Photovoltaic support automatic welding device and welding method thereof

Abstract

The invention relates to the technical field of bracket welding equipment, and discloses a photovoltaic bracket automatic welding device and a welding method thereof.The photovoltaic bracket automatic welding device comprises a workbench, a rotating disc is rotationally arranged at the top of the workbench and can rotate relative to the workbench, and a plurality of adjusting discs are arranged on the rotating disc; a positioning mechanism is arranged on the adjusting disc, a fixing seat is fixedly connected to the top face of the adjusting disc, and a limiting plate is fixedly connected to the top of the fixing seat. A first limiting block, a first adjusting plate, a fixing base, a second limiting block, a second adjusting plate and a limiting plate are matched with a positioning plate and a transmission structure to drive the first limiting block, the second adjusting plate and the limiting plate to be close to each other when the adjusting disc rotates to the welding station, so that a to-be-welded support is positioned and centered, the welding precision is improved, the feeding position is reserved, and the welding efficiency is improved. And feeding and welding can be synchronously carried out conveniently, and the welding machining efficiency of the photovoltaic support is further improved.

Description

Technical Field

[0001] This application relates to the technical field of bracket welding equipment, and particularly relates to a photovoltaic bracket automatic welding device and its welding method. Background Art

[0002] The photovoltaic bracket is the core support component of the solar photovoltaic power generation system. During the production and processing of the photovoltaic bracket, it is necessary to use a bracket welding device to weld the vertical plate and the bottom plate of the photovoltaic bracket. The bottom plate is a flat plate, and the cross-section of the vertical plate is in a U shape. After the vertical plate and the bottom plate are welded, they form the leg part of the photovoltaic bracket. The existing bracket welding device includes a welding robotic arm and a positioning mechanism. The positioning mechanism includes several electric push rods. The bottom plate placed on the workbench is centered and positioned through the electric push rods, and then the vertical plate is vertically placed at the center of the top surface of the bottom plate, and the welding is carried out in cooperation with the welding robotic arm.

[0003] However, during the use of the traditional bracket welding device, it is necessary for manual support of the vertical plate to cooperate with the welding robotic arm for welding, which is difficult to ensure that the vertical plate is perpendicular to the plane of the bottom plate, resulting in unequal joint widths at different positions and difficult to ensure the welding quality. Moreover, the feeding, discharging, positioning, and welding actions of the bracket are at the same station. When the bracket is fed and discharged, the welding robotic arm is in a standby state, resulting in a reduction in the welding efficiency of the bracket. Summary of the Invention

[0004] This application proposes a photovoltaic bracket automatic welding device and its welding method, which have the advantage of being able to perform pre-feeding and positioning during the welding process, so as to solve the problems that it is difficult to ensure the quality of the joint width and the processing efficiency is reduced when manually cooperating with the welding robotic arm to perform the bracket welding actions in sequence.

[0005] To achieve the above object, this application adopts the following technical solution: A photovoltaic bracket automatic welding device includes a workbench. A turntable is rotatably provided on the top of the workbench. The turntable can rotate relative to the workbench. A plurality of adjustment disks are provided on the turntable. A positioning mechanism is provided on the adjustment disk. A fixing seat is fixedly connected to the top surface of the adjustment disk. A limiting plate is fixedly connected to the top of the fixing seat. A rotating plate for supporting the bracket bottom plate is rotatably connected to the adjustment disk. An adjustment mechanism is provided on the workbench, and a welding robotic arm is fixedly provided on the top of the workbench.

[0006] The adjustment mechanism can drive the turntable to rotate and adjust the opening and closing states of the rotating plate relative to the adjustment disk according to the position of the adjustment disk. The positioning mechanism can adjust the clamping state of the bracket according to the position of the adjustment disk. When the position of the adjustment disk corresponds to the position of the welding robotic arm, the positioning mechanism clamps and positions the bracket. When the adjustment disk moves to the discharging position, the rotating plate rotates and opens.

[0007] Further, the positioning mechanism includes a first adjusting plate, two first limiting blocks are arranged on both sides of the top surface of the adjusting disc, a second adjusting plate is arranged on the top of the fixed seat, and two second limiting blocks are arranged on both sides of the top of the fixed seat.

