WO2010079996A2

WO2010079996A2 - Structure for installing screen in mill grinder

Info

Publication number: WO2010079996A2
Application number: PCT/KR2010/000134
Authority: WO
Inventors: 박금자
Original assignee: Park Keum Ja
Priority date: 2009-01-09
Filing date: 2010-01-08
Publication date: 2010-07-15
Also published as: KR101026358B1; KR20090011041A; WO2010079996A3

Abstract

The present invention relates to a structure for installing screens in a mill that grinds grains such as rice, barley, bean, and wheat and medicinal ingredients such as herbs and charcoal, and particularly to a structure that enables easy exchange (or replacement) of worn or damaged screens without the need for tools, and wherein the grinding part and screen have extended lengths to double productivity.

Description

Mesh installation structure of grinder

The present invention relates to a mesh installation structure of the pulverizer, and in particular, it is possible to easily exchange (replacement) without wear and damage of the net body by use, and to increase the grinding capacity by increasing the grinding capacity by configuring the pulverized portion and the net body to improve productivity It is.

In general, grains such as rice, barley, soybeans, wheat, etc., or herbal medicines (hereinafter, referred to as 'pulverized matter'), such as pulverized powder, are pulverized into powders of a predetermined particle size to be useful or necessary. Grinders are widely used as a means to powder water.

In general pulverizer, the pulverized material from the upper hopper is transferred to the grinding chamber, and the motor and power transmission means repeatedly collide and scatter the grinding blade rotating at a high speed at a speed of 3,000 to 5,000 RPM and the inner edge of the fixed grinding chamber. While finely pulverized and powdered, the pulverized powder is discharged to the powder outlet through only the powder having a predetermined particle size through the mesh installed in the lower part of the grinding chamber.

The grinding blade generates a wind pressure (strong air flow or movement) together with the centrifugal force by the high speed rotation. Therefore, in order to separate the powder from the wind pressure generated during the crushing process, the powder is discharged by installing a bag-type bag treated with a rubber band at the powder outlet of the pulverizer.

Then, when the pulverized powder is filled in the bag-shaped bag, the grinder is stopped, and then the bundled rubber band is released to separate and collect the powder filled in the bag. The pulverizer is continued by operating the grinder with the bag sealed.

In this case, it is not only cumbersome to loosen and tie the rubber band to the end of the bag, and to stop the grinder to collect the pulverized powder. There is a concern that this is unsanitary, there is no continuity of the grinding operation, such as low productivity.

On the other hand, in order to solve the problem of the pulverizer by separating the powder and the wind pressure to continuously collect the powder is easy to separate the collection work of the powder as well as hygienic and continuous crushing operation is possible to improve the productivity from the 'crusher Applicant and inventor filed a utility model registration (No. 20-2006-0014279) by the applicant and inventor of the separate collection device (hereinafter referred to as 'powder collection device') of pulverized powder. It was registered as Utility Model Registration No. 20-424346.

In addition, the net body for separating and discharging the pulverized powder is a consumable that is worn and damaged by use, so frequent replacement is required, and in the past, it is difficult to replace and difficult structure, resulting in cost and time, the length of the high-speed rotating body and net There was a problem that the shorter grinding section is shorter because the productivity is low.

It is an object of the present invention to easily replace a consumable net that is installed outside or at the bottom of a grinding chamber without a tool.

Another object of the present invention is characterized in that it is possible to firmly support the network using a support that is installed shaft.

Another object of the present invention is characterized in that the productivity is improved by extending the length of the grinding section and the mesh to extend the grinding section.

Still another object of the present invention is to provide a bag-shaped bag through which air passes and powder does not pass through one end of the grinder to more effectively remove the unnecessary wind pressure generated during the grinding process.

