WO2008009167A1 - Cuniform extruding mold, supporting body and pattern die - Google Patents
Cuniform extruding mold, supporting body and pattern die Download PDFInfo
- Publication number
- WO2008009167A1 WO2008009167A1 PCT/CN2006/001617 CN2006001617W WO2008009167A1 WO 2008009167 A1 WO2008009167 A1 WO 2008009167A1 CN 2006001617 W CN2006001617 W CN 2006001617W WO 2008009167 A1 WO2008009167 A1 WO 2008009167A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sleeve
- molding
- hole
- forming
- support body
- Prior art date
Links
- 238000000465 moulding Methods 0.000 claims abstract description 211
- 238000001125 extrusion Methods 0.000 claims description 110
- 239000000463 material Substances 0.000 claims description 83
- 239000002028 Biomass Substances 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 24
- 238000005495 investment casting Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 26
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 239000012620 biological material Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 239000008188 pellet Substances 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000006049 herbal material Substances 0.000 description 1
- 235000008216 herbs Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0059—Degradable
- B29K2995/006—Bio-degradable, e.g. bioabsorbable, bioresorbable or bioerodible
Definitions
- the present invention relates to a molding apparatus for a loosely reproducible bio-shield material, and specifically includes a molding die and a support body and a molding sleeve for molding the mold .
- the present invention can form a loose biomass material without using any chemical binder, and can be used as a feed or a combustible material.
- renewable biomass materials such as crop straws, herbs, shrubs, or solid wastes produced in wood processing, are an inexhaustible resource. The most traditional use of this resource is as a burning material and feed. Due to the large size, inconvenient transportation and other defects, the original use of biomass materials has long been abandoned.
- biomass material ⁇ crushing ⁇ drying ⁇ extrusion molding the process of solidification molding of commonly used biomass materials is: biomass material ⁇ crushing ⁇ drying ⁇ extrusion molding, and this method of solidification molding is first applied to the processing of feed.
- extrusion molding is the core of the curing technology.
- the first extrusion molding machine used was a screw extruder, but it has been proved that the screw extrusion processing has low production efficiency, the production cost is relatively high, and the wear of the screw extruder is also quite serious. It is difficult to apply to the solidification molding process of a large number of biomass materials.
- the most commonly used particle extrusion molding machine comprises a ring die, and a die hole is distributed on the annular wall of the ring die.
- the rotation of the pressure roller adjacent thereto is driven, when the material enters the ring die.
- the ring mold rotates into the die hole of the ring die, it is extruded from the other end of the die hole under the pressing of the press roll.
- Most of these pellet forming machines are used for the processing of feeds, and because of the plurality of die holes, the processing efficiency is greatly improved.
- Another commonly used particle forming machine includes a flat plate template on which a die hole is distributed, and a press roller is arranged on the die plate.
- the press roller is rotated to rotate when the material enters.
- the pressure roller and the die plate are pressed into the die hole by the pressing roller, and are extruded from the other end of the die hole as the pressing roller is continuously pressed.
- the above two kinds of particle forming machines adopt the same extrusion method, that is, a wedge-shaped space is formed between the two pressing surfaces, and the wedge-shaped space is continuously reduced due to the relative movement of the two pressing faces, and the wedge-shaped pressing space is continuously reduced.
- the material inside is continuously squeezed into the die hole in the mold and extruded from the other end of the die hole.
- the method in which the inventors completely differ from the extrusion and the spiral extrusion is temporarily defined as a wedge extrusion method.
- This wedge extrusion method was first applied to the processing of pellet feed.
- the raw material of the grain feed is usually some herbal materials, such as soft biomass materials such as grass and straw.
- the molding cavity is integrally formed on the mold body, when the cavity is worn, the entire mold will be scrapped, and a new mold must be replaced. Therefore, the cost of the molding die is high, and at the same time, the biomass material cannot be lowered. Processing costs.
- the die hole of the die has the same cross-sectional shape as the formed pellet, and the depth of the die hole is 40 mm or more, and the depth of the formed hole is usually 60 to 120 mm, and the material passes through the length.
- the pressing force is not transmitted to the forming hole.
- the force conduction is greater than 10 mm. , and then continue to exert force on the density of its molding is not very good.
- Such a long shaped hole in the prior art does not compress the material as much as is thought, and the molding density of the material in the shaped hole does not change much.
- the long forming hole requires a large pressing force to extrude the material, and in the process of continuing the extrusion, it is often necessary to overcome the great friction between the hole wall and the material, which is the existing particle.
- An object of the present invention is to provide a wedge-shaped extrusion molding die for a loose biomass moldable material, a support body thereof and a molding sleeve, which can effectively reduce the manufacturing cost and the use cost of the mold, thereby reducing the solidification molding of the biomass material. Manufacturing costs.
- the object of the present invention is achieved by a wedge extrusion molding die for molding a loose biomass material, the molding die comprising a mold body, a molding cavity distributed on the mold body, the mold The body is formed by a support body having a through hole. The molding cavity is respectively formed on the molding sleeve, and the molding sleeve is embedded in the through hole of the support body.
- a support body for a wedge-shaped extrusion molding die wherein the support body is provided with at least one pressing surface, and a through hole of the support body is disposed on the pressing surface of the support body.
- the molding sleeve is provided on the support body, the molding cavity is formed on the molding sleeve, and when the molding cavity cannot be used due to wear, the molding cavity can be arranged from the support body. After being disassembled, the new molding cavity sleeve is replaced, the entire mold is discarded, and the support body can be reused, thereby greatly reducing the use cost of the molding die. Further, the molded sleeve of the present invention can also be processed by a method of precision casting and integral molding, which can greatly reduce the manufacturing cost of the mold and improve the processing precision of the mold.
- the casing with the cavity in the invention may also be composed of a smooth wear-resistant material such as ceramic, Simply reducing its manufacturing costs can also greatly reduce the energy consumption during extrusion.
- the molding cavity is composed only of a shrinking extrusion cavity having a depth of not more than 10 mm, and the extrusion distance of the material forming is greatly shortened, thereby maximizing The ground reduces its energy consumption in extrusion.
- the molding cavity of the molding die of the invention is composed of a circular molding die and a reaming groove which are parallel to two axes, so that the structure is simple and the processing is convenient, and the processing of the molding cavity can be avoided by using the special-shaped processing method. , can reduce the manufacturing cost of the molding die.
- the extrusion molding die of the present invention can be applied to feed processing as well as to biomass combustion materials.
- the cavity can be composed of only one extrusion chamber that is contracted, or a small molding section is connected at the outlet end of the molding to minimize the energy consumption required, and also greatly The wear of the mold is reduced, thereby reducing the cost of using the mold.
- the structure in which the support body and the molding sleeve are separated is used, and even if the molding cavity on the casing is damaged by wear, only some of the casings are replaced, and the entire mold is discarded.
- the molding die of the present invention can omit the molding section or compress the molding section to a minimum, the sheet material is laminated into the extrusion cavity of the mold and then extruded, and then directly extruded through the molding outlet, thereby The length of the material passing through the forming mold is greatly reduced, so as to adapt to the small force transmission distance of the loose biomass material, and the extrusion of the material in the forming mold is reduced under the premise of ensuring the molding quality. Friction length and time, therefore, can greatly reduce the extrusion resistance of the material, only need a small positive pressure to press out the material, thereby reducing the energy consumption of the material through the molding cavity, P competes for low bio-shield material products Processing costs.
- FIG. 1 is a schematic view showing the structure of a molding die of the present invention.
- Figure 2 is a schematic view showing the structure of another molding die of the present invention.
- Fig. 3 is a schematic exploded view showing another molding die of the present invention.
- Figure 4 - Figure 7 A partially enlarged view of Figure 1.
- Fig. 8 is a schematic view showing the structure in which the molded sleeve is embedded in the outer side of the ring mold.
- Figure 9 and Figure 10 are schematic views of the flat mold structure of the present invention.
- 11 to FIG. 16 are schematic structural views of a partially formed cavity in the present invention.
- FIG. 17 to FIG. 20 are partial structural views showing the molding sleeve embedded in the support body according to the present invention.
- FIGS. 21 to 26 are schematic views showing a partial positioning manner of the molding sleeve and the support body in the present invention.
- Figure 27 - Figure 30 is a schematic view showing the structure of another molding cavity in the present invention.
- the molding die includes a mold body 1 , and a molding cavity 2 is distributed on the mold body 1 .
- the molding cavity 2 is respectively formed on a molding sleeve 3, and the mold body 1 is composed of a support body 10 having a through hole 11; the molding sleeve 3 is embedded and fixed to the support body. 10 inside the through hole 11.
- the molding sleeve 3 is disposed on the support body 10 of the mold body 1, and the molding cavity 2 is disposed on the molding sleeve 3, and when the molding cavity 2 is worn and can no longer be used, The molding sleeve 3 can be removed from the through hole 11 of the support body 10, and the new molding sleeve 3 can be replaced in the through hole 11 to continue the use, so that the mold support body 10 can be reused, and the extrusion molding die can be improved. The life, thereby reducing the cost of the overall forming mold and the cost of extrusion processing.
- the support body 10 of the wedge-shaped extrusion molding die of the present invention comprises at least one pressing surface on which the through holes 11 into which the molded sleeve 3 can be inserted are distributed.
- the support body 10 is annular, and the molding sleeve 3 is embedded in the through hole 11 of the support body 10 to form a ring mold;
- the inner wall surface of the annular support body 10 is embedded in the through hole 11 (as shown in FIGS. 1, 4 to 7), and the inner wall surface constitutes the pressing surface; of course, the molded sleeve 3 may also be from the annular support body 10.
- the outer wall surface is embedded in the through hole 11 (as shown in Fig. 8), and the outer wall surface constitutes the pressing surface.
- the support body 10 may also have a flat shape.
- the molded sleeve 3 is embedded in the through hole 11 of the support body 10 to form a flat template, and the surface of the molded sleeve 3 is a pressing surface.
- the molding sleeve 3 of the present invention is a member that can be assembled with the through hole 11 of the support body 10.
- the molding sleeve 3 is formed with a molding cavity 2, which is formed.
- the shape of the molded sleeve 3 corresponds to the shape of the through hole 11 of the support body 10.
- the molded sleeve 3 can be a cylinder (shown in FIGS. 1, 17, and 18), and the molded sleeve 3 is fixedly embedded.
- the forming sleeve 3 may also be a frustum body having a self-locking angle (as shown in FIGS. 2 and 3), and the forming sleeve 3 The self-locking is formed by embedding into the corresponding through hole 11.
- the support body 10 and the molding sleeve 3 of the wedge-shaped extrusion molding die of the present invention are separately processed and assembled to constitute the wedge-shaped extrusion molding die, the separate processing of each component is relatively easy, and the components can be improved.
- the molding sleeve 3 is embedded and fixed in the through hole 11 of the support body 10. Therefore, the wedge extrusion molding die of the present invention is simple and convenient to assemble.
- the molding sleeve 3 of the present invention can be processed by a precision casting method; the molding cavity 2 on the molding sleeve 3 can also be integrally molded with the molding sleeve 3 by a precision casting method to reduce the manufacturing of the molding die. cost.
- the molded sleeve 3 of the present invention can be made of a ceramic material in addition to a commonly used mold material support.
- the present invention can not only improve the service life of the entire extrusion die, but also reduce the manufacturing cost and the use cost of the mold, and can make the processing of the mold simple and convenient, and the assembly thereof is also very easy.
