Welding device and welding method for advertising board machining

Abstract

The invention discloses a welding device and a welding method for advertising board processing, and relates to the field of advertising board welding equipment.The welding device comprises a workbench, and a welding mechanism is arranged at the front end of the workbench. According to the full-automatic welding machine, the rotating mechanism, the deviation preventing mechanism and the overturning mechanism are integrated, full-process continuous operation is achieved, the welding station and the stacking procedure are synchronously switched through the rotating mechanism, the machining efficiency is improved, and the operation continuity is enhanced; the anti-deviation mechanism provides precise automatic alignment clamping during welding and intelligently relieves positioning after welding, so that the qualification rate of welding seams is improved while manual intervention is reduced; the overturning mechanism enables the overturning plate to deflect, so that the welded advertising board automatically slides onto the conveying belt under unpowered driving, automatic discharging and conveying are achieved through cooperation with the conveying belt, time and labor are saved, meanwhile, manual contact can be completely eliminated, the scalding risk is reduced, and the continuous operation capacity is improved; the three mechanisms cooperatively operate and only need to be driven by a single motor, and energy saving performance is improved compared with traditional equipment.

Description

Technical Field

[0001] The present invention relates to the field of billboard welding equipment, and particularly to a welding device and a welding method for billboard processing. Background Art

[0002] A billboard is a multi-form visual carrier for transmitting advertising information or specific signals, and its core functions include commercial publicity, public information guidance, and production process management. Billboard can be divided into indoor billboards and outdoor billboards according to different placement positions. Billboards installed outdoors or at high places need to be connected very firmly. Therefore, during installation, the billboard and the bracket are welded to prevent safety accidents.

[0003] During traditional welding, the billboard is placed on the top of the workbench and clamped for positioning. Then, the bracket is manually stacked on the top of the billboard and the welding position is tried to be aligned. At this time, the welding torch can be held by hand to perform the welding operation. During the welding process, the bracket needs to be manually supported, which is likely to cause misalignment of the weld seam and affect the welding quality. Moreover, the manual stacking and alignment rely on the operator's experience judgment, resulting in difficult to ensure the alignment accuracy and there are deviations. After welding, it is necessary to stop the machine for manual loading and unloading, and continuous processing operation cannot be realized, resulting in low efficiency, increased labor intensity and the risk of scalding. Summary of the Invention

[0004] The purpose of the present invention is to provide a welding device and a welding method for billboard processing to solve the technical problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A welding device for billboard processing, including a workbench, a welding mechanism is arranged at the front end of the workbench, and the welding mechanism includes a welding control box connected to the front end of the workbench. A welding torch is hung at the front end of the welding control box, and a connecting wire is connected between the welding control box and the welding torch;

[0006] A rotating mechanism is arranged through the inside of the workbench. The rotating mechanism includes a rotating table movably connected to the workbench. An anti-deviation mechanism is arranged through the inside of the rotating table. The anti-deviation mechanism includes an outer tooth plate group and an inner tooth plate group welded to the top of the workbench and a rotating rod connected to the rotating table through a bearing. The radius of the outer tooth plate group is greater than the radius of the inner tooth plate group. A displacement frame is movably connected to the surface of the rotating rod. One side of the displacement frame is sequentially connected with an anti-deviation plate B and an anti-deviation plate A from top to bottom. The anti-deviation plate B is set in a V-shaped structure and the anti-deviation plate A is set in an L-shaped structure;

[0007] A flipping mechanism is provided between the rotating table and the workbench. The flipping mechanism includes a guiding rod welded to the top end of the workbench and a flipping table movably connected to the rotating table. The bottom end of the flipping table is rotatably connected to a connecting plate through a hinge seat. A conveyor belt is arranged on one side of the workbench, and the conveyor belt is used for conveying the welded billboard.

[0008] Preferably, a motor is installed at the middle position of the bottom end of the workbench. The output end of the motor is connected to a rotating column welded to the rotating table through a coupling.

