Photovoltaic circuit board frame welding device

Abstract

The invention discloses a photovoltaic circuit board frame welding device. Relates to the technical field of frame welding tools and comprises a base, working boxes are installed on the two sides of the top face of the base, jacking transmission assemblies are arranged in the working boxes, a rotating positioning assembly is arranged between the two working boxes, a clamping assembly is arranged at the upper end of the rotating positioning assembly, and an adsorption assembly is arranged at the lower end of the rotating positioning assembly. Through the cooperation of the adjusting lead screw and the connecting base, the bearing table can conveniently stretch out and retract, so that a plate can be conveniently mounted and positioned, and the mounting convenience is improved; through cooperation of a worm gear and a worm, rotation of the rotating plate is facilitated, and therefore the welding efficiency of the plates is improved; through cooperation of the fan and the bearing plate, waste gas generated by welding can be absorbed conveniently, temperature cooling at the welding position is accelerated, and therefore cooling is facilitated; through cooperation of the connecting pipe and the water tank, waste gas can be conveniently filtered and prevented from being sucked into the human body to damage the human body.

Description

Technical Field

[0001] The invention relates to the technical field of frame welding tools, and in particular to a photovoltaic circuit board frame welding device. Background Art

[0002] In photovoltaic power generation systems, the photovoltaic circuit board frame plays a key role. On the physical level, it provides structural support for photovoltaic modules, ensuring that internal components such as cells and electrodes are arranged in an orderly manner, so that the modules form a stable whole. At the same time, it can withstand external forces during installation and use, such as wind and impact. It can also resist environmental erosion such as dust, rain, and sand, extending the service life of the modules. In terms of electrical performance, the frame is made of insulating material to separate the conductive part from the outside world to prevent electrical short circuits; its grounding structure can introduce static electricity or fault current generated during the operation of the component into the ground to ensure system safety; in addition, some frames have good thermal conductivity and can conduct the heat generated by the battery cells to avoid reducing the photoelectric conversion efficiency due to excessive temperature and maintain efficient operation of the component; the existing photovoltaic circuit board frame welding is done manually, firstly the plates of the welding frame are butted together to form a frame, and then the workers weld them first, and then wait for the frame welding to cool down; during the welding process, the welding quality depends on the workers' technical level and experience, the quality stability is poor, and it is difficult to meet the needs of large-scale production; and when the plates are butted together, it is difficult to ensure whether the plates are perpendicular to each other, which affects the welding effect; therefore, improvements need to be made based on the above problems. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a photovoltaic circuit board frame welding device.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a photovoltaic circuit board frame welding device, comprising a base, working boxes are installed on both sides of the top surface of the base, a jacking transmission assembly is provided inside the working box, a rotation positioning assembly is provided between the two working boxes, a clamping assembly is provided at the upper end of the rotation positioning assembly, and an adsorption assembly is provided at the lower end of the rotation positioning assembly, and a base is installed in the middle of the rear end of the top surface of the base, a rotating table is installed on the top surface of the base, a mechanical arm is rotatably connected to the top surface of the rotating table, a welding gun is installed on the upper end of the mechanical arm, and a water tank is provided on one side of the base, and the water tank is installed on the top surface of the base.

[0005] Preferably, the jacking transmission assembly includes a jacking cylinder arranged at the front and rear ends of the working box, a jacking plate is horizontally arranged inside the working box, a slide is vertically opened in the middle and rear ends of the adjacent surfaces of the two working boxes, the output shafts of the two jacking cylinders on the same side are connected to the jacking plate, a U-shaped plate is installed in the middle of the adjacent ends of the two jacking plates, the adjacent ends of the two U-shaped plates pass through the slide and are installed with a slide rail, a servo motor is installed at the rear end of the top surface of the jacking plate, the output wheel of the servo motor is sleeved with a belt, the other end of the belt passes through the slide, and the other end of the belt is sleeved with a transmission wheel, an adjusting screw is rotatably connected inside the slide rail, and the rear end of the adjusting screw passes through the slide rail and is connected to the transmission wheel.

[0006] Preferably, connecting seats are longitudinally provided on both sides of the upper end of the base, the connecting seats are placed in the slide rails, and the connecting seats are threadedly connected to the adjusting screw rods, and a supporting platform is horizontally provided on the upper end of the base, and the two sides of the supporting platform are fixedly connected to the connecting seats, and a plurality of equidistant mounting openings are opened on both sides of the inside of the supporting platform, and a fan is fixedly connected in the mounting opening.

