Crushing device for carborundum abrasive production

Abstract

The utility model provides a grinding device for carborundum grinding material production, which comprises a fixed support, a fixed base fixedly arranged on the fixed support, a grinder shell in bolted connection with the inside of the fixed base, a driving shaft rotatably arranged in the grinder shell, and a plurality of grinding blades fixedly arranged on the driving shaft at equal intervals. A mounting plate is fixedly arranged on the fixing support, a driving motor is fixedly arranged on the mounting plate, and the driving motor is rotationally connected with a driving shaft through a transmission belt. By arranging the first-stage screen and the second-stage screen, crushed materials can be subjected to multi-stage screening, and unqualified materials are screened out to be conveyed and crushed again; the crushing efficiency and the processing quality are improved, an exhaust pipe and a spring are arranged, the first-stage screen is not prone to being blocked through airflow, meanwhile, materials are raised, the crushing efficiency is improved, the spring and a connecting block can drive the second-stage screen to vibrate when the materials fall, and therefore the second-stage screen is not prone to being blocked, and the materials enter a material distribution opening more smoothly.

Description

Technical Field

[0001] The utility model relates to the technical field of production crushing devices, in particular to a crushing device for diamond abrasive production. Background Art

[0002] As an important industrial material, corundum abrasive is widely used in many fields, such as construction, manufacturing, grinding, etc. In its production process, crushing is one of the key steps, which directly affects the quality, particle size and production efficiency of the abrasive. Therefore, the design and manufacture of crushing devices are crucial to the production of corundum abrasives. With the advancement of science and technology and the development of technology, crushing devices for corundum abrasive production are also constantly innovating and improving. Traditional crushing devices may have problems such as high energy consumption, low production efficiency, and uneven particle size distribution. Therefore, researching and developing new crushing devices to improve production efficiency, reduce energy consumption, and optimize particle size distribution has become an urgent need in the industry.

[0003] Publication number "CN219682700U" provides a crushing device for producing corundum abrasives, which relates to the technical field of corundum abrasive crushing, and includes a support frame, a hammer mill is fixedly installed inside the support frame, a discharge port is provided at the bottom end of the support frame, and a discharge hopper is fixedly connected to the inner wall of the discharge port, a protective cover is inserted inside the discharge hopper, and a discharge trough is provided on the side of the protective cover. The utility model is provided with a discharge hopper and a protective cover. When in use, the mutual cooperation of the discharge hopper and the protective cover can realize the protection of falling materials, so as to prevent the materials from splashing to the outside of the conveyor belt during the falling process, thereby effectively reducing the waste of materials and improving the work efficiency of the staff. A driving motor and a stirring blade are provided. During use, the driving motor can drive the stirring blade to rotate continuously, thereby effectively preventing the inside of the discharge hopper from being blocked, and ensuring the normal falling of materials.

[0004] However, the above technical solutions and the prior art have the following defects:

[0005] During the use of the above-mentioned utility model, although the protection of falling materials can be achieved through the cooperation between the protective cover and the discharge hopper, and the blockage of the inside of the discharge hopper can be effectively prevented by driving the motor and the stirring blades, the screening process is not carried out during the crushing process, which may result in many raw materials not being completely crushed, thus affecting production efficiency and quality. Utility Model Content

[0006] The utility model aims to provide a crushing device for producing diamond abrasives to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A pulverizing device for producing diamond abrasives, comprising a fixed bracket, a fixed base fixedly arranged on the fixed bracket, a pulverizer housing bolted inside the fixed base, a drive shaft rotatably arranged inside the pulverizer housing, a plurality of pulverizing blades equidistantly fixedly arranged on the drive shaft, a mounting plate fixedly arranged on the fixed bracket, a drive motor fixedly arranged on the mounting plate, the drive motor and the drive shaft rotatably connected via a transmission belt, and an inlet hopper and an outlet hopper fixedly arranged on the pulverizer housing;

[0009] A screening component, which is arranged on the discharge hopper and is used to screen the crushed raw materials;

[0010] The conveying assembly is arranged on the discharge hopper and is used to convey the crushed raw materials of unqualified size back into the crusher housing.

