Acrylic plate machining and grinding device

Abstract

The utility model discloses an acrylic plate processing and polishing device which comprises a bottom plate, a cleaning and recycling structure is arranged at the lower end of the bottom plate, a box body is fixedly arranged at the upper end of the bottom plate, an acrylic plate is arranged in the center of the box body, polishing structures are arranged on the portions, located on the two sides of the acrylic plate, in the box body, and each polishing structure comprises a main plate. An auxiliary plate is arranged on the side, close to the acrylic plate, of the main plate through a second moving structure in a left-right moving mode, side plates which are oppositely arranged are fixedly arranged at the upper end and the lower end of the side, away from the main plate, of the auxiliary plate correspondingly, a fixing plate is arranged between the side plates through a third moving structure in a front-back moving mode, and a main motor is fixedly arranged on one side of the fixing plate; the output end of the main motor penetrates through the fixing plate to be fixedly connected with the grinding plate, a bottom grinding plate is arranged at the position, located at the lower end of the acrylic plate, in the box body, and a top grinding plate is arranged at the position, located at the upper end of the acrylic plate, in the box body. The acrylic plate polishing device can polish a panel and an edge opening of an acrylic plate and is safer to use.

Description

Technical Field

[0001] The utility model relates to the technical field of acrylic plate processing, and more specifically to an acrylic plate processing and grinding device. Background Art

[0002] Acrylic, also known as specially treated plexiglass, is a replacement product of plexiglass. Light boxes made of acrylic have the characteristics of good light transmission performance, pure color, rich colors, beautiful and flat appearance, taking into account both day and night effects, long service life, and no impact on use. After the acrylic plate is processed and cut, its edges need to be polished. The traditional polishing of acrylic plates mainly fixes the acrylic plate and then polishes it manually with a polishing device. The polishing accuracy cannot be accurately controlled, and the safety of manual polishing is low.

[0003] In the prior art, a Chinese utility model with the publication number CN218856451U, an acrylic plate processing and grinding device, fixes the seat with a servo motor through a second sleeve block connected to a guide column rod, and one end of the grinding roller is fixedly connected to the output end of the servo motor, and the other end is connected to the first sleeve block. When grinding the cut acrylic plate, the acrylic plate is fixed on the fixed table through a clamping frame, and the cut edge of the acrylic plate faces the grinding roller. During grinding, by moving the grinding roller member, the servo motor drives the grinding roller to rotate, realizing the moving grinding of the cut edge of the acrylic plate and improving the grinding accuracy at the same time; however, during the processing of acrylic plates, in addition to grinding the edges, the panel also needs to be ground. The existing technology can only achieve the grinding of the edges. At least two grinding devices need to be prepared to achieve the two grinding positions. In addition, debris flies during the grinding process, which is likely to cause harm to the bodies of the staff. Therefore, this application proposes an acrylic plate processing and grinding device. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an acrylic plate processing and grinding device, which can realize the grinding of the acrylic plate panel and edges and is safer to use.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An acrylic board processing and grinding device, including a bottom plate, several supporting feet are fixedly arranged at the lower end of the bottom plate, a cleaning and recycling structure is arranged at the lower end of the bottom plate, a box body is fixedly arranged at the upper end of the bottom plate, an acrylic board is arranged at the center of the box body, grinding structures are arranged on both sides of the acrylic board in the box body, the grinding structure includes a main board, the main board moves up and down through a first moving structure, a secondary board is arranged on the side of the main board close to the acrylic board and moves left and right through a second moving structure, opposite side plates are fixedly arranged at the upper and lower ends on the side of the secondary board away from the main board, a fixing plate moves back and forth between the side plates through a third moving structure, a main motor is fixedly arranged on one side of the fixing plate, the output end of the main motor passes through the fixing plate and is fixedly connected with a grinding plate, a bottom grinding plate is arranged at the lower end of the acrylic board in the box body, a top grinding plate is arranged at the upper end of the acrylic board in the box body, connecting plates are fixedly arranged on both sides of the top grinding plate, and the connecting plates can move up and down through a fourth moving structure.

