Polishing device

Abstract

The utility model discloses a polishing device which comprises an operation table, supporting columns are fixedly connected to the four end corners of the lower end of the operation table, a first notch is formed in the operation table and penetrates through the two ends of the operation table, a moving mechanism is arranged in the first notch, and connecting columns are arranged at the two ends of the moving mechanism. The ends, away from the moving mechanism, of the connecting columns extend to the upper end of the operation table, and a grinding mechanism is arranged between the two connecting columns. According to the polishing device provided by the utility model, through the structural matching design of the moving mechanism and the combined mechanism, when a color steel plate is polished, the polishing mechanism can be driven to move through the structure of the moving mechanism and the connecting column, and the polishing position is moved through the movement of the polishing mechanism; and therefore, the grinding efficiency of the color steel plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of color steel plate grinding, in particular to a grinding device. Background Art

[0002] Color steel plate grinding is to remove surface unevenness, oxides, rust, dirt and other substances on the surface by physical or chemical treatment of the surface of the color steel plate to achieve a smooth and beautiful effect.

[0003] Referring to the patent number CN201405254Y for the surface grinding machine of the color steel plate, the patent states as follows: This technical solution is not only conducive to enhancing the bonding strength between the color steel plate and the foam board, improving the performance of the foam sandwich board, and ensuring the product quality of the foam sandwich board, but also further improves the production equipment and process of the foam sandwich board;

[0004] However, during the implementation process, the applicant found that the patent had the following problems:

[0005] Most of the existing color steel plate grinding equipment cannot adjust the position of the grinding equipment according to the actual situation during the specific application process. The color steel plate can only be moved manually, and the grinding position can be moved by moving the color steel plate, thereby reducing the efficiency of the color steel plate grinding;

[0006] Therefore, it is necessary to propose a grinding device to solve the above-mentioned technical problems and provide a new technical solution. Utility Model Content

[0007] Based on this, it is necessary to provide a grinding device to address the above-mentioned technical problems. Through the structural coordination design of the moving mechanism and the combined mechanism, when grinding the color steel plate, the grinding mechanism can be driven to move through the structure of the moving mechanism and the connecting column, and the grinding position can be moved through the movement of the grinding mechanism, thereby improving the efficiency of grinding the color steel plate.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0009] A grinding device is used for grinding color steel plates.

[0010] The grinding device specifically includes a protective plate and an operating table, and support columns are fixedly connected at the four end corners of the lower end of the operating table. A first slot is opened inside the operating table, and the first slot runs through the two ends of the operating table. A moving mechanism is arranged inside the first slot, and connecting columns are arranged at both ends of the moving mechanism. The connecting columns extend from one end of the connecting column away from the moving mechanism to the upper end of the operating table. A grinding mechanism is arranged between two connecting columns, and the grinding mechanism is located at the upper end of the operating table. Combination mechanisms are arranged at the middle positions of the two ends of the upper end of the operating table, and the two combination mechanisms are symmetrically arranged.

[0011] As a preferred embodiment of the grinding device provided by the utility model, the moving mechanism includes a first motor, both ends of the upper and lower ends of the first motor are fixedly connected with a first slider, the upper and lower ends of the first notch and the positions corresponding to the first slider are provided with a first slide groove, the first slider is slidably connected to the first slide groove, the output ends at both ends of the first motor are fixedly connected with a round rod, the end of the round rod away from the first motor is rotatably connected with a first bearing, the end of the first bearing away from the round rod is fixedly connected with a connecting block, the end of the connecting block away from the first bearing is fixedly connected to the connecting column at the same end, the connecting block is slidably connected to the first notch, the upper and lower ends of the connecting block located inside the first notch are fixedly connected with a second slider, the inside of the first notch and the position corresponding to the second slider are provided with a second slide groove, the second slider is slidably connected to the second slide groove, the outside of the round rod and the position between the connecting block and the first motor is fixedly connected with a gear, the upper end of the first notch and the position corresponding to the gear is fixedly connected with a rack, and the gear is meshed with the rack.

[0012] As a preferred embodiment of the grinding device provided by the utility model, the combined mechanism includes a fixed column, a cavity is opened on the opposite side of the two fixed columns, second slots are opened at both ends of the cavity, a lifting mechanism is arranged inside the second slot, and a clamping and rotating mechanism is also arranged in the cavity.

