CN219805520U

CN219805520U - Electrode cooling mechanism

Info

Publication number: CN219805520U
Application number: CN202320347090.6U
Authority: CN
Inventors: 肖敏达; 余俊威; 杨旭光; 易晓丹
Original assignee: Changsha Xinlian Automotive Parts Co ltd
Current assignee: Changsha Xinlian Automotive Parts Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-10-10
Anticipated expiration: 2033-02-15

Abstract

The utility model belongs to the technical field of resistance welding, in particular to an electrode cooling mechanism, which aims at the problems that water cannot be supplied due to space problems, the service life of the existing part welding at a special position is greatly reduced, and the conventional material chromium pick copper cannot be used as a material, so that the cost is increased, and the utility model provides a scheme which comprises an electrode head body and an electrode rod body, and also comprises a matching groove, wherein the matching groove is formed in the electrode head body, and the electrode rod body is arranged in the matching groove; the connecting assembly is arranged between the electrode head body and the electrode rod body and used for fixing the electrode rod body in the matching groove; the water cooling circulation part is arranged between the electrode head body and the electrode rod body and used for cooling the electrode rod body; greatly prolongs the service life of the electrode rod body, reduces the cost and improves the quality condition of resistance welding.

Description

Electrode cooling mechanism

Technical Field

The utility model relates to the technical field of resistance welding, in particular to an electrode cooling mechanism.

Background

Resistance welding is generally a welding method in which workpieces are subjected to a certain electrode pressure and the contact surface between the two workpieces is melted by resistance heat generated when an electric current passes through the workpieces to effect connection. A larger current is typically used. In order to prevent arcing at the interface and to forge the weld metal, pressure is applied throughout the welding process. In performing this type of resistance welding, the surface quality of the workpiece to be welded is important to obtain stable welding quality. Therefore, the contact surfaces between the electrode and the workpiece and between the workpiece and the workpiece must be cleaned before welding. The spot welding is a resistance welding method in which welding pieces are assembled into lap joints and are pressed between two columnar electrodes, and base metals are melted by resistance heat to form welding spots.

Along with the continuous development of the automobile industry, the requirements on electrode heads are higher and higher as parts with special shapes are gradually increased, and special electrode rod bodies are gradually produced, so that the service life of the electrode rod bodies is low due to factors such as limited product form space and incapability of introducing water, the quality problems such as false welding and the like are easily caused on site, the problem that the parts at special parts are welded due to space problems is solved, the water cannot be introduced, the service life is greatly reduced, and the cost promotion factors caused by incapability of using conventional chromium pick copper as a material are caused, and the welding defect is solved.

In view of the above problems, the present document proposes an electrode cooling mechanism.

Disclosure of Invention

The utility model provides an electrode cooling mechanism, which solves the defects that water cannot be introduced due to space problem in part welding of special parts, service life of the part is greatly reduced, and cost is increased due to the fact that conventional chromium pick copper is not used as a material in the prior art.

The utility model provides the following technical scheme:

the electrode cooling mechanism comprises an electrode head body, an electrode rod body and a matching groove, wherein the matching groove is formed in the electrode head body, and the electrode rod body is arranged in the matching groove; the connecting assembly is arranged between the electrode head body and the electrode rod body and used for fixing the electrode rod body in the matching groove; the water cooling circulation part is arranged between the electrode head body and the electrode rod body and used for cooling the electrode rod body.

In one possible design, the connecting assembly comprises a positioning groove arranged in the circumferential inner wall of the matching groove, an internal thread is arranged in the positioning groove, a fixing ring is fixedly connected to the circumferential surface of the electrode rod body, an external thread is arranged on the circumferential surface of the fixing ring, and the fixing ring is in threaded connection with the positioning groove.