[0007] Preferably, the rotation positioning assembly includes a turntable arranged between the two working boxes, the turntable is placed inside the supporting platform for rotation connection, and a worm wheel is fixedly connected to the outside of the turntable, a worm is provided on one side of the worm wheel, and the worm wheel and the worm are meshed for transmission, the worm is longitudinally rotationally connected inside the supporting platform, and a driven gear is fixedly connected to the front end of the worm, and a driving gear is meshed for transmission on the other side of the driven gear, a rotating shaft is fixedly connected to the front end of the driving gear, the front end of the rotating shaft passes through the supporting platform, and a first hand wheel is fixedly connected to the front end surface of the rotating shaft.

[0008] Preferably, the clamping assembly includes a rotating plate installed on the top surface of the turntable, slots are opened on both sides of the top surface of the rotating plate, filters are installed in the slots, and a first guide rail is longitudinally installed in the middle of the top surface of the rotating plate, a bidirectional screw rod is rotatably connected inside the first guide rail, the front end of the bidirectional screw rod passes through the first guide rail and is connected to a second hand wheel, and a moving seat is slidably connected to the front and rear ends of the first guide rail, the moving seat is threadedly connected to the bidirectional screw rod, and an L-shaped plate is installed on the top surface of the moving seat, and a pressure plate is horizontally provided at the upper end of the L-shaped plate.

[0009] Preferably, a guide opening is opened in the middle of the top surface of the L-shaped plate, and the two pressure plates are placed in the guide opening at their far ends. The two L-shaped plates are rotatably connected with a positioning screw rod, the upper end of the positioning screw rod is threadedly connected to the pressure plate, and a rocker is fixedly connected to the top surface of the positioning screw rod.

[0010] Preferably, a second guide rail is transversely provided on both sides of the middle part of the first guide rail, the second guide rail is installed on the top surface of the rotating plate, and a guide rod is transversely fixed inside the second guide rail, an L-shaped clamp is sleeved on the outer side of the guide rod, the upper end of the L-shaped clamp is placed on the outer side of the second guide rail, and springs are provided at the far ends of the two L-shaped clamps, the spring is sleeved on the guide rod, and one end of the spring is fixed to the lower end of the L-shaped clamp, and the other end is fixed to the inner wall of the second guide rail.

[0011] Preferably, the adsorption assembly includes a shell installed on the bottom surface of the support platform, an air guide port is opened in the middle of the bottom surface of the shell, a connecting pipe is installed in the air guide port, the other end of the connecting pipe is connected to an air suction pump, the air suction pump is installed on one side of the top surface of the base, and the air outlet of the air suction pump is connected to the water tank.

