CN110394498B - Combined multifunctional saw blade and manufacturing method thereof - Google Patents
Combined multifunctional saw blade and manufacturing method thereof Download PDFInfo
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- CN110394498B CN110394498B CN201910765722.9A CN201910765722A CN110394498B CN 110394498 B CN110394498 B CN 110394498B CN 201910765722 A CN201910765722 A CN 201910765722A CN 110394498 B CN110394498 B CN 110394498B
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- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 29
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 230000007704 transition Effects 0.000 claims description 24
- 239000007787 solid Substances 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 230000013011 mating Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/12—Straight saw blades; Strap saw blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D65/00—Making tools for sawing machines or sawing devices for use in cutting any kind of material
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Abstract
The invention relates to a combined multifunctional saw blade, and belongs to the technical field of metal tool manufacturing. The existing saw blade interface is often designed by adopting a planar single-hole, communicated double-hole structure or a non-combined type multifunctional electric saw blade connection interface, and the improvement space is still reserved in the aspects of benefits and cost of users and manufacturers. The invention includes a blade body characterized by: the three-dimensional pressure pad also comprises an octagonal three-dimensional interface body and a three-dimensional reinforced pressure pad; the multi-functional combined saw blade comprises a saw blade body, a three-dimensional reinforcing pressing pad, a three-dimensional connecting rod, a three-dimensional reinforcing pressing pad and a combination type multifunctional saw blade. The convenient-to-use device is convenient for a user to purchase, reduces the use cost, improves the convenience of use, is fast and firm to install, and improves the replacement and use efficiency.
Description
Technical Field
The invention relates to a saw blade, in particular to a combined multifunctional saw blade which is suitable for being matched with a handheld tool, wherein the handheld tool is provided with a functional device which swings with a transmission shaft as a center, and belongs to the technical field of metal tool manufacturing.
Background
The existing saw blade interface is designed to be a planar single-hole, communicated double-hole structure or non-combined type multifunctional electric saw blade connection interface, and the multifunctional electric saw and the component (accessory) saw blade thereof produced by different manufacturers have different brands or categories, and the connection structure connected with the two saw blades is also different and has certain specificity, so that the matched tool selection range applicable to the component (accessory) saw blade is limited, the further expansion production of manufacturers is not facilitated, meanwhile, the purchase inconvenience and the use cost of users are relatively increased, and therefore, the benefits and the cost of the users and the manufacturers are still improved.
The multifunctional electric saw blade connecting interface disclosed in the Chinese patent with the patent number ZL201520875201.6, which is previously applied by the inventor, adopts a saw blade body and a connecting handle part integrated structure with the connecting interface, namely, the end part of the connecting handle part is connected with a saw blade, the outer side end of the connecting department is provided with a lower concave surface, the outline of the lower concave surface is polygonal, and the lower concave surface is in transitional connection with the end surface of the connecting handle part through an inclined surface body; a square through groove is formed in the center of the lower concave surface, and short through grooves are respectively formed in the four corners of the square through groove on the lower concave surface; an upper through groove, a lower through groove, a left through groove and a right through groove are respectively and inwards arranged on the lower concave surface and by the upper wall and the lower wall and the left wall and the right wall of the square through groove; structural designs of connecting holes are respectively arranged on the lower concave surface, between the upper through groove and the short through groove, between the lower through groove and the short through groove, between the left through groove and the short through groove and between the right through groove and the short through groove. The adopted structure has limitations in the applicability of matched tools, and meanwhile, has room for optimization and improvement in the aspects of installation convenience and firmness.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the combined multifunctional saw blade with reasonable structural design, which is convenient for a user to purchase, reduces the use cost, improves the use convenience, is fast and firm to install, and improves the replacement and use efficiency.
The invention solves the problems by adopting the following technical scheme: the utility model provides a reliable combination formula multi-functional saw bit of high efficiency, includes saw bit body, its characterized in that: the multifunctional saw blade comprises a saw blade body, a saw blade transmission shaft, a saw blade body, a saw blade, a handle and a handle, wherein the saw blade body is characterized by further comprising an octagonal three-dimensional interface body and a three-dimensional enhancement pressing pad, the saw blade body is fixed on a tool through the octagonal three-dimensional interface body and the three-dimensional enhancement pressing pad, so that the swing center of the combined multifunctional saw blade is basically matched with the center of the tool transmission shaft, the saw blade body and the octagonal three-dimensional interface body are not limited to be in a split combined type, the shape and the material of the saw blade body part comprise an integral combination type and can be changed to adapt to different application requirements, and the octagonal three-dimensional interface body is provided with an excessive handle.
