An automatic turning and conveying device and conveying method for sanding and polishing furniture wood

Abstract

The present invention relates to the technical field of furniture processing, and specifically relates to an automatic turning and conveying device for sanding and polishing furniture wood. The conveying device includes a conveying device, a collecting device, a transferring device, and a flipping device. The beneficial effects are as follows: The conveying device designed by the present invention can realize the automatic loading and unloading of wooden boards on the sander by using two conveying devices arranged at the inlet and outlet ends of the sander. At the same time, two collecting devices arranged between the two conveying devices and the sander can effectively collect and discharge the sundries and waste materials on the wooden boards, avoiding the influence of sundries and waste materials on the processing accuracy of the sander or affecting the subsequent use of the wooden boards. At the same time, during the processing of the wooden boards, the transferring device and the flipping device can be used to realize the automatic flipping and reloading of the wooden boards, thus automatically completing the sanding and processing of both sides of the wooden boards. This not only avoids excessive physical exhaustion of workers but also can effectively improve production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of furniture processing, and particularly to an automatic turning and conveying device and a conveying method for sanding and polishing furniture wood Background Art

[0002] In the production process of furniture, various wood board materials are required. After the wood boards are cut, they need to be polished by a sander to meet subsequent use requirements. Existing sanders cannot process both sides of the wood board simultaneously. Therefore, generally, after one side of the wood board is processed by a sander, the wood board needs to be manually turned over and re-fed into the sander for secondary processing. However, when the size of the wood board is large, turning over the wood board requires a lot of physical strength from workers, and the turning time is long and the efficiency is low. Therefore, it is difficult to meet the existing processing requirements.

[0003] If a new conveying device that can transport wood boards and automatically turn them over is invented, such problems can be effectively solved. For this reason, we provide an automatic turning and conveying device and a conveying method for sanding and polishing furniture wood. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic turning and conveying device and a conveying method for sanding and polishing furniture wood to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An automatic turning and conveying device for sanding and polishing furniture wood, the conveying device includes:

[0006] A conveying device, one conveying device is provided at each of the inlet and outlet ends corresponding to the sander for conveying wood boards to the sander or discharging wood boards. The conveying device includes a mounting frame, and at least three first rollers for transporting wood boards are rotatably arranged in a linear array on the mounting frame. A main rotation motor is fixedly installed on the mounting frame, and the output end of the main rotation motor drives each first roller to rotate through a chain;

[0007] A collecting device, one collecting device is provided at the connection of the inlet and outlet ends of the sander with the corresponding conveying devices at the corresponding positions. The collecting device includes a blanking base, and a blanking channel for blanking is provided on the blanking base. A second roller for supporting and conveying wood boards is rotatably installed on the blanking base, and a roller motor for driving the second roller to rotate is fixedly installed on the blanking base. A baffle device for scraping waste above the wood board is fixedly installed on the blanking base;

[0008] Transfer device, the transfer device includes a guide rail fixed on the ground, and a first lead screw motor is fixedly installed on the guide rail. The output end of the first lead screw motor drives a first moving seat that displaces along the guide rail through a lead screw. A second lead screw motor is fixedly installed on the first moving seat. The output end of the second lead screw motor drives a second moving seat that displaces along the first moving seat through a lead screw. An angle adjustment motor is fixedly installed on the second moving seat, and a lifting push rod is driven on the angle adjustment motor;

[0009] Flipping device, the flipping device includes a connecting frame fixedly installed at the output end of the lifting push rod. A rotating frame is rotatably installed on the connecting frame through a bearing. A gear ring is fixedly installed on the rotating frame. A driving motor is fixedly installed on the connecting frame. The output end of the driving motor drives a driving wheel that meshes with the gear ring and drives the rotating frame to rotate. At least two pairs of clamping arms that are staggered in position with the first roller and used to clamp the wooden board are installed on the rotating frame through adjustment push rods. A controller is installed on the outer shell of the sander, and the controller is electrically connected to the main rotating motor, the lifting push rod, the angle adjustment motor, the second lead screw motor, the first lead screw motor, the adjustment push rod, the driving motor, and the roller motor respectively.

[0010] Preferably, the controller is a PLC controller, and both the angle adjustment motor and the driving motor are stepping motors.

