CN219745002U - Powder pulverizer - Google Patents

Abstract

The utility model relates to the field of powder crushing equipment, in particular to a powder crusher, which comprises a barrel, wherein a crushing rod is rotatably arranged on the barrel, the barrel comprises a material waiting layer and a crushing layer, a feeding hole is formed in the top of the material waiting layer, the material waiting layer is positioned above the crushing layer, the diameter of the material waiting layer is larger than that of the crushing layer, an impact plate and an auger are arranged on the crushing rod, the impact plate is positioned below the material waiting layer and positioned below the feeding hole, and the auger is abutted with the inner wall of the crushing layer; when the powder crusher is used for crushing, powder caking firstly passes through the crushing of the impact plate and then enters the crushing layer to be crushed by the auger; the size of the powder caking is reduced through the crushing of the impact plate, so that the possibility that the auger cannot drive the large-size powder caking to crush so as to influence the crushing efficiency of the auger is reduced.

Description

Powder pulverizer

Technical Field

The utility model relates to the field of powder crushing equipment, in particular to a powder crusher.

Background

Food additives, which are chemical synthetic or natural substances added to foods for improving the quality and color, aroma, taste of the foods and for preserving and processing needs; since the raw materials of the food additive are mostly granular or powdery, a plurality of raw materials need to be mixed in the production process of the food additive, and since part of raw materials are oily raw materials, caking can be generated in the process of mixing with other raw materials, and the agglomerated raw materials need to be crushed again before entering the next working procedure.

At present, referring to fig. 1, a common powder crusher comprises a cylinder 1, a crushing motor 18 is arranged on the cylinder 1, an auger 5 is arranged on the crushing motor 18, the cylinder 1 comprises a material waiting layer 11, a crushing layer 12 and a transition layer 13, the diameter of the material waiting layer 11 is larger than that of the auger 5, the inner wall of the crushing layer 12 is abutted to the auger 5, raw materials are led into the cylinder 1 when in use, enter the crushing layer 12 from the material waiting layer 11, and the auger 5 is driven to crush the agglomerated raw materials through the crushing motor 18.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: in order to facilitate adding more raw materials once and reducing the frequency of manual feeding, the diameter of the material layer 11 is often far greater than the diameter of the auger 5, the inclination angle of the transition layer 13 is smaller, after the raw materials enter the material layer 11, the raw materials are accumulated on the transition layer 13, along with the rotation of the auger 5, the auger 5 drives the raw materials to enter the crushing layer 12 for crushing, but partial large-volume caking is not easy to enter the crushing layer 12 along with the rotation of the auger 5, so that the larger caking stays in the transition layer 13 for a longer time, the auger 5 is influenced to drive other raw materials to enter the crushing layer 12, and breakage occurs in the crushing process of the auger 5, so that the crushing efficiency of the auger 5 is influenced.

Disclosure of Invention

In order to improve the crushing efficiency of powder, the utility model provides a powder crusher.

The utility model provides a powder pulverizer, which adopts the following technical scheme:

the utility model provides a powder rubbing crusher, includes the barrel, it is provided with broken pole to rotate on the barrel, be provided with on the barrel and be used for driving broken pole pivoted first driving piece, the barrel is including waiting material layer and broken layer, the feed inlet has been seted up at the top of waiting the material layer, it is located to wait the material layer the top of broken layer, it is greater than to wait the diameter of material layer the diameter of broken layer, be provided with counterattack board and auger on the broken pole, the counterattack board is located wait the material layer and be located the below of feed inlet, the auger with the inner wall butt of broken layer.