- Example 2
- the structure and principle of the embodiment are basically the same as those of the embodiment 1.
- the molding cavity 2 of the molding sleeve 3 can be used.
- the molding cavity 2 which is usually used, as shown in Figs. 29 and 30, is constituted by a through hole 25 which is provided with a chamfer 26 at the inlet end of the through hole 25.
- the molding cavity 2 may be constituted by a pressing chamber 20 which is contracted.
- the inventors have conducted a large number of tests to prove that the material can reach a sufficient material forming density in the shrinking extrusion cavity 20 having a depth of not more than 10 mm, and is directly extruded from the molding outlet 22 to obtain a desired shape. From the forming outlet 22 006 001617 is no longer has any friction between the extrusion cavity and the molding cavity 2, minimizing the energy consumption required, and greatly reducing the wear of the mold, thereby increasing the cost of the mold.
- the wedge extrusion molding die of the present invention can be applied to the processing of biomass burning materials. Since the molding materials used for molding the combustion materials are hard, before the molding materials enter the molding cavity, First, a shearing force is applied in a wedge-shaped extrusion cavity. Under the shearing force, the granular material in the wedge-shaped extrusion cavity is crushed and stretched into a sheet shape, and the volume of the wedge-shaped extrusion cavity is constant. The sheet material is laminated into the molding cavity of the molding die; in order to further material which has been milled and stretched into a sheet shape in the wedge extrusion chamber, it is further formed in the molding cavity of the molding die.
- the molding cavity 2 of the molding die is designed such that the molding outlet 22 is offsetly disposed in the extrusion cavity having a tapered cross section.
- the side of the bottom portion of the bottom portion 20 forms a long smooth slope between the material inlet end 21 and the forming outlet 22.
- the depth b of the extrusion chamber 20 whose cross-section is tapered is less than or equal to 10 mm.
- the inlet end 21 on the side corresponding to the forming outlet 22 is extruded into the squeezing cavity 20 which is tapered in cross section, and then extruded from the forming outlet 22 to give the molded product a specific structural model.
- the forming section of the present invention omits the forming section, and the forming sleeve 3
- the thickness can be equal to the depth of the tapered extrusion chamber 20, and after the material enters the extrusion cavity 20 of the mold, it is directly extruded through the molding outlet 22, thereby greatly reducing the length of the material passing through the molding die.
- the cross-sectional shape of the tapered extrusion cavity 20 of the molding cavity 2 disposed on the molding sleeve 3 is The circular shape, the forming outlet 22 is also circular, and the axis 221 of the forming outlet 22 is parallel and spaced apart from the axis 201 of the section of the extrusion chamber 20, the spacing a of which is less than or equal to the radius of the circular forming outlet 22.
- the above structural design is advantageous for the forming cavity 2 to be processed by machining.
- a through hole can be vertically processed on the forming sleeve 3 by using a milling cutter (or other cutting tool).
- a hole is formed to form the tapered extrusion chamber 20. Since the molding cavity 2 of the present invention is processed without using a special-shaped machining method, it can be completed only by milling or drilling and with the control axis offset, thereby simplifying the processing of the molding cavity 2 and facilitating the processing. Therefore, the processing cost of the mold can be greatly reduced.
- the extrusion cavity 20 is tapered to the side edge. Tangent to the edge of the molding die 22, that is, the side constitutes a vertical side wall 222, in such a manner that the material entering the molding cavity 2 is pressed inward by the resistance of the vertical side wall 222 inwardly. The material does not overflow from the side, and the extrusion process is better.
- one side of the tapered extrusion chamber 20 may also be located outside or within the edge of the molding die 22 to constitute the molding cavity 2, in such a manner as to be the same as described above. Effect.
- the tapered extrusion cavity 20 may have a rectangular, elliptical or other asymmetrical shape, and the shape of the forming outlet 22 may be the same as or different from the shape of the tapered extrusion cavity 20.
- the tapered extrusion cavity 20 of the molding cavity 2 has an irregular shape, and the shape of the molding outlet 22 is also an irregular shape.
- the molding cavity 2 of the above shapes, Both the casting method and the forming of the forming sleeve can be carried out.
- the height of the formed sleeve 3 with the molding cavity 2 is equal to the depth of the pressing cavity 20, and the corresponding mold body 1 is provided with a stepped hole. 11 , the forming sleeve 3 is embedded in the large hole section of the stepped hole 11; the upper surface of the forming sleeve 3 is flush with the upper surface of the support body 10 of the mold body 1 or slightly higher than the upper surface of the supporting body 10 (not shown) Show). Said The molded sleeve 3 of 01617 is evenly arranged on the support 10 of the mold body 1.
- the molded sleeve 3 when the molded sleeve 3 is a frustum body, its small end is embedded in the through hole 11 of the support body 10, and the upper surface of the molded sleeve 3 is flush or slightly higher than the upper surface of the support body 10.
- the molding cavity 2 is designed such that the molding outlet 21 is offsetly disposed on the side of the bottom portion of the extrusion chamber 20 whose cross-section is tapered, a ratio is formed between the material inlet end 21 and the molding outlet 22.
- the material On the long smooth slope, the material has to be extruded from the side of the smooth slope into the molding cavity 2 and then extruded from the forming outlet 22, so that the side with the smooth slope constitutes the material introduction side.
- the forming sleeve 3 is embedded on the support body 10 of the mold body 1.
- the support body 10 (such as the ring mold) has a certain rotation direction, and the material in the rotating ring mold is accurately introduced from the introduction side into the molding cavity. 2.
- the mold body 1 is provided with a positioning structure corresponding to the outer circumference of the molding sleeve 3, and the molding sleeve 3 is directionally embedded in the mold body 1.
- the outer peripheral surface of the forming sleeve 3 may be provided with a convex flange 31.
- the inner wall of the through hole 11 of the mold body 1 is provided with a corresponding concave groove 12, and the forming sleeve is formed.
- the flange 31 of the 3 is inserted along the recessed groove 12 in the body 1 to define the mounting position of the molded sleeve 3.
- the outer peripheral surface of the forming sleeve 1 may be provided with a recessed groove 32, and the inner wall of the through hole 11 on the mold body 1 is provided corresponding thereto.
- the flange 13 of the molded sleeve 3 is inserted along the flange 13 of the body 1 to define the mounting position of the molded sleeve 3.
- the material enters the molding cavity 2 from the introduction side, is extruded along the smooth slope toward the forming outlet 22, and is formed into a desired shape product through the forming outlet 22.
- Example 5
- the molding sleeve 3 is composed of two stepped cylinders 33 and 34 which are offset by two axes, and the mold body 1 is provided with a stepped through hole (not shown) corresponding to the molding preparation body 3, thereby forming a molding sleeve.
- the body 3 is directionally embedded in the through hole in the mold body 1 to form a positioning.
- forming the formed sleeve 3 into a non-rotating body such as a prism, an elliptical cylinder or other asymmetric polygonal cylinder
- the shape of the molded sleeve 3 corresponds to the positioning structure (not shown).
- the forming sleeve 3 can be divided into two sections, at least one of which is formed into a non-rotating body (as shown in FIGS.
- the mold body 1 is provided with a section of through holes 11 corresponding to the forming sleeve 3 (non-rotating)
- the molding sleeve 3 is embedded in the hole of the section to define the mounting position of the molding sleeve 3.
- This embodiment is the same as the structure and principle of the first embodiment, and the difference is that, as shown in FIGS. 6, 7, 8, 9, and 19, a flange 34 is disposed at the front end of the formed sleeve 3, and the formed sleeve 3 is evenly distributed. On the mold body 1, the flange 34 of the molded sleeve 3 is densely attached to the surface of the mold body.
- the pressing surface of the die body 1 (the surface in contact with the material) is often easily worn.
- the structure of the embodiment can overcome this drawback. During the forming and pressing process, the surface of the mold body 1 is protected by the flange 34, and the surface of the mold body 1 (i.e., the support body 10) is prevented from being worn to improve the mold. Overall service life.
- This embodiment is basically the same as the foregoing embodiments, except that, as shown in FIG. 14, the end of the forming outlet 22 is provided with an enlarged section 23, and the enlarged area of the enlarged section 23 is larger than the area of the forming outlet 22.
- the enlarged section 23 may be a cylindrical enlarged section or a divergent enlarged section (illustrated as a tapered enlarged section).
- a small section 24 may be formed at the end of the forming outlet 22 according to the actual extrusion molding, and the enlarged section 23 may be provided at the rear of the forming section 24.
- each of the forming sleeves 3 is provided with a molding cavity 2.
- two or more molding cavities 2 may be provided on the molding sleeve 3 in accordance with the actual needs of the extrusion molding process.
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- Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
A cuniform extruding mold for forming of loosed biomaterial includes a mold body, a molding cavity is provided on the mold body. The said mold body consists of a supporting body on which a hole is provided. The said molding cavity is formed in the pattern die, and the pattern die is inserted and secured in the hole of the supporting body. Compared with prior art, the extruding mold of the present invention can reduce the making cost and use-cost of the mold, and energy consumption for processing the mold.
Description
楔形挤压成型模具及其支撑体和成型套体 技术领域 本发明有关一种呈松散状可再生的生物盾材料的成型装置, 具体包括有 成型模具以及用于成型模具的支撑体和成型套体。 本发明可以不依赖任何化 学粘合剂的条件下将松散状的生物质材料成型,作为饲料或可燃烧材料使用。 背景技术 众所周知, 可再生的生物质材料, 如农作物秸杆、 草本植物、 灌木、 或 者木材加工中所产生的固体废弃物等, 是一种取之不尽的资源。 而这种资源 最传统的利用是作为燃烧材料和饲料。 由于体积大、 运输存储不便等缺陷, 生物质材料的原始使用方式早已被人们所摈弃。 为解决生物质材料的上述缺 陷, 利用现代加工技术, 人们将生物质材料成型为颗粒状, 从而解决了其体 积大、 运输存储不便的问题。 为解决上述缺陷, 人们发明了将生物质材料粉 碎后再固化成颗粒状的加工方法, 大大地减少了生物质材料的体积。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding apparatus for a loosely reproducible bio-shield material, and specifically includes a molding die and a support body and a molding sleeve for molding the mold . The present invention can form a loose biomass material without using any chemical binder, and can be used as a feed or a combustible material. BACKGROUND OF THE INVENTION It is well known that renewable biomass materials, such as crop straws, herbs, shrubs, or solid wastes produced in wood processing, are an inexhaustible resource. The most traditional use of this resource is as a burning material and feed. Due to the large size, inconvenient transportation and other defects, the original use of biomass materials has long been abandoned. In order to solve the above defects of biomass materials, the use of modern processing technology, people to form biomass materials into particles, thereby solving the problem of large volume and inconvenient transportation and storage. In order to solve the above drawbacks, a processing method in which biomass material is pulverized and then solidified into pellets has been invented, and the volume of the biomass material is greatly reduced.
目前常用的生物质材料的固化成型的工艺过程是, 生物质材料→粉碎→ 烘干→挤压成型 包装, 这种固化成型的方法最先被应用于饲料的加工。 At present, the process of solidification molding of commonly used biomass materials is: biomass material → crushing → drying → extrusion molding, and this method of solidification molding is first applied to the processing of feed.
