A welding wire feed device

Abstract

The utility model relates to a kind of welding wire traction device, including front traction mechanism, it is set to front traction work area, and front traction mechanism includes the first traction component and second traction component of traction welding wire, and front traction work area is equipped with first station and second station;Rear traction mechanism, it is set to rear traction work area, and rear traction mechanism includes the third traction component and fourth traction component of traction welding wire, and second station is set to the overlapping area of rear traction work area and front traction work area, and rear traction work area is equipped with third station;Moving mechanism, it drives first traction component and second traction component reciprocating movement between first station and second station, and moving mechanism also drives third traction component and fourth traction component reciprocating movement between second station and third station.The utility model can accelerate welding wire traction, tighten rhythm, reduce equipment waiting time, improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic production equipment technology, and in particular to a welding wire traction device. Background Technology

[0002] In the production of photovoltaic modules, individual solar cells need to be efficiently and reliably connected in series to form a current path, ensuring that the solar panel generates a sufficiently high voltage and outputs effective electrical energy. Welding the main busbars of the solar cells to the welding wire is the foundation for establishing this current path. After flux is applied, the welding wire needs to be cut into fixed-length segments before it can be welded to the solar cells. Before cutting, the welding wire needs to be straightened and taut. The existing tautning mechanism can only perform the next round of tautning after completing the tautning, cutting, and removal of one segment of welding wire. This results in long waiting times for the wire feeding and conveying mechanisms, leading to insufficient work efficiency. This mode restricts the production cycle of the equipment. Summary of the Invention

[0003] Therefore, the technical problem to be solved by this utility model is to overcome the problems of low working efficiency of the tensioning mechanism and long waiting time of the wire feeding mechanism and welding wire conveying mechanism in the prior art, which leads to insufficient equipment working efficiency. In this way, a welding wire traction device is provided, which can speed up the welding wire traction and tensioning cycle, reduce equipment waiting time, and improve production efficiency.

[0004] To solve the above-mentioned technical problems, this utility model provides a welding wire pulling device, comprising, A front traction mechanism is provided in the front traction working area. The front traction mechanism includes a first traction component and a second traction component for traction of welding wire. The front traction working area is provided with a first station and a second station. A rear traction mechanism is provided in the rear traction working area. The rear traction mechanism includes a third traction component and a fourth traction component for traction welding wire. The second station is provided in the overlapping area of ​​the rear traction working area and the front traction working area. The rear traction working area is provided with a third station. The moving mechanism drives the first traction component and the second traction component to reciprocate between the first workstation and the second workstation, and the moving mechanism also drives the third traction component and the fourth traction component to reciprocate between the second workstation and the third workstation.

[0005] In one embodiment of the present invention, the moving mechanism includes a first linear module and a second linear module, each having two slides. The first traction component and the third traction component are respectively disposed on the two slides of the first linear module, and the second traction component and the fourth traction component are respectively disposed on the two slides of the second linear module. The moving path of the slides of the first linear module is parallel to the moving path of the slides of the second linear module.

[0006] In one embodiment of the present invention, the first traction component, the second traction component, the third traction component, and the fourth traction component each include a base, a clamping component disposed on the base, and a lifting component for driving the base to rise and fall, wherein the clamping component is used to clamp the welding wire.

[0007] In one embodiment of the present invention, the clamping components located in the first traction component, the second traction component, the third traction component, and the fourth traction component are arranged facing each other along a first direction.

[0008] In one embodiment of the present invention, the clamping assembly includes a first gripper assembly, the first gripper assembly including a slider and a plurality of first clamping units composed of pairs of first grippers and second grippers, the slider having a plurality of grooves arranged in an array along a second direction, the plurality of first clamping units being distributed in an array along the second direction, wherein the first grippers are connected to the base, the second grippers are rotatably connected to the base and their clamping arms extend into the grooves, and the slider is configured to reciprocate along the second direction and push the plurality of second grippers to rotate.

[0009] In one embodiment of the present invention, the clamping assembly includes a gripper driving assembly, which includes two driving units consisting of a driver, an inclined push block, two opposing rolling elements, and an elastic element. The two rolling elements are rotatably connected to the base and the sliding element, respectively. The elastic element connects the base and the sliding element. The inclined push block is configured to be pushed by the driver between the two rolling elements to push the rolling element connected to the sliding element to move along the second direction.

