CN115246057A

CN115246057A - Welding fixture

Info

Publication number: CN115246057A
Application number: CN202110469148.XA
Authority: CN
Inventors: 黎帆; 伍超; 周昊; 张明杰; 姜守钟
Original assignee: Kunshan Ju Innovative Energy Technology Co Ltd
Current assignee: Kunshan Ju Innovative Energy Technology Co Ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-10-28

Abstract

The invention relates to the technical field of welding, and discloses a welding fixture which comprises a bottom plate, a clamping structure and a water cooling structure, wherein the bottom plate can conduct heat; the clamping structure can clamp and fix the workpiece to be welded on the bottom plate; the water cooling structure is arranged on one side, away from the workpiece to be welded, of the bottom plate, and the workpiece to be welded can dissipate heat through the bottom plate and the water cooling structure. The welding fixture is good in heat dissipation effect, can prevent heat accumulation generated in the welding process from causing structural damage which does not resist high temperature in the workpiece to be welded, and can also avoid thermal deformation or thermal stress of the workpiece to be welded, so that the welding quality of the workpiece to be welded is guaranteed.

Description

Welding fixture

Technical Field

The invention relates to the technical field of welding, in particular to a welding clamp.

Background

In a welding process, a welding fixture is generally required to clamp a workpiece to be welded so as to provide positioning and clamping effects for the workpiece to be welded, and then the workpiece to be welded is welded. A typical welding fixture generally includes a base plate and a clamping structure disposed on the base plate with a workpiece to be welded clamped between the clamping structure and the base plate. In some welding processes, such as laser welding processes, a large amount of heat is generated, which on the one hand can affect the structure of the non-refractory junction in the workpiece to be welded, and on the other hand can easily cause thermal deformation or stress of the workpiece to be welded, which affects the welding quality of the workpiece to be welded.

Disclosure of Invention

The invention aims to provide a welding fixture which has a good heat dissipation effect and can ensure the welding quality of a workpiece to be welded.

Therefore, the invention adopts the following technical scheme:

a welding fixture, comprising:

a base plate capable of conducting heat;

the clamping structure can clamp and fix a workpiece to be welded on the bottom plate;

the water cooling structure is arranged on one side, away from the workpiece to be welded, of the bottom plate, and the workpiece to be welded can dissipate heat through the bottom plate and the water cooling structure.

As a preferable scheme of the welding fixture, the water cooling structure comprises a water cooling plate, and the water cooling plate is arranged on one side of the bottom plate, which is far away from the workpiece to be welded.

As a preferable scheme of the welding fixture, the bottom plate is made of a heat conduction material.

As a preferred scheme of the welding fixture, heat conducting glue is filled between the bottom plate and the water cooling structure.

As a preferred scheme of the welding fixture, a plurality of through holes are formed in the bottom plate and are arranged at intervals, heat-conducting glue is filled in each through hole, the through holes and the heat-conducting glue filled in the through holes form heat-conducting parts, and two ends of each heat-conducting part are respectively abutted to the workpiece to be welded and the water-cooling structure.

As a preferable scheme of the welding fixture, the clamping structure includes a clamping plate, the workpiece to be welded is clamped between the clamping plate and the bottom plate, and the clamping plate is made of a heat conducting material.

As a preferred scheme of welding jig, clamping structure includes the splint, treat that the welded article centre gripping is in splint with between the bottom plate, the louvre that sets up in a plurality of intervals is seted up on the splint.

As a preferable mode of the welding jig, a side of the clamping plate near the workpiece to be welded protrudes to form a crimping line, and the clamping plate crimps the workpiece to be welded to the bottom plate through the crimping line.

As a welding jig's preferred scheme, the quantity of crimping line is a plurality of, and is a plurality of crimping line interval sets up, adjacent two form the heat dissipation chamber between the crimping line, every the bottom in heat dissipation chamber all is equipped with at least one the louvre, heat dissipation chamber and corresponding all fill in the louvre has heat-conducting glue, so that treat the heat of welding workpiece can by in proper order the heat dissipation chamber with correspond the louvre effluvium.

As a preferred scheme of the welding fixture, the welding fixture comprises an air cooling structure, and an air outlet end of the air cooling structure is opposite to the clamping plate.

The invention has the beneficial effects that:

the invention provides a welding fixture which comprises a bottom plate, a clamping structure and a water cooling structure, wherein the welding fixture radiates heat of a workpiece to be welded through the bottom plate and the water cooling structure, the radiating effect is good, the structural damage of the workpiece to be welded, which is not high in temperature resistance and caused by heat accumulation in the welding process, can be avoided, and the thermal deformation or thermal stress of the workpiece to be welded can be avoided, so that the welding quality of the workpiece to be welded is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a welding fixture according to an embodiment of the present invention.