[0009] Preferably, support rods are welded to the bottom end of the rotating table at equal angles. Support grooves which form a sliding structure with the support rods are opened at the top end of the workbench.

[0010] Preferably, a support shaft is rotatably connected to the inside of the bottom end of the rotating table through a bearing, and the support shafts are symmetrically arranged about the central axis of the flipping table. A bevel gear set is connected between the support shaft and the rotating rod.

[0011] Preferably, a toothed disc which is meshed with an external toothed plate group is connected to one end of the support shaft far away from the bevel gear set. The toothed discs are symmetrically arranged about the central axis of the flipping table, and the two toothed discs are arranged in a vertically staggered manner. The external toothed plate group is composed of two arc-shaped toothed plates one arranged in a vertically staggered manner. The internal toothed plate group is composed of two arc-shaped toothed plates two arranged in a vertically staggered manner. The external toothed plate group and the internal toothed plate group are used to make the toothed disc rotate forward and backward.

[0012] Preferably, a guiding block is arranged inside the displacement frame. A guiding groove which forms a sliding structure with the guiding block is opened on the surface of the rotating rod. The guiding groove includes an arc-shaped groove and annular grooves symmetrically arranged at both ends of the arc-shaped groove.

[0013] Preferably, circular plates are arranged at both ends of the guiding groove on the surface of the rotating rod. Telescopic springs are arranged at one ends of the two circular plates close to each other.

[0014] Preferably, a guiding sleeve is connected to one end of the connecting plate close to the guiding rod. The guiding sleeve forms a sliding structure with the guiding rod. One side of the guiding rod close to the conveyor belt is arranged as a concave structure.

[0015] Preferably, a pin shaft which forms a rotating structure is connected between the flipping table and the rotating table.

[0016] A welding method for billboard processing includes the following steps:

[0017] S1. Place the billboard on the top of the flipping table, then stack the brackets on the top of the billboard and preliminarily align the welding positions.

[0018] S2. Drive the rotating table to rotate at intervals through the rotating mechanism so as to drive the stacked brackets and the billboard to move.

[0019] S3. Drive the anti-deviation mechanism to operate through the rotating mechanism so as to automatically align and clamp the bracket to be welded and the billboard.

[0020] S4. Send the billboard to the welding position through the rotating mechanism, and the operator welds the stacked billboard and the bracket through the welding mechanism.

[0021] S5. After the single welding is completed, make the rotating table continue to rotate, send a new billboard to be welded, and release the clamping and positioning of the bracket and the billboard.

[0022] S6. Drive the flipping mechanism to operate through the rotating mechanism so that the welded billboard can slide down onto the conveyor belt by itself without power drive, and cooperate with the conveyor belt to realize automatic blanking and conveying.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. For the welding device for billboard processing, the automatic switching of the billboard position is realized through the rotating mechanism, so as to synchronously complete the stacking of the billboard and the bracket during the welding process, reduce the downtime waiting time, shorten the overall processing cycle, enhance the operation continuity, and the automatic switching can reduce manual intervention.

[0025] 2. For the welding device for billboard processing, the anti-deviation mechanism is driven to operate through the rotating mechanism so as to realize the automatic clamping and limiting of the stacked bracket and the billboard, and after leaving the welding position, the clamping and positioning are released. At the same time, through the L-shaped structure of the anti-deviation plate A and the V-shaped structure of the anti-deviation plate B, the accurate alignment of the welding positions of the bracket and the billboard can be realized while clamping and positioning, solving the problems of welding position deviation and dislocation caused by manual placement and manual support during welding and the high labor intensity, and improving the convenience and accuracy of the welding operation.