[0011] Preferably, a positioning plate is fixedly installed on the rotating frame, and limiting columns used to press the positioning plate in the horizontal position are fixedly installed on the left and right sides of the connecting frame respectively.

[0012] Preferably, a third lead screw motor electrically connected to the controller is fixedly installed at the bottom of the mounting frame. The output end of the third lead screw motor drives a limiting frame that displaces along the mounting frame and is used to limit the side position of the wooden board.

[0013] Preferably, a clamping push rod used to clamp the wooden board and electrically connected to the controller is fixedly installed on the clamping arm, and an anti-falling limiting block used to limit the wooden board is arranged at the end of the clamping arm.

[0014] Preferably, a top frame is fixedly installed on the blanking base, and a camera electrically connected to the controller is fixedly installed on the top frame. A display used to display the image captured by the camera is electrically connected to the controller.

[0015] Preferably, a discharging device used to discharge waste is arranged in the blanking channel. An inclined guiding frame is fixedly installed on the discharging device. A conveying motor is fixedly installed on the inclined guiding frame. The output end of the conveying motor drives a conveyor belt for carrying waste.

[0016] Preferably, the material blocking device includes a material blocking frame fixedly installed on the blanking base through a screw knob, and a material blocking plate corresponding to the upper part of the blanking channel is fixedly installed on the material blocking frame.

[0017] Preferably, a dust suction device is provided on the collection device, and the dust suction device includes a mounting plate. A height adjustment push rod is fixedly installed on the mounting plate, and the output end of the height adjustment push rod is fixedly installed on the upper end of the blanking base. A dust suction pump is fixedly installed on the mounting plate, and a dust suction port for dust suction communicated with the inlet end of the dust suction pump is arranged below the mounting plate. The height adjustment push rod and the dust suction pump are respectively electrically connected to a controller.

[0018] A conveying method of an automatic turning and conveying device for sanding and polishing furniture wood includes the following steps:

[0019] S1. External feeding: Place the wood board on the conveying device for feeding through an external overhead crane or manually, and ensure that the wood board does not collide with or get stuck in the inner wall of the conveying device. Then, drive the first roller by the main rotation motor on the conveying device to convey the wood board to the collection device at the inlet end of the corresponding sander.

[0020] S2. Impurity removal and processing: The collection device at the inlet end of the corresponding sander drives the second roller to rotate through a roller motor and drives the wood board to enter the interior of the sander from the inlet end of the sander for processing. During the transportation process, use the material blocking device to scrape and clean the sundries above the wood board. The sundries and waste generated by the cleaning fall into the blanking channel and are discharged.

[0021] S3. Cleaning and positioning: The wood board processed by the sander will be sent into the collection device at the outlet end of the corresponding sander by the conveying equipment inside the sander for cleaning. After cleaning, the collection device will send the wood board into the conveying device at the outlet end of the corresponding sander. At this time, the externally set limit block positions the wood board on the conveying device so that the wood board enters the positioned state.

[0022] S4. Reverse processing: After the wooden board enters the in-position state on the conveying device corresponding to the outlet end of the sander, the clamping arm clamps the wooden board under the drive of the adjustment push rod. Subsequently, the drive motor drives the rotating frame to flip the wooden board by 180 degrees for reverse side. Then, under the drive of the second lead screw motor, the wooden board moves to the side away from the conveying device, and at the same time, the lifting push rod jacks up the wooden board. Then, under the drive of the angle adjustment push rod, the wooden board rotates horizontally by 180 degrees again towards the side of the conveying device. Subsequently, under the drive of the first lead screw motor, the wooden board is transported from the conveying device near the outlet end of the corresponding sander to the conveying device near the inlet end of the sander. Then, the second lead screw motor is used to transport the wooden board above the conveying device, and then the downward wooden board is placed on the first roller through the lifting push rod. Subsequently, the clamping arm releases the wooden board, and steps S2 and S3 are executed again. At the same time, the flipping device moves to the non-working area away from the conveying device under the drive of the second lead screw motor;

