Converter refractory material grinding device with screening function

Abstract

The converter refractory material grinding device with the screening function comprises a grinding box, the left side of the grinding box is fixedly connected with a conveying belt, the top of the grinding box is connected with a cover plate in a sliding mode, a tooth groove is formed in the top of the cover plate, and the right side of an inner cavity of the tooth groove is meshed with a gear. A first motor is fixedly connected to the surface of the gear, a mounting frame is fixedly connected to the surface of the first motor through a mounting base, and the top of the mounting frame is fixedly connected with the top of the grinding box. The first motor drives the gear to rotate, the gear drives the cover plate to move through the tooth groove, the cover plate moves to enable the feeding port to leak out, then raw materials are conveyed to the inner cavity of the grinding box through the conveying belt, and then the cover plate is restored to the original position. And dust can be prevented from falling during grinding, and the breathing health of workers is protected.

Description

Technical Field

[0001] This utility model relates to the field of grinding equipment technology, specifically a grinding device for converter refractory materials with screening function. Background Technology

[0002] A converter generally refers to a tiltable cylindrical oxygen-blown steelmaking vessel. The furnace body is cylindrical and mounted on a horizontal shaft, allowing it to rotate. It is also used for steelmaking. During production, refractory materials need to be sprayed inside the converter. These refractory materials need to be ground using a grinding device. Currently, the grinding devices on the market do not have a screening function, which reduces their grinding efficiency. They also do not have the function of adjusting the grinding spacing. Therefore, it is necessary to design a converter refractory material grinding device with a screening function. Utility Model Content

[0003] The purpose of this invention is to provide a converter refractory grinding device with screening function, which has the advantages of being easy to use and solves the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a grinding device for converter refractory materials with screening function, including a grinding box, a conveyor belt fixedly connected to the left side of the grinding box, a cover plate slidably connected to the top of the grinding box, a toothed groove on the top of the cover plate, a gear meshing on the right side of the inner cavity of the toothed groove, a first motor fixedly connected to the surface of the gear, a mounting bracket fixedly connected to the surface of the first motor through a mounting seat, and the top of the mounting bracket fixedly connected to the top of the grinding box;

[0005] The top of both sides of the inner cavity of the grinding box is fixedly connected to a first guide plate. A crushing roller is fixedly connected to the surface of the grinding box and the bottom of the first guide plate via a bearing. The front end of the crushing roller extends through the surface of the grinding box and is fixedly connected to a second motor. The surface of the second motor is fixedly connected to the surface of the grinding box.

[0006] A second guide plate is fixedly connected to both sides of the inner cavity of the grinding box and to the bottom of the crushing roller. A sliding groove is provided at both the front and rear ends of the inner wall of the grinding box and to the bottom of the second guide plate. A slider is slidably connected to both sides of the inner cavity of the sliding groove. A threaded rod is threadedly connected to the inner cavity of the slider. One end of the threaded rod is fixedly connected to the inner wall of the sliding groove through a bearing. A driven bevel gear is fixedly connected to the opposite end of the two threaded rods. A driving bevel gear meshes between the two driven bevel gears. A third motor is fixedly connected to the back of the driving bevel gear. The surface of the third motor is fixedly connected to the surface of the grinding box. A grinding roller is fixedly connected to the surface of the slider through a bearing. The front end of the grinding roller extends to the outside of the grinding box and is fixedly connected to a fourth motor.

[0007] Limiting grooves are provided on the bottom of both sides of the inner cavity of the grinding box. Limiting blocks are slidably connected to the inner cavity of the limiting grooves. A screen box is fixedly connected to the side of the limiting block away from the limiting groove. Support rods are fixedly connected to the front and rear ends of the bottom of the screen box. A support plate is provided through the bottom of the support rod. One side of the support plate is fixedly connected to the inner wall of the grinding box. A spring is sleeved on the surface of the support rod. The two ends of the spring are fixedly connected to the surface of the screen box and the support plate, respectively. Cams are provided on both sides of the bottom of the screen box. A drive shaft is fixedly connected to the axis of the cam. One end of the drive shaft is fixedly connected to the inner wall of the grinding box through a bearing. The other end of the drive shaft extends to the outside of the grinding box and is fixedly connected to a fifth motor.

[0008] Preferably, a third guide plate is fixedly connected to the bottom of the inner cavity of the grinding box, and the third guide plate is designed to be inclined.

[0009] Preferably, the bottom right side of the grinding box has a discharge port, and the inner cavity of the discharge port is hinged to a box door.

[0010] Preferably, a controller is fixedly connected to the right side of the grinding box, and the controller is electrically connected to electrical equipment via wires.

