Auxiliary tool clamp for welding photovoltaic cell

Abstract

The invention discloses a photovoltaic cell welding auxiliary tool clamp, and relates to the technical field of tool clamps, the photovoltaic cell welding auxiliary tool clamp comprises a main frame, the outer side of the main frame is fixedly connected with a motor bin, and the inner side of the motor bin is fixedly connected with a third motor; a first bevel gear is fixedly connected to the output end of the third motor, a first connecting groove is fixedly connected to the top of the main frame, a third threaded rod is rotatably connected to the inner side of the first connecting groove, a threaded rod sliding groove is formed in the top of the first connecting groove, and two moving sliding grooves are formed in the outer side of the main frame; the inner sides of the two moving sliding grooves are slidably connected with moving bolts, the tops of the two moving bolts are fixedly connected with a second connecting groove, the left-right direction of the battery piece is fixed, through the operation, the battery pieces of different specifications do not need to be machined, a tool clamp does not need to be replaced, cost and time are saved, and manpower and time consumption for clamping and disassembling is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of tooling and fixtures, and in particular to a photovoltaic cell welding auxiliary tooling and fixture. Background Art

[0002] Photovoltaic cells refer to semiconductor material components that can convert sunlight into electrical energy. They are one of the key components of solar photovoltaic power generation systems. Large-scale ground photovoltaic power stations are built in my country's western desert and grassland areas with abundant light resources. These power stations convert solar energy into electrical energy through a large number of photovoltaic cells and connect them to the power grid, providing large amounts of electricity for cities, industries and residents. They are also common in cities and rural areas.

[0003] Photovoltaic cells generate electricity through light energy with almost zero greenhouse gas emissions, do not produce air pollutants, do not require water resources for cooling, reduce land occupation and damage to the ecology, and as a renewable resource, they conform to the concept of circular economy and promote technological innovation, making important contributions to environmental protection in many aspects. Therefore, they are widely used and promising. When a large number of photovoltaic cells are in production, in order to ensure their quality standards, a photovoltaic cell welding auxiliary tooling fixture is needed.

[0004] However, the existing photovoltaic cell welding auxiliary fixture has the following shortcomings:

[0005] The photovoltaic cell welding auxiliary tooling and fixtures currently on the market need to be replaced with different tooling and fixtures when processing photovoltaic cells of different specifications, sizes and shapes. Therefore, when the product specifications change, the tooling and fixtures need to be redesigned and manufactured, which increases the cost and time. In addition, the operations are cumbersome when clamping and disassembling the cells, and require more time and manpower.

[0006] Therefore, we proposed a photovoltaic cell welding auxiliary fixture to solve the above problems. Summary of the invention

[0007] The purpose of the present invention is to provide a photovoltaic cell welding auxiliary tooling fixture, which drives the first bevel gear on its shaft to rotate through a third motor, and drives the second bevel gear meshing with it and the connected third threaded rod to rotate, so that the second connecting groove of the threaded match moves, and the cell is placed in the first connecting groove and the second connecting groove, and the second connecting groove is close to the first connecting groove to achieve clamping and alignment. At the same time, the first bevel gear drives the fixed first pulley to rotate, and the second pulley and the bidirectional threaded rod are rotated through the transmission belt, so that the two clamping blocks move toward the middle, which has solved the problems raised in the above background.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a photovoltaic cell welding auxiliary tooling fixture, comprising a main frame, a motor compartment is fixedly connected to the outer side of the main frame, a third motor is fixedly connected to the inner side of the motor compartment, a first bevel gear is fixedly connected to the output end of the third motor, a first connecting groove is fixedly connected to the top of the main frame, a third threaded rod is rotatably connected to the inner side of the first connecting groove, a threaded rod slide groove is provided on the top of the first connecting groove, two movable slide grooves are provided on the outer side of the main frame, movable bolts are slidably connected to the inner sides of the two movable slide grooves, a second connecting groove is fixedly connected to the tops of the two movable bolts, and the second connecting groove and the third The threaded rod is threadedly connected, and the outer side of the third threaded rod is fixedly connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the outer side of the first bevel gear is fixedly connected with a first pulley, the outer side of the first pulley is sleeved with a transmission belt, the outer side of the transmission belt is slidably connected with a control wheel, the other end of the transmission belt is sleeved with a second pulley on the inner side, the control wheel is rotatably connected to the bottom of the main frame, the inner side of the second pulley is fixedly connected with a bidirectional threaded rod, the outer side of the bidirectional threaded rod is fixedly connected with two limiting wheels, the outer side of the bidirectional threaded rod is rotatably connected to a limiting column, and a welding mechanism is provided on the top of the first connecting groove and the second connecting groove.

