CN216917974U

CN216917974U - Weld and take draw gear and stringer

Info

Publication number: CN216917974U
Application number: CN202121444196.5U
Authority: CN
Inventors: 黄升云
Original assignee: Jiangsu Chuangyuan Electron Co Ltd
Current assignee: Jiangsu Chuangyuan Electron Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-07-08
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a solder strip traction device and a series welding machine, and belongs to the technical field of series welding of solar cells. Weld and take draw gear includes drive mechanism, and drive mechanism includes the centre gripping subassembly, and the centre gripping subassembly includes centre gripping drive structure, at least one first clamping jaw, at least one second clamping jaw and first elastic component, and the middle part of first clamping jaw is rotated through the pivot and is connected in centre gripping drive structure. At least one second jaw is connected to the clamp drive structure, each first jaw and an adjacent one of the second jaws forming a set of jaw sets. First elastic component one end is connected in first clamping jaw, and the other end is connected in centre gripping drive structure, all is provided with first elastic component between the first clamping jaw of every clamping jaw group and the second clamping jaw. The clamping driving structure drives the first clamping jaw and the second clamping jaw in the same group to clamp or loosen the welding strip. When the first clamping jaw rotates around the rotating shaft, the clamping part of the first clamping jaw can be close to or far away from the clamping part of the second clamping jaw. The utility model is suitable for clamping welding strips with different diameters.

Description

Weld and take draw gear and stringer

Technical Field

The utility model relates to the technical field of series welding of solar cells, in particular to a welding strip traction device and a series welding machine.

Background

The series welding process of the solar cells is an important process in the production process of the solar cell panel, and the solar cells are welded into a cell string by using a welding strip, wherein one surface of each cell is a positive electrode, and the other surface of each cell is a negative electrode, and the welding strips are generally respectively welded to the positive electrode of the previous cell and the negative electrode of the next cell, so that the series-welded solar cell strings can be connected in series.

In the series welding process, the welding strip needs to be pulled out from the welding strip disc, stretched and cut into a preset length, then the welding strip is pulled to cover the main grid line on the battery piece by the pulling device, and then the welding strip and the battery piece are welded together. Every clamping jaw of draw gear all presss from both sides in step and gets or loosen and weld the area, when leading to pressing from both sides to get a plurality of solder strips, if weld the diameter of taking to differ, the back is looser is got to the little solder strip clamp of diameter, drops easily.

SUMMERY OF THE UTILITY MODEL

One object of the present invention is to provide a solder strip pulling apparatus, which can be adapted to clamp solder strips of different diameters, and improve the stability of clamping the solder strips.

The utility model also aims to provide the series welding machine, and the stability of clamping the welding strip can be improved by arranging the welding strip traction device, so that the welding efficiency of the welding strip and the battery piece can be improved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a weld strip draw gear, includes drive mechanism, drive mechanism includes the clamping component, the clamping component includes:

a clamping drive structure;

the middle part of the first clamping jaw is rotationally connected to the clamping driving structure through a rotating shaft;

at least one second jaw connected to said clamp drive structure, each of said first jaws and an adjacent one of said second jaws forming a set of jaws;

one end of the first elastic piece is connected to the first clamping jaw, the other end of the first elastic piece is connected to the clamping driving structure, and the first elastic piece is arranged between the first clamping jaw and the second clamping jaw of each clamping jaw group;

the clamping driving structure can drive the first clamping jaw and the second clamping jaw in the same group to clamp or release the welding strip; when the first clamping jaw rotates around the rotating shaft, the clamping part of the first clamping jaw can be close to or far away from the clamping part of the second clamping jaw.

Optionally, the clamp driving structure comprises:

a mount having a mounting cavity;

the first connecting piece and the first clamping driving piece are arranged in the installation cavity, the first connecting piece is connected to the installation piece in a sliding mode, the first connecting piece is connected to the output end of the first clamping driving piece, and the first clamping jaw is connected to the first connecting piece; and

the second connecting piece and the second clamping driving piece are arranged in the mounting cavity, the second connecting piece is connected to the mounting piece in a sliding mode, the second connecting piece is connected to the output end of the second clamping driving piece, and the second clamping jaw is connected to the second connecting piece;

the first clamping driving piece and the second clamping driving piece can drive the first connecting piece and the second connecting piece to move towards opposite directions so as to enable the first clamping jaw and the second clamping jaw to approach or move away from each other.