[0013] As a preferred embodiment of the grinding device provided by the utility model, the lifting mechanism includes a second motor, the second motor is fixedly connected to the bottom inside the second slot, the output end of the second motor is fixedly connected to the first screw, the end of the first screw away from the second motor is rotatably connected to the second bearing, and the end of the second bearing away from the first screw is fixedly connected to the top inside the second slot.

[0014] As a preferred embodiment of the grinding device provided by the utility model, the clamping and rotating mechanism includes a third motor, the third motor is slidably connected to the cavity, and the third motor is fixedly connected to the third slider at both ends inside the cavity, the two third sliders extend to the inside of the second notch at the same end respectively and are threadedly connected to the first screw, the third slider is slidably connected to the second notch, the output end of the third motor extends from the inside of the cavity to the outside of the fixed column and is fixedly connected to a connecting plate, and the second clamping plate and the first clamping plate are provided on the side of the connecting plate away from the third motor, the first clamping plate and the second clamping plate are arranged opposite to each other, one side of the second clamping plate is fixedly connected to the lower end of the connecting plate, and the first clamping plate is located at the second clamping plate At the upper end position, both ends of the first clamping plate close to the third motor side are fixedly connected to the fourth sliding block, and the third sliding groove is opened at the positions of the connecting plate corresponding to the fourth sliding block, and the fourth sliding block is slidably connected to the third sliding groove, and the middle part of the upper end of the connecting plate is fixedly connected to the first fixing block, the middle part of the first fixing block is threadedly connected to the second screw, the upper end of the second screw is located at the outer side of the upper end of the first fixing block and is fixedly connected to the rotating handle, and the end of the second screw away from the rotating handle is located at the outer side of the lower end of the first fixing block and is rotatably connected to the third bearing, and the end of the third bearing away from the second screw is fixedly connected to the first clamping plate, the lower end of the first clamping plate is fixedly connected to the first clamping pad, and the upper end of the second clamping plate is fixedly connected to the second clamping pad.

[0015] As a preferred embodiment of the grinding device provided by the utility model, the grinding mechanism includes a fixing rod, two ends of the fixing rod are respectively fixedly connected to the connecting columns at the two ends, a third notch is provided in the middle of the fixing rod, the third notch runs through the upper and lower ends of the fixing rod, a fifth slider is slidably connected inside the third notch, the lower end of the fifth slider extends to the outside of the lower end of the fixing rod and is fixedly connected to the grinding assembly, the upper end of the fifth slider is fixedly connected to the second fixing block, the end of the second fixing block is fixedly connected to the fourth motor, both side output ends of the fourth motor are fixedly connected to rollers, a fourth slide groove is provided at the upper end of the fixing rod and at a position corresponding to the roller, and the fifth slider is rollingly connected to the inside of the fourth slide groove.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model provides a grinding device, which is designed through the structural coordination of a moving mechanism and a combined mechanism, so that when grinding a color steel plate, the grinding mechanism can be driven to move through the structure of the moving mechanism and the connecting column, and the grinding position can be moved through the movement of the grinding mechanism, thereby improving the efficiency of grinding the color steel plate.

[0018] The utility model provides a grinding device, which can clamp the color steel plate through the combined mechanism through the structural design of the combined mechanism, and then adjust the turning angle of the color steel plate after clamping, thereby improving the grinding efficiency of the color steel plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the overall structure of a grinding device provided by the utility model;

[0021] Figure 2 A schematic diagram of the structure of a moving mechanism of a grinding device provided by the utility model;

[0022] Figure 3 A schematic diagram of the structure of a grinding device assembly mechanism provided by the utility model;

[0023] Figure 4 A schematic diagram of the structure of a lifting mechanism and a clamping and rotating mechanism of a grinding device provided by the utility model;

[0024] Figure 5 The utility model provides a structural schematic diagram of a grinding mechanism of a grinding device.