[0011] Preferably, the screening assembly includes a primary screen fixedly mounted on the crusher housing, a secondary screen slidably mounted in the discharge hopper, springs fixedly mounted on the four corners of the secondary screen, the springs fixedly connected to the inner wall of the discharge hopper via a connecting block, and a dispensing port is provided on the discharge hopper.

[0012] Preferably, the aperture of the secondary sieve is smaller than that of the primary sieve, and the secondary sieve is inclined at a certain angle.

[0013] Preferably, the conveying assembly includes a conveying channel fixedly arranged on the material distribution port, a screw feeder is fixedly arranged on one side of the conveying channel, a fixing plate is movably sleeved on the screw feeder, the fixing plate is fixedly arranged on a fixed base, the upper end of the screw feeder is fixedly connected to the feed hopper through a connecting pipe, a second mounting plate is fixedly arranged on one side of the fixed bracket, and the screw feeder is fixedly arranged on the second mounting plate.

[0014] Preferably, the conveying channel is arranged at an angle.

[0015] Preferably, exhaust pipes are fixedly provided on both sides of the discharge hopper, a filter plate is fixedly provided on one side of the exhaust pipe, and an air pipe is fixedly provided on one side of the exhaust pipe.

[0016] Preferably, the exhaust pipe is arranged at an inclination, and the filter plate is arranged at a position corresponding to the first-level screen.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. This utility model can perform multi-stage screening of the crushed materials by setting the primary screen and the secondary screen, screen out the materials of unqualified size and convey and crush them again through the screw feeder, thereby improving the crushing efficiency and processing quality of the device.

[0019] 2. The utility model provides an exhaust pipe and a spring, so that the airflow can prevent the primary screen from being blocked and the material can be lifted up to improve the crushing efficiency. The spring and the connecting block can drive the secondary screen to vibrate when the material falls, so that the secondary screen is not easily blocked and the material enters the distribution port more smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the rear side of the overall structure of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the internal structure of the pulverizer shell of the utility model;

[0023] Figure 4 It is a three-dimensional schematic diagram of the internal structure of the discharge hopper of the utility model;

[0024] Figure 5 It is a three-dimensional schematic diagram of the secondary screen structure of the utility model;

[0025] Figure 6 It is a three-dimensional schematic diagram of the structure of the practical conveying component.

[0026] In the figure: 1. fixed bracket; 2. fixed base; 3. crusher housing; 4. drive shaft; 5. crushing blade; 6. mounting plate; 7. drive motor; 8. transmission belt; 9. feed hopper; 10. discharge hopper; 11. primary screen; 12. secondary screen; 13. spring; 14. connecting block; 15. feed outlet; 16. conveying channel; 17. screw feeder; 18. fixed plate; 19. connecting pipe; 20. second mounting plate; 21. exhaust pipe; 22. filter plate; 23. air pipe. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-6 , the utility model provides a technical solution:

[0029] Embodiment 1:

[0030] A pulverizing device for producing diamond abrasives, comprising a fixed bracket 1, a fixed base 2 is fixedly arranged on the fixed bracket 1, a pulverizer housing 3 is bolted inside the fixed base 2, a drive shaft 4 is rotatably arranged inside the pulverizer housing 3, a plurality of pulverizing blades 5 are equidistantly fixedly arranged on the drive shaft 4, a mounting plate 6 is fixedly arranged on the fixed bracket 1, a drive motor 7 is fixedly arranged on the mounting plate 6, the drive motor 7 is rotatably connected to the drive shaft 4 through a transmission belt 8, and an inlet hopper 9 and an outlet hopper 10 are fixedly arranged on the pulverizer housing 3;

[0031] In this embodiment, the fixed bracket 1 plays the role of supporting the fixing device, the fixed base 2 plays the role of supporting and fixing the crusher housing 3, the driving motor 7 is powered by an external power supply and is turned on by the operator. When the driving motor 7 rotates, it drives the driving shaft 4 to rotate through the transmission belt 8, thereby driving the crushing blade 5 on the driving shaft 4 to rotate to crush the material. The feed hopper 9 is used for the material to enter, and the discharge hopper 10 is used for the material to fall;

[0032] A screening component, which is arranged on the discharge hopper 10 and is used to screen the crushed raw materials;

[0033] The conveying assembly is arranged on the discharge hopper 10 and is used to convey the crushed raw materials of unqualified size back into the crusher housing 3.