Preferably, the combined multifunctional saw blade is integrally provided with a tooth part, a saw body part, a saw handle transition part, an octagonal three-dimensional interface part and a matched three-dimensional enhancement pressing pad, wherein the shape and the size of the matching part of the octagonal three-dimensional interface and the tool interface are solidified, the three-dimensional enhancement pressing pad is solidified, namely the matching part of the interface part and the tool is solidified, and the combined multifunctional saw blade is generally provided with a body suitable for the octagonal three-dimensional interface; the transition portion and blade body portion are variable depending on the application requirements.
Preferably, the octagonal three-dimensional interface body is provided with an octagonal three-dimensional interface, an inner and outer matched compression surface, a positioning groove, a positioning hole and a center hole; the external fit compression surface is meshed with the interface of the matched tool to receive the torque of the matched tool, the internal fit compression surface is meshed with the bowl-shaped three-dimensional external fit compression surface of the three-dimensional enhancement compression pad, and the internal fit compression surface is fixed on the interface locking concave surface of the three-dimensional enhancement compression pad through the locking compression bar of the tool to transmit the received tool torque to the saw blade body.
Preferably, the octagonal three-dimensional interface is provided with four groups of octagonal three-dimensional bodies which are equally divided in circumference around the center of the interface, each group of octagonal three-dimensional bodies is provided with eight matching surfaces which are identical in shape, each octagonal three-dimensional body is provided with three matching surfaces which are identical in shape, the two groups of octagonal three-dimensional bodies are symmetrical relative to the center of the octagonal three-dimensional interface, each octagonal three-dimensional body in the two groups of octagonal three-dimensional bodies is symmetrical relative to the center of the octagonal three-dimensional interface, and the three matching surfaces in the two octagonal three-dimensional bodies which are symmetrical relative to the center of the octagonal three-dimensional interface. The tangential direction of the two matching surfaces is at a certain angle with the central axis of the octagonal three-dimensional interface, and the tangential direction of one matching surface is at a certain angle with the central axis of the octagonal three-dimensional interface.
Preferably, the positioning grooves are radially and uniformly distributed around the center of the octagonal three-dimensional interface and are on the same plane, wherein the center lines of the eight positioning grooves are matched with the center lines of the eight octagonal three-dimensional interfaces. The positioning holes are arranged near the opening end of the positioning groove, are distributed on two sides of the positioning groove in a two-section circular arc shape on the same circumference, the centers of the positioning holes are positioned on the central line of the positioning groove, the centers of all the positioning holes are positioned on the same circumference, and the centers of the circumferences are matched with the centers of the octagonal three-dimensional interfaces. The positioning holes are arranged near the opening end of the positioning groove, are distributed on two sides of the positioning groove in a two-section circular arc shape on the same circumference, the centers of the positioning holes are positioned on the central line of the positioning groove, the centers of all the positioning holes are positioned on the same circumference, and the centers of the circumferences are matched with the centers of the octagonal three-dimensional interfaces. The center hole is matched with the center of the octagonal three-dimensional interface, the circumference of the center hole is communicated with the positioning grooves, and the center hole is embodied in the circular arcs of the toothed heads at the two sides of each positioning groove.
Preferably, the above-mentioned transition shank portion is provided with a transition portion having a certain margin, and is not limited to a straight flat surface shape, a bent shape, and the like, and the bent shape is provided with a three-dimensional reinforcing rib.
Preferably, the three-dimensional reinforcing pressing pad is provided with an interface locking concave surface, a mounting hole, a positioning convex point, a positioning convex surface, a bowl-shaped three-dimensional external matching pressing surface and an inner side surface.
