Epitaxial conveying table of sanding machine

Abstract

The invention discloses an extension conveying table of a sanding machine, and relates to the technical field of sanding machines. The extension conveying table of the sanding machine comprises a conveying table body, supporting legs are fixed to the four corners of the lower end of the conveying table body, a positioning conveying belt is arranged on the conveying table body, the sanding machine is arranged at one end of the positioning conveying belt, a polishing opening is formed in the position, corresponding to the positioning conveying belt, of the sanding machine, and a limiting mechanism is arranged between the conveying table body and the sanding machine. During conveying, a steel plate enters a grinding opening through a positioning conveying belt, then the steel plate is ground through a sanding machine, adhering slag and burrs are reduced, an electric track drives the positioning conveying belt to move by a fixed distance, a rotating abutting column pushes the steel plate to be close to a center positioning line, the rotating abutting column rotates during abutting, and the position of the steel plate is conveniently adjusted; and offset and inclined steel plates can be conveniently adjusted, offset and inclination of the steel plates are reduced, the steel plates can be conveniently and uniformly ground, and the influence on the grinding efficiency and quality of the steel plates is reduced.

Description

Technical Field

[0001] This application relates to the field of sanding machine technology, and in particular to an epitaxial conveying table for a sanding machine. Background Technology

[0002] During the production and processing, the molten metal at the cut of steel plates and other workpieces flows downward under the force of airflow and its own gravity. When it flows over the lower surface of the plate, it cools and forms inverted triangular slag and burrs. After cooling, these burrs adhere to the surface of the steel plate and are not easy to remove manually. Furthermore, the presence of burrs will reduce product quality, scratch the rollers, affect subsequent processes, and also cause physical harm to workers. Therefore, it is necessary to grind the surface with a sander and transport the steel plates via a conveyor.

[0003] During the sanding process, workers place the cut steel plates onto a positioning conveyor belt, which then transports them into the sanding machine. The rotating sandpaper polishes the surface of the steel plates, removing slag and burrs, which facilitates the processing of the steel plates, improves product quality, and protects the rollers and workers.

[0004] When using a conveyor table, steel plates are transported via a positioning conveyor belt to facilitate subsequent grinding. During transport, workers place the steel plates onto the conveyor table. However, the placement of the steel plates can easily cause them to shift or tilt. Existing conveyor tables do not make it easy to adjust for shifted or tilted steel plates during transport, which can affect the uniformity of grinding and consequently the grinding quality and efficiency. Summary of the Invention

[0005] The purpose of this application is to address the problem that steel plates are prone to shifting or tilting when placed by workers, and that existing conveyor tables are not convenient for adjusting the shifted or tilted steel plates during transportation, which can easily affect the uniformity of grinding the steel plates, and thus the grinding quality and efficiency. This application provides an extension conveyor table for a sander.

[0006] To achieve the above objectives, this application specifically adopts the following technical solution: An extension conveyor table for a sander includes a conveyor table body, with support legs fixed at the four corners of the lower end of the conveyor table body. A positioning conveyor belt is provided on the conveyor table body, and a sander is provided at one end of the positioning conveyor belt. The sander has a grinding hole at the position corresponding to the positioning conveyor belt, and a limiting mechanism is provided between the conveyor table body and the sander.

[0007] By adopting the above technical solution, the workers place the cut steel plates on the positioning conveyor belt for transportation, so that the steel plates enter the grinding port, and then the steel plates are ground by the sander to reduce slag and burrs. During transportation, the limiting mechanism makes it easy to adjust the offset and tilted steel plates, reduce the offset and tilt of the steel plates, facilitate uniform grinding of the steel plates, and reduce the impact on the grinding efficiency and quality of the steel plates.

[0008] Furthermore, the limiting mechanism includes two symmetrical electric rails fixed on the conveyor body, a sliding plate slidably connected to the electric rails, the sliding plate being fixedly connected to the positioning conveyor belt, a limiting frame one fixed on both sides of the positioning conveyor belt, the two limiting frames one being staggered, and an adjustment component being provided between the limiting frame one and the positioning conveyor belt.