[0026] 3. For the welding device for billboard processing, the flipping mechanism is driven to operate through the rotating mechanism so that the flipping plate deflects, so that the welded billboard can slide down onto the conveyor belt by itself without power drive, so as to cooperate with the conveyor belt to realize automatic blanking and conveying, saving time and effort while being able to completely eliminate manual contact, reducing the risk of scalding and improving the continuous operation ability. And the flipping action is driven by the kinetic energy of the rotating table, and the mechanical transmission parts have a lower failure rate than the electric push rod, and there is no need to add additional driving parts, reducing the energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0028] Figure 2 is for the present invention Figure 1 is an enlarged structural schematic diagram at A in

[0029] Figure 3 is the right view structure schematic diagram of the present invention;

[0030] Figure 4 is the three-dimensional structure schematic diagram of the rotating table and the working table of the present invention;

[0031] Figure 5 is the three-dimensional exploded structure schematic diagram of the rotating table and the working table of the present invention;

[0032] Figure 6 is the three-dimensional structure schematic diagram of the anti-deviation mechanism of the present invention;

[0033] Figure 7 is the three-dimensional structure schematic diagram of the anti-deviation mechanism of the present invention in the open state;

[0034] Figure 8 is the three-dimensional structure schematic diagram of the anti-deviation mechanism of the present invention in the clamping state;

[0035] Figure 9 is the three-dimensional exploded structure schematic diagram of the displacement frame and the rotating rod of the present invention;

[0036] Figure 10 is the bottom three-dimensional structure schematic diagram of the rotating table and the flipping table of the present invention.

[0037] In the figure: 1. Working table; 2. Welding mechanism; 201. Welding control box; 202. Connecting wire; 203. Welding torch; 3. Rotating mechanism; 301. Motor; 302. Rotating column; 303. Rotating table; 304. Support groove; 305. Support rod; 4. Flipping mechanism; 401. Guide rod; 402. Guide sleeve; 403. Connecting plate; 404. Flipping table; 405. Pin shaft; 5. Anti-deviation mechanism; 501. Outer gear plate group; 502. Inner gear plate group; 503. Gear disc; 504. Support shaft; 505. Bevel gear group; 506. Rotating rod; 507. Displacement frame; 508. Anti-deviation plate A; 509. Anti-deviation plate B; 510. Guide block; 511. Guide groove; 512. Circular plate; 513. Telescopic spring; 6. Conveyor belt. Detailed implementation manners

[0038] 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 embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] Please refer to Figure 1 , Figure 3 , Figure 4 and Figure 5, the present invention provides a technical solution: a welding device for billboard processing, including a workbench 1. A welding mechanism 2 is provided at the front end of the workbench 1, and the welding mechanism 2 includes a welding control box 201 connected to the front end of the workbench 1. A welding torch 203 is hung at the front end of the welding control box 201, and a connecting wire 202 is connected between the welding control box 201 and the welding torch 203.

[0040] For this welding device for billboard processing, when the billboard is sent to the welding position, the operator opens the welding control box 201 and holds the welding torch 203 to weld the stacked billboard and the bracket. Since the welding control box 201 and the hand-held welding torch 203 are prior arts, no further details will be described here.

[0041] In Figures 1 - 5 and Figure 10 : A rotating mechanism 3 is disposed through the interior of the workbench 1. The rotating mechanism 3 includes a rotating table 303 movably connected to the workbench 1. A motor 301 is installed at the middle position of the bottom end of the workbench 1. The output end of the motor 301 is connected by a coupling to a rotating column 302 welded to the rotating table 303.

[0042] For this welding device for billboard processing, since the rotating table 303 and the workbench 1 are slidably connected through a support groove 304 and a support rod 305, when the motor 301 operates, the output end of the motor 301 drives the rotating column 302 and the rotating table 303 to rotate at intervals together, so as to realize the automatic switching of the position of the billboard, so that the stacking of the billboard and the bracket can be completed synchronously during the welding process, reduce the downtime waiting time, shorten the overall processing cycle, enhance the operation continuity, and the automatic switching can reduce the manual intervention.

[0043] In Figure 2 , Figure 3 , Figure 5 and Figure 10 : Support rods 305 are welded at equal angles at the bottom end of the rotating table 303, and a support groove 304 which forms a sliding structure with the support rods 305 is opened at the top end of the workbench 1.

[0044] This welding device for billboard processing can play a role in supporting and limiting the rotating table 303, so that the rotating table 303 can rotate stably.