[0011] Preferably, the bottom of the inner cavity of the sieve box is fixedly connected to a sieve screen by bolts, and the sieve screen is designed to be detachable.

[0012] Preferably, the top of the grinding box has a feed inlet, and the area of ​​the feed inlet is smaller than the area of ​​the cover plate.

[0013] Preferably, anti-detachment grooves are provided at both the front and rear ends of the top of the grinding box, and a connecting block is slidably connected to the left side of the inner cavity of the anti-detachment groove, with the top of the connecting block being fixedly connected to the bottom of the cover plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model uses a first motor to drive a gear to rotate. The gear drives the cover plate to move through the tooth groove. The moving cover plate exposes the feed inlet. Then, the raw material is transported to the inner cavity of the grinding box by a conveyor belt. Finally, the cover plate is returned to its original position. By adopting the above structure, the feeding work can be carried out conveniently and quickly, and dust can be prevented from falling during grinding, thus protecting the respiratory health of the workers.

[0016] 2. After the raw material enters the inner cavity of the grinding chamber, the second motor drives the crushing roller to rotate, which crushes the raw material. The crushed raw material is guided by the second guide plate and enters between the two grinding rollers. The fourth motor is started to drive the grinding roller to rotate, which grinds the raw material. Before grinding, the third motor is started to drive the active bevel gear to rotate. The active bevel gear drives the driven bevel gear to rotate. The driven bevel gear drives the threaded rod to rotate. The threaded rod drives the slider to slide in the inner cavity of the slide groove, thereby adjusting the distance between the two grinding rollers and thus adjusting the grinding fineness.

[0017] 3. After the ground raw material enters the inner cavity of the screen box, the fifth motor is started, which drives the transmission shaft to rotate. The transmission shaft drives the cam to rotate, which can vibrate the screen box. At the same time, with the help of the spring, the screening function can be realized. The screened raw material can be discharged through the third guide plate and the box door can be opened.

[0018] 4. This utility model can realize the automated control of the equipment by setting a controller, can be quickly replaced according to production needs by setting a detachable screen, and can limit the cover plate by setting an anti-detachment and connecting block to prevent it from detaching from the grinding box. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a partial cross-sectional view of the present invention;

[0021] Figure 3 This is a three-dimensional schematic diagram of the sieve box of this utility model;

[0022] Figure 4 This is a top sectional view of a partial structure of the present invention.

[0023] In the diagram: 1. Grinding box; 2. Conveyor belt; 3. Cover plate; 4. Tooth groove; 5. Gear; 6. First motor; 7. Mounting frame; 8. First guide plate; 9. Crushing roller; 10. Second motor; 11. Second guide plate; 12. Slide groove; 13. Slider; 14. Threaded rod; 15. Driven bevel gear; 16. Driving bevel gear; 17. Third motor; 18. Grinding roller; 19. Fourth motor; 20. Limiting groove; 21. Limiting block; 22. Screen box; 23. Support rod; 24. Support plate; 25. Spring; 26. Cam; 27. Drive shaft; 28. Fifth motor; 29. ​​Third guide plate; 30. Box door; 31. Controller. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] All components of this utility model are general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. Example 1:

[0026] Please see Figures 1-4 To achieve automatic feeding and dust prevention, this embodiment provides the following technical solution, specifically disclosing: a converter refractory material grinding device with screening function, including a grinding box 1, a conveyor belt 2 fixedly connected to the left side of the grinding box 1, a cover plate 3 slidably connected to the top of the grinding box 1, a toothed groove 4 opened on the top of the cover plate 3, a gear 5 meshing on the right side of the inner cavity of the toothed groove 4, a first motor 6 fixedly connected to the surface of the gear 5, a mounting bracket 7 fixedly connected to the surface of the first motor 6 through a mounting seat, the top of the mounting bracket 7 fixedly connected to the top of the grinding box 1, and a third guide plate 29 fixedly connected to the bottom of the inner cavity of the grinding box 1, the third guide plate 29 being inclined. The grinding box 1 has a discharge port at the bottom right side. The inner cavity of the discharge port is hinged to a door 30. A controller 31 is fixedly connected to the right side of the grinding box 1. The controller 31 is electrically connected to electrical equipment through wires. By setting the controller 31, the automatic control of this equipment can be realized. The top of the grinding box 1 has a feed port, and the area of ​​the feed port is smaller than the area of ​​the cover plate 3. Anti-detachment grooves are set at both the front and rear ends of the top of the grinding box 1. A connecting block is slidably connected to the left side of the inner cavity of the anti-detachment groove. The top of the connecting block is fixedly connected to the bottom of the cover plate 3. By setting the anti-detachment groove and the connecting block, the cover plate 3 can be limited to prevent it from detaching from the grinding box 1. Example 2:

[0027] Please see Figure 1 As shown in the figure, in order to achieve the purpose of pulverization, this embodiment provides the following technical solution, which specifically discloses that: the top of both sides of the inner cavity of the grinding box 1 is fixedly connected to a first guide plate 8, and the surface of the grinding box 1 and the bottom of the first guide plate 8 are fixedly connected to a crushing roller 9 through a bearing. The front end of the crushing roller 9 extends through the surface of the grinding box 1 and is fixedly connected to a second motor 10. The surface of the second motor 10 is fixedly connected to the surface of the grinding box 1. Example 3:

[0028] Please see Figure 1As shown in the figure, this embodiment provides the following technical solution to achieve the grinding purpose, specifically: a second guide plate 11 is fixedly connected to both sides of the inner cavity of the grinding box 1 and to the bottom of the crushing roller 9. Slide grooves 12 are provided at both the front and rear ends of the inner wall of the grinding box 1 and to the bottom of the second guide plate 11. Slide blocks 13 are slidably connected to both sides of the inner cavity of the slide grooves 12. Threaded rods 14 are threadedly connected to the inner cavity of the slide blocks 13. One end of the threaded rod 14 is fixedly connected to the inner wall of the slide groove 12 through a bearing. Driven bevel gears 15 are fixedly connected to the opposite ends of the two threaded rods 14. A driving bevel gear 16 meshes between the two driven bevel gears 15. A third motor 17 is fixedly connected to the back of the driving bevel gear 16. The surface of the third motor 17 is fixedly connected to the surface of the grinding box 1. A grinding roller 18 is fixedly connected to the surface of the slide blocks 13 through a bearing. The front end of the grinding roller 18 extends to the outside of the grinding box 1 and is fixedly connected to a fourth motor 19. Example 4:

[0029] Please see Figure 1 As shown in the figure, this embodiment provides the following technical solution to achieve the purpose of screening, specifically: Limiting grooves 20 are provided on the bottom of both sides of the inner cavity of the grinding box 1. Limiting blocks 21 are slidably connected to the inner cavity of the limiting grooves 20. A sieve box 22 is fixedly connected to the side of the limiting block 21 away from the limiting grooves 20. Support rods 23 are fixedly connected to both the front and rear ends of the bottom of the sieve box 22. A support plate 24 is provided through the bottom of the support rod 23. One side of the support plate 24 is fixedly connected to the inner wall of the grinding box 1. A spring 25 is sleeved on the surface of the support rod 23. The two ends of 25 are fixedly connected to the surfaces of the screen box 22 and the support plate 24, respectively. Cams 26 are provided on both sides of the bottom of the screen box 22. A drive shaft 27 is fixedly connected to the shaft of the cam 26. One end of the drive shaft 27 is fixedly connected to the inner wall of the grinding box 1 through a bearing. The other end of the drive shaft 27 passes through to the outside of the grinding box 1 and is fixedly connected to the fifth motor 28. A screen is fixedly connected to the bottom of the inner cavity of the screen box 22 by bolts. The screen is designed to be detachable. By setting a detachable screen, it can be quickly replaced according to production needs.