[0012] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention facilitates the extension and retraction of the support platform by adjusting the cooperation between the screw rod and the connecting seat, thereby facilitating the installation and positioning of the plate and improving the convenience of installation; the cooperation between the worm wheel and the worm facilitates the rotation of the rotating plate, thereby improving the welding efficiency of the plate; the cooperation between the lifting cylinder and the rotating table facilitates the adjustment of the corresponding height of the plate according to the size of the welding frame required, thereby improving the welding efficiency and welding effect; 2. Through the cooperation of the fan and the supporting plate, it is convenient to absorb the exhaust gas generated by welding and accelerate the temperature cooling of the welding point, thereby facilitating cooling; through the cooperation of the suction pump and the shell, it is convenient to strengthen the suction force and improve the cooling efficiency and cooling effect; through the cooperation of the connecting pipe and the water tank, it is convenient to filter the exhaust gas to avoid harm to the human body caused by inhalation; through the cooperation of the L-shaped splint and the L-shaped plate, it is convenient for the plates to abut against each other, thereby improving the splicing efficiency and thus improving the welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall rear-view stereoscopic structure of the present invention; Figure 3 It is a schematic diagram of the overall cross-sectional three-dimensional structure of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the jacking transmission assembly of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping assembly of the present invention; Figure 6It is a schematic diagram of the internal three-dimensional structure of the supporting platform of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the connection between the rotation positioning assembly and the clamping assembly of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the adsorption component of the present invention; Fig. 9 For the present invention Figure 3 A schematic diagram of the enlarged structure of the middle A part; Fig.10 For the present invention Figure 5 A schematic diagram of the structure of the middle B part; The serial numbers in the figure are: 1, base; 2, working box; 3, water tank; 4, base; 5, rotating table; 6, mechanical arm; 7, welding gun; 8, lifting cylinder; 9, lifting plate; 10, U-shaped plate; 11, slide rail; 12, servo motor; 13, belt; 14, transmission wheel; 15, adjusting screw rod; 16, connecting seat; 17, supporting table; 18, fan; 19, rotating table; 20, worm wheel; 21, worm; 22, driven gear ; 23. Driving gear; 24. Rotating shaft; 25. First hand wheel; 26. Rotating plate; 27. Filter; 28. First guide rail; 29. ​​Second guide rail; 30. Bidirectional screw; 31. Second hand wheel; 32. Moving seat; 33. L-shaped plate; 34. Pressing plate; 35. Positioning screw; 36. Rocker; 37. Guide rod; 38. Spring; 39. Housing; 40. Connecting pipe; 41. Suction pump; 42. L-shaped clamp. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0015] Example 1: See Figure 1-10A photovoltaic circuit board frame welding device in the present invention comprises a base 1, working boxes 2 are installed on both sides of the top surface of the base 1, a lifting transmission assembly is arranged inside the working box 2, a rotating positioning assembly is arranged between the two working boxes 2, a clamping assembly is arranged on the upper end of the rotating positioning assembly, and an adsorption assembly is arranged at the lower end of the rotating positioning assembly, and a base 4 is installed in the middle of the rear end of the top surface of the base 1, a rotating table 5 is installed on the top surface of the base 4, a mechanical arm 6 is rotatably connected to the top surface of the rotating table 5, a welding gun 7 is installed on the upper end of the mechanical arm 6, and a water tank 3 is arranged on one side of the base 4, and the water tank 3 is installed on the top surface of the base 1; the working box 2 and the mechanical arm 6 are conveniently installed through the base 1; the lifting cylinder 8 is conveniently installed through the working box 2; the rotating table 5 is conveniently installed through the base 4; the mechanical arm 6 is conveniently controlled to rotate through the rotating table 5; the welding gun 7 is conveniently controlled to move the welding frame through the mechanical arm 6; the lifting transmission assembly comprises a lifting cylinder 8 arranged at the front and rear ends of the working box 2, a lifting plate 9 is horizontally arranged inside the working box 2, and the middle of the adjacent surfaces of the two working boxes 2 are conveniently connected. A sliding opening is vertically opened at the rear end, the output shafts of the two lifting cylinders 8 on the same side are connected to the lifting plate 9, a U-shaped plate 10 is installed in the middle of the proximal ends of the two lifting plates 9, the proximal ends of the two U-shaped plates 10 pass through the sliding opening and are installed with a slide rail 11, a servo motor 12 is installed at the rear end of the top surface of the lifting plate 9, the output wheel of the servo motor 12 is sleeved with a belt 13, the other end of the belt 13 passes through the sliding opening, and the other end of the belt 13 is sleeved with a transmission wheel 14, the slide rail 11 is internally rotatably connected with an adjusting screw rod 15, and the adjusting screw rod 11 The rear end penetrates the slide rail 11 and is connected to the transmission wheel 14; the lifting cylinder 8 is used to control the lifting plate 9 to rise and fall; the lifting plate 9 is used to install the U-shaped plate 10; the U-shaped plate 10 is used to connect the slide rail 11; the slide rail 11 is used to guide the connection seat 16; the servo motor 12 is used to control the belt 13 to rotate; the belt 13 is used to control the transmission wheel 14 to rotate; the transmission wheel 14 is used to control the adjustment screw 15 to rotate; the connection seat 16 is controlled to move by the adjustment screw 15.