By adopting the technical scheme, before the raw materials are poured, the first driving piece is started, the first driving piece drives the crushing rod to rotate, and the crushing rod rotates to drive the impact plate and the auger to rotate; then feeding the powder into the cylinder through the feeding hole, and enabling the powder agglomerates to sequentially pass through the waiting layer and the crushing layer, wherein when the powder agglomerates pass through the waiting layer, the impact plate impacts the powder agglomerates, so that the powder agglomerates are primarily crushed, and the possibility that the large-size powder agglomerates enter the crushing layer is reduced; powder caking after the impact plate is broken falls into the crushing layer, carries out secondary crushing to powder through the auger to reduce the possibility that the auger is influenced to the powder caking of jumbo size and other powder caking drive to carry out crushing, improved the stirring efficiency of auger.

Preferably, a filter screen is arranged at the bottom of the material waiting layer, the material waiting layer and the crushing layer are separated by the filter screen, and the crushing rod passes through the filter screen.

By adopting the technical scheme, the small-size powder agglomerates enter the crushing layer through the filter screen, and the large-size powder remains in the waiting layer, so that the impact plate can crush the large-size powder agglomerates again.

Preferably, the filter screen is arranged on the inner wall of the material layer in a reciprocating sliding manner, the sliding direction of the filter screen is parallel to the length direction of the crushing rod, and a second driving piece for driving the filter screen to slide in a reciprocating manner is arranged on the cylinder.

By adopting the technical scheme, the second driving piece drives the filter screen to slide reciprocally, so that the filter screen can slide reciprocally to facilitate small-sized powder agglomeration to pass through the filter screen quickly, the influence of the filter screen on blanking efficiency is reduced, and the possibility of blocking the filter screen is also reduced; when the filter screen slides reciprocally, the filter screen throws the large-size powder agglomerates received on the filter screen upwards, so that the impact plate is convenient for crushing the large-size powder agglomerates again.

Preferably, the second driving piece comprises a cylinder arranged on the outer wall of the material layer, a connecting rod is arranged on the filter screen, a notch is formed in the side wall of the material layer, the connecting rod extends out of the notch, and the connecting rod is arranged on a piston rod of the cylinder.

By adopting the technical scheme, the cylinder is started, and the piston rod of the cylinder slides back and forth, so that the connecting rod is driven to slide, and the filter screen is driven to slide, and the operation is simple and convenient; meanwhile, the cylinder is simple in structure and convenient to install and maintain.

Preferably, a protective cover is arranged on the outer wall of the material waiting layer, and the air cylinder and the notch are both positioned in the protective cover.

By adopting the technical scheme, the protective cover separates the notch from the outside, so that the possibility of powder diffusing from the notch to the external environment is reduced; meanwhile, the protective cover separates the air cylinder from the outside, so that the possibility of personnel injury caused by the air cylinder in the reciprocating sliding process is reduced, and the safety of the powder crusher is improved.

Preferably, the side wall of the notch is slidably provided with an abutting block, the sliding direction of the abutting block is parallel to the sliding direction of the filter screen, the abutting block is provided with two abutting blocks, the two abutting blocks are respectively located on the upper side and the lower side of the connecting rod and are abutted to the connecting rod, and the material waiting layer is further provided with an elastic piece for enabling the abutting block to be in abutting connection with the connecting rod.

Through adopting above-mentioned technical scheme, at the gliding in-process of connecting rod, make the butt piece all the time with the connecting rod butt through the elastic component to make the breach seal, reduced the possibility that powder from breach department diffusion, improved the utilization ratio of powder raw materials.

Preferably, the elastic piece comprises a spring, the spring is slidably arranged in the notch, one end of the spring is arranged on the abutting block, the other end of the spring is arranged on the side wall of the notch, and the expansion direction of the spring is parallel to the sliding direction of the abutting block.

By adopting the technical scheme, the spring has the characteristic of high deformation speed, and is convenient for the abutting block to abut against the connecting rod in the reciprocating sliding of the connecting rod; meanwhile, the spring is simple in structure and convenient to maintain and replace.

Preferably, a plurality of protrusions are arranged on the inner wall of the material layer, and the protrusions are pointed cone-shaped.