[0008] Further, the adjusting mechanism includes a support ring which is used to support the bottom of the rotating plate to keep the top surface of the rotating plate horizontal. A guide plate is fixedly connected to the position near the top on one side of the workbench. One side of the guide plate is an inclined slope and the height of the top is equal to the height of the top surface of the support ring. The support ring is provided with a notch.

[0009] Further, a ring groove is formed in the top of the support ring, and a number of rolling balls are movably arranged inside the ring groove.

[0010] Further, the positioning mechanism further includes two first racks which are slidably sleeved with the corresponding fixed seats. The first adjusting plate is fixedly connected to the corresponding first rack. Two second racks are slidably connected to both sides of the adjusting disc. Two first gears are rotatably connected to both sides of the adjusting disc. The first rack and the second rack are meshed with the corresponding first gear respectively. A positioning plate is fixedly arranged on the top of the workbench. The second rack is fixedly connected to the corresponding first limiting block.

[0011] Further, one end of the first rack is fixedly connected with a connecting rod. Two third racks are fixedly connected to both sides of the second adjusting plate. The connecting rod is fixedly connected with the third rack. Two fourth racks are slidably connected to both sides of the fixed seat. Two second gears are fixedly connected to both sides of the fixed seat;

[0012] The second gear is meshed with the corresponding third rack and fourth rack respectively. One end of the two third racks is fixedly connected with a connecting plate. A reset spring is fixedly connected to the middle point on one side of the connecting plate. One end of the reset spring is fixedly connected with the fixed seat. The fourth rack is fixedly connected to the corresponding second limiting block.

[0013] Further, the number of the welding robotic arms is set to be several. The number of the positioning plates is set to correspond to the number of the welding robotic arms. A fixed gear ring coaxial with the rotating disc is arranged on the top of the workbench. The bottom of the adjusting disc is fixedly connected with an adjusting gear ring. The adjusting disc is rotatably connected with the rotating disc. The adjusting gear ring is meshed with the fixed gear ring. A number of the adjusting discs are arranged on the rotating disc at circular intervals and evenly. A number of the welding robotic arms are arranged at even intervals.

[0014] Further, a guiding seat is fixedly arranged on one side of the bottom of the workbench, a collecting box is fixedly arranged on one side of the bottom of the workbench, a fixed box is fixedly connected to one side of the top of the workbench, a through groove for the support bottom plate to pass through is formed on one side of the fixed box, an electric push rod is fixedly connected to one side of the fixed box, and a moving plate is fixedly connected to the output end of the electric push rod.

[0015] Further, a reduction gearbox is fixedly connected to the bottom of the workbench, the reduction gearbox is rotationally connected to the rotating disk, a driving motor is fixedly arranged on one side of the reduction gearbox, several support plates are fixedly connected to the top of the reduction gearbox, and both the support ring and the fixed gear ring are fixedly connected to the support plates.

[0016] 10. A welding method for a photovoltaic bracket, comprising the following steps:

[0017] S1: Place the support bottom plate and the support vertical plate in sequence inside the positioning mechanism;

[0018] S2: The rotating disk rotates by a rated angle, so that the adjusting disk rotates and moves to the next working station, and the adjusting disk corresponding to the bracket to be welded moves to a position corresponding to the welding robotic arm;

[0019] S3: The adjusting disk corresponding to the partially welded bracket moves to a position corresponding to the adjacent welding robotic arm, and the fixed gear ring drives the adjusting gear ring to rotate, switching the bracket joint to the position directly opposite the welding robotic arm;

[0020] S4: The positioning mechanisms corresponding to the adjusting disks respectively perform positioning and centering on the support bottom plate and the support vertical plate;

[0021] S5: The adjusting disk corresponding to the welded bracket moves to the notch of the support ring, the rotating plate rotates and opens, the bracket is unloaded, and the adjusting disk continues to rotate around the axis of the rotating disk to drive the rotating plate to contact the guiding plate, so that the rotating plate returns to the horizontal position until it moves to the loading station and waits for the next round of loading.

