Plate cutting device

Abstract

A plate cutting device is used for solving the technical problems that when a plate is fixedly cut, burrs on the cutting edge of the cut plate usually damage palms to a certain extent when an operator takes the plate, and meanwhile the attractiveness of the plate which is just machined is affected. Two opposite and horizontal sliding grooves are formed in the two sides of the workbench, a support is slidably connected into the two sliding grooves, a moving assembly capable of vertically sliding is slidably installed on the support, a pressing assembly is installed on the moving assembly, and a cutting assembly and a chamfering assembly are further installed on the moving assembly. A rotating assembly used for containing a to-be-cut plate is further installed on the workbench, the pressing assembly and the rotating assembly are vertically opposite, and the moving assembly is used for moving downwards to enable the pressing assembly to press the plate placed on the rotating assembly and meanwhile enable the cutting assembly to cut the plate. And meanwhile, the edge of the to-be-cut plate is polished and chamfered through the chamfering assembly. The plate cutting and polishing device is used for polishing the plate while cutting the plate.

Description

Technical Field

[0001] The invention relates to the technical field of plate processing, and in particular to a plate cutting device. Background Art

[0002] As a commonly used raw material in furniture, many boards need to be cut and processed. However, during the cutting process, it is usually necessary to deal with the dust at the cutting point.

[0003] In the prior art, a utility model patent document with authorization announcement number "CN213052964U" and patent name "A plate cutting device" discloses a plate cutting device, which includes a cutting box, movable blocks are arranged on both sides of the bottom end of the cutting box, fixed plates are arranged on the tops of the two groups of movable blocks, and fixing bolts are arranged at both ends of the two groups of fixed plates that penetrate into the interior of the movable block, a bidirectional threaded rod is arranged at one end of the cutting box and penetrates into the interior of the movable block, and a limiting rod is arranged inside the cutting box away from one end of the bidirectional threaded rod and penetrates into the interior of the movable block.

[0004] In the above patent document, the plates of different thicknesses can be fixed by cooperating with the moving block and the bidirectional threaded rod, and with the fixing plate and the fixing bolt. However, when the plates are fixed and cut, the burrs on the cutting edges of the cut plates usually scratch and stab the palms of the operators when they pick up the plates, and at the same time affect the appearance of the newly processed plates. Summary of the invention

[0005] The purpose of the present invention is to address the deficiencies of the prior art and to propose a plate cutting device for solving the technical problem that when the plate is fixedly cut, the burrs on the cutting edge of the cut plate usually cause damage to the operator's palm and affect the appearance of the newly processed plate.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] A plate cutting device comprises a workbench, two opposite and horizontal slide grooves are opened on both sides of the workbench, and brackets are slidably connected in the two slide grooves. A moving component that can slide vertically is slidably installed on the bracket, a clamping component is installed on the moving component, and a cutting component and a chamfering component are also installed on the moving component. The cutting component is located between the chamfering component and the clamping component. A rotating component for placing a plate to be cut is also installed on the workbench, and the clamping component is opposite to the rotating component up and down. The moving component is used to move downward so that the clamping component presses the plate placed on the rotating component, and at the same time, the cutting component cuts the plate, and at the same time, the chamfering component grinds and chamfers the edge of the plate to be cut.

[0008] Working principle:

[0009] First, the operator places the plate on the workbench and places the plate opposite to the clamping assembly. Then, the operator moves the sliding assembly up and down through external force. The sliding assembly simultaneously drives the clamping assembly, the cutting assembly and the chamfering assembly to move downward. The clamping assembly clamps the plate placed on the workbench. When the plate is almost completely clamped by the clamping assembly, the operator brings one end of the plate into contact with the chamfering assembly. At the same time, the operator starts the cutting assembly. The cutting assembly can drive the chamfering assembly to rotate while starting. When the cutting assembly cuts the plate, the edge of the plate is polished and chamfered to remove burrs. At the same time, the cut plate can also be clamped to perform the cutting operation.

[0010] The beneficial effects of the present invention are:

[0011] Compared with the patent literature mentioned in the background technology, the present application document can not only fix plates of different thicknesses, but also can simultaneously grind out a chamfer at one end of the cut plate while fixing the cut plate, thereby removing burrs, thereby preventing processing personnel from directly touching the burrs on the directly processed plate with their hands, thereby reducing the chance of hand injuries to the personnel and improving the efficiency of plate processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic cross-sectional structural diagram of an embodiment of the present invention;

[0013] Figure 2 for Figure 1 A schematic diagram of the enlarged structure in the middle.

