CN212552264U - Laser welding fixture and laser welding equipment - Google Patents

Abstract

The utility model discloses a laser welding anchor clamps and laser welding equipment, it includes: briquetting; the circulating cavity is arranged inside the pressing block; the inlet and the outlet are arranged on the pressing block and are communicated with the circulating cavity; the inlet pipeline and the outlet pipeline are respectively and correspondingly communicated with the inlet and the outlet; and a cooling medium storage device communicated with the inlet pipeline to provide cooling medium; the cooling medium enters the circulating cavity of the pressing block through the inlet pipeline and the inlet to flow, and is discharged through the outlet pipeline and the outlet pipeline. The cooling system cools the welding clamp, so that the heat dissipation efficiency is improved, the cooling of a welding line and a base metal is accelerated, and the overheating and deformation of a product are reduced.

Description

Laser welding fixture and laser welding equipment

Technical Field

The utility model relates to a laser welding field specifically is a laser welding anchor clamps and laser welding equipment

Background

Laser welding has the advantages of high energy density, small deformation, narrow heat affected zone, high welding speed, easy realization of automatic control, no subsequent processing and the like, so the laser welding is more and more widely applied to the fields of automobile manufacturing and the like.

Because the output of the automobile production line is high and the production beat is fast, in the production process, the base metal and the laser welding clamp can accumulate a large amount of heat, so that the defects of welding deformation, overheating of a weld metal heat affected zone and the like caused by heat are easily caused when a thin plate, an appearance piece and a plate with high precision requirement are welded. Meanwhile, the quality of products is inconsistent due to different heat accumulated by the clamp during welding.

For this reason, at present, heat can be transferred outwards only by a way of naturally cooling the clamp and the base material, but the energy transfer efficiency is low, the heat dissipation is slow, the welding quality and the size precision are still affected, and the repair cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a laser welding anchor clamps and laser welding equipment, it cools off welding anchor clamps through cooling system, and then improves the radiating efficiency, accelerates the cooling of welding seam and base metal, reduces the product overheated and warp.

In order to achieve the above object, the utility model provides a following technical scheme:

provided is a laser welding jig, including: briquetting; the circulating cavity is arranged inside the pressing block; the inlet and the outlet are arranged on the pressing block and are communicated with the circulating cavity; the inlet pipeline and the outlet pipeline are respectively and correspondingly communicated with the inlet and the outlet; and a cooling medium storage device communicated with the inlet pipeline to provide cooling medium; the cooling medium enters the circulating cavity of the pressing block through the inlet pipeline and the inlet to flow, and is discharged through the outlet pipeline and the outlet pipeline.

Preferably, the laser welding jig further includes: and the pressing block control assembly is connected with the pressing block and is used for driving the pressing block to move so that the pressing block can be matched with the workpiece to be welded, and therefore the workpiece to be welded is positioned.

Preferably, the cooling medium includes cooling water.

Preferably, the whole of the pressing block is made of heat conducting materials.

Preferably, the whole pressing block is made of an aluminum alloy material.

Preferably, the circulation cavity transversely runs through the pressing block, and the two ends of the circulation cavity are blocked by plugs.

Preferably, the plug plugs one end/both ends of the circulation cavity in a detachable mode.

Preferably, the inlet pipeline is detachably communicated with the inlet through an inlet joint, and/or the outlet pipeline is detachably communicated with the outlet through an outlet joint.

Preferably, the inlet line and/or the outlet line are hoses.

Also provides a laser welding device comprising the laser welding fixture.

Compared with the prior art, the utility model discloses possess following beneficial effect:

the utility model discloses a cooling system cools off welding jig, can show from this and improve the radiating efficiency for the cooling rate of welding seam and mother metal in the welding process, further reduce because the product is overheated and the inconsistent situation of product quality that leads to appears with warping, further reduce and reprocess the cost.

Drawings

FIG. 1a is an overall structure diagram of the laser welding fixture of the present invention;

fig. 1b is a side view of the laser welding fixture of the present invention;

fig. 1c is a top view of the laser welding fixture of the present invention;

fig. 2 is a front view of the laser welding jig of the present invention;

fig. 3 is a top view of the laser welding fixture 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.

Example 1:

as shown in fig. 1a-1c, 2-3, the laser welding fixture in this embodiment is suitable for laser welding of body in white and parts, and specifically includes:

the pressing block 1 is attached to the profile of a workpiece to be welded (such as a sheet metal part and other plates), so that the clamping effect can be increased, the workpiece to be welded is accurately positioned, and the welding precision and the product quality are ensured; in this embodiment, the whole of the briquette 1 is made of a heat conductive material, such as an aluminum alloy material, so that the heat exchange efficiency between the briquette and the external environment is increased, and the briquette is beneficial to rapid cooling;