[0022] The beneficial effects of the present invention are as follows:

[0023] An automatic welding device for a photovoltaic bracket and its welding method provided by the present application drive the adjusting disk to rotate to a position corresponding to the welding station of the welding robotic arm through the rotating disk. The first adjusting plate and the second adjusting plate cooperate with the corresponding transmission structure to make the first limiting block and the second limiting block approach each other under the drive of the positioning plate, so as to perform positioning and centering on the support bottom plate and the support vertical plate. Thus, while facilitating loading, it is possible to complete welding of the bracket under the condition of positioning the bracket and simultaneously perform loading of the bracket to be welded, improve the welding processing efficiency while ensuring the welding quality, and utilize the cooperation between the support ring and the rotating plate. When the adjusting disk rotates to the unloading position, the rotating plate rotates and opens, and the workpiece is unloaded while the adjusting disk switches the working station, further improving the welding processing efficiency of the photovoltaic bracket. Brief Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings:

[0025] Figure 1 It is a schematic diagram of the overall structure of this application;

[0026] Figure 2 It is a schematic diagram of the structure at the support plate of this application;

[0027] Figure 3 It is a schematic diagram of the structure at the positioning plate of this application;

[0028] Figure 4 It is a partial cross-sectional schematic diagram of the structure at the rotating plate of this application;

[0029] Figure 5 It is a schematic diagram of the structure at the fixed seat of this application;

[0030] Figure 6 It is a schematic diagram of the structure at the support ring of this application;

[0031] Figure 7 It is a partial cross-sectional schematic diagram of the structure at the fixed box of this application.

[0032] In the figure: 1 - workbench, 2 - rotating disk, 3 - adjusting disk, 4 - fixed seat, 5 - first adjusting plate, 6 - limiting plate, 7 - second adjusting plate, 8 - welding robotic arm, 9 - first rack, 10 - second rack, 11 - first gear, 12 - third rack, 13 - fourth rack, 14 - second gear, 15 - connecting plate, 16 - return spring, 17 - positioning plate, 18 - rotating plate, 19 - support ring, 20 - annular groove, 21 - ball, 22 - support plate, 23 - fixed toothed ring, 24 - adjusting toothed ring, 25 - guide plate, 26 - connecting rod, 27 - first limiting block, 28 - second limiting block, 29 - through groove, 30 - guide seat, 31 - collection box, 32 - reduction box, 33 - drive motor, 34 - fixed box, 35 - moving plate, 36 - electric push rod, 37 - vertical support plate, 38 - bottom support plate. Detailed Description of the Invention

[0033] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0034] Embodiment 1 is as follows Figures 1-6 , a photovoltaic bracket automatic welding device, including a workbench 1, a bracket vertical plate 37 and a bracket bottom plate 38 forming a bracket. Refer to Figure 2 , the bottom of the workbench 1 is fixedly connected with a reduction gearbox 32. The top of the reduction gearbox 32 is rotatably connected with a rotating disk 2. The midpoint of the bottom of the rotating disk 2 is in transmission connection with the output shaft of the reduction gearbox 32. One side of the reduction gearbox 32 is fixedly provided with a driving motor 33. The output end of the driving motor 33 is in transmission connection with the input shaft of the reduction gearbox 32. The top surface of the rotating disk 2 is flush with the top surface of the workbench 1. A plurality of adjusting disks 3 are arranged on the outer side of the rotating disk 2, and the plurality of adjusting disks 3 are arranged on the rotating disk 2 at equal intervals in a ring shape. Refer to Figure 3 , the top surface of the adjusting disk 3 is fixedly connected with a fixed seat 4. A first adjusting plate 5 is arranged on the top of the adjusting disk 3. Two first limiting blocks 27 are arranged on both sides of the top surface of the adjusting disk 3. The bottom of the fixed seat 4, the first adjusting plate 5 and the first limiting blocks 27 enclose a rectangle for positioning the bracket bottom plate 38. A second adjusting plate 7 is arranged on the top of the fixed seat 4.