Optionally, the first connecting element includes a first connecting plate and a first mounting plate, the first connecting plate is connected to the first clamping driving element, the first mounting plate is connected to the first connecting plate, the first mounting plate is slidably connected to the mounting element, the first mounting plate is provided with mounting grooves at intervals along an arrangement direction of the first clamping jaws, each first clamping jaw is arranged in one of the mounting grooves, one end of the first elastic element is connected to the first clamping jaw, and the other end of the first elastic element is connected to an inner wall of the mounting groove;

the second connecting piece includes second connecting plate and second mounting panel, the second connecting plate connect in the second centre gripping driving piece, the second mounting panel connect in the second connecting plate, the second mounting panel sliding connection in the installed part.

Optionally, the first connecting piece further comprises a pressing plate, the pressing plate is connected to the first mounting plate, each mounting groove corresponds to the pressing plate, and the first clamping jaw is rotatably connected to the pressing plate.

Optionally, the clamping driving structure further includes a synchronous driving structure, the synchronous driving structure is disposed in the installation cavity, and the synchronous driving structure can enable the first connecting piece and the second connecting piece to move synchronously.

Optionally, the synchronous drive structure comprises:

the synchronous driving piece is arranged in the mounting cavity;

the driving block is connected to the execution end of the synchronous driving piece; and

the two rollers are connected with one first connecting piece and the other second connecting piece, the driving block is positioned between the two rollers, and two side surfaces of the driving block are abutted against the rollers;

when the synchronous driving piece drives the driving block to move, the first connecting piece and the second connecting piece can be driven to be away from each other through the roller.

Optionally, the synchronous driving structure further includes a second elastic member, one end of the second elastic member is connected to the first connecting member, the other end of the second elastic member is connected to the second connecting member, and the second elastic member is disposed between the first connecting member and the second connecting member.

Optionally, still include the frame, be provided with one respectively along welding strip direction of delivery's both sides traction mechanism, traction mechanism still includes drive assembly, drive assembly connect in the frame, clamping component connect in drive assembly's execution end, drive assembly can drive clamping component is along being on a parallel with welding strip direction of delivery and vertical direction remove.

Optionally, when the two clamping assemblies are respectively at the highest position, one of the two clamping assemblies is arranged above the other clamping assembly.

A stringer comprises the welding strip traction device.

The utility model has the beneficial effects that:

the solder strip traction device comprises a traction mechanism, wherein the traction mechanism comprises a clamping assembly, the clamping assembly comprises a clamping driving structure, at least one first clamping jaw, at least one second clamping jaw and a first elastic piece, the middle part of the first clamping jaw is rotatably connected to the clamping driving structure through a rotating shaft, the at least one second clamping jaw is connected to the clamping driving structure, and each first clamping jaw and an adjacent second clamping jaw form a group of clamping jaw groups. First elastic component one end is connected in first clamping jaw, the other end is connected in centre gripping drive structure, all be provided with first elastic component between the first clamping jaw of every clamping jaw group and the second clamping jaw, distance between the clamping part of first clamping jaw and the clamping part of second clamping jaw can realize adjusting through rotating first clamping jaw, be provided with first elastic component between first clamping jaw and the second clamping jaw, can make first clamping jaw and second clamping jaw press from both sides tight the welding strip under the spring action of first elastic component, when being close to the centre gripping welding strip each other through first clamping jaw of centre gripping drive structure drive and second clamping jaw, can carry out the distance between the clamping part of adaptability regulation first clamping jaw and the clamping part of second clamping jaw according to the diameter of welding strip, thereby can realize the centre gripping to the welding strip of different diameters, improve the stability that the centre gripping welded strip.

According to the series welding machine, the welding strip traction device is arranged, so that the stability of clamping the welding strip can be improved, and the welding efficiency of the welding strip and the battery piece can be improved.

Drawings

FIG. 1 is a perspective view of a first perspective of a weld bead pulling apparatus according to an embodiment of the present invention;

FIG. 2 is a perspective view of a second perspective view of a weld strip pulling apparatus according to an embodiment of the present invention;

FIG. 3 is a perspective view of a clamping assembly provided by an embodiment of the present invention;

FIG. 4 is a perspective view of the clamping assembly of the present invention with one side cover plate of the mounting member removed;

FIG. 5 is an enlarged view at A in FIG. 4;

figure 6 is a perspective view of the clamping assembly of the present invention with one side cover plate, the first connector plate and the first jaw removed from the mount.