[0010] In one embodiment of the present invention, the first gripper assembly further includes a first slide rail extending along the second direction, and the slider is slidably connected to the first slide rail.

[0011] In one embodiment of the present invention, the clamping assembly further includes a second clamping jaw assembly. The second clamping jaw assembly includes a pusher, a driver for driving the pusher to move along the first direction, and a plurality of second clamping units composed of pairs of third and fourth clamping jaws. The pusher is provided with a plurality of inclined grooves arranged in an array along the second direction. The third and fourth clamping jaws are rotatably connected to the base, and the clamping arms of the third and fourth clamping jaws extend into the inclined grooves. The pusher is configured to move along the first direction such that the clamping arms of the third and fourth clamping jaws are embedded in the inclined grooves and push the third and fourth clamping jaws to open.

[0012] In one embodiment of the present invention, the second gripper assembly includes a connecting strip with a strip-shaped through groove. The connecting strip is detachably connected to the base. The third gripper and the fourth gripper are both rotatably connected to the connecting strip and pass through the strip-shaped through groove.

[0013] In one embodiment of the present invention, the first traction component, the second traction component, the third traction component, and the fourth traction component all include a connecting seat, the connecting seat being provided with a second slide rail extending in a vertical direction, and the base being slidably connected to the second slide rail.

[0014] In one embodiment of this utility model, the connecting seat is connected to the slide table.

[0015] In one embodiment of this utility model, the lifting assembly includes a drive motor, a first synchronous pulley, a second synchronous pulley, a synchronous belt, a slide block, and a lead screw. The slide block is slidably connected to the second slide rail, the lead screw is rotatably connected to the connecting seat, and the lead screw is threadedly connected to the slide block. The synchronous belt meshes with the first synchronous pulley and the second synchronous pulley. The first synchronous pulley is connected to the rotating shaft of the drive motor, and the second synchronous pulley is connected to the lead screw.

[0016] In one embodiment of this utility model, an elastic element is connected between the third gripper and the fourth gripper, and the elastic element is used to realize the closing and reset of the third gripper and the fourth gripper.

[0017] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial effects: The welding wire traction device of this utility model uses the first and third traction components as one traction unit, and the second and fourth traction components as another traction unit to alternately traction and tighten the welding wire. When the current unit completes the handover or tightening of the welding wire, the next unit has already completed the traction preparation work. The alternating cyclic working mode realizes the continuity of the welding wire traction and tightening process, thereby reducing the idle time of the equipment and significantly improving the overall production cycle. The second station is set in the overlapping area of ​​the front and rear traction working areas. Driven by the moving mechanism, the front and rear traction mechanisms hand over the welding wire at the second station. This design enables the front traction mechanism and the rear traction mechanism to be seamlessly connected and work in sequence, ensuring that the welding wire is uninterrupted during the traction process and further accelerating the production cycle of the equipment. Attached Figure Description

[0018] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. Figure 1 This is a schematic diagram of the welding wire traction device in a preferred embodiment of the present invention; Figure 2 for Figure 1 A schematic diagram of the first, second, and third stations of the welding wire pulling device shown. Figure 3 for Figure 1 The diagram shows the structure of the third and fourth traction components. Figure 4 for Figure 1 The diagram shows the structure of the first traction assembly and the second traction assembly. Figure 5 for Figure 4 The diagram shows the structure of the first slide rail, the elastic element, and the slider.