[0009] By adopting the above technical solution, the sliding plate is moved by the electric track, and the movement of the sliding plate drives the positioning conveyor belt to move. Through two electric tracks, the positioning conveyor belt moves in two directions, providing power for adjusting the position of the steel plate. In conjunction with the adjustment component, it is easy to adjust the position of the steel plate and reduce the offset and tilt of the steel plate.

[0010] Furthermore, the adjustment assembly includes a second limiting frame disposed on both sides of the positioning conveyor belt, the second limiting frame corresponding to the first limiting frame, and an adjusting screw rotatably connected to both the first and second limiting frames. The adjusting screw extends into the first and second limiting frames, and a limiting block is threadedly connected to the adjusting screw. A rotating abutment post is rotatably connected to the lower end of the limiting block. A handle is fixed to the end of the adjusting screw away from the limiting block. The second limiting frame is slidably disposed with the conveyor body, and a limiting element is disposed between the adjusting screw and the positioning conveyor belt.

[0011] By adopting the above technical solution, turning the handle drives the adjusting screw to rotate. The adjusting screw rotates on the limiting frame, causing the limiting block to slide on the adjusting screw. This causes the limiting block to drive the rotating abutment column to move. The rotating abutment column rotates to abut against the steel plate. Combined with the electric track, this facilitates contact with the steel plate and reduces the offset and tilt of the steel plate.

[0012] Furthermore, the limiting component includes a limiting post fixed on limiting frame one and limiting frame two, the limiting post extending into limiting frame one and limiting frame two, the limiting post slidingly penetrating the limiting block and being fixedly connected to a fixing block, two symmetrical support frames fixed on one side of the positioning conveyor belt, an adjustment controller fixed on the support frame, and the adjustment controller being electrically connected to the electric track.

[0013] By adopting the above technical solution, the limiting block slides on the limiting column to restrict the limiting block. The program set in the controller is adjusted so that the electric track drives the positioning conveyor belt to move a fixed distance, reducing the offset and tilt of the steel plate. The limiting block is restricted by the fixed block to reduce the slippage of the limiting block.

[0014] Furthermore, an infrared sensor is fixed on the support frame, a center positioning line is fixed on the positioning conveyor belt, the center positioning line is located at the center of the positioning conveyor belt, the infrared sensor corresponds to the center positioning line, and the infrared sensor is electrically connected to the adjustment controller.

[0015] By adopting the above technical solution, the position of the steel plate is detected by an infrared sensor. When the steel plate is detected to be offset or tilted towards one side of the limiting frame, feedback is sent to the adjustment controller. The adjustment controller then starts one of the electric tracks to move towards the limiting frame, thereby improving the adjustment accuracy of the steel plate and reducing its offset and tilt.

[0016] Furthermore, a movable rack is fixed to the lower ends of both sides of the positioning conveyor belt, and a fixed frame is fixed to the lower end of the limiting frame. A movable gear is rotatably connected inside the fixed frame. The movable gear extends out of the fixed frame on both sides. The movable gear meshes with the movable rack. The movable rack is slidably disposed with the conveyor body. A limiting component is disposed between the movable gear and the conveyor body.

[0017] By adopting the above technical solution, the positioning conveyor belt drives the moving rack one to move, the moving rack one to move causes the moving gear to rotate, the moving gear rotates within the fixed frame, providing power for the movement of the limiting frame two, facilitating the adjustment of the steel plate and reducing the offset and tilt of the steel plate.

[0018] Furthermore, the limiting component includes a movable rack two fixed on the conveyor body, the movable rack two being located on one side of the fixed frame, the movable rack two meshing with a movable gear, a movable block fixed at the lower end of the fixed frame, a movable groove being provided on the conveyor body, and the movable block being located in the movable groove.