[0025] The markings in the figure are as follows:

[0026] 1. Operation table; 2. Support column; 3. First notch; 4. Moving mechanism; 5. Connecting column; 6. Combining mechanism; 7. Grinding mechanism; 8. First motor; 9. First slider; 10. First slide groove; 11. Round rod; 12. Gear; 13. Rack; 14. First bearing; 15. Connecting block; 16. Second slider; 17. Second slide groove; 18. Fixed column; 19. Second notch; 20. Lifting mechanism; 21. Clamping and rotating mechanism; 22. First screw; 23. Second motor; 24. Second Bearing; 25, third motor; 26, third slider; 27, connecting plate; 28, first fixed block; 29, second screw; 30, handle; 31, third bearing; 32, third slide; 33, fourth slider; 34, first clamping plate; 35, first clamping pad; 36, second clamping plate; 37, second clamping pad; 38, fixing rod; 39, fourth slide; 40, third notch; 41, fifth slider; 42, second fixed block; 43, fourth motor; 44, roller; 45, grinding assembly. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0028] As described in the background technology, most of the existing color steel plate grinding equipment cannot adjust the position of the grinding equipment according to actual conditions during specific applications. The color steel plate can only be moved manually, and the grinding position can be moved by moving the color steel plate, thereby reducing the efficiency of grinding the color steel plate.

[0029] In order to solve this technical problem, the utility model provides a grinding device, which is used for grinding color steel plates.

[0030] Specifically, please refer to Figure 1 A grinding device specifically includes an operating table 1, and support columns 2 are fixedly connected at the positions of the four end corners of the lower end of the operating table 1. A first slot 3 is opened inside the operating table 1, and the first slot 3 runs through the two ends of the operating table 1. A moving mechanism 4 is arranged inside the first slot 3, and connecting columns 5 are arranged at both ends of the moving mechanism 4. The connecting column 5 extends from one end of the connecting column 5 away from the moving mechanism 4 to the upper end of the operating table 1. A grinding mechanism 7 is arranged between the two connecting columns 5, and the grinding mechanism 7 is located at the upper end of the operating table 1. Combination mechanisms 6 are arranged at the middle positions of the two ends of the upper end of the operating table 1, and the two combination mechanisms 6 are symmetrically arranged.

[0031] The utility model provides a grinding device, which is designed through the structural coordination of a moving mechanism 4 and a combined mechanism 6, so that when grinding a color steel plate, the structure of the moving mechanism 4 and the connecting column 5 can drive the grinding mechanism 7 to move, and the grinding position is moved by the movement of the grinding mechanism 7, thereby improving the efficiency of grinding the color steel plate.

[0032] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0033] Embodiment 1:

[0034] Please refer to Figure 1-Figure 4A grinding device comprises an operating table 1, wherein support columns 2 are fixedly connected at the four end corners of the lower end of the operating table 1, a first slot 3 is opened inside the operating table 1, the first slot 3 runs through the two ends of the operating table 1, a moving mechanism 4 is arranged inside the first slot 3, and connecting columns 5 are arranged at both ends of the moving mechanism 4, and the connecting columns 5 extend to the upper end of the operating table 1 away from one end of the moving mechanism 4, a grinding mechanism 7 is arranged between the two connecting columns 5, and the grinding mechanism 7 is located at the upper end of the operating table 1, and a combination mechanism 6 is arranged at the middle position of the two ends of the upper end of the operating table 1, and the two combination mechanisms 6 are symmetrically arranged.

[0035] Through the above structural design, it can be known that the color steel plate can be clamped by the combination mechanism 6, the color steel plate can be polished and adjusted by the polishing mechanism 7, and the position of the polishing mechanism 7 can be moved by the structural cooperation between the connecting column 5 and the moving mechanism 4.