[0035] The top of the fixed seat 4 is fixedly connected with a limiting plate 6. Two second limiting blocks 28 are arranged on both sides of the top of the fixed seat 4. The limiting plate 6, the fixed seat 4 and the second limiting blocks 28 enclose a rectangle for positioning the bracket vertical plate 37. Refer to Figure 4 , the middle of the adjusting disk 3 is rotatably connected with a rotating plate 18. The height of the bottom surface of the rotating plate 18 is not higher than the height of the bottom surface of the adjusting disk 3. The top surface of the rotating plate 18 is flush with the top surface of the adjusting disk 3. The rotating plate 18 is used to support the bracket bottom plate 38. Refer to Figure 2 , a plurality of support plates 22 are fixedly connected to the top of the reduction gearbox 32, and the plurality of support plates 22 are arranged on the outer side of the support plates 22 at equal intervals in a ring shape. A support ring 19 is arranged at the top position of the workbench 1. The top surface of the support ring 19 is flush with the bottom surface of the rotating plate 18. The support ring 19 is used to support the bottom of the rotating plate 18 to keep the top surface of the rotating plate 18 in a horizontal state.

[0036] On one side of the bottom of the workbench 1, a guide seat 30 is fixedly arranged. On one side of the bottom of the workbench 1, a collection box 31 is fixedly arranged. The top surface of the guide seat 30 is an inclined plane, which is used to guide the welded workpieces into the collection box 31. At a position near the top on one side of the workbench 1, a guide plate 25 is fixedly connected. One side of the guide plate 25 is an inclined plane and the height of the top is equal to the height of the top surface of the support ring 19. It is used to drive the rotating plate 18 in the open state to the horizontal when the rotating plate 18 rotates relative to the guide plate 25. The contact surface between the rotating plate 18 and the guide plate 25 is the bottom surface of the rotating plate 18 in the horizontal state. Refer to Figure 6 , the support ring 19 is provided with a notch, and the position of the notch corresponds to the position of the guide seat 30. Both ends of the support ring 19 are respectively located on both sides of the guide seat 30. The top of the guide plate 25 is fixedly connected to the support ring 19. Refer to Figure 1 , on the top of the workbench 1, a welding robot arm 8 is fixedly arranged.

[0037] During use, place the bracket bottom plate 38 inside the first limit block 27, the first adjusting plate 5 and the fixed seat 4, and then place the bracket vertical plate 37 inside the second limit block 28, the second adjusting plate 7 and the limit plate 6 and on the top of the bracket bottom plate 38, so as to complete the limitation of the bracket bottom plate 38 and the bracket vertical plate 37, and make the relative positions of the bracket bottom plate 38 and the bracket vertical plate 37 and the adjusting disc 3 fixed. Drive the motor 33 to rotate, drive the rotating disc 2 to rotate through the speed reducer 32, and the rotating disc 2 drives the adjusting disc 3 to rotate, thereby driving the bracket bottom plate 38 and the bracket vertical plate 37 to rotate until the position of the adjusting disc 3 corresponds to the position of the welding robot arm 8. Weld the bracket vertical plate 37 and the bracket bottom plate 38 through the welding robot arm 8, so as to weld when the bracket vertical plate 37 is perpendicular to the bracket bottom plate 38, ensuring the welding quality.

[0038] During the welding process of the welding robot arm 8, the bracket vertical plate 37 and the bracket bottom plate 38 of the adjusting disc 3 outside the corresponding welding station of the welding robot arm 8 can be loaded, so that the next set of bracket components can be loaded during the welding process, improving the welding processing efficiency of the bracket. After the bracket is welded, at this time, the loading of the next set of bracket welding components is completed. The drive motor 33 cooperates with the speed reducer 32 and the rotating disc 2 to drive the adjusting disc 3 to rotate. The adjusting disc 3 drives the adjusting disc 3 corresponding to the bracket that has not been welded to rotate to the position of the welding robot arm 8 for the next round of welding. During this process, the adjusting disc 3 corresponding to the bracket that has been welded first rotates to the position corresponding to the collection box 31, that is, the notch of the support ring 19.