Preferably, the three-dimensional reinforcing pressing pad is provided with a mounting hole, and the central axial center of the mounting hole is matched with the axial central line of the three-dimensional reinforcing pressing pad; the three-dimensional reinforced pressing pad is provided with a bowl-shaped three-dimensional external matching pressing surface and an inner side surface, and the axial center lines of the bowl-shaped three-dimensional external matching pressing surface and the inner side surface are matched with the axial center line of the three-dimensional reinforced pressing pad; the bowl-shaped three-dimensional external fit compression surface is divided into three-dimensional upper, middle and lower three-layer planes and a conical three-dimensional plane, the transition joints of all the planes are transition in round angle, the outer circumferential diameter of the three-dimensional upper plane is slightly smaller than the outer fit compression surface circumferential diameter of the octagonal three-dimensional interface body, the three-dimensional middle plane is provided with a positioning convex point, and the positioning convex point is higher than the plane on which the positioning convex point is positioned on the middle plane, but is lower than the thickness of the toothed parts at two sides of the octagonal three-dimensional interface positioning groove when being matched with the octagonal three-dimensional interface body; the bowl-shaped three-dimensional outer fit inner side surface is reversely formed on the outer fit compression surface at the same time, an interface locking concave surface is arranged, the three-dimensional enhancement compression pad is provided with positioning convex points and positioning convex surfaces, wherein the positioning convex points are radially and circumferentially uniformly distributed around the center of the three-dimensional enhancement compression pad and are on the same plane, the radial circumferential diameter is the same as the circumference of a positioning hole on an octagonal three-dimensional interface body, the center of each positioning convex point is in the center of the positioning hole and is slightly smaller than the diameter of the positioning hole, the maximum outer diameter of each positioning convex point is slightly smaller than the diameter of the positioning hole, the axial center line of each positioning convex point is in the shape of a three-dimensional ring and is identical with the center line of the three-dimensional enhancement compression pad, and the maximum outer diameter of each positioning convex point is slightly smaller than the diameter of a center hole on the octagonal three-dimensional interface body.
Compared with the prior art, the invention has the following advantages and effects: the combined multifunctional saw blade is adopted, so that the application range of the special interface electric tool is enlarged; the matched three-dimensional enhanced pressing pad can be matched with a tool to adapt to all similar interface products, so that the production cost and the purchase cost of a user are reduced, and convenience is provided for the user; meanwhile, the octagonal three-dimensional interface body greatly simplifies the installation steps of the electric tool, does not need other auxiliary tools, is quick to replace, can complete no matter the illumination condition of the environment, and improves the replacement efficiency and adaptability; the eight-angle three-dimensional interface body and the three-dimensional enhancement pressure pad, the engagement surface of moment transmission is generally increased, and the atress direction is reasonable to be optimized, not only makes local load reduce to extension instrument life, the validity of lifting moment transmission simultaneously reaches ideal effect, perfect progress effect when realizing the instrument operation, in addition according to the operation mode of service environment adjustment installation angle, the special environmental condition of being convenient for.
The invention is suitable for being matched with an electric (pneumatic) tool, in particular to a hand-held electric (pneumatic) tool, wherein the electric (pneumatic) tool is provided with a functional device which swings left and right circumferentially with a transmission shaft as a center at a small angle. The saw blade body and the octagonal three-dimensional interface body are rigidly fixed into a whole. Through the octagonal three-dimensional structure and the interface locking surface on the three-dimensional enhancement pressing pad, the three-dimensional locking surface is gradually increased to the integral three-dimensional anastomosis surface of the octagonal three-dimensional interface body and the three-dimensional enhancement pressing pad, the possibility of fixing the combined type multifunctional saw blade is enhanced, and meanwhile, the torque generated by an electric (pneumatic) tool is received more efficiently. The three-dimensional enhancement pressing pad can be repeatedly used for a long time, can be adapted to any product of the combined multifunctional saw blade with the octagonal three-dimensional interface body, relatively reduces the cost of a single section and accords with the maximization of the benefit of customers.
Drawings
In order to more clearly illustrate the embodiments of the invention and/or the technical solutions of the prior art, the drawings that are required in the description of the embodiments and/or the prior art will be briefly described below, it being obvious that the drawings in the description below are only some embodiments of the invention and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structure of a combined multifunctional saw blade according to the present invention.
FIG. 2 is a schematic diagram showing the structure of an octagonal three-dimensional interface body
Fig. 3 shows a schematic side cross-sectional view of an octagonal three-dimensional interface body.
Fig. 4 shows a schematic structure of a three-dimensional reinforced pressure pad.
Fig. 5 shows a schematic side cross-sectional view of a stereoscopic reinforced pressure pad.
Fig. 6 shows a schematic cross-sectional view of a solid reinforcing press pad.
Fig. 7 shows a schematic perspective back view of a stereoscopic reinforcing press pad.
Fig. 8 shows a schematic perspective view of a stereoscopic reinforcing press pad.
Fig. 9 shows a schematic view of the structure of the blade body.
Fig. 10 shows a schematic view of a blade body from a perspective.