[0009] Preferably, it includes a moving frame, the moving frame is slidably connected to the top of the second connecting groove, the other end of the moving frame is fixedly connected to the second threaded bolt, the inner side of the threaded rod sliding groove is fixedly connected to the second motor, the second motor is fixedly connected to the second threaded rod, the second threaded rod is threadedly connected to the second threaded bolt, a second machine cover is provided on the top of the second motor, the machine cover is fixedly connected to the first connecting groove, the inner side of the moving frame is fixedly connected to the first motor, the first motor is fixedly connected to the first threaded rod, a moving platform is provided on the top of the moving frame, the bottom of the moving platform is fixedly connected to the first threaded bolt, the first threaded bolt is threadedly connected to the first threaded rod, the top of the moving platform is fixedly connected to the electric telescopic rod, and the top of the electric telescopic rod is fixedly connected to the fixed platform.

[0010] Preferably, a mounting hole is opened on the inner side of the fixed platform, a welding machine is fixedly connected to the inner side of the mounting hole, a smoke hood is fixedly connected to the outer side of the welding machine, the smoke hood is connected to a smoke pipe, and an air suction machine is fixedly connected to the top of the fixed platform, and the air suction machine is connected to the smoke pipe.

[0011] Preferably, the limiting column is fixedly connected to the second connecting groove, a plurality of clamping blocks are slidably connected on the inner sides of the first connecting groove and the second connecting groove, the two clamping blocks on the left and the two clamping blocks on the right are slidably connected to connecting rods respectively, and the two clamps on the rear side are threadedly connected to the bidirectional threaded rod.

[0012] Preferably, a probe is fixedly connected to the bottom of the fixed platform, a flaw detector is fixedly connected to the bottom of the movable platform, and a telescopic ultrasonic head is fixedly connected to the bottom of the flaw detector.

[0013] Preferably, the other end of the first threaded rod is rotatably connected to the moving frame, the other end of the second threaded rod is rotatably connected to the second connecting groove, and a first machine cover is provided on the top of the first motor, and the first machine cover is fixedly connected to the moving frame.

[0014] Preferably, the bottom of the movable frame is slidably connected to a first baffle plate, the first baffle plate is fixedly connected to a first spring, the other end of the first spring is fixedly connected to a second baffle plate, the second baffle plate is fixedly connected to a second spring, the other end of the second spring is fixedly connected to a third baffle plate, and the second baffle plate and the third baffle plate are slidably connected to the movable frame respectively.

[0015] Preferably, a bracket is fixedly connected to the top of the main frame, a display screen is fixedly connected to the top of the bracket, and a signal transceiver is fixedly connected to the rear side of the display screen.

[0016] Preferably, a moving rod having a diameter slightly smaller than the width of the groove opened on the inner side of the moving frame is slidably connected to the inner side of the moving frame, and the moving rod is slidably connected to the second connecting groove.

[0017] Preferably, the inner sides of the two limiting wheels are provided with raised circular rings slightly smaller than the circular grooves opened on both sides of the limiting pillars, and the first baffle plate, the second baffle plate and the third baffle plate are all fixed with fixing blocks that can be supported by springs.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the photovoltaic cell welding operation, the present invention starts the third motor, and the first bevel gear on the shaft rotates, driving the second bevel gear meshing with it and the connected third threaded rod to rotate, so that the second connecting groove with the thread moves, and the cell is placed in the first connecting groove and the second connecting groove, and the second connecting groove is close to the first connecting groove to achieve clamping and alignment. At the same time, the first bevel gear drives the fixed first pulley to rotate, and the second pulley and the bidirectional threaded rod are rotated through the transmission belt, so that the two clamping blocks move toward the middle. The mechanism adopts the principle of mechanical transmission to achieve the effect of synchronous multi-directional clamping through the coordination and linkage between multiple collaborative components under the condition of a single power source, so that photovoltaic cells of different specifications and sizes do not need to be repeatedly adjusted. The work station size does not need to be repeatedly adjusted, which saves costs and shortens the working time, and avoids the many limitations of manual operation when clamping and disassembling the cell.