In the figure:

1. a frame;

2. a traction mechanism; 21. a drive assembly; 211. a first linear drive structure; 2111. a pulley; 2112. a drive belt; 2113. a rotary drive member; 212. a second linear drive structure; 2121. erecting a frame; 2122. a linear drive; 22. a clamping assembly; 221. a clamping drive structure; 2211. a mounting member; 22111. a mounting cavity; 2212. a first connecting member; 22121. a first connecting plate; 22122. a first mounting plate; 221221, mounting grooves; 22123. pressing a plate; 221231, arc-shaped bulge; 2213. a first clamping driving member; 2214. a second connecting member; 22141. a second connecting plate; 22142. a second mounting plate; 2215. a second clamp drive; 2216. a synchronous drive structure; 22161. a synchronous drive; 22162. a drive block; 22163. a roller; 22164. a second elastic member; 2217. a second limiting block; 222. a first jaw; 2221. a boss; 22211. an arc-shaped slot; 223. a second jaw; 224. a first elastic member.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings of fig. 1-6.

The embodiment provides a series welding machine, and the series welding machine comprises a welding strip traction device. And drawing the welding strip from the welding strip disc, stretching and cutting the welding strip into a preset length, drawing the welding strip to a main grid line covering the battery piece by using a welding strip drawing device, and welding the welding strip and the battery piece together by using a heating welding device.

As shown in fig. 1 to 3, the solder strip pulling apparatus includes a pulling mechanism 2, the pulling mechanism 2 includes a clamping assembly 22, the clamping assembly 22 includes a clamping driving structure 221, at least one first clamping jaw 222, at least one second clamping jaw 223 and a first elastic member 224, and a middle portion of the first clamping jaw 222 is rotatably connected to the clamping driving structure 221 through a rotating shaft. At least one second jaw 223 is connected to the clamp drive structure 221, each first jaw 222 and an adjacent one of the second jaws 223 forming a set of jaw sets. The first elastic member 224 is connected to the first jaw 222 at one end and connected to the clamping driving structure 221 at the other end, and the first elastic member 224 is disposed between the first jaw 222 and the second jaw 223 of each jaw set. Wherein the clamping driving mechanism 221 can drive the first clamping jaw 222 and the second clamping jaw 223 in the same group to clamp or release the welding strip. When the first jaw 222 rotates about the rotation axis, the clamping portion of the first jaw 222 can approach or separate from the clamping portion of the second jaw 223.

In this embodiment, the distance between the clamping part of the first clamping jaw 222 and the clamping part of the second clamping jaw 223 can be adjusted by rotating the first clamping jaw 222, a first elastic member 224 is arranged between the first clamping jaw 222 and the second clamping jaw 223, the first clamping jaw 222 and the second clamping jaw 223 can clamp the welding strip under the elastic action of the first elastic member 224, when the first clamping jaw 222 and the second clamping jaw 223 are driven to approach the clamping welding strip through the clamping driving structure 221, the distance between the clamping part of the first clamping jaw 222 and the clamping part of the second clamping jaw 223 can be adjusted adaptively according to the diameter of the welding strip, so that clamping of welding strips with different diameters can be realized, and the stability of clamping the welding strip is improved.

Further, first clamping jaw 222 and second clamping jaw 223 are respectively vertically connected in centre gripping drive structure 221, can guarantee to weld the area and be in the intermediate position of first clamping jaw 222 and second clamping jaw 223 to be favorable to welding the accurate positioning in area, and then can improve the welding quality who welds area and battery piece.

As shown in fig. 4-6, the clamp drive mechanism 221 includes a mounting member 2211, a first connector 2212, a first clamp drive 2213, a second connector 2214, and a second clamp drive 2215, the mounting member 2211 having a mounting cavity 22111. The first connector 2212 and the first clamping driver 2213 are disposed in the mounting cavity 22111, the first connector 2212 is slidably connected to the mounting member 2211, the first connector 2212 is connected to the output end of the first clamping driver 2213, and the first clamping jaw 222 is connected to the first connector 2212. A second connector 2214 and a second clamp drive 2215 are disposed in the mounting cavity 22111, the second connector 2214 is slidably connected to the mounting member 2211, the second connector 2214 is connected to the output end of the second clamp drive 2215, and the second clamp jaw 223 is connected to the second connector 2214. Wherein the first and second clamp drives 2213 and 2215 can drive the first and second connectors 2212 and 2214 to move in opposite directions to move the first and

