CN214322266U

CN214322266U - Wire pressing mechanism, welding pressing device and series welding machine

Info

Publication number: CN214322266U
Application number: CN202023341395.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Anhui Huasheng New Energy Technology Co ltd
Current assignee: Anhui Huasheng New Energy Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-01
Anticipated expiration: 2030-12-30

Abstract

The embodiment of the application provides a wire pressing mechanism, a welding and pressing device and a stringer, and belongs to the technical field of solar cell manufacturing, wherein the wire pressing mechanism comprises a frame, a frame on one opposite side of the frame is a perforated fixing seat, fixing holes are formed in the perforated fixing seat at intervals, and a wire pressing is connected between the fixing holes of the perforated fixing seats on the opposite side; the welding pressing device comprises a wire pressing mechanism and a fixing frame, and one opposite frame of the fixing frame penetrates through the perforation fixing seat respectively to fixedly install the wire pressing mechanism on the fixing frame; the series welding machine comprises a welding conveying device and a welding pressing device, the welding conveying device comprises a conveying belt and a supporting frame which is positioned below the conveying belt and used for supporting the conveying belt, and the conveying device is used for conveying a battery piece and a welding belt. Through the processing scheme of this application, battery piece welding quality has been improved.

Description

Wire pressing mechanism, welding pressing device and series welding machine

Technical Field

The application relates to the technical field of solar cell manufacturing, in particular to a wire pressing mechanism, a welding pressing device and a stringer.

Background

Solar energy is increasingly popular with people as clean energy, and solar cells are regarded as a strategic new energy industry, and due to the safety, less pollution and renewable performance, the solar cells are valued and advocated by various countries in recent years, and higher requirements are provided on the production process of the solar cells.

At present, a plurality of solar cells are generally spliced to form a cell string, the cell string is used as a component of the solar cell, and the cell string is formed by connecting the solar cells through a cell string welding machine. In a more common realization, can connect into the battery cluster through welding the area with the battery piece welding, the welding is the key process of solar energy component production, and the good or bad of welding not only concerns the electrical property of subassembly.

At present heterojunction battery cluster welds the area when the welding and presses and covers and adopts the tucking structure, and tucking mechanism presses and covers the area of welding, because of the mechanism is bulky makes the heat in the weld zone shelter from and can not evenly distributed, and the heat homogeneity is blockked, leads to having in the middle of the welding process that the welding is normal and peripheral rosin joint, perhaps peripheral welding is normal and middle overwelding, and temperature controllability homogeneity is relatively poor, seriously influences the welded quality problem in batches.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present application provide a wire pressing mechanism, a welding pressing device and a stringer, which at least partially solve the problems in the prior art.

In a first aspect, the application provides a wire pressing mechanism, the wire pressing mechanism comprises a frame, wherein a perforation fixing seat is arranged on a frame of at least one opposite side in the frame, fixing holes are formed in the perforation fixing seat at intervals, and a wire pressing is connected between the fixing holes of the perforation fixing seats on the opposite sides.

According to a specific implementation manner of the embodiment of the application, the cross section of the perforated fixed seat in the direction perpendicular to the axis of the perforated fixed seat is L-shaped, the horizontal platform of the L-shape faces to the outer side of the frame,

according to a concrete implementation mode of the embodiment of the application, the fixing holes are uniformly formed in the upper surface and the side surfaces of the L-shaped water platform of the perforated fixing seat, and the fixing holes in the upper surface and the side surfaces are in one-to-one correspondence.

According to a concrete implementation mode of the embodiment of the application, the pressing wire is detachably connected with the fixing hole, penetrates through the fixing hole in the upper surface and is fixed by arranging a fixing piece in the fixing hole in the side surface.

According to a specific implementation manner of the embodiment of the application, the frame is a rectangular frame.

According to a concrete implementation mode of the embodiment of the application, the wire pressing is a steel wire, and the diameter of the steel wire is in millimeter level.

In a second aspect, the present application provides a welding pressing device, the welding pressing device includes the wire pressing mechanism according to any one of the embodiments of the first aspect, the welding pressing device further includes a fixing frame, opposite two side frames of the fixing frame respectively pass through the perforated fixing seat, and the wire pressing mechanism is fixedly installed on the fixing frame.

According to a concrete implementation mode of the embodiment of the application, the fixing frame is connected with a power device, and the power device drives the fixing frame to move up and down.

In a third aspect, the present application further provides a series welding machine, where the series welding machine includes a welding conveying device and the welding pressing device of any embodiment of the second aspect, the welding conveying device includes a conveying belt and a supporting frame located below the conveying belt to support the conveying belt, and the conveying device is used for conveying a battery piece and a welding belt.