[0019] By adopting the above technical solution, the moving gear rotates and moves on the moving rack 2. At the same time, the fixed frame drives the moving block to slide in the moving groove, which restricts the fixed frame, facilitates the stable movement of the fixed frame, facilitates the restriction of the movement of the frame 2, and reduces the offset and tilt of the steel plate.

[0020] Furthermore, a sliding column is fixed to one end of the fixed frame, and a sliding block is fixed on the conveyor body, with the sliding column sliding through the sliding block.

[0021] By adopting the above technical solution, the fixed frame drives the sliding column to slide on the sliding block, which restricts the fixed frame, facilitates the stable movement of the fixed frame, and reduces the offset and tilt of the steel plate.

[0022] In summary, this application includes at least one of the following beneficial effects: 1. When using the conveyor, first turn the handle to rotate the adjusting screw, causing the limiting block to slide on the adjusting screw. This causes the limiting block to move the rotating abutment column, activating the electric track. Then, the sliding plate moves the positioning conveyor belt a fixed distance to one side, so that the rotating abutment column contacts the side of the steel plate. This facilitates position adjustment for steel plates of different sizes, reducing steel plate offset and tilt. During conveying, an infrared sensor locates the center positioning line on the positioning conveyor belt. When a steel plate is detected, its position is checked, facilitating adjustment and improving adjustment accuracy. To reduce the offset and tilt of the steel plate, when the steel plate is detected to be offset or tilted towards one side of the first limiting frame, feedback is sent to the adjustment controller. The adjustment controller then activates one of the electric tracks to move towards the first limiting frame. This causes the electric track to drive the positioning conveyor belt to move a fixed distance, which in turn causes the rotating abutment column to push the steel plate closer to the center positioning line, improving the adjustment accuracy and reducing offset. When the abutment column rotates, it facilitates the adjustment of the steel plate position. At the same time, it works in conjunction with the second limiting frame to adjust both sides of the steel plate, further improving the adjustment accuracy and reducing the offset and tilt of the steel plate.

[0023] 2. When the electric track drives the positioning conveyor belt to move, the positioning conveyor belt drives the moving rack one to move. The movement of the moving rack one causes the moving gear to rotate. The moving gear rotates within the fixed frame, causing the moving gear to rotate and move on the moving rack two. This causes the limiting frame two to approach the positioning conveyor belt, causing the rotating abutment column to abut against the steel plate, adjusting the steel plate and reducing its offset and tilt. At the same time, the rotating abutment columns on the limiting frame one and the limiting frame two move simultaneously, abutting and adjusting the steel plate, further improving the adjustment effect of the steel plate and reducing its offset and tilt.

[0024] 3. When the first moving rack moves, the fixed frame drives the moving block to slide in the moving groove, which restricts the fixed frame. This causes the fixed frame to drive the sliding column to slide on the sliding block, which restricts the fixed frame and facilitates its stable movement. This allows the second limiting frame to move stably, driving the rotating abutment column to abut against the steel plate, which facilitates the adjustment of the steel plate's position and reduces the steel plate's offset and tilt. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the first structure of the extensional conveyor stage in this application.

[0026] Figure 2 This is a schematic diagram of the second structure of the extensional conveying stage in this application.

[0027] Figure 3 This is a schematic diagram of the internal first structure of the extensional conveyor stage in this application.

[0028] Figure 4 This is a schematic diagram of the internal second structure of the extensional conveyor stage in this application.

[0029] Figure 5 It is in this application Figure 4 A magnified structural diagram at point A.

[0030] Explanation of reference numerals in the attached figures: 1. Conveyor body; 2. Support leg; 3. Positioning conveyor belt; 4. Sander; 5. Grinding edge; 6. Electric track; 7. Sliding plate; 8. Limiting frame one; 9. Adjusting screw; 10. Limiting block; 11. Rotating contact column; 12. Handle; 13. Limiting column; 14. Fixing block; 15. Limiting frame two; 16. Fixing frame; 17. Moving rack one; 18. Moving gear; 19. Moving rack two; 20. Sliding column; 21. Sliding block; 22. Moving block; 23. Support frame; 24. Infrared sensor; 25. Adjustment controller; 26. Center positioning line. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0032] This application discloses an extension conveyor table for a sanding machine.