second jaws

222 and 223 toward and away from each other. It can be understood that the first clamping driving member 2213 drives the first connecting member 2212 to move, so that the first clamping jaw 222 can be driven to move by the first connecting member 2212, the second clamping driving member 2215 can drive the second connecting member 2214 to move, so that the second clamping jaw 223 is driven to move by the second connecting member 2214, so that the first clamping jaw 222 and the second clamping jaw 223 can approach or move away from each other to clamp or release the welding strip. In some alternative embodiments, the first and second clamp drives 2213 and 2215 are both air cylinders. Of course, in other embodiments, the first and second clamp drives 2213 and 2215 may be provided in other forms as well, and are not limited herein. In detail, the mounting member 2211 is provided with a groove, and the groove and the cover plate detachably connected to the groove form a mounting cavity 22111.

Further, the first and second connectors 2212 and 2214 are slidably connected to the mounting member 2211 by sliding rails. In detail, the mounting part 2211 is provided with a slide rail, the first connector 2212 and the second connector 2214 are connected to different slide blocks on the slide rail, so that the first connector 2212 and the second connector 2214 can stably move along the mounting part 2211, and the first clamping jaw 222 and the second clamping jaw 223 can stably clamp the welding strip.

Further, as shown in fig. 4, the first connector 2212 includes a first connector 22121 and a first mounting plate 22122, the first connector 22121 is connected to the first clamping driving member 2213, the first mounting plate 22122 is connected to the first connector 22121, the first mounting plate 22122 is slidably connected to the mounting member 2211, the first mounting plate 22122 is provided with mounting slots 221221 at intervals along the arrangement direction of the first jaws 222, each of the first jaws 222 is disposed in one of the mounting slots 221221, one end of the first elastic member 224 is connected to the first jaw 222, the other end of the first elastic member is connected to the inner wall of the mounting slot 221221, and the mounting slot 221221 is disposed to facilitate the mounting of the first elastic member 224 and the first jaw 222.

Further, the second connector 2214 includes a second connector plate 22141 and a second mounting plate 22142, the second connector plate 22141 is connected to the second clamp drive 2215, the second mounting plate 22142 is connected to the second connector plate 22141, and the second mounting plate 22142 is slidably connected to the mount 2211. In the present embodiment, the second clamping jaw 223 and the second mounting plate 22142 are preferably integrally formed, which can facilitate the processing of the second clamping jaw 223 and eliminate the process of separately mounting the second clamping jaw 223.

In particular, the first connector 2212 further comprises a pressing plate 22123, the pressing plate 22123 is connected to the first mounting plate 22122, each mounting slot 221221 corresponds to the pressing plate 22123, and the first clamping jaw 222 is rotatably connected to the pressing plate 22123. In detail, the rotating shaft is connected to the pressing plate 22123, and the pressing plate 22123 is rotatably connected to the rotating shaft. One side of first clamping jaw 222 is provided with boss 2221, has seted up arc wall 22211 on the boss 2221, corresponds every arc wall 22211 on the clamp plate 22123 and is provided with arc arch 221231, and arc wall 22211 joint is in arc wall 22211, and when first clamping jaw 222 rotated, arc wall 22211 can slide around arc arch 221231, is favorable to making first clamping jaw 222 steadily rotate, and then steadily the centre gripping welds the area.

To enable the first jaw 222 and the second jaw 223 to move synchronously, as shown in fig. 4 and 6, the clamping driving structure 221 further includes a synchronous driving structure 2216, the synchronous driving structure 2216 is disposed in the installation cavity 22111, and the synchronous driving structure 2216 enables the first connecting piece 2212 and the second connecting piece 2214 to move synchronously.

Further, the synchronization driving structure 2216 includes a synchronization driving member 22161, a driving block 22162, and two rollers 22163, and the synchronization driving member 22161 is disposed in the installation cavity 22111. The drive block 22162 is connected to the actuation end of the synchronous drive 22161. One roller 22163 is connected to the first connector 2212, the other roller 22163 is connected to the second connector 2214, the driving block 22162 is located between the two rollers 22163, and both sides of the driving block 22162 are abutted against the rollers 22163. When the synchronous driving member 22161 drives the driving block 22162 to move, the first connecting member 2212 and the second connecting member 2214 can be driven away from each other by the roller 22163. In detail, both sides of the driving block 22162 facing the rollers 22163 are provided with slopes, each slope abuts against one of the rollers 22163, and the two rollers 22163 are driven to approach or move away from each other by cooperation of the slopes and the rollers 22163. In some alternative embodiments, the timing drive 22161 is a pneumatic cylinder.