Fig. 11 shows a front view of the drive shaft of the combination multi-function saw blade and the associated tool.
Fig. 12 shows a side view schematic of the drive shaft of the combination multi-function saw blade and accessory tool.
Fig. 13 shows an exploded cross-sectional view of the combined multifunctional saw blade.
In the figure: 1-a saw blade body; 2-octagon three-dimensional interface body; 3-a three-dimensional reinforced pressure pad; 4-saw blade tooth portions; 5-sawing the body part; 6-saw handle transition portion; 7-an octagonal three-dimensional interface part; 8-positioning grooves; 9-positioning holes; 10-a central hole; 11-octagon solid; 12-interface locking concave surface; 13-mounting holes; 14-positioning groove tooth part plane arc; 15-a three-dimensional reinforcing rib; 16-octagonal three-dimensional interfaces; 17-an inner matched compression surface; 18-an external mating compression face; 19-an octagonal three-dimensional left matching surface; 20-an octagonal three-dimensional right matching surface; 21-an octagonal three-dimensional lower matching surface; 22-welding pressure points; 23-positioning the convex points; 24-positioning the convex surface; 25-bowl-shaped three-dimensional external matched compression surfaces; 26-bowl-shaped three-dimensional inner side; 27-conical solid plane; 28-upper compression surface; 29-a medium compression surface; 30-lower plane; 31-rounded corners at the joints; the H-positioning convex surface is higher than the positioning convex point; 33-drive shaft of the tool.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Examples
Referring to fig. 1 to 13, the combination type multifunctional saw blade in the present embodiment includes a saw blade body 1 for cutting, an octagonal three-dimensional interface body 2 for connecting the saw blade body 1, and a three-dimensional reinforcing press pad 3 for fixing the octagonal three-dimensional interface body 2 to a driving shaft 33 of a tool; the saw blade body 1 is fixed with the octagonal three-dimensional interface body 2, and the octagonal three-dimensional interface body 2 is fixed on a driving shaft 33 of the tool through a three-dimensional reinforcing pressing pad 3, so that the swing center of the combined multifunctional saw blade is matched with the axis of the driving shaft 33 of the tool.
The octagonal three-dimensional interface body 2 is provided with an octagonal three-dimensional interface 16 that mates with a drive shaft 33 of the tool, an inner mating compression face 17 that mates with the three-dimensional reinforcing compression pad 3, and an outer mating compression face 18 that mates with the tool.
The octagonal three-dimensional interface 16 is provided with four groups of octagonal three-dimensional interfaces 11 which are equally divided in circumference around the center of the interface, and each group of eight three-dimensional interfaces are identical in shape; wherein, each octagonal three-dimensional 11 is provided with three matching surfaces with the same shape, among the three matching surfaces of each octagonal three-dimensional 11, the tangential direction of two matching surfaces forms an included angle with the central axial direction of the octagonal three-dimensional interface 16, and the tangential direction of one matching surface forms an included angle with the central radial direction of the octagonal three-dimensional interface 16; wherein, the two groups of octagon bodies 11 are symmetrical relative to the center of the octagon body interface 16, one octagon body 11 in the two groups of octagon bodies 11 is symmetrical relative to the center of the octagon body interface 16, and three matching surfaces in the two octagon bodies 11 symmetrical are symmetrical relative to the center of the octagon body interface 16.
The octagonal three-dimensional interface 16 is provided with a positioning groove 8, a positioning hole 9 and a central hole 10; wherein, the positioning grooves 8 are radially and uniformly distributed around the center of the octagonal three-dimensional interface 16, and the center lines of the eight positioning grooves 8 are respectively matched with the center lines of the eight octagonal three-dimensional interfaces 11 on the same plane; wherein, each positioning hole 9 is arranged at the opening end of the positioning groove 8, each positioning hole 9 is distributed at two sides of the positioning groove 8 in a two-section circular arc shape on the circumference of the same circle, the centers of the positioning holes 9 are positioned on the central line of the positioning groove 8, the centers of all the positioning holes 9 are positioned on the same circumference, and the centers of the circumferences are consistent with the centers of the octagonal three-dimensional interfaces 16; wherein the central hole 10 coincides with the center of the octagonal three-dimensional interface 16.