[0045] In Figure 2 , Figure 3 , Figure 6 , Figure 7 and Figure 8In the middle: A support shaft 504 is rotatably connected to the inside of the bottom end of the rotary table 303 through a bearing, and the support shaft 504 is symmetrically arranged about the central axis of the turnover table 404. A bevel gear set 505 is connected between the support shaft 504 and the rotating rod 506, and the radius of the outer tooth plate group 501 is greater than that of the inner tooth plate group 502. One end of the support shaft 504 away from the bevel gear set 505 is connected to a tooth disc 503 that meshes with the outer tooth plate group 501, and the tooth disc 503 is symmetrically arranged about the central axis of the turnover table 404. And the two tooth discs 503 are arranged up and down in a staggered manner. The outer tooth plate group 501 is composed of two arc-shaped tooth plates one arranged up and down in a staggered manner. The inner tooth plate group 502 is composed of two arc-shaped tooth plates two arranged up and down in a staggered manner. And the outer tooth plate group 501 and the inner tooth plate group 502 are used to make the tooth disc 503 rotate forward and backward.

[0046] For this welding device for billboard processing, since the tooth disc 503 is meshed with the outer tooth plate group 501, the rotary table 303 rotates clockwise by itself during the process of driving the tooth disc 503 to revolve. Since the tooth disc 503 is meshed with the inner tooth plate group 502, after the tooth disc 503 moves away from the welding position, the tooth disc 503 meshes with the outer tooth plate group 501, making the tooth disc 503 rotate counterclockwise. Thus, the anti-deviation plate A 508 and the anti-deviation plate B 509 are separated from the bracket and the billboard, so as to release the clamping and positioning of the bracket and the billboard, thereby providing convenience for subsequent automatic blanking. And the anti-deviation mechanism 5 can be driven by the rotation of the rotary table 303, so that no additional driving components need to be added, reducing energy consumption.

[0047] In Figures 1 - 3 and Figures 6 - 9 In the middle: An anti-deviation mechanism 5 is arranged through the inside of the rotary table 303. The anti-deviation mechanism 5 includes an outer tooth plate group 501 and an inner tooth plate group 502 welded to the top end of the workbench 1 and a rotating rod 506 connected to the rotary table 303 through a bearing. A displacement frame 507 is movably connected to the surface of the rotating rod 506. One side of the displacement frame 507 is sequentially connected with an anti-deviation plate B 509 and an anti-deviation plate A 508 from top to bottom. A guide block 510 is arranged inside the displacement frame 507. A guide groove 511 that forms a sliding structure with the guide block 510 is opened on the surface of the rotating rod 506.

[0048] In the welding device for billboard processing, when the rotating table 303 rotates clockwise during the process of driving the gear disk 503 to revolve, the support shaft 504, the bevel gear set 505 and the rotating rod 506 can rotate synchronously. Since the displacement frame 507 is slidably connected to the rotating rod 506 through the guide groove 511 and the guide block 510, the displacement frame 507 pushes the anti-deviation plate A 508 and the anti-deviation plate B 509 to move in the horizontal direction, so as to realize the automatic clamping and limiting of the stacked bracket and the billboard through the anti-deviation plate A 508 and the anti-deviation plate B 509, prevent displacement during welding, and avoid manual intervention in the high-temperature welding area by automatic clamping, reducing the risk of scalding.

[0049] In Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 : Limited-position rods are arranged at both the front and rear ends of the rotating rod 506 inside the rotating table 303, and limited-position holes which form a sliding structure with the limited-position rods are symmetrically opened inside the displacement frame 507.

[0050] In the welding device for billboard processing, through the cooperation of the limited-position rod and the limited-position hole, the displacement frame 507 can be supported and limited, so that the displacement frame 507 only slides in the horizontal direction and is prevented from rotating following the rotating rod 506.

[0051] In Figure 2 and Figures 7 - 9 : And the anti-deviation plate B 509 is arranged in a V-shaped structure, and the anti-deviation plate A 508 is arranged in an L-shaped structure.