[0019] Explanation of reference numerals in the accompanying drawings: A. Front traction working area; B. Rear traction working area; 1. First traction assembly; 11. Connecting seat; 12. Second slide rail; 131. Drive motor; 132. First synchronous pulley; 133. Synchronous belt; 134. Lead screw; 135. Second synchronous pulley; 136. Slide block; 14. Base; 16. First slide rail; 171. Sliding element; 172. Groove; 173. Second gripper; 174. First gripper; 175. First rolling element; 176. Second rolling element ; 177, Driver; 178, Elastic element; 179a, First connecting block; 179b, Second connecting block; 1791, Boss; 2, Second traction assembly; 21, Pushing element; 211, Inclined groove; 22, Connecting strip; 221, Strip-shaped through groove; 23, Third gripper; 24, Fourth gripper; 25, Driver; 3, Third traction assembly; 4, Fourth traction assembly; 5a, First linear module; 5b, Second linear module; 6, First station; 7, Second station; 8, Third station. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0021] For reference Figure 1 and Figure 2 As shown, in one embodiment of this utility model, a welding wire pulling device is disclosed, comprising, A front traction mechanism is provided in the front traction working area A. The front traction mechanism includes a first traction component 1 and a second traction component 2 for traction of welding wire. The front traction working area A is provided with a first station 6 and a second station 7. A rear traction mechanism is provided in the rear traction working area B. The rear traction mechanism includes a third traction component 3 and a fourth traction component 4 for traction of welding wire. The second station 7 is provided in the overlapping area of ​​the rear traction working area B and the front traction working area A. The rear traction working area B is provided with a third station 8. The moving mechanism drives the first traction component 1 and the second traction component 2 to reciprocate between the first workstation 6 and the second workstation 7. The moving mechanism also drives the third traction component 3 and the fourth traction component 4 to reciprocate between the second workstation 7 and the third workstation 8.

[0022] The welding wire traction device described in this embodiment uses the first traction component 1 and the third traction component 3 as one traction unit, and the second traction component 2 and the fourth traction component 4 as another traction unit to alternately traction and tighten the welding wire. When the current unit completes the welding wire handover or tightening, the next unit has already completed the traction preparation work. The alternating cyclic working mode realizes the continuity of the welding wire traction and tightening process, thereby reducing the idle time of the equipment and significantly improving the overall production cycle. The second station 7 is set in the overlapping area of ​​the front and rear traction working areas B. Under the push of the moving mechanism, the front and rear traction mechanisms hand over the welding wire at the second station 7. This design enables the front traction mechanism and the rear traction mechanism to be seamlessly connected and work in sequence, further accelerating the equipment production cycle.

[0023] For reference Figure 1 As shown, in one embodiment of this utility model, the moving mechanism includes a first linear module 5a and a second linear module 5b, each equipped with two slides. The first traction component 1 and the third traction component 3 are respectively disposed on the two slides of the first linear module 5a, and the second traction component 2 and the fourth traction component 4 are respectively disposed on the two slides of the second linear module 5b. The linear movement of the traction components is achieved by the linear movement of the slides, ensuring the stability and alignment accuracy of the welding wire traction. The movement path of the slide of the first linear module 5a is parallel to the movement path of the slide of the second linear module 5b. Furthermore, the slides of the first linear module 5a and the slides of the second linear module 5b move along the Y-axis direction.

[0024] For reference Figure 2 As shown, in one embodiment of the present invention, the first linear module 5a and the second linear module 5b are preferably equipped with two linear motors with independently controllable slides.

[0025] For reference Figure 3 and Figure 4 As shown, in one embodiment of this utility model, the first traction component 1, the second traction component 2, the third traction component 3, and the fourth traction component 4 each include a base 14, a clamping component disposed on the base 14, and a lifting component for driving the base 14 to rise and fall. The clamping component is used to clamp the welding wire, and the lifting component is used to achieve avoidance between the two clamping components. For example, when the first traction component 1 pulls the welding wire to the second station 7, the lifting component drives the clamping component to rise or fall, so that the clamping component and the clamping component of the second traction component 2 located at the second station 7 form a height difference, thereby avoiding interference.

[0026] For reference Figure 2As shown, in one embodiment of the present invention, the clamping components located in the first traction component 1, the second traction component 2, the third traction component 3, and the fourth traction component 4 are arranged facing each other along the first direction (Y-axis direction), which ensures that the welding wire remains in a straight line during clamping and traction, and reduces the risk of the welding wire bending or deviating.

[0027] In one embodiment of the present invention, the first traction component 1 and the second traction component 2 have the same structure, and the third traction component 3 and the fourth traction component 4 have the same structure.

