CN219631440U

CN219631440U - Material crushing and screening device

Info

Publication number: CN219631440U
Application number: CN202321061276.1U
Authority: CN
Inventors: 林正仁
Original assignee: Changqun Fine Industry Yichang Co ltd
Current assignee: Changqun Fine Industry Yichang Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-09-05
Anticipated expiration: 2033-04-28

Abstract

The utility model provides a material crushing and screening device, which comprises a box body, wherein the box body comprises an upper feeding end and a lower discharging end, and a blocking roller, a grinding assembly and a conveying belt are sequentially arranged in the box body from top to bottom; the grinding component comprises a processing pipeline, a first crusher, a first screening disc, a second crusher, a second screening disc, a powder crusher and a third screening disc are sequentially arranged in the processing pipeline from top to bottom, a rotating shaft is coaxially fixed to the first crusher and the second crusher, a conveying pipe which is arranged in a roundabout mode is connected to the lower end of the processing pipeline, a pipe orifice of the conveying pipe faces to the conveying belt, and the rotating shaft penetrates through the pipe wall of the conveying pipe and is driven by a motor. The utility model solves the problem that the pulverizer in the prior art can not pulverize bulk materials into powder rapidly.

Description

Material crushing and screening device

Technical Field

The utility model relates to the technical field of bulk solid crushing devices, in particular to a material crushing and screening device.

Background

The chemical industry generally uses many chemical raw materials, such as solid materials of calcium carbonate or barium sulfate, and the raw materials of such materials are usually massive bodies with larger sizes and cannot be directly used, so that a pulverizer is required to pulverize the materials, and the materials can be processed into powder for production.

The existing pulverizer generally circularly pulverizes materials, namely, the pulverized materials are manually thrown into the pulverizer again for pulverization; and then or through setting up the lifting device, transport the material after smashing to the feed inlet by the lifting device, smash the material again. The existing pulverizer cannot pulverize massive materials with larger sizes into powder at one time, so that the processing efficiency is greatly reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a material crushing and screening device, which solves the problem that the crusher in the prior art cannot crush massive materials into powder rapidly, so that the processing efficiency is lower.

According to the embodiment of the utility model, the material crushing and screening device comprises a box body, wherein the box body comprises an upper feeding end and a lower discharging end, and a blocking roller, a grinding assembly and a conveying belt are sequentially arranged in the box body from top to bottom; the grinding component comprises a processing pipeline, a first crusher, a first screening disc, a second crusher, a second screening disc, a powder crusher and a third screening disc are sequentially arranged in the processing pipeline from top to bottom, a rotating shaft is coaxially fixed to the first crusher and the second crusher, a conveying pipe which is arranged in a roundabout mode is connected to the lower end of the processing pipeline, a pipe orifice of the conveying pipe faces to the conveying belt, and the rotating shaft penetrates through the pipe wall of the conveying pipe and is driven by a motor.

The technical principle of the utility model is as follows: the worker inputs blocky materials from the upper feeding end of the box body, the blocking roller firstly carries out preliminary crushing and blocking on the materials with larger size, the blocked materials enter the processing pipeline, the first crusher carries out primary crushing on the materials, the first screening disc carries out primary screening on the materials, the materials with larger size are continuously subjected to primary crushing, and the materials with smaller size pass through the first screening disc and are subjected to secondary crushing by the second crusher;

along with the further smashing of the second smashing device for the materials, the materials with smaller sizes pass through the second screening disc and are smashed by the smashing device, the materials which finally reach the processing standard pass through the third screening disc, the powdery materials slide onto the conveying belt through the conveying pipe, and the conveying belt conveys the powdery materials from the box body to the next working procedure.

Compared with the prior art, the utility model has the following beneficial effects: the block roller is used for blocking the blocky material with larger size, the blocked material is crushed step by the first crusher, the second crusher and the powder crusher, and the first screening disc, the second screening disc and the third screening disc screen the material, so that the material with the size reaching the processing standard falls on the conveyor belt, and the blocky material is crushed into powder rapidly.

Drawings

Fig. 1 is an overall schematic view of a material pulverizing and screening apparatus according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an internal structure of a material pulverizing and screening apparatus according to an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of an abrasive assembly according to an embodiment of the present utility model.

