Staged ultrafine grinder

Abstract

The utility model belongs to the field of ultrafine pulverizers, and particularly relates to a grading type ultrafine pulverizer which comprises a machine body, an electric push rod is fixedly connected to the top of the inner wall of the machine body, a first grading plate is arranged below the electric push rod in an attached mode, and first limiting rods are connected to the four corners of the first grading plate in a penetrating mode. The bottom of the first limiting rod is fixedly connected with a first limiting block, a first limiting spring is fixedly connected to the middle of the first grading plate and the middle of the first limiting block, the first grading plate is inclined by 30 degrees, and the first limiting block is fixedly connected with the inner wall of the machine body. Through the arrangement of the first grading plate and the second grading plate, raw materials can be sieved and graded, so that the raw materials which cannot pass through the grading plates respectively enter the first grading structure and the second grading structure under the action of inclined surfaces to be subjected to specific superfine grinding work, and the superfine grinding efficiency of the raw materials is improved; and the time for repeatedly grading and sieving is saved.

Description

Technical Field

[0001] The utility model relates to the field of ultrafine pulverizers, in particular to a grading ultrafine pulverizer. Background Art

[0002] Ultrafine pulverizer is a device that uses air separation, heavy pressure grinding and shearing to achieve ultrafine grinding of dry materials. It consists of a cylindrical grinding chamber, grinding wheel, grinding rail, fan, material collection system, etc. The material enters the cylindrical grinding chamber through the feeding port and is crushed by the grinding wheel that moves in a circular motion along the grinding rail. The crushed material is carried out of the grinding chamber by the negative pressure airflow caused by the fan and enters the material collection system. It is filtered by the filter bag, the air is discharged, and the material and dust are collected to complete the crushing.

[0003] In Chinese patent CN201921927690.X, the utility model provides an ultrafine pulverizer, including an ultrafine pulverizer body and a machine cover, a crushing box and a power component inside the ultrafine pulverizer body. A limiting structure is provided on the right side of the ultrafine pulverizer body, and the limiting structure fixedly connects the machine cover with the crushing box. A base is provided below the ultrafine pulverizer body, and support rods are welded on both sides of the ultrafine pulverizer body, and the surface of the support rods is rotatably connected to the inside of the base; the utility model provides the ultrafine pulverizer with the advantage of convenient dumping through the arrangement of the ultrafine pulverizer body, the machine cover, the crushing box, the power component, the limiting structure, the base, the support rod, the rotating structure and the fixed structure, so that the ultrafine pulverizer has the advantage of convenient dumping, which is convenient for users to dump the crushed materials, thereby reducing the loss rate of materials, and at the same time solves the problem that the existing ultrafine pulverizer is inconvenient to dump and discharge materials.

[0004] Although the existing ultrafine pulverizer can solve the problem of simple structure and inconvenient dumping, when the raw materials are pulverized, the subsequent pulverization effect is different due to the different volumes of the raw materials. The raw materials that do not meet the pulverization specifications need to be sieved and pulverized again, which affects the pulverization efficiency to a certain extent.

[0005] Therefore, a classifying superfine pulverizer is proposed to address the above problems. Utility Model Content

[0006] The utility model aims to provide a grading superfine pulverizer to solve the problem in the above background technology that raw materials that do not meet the pulverization specifications need to be sieved and then pulverized again, which affects the pulverization efficiency to a certain extent.

[0007] The utility model adopts the following technical solution to solve the technical problem: a grading type ultrafine pulverizer comprises a machine body, an electric push rod is fixedly connected to the top of the inner wall of the machine body, and a first grading plate is fittedly arranged below the electric push rod, four corners of the first grading plate are penetrated by first limiting rods, and the bottom of the first limiting rod is fixedly connected to a first limiting block.

[0008] Preferably, a first limiting spring is fixedly connected between the first grading plate and the first limiting block, and the first grading plate is inclined at 30°, and the first limiting block is fixedly connected to the inner wall of the body.

[0009] Preferably, the outer wall of the first grading plate is slidably connected to the first guide plate, and the first guide plate is inclined at 30°, the bottom of the first guide plate is fixedly connected to the first grading structure, and the inner wall of the first grading structure is rotatably connected to the first crushing roller, the bottom of the first grading structure is rotatably connected to the first rotating shaft, and the top of the first rotating shaft is fixedly connected to the first stirring rod, and the outer wall of the first stirring rod is fixedly connected to the first crushing blade.