[0028] For reference Figure 4 As shown, in one embodiment of this utility model, the clamping assembly includes two types: a first clamping jaw assembly and a second clamping jaw assembly. The first or second clamping jaw assembly is then installed onto the base 14 according to the actual working conditions. The first clamping jaw assembly includes a sliding member 171 and multiple first clamping units composed of paired first clamping jaws 174 and second clamping jaws 173. These multiple first clamping units are arrayed along the second direction (Y-axis direction). The sliding member 171 is arrayed with multiple grooves 172 along the second direction. The number of grooves 172 corresponds to the number of second clamping jaws 174 and 173. The number of 3 is consistent, wherein the first gripper 174 is fixedly connected to the base 14, the second gripper 173 is rotatably connected to the base 14, and the gripping arm of each second gripper 173 extends into a groove 172 respectively. The sliding member 171 is configured to reciprocate along the second direction. Since the gripping arm of the second gripper 173 is located in the groove 172, the sliding member 171 can push multiple second grippers 173 to rotate back and forth synchronously with only one action, thereby realizing the opening and closing of the first gripper 174 and the second gripper 173 of multiple first clamping units.

[0029] For reference Figure 4As shown, in one embodiment of this utility model, the clamping assembly includes a jaw drive assembly. The jaw drive assembly includes two drive units consisting of a driver 177, a sloping push block (not shown) connected to a piston of the driver, two rolling elements arranged opposite each other, and an elastic element 178. The two drive units ensure the stability of the clamping force of the first clamping unit. The two rolling elements are rotatably connected to the base 14 and the slider 171, respectively. The two rolling elements are distributed along a second direction. The elastic element 178 connects the base 14 and the slider 171. The sloping push block has a sloping surface. The sloping push block is configured to be pushed by the driver 177 into the space between the two rolling elements along a first direction, and to push the rolling elements connected to the slider 171 along the second direction by the sloping surface, thereby moving the slider 171 along the second direction. After the slider 171 moves, it pushes the clamping arm of the second jaw 173.

[0030] For reference Figure 5 As shown, the first gripper assembly further includes a first connecting block 179a and a second connecting block 179b. The first connecting block 179a is fixedly connected to the sliding member 171 and is also slidably connected to the first slide rail 16 via a slider. The first connecting block 179a is provided with a boss 1791 for the second rolling member 176 to connect to. The second connecting block 179b is fixedly connected to the base 14, and the first connecting block 179a and the second connecting block 179b are connected by an elastic element 178.

[0031] For reference Figure 4 As shown, the rolling element connected to the base 14 is further designated as the second rolling element 176, and the rolling element connected to the slider 171 is designated as the first rolling element 175. The first rolling element 175 and the second rolling element 176 are preferably ball bearings or cam roller bearings.

[0032] For reference Figure 4 and Figure 5 As shown, in one embodiment of the present invention, the first gripper assembly further includes a first slide rail 16 extending along the second direction. The first slide rail 16 is disposed on the base 14, and the sliding member 171 is slidably connected to the first slide rail 16. The first slide rail 16 is used to ensure that the sliding member 171 moves smoothly and accurately.

[0033] For reference Figure 4As shown, in one embodiment of this utility model, the second gripper assembly includes a pusher 21, a driver 25 that drives the pusher 21 to move along the first direction, and a plurality of second clamping units composed of paired third grippers 23 and fourth grippers 24. The pusher 21 is provided with a plurality of inclined grooves 211 arranged in an array along the second direction. The inclined grooves are composed of two inclined grooves in a "V" shape. The third grippers 23 and the fourth grippers 24 are both rotatably connected to the base 14, and the gripping arms of the third grippers 23 and the fourth grippers 24 are connected to each other. The gripping arms of the claws 24 all extend into the inclined groove 211. The pusher 21 is configured to move along the first direction so that the gripping arms of the third claw 23 and the fourth claw 24 can be embedded in the inclined groove 211. During the process, the gripping arms of the third claw 23 and the fourth claw 24 are gradually pushed closer to each other by the thrust from the gradually narrowing inclined surfaces on both sides of the inclined groove 211. Therefore, the pusher 21 can push the third claws 23 and the fourth claws 24 of the multiple second gripping units to open with just one action.

