CN221288169U - Air current crushing classifying mill - Google Patents

Abstract

The utility model discloses an air-jet crushing classifying mill, which comprises a bracket, wherein a raw material tank is fixedly connected inside the bracket, a crushing shaft is rotatably sleeved inside the raw material tank, a plurality of crushing cutters are fixedly connected outside the crushing shaft, a material conveying cylinder is fixedly connected inside the bracket, a material outlet bin is communicated between the material conveying cylinder and the raw material tank, a communicating pipe is fixedly connected inside the bracket, a material outlet pipe is fixedly connected outside the communicating pipe, a primary screening cover is fixedly connected at the bottom of the material outlet pipe, a first blanking pipe and a second blanking pipe are fixedly connected outside the communicating pipe, and a first screening cover and a second screening cover are respectively fixedly connected at the bottoms of the first blanking pipe and the second blanking pipe; the inside rotation of support is connected with first pivot, and the outside of first pivot is provided with three and beats the subassembly. The utility model can improve the crushing efficiency of the jet mill by primarily crushing the raw materials, and avoid the hardening of the raw materials; through the preliminary screening cover and the first screening cover that set up and the second screening cover can practice and sieve the raw materials after smashing.

Description

Air current crushing classifying mill

Technical Field

The utility model relates to the technical field of jet mills, in particular to a jet mill classifying mill.

Background

The jet milling technology is more and more important in the production process along with the development of industrial production and the improvement of material requirements. The jet milling has the advantages of small particle size of the milled product, reaching micron level, narrow particle size distribution, high purity, good dispersibility and the like, and is suitable for milling low-melting-point materials.

However, more raw materials are stacked in the raw material barrel and are easy to harden, so that blockage is caused, so that feeding is not smooth, and meanwhile, the crushing pressure of the jet mill is easily increased for larger-particle raw materials, so that the crushing efficiency is reduced.

Therefore, it is necessary to invent a jet mill classifying mill to solve the above problems.

Disclosure of utility model

Therefore, the utility model provides an airflow crushing classifying mill, which drives a plurality of crushing cutters to rapidly rotate in a raw material tank through a first motor, performs preliminary crushing on raw materials in the raw material tank, and can screen the crushed raw materials through a set preliminary screen cover, a first screen cover and a second screen cover so as to solve the problems in the prior art.

In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions: the jet milling classifying mill comprises a support, wherein the inner part of the support is fixedly connected with a jet mill, the inner part of the support is fixedly connected with a raw material tank, a milling shaft is rotatably sleeved in the raw material tank, the outer part of the milling shaft is fixedly connected with a plurality of milling cutters, and the top of the raw material tank is provided with a first driving component;

The inner part of the bracket is fixedly connected with a material conveying cylinder which is communicated with the jet mill, an auger rod is rotatably sleeved in the material conveying cylinder, the inner part of the bracket is fixedly connected with a second motor, the auger rod is fixedly connected with the output end of the second motor, a material outlet bin is communicated between the material conveying cylinder and a material tank, and a material discharging assembly is arranged in the material outlet bin;

The inner part of the bracket is fixedly connected with a communicating pipe, the outer part of the communicating pipe is fixedly connected with a discharging pipe, the discharging pipe is fixedly sleeved in the air flow pulverizer, the bottom of the discharging pipe is fixedly connected with a primary screening cover, the outer part of the communicating pipe is fixedly connected with a first discharging pipe and a second discharging pipe, and the bottoms of the first discharging pipe and the second discharging pipe are respectively fixedly connected with a first screening cover and a second screening cover;

The inside rotation of support is connected with first pivot, the outside of first pivot is provided with three and beats the subassembly, and three beat the subassembly and correspond with first sieve cover and second sieve cover respectively.

As a preferable scheme of the utility model, the first driving component comprises a first motor, the first motor is fixedly connected to the top of the raw material tank, a second bevel gear is fixedly connected to the outside of the output end of the first motor, a first bevel gear is fixedly connected to the top of the crushing shaft and meshed with the second bevel gear, a reduction gearbox is fixedly connected to the top of the raw material tank, the input end of the reduction gearbox is fixedly connected to the output end of the first motor, and the first rotating shaft is fixedly connected to the output end of the reduction gearbox.