[0007] Adopting the above technical solutions, the utility model has the following advantages:

[0008] The setting of the main board, secondary board, side plates and fixing plate of the utility model enables the grinding plate to move up and down with the movement of the main board, move closer to the acrylic board with the movement of the secondary board, and move back and forth with the movement of the fixing plate, so as to realize the grinding of the two side panels of the acrylic board; the setting of the bottom grinding plate and top grinding plate of the utility model enables when the grinding plate presses and fixes the acrylic board, when the fixing plate drives the acrylic board to move left and right, it can drive the edge of the acrylic board to move between the bottom grinding plate and the top grinding plate to realize grinding, and when the grinding plate rotates to drive the acrylic board to rotate, it can realize the grinding of the other two sides of the edge; the setting of the box body and the cleaning and recycling structure of the utility model enables the debris generated during the grinding process to be blocked by the box body until it falls into the cleaning and recycling structure for recycling, which can effectively prevent the staff from inhaling dust and make it safer to use.

[0009] Further, the cleaning and recycling structure includes a recycling box, sliders are fixedly arranged on both sides of the upper end of the recycling box, through grooves are arranged on the bottom plate at the position corresponding to the recycling box, sliding grooves are arranged at both ends of the through grooves at the positions corresponding to the sliders, the sliders are clamped in the sliding grooves, and a handle part is fixedly arranged on one side of the recycling box.

[0010] Adopting the above technical solutions, the utility model has the following advantages:

[0011] The setting of the sliders, sliding grooves and handle part of the utility model enables the recycling box to be pulled out, which is convenient for the subsequent unified treatment of debris.

[0012] Further, a cabinet door is rotatably arranged on one side of the box body through a hinge, the cabinet door is made of a transparent material, and a handle is fixedly arranged on the cabinet door.

[0013] With the above technical solutions, the utility model has the following advantages:

[0014] The arrangement of the cabinet door of the utility model enables the staff to close the cabinet door when the acrylic board is in a grinding state, reducing the flying out of debris, thereby reducing the damage to the staff's body caused by the debris.

[0015] Further, the first moving structure includes a first threaded column, a first limiting column and a first motor. The first threaded column penetrates through one side of the main board and is threadedly connected to the main board. The first motor is fixedly connected to the upper end of the box body. The output end of the first motor passes through the box body and is fixedly connected to the upper end of the first threaded column. The first limiting column penetrates through the other side of the main board, and the upper end of the first limiting column is fixedly connected to the upper inner end of the box body. A first limiting block is fixedly arranged at the lower ends of the first threaded column and the first limiting column.

[0016] With the above technical solutions, the utility model has the following advantages:

[0017] The arrangement of the first motor of the utility model plays a role in driving the rotation of the first threaded column. Cooperating with the first limiting column, the up and down movement of the main board can be realized, thereby realizing the up and down movement of the grinding plate.

[0018] Further, the second moving structure includes a second threaded column, a second limiting column and a second motor. The second threaded column penetrates through both sides of the upper end of the auxiliary board and is threadedly connected to the auxiliary board. The second motor is fixedly connected to one side of the main board. The output end of the second motor passes through the main board and is fixedly connected to one end of the second threaded column. The second limiting column penetrates through both sides of the lower end of the auxiliary board, and one end of the second limiting column is fixedly connected to one side of the main board. Second limiting blocks are fixedly arranged at the end of the second threaded column far away from the second motor and the end of the second limiting column far away from the main board.

[0019] With the above technical solutions, the utility model has the following advantages:

[0020] The arrangement of the second motor of the utility model plays a role in driving the rotation of the second threaded column. Cooperating with the second limiting column, the left and right movement of the auxiliary board can be realized, thereby driving the grinding plate to approach and clamp the acrylic board.