The present invention provides a pulverizer for pulverizing a pulverized product by axially mounted in a drum pulverizing chamber, a plurality of crushing blades provided on an outer circumference of the axial rod, and rotating the axial rod to rotate a plurality of pulverizing blades at high speed;

A plurality of grinding grooves formed in the upper drum, a blocking plate which is tightly fixed to the upper portion of the drum to block the grinding groove, a plurality of discharge holes formed in the lower drum, and a net body positioned outside the discharge hole and surrounding the discharge hole And a plurality of supports formed in a narrow width between the plurality of discharge holes to suppress the movement of the net in the grinding chamber direction, and a support 19 supporting the net to allow the net to be in close contact with the outer surface of the support. do.

The support is formed with a discharge hole and a connection portion having the same size and the same width at a position corresponding to the discharge hole and the support portion formed in the lower drum, the locking member is fixed to the front and rear ends of the support, the upper locking bar installed on both side plates A rear end engaging member in the rear end, the front end engaging member being caught and released by the rotational state of the engaging piece installed at the front end on both side plates, a rotating rod axially mounted on the both side plates, and the engaging piece being fixed, and one side plate Rotating piece is fixed to the end of the rotating rod protruding by a screw rod, the screw rod is axially coupled to the other side of the rotating piece, and the screw rod and the butterfly nut is loosely fitted to the fixing piece provided on the side plate outer surface.

The front opening of the crushing unit is provided with an opening and closing door that can be opened and closed when replacing the mesh. The opening and closing door is a screw rod is fastened to the upper part of the crushing unit front plate, the fixing member formed with a recessed groove is fixed to the top of the opening and closing door, the handle can be opened and closed on the front of the opening and closing door Is fixed, and a packing member is joined to the rear edge portion of the opening and closing door to maintain airtightness.

The present invention has the effect that the means for fastening the network support is composed of a butterfly nut and the like can easily replace the network without a tool.

In addition, the present invention is made of stainless steel, etc., hygienic and long life, and the overall height is low (lower 1,500 mm height to about 1,100 mm) there is an effect that the pulverized material is easy to insert.

In addition, the present invention is a very useful invention that has the effect of effectively removing the unnecessary wind pressure discharged to the powder outlet by the air separation bag installed at one end of the grinder.

1 is a cross-sectional view showing an example of the present invention.

2 is a cross-sectional view showing an example of the present invention.

3 is an exploded perspective view showing a crush unit shown as an example of the present invention.

Figure 4 is a perspective view of the crushing unit shown as an example of the present invention, the door opening and closing state.

Figure 5 is a perspective view of the crushing unit shown as an example of the present invention, the door opening and closing state.

6 is a cross-sectional view of the present invention FIG.

7 is a cross-sectional view of a state replacing the net body in the present invention.

8 is an exploded perspective view of a separator shown as an example of the present invention.

(1)-crusher (2)-body

(3)-grind (4)-hopper

(5)-Inverter Motor (6)-Transfer Screw

(7)-crushing part (8)-separating part

(9)-basket (10)-drum

(11)-crushing chamber (12)-crushing groove

(13)-Blocking Plate (14)-Exhaust Hole

(15)-Powder (16)-Manche

(17)-support (18)-pore (powder discharge hole)

(19)-support (20) (21)-side plate

(22) (66)-Shaft (23)-Grinding Blade

(24)-Agency (25)-Key

(26) (28)-Pulley (27)-Inverter Motor

(29)-Belt (30)-Ejector

(31)-connection (32)-locking rod

(33) (35)-Hanging member (34)-Janging

(36)-Rotating Rod (37)-Rotating

(38) (48)-Navinut (39) (49)-Screw

(40)-Fixed (41)-Quality Institution

(42)-Granch (43)-Outlet

(44)-Open Department (45)-Open Door

(46)-Front Plate (47)-Hinge

(50)-Indentation Groove (51)-Mounting Member

(52) (68) (72)-Handle (53)-Packing Member

(54)-Horizontal Plate (55)-Inlet Pipe

(56) (61)-Hanging Part (57)-Pocket

(58) (62)-Rubber Band (59)-Cover

(60)-Induction Pipe (63)-Public

(64) (65) (67)-Bracket (69)-Extrude

(70)-O-Ring (71)-Retaining Ring

(76)-bottom plate

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the embodiments of the present invention, the same components in the drawings are denoted by the same reference numerals as much as possible, and detailed descriptions of related known configurations or functions will be omitted so as not to obscure the subject matter of the present invention.

