CN215238508U

CN215238508U - Water-cooling electrode tip of electrode head for resistance welding of photovoltaic junction box

Info

Publication number: CN215238508U
Application number: CN202120786785.5U
Authority: CN
Inventors: 芦文闰
Original assignee: Jiutian New Energy Technology Yancheng Co ltd
Current assignee: Jiutian New Energy Technology Yancheng Co ltd
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2021-12-21
Anticipated expiration: 2031-04-17

Abstract

The utility model discloses a water-cooling electrode tip of photovoltaic terminal box resistance welding electrode head mainly includes first part and second part, first part be used for when the welding with treat the machined part butt, second part one end with first part welded fastening, the second part is hollow structure, just the second part other end is provided with the opening, and the opening with the inside cavity of second part communicates with each other, wherein the inside cavity of second part is used for the coolant circulation, the technical scheme of the utility model, can effectively improve the cooling effect to the electrode tip to improve its life, and effectively reduce the wear rate and the change rate of electrode tip.

Description

Water-cooling electrode tip of electrode head for resistance welding of photovoltaic junction box

Technical Field

The utility model relates to an electrode tip technical field specifically is a water-cooling electrode tip of photovoltaic terminal box resistance welding electrode head.

Background

The conventional resistance welding of the photovoltaic junction box uses an electrode tip for welding, and the electrode tip generates heat when current flows through the electrode tip in the welding process, so that a workpiece is locally melted. The welded electrode tip mainly radiates heat through the heat conduction guide electrode arm, and the tungsten material has high thermal resistance and low heat conduction speed, so that the welding frequency is high, and the waste heat of the welded electrode is not easy to dissipate to cause heat accumulation particularly when the production beat is high. The resistance of the metal material is increased along with the temperature rise, so that the resistance of the electrode tip is increased, and no matter which control mode the welding machine performs welding in, the resistance change caused by the temperature change of the electrode tip can cause the heat generation change of resistance welding, so that the stability of welding production is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water-cooling electrode tip of photovoltaic terminal box resistance welding electrode head to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water-cooling electrode tip of photovoltaic terminal box resistance welding electrode head, includes: the workpiece welding fixture comprises a first component and a second component, wherein the first component is used for being abutted against a workpiece to be machined during welding, one end of the second component is fixedly welded with the first component, the second component is of a hollow structure, the other end of the second component is provided with an opening, the opening is communicated with an inner cavity of the second component, and the inner cavity of the second component is used for flowing of a coolant.

Further, a reinforcing part is further arranged and fixedly arranged inside the second component, and the reinforcing parts are arranged in a plurality of vertical rows.

Further, the material of the reinforcing portion is the same as that of the second member.

Further, the second component is of copper material.

Further, the first component is made of tungsten.

Furthermore, a fastener clamped with an external water cooling machine connecting pipe is arranged on the opening part, and the opening part is in sealing connection with the connecting pipe.

Through the utility model discloses aforementioned publication compares in having following characteristics in the current:

use the technical scheme of the utility model, can effectively improve the cooling effect to the electrode tip to improve its life, and effectively reduce the wear rate and the change rate of electrode tip.

Drawings

FIG. 1 is a schematic structural view of the present invention; and

fig. 2 is a schematic top view of the structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-2, the present embodiment provides a technical solution: the utility model provides a water-cooling electrode tip of photovoltaic terminal box resistance welding electrode head, includes: the welding device comprises a first component 1 and a second component 2, wherein the first component 1 is used for being abutted with a workpiece to be machined during welding, the first component 1 is preferably made of tungsten, the design is to effectively improve the electrical conductivity, the thermal conductivity and the wear resistance of the first component and prolong the service life of an electrode tip, one end of the second component 2 is welded and fixed with the first component 1, the second component 2 is of a hollow structure, an opening part 21 is arranged at the other end of the second component 2, the opening part 21 is communicated with a cavity in the second component 2, the cavity in the second component 2 is used for flowing of coolant, and the design is to facilitate connection with an external water cooling machine, so that the water cooling machine is used for providing water flow for the electrode tip through a water pipe so as to reduce the temperature of the water cooling machine; the water cooling machine is used for controlling the on-off of the water pipe through a pneumatic electromagnetic valve; and the control circuit is used for judging the working state of the parallel resistance welding so as to control the on-off of the pneumatic electromagnetic valve. The water cooling machine is connected with the second component through a water inlet and outlet pipe and takes away the heat of the electrode tip through water circulation. In this embodiment, the opening 21 is provided with a fastener 211 engaged with the connection pipe of the external water cooling machine, and the opening 21 and the connection pipe are connected in a sealing manner, so as to prevent the overflow of the coolant, and when in use, the electrode tip is cooled by water flow in a non-welding state, wherein in this embodiment, the coolant is water; and in the welding state, the water flow is automatically cut off to ensure that the welding heat is sufficient. Use this system cooling electrode tip, especially when welding production cycle is fast, the cooling effect is obvious, can not only guarantee welding stability, because of the electrode tip temperature can not accumulate moreover, in whole welding production process, the electrode tip life-span obviously improves, and production efficiency obviously improves.

Optionally, a reinforcing portion 3 is further provided, the reinforcing portion 3 is fixedly disposed inside the second member 2, and the reinforcing portions 3 are arranged in a plurality of vertical rows, wherein the material of the reinforcing portion 3 is the same as that of the second member 2, and in this embodiment, the second member 2 is preferably made of copper, and a certain number of reinforcing portions 3 are added inside the second member 2, so as to further improve the stability of the second member 2.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water-cooling electrode tip of photovoltaic terminal box resistance welding electrode head, its characterized in that includes:

the welding device comprises a first component (1), a second component (1) and a welding tool, wherein the first component (1) is used for being abutted with a workpiece to be machined during welding;

the cooling structure comprises a second component (2), one end of the second component (2) is fixedly welded with the first component (1), the second component (2) is of a hollow structure, an opening part (21) is arranged at the other end of the second component (2), the opening part (21) is communicated with an inner cavity of the second component (2), and the inner cavity of the second component (2) is used for flowing of cooling agents.

2. The water-cooled electrode head of the electrode head for resistance welding of the photovoltaic junction box according to claim 1, wherein: a reinforcing part (3) is further arranged, the reinforcing part (3) is fixedly arranged inside the second component (2), and the plurality of reinforcing parts (3) are vertically arranged.

3. The water-cooled electrode head of the electrode head for resistance welding of the photovoltaic junction box according to claim 2, wherein: the material of the reinforcing part (3) is consistent with that of the second component (2).

4. The water-cooled electrode head for resistance welding of the photovoltaic junction box according to claim 1 or 3, wherein: the second component (2) is made of copper.

5. The water-cooled electrode head of the electrode head for resistance welding of the photovoltaic junction box according to claim 1, wherein: the first component (1) is made of tungsten.

6. The water-cooled electrode head of the electrode head for resistance welding of the photovoltaic junction box according to claim 1, wherein: the opening part (21) is provided with a fastener (211) which is clamped with an external water cooling machine connecting pipe, and the opening part (21) is in sealing connection with the connecting pipe.