[0039] At this time, the rotating plate 18 disengages from the contact with the top surface of the support ring 19, and the rotating plate 18 rotates and opens under the action of gravity. The bracket at the top of the rotating plate 18 drops onto the inclined top surface of the guide seat 30 and then slides into the collection box 31, completing the blanking of the bracket. The rotating disk 2 continues to rotate, driving the adjusted disk 3 that has completed blanking to rotate. The adjusted disk 3 drives the rotating plate 18 to rotate around the axis of the rotating disk 2. After the rotating plate 18 moves away from the area corresponding to the guide seat 30, it contacts the guide plate 25. The rotating plate 18 moves relative to the guide plate 25, and the inclined slope of the guide plate 25 abuts against the bottom surface of the rotating plate 18, pushing the rotating plate 18 to rotate to the horizontal position until the adjusted disk 3 moves to the loading position. At this time, the bottom of the rotating plate 18 is supported by the support ring 19 again, so that the blanking of the welded bracket is synchronously completed during the process of moving the bracket to be welded to the welding position, further improving the efficiency of the bracket welding process.

[0040] Embodiment 2, as Figures 1-7 , on the basis of Embodiment 1, a ring groove 20 is formed at the top of the support ring 19. A number of balls 21 are movably arranged inside the ring groove 20. The support ring 19 is in rolling contact with the rotating plate 18 through the balls 21, reducing the friction between the support ring 19 and the rotating plate 18. One side of the top of the workbench 1 is fixedly connected with a fixed box 34. Refer to Figure 7 , the cross-section of the fixed box 34 is rectangular. The fixed box 34 is used for horizontally stacking the bracket bottom plates 38. A through groove 29 for the bracket bottom plates 38 to pass through is formed on one side of the fixed box 34. The height of the bottom surface of the inner wall of the fixed box 34 is adapted to the height of the top surface of the first adjusting plate 5. One side of the fixed box 34 is fixedly connected with an electric push rod 36. The output end of the electric push rod 36 is fixedly connected with a moving plate 35. The moving plate 35 is slidably sleeved with the fixed box 34. The thickness of the moving plate 35 is adapted to the thickness of a single bracket bottom plate 38. When the electric push rod 36 contracts, the moving plate 35 drives the single bracket bottom plate 38 at the bottom to slide out from the through groove 29 and fall onto the top of the first adjusting plate 5 and between the first adjusting plate 5 and the fixed seat 4, thus completing the automatic loading of the bracket bottom plates 38 and further improving the overall processing efficiency.

[0041] On both sides of the fixed seat 4, there are first racks 9 slidably sleeved. The two first racks 9 are symmetrically arranged with respect to the center line of the fixed seat 4. The first adjusting plate 5 is fixedly connected with the corresponding two first racks 9. On both sides of the adjusted disk 3, there are second racks 10 slidably connected. The second racks 10 are located at the bottom of the first racks 9 and are arranged perpendicular to the first racks 9. On both sides of the adjusted disk 3, there are first gears 11 rotatably connected. The first racks 9 and the second racks 10 are both meshed with the corresponding first gears 11. One end of the first rack 9 is fixedly connected with a connecting rod 26. On both sides of the second adjusting plate 7, there are third racks 12 fixedly connected.

[0042] The connecting rod 26 is fixedly connected to the third rack 12. The third rack 12 is arranged parallel to the first rack 9. The fourth rack 13 is slidably connected to both sides of the fixed seat 4. The fourth rack 13 is arranged parallel to the second rack 10. The second gear 14 is fixedly connected to both sides of the fixed seat 4. The second gear 14 meshes with the corresponding third rack 12 and fourth rack 13. One end of the two third racks 12 is fixedly connected to the connecting plate 15. A return spring 16 is fixedly connected to the middle point on one side of the connecting plate 15. One end of the return spring 16 is fixedly connected to the fixed seat 4. A positioning plate 17 corresponding to the welding robot arm 8 is fixedly arranged on the top of the workbench 1. The plate surface of the positioning plate 17 close to the turntable 2 is an arc surface. The second rack 10 is fixedly connected to the corresponding first limit block 27. The fourth rack 13 is fixedly connected to the corresponding second limit block 28.