The three-dimensional reinforced pressure pad 3 is provided with a mounting hole 13, a positioning convex point 23 and a positioning convex surface 24; wherein, the positioning convex points 23 are circumferentially and uniformly distributed around the mounting hole 13, and on the same plane, the circumferential diameter is the same as the circumferential diameter of the positioning hole 9 on the octagonal three-dimensional interface body 2, the center of each positioning convex point 23 is respectively matched with the center of the positioning hole 9, and the outer diameter of the positioning convex point 23 is slightly smaller than the diameter of the positioning hole 9 so that the positioning convex point 23 falls into the positioning hole 9; the positioning convex surface 24 is in a solid circular shape, the axial center line of the positioning convex surface 24 is matched with the center line of the solid reinforcing pressure pad 3, and the outer diameter of the positioning convex surface 24 is slightly smaller than the diameter of the central hole 10 on the octagonal solid interface body 2 so that the positioning convex surface 24 falls into the central hole 10.
The three-dimensional reinforcing pressing pad 3 is provided with a bowl-shaped three-dimensional external matching pressing surface 25 and a bowl-shaped three-dimensional external matching inner side surface, and the axial central lines of the bowl-shaped three-dimensional external matching pressing surface 25 and the bowl-shaped three-dimensional external matching inner side surface are matched with the axial central line of the three-dimensional reinforcing pressing pad 3; the bowl-shaped three-dimensional external fit compression surface 25 comprises a three-dimensional upper plane, a three-dimensional middle plane, a three-dimensional lower plane and a conical three-dimensional plane 27, the connection parts of all planes are excessive in round angle, the outer circumferential diameter of the three-dimensional upper plane is slightly smaller than the circumferential diameter of the external fit compression surface 18 of the octagonal three-dimensional interface body 2, and the three-dimensional middle plane is provided with a positioning convex point 23; the positioning convex surface 24 is higher than the positioning convex point 23 on the three-dimensional middle plane, and when the three-dimensional enhancement pressing pad 3 is matched with the octagonal three-dimensional interface body 2, the positioning convex surface 24 is positioned in the central hole 10; wherein, the bowl-shaped three-dimensional outer matching inner side surface is positioned on the reverse side of the bowl-shaped three-dimensional outer matching compression surface 25, and the bowl-shaped three-dimensional outer matching inner side surface is provided with an interface locking concave surface 12.
The saw blade body 1 and the octagonal three-dimensional interface body 2 are of a combined structure or an integrated structure. The octagonal three-dimensional interface body 2 is provided with a saw handle transition part 6, and the octagonal three-dimensional interface body 2 is fixed with the saw blade body 1 through the saw handle transition part 6; the saw handle transition part 6 is provided with a transition part which is in a straight plane shape or a bent shape, and when the saw handle transition part is in a bent shape, a three-dimensional reinforcing rib is arranged. The combined multifunctional saw blade is matched with a handheld tool, and the tool is provided with a driving device which swings around a driving shaft.
The manufacturing method of the combined type multifunctional saw blade in the embodiment is used for manufacturing the saw blade body 1, the octagonal three-dimensional interface body 2 and the three-dimensional reinforced pressing pad 3, and the adopted working procedures comprise blanking and forming of a die, machining, heat treatment, welding and surface treatment.
The saw blade body 1 in the embodiment is approximately rectangular in shape, and the saw blade body 1 is divided into a saw blade tooth part 4, a saw body part 5 and a saw handle transition part 6 according to functions; the saw handle transition part 6 of the saw blade body 1 and the saw handle transition part 6 of the octagonal three-dimensional interface body 2 are firmly combined into a whole by adopting a plurality of welding pressure points 22 and welding processes, so that the saw blade body 1 and the octagonal three-dimensional interface body 2 have the same central symmetry axis and straightness, and the cutting process of the saw blade tooth part 4 is realized through swinging.
The octagonal three-dimensional interface body 2 is provided with a saw handle transition part 6 in the embodiment, a handle part head part is provided with a plurality of welding pressure points 22, and a three-dimensional reinforcing rib 15 is arranged at the bending part to improve the handle part strength and deformation resistance of the octagonal three-dimensional interface body. The octagonal three-dimensional interface part 7 is designed with four groups of eight octagonal three-dimensional bodies 11 which are equally divided in circumference, two groups of eight octagonal three-dimensional bodies are identical in shape and symmetrically distributed around the center, the eight octagonal three-dimensional bodies form an outer matched compression surface 18, the shape of the compression surface is matched with that of the market-specific interface electric tool, and the eight octagonal three-dimensional bodies have mounting positions which are equally divided by 30 degrees in a 360-degree range and are operated under different environmental conditions.