1 is a front view and a cross-sectional view of the grinder 1 shown as an example of the present invention, Figure 3 is a cross-sectional view of the main part of the present invention.

The pulverizer 1 has a hopper 4 into which the pulverized material 3 is placed in the case or body 2, and a transfer screw 6 rotated by the inverter motor 5 in the lower part of the hopper 4. ) Is installed, and the lower part of the conveying screw 6 is provided with a crushing unit 7 for crushing and pulverizing the pulverized product 3 conveyed by the conveying screw 6 with a high-speed rotating body. The separator is provided with a separation unit (8) for separating the pulverized powder and the air pressure generated during the crushing process, a powder collection container (9) is installed below the separation unit (8), the outside air on one side of the grinding unit (7) The air supply pipe 41 is configured to be introduced into the pulverization chamber 11, and the strainer 42 is installed at the end of the air supply pipe 41 to prevent foreign substances from entering. The pulverization part is a structure blocked by both the side plate and the front plate 46, the back plate, the top plate, the front plate 46 is provided with an opening and closing door 45 so as to easily replace the mesh.

The grinding unit 7 includes a cylindrical drum 10 horizontally installed, a grinding chamber 11 formed inside the drum 10, a plurality of grinding grooves 12 formed on the drum 10, and And a blocking plate 13 which is tightly fixed to the upper portion of the drum 10 to block the grinding groove 12 to prevent the pulverized product 3 and the powder 15 from being discharged to the upper portion of the drum 10, and the drum 10. ) A plurality of discharge holes 14 formed in the lower portion, and the powder 15 of the predetermined particle size is located outside the discharge hole 14 so that the separated discharge can be wrapped around the discharge hole 14 and can be replaced and replaced A plurality of support portions 17 formed in a narrow width between the mesh 16 and the plurality of discharge holes 14 to prevent the mesh 16 from moving (rising) in the grinding chamber 11 direction; Compact pores 18 formed in the portion of the net body 16 so that powder of the particle size can be discharged, and the net body 16 supports the net body 16 so that the net body 16 can be in close contact with the outer surface of the support 17. support 19, a shaft rod 22 which is axially mounted to both

side plates

20 and 21 on which the drum 10 is fixed and penetrates the pulverization chamber 11, and a plurality of shaft rods fixed to the longitudinal outer peripheral surface of the shaft rod 22. Grinding blades 23, at least one plurality of through holes 24 formed in each grinding blade 23 so that the pulverized material 3 can move, and the rod 22 protruding out of the drum 10. A pulley 26 fixed to one side end of the key 25 is coupled to the rotation shaft of the inverter motor 27 and the pulley 28 fixed to the pulley 26 is connected to the belt 29 by a grinding chamber ( 11) The grinding blade 23 located inside is rotated at a high speed at a speed of 3,000 ~ 5,000RPM.

The small holes 18 are maintained at a size of about 0.5 to 5 mm in consideration of the size of the pulverized product 3 or powder 15, and the interval of the small holes 18 is about 5 to 30 mm.

The rotational speed of the transfer screw 6 is maintained at 5 ~ 30rpm in consideration of the kind or size of the pulverized material (3).

In the present invention, the length of the crushing unit 7, the net 16, and the support 19 can be properly extended to increase the pulverizing section, thereby improving productivity.