Through adopting above-mentioned technical scheme, when the impact plate is broken to the jumbo size powder caking, the jumbo size powder caking is strikeed to the inner wall of waiting the bed of material, has reduced the powder caking through the arch and has waited the area of contact of bed of material inner wall to the impact has been strengthened the crushing effect of striking to the powder caking, has further improved the crushing effect of powder rubbing crusher.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. when the powder crusher is used for crushing, powder caking firstly passes through the crushing of the impact plate and then enters the crushing layer to be crushed by the auger; the size of the powder caking is reduced through the crushing of the impact plate, so that the possibility that the auger cannot drive the large-size powder caking to crush so as to influence the crushing efficiency of the auger is reduced.

Drawings

Fig. 1 is a sectional view of a conventional powder mill.

Fig. 2 is a schematic view of the overall structure of the powder pulverizer.

Fig. 3 is a cross-sectional view of the powder pulverizer.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Reference numerals illustrate: 1. a cylinder; 11. a material layer is to be formed; 12. crushing the layer; 13. a transition layer; 2. a breaker bar; 3. a feed inlet; 4. a counterattack plate; 5. an auger; 6. a filter screen; 7. a cylinder; 8. a connecting rod; 9. a notch; 10. a protective cover; 14. an abutment block; 15. a spring; 16. a protrusion; 17. a discharge port; 18. and a crushing motor.

Detailed Description

The utility model is described in further detail below with reference to fig. 2-4.

The embodiment of the utility model discloses a powder pulverizer. Referring to fig. 2, the powder crusher comprises a cylinder 1, a crushing rod 2 rotates in the cylinder 1, two feed inlets 3 are formed in the top of the cylinder 1, a discharge outlet 17 is formed in the bottom of the cylinder 1, a first driving piece for driving the crushing rod 2 to rotate is arranged at the top of the cylinder 1, in the embodiment of the utility model, the first driving piece is a crushing motor 18 fixedly arranged at the top of the cylinder 1, and the crushing rod 2 is coaxially arranged on an output shaft of the crushing motor 18; when the caking powder is crushed, the caking powder is added into the cylinder body 1 through the feed inlet 3, the crushing motor 18 is started again, the crushing motor 18 drives the crushing rod 2 to rotate, and the crushing rod 2 rotates to crush the caking material.

Referring to fig. 3, the barrel 1 is sequentially divided into a material layer 11, a transition layer 13 and a crushing layer 12 from top to bottom, the material layer 11 is located above the crushing layer 12, the material layer 11 and the crushing layer 12 are connected through the transition layer 13, the diameter of the material layer 11 is larger than that of the crushing layer 12, the feeding hole 3 is formed in the top of the material layer 11, the discharging hole 17 is formed in the bottom of the crushing layer 12, the impact plate 4 and the auger 5 are fixedly mounted on the crushing rod 2, the impact plate 4 is mounted on the crushing rod 2, the impact plate 2 is located at the material layer 11 and below the feeding hole 3, the auger 5 is mounted on the crushing rod 2, the transition layer 13 and the crushing layer 12, and the auger 5 is in butt joint with the inner wall of the crushing layer 12.

When the feeding port 3 feeds the material into the cylinder body 1, the agglomerated powder sequentially passes through the impact plate 4 and the auger 5, and the agglomerated powder is crushed by the impact of the impact plate 4 on the agglomerated powder, so that the possibility that the agglomerated powder is crushed by the auger 5 due to the influence of large-size powder agglomeration falling onto the transition layer 13 is reduced; after the impact plate 4 is broken, the powder agglomerates are further broken through the extrusion of the auger 5 and the inner wall of the breaking layer 12, so that the breaking efficiency of the auger 5 is improved.