[0010] Preferably, a first discharge plate is integrally provided on the right side of the outer wall of the first grading structure, and a first baffle is snap-connected inside the first discharge plate.

[0011] Preferably, a connecting rod is fixedly connected to the bottom of the first grading plate, and a second grading plate is fixedly connected to the bottom of the connecting rod, the second grading plate is inclined at 30°, the four corners of the second grading plate are penetrated by second limiting rods, and a second limiting block is fixedly connected to the bottom of the second limiting rod, and a second limiting spring is fixedly connected to the middle position of the second grading plate and the second limiting block.

[0012] Preferably, a second guide plate is slidably connected to the left side of the outer wall of the second grading plate, and the second guide plate is inclined at 30°, a second grading structure is fixedly connected to the bottom of the second guide plate, and a second crushing roller is rotatably connected to the middle position of the inner wall of the second grading structure, a second rotating shaft is rotatably connected to the bottom of the inner wall of the second grading structure, a second stirring rod is fixedly connected to the top of the second rotating shaft, and a second crushing blade is fixedly connected to the outer wall of the second stirring rod.

[0013] Preferably, a second discharge plate is integrally provided on the left side of the outer wall of the second grading structure, and a second baffle is snap-connected inside the second discharge plate.

[0014] The utility model is beneficial in that:

[0015] 1. The utility model adopts a first grading plate, a first limiting rod, a first limiting block, a first limiting spring, a connecting rod, a first guide plate, a first crushing roller, a first stirring rod, a first crushing blade and a first rotating shaft to cooperate with each other. The electric push rod hits the first grading plate downward to make the first grading plate vibrate up and down to screen and grade the raw materials. The raw materials that cannot pass through the first grading plate enter the first grading structure through the inclined surface of the first guide plate under the action of the inclined surface. After the raw materials enter the first grading structure, the first crushing rollers on both sides rotate to the middle position to extrude and crush the raw materials. After the raw materials are crushed, the first crushing blade rotates downward at a high speed to crush and process the raw materials. Opening the first baffle can make the raw materials fall out from the first discharging plate after ultra-fine crushing.

[0016] 2. The utility model adopts the cooperation between the second grading plate, the second limiting rod, the second limiting block, the second limiting spring, the second guide plate, the second crushing roller, the second stirring rod, the second crushing blade and the second rotating shaft. When the first grading plate is pushed by the electric push rod, it can drive the second grading plate to vibrate. The second grading plate vibrates up and down through the second limiting spring to screen the raw materials. The raw materials that cannot pass through the second grading plate enter the second guide plate. The raw material powder passing through the second grading plate falls to the bottom of the inner wall of the machine body. The bottom of the inner wall of the machine body is inclined. The raw materials enter the second grading structure through the second guide plate. The raw materials are first squeezed and crushed by the second crushing roller, and then crushed under the high-speed rotation of the second crushing blade. Opening the second baffle can make the raw materials fall out from the second discharging plate after ultra-fine crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model as a whole viewed from the front;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the body of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the first hierarchical structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the second hierarchical structure of the present invention.

[0022] In the figure: 1. body; 2. electric push rod; 3. first grading plate; 4. first limit rod; 5. first limit block; 6. first limit spring; 7. connecting rod; 8. first guide plate; 9. first crushing roller; 10. first stirring rod; 11. first crushing blade; 12. first rotating shaft; 13. second grading plate; 14. second limit rod; 15. second limit block; 16. second limit spring; 17. second guide plate; 18. second crushing roller; 19. second stirring rod; 20. second crushing blade; 21. second rotating shaft; 22. first grading structure; 23. first discharging plate; 24. first baffle; 25. second grading structure; 26. second discharging plate; 27. second baffle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 4 As shown, a grading ultrafine pulverizer comprises a body 1, an electric push rod 2 is fixedly connected to the top of the inner wall of the body 1, and a first grading plate 3 is fitted below the electric push rod 2, four corners of the first grading plate 3 are penetrated by first limiting rods 4, and the bottom of the first limiting rod 4 is fixedly connected to a first limiting block 5, the raw material enters the body 1 through the feed port at the top of the body 1, the electric push rod 2 hits the first grading plate 3 downward, the first grading plate 3 is supported by a first limiting spring 6, and the four corners are limited by the first limiting rod 4 and the first limiting block 5 to slide up and down to screen the raw material.