[0043] When the support vertical plate 37 and the support bottom plate 38 are placed on the top of the adjustment disc 3, the return spring 16 is in an extended state, and the limit of the adjustment disc 3 on the support vertical plate 37 and the support bottom plate 38 is in a released state, which is convenient for loading the support. During the process of the adjustment disc 3 rotating around the axis of the turntable 2 to the position corresponding to the welding robot arm 8, the first adjustment plate 5 contacts the positioning plate 17. The arc surface of the positioning plate 17 abuts against the first adjustment plate 5, driving the first adjustment plate 5 to move closer to the fixed seat 4. The movement of the first adjustment plate 5 drives the first rack 9 to move. The first rack 9 drives the connecting rod 26 to move and drives the first gear 11 to rotate. The rotation of the first gear 11 drives the second rack 10 to move, thereby driving the first limit block 27 to move closer to the support bottom plate 38, reducing the rectangle formed by the first limit block 27, the first adjustment plate 5 and the fixed seat 4, and completing the positioning and centering of the support bottom plate 38. The movement of the connecting rod 26 drives the third rack 12 to move. The third rack 12 cooperates with the second gear 14 to drive the fourth rack 13 to move, and at the same time drives the second adjustment plate 7 to move closer to the support vertical plate 37.

[0044] The movement of the fourth rack 13 drives the second limit block 28 to move closer to the support vertical plate 37, reducing the rectangle formed by the second limit block 28, the second adjustment plate 7 and the limit plate 6, thereby completing the positioning and centering of the support vertical plate 37, and improving the positioning accuracy of the support. When the adjustment disc 3 drives the first adjustment plate 5 to disengage from the contact with the positioning plate 17, the return spring 16 extends and resets to drive the connecting plate 15 to move. The connecting plate 15 drives the third rack 12 to move, and further drives the first limit block 27, the second limit block 28, the first adjustment plate 5 and the second adjustment plate 7 to reset, releasing the positioning of the welded support. During the subsequent feeding process of the support, the frictional force of the clamping is prevented from affecting the falling of the support, so as to ensure the positioning and centering during welding while improving the feeding and discharging convenience, and further improving the welding quality of the support.

[0045] Embodiment 3, asFigures 1-6 , on the basis of the second embodiment, the number of welding manipulators 8 is set to several, preferably, the number of welding manipulators 8 is set to three, the number of positioning plates 17 is set to correspond to the number of welding manipulators 8, a fixed gear ring 23 coaxial with the rotating disk 2 is fixedly connected to the top of the support plate 22, an adjusting gear ring 24 is fixedly connected to the bottom of the adjusting disk 3, and the adjusting disk 3 is rotatably connected to the rotating disk 2. The adjusting gear ring 24 meshes with the fixed gear ring 23. A plurality of adjusting disks 3 are arranged on the rotating disk 2 at circular intervals and evenly. When the rotating disk 2 rotates a rated angle, the adjusting gear ring 24 rotates around the fixed gear ring 23, and the fixed gear ring 23 drives the adjusting gear ring 24 to rotate, and the adjusting gear ring 24 rotates a rated angle by itself. The three welding manipulators 8 are arranged at equal intervals. The distance from the outer plate body of the first adjusting plate 5 close to the adjusting disk 3 to the axis of the adjusting disk 3 is equal to the distance from the outer side of the second rack 10 close to the adjusting disk 3 to the axis of the adjusting disk 3. One side of the guiding plate 25 is arc-shaped. During the rotation of the adjusting disk 3, the guiding plate 25 is always in contact with the bottom surface of the rotating plate 18.

[0046] When the adjusting disk 3 rotates from one welding manipulator 8 to the position area corresponding to the adjacent welding manipulator 8, the adjusting disk 3 rotates 90 degrees, switches the seam facing the welding manipulator 8, and at the same time, the three positioning plates 17 are respectively in contact with the corresponding first adjusting plate 5 and the two second racks 10 to limit the bracket. At this time, the welding manipulator 8 only needs to perform straight-line welding operations, thereby reducing the requirements for the rotational freedom of the welding manipulator 8, and can weld three brackets at the same time, reducing equipment costs while improving processing efficiency.