the pressing block control assembly 2 is connected with the pressing block 1 and used for driving the pressing block 1 to move so that the pressing block 1 can be matched with a workpiece to be welded, and therefore the workpiece to be welded can be positioned; in this embodiment, the briquetting control assembly 2 includes components such as a rotating shaft, an air cylinder, a connecting rod, a driving device (e.g., a motor), and the like, as long as the briquetting 1 can be driven to rotate and/or linearly move, and specific structural features are not limited;

a circulation chamber 3 opened inside the briquette 1;

an inlet 4 and an outlet 5 which are both arranged on the pressing block 1 and are communicated with the circulating cavity 3;

an inlet pipeline 6 and an outlet pipeline 7 which are respectively communicated with the inlet 4 and the outlet 5;

and a cooling medium storage means (such as a water cooler, a plant circulating water storage container, etc., not shown) communicating with the inlet pipe 6 to supply a cooling medium, which is a fluid substance such as cooling water, etc.;

the cooling medium in the cooling medium storage device enters the circulating cavity 3 of the pressure block 1 through the inlet pipeline 6 and the inlet 4 to flow and then is discharged through the outlet 5 and the outlet pipeline 7, so that the pressure block 1 and/or the workpiece to be welded and/or the welding seam are continuously radiated through the circulating flow of the cooling medium in the welding process, the cooling speed of the welding seam and the workpiece to be welded in the welding process is accelerated, the condition that the product quality is inconsistent due to overheating and deformation of the product is further reduced, and the repair cost is further reduced.

Example 2:

the present embodiment is different from embodiment 1 only in that, as shown in fig. 1a-1c and 2-3, the circulation cavity 3 in the present embodiment is transversely disposed through the pressing block 1, and both ends of the circulation cavity 3 are blocked by the plugs 31 to prevent the cooling medium inside from leaking out, so that the heat exchange area can be increased by the circulation cavity 3 transversely disposed through, and the heat dissipation efficiency can be improved, further, the plugs 31 block one end/both ends of the circulation cavity 3 in a detachable manner (for example, an inner wall surface of the circulation cavity 3 is provided with an internal thread, an outer wall surface of the plugs 31 is provided with an external thread, and both ends are connected by a thread, and the like), so that the circulation cavity 3 can be internally maintained or the cooling medium accumulated inside can be discharged by detaching the plugs 31, and the convenience of maintenance can be increased;

meanwhile, the inlet pipeline 6 is detachably communicated with the inlet 4 through an inlet joint 41, and/or the outlet pipeline 7 is detachably communicated with the outlet 5 through an outlet joint 51; and the inlet joint 41 and/or the outlet pipeline 7 are DN15 quick connectors, so that the quick assembly can be realized through the quick connectors, and further, the inlet pipeline 6 and/or the outlet pipeline 7 are hoses, so that the hoses can be bent according to different use working conditions, and the use convenience is improved.

Example 3:

the present embodiment also provides a laser welding apparatus including the laser welding jig of embodiment 1 or 2.

To sum up, the utility model provides a welding jig simple structure, dismouting convenient to use, it can be through cooling system that cooling medium, pipeline, joint etc. constitute to cool off welding jig, can show improvement radiating efficiency from this for the cooling rate of welding seam and mother metal in the welding process further reduces because the product is overheated and the inconsistent situation of product quality that warp and lead to appears, further reduces and reprocesses the cost.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 (10)

1. A laser welding jig characterized by comprising: briquetting; the circulating cavity is arranged inside the pressing block; the inlet and the outlet are arranged on the pressing block and are communicated with the circulating cavity; the inlet pipeline and the outlet pipeline are respectively and correspondingly communicated with the inlet and the outlet; and a cooling medium storage device communicated with the inlet pipeline to provide cooling medium; the cooling medium enters the circulating cavity of the pressing block through the inlet pipeline and the inlet to flow, and is discharged through the outlet pipeline and the outlet pipeline.

2. The laser welding jig of claim 1, wherein the laser welding jig further comprises: and the pressing block control assembly is connected with the pressing block and is used for driving the pressing block to move so that the pressing block can be matched with the workpiece to be welded, and therefore the workpiece to be welded is positioned.

3. The laser welding fixture of claim 1, wherein the cooling medium comprises cooling water.

4. The laser welding jig of claim 1, wherein the compact is integrally formed of a thermally conductive material.

5. The laser welding jig of claim 4, wherein the compact is integrally formed of an aluminum alloy material.

6. The laser welding jig of claim 1, wherein the circulation chamber is disposed transversely through the pressing block, and both ends of the circulation chamber are sealed by plugs.

7. The laser welding jig of claim 6, wherein the stopper blocks one/both ends of the circulation chamber in a detachable manner.

8. The laser welding fixture of claim 6, wherein the inlet line is in removable communication with the inlet via an inlet fitting and/or the outlet line is in removable communication with the outlet via an outlet fitting.

9. The laser welding fixture of claim 1, wherein the inlet line and/or the outlet line is a hose.

10. A laser welding apparatus comprising the laser welding jig of any one of claims 1 to 9.

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