[0034] In one embodiment of the present invention, the gripper assembly located in the first traction component 1 and the second traction component 2 is configured as the first gripper assembly, and the gripper assembly located in the third traction component 3 and the fourth traction component 4 is configured as the second gripper assembly.

[0035] For reference Figure 4 As shown, in one embodiment of the present invention, the second gripper assembly includes a connecting strip 22 with a strip-shaped through groove 221. The connecting strip 22 is detachably connected to the base 14. The strip-shaped through groove 221 is provided with a rotating shaft. The third gripper 23 and the fourth gripper 24 are both rotatably connected to the rotating shaft and pass through the strip-shaped through groove 221. The function of the connecting strip 22 is to facilitate the quick installation and removal of the third gripper 23 and the fourth gripper 24.

[0036] For reference Figure 3 and Figure 4 As shown, in one embodiment of the present invention, the first traction component 1, the second traction component 2, the third traction component 3, and the fourth traction component 4 all include a connecting seat 11. The connecting seat 11 is provided with a second slide rail 12 extending in the vertical direction, and the base 14 is slidably connected to the second slide rail 12.

[0037] In one embodiment of this utility model, there are 16 first clamping units and 16 second clamping units, and each traction component can simultaneously pull and tighten 16 welding wires each time.

[0038] For reference Figure 1 As shown, in one embodiment of this utility model, the connecting seat 11 is fixedly connected to the slide.

[0039] For reference Figure 3 and Figure 4 As shown, in one embodiment of this utility model, the lifting assembly includes a drive motor 131, a first synchronous pulley 132, a second synchronous pulley 135, a synchronous belt 133, a slide block 136, and a lead screw 134. The slide block 136 is slidably connected to the second slide rail 12, and the lead screw 134 is rotatably connected to the connecting seat 11. The lead screw 134 is threadedly connected to the slide block 136. The synchronous belt 133 meshes with the first synchronous pulley 132 and the second synchronous pulley 135. The first synchronous pulley 132 is connected to the shaft of the drive motor 131, and the second synchronous pulley 135 is connected to the lead screw 134. The working principle is that the shaft of the drive motor 131 drives the first synchronous pulley 132 to rotate, the first synchronous pulley 132 drives the second synchronous pulley 135 to rotate through the synchronous belt 133, and the second synchronous pulley 135 drives the lead screw 134 to rotate. The lead screw 134 converts the rotation into linear movement of the slide block 136, thereby realizing the lifting of the base 14.

[0040] In one embodiment of the present invention, an elastic element is connected between the clamping arm of the third clamp 23 and the clamping arm of the fourth clamp 24. When the clamping arm of the third clamp 23 and the clamping arm of the fourth clamp 24 exit the inclined groove 211, the elastic element is used to push the third clamp 23 and the fourth clamp 24 to close and reset.

[0041] In one embodiment of the present invention, the elastic element is preferably a spring, and the actuator 177 and actuator 25 are preferably cylinders.

[0042] The working principle of the welding wire traction device described in this utility model is as follows: After the wire feeding mechanism releases the welding wire, the first traction component 1, which waits at the first station 6, clamps one end of the welding wire using a clamping component. Then, the first traction component 1 moves to the second station 7, while the second traction component 2 moves from the second station 7 to the first station 6. After the first traction component 1 moves to the second station 7, it hands over the welding wire to the third traction component 3, which waits at the second station 7. The third traction component 3 clamps the first end of the welding wire using a clamping component, while the second traction component 2 clamps the tail end of the welding wire using a clamping component, thus tightening the welding wire. The cutting mechanism cuts off the first section of the tightened welding wire. Then, the third traction component 3 moves to the third station 8, and the first section of the welding wire is pulled to the third station 8 and then transferred to the conveying mechanism to flow to the next station.

[0043] Simultaneously, the fourth traction component 4 moves from the third station 8 to the second station 7, and the second traction component 2 moves to the second station 7 to hand over the welding wire to the fourth traction component 4 waiting at the second station 7. At the same time, the first traction component 1 moves from the second station 7 to the first station 6. The fourth traction component 4 uses the clamping component to clamp the beginning of the welding wire, while the first traction component 1 uses the clamping component to clamp the end of the welding wire, thus tightening the welding wire. The cutting mechanism cuts off the tightened second welding wire. Then, the fourth traction component 4 moves to the third station 8, and the second section of welding wire is pulled to the third station 8 and then transferred to the conveying mechanism to flow to the next station, thus repeating the cycle.