上述常用的成型工艺方法中, 挤压成型是固化技术的核心。 最先采用的 挤压成型机是一种螺旋挤压机, 但实践证明, 螺旋挤压加工生产效率低, 制 作成本相当高, 并且螺旋挤压机的摩损也相当严重。 很难适用于大量的生物 质材料的固化成型加工。 Among the above-mentioned conventional molding processes, extrusion molding is the core of the curing technology. The first extrusion molding machine used was a screw extruder, but it has been proved that the screw extrusion processing has low production efficiency, the production cost is relatively high, and the wear of the screw extruder is also quite serious. It is difficult to apply to the solidification molding process of a large number of biomass materials.
现在最常使用的颗粒挤压成型机, 包括有一环模, 在环模的环型壁上分 布有模孔, 当环模转动时, 带动与其紧邻的压辊的转动, 当物料进入环模内 后, 随着环模的转动进入环模的模孔内,在压辊的紧压下从模孔的另一端挤出 成型。 这种颗粒成型机大多数被应用于饲料的加工, 由于具有多个模孔, 大 大地提高了加工效率。 Nowadays, the most commonly used particle extrusion molding machine comprises a ring die, and a die hole is distributed on the annular wall of the ring die. When the ring die rotates, the rotation of the pressure roller adjacent thereto is driven, when the material enters the ring die. Thereafter, as the ring mold rotates into the die hole of the ring die, it is extruded from the other end of the die hole under the pressing of the press roll. Most of these pellet forming machines are used for the processing of feeds, and because of the plurality of die holes, the processing efficiency is greatly improved.
另一种较常使用的颗粒成型机, 包括有一个平板状模板, 在该模板上分 布有模孔, 在模板上设有压辊, 当模板转动时, 带动压辊转动, 当物料进入
压辊与模板之间被压辊紧压入模孔内, 并随着压辊的不断挤压从模孔的另一 端挤出成型。 Another commonly used particle forming machine includes a flat plate template on which a die hole is distributed, and a press roller is arranged on the die plate. When the template is rotated, the press roller is rotated to rotate when the material enters. The pressure roller and the die plate are pressed into the die hole by the pressing roller, and are extruded from the other end of the die hole as the pressing roller is continuously pressed.
上述两种颗粒成型机采用相同的挤压方法, 即在两个挤压表面间形成有 一个呈楔形的空间, 由于两挤压面的相对运动, 该楔形空间不断減小, 该楔 形挤压空间内的物料在不断地被挤压入模具上的模孔内 , 从模孔的另一端被 挤出。 本发明人对这种挤压与螺旋挤压完全不相同的方法暂且定义为楔形挤 压方法。 这种楔形挤压方法最先被应用于颗粒饲料的加工。 一般情况下, 颗 粒饲料的原料通常为一些草本材料, 如草、 秸杆等较软的生物质材料。 The above two kinds of particle forming machines adopt the same extrusion method, that is, a wedge-shaped space is formed between the two pressing surfaces, and the wedge-shaped space is continuously reduced due to the relative movement of the two pressing faces, and the wedge-shaped pressing space is continuously reduced. The material inside is continuously squeezed into the die hole in the mold and extruded from the other end of the die hole. The method in which the inventors completely differ from the extrusion and the spiral extrusion is temporarily defined as a wedge extrusion method. This wedge extrusion method was first applied to the processing of pellet feed. In general, the raw material of the grain feed is usually some herbal materials, such as soft biomass materials such as grass and straw.
随着生物质燃烧材料利用的开发, 人们将这种楔形挤压的方法应用于燃 烧材料的加工。 但是由于燃烧材料的原料除草本材料外, 更多地是一些较硬 的木本生物质材料, 如灌木、 木屑等。 相对于这些较硬的生物盾原料, 对挤 压成型机的成型模腔的磨损非常严重。 由于现有平模或环模的成型模腔是均 匀分布在举具本体上, 因此, 当个别模腔或部分模腔被磨损而不能正常工作 时, 将影响整个模具的受力情况, 加速整体模具的磨损, 使整体模具的成型 效率降低甚至使其不能正常工作。 由于所述成型模腔是一体成型在模具本体 上的, 当模腔磨损后整个模具将报废, 必须更换新的模具, 因此, 使成型模 具的成本较高, 同时, ^无法降低生物质材料的加工成本。 With the development of biomass combustion material utilization, this wedge extrusion method has been applied to the processing of combustion materials. However, because the raw materials of the burning materials are more than the herb materials, they are more hard woody biomass materials, such as shrubs and sawdust. Relative to these harder bioshield materials, the wear of the molding cavity of the extrusion molding machine is very serious. Since the molding cavity of the existing flat die or ring die is evenly distributed on the fixture body, when the individual cavity or part of the cavity is worn and cannot work normally, the force of the entire die will be affected, and the overall acceleration is accelerated. The wear of the mold reduces the molding efficiency of the overall mold and even prevents it from working properly. Since the molding cavity is integrally formed on the mold body, when the cavity is worn, the entire mold will be scrapped, and a new mold must be replaced. Therefore, the cost of the molding die is high, and at the same time, the biomass material cannot be lowered. Processing costs.
另一方面, 在前述传统的加工方法中, 人们普遍认为在挤压成型过程中, 物料被挤压的距离越长, 其成型的密度越大, 越容易使其成型。 因此, 在该 些颗粒成型机中, 模具的模孔与成型后的颗粒的截面形状相同, 并且模孔的 深度为 40mm以上, 通常成型孔的深度长达 60 ~ 120mm, 物料要穿过这个长 度, 但是在挤压过程中, 挤压力并不能传导至成型孔内。 本申请人经过近十 年的研究和试验证明, 生物质材料的力传导距离非常短, 通常要小于 10 mm, 为 3 ~ 5 mm, 因此, 在其成型的过程中, 力传导大于 10 mm后, 再继续施力 对其成型的密度影响不太。 现有技术中如此之长的成型孔并不能如人们想象 的那样对物料进一步压缩, 在该段成型孔内物料的成型密度并没有发生多大 的变化。 但是较长的成型孔, 需要较大的挤压力才能将物料挤出, 而在继续 挤压的过程中往往需要克服孔壁与物料之间极大的摩擦力, 这正是现有的颗 粒成型机的模具磨损快、 寿命低的主要原因之一; 同时也是现有成型机所需 能耗大的主要原因。
006 001617 综上所述, 现有利用楔形挤压方法所有颗粒成型机都无法解决模具的磨 损的问题, 并使得生物质材料的固化加工成本因此而被大大地提升了。 发明内容 本发明的目的在于提供一种松散状生物质可成型材料的楔形挤压成型模 具及其支撑体和成型套体, 有效地降低模具的制造成本和使用成本, 从而降 低生物质材料固化成型的制造成本。 On the other hand, in the aforementioned conventional processing method, it is generally considered that the longer the distance at which the material is extruded during the extrusion molding process, the greater the density of the molding, and the easier it is to form. Therefore, in the pellet forming machines, the die hole of the die has the same cross-sectional shape as the formed pellet, and the depth of the die hole is 40 mm or more, and the depth of the formed hole is usually 60 to 120 mm, and the material passes through the length. However, during the extrusion process, the pressing force is not transmitted to the forming hole. After nearly ten years of research and experiments, the applicant has demonstrated that the force transmission distance of biomass materials is very short, usually less than 10 mm, which is 3 ~ 5 mm. Therefore, during the forming process, the force conduction is greater than 10 mm. , and then continue to exert force on the density of its molding is not very good. Such a long shaped hole in the prior art does not compress the material as much as is thought, and the molding density of the material in the shaped hole does not change much. However, the long forming hole requires a large pressing force to extrude the material, and in the process of continuing the extrusion, it is often necessary to overcome the great friction between the hole wall and the material, which is the existing particle. One of the main reasons for the rapid wear and low life of the mold of the molding machine; it is also the main reason for the large energy consumption of the existing molding machine. 006 001617 In summary, all the existing particle forming machines using the wedge extrusion method cannot solve the problem of the wear of the mold, and the curing processing cost of the biomass material is greatly improved. SUMMARY OF THE INVENTION An object of the present invention is to provide a wedge-shaped extrusion molding die for a loose biomass moldable material, a support body thereof and a molding sleeve, which can effectively reduce the manufacturing cost and the use cost of the mold, thereby reducing the solidification molding of the biomass material. Manufacturing costs.
本发明的目的还在于提供一种松散状生物质可成型材料的楔形挤压成型 模具及其支撑体和成型套体, 以降低生物质材料固化成型的能耗。 It is also an object of the present invention to provide a wedge-shaped extrusion molding die for a loose biomass moldable material, a support body thereof and a molding sleeve to reduce the energy consumption of solidification molding of the biomass material.
本发明的目的还在于提供一种松散状生物质可成型材料的楔形挤压成型 模具及其支撑体和成型套体, 改进生物质成型颗粒的力学特性, 使得成型后 的颗粒具有极好的连接强度和耐潮湿性, 使之在作为燃烧材料时便于存储, 降低其存储成本。 It is also an object of the present invention to provide a wedge-shaped extrusion molding die for a loose biomass moldable material, a support body thereof and a molding sleeve, which improve the mechanical properties of the biomass-forming particles, so that the formed particles have excellent connections. Strength and moisture resistance make it easy to store when used as a burning material, reducing its storage costs.
本发明的目的是这样实现的, 一种楔形挤压成型模具, 用于松散状生物 质材料的成型, 所述的成型模具包括一模具本体, 模具本体上分布有成型模 腔, 所述的模具本体由一个分布有通孔的支撑体构成; 所述的成型模腔分别 成型于成型套体上, 成型套体嵌入固定于支撑体的通孔内。 The object of the present invention is achieved by a wedge extrusion molding die for molding a loose biomass material, the molding die comprising a mold body, a molding cavity distributed on the mold body, the mold The body is formed by a support body having a through hole. The molding cavity is respectively formed on the molding sleeve, and the molding sleeve is embedded in the through hole of the support body.
一种用于楔形挤压成型模具的支撑体,该支撑体上至少设有一个挤压面, 所述的支撑体的挤压面上分布有可嵌入成型套体的通孔。 A support body for a wedge-shaped extrusion molding die, wherein the support body is provided with at least one pressing surface, and a through hole of the support body is disposed on the pressing surface of the support body.
一种用于楔形挤压成型模具及其支撑体的成型套体, 所述的成型套体上 至少设有一个成型模腔; 成型套体形状与支撑体通孔的形状对应 , 并嵌入于 支撑体的通孔内固定。 A molding sleeve for a wedge-shaped extrusion molding die and a support body thereof, wherein the molding sleeve body is provided with at least one molding cavity; the shape of the molding sleeve corresponds to the shape of the through hole of the support body, and is embedded in the support The through hole of the body is fixed inside.
本发明的成型模具, 由于在支撑体上设置有成型套体, 成型模腔成型于 成型套体上, 当成型模腔因磨损而无法使用时, 可将该成型模腔套体从支撑 体上拆卸掉, 再更换新的成型模腔套体, 避免将整个模具报废, 使支撑体可 重复使用, 因此, 大大地降低了成型模具的使用成本。 另外, 本发明中的成 型套体还可以采用精铸一体成型的方法加工, 可以大大地降低模具的制造成 本, 并提高模具的加工精度。 In the molding die of the present invention, since the molding sleeve is provided on the support body, the molding cavity is formed on the molding sleeve, and when the molding cavity cannot be used due to wear, the molding cavity can be arranged from the support body. After being disassembled, the new molding cavity sleeve is replaced, the entire mold is discarded, and the support body can be reused, thereby greatly reducing the use cost of the molding die. Further, the molded sleeve of the present invention can also be processed by a method of precision casting and integral molding, which can greatly reduce the manufacturing cost of the mold and improve the processing precision of the mold.