[0020] 2. In order to make the device more convenient to use, a moving frame is arranged on the top of the first and second connecting grooves, and the second threaded bolt at the bottom thereof is threadedly matched with the second threaded rod and driven to move by the second motor. The first motor in the moving frame drives the moving platform fixed with the threaded bolt to move through the threaded relationship between the first threaded rod and the first threaded bolt, so that the welding machine can automatically weld any part of the photovoltaic cell piece. The welding machine fume hood is connected with an air suction machine to discharge welding smoke through the smoke pipe, which is convenient for the fixed platform probe to clearly observe the welding point. When the welding machine is working, the flaw detector on the moving platform moves synchronously, and the inside of the welding point is checked twice with the telescopic ultrasonic head. The moving platform is connected to the fixed platform through an electric telescopic rod, and the height of the welding machine and the probe can be adjusted. In this way, automatic welding of photovoltaic cells is realized, saving time and labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a main structural stereogram of a photovoltaic cell welding auxiliary fixture of the present invention;

[0022] Figure 2 This is a disassembled stereoscopic diagram of the structure of a photovoltaic cell welding auxiliary fixture of the present invention;

[0023] Figure 3 This is a disassembled stereoscopic diagram of some structures in a photovoltaic cell welding auxiliary fixture of the present invention;

[0024] Figure 4 This is a disassembled diagram of a part of the transmission mechanism in a photovoltaic cell welding auxiliary fixture of the present invention;

[0025] Figure 5 It is a structural exploded stereogram of a welding mechanism in a photovoltaic cell welding auxiliary fixture of the present invention;

[0026] Figure 6 It is a partially exploded three-dimensional diagram of the welding mechanism in a photovoltaic cell welding auxiliary fixture of the present invention;

[0027] Figure 7 This is a front view of a photovoltaic cell welding auxiliary tooling fixture of the present invention.

[0028] Figure 8 It is a side view of a photovoltaic cell welding auxiliary tooling fixture of the present invention.

[0029] In the figure: 1, main frame; 2, welding mechanism; 201, moving frame; 202, first motor; 203, first machine cover; 204, first threaded rod; 205, first threaded bolt; 206, moving platform; 207, electric telescopic rod; 208, fixed platform; 209, mounting hole; 210, welding machine; 211, smoke hood; 212, smoke pipe; 213, suction machine; 214, probe; 215, flaw detector; 216, telescopic ultrasonic head; 217, second threaded bolt; 218, second threaded rod; 219, second motor; 220, second machine cover; 221, first baffle; 222 , first spring; 223, second baffle; 224, third baffle; 225, second spring; 3, motor compartment; 4, third motor; 5, first bevel gear; 6, second bevel gear; 7, third threaded rod; 8, first connecting groove; 9, second connecting groove; 10, first pulley; 11, transmission belt; 12, control wheel; 13, second pulley; 14, limit wheel; 15, limit column; 16, two-way threaded rod; 17, clamping block; 18, connecting rod; 19, bracket; 20, display screen; 21, signal transceiver; 22, moving bolt; 23, moving slide; 24, threaded rod slide. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation clauses described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] Please refer to the attached Figure 1 -Attached Figure 8 As shown, the present invention provides a technical solution: a photovoltaic cell welding auxiliary tooling fixture, comprising (1), the bottom of (1) is provided with (2), the top of (1) is provided with (5), the top of (1) is fixedly installed with (3), the top of (3) is provided with (4), the bottom of (1) is fixedly installed with (6), the bottom of (6) is fixedly installed with (7), and the bottom cover of (7) is attached with (8).