[0052] In the welding device for billboard processing, through the L-shaped structure of the anti-deviation plate A 508 and the V-shaped structure of the anti-deviation plate B 509, the accurate alignment of the welding positions of the bracket and the billboard can be realized while clamping and positioning, solving the problems of welding position deviation and high labor intensity caused by manual placement and manual support during welding, and improving the convenience and accuracy of welding operation.

[0053] In Figure 6 and Figure 9 : And the guide groove 511 includes an arc-shaped groove and annular grooves symmetrically arranged at both ends of the arc-shaped groove.

[0054] For the welding device for billboard processing, since the guiding groove 511 is composed of an arc groove and annular grooves symmetrically arranged at both ends of the arc groove, when the displacement frame 507 moves to a specified position and the rotating table 303 continues to drive the rotating rod 506 to rotate, the guiding block 510 can slide in the annular groove, so that the displacement frame 507 will not hinder the continuous rotation of the rotating table 303 and the rotating rod 506.

[0055] In Figure 2 and Figures 7 - 9 : Circular plates 512 are arranged at both ends of the surface of the rotating rod 506 located in the guiding groove 511, and telescopic springs 513 are arranged at one ends of the two circular plates 512 close to each other.

[0056] For the welding device for billboard processing, since telescopic springs 513 are arranged at one ends of the two circular plates 512 close to each other, when the rotating rod 506 changes from forward rotation to reverse rotation, the guiding block 510 inside the displacement frame 507 can be quickly moved into the guiding groove 511 under the action of the telescopic spring 513, so as to quickly move the displacement frame 507.

[0057] In Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 10 : A flipping mechanism 4 is arranged between the rotating table 303 and the workbench 1. The flipping mechanism 4 includes a guiding rod 401 welded to the top end of the workbench 1 and a flipping table 404 movably connected to the rotating table 303. The bottom end of the flipping table 404 is rotatably connected to a connecting plate 403 through a hinge seat. One end of the connecting plate 403 close to the guiding rod 401 is connected with a guiding sleeve 402, and the guiding sleeve 402 and the guiding rod 401 form a sliding structure. One side of the guiding rod 401 close to the conveyor belt 6 is arranged as a concave structure. A pin shaft 405 forming a rotating structure is connected between the flipping table 404 and the rotating table 303. A conveyor belt 6 is arranged on one side of the workbench 1, and the conveyor belt 6 is used to convey the welded billboard. The horizontal central axis of the conveyor belt 6 is located in front of the rotating column 302, so that the billboard can be prevented from falling to the ground.

[0058] For the welding device for billboard processing, when the rotating table 303 rotates, the flipping plate and the guide sleeve 402 rotate together. Since the connecting plate 403 and the guide rod 401 are slidably connected through the guide sleeve 402, and the side of the guide rod 401 close to the conveyor belt 6 is recessed towards the side close to the rotating column 302, during the process of the guide sleeve 402 gradually moving into the recessed part, the flipping plate can be deflected with the pin shaft 405 as the axis. Thus, the welded billboard can slide onto the conveyor belt 6 automatically without power drive, so as to cooperate with the conveyor belt 6 to achieve automatic blanking and conveying, which is time-saving and labor-saving, can completely eliminate manual contact, reduce the risk of scalding and improve the continuous operation ability. Moreover, the kinetic energy of the rotating table 303 is used to drive the flipping action, the mechanical transmission components have a lower failure rate than the electric push rod, and there is no need to add additional driving components, reducing energy consumption.