[0021] Further, the third moving structure includes a third threaded column, a third limiting column and a third motor. The third threaded column penetrates through the lower end of the fixing plate and is threadedly connected to the fixing plate. The third motor is fixedly connected to the side plate at the lower end of one side. The output end of the third motor passes through the side plate and is fixedly connected to one end of the third threaded column. The other end of the third threaded column is rotatably connected to the side plate on the corresponding other side. The third limiting column penetrates through the upper end of the fixing plate, and both ends of the third limiting column are respectively fixedly connected to the corresponding side plates.

[0022] With the above technical solutions, the utility model has the following advantages:

[0023] The setting of the third motor of the utility model plays a role in driving the third threaded column to rotate. Cooperating with the third limiting column, the front and back movement of the fixed plate can be realized, so as to realize the front and back movement of the grinding plate on the acrylic plate to achieve grinding.

[0024] Furthermore, one side of the bottom grinding plate is fixedly connected to the side of the box body far from the cabinet door.

[0025] With the above technical solutions, the utility model has the following advantages:

[0026] The setting that one side of the bottom grinding plate of the utility model is fixedly connected to the box body enables the bottom grinding plate to be in a fixed state when the acrylic plate moves, and the grinding of the lower end face of the acrylic plate can be realized.

[0027] Furthermore, the fourth moving structure includes a fourth threaded column, a fourth limiting column and a fourth motor. The fourth threaded column passes through the connecting plate on one side and is threadedly connected to the connecting plate. The fourth limiting column passes through the connecting plate on the other side. The fourth motor is fixedly connected to the upper end of the box body. The output end of the fourth motor passes through the box body and is fixedly connected to the upper end of the fourth threaded column. The upper end of the fourth limiting column is fixedly connected to the box body. Limiting blocks four are fixedly arranged at the lower ends of the fourth threaded column and the fourth limiting column.

[0028] With the above technical solutions, the utility model has the following advantages:

[0029] The setting of the fourth motor of the utility model plays a role in driving the fourth threaded column to rotate. Cooperating with the fourth limiting column, the up and down movement of the connecting plate can be realized, so as to realize the up and down movement of the top grinding plate, so as to clamp the acrylic plate or achieve grinding of the upper end face of the acrylic plate.

[0030] Furthermore, the grinding plates respectively abut against both sides of the acrylic plate, and the bottom grinding plate and the top grinding plate respectively abut against the upper and lower end faces of the acrylic plate.

[0031] With the above technical solutions, the utility model has the following advantages:

[0032] The above setting of the utility model realizes the grinding of both side panels and the edges of the acrylic plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The following further illustrates the utility model with reference to the drawings and embodiments.

[0034] Figure 1 It is a schematic cross-sectional structure diagram at the center of the front view of the acrylic plate of the utility model;

[0035] Figure 2This is a schematic cross-sectional structure diagram of the center of the acrylic plate of the present utility model when viewed from above;

[0036] Figure 3 For the present utility model Figure 1 The enlarged structure diagram at position A in it.

[0037] Reference numerals: 1, bottom plate; 101, through groove; 102, sliding groove; 103, supporting feet; 2, recycling box; 201, slider; 202, pulling part; 3, box body; 301, cabinet door; 302, handle; 4, top grinding plate; 401, connecting plate; 5, auxiliary plate; 501, side plate; 6, motor one; 601, threaded column one; 7, motor four; 701, threaded column four; 8, motor two; 801, threaded column two; 9, motor three; 901, threaded column three; 10, fixing plate; 11, main motor; 12, grinding plate; 13, limiting column three; 14, limiting column four; 15, limiting block two; 16, main board; 17, limiting block one; 18, bottom grinding plate; 19, acrylic plate; 20, limiting column two; 21, limiting column one; 22, limiting block four. Specific embodiments