[0032] Embodiment 1, according to Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, it includes a main frame 1, a motor bin 3 is fixedly connected to the outside of the main frame 1, a third motor 4 is fixedly connected to the inside of the motor bin 3, a first bevel gear 5 is fixedly connected to the output end of the third motor 4, a first connecting groove 8 is fixedly connected to the top of the main frame 1, a third threaded rod 7 is rotatably connected to the inside of the first connecting groove 8, a threaded rod slide 24 is provided on the top of the first connecting groove 8, two movable slides 23 are provided on the outside of the main frame 1, a movable bolt 22 is slidably connected to the inside of the two movable slides 23, a second connecting groove 9 is fixedly connected to the top of the two movable bolts 22, the second connecting groove 9 is threadedly connected to the third threaded rod 7, and the outside of the third threaded rod 7 is fixedly connected to the A second bevel gear 6 is connected, and the second bevel gear 6 is meshed with the first bevel gear 5. The outer side of the first bevel gear 5 is fixedly connected with a first pulley 10, and the outer side of the first pulley 10 is sleeved with a transmission belt 11, and the outer side of the transmission belt 11 is slidably connected with a control wheel 12, and the other end of the transmission belt 11 is sleeved with a second pulley 13 on the inner side, and the control wheel 12 is rotatably connected to the bottom of the main frame 1, and the inner side of the second pulley 13 is fixedly connected with a bidirectional threaded rod 16, and the outer side of the bidirectional threaded rod 16 is fixedly connected with two limiting wheels 14, and the outer side of the bidirectional threaded rod 16 is rotatably connected to the limiting column 15. A welding mechanism 2 is provided at the top of the first connecting groove 8 and the second connecting groove 9.

[0033] The effect achieved by the entire embodiment 1 is as follows: when the third threaded rod 7 rotates, it can drive the second connecting groove 9 with which it is threaded to move, and the photovoltaic cell to be welded is placed on the first connecting groove 8 and the second connecting groove 9. When the second connecting groove 9 is moved close to the first connecting groove 8, the photovoltaic cell can be clamped by reducing the space between the second connecting groove 8 and the first connecting groove 8. When the clamping is completed, multiple photovoltaic cells will be aligned at the same time. When the first bevel gear 5 rotates, it can drive the first pulley 10 to rotate with it, and the transmission belt 11 can drive the second pulley 13 to rotate. The rotation of the second pulley 13 can drive the bidirectional threaded rod 16 thereon to rotate. The bidirectional threaded rod 16 rotates and drives the two clamping blocks 17 with which it is threaded to move toward the middle at the same time through the thread principle. The two clamping blocks 17 drive the two clamping blocks 17 on the other side to move synchronously through the connecting rod 18 connected by rotation.

[0034] Embodiment 2, according to Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, it includes a moving frame 201, the moving frame 201 is slidably connected to the top of the second connecting groove 9, the other end of the moving frame 201 is fixedly connected to the second threaded bolt 217, the inner side of the threaded rod slide groove 24 is fixedly connected to the second motor 219, the second motor 219 is fixedly connected to the second threaded rod 218, the second threaded rod 218 is threadedly connected to the second threaded bolt 217, and the top of the second motor 219 is provided with a second machine cover 220, the machine cover is fixedly connected to the first connecting groove 8, the inner side of the moving frame 201 is fixedly connected to the first motor 202, the first motor 202 is fixedly connected to the first threaded rod 204, and the top of the moving frame 201 A mobile platform 206 is provided, the bottom of the mobile platform 206 is fixedly connected with a first threaded bolt 205, the first threaded bolt 205 is threadedly connected to the first threaded rod 204, the top of the mobile platform 206 is fixedly connected with an electric telescopic rod 207, the top of the electric telescopic rod 207 is fixedly connected with a fixed platform 208, a mounting hole 209 is provided on the inner side of the fixed platform 208, a welding machine 210 is fixedly connected to the inner side of the mounting hole 209, a smoke hood 211 is fixedly connected to the outer side of the welding machine 210, the smoke hood 211 is connected to a smoke pipe 212, and an air suction machine 213 is fixedly connected to the top of the fixed platform 208, and the air suction machine 213 is connected to the smoke pipe 212.