According to a specific implementation manner of the embodiment of the application, the wire pressing direction is perpendicular to the conveying direction of the welding conveying device.

Advantageous effects

According to the utility model provides a wire pressing mechanism, with the tucking in the tucking mechanism in the stringer and spring replacement for the line ball, can adopt thinner tucking to press to cover when the welding and weld the area, reduced because of tucking mechanism shelters from the light intensity loss that causes, reduce in the weld zone intra-area to temperature cycle's influence, greatly improved temperature homogeneity, improved welding quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a top view of a stringer according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a stringer according to an embodiment of the present invention.

In the figure: 1. a frame; 2. a through hole fixing seat; 3. a fixing hole; 4. pressing the filaments; 5. a fixed mount; 6. a battery piece; 7. a conveyor belt; 8. and (7) welding the strip.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

The wire pressing mechanism, the welding pressing device and the stringer according to the present invention will be described with reference to fig. 1-2, and in fig. 2, the same reference numerals as those in fig. 1 denote the same components.

First aspect, this application embodiment provides a pressure silk mechanism, including frame 1, two frame that one of them is relative on frame 1 are perforation fixing base 2, be connected with between two perforation fixing base 2 and press silk 4, press silk 4 both ends respectively through fixed orifices 3 with perforation fixing base 2 is connected, fixed orifices 3 set up in on the perforation fixing base 2.

In this embodiment, the fixing holes 3 are uniformly disposed on the upper surface and the side surface of the L-shaped water platform of the perforated fixing base 2, the fixing holes 3 on the upper surface and the side surface are in one-to-one correspondence, and the corresponding fixing holes 3 are communicated with each other.

Further, the pressing wire 4 is detachably connected through the fixing hole 3, the end portion of the pressing wire 4 penetrates through the fixing hole 3 on the upper surface, and the pressing wire 4 is fixed by arranging a fixing connector in the fixing hole 3 on the side surface, preferably, the fixing connector may be a screw or a bolt.

The pressing wire 4 is used for pressing and covering the welding strip 8 when the battery piece 6 is welded, the pressing wire 4 is perpendicular to the welding strip 8, the pressing wire 4 is in a straightened state in the frame 1 and has certain elasticity, and therefore the welding strip 8 can be better pressed and covered when the battery piece is welded.

Furthermore, press 4 and be adjustable between the fixed orifices 3 and be connected to guarantee to press 4 the state of flare-outing of silk, it is not right in this application press 4's regulation mode to prescribe a limit to, as long as can guarantee under the condition that the installation is taken one's place, press 4 with can realize pressing 4's elasticity between the fixed orifices 3 and adjust can.

In another embodiment, the thickness of the wire pressing 4 is adjustable, when welding, the wire pressing 4 can press the welding strip 8 by adopting a thinner wire, compared with a needle pressing mechanism commonly used in the prior art, when welding, the wire pressing mechanism reduces the light intensity loss of an infrared lamp tube providing a heat source for welding because the light shielding area of the thinner wire pressing 4 is smaller than that of the needle pressing mechanism, improves the temperature uniformity, and thus can improve the welding quality.

It should be noted that the number of the pressing wires 4 is several, and the pressing wires are laid in the frame 1 at intervals, and in the specific welding process, the number of the pressing wires can be freely added or reduced according to the pressing effect on the welding strip 8, so that when the fixing hole 3 of the perforated fixing base 2 is designed, the number of the holes can be properly increased, and when the perforated fixing base is used, the pressing wires 4 can be more conveniently increased or decreased.

Further, in order to make the pressing effect of the solder strip 8 more uniform, the pressing wires 4 are perpendicular to the perforated fixing seat 2, and the pressing wires 4 are uniformly laid in the frame 1 in parallel.

Preferably, one of the perforated permanent seats 2 has an L-shaped cross section perpendicular to the axial direction thereof, the L-shaped horizontal platform faces the outer side of the frame 1, and the other perforated permanent seat 2 is arranged symmetrically with the L-shaped horizontal platform.

According to a specific implementation manner of the embodiment of the present application, the fixing hole 3 is located on an L-shaped horizontal platform of the perforated fixing base 2. Furthermore, press silk 4 to be located the bottom of perforation fixing base 2 to with the horizontal stand of L shape is connected, press silk 4 to penetrate fixed orifices 3 can dismantle fixedly, one fixed orifices 3 is fixed one the one end of pressing silk 4, the setting of fixed orifices 3 interval is in on the horizontal stand of L shape.