In the figure:

1-a bottom plate; 2-clamping plates; 3-water cooling plate;

100-a welding fixture; 200-the workpiece to be welded.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

Example one

As shown in fig. 1, the present embodiment provides a welding fixture 100, where the welding fixture 100 includes a bottom plate 1, a clamping structure, and a water cooling structure, where the bottom plate 1 is capable of conducting heat; the clamping structure can clamp and fix the workpiece 200 to be welded on the bottom plate 1; the water cooling structure is arranged on one side of the base plate 1 far away from the workpiece 200 to be welded, and the workpiece 200 to be welded can dissipate heat through the base plate 1 and the water cooling structure. The welding fixture 100 dissipates heat of the workpiece 200 to be welded through the bottom plate 1 and the water cooling structure, has a good heat dissipation effect, can prevent heat accumulation generated in the welding process from causing damage to structures which are not resistant to high temperature in the workpiece 200 to be welded, and can also prevent the workpiece 200 to be welded from generating thermal deformation or thermal stress, thereby ensuring the welding quality of the workpiece 200 to be welded.

It can be understood that the welding fixture 100 has a good heat dissipation effect, can also avoid thermal deformation of the clamping structure and the bottom plate 1, and can ensure the clamping effect of the workpiece 200 to be welded, thereby further ensuring the welding quality of the workpiece 200 to be welded.

Specifically, the water cooling structure comprises a water cooling plate 3, the water cooling plate 3 is arranged on one side of the bottom plate 1 far away from the workpiece 200 to be welded, the water cooling plate 3 has a good heat dissipation effect, and the heat dissipation effect of the workpiece 200 to be welded can be ensured; in addition, the thickness of the water-cooled plate 3 is small, and the overall structure of the welding jig 100 can be made compact.

Optionally, the bottom plate 1 is made of a heat conducting material, so that heat generated in the welding process can be transferred from the bottom plate 1 to a water cooling structure, thereby dissipating heat of the workpiece 200 to be welded.

Further, in order to improve the effect of transferring heat from the bottom plate 1 to the water-cooling structure and improve the heat dissipation effect of the welding fixture 100, a heat-conducting glue is filled between the bottom plate 1 and the water-cooling structure. Because the air is a poor heat conductor, a gap exists between the bottom plate 1 and the water cooling structure, and the heat transfer effect between the bottom plate 1 and the water cooling structure is influenced. The heat conduction glue has good heat conductivity and can fill the gap between the base plate 1 and the water cooling structure, thereby improving the heat transfer effect, reducing the processing precision requirement on the base plate 1 and the water cooling structure and reducing the manufacturing cost of the welding fixture 100.

Of course, the heat conduction manner of the base plate 1 is not limited thereto. In other embodiments, the bottom plate 1 may also dissipate heat through other heat dissipation structures. Illustratively, a plurality of through holes are formed in the bottom plate 1, and the through holes are arranged at intervals, so that the workpieces 200 to be welded can dissipate heat through the through holes in the bottom plate 1. Furthermore, each through hole is filled with heat-conducting glue, the heat-conducting glue filled in the through holes and the through holes forms a heat-conducting part, and two ends of the heat-conducting part are respectively abutted to the workpiece to be welded 200 and the water-cooling structure, so that the workpiece to be welded 200 can be cooled through the heat-conducting part and the water-cooling structure, the heat-conducting requirement on the manufacturing material of the bottom plate 1 is low, and the heat-radiating effect of the workpiece to be welded 200 can be ensured.

It is understood that increasing the contact area of the heat conduction portion and the workpiece 200 to be welded can improve the heat dissipation effect of the workpiece 200 to be welded. In addition, the cross-sectional shape of the through hole may be circular, or may be other shapes, and the shapes of the plurality of cross-sections of the through hole in the vertical direction may also be different, and may be set according to actual needs, which is not limited in this embodiment.

Alternatively, the clamping structure includes a clamping plate 2, and the workpiece 200 to be welded is clamped between the clamping plate 2 and the base plate 1. Further, the quantity of splint 2 is a plurality of, and a plurality of splint 2 set up along the periphery interval of waiting to weld workpiece 200, can improve the centre gripping effect of waiting to weld workpiece 200 to guarantee to wait to weld workpiece 200's welding quality.

Preferably, the clamping plate 2 is made of a heat conductive material, so that part of heat generated on the workpiece 200 to be welded can be dissipated by the clamping plate 2, thereby further improving the heat dissipation effect of the welding fixture 100 and ensuring the welding quality of the workpiece 200 to be welded.

Illustratively, the clamping plate 2 can slide in a direction close to the base plate 1 to clamp and fix the workpiece 200 to be welded. Specifically, clamping structure still includes the installed part, and the one end of installed part sets up on bottom plate 1, and splint 2 slides and sets up on the installed part. Wherein, in order to further improve splint 2's radiating effect, the installed part also can adopt the heat conduction material to make splint 2 dispel the heat through installed part, bottom plate 1 and water-cooling structure. It can be understood that the mounting component may be welded to the base plate 1, or may be detachably disposed on the base plate 1, and may be disposed according to actual needs, which is not limited in this embodiment.