[0035] The effect achieved by the entire embodiment 2 is as follows: a moving frame 201 is provided at the top of the first connecting groove 8 and the second connecting groove 9, and the moving frame 201 is driven to move by the second motor 219 fixed by the second threaded rod 218 through the threaded relationship between the second threaded bolt 217 and the second threaded rod 218 fixed at the bottom, and the first motor 202 in the moving frame 201 drives the moving platform 206 fixed to the threaded bolt through the threaded relationship between the first threaded rod 204 and the first threaded bolt 205 to move, the smoke hood 211 on the welding machine 210 is connected to the suction machine 213 through the smoke pipe 212, and the smoke generated during welding can be sucked in and discharged, the flaw detector 215 performs a secondary inspection on the inside of the welding point through the telescopic ultrasonic head 216, and the moving platform 206 is connected to the fixed platform 208 through the electric telescopic rod 207 to control the height of the welding machine 210 and the probe 214.

[0036] Embodiment 3, according to Figure 2 , Figure 7 and Figure 8As shown, the limit column 15 is fixedly connected to the second connecting groove 9, the first connecting groove 8 and the second connecting groove 9 are slidably connected to the inner sides of the multiple clamping blocks 17, the two left clamping blocks 17 and the two right clamping blocks 17 are respectively slidably connected to the connecting rod 18, the two rear clamping blocks are threadedly connected to the bidirectional threaded rod 16, the bottom of the fixed platform 208 is fixedly connected to the probe 214, the bottom of the mobile platform 206 is fixedly connected to the flaw detector 215, the bottom of the flaw detector 215 is fixedly connected to the telescopic ultrasonic head 216, the other end of the first threaded rod 204 is rotatably connected to the mobile frame 201, and the second threaded rod 2 The other end of 18 is rotatably connected to the second connecting groove 9, a first machine cover 203 is arranged on the top of the first motor 202, the first machine cover 203 is fixedly connected to the moving frame 201, a first baffle plate 221 is slidably connected to the bottom of the moving frame 201, the first baffle plate 221 is fixedly connected to the first spring 222, the other end of the first spring 222 is fixedly connected to the second baffle plate 223, the second baffle plate 223 is fixedly connected to the second spring 225, the other end of the second spring 225 is fixedly connected to the third baffle plate 224, the second baffle plate 223 and the third baffle plate 224 are slidably connected to the moving frame 201 respectively.

[0037] The effect achieved by the entire embodiment 3 is as follows: the clamping block 17 can clamp the photovoltaic cell left and right, the thread of the bidirectional threaded rod 16 can shift the clamping block 17, and after smoke removal, the probe 214 is used to detect the state of the surface of the weld, and then the flaw detector 215 detects the internal condition of the weld through the telescopic ultrasonic head 216, so that the quality of welding work can be guaranteed, and the first baffle 221, the second baffle 223 and the third baffle 224 can shield the weld when the movable frame 201 moves through the first spring 222 and the second spring 225, so that the weld can be protected from wind and dust, and the relationship between the splicing of multiple baffles and the spring can avoid limitation when the movable frame 201 moves.

[0038] Embodiment 4, according to Figure 2 , Figure 5 , Figure 7 and Figure 8 As shown, a bracket 19 is fixedly connected to the top of the main frame 1, a display screen 20 is fixedly connected to the top of the bracket 19, a signal transceiver 21 is fixedly connected to the rear side of the display screen 20, a moving rod with a diameter slightly smaller than the width of the groove opened on the inner side of the moving frame 201 is slidably connected to the inner side of the moving frame 201, the moving rod is slidably connected to the second connecting groove 9, and a raised ring slightly smaller than the circular groove opened on both sides of the limiting column 15 is provided on the inner side of the two limiting wheels 14, and fixed blocks that can be supported by springs are fixed on the first baffle 221, the second baffle 223 and the third baffle 224.

[0039] The effect achieved by the entire embodiment 4 is as follows: the signal transceiver 21 presents the received signals of the probe 214 and the flaw detector 215 to the operator through the display screen 20, the moving rod can increase the stability of the moving frame 201, and the raised rings on the inner sides of the two limiting wheels 14 reduce friction with the limiting column 15 while the limiting wheels 14 limit the bidirectional threaded rod 16, thereby reducing the loss of kinetic energy.