[0014] Explanation of the accompanying drawings: workbench 1, slide groove 2, first cylinder 3, fixed plate 4, first motor 5, first rotating shaft 6, mounting table 7, upper column 8, lower column 9, telescopic spring 10, limit sleeve 11, abutment plate 12, second motor 13, second rotating shaft 14, cutting blade 15, first bevel gear 16, second bevel gear 17, ball 18, support rod 19, second sliding groove 21, telescopic shaft 22, rotating roller 23, grinding roller 24, grinding paper 25, second cylinder 26, first connecting rod 27, bearing 28, grinding track 29, bolt 30, third motor 31, third rotating shaft 32, turntable 33, long strip through hole 34, bottom groove 35, fourth motor 36, fourth rotating shaft 37, guide block 38, bracket 39. DETAILED DESCRIPTION

[0015] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1As shown, a plate cutting device includes a workbench 1, two opposite and horizontal slide grooves 2 are opened on both sides of the workbench 1, and brackets 39 are slidably connected in the two slide grooves 2. A vertically slidable moving component is slidably installed on the bracket 39, a clamping component is installed on the moving component, a cutting component and a chamfering component are also installed on the moving component, and the cutting component is located between the chamfering component and the clamping component. A rotating component for placing a plate to be cut is also installed on the workbench 1, and the clamping component is opposite to the rotating component up and down, and the moving component is used to move downward so that the clamping component presses the plate placed on the rotating component, and at the same time, the cutting component cuts the plate, and at the same time, the chamfering component grinds and chamfers the edge of the plate to be cut.

[0017] First, the operator places the plate on the rotating assembly and places the plate opposite to the clamping assembly. Then, the operator uses external force to move the sliding assembly vertically. The sliding assembly simultaneously drives the clamping assembly, the cutting assembly and the chamfering assembly to move downward. The clamping assembly clamps the plate placed on the rotating assembly. When the plate is almost completely clamped by the clamping assembly, the operator brings one end of the plate into contact with the chamfering assembly. At the same time, the operator starts the cutting assembly. The cutting assembly can drive the chamfering assembly to rotate while starting. The cutting assembly cuts the plate while grinding and chamfering the edge of the plate. At the same time, the cut plate can also be clamped to perform the operation to be cut.

[0018] like Figure 1 As shown, it also includes two first cylinders 3 and a fixed plate 4. The two first cylinders 3 are fixedly mounted on the bracket 39 with the telescopic ends facing vertically downward. The fixed plate 4 is mounted on the telescopic ends of the two first cylinders 3, and the moving component is mounted on the fixed plate 4.

[0019] When it is necessary to drive the moving component to move up and down, the operator starts the two first cylinders 3, and the telescopic ends of the two first cylinders 3 drive the fixed plate 4 to move up and down. The up and down movement of the moving component drives the clamping component, the cutting component and the chamfering component to move downward. In this way, plates of different thicknesses can be fixed, and the edges of the plates can also be polished.

[0020] like Figure 1 As shown, the moving assembly includes a first motor 5, a first rotating shaft 6 of a screw structure and a mounting platform 7, the first motor 5 is fixedly mounted on the fixed plate 4, the mounting platform 7 is slidably mounted on the fixed plate 4, the first rotating shaft 6 is horizontally mounted on the output end of the first motor 5 and passes through the mounting platform 7, and the first rotating shaft 6 and the mounting platform 7 are screwed, and the clamping assembly, cutting assembly and chamfering assembly are all arranged on the mounting platform 7.

[0021] When it is necessary to cut and chamfer plates of different widths, the operator starts the first motor 5, the first motor 5 drives the first rotating shaft 6 to rotate, the first rotating shaft 6 drives the mounting table 7 to move, and the mounting table 7 slides on the fixed plate 4 and abuts against the fixed plate 4. In this way, the clamping assembly, cutting assembly and chamfering assembly are moved horizontally to ensure the expansion of processing efficiency.