According to a concrete implementation mode of the embodiment of the application, the wire pressing 4 is a steel wire, and the diameter of the steel wire is in millimeter level. The steel wire can be set to be thin, the steel wire is thin as much as possible under the condition that the welding strip 8 is pressed and covered, the shielding of the light intensity of the infrared lamp tube in the welding process can be reduced, the circulation of the temperature in the welding area is increased, and the welding quality is improved.

In a second aspect, an embodiment of the present application further provides a welding pressing device, where the welding pressing device includes the wire pressing mechanism as in any one of the foregoing first aspect embodiments, the welding pressing device further includes a fixing frame 5, and opposite two side frames of the fixing frame 5 respectively pass through the perforated fixing base 2 to fixedly mount the wire pressing mechanism on the fixing frame 5.

In this embodiment, the fixing frame 5 has a rectangular structure, the frame 1 of the wire pressing mechanism has a square structure, the length of the long side of the fixing frame 5 is greater than the side length of the frame 1, the length of the short side of the fixing frame 5 is less than the side length of the frame 1, and the two long sides of the fixing frame 5 vertically penetrate through the through hole fixing seats 2 on the frame 1, so as to sleeve the frame 1 on the fixing frame 5.

Further, the fixing frame 5 is connected with a power device, and the power device drives the fixing frame 5 to move up and down, so that the welding strip 8 is pressed and lifted.

In a third aspect, an embodiment of the present application further provides a stringer, which includes a welding conveying device and the welding pressing device described in any embodiment of the foregoing second aspect, the welding conveying device includes a conveying belt 7 and a supporting frame located below the conveying belt 7 to support the conveying belt 7, and the conveying device is used for conveying a battery piece 6 and a welding belt 8.

It should be noted that, in the embodiment of the present invention, besides the conveyor belt 7, there are usually provided matching structures such as rollers and driving motors matching with the conveyor belt 7.

Further, the wire pressing 4 is perpendicular to the conveying direction of the welding conveying device.

It should be noted that, in the stringer according to the embodiment of the present invention, in addition to the apparatus provided in the present application, a feeding apparatus, a welding apparatus, a detecting and positioning apparatus, a transferring apparatus, a collecting apparatus, and the like are further included to implement a complete welding process of the battery cell.

The embodiment of the utility model provides an embodiment, to the inhomogeneous problem of welding that adopts the tucking mechanism and lead to when welding the battery piece, invented a wire pressing mechanism, the wire pressing mechanism simple structure of this application uses in a flexible way conveniently, has realized the good circulation of temperature, has improved welding quality.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The wire pressing mechanism is characterized by comprising a frame (1), wherein a perforation fixing seat (2) is arranged on a frame on at least one opposite side in the frame (1), fixing holes (3) are formed in the perforation fixing seat (2) at intervals, and a wire pressing (4) is connected between the fixing holes (3) of the perforation fixing seats (2) on the opposite side.

2. The wire pressing mechanism according to claim 1, wherein the cross-sectional shape of the through hole fixing seat (2) in the direction perpendicular to the axis thereof is L-shaped, and the horizontal platform of the L-shape faces the outer side of the frame (1).

3. The wire pressing mechanism according to claim 2, wherein the fixing holes (3) are uniformly arranged on the upper surface and the side surface of the L-shaped water platform of the perforated fixing seat (2), and the fixing holes (3) on the upper surface and the side surface are in one-to-one correspondence.

4. The wire pressing mechanism according to claim 3, wherein the wire pressing (4) is detachably connected with the fixing hole (3), the wire pressing (4) penetrates through the fixing hole (3) of the upper surface, and the wire pressing (4) is fixed by arranging a fixing member in the fixing hole (3) of the side surface.

5. Wire pressing mechanism according to any one of claims 1-4, characterized in that the frame (1) is a rectangular frame.

6. Wire pressing mechanism according to any one of claims 1 to 4, characterized in that the pressing wire (4) is a steel wire, the diameter of which is in mm.

7. Welding pressing device, characterized in that, the welding pressing device comprises the wire pressing mechanism according to any one of claims 1-6, the welding pressing device further comprises a fixing frame (5), and one opposite side frame of the fixing frame (5) respectively passes through the perforation fixing seat (2) to fixedly mount the wire pressing mechanism on the fixing frame (5).

8. Welding press according to claim 7, characterized in that a power device is connected to the holder (5), which power device drives the holder (5) to move up and down.

9. A stringer, characterized in that it comprises a welding conveyor and a welding press according to claim 7 or 8, the welding conveyor comprising a conveyor belt (7) and a support frame located below the conveyor belt (7) to support the conveyor belt (7), the conveyor being used for conveying battery plates (6) and welding strips (8).

10. A stringer according to claim 9, wherein said bonding wire (4) is perpendicular to the transport direction of said welding conveyor.