本发明中带有模腔的套体还可以由陶瓷等光滑的耐磨损的材料构成, 不
仅降低其制造成本, 还可以大大地降低其挤压过程中的能耗。 The casing with the cavity in the invention may also be composed of a smooth wear-resistant material such as ceramic, Simply reducing its manufacturing costs can also greatly reduce the energy consumption during extrusion.
在本发明中, 依据生物质材料力传导距离短的特点, 其成型模腔仅由一 个深度不大于 10 mm收缩状挤压腔构成, 物料成型的挤压距离被大大地缩短 了, 从而最大限度地降低了其在挤压成型的能耗。 In the present invention, according to the short force transmission distance of the biomass material, the molding cavity is composed only of a shrinking extrusion cavity having a depth of not more than 10 mm, and the extrusion distance of the material forming is greatly shortened, thereby maximizing The ground reduces its energy consumption in extrusion.
本发明的成型模具的成型模腔是由两轴线平行的一圆形成型模口及一扩 孔槽构成, 使其结构简单、 加工方便, 可避免采用异型加工方式进行成型模 腔的加工, 因此, 可降低成型模具的制造成本。 The molding cavity of the molding die of the invention is composed of a circular molding die and a reaming groove which are parallel to two axes, so that the structure is simple and the processing is convenient, and the processing of the molding cavity can be avoided by using the special-shaped processing method. , can reduce the manufacturing cost of the molding die.
本发明的挤压成型模具可以应用于饲料加工, 也可以应用于生物质燃烧 材料的加工。 在进行飼料加工时, 模腔可以仅由一个收呈收缩状的挤压腔构 成, 或者在成型出口端连接有很小的成型段, 最大限度地降低其所需的能耗, 同时也大大地降低了模具的磨损, 从而降低模具的使用成本。 另外, 在本发 明中采用支撑体与成型套体分离的结构, 即使套体上的成型模腔因磨损而损 坏, 也仅仅更换其中一些套体, 避免模具整体的报废。 The extrusion molding die of the present invention can be applied to feed processing as well as to biomass combustion materials. In the processing of feed, the cavity can be composed of only one extrusion chamber that is contracted, or a small molding section is connected at the outlet end of the molding to minimize the energy consumption required, and also greatly The wear of the mold is reduced, thereby reducing the cost of using the mold. Further, in the present invention, the structure in which the support body and the molding sleeve are separated is used, and even if the molding cavity on the casing is damaged by wear, only some of the casings are replaced, and the entire mold is discarded.
进一步, 由于本发明的成型模具上可以省略成型段, 或者将成型段压缩 至最小, 呈片状物料层叠状进入模具的挤压腔后继续挤压后, 直接通过成型 出口成型挤出, 从而极大减小了物料在成型模具中通过的长度, 使其与松散 状生物质材料力传导距离较小的特点相适应, 在保证成型质量的前提下, 减 小了物料在成型模具中的挤压摩擦长度和时间, 因此, 可大大降低物料的挤 出阻力, 只需要较小的正压力即可将物料压出成型, 从而减小物料通过成型 模腔的能耗, P争低生物盾材料制品的加工成本。 实验证明, 利用本发明的成 型模具成型制品的能耗比采用传统的成型模具的能耗减小 20 %以上。 附图说明 图 1 : 本发明成型模具的结构示意图。 Further, since the molding die of the present invention can omit the molding section or compress the molding section to a minimum, the sheet material is laminated into the extrusion cavity of the mold and then extruded, and then directly extruded through the molding outlet, thereby The length of the material passing through the forming mold is greatly reduced, so as to adapt to the small force transmission distance of the loose biomass material, and the extrusion of the material in the forming mold is reduced under the premise of ensuring the molding quality. Friction length and time, therefore, can greatly reduce the extrusion resistance of the material, only need a small positive pressure to press out the material, thereby reducing the energy consumption of the material through the molding cavity, P competes for low bio-shield material products Processing costs. Experiments have shown that the energy consumption of the molded product using the molding die of the present invention is reduced by more than 20% compared with the consumption of the conventional molding die. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a molding die of the present invention.
图 2: 本发明另一种成型模具的结构示意图。 Figure 2 is a schematic view showing the structure of another molding die of the present invention.
图 3: 本发明另一种成型模具的结构分解示意图。 Fig. 3 is a schematic exploded view showing another molding die of the present invention.
图 4-图 7: 图 1中局部放大示意图。 Figure 4 - Figure 7: A partially enlarged view of Figure 1.
图 8·. 本发明中成型套体由环模外侧嵌入的结构示意图。 Fig. 8 is a schematic view showing the structure in which the molded sleeve is embedded in the outer side of the ring mold.
图 9、 图 10: 本发明中平模结构的示意图。
图 11-图 16: 为本发明中部分成型模腔的结构示意图。 Figure 9 and Figure 10 are schematic views of the flat mold structure of the present invention. 11 to FIG. 16: are schematic structural views of a partially formed cavity in the present invention.
图 17-图 20: 为本发明中成型套体嵌入支撑体的部分结构示意图。 17 to FIG. 20 are partial structural views showing the molding sleeve embedded in the support body according to the present invention.
图 21-图 26: 为本发明中成型套体与支撑体的部分定位方式示意图。 图 27-图 30: 为本发明中另一种成型模腔的结构示意图。 21 to 26 are schematic views showing a partial positioning manner of the molding sleeve and the support body in the present invention. Figure 27 - Figure 30 is a schematic view showing the structure of another molding cavity in the present invention.
图 31、 32: 为本发明中再一种成型模腔的结构示意图。 具体实施方式 实施例 1 31, 32: is a schematic structural view of another molding cavity in the present invention. DETAILED DESCRIPTION OF THE INVENTION Example 1
如图 1〜图 10所示, 为本发明的一种松散状生物质可成型材料的楔形挤 压成型模具, 所述成型模具包括一模具本体 1 , 模具本体 1上分布有成型模 腔 2, 如图所示, 所述的成型模腔 2分别成型于成型套体 3上, 所述的模具 本体 1由一个分布有通孔 11的支撑体 10构成; 成型套体 3嵌入并固定于支 撑体 10的通孔 11内。 As shown in FIG. 1 to FIG. 10 , a wedge-shaped extrusion molding die of a loose biomass moldable material according to the present invention, the molding die includes a mold body 1 , and a molding cavity 2 is distributed on the mold body 1 . As shown in the figure, the molding cavity 2 is respectively formed on a molding sleeve 3, and the mold body 1 is composed of a support body 10 having a through hole 11; the molding sleeve 3 is embedded and fixed to the support body. 10 inside the through hole 11.
在本发明的成型模具中,采用在模具本体 1的支撑体 10上设置成型套体 3 ,再在成型套体 3上设置成型模腔 2, 当成型模腔 2被磨损而不能再使用时, 可将该成型套体 3从支撑体 10的通孔 11中拆卸掉,再在通孔 11中更换新的 成型套体 3继续使用, 这样可以使模具支撑体 10重复使用, 提高挤压成型模 具的寿命, 从而降低整体成型模具的成本和挤压成型加工的成本。 In the molding die of the present invention, the molding sleeve 3 is disposed on the support body 10 of the mold body 1, and the molding cavity 2 is disposed on the molding sleeve 3, and when the molding cavity 2 is worn and can no longer be used, The molding sleeve 3 can be removed from the through hole 11 of the support body 10, and the new molding sleeve 3 can be replaced in the through hole 11 to continue the use, so that the mold support body 10 can be reused, and the extrusion molding die can be improved. The life, thereby reducing the cost of the overall forming mold and the cost of extrusion processing.
进一步, 如图 1 ~ 3所示, 本发明的楔形挤压成型模具的支撑体 10, 至 少包括一个挤压面, 该挤压面上分布有可嵌入成型套体 3的通孔 11。 这样的 结构设计, 克服了现有技术的缺失, 使模具本体(即支撑体 10 ) 由一个易磨 损构件变成为一种耐用件。 在挤压成型加工中, 成型模腔 2磨损后只要将设 有模腔 2的成型套体 3由支撑体 10上拆下, 再更换新的套体 3, 就可以使整 体模具继续使用。 在本实施例中, 如图 1、 图 4 - 8所示, 支撑体 10呈环形, 所述成型套体 3嵌入支撑体 10的通孔 11后构成环模; 所述成型套体 3可从 环形支撑体 10的内壁面嵌入通孔 11 (如图 1、 图 4 ~图 7所示), 所述内壁 面构成所述的挤压面; 当然, 成型套体 3也可以从环形支撑体 10的外壁面嵌 入通孔 11 (如图 8所示), 此时外壁面构成所述挤压面。 又如图 2、 3、 9、 10 所示, 作为本实施例的另一种实施方式, 所述支撑体 10也可以呈平板形, 所
述成型套体 3嵌入支撑体 10的通孔 11后构成平面模板, 嵌入成型套体 3的 表面为将压面。 Further, as shown in Figs. 1 to 3, the support body 10 of the wedge-shaped extrusion molding die of the present invention comprises at least one pressing surface on which the through holes 11 into which the molded sleeve 3 can be inserted are distributed. Such a structural design overcomes the deficiencies of the prior art and causes the mold body (i.e., the support body 10) to be changed from a wearable member to a durable member. In the extrusion molding process, after the molding cavity 2 is worn, the molding die 3 provided with the cavity 2 is removed from the support body 10, and the new casing 3 is replaced, so that the entire mold can be continuously used. In this embodiment, as shown in FIG. 1 and FIG. 4-8, the support body 10 is annular, and the molding sleeve 3 is embedded in the through hole 11 of the support body 10 to form a ring mold; The inner wall surface of the annular support body 10 is embedded in the through hole 11 (as shown in FIGS. 1, 4 to 7), and the inner wall surface constitutes the pressing surface; of course, the molded sleeve 3 may also be from the annular support body 10. The outer wall surface is embedded in the through hole 11 (as shown in Fig. 8), and the outer wall surface constitutes the pressing surface. As shown in FIG. 2, 3, 9, and 10, as another embodiment of the embodiment, the support body 10 may also have a flat shape. The molded sleeve 3 is embedded in the through hole 11 of the support body 10 to form a flat template, and the surface of the molded sleeve 3 is a pressing surface.
又如图 1 ~ 3所示, 本发明中的成型套体 3, 为一个可与所述支撑体 10 的通孔 11装配的构件,所述成型套体 3上成型有成型模腔 2,该成型套体 3的 形状与支撑体 10的通孔 11形状对应, 在本实施例中, 所述成型套体 3可为 柱体(图 1、 17、 18所示), 成型套体 3固定嵌入所述通孔 11中; 作为本实 施例的另一种实施方式, 所述成型套体 3也可为具有自锁角度的锥台体(如 图 2、 3所示), 该成型套体 3嵌入与其对应的通孔 11中构成自锁。 As shown in FIG. 1 to 3, the molding sleeve 3 of the present invention is a member that can be assembled with the through hole 11 of the support body 10. The molding sleeve 3 is formed with a molding cavity 2, which is formed. The shape of the molded sleeve 3 corresponds to the shape of the through hole 11 of the support body 10. In the embodiment, the molded sleeve 3 can be a cylinder (shown in FIGS. 1, 17, and 18), and the molded sleeve 3 is fixedly embedded. In the through hole 11; as another embodiment of the embodiment, the forming sleeve 3 may also be a frustum body having a self-locking angle (as shown in FIGS. 2 and 3), and the forming sleeve 3 The self-locking is formed by embedding into the corresponding through hole 11.