[0016] Embodiment 2: The technical solution is basically the same as that of Embodiment 1, except that Figure 5 , Figure 6 , Figure 7As shown, connecting seats 16 are longitudinally provided on both sides of the upper end of the base 1, the connecting seats 16 are placed in the slide rails 11, and the connecting seats 16 are threadedly connected to the adjusting screw rod 15, and a supporting platform 17 is horizontally provided on the upper end of the base 1, and the two sides of the supporting platform 17 are fixedly connected to the connecting seats 16, and a plurality of equidistant mounting openings are opened on both sides of the inner part of the supporting platform 17, and a fan 18 is fixedly connected in the mounting opening; the supporting platform 17 is conveniently installed through the connecting seat 16; the rotating positioning component and the adsorption component are conveniently installed through the supporting platform 17; the fume generated during welding is conveniently adsorbed through the fan 18, and the welding point is also conveniently cooled down quickly; the rotating positioning component The position assembly includes a turntable 19 arranged between the two working boxes 2, the turntable 19 is placed inside the supporting platform 17 for rotation connection, and a worm wheel 20 is fixedly connected to the outside of the turntable 19, a worm 21 is provided on one side of the worm wheel 20, and the worm wheel 20 and the worm 21 are meshed for transmission, the worm 21 is longitudinally rotatably connected to the inside of the supporting platform 17, and a driven gear 22 is fixedly connected to the front end of the worm 21, and a driving gear 23 is meshed for transmission on the other side of the driven gear 22, and a rotating shaft 24 is fixedly connected to the front end of the driving gear 23, and the front end of the rotating shaft 24 passes through the supporting platform 17, and a first hand wheel 25 is fixedly connected to the front end surface of the rotating shaft 24; through the turntable 19 The rotating plate 26 is convenient for installing; the worm wheel 20 is convenient for controlling the rotation of the turntable 19; the worm 21 is convenient for controlling the rotation of the worm wheel 20; the driven gear 22 is convenient for controlling the rotation of the worm 21; the driven gear 23 is convenient for controlling the rotation of the driven gear 22; the first hand wheel 25 is convenient for controlling the rotation of the driving gear 23; the clamping assembly includes a rotating plate 26 installed on the top surface of the turntable 19, and slots are opened on both sides of the top surface of the rotating plate 26. A filter screen 27 is installed in the slot, and a first guide rail 28 is longitudinally installed in the middle of the top surface of the rotating plate 26, and a bidirectional screw rod 3 is rotatably connected inside the first guide rail 28. 0, the front end of the bidirectional screw rod 30 passes through the first guide rail 28 and is connected to the second hand wheel 31, and the front and rear ends of the first guide rail 28 are slidably connected to the moving seat 32, the moving seat 32 is threadedly connected to the bidirectional screw rod 30, and an L-shaped plate 33 is installed on the top surface of the moving seat 32, and a pressure plate 34 is horizontally arranged on the upper end of the L-shaped plate 33; the first guide rail 28 and the second guide rail 29 are conveniently installed through the rotating plate 26; the first guide rail 28 is convenient to provide a moving guide for the moving seat 32; the bidirectional screw rod 30 is convenient to control the relative movement of the moving seats 32 at both ends; the L-shaped plate 33 and the pressure plate 34 are convenient to clamp the frame.

[0017] Embodiment 3: The technical solution is basically the same as that of Embodiment 1, except that Figure 8 , Fig. 9 , Fig.10As shown, a guide opening is provided in the middle of the top surface of the L-shaped plate 33, and the two pressure plates 34 are placed in the guide opening at their far ends. The two L-shaped plates 33 are rotatably connected with a positioning screw 35 at their far ends. The upper end of the positioning screw 35 is threadedly connected to the pressure plate 34, and a rocker 36 is fixedly connected to the top surface of the positioning screw 35; the positioning screw 35 is convenient for controlling the lifting of the pressure plate 34; the rocker 36 is convenient for controlling the rotation of the positioning screw 35; second guide rails 29 are transversely provided on both sides of the middle of the first guide rail 28, the second guide rail 29 is installed on the top surface of the rotating plate 26, and a guide rod 37 is transversely fixed inside the second guide rail 29, and an L-shaped clamping plate 42 is sleeved on the outer side of the guide rod 37, and the upper end of the L-shaped clamping plate 42 is placed on the outer side of the second guide rail 29, and a spring 38 is provided at the far end of the two L-shaped clamping plates 42, and the spring 38 is sleeved on the guide rod 3 7, and one end of the spring 38 is fixedly connected to the lower end of the L-shaped clamp 42, and the other end is fixedly connected to the inner wall of the second guide rail 29; the second guide rail 29 is used to provide a moving guide for the L-shaped clamp 42; the guide rod 37 is used to position the L-shaped clamp 42; the spring 38 is used to clamp the frame of the L-shaped clamps 42 at both ends; the adsorption component includes a shell 39 installed on the bottom surface of the support platform 17, an air guide port is opened in the middle of the bottom surface of the shell 39, and a connecting pipe 40 is installed at the air guide port. The other end of the connecting pipe 40 is connected to an air pump 41, and the air pump 41 is installed on one side of the top surface of the base 1, and the air outlet of the air pump 41 is connected to the water tank 3; the shell 39 is used to collect exhaust gas; the connecting pipe 40 is used to guide exhaust gas; the air pump 41 is used to increase the suction force; and the water tank 3 is used to filter exhaust gas.