The drum 10 and the grinding blade 23 is spaced apart from 1mm to 5mm to prevent contact, the net 16 is a semi-circular, or a steel plate material that can be bent in a semi-circular shape by the coupling, the support ( 19) In addition, the net body 16 is a semi-circular shape so as to surround the discharge hole 14 of the lower drum 10, or is a steel sheet material that is bent in a semi-circular shape by the combination.

The support 19 is formed of a plurality of discharge holes 30 and connecting portions 31 having the same size and the same width at a position corresponding to the discharge hole 14 and the support 17 formed in the lower portion of the drum (10). At the front and rear ends, a locking member 33 which is caught on the upper side of the locking bar 32 installed on both

side plates

20 and 21, and a locking piece 34 which is axially installed on both

side plates

20 and 21. The locking member 35 which is caught or released is fixed to support the mesh 16 in close contact, and is separated from the mesh 16 when the mesh 16 is replaced.

The locking piece 34 is fixed to one side of the longitudinal outer circumferential surface of the rotating rod 36 axially installed on both

side plates

20 and 21, and a rotating piece 37 at the end of the rotating rod 36 protruding to the side plate 21. One side of the fixed piece, the other side of the rotating piece 37, the screw rod 39 to which the butterfly nut 38 is fastened axially coupled, the fixing plate 40 is installed on the outer surface of the side plate 21, the fixed piece ( 40, the screw rod 39 is loosely fitted.

A discharge port 43 is formed in the lower portion of the net body 16 so that the powder 15 discharged from the net body 16 may fall into the separating unit 8, and the net body is disposed on the front of the grinding chamber 11 or the grinding unit 7. An opening part 44 is formed to exchange 16, and the opening part 44 is provided with an opening and closing door 45.

A lower portion of the opening and closing door 45 is installed at the lower portion of the front plate 46 as a hinge 47, and a screw rod 49 to which the butterfly nut 48 is fastened is installed at the upper portion of the front plate 46, and the opening and closing door ( 45) A pair of fixing members 51 having a concave inlet groove 50 is fixed to the upper portion of the screw rod 49, and a handle 52 that can be opened and closed is fixed to the front of the opening and closing door 45. On the edge portion of the front plate 46 or the rear edge of the opening and closing door 45 in contact with the front plate 46, the packing member 53 is bonded or installed on the entire surface to maintain the airtightness, so that the outflow of powder is prevented. Is prevented.

A locking portion 56 protrudes from a lower outer circumferential surface of the inflow pipe 55 fixed to the lower portion of the outlet 43 of the horizontal plate 54, and powder 15 is formed on the inflow pipe 55 and the locking portion 56. The upper part of the bag 57 that falls and escapes only air is combined and then fixed with a rubber band 58 or the like. The lower portion of the pocket 57 is coupled to the guide tube 60 raised to the cover 59 portion and the engaging portion 61 protruding on the outer circumferential surface of the inlet tube, and then fixed to the rubber band 62.

The cover 59 covers the upper portion of the powder container 9 to be kept airtight.

A through hole 63 is formed in the induction pipe 60 to allow the powder 15 to fall, and a pair of

brackets

64 and 65 are fixed to one side of the upper surface of the cover 59, and the bracket 64 is fixed. The shaft rod (66) is fixed between the (65), the shaft rod (66) is axially installed on the bracket (67) fixed to the body (2), the handle (68) on the other upper surface of the cover (59) Fixed to lift the cover (59) around the shaft (66) is a configuration that can be separated from the powder container (9), the lower portion of the cover (59) outwardly projecting frame coupled to the powder collection container (9) 69 is formed, the O-ring 70 is coupled to the top of the protruding frame 69 to maintain the airtight between the lid 59 and the powder container (9), and fixed to the upper portion of the O-ring 70 Since the ring 71 is coupled to maintain the engaged state of the O-ring 70 and suppresses the rise, the position is maintained even when the cover 59 is separated from the powder container 9.

A handle 72 is formed in the powder container 9 so that it can be easily pulled out and put into the grinder, and is placed on the bottom surface of the bottom plate 76.