[0030] The control method of this utility model is automatic control through controller 31. The control circuit of controller 31 can be implemented by simple programming by those skilled in the art, which is common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0031] In operation, the first motor 6 drives the gear 5 to rotate, and the gear 5 moves the cover plate 3 through the tooth groove 4. The moving cover plate 3 opens the feed inlet, and the raw material is then transported to the inner cavity of the grinding chamber 1 by the conveyor belt 2. The cover plate 3 is then returned to its original position. This structure allows for convenient and rapid feeding, and prevents dust from falling during grinding, protecting the respiratory health of the workers. After the raw material enters the inner cavity of the grinding chamber 1, the second motor 10 drives the crushing roller 9 to rotate, thus crushing the material. The crushed material is then guided by the second guide plate 11 and enters between the two grinding rollers 18. The fourth motor 19 is then activated to drive the grinding rollers 18 to rotate, thus grinding the material. Before grinding, the third motor 17 is started to drive the active bevel gear 16 to rotate. The active bevel gear 16 drives the driven bevel gear 15 to rotate. The driven bevel gear 15 drives the threaded rod 14 to rotate. The threaded rod 14 drives the slider 13 to slide in the inner cavity of the slide groove 12, thereby adjusting the distance between the two grinding rollers 18 and thus adjusting the grinding fineness. After the ground material enters the inner cavity of the screen box 22, the fifth motor 28 is started. The fifth motor 28 drives the transmission shaft 27 to rotate. The transmission shaft 27 drives the cam 26 to rotate, which can vibrate the screen box 22. At the same time, with the cooperation of the spring 25, the screening function can be realized. The screened material can be discharged through the third guide plate 29 and the box door 30 is opened.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding device for converter refractory materials with screening function, comprising a grinding box (1), characterized in that: A conveyor belt (2) is fixedly connected to the left side of the grinding box (1), and a cover plate (3) is slidably connected to the top of the grinding box (1). A toothed groove (4) is opened on the top of the cover plate (3), and a gear (5) meshes on the right side of the inner cavity of the toothed groove (4). A first motor (6) is fixedly connected to the surface of the gear (5), and a mounting bracket (7) is fixedly connected to the surface of the first motor (6) through a mounting seat. The top of the mounting bracket (7) is fixedly connected to the top of the grinding box (1). The top of both sides of the inner cavity of the grinding box (1) is fixedly connected to a first guide plate (8). The surface of the grinding box (1) and the bottom of the first guide plate (8) are fixedly connected to a crushing roller (9) by a bearing. The front end of the crushing roller (9) extends through the surface of the grinding box (1) and is fixedly connected to a second motor (10). The surface of the second motor (10) is fixedly connected to the surface of the grinding box (1). A second guide plate (11) is fixedly connected to both sides of the inner cavity of the grinding box (1) and to the bottom of the crushing roller (9). Slide grooves (12) are provided at both the front and rear ends of the inner wall of the grinding box (1) and to the bottom of the second guide plate (11). Sliding blocks (13) are slidably connected to both sides of the inner cavity of the slide grooves (12). Threaded rods (14) are threadedly connected to the inner cavity of the sliding blocks (13). One end of the threaded rod (14) is fixedly connected to the inner wall of the slide groove (12) via a bearing. The two threaded rods (14) are connected to each other... One end of each pair is fixedly connected to a driven bevel gear (15), and a driving bevel gear (16) meshes between the two driven bevel gears (15). A third motor (17) is fixedly connected to the back of the driving bevel gear (16). The surface of the third motor (17) is fixedly connected to the surface of the grinding box (1). A grinding roller (18) is fixedly connected to the surface of the slider (13) through a bearing. The front end of the grinding roller (18) extends through to the outside of the grinding box (1) and is fixedly connected to a fourth motor (19). The grinding box (1) has limit grooves (20) on both sides of its inner cavity bottom. Limit blocks (21) are slidably connected to the inner cavity of the limit grooves (20). A sieve box (22) is fixedly connected to the side of the limit block (21) away from the limit grooves (20). Support rods (23) are fixedly connected to the front and rear ends of the bottom of the sieve box (22). A support plate (24) is provided through the bottom of the support rod (23). One side of the support plate (24) is fixedly connected to the inner wall of the grinding box (1). A spring (25) is fitted on the surface of 23). The two ends of the spring (25) are fixedly connected to the surfaces of the screen box (22) and the support plate (24), respectively. Cams (26) are provided on both sides of the bottom of the screen box (22). A drive shaft (27) is fixedly connected to the axis of the cam (26). One end of the drive shaft (27) is fixedly connected to the inner wall of the grinding box (1) through a bearing. The other end of the drive shaft (27) extends through to the outside of the grinding box (1) and is fixedly connected to a fifth motor (28).

2. The converter refractory grinding device with screening function according to claim 1, characterized in that: The bottom of the inner cavity of the grinding box (1) is fixedly connected to a third guide plate (29), which is designed to be inclined.

3. The converter refractory grinding device with screening function according to claim 1, characterized in that: The bottom right side of the grinding box (1) has a discharge port, and the inner cavity of the discharge port is hinged to a box door (30).

4. A converter refractory grinding device with screening function according to claim 1, characterized in that: A controller (31) is fixedly connected to the right side of the grinding box (1), and the controller (31) is electrically connected to the electrical equipment through a wire.

5. A converter refractory grinding device with screening function according to claim 1, characterized in that: The bottom of the inner cavity of the sieve box (22) is fixedly connected to a screen by bolts, and the screen is designed to be detachable.

6. A converter refractory grinding device with screening function according to claim 1, characterized in that: The grinding box (1) has a feed inlet on its top, and the area of ​​the feed inlet is smaller than the area of ​​the cover plate (3).

7. A converter refractory grinding device with screening function according to claim 1, characterized in that: The grinding box (1) has anti-detachment grooves at both the front and rear ends of the top. A connecting block is slidably connected to the left side of the anti-detachment groove cavity. The top of the connecting block is fixedly connected to the bottom of the cover plate (3).

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