[0018] Working principle: In this embodiment, the present invention also proposes a method for using a photovoltaic circuit board frame welding device, comprising the following steps: Step 1: First, connect all electrical devices to the wires and power on, start the servo motor 12, control the belt 13 through the servo motor 12, and then control the transmission wheel 14 to rotate through the belt 13, thereby controlling the adjustment screw 15 to rotate, and place it in the slide rail 11 through the connecting seat 16, and then connect the connecting seat 16 with the adjustment screw 15 through the threaded connection. When the adjustment screw 15 rotates, the connecting seat 16 is controlled to move in the slide rail 11, and then the supporting platform 17 is controlled to move, thereby controlling the clamping assembly to move forward; Step 2: Place the plate to be welded on the L-shaped plate 33 and the L-shaped clamping plate 42, and then rotate the rocker 36 to control the rotation of the positioning screw 35, and then control the pressure plate 34 to clamp the horizontal plate, and then rotate the second hand wheel 31 to control the rotation of the bidirectional screw 30, and then control the relative movement of the moving seat 32, and then push the longitudinal plate inward through the springs 38 on both sides. When the plates at the four ends abut against each other to form a frame, stop rotating the second hand wheel 31, and then control the servo motor 12 to rotate in the opposite direction, and then control the support platform 17 to move backward; Step three, start the lifting cylinder 8, the mechanical arm 6, the fan 18 and the suction pump 41, control the lifting plate 9 to rise and fall through the lifting cylinder 8, and then control the lifting of the supporting platform 17. When the supporting platform 17 rises to a certain position, stop the lifting cylinder 8, and then control the welding gun 7 through the mechanical arm 6 to weld the abutment between the transverse and longitudinal plates, and absorb the smoke generated by welding through the fan 18, so that the smoke is discharged into the shell 39, and then the exhaust gas absorbed at the connection of the shell 39 is discharged into the connecting pipe 40 through the connecting pipe 40 and the suction pump 41, and then the exhaust gas is introduced into the water tank 3 by the suction pump 41, and the exhaust gas is filtered by the water tank 3; Step 4. After the welding of the welding points on both sides of the rear end is completed, the welding points on both sides of the front end need to be rotated to the rear end for welding. The first hand wheel 25 is rotated to control the rotation of the driving gear 23. The driving gear 23 and the driven gear 22 are meshed and transmitted to control the rotation of the driven gear 22, thereby controlling the rotation of the worm 21. The worm 21 and the worm wheel 20 are meshed and transmitted to control the rotation of the worm wheel 20, thereby controlling the rotation of the turntable 19, thereby controlling the rotation of the rotating plate 26, and then rotating the welding points on both sides of the front end to the rear end, and then starting the robot arm 6 to weld the unwelded points; when the welding is completed, remove the frame and then cut off the power to all electrical equipment.

[0019] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A photovoltaic circuit board frame welding device, comprising a base (1), characterized in that: Working boxes (2) are installed on both sides of the top surface of the base (1), a lifting transmission assembly is provided inside the working box (2), a rotating positioning assembly is provided between the two working boxes (2), a clamping assembly is provided at the upper end of the rotating positioning assembly, and an adsorption assembly is provided at the lower end of the rotating positioning assembly, and a base (4) is installed in the middle of the rear end of the top surface of the base (1), a rotating table (5) is installed on the top surface of the base (4), a mechanical arm (6) is rotatably connected to the top surface of the rotating table (5), a welding gun (7) is installed at the upper end of the mechanical arm (6), and a water tank (3) is provided on one side of the base (4), and the water tank (3) is installed on the top surface of the base (1).

2. A photovoltaic circuit board frame welding device according to claim 1, characterized in that: The lifting transmission assembly comprises a lifting cylinder (8) arranged at the front and rear ends of the working box (2); a lifting plate (9) is horizontally arranged inside the working box (2); a sliding opening is vertically opened in the middle and rear ends of the adjacent surfaces of the two working boxes (2); the output shafts of the two lifting cylinders (8) on the same side are connected to the lifting plate (9); a U-shaped plate (10) is installed in the middle of the adjacent ends of the two lifting plates (9); the adjacent ends of the two U-shaped plates (10) pass through the sliding opening and are installed with a slide rail (11); a servo motor (12) is installed at the rear end of the top surface of the lifting plate (9); the output wheel of the servo motor (12) is sleeved with a belt (13); the other end of the belt (13) passes through the sliding opening, and the other end of the belt (13) is sleeved with a transmission wheel (14); an adjusting screw rod (15) is rotatably connected inside the slide rail (11); the rear end of the adjusting screw rod (15) passes through the slide rail (11) and is connected to the transmission wheel (14).