As a preferable scheme of the utility model, the blanking assembly comprises a second rotating shaft, the second rotating shaft is rotatably sleeved in the discharging bin, a plurality of baffle plates are fixedly connected to the outer part of the second rotating shaft and are attached to the inner wall of the discharging bin, a first belt pulley is fixedly connected to the outer part of the output end of the second motor, a second belt pulley is fixedly connected to the outer part of the second rotating shaft, and a transmission belt is rotatably connected to the outer parts of the first belt pulley and the second belt pulley.

As the preferable scheme of the utility model, the knocking component comprises a fixed sleeve ring, wherein the fixed sleeve ring is fixedly connected to the outer part of the first rotating shaft, three soft rods are fixedly connected to the outer part of the fixed sleeve ring, and rubber hammers are fixedly connected to one ends, far away from the fixed sleeve ring, of the three soft rods.

As a preferable scheme of the utility model, the outsides of the first blanking pipe and the second blanking pipe are fixedly connected with collecting covers, the first screen cover and the second screen cover are respectively positioned in the corresponding collecting covers, the bottoms of the two collecting covers are fixedly connected with guide pipes, and the guide pipes are communicated with the collecting covers.

As a preferable scheme of the utility model, the jet mill and the collecting cover are both rotatably sleeved outside the first rotating shaft.

In the technical scheme, the utility model has the technical effects and advantages that:

1. The first motor drives the crushing shaft to rapidly rotate in the raw material tank through the meshed first bevel gear and second bevel gear, and then drives the crushing cutters to rapidly rotate in the raw material tank, so that raw materials in the raw material tank can be primarily crushed, the crushing efficiency of the jet mill can be improved, and meanwhile, the raw materials can be prevented from hardening;

2. the first belt pulley is driven to rotate by the second motor, the second rotating shaft is driven to rotate in the discharging bin by the driving belt and the second belt pulley, and then the plurality of baffle plates are driven to rotate in the discharging bin, so that the raw materials in the raw material tank can uniformly fall down;

3. Through the preliminary screening cover that sets up and first screening cover and second screening cover can sieve the raw materials after smashing, first motor drives first pivot through the reducing gear box and rotates afterwards, then drives soft pole and rotate around first pivot to can drive the rubber hammer and strike preliminary screening cover and first screening cover and second screening cover, and then can avoid the jam.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the whole cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the discharging bin of the utility model;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 1;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2.

In the figure: 1. a bracket; 2. a raw material tank; 3. a crushing shaft; 4. discharging the material bin; 5. an air flow pulverizer; 6. a communicating pipe; 7. a discharge pipe; 8. a primary screen cover; 9. a first blanking pipe; 10. a second blanking pipe; 11. a first screen cover; 12. a second screen cover; 13. a collection cover; 14. a first rotating shaft; 15. a reduction gearbox; 16. a first motor; 17. a first bevel gear; 18. a second bevel gear; 19. a material guiding pipe; 20. twisting Long Gan; 21. a second motor; 22. a first pulley; 23. a second rotating shaft; 24. a second pulley; 25. a drive belt; 26. a striker plate; 27. a crushing knife; 28. a fixed collar; 29. a soft rod; 30. a rubber hammer; 31. a feed delivery cylinder.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides an air flow crushing classifying mill as shown in figures 1-5, which comprises a bracket 1, wherein an air flow crusher 5 is fixedly connected to the inside of the bracket 1, a raw material tank 2 is fixedly connected to the inside of the bracket 1, a crushing shaft 3 is rotatably sleeved in the inside of the raw material tank 2, a plurality of crushing cutters 27 are fixedly connected to the outside of the crushing shaft 3, a first driving component is arranged at the top of the raw material tank 2, and the plurality of crushing cutters can be driven to rotate in the raw material tank rapidly through the arranged first driving component, so that raw materials in the raw material tank can be primarily crushed, the crushing efficiency of the air flow crusher is improved, meanwhile, the hardening of the raw materials can be avoided, and the knocking component can be driven to rotate;

The inside of the bracket 1 is fixedly connected with a feed cylinder 31, the feed cylinder 31 is communicated with the jet mill 5, the inside of the feed cylinder 31 is rotationally sleeved with an auger rod 20, the inside of the bracket 1 is fixedly connected with a second motor 21, the auger rod 20 is fixedly connected with the output end of the second motor 21, a discharge bin 4 is communicated between the feed cylinder 31 and the raw material tank 2, a discharging component is arranged in the discharge bin 4, and the discharging can be more uniform through the arranged discharging component;