[0033] Reference Figure 1 and Figure 2 A sander extension conveyor table includes a conveyor table body 1, with support legs 2 fixed at the four corners of the lower end of the conveyor table body 1. A positioning conveyor belt 3 is provided on the conveyor table body 1, and a sander 4 is provided at one end of the positioning conveyor belt 3. The sander 4 has a grinding hole 5 at the position corresponding to the positioning conveyor belt 3. A limiting mechanism is provided between the conveyor table body 1 and the sander 4.

[0034] When using the conveyor, the workers place the cut steel plates onto the positioning conveyor belt 3 for transportation, so that the steel plates enter the grinding port 5, and then the steel plates are ground by the sander 4 to reduce slag and burrs. During the conveying process, the limiting mechanism makes it easy to adjust the offset and tilted steel plates, reduce the offset and tilt of the steel plates, facilitate uniform grinding of the steel plates, and reduce the impact on the grinding efficiency and quality of the steel plates.

[0035] Reference Figure 2 and Figure 3The adjustment assembly includes a second limiting frame 15 disposed on both sides of the positioning conveyor belt 3, corresponding to the first limiting frame 8. An adjusting screw 9 is rotatably connected to both the first limiting frame 8 and the second limiting frame 15, extending into the first limiting frame 8 and the second limiting frame 15. A limiting block 10 is threaded onto the adjusting screw 9, and a rotating abutment post 11 is rotatably connected to the lower end of the limiting block 10. A handle 12 is fixed to the end of the adjusting screw 9 away from the limiting block 10. The second limiting frame 15 and the conveyor body 1 are slidably disposed, and a limiting element is disposed between the adjusting screw 9 and the positioning conveyor belt 3. The limiting element includes a limiting post 13 fixed to the first limiting frame 8 and the second limiting frame 15, extending into the first limiting frame 8 and the second limiting frame 15. The limiting post 13 slides through the limiting block 10 and is fixedly connected to a fixing block 14. Two symmetrical support frames 23 are fixed to one side of the positioning conveyor belt 3, and an adjustment controller 25 is fixed to the support frame 23. The adjustment controller 25 is electrically connected to the electric track 6. An infrared sensor 24 is fixed on the support frame 23, and a center positioning line 26 is fixed on the positioning conveyor belt 3. The center positioning line 26 is located at the center of the positioning conveyor belt 3. The infrared sensor 24 corresponds to the center positioning line 26, and the infrared sensor 24 is electrically connected to the adjustment controller 25.