In the above figures: 1. a case; 11. a feed chute; 12. a notch; 2. a blocking roller; 3. a grinding assembly; 31. processing a pipeline; 32. a first shredder; 321. a first crushing roller; 33. a first screening tray; 331. a first through hole; 34. a second breaker; 341. a second break-up roller; 35. a second screening tray; 351. a second through hole; 36. a powdering device; 361. a blade; 37. a third screening tray; 371. a third through hole; 4. a conveyor belt; 41. a baffle; 5. a rotating shaft; 6. and a material conveying pipe.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, 2 and 3, the embodiment of the utility model provides a material crushing and screening device, which comprises a box body 1, wherein the box body 1 comprises an upper feeding end and a lower discharging end, and a blocking roller 2, a grinding assembly 3 and a conveying belt 4 are sequentially arranged in the box body 1 from top to bottom; the grinding component 3 comprises a processing pipeline 31, a first breaker 32, a first screening disc 33, a second breaker 34, a second screening disc 35, a powder breaker 36 and a third screening disc 37 are sequentially arranged in the processing pipeline 31 from top to bottom, a rotating shaft 5 is coaxially fixed to the first breaker 32, the second breaker 34 and the powder breaker 36, a conveying pipe 6 which is arranged in a roundabout mode is connected to the lower end of the processing pipeline 31, a pipe orifice of the conveying pipe 6 faces to the conveying belt 4, and the rotating shaft 5 penetrates through the pipe wall of the conveying pipe 6 and is driven by a motor.

Specifically, the box body 1 is a shell with four closed sides and open upper and lower ends, the bottom of the box body 1 is fixedly provided with support columns standing on the ground, and the block roller 2, the first crusher 32, the second crusher 34 and the crusher 36 are made of high-strength and hard-texture materials, such as steel, so that the hard materials can be crushed successfully; the grinding component 3 is provided with a plurality of groups so as to crush and process a large amount of materials at the same time, thereby improving the processing efficiency.

In the embodiment of the utility model, a worker inputs blocky materials from the upper feeding end of the box body 1, the blocking roller 2 firstly carries out preliminary crushing and blocking on the materials with larger sizes, the blocked materials enter the processing pipeline 31, the first crusher 32 carries out primary crushing on the materials, the first screening disc 33 carries out primary screening on the materials, the materials with larger sizes continue to carry out primary crushing, and the materials with smaller sizes pass through the first screening disc 33 and are subjected to secondary crushing by the second crusher 34;

as the second crusher 34 further crushes the material, the smaller size material passes through the second screening tray 35 and is crushed by the crusher 36, and finally the material meeting the processing criteria passes through the third screening tray 37, the powdery material slides down the feed conveyor 6 onto the conveyor belt 4, and the conveyor belt 4 conveys the powdery material from the box 1 to the next process.

In the process, the block materials are crushed step by step through the block roller 2, the first crusher 32, the second crusher 34 and the powder crusher 36, and the materials with different sizes are screened through the first screening disc 33, the second screening disc 35 and the third screening disc 37, so that the materials with the sizes meeting the processing requirements can be transported and output by the conveyor belt 4, and the effect of rapidly crushing the block materials into powder is achieved.

As shown in fig. 1 and 2, a feeding chute 11 is formed at the upper feeding end of the box 1, and a channel communicating with the processing pipeline 31 is fixed at the bottom wall of the feeding chute 11. The feed chute 11 can collect and temporarily store the bulk materials, and facilitates the bulk materials to enter the processing pipeline 31.

As shown in fig. 1 and 2, the inner side wall surface of the feed chute 11 is inclined. The inclined wall surface can guide the block materials, so that the block materials can quickly and accurately enter the processing pipeline 31.

As shown in fig. 2, two blocking rollers 2 are arranged at intervals, the two blocking rollers 2 are both rotatably connected with the side wall of the box body 1 and have opposite rotation directions, and the blocking rollers 2 are positioned below the feed chute 11.

Specifically, the two blocking rollers 2 are parallel, the distance between the two blocking rollers 2 can be set according to actual needs, and it should be noted that the distance between the two blocking rollers 2 should be smaller than the inner diameter of the processing pipeline 31, and the distance between the blocking rollers 2 and the inner wall of the adjacent box body 1 should also be smaller than the inner diameter of the processing pipeline 31, so as to prevent the block materials which are not blocked from falling down through the gap. The rotational tangential directions of the two blocking rollers 2 are each directed to the gap between the two blocking rollers 2.

In the embodiment of the utility model, the two block rollers 2 rotate in opposite directions, so that the block materials fall on the gaps of the two block rollers 2, the block materials are crushed after being extruded by the two block rollers 2, and the crushed small block materials pass through the gaps of the two block rollers 2 and fall into the processing pipeline 31 through the channel, so that the block materials are subjected to preliminary crushing and block division.

As shown in fig. 2, the partitioning roller 2 is provided with a spiral groove. Therefore, the contact area between the block materials and the block roller 2 is reduced, so that the local stress of the block materials is increased, and the block materials are crushed more quickly and thoroughly.