[0034] Embodiment 2:

[0035] On the basis of the first embodiment, the present embodiment describes one of the implementable structures of the screening assembly, the screening assembly includes a primary screen 11 fixedly arranged on the pulverizer housing 3, a secondary screen 12 is slidably arranged in the discharge hopper 10, springs 13 are fixedly arranged on the four corners of the secondary screen 12, the springs 13 are fixedly connected to the inner wall of the discharge hopper 10 through a connecting block 14, a dispensing port 15 is provided on the discharge hopper 10, the caliber of the secondary screen 12 is smaller than that of the primary screen 11, the secondary screen 12 is inclined at a certain angle, exhaust pipes 21 are fixedly arranged on both sides of the discharge hopper 10, a filter plate 22 is fixedly arranged on one side of the exhaust pipe 21, an air pipe 23 is fixedly arranged on one side of the exhaust pipe 21, the exhaust pipe 21 is inclined, and the filter plate 22 is arranged at a position corresponding to the primary screen 11;

[0036] In this embodiment, the primary screen 11 can perform preliminary screening of the material, screen out the incompletely crushed material, and then blow air through the exhaust pipes 21 on both sides. The inclined setting allows the exhaust airflow to be aimed at the primary screen 11 for blowing, so that the material is lifted and contacts the crushing blade 5 again for crushing. The filter plate 22 can prevent the material from entering the exhaust pipe 21. The air pipe 23 can be externally connected to an air pump. The secondary screen 12 can perform secondary screening of the material, filter out slightly larger materials again, and pass through the feed outlet 15 to the conveying channel 16. Under the action of the spring 13 and the connecting block 14, when the material falls onto the secondary screen 12, it will cause the secondary screen 12 to vibrate, so that the secondary screen 12 will not be blocked. The inclined secondary screen 12 can shake the filtered material more smoothly into the feed outlet 15.

[0037] Embodiment three:

[0038] On the basis of the first embodiment, this embodiment describes one of the implementable structures of the conveying assembly, the conveying assembly includes a conveying channel 16 fixedly arranged on the material distribution port 15, a screw feeder 17 is fixedly arranged on one side of the conveying channel 16, a fixed plate 18 is movably sleeved on the screw feeder 17, the fixed plate 18 is fixedly arranged on the fixed base 2, the upper end of the screw feeder 17 is fixedly connected to the feed hopper 9 through a connecting pipe 19, a second mounting plate 20 is fixedly arranged on one side of the fixed bracket 1, the screw feeder 17 is fixedly arranged on the second mounting plate 20, and the conveying channel 16 is inclined;

[0039] In this embodiment, the material in the distribution port 15 will enter the conveying channel 16. The conveying channel 16 is inclined to facilitate the material to slide into the screw feeder 17. The screw feeder 17 is powered by an external power supply and is controlled to be turned on by the operator. The screw feeder 17 can convey the material to the connecting pipe 19, and then fall into the feed hopper 9 through the connecting pipe 19, and finally fall into the crusher housing 3 for crushing again, thereby improving the crushing effect and processing quality. The second mounting plate 20 and the fixed plate 18 play a role in supporting and fixing the screw feeder 17.

[0040] The drive motor 7, screw feeder 17 and air pump are devices or equipment existing in the prior art, or are devices or equipment that can be realized in the prior art, and the specifications and models of the drive motor 7, screw feeder 17 and air pump are well known to those skilled in the art and will not be described in detail here.