[0036] Specifically, the moving mechanism 4 includes a first motor 8, wherein, in order to limit and guide the movement of the first motor 8, both ends of the upper and lower ends of the first motor 8 are fixedly connected with first sliders 9, and first slide grooves 10 are provided at the upper and lower ends of the first notch 3 and at positions corresponding to the first slider 9. The first slider 9 is slidably connected to the first slide groove 10, and the output ends of both ends of the first motor 8 are fixedly connected with round rods 11, and the end of the round rod 11 away from the first motor 8 is rotatably connected with a first bearing 14, and the end of the first bearing 14 away from the round rod 11 is fixedly connected with a connecting block 15, and the end of the connecting block 15 away from the first bearing 14 is connected to the connecting column at the same end. 5 is fixedly connected, and the connecting block 15 is slidably connected to the first slot 3. In order to limit and guide the movement of the connecting block 15, the upper and lower ends of the connecting block 15 located inside the first slot 3 are fixedly connected with second sliders 16. A second slide groove 17 is provided inside the first slot 3 and at a position corresponding to the second slider 16. The second slider 16 is slidably connected to the second slide groove 17. The outer side of the round rod 11 and the position between the connecting block 15 and the first motor 8 are fixedly connected with a gear 12. The upper end of the first slot 3 and the position corresponding to the gear 12 are fixedly connected with a rack 13. The gear 12 is meshed and connected with the rack 13.

[0037] Through the above structural design, it can be known that when the position of the grinding mechanism 7 needs to be moved, the first motor 8 inside the first slot 3 is started, and then after the first motor 8 is started, the output ends of the first motor 8 at both ends drive the round rods 11 at both ends to rotate on the first bearing 14, and the round rod 11 is rotated to drive the gear 12 to move on the rack 13, and the round rod 11 is moved by the movement of the gear 12 on the rack 13, and then the round rod 11 drives the first motor 8 and the connecting block 15 to move, and the movement of the connecting block 15 drives the connecting column 5 to move, and then the movement of the two connecting columns 5 can drive the position of the grinding mechanism 7 to move.

[0038] Specifically, the combined mechanism 6 includes a fixed column 18, a cavity is opened on the opposite side of the two fixed columns 18, second slots 19 are opened at both ends of the cavity, a lifting mechanism 20 is arranged inside the second slot 19, and a clamping and rotating mechanism 21 is also arranged in the cavity.

[0039] Through the above structural design, it can be known that the height of the clamping and rotating mechanism 21 can be adjusted through the lifting mechanism 20, and the clamping and rotating mechanism 21 can be used to adjust the color steel plate.

[0040] Specifically, the lifting mechanism 20 includes a second motor 23, which is fixedly connected to the bottom of the second slot 19, and the output end of the second motor 23 is fixedly connected to the first screw 22, and the end of the first screw 22 away from the second motor 23 is rotatably connected to the second bearing 24, and the end of the second bearing 24 away from the first screw 22 is fixedly connected to the top of the second slot 19.

[0041] Specifically, the clamping and rotating mechanism 21 includes a third motor 25, which is slidably connected to the cavity, and both ends of the third motor 25 located inside the cavity are fixedly connected to third sliders 26, and the two third sliders 26 extend to the inside of the second notch 19 at the same end respectively and are threadedly connected to the first screw 22, and the third slider 26 is slidably connected to the second notch 19, and the output end of the third motor 25 extends from the inside of the cavity to the outside of the fixed column 18 and is fixedly connected to a connecting plate 27, and a second clamping plate 36 and a first clamping plate 34 are provided on the side of the connecting plate 27 away from the third motor 25, and the first clamping plate 34 is arranged opposite to the second clamping plate 36, and one side of the second clamping plate 36 is fixedly connected to the lower end of the connecting plate 27, and the first clamping plate 34 is located at the upper end position of the second clamping plate 36, and the first clamping plate 34 is close to Both ends of one side of the third motor 25 are fixedly connected with a fourth slider 33, and a third slide groove 32 is provided at the position corresponding to the fourth slider 33 of the connecting plate 27, and the fourth slider 33 is slidably connected with the third slide groove 32. The middle part of the upper end of the connecting plate 27 is fixedly connected with the first fixing block 28, and the middle part of the first fixing block 28 is threadedly connected with the second screw 29, and the upper end of the second screw 29 is located on the outer side of the upper end of the first fixing block 28 and is fixedly connected with a rotating handle 30, and the end of the second screw 29 away from the rotating handle 30 is located on the outer side of the lower end of the first fixing block 28 and is rotatably connected with a third bearing 31, and the end of the third bearing 31 away from the second screw 29 is fixedly connected with the first clamping plate 34, and the lower end of the first clamping plate 34 is fixedly connected with the first clamping pad 35, and the upper end of the second clamping plate 36 is fixedly connected with the second clamping pad 37

[0042] Through the above structural design, it can be known that when the height of the clamping and rotating mechanism 21 needs to be adjusted, the second motor 23 inside the second slot 19 is started, and then the first screw 22 is driven to rotate on the second bearing 24 through the start of the second motor 23, and the third motor 25 is driven to move up and down inside the second slot 19 through the rotation of the first screw 22.