The octagonal three-dimensional interface part 7 is provided with a positioning groove 8, a positioning hole 9 and a central hole 10, and meanwhile, the positioning groove 8 is provided with a positioning groove tooth part plane arc 14, and the centers of the positioning holes 9 are positioned on the same circumference and all positioned on a central shaft.
The three-dimensional reinforced pressing pad 3 is a universal solidification structure and is universal for all combined multifunctional saw blade series and electric tools with market-specific interfaces.
The three-dimensional enhancement pressure pad 3 is designed with a bowl-shaped three-dimensional external fit pressure surface 25 which is matched with the internal fit pressure surface 17 of the octagonal three-dimensional interface part 7, and is positioned primarily by the positioning convex surface 24 and the central hole 10, and is positioned precisely by the positioning convex point 23 and the positioning hole 9 and the circumference of the positioning convex surface 24 and the plane arc 14 of the tooth part of the positioning groove, and finally, the driving shaft 33 of the tool is utilized to fix and compress the tool on the locking concave surface 12 of the interface, namely, the combined multifunctional saw blade is installed on the tool, and meanwhile, other auxiliary tools are not needed for the installation, and the multi-stage guiding of the interface can be realized in any environment, so that the rapid and convenient installation can be realized.
The driving shaft 33 of the tool and the tool installation cavity are connected integrally, after the installation is completed, the driving shaft 33 of the tool drives the tool installation cavity to swing together, the driving shaft 33 of the tool is fixed on the interface locking concave 12, the compression surface with the maximized area formed between the three-dimensional enhancement compression pad 3, the octagonal three-dimensional interface body 2 and the tool installation cavity is transferred through the upper compression surface 28, the middle compression surface 29 and the conical three-dimensional plane 27 of the three-dimensional enhancement compression pad 3, the lower plane 30 on the designed positioning convex surface 24 is higher than the plane of the positioning convex point 23 on the middle compression surface 29, namely the positioning convex surface is higher than the positioning convex point H and lower than the thickness of the toothed parts on two sides of the octagonal three-dimensional interface positioning groove.
The combined multifunctional saw blade is guaranteed to be firmly and precisely matched with a tool, single-point stress is reduced, structural local fatigue damage is caused, and the service life of a product is prolonged.
The rotation moment of the driving shaft 33 of the tool is transferred to the octagonal three-dimensional interface body 2 through the octagonal three-dimensional 11 of the octagonal three-dimensional interface portion 7 and the left and right lower matching surfaces of the octagonal three-dimensional interface body, and drives the saw blade body 1 to operate.
The octagonal three-dimensional circumference is distributed in equal parts, and each octagonal three-dimensional circumference is symmetrical to one group of rotation centers; simultaneously, three mating surfaces about the eight angles are three-dimensional, and the tangential of two mating surfaces is radial certain angle with axis of rotation center, and the tangential of a mating surface is radial certain angle with axis of rotation center, realizes the effectiveness of moment transfer, provides ideal and transmits the effect, realizes perfect operation.
The circumference external diameter of the bowl-shaped three-dimensional inner side surface 26 is smaller than the excircle Zhou Waijing at the end part of the octagonal three-dimensional interface body 2, and torque transfer and operation are not affected.
The positioning grooves 8 which are uniformly distributed on the circumference are designed into an opening shape, the positioning convex points 23 are designed into a sphere shape, the positioning function is achieved, meanwhile, the shock absorption operation and the buffering function are effectively achieved in the high-speed operation process, the structural damage caused by the frequent swing impact stress of the structural function is reduced, and the reliability of products is improved.
The three-dimensional enhancement pressure pad 3 is designed to be universal, and in principle, an independent customer can be provided with one saw blade, so that the saw blade is suitable for the whole series of combined multifunctional saw blades, the benefit of the customer is maximized, and the cost of the manufacturer is relatively reduced.