Preferably, in this embodiment, the synchronous driving structure 2216 further comprises a second elastic member 22164, one end of the second elastic member 22164 is connected to the first connector 2212, the other end is connected to the second connector 2214, and the second elastic member 22164 is disposed between the first connector 2212 and the second connector 2214. The first and second

clamping driving members

2213 and 2215 drive the first and second connecting members 2212 and 2214 to be away from each other, so as to drive the first and

second jaws

222 and 223 to approach each other, and the synchronous driving member 22161 drives the driving block 22162 to drive the two rollers 22163 to be away from each other, so as to enable the first and second connecting members 2212 and 2214 to move synchronously, and the clamping positions of the first and

second jaws

222 and 223 are not deviated to one side. The first and

second clamp drivers

2213 and 2215 drive the first and second connectors 2212 and 2214 to approach each other, and the first and second connectors 2212 and 2214 can be reset synchronously under the pulling of the elastic force of the second elastic member 22164. The second elastic member 22164 is a spring.

Further, the clamping driving structure 221 further includes a first stopper and a second stopper 2217. The first limiting block is arranged in the installation cavity 22111 and is located at one side of the first connecting piece 2212 to limit the first connecting piece 2212; the second stopper 2217 is disposed in the mounting cavity 22111 and is located at one side of the second connecting member 2214 to limit the second connecting member 2214. The first connecting piece 2212 and the second connecting piece 2214 of the second connecting plate 22141 are respectively limited by the first limiting block and the second limiting block 2217, so that the clamping force of the first clamping jaw 222 and the second clamping jaw 223 can be ensured within a certain range, and the damage to the welding strip when the first clamping jaw 222 and the second clamping jaw 223 clamp the welding strip can be reduced.

As shown in fig. 1 and fig. 2, the solder strip traction apparatus in this embodiment further includes a frame 1, two traction mechanisms 2 are respectively disposed on two sides of the solder strip in the conveying direction, and the solder strip can be alternatively pulled by the two traction mechanisms 2, so that the efficiency of pulling the solder strip can be improved.

The traction mechanism 2 further comprises a driving assembly 21, the driving assembly 21 is connected to the frame 1, the clamping assembly 22 is connected to an execution end of the driving assembly 21, and the driving assembly 21 can drive the clamping assembly 22 to move along a direction parallel to the conveying direction of the welding strip and a vertical direction. The clamping assembly 22 can be driven by the drive assembly 21 to move to a position for clamping the solder strip.

In order to avoid that the two pulling mechanisms 2 interfere with each other during the process of pulling the welding strip, when the two clamping assemblies 22 are respectively at the highest position, one of the two clamping assemblies 22 is arranged above the other. In detail, when the driving assembly 21 drives the clamping assembly 22 to move, the clamping assembly 22 is driven to move along the conveying direction parallel to the solder strip, and when the welding strip moves to the traction position corresponding to the solder strip, the clamping assembly 22 is driven to move vertically downwards, the clamping assembly 22 clamps the solder strip, and drives the clamping assembly 22 to horizontally pull the solder strip to move, and after the solder strip is pulled to the proper position, the clamping assembly 22 is driven to ascend.

As shown in fig. 2, the driving assembly 21 includes a first linear driving structure 211 and a second linear driving structure 212, and the first linear driving structure 211 is connected to the frame 1. The second linear driving structure 212 is connected to the executing end of the first linear driving structure 211, the first linear driving structure 211 can drive the second linear driving structure 212 to move along the direction parallel to the conveying direction of the solder strip, the clamping assembly 22 is connected to the executing end of the second linear driving structure 212, and the second linear driving structure 212 can drive the clamping assembly 22 to move along the vertical direction.