[0025] A first limiting spring 6 is fixedly connected between the first grading plate 3 and the first limiting block 5, and the first grading plate 3 is inclined at 30°. The first limiting block 5 is fixedly connected to the inner wall of the body 1. The first limiting spring 6 plays a role in assisting the first grading plate 3 to slide up and down, so that it can stably perform screening and grading work.

[0026] The outer wall of the first grading plate 3 is slidably connected to the first guide plate 8, and the first guide plate 8 is inclined at 30°. The bottom of the first guide plate 8 is fixedly connected to the first grading structure 22, and the inner wall of the first grading structure 22 is rotatably connected to the first crushing roller 9. The bottom of the first grading structure 22 is rotatably connected to the first rotating shaft 12, and the top of the first rotating shaft 12 is fixedly connected to the first stirring rod 10, and the outer wall of the first stirring rod 10 is fixedly connected to the first crushing blade 11. The raw materials that cannot pass through the first grading plate 3 enter the first guide plate 8 under the action of the inclined surface, and enter the first grading structure 22 through the inclined surface of the first guide plate 8. After the raw materials enter the first grading structure 22, the first crushing rollers 9 on both sides rotate to the middle position to squeeze and crush the raw materials. After the raw materials are crushed, they fall downward into the first grading structure 22. The first stirring rod 10 rotates under the action of the first rotating shaft 12 to drive the first crushing blade 11 to rotate at high speed to crush and process the raw materials.

[0027] A first discharge plate 23 is integrated on the right side of the outer wall of the first grading structure 22 , and a first baffle 24 is snap-connected inside the first discharge plate 23 . When the first baffle 24 is opened, the raw materials can fall out of the first discharge plate 23 after ultra-fine crushing.

[0028] The bottom of the first grading plate 3 is fixedly connected with a connecting rod 7, and the bottom of the connecting rod 7 is fixedly connected with a second grading plate 13, the second grading plate 13 is set to be inclined at 30°, the four corners of the second grading plate 13 are penetrated and connected with a second limiting rod 14, and the bottom of the second limiting rod 14 is fixedly connected with a second limiting block 15, and the middle position of the second grading plate 13 and the second limiting block 15 is fixedly connected with a second limiting spring 16, the connecting rod 7 connects the first grading plate 3 and the second grading plate 13 respectively, so that the first grading plate 3 can drive the second grading plate 13 to vibrate when the electric push rod 2 is pushed, and the second grading plate 13 is supported by the second limiting spring 16, and the four corners are limited by the second limiting rod 14 and the second limiting block 15 to slide up and down to screen and grade the raw materials.

[0029] A second guide plate 17 is slidably connected to the left side of the outer wall of the second grading plate 13, and the second guide plate 17 is inclined at 30°. A second grading structure 25 is fixedly connected to the bottom of the second guide plate 17, and a second crushing roller 18 is rotatably connected to the middle position of the inner wall of the second grading structure 25. A second rotating shaft 21 is rotatably connected to the bottom of the inner wall of the second grading structure 25, and a second stirring rod 19 is fixedly connected to the top of the second rotating shaft 21, and a second crushing blade 20 is fixedly connected to the outer wall of the second stirring rod 19. The raw materials that cannot pass through the second grading plate 13 enter the second guide plate 17, and the raw material powder that passes through the second grading plate 13 falls to the bottom of the inner wall of the machine body 1. The bottom of the inner wall of the machine body 1 is inclined. The raw materials enter the second grading structure 25 through the inclined surface of the second guide plate 17. The raw materials are first squeezed and crushed by the second crushing roller 18, and then fall into the second grading structure 25. The second stirring rod 19 rotates at high speed under the action of the second rotating shaft 21, driving the second crushing blade 20 to rotate at high speed and crush the raw materials

[0030] A second discharge plate 26 is integrally provided on the left side of the outer wall of the second grading structure 25 , and a second baffle 27 is snap-connected inside the second discharge plate 26 . When the second baffle 27 is opened, the raw materials can fall out of the second discharge plate 26 after ultra-fine crushing.