[0043] Through the above structural design, it can be known that when it is necessary to clamp the color steel plate, by placing the two sides of the color steel plate at the position between the second clamping plate 36 and the first clamping plate 34 on the same side, by rotating the handle 30, the rotation of the handle 30 drives the second screw 29 to approach the second clamping plate 36, and then drives the first clamping plate 34 to approach the second clamping plate 36. The first clamping plate 34 approaches the second clamping plate 36 so that the first clamping pad 35 clamps and limits the color steel plate. After the color steel plate is clamped, when it is necessary to flip the color steel plate, the third motor 25 can be started, and the output end of the third motor 25 drives the connecting plate 27 to rotate with the center of the circle of the output end of the third motor 25 as the axis, so that the flipping angle of the color steel plate can be adjusted.

[0044] Embodiment 2:

[0045] A grinding device provided in Example 1 is further optimized, specifically, as Figure 5 As shown, the grinding mechanism 7 includes a fixed rod 38, both ends of the fixed rod 38 are fixedly connected to the connecting columns 5 at both ends respectively, a third notch 40 is opened in the middle of the fixed rod 38, the third notch 40 runs through the upper and lower ends of the fixed rod 38, a fifth slider 41 is slidably connected inside the third notch 40, the lower end of the fifth slider 41 extends to the outer side of the lower end of the fixed rod 38 and is fixedly connected to a grinding assembly 45, the upper end of the fifth slider 41 is fixedly connected to a second fixed block 42, the end of the second fixed block 42 is fixedly connected to a fourth motor 43, both side output ends of the fourth motor 43 are fixedly connected to rollers 44, a fourth slide groove 39 is opened at the upper end of the fixed rod 38 and at a position corresponding to the roller 44, and the fifth slider 41 is rollingly connected to the inside of the fourth slide groove 39.

[0046] Through the above structural design, it can be known that when the grinding assembly 45 needs to be moved, the fourth motor 43 in the second fixed block 42 is started, and then the start of the fourth motor 43 drives the rollers 44 on both sides to roll in the fourth slide groove 39, and the rolling of the rollers 44 can drive the second fixed block 42 to move, and then the second fixed block 42 drives the fifth slider 41 to move inside the third slot 40, and the movement of the fifth slider 41 drives the grinding assembly 45 to move its position.

Claims

1. A grinding device, characterized in that: The invention comprises an operating table (1), wherein the four end corners of the lower end of the operating table (1) are fixedly connected to support columns (2), the interior of the operating table (1) is provided with a first notch (3), the first notch (3) runs through the two ends of the operating table (1), a moving mechanism (4) is arranged inside the first notch (3), both ends of the moving mechanism (4) are provided with connecting columns (5), one end of the connecting column (5) away from the moving mechanism (4) extends to the upper end of the operating table (1), a grinding mechanism (7) is arranged between two connecting columns (5), the grinding mechanism (7) is located at the upper end of the operating table (1), and a combination mechanism (6) is arranged at the middle position of the two ends of the upper end of the operating table (1), and the two combination mechanisms (6) are symmetrically arranged.

2. A grinding device according to claim 1, characterized in that: The moving mechanism (4) comprises a first motor (8), both ends of the first motor (8) are fixedly connected to first sliders (9), the first notch (3) has first slide grooves (10) at the upper and lower ends and at positions corresponding to the first sliders (9), the first sliders (9) are slidably connected to the first slide grooves (10), the output ends of both ends of the first motor (8) are fixedly connected to round rods (11), one end of the round rod (11) away from the first motor (8) is rotatably connected to a first bearing (14), one end of the first bearing (14) away from the round rod (11) is fixedly connected to a connecting block (15), and one end of the connecting block (15) away from the first bearing (14) is connected to a connecting column (15) at the same end. 5) is fixedly connected, the connecting block (15) is slidably connected to the first slot (3), the connecting block (15) is fixedly connected to the second slider (16) at both upper and lower ends located inside the first slot (3), a second slide groove (17) is provided inside the first slot (3) and at a position corresponding to the second slider (16), the second slider (16) is slidably connected to the second slide groove (17), a gear (12) is fixedly connected to the outer side of the round rod (11) and at a position between the connecting block (15) and the first motor (8), a rack (13) is fixedly connected to the upper end of the first slot (3) and at a position corresponding to the gear (12), and the gear (12) is meshingly connected to the rack (13).