Further, a heat-conducting glue can be filled between the mounting piece and the bottom plate 1 to further improve the heat dissipation effect of the clamping plate 2.

Of course, the arrangement mode of the clamping plate 2 is not limited to this, in other embodiments, the clamping plate 2 may also be detachably arranged on the bottom plate 1 through a connector to realize the fixed clamping of the workpiece 200 to be welded, and the arrangement mode may be set according to actual needs, which is not limited in this embodiment.

Preferably, this welding jig 100 still includes the forced air cooling structure, and the air-out end of forced air cooling structure sets up with splint 2 is relative to the heat diffusion of splint 2 is accelerated, improves this welding jig 100's radiating effect.

Example two

The present embodiment provides a welding jig 100, and the difference between the welding jig 100 and the first embodiment lies in the heat conduction manner of the clamping plate 2.

Specifically, a plurality of heat dissipation holes are formed in the clamping plate 2 at intervals, and heat generated by the workpiece 200 to be welded can be diffused through the heat dissipation holes so as to further dissipate heat of the workpiece 200 to be welded.

Optionally, a side of the clamping plate 2, which is close to the workpiece 200 to be welded, protrudes to form a crimping line, the clamping plate 2 crimps the workpiece 200 to be welded on the bottom plate 1 through the crimping line, and surface contact is replaced by line contact, so that the clamping effect of the workpiece 200 to be welded can be ensured, and the welding quality of the workpiece 200 to be welded is ensured.

Preferably, the number of the crimping lines on the clamping plate 2 is multiple, and the multiple crimping lines are arranged at intervals, so that the crimping effect on the workpiece 200 to be welded can be improved.

Further, a heat dissipation cavity is formed between every two adjacent crimping lines, at least one heat dissipation hole is formed in the bottom of each heat dissipation cavity, and heat conducting glue is filled in each heat dissipation cavity and the corresponding heat dissipation holes, so that heat of the workpiece to be welded 200 can be dissipated out of the heat dissipation cavities and the corresponding heat dissipation holes in sequence, and the heat dissipation effect is good.

In the description of the present specification, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 embodiment and simplifying the description, and do not indicate or imply that the device or structure referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, cannot 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. Wherein the terms "first position" and "second position" are two different positions.

In the description herein, references to "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A welding jig, characterized in that the welding jig includes:

a base plate (1), the base plate (1) being thermally conductive;

the clamping structure can clamp and fix a workpiece (200) to be welded on the bottom plate (1);

the water cooling structure is arranged on one side, away from the workpiece to be welded (200), of the bottom plate (1), and the workpiece to be welded (200) can dissipate heat through the bottom plate (1) and the water cooling structure.

2. The welding fixture according to claim 1, characterized in that the water-cooled structure comprises a water-cooled plate (3), the water-cooled plate (3) being arranged on a side of the base plate (1) remote from the workpiece (200) to be welded.

3. The welding fixture according to claim 1, characterized in that the base plate (1) is made of a heat conducting material.

4. The welding fixture according to claim 3, characterized in that a heat conducting glue is filled between the bottom plate (1) and the water cooling structure.

5. The welding fixture according to claim 1, wherein a plurality of through holes are formed in the bottom plate (1), the through holes are arranged at intervals, each through hole is filled with heat-conducting glue, the through holes and the heat-conducting glue filled in the through holes form heat-conducting portions, and two ends of each heat-conducting portion are respectively abutted against the workpiece (200) to be welded and the water-cooling structure.

6. The welding fixture according to claim 1, characterized in that the clamping structure comprises a clamping plate (2), the workpiece (200) to be welded is clamped between the clamping plate (2) and the base plate (1), and the clamping plate (2) is made of a heat conducting material.

7. The welding fixture of claim 1, characterized in that the clamping structure comprises a clamping plate (2), the workpiece (200) to be welded is clamped between the clamping plate (2) and the bottom plate (1), and a plurality of heat dissipation holes are formed in the clamping plate (2) at intervals.

8. The welding jig of claim 7, characterized in that one side of the clamping plate (2) close to the workpiece (200) to be welded protrudes to form a crimping line, and the clamping plate (2) crimps the workpiece (200) to be welded to the bottom plate (1) through the crimping line.

9. The welding fixture according to claim 8, wherein the number of the crimping lines is multiple, the plurality of crimping lines are arranged at intervals, a heat dissipation cavity is formed between two adjacent crimping lines, at least one heat dissipation hole is formed in the bottom of each heat dissipation cavity, and heat conduction glue is filled in each heat dissipation cavity and the corresponding heat dissipation hole, so that heat of the workpiece (200) to be welded can be dissipated from the heat dissipation cavity and the corresponding heat dissipation hole in sequence.

10. The welding jig of any one of claims 6 to 9, characterized in that the welding jig comprises an air-cooled structure, and an air outlet end of the air-cooled structure is arranged opposite to the clamping plate (2).