[0041] Working principle: When using the device, first turn on the driving motor 7 and the screw feeder 17, then connect the air pipe 23 to the air pump, the material enters the pulverizer housing 3 through the hopper 9, and contacts with the pulverizing blade 5 for pulverization, and the pulverized material is screened multiple times by the primary screen 11 and the secondary screen 12, the exhaust pipe 21 can discharge the airflow to prevent the primary screen 11 from being blocked, and lift the material to make the pulverizing blade 5 contact with the material more fully, the secondary screen 12 is tilted, and under the action of the spring 13 and the connecting block 14, it will vibrate when there is material falling, so that the secondary screen 12 will not be blocked, and the filtered material can be shaken off more smoothly into the distribution port 15;

[0042] The material in the distribution port 15 will enter the conveying channel 16, and the conveying channel 16 is inclined to facilitate the material to slide into the screw feeder 17. The screw feeder 17 can convey the material to the connecting pipe 19, and then fall into the hopper 9 through the connecting pipe 19, and finally fall into the crusher housing 3 to be crushed again, thereby improving the crushing effect and processing quality.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pulverizing device for producing diamond abrasive, comprising a fixed support (1), characterized in that: A fixed base (2) is fixedly arranged on the fixed bracket (1), a pulverizer housing (3) is bolted inside the fixed base (2), a drive shaft (4) is rotatably arranged inside the pulverizer housing (3), a plurality of pulverizing blades (5) are equidistantly fixedly arranged on the drive shaft (4), a mounting plate (6) is fixedly arranged on the fixed bracket (1), a drive motor (7) is fixedly arranged on the mounting plate (6), the drive motor (7) is rotatably connected to the drive shaft (4) via a transmission belt (8), and an inlet hopper (9) and an outlet hopper (10) are fixedly arranged on the pulverizer housing (3); A screening component, the screening component is arranged on the discharge hopper (10) and is used to screen the crushed raw materials; A conveying assembly is arranged on the discharge hopper (10) and is used to convey the crushed raw materials of unqualified size back into the crusher housing (3).

2. A pulverizing device for producing diamond abrasive according to claim 1, characterized in that: The screening assembly comprises a primary screen (11) fixedly arranged on a pulverizer housing (3), a secondary screen (12) slidably arranged in the discharge hopper (10), springs (13) fixedly arranged at four corners of the secondary screen (12), the springs (13) fixedly connected to the inner wall of the discharge hopper (10) via a connecting block (14), and a material distribution port (15) is provided on the discharge hopper (10).

3. A pulverizing device for producing diamond abrasive according to claim 2, characterized in that: The aperture of the secondary screen (12) is smaller than that of the primary screen (11), and the secondary screen (12) is inclined at a certain angle.

4. The pulverizing device for producing diamond abrasive according to claim 1, characterized in that: The conveying assembly comprises a conveying channel (16) fixedly arranged on a material distribution port (15); a screw feeder (17) is fixedly arranged on one side of the conveying channel (16); a fixing plate (18) is movably sleeved on the screw feeder (17); the fixing plate (18) is fixedly arranged on a fixed base (2); the upper end of the screw feeder (17) is fixedly connected to the feed hopper (9) via a connecting pipe (19); a second mounting plate (20) is fixedly arranged on one side of the fixed bracket (1); and the screw feeder (17) is fixedly arranged on the second mounting plate (20).

5. A pulverizing device for producing diamond abrasive according to claim 4, characterized in that: The conveying channel (16) is arranged inclined.

6. The pulverizing device for producing diamond abrasive according to claim 2, characterized in that: Exhaust pipes (21) are fixedly arranged on both sides of the discharge hopper (10), a filter plate (22) is fixedly arranged on one side of the exhaust pipe (21), and an air pipe (23) is fixedly arranged on one side of the exhaust pipe (21).

7. A pulverizing device for producing diamond abrasive according to claim 6, characterized in that: The exhaust pipe (21) is arranged at an angle, and the filter plate (22) is arranged at a position corresponding to the first-level screen (11).

Images