3. A grinding device according to claim 2, characterized in that: The combined mechanism (6) comprises a fixed column (18), a cavity is provided on the opposite side of the two fixed columns (18), second notches (19) are provided at both ends of the cavity, a lifting mechanism (20) is provided inside the second notch (19), and a clamping and rotating mechanism (21) is also provided in the cavity.

4. A grinding device according to claim 3, characterized in that: The lifting mechanism (20) comprises a second motor (23), the second motor (23) is fixedly connected to the bottom of the second slot (19), the output end of the second motor (23) is fixedly connected to the first screw (22), one end of the first screw (22) away from the second motor (23) is rotatably connected to the second bearing (24), and one end of the second bearing (24) away from the first screw (22) is fixedly connected to the top of the second slot (19).

5. A grinding device according to claim 4, characterized in that: The clamping and rotating mechanism (21) comprises a third motor (25), the third motor (25) is slidably connected to the cavity, and both ends of the third motor (25) located inside the cavity are fixedly connected to third sliders (26), the two third sliders (26) respectively extend to the inside of the second notch (19) at the same end and are threadedly connected to the first screw rod (22), the third slider (26) is slidably connected to the second notch (19), and the output end of the third motor (25) extends from the inside of the cavity to A connecting plate (27) is fixedly connected to the outer side of the fixing column (18), and a second clamping plate (36) and a first clamping plate (34) are arranged on the side of the connecting plate (27) away from the third motor (25). The first clamping plate (34) and the second clamping plate (36) are arranged opposite to each other, and one side of the second clamping plate (36) is fixedly connected to the lower end of the connecting plate (27). The first clamping plate (34) is located at the upper end of the second clamping plate (36), and the first clamping plate (34) is close to the third motor (25). Both ends of one side of the third motor (25) are fixedly connected with a fourth slider (33), a third slide groove (32) is provided at a position corresponding to the fourth slider (33) of the connecting plate (27), the fourth slider (33) is slidably connected with the third slide groove (32), a first fixed block (28) is fixedly connected to the middle of the upper end of the connecting plate (27), a second screw rod (29) is threadedly connected to the middle of the first fixed block (28), and the upper end of the second screw rod (29) is located at the first fixed block (2 8) is fixedly connected to the outer side of the upper end thereof with a rotating handle (30), one end of the second screw rod (29) away from the rotating handle (30) is located on the outer side of the lower end of the first fixed block (28) and is rotatably connected to a third bearing (31), one end of the third bearing (31) away from the second screw rod (29) is fixedly connected to a first clamping plate (34), the lower end of the first clamping plate (34) is fixedly connected to a first clamping pad (35), and the upper end of the second clamping plate (36) is fixedly connected to a second clamping pad (37).

6. A grinding device according to claim 1, characterized in that: The grinding mechanism (7) comprises a fixed rod (38), the two ends of which are fixedly connected to the connecting columns (5) at the two ends respectively, a third notch (40) is provided in the middle of the fixed rod (38), the third notch (40) passes through the upper and lower ends of the fixed rod (38), a fifth slider (41) is slidably connected inside the third notch (40), the lower end of the fifth slider (41) extends to the outer side of the lower end of the fixed rod (38) and is fixedly connected to a grinding assembly (45), the upper end of the fifth slider (41) is fixedly connected to a second fixed block (42), the end of the second fixed block (42) is fixedly connected to a fourth motor (43), both sides of the output ends of the fourth motor (43) are fixedly connected to rollers (44), a fourth slide groove (39) is provided at the upper end of the fixed rod (38) and at a position corresponding to the roller (44), and the fifth slider (41) is rollingly connected to the inside of the fourth slide groove (39).

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