3. A photovoltaic circuit board frame welding device according to claim 1, characterized in that: Connecting seats (16) are longitudinally provided on both sides of the upper end of the base (1), the connecting seats (16) are placed in the slide rail (11), and the connecting seats (16) are threadedly connected to the adjusting screw rod (15), and a supporting platform (17) is horizontally provided on the upper end of the base (1), the supporting platform (17) is fixedly connected to the connecting seats (16) on both sides, and a plurality of equidistant mounting openings are opened on both sides of the interior of the supporting platform (17), and a fan (18) is fixedly connected in the mounting opening.

4. A photovoltaic circuit board frame welding device according to claim 1, characterized in that: The rotation positioning assembly comprises a turntable (19) arranged between the two working boxes (2), the turntable (19) being placed inside the supporting platform (17) for rotation connection, and a worm wheel (20) being fixedly connected to the outside of the turntable (19), a worm (21) being provided on one side of the worm wheel (20), and the worm wheel (20) and the worm (21) being meshingly driven, the worm (21) being longitudinally rotationally connected inside the supporting platform (17), and a driven gear (22) being fixedly connected to the front end of the worm (21), and a driving gear (23) being meshingly driven to the other side of the driven gear (22), a rotating shaft (24) being fixedly connected to the front end of the driving gear (23), the rotating shaft (24) having a front end that passes through the supporting platform (17), and a first hand wheel (25) being fixedly connected to the front end surface of the rotating shaft (24).

5. A photovoltaic circuit board frame welding device according to claim 1, characterized in that: The clamping assembly comprises a rotating plate (26) mounted on the top surface of the turntable (19), notches are provided on both sides of the top surface of the rotating plate (26), filters (27) are installed in the notches, and a first guide rail (28) is longitudinally mounted in the middle of the top surface of the rotating plate (26), a bidirectional screw rod (30) is rotatably connected inside the first guide rail (28), the front end of the bidirectional screw rod (30) passes through the first guide rail (28) and is connected to a second hand wheel (31), and a moving seat (32) is slidably connected inside the first guide rail (28) at the front and rear ends, the moving seat (32) is threadedly connected to the bidirectional screw rod (30), and an L-shaped plate (33) is mounted on the top surface of the moving seat (32), and a pressure plate (34) is transversely arranged at the upper end of the L-shaped plate (33).

6. A photovoltaic circuit board frame welding device according to claim 5, characterized in that: A guide opening is provided in the middle of the top surface of the L-shaped plate (33), and the two pressing plates (34) are placed in the guide opening at their distal ends. The two L-shaped plates (33) are rotatably connected to a positioning screw rod (35), the upper end of the positioning screw rod (35) is threadedly connected to the pressing plate (34), and a rocker (36) is fixedly connected to the top surface of the positioning screw rod (35).

7. A photovoltaic circuit board frame welding device according to claim 5, characterized in that: Second guide rails (29) are transversely arranged on both sides of the middle of the first guide rail (28). The second guide rail (29) is mounted on the top surface of the rotating plate (26), and a guide rod (37) is transversely fixed inside the second guide rail (29). An L-shaped clamping plate (42) is sleeved on the outer side of the guide rod (37). The upper end of the L-shaped clamping plate (42) is placed on the outer side of the second guide rail (29). Springs (38) are arranged at the far ends of the two L-shaped clamping plates (42). The springs (38) are sleeved on the guide rod (37), and one end of the spring (38) is fixedly connected to the lower end of the L-shaped clamping plate (42), and the other end is fixedly connected to the inner wall of the second guide rail (29).

8. A photovoltaic circuit board frame welding device according to claim 1, characterized in that: The adsorption assembly comprises a shell (39) mounted on the bottom surface of the support platform (17), an air guide port is provided in the middle of the bottom surface of the shell (39), a connecting pipe (40) is installed on the air guide port, the other end of the connecting pipe (40) is connected to an air suction pump (41), the air suction pump (41) is mounted on one side of the top surface of the base (1), and the air outlet of the air suction pump (41) is connected to the water tank (3).

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