In the drawings, reference numeral 73 denotes a supply hole, 74 denotes an exhaust hole, 75 denotes a caster, 76 and 78 are doors, and 77 and 79 are door handles. 80 is a hinge, 81 is a motor fixed shaft, 82 is a belt 29 tension adjusting bolt, and 83 is a bolt 82 fastening plate.

According to the present invention configured as described above, the pulverized material 3 introduced into the hopper 4 is transferred to the pulverization chamber 11 by a feed screw 6 which rotates at a speed of 5 to 30 rpm by the inverter motor 5. The pulverized product 3 transferred to the pulverization chamber 11 is pulverized of the drum 10 by the rotational force, centrifugal force, and wind tunnel of the plurality of pulverization blades 23 rotating at high speed by the motor 27. It is pulverized and crushed and powdered while colliding with the groove 12, and the powder having a predetermined particle size (0.5 to 5 mm) is formed in the pores 18 of the mesh 16 together with the wind pressure generated when the grinding blade 23 rotates at high speed. Drop through the outlet 43, the separation unit 8 and the collecting tank (9), and most of the air discharged with the powder is separated from the powder 15 by the bag 57 as shown in FIG. In addition, the separated air is discharged out of the body 57 through the exhaust hole 74 through the bag 57.

Then, the falling powder 15 is collected into the collecting container 9, and when the powder is almost filled in the collecting container 9, the

inverter motors

5 and 27 are stopped using a controller or the like to stop grinding. Open and flip the door 78 with one or both handles 79 as shown in FIG. 2, and then lift the cover 68 while holding the handles 68 of the cover 57 while the cover 57 is raised about the shaft 66 and the collecting container is raised. It separates from (9), and in this state, the collection container 9 may be taken out from the grinder 1, and the powder 15 may be collected.

The collector (9) from which the powder (15) has been removed is placed on the bottom plate (76) in its original position and the cover (59) is lowered. While being coupled to the upper airtight (氣密) is maintained, in this state it is enough to rotate the inverter motor (5) (27) by printing.

The wind tunnel (wind pressure) generated in the grinding chamber 11 in the present invention is mainly generated by the air flowing into the grinding chamber 11 through the high speed rotational force of the grinding blade 23 and the air supply hole 41. The air supply hole 41 is provided with a strainer 42 to prevent foreign matter from entering.

In the present invention, the upper surface of the mesh 16 is supported by the support 17 of the lower drum 10, the bottom surface of the mesh 16 is supported by the support 31 of the support 19, Since the portions are connected to each other while being plural, the positional deviation and the rise or fall in the grinding chamber 11 direction are prevented.

On the other hand, when the mesh 16 is damaged or damaged due to continued use or external pressure or impact requires replacement.

In this case, conventionally, the configuration is complicated and time-consuming and difficult in the manner of separating the net body using a tool and then fastening it again using a tool, but in the present invention, it can be replaced using a butterfly nut, so it is relatively short. It can be replaced quickly and easily.

That is, in FIG. 4, the butterfly nut 48 is relaxed by opening and closing the opening and closing door 45 in the closed state as shown in FIG. 5, and then rotating or removing the nut 38 installed in the side plate 21 in the state of being relaxed or separated. As the pivot piece 37 is raised, the locking piece 34 rotates in a counterclockwise direction while the locking piece 35 of the support body 19 is released and descends downward. As a result, the net body 10, which is in close contact with the lower outer surface of the drum 10, is lowered and separated.

The separated network 10 may be lifted to the outside through the opening 44, and then replaced with a new network.

For example, the rear end catching member 35 of the support 19 is in a state of being caught on the upper end of the catching rod 32, and the entire support 19 is drooped downward with respect to the catching rod 32. A space S through which the net 16 can flow is naturally formed between the support 19 and the drum 10 which are suspended on the rod 32.