Further, as shown in fig. 2, the second linear driving structure 212 is slidably connected to the frame 1, the first linear driving structure 211 includes a pulley 2111, a driving belt 2112 and a rotary driving member 2113, and two pulleys 2111 are rotatably arranged on the frame 1 at intervals along the conveying direction of the welding strip. In detail, the pulley 2111 is rotatably connected to the frame 1 by a rotating shaft inserted into the pulley 2111. A drive belt 2112 is wound around the two pulleys 2111, and the bottom end of the second linear drive structure 212 is connected to the drive belt 2112. The rotary driving member 2113 is provided to the frame 1, and the pulley 2111 is connected to the output end of the rotary driving member 2113. The driving belt 2112 is rotated by the rotation driving member 2113 driving the pulley 2111, and the driving belt 2112 moves the second linear driving mechanism 212. In some alternative embodiments, rotational drive 2113 is a motor. Of course, in other embodiments, the rotational drive 2113 may be provided in other forms, and is not limited herein.

As shown in fig. 1 and 2, the second linear drive mechanism includes an upright 2121, a clamping assembly 22 and a linear driving element 2122, and a bottom end of the upright 2121 is connected to an actuating end of the first linear drive structure 211. The clamping assembly 22 is vertically slidably connected to the stand 2121. In detail, the clamping assembly 22 is slidably connected to the upright 2121 by a slide rail. The linear drive 2122 is connected to the stand 2121 and the clamp assembly 22 is connected to the actuating end of the linear drive 2122. In some alternative embodiments, the linear drive 2122 is a pneumatic cylinder. Of course, in other embodiments, the linear drive 2122 can be provided in other forms, and is not limited herein.

In the embodiment, the number of the clamping assemblies 22 is preferably the same as that of the welding strips to be pulled, so that all the welding strips can be pulled at one time, and the pulling number of the welding strips is increased. Of course, in other embodiments, the number of clamping groups may be greater than the number of solder strips, as long as the solder strips can be pulled into place at one time.

When the welding strip traction device in the embodiment is used, the driving assembly 21 drives the clamping assembly 22 to move along the conveying direction parallel to the welding strip, when the welding strip traction device moves to the traction position corresponding to the welding strip, the clamping assembly 22 is driven to vertically move downwards, the clamping assembly 22 clamps the welding strip, the clamping assembly 22 is driven to horizontally pull the welding strip to move, and after the welding strip is pulled to the position, the clamping assembly 22 is driven to ascend. Through the setting of two drive mechanism 2, can pull the welding strip in turn to can improve the efficiency of pulling the welding strip. The distance between the clamping part of the first clamping jaw 222 and the clamping part of the second clamping jaw 223 can be adjusted by rotating the first clamping jaw 222, a first elastic piece 224 is arranged between the first clamping jaw 222 and the second clamping jaw 223, the first clamping jaw 222 and the second clamping jaw 223 can clamp a welding strip under the elastic action of the first elastic piece 224, when the first clamping jaw 222 and the second clamping jaw 223 are driven to be close to each other to clamp the welding strip through the clamping driving structure 221, the distance between the clamping part of the first clamping jaw 222 and the clamping part of the second clamping jaw 223 can be adjusted adaptively according to the diameter of the welding strip, so that clamping of welding strips with different diameters can be achieved, and the stability of clamping the welding strip is improved. The embodiment further drives the first clamping jaw 222 and the second clamping jaw 223 through the synchronous driving structure 2216 to move synchronously, so that the clamping position of the first clamping jaw 222 and the second clamping jaw 223 is prevented from deviating to one side, and the clamping stability is further improved.

The technical principles of the present invention have been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A weld strip pulling apparatus, comprising a pulling mechanism (2), the pulling mechanism (2) comprising a clamping assembly (22), the clamping assembly (22) comprising:

a clamp drive structure (221);

at least one first clamping jaw (222), wherein the middle part of the first clamping jaw (222) is rotatably connected to the clamping driving structure (221) through a rotating shaft;

at least one second jaw (223) connected to said clamp drive structure (221), each of said first jaws (222) and an adjacent one of said second jaws (223) forming a set of jaw sets;

a first elastic member (224), one end of which is connected to the first clamping jaw (222), and the other end of which is connected to the clamping driving structure (221), wherein the first elastic member (224) is arranged between the first clamping jaw (222) and the second clamping jaw (223) of each clamping jaw set;

wherein the clamping driving structure (221) can drive the first clamping jaw (222) and the second clamping jaw (223) in the same group to clamp or unclamp a welding strip; when the first clamping jaw (222) rotates around the rotating shaft, the clamping part of the first clamping jaw (222) can be close to or far away from the clamping part of the second clamping jaw (223).