[0022] like Figure 1 As shown, the clamping assembly includes an upper column 8, a lower column 9, a telescopic spring 10 and a limiting sleeve 11, all of which are vertical. The upper column 8 is fixed on the mounting table 7, and the lower column 9 is installed below the upper column 8. The two ends of the telescopic spring 10 are respectively fixed between the upper column 8 and the lower column 9. The limiting sleeve 11 is wrapped around the outer periphery of the telescopic spring 10, and the limiting sleeve 11 is slidably connected to the upper column 8 and the lower column 9. It also includes an abutment plate 12, which is fixed to the bottom of the lower column 9 and is used to press the plate and abut it against the rotating assembly. It also includes a ball 18, which is embedded in the abutment plate 12 and is rotatably connected to the abutment plate 12.

[0023] When it is necessary to firmly press the plate, the telescopic ends of the two first cylinders 3 drive the fixed plate 4 to move up and down, the fixed plate 4 drives the mounting platform 7 to move up and down, the mounting platform 7 drives the upper column 8 to move downward, the upper column 8 drives the telescopic spring 10 to move downward, the telescopic spring 10 drives the lower column 9 to move downward, the lower column 9 drives the abutment plate 12 to move downward, the abutment plate 12 drives the ball 18 to move downward, and the movement of the ball 18 abuts and presses the plate placed on the rotating component, and the ball 18 can not only press the plate, but also roll on the plate, reducing the friction generated during the movement. In this way, the plate placed on the rotating component is firmly pressed, and the cutting operation of the cutting component is convenient, saving processing steps.

[0024] like Figure 1 As shown, the cutting assembly includes a second motor 13, a second rotating shaft 14 and a cutting blade 15. The second motor 13 is fixedly mounted on the fixed plate 4. The second rotating shaft 14 is installed at the output end of the second motor 13 and is parallel to the first rotating shaft 6. The cutting blade 15 is fixedly sleeved on the second rotating shaft 14. When it is necessary to cut the plate, the operator starts the second motor 13, the second motor 13 drives the second rotating shaft 14 to rotate, and the second rotating shaft 14 drives the cutting blade 15 to rotate. Through this simple mechanical structure, the plate can be quickly cut and the durability is strong.

[0025] like Figure 1 and Figure 2As shown, it also includes a first bevel gear 16, a second bevel gear 17 and a support rod 19. The first bevel gear 16 is fixedly mounted on the second rotating shaft 14. A second sliding groove 21 with an annular structure and coaxial with the second bevel gear 17 is opened on one side of the second bevel gear 17. One end of the support rod 19 is fixedly mounted on the mounting table 7, and the other end of the support rod 19 is slidably connected to the second sliding groove 21. The second bevel gear 17 is meshed with the first bevel gear 16, and a chamfering assembly is installed on the second bevel gear 17.

[0026] When the cutting disc 15 rotates and cuts the plate, and needs to drive the chamfering assembly for grinding at the same time, the second rotating shaft 14 drives the first bevel gear 16 to rotate, and the first bevel gear 16 drives the second bevel gear 17 to rotate, and the second bevel gear 17 is supported by the support rod 19 so that the second bevel gear 17 can maintain meshing and rotating cooperation with the first bevel gear 16, and the second bevel gear 17 drives the chamfering assembly to rotate. In this way, the cutting disc 15 can chamfer the cut plate while cutting, thereby improving the efficiency of processing the plate.

[0027] like Figure 1 As shown, the chamfering assembly includes a vertical telescopic shaft 22, a vertical rotating roller 23, a vertical grinding roller 24, a grinding paper 25, a second cylinder 26, a first connecting rod 27 and a bearing 28. The telescopic shaft 22 is vertically fixed and penetrates the second bevel gear 17 and the two are coaxial. The rotating roller 23 is fixedly installed on the telescopic section at the bottom of the telescopic shaft 22. The grinding roller 24 is detachably installed on the rotating roller 23, and the grinding roller 24 is provided with a plurality of annular grinding tracks 29 coaxial with the grinding roller 24, and the plurality of grinding tracks 29 are distributed from top to bottom. The grinding paper 25 is installed in the grinding track 29. The second cylinder 26 is installed at the bottom of the mounting table 7 and its telescopic end is vertically downward. The first connecting rod 27 is installed at the telescopic end of the second cylinder 26. The bearing 28 is fixedly sleeved on the telescopic section of the telescopic shaft 22, and the connecting rod 27 is fixedly installed on the outside of the bearing 28.