由于本发明的楔形挤压成型模具的支撑体 10和成型套体 3是分别加工后 进行组装, 以构成所述楔形挤压成型模具, 因此, 各构件的单独加工比较容 易, 可提高各构件的加工制造的精度, 以进一步提高组装后整体成型模具的 精度。 成型套体 3是嵌入固定于支撑体 10的通孔 11中, 因此, 本发明的楔 形挤压成型模具组装筒单、 方便。 Since the support body 10 and the molding sleeve 3 of the wedge-shaped extrusion molding die of the present invention are separately processed and assembled to constitute the wedge-shaped extrusion molding die, the separate processing of each component is relatively easy, and the components can be improved. The precision of the manufacturing process to further improve the accuracy of the overall molding die after assembly. The molding sleeve 3 is embedded and fixed in the through hole 11 of the support body 10. Therefore, the wedge extrusion molding die of the present invention is simple and convenient to assemble.
进一步, 本发明中的成型套体 3可采用精铸方法加工; 所述成型套体 3 上的成型模腔 2也可采用精铸方法与成型套体 3一体成型加工, 以便降低成 型模具的制造成本。 另者, 本发明中的成型套体 3除可用一般常用的模具材 料支座, 还可由陶瓷材料制成。 Further, the molding sleeve 3 of the present invention can be processed by a precision casting method; the molding cavity 2 on the molding sleeve 3 can also be integrally molded with the molding sleeve 3 by a precision casting method to reduce the manufacturing of the molding die. cost. Further, the molded sleeve 3 of the present invention can be made of a ceramic material in addition to a commonly used mold material support.
由上述结构, 本发明不仅可提高整体挤压模具的使用寿命, 降低模具的 制造成本和使用成本, 并且可使模具的加工过程简单方便, 其组装也十分容 易。 实施例 2 According to the above structure, the present invention can not only improve the service life of the entire extrusion die, but also reduce the manufacturing cost and the use cost of the mold, and can make the processing of the mold simple and convenient, and the assembly thereof is also very easy. Example 2
本实施例与实施例 1的结构和原理基本相同, 当使用本发明的楔形挤压 成型模具进行饲料加工时, 由于所用的物料较软, 因此, 其成型套体 3的成 型模腔 2可以采用通常使用的成型模腔 2, 如图 29、 30所示, 所述该通常使 用的成型模腔 2由一通孔 25构成, 该通孔 25的入口端设置一倒角 26。 The structure and principle of the embodiment are basically the same as those of the embodiment 1. When the feed processing is performed using the wedge extrusion molding die of the present invention, since the material used is soft, the molding cavity 2 of the molding sleeve 3 can be used. The molding cavity 2 which is usually used, as shown in Figs. 29 and 30, is constituted by a through hole 25 which is provided with a chamfer 26 at the inlet end of the through hole 25.
进一步, 如图 5、 27、 28所示, 作为本实施例的另一种实施方式, 所述 成型模腔 2也可以由一个收呈收缩状的挤压腔 20构成。本发明人经过大量的 试验证明, 物料在深度不大于 10 mm收缩状挤压腔 20即可以达到足够的物 料成型密度, 直接由成型出口 22挤出, 获得其所需的形状。 从成型出口 22
006 001617 被挤出后与成型模腔 2之间不再有任何的摩擦力, 最大限度地降低其所需的 能耗, 同时也大大地降低了模具的磨损, 从而提高模具的使用成本。 另外, 在本实施例中采用模具本体 1与成型模腔 2分离的结构, 即使模腔 2因磨损 而损坏, 也仅仅更换其中一些成型套体 3 , 避免模具整体的更换, 从而提高 模具整体的使用寿命。 实施例 3 Further, as shown in Figs. 5, 27 and 28, as another embodiment of the present embodiment, the molding cavity 2 may be constituted by a pressing chamber 20 which is contracted. The inventors have conducted a large number of tests to prove that the material can reach a sufficient material forming density in the shrinking extrusion cavity 20 having a depth of not more than 10 mm, and is directly extruded from the molding outlet 22 to obtain a desired shape. From the forming outlet 22 006 001617 is no longer has any friction between the extrusion cavity and the molding cavity 2, minimizing the energy consumption required, and greatly reducing the wear of the mold, thereby increasing the cost of the mold. In addition, in the embodiment, the structure in which the mold body 1 is separated from the molding cavity 2 is used, and even if the cavity 2 is damaged by abrasion, only some of the molding sleeves 3 are replaced, thereby avoiding the replacement of the entire mold, thereby improving the overall mold. Service life. Example 3
本实施例与实施例 1结构和原理基本相同, 本发明的楔形挤压成型模具 可应用于生物质燃烧材料的加工, 由于成型燃烧材料所用成型物料较硬, 在 成型物料进入成型模腔之前, 首先在一楔形挤压腔内被施加一剪切力, 在该 剪切力作用下, 楔形挤压腔内的粒状物料被碾搓、 拉伸而成片状, 随着楔形 挤压腔体积不断缩小, 片状物料呈层叠状进入成型模具的成型模腔内; 为进 一步使已经在楔形挤压腔内被碾搓、 拉伸而成片状的物料, 在成型模具的成 型模腔内被进一步挤压, 使每层间的密度不断增大, 令一部分粒子变形后进 入片状粒子间的间隙缝而形成上下啮合的状态, 以成型出优于其他产品的成 型产品, 因此, 在本实施例中, 如图 1、 4、 6、 9、 12所示, 将所述成型模具 的成型模腔 2设计为成型出口 22偏移地设置于横截面渐缩的挤压腔 20底部 的一侧, 在物料进入端 21与成型出口 22之间形成一个较长的光滑斜坡, 本 实施例中, 所述横截面渐缩的挤压腔 20的深度 b小于等于 10mm, 物料由与 成型出口 22对应一侧的入口端 21进入横截面渐缩的挤庄腔 20内被挤压,然 后从成型出口 22被挤出, 使成型后的产品具有特定的结构模型。 This embodiment is basically the same as the structure and principle of Embodiment 1. The wedge extrusion molding die of the present invention can be applied to the processing of biomass burning materials. Since the molding materials used for molding the combustion materials are hard, before the molding materials enter the molding cavity, First, a shearing force is applied in a wedge-shaped extrusion cavity. Under the shearing force, the granular material in the wedge-shaped extrusion cavity is crushed and stretched into a sheet shape, and the volume of the wedge-shaped extrusion cavity is constant. The sheet material is laminated into the molding cavity of the molding die; in order to further material which has been milled and stretched into a sheet shape in the wedge extrusion chamber, it is further formed in the molding cavity of the molding die. Extrusion, the density between each layer is continuously increased, and a part of the particles are deformed and then enter the gap between the sheet-like particles to form a state of up-and-down engagement to form a molded product superior to other products, and thus, in this embodiment As shown in FIGS. 1, 4, 6, 9, and 12, the molding cavity 2 of the molding die is designed such that the molding outlet 22 is offsetly disposed in the extrusion cavity having a tapered cross section. The side of the bottom portion of the bottom portion 20 forms a long smooth slope between the material inlet end 21 and the forming outlet 22. In this embodiment, the depth b of the extrusion chamber 20 whose cross-section is tapered is less than or equal to 10 mm. The inlet end 21 on the side corresponding to the forming outlet 22 is extruded into the squeezing cavity 20 which is tapered in cross section, and then extruded from the forming outlet 22 to give the molded product a specific structural model.
实践证明, 物料通过模具挤压腔 20后, 即可以达到足够的密度, 无需在 成型出口 22端再设有成型段, 因此, 本发明的成型模具上省略成型段, 所述 成型套体 3的厚度可与渐缩的挤压腔 20的深度相等,物料进入模具的挤压腔 20被挤压后, 直接通过成型出口 22成型挤出, 从而极大减小了物料在成型 模具中通过的长度,使其与松散状生物质材料力传导距离较小的特点相适应, 在保证成型质量的前提下,减小了物料在成型模具中的挤压摩擦长度和时间, 因此, 可大大降低物料的挤出阻力, 只需要较小的正压力即可将物料压出成 型, 从而减小物料通过成型模腔的能耗, 降低生物质材料制品的加工成本。
实施例 4 It has been proved that after the material is extruded through the die 20, sufficient density can be achieved, and no forming section is required at the end of the forming outlet 22. Therefore, the forming section of the present invention omits the forming section, and the forming sleeve 3 The thickness can be equal to the depth of the tapered extrusion chamber 20, and after the material enters the extrusion cavity 20 of the mold, it is directly extruded through the molding outlet 22, thereby greatly reducing the length of the material passing through the molding die. It adapts to the characteristics that the loose conductive biomass material has a small force transmission distance, and reduces the extrusion friction length and time of the material in the forming mold under the premise of ensuring the molding quality, thereby greatly reducing the material Extrusion resistance, only a small positive pressure can be used to extrude the material, thereby reducing the energy consumption of the material through the molding cavity and reducing the processing cost of the biomass material product. Example 4
本实施例的基本原理和结构与实施例 3相同, 在本实施例中, 如图 11 12所示, 所述成型套体 3上设置的成型模腔 2的渐缩挤压腔 20截面形状为 圆形, 成型出口 22也为圆形, 成型出口 22的轴线 221与挤压腔 20截面的轴 线 201平行且间隔设置,所述两轴线的间距 a小于等于圆形成型出口 22的半 径。 The basic principle and structure of the embodiment are the same as those of the third embodiment. In the embodiment, as shown in FIG. 11 12, the cross-sectional shape of the tapered extrusion cavity 20 of the molding cavity 2 disposed on the molding sleeve 3 is The circular shape, the forming outlet 22 is also circular, and the axis 221 of the forming outlet 22 is parallel and spaced apart from the axis 201 of the section of the extrusion chamber 20, the spacing a of which is less than or equal to the radius of the circular forming outlet 22.
上述的结构设计有利于成型模腔 2采用机械加工方式进行加工, 在加工 所述成型模腔 2时, 可首先用铣刀 (或其它切削刀具)在成型套体 3上垂直 加工一通孔以构成所述成型出口 22, 再更换一具有适当导角的扩孔铣刀并将 其加工轴线向一侧偏移, 并控制适当的偏移量(偏移量不大于成型出口 22的 半径)进行扩孔, 以构成渐缩挤压腔 20。 由于本发明的成型模腔 2的加工, 不采用异型加工方法, 而只需采用铣削或钻削加工并配合控制轴线偏移即可 完成, 因此, 使成型模腔 2的加工工艺简化并便于加工, 从而可大大降低模 具的加工成本。 The above structural design is advantageous for the forming cavity 2 to be processed by machining. When the forming cavity 2 is processed, a through hole can be vertically processed on the forming sleeve 3 by using a milling cutter (or other cutting tool). Forming the outlet 22, replacing a reaming cutter with a suitable angle of inclination and offsetting the machining axis to one side, and controlling the appropriate offset (the offset is not greater than the radius of the forming outlet 22) A hole is formed to form the tapered extrusion chamber 20. Since the molding cavity 2 of the present invention is processed without using a special-shaped machining method, it can be completed only by milling or drilling and with the control axis offset, thereby simplifying the processing of the molding cavity 2 and facilitating the processing. Therefore, the processing cost of the mold can be greatly reduced.