[0036] When using the conveyor, the operator first turns handle 12 to rotate the adjusting screw 9, causing the limiting block 10 to slide on the adjusting screw 9. This causes the limiting block 10 to move the rotating abutment column 11 closer to the handle 12. Simultaneously, the limiting block 10 slides on the limiting column 13, restricting its movement. The steel plate is then placed on the positioning conveyor belt 3, aligning with the center positioning line 26. The electric track 6 is activated, causing the sliding plate 7 to move the positioning conveyor belt 3 a fixed distance to one side. Then, the operator turns handle 12 again to rotate the adjusting screw 9, causing the rotating abutment column 11 to contact the side of the steel plate. This facilitates position adjustments for steel plates of different sizes. The adjusting screws 9 on the two limiting frames 1 and 2 limiting frames 15 are adjusted. After adjustment, the positioning conveyor belt 3 is reset, and the steel plate is transported. During transport, the operator places the steel plate on the positioning conveyor belt 3, and the position of the steel plate is detected by the infrared sensor 24, which uses the center positioning line 26 as a reference. To improve the adjustment accuracy of the steel plate, when the steel plate is detected to be offset or tilted towards one side of the first limiting frame 8, feedback is sent to the adjustment controller 25. The adjustment controller 25 then activates one of the electric tracks 6 to move towards the first limiting frame 8. This causes the electric track 6, according to the program set in the adjustment controller 25, to move the positioning conveyor belt 3 a fixed distance, so that the rotating abutment column 11 abuts against the steel plate and approaches the center positioning line 26. Upon contact, the rotating abutment column 11 rotates, facilitating the adjustment of the steel plate position and reducing the offset and tilt of the steel plate. After the electric track 6 moves, it resets. When a steel plate in the opposite direction is detected, the positioning conveyor belt 3 moves the steel plate past the first limiting frame 8 and the second limiting frame 15. The second infrared sensor 24 detects the steel plate, causing the electric track 6 to move the positioning conveyor belt 3 towards the side of the steel plate that is close to it, abutting against the other side of the steel plate. Through the limiting mechanism, it is convenient to adjust the offset and tilted steel plate, reducing the offset and tilt of the steel plate, facilitating uniform grinding of the steel plate, and reducing the impact on the grinding efficiency and quality of the steel plate.

[0037] Reference Figure 4 and Figure 5The lower ends of both sides of the positioning conveyor belt 3 are fixed with movable racks 17, and the lower end of the limiting frame 15 is fixed with a fixed frame 16. A movable gear 18 is rotatably connected inside the fixed frame 16, with both sides of the movable gear 18 extending out of the fixed frame 16. The movable gear 18 meshes with the movable racks 17, and the movable racks 17 are slidably disposed with the conveyor body 1. A limiting component is provided between the movable gear 18 and the conveyor body 1. The limiting component includes a movable rack 19 fixed to the conveyor body 1, located on one side of the fixed frame 16, meshing with the movable gear 18. A movable block 22 is fixed to the lower end of the fixed frame 16, and a movable groove is provided on the conveyor body 1, with the movable block 22 located within the movable groove. A sliding post 20 is fixed to one end of the fixed frame 16, and a sliding block 21 is fixed to the conveyor body 1, with the sliding post 20 slidingly penetrating through the sliding block 21.

[0038] When the conveyor is in use, when the electric track 6 drives the positioning conveyor belt 3 to move, the positioning conveyor belt 3 drives the moving rack 17 to move. The movement of the moving rack 17 causes the moving gear 18 to rotate. The moving gear 18 rotates within the fixed frame 16, causing the moving gear 18 to rotate and move on the moving rack 19. At the same time, the fixed frame 16 drives the moving block 22 to slide within the moving groove, restricting the fixed frame 16. This causes the fixed frame 16 to drive the sliding column 20 to slide on the sliding block 21, further restricting the fixed frame 16 and facilitating its stable movement. This allows the second restrictor frame 15 to approach the positioning conveyor belt 3 for easier contact. To reduce the tilt and offset of the steel plate, when adjusting the position of the rotating abutment column 11 on the second limiting frame 15, the handle 12 on the second limiting frame 15 is turned to rotate the adjusting screw 9, causing the limiting block 10 to drive the rotating abutment column 11 closer to the other side of the steel plate, so that the rotating abutment column 11 abuts against the steel plate, thereby adjusting the steel plate, improving the adjustment accuracy, and reducing the offset and tilt of the steel plate. When the steel plate is conveyed, the electric track 6 moves, causing the first limiting frame 8 and the rotating abutment column 11 on the second limiting frame 15 to move simultaneously, adjusting the abutment on both sides of the steel plate, reducing the offset and tilt of the steel plate. After adjustment, the positioning conveyor belt 3 is reset.