Referring to fig. 3, a filter screen 6 is slidably connected to the bottom of the material waiting layer 11, the material waiting layer 11 and the crushing layer 12 are separated by the filter screen 6, the crushing rod 2 passes through the filter screen 6, the sliding direction of the filter screen 6 is parallel to the length direction of the crushing rod 2, the filter screen 6 slides reciprocally on the inner wall of the material waiting layer 11, and a second driving member for driving the filter screen 6 to slide reciprocally is further arranged on the material waiting layer 11; the second driving piece comprises an air cylinder 7 fixedly arranged on the outer wall of the material waiting layer 11, a connecting rod 8 is fixedly connected to the filter screen 6, a notch 9 is formed in the side wall of the material waiting layer 11, and the connecting rod 8 extends out of the material waiting layer 11 from the notch 9 and is fixedly connected with a piston rod of the air cylinder 7.

The filter screen 6 limits large-size agglomerations to enter the transition layer 13, so that part of powder agglomerations which are not crushed by the impact plate 4 fall on the filter screen 6, the impact plate 4 is convenient to crush the powder again, the accumulation of the powder on the transition layer 13 is reduced, and the next step of crushing of the auger 5 is convenient; when the powder grinder is used for grinding, the air cylinder 7 is started, the air cylinder 7 drives the connecting rod 8 to slide reciprocally, the connecting rod 8 drives the filter screen 6 to slide reciprocally, and the filter screen 6 slides to drive the powder agglomeration carried on the filter screen 6 to be thrown upwards so that the impact plate 4 breaks the powder agglomeration again, and therefore the breaking effect of the impact plate 4 is improved.

Referring to fig. 3 and 4, a protective cover 10 is fixedly connected to the outer wall of the material layer 11, and the air cylinder 7 and the notch 9 are both positioned in the protective cover 10; the side wall of the notch 9 is provided with two abutting blocks 14 in a sliding manner, the sliding direction of the abutting blocks 14 is parallel to the sliding direction of the filter screen 6, the connecting rod 8 is a square rod, the two abutting blocks 14 are respectively positioned at two sides of the connecting rod 8 and abut against the connecting rod 8, and an elastic piece for enabling the abutting blocks 14 to keep abutting against the connecting rod 8 is further arranged on the material layer 11; in the embodiment of the utility model, the elastic piece is a spring 15, the spring 15 is positioned in the notch 9, one end of the spring 15 is fixedly connected to the abutting block 14, the other end of the spring 15 is fixedly connected to the side wall of the notch 9, the expansion and contraction direction of the spring 15 is parallel to the sliding direction of the abutting block 14, and the spring 15 is always in a compressed state.

The protective cover 10 separates the air cylinder 7 and the notch 9 from the outside, so that the possibility of personnel injury caused by the air cylinder 7 in the reciprocating sliding process is reduced, and the safety of the powder pulverizer is improved; at the same time, the possibility of powder diffusing from the notch 9 to the outside is reduced; in the process that the cylinder 7 drives the connecting rod 8 to slide, as the spring 15 is always in a compressed state, the acting force of the spring 15 to the abutting block 14 enables the abutting block 14 to be always abutted on the connecting rod 8, and the gap 9 is sealed by the upper abutting block 14 and the lower abutting block 14, so that the possibility of powder diffusing from the gap 9 is reduced, the waste of raw materials is reduced, and the utilization rate of the raw materials is improved.

Referring to fig. 3, a plurality of protrusions 16 are fixedly arranged on the inner wall of the material layer 11, the protrusions 16 are pointed, and the tips of the protrusions 16 are opposite to the crushing rod 2; during blanking, the impact of the impact plate 4 on the caking powder enables the caking powder to impact on the side wall of the material layer 11, the contact area between the caking powder and the side wall of the material layer 11 is reduced through the protrusions 16, and then the crushing effect of the caking powder is improved.