在本实施例中, 如图 13 14所示, 成型模腔 2中的渐缩挤压腔 20截面 的轴线 201偏置于成型模口 22的轴线 221后, 渐缩挤压腔 20—侧边缘与成 型模口 22的边缘相切, 即该侧构成一垂直侧壁 222, 采用这种方式可以使进 入成型模腔 2的物料受到该垂直侧壁 222向内的阻力作用而向内挤压, 使物 料不会从该侧边溢出, 挤压成型的效果更佳。 当然, 如图 15 16所示, 渐缩 挤压腔 20的一侧边也可位于成型模口 22边缘之外或之内 以构成所述成型 模腔 2, 此种方式也可达到与上述同样的效果。 In the present embodiment, as shown in FIG. 13 14 , after the axis 201 of the section of the tapered extrusion cavity 20 in the molding cavity 2 is offset from the axis 221 of the molding die 22, the extrusion cavity 20 is tapered to the side edge. Tangent to the edge of the molding die 22, that is, the side constitutes a vertical side wall 222, in such a manner that the material entering the molding cavity 2 is pressed inward by the resistance of the vertical side wall 222 inwardly. The material does not overflow from the side, and the extrusion process is better. Of course, as shown in FIG. 1516, one side of the tapered extrusion chamber 20 may also be located outside or within the edge of the molding die 22 to constitute the molding cavity 2, in such a manner as to be the same as described above. Effect.
进一步, 所述的渐缩挤压腔 20截面形状还可为矩形、 椭圆形或其它不对 称形状, 所述的成型出口 22的形状可与渐缩挤压腔 20截面形状相同, 也可 不同, 如图 31 32所示, 该成型模腔 2的渐缩挤压腔 20截面形状为不规则 形状, 且所述的成型出口 22的形状也为不规则形状, 上述这些形状的成型模 腔 2, 均可采用精铸方法与成型套体 3 体成型加工。 Further, the tapered extrusion cavity 20 may have a rectangular, elliptical or other asymmetrical shape, and the shape of the forming outlet 22 may be the same as or different from the shape of the tapered extrusion cavity 20. As shown in FIG. 31, 32, the tapered extrusion cavity 20 of the molding cavity 2 has an irregular shape, and the shape of the molding outlet 22 is also an irregular shape. The molding cavity 2 of the above shapes, Both the casting method and the forming of the forming sleeve can be carried out.
在本实施例中, 如图 12 17 18所示, 所述的带有成型模腔 2的成型套 体 3的高度与挤压腔 20的深度相等, 与其对应的模具本体 1上设有阶梯孔 11 , 所述成型套体 3嵌入该阶梯孔 11的大孔段; 成型套体 3上表面与模具本 体 1支撑体 10的上表面平齐或稍高于支撑体 10的上表面(图中未示)。 所述
01617 的成型套体 3均匀地排列于模具本体 1的支撑体 10上。 In the present embodiment, as shown in FIG. 12 17 18, the height of the formed sleeve 3 with the molding cavity 2 is equal to the depth of the pressing cavity 20, and the corresponding mold body 1 is provided with a stepped hole. 11 , the forming sleeve 3 is embedded in the large hole section of the stepped hole 11; the upper surface of the forming sleeve 3 is flush with the upper surface of the support body 10 of the mold body 1 or slightly higher than the upper surface of the supporting body 10 (not shown) Show). Said The molded sleeve 3 of 01617 is evenly arranged on the support 10 of the mold body 1.
如图 20所示, 当成型套体 3为锥台体时, 由其小端嵌入支撑体 10的通 孔 11内, 成型套体 3上表面平齐或稍高于支撑体 10的上表面。 As shown in Fig. 20, when the molded sleeve 3 is a frustum body, its small end is embedded in the through hole 11 of the support body 10, and the upper surface of the molded sleeve 3 is flush or slightly higher than the upper surface of the support body 10.
进一步, 本实施例中, 由于成型模腔 2设计为成型出口 21偏移地设置于 横截面渐缩的挤压腔 20底部的一侧,在物料进入端 21与成型出口 22之间形 成一个较长的光滑斜坡,物料须由该光滑斜坡一侧进入成型模腔 2中被挤压, 再由成型出口 22被挤出,因此,该具有光滑斜坡的一侧就构成了物料导入侧。 而成型套体 3是嵌设在模具本体 1的支撑体 10上的, 支撑体 10 (如环模) 有确定的转动方向, 在转动的环模中为使物料准确由导入侧进入成型模腔 2, 需要对成型套体 3嵌入模具本体 1的支撑体 10进行定位。 因此, 在本实施例 中, 所述模具本体 1上与成型套体 3外周对应地设有定位结构, 成型套体 3 定向地嵌入模具本体 1上。 Further, in this embodiment, since the molding cavity 2 is designed such that the molding outlet 21 is offsetly disposed on the side of the bottom portion of the extrusion chamber 20 whose cross-section is tapered, a ratio is formed between the material inlet end 21 and the molding outlet 22. On the long smooth slope, the material has to be extruded from the side of the smooth slope into the molding cavity 2 and then extruded from the forming outlet 22, so that the side with the smooth slope constitutes the material introduction side. The forming sleeve 3 is embedded on the support body 10 of the mold body 1. The support body 10 (such as the ring mold) has a certain rotation direction, and the material in the rotating ring mold is accurately introduced from the introduction side into the molding cavity. 2. It is necessary to position the support body 10 in which the molded sleeve 3 is fitted into the mold body 1. Therefore, in the present embodiment, the mold body 1 is provided with a positioning structure corresponding to the outer circumference of the molding sleeve 3, and the molding sleeve 3 is directionally embedded in the mold body 1.
如图 21、 22所示, 所述的成型套体 3外周面可设有凸出的凸缘 31 , 模 具本体 1上的通孔 11 内壁设有与其相对应的凹入槽 12, 成型套体 3的凸缘 31沿本体 1上的凹入槽 12插入, 从而限定成型套体 3的安装位置。 作为本 实施例的另一种实施方式, 如图 23、 24所示, 所述的成型套体 1外周面可设 有凹入槽 32, 模具本体 1上的通孔 11内壁设有与其相对应的凸缘 13 , 成型 套体 3的凹入槽 32沿本体 1上的凸缘 13插入, 从而限定成型套体 3的安装 位置。 As shown in FIG. 21 and FIG. 22, the outer peripheral surface of the forming sleeve 3 may be provided with a convex flange 31. The inner wall of the through hole 11 of the mold body 1 is provided with a corresponding concave groove 12, and the forming sleeve is formed. The flange 31 of the 3 is inserted along the recessed groove 12 in the body 1 to define the mounting position of the molded sleeve 3. As another embodiment of the embodiment, as shown in FIGS. 23 and 24, the outer peripheral surface of the forming sleeve 1 may be provided with a recessed groove 32, and the inner wall of the through hole 11 on the mold body 1 is provided corresponding thereto. The flange 13 of the molded sleeve 3 is inserted along the flange 13 of the body 1 to define the mounting position of the molded sleeve 3.
挤压成型加工时, 物料由导入侧进入成型模腔 2, 沿光滑斜坡向成型出 口 22处被挤压, 并通过成型出口 22成型为所需形状的产品。 实施例 5 During extrusion molding, the material enters the molding cavity 2 from the introduction side, is extruded along the smooth slope toward the forming outlet 22, and is formed into a desired shape product through the forming outlet 22. Example 5
本实施例与实施例 4基本相同, 如图 25、 26所示, 成型套体 3的定位可 采用如下方式。 令成型套体 3由两段轴线偏移的阶梯状柱体 33、 34构成, 所 述的模具本体 1设有与成型备体 3对应的阶梯状通孔(图未示), 从而使得成 型套体 3定向地嵌入模具本体 1上的通孔, 形成定位。 This embodiment is basically the same as the embodiment 4. As shown in Figs. 25 and 26, the positioning of the molded sleeve 3 can be as follows. The molding sleeve 3 is composed of two stepped cylinders 33 and 34 which are offset by two axes, and the mold body 1 is provided with a stepped through hole (not shown) corresponding to the molding preparation body 3, thereby forming a molding sleeve. The body 3 is directionally embedded in the through hole in the mold body 1 to form a positioning.
当然还可以采用其他的方式进行定位, 例如将所述成型套体 3成型为非 旋转体(如棱柱体、 椭圆柱体或其它不对称的多边形柱体), 模具本体 1上的 通孔 11与所述成型套体 3的形状对应, 构成所述定位结构 (未图示)。 或所
述的成型套体 3可分为两段,至少有一段成型为非旋转体(如图 31、 32所示), 模具本体 1上设有与成型套体 3对应的一段通孔 11 (非旋转形), 成型套体 3 嵌入该段孔内, 从而限定成型套体 3的安装位置。 实施例 6 Of course, other methods can be used for positioning, for example, forming the formed sleeve 3 into a non-rotating body (such as a prism, an elliptical cylinder or other asymmetric polygonal cylinder), the through hole 11 on the mold body 1 and The shape of the molded sleeve 3 corresponds to the positioning structure (not shown). Or The forming sleeve 3 can be divided into two sections, at least one of which is formed into a non-rotating body (as shown in FIGS. 31 and 32), and the mold body 1 is provided with a section of through holes 11 corresponding to the forming sleeve 3 (non-rotating) The molding sleeve 3 is embedded in the hole of the section to define the mounting position of the molding sleeve 3. Example 6
本实施例与实施例 1的结构和原理相同, 其区别在于, 如图 6、 7、 8、 9、 19所示, 将成型套体 3前端设置一凸缘 34, 成型套体 3均匀分布于模具本体 1上, 使所述成型套体 3的凸缘 34则密布在模具本体的表面。 This embodiment is the same as the structure and principle of the first embodiment, and the difference is that, as shown in FIGS. 6, 7, 8, 9, and 19, a flange 34 is disposed at the front end of the formed sleeve 3, and the formed sleeve 3 is evenly distributed. On the mold body 1, the flange 34 of the molded sleeve 3 is densely attached to the surface of the mold body.
传统环模式或平模式挤压成型机的成型模具, 在工作时除成型模腔 2容 易磨损之外, 通常模具本体 1的挤压表面 (与物料接触的表面)往往也容易 受到磨损。 本实施例的结构可克服这一缺陷, 在成型挤压过程中, 由凸缘 34 对模具本体 1的表面起到保护作用, 避免模具本体 1 (即支撑体 10 ) 的表面 磨损, 以提高模具整体的使用寿命。 实施例 7 In the molding die of the conventional ring mode or the flat mode extrusion molding machine, in addition to the wear of the molding cavity 2 during work, the pressing surface of the die body 1 (the surface in contact with the material) is often easily worn. The structure of the embodiment can overcome this drawback. During the forming and pressing process, the surface of the mold body 1 is protected by the flange 34, and the surface of the mold body 1 (i.e., the support body 10) is prevented from being worn to improve the mold. Overall service life. Example 7
本实施例与前述各实施例基本相同, 其区别在于, 如图 14所示, 所述成 型出口 22端部设有扩大段 23 , 所述扩大段 23的出口面积大于成型出口 22 面积。 所述扩大段 23可为柱状扩大段或渐扩状扩大段 (图示为锥状扩大段)。 This embodiment is basically the same as the foregoing embodiments, except that, as shown in FIG. 14, the end of the forming outlet 22 is provided with an enlarged section 23, and the enlarged area of the enlarged section 23 is larger than the area of the forming outlet 22. The enlarged section 23 may be a cylindrical enlarged section or a divergent enlarged section (illustrated as a tapered enlarged section).
