CN215787370U

CN215787370U - High-purity tungsten electrode spot welding head with good high-temperature performance

Info

Publication number: CN215787370U
Application number: CN202121309417.8U
Authority: CN
Inventors: 张艳敬; 陈燕明; 张正明; 吴先兵; 方应红; 郭良建
Original assignee: Shanghai Hengbi Metal Material Co ltd
Current assignee: Shanghai Hengbi Metal Material Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-02-11
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a high-purity tungsten electrode spot welding head with good high-temperature performance, which comprises an electrode body, wherein a first electrode tip is fixedly connected to the left end of the electrode body, a first conductive head is arranged at the left end of the first electrode tip, a second electrode tip is fixedly connected to the right end of the electrode body, a second conductive head is arranged at the right end of the second electrode tip, the electrode body is made of copper, the first electrode tip and the second electrode tip are made of the same material, and the upward inclination angle of the first conductive head is five degrees. According to the utility model, the electrode body, the first electrode tip and the second electrode tip are arranged, and a seamless connection process is adopted, so that the conductivity of the device is ensured, the high-temperature resistance of the device is effectively improved, the burning loss rate of the device is effectively reduced, and the first conductive head and the second conductive head are arranged, so that good arc stability and proper weld bead width can be generated, and the spot welding effect of the device is effectively improved.

Description

High-purity tungsten electrode spot welding head with good high-temperature performance

Technical Field

The utility model relates to the technical field of spot welding machines, in particular to a high-purity tungsten electrode spot welding head with good high-temperature performance.

Background

The spot welder adopts the principle of double-sided double-point over-current welding, when in work, two electrodes pressurize a workpiece to enable two layers of metals to form a certain contact resistance under the pressure of the two electrodes, when welding current flows from one electrode to the other electrode, instant thermal welding is formed at the two contact resistance points, and the welding current instantly flows from the other electrode to the electrode along the two workpieces to form a loop, and the internal structure of the workpiece to be welded is not damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-purity tungsten electrode spot welding head with good high-temperature performance, copper and tungsten are seamlessly linked, so that the high-purity tungsten electrode spot welding head has the advantages of good high-temperature performance, long service life and strong stability, and the problems that the heat dissipation performance of tungsten is inferior to that of copper, tungsten completely uses tungsten integral electrodes, the temperature is too high, and tungsten is recrystallized at high temperature to form equiaxial grain structures to cause the tungsten to sag and break, so that the burning loss rate of the tungsten under the high-temperature condition is high, and the service life of the tungsten is short are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the high-purity tungsten electrode spot welding head with good high-temperature performance comprises an electrode body, wherein a first electrode tip is fixedly connected to the left end of the electrode body, a first conductive head is arranged at the left end of the first electrode tip, a second electrode tip is fixedly connected to the right end of the electrode body, and a second conductive head is arranged at the right end of the second electrode tip.

Preferably, the electrode body is a copper material, and the first electrode tip and the second electrode tip are made of the same material.

Preferably, the upward inclination angle of the first conductive head is five degrees, and the downward inclination angle of the second conductive head is five degrees.

Preferably, the length of the electrode body is 130mm, and the lengths of the first electrode tip and the second electrode tip are each 10 mm.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the electrode body, the first electrode tip and the second electrode tip are arranged, and a seamless connection process is adopted, so that the conductivity of the device is ensured, the high-temperature resistance of the device is effectively improved, the burning loss rate of the device is effectively reduced, and the first conductive head and the second conductive head are arranged, so that good arc stability and proper weld bead width can be generated, and the spot welding effect of the device is effectively improved.

2. According to the utility model, the production process can be optimized by determining the used material, the production cost of the device is effectively reduced, and the relative pressure can be generated after the device is installed by determining the inclination angles of the first conductive head and the second conductive head, so that the limiting effect is achieved, and the device is more stable in use.

Drawings

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

fig. 2 is a top view of an electrode body of the present invention;

fig. 3 is a perspective view of the electrode body of the present invention.

In the figure: 1. an electrode body; 2. a first electrode tip; 3. a first conductive head; 4. a second conductive head; 5. a second electrode head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The electrode body 1, the first electrode tip 2, the first conductive tip 3, the second conductive tip 4 and the second electrode tip 5 of the present invention are all universal standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 1-3, a high-purity tungsten electrode spot welding head with good high temperature performance comprises an electrode body 1, a first electrode tip 2 is fixedly connected to the left end of the electrode body 1, a first conductive head 3 is arranged at the left end of the first electrode tip 2, a second electrode tip 5 is fixedly connected to the right end of the electrode body 1, a second conductive head 4 is arranged at the right end of the second electrode tip 5, the electrode body 1 is made of copper, the first electrode tip 2 and the second electrode tip 5 are made of the same material, the production process can be optimized by determining the material used, the production cost of the device is effectively reduced, the upward inclination angle of the first conductive head 3 is five degrees, the downward inclination angle of the second conductive head 4 is five degrees, the length of the electrode body 1 is 130mm, the lengths of the first electrode tip 2 and the second electrode tip 5 are both 10mm, and the inclination angles of the first conductive head 3 and the second conductive head 4 are determined, can produce relative pressure after the installation, play spacing effect, make the device more stable when using, through setting up electrode body 1, first electrode tip 2 and second electrode tip 5, when guaranteeing device electric conductivity, the high temperature resistance performance of device has effectively been promoted, the burn-out rate of device has effectively been reduced, through setting up first conductive head 3 and second conductive head 4, can produce good arc stability and appropriate welding bead width, the spot welding effect of device has effectively been promoted.

During the use, the use material of electrode body 1 is high-quality copper product, the use material of first electrode tip 2 and second electrode tip 5 is for adding the high compactness of rare earth metal oxide, high-purity tungsten material, adopt the seamless linking technology in vacuum between electrode body 1 and first electrode tip 2 and the second electrode tip 5, can improve the recrystallization temperature of tungsten, can activate electron emission again, when guaranteeing device electric conductivity, the high temperature resistance of device has effectively been promoted, the rate of burning loss of device has effectively been reduced, through setting up first conductive head 3 and second conductive head 4, can produce good electric arc stability and appropriate welding bead width, the spot welding effect of device has effectively been promoted, through the cooperation of above-mentioned structure, can make the device reach high temperature performance good, long service life, advantage that stability is strong, be fit for using widely.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The high-purity tungsten electrode spot welding head with good high-temperature performance comprises an electrode body (1), and is characterized in that: the electrode comprises an electrode body (1), wherein a first electrode tip (2) is fixedly connected to the left end of the electrode body (1), a first conductive head (3) is arranged at the left end of the first electrode tip (2), a second electrode tip (5) is fixedly connected to the right end of the electrode body (1), and a second conductive head (4) is arranged at the right end of the second electrode tip (5).

2. The high-purity tungsten electrode spot welding head with good high-temperature performance according to claim 1, is characterized in that: the electrode body (1) is made of copper, and the first electrode tip (2) and the second electrode tip (5) are made of the same material.

3. The high-purity tungsten electrode spot welding head with good high-temperature performance according to claim 1, is characterized in that: the first conductive head (3) is inclined upwards by five degrees, and the second conductive head (4) is inclined downwards by five degrees.

4. The high-purity tungsten electrode spot welding head with good high-temperature performance according to claim 1, is characterized in that: the length of the electrode body (1) is 130mm, and the lengths of the first electrode tip (2) and the second electrode tip (5) are both 10 mm.