As shown in fig. 3, the first breaker 32 includes a plurality of first breaking rollers 321 fixed to the rotation shaft 5; the second breaker 34 includes a plurality of second breaking rollers 341 fixed to the rotation shaft 5. The rotation shaft 5 rotates to drive the first crushing roller 321 and the second crushing roller 341 to rotate, so that the first crushing roller 321 and the second crushing roller 341 strike the bulk material, and the bulk material is crushed.

As shown in fig. 3, the second breaking roller 341 has a smaller diameter than the first breaking roller 321. The second crushing roller 341 performs secondary crushing on the bulk material, and at this time, the size of the material is smaller, and the second crushing roller 341 with smaller diameter can crush the material more finely.

As shown in fig. 3, the powdering device 36 includes a plurality of blades 361 fixed to the rotary shaft 5. The blade 361 has the blade edge capable of further crushing the material to make the material finer, so that the size of the material meets the processing requirement.

As shown in fig. 3, the first sieving disk 33, the second sieving disk 35 and the third sieving disk 37 are correspondingly provided with a plurality of first through holes 331, second through holes 351 and third through holes 371, wherein the inner diameter of the first through holes 331 is larger than the inner diameter of the second through holes 351, and the inner diameter of the second through holes 351 is larger than the inner diameter of the third through holes 371. The first through hole 331, the second through hole 351 and the third through hole 371 can screen the material step by step, so that the size of the material finally falling on the conveyer belt 4 reaches the processing requirement.

As shown in fig. 1, a notch 12 is formed at the lower discharge end of the box 1, and baffles 41 are fixed at two sides of the conveyor belt 4, and the baffles 41 are limited in the notch 12. Baffle 41 can block powdered material, makes powdered material be difficult for dispersing, and baffle 41 and notch 12 cooperation can be spacing to conveyer belt 4 simultaneously, and the position that makes the material whereabouts is difficult for taking place the skew to guarantee that the material can be complete by collecting.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A screening plant is smashed to material, its characterized in that: the device comprises a box body (1), wherein the box body (1) comprises an upper feeding end and a lower discharging end, and a blocking roller (2), a grinding assembly (3) and a conveying belt (4) are sequentially arranged in the box body (1) from top to bottom; the grinding assembly (3) comprises a processing pipeline (31), a first crusher (32), a first screening disc (33), a second crusher (34), a second screening disc (35), a powder crusher (36) and a third screening disc (37) are sequentially arranged in the processing pipeline (31) from top to bottom, the first crusher (32) and the second crusher (34) are coaxially fixed with a rotating shaft (5) respectively, the lower end of the processing pipeline (31) is connected with a conveying pipe (6) which is arranged in a roundabout manner, a pipe orifice of the conveying pipe (6) faces the conveying belt (4), and the rotating shaft (5) penetrates through the pipe wall of the conveying pipe (6) and is driven by a motor.

2. A material pulverizing and screening apparatus as defined in claim 1, wherein: the upper feeding end of the box body (1) is provided with a feeding groove (11), and the bottom wall of the feeding groove (11) is fixedly provided with a channel communicated with the processing pipeline (31).

3. A material pulverizing and screening apparatus as defined in claim 2, wherein: the inner side wall surface of the feed chute (11) is obliquely arranged.

4. A material pulverizing and screening apparatus as defined in claim 2, wherein: the two blocking rollers (2) are arranged at intervals, the two blocking rollers (2) are both rotationally connected with the side wall of the box body (1) and are opposite in rotation direction, and the blocking rollers (2) are located below the feeding groove (11).

5. A material pulverizing and screening apparatus as defined in claim 4, wherein: the blocking roller (2) is provided with a spiral wire groove.

6. A material pulverizing and screening apparatus as defined in claim 1, wherein: the first breaker (32) comprises a plurality of first breaking rollers (321) fixed with the rotating shaft (5); the second breaker (34) comprises a plurality of second breaking rollers (341) fixed with the rotating shaft (5).

7. A material pulverizing and screening apparatus as defined in claim 6, wherein: the diameter of the second crushing roller (341) is smaller than the diameter of the first crushing roller (321).

8. A material pulverizing and screening apparatus as defined in claim 1, wherein: the powdering device (36) includes a plurality of blades (361) fixed to the rotary shaft (5).

9. A material pulverizing and screening apparatus as defined in claim 1, wherein: the first screening disc (33), the second screening disc (35) and the third screening disc (37) are correspondingly provided with a plurality of first through holes (331), second through holes (351) and third through holes (371), the inner diameter of the first through holes (331) is larger than that of the second through holes (351), and the inner diameter of the second through holes (351) is larger than that of the third through holes (371).

10. A material pulverizing and screening apparatus as defined in claim 1, wherein: the lower discharge end of the box body (1) is provided with a notch (12), two sides of the conveying belt (4) are fixedly provided with baffle plates (41), and the baffle plates (41) are limited in the notch (12).