In one possible design, the water cooling circulation part comprises a water inlet pipeline and a water outlet pipeline which are arranged in the electrode head body, the water inlet pipeline and the water outlet pipeline are all communicated with the matching groove, a hollow gap is arranged in the electrode rod body, a communication groove communicated with the hollow gap is arranged on the surface of the electrode rod body, and the hollow gap is respectively communicated with the water inlet pipeline and the water outlet pipeline through the communication groove.

In one possible design, the circumferential surface of the electrode rod body is provided with a second indicator, and the top end of the electrode head body is provided with a first indicator matched with the second indicator.

In one possible embodiment, the electrode shaft is made of chromium pickaxe copper.

In one possible design, the electrode rod body is integrally formed by stamping chromium-zirconium-copper alloy.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

In the technical scheme, the electrode rod is designed again according to the actual situation, the cooling water mechanism is improved, the original water-proof electrode head end is changed into water-proof electrode head end, the conventional chromium pick copper material is used as the material, the service life of the electrode rod body is greatly prolonged, the cost is reduced, and the quality condition of resistance welding is improved.

Drawings

FIG. 1 is a front perspective view of an electrode cooling mechanism according to an embodiment of the present utility model;

FIG. 2 is a perspective view of an electrode tip of an electrode cooling mechanism according to an embodiment of the present utility model;

FIG. 3 is a perspective view of an electrode rod of an electrode cooling mechanism according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of an electrode cooling mechanism according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of an electrode tip of an electrode cooling mechanism according to an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a prior art electrode head;

FIG. 7 is a cross-sectional view of an electrode rod of an electrode cooling mechanism according to an embodiment of the present utility model;

FIG. 8 is a cross-sectional view of a prior art primary electrode rod;

fig. 9 is a schematic diagram of a square shell type part welded by an electrode in the prior art.

Reference numerals:

1. an electrode head body; 2. an electrode rod body; 3. a first indicator; 4. a second indicator; 5. a fixing ring; 6. a hollow gap; 7. a communication groove; 8. a matching groove; 9. a positioning groove; 10. a water inlet pipe; 11. and a water outlet pipeline.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1-8, the electrode cooling mechanism comprises an electrode head body 1, an electrode rod body 2 and a matching groove 8, wherein the matching groove 8 is formed in the electrode head body 1, and the electrode rod body 2 is arranged in the matching groove 8; the connecting component is arranged between the electrode head body 1 and the electrode rod body 2 and is used for fixing the electrode rod body 2 in the matching groove 8; the water cooling circulation part is arranged between the electrode head body 1 and the electrode rod body 2 and used for cooling the electrode rod body 2.

The electrode rod is designed again according to the actual situation, the cooling water mechanism is improved, the original water-proof electrode head end is changed into water-proof electrode head end, the conventional chromium pick copper is used as the material, the service life of the electrode rod body 2 is greatly prolonged, the cost is reduced, and the quality condition of resistance welding is also improved.

Referring to fig. 1-4, the connection assembly comprises a positioning groove 9 arranged in the circumferential inner wall of the matching groove 8, an internal thread is arranged in the positioning groove 9, a fixing ring 5 is fixedly connected to the circumferential surface of the electrode rod body 2, an external thread is arranged on the circumferential surface of the fixing ring 5, and the fixing ring 5 is in threaded connection with the positioning groove 9.

The technical scheme can achieve the technical effect of screwing the electrode rod body 2 to enable the fixing ring 5 of the electrode rod body 2 to be in threaded connection with the positioning groove 9, and achieving the position fixing of the electrode rod body 2.

Referring to fig. 1 to 4, the water cooling circulation part comprises a water inlet pipe 10 and a water outlet pipe 11 which are arranged in the electrode head body 1, the water inlet pipe 10 and the water outlet pipe 11 are communicated with the matching groove 8, a hollow gap 6 is arranged in the electrode rod body 2, a communication groove 7 communicated with the hollow gap 6 is arranged on the surface of the electrode rod body 2, and the hollow gap 6 is respectively communicated with the water inlet pipe 10 and the water outlet pipe 11 through the communication groove 7.