[0044] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A welding wire traction device, characterized in that, include, A front traction mechanism is provided in the front traction working area. The front traction mechanism includes a first traction component and a second traction component for traction of welding wire. The front traction working area is provided with a first station and a second station. A rear traction mechanism is provided in the rear traction working area. The rear traction mechanism includes a third traction component and a fourth traction component for traction welding wire. The second station is provided in the overlapping area of ​​the rear traction working area and the front traction working area. The rear traction working area is provided with a third station. The moving mechanism drives the first traction component and the second traction component to reciprocate between the first workstation and the second workstation, and the moving mechanism also drives the third traction component and the fourth traction component to reciprocate between the second workstation and the third workstation.

2. The welding wire traction device according to claim 1, characterized in that, The moving mechanism includes a first linear module and a second linear module, each equipped with two slides. The first traction component and the third traction component are respectively disposed on the two slides of the first linear module, and the second traction component and the fourth traction component are respectively disposed on the two slides of the second linear module. The moving path of the slides of the first linear module is parallel to the moving path of the slides of the second linear module.

3. The welding wire traction device according to claim 1, characterized in that, The first traction assembly, the second traction assembly, the third traction assembly, and the fourth traction assembly each include a base, a clamping assembly disposed on the base, and a lifting assembly for driving the base to rise and fall. The clamping assembly is used to clamp the welding wire.

4. The welding wire traction device according to claim 3, characterized in that, The clamping components located in the first traction assembly, the second traction assembly, the third traction assembly, and the fourth traction assembly are arranged facing each other along a first direction.

5. The welding wire traction device according to claim 3, characterized in that, The clamping assembly includes a first gripper assembly, which includes a slider and a plurality of first clamping units consisting of pairs of first and second grippers. The slider is provided with a plurality of grooves arranged in an array along a second direction, and the plurality of first clamping units are distributed in an array along the second direction. The first grippers are connected to the base, and the second grippers are rotatably connected to the base with their gripping arms extending into the grooves. The slider is configured to reciprocate along the second direction and push the plurality of second grippers to rotate.

6. The welding wire pulling device according to claim 5, characterized in that, The clamping assembly includes a gripper drive assembly, which includes two drive units consisting of a driver, an inclined push block, two opposing rolling elements, and an elastic element. The two rolling elements are rotatably connected to the base and the slider, respectively. The elastic element connects the base and the slider. The inclined push block is configured to be pushed by the driver between the two rolling elements to push the rolling element connected to the slider to move along the second direction.

7. A welding wire traction device according to claim 6, characterized in that, The first gripper assembly further includes a first slide rail extending along the second direction, and the slider is slidably connected to the first slide rail.

8. A welding wire traction device according to claim 5, characterized in that, The clamping assembly further includes a second clamping jaw assembly, which includes a pusher, a driver for driving the pusher to move along the first direction, and a plurality of second clamping units composed of pairs of third and fourth clamping jaws. The pusher is provided with a plurality of inclined grooves arranged in an array along the second direction. The third and fourth clamping jaws are rotatably connected to the base, and the clamping arms of the third and fourth clamping jaws extend into the inclined grooves. The pusher is configured to move along the first direction such that the clamping arms of the third and fourth clamping jaws are embedded in the inclined grooves and push the third and fourth clamping jaws to open.

9. A welding wire traction device according to claim 8, characterized in that, The second gripper assembly includes a connecting strip with a slotted groove, the connecting strip being detachably connected to the base, and the third and fourth grippers being rotatably connected to the connecting strip and passing through the slotted groove.

10. A welding wire traction device according to claim 3, characterized in that, The first traction assembly, the second traction assembly, the third traction assembly, and the fourth traction assembly all include a connecting seat, the connecting seat being provided with a second slide rail extending in a vertical direction, and the base being slidably connected to the second slide rail.

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