[0028] When it is necessary to grind the plate, the second bevel gear 17 drives the telescopic shaft 22 to rotate, and the telescopic section of the telescopic shaft 22 drives the rotating roller 23 to rotate, and the telescopic section on the telescopic shaft 22 is telescoped to have a rectangular cross-section inside the telescopic shaft 22, and the telescopic section can only move vertically within the telescopic shaft 22, and the rotating roller 23 drives the grinding roller 24 to rotate, and the grinding roller 24 drives the grinding paper 25 to rotate, and when the telescopic section of the telescopic shaft 22 needs to be pressed down and cut as the cutting blade 15 is pressed down, it also drops accordingly, and the operator simultaneously starts the second cylinder 26, and the telescopic end of the second cylinder 26 drives the first connecting rod 27 to rotate, and the first connecting rod 27 drives the bearing 28 to move up and down, and the bearing 28 drives the telescopic section of the telescopic shaft 22 to move vertically.

[0029] like Figure 1 and Figure 2 As shown, two bolts 30 are further included. The two bolts 30 pass through the grinding roller 24 and are respectively screwed to the rotating roller 23 , and the two bolts 30 , the grinding roller 24 and the rotating roller 23 are screwed together.

[0030] When the grinding roller 24 is worn after a long period of grinding, the operator unscrews the two bolts 30 and replaces the grinding roller 24 with a new one, and then tightens the two bolts 30 from the grinding roller 24 again, thereby improving the efficiency of grinding and chamfering.

[0031] like Figure 1 As shown, the rotating assembly includes a third motor 31, a third rotating shaft 32 and a turntable 33. A bottom groove 35 is opened on the workbench 1 and a long strip through hole 34 is opened on the bottom groove 35. The third motor 31 is fixedly installed at the bottom of the workbench 1, and the third rotating shaft 32 is installed at the output end of the third motor 31 and vertically passes through the workbench 1. The turntable 33 is fixedly installed on the third rotating shaft 32 and is located in the bottom groove 35. The turntable 33 is opposite to the abutment plate 12, and the grinding roller 24 is located above the long strip through hole 34.

[0032] When it is necessary to cut and grind different parts of the plate, the operator starts the third motor 31, the third motor 31 drives the third shaft 32 to rotate, and the third shaft 32 drives the turntable 33 to rotate, so that this method can rotate the other side of the plate to be cut to be opposite to the grinding track 29, so that the other side of the plate can be cut and ground and chamfered at the same time. By placing the plate on the turntable 33, the efficiency of plate processing can be expanded, and other cross sections of the plate can be further cut and chamfered.

[0033] like Figure 1 As shown, it also includes a fourth motor 36, a fourth rotating shaft 37 of a screw structure and a guide block 38. The fourth motor 36 is fixedly mounted on the workbench 1, the fourth rotating shaft 37 is mounted on the output end of the fourth motor 36 and is perpendicular to the first rotating shaft 6, the guide block 38 is fixedly mounted on the bracket 39, and the fourth rotating shaft 37 passes through the guide block 38 and is screwed.

[0034] When it is necessary to cut plates of different lengths, the operator starts the fourth motor 36, the fourth motor 36 drives the fourth shaft 37 to rotate, the fourth shaft 37 drives the guide block 38 to move, and the guide block 38 drives the bracket 39 to move horizontally. In this way, the problem of processing plates of different lengths by the cutting blade 15 and the grinding roller 24 can be solved, and the efficiency of processing plates can be further improved.

[0035] Working principle:

[0036] First, the operator places the plate on the turntable 33, and then the operator starts the two first cylinders 3. The telescopic ends of the two first cylinders 3 drive the fixed plate 4 to move up and down. When it is necessary to cut and chamfer plates of different widths, the operator starts the first motor 5. The first motor 5 drives the first rotating shaft 6, and the first rotating shaft 6 drives the mounting table 7 to move. The mounting table 7 slides on the fixed plate 4 and abuts against the fixed plate 4. When the plate needs to be firmly pressed, the telescopic ends of the two first cylinders 3 drive the fixed plate 4 to move up and down, the fixed plate 4 drives the mounting table 7 to move up and down, the mounting table 7 drives the upper column 8 to move downward, the upper column 8 drives the telescopic spring 10 to move downward, the telescopic spring 10 drives the lower column 9 to move downward, and the lower column 9 drives the abutment plate 12 to move downward , the abutment plate 12 drives the ball 18 to move downward, and when the ball 18 is about to press the plate, the operator pushes the plate toward the grinding track 29 until one side of the plate is inserted into the grinding track 29, at which time the ball 18 just presses the plate, and at this time the cutting blade 15 just abuts against the surface of the plate, and then the first cylinder 3 drives the fixed plate 4 to move downward again, at which time the cutting blade 15 can cut the plate, and the plate placed on the rotating assembly is abutted and pressed against each other through the movement of the ball 18. In this way, the plate placed on the rotating assembly is firmly pressed, and when the plate needs to be cut, the operator starts the second motor 13, the second motor 13 drives the second rotating shaft 14, and the second rotating shaft 14 drives the cutting blade 15 to rotate.