[0059] Please refer to Figures 1 - 10 , a welding method for billboard processing, includes the following steps:

[0060] S1. Place the billboard on the top of the flipping table 404, and then stack the brackets on the top of the billboard and initially align the welding positions;

[0061] S2. Drive the rotating table 303 to rotate at intervals through the rotating mechanism 3, so as to drive the stacked brackets and the billboard to move;

[0062] S3. Drive the anti-deviation mechanism 5 to operate through the rotating mechanism 3, so as to automatically align and clamp the brackets and the billboard to be welded;

[0063] S4. Send the billboard to the welding position through the rotating mechanism 3, and the operator welds the stacked billboard and the brackets through the welding mechanism 2;

[0064] S5. After a single welding is completed, make the rotating table 303 continue to rotate, send a new billboard to be welded, and release the clamping and positioning of the brackets and the billboard;

[0065] S6. Drive the flipping mechanism 4 to operate through the rotating mechanism 3, so that the welded billboard can slide onto the conveyor belt 6 automatically without power drive, and cooperate with the conveyor belt 6 to achieve automatic blanking and conveying.

[0066] Working principle: When using the welding device for billboard processing, first place the billboard on the top of the turning table 404, and then stack the brackets on the top of the billboard and initially align the welding positions. At this time, start the motor 301, so that the output end of the motor 301 drives the rotating column 302 and the rotating table 303 to rotate at intervals together, so that the billboard to be welded can be sent to the welding position. During this process, while the rotating table 303 drives the gear disk 503 to revolve, it rotates clockwise. Through the meshing action of the gear disk 503 and the external gear plate group 501, the support shaft 504, the bevel gear group 505 and the rotating rod 506 rotate synchronously. Through the sliding action of the displacement frame 507 and the rotating rod 506, the displacement frame 507 pushes the anti-deviation plate A 508 and the anti-deviation plate B 509 to move in the horizontal direction, so that the brackets and the billboard after stacking are automatically aligned and clamped through the anti-deviation plate A 508 and the anti-deviation plate B 509. When the billboard is sent to the welding position, the operator opens the welding control box 201 and holds the welding torch 203 to weld the stacked billboard and brackets. After a single welding is completed, the rotating table 303 continues to rotate and sends a new billboard to be welded, and at the same time moves the welded billboard away from the welding position. After the gear disk 503 meshes with the external gear plate group 501, the gear disk 503 rotates counterclockwise, so that the anti-deviation plate A 508 and the anti-deviation plate B 509 are separated from the brackets and the billboard, so as to release the clamping and positioning of the brackets and the billboard. During the process that the rotating table 303 continues to rotate and the guide sleeve 402 gradually moves into the concave part, the turning plate can be deflected downward with the pin shaft 405 as the axis, so that the welded billboard can slide down onto the conveyor belt 6 automatically without power drive, so as to realize automatic blanking and conveying in cooperation with the conveyor belt 6. During the process that the rotating table 303 continues to rotate and the guide sleeve 402 gradually moves out of the concave part, the turning plate can be deflected upward with the pin shaft 405 as the axis and reset, so as to place a new billboard to be welded;

[0067] The content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0068] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A welding device for billboard processing, including a workbench (1). A welding mechanism (2) is arranged at the front end of the workbench (1), and the welding mechanism (2) includes a welding control box (201) connected to the front end of the workbench (1). A welding torch (203) is hung at the front end of the welding control box (201), and a connecting wire (202) is connected between the welding control box (201) and the welding torch (203); It is characterized in that: A rotating mechanism (3) is arranged through the inside of the workbench (1). The rotating mechanism (3) includes a rotating table (303) movably connected to the workbench (1). An anti-deviation mechanism (5) is arranged through the inside of the rotating table (303). The anti-deviation mechanism (5) includes an external tooth plate group (501) and an internal tooth plate group (502) welded to the top end of the workbench (1) and a rotating rod (506) connected to the rotating table (303) through a bearing. The radius of the external tooth plate group (501) is greater than the radius of the internal tooth plate group (502). A displacement frame (507) is movably connected to the surface of the rotating rod (506). An anti-deviation plate B (509) and an anti-deviation plate A (508) are sequentially connected to one side of the displacement frame (507) from top to bottom. The anti-deviation plate B (509) is arranged in a V-shaped structure, and the anti-deviation plate A (508) is arranged in an L-shaped structure; A flipping mechanism (4) is arranged between the rotating table (303) and the workbench (1). The flipping mechanism (4) includes a guiding rod (401) welded to the top end of the workbench (1) and a flipping table (404) movably connected to the rotating table (303). A connecting plate (403) is rotatably connected to the bottom end of the flipping table (404) through a hinge seat. A conveyor belt (6) is arranged on one side of the workbench (1), and the conveyor belt (6) is used to convey the welded billboard.