[0031] Working principle: the raw material enters the body 1 through the top feed port of the body 1, the electric push rod 2 hits the first grading plate 3 downward, the first grading plate 3 is supported by the first limit spring 6, and the four corners are limited by the first limit rod 4 and the first limit block 5 to slide up and down to screen the raw material. The raw material that cannot pass through the first grading plate 3 enters the first guide plate 8 under the action of the inclined surface, and enters the first grading structure 22 through the inclined surface of the first guide plate 8. After the raw material enters the first grading structure 22, the first crushing rollers 9 on both sides rotate to the middle position to squeeze and crush the raw material. After the raw material is crushed, it falls downward into the first grading structure 22. The first stirring rod 10 rotates under the action of the first rotating shaft 12 to drive the first crushing blade 11 to rotate at high speed to crush and process the raw material. Opening the first baffle 24 can make the raw material fall out of the first discharge plate 23 after ultra-fine crushing.

[0032] Secondly, the connecting rod 7 connects the first grading plate 3 and the second grading plate 13 respectively, so that the first grading plate 3 can drive the second grading plate 13 to vibrate when the electric push rod 2 pushes the first grading plate 3. The second grading plate 13 is supported by the second limit spring 16, and the four corners are limited by the second limit rod 14 and the second limit block 15 to slide up and down to screen the raw materials. The raw materials that cannot pass through the second grading plate 13 enter the second guide plate 17, and the raw material powder passing through the second grading plate 13 falls to the bottom of the inner wall of the body 1. The bottom of the inner wall of the body 1 is inclined. The raw materials enter the second grading structure 25 through the inclined surface of the second guide plate 17. The raw materials are first squeezed and crushed by the second crushing roller 18, and then fall into the second grading structure 25. The second stirring rod 19 rotates at high speed under the action of the second rotating shaft 21, driving the second crushing blade 20 to rotate at high speed to crush the raw materials. Opening the second baffle 27 can make the raw materials fall out of the second discharging plate 26 after ultra-fine crushing.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A classifying ultrafine pulverizer, comprising a body (1), characterized in that: The top of the inner wall of the body (1) is fixedly connected to an electric push rod (2), and a first grading plate (3) is arranged below the electric push rod (2), four corners of the first grading plate (3) are connected through first limit rods (4), and the bottom of the first limit rod (4) is fixedly connected to a first limit block (5); A first limiting spring (6) is fixedly connected between the first grading plate (3) and the first limiting block (5), and the first grading plate (3) is arranged to be inclined at 30°, and the first limiting block (5) is fixedly connected to the inner wall of the body (1); The outer wall of the first grading plate (3) is slidably connected to a first guide plate (8), and the first guide plate (8) is arranged to be inclined at 30 degrees, the bottom of the first guide plate (8) is fixedly connected to a first grading structure (22), and the inner wall of the first grading structure (22) is rotatably connected to a first crushing roller (9), the bottom of the first grading structure (22) is rotatably connected to a first rotating shaft (12), and the top of the first rotating shaft (12) is fixedly connected to a first stirring rod (10), and the outer wall of the first stirring rod (10) is fixedly connected to a first crushing blade (11); The bottom of the first grading plate (3) is fixedly connected to a connecting rod (7), and the bottom of the connecting rod (7) is fixedly connected to a second grading plate (13); the second grading plate (13) is arranged to be inclined at 30°; four corners of the second grading plate (13) are penetrated by second limiting rods (14), and the bottom of the second limiting rod (14) is fixedly connected to a second limiting block (15); a second limiting spring (16) is fixedly connected to a middle position between the second grading plate (13) and the second limiting block (15); The second grading plate (13) is slidably connected to a second guide plate (17) on the left side of the outer wall, and the second guide plate (17) is inclined at 30 degrees. The bottom of the second guide plate (17) is fixedly connected to a second grading structure (25), and the middle position of the inner wall of the second grading structure (25) is rotatably connected to a second rotating shaft (21), and the top of the second rotating shaft (21) is fixedly connected to a second stirring rod (19), and the outer wall of the second stirring rod (19) is fixedly connected to a second crushing blade (20).

2. A classifying superfine pulverizer according to claim 1, characterized in that: A first discharge plate (23) is integrally provided on the right side of the outer wall of the first grading structure (22), and a first baffle plate (24) is snap-connected inside the first discharge plate (23).

3. A classifying superfine pulverizer according to claim 1, characterized in that: A second discharge plate (26) is integrally provided on the left side of the outer wall of the second grading structure (25), and a second baffle plate (27) is snap-connected inside the second discharge plate (26).

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