[0047] A welding method for a photovoltaic bracket includes the following steps:

[0048] S1: The electric push rod 36 contracts and cooperates with the moving plate 35 to push the bracket bottom plate 38 out of the through groove 29. The bracket bottom plate 38 is sent into the inner sides of the first limit block 27, the first adjusting plate 5 and the fixed seat 4, and the bracket vertical plate 37 is placed into the inner sides of the second limit block 28, the second adjusting plate 7 and the limit plate 6;

[0049] S2: The driving motor 33 cooperates with the reduction gearbox 32 to drive the rotating disk 2 to rotate a rated angle, so that the adjusting disk 3 rotates and moves to the next working station, and the adjusting disk 3 corresponding to the bracket to be welded moves to the position corresponding to the welding manipulator 8;

[0050] S3: The adjusting disk 3 corresponding to the partially welded bracket moves to the position corresponding to the adjacent welding manipulator 8, and the fixed gear ring 23 drives the adjusting gear ring 24 to rotate, switching the bracket seam to the front of the welding manipulator 8;

[0051] S4: The first adjusting plates 5 and the second rack bars 10 corresponding to different adjusting disks 3 are respectively in contact with the corresponding positioning plates 17, and drive the cooperation of the first limiting blocks 27, the first adjusting plates 5 and the fixed seats 4 with the second limiting blocks 28, the second adjusting plates 7 and the limiting plates 6 to respectively position and center the support bottom plate 38 and the support vertical plate 37;

[0052] S5: The adjusting disk 3 corresponding to the completed welded support moves to the notch of the support ring 19, the rotating plate 18 rotates and opens to unload the support, and the adjusting disk 3 continues to rotate around the axis of the rotating disk 2 to drive the rotating plate 18 to contact the guiding plate 25, so that the rotating plate 18 returns to the horizontal position until it moves to the loading station and waits for the next round of loading.

[0053] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic welding device for a photovoltaic support, comprising a workbench (1), characterized in that, A rotating disk (2) is rotatably arranged on the top of the workbench (1). The rotating disk (2) can rotate relative to the workbench (1). A plurality of adjusting disks (3) are arranged on the rotating disk (2). A positioning mechanism is arranged on the adjusting disk (3). A fixed seat (4) is fixedly connected to the top surface of the adjusting disk (3). A limiting plate (6) is fixedly connected to the top of the fixed seat (4). The adjusting disk (3) is rotatably connected to a rotating plate (18) for supporting the bracket bottom plate (38). An adjusting mechanism is arranged on the workbench (1). A welding robot arm (8) is fixedly arranged on the top of the workbench (1); The adjusting mechanism can drive the rotating disk (2) to rotate and adjust the opening and closing states of the rotating plate (18) relative to the adjusting disk (3) according to the position of the adjusting disk (3). The positioning mechanism can adjust the clamping state of the bracket according to the position of the adjusting disk (3). When the position of the adjusting disk (3) corresponds to the position of the welding robot arm (8), the positioning mechanism clamps and positions the bracket. When the adjusting disk (3) moves to the blanking position, the rotating plate (18) rotates and opens.

2. The automatic welding device for a photovoltaic support according to claim 1, characterized in that, The positioning mechanism includes a first adjusting plate (5). First limiting blocks (27) are arranged on both sides of the top surface of the adjusting disk (3). A second adjusting plate (7) is arranged on the top of the fixed seat (4). Second limiting blocks (28) are arranged on both sides of the top of the fixed seat (4).

3. The automatic welding device for a photovoltaic support according to claim 2, wherein, The adjusting mechanism includes a support ring (19). The support ring (19) is used to support the bottom of the rotating plate (18) so that the top surface of the rotating plate (18) remains horizontal. A guide plate (25) is fixedly connected to a position near the top on one side of the workbench (1). One side of the guide plate (25) is an inclined slope and the height of the top is equal to the height of the top surface of the support ring (19). The support ring (19) is provided with a notch.

4. The automatic welding device for a photovoltaic support according to claim 3, characterized in that, A ring groove (20) is formed in the top of the support ring (19). A plurality of balls (21) are movably arranged inside the ring groove (20).