As shown in FIG. 7, a new mesh is inserted between the support 19 and the drum 10 to be introduced into the space S, and then the tip catching member 35 is caught by lifting the tip of the support 19 on which the worker is struck. (34) and then rotate the rotation piece 37 in a clockwise direction, then screw the screw rod 39 to the fixing piece 40, and then tighten the butterfly nut 38, the support 19 as shown in FIG. Since the new mesh is replaced in close contact with the lower drum (10) as the rise is achieved, easy replacement of the mesh is achieved, and then pulverized.

In the present invention, instead of the separating unit 8, the powder collecting device, which is the applicant's pre-registered utility model (No. 20-0424346), may be used below the horizontal plate 54.

The present invention is made of stainless steel or the like, hygienic and long life, and the overall height is low (lower 1500mm height to about 1,100mm) easy to insert the crushed material (3), the fastening means of the support 19 is a butterfly nut, etc. It is configured so that the net 16 can be easily replaced without tools.

Moreover, in this invention, the grinding blade which rotates at high speed, and the whole grinding | pulverization 3 thrown in by the wind tunnel are grind | pulverized and powdered.

The present invention as described above is not limited to the present embodiment and the accompanying drawings, various substitutions, modifications and changes are possible within the scope without departing from the technical spirit of the present invention, which is usually in the art It is self-evident for those who have knowledge.

The present invention relates to a mesh installation structure of a crusher that grinds grains such as rice, barley, soybeans, wheat, etc. Increasing the length of the crushing section and the mesh lengthen the productivity.

Claims

A crusher configured to pulverize a pulverized product by axially installed in a drum crushing chamber, a plurality of crushing blades provided on an outer circumference of the axial rod, and rotating the axial rod to rotate a plurality of crushing blades at high speed;

A plurality of grinding grooves 12 formed on the drum 10;

A blocking plate 13 which is tightly fixed to the upper portion of the drum 10 to block the grinding groove 12;

A plurality of discharge holes 14 formed below the drum 10;

A mesh 16 positioned outside the discharge hole 14 and surrounding the discharge hole 14;

A plurality of support parts 17 formed in a narrow width between the discharge holes 14 to prevent the net 16 from moving in the grinding chamber 11 direction;

A support 19 supporting the net body 16 such that the net body 16 can be in close contact with the outer surface of the support unit 17;

Mesh installation structure of the grinder comprising a.
The method according to claim 1;

The support 19 includes a discharge hole 30 and the connection portion 31 formed in the same size and the same width at the position corresponding to the discharge hole 14 and the support 17 formed in the lower portion of the drum (10);

Engaging members 33 and 35 fixed to the front and rear ends of the support 19;

Side plates 20 and 21 to which the drum 10 is fixed;

A catching member 33 caught on an upper portion of the catching rod 32 installed on the side plates 20 and 21;

A catching piece 34 axially installed on the side plates 20 and 21;

The catching member 35 that catches and releases the catching piece 34;

A rotating rod (36) axially mounted on the side plates (20) and (21) to which the locking piece (34) is fixed;

A rotating piece (37) fixed to an end of the rotating rod (36) protruding from the side plate (21);

A screw rod 39 axially coupled to the other side of the pivoting piece 37;

A fixing piece (40) installed on an outer surface of the side plate (21);

A screw rod and a butterfly nut loosely fitted to the fixing piece 40;

Mesh installation structure of the crusher further comprising.
The method according to claim 1 or 2;

Opening and closing door 45 is installed on the grinding chamber front plate 46;

A screw rod 49 being axially installed on the front plate 46;

A butterfly nut 48 fastened to the screw rod 49;

Concave groove 50 of the fixing member 51 formed on the opening and closing door 45 so that the screw rod 49 is coupled;

A handle 52 installed on the front of the opening / closing door 45;

A packing member 53 joined to the rear edge portion of the opening / closing door 45;

Mesh installation structure of the crusher further comprising.