[0023] S5. After steps S2 and S3 are executed again, both sides of the wooden board are processed. At this time, the wooden board on the conveying device at the outlet end of the sander is removed by the overhead crane or manually. Subsequently, the flipping device is transported again to the position matching the conveying device at the outlet end of the sander under the drive of the transfer device to wait for the next transfer operation.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: The designed conveying device of the present invention can realize the automatic loading and unloading of the wooden board on the sander by using the two conveying devices arranged at the inlet and outlet ends of the sander. At the same time, the two collecting devices arranged between the two conveying devices and the sander can effectively collect and discharge the sundries and waste materials on the wooden board, avoiding the sundries and waste materials from affecting the processing accuracy of the sander or the subsequent use of the wooden board. At the same time, during the processing of the wooden board, the transfer device and the flipping device can be used to realize the automatic flipping and reloading of the wooden board, so as to automatically complete the grinding process of both sides of the wooden board. This not only avoids excessive physical consumption of workers but also can effectively improve production efficiency, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram of the present invention;

[0026] Figure 2 It is a side view of the structure of the present invention;

[0027] Figure 3 It is a schematic structural diagram of the conveying device of the present invention;

[0028] Figure 4 It is a side view of the structure of the conveying device of the present invention;

[0029] Figure 5 It is a schematic structural diagram of the flipping device of the present invention;

[0030] Figure 6 Structural schematic diagram of the collection device of the present invention;

[0031] Figure 7 Structural schematic diagram of the transfer device of the present invention;

[0032] Figure 8 Structural schematic diagram of the dust collection device of the present invention.

[0033] In the figure: 1, sander; 2, conveying device; 201, main rotating motor; 202, chain; 203, first roller; 204, mounting bracket; 3, wooden board; 4, transfer device; 401, lifting push rod; 402, angle adjustment motor; 403, second lead screw motor; 404, second moving seat; 405, first moving seat; 406, guide rail; 407, first lead screw motor; 5, flipping device; 501, clamping arm; 502, rotating frame; 503, adjustment push rod; 504, connecting frame; 505, gear ring; 506, driving wheel; 507, driving motor; 6, collection device; 601, blanking channel; 602, second roller; 603, blanking base; 604, roller motor; 7, dust collection device; 701, dust suction port; 702, dust suction pump; 703, mounting plate; 704, height adjustment push rod; 8, discharging device; 801, conveyor belt; 802, inclined guiding frame; 803, conveying motor; 9, material blocking device; 901, material blocking plate; 902, material blocking frame; 903, screw button; 10, controller; 11, limiting frame; 12, third lead screw motor; 13, positioning plate; 14, limiting column; 15, clamping push rod; 16, top frame; 17, camera; 18, display; 19, anti-dropping limiting block. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the technical solutions in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0035] Please refer to Figures 1 to 8 , the present invention provides a technical solution: an automatic turning and conveying device for sanding and polishing furniture wood, and the conveying device includes:

[0036] Conveying device 2, please refer to Figures 2 to 4, a conveying device 2 is provided at each of the inlet and outlet ends corresponding to the sander 1 for conveying the wooden board 3 to the sander 1 or discharging the wooden board 3. The conveying device 2 includes a mounting frame 204. At least three first rollers 203 for transporting the wooden board 3 are rotatably arranged in a linear array on the mounting frame 204. A main rotating motor 201 is fixedly installed on the mounting frame 204. The output end of the main rotating motor 201 drives each first roller 203 to rotate through a chain 202. The chain 202 can also be replaced with a belt according to needs. A third lead screw motor 12 electrically connected to the controller 10 is fixedly installed at the bottom of the mounting frame 204. The output end of the third lead screw motor 12 drives a limiting frame 11 that displaces along the mounting frame 204 and is used to limit the side position of the wooden board 3. A controller 10 is installed on the outer shell of the sander 1;