5. The automatic welding device for a photovoltaic bracket according to claim 2, characterized in that, The positioning mechanism further includes two first racks (9). The first racks (9) are slidably sleeved with the corresponding fixed seats (4). The first adjusting plate (5) is fixedly connected to the corresponding first rack (9). Second racks (10) are slidably connected to both sides of the adjusting disk (3). First gears (11) are rotatably connected to both sides of the adjusting disk (3). The first racks (9) and the second racks (10) are meshed with the corresponding first gears (11). A positioning plate (17) is fixedly arranged on the top of the workbench (1). The second rack (10) is fixedly connected to the corresponding first limiting block (27).

6. The automatic welding device for a photovoltaic support according to claim 5, wherein, One end of the first rack (9) is fixedly connected to a connecting rod (26). Third racks (12) are fixedly connected to both sides of the second adjusting plate (7). The connecting rod (26) is fixedly connected to the third racks (12). Fourth racks (13) are slidably connected to both sides of the fixed seat (4). Second gears (14) are fixedly connected to both sides of the fixed seat (4); The second gear (14) meshes with the corresponding third rack (12) and fourth rack (13). One end of each of the two third racks (12) is fixedly connected to a connecting plate (15). A reset spring (16) is fixedly connected to the middle point on one side of the connecting plate (15). One end of the reset spring (16) is fixedly connected to the fixed seat (4). The fourth rack (13) is fixedly connected to the corresponding second limit block (28).

7. An automatic welding device for a photovoltaic bracket according to claim 5, characterized in that, The number of the welding robotic arms (8) is set to several. The number of the positioning plates (17) is set to correspond to the number of the welding robotic arms (8). A fixed gear ring (23) coaxial with the rotating disk (2) is arranged on the top of the workbench (1). An adjusting gear ring (24) is fixedly connected to the bottom of the adjusting disk (3). The adjusting disk (3) is rotatably connected to the rotating disk (2). The adjusting gear ring (24) meshes with the fixed gear ring (23). Several adjusting disks (3) are arranged on the rotating disk (2) at circular intervals evenly. The intervals of the several welding robotic arms (8) are arranged evenly.

8. The automatic welding device for a photovoltaic support according to claim 1, characterized in that, A guide seat (30) is fixedly arranged on one side of the bottom of the workbench (1). A collection box (31) is fixedly arranged on one side of the bottom of the workbench (1). A fixed box (34) is fixedly connected to one side of the top of the workbench (1). A through groove (29) for the support bottom plate (38) to pass through is formed on one side of the fixed box (34). An electric push rod (36) is fixedly connected to one side of the fixed box (34). The output end of the electric push rod (36) is fixedly connected to a moving plate (35).

9. The automatic welding device for a photovoltaic bracket according to claim 7, wherein A speed reducer box (32) is fixedly connected to the bottom of the workbench (1). The speed reducer box (32) is rotatably connected to the rotating disk (2). A driving motor (33) is fixedly arranged on one side of the speed reducer box (32). Several support plates (22) are fixedly connected to the top of the speed reducer box (32). Both the support ring (19) and the fixed gear ring (23) are fixedly connected to the support plates (22).

10. A welding method for a photovoltaic support frame, which uses the automatic welding device for a photovoltaic support frame as described in claim 7 to weld the photovoltaic support frame, characterized in that, It includes the following steps: S1: Place the support bottom plate (38) and the support vertical plate (37) into the inner side of the positioning mechanism in sequence; S2: The rotating disk (2) rotates by a rated angle, so that the adjusting disk (3) rotates and moves to the next working station until the adjusting disk (3) corresponding to the bracket to be welded moves to a position corresponding to the welding robotic arm (8); S3: The adjusting disk (3) corresponding to the partially welded bracket moves to a position corresponding to the adjacent welding robotic arm (8), and the fixed gear ring (23) drives the adjusting gear ring (24) to rotate, switching the bracket joint to the front of the welding robotic arm (8); S4: The positioning mechanisms corresponding to the adjusting disk (3) respectively position and center the support bottom plate (38) and the support vertical plate (37); S5: Move the adjustment disk (3) corresponding to the welded bracket to the notch of the support ring (19), rotate the rotating plate (18) to open, unload the bracket, and continue to rotate the adjustment disk (3) around the axis of the rotating disk (2) to drive the rotating plate (18) to contact the guide plate (25), so that the rotating plate (18) returns to the horizontal position until it moves to the loading station for the next round of loading.

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