CN215034415U

CN215034415U - Electrode assembly for aluminum spot welding

Info

Publication number: CN215034415U
Application number: CN202120353470.1U
Authority: CN
Inventors: 王崇江; 黄明光; 周飞杰
Original assignee: Welform Hangzhou Precision Machining Co ltd
Current assignee: Welform Hangzhou Precision Machining Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-12-07
Anticipated expiration: 2031-02-08

Abstract

The utility model relates to an electrode component for aluminum spot welding, which comprises an electrode cap and an electrode rod, wherein the electrode cap is arranged on the electrode rod; the welding end face of the electrode cap is of a spherical structure; the utility model discloses simple structure, convenient to detach and installation have improved work efficiency, but reuse after the electrode cap coping has reduced the energy waste.

Description

Electrode assembly for aluminum spot welding

Technical Field

The utility model belongs to the welding field, concretely relates to an electrode subassembly for aluminium spot welding.

Background

In the technical field of the existing aluminum spot welding, when the space of a welded workpiece is narrow, an electrode cap with a mushroom head is often adopted, but the use defect of the electrode cap with the mushroom head is that the grinding times of the electrode cap are few, the electrode cap is difficult to replace after grinding, and the welding beat and the production efficiency are influenced because an automatic replacement mode cannot be adopted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of prior art existence, improve the electrode of welding this type of special work piece to reach the purpose that improves electrode cap life-span and improve production efficiency, realize the technical scheme of above-mentioned purpose as follows:

an electrode assembly for aluminum spot welding, comprising an electrode cap, an electrode rod, the electrode cap being mounted on the electrode rod; wherein, the welding terminal surface of electrode cap is spherical structure.

Optionally, a first water inlet hole is formed in the electrode rod, a second water inlet hole is formed in the circumferential direction of the electrode cap, and the first water inlet hole is communicated with the second water inlet hole.

Optionally, the electrode rod is provided with a through-hole type jack, and the lower end of the electrode cap is inserted into the jack in a matching manner.

Optionally, set up first return water hole on the electrode pole, set up second return water hole on the electrode cap, first return water hole and second return water hole intercommunication, simultaneously, second inlet opening and second return water hole intercommunication.

Optionally, a first groove and a second groove are dug on the inner wall of the jack; the first groove is a water inlet groove, and the second groove is a water outlet groove; the water inlet groove is respectively communicated with the first water inlet hole and the second water inlet hole; the water outlet groove is respectively communicated with the first water return hole and the second water return hole.

Optionally, the outer edge of the welding end face of the electrode cap is chamfered.

Optionally, the first water return hole and the first water inlet hole are coaxially arranged.

Optionally, the lower end of the electrode cap is of a conical structure, and the insertion hole is a conical insertion hole.

The utility model discloses simple structure, convenient to detach and installation have improved work efficiency, but reuse after the electrode cap coping has reduced the energy waste.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a schematic view of a cooling water path for the electrode cap and the electrode rod;

FIG. 4 is a schematic view of cooling water paths in the other direction of the electrode cap and the electrode rod;

FIG. 5 is a schematic view of a cooling water path of the electrode cap;

FIG. 6 is a schematic view of an electrode cap;

description of the figures: the electrode comprises an electrode cap 1, an electrode rod 2, a static electrode cap 3, an upper workpiece 4, a lower workpiece 5, a welding spot 6, a jack 7, a first water inlet hole 8, a second water inlet hole 9, a first water return hole 10, a second water return hole 11, a first groove 12 and a second groove 13;

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.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. At least one embodiment of the utility model provides the following technical scheme:

in fig. 1 to 6, an electrode assembly for aluminum spot welding includes an electrode cap 1 and an electrode rod 2, the lower end of the electrode cap 1 being connected to the electrode rod 2; the welding end surface of the electrode cap 1 is of a spherical structure.

After welding for a period of time, materials such as oxides and welding slag adhere to the surface of the electrode cap 1, so that the surface of the electrode cap 1 needs to be cleaned, otherwise, the welding work is influenced; because the surface of the electrode cap 1 is of a spherical structure, the electrode cap can be directly cleaned along the spherical surface by using a cleaning tool, and the electrode cap 1 of the spherical structure has the advantage of obtaining more grinding times compared with the electrode cap of a mushroom head shape, namely the service life of the electrode cap is prolonged.

The outer edge of the preferred spherical structure has a chamfer or a slope, so that the space between the spherical surface of the spherical structure and the workpiece is enlarged, and heat dissipation is facilitated.

In the utility model, a workpiece is positioned between a static electrode cap 3 and an electrode cap 1, the workpiece comprises an upper workpiece 4 and a lower workpiece 5, a welding spot 6 is positioned between the upper workpiece and the lower workpiece, and the upper workpiece 4 and the lower workpiece 5 are welded together by the welding spot 6; when the electrode cap works, the electrode cap in the spherical structure is in point contact with a workpiece, the area of a welding spot of the workpiece is small, and the appearance is attractive.