The tool has a drive device which swings about a drive shaft. The shape and the size of the matching part of the octagonal three-dimensional interface 16 and the tool interface are solidified, and the shape and the size of the three-dimensional reinforcing pressing pad 3 are solidified, so that the octagonal three-dimensional interface body 2 is commonly provided. The center axial center of the mounting hole 13 in the stereo reinforcing press pad 3 coincides with the axial center line of the stereo reinforcing press pad 3. The saw blade body 1 and the octagonal three-dimensional interface body 2 can be combined and formed by more preferentially one piece, are provided with saw handle transition parts 6 and are matched with three-dimensional reinforcing press pads 3. The saw blade body 1 is provided with a combined structure, a more preferential one-piece structure, and is provided with a certain redundancy size of transition parts for executing and meeting different market function and application requirements, is not limited to straight plane shapes, bent shapes and the like, and is provided with three-dimensional reinforcing ribs 15 in a bent shape. The circumference of the central hole 10 is communicated with the positioning grooves 8 and is embodied on the circular arc of the head part of each positioning groove 8.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (5)
1. A combined multifunctional saw blade comprising a blade body (1) for cutting, characterized in that: the device also comprises an octagonal three-dimensional interface body (2) for connecting the saw blade body (1), and a three-dimensional reinforcing pressure pad (3) for fixing the octagonal three-dimensional interface body (2) on a driving shaft (33) of a tool; the saw blade body (1) is fixed with the octagonal three-dimensional interface body (2), and the octagonal three-dimensional interface body (2) is fixed on a driving shaft (33) of the tool through a three-dimensional reinforcing pressing pad (3) so that the swing center of the combined multifunctional saw blade is matched with the axis of the driving shaft (33) of the tool;
the octagonal three-dimensional interface body (2) is provided with an octagonal three-dimensional interface (16) matched with a driving shaft (33) of the tool, an inner matched pressing surface (17) matched with the three-dimensional enhanced pressing pad (3) and an outer matched pressing surface (18) matched with the tool;
The octagonal three-dimensional interface (16) is provided with a positioning groove (8), a positioning hole (9) and a central hole (10);
The positioning grooves (8) are radially and uniformly distributed around the center of the octagonal three-dimensional interface (16), and the center lines of the eight positioning grooves (8) are respectively matched with the center lines of the eight octagonal three-dimensional interfaces (11) on the same plane;
The positioning holes (9) are arranged at the opening end of the positioning groove (8), each positioning hole (9) is distributed on two sides of the positioning groove (8) in a two-section arc shape on the circumference of the same circle, the centers of the positioning holes (9) are positioned on the central line of the positioning groove (8), the centers of all the positioning holes (9) are positioned on the same circumference, and the centers of the circumferences are consistent with the centers of the octagonal three-dimensional interfaces (16);
wherein, the center hole (10) is consistent with the center of the octagonal three-dimensional interface (16);
The three-dimensional reinforced pressing pad (3) is provided with a mounting hole (13), a positioning convex point (23) and a positioning convex surface (24);
The positioning convex points (23) are circumferentially and uniformly distributed around the mounting hole (13), the circumferential diameter of the positioning convex points is the same as the circumferential diameter of the positioning hole (9) on the octagonal three-dimensional interface body (2), the center of each positioning convex point (23) is respectively matched with the center of the positioning hole (9), and the outer diameter of each positioning convex point (23) is slightly smaller than the diameter of the positioning hole (9) so that the positioning convex point (23) falls into the positioning hole (9);
The positioning convex surface (24) is in a solid circular shape, the axial center line of the positioning convex surface (24) is matched with the center line of the solid reinforcing pressure pad (3), and the outer diameter of the positioning convex surface (24) is slightly smaller than the diameter of the central hole (10) on the octagonal solid interface body (2) so that the positioning convex surface (24) falls into the central hole (10);
The saw blade body (1) and the octagonal three-dimensional interface body (2) are of a combined structure or an integrated structure.
2. The combination type multifunctional saw blade according to claim 1, wherein: the octagonal three-dimensional interface (16) is provided with four groups of octagonal three-dimensional interfaces (11) with equal circumference around the center of the interface, eight groups of two are identical in shape;
Wherein, each octagonal three-dimensional (11) is provided with three matching surfaces with the same shape, among the three matching surfaces of each octagonal three-dimensional (11), the tangential direction of two matching surfaces forms an included angle with the central axial direction of the octagonal three-dimensional interface (16), and the tangential direction of one matching surface forms an included angle with the central radial direction of the octagonal three-dimensional interface (16);
Wherein, two groups of octagon solid (11) are symmetrical with respect to the center of the octagon solid interface (16), each octagon solid (11) in two groups of octagon solid (11) is symmetrical with respect to the center of the octagon solid interface (16), and three matching surfaces in two octagon solid (11) with central symmetry are symmetrical with respect to the center of the octagon solid interface (16).