[0039] The implementation principle of the extended conveyor table of the sander 4 in this embodiment is as follows: When the conveyor table is in use, the worker puts the cut steel plate on the positioning conveyor belt 3 for transportation, so that the steel plate enters the grinding port 5, and then the sander 4 grinds the steel plate to reduce slag and burrs. When using the conveyor, the operator first turns handle 12 to rotate the adjusting screw 9, causing the limiting block 10 to slide on the adjusting screw 9. This causes the limiting block 10 to move the rotating abutment column 11 closer to the handle 12. Simultaneously, the limiting block 10 slides on the limiting column 13, restricting the limiting block 10. The steel plate is then placed on the positioning conveyor belt 3, aligning with the center positioning line 26 on the positioning conveyor belt 3. The electric track 6 is activated, causing the sliding plate 7 to move the positioning conveyor belt 3 a fixed distance to one side. Then, the operator turns handle 12 to rotate the adjusting screw 9, causing the rotating abutment column 11 to contact the side of the steel plate. This facilitates position adjustments for steel plates of different sizes. The adjusting screws 9 on the two limiting frames 1 8 and two limiting frames 2 15 are adjusted. After adjustment, the positioning conveyor belt 3 is reset, and the steel plate is transported. During transport, the operator places the steel plate on the positioning conveyor belt 3, and the infrared sensor 24 monitors the steel plate. The position of the plate is detected. During the detection, the infrared sensor 24 uses the center positioning line 26 as a reference to improve the adjustment accuracy of the steel plate. When the steel plate is detected to be offset or tilted towards the side of the first limiting frame 8, it is fed back to the adjustment controller 25. The adjustment controller 25 starts one of the electric rails 6 to move towards the first limiting frame 8. The program set in the adjustment controller 25 causes the electric rail 6 to drive the positioning conveyor belt 3 to move a fixed distance, so that the rotating abutment column 11 abuts against the steel plate and approaches the center positioning line 26. When it abuts, the rotating abutment column 11 rotates, which facilitates the adjustment of the position of the steel plate and reduces the offset and tilt of the steel plate. After the electric rail 6 moves, it resets. When a steel plate in the opposite direction is detected, the positioning conveyor belt 3 drives the steel plate through the first limiting frame 8 and the second limiting frame 15. The second infrared sensor 24 detects the steel plate, so that the electric rail 6 drives the positioning conveyor belt 3 to move towards the side of the steel plate that is close to it, and abuts against the other side of the steel plate. When the conveyor is in use, when the electric track 6 drives the positioning conveyor belt 3 to move, the positioning conveyor belt 3 drives the moving rack 17 to move. The movement of the moving rack 17 causes the moving gear 18 to rotate. The moving gear 18 rotates within the fixed frame 16, causing the moving gear 18 to rotate and move on the moving rack 19. At the same time, the fixed frame 16 drives the moving block 22 to slide within the moving groove, restricting the fixed frame 16. This causes the fixed frame 16 to drive the sliding column 20 to slide on the sliding block 21, restricting the fixed frame 16 and facilitating its stable movement. This causes the second restraining frame 15 to approach the positioning conveyor belt 3, causing the rotating abutment column to... When adjusting the position of the rotating abutment column 11 on the second limiting frame 15, turn the handle 12 on the second limiting frame 15 to rotate the adjusting screw 9, causing the limiting block 10 to drive the rotating abutment column 11 closer to the other side of the steel plate, so that the rotating abutment column 11 abuts against the steel plate, thereby adjusting the steel plate, improving the adjustment accuracy, and reducing the offset and tilt of the steel plate. When the steel plate is conveyed, the electric track 6 moves, causing the first limiting frame 8 and the rotating abutment column 11 on the second limiting frame 15 to move simultaneously, adjusting the abutment on both sides of the steel plate, reducing the offset and tilt of the steel plate. After adjustment, the positioning conveyor belt 3 is reset, which facilitates the subsequent grinding of the steel plate.