进一步, 如图 16 所示, 可根据实际挤压成型的具体情况, 在成型出口 22的端部延伸有一小段成型段 24,再在该成型段 24后部设有所述扩大段 23。 Further, as shown in Fig. 16, a small section 24 may be formed at the end of the forming outlet 22 according to the actual extrusion molding, and the enlarged section 23 may be provided at the rear of the forming section 24.
在上述实施例中, 所述的每个成型套体 3上设有一个成型模腔 2。 作为 本发明另一种实施方式, 根据挤压成型加工的实际需要, 也可在成型套体 3 上设置两个或者两个以上的成型模腔 2 (图未示)。
In the above embodiment, each of the forming sleeves 3 is provided with a molding cavity 2. As another embodiment of the present invention, two or more molding cavities 2 (not shown) may be provided on the molding sleeve 3 in accordance with the actual needs of the extrusion molding process.
Claims
1.一种楔形挤压成型模具, 用于松散状生物质材料的成型, 所述的成型 模具包括一模具本体, 模具本体上分布有成型模腔, 其特征在于: 所述的模 具本体由一个分布有通孔的支撑体构成; 所述的成型模腔分别成型于成型套 体上, 成型套体嵌入固定于支撑体的通孔内。 A wedge-shaped extrusion molding die for molding a loose biomass material, the molding die comprising a mold body, wherein a mold cavity is distributed on the mold body, wherein: the mold body is composed of The support body is provided with a through hole; the molding cavity is respectively formed on the molding sleeve, and the molding sleeve is embedded and fixed in the through hole of the support body.
2.如权利要求 1 所述的一种楔形挤压成型模具, 其特征在于: 支撑体可 以呈环形, 所述成型套体嵌入支撑体通孔后构成环模。 2. A wedge extrusion molding die according to claim 1, wherein: the support body is annular, and the molding sleeve is embedded in the through hole of the support body to form a ring die.
3.如权利要求 1 所述的一种楔形挤压成型模具, 其特征在于: 支撑体可 以呈平板形, 所述成型套体嵌入支撑体通孔后构成平面模板。 The wedge extrusion molding die according to claim 1, wherein the support body has a flat plate shape, and the molding sleeve body is embedded in the through hole of the support body to form a planar template.
4.如权利要求 1 所述的一种楔形挤压成型模具, 其特征在于: 成型套体 可为阶梯柱体, 其小端嵌入支撑体的通孔内。 A wedge extrusion molding die according to claim 1, wherein the molding sleeve is a stepped cylinder, the small end of which is embedded in the through hole of the support.
5.如权利要求 1 所述的一种楔形挤压成型模具, 其特征在于: 成型套体 可为具自锁角度的锥台体, 由其小端嵌入支撑体的通孔内, 成型套体上表面 高于支撑体的上表面。 5 . The wedge extrusion molding die according to claim 1 , wherein the molding sleeve body is a frustum body having a self-locking angle, and the small end is embedded in the through hole of the support body, and the molding sleeve body is formed. The upper surface is higher than the upper surface of the support.
6.如权利要求 1 所述的一种楔形挤压成型模具, 其特征在于: 成型套体 可为锥台体, 由其小端嵌入支撑体的通孔内, 成型套体上表面与支撑体的上 表面平齐。 6 . The wedge extrusion molding die according to claim 1 , wherein the molding sleeve body is a frustum body, and the small end is embedded in the through hole of the support body, and the upper surface of the molding sleeve body and the support body are formed. The upper surface is flush.
7.如权利要求 4、 5或 6所述的一种楔形挤压成型模具, 其特征在于: 所 述的模具本体上与成型套体外周对应地设有定位结构, 成型套体定向地嵌入 模具本体上。 The wedge extrusion molding die according to claim 4, 5 or 6, wherein: the mold body is provided with a positioning structure corresponding to the outer circumference of the molding sleeve, and the molding sleeve is directionally embedded in the mold. On the body.
8.如权利要求 4、 5或 6所述的一种楔形挤压成型模具, 其特征在于: 所 述成型套体可成型为非旋转体,模体本体上的孔与所述成型套体的形状对应, 构成所述定位结构。 The wedge extrusion molding die according to claim 4, 5 or 6, wherein: the molding sleeve is formed into a non-rotating body, and the hole in the body of the body and the forming sleeve are Corresponding to the shape, the positioning structure is formed.
9.如权利要求 4、 5或 6所述的一种楔形挤压成型模具, 其特征在于: 所 述的成型套体可分为两段, 至少有一段成型为非旋转体, 模具本体上设有与 成型套体对应的一段孔, 成型套体嵌入该段孔内, 从而限定成型套体的安装 位置。 9. A wedge extrusion molding die according to claim 4, 5 or 6, wherein: said molding sleeve is divided into two sections, at least one of which is formed into a non-rotating body, and the mold body is provided There is a section of the hole corresponding to the forming sleeve, and the forming sleeve is embedded in the section of the hole to define the mounting position of the forming sleeve.
10.如权利要求 1所述的一种楔形挤压成型模具, 其特征在于: 所述成型 套体可为圆柱体、 棱柱体、 椭圆柱体或其它不对称的多边形柱体。
10. A wedge extrusion molding die according to claim 1, wherein: said molding sleeve is a cylinder, a prism, an elliptical cylinder or other asymmetrical polygonal cylinder.
11.如权利要求 7所述的一种楔形挤压成型模具, 其特征在于: 所述的成 型套体外周面可设有凸出的凸缘, 模具本体上的孔内壁设有与其相对应的凹 入槽, 成型套体的凸缘沿本体上的凹入槽插入, 从而限定成型套体的安装位 置。 The wedge extrusion molding die according to claim 7, wherein: the outer peripheral surface of the molding sleeve is provided with a convex flange, and the inner wall of the hole on the mold body is provided with corresponding The recessed groove, the flange of the molded sleeve is inserted along the recessed groove in the body to define the mounting position of the formed sleeve.
12.如权利要求 7所述的一种楔形挤压成型模具, 其特征在于: 所述的成 型套体外周面可设有凹入槽, 模具本体上的孔内壁设有与其相对应的凸缘, 成型套体的凹入槽沿本体上的凸缘插入, 从而限定成型套体的安装位置。 The wedge extrusion molding die according to claim 7, wherein: the outer peripheral surface of the molding sleeve is provided with a concave groove, and the inner wall of the hole on the mold body is provided with a flange corresponding thereto. The recessed groove of the molded sleeve is inserted along the flange on the body to define the mounting position of the formed sleeve.
13.如权利要求 7所述的一种楔形挤压成型模具, 其特征在于: 成型套体 由两段轴线偏移的阶梯状柱体构成, 所述的模具本体设有与成型套体对应的 阶梯状通孔, 从而使得成型套体定向地嵌入模具本体上的通孔。 The wedge extrusion molding die according to claim 7, wherein the molding sleeve is composed of two stepped cylinders whose axes are offset, and the mold body is provided with a corresponding shape of the molding sleeve. The stepped through holes are such that the molded sleeve is oriented to be inserted into the through holes in the mold body.
14.如权利要求 1所述的一种楔形挤压成型模具, 其特征在于: 所述的每 个成型套体上至少设有一个成型模腔。 A wedge extrusion molding die according to claim 1, wherein: each of said molding sleeves is provided with at least one molding cavity.
15.如权利要求 1所述的一种楔形挤压成型模具, 其特征在于: 所述的成 型套体均匀地排列于模具本体上。 A wedge extrusion molding die according to claim 1, wherein: said molding sleeve is evenly arranged on the mold body.
16.如权利要求 1所述的一种楔形挤压成型模具, 其特征在于: 所述的成 型套体采用精铸方法加工。 A wedge extrusion molding die according to claim 1, wherein: said molding sleeve is processed by a precision casting method.
17.如权利要求 16 所述的一种楔形挤压成型模具, 其特征在于: 所述的 成型套体上的成型模腔采用精铸方法与成型套体一体成型加工。 17. A wedge extrusion molding die according to claim 16, wherein: the molding cavity on the molding sleeve is integrally formed with the molding sleeve by a precision casting method.
18.如权利要求 16 所述的一种楔形挤压成型模具, 其特征在于: 所述的 成型套体上的成型模腔采用机械加工的方法加工。 18. A wedge extrusion molding die according to claim 16, wherein: said molding cavity on said molding sleeve is machined.
19.如权利要求 1所述的一种楔形挤压成型模具, 其特征在于: 所述的成 型套体可由陶瓷材料制成。 19. A wedge extrusion die according to claim 1 wherein: said shaped sleeve is made of a ceramic material.
20.—种用于权利要求 1所述的楔形挤压成型模具的支撑体, 该支撑体上 至少设有一个挤压面, 其特征在于, 所述的支撑体的挤压面上分布有可嵌入 成型套体的通孔。 A support body for use in the wedge extrusion molding die according to claim 1, wherein the support body is provided with at least one pressing surface, wherein the pressing surface of the support body is distributed A through hole that is embedded in the molded sleeve.
21.如权利要求 20 所述的楔形挤压成型模具的支撑体, 其特征在于: 支 撑体可以呈环形, 所述成型套体嵌入支撑体通孔后构成环模。 The support body for a wedge-shaped extrusion molding die according to claim 20, wherein the support body has a ring shape, and the molding sleeve body is embedded in the through hole of the support body to form a ring die.
22.如权利要求 20 所述的楔形挤压成型模具的支撑体, 其特征在于: 支 撑体可以呈平板形, 所述成型套体嵌入支撑体通孔后构成平面模板。 The support body for a wedge-shaped extrusion molding die according to claim 20, wherein the support body has a flat plate shape, and the molding sleeve body is embedded in the through hole of the support body to form a planar template.
23.如权利要求 20 所述的楔形挤压成型模具的支撑体, 其特征在于: 支
撑体上的通孔呈阶梯柱孔。 The support body for a wedge extrusion molding die according to claim 20, wherein: The through hole in the support is a stepped column hole.
24.如权利要求 20所述的楔形挤压成型模具的支撑体, 其特征在于: 支 撑体至少设有一段具自锁角度的锥孔, 其锥孔的深度应等于或小于成型套体 的高度。 The support body for a wedge extrusion molding die according to claim 20, wherein: the support body is provided with at least one tapered hole having a self-locking angle, and the depth of the tapered hole is equal to or smaller than the height of the formed sleeve. .
25.如权利要求 20所述的楔形挤压成型模具的支撑体, 其特征在于: 所 述的支撑体的通孔内设有与成型套体外周对应的定位结构。 The support for a wedge-shaped extrusion die according to claim 20, wherein the through hole of the support body is provided with a positioning structure corresponding to the outer circumference of the molding sleeve.
26.如权利要求 20所述的楔形挤压成型模具的支撑体, 其特征在于: 所 述支撑体的通孔成型为与成型套体对应的非旋转形截面的通孔。 The support body for a wedge-shaped extrusion die according to claim 20, wherein the through hole of the support body is formed as a through hole having a non-rotational cross section corresponding to the molded sleeve.
