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Pressing needle mechanism, welding pressing device and series welding machine

A technology of pressing device and serial welding machine, which is applied in the direction of tin feeding device, auxiliary device, welding equipment, etc., and can solve the problems of easy generation of slivers, thickening of overlapping areas, and melting of tin

Pending Publication Date: 2019-12-13
WUXI AUTOWELL TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the field of photovoltaic production, in the production of parallel modules, there is an overlapping area of ​​battery sheets inside the battery string. After flattening the welding strips in the overlapping area and welding the two batteries before and after welding, the welding strips in the overlapping area will be damaged by heat after welding. The phenomenon of tin melting occurs, which leads to thickening of the overlapping area, which makes it easy to produce slivers in the subsequent process, and the scrap rate is high

Method used

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  • Pressing needle mechanism, welding pressing device and series welding machine
  • Pressing needle mechanism, welding pressing device and series welding machine
  • Pressing needle mechanism, welding pressing device and series welding machine

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Embodiment Construction

[0030] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0031] In the following description of various examples of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems and steps which may implement aspects of the invention. It is to be understood that other specific arrangements of components, structures, exemplary means, systems and steps may be utilized and stru...

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Abstract

The invention discloses a pressing needle mechanism, a welding pressing device and a series welding machine. The pressing needle mechanism comprises a carrying piece and pressing needles. The carryingpiece is provided with gas inlet passageways. The pressing needles are installed on the carrying piece in a telescopic manner, and the pressing faces protrude out of the carrying piece, a through hole communicating with the corresponding gas inlet passageway is formed in each pressing needle, or gas outlet holes communicating with the gas inlet passageways are formed in the portions, corresponding to the protruding parts of the pressing needles, of the carrying piece. The welding pressing device comprises the pressing needle mechanisms, wherein the pressing needle mechanisms are installed ona frame. The series welding machine comprises the welding pressing device, a welding lamp box and a movement device. The welding pressing device and the welding lamp body are both installed on the movement device. The movement device drives the welding pressing device and the welding lamp box to rise and fall. The welding pressing device is used for tightly pressing to-be-welded objects, and the welding lamp box is used for conducting welding operation on the to-be-welded objects. According to the pressing needle mechanism, the welding pressing device and the series welding machine, gas is input through the gas inlet passageways and blown towards to-be-welded welding strips through the through holes in the pressing needles and / or the gas outlet holes in the carrying piece, and therefore the temperature of corresponding positions of the welding strips is lowered.

Description

technical field [0001] The invention belongs to the field of photovoltaic cell production, and in particular relates to a needle pressing mechanism, a welding pressing device and a stringer using the needle pressing mechanism. Background technique [0002] In the field of photovoltaic production, in the production of parallel modules, there is an overlapping area of ​​battery sheets inside the battery string. After flattening the welding strips in the overlapping area and welding the two batteries before and after welding, the welding strips in the overlapping area will be damaged by heat after welding. The phenomenon of tin melting occurs, resulting in thickening of the overlapping area, which makes it easy to produce slivers in the subsequent process, and the reject rate is high. Contents of the invention [0003] A main purpose of the present invention is to overcome at least one of the above-mentioned defects, and provide a needle pressing mechanism capable of preventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K3/06B23K3/08H01L21/67H01L31/18
CPCB23K3/0623B23K3/08H01L21/67109H01L31/188Y02P70/50
Inventor 李文季斌斌姜高峰黄剑雄
Owner WUXI AUTOWELL TECH
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