[0040] The working principle of the whole equipment is as follows: when the photovoltaic cell needs to be welded, the third motor 4 is started, and the third motor 4 drives the first bevel gear 5 thereon to rotate. Since the first bevel gear 5 is meshed with the second bevel gear 6, the second bevel gear 6 rotates and drives the third threaded rod 7 fixed thereto to rotate. Due to the thread principle, the third threaded rod 7 can drive the second connecting groove 9 with the thread to move when it rotates. At this time, the photovoltaic cell to be welded is placed on the first connecting groove 8 and the second connecting groove 9. By moving the second connecting groove 9 closer to the first connecting groove 8 and narrowing the space between the second connecting groove 8 and the first connecting groove 8, the photovoltaic cell is clamped. When the clamping is completed At the same time, multiple photovoltaic cells will be aligned. At the same time, because the first bevel gear 5 is fixed with the first pulley 10, when the first bevel gear 5 rotates, the first pulley 10 follows the rotation and drives the second pulley 13 to rotate through the transmission belt 11. When the second pulley 13 rotates, it drives the bidirectional threaded rod 16 thereon to rotate. At this time, the bidirectional threaded rod 16 rotates and drives the two clamping blocks 17 threaded with it to move toward the middle at the same time through the thread principle, and the two clamping blocks 17 drive the two clamping blocks 17 on the other side to move synchronously through the connecting rod 18 connected by rotation, so as to fix the photovoltaic cells in the left and right directions.

[0041] In order to make the device more convenient to use, a moving frame 201 is provided at the top of the first connecting groove 8 and the second connecting groove 9. The moving frame 201 is driven to move by a second motor 219 fixed by the second threaded rod 218 through a threaded relationship between a second threaded bolt 217 fixed at the bottom. The first motor 202 in the moving frame 201 drives the moving platform 206 fixed with the threaded bolt to move through a threaded relationship between the first threaded rod 204 and the first threaded bolt 205. The movement of the moving platform 206 enables the welding machine 210 thereon to automatically move the welding machine 210 clamped by the device. Any part of the photovoltaic cell sheet can be welded, and the smoke hood 211 on the welding machine 210 is connected to the suction machine 213 through the smoke pipe 212 to suck and discharge the smoke generated during welding, so that the probe 214 on the fixed platform 208 can clearly observe the surface state of the welding point. At the same time, when the welding machine 210 is moving, the flaw detector 215 on the mobile platform 206 moves with it, and the inside of the welding point is retracted through the telescopic ultrasonic head 216. The mobile platform 206 is connected to the fixed platform 208 through the electric telescopic rod 207, which can control the height of the welding machine 210 and the probe 214.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A photovoltaic cell welding auxiliary fixture, characterized in that: The invention comprises a main frame (1), wherein a motor bin (3) is fixedly connected to the outer side of the main frame (1), a third motor (4) is fixedly connected to the inner side of the motor bin (3), an output end of the third motor (4) is fixedly connected to a first bevel gear (5), a first connecting groove (8) is fixedly connected to the top of the main frame (1), a third threaded rod (7) is rotatably connected to the inner side of the first connecting groove (8), a threaded rod slide groove (24) is provided at the top of the first connecting groove (8), two movable slide grooves (23) are provided on the outer side of the main frame (1), movable bolts (22) are slidably connected to the inner sides of the two movable slide grooves (23), a second connecting groove (9) is fixedly connected to the top of the two movable bolts (22), the second connecting groove (9) is threadedly connected to the third threaded rod (7), the outer side of the third threaded rod (7) is fixedly connected to A second bevel gear (6), the second bevel gear (6) meshes with the first bevel gear (5), the outer side of the first bevel gear (5) is fixedly connected with a first pulley (10), the outer side of the first pulley (10) is sleeved with a transmission belt (11), the outer side of the transmission belt (11) is slidably connected with a control wheel (12), the other end of the transmission belt (11) is sleeved with a second pulley (13), the control wheel (12) is rotatably connected to the bottom of the main frame (1), the inner side of the second pulley (13) is fixedly connected with a bidirectional threaded rod (16), the outer side of the bidirectional threaded rod (16) is fixedly connected with two limiting wheels (14), the outer side of the bidirectional threaded rod (16) is rotatably connected with a limiting column (15), and the top of the first connecting groove (8) and the second connecting groove (9) is provided with a welding mechanism (2).