[0037] Then, when the cutting blade 15 rotates and cuts the plate, at the same time, the second rotating shaft 14 drives the first bevel gear 16 to rotate, and the first bevel gear 16 drives the second bevel gear 17 to rotate, and the second bevel gear 17 can maintain meshing and rotating cooperation with the first bevel gear 16 through the support of the support rod 19, and the second bevel gear 17 drives the second bevel gear 17 to drive the telescopic shaft 22 to rotate, and the telescopic section of the telescopic shaft 22 drives the rotating roller 23 to rotate, and the telescopic section on the telescopic shaft 22 has a rectangular cross-section inside the telescopic shaft 22, and the telescopic section can only move vertically in the telescopic shaft 22 and cannot rotate, and the rotating roller 23 drives the grinding roller 24 to rotate, and the grinding roller 23 drives the grinding roller 24 to rotate. The grinding roller 24 drives the grinding paper 25 to rotate, and the telescopic section of the telescopic shaft 22 needs to drop along with the cutting blade 15 when it is pressed down for cutting. The operator starts the second cylinder 26 at the same time. The telescopic end of the second cylinder 26 drives the first connecting rod 27 to move vertically. The first connecting rod 27 drives the bearing 28 to move up and down. The bearing 28 drives the telescopic section of the telescopic shaft 22 to move vertically. When the grinding roller 24 is worn after a long period of grinding, the operator unscrews the two bolts 30 and replaces it with a new grinding roller 24. Then, the two bolts 30 are tightened from the grinding roller 24 again. In this way, the efficiency of grinding and chamfering is improved.

[0038] Finally, when it is necessary to cut plates of different lengths, the operator starts the fourth motor 36, the fourth motor 36 drives the fourth shaft 37 actively, the fourth shaft 37 drives the guide block 38 to move, and the guide block 38 drives the bracket 39 to move laterally. At this time, the ball 18 can roll on the plate while pressing the plate. The convenience of this fixed pressing can also further improve the efficiency of processing the plate.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A plate cutting device, comprising a workbench (1), characterized in that: Two opposite and horizontal slide grooves (2) are provided on both sides of the workbench (1), and brackets (39) are slidably connected in the two slide grooves (2). A moving component that can slide vertically is slidably installed on the bracket (39), and a clamping component is installed on the moving component. A cutting component and a chamfering component are also installed on the moving component. The cutting component is located between the chamfering component and the clamping component. A rotating component for placing a plate to be cut is also installed on the workbench (1). The clamping component and the rotating component are opposite to each other in upper and lower directions. The moving component is used to move downward so that the clamping component presses the plate placed on the rotating component, and at the same time, the cutting component cuts the plate, and at the same time, the chamfering component grinds and chamfers the edge of the plate to be cut.

2. A plate cutting device according to claim 1, characterized in that: It also comprises two first cylinders (3) and a fixed plate (4), wherein the two first cylinders (3) are fixedly mounted on a bracket (39) with their telescopic ends pointing vertically downward, the fixed plate (4) is mounted on the telescopic ends of the two first cylinders (3), and the moving assembly is mounted on the fixed plate (4).

3. A plate cutting device according to claim 2, characterized in that: The moving assembly comprises a first motor (5), a first rotating shaft (6) of a screw structure and a mounting platform (7); the first motor (5) is fixedly mounted on a fixed plate (4); the mounting platform (7) is slidably mounted on the fixed plate (4); the first rotating shaft (6) is horizontally mounted on the output end of the first motor (5) and passes through the mounting platform (7); the first rotating shaft (6) and the mounting platform (7) are screwed together; the pressing assembly, the cutting assembly and the chamfering assembly are all arranged on the mounting platform (7).