[0037] Collection device 6, please refer to Figure 1 、 Figure 2 and Figure 6, at the connection between the inlet and outlet ends of the sander 1 and the corresponding conveying device 2 at the corresponding positions, a collecting device 6 is provided respectively. The collecting device 6 includes a blanking base 603, and a blanking channel 601 for blanking is provided on the blanking base 603. A second roller 602 for supporting and conveying the wooden board 3 is rotatably installed on the blanking base 603, and a roller motor 604 for driving the second roller 602 to rotate is fixedly installed on the blanking base 603. A baffle device 9 for scraping the waste above the wooden board 3 is fixedly installed on the blanking base 603. The baffle device 9 includes a baffle frame 902 fixedly installed on the blanking base 603 through a screw knob 903, and a baffle plate 901 corresponding to the upper part of the blanking channel 601 is fixedly installed on the baffle frame 902. The baffle plate 902 can scrape the sundries and waste located above the wooden board 3, so that the sundries and waste fall into the blanking channel 601. A top frame 16 is fixedly installed on the blanking base 603, and a camera 17 electrically connected to the controller 10 is fixedly installed on the top frame 16. A display 18 for displaying the image captured by the camera 17 is electrically connected to the controller 10. A discharging device 8 for discharging waste is arranged in the blanking channel 601. An inclined guiding frame 802 is fixedly installed on the discharging device 8, and a conveying motor 803 is fixedly installed on the inclined guiding frame 802. A conveyor belt 801 for carrying waste and sundries is driven by the output end of the conveying motor 803. The conveyor belt 801 can convey the sundries and waste into an external collecting device for collection. A dust suction device 7 is arranged on the collecting device 6. The dust suction device 7 includes a mounting plate 703. A height adjustment push rod 704 is fixedly installed on the mounting plate 703, and the output end of the height adjustment push rod 704 is fixedly installed with the upper end of the blanking base 603. A dust suction pump 702 is fixedly installed on the mounting plate 703, and a dust suction port 701 for dust suction communicated with the inlet end of the dust suction pump 702 is arranged below the mounting plate 703. The height adjustment push rod 704 and the dust suction pump 702 are respectively electrically connected to the controller 10. The dust suction device 7 can suck the dust on the wooden board 3 to keep the surface of the wooden board 3 clean;

[0038] The transfer device 4, please refer to Figure 1 , Figure 2 and Figure 7 The transfer device 4 includes a guide rail 406 fixed on the ground, and a first lead screw motor 407 is fixedly installed on the guide rail 406. The output end of the first lead screw motor 407 drives a first moving seat 405 moving along the guide rail 406 through a lead screw. A second lead screw motor 403 is fixedly installed on the first moving seat 405. The output end of the second lead screw motor 403 drives a second moving seat 404 moving along the first moving seat 405 through a lead screw. An angle adjustment motor 402 is fixedly installed on the second moving seat 404, and a lifting push rod 401 is driven by the angle adjustment motor 402;

[0039] Flipping device 5, please refer to Figure 1 , Figure 2 and Figure 5 . The flipping device 5 includes a connecting frame 504 fixedly installed at the output end of the lifting push rod 401. A rotating frame 502 is rotatably installed on the connecting frame 504 through bearings. A gear ring 505 is fixedly installed on the rotating frame 502. A driving motor 507 is fixedly installed on the connecting frame 504. The output end of the driving motor 507 drives a driving wheel 506 that meshes with the gear ring 505 and drives the rotating frame 502 to rotate. At least two pairs of clamping arms 501 that are staggered with the position of the first roller 203 and are used to clamp the wooden board 3 are installed on the rotating frame 502 through adjusting push rods 503. A positioning plate 13 is fixedly installed on the rotating frame 502. Limit posts 14 for pressing the positioning plate 13 in the horizontal position are fixedly installed on the left and right sides of the connecting frame 504 respectively. When the positioning plate 13 follows the rotating frame 502 and flips to different sides, it will be pressed by the limit posts 14 on the corresponding side, so as to prevent the clamping arms 501 on the rotating frame 502 from sagging to this side under the action of gravity. A clamping push rod 15 for clamping the wooden board 3 and electrically connected to the controller 10 is fixedly installed on the clamping arm 501. An anti-drop limit block 19 for limiting the wooden board 3 is arranged at the end of the clamping arm 501. The controller 10 is electrically connected to the main rotation motor 201, the lifting push rod 401, the angle adjustment motor 402, the second lead screw motor 403, the first lead screw motor 407, the adjustment push rod 503, the driving motor 507 and the roller motor 604 respectively. The controller 10 is a PLC controller, and both the angle adjustment motor 402 and the driving motor 507 are stepping motors.