2. Solder ribbon pulling apparatus according to claim 1, characterized in that the clamping drive structure (221) comprises:

a mount (2211), the mount (2211) having a mounting cavity (22111);

a first connector (2212) and a first clamp driver (2213) disposed within the mounting cavity (22111), the first connector (2212) slidably connected to the mounting member (2211), the first connector (2212) connected to an output of the first clamp driver (2213), the first jaw (222) connected to the first connector (2212); and

a second connector (2214) and a second clamp driver (2215) disposed within the mounting cavity (22111), the second connector (2214) slidably connected to the mounting member (2211), the second connector (2214) connected to an output end of the second clamp driver (2215), the second jaw (223) connected to the second connector (2214);

wherein the first and second clamp drives (2213, 2215) can drive the first and second connectors (2212, 2214) to move in opposite directions to move the first and second jaws (222, 223) toward or away from each other.

3. The solder strip pulling apparatus according to claim 2,

the first connecting piece (2212) comprises a first connecting plate (22121) and a first mounting plate (22122), the first connecting plate (22121) is connected to the first clamping driving piece (2213), the first mounting plate (22122) is connected to the first connecting plate (22121), the first mounting plate (22122) is slidably connected to the mounting piece (2211), the first mounting plate (22122) is provided with mounting grooves (221221) at intervals along the arrangement direction of the first clamping jaws (222), each first clamping jaw (222) is arranged in one mounting groove (221221), one end of the first elastic piece (224) is connected to the first clamping jaw (222), and the other end of the first elastic piece is connected to the inner wall of the mounting groove (221221);

the second connector (2214) includes a second connecting plate (22141) and a second mounting plate (22142), the second connecting plate (22141) is connected to the second clamp driver (2215), the second mounting plate (22142) is connected to the second connecting plate (22141), and the second mounting plate (22142) is slidably connected to the mounting member (2211).

4. The solder ribbon draw apparatus of claim 3, wherein the first connector (2212) further comprises a pressure plate (22123), the pressure plate (22123) is connected to the first mounting plate (22122), each mounting slot (221221) corresponds to the pressure plate (22123), and the first jaw (222) is rotatably connected to the pressure plate (22123).

5. The solder strip pulling apparatus as defined in claim 2, wherein the clamping driving structure (221) further comprises a synchronization driving structure (2216), the synchronization driving structure (2216) is disposed in the mounting cavity (22111), and the synchronization driving structure (2216) is capable of synchronously moving the first connector (2212) and the second connector (2214).

6. The strip draw apparatus as claimed in claim 5, wherein the synchronous drive arrangement (2216) comprises:

a timing drive (22161) disposed within the mounting cavity (22111);

a drive block (22162) connected to an actuation end of the synchronous drive (22161); and

two rollers (22163), one roller (22163) is connected to the first connector (2212), the other roller (22163) is connected to the second connector (2214), the driving block (22162) is located between the two rollers (22163), and both side surfaces of the driving block (22162) are abutted to the rollers (22163);

when the synchronous driving piece (22161) drives the driving block (22162) to move, the first connecting piece (2212) and the second connecting piece (2214) can be driven to be away from each other through the roller (22163).

7. The solder strip pulling apparatus as claimed in claim 6, wherein the synchronous driving structure (2216) further comprises a second elastic member (22164), one end of the second elastic member (22164) is connected to the first connector (2212), the other end is connected to the second connector (2214), and the second elastic member (22164) is disposed between the first connector (2212) and the second connector (2214).

8. The solder strip draw apparatus according to any one of claims 1 to 7, characterized by further comprising a frame (1), wherein one of the draw mechanisms (2) is disposed on each of two sides along a solder strip conveying direction, the draw mechanism (2) further comprises a driving assembly (21), the driving assembly (21) is connected to the frame (1), the clamping assembly (22) is connected to an execution end of the driving assembly (21), and the driving assembly (21) can drive the clamping assembly (22) to move in a direction parallel to the solder strip conveying direction and in a vertical direction.

9. Solder strip pulling apparatus according to claim 8, characterized in that the two clamping assemblies (22) are arranged one above the other in the respective uppermost position of the two clamping assemblies (22).

10. A stringer comprising a solder ribbon pulling apparatus according to any one of claims 1 to 9.