[0038] As Figures 1 to 3 shown, in the specific embodiment, an acrylic plate processing and grinding device includes a bottom plate 1. A plurality of supporting feet 103 are fixedly arranged at the lower end of the bottom plate 1. A cleaning and recycling structure is arranged at the lower end of the bottom plate 1. A box body 3 is fixedly arranged at the upper end of the bottom plate 1. An acrylic plate 19 is arranged at the center of the box body 3. Grinding structures are arranged on both sides of the acrylic plate 19 in the box body 3. The grinding structure includes a main board 16. The main board 16 moves up and down through a first moving structure. A secondary board 5 is arranged on the side of the main board 16 close to the acrylic plate 19 and moves left and right through a second moving structure. Oppositely arranged side plates 501 are fixedly arranged at the upper and lower ends on the side of the secondary board 5 away from the main board 16. A fixing plate 10 moves back and forth through a third moving structure between the side plates 501. A main motor 11 is fixedly arranged on one side of the fixing plate 10. The output end of the main motor 11 passes through the fixing plate 10 and is fixedly connected to a grinding plate 12. A bottom grinding plate 18 is arranged at the lower end of the acrylic plate 19 in the box body 3. A top grinding plate 4 is arranged at the upper end of the acrylic plate 19 in the box body 3. Connecting plates 401 are fixedly arranged on both sides of the top grinding plate 4. The connecting plates 401 can move up and down through a fourth moving structure.

[0039] With the above settings, the main board 16, the secondary board 5, the side board 501 and the fixing board 10 of the present utility model are arranged such that the polishing board 12 can move up and down as the main board 16 moves, approach the acrylic board 19 as the secondary board 5 moves, and move back and forth as the fixing board 10 moves, thereby realizing the polishing of the two side panels of the acrylic board 19; the bottom polishing board 18 and the top polishing board 4 of the present utility model are arranged such that when the polishing board 12 presses and fixes the acrylic board 19, when the fixing board 10 drives the acrylic board 19 to move left and right, the edge of the acrylic board 19 can be driven to move between the bottom polishing board 18 and the top polishing board 4 to realize polishing, and when the polishing board 12 rotates to drive the acrylic board 19 to rotate, the edges of the other two sides can be polished; the setting of the box body 3 and the cleaning and recycling structure of the present utility model enables the debris generated during the polishing process to be blocked by the box body 3 until it falls into the cleaning and recycling structure for recycling, which can effectively prevent the staff from inhaling dust and make it safer to use.

[0040] Such as Figures 1 to 2As shown in the figure, the cleaning and recycling structure includes a recycling bin 2. On both sides of the upper end of the recycling bin 2, sliding blocks 201 are fixedly provided. At the position corresponding to the recycling bin 2 on the bottom plate 1, a through groove 101 is provided. At the positions corresponding to the sliding blocks 201 at both ends of the through groove 101, sliding grooves 102 are provided in communication. The sliding blocks 201 are clamped in the sliding grooves 102. On one side of the recycling bin 2, a handle part 202 is fixedly provided; on one side of the box body 3, a cabinet door 301 is rotatably provided through a hinge. The cabinet door 301 is made of transparent material, and a handle 302 is fixedly provided on the cabinet door 301; the first moving structure includes a first threaded column 601, a first limiting column 21 and a first motor 6. The first threaded column 601 penetrates through one side of the main board 16 and is threadedly connected to the main board 16. The first motor 6 is fixedly connected to the upper end of the box body 3. The output end of the first motor 6 passes through the box body 3 and is fixedly connected to the upper end of the first threaded column 601. The first limiting column 21 penetrates through the other side of the main board 16, and the upper end of the first limiting column 21 is fixedly connected to the upper inner end of the box body 3. At the lower ends of the first threaded column 601 and the first limiting column 21, a first limiting block 17 is fixedly provided; the second moving structure includes a second threaded column 801, a second limiting column 20 and a second motor 8. The second threaded column 801 penetrates through both sides of the upper end of the auxiliary board 5 and is threadedly connected to the auxiliary board 5. The second motor 8 is fixedly connected to one side of the main board 16. The output end of the second motor 8 passes through the main board 16 and is fixedly connected to one end of the second threaded column 801. The second limiting column 20 penetrates through both sides of the lower end of the auxiliary board 5, and one end of the second limiting column 20 is fixedly connected to one side of the main board 16. At the ends of the second threaded column 801 far from the second motor 8 and the ends of the second limiting column 20 far from the main board 16, second limiting blocks 15 are fixedly provided; the third moving structure includes a third threaded column 901, a third limiting column 13 and a third motor 9. The third threaded column 901 penetrates through the lower end of the fixing plate 10 and is threadedly connected to the fixing plate 10. The third motor 9 is fixedly connected to the side plate 501 at one lower end. The output end of the third motor 9 passes through the side plate 501 and is fixedly connected to one end of the third threaded column 901. The other end of the third threaded column 901 is rotatably connected to the corresponding side plate 501 on the other side. The third limiting column 13 penetrates through the upper end of the fixing plate 10, and both ends of the third limiting column 13 are respectively fixedly connected to the corresponding side plates 501.