2. A photovoltaic cell welding auxiliary fixture according to claim 1, characterized in that: The invention comprises a moving frame (201), wherein the moving frame (201) is slidably connected to the top of the second connecting groove (9), the other end of the moving frame (201) is fixedly connected to a second threaded bolt (217), the inner side of the threaded rod sliding groove (24) is fixedly connected to a second motor (219), the second motor (219) is fixedly connected to a second threaded rod (218), the second threaded rod (218) is threadedly connected to the second threaded bolt (217), and a second machine cover (220) is arranged on the top of the second motor (219), the machine cover is fixedly connected to the first connecting groove (8). The inner side of the moving frame (201) is fixedly connected to a first motor (202), the first motor (202) is fixedly connected to a first threaded rod (204), a moving platform (206) is arranged on the top of the moving frame (201), a first threaded bolt (205) is fixedly connected to the bottom of the moving platform (206), the first threaded bolt (205) is threadedly connected to the first threaded rod (204), the top of the moving platform (206) is fixedly connected to an electric telescopic rod (207), and the top of the electric telescopic rod (207) is fixedly connected to a fixed platform (208).

3. A photovoltaic cell welding auxiliary fixture according to claim 2, characterized in that: A mounting hole (209) is provided on the inner side of the fixing platform (208); a welding machine (210) is fixedly connected to the inner side of the mounting hole (209); a smoke hood (211) is fixedly connected to the outer side of the welding machine (210); the smoke hood (211) is connected to a smoke pipe (212); an air suction machine (213) is fixedly connected to the top of the fixing platform (208); the air suction machine (213) is connected to the smoke pipe (212).

4. The photovoltaic cell welding auxiliary fixture according to claim 1, characterized in that: The limiting column (15) is fixedly connected to the second connecting groove (9); a plurality of clamping blocks (17) are slidably connected to the inner sides of the first connecting groove (8) and the second connecting groove (9); the two clamping blocks (17) on the left and the two clamping blocks (17) on the right are slidably connected to connecting rods (18) respectively; and the two clamping blocks on the rear are threadedly connected to the bidirectional threaded rod (16).

5. The photovoltaic cell welding auxiliary fixture according to claim 2, characterized in that: The bottom of the fixed platform (208) is fixedly connected to a probe (214), the bottom of the mobile platform (206) is fixedly connected to a flaw detector (215), and the bottom of the flaw detector (215) is fixedly connected to a telescopic ultrasonic head (216).

6. The photovoltaic cell welding auxiliary fixture according to claim 2, characterized in that: The other end of the first threaded rod (204) is rotatably connected to the moving frame (201), and the other end of the second threaded rod (218) is rotatably connected to the second connecting groove (9). A first machine cover (203) is provided on the top of the first motor (202), and the first machine cover (203) is fixedly connected to the moving frame (201).

7. The photovoltaic cell welding auxiliary fixture according to claim 2, characterized in that: The bottom of the movable frame (201) is slidably connected to a first baffle plate (221), the first baffle plate (221) is fixedly connected to a first spring (222), the other end of the first spring (222) is fixedly connected to a second baffle plate (223), the second baffle plate (223) is fixedly connected to a second spring (225), the other end of the second spring (225) is fixedly connected to a third baffle plate (224), and the second baffle plate (223) and the third baffle plate (224) are respectively slidably connected to the movable frame (201).

8. The photovoltaic cell welding auxiliary fixture according to claim 1, characterized in that: A bracket (19) is fixedly connected to the top of the main frame (1), a display screen (20) is fixedly connected to the top of the bracket (19), and a signal transceiver (21) is fixedly connected to the rear side of the display screen (20).

9. The photovoltaic cell welding auxiliary fixture according to claim 2, characterized in that: A moving rod having a diameter slightly smaller than the width of a groove opened on the inner side of the moving frame (201) is slidably connected to the inner side of the moving frame (201), and the moving rod is slidably connected to the second connecting groove (9).

10. The photovoltaic cell welding auxiliary fixture according to claim 1, characterized in that: The inner sides of the two limiting wheels (14) are provided with raised circular rings slightly smaller than the circular grooves opened on both sides of the limiting pillars (15), and the first baffle plate (221), the second baffle plate (223) and the third baffle plate (224) are all fixed with fixing blocks that can be supported by springs.

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