4. A plate cutting device according to claim 2, characterized in that The clamping assembly comprises an upper column (8), a lower column (9), a telescopic spring (10) and a limiting sleeve (11), all of which are vertical. The upper column (8) is fixed on the mounting platform (7), the lower column (9) is installed below the upper column (8), the two ends of the telescopic spring (10) are respectively fixed between the upper column (8) and the lower column (9), the limiting sleeve (11) is wrapped around the periphery of the telescopic spring (10), and the limiting sleeve (11) is slidably connected to the upper column (8) and the lower column (9); It also comprises an abutment plate (12), which is fixed to the bottom of the lower column (9) and is used to press the plate and abut against the rotating assembly.

5. A plate cutting device according to claim 3, characterized in that: The cutting assembly comprises a second motor (13), a second rotating shaft (14) and a cutting blade (15); the second motor (13) is fixedly mounted on a fixed plate (4); the second rotating shaft (14) is mounted on an output end of the second motor (13) and is parallel to the first rotating shaft (6); and the cutting blade (15) is fixedly sleeved on the second rotating shaft (14).

6. A plate cutting device according to claim 5, characterized in that: The invention also comprises a first bevel gear (16), a second bevel gear (17) and a support rod (19); the first bevel gear (16) is fixedly mounted on the second rotating shaft (14); a second sliding groove (21) having an annular structure and being coaxial with the second bevel gear (17) is provided on one side of the second bevel gear (17); one end of the support rod (19) is fixedly mounted on the mounting platform (7); the other end of the support rod (19) is slidably connected to the second sliding groove (21); the second bevel gear (17) is meshed with the first bevel gear (16); and a chamfering assembly is mounted on the second bevel gear (17).

7. A plate cutting device according to claim 6, characterized in that: The chamfering assembly comprises a vertical telescopic shaft (22), a vertical rotating roller (23), a vertical grinding roller (24), grinding paper (25), a second cylinder (26), a first connecting rod (27) and a bearing (28); the telescopic shaft (22) is vertically fixedly arranged in the second bevel gear (17) and the two are coaxial; the rotating roller (23) is fixedly mounted on the telescopic section at the bottom of the telescopic shaft (22); the grinding roller (24) is detachably mounted on the rotating roller (23), and a groove is provided on the grinding roller (24). There are a plurality of annular grinding tracks (29) coaxial with the grinding roller (24), and the plurality of grinding tracks (29) are distributed from top to bottom, the grinding paper (25) is installed in the grinding track (29), the second cylinder (26) is installed at the bottom of the mounting platform (7) and its telescopic end is vertically downward, the first connecting rod (27) is installed at the telescopic end of the second cylinder (26), the bearing (28) is fixedly sleeved on the telescopic section of the telescopic shaft (22), and the connecting rod (27) is fixedly installed on the outer side of the bearing (28).

8. A plate cutting device according to claim 7, characterized in that: It also includes two bolts (30), which pass through the grinding roller (24) and are respectively screwed to the rotating roller (23), and the two bolts (30), the grinding roller (24) and the rotating roller (23) are screwed together.

9. A plate cutting device according to claim 4, characterized in that: The rotating assembly comprises a third motor (31), a third rotating shaft (32) and a rotating disk (33); a bottom groove (35) is provided on the workbench (1) and a long strip through hole (34) is provided on the bottom groove (35); the third motor (31) is fixedly mounted on the bottom of the workbench (1); the third rotating shaft (32) is mounted on the output end of the third motor (31) and vertically passes through the workbench (1); the rotating disk (33) is fixedly mounted on the third rotating shaft (32) and is located in the bottom groove (35); the rotating disk (33) is opposite to the abutting plate (12); and the grinding roller (24) is located above the long strip through hole (34).

10. A plate cutting device according to claim 3, characterized in that: It also includes a fourth motor (36), a fourth rotating shaft (37) of a screw structure, and a guide block (38), wherein the fourth motor (36) is fixedly mounted on the workbench (1), the fourth rotating shaft (37) is mounted on the output end of the fourth motor (36) and is perpendicular to the first rotating shaft (6), the guide block (38) is fixedly mounted on a bracket (39), and the fourth rotating shaft (37) passes through the guide block (38) and is screwed.

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