2. The welding device for billboard processing according to claim 1, wherein: A motor (301) is installed at the middle position of the bottom end of the workbench (1). The output end of the motor (301) is connected to a rotating column (302) welded to the rotating table (303) through a coupling.

3. The welding device for billboard processing according to claim 2, wherein: Support rods (305) are welded to the bottom end of the rotating table (303) at equal angles. A support groove (304) forming a sliding structure with the support rods (305) is opened at the top end of the workbench (1).

4. A welding device for billboard processing according to claim 1, characterized in that: A support shaft (504) is rotatably connected to the inside of the bottom end of the rotating table (303) through a bearing, and the support shaft (504) is symmetrically arranged about the central axis of the flipping table (404). A bevel gear set (505) is connected between the support shaft (504) and the rotating rod (506).

5. The welding device for billboard processing according to claim 4, characterized in that: One end of the support shaft (504) far from the bevel gear set (505) is connected with a toothed disc (503) meshed and connected with the outer tooth plate set (501). The toothed discs (503) are symmetrically arranged about the central axis of the flipping table (404), and the two toothed discs (503) are arranged in an up-and-down staggered manner. The outer tooth plate set (501) is composed of two arc-shaped tooth plates one arranged in an up-and-down staggered manner, and the inner tooth plate set (502) is composed of two arc-shaped tooth plates two arranged in an up-and-down staggered manner. The outer tooth plate set (501) and the inner tooth plate set (502) are used to make the toothed disc (503) rotate forward and backward.

6. The welding device for billboard processing according to claim 1, characterized in that: A guide block (510) is arranged inside the displacement frame (507). A guide groove (511) which forms a sliding structure with the guide block (510) is arranged on the surface of the rotating rod (506), and the guide groove (511) includes an arc-shaped groove and annular grooves symmetrically arranged at both ends of the arc-shaped groove.

7. A welding device for billboard processing according to claim 1, characterized in that: Circular plates (512) are arranged at both ends of the guide groove (511) on the surface of the rotating rod (506). One ends of the two circular plates (512) close to each other are both provided with telescopic springs (513).

8. The welding device for billboard processing according to claim 1, characterized in that: One end of the connecting plate (403) close to the guide rod (401) is connected with a guide sleeve (402), and the guide sleeve (402) forms a sliding structure with the guide rod (401). One side of the guide rod (401) close to the conveyor belt (6) is arranged as a concave structure.

9. The welding device for billboard processing according to claim 8, characterized in that: A pin shaft (405) which forms a rotating structure is connected between the flipping table (404) and the rotating table (303).

10. A welding method for billboard processing, which applies the welding device for billboard processing according to claim 9, is characterized in that, Including the following steps: S1. Place the billboard on the top of the flipping table (404), and then stack the brackets on the top of the billboard and preliminarily align the welding positions. S2. Drive the rotating table (303) to rotate at intervals through the rotating mechanism (3) so as to drive the stacked brackets and the billboard to move. S3. Drive the anti-deviation mechanism (5) to operate through the rotating mechanism (3) so as to automatically align and clamp the brackets and the billboard to be welded. S4. Send the billboard to the welding position through the rotating mechanism (3), and the operator welds the stacked billboard and the brackets through the welding mechanism (2). S5. After a single welding is completed, make the rotating table (303) continue to rotate, send a new billboard to be welded, and release the clamping and positioning of the brackets and the billboard. S6. Drive the flipping mechanism (4) to operate through the rotating mechanism (3) so that the welded billboard slides onto the conveyor belt (6) automatically without power drive and cooperate with the conveyor belt (6) to realize automatic blanking and conveying.

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