The technical scheme can achieve the technical effects that water flow enters into the hollow gap 6 through the water inlet pipeline 10 and then enters into the hollow gap 6 through the communication groove 7, and after the water cooling of the electrode rod body 2 is achieved, the water is discharged through the water outlet pipeline 11, so that the circulating cooling is achieved.

Example 2

Referring to fig. 1, a second indicator 4 is provided on the circumferential surface of the electrode rod body 2, and a first indicator 3 matched with the second indicator 4 is provided on the top end of the electrode head body 1.

The first indicator 3 on the electrode rod body 2 is aligned with the second indicator 4 and placed in the matching groove 8, and the final fixed position of the electrode rod body 2 screwed according to the fixed initial position can lead the communication groove 7 to be respectively communicated with the water inlet pipeline 10 and the water outlet pipeline 11.

The electrode rod body 2 is formed by stamping chromium-zirconium-copper alloy into a whole.

The manufacturing cost of the electrode head body 1 is reduced, meanwhile, the chromium-zirconium-copper alloy is integrally formed by stamping, the head density is high, the wear resistance is high, the electrode head is not required to be replaced frequently, and the loss cost is reduced.

The working principle and the using flow of the technical scheme are as follows: the first indicator 3 on the electrode rod body 2 is aligned with the direction of the second indicator 4 and is placed in the matching groove 8, the electrode rod body 2 is screwed to be connected with the fixing ring 5 of the electrode rod body in the positioning groove 9 in a threaded manner, the position of the electrode rod body 2 is fixed, and the communicating groove 7 is respectively communicated with the water inlet pipeline 10 and the water outlet pipeline 11 according to the final fixed position of the electrode rod body 2 screwed at the fixed initial position; the water flow enters into the hollow gap 6 through the water inlet pipeline 10 and then enters into the hollow gap 7 through the communication groove 7, so that the water cooling of the electrode rod body 2 is realized, and then the water is discharged through the water outlet pipeline 11, so that the circulation is realized.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. Electrode cooling mechanism, including electrode tip body (1) and electrode body of rod (2), its characterized in that still includes:

the electrode rod body (2) is arranged in the matching groove (8);

the connecting assembly is arranged between the electrode head body (1) and the electrode rod body (2) and is used for fixing the electrode rod body (2) in the matching groove (8);

the water cooling circulation part is arranged between the electrode head body (1) and the electrode rod body (2) and used for cooling the electrode rod body (2).

2. The electrode cooling mechanism according to claim 1, wherein the connecting assembly comprises a positioning groove (9) formed in the circumferential inner wall of the matching groove (8), an internal thread is arranged in the positioning groove (9), a fixing ring (5) is fixedly connected to the circumferential surface of the electrode rod body (2), an external thread is arranged on the circumferential surface of the fixing ring (5), and the fixing ring (5) is in threaded connection with the positioning groove (9).

3. The electrode cooling mechanism according to claim 1, wherein the water cooling circulation part comprises a water inlet pipeline (10) and a water outlet pipeline (11) which are arranged in the electrode head body (1), the water inlet pipeline (10) and the water outlet pipeline (11) are both communicated with the matching groove (8), a hollow gap (6) is arranged in the electrode rod body (2), a communication groove (7) communicated with the hollow gap (6) is arranged on the surface of the electrode rod body (2), and the hollow gap (6) is respectively communicated with the water inlet pipeline (10) and the water outlet pipeline (11) through the communication groove (7).

4. An electrode cooling mechanism according to any one of claims 1-3, characterized in that the circumferential surface of the electrode rod body (2) is provided with a second indicator (4), and the top end of the electrode head body (1) is provided with a first indicator (3) matched with the second indicator (4).

5. An electrode cooling mechanism according to any one of claims 1-3, characterized in that the electrode rod body (2) is made of chromium pick copper.

6. Electrode cooling mechanism according to claim 5, characterized in that the electrode rod body (2) is integrally formed by stamping a chromium-zirconium-copper alloy.