CN218926543U - Welding tool for resistance welding - Google Patents

Abstract

The utility model discloses a welding tool for resistance welding, which comprises an upper die module, wherein the upper die module is fixed on an upper die of a resistance welding machine, an upper electrode is arranged on the upper die module, and the upper electrode adsorbs a piece to be welded; the lower die module is fixed on a lower die of the resistance welding machine, a lower electrode is arranged on the lower die module, and another piece to be welded is placed on the lower electrode. According to the utility model, the positioning blocks are matched with the positioning columns, so that welding consistency can be well ensured, welding precision is improved, water-cooling hole sites are arranged on the upper mounting block and the lower mounting block, a non-welding area can be rapidly cooled, heat generated by resistance welding is rapidly dissipated, ageing of parts is slowed down, and the service life of the parts is prolonged.

Description

Welding tool for resistance welding

Technical Field

The utility model belongs to the technical field of resistance welding, and particularly relates to a welding tool for resistance welding.

Background

The resistance welding is a method of pressing a workpiece to be welded between two positive and negative electrodes, applying a large current, and generating a large amount of resistance heat to process the workpiece to a molten or plastic state in a short time by passing the current through the workpiece contact surface and the adjacent region, so as to form metal bonding.

The existing resistance welding generally adopts a manual welding mode, and the mode is simple to operate and low in cost, but the manual operation mode is required to consume a large amount of manpower, is simple in operation mode, low in welding precision and poor in consistency, and can cause the problem of rapid heating of parts, so that the efficiency is low.

Disclosure of Invention

The utility model overcomes the defects of the prior art, and provides a welding tool for resistance welding, so as to solve the problems in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a welding frock for resistance welding includes

The upper die module is fixed on an upper die of the resistance welding machine, an upper electrode is arranged on the upper die module, and the upper electrode adsorbs a piece to be welded;

the lower die module is fixed on a lower die of the resistance welding machine, a lower electrode is arranged on the lower die module, and another piece to be welded is placed on the lower electrode.

In a preferred embodiment of the present utility model, the upper die module includes an upper pad and an upper mounting block, and the top end of the upper electrode is fixed in the upper mounting block;

the lower die module comprises a lower cushion block and a lower mounting block, and the bottom end of the lower electrode is fixed in the lower mounting block.

In a preferred embodiment of the present utility model, water cooling holes are formed on the upper mounting block and the lower mounting block.

In a preferred embodiment of the present utility model, the upper mounting block is provided with a negative pressure hole, and the negative pressure hole is communicated with the interior of the upper electrode.

In a preferred embodiment of the present utility model, the lower mounting block is provided with a positioning block, and the positioning block coats the side surface of the lower electrode.

In a preferred embodiment of the present utility model, the present utility model further includes a positioning column, the positioning column is located at the center of the lower electrode, and the positioning column protrudes from the top surface of the lower electrode.

In a preferred embodiment of the present utility model, a guide module is disposed between the upper die module and the lower die module, the guide module includes a guide post and a positioning sleeve, the top end of the guide post is located in the upper die module, the bottom end of the guide post is located in the lower die module, and the positioning sleeve is sleeved on the guide post.

The utility model solves the defects existing in the background technology, and has the following beneficial effects:

(1) The positioning blocks are matched with the positioning columns, so that welding consistency can be well ensured, and welding precision is improved;

(2) The upper mounting block and the lower mounting block are respectively provided with a water cooling hole site, so that the non-welding area can be rapidly cooled, heat generated by resistance welding is rapidly dissipated, the ageing of the part is slowed down, and the service life of the part is prolonged.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present utility model;

FIG. 2 is a front view of a preferred embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a preferred embodiment of the present utility model;

in the figure: 10. an upper die module; 11. an upper electrode; 101. an upper backing plate; 102. an upper mounting block; 20. a lower die module; 21. a lower electrode; 201. a lower backing plate; 202. a lower mounting block; 30. water-cooling hole sites; 40. a negative pressure hole; 50. a positioning block; 60. positioning columns; 70. a guide module; 71. a guide post; 72. and (5) positioning the sleeve.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 3, the present embodiment provides a welding tool for resistance welding, which welds two workpieces to be welded, the welding tool including

The upper die module 10, the upper die module 10 is fixed on an upper die of the resistance welding machine, an upper electrode 11 is arranged on the upper die module 10, the upper electrode 11 adsorbs a piece to be welded, the upper die module 10 comprises an upper base plate 101 and an upper mounting block 102, the top end of the upper electrode 11 is fixed in the upper mounting block 102, and a positive electrode is adopted as the upper electrode 11 in the embodiment;

the lower die module 20, the lower die module 20 is fixed on the lower die of the resistance welding machine, a lower electrode 21 is arranged on the lower die module 20, another piece to be welded is placed on the lower electrode 21, the lower die module 20 comprises a lower cushion block and a lower mounting block 202, the bottom end of the lower electrode 21 is fixed in the lower mounting block 202, and a negative electrode is adopted as the lower electrode 21 in the embodiment.

In the practical use of the welding tool of this embodiment, two pieces to be welded are respectively placed on the upper electrode 11 and the lower electrode 21, the two pieces to be welded are pressed together under the action of the upper die module 10 and the lower die module 20, so that a passage is formed, a large current is conducted, a large amount of resistance heat is generated when the current flows through the contact surfaces and adjacent areas of the two pieces to be welded in a short time to process the pieces to be welded into a molten state, a cylinder of an external resistance welding equipment head acts downwards for a period of time, so that the two pieces to be welded are firmly welded together, and then the cylinder of the resistance welding equipment head moves upwards, so that the upper electrode 11 and the lower electrode 21 are separated to form an open circuit, and the welded piece is taken down from the upper electrode 11 to finish welding.