[0041] With the above settings, the slider 201, the chute 102 and the pulling part 202 of the present utility model enable the recycling box 2 to be pulled out, facilitating the subsequent unified treatment of debris; the setting of the cabinet door 301 of the present utility model enables the staff to close the cabinet door 301 when the acrylic plate 19 is in the grinding state, reducing the flying out of debris, thereby reducing the damage to the staff's body caused by debris; the setting of the first motor 6 of the present utility model functions to drive the rotation of the first threaded column 601. Cooperating with the first limiting column 21, the up-and-down movement of the main board 16 can be realized, thereby realizing the up-and-down movement of the grinding plate 12; the setting of the second motor 8 of the present utility model functions to drive the rotation of the second threaded column 801. Cooperating with the second limiting column 20, the left-and-right movement of the auxiliary board 5 can be realized, thereby driving the grinding plate 12 to approach and clamp the acrylic plate 19; the setting of the third motor 9 of the present utility model functions to drive the rotation of the third threaded column 901. Cooperating with the third limiting column 13, the front-and-back movement of the fixing plate 10 can be realized, thereby realizing the front-and-back movement of the grinding plate 12 on the acrylic plate 19 to achieve grinding.

[0042] As Figure 1 and Figure 3 shown, one side of the bottom grinding plate 18 is fixedly connected to the side of the box body 3 away from the cabinet door 301; the fourth moving structure includes a fourth threaded column 701, a fourth limiting column 14 and a fourth motor 7. The fourth threaded column 701 passes through the connecting plate 401 on one side and is threadedly connected to the connecting plate 401. The fourth limiting column 14 passes through the connecting plate 401 on the other side. The fourth motor 7 is fixedly connected to the upper end of the box body 3. The output end of the fourth motor 7 passes through the box body 3 and is fixedly connected to the upper end of the fourth threaded column 701. The upper end of the fourth limiting column 14 is fixedly connected to the box body 3. Limiting blocks 22 are fixedly provided at the lower ends of the fourth threaded column 701 and the fourth limiting column 14; the grinding plate 12 abuts against both sides of the acrylic plate 19 respectively, and the bottom grinding plate 18 and the top grinding plate 4 abut against the upper and lower end faces of the acrylic plate 19 respectively.

[0043] With the above settings, the setting that one side of the bottom grinding plate 18 of the present utility model is fixedly connected to the box body 3 enables the bottom grinding plate 18 to be in a fixed state when the acrylic plate 19 moves, and the grinding of the lower end face of the acrylic plate 19 can be realized; the setting of the fourth motor 7 of the present utility model functions to drive the rotation of the fourth threaded column 701. Cooperating with the fourth limiting column 14, the up-and-down movement of the connecting plate 401 can be realized, thereby realizing the up-and-down movement of the top grinding plate 4, so as to clamp the acrylic plate 19 or realize the grinding of the upper end face of the acrylic plate 19; with the above settings of the present utility model, the grinding of both side panels and the edges of the acrylic plate 19 is realized.