[0040] The conveying device designed by the present invention can realize the automatic loading and unloading of the wooden board 3 on the sander 1 by using the two conveying devices 2 arranged at the inlet and outlet ends of the sander 1. At the same time, the two collecting devices 6 arranged between the two conveying devices 2 and the sander 1 can effectively collect and discharge the sundries and waste materials on the wooden board 3, avoiding the sundries and waste materials from affecting the processing accuracy of the sander 1 or affecting the subsequent use of the wooden board 3. At the same time, during the processing of the wooden board 3, the transfer device 4 and the flipping device 5 can be used to realize the automatic flipping and reloading of the wooden board 3, so as to automatically complete the grinding process of both sides of the wooden board 3. This not only avoids excessive physical exhaustion of workers but also can effectively improve production efficiency, and has high practical value.

[0041] A conveying method for an automatic turning and conveying device for sanding and grinding furniture wood includes the following steps:

[0042] S1. External loading: The plank 3 is placed on the feeding conveying device 2 by an external overhead crane or manually, and it is ensured that the plank 3 does not collide with or get stuck on the inner wall of the conveying device 2, and then the main rotating motor 201 on the conveying device 2 drives the first roller 203 to convey the plank 3 to the collecting device 6 at the inlet end of the corresponding sanding machine 1;

[0043] S2. Cleaning and processing: The collecting device 6 corresponding to the inlet end of the sanding machine 1 drives the second roller 602 to rotate through the roller motor 604 and drives the wood board 3 from the inlet end of the sanding machine 1 to enter the sanding machine 1 for processing, and the blocking device 9 is used to scrape and clean the debris above the wood board 3 during transportation, and the debris and waste generated by cleaning fall into the unloading channel 601 and are discharged;

[0044] S3. Cleaning and positioning: the wood board 1 processed by the sanding machine 1 is sent to the collecting device 6 at the outlet of the sanding machine 1 by the conveying device inside the sanding machine 1 for cleaning. After cleaning, the collecting device 6 will send the wood board 3 to the conveying device 2 at the outlet of the sanding machine 1. At this time, the wood board 3 is limited on the conveying device 2 by the artificially set external limit block so that the wood board 3 enters the positioning state;

[0045] S4. Turning over: When the plank 3 is in position on the conveying device 2 corresponding to the outlet end of the sanding machine 1, the clamping arm 501 clamps the plank 3 under the drive of the adjustment push rod 503, and then the driving motor 507 drives the rotating frame 502 to turn the plank 3 180 degrees to turn it over, and then the plank 3 moves to the side away from the conveying device 2 under the drive of the second screw motor 403, and at the same time, the lifting push rod 401 pushes the plank 3 upward, and then the plank 3 is horizontally rotated 180 degrees again under the drive of the angle adjustment push rod 402 toward the conveying device 2. 2, and then driven by the first screw motor 407, the wooden board is transported from the conveying device 2 near the outlet end of the corresponding sanding machine 1 to the conveying device 2 near the inlet end of the sanding machine 1, and then the second screw motor 403 is used to transport the wooden board 3 to the top of the conveying device 2, and then the lifting push rod 401 is used to place the downward wooden board 3 on the first roller 203, and then the clamping arm 501 releases the wooden board 3, and the steps S2 and S3 are performed again, and at the same time, the turning device 5 is driven by the second screw motor 403 to move to the non-working area away from the conveying device 2;

[0046] S5. After executing steps S2 and S3 again, both sides of the wooden board 3 are processed. At this time, the wooden board 3 on the conveying device 2 at the outlet end of the sanding machine 1 is removed by an overhead crane or manually, and then the turning device 5 is driven by the transfer device 4 to transport it to the position cooperating with the conveying device 2 at the outlet end of the sanding machine 1 to wait for the next transfer operation.