In this embodiment, the upper mounting block 102 and the lower mounting block 202 are respectively provided with a water cooling hole site 30, and the water cooling hole sites 30 can rapidly cool the non-welding area, so that heat generated by resistance welding is rapidly dissipated, the aging of the parts is slowed down, and the service life of the parts is prolonged.

Further, the upper mounting block 102 is provided with a negative pressure hole 40, the negative pressure hole 40 is communicated with the interior of the upper electrode 11, and a piece to be welded is adsorbed on the upper electrode 11 through negative pressure, so that the accuracy of subsequent processing is ensured.

In this embodiment, the lower mounting block 202 is provided with the positioning block 50, the side surface of the lower electrode 21 is coated by the positioning block 50, the positioning block further comprises a positioning column 60, the positioning column 60 is located at the center of the lower electrode 21, the positioning column 60 protrudes out of the top surface of the lower electrode 21, and in this embodiment, the positioning block 50 is matched with the positioning column 60, so that welding consistency can be well ensured, and welding precision is improved.

Further, a guiding module 70 is arranged between the upper die module 10 and the lower die module 20, the guiding module 70 comprises a guiding column 71 and a positioning sleeve 72, the top end of the guiding column 71 is positioned in the upper die module 10, the bottom end of the guiding column is positioned in the lower die module 20, the positioning sleeve 72 is sleeved on the guiding column 71, and the guiding module 70 can guide the upper die module 10 and the lower die module 20 in the welding process, so that the welding precision is ensured.

In summary, the positioning block 50 and the positioning column 60 are matched, so that welding consistency can be well ensured, welding precision is improved, water cooling hole sites 30 are arranged on the upper mounting block 102 and the lower mounting block 202, non-welding areas can be rapidly cooled, heat generated by resistance welding is rapidly dissipated, ageing of parts is slowed down, and service life of the parts is prolonged.

While the utility model has been described above with reference to various embodiments, it should be understood that many changes and modifications can be made without departing from the scope of the utility model. That is, the methods, systems, devices, etc. discussed above are examples. Various configurations may omit, replace, or add various procedures or components as appropriate. For example, in alternative configurations, the methods may be performed in a different order than described, and/or various stages may be added, omitted, and/or combined. Moreover, features described with respect to certain configurations may be combined in various other configurations. The different aspects and elements of the configuration may be combined in a similar manner. Furthermore, many elements are examples only as technology evolves and do not limit the scope of the disclosure or the claims.

Specific details are given in the description to provide a thorough understanding of exemplary configurations involving implementations. However, the configuration may be practiced without these specific details, e.g., well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail in order to avoid obscuring the configuration. This description provides only an example configuration and does not limit the scope, applicability, or configuration of the claims. Rather, the foregoing description of the configuration will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made in the function and arrangement of elements without departing from the spirit or scope of the disclosure.

Further, although each operation may describe the operation as a sequential process, many of the operations can be performed in parallel or concurrently. In addition, the order of operations may be rearranged. One process may have other steps. Furthermore, examples of methods may be implemented by hardware, software, firmware, middleware, code, hardware description language, or any combination thereof. When implemented in software, firmware, middleware or code, the program code or code segments to perform the necessary tasks may be stored in a non-transitory computer readable medium such as a storage medium and the described tasks are performed by a processor.

It is intended that the foregoing detailed description be regarded as illustrative rather than limiting, and that it be understood that it is the following claims, including all equivalents, that are intended to define the spirit and scope of this utility model. The above examples should be understood as illustrative only and not limiting the scope of the utility model. Various changes and modifications to the present utility model may be made by one skilled in the art after reading the teachings herein, and such equivalent changes and modifications are intended to fall within the scope of the utility model as defined in the appended claims.

Claims (7)

1. A welding frock for resistance welding, characterized by including

The upper die module (10), the upper die module (10) is fixed on an upper die of the resistance welding machine, an upper electrode (11) is arranged on the upper die module (10), and the upper electrode (11) adsorbs a piece to be welded;

the lower die module (20), lower die module (20) are fixed in the lower mould of resistance welding machine, be provided with bottom electrode (21) on lower die module (20), another wait to weld the piece on bottom electrode (21) has been placed.

2. A welding fixture for resistance welding according to claim 1, wherein,

the upper die module (10) comprises an upper base plate (101) and an upper mounting block (102), and the top end of the upper electrode (11) is fixed in the upper mounting block (102);

the lower die module (20) comprises a lower cushion block and a lower mounting block (202), and the bottom end of the lower electrode (21) is fixed in the lower mounting block (202).

3. Welding fixture for electric resistance welding according to claim 2, characterized in that water cooling holes (30) are provided on both the upper mounting block (102) and the lower mounting block (202).

4. A welding fixture for electric resistance welding according to claim 3, characterized in that the upper mounting block (102) is provided with a negative pressure hole (40), the negative pressure hole (40) being in communication with the interior of the upper electrode (11).

5. A welding fixture for electric resistance welding according to claim 3, characterized in that the lower mounting block (202) is provided with a positioning block (50), the positioning block (50) laterally cladding the lower electrode (21).

6. The welding fixture for electric resistance welding according to claim 1, further comprising a positioning column (60), wherein the positioning column (60) is located at the center of the lower electrode (21), and the positioning column (60) protrudes out of the top surface of the lower electrode (21).

7. Welding fixture for electric resistance welding according to claim 1, characterized in that a guiding module (70) is arranged between the upper die module (10) and the lower die module (20), the guiding module (70) comprises a guiding column (71) and a positioning sleeve (72), the top end of the guiding column (71) is positioned in the upper die module (10), the bottom end of the guiding column is positioned in the lower die module (20), and the positioning sleeve (72) is sleeved on the guiding column (71).

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