The inside of the bracket 1 is fixedly connected with a communicating pipe 6, the outside of the communicating pipe 6 is fixedly connected with a discharging pipe 7, the discharging pipe 7 is fixedly sleeved in the inside of the jet mill 5, the bottom of the discharging pipe 7 is fixedly connected with a primary screening cover 8, the outside of the communicating pipe 6 is fixedly connected with a first blanking pipe 9 and a second blanking pipe 10, and the bottoms of the first blanking pipe 9 and the second blanking pipe 10 are respectively fixedly connected with a first screening cover 11 and a second screening cover 12;

The inside of the bracket 1 is rotatably connected with a first rotating shaft 14, three knocking components are arranged outside the first rotating shaft 14 and correspond to the primary screen cover 8, the first screen cover 11 and the second screen cover 12 respectively.

Further, in the above technical scheme, the first driving assembly includes first motor 16, first motor 16 fixedly connected with is at the top of head tank 2, the outside fixedly connected with second bevel gear 18 of the output of first motor 16, smash the first bevel gear 17 of top fixedly connected with of axle 3, and first bevel gear 17 meshes with second bevel gear 18 mutually, the top fixedly connected with reducing gear box 15 of head tank 2, and the input fixed connection of reducing gear box 15 is at the output of first motor 16, first pivot 14 fixed connection is at the output of reducing gear box 15, can avoid beating the subassembly and rotate too soon through the reducing gear box 15 that sets up.

Further, in the above technical scheme, the unloading subassembly includes second pivot 23, second pivot 23 rotates and cup joints in the inside of ejection of compact storehouse 4, the outside fixedly connected with of second pivot 23 has a plurality of striker plates 26, and a plurality of striker plates 26 all laminate with the inner wall of ejection of compact storehouse 4 mutually, the outside fixedly connected with first belt pulley 22 of the output of second motor 21, the outside fixedly connected with second belt pulley 24 of second pivot 23, the outside rotation of first belt pulley 22 and second belt pulley 24 is connected with driving belt 25, can realize that second pivot 23 and auger pole 20 synchronous rotation through the driving belt 25 that sets up.

Further, in the above technical scheme, strike the subassembly and include fixed lantern ring 28, fixed lantern ring 28 fixedly connected with in the outside of first pivot 14, the outside fixedly connected with of fixed lantern ring 28 has three soft poles 29, and the equal fixedly connected with rubber hammer 30 of one end that three soft poles 29 kept away from fixed lantern ring 28 can avoid taking place to block up through rubber hammer 30 striking primary screen cover 8 and first screen cover 11 and second screen cover 12.

Furthermore, in the above technical scheme, the outside of the first blanking pipe 9 and the second blanking pipe 10 are fixedly connected with the collecting cover 13, the first screen cover 11 and the second screen cover 12 are respectively located in the corresponding collecting covers 13, the bottoms of the two collecting covers 13 are fixedly connected with the material guiding pipes 19, the material guiding pipes 19 are communicated with the collecting covers 13, and the materials after being collected and crushed can be more conveniently and prevented from being scattered through the collecting covers 13 and the material guiding pipes 19.

Further, in the above technical solution, the jet mill 5 and the collecting cover 13 are both rotatably sleeved on the outside of the first rotating shaft 14.

When the jet mill provided by the utility model is used, the working process is as follows:

When raw materials need to be crushed, the first motor 16 is started, the crushing shaft 3 is driven to rapidly rotate in the raw material tank 2 through the meshed first bevel gear 17 and second bevel gear 18, and the crushing cutters 27 are driven to rapidly rotate in the raw material tank 2, so that the raw materials in the raw material tank can be primarily crushed, the crushing efficiency of the jet mill 5 can be improved, and meanwhile, the raw materials can be prevented from being hardened;

Then, the second motor 21 is started to drive the first belt pulley 22 to rotate, then the second rotating shaft 23 is driven to rotate in the discharging bin 4 through the transmission belt 25 and the second belt pulley 24, and then the plurality of baffle plates 26 are driven to rotate in the discharging bin 4, so that the raw materials in the raw material tank 2 can fall uniformly, and meanwhile, the second motor 21 drives the auger rod 20 to rotate in the material conveying cylinder 31, so that the raw materials can be conveyed into the jet mill 5 uniformly for crushing treatment;