27.如权利要求 26所述的楔形挤压成型模具的支撑体, 其特征在于: 所 述的支撑体的通孔可分为两段, 至少有一段为与成型套体对应的非旋转形截 面的通孔。 The support body of the wedge extrusion molding die according to claim 26, wherein: the through hole of the support body is divided into two sections, and at least one section is a non-rotating section corresponding to the molding sleeve body. Through hole.
28.如权利要求 20 所述的楔形挤压成型模具的支撑体, 其特征在于: 所 述支撑体的通孔截面为圆形、 棱形、 椭圆形或其它不对称的多边形。 The support for a wedge extrusion die according to claim 20, wherein the through hole of the support has a circular, prismatic, elliptical or other asymmetrical polygonal cross section.
29.如权利要求 20 所述的楔形挤压成型模具的支撑体, 其特征在于: 所 述的支撑体通孔内周面可沿纵向设有凸出的凸缘或者凹槽, 以构成成型套体 定向嵌入的定位结构。 The support body of the wedge extrusion molding die according to claim 20, wherein: the inner peripheral surface of the through hole of the support body is provided with a protruding flange or groove along the longitudinal direction to form a molding sleeve. Body oriented embedded positioning structure.
30.—种用于权利要求 1和 20所述的楔形挤压成型模具及其支撑体的成 型套体, 其特征在于: 所述的成型套体上至少设有一个成型模腔; 成型套体 形状与支撑体通孔的形状对应, 并嵌入于支撑体的通孔内固定。 30. A molding sleeve for use in a wedge extrusion molding die according to claims 1 and 20 and a support body thereof, wherein: the molding sleeve has at least one molding cavity; the molding sleeve The shape corresponds to the shape of the through hole of the support body, and is fixed in the through hole of the support body.
31.如权利要求 30 所述的成型套体, 其特征在于: 成型套体可为阶梯柱 体, 其小端嵌入支撑体的通孔内。 The molded sleeve according to claim 30, wherein the molded sleeve body is a stepped cylinder whose small end is embedded in the through hole of the support body.
32.如权利要求 30 所述的成型套体, 其特征在于: 成型套体为具有自锁 角度的锥台体, 由其小端嵌入支撑体的通孔内, 成型套体最大端直径大于或 者等于支撑体挤压面一端通孔的直径。 The molding sleeve according to claim 30, wherein the molding sleeve is a frustum body having a self-locking angle, and the small end is embedded in the through hole of the support body, and the maximum diameter of the molding sleeve is larger than or It is equal to the diameter of the through hole at one end of the pressing surface of the support.
33.如权利要求 30所述的成型套体, 其特征在于: 成型套体可为锥台体, 其形状与支撑体的通孔对应, 成型套体的大端直径与支撑体的锥形孔大端直 径相等,嵌入支撑体的通孔后与支撑体挤压面平齐。 The molding sleeve according to claim 30, wherein the molding sleeve body is a frustum body having a shape corresponding to the through hole of the support body, and the large end diameter of the molding sleeve body and the tapered end of the support body Equal in diameter, embedded in the through hole of the support body and flush with the pressing surface of the support body.
34.如权利要求 30所述的成型套体, 其特征在于: 所述成型套体外周设 有定位结构, 成型套体定向地嵌入支撑体上。 The molded sleeve according to claim 30, wherein: the outer sleeve of the forming sleeve is provided with a positioning structure, and the forming sleeve is directionally embedded in the supporting body.
35.如权利要求 34所述的楔形挤压成型模具的成型套体, 其特征在于:
所述成型套体可成型为非旋转体, 嵌入支撑体的通孔内后定位。 35. A molded sleeve for a wedge extrusion die according to claim 34, wherein: The molding sleeve can be formed into a non-rotating body and positioned after being embedded in the through hole of the support body.
36.如权利要求 34或 35所述的成型套体, 其特征在于: 所述的成型套体 可分为两段, 至少有一段成型为非旋转体。 36. The molded casing of claim 34 or 35, wherein: said formed casing is divided into two sections, at least one of which is formed into a non-rotating body.
37.如权利要求 30 所述的成型套体, 其特征在于: 所述成型套体可为圆 柱体、 棱柱体、 椭圆柱体或其它不对称的多边形柱体。 37. The molded casing of claim 30, wherein: said formed casing is a cylindrical body, a prismatic body, an elliptical cylinder or other asymmetric polygonal cylinder.
38.如权利要求 30 所述的成型套体, 其特征在于: 所述的成型套体外周 面可沿轴向设有凸出的凸缘或凹槽,以构成成型套体嵌入支撑体的定位结构。 38. The molded sleeve according to claim 30, wherein: the outer peripheral surface of the forming sleeve is provided with a protruding flange or groove along the axial direction to form a positioning of the forming sleeve embedded in the support body. structure.
39.如权利要求 30 所述的成型套体, 其特征在于: 成型套体由两段轴线 偏移的阶梯状柱体构成,所述的模具本体设有与成型套体对应的阶梯状通孔, 从而使得成型套体定向地嵌入模具本体上的通孔。 39. The molding kit according to claim 30, wherein: the molding sleeve body is composed of two stepped cylinders whose axes are offset, and the mold body is provided with a stepped through hole corresponding to the molding sleeve body. Thereby, the molding sleeve is oriented to be inserted into the through hole on the mold body.
40.如权利要求 30 所述的成型套体, 其特征在于: 所述的每个成型套体 上至少设有一个成型模腔。 40. The molded casing of claim 30, wherein: each of said forming sleeves is provided with at least one forming cavity.
41.如权利要求 30 所述的成型套体, 其特征在于: 所述的成型套体均匀 地排列于模具本体上。 The molded casing according to claim 30, wherein: said molding sleeve is evenly arranged on the mold body.
42.如权利要求 30 所述的成型套体, 其特征在于: 所述的成型套体采用 精铸方法加工。 42. The molded casing of claim 30, wherein: said formed casing is machined by a precision casting process.
43.如权利要求 3Q 所述的成型套体, 其特征在于: 所述的成型套体上的 成型模腔采用精铸方法与成型套体一体成型加工。 43. The forming sleeve according to claim 3Q, wherein: the forming cavity on the forming sleeve is integrally formed with the forming sleeve by a precision casting method.
44.如权利要求 30 所述的成型套体, 其特征在于: 所述的成型套体上的 成型模腔采用机械加工的方法加工。 44. The molded casing of claim 30, wherein: the forming cavity on the forming sleeve is machined.
45.如权利要求 30所述的成型套体, 其特征在于: 所述的成型套体可由 陶瓷材料制成。 45. The molded casing of claim 30, wherein: said formed casing is made of a ceramic material.
46.如权利要求 30 所述的成型套体, 其特征在于: 所述成型模腔是由物 料入口端向成型出口端横截面渐缩的挤压腔构成, 挤压腔的底部设有所述成 型出口, 该成型出口形状与物料成型后的产品截面相对应, 所述物料在该渐 缩的挤压腔内被挤压至足够的成型密度, 由成型出口挤出。 The molding sleeve according to claim 30, wherein: the molding cavity is formed by an extrusion cavity whose material inlet end is tapered toward a cross section of the molding outlet end, and the bottom of the extrusion cavity is provided with the The forming outlet has a shape corresponding to the product section after the material is formed, and the material is extruded to a sufficient molding density in the tapered extrusion chamber to be extruded from the forming outlet.
47.如权利要求 46所述的成型套体, 其特征在于: 所述的挤压腔底部的 成型出口偏移地设置于挤压腔底部的一侧, 物料由与成型出口对应的一侧进 入横截面渐缩的挤压腔被挤压。 47. The molding kit according to claim 46, wherein: the forming outlet of the bottom of the pressing chamber is offset from one side of the bottom of the pressing chamber, and the material is entered by a side corresponding to the forming outlet. The extrusion chamber whose cross section is tapered is pressed.
48.如权利要求 46 所述的成型套体, 其特征在于: 成型模套上的横截面
渐缩的挤压腔的深度小于等于 10mm。 48. The molded casing of claim 46, wherein: a cross section on the forming sleeve The depth of the tapered extrusion chamber is less than or equal to 10 mm.
49.如权利要求 46所述的成型套体, 其特征在于: 所述的成型模腔的成 型出口可连接有一段与成型出口对应的成型段。 49. A molded casing according to claim 46, wherein: said forming cavity of said forming cavity is connectable with a section of forming corresponding to the forming outlet.
50.如权利要求 46所述的成型套体, 其特征在于: 所述的成型模腔的成 型出口可连接有一扩大段, 所述扩大段的出口面积大于成型出口面积。 The forming sleeve according to claim 46, wherein: the forming outlet of the forming cavity is connectable with an enlarged section, and the enlarged section has an outlet area larger than the forming outlet area.
51.如权利要求 46所述的成型套体, 其特征在于: 所述的成型出口的形 状也可与挤压腔截面形状相对应。 The molded casing according to claim 46, wherein the shape of the forming outlet corresponds to the cross-sectional shape of the pressing chamber.
52.如权利要求 46所述的成型套体, 其特征在于: 所述的挤压腔截面形 状可为圆形、 矩形、 椭圆形、 或其它不对称形状。 52. The molded casing of claim 46, wherein: said extrusion cavity has a cross-sectional shape that is circular, rectangular, elliptical, or other asymmetrical shape.
53.如权利要求 46所述的成型套体, 其特征在于: 所述的挤压腔截面形 状为圆形, 成型出口也为圆形, 成型出口的轴线与挤压腔截面的轴线平行且 间隔设置, 所述两轴线的间距小于等于圆形成型出口的半径。 The molding sleeve according to claim 46, wherein: the extrusion cavity has a circular cross-sectional shape, and the molding outlet is also circular, and the axis of the molding outlet is parallel to and spaced from the axis of the extrusion cavity section. The distance between the two axes is less than or equal to the radius of the circular shaped exit.
54.如权利要求 46所述的成型套体, 其特征在于: 所述的成型套体的高 度与挤压腔的深度相等。 54. A molded sleeve according to claim 46, wherein: said formed sleeve has a height equal to the depth of the extrusion chamber.
55.如权利要求 46所述的成型套体, 其特征在于: 所述的成型套体上可 设有两个或者两个以上的成型模腔。 55. A molded casing according to claim 46, wherein: said forming casing is provided with two or more forming cavities.
56.如权利要求 46 所述的成型套体, 其特征在于: 所述成型套体上的成 型模腔采用精铸方法与成型套体一体成型加工。 The molding sleeve according to claim 46, wherein: the molding cavity on the molding sleeve is integrally formed with the molding sleeve by a precision casting method.
57.如权利要求 46所述的成型套体, 其特征在于: 所述成型套体上的成 型模腔采用机械加工的方法加工。
57. The forming sleeve of claim 46, wherein: the forming cavity on the forming sleeve is machined.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2006/001617 WO2008009167A1 (en) | 2006-07-10 | 2006-07-10 | Cuniform extruding mold, supporting body and pattern die |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2006/001617 WO2008009167A1 (en) | 2006-07-10 | 2006-07-10 | Cuniform extruding mold, supporting body and pattern die |
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WO2008009167A1 true WO2008009167A1 (en) | 2008-01-24 |
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PCT/CN2006/001617 WO2008009167A1 (en) | 2006-07-10 | 2006-07-10 | Cuniform extruding mold, supporting body and pattern die |
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