[0047] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic turning and conveying device for sanding and polishing furniture wood, characterized in that, the conveying device includes: a conveying device (2), the conveying device (2) is provided with one at each of the inlet and outlet ends corresponding to the sander (1) for conveying the wooden board (3) to the sander (1) or discharging the wooden board (3), and the conveying device (2) includes a mounting frame (204), at least three first rollers (203) for transporting the wooden board (3) are rotatably arranged in a linear array on the mounting frame (204), and a main rotating motor (201) is fixedly installed on the mounting frame (204), and the output end of the main rotating motor (201) drives each first roller (203) to rotate through a chain (202); a collecting device (6), a collecting device (6) is provided at each connection of the inlet and outlet ends of the sander (1) with the conveying device (2) at the corresponding positions, and the collecting device (6) includes a blanking base (603), and a blanking channel (601) for blanking is arranged on the blanking base (603), a second roller (602) for supporting and conveying the wooden board (3) is rotatably installed on the blanking base (603), and a roller motor (604) for driving the second roller (602) to rotate is fixedly installed on the blanking base (603), and a baffle device (9) for scraping off the waste above the wooden board (3) is fixedly installed on the blanking base (603); a transfer device (4), the transfer device (4) includes a guide rail (406) fixed on the ground, and a first screw motor (407) is fixedly installed on the guide rail (406), the output end of the first screw motor (407) drives a first moving seat (405) to displace along the guide rail (406) through a screw rod, and a second screw motor (403) is fixedly installed on the first moving seat (405), the output end of the second screw motor (403) drives a second moving seat (404) to displace along the first moving seat (405) through a screw rod, and an angle adjustment motor (402) is fixedly installed on the second moving seat (404), and a lifting push rod (401) is driven by the angle adjustment motor (402); Turning device (5), the turning device (5) includes a connecting frame (504) fixedly installed at the output end of the lifting push rod (401), a rotating frame (502) is rotatably installed on the connecting frame (504) through a bearing, a gear ring (505) is fixedly installed on the rotating frame (502), a driving motor (507) is fixedly installed on the connecting frame (504), a driving wheel (506) that meshes with the gear ring (505) and drives the rotating frame (502) to rotate is driven at the output end of the driving motor (507), and at least two pairs of clamping arms (501) that are staggered in position with the first roller (203) and used for clamping the wooden board (3) are installed on the rotating frame (502) through adjusting push rods (503). A controller (10) is installed on the outer shell of the sander (1), and the controller (10) is electrically connected to the main rotating motor (201), the lifting push rod (401), the angle adjusting motor (402), the second lead screw motor (403), the first lead screw motor (407), the adjusting push rod (503), the driving motor (507), and the roller motor (604) respectively.

2. The automatic turning and conveying device for sanding and polishing furniture wood according to claim 1, characterized in that: The controller (10) is a PLC controller, and the angle adjusting motor (402) and the driving motor (507) are both stepping motors.

3. The automatic turning and conveying device and conveying method for sanding and polishing furniture wood according to claim 1, characterized in that: A positioning plate (13) is fixedly installed on the rotating frame (502), and limiting columns (14) for pressing the positioning plate (13) in a horizontal position are respectively fixedly installed on the left and right sides of the connecting frame (504).

4. The automatic turning and conveying device for sanding and polishing furniture wood according to claim 1, characterized in that: A third lead screw motor (12) electrically connected to the controller (10) is fixedly installed at the bottom of the mounting frame (204), and a limiting frame (11) that displaces along the mounting frame (204) and is used for limiting the side position of the wooden board (3) is driven by a lead screw at the output end of the third lead screw motor (12).

5. The automatic turning and conveying device for sanding and polishing furniture wood according to claim 1, characterized in that: A clamping push rod (15) that is used for clamping the wooden board (3) and is electrically connected to the controller (10) is fixedly installed on the clamping arm (501), and an anti-drop limiting block (19) for limiting the wooden board (3) is arranged at the end of the clamping arm (501).

6. The automatic turning and conveying device for sanding and polishing furniture wood according to claim 1, characterized in that: A top frame (16) is fixedly installed on the blanking base (603), a camera (17) electrically connected to the controller (10) is fixedly installed on the top frame (16), and a display (18) for displaying the image captured by the camera (17) is electrically connected to the controller (10).

7. The automatic turning and conveying device for sanding and polishing furniture wood according to claim 1, characterized in that: A discharging device (8) for discharging waste is arranged in the blanking channel (601), and an inclined guiding frame (802) is fixedly installed on the discharging device (8). A conveying motor (803) is fixedly installed on the inclined guiding frame (802), and a conveyor belt (801) for carrying waste is driven by the output end of the conveying motor (803).