After that, the crushed raw materials can be screened through the set primary screening cover 8, the first screening cover 11 and the second screening cover 12, then the first motor 16 drives the first rotating shaft 14 to rotate through the reduction gearbox 15, and then the soft rod 29 is driven to rotate around the first rotating shaft 14, so that the rubber hammer 30 can be driven to knock the primary screening cover 8, the first screening cover 11 and the second screening cover 12, and further blockage can be avoided.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The jet milling classifying mill comprises a bracket (1), and is characterized in that: the inside fixedly connected with jet mill (5) of support (1), the inside fixedly connected with head tank (2) of support (1), the inside rotation of head tank (2) has cup jointed crushing axle (3), the outside fixedly connected with of crushing axle (3) is a plurality of crushing sword (27), the top of head tank (2) is provided with first drive assembly;

The inside of the support (1) is fixedly connected with a feed conveying cylinder (31), the feed conveying cylinder (31) is communicated with the jet mill (5), an auger rod (20) is rotatably sleeved in the feed conveying cylinder (31), a second motor (21) is fixedly connected in the inside of the support (1), the auger rod (20) is fixedly connected to the output end of the second motor (21), a discharge bin (4) is communicated between the feed conveying cylinder (31) and the raw material tank (2), and a discharging assembly is arranged in the discharge bin (4);

The novel jet mill comprises a bracket (1), wherein a communicating pipe (6) is fixedly connected to the inside of the bracket (1), a discharging pipe (7) is fixedly connected to the outside of the communicating pipe (6), the discharging pipe (7) is fixedly sleeved in the inside of a jet mill (5), a primary screening cover (8) is fixedly connected to the bottom of the discharging pipe (7), a first discharging pipe (9) and a second discharging pipe (10) are fixedly connected to the outside of the communicating pipe (6), and a first screening cover (11) and a second screening cover (12) are respectively fixedly connected to the bottoms of the first discharging pipe (9) and the second discharging pipe (10);

The inside rotation of support (1) is connected with first pivot (14), the outside of first pivot (14) is provided with three and beats the subassembly, and three beat the subassembly and correspond with primary screen cover (8) and first screen cover (11) and second screen cover (12) respectively.

2. A jet mill classifying mill according to claim 1, wherein: the first driving assembly comprises a first motor (16), the first motor (16) is fixedly connected to the top of the raw material tank (2), a second bevel gear (18) is fixedly connected to the outside of the output end of the first motor (16), a first bevel gear (17) is fixedly connected to the top of the crushing shaft (3), the first bevel gear (17) is meshed with the second bevel gear (18), a reduction gearbox (15) is fixedly connected to the top of the raw material tank (2), the input end of the reduction gearbox (15) is fixedly connected to the output end of the first motor (16), and the first rotary shaft (14) is fixedly connected to the output end of the reduction gearbox (15).

3. A jet mill classifying mill according to claim 1, wherein: the blanking assembly comprises a second rotating shaft (23), the second rotating shaft (23) is rotationally sleeved in the discharging bin (4), a plurality of baffle plates (26) are fixedly connected to the outside of the second rotating shaft (23), the baffle plates (26) are attached to the inner wall of the discharging bin (4), a first belt pulley (22) is fixedly connected to the outside of the output end of the second motor (21), a second belt pulley (24) is fixedly connected to the outside of the second rotating shaft (23), and a driving belt (25) is rotationally connected to the outside of the first belt pulley (22) and the outside of the second belt pulley (24).

4. A jet mill classifying mill according to claim 1, wherein: the knocking assembly comprises a fixed sleeve ring (28), the fixed sleeve ring (28) is fixedly connected to the outer portion of the first rotating shaft (14), three soft rods (29) are fixedly connected to the outer portion of the fixed sleeve ring (28), and rubber hammers (30) are fixedly connected to one ends, far away from the fixed sleeve ring (28), of the three soft rods (29).

5. A jet mill classifying mill according to claim 1, wherein: the outside of first unloading pipe (9) and second unloading pipe (10) all fixedly connected with gathers cover (13), and first sieve cover (11) and second sieve cover (12) are located the inside that gathers cover (13) that corresponds respectively, two the bottom that gathers cover (13) all fixedly connected with passage (19), and passage (19) are linked together with gathering cover (13).

6. A jet mill classifying mill according to claim 1, wherein: the jet mill (5) and the collecting cover (13) are both rotatably sleeved outside the first rotating shaft (14).