[0044] Working principle: When in use, open the cabinet door 301 and place the acrylic plate 19 vertically so that the lower end face of the acrylic plate 19 abuts against the bottom grinding plate 18. Then control the fourth motor 7 to start and drive the fourth threaded column 701 to rotate, thereby driving the top grinding plate 4 to move downward and cooperate with the bottom grinding plate 18 to clamp the acrylic plate 19. Then close the cabinet door 301. When grinding the panels on both sides of the acrylic plate 19, only need to start the main motor 11 to drive the grinding plate 12 to rotate. By starting the second motor 8 to drive the second threaded column 801 to rotate, the grinding plate 12 can be driven to approach the acrylic plate 19 to achieve grinding. By starting the first motor 6, the first threaded column 601 can be driven to rotate to achieve the up and down movement of the grinding plate 12. By starting the third motor 9, the third threaded column 901 can be driven to rotate to achieve the front and back movement of the grinding plate 12, so as to achieve the grinding of the panels on both sides of the acrylic plate 19; when the edge needs to be ground, only need to start the second motor 8 to drive the grinding plate 12 to clamp the acrylic plate 19, and then the fourth motor 7 drives the top grinding plate 4 to move upward so that it does not clamp the acrylic plate 19 but contacts the acrylic plate 19. At this time, start the third motor 9 to drive the grinding plate 12 to move back and forth, which can drive the acrylic plate 19 to move back and forth between the bottom grinding plate 18 and the top grinding plate 4, so as to achieve the grinding of the upper and lower edges of the acrylic plate 19. When the other two edges need to be ground, only need to start the fourth motor 7 to drive the top grinding plate 4 to move upward, then start the first motor 6 to drive the grinding plate 12 to move upward, thereby driving the acrylic plate 19 to move upward. Then start the main motor 11 to drive the grinding plate 12 to rotate, thereby driving the acrylic plate 19 to rotate so that the unground edge is aligned with the bottom grinding plate 18 and the top grinding plate 4, and then reverse the operation to make it return to its original position, and then the grinding of this side edge can be achieved by the same method. The debris after grinding will fall into the recycling box 2 after a certain period of time, and then open the cabinet door 301 to take out the acrylic plate 19; the materials of the first motor 6, the second motor 8, the third motor 9, the fourth motor 7, the main motor 11, the first threaded column 601, the second threaded column 801, the third threaded column 901, the fourth threaded column 701, as well as the grinding plate 12, the top grinding plate 4 and the bottom grinding plate 18 of the present utility model are all disclosed in the prior art, so they will not be elaborated here.

[0045] The above is only the preferred embodiment of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. All technical solutions falling within the idea of the present utility model belong to the protection scope of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and retouches should also be regarded as the protection scope of the present utility model.

Claims

1. An acrylic plate processing and polishing device, comprising a base plate (1), wherein a plurality of legs (103) are fixedly provided at the lower end of the base plate (1), characterized in that: A cleaning and recycling structure is provided at the lower end of the bottom plate (1); a box body (3) is fixedly provided at the upper end of the bottom plate (1); an acrylic plate (19) is provided at the center of the box body (3); grinding structures are provided on both sides of the acrylic plate (19) in the box body (3); the grinding structures include a main plate (16); the main plate (16) moves up and down through a moving structure 1; a side of the main plate (16) close to the acrylic plate (19) is moved left and right through a moving structure 2; and side plates (501) are fixedly provided on the upper and lower ends of a side of the side away from the main plate (16) ), a fixed plate (10) is provided between the side plates (501) and can be moved forward and backward through a movable structure three, a main motor (11) is fixedly provided on one side of the fixed plate (10), an output end of the main motor (11) passes through the fixed plate (10) and is fixedly connected to a grinding plate (12), a bottom grinding plate (18) is provided at the lower end of the acrylic plate (19) in the box body (3), a top grinding plate (4) is provided at the upper end of the acrylic plate (19) in the box body (3), connecting plates (401) are fixedly provided on both sides of the top grinding plate (4), and the connecting plates (401) can be moved up and down through a movable structure four.