8. An automatic turning and conveying device for sanding and polishing furniture wood according to claim 1, characterized in that: The material blocking device (9) includes a material blocking frame (902) fixedly installed on the blanking base (603) through a screw knob (903), and a material blocking plate (901) corresponding to the upper part of the blanking channel (601) is fixedly installed on the material blocking frame (902).

9. An automatic turning and conveying device for sanding and polishing furniture wood according to claim 1, characterized in that: A dust suction device (7) is arranged on the collection device (6), and the dust suction device (7) includes a mounting plate (703). A height adjustment push rod (704) is fixedly installed on the mounting plate (703), and the output end of the height adjustment push rod (704) is fixedly installed on the upper end of the blanking base (603). A dust suction pump (702) is fixedly installed on the mounting plate (703), and a dust suction port (701) for dust suction communicated with the inlet end of the dust suction pump (702) is arranged below the mounting plate (703). The height adjustment push rod (704) and the dust suction pump (702) are respectively electrically connected to the controller (10).

10. A conveying method of the automatic turning and conveying device for sanding and polishing furniture wood according to any one of claims 1-9, characterized in that, comprising the following steps: S1. External feeding: Place the wood board (3) on the conveying device (2) for feeding through an external overhead crane or manually, and ensure that the wood board (3) does not collide with or get stuck in the inner wall of the conveying device (2). Then, drive the first roller (203) through the main rotation motor (201) on the conveying device (2) to convey the wood board (3) to the collection device (6) at the inlet end of the corresponding sander (1); S2. Debris removal and processing: The collection device (6) at the inlet end of the corresponding sander (1) drives the second roller (602) to rotate through the roller motor (604) and drives the wood board (3) to enter the interior of the sander (1) from the inlet end of the sander (1) for processing. During the transportation process, use the material blocking device (9) to scrape and clean the debris above the wood board (3). The generated debris and waste fall into the blanking channel (601) and are discharged; S3. Cleaning and positioning: The wood board (1) processed by the sander (1) will be sent into the collection device (6) at the outlet end of the corresponding sander (1) by the conveying equipment inside the sander (1) for cleaning. After cleaning, the collection device (6) will send the wood board (3) into the conveying device (2) at the outlet end of the corresponding sander (1). At this time, the externally set limit block positions the wood board (3) on the conveying device (2) so that the wood board (3) enters the positioned state; S4. Reverse side processing: After the wooden board (3) enters the in-place state on the conveying device (2) corresponding to the outlet end of the sander (1), the clamping arm (501) clamps the wooden board (3) under the drive of the adjustment push rod (503). Subsequently, the drive motor (507) drives the rotating frame (502) to flip the wooden board (3) by 180 degrees for reverse side turning. Then, under the drive of the second lead screw motor (403), the wooden board (3) moves towards the side away from the conveying device (2), and at the same time, the lifting push rod (401) jacks up the wooden board (3). Then, under the drive of the angle adjustment push rod (402), the wooden board (3) rotates horizontally by 180 degrees again towards the side of the conveying device (2). Subsequently, under the drive of the first lead screw motor (407), the wooden board is transported from the conveying device (2) near the outlet end of the corresponding sander (1) to the conveying device (2) near the inlet end of the sander (1). Then, the second lead screw motor (403) is used to transport the wooden board (3) above the conveying device (2), and then the downward wooden board (3) is placed on the first roller (203) through the lifting push rod (401). Subsequently, the clamping arm (501) releases the wooden board (3), and steps S2 and S3 are executed again. At the same time, the flipping device (5) moves to the non-working area away from the conveying device (2) under the drive of the second lead screw motor (403); S5. After steps S2 and S3 are executed again, both sides of the wooden board (3) are processed. At this time, the wooden board (3) on the conveying device (2) at the outlet end of the sander (1) is removed by the overhead crane or manually. Subsequently, the flipping device (5) is transported again to the position cooperating with the conveying device (2) at the outlet end of the sander (1) under the drive of the transfer device (4) to wait for the next transfer operation.

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