As an option, the electrode rod 2 is provided with a through-hole type jack 7, and the lower end of the electrode cap 1 is inserted into the jack 7 to form a plug-in mounting structure, so that the electrode cap 1 can be replaced after polishing is finished, and the electrode cap 1 can be taken out by manually tapping the reverse side lightly or by using automated equipment during replacement.

Preferably, jack 7 is the toper jack, and in the plug-in jack of the lower extreme adaptation of electrode cap 1, consequently the lower extreme of electrode cap 1 also is the toper structure, and the cooperation mode of toper structure is more firm, convenient, can not need extra auxiliary member to strengthen being connected between electrode rod 2 and the electrode cap 1.

As an option, cooling water paths are arranged on the electrode cap 1 and the electrode cap 2; specifically, a first water inlet hole 8 is formed in the electrode rod 2, the first water inlet hole 8 can be communicated with a cold water source, a second water inlet hole 9 is designed in the circumferential direction of the electrode cap 1, and the first water inlet hole 8 is communicated with the second water inlet hole 9; and cooling water enters the second water inlet hole 9 along the first water inlet hole 8 to cool the electrode cap 1 in work.

As an option, set up first return water hole 10 on the electrode pole 2, set up second return water hole 11 on the electrode cap 1, first return water hole 10 and second return water hole 11 intercommunication, simultaneously, second inlet opening 9 and second return water hole 11 intercommunication.

A first groove 12 and a second groove 13 are dug on the inner wall of the jack 7; the first groove 12 is a water inlet groove, and the second groove 13 is a water outlet groove; the water inlet groove is respectively communicated with the first water inlet hole 8 and the second water inlet hole 9; the water outlet groove is respectively communicated with the first water return hole 10 and the second water return hole 11.

Of course, the second water inlet 9 and the second water return 11 may be provided in several ways, wherein the second water inlet 9 is arranged above the horizontal line and the second water return 11 is arranged below the horizontal line based on the horizontal line, so as to facilitate water inlet and water return; the axes of the second water inlet hole 9 and the second water return hole 11 are crossed on the axis point of the electrode cap 1;

the cooling water gets into electrode pole 2 through first inlet opening 8, reachs the intake chamber, and the cooling water flows into different second inlet opening 9 from the intake chamber again, and rethread second return water hole 11 flows to the return water groove, flows out from first return water hole 10 on electrode pole 2 again, accomplishes a cooling cycle.

As an option, the first return hole 10 is coaxially disposed with the first water inlet hole 8.

The utility model discloses convenient to detach and installation have improved work efficiency, but reuse after the electrode cap coping has reduced the energy extravagant.

The operation of the apparatus is described as follows:

when the welding head is used, a workpiece is placed between the static electrode cap 3 and the electrode cap 1, a point at the top of the electrode cap is used for propping against the position of a welding point of the workpiece, then the electrode cap is electrified to work, the upper workpiece and the lower workpiece are welded together, the electrifying work and the welding process of the electrode cap can be realized by using the prior art, and detailed description is omitted; when the electrode cap needs to be polished, the electrode cap can be directly polished by using a polishing tool.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the embodiments of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the embodiments of the present invention should be included in the scope of the embodiments of the present invention.

Claims

1. An electrode assembly for spot welding of aluminum, characterized by: the electrode cap is arranged on the electrode rod; wherein, the welding terminal surface of electrode cap is spherical structure.

2. The electrode assembly for aluminum spot welding according to claim 1, characterized in that: the electrode cap is characterized in that a first water inlet hole is formed in the electrode rod, a second water inlet hole is formed in the circumferential direction of the electrode cap, and the first water inlet hole is communicated with the second water inlet hole.

3. The electrode assembly for aluminum spot welding according to claim 2, characterized in that: the electrode rod is provided with a through hole type jack, and the lower end of the electrode cap is inserted into the jack in a matching mode.

4. An electrode assembly for aluminum spot welding according to claim 3, characterized in that: the electrode cap is provided with a first water return hole, a second water return hole and a second water return hole, the first water return hole is communicated with the second water return hole, and meanwhile, the second water inlet hole is communicated with the second water return hole.

5. The electrode assembly for aluminum spot welding according to claim 4, wherein: a first groove and a second groove are dug in the inner wall of the jack; the first groove is a water inlet groove, and the second groove is a water outlet groove; the water inlet groove is respectively communicated with the first water inlet hole and the second water inlet hole; the water outlet groove is respectively communicated with the first water return hole and the second water return hole.

6. The electrode assembly for aluminum spot welding according to claim 1, characterized in that: and the outer edge of the welding end face of the electrode cap is chamfered.

7. The electrode assembly for aluminum spot welding according to claim 4, wherein: the first water return hole and the first water inlet hole are coaxially arranged.

8. An electrode assembly for aluminum spot welding according to claim 3, characterized in that: the lower end of the electrode cap is of a conical structure, and the insertion hole is a conical insertion hole.