2. The acrylic plate processing and polishing device according to claim 1, characterized in that: The cleaning recycling structure comprises a recycling box (2), sliders (201) are fixedly provided on both sides of the upper end of the recycling box (2), a through groove (101) is provided on the bottom plate (1) at a position corresponding to the recycling box (2), and sliding grooves (102) are provided at both ends of the through groove (101) corresponding to the position of the slider (201), the slider (201) is clamped in the sliding groove (102), and a handle (202) is fixedly provided on one side of the recycling box (2).

3. The acrylic plate processing and polishing device according to claim 1, characterized in that: A cabinet door (301) is provided on one side of the box body (3) through a hinge, the cabinet door (301) is made of a transparent material, and a handle (302) is fixedly provided on the cabinet door (301).

4. The acrylic plate processing and polishing device according to claim 1, characterized in that: The moving structure 1 comprises a threaded column 1 (601), a limiting column 1 (21) and a motor 1 (6), The threaded column (601) passes through one side of the main board (16) and is threadedly connected to the main board (16); the motor (6) is fixedly connected to the upper end of the box (3); the output end of the motor (6) passes through the box (3) and is fixedly connected to the upper end of the threaded column (601); the limiting column (21) passes through the other side of the main board (16); the upper end of the limiting column (21) is fixedly connected to the upper end of the box (3); and the lower end of the threaded column (601) and the lower end of the limiting column (21) are fixedly provided with a limiting block (17).

5. The acrylic plate processing and polishing device according to claim 4, characterized in that: The second moving structure comprises a second threaded column (801), a second limiting column (20) and a second motor (8). The second threaded column (801) respectively passes through both sides of the upper end of the sub-plate (5) and is threadedly connected to the sub-plate (5); the second motor (8) is fixedly connected to one side of the main board (16); the output end of the second motor (8) passes through the main board (16) and is fixedly connected to one end of the second threaded column (801); the second limiting column (20) passes through both sides of the lower end of the sub-plate (5); one end of the second limiting column (20) is fixedly connected to one side of the main board (16); and the end of the second threaded column (801) away from the second motor (8) and the end of the second limiting column (20) away from the main board (16) are both fixedly provided with a second limiting block (15).

6. The acrylic plate processing and polishing device according to claim 5, characterized in that: The movable structure 3 comprises a threaded column 3 (901), a limiting column 3 (13) and a motor 3 (9). The threaded column three (901) passes through the lower end of the fixing plate (10) and is threadedly connected to the fixing plate (10); the motor three (9) is fixedly connected to the side plate (501) at the lower end of one side; the output end of the motor three (9) passes through the side plate (501) and is fixedly connected to one end of the threaded column three (901); the other end of the threaded column three (901) is rotatably connected to the corresponding side plate (501) on the other side; the limiting column three (13) passes through the upper end of the fixing plate (10); and the two ends of the limiting column three (13) are respectively fixedly connected to the corresponding side plate (501).

7. The acrylic plate processing and polishing device according to claim 3, characterized in that: One side of the bottom grinding plate (18) is fixedly connected to a side of the box body (3) away from the cabinet door (301).

8. The acrylic plate processing and polishing device according to claim 7, characterized in that: The moving structure 4 includes a threaded column 4 (701), a limiting column 4 (14) and a motor 4 (7). The threaded column four (701) passes through the connecting plate (401) on one side and is threadedly connected to the connecting plate (401), the limiting column four (14) passes through the connecting plate (401) on the other side, the motor four (7) is fixedly connected to the upper end of the box body (3), the output end of the motor four (7) passes through the box body (3) and is fixedly connected to the upper end of the threaded column four (701), the upper end of the limiting column four (14) is fixedly connected to the box body (3), and the lower ends of the threaded column four (701) and the limiting column four (14) are fixedly provided with limiting blocks four (22).

9. The acrylic plate processing and polishing device according to claim 1, characterized in that: The grinding plate (12) abuts against both sides of the acrylic plate (19), and the bottom grinding plate (18) and the top grinding plate (4) abut against the upper and lower end surfaces of the acrylic plate (19).

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