Claims

1. An extension conveyor table for a sanding machine (4), comprising a conveyor table body (1), characterized in that: Support legs (2) are fixed at the four corners of the lower end of the conveyor platform body (1), a positioning conveyor belt (3) is arranged on the conveyor platform body (1), a sanding machine (4) is arranged at one end of the positioning conveyor belt (3), a sanding opening (5) is opened on the sanding machine (4) at a position corresponding to the positioning conveyor belt (3), and a limiting mechanism is arranged between the conveyor platform body (1) and the sanding machine (4).

2. The epitaxial conveyor platform of a sanding machine (4) according to claim 1, characterized in that: The limiting mechanism comprises two symmetrical electric rails (6) fixed on the conveyor platform body (1), a sliding plate (7) being slidably connected to the electric rails, the sliding plate (7) being fixedly connected to the positioning conveyor belt (3), limiting frames (8) being fixed on both sides of the positioning conveyor belt (3), the two limiting frames (8) being staggered, and an adjustment component being arranged between the limiting frame (8) and the positioning conveyor belt (3).

3. The epitaxial conveyor platform of a sanding machine (4) according to claim 2, characterized in that: The adjustment assembly comprises a second limiting frame (15) arranged on both sides of the positioning conveyor belt (3), the second limiting frame (15) corresponding to the first limiting frame (8), the first limiting frame (8) and the second limiting frame (15) are both rotatably connected with an adjusting screw (9), the adjusting screw (9) extends into the first limiting frame (8) and the second limiting frame (15), the adjusting screw (9) is threadedly connected with a limiting block (10), the lower end of the limiting block (10) is rotatably connected with a rotating abutment column (11), the end of the adjusting screw (9) away from the limiting block (10) is fixed with a handle (12), the second limiting frame (15) and the conveyor platform body (1) are slidably arranged, and a limiting member is arranged between the adjusting screw (9) and the positioning conveyor belt (3).

4. The epitaxial conveyor platform of a sanding machine (4) according to claim 3, characterized in that: The limiting member comprises a limiting column (13) fixed on limiting frame one (8) and limiting frame two (15), the limiting column (13) extending into limiting frame one (8) and limiting frame two (15), the limiting column (13) slidingly passing through the limiting block (10) and fixedly connected with a fixing block (14), two symmetrical support frames (23) being fixed on one side of the positioning conveyor belt (3), an adjustment controller (25) being fixed on the support frame (23), and the adjustment controller (25) being electrically connected with the electric track (6).

5. The epitaxial conveying table of a sanding machine (4) according to claim 4, characterized in that: An infrared sensor (24) is fixed on the support frame (23), a center positioning line (26) is fixed on the positioning conveyor belt (3), the center positioning line (26) is located at the center of the positioning conveyor belt (3), the infrared sensor (24) corresponds to the center positioning line (26), and the infrared sensor (24) is electrically connected to the adjustment controller (25).

6. The epitaxial conveyor platform of a sanding machine (4) according to claim 4, characterized in that: A movable rack (17) is fixed to the lower ends of both sides of the positioning conveyor belt (3), a fixed frame (16) is fixed to the lower end of the limiting frame (15), a movable gear (18) is rotatably connected inside the fixed frame (16), both sides of the movable gear (18) extend out of the fixed frame (16), the movable gear (18) is meshed with the movable rack (17), the movable rack (17) is slidably arranged with the conveyor platform body (1), and a limiting component is arranged between the movable gear (18) and the conveyor platform body (1).

7. An epitaxial conveyor table for a sanding machine (4) according to claim 6, characterized in that: The limiting component comprises a second moving rack (19) fixed on the conveyor platform body (1), the second moving rack (19) being located on one side of the fixed frame (16), the second moving rack (19) being meshed with the moving gear (18), a moving block (22) being fixed at the lower end of the fixed frame (16), a moving groove being provided on the conveyor platform body (1), and the moving block (22) being located in the moving groove.

8. An epitaxial conveyor table for a sanding machine (4) according to claim 7, characterized in that: A sliding column (20) is fixed to one end of the fixed frame (16), a sliding block (21) is fixed to the conveying platform body (1), and the sliding column (20) slides through the sliding block (21).

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