3. The combination type multifunctional saw blade according to claim 1, wherein: the three-dimensional reinforcing pressing pad (3) is provided with a bowl-shaped three-dimensional outer matching pressing surface (25) and a bowl-shaped three-dimensional outer matching inner side surface, and the axial central lines of the bowl-shaped three-dimensional outer matching pressing surface (25) and the bowl-shaped three-dimensional outer matching inner side surface are matched with the axial central line of the three-dimensional reinforcing pressing pad (3);
The bowl-shaped three-dimensional external fit compression surface (25) comprises a three-dimensional upper plane, a three-dimensional middle plane, a three-dimensional lower plane and a conical three-dimensional plane (27), the connection parts of all planes are excessive in round angle, the outer circumferential diameter of the three-dimensional upper plane is slightly smaller than the circumferential diameter of the external fit compression surface (18) of the octagonal three-dimensional interface body (2), and the three-dimensional middle plane is provided with a positioning convex point (23); the positioning convex surface (24) is higher than the positioning convex point (23) on the three-dimensional middle plane, and when the three-dimensional enhancement pressure pad (3) is matched with the octagonal three-dimensional interface body (2), the positioning convex surface (24) is positioned in the central hole (10);
Wherein, the bowl-shaped three-dimensional outer matching inner side surface is positioned on the reverse side of the bowl-shaped three-dimensional outer matching compression surface (25), and the bowl-shaped three-dimensional outer matching inner side surface is provided with an interface locking concave surface (12).
4. The combination type multifunctional saw blade according to claim 1, wherein: the octagonal three-dimensional interface body (2) is provided with a saw handle transition part (6), and the octagonal three-dimensional interface body (2) is fixed with the saw blade body (1) through the saw handle transition part (6); the saw handle transition part (6) is provided with a transition part, the transition part is in a straight plane shape or a bent shape, and when the saw handle transition part is in the bent shape, a three-dimensional reinforcing rib is arranged.
5. The combination type multifunctional saw blade according to claim 1, wherein: the combined multifunctional saw blade is matched with a handheld tool, and the tool is provided with a driving device which swings around a driving shaft.
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| CN201910765722.9A CN110394498B (en) | 2019-08-19 | 2019-08-19 | Combined multifunctional saw blade and manufacturing method thereof |
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| CN201910765722.9A CN110394498B (en) | 2019-08-19 | 2019-08-19 | Combined multifunctional saw blade and manufacturing method thereof |
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| CN112276234B (en) * | 2020-10-21 | 2023-03-21 | 海联锯业科技有限公司 | Hard alloy saw blade and processing technology thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211162190U (en) * | 2019-08-19 | 2020-08-04 | 海联锯业科技有限公司 | Combined multifunctional saw blade |
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| CA2060301A1 (en) * | 1991-01-30 | 1992-07-31 | Marc Octave Rene Ghislain Buyens | Saw blade drive |
| US7980324B2 (en) * | 2006-02-03 | 2011-07-19 | Black & Decker Inc. | Housing and gearbox for drill or driver |
| CN201519809U (en) * | 2009-09-18 | 2010-07-07 | 苏州宝时得电动工具有限公司 | Straight saw blade tool |
| DE102010012019A1 (en) * | 2010-03-12 | 2011-09-15 | C. & E. Fein Gmbh | parting tool |
| CN102259328B (en) * | 2010-05-28 | 2014-07-30 | 南京德朔实业有限公司 | Adapter for adapting working component to shaft end of power tool |
| CN102294682B (en) * | 2010-06-25 | 2014-06-11 | 南京德朔实业有限公司 | Working component capable of being fit with various shaft ends |
| CN202114347U (en) * | 2011-05-24 | 2012-01-18 | 胡继宁 | Saw web group and circular sawing machine with same |
| CN105234903B (en) * | 2011-11-11 | 2021-08-10 | 苏州宝时得电动工具有限公司 | Working head |
| US9751176B2 (en) * | 2014-05-30 | 2017-09-05 | Black & Decker Inc. | Power tool accessory attachment system |
| CN105904414B (en) * | 2016-06-24 | 2018-09-07 | 扬州昇业机械有限公司 | A kind of Multifunctional rocking dynamic formula quick-loading tool head |
| US20180036900A1 (en) * | 2016-08-02 | 2018-02-08 | Cuz-D Manufacturing, Inc., Dba Cuzdey R&D | Arbors for circular saws and associated systems and methods |
| CN109421030B (en) * | 2017-08-31 | 2022-12-06 | 苏州宝时得电动工具有限公司 | Working head, adapter and swing power tool with working head and adapter respectively |
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