The implementation principle of the powder pulverizer of the embodiment of the utility model is as follows: starting a crushing motor 18, wherein the crushing motor 18 drives a crushing rod 2 to rotate, the crushing rod 2 drives a counterattack plate 4 and a packing auger 5 to rotate, and then agglomerated powder is conveyed into a cylinder 1 through a feed inlet 3, when the agglomerated powder passes through a material waiting layer 11, the counterattack plate 4 impacts powder agglomerates to crush the powder agglomerates and impact the side wall of the material waiting layer 11, and a bulge 16 arranged on the side wall of the material waiting layer 11 improves the impact effect and further crushes the powder agglomerates; powder agglomerations which are not crushed to the required size are received on the filter screen 6, the filter screen 6 is driven to slide back and forth by the air cylinder 7, and the filter screen 6 slides back and forth, so that the powder agglomerations received on the filter screen 6 are continuously thrown up so as to be convenient for the impact plate 4 to crush; simultaneously, the filter screen 6 slides to enable powder agglomerations meeting the size requirement to rapidly enter the crushing layer 12 through the filter screen 6, and the powder agglomerations are secondarily crushed through the auger 5; in the process, the powder caking is pre-crushed through the impact plate 4, so that the possibility that the large-size powder caking is accumulated on the transition layer 13 is reduced, the possibility that the auger 5 drives the powder to crush is further reduced, and the crushing effect of the powder crusher is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a powder rubbing crusher, includes barrel (1), it is provided with broken pole (2) to rotate on barrel (1), be provided with on barrel (1) be used for driving broken pole (2) pivoted first driving piece, barrel (1) is including waiting material layer (11) and broken layer (12), feed inlet (3) have been seted up at the top of waiting material layer (11), wait material layer (11) to be located the top of broken layer (12), wait the diameter of material layer (11) to be greater than the diameter of broken layer (12), a serial communication port, be provided with on broken pole (2) and counterattack board (4) and auger (5), counterattack board (4) are located wait material layer (11) and be located the below of feed inlet (3), auger (5) with the inner wall butt of broken layer (12).

2. The powder pulverizer as set forth in claim 1, wherein: the bottom of waiting for the bed of material (11) is provided with filter screen (6), wait for the bed of material (11) with broken layer (12) are separated through filter screen (6), broken pole (2) pass filter screen (6).

3. The powder pulverizer as set forth in claim 2, wherein: the filter screen (6) is arranged on the inner wall of the material waiting layer (11) in a reciprocating sliding mode, the sliding direction of the filter screen (6) is parallel to the length direction of the crushing rod (2), and a second driving piece for driving the filter screen (6) to slide in a reciprocating mode is arranged on the cylinder body (1).

4. A powder mill according to claim 3, wherein: the second driving piece is in including setting up treat cylinder (7) of bed of material (11) outer wall, be provided with connecting rod (8) on filter screen (6), treat on the lateral wall of bed of material (11) notch (9) have been seted up, connecting rod (8) follow notch (9) stretch out, connecting rod (8) set up on the piston rod of cylinder (7).

5. The powder pulverizer of claim 4, wherein: a protective cover (10) is arranged on the outer wall of the waiting layer (11), and the air cylinder (7) and the notch (9) are both positioned in the protective cover (10).

6. The powder pulverizer of claim 4, wherein: the side wall of the notch (9) is provided with an abutting block (14) in a sliding mode, the sliding direction of the abutting block (14) is parallel to the sliding direction of the filter screen (6), the abutting block (14) is provided with two blocks, the two abutting blocks (14) are respectively located on the upper side and the lower side of the connecting rod (8) and are abutted to the connecting rod (8), and an elastic piece used for enabling the abutting block (14) to be in abutting connection with the connecting rod (8) is further arranged on the waiting layer (11).

7. The powder pulverizer as set forth in claim 6, wherein: the elastic piece comprises a spring (15), the spring (15) is arranged in the notch (9) in a sliding mode, one end of the spring (15) is arranged on the abutting block (14), the other end of the spring (15) is arranged on the side wall of the notch (9), and the extending direction of the spring (15) is parallel to the sliding direction of the abutting block (14).

8. The powder pulverizer as set forth in claim 1, wherein: a plurality of bulges (16) are arranged on the inner wall of the waiting layer (11), and the bulges (16) are pointed cone-shaped.