CN214291470U - Clamp for laser welding of sheet material - Google Patents
Clamp for laser welding of sheet material Download PDFInfo
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- CN214291470U CN214291470U CN202120121828.8U CN202120121828U CN214291470U CN 214291470 U CN214291470 U CN 214291470U CN 202120121828 U CN202120121828 U CN 202120121828U CN 214291470 U CN214291470 U CN 214291470U
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Abstract
The utility model discloses an anchor clamps that sheet material laser welding used contains the layer board and arranges in it and be used for pressfitting sheet material's clamp plate, offers the welding seam passageway that is used for supplying the laser beam to pass through on the clamp plate, and the support is installed to four bight positions of clamp plate, all installs the rectilinear clamp collet that is used for compressing tightly the clamp plate on the support, is four summit formulas of quadrangle and distributes. The pressing force distribution among the plates is balanced by the pressing heads of the four symmetrically distributed vertical clamp pressers, the pressing effect can be effectively realized, and the laser beams pass through the welding seam channel, so that the welding area and range are more accurate; the pressing force among the materials is distributed evenly, so that the welded plates can be tightly clamped, and the thermal deformation during welding is reduced; the pressing force is distributed evenly to ensure that the plates are completely attached, and even if large thermal deformation is generated in the welding process, the welding quality is not influenced; the fixture has reasonable structure, does not influence the laser welding adjusting space, and is convenient to assemble and disassemble materials during welding.
Description
Technical Field
The utility model relates to an anchor clamps that sheet material laser welding used belongs to laser welding processing technology field.
Background
At present, welding is widely used in the fields of machine manufacturing, petrochemical engineering, bridges, ships, buildings, power engineering, traffic vehicles, aerospace and the like as a method for realizing permanent connection of materials, and becomes an indispensable processing technology in the machine manufacturing industry. Moreover, with the development of national economy, the application field thereof will be continuously widened. The laser welding fully exerts the advanced, rapid and flexible processing characteristics in industrial production, is not only a technical guarantee for the development of new industrial products, but also an indispensable technical means for high-quality and low-cost production.
Laser welding enables the joining of many types of materials and is generally not as advantageous as conventional fusion welding processes. At present, a fiber laser is generally adopted for welding thin-wall metal as a laser source, and the laser power density required by welding the thin-wall material is small (generally 1500-1700 w/cm)2) And therefore the required laser does not require too good a beam quality.
Besides selecting a proper laser and optimizing process parameters (controlling proper laser energy output), the tool clamp is also used as an external factor to realize good welding in the laser welding of the thin-wall parts. Since the welding deformation affects the bearing capacity of the structure and the precision of the structure, the welding deformation has very serious consequences particularly for a thin plate precision structure.
Aiming at the problems that the laser welding deformation of a thin plate material is large and the welding seam precision cannot meet the welding requirement, a welding clamp needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a anchor clamps that sheet material laser welding used.
The purpose of the utility model is realized through the following technical scheme:
the clamp for laser welding of the sheet material is characterized in that: the clamp comprises a supporting plate and a pressing plate arranged on the supporting plate and used for pressing thin plate materials, wherein a welding seam channel for laser beams to pass through is formed in the pressing plate, supports are installed at four corner positions of the pressing plate, and vertical clamp pressers used for pressing the pressing plate are installed on the supports and are distributed in a quadrilateral four-vertex mode.
Further, in the above-mentioned clamp for laser welding of sheet materials, a rubber pad is mounted on the pressing head of the vertical clamp pressing device.
Further, the clamp for laser welding of the sheet material is characterized in that the pressure plate is provided with at least three positioning points for limiting the degree of freedom of the sheet material.
Further, in the above-described jig for laser welding of a thin plate material, the material of the pressure plate is stainless steel, aluminum or an alloy.
Further, the clamp for laser welding of the thin plate material is characterized in that the thickness of the pressing plate is 0.3-0.5 mm, and the width of the pressing plate is 10-15 mm.
Further, in the above-described jig for laser welding of a thin plate material, a bottom surface of the pressing plate is coated with a soft material layer.
Further, in the above jig for laser welding of a thin plate material, the soft material layer is made of leather or plastic.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
firstly, the utility model has novel design, the pressing force distribution among the plates is balanced by the pressing heads of the four symmetrically distributed vertical type clamp compactors, and the compressing effect can be effectively realized, and the laser beam passes through the welding seam channel, so that the welding area and range are more accurate;
the pressing force among the materials is distributed evenly, so that the welded plates can be tightly clamped, and the thermal deformation during welding is reduced; the pressing force is distributed evenly to ensure that the plates are completely attached, and even if large thermal deformation is generated in the welding process, the welding quality is not influenced;
the fixture is reasonable in structure, does not affect the laser welding adjusting space, facilitates material loading and unloading during welding, is simple to disassemble, well meets the laser welding requirements of thin-wall materials, avoids welding deformation and ensures welding seam precision.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1: the structure of the utility model is schematically shown.
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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the fixture for laser welding of sheet materials comprises a supporting plate 1 and a pressing plate 2 arranged on the supporting plate for pressing the sheet materials, wherein a welding seam channel 5 for laser beams to pass through is formed in the pressing plate 2, supports 3 are arranged at four corners of the pressing plate 2, and vertical clamp pressers 4 for pressing the pressing plate 2 are arranged on the supports 3 and are distributed in a quadrilateral four-vertex manner.
And a rubber pad is arranged on a press-fit head of the vertical clamp pressing device 4.
The pressing plate 2 is at least provided with three positioning points for limiting the degree of freedom of the sheet material; the degree of freedom of the sheet material is controlled to prevent translational movement.
The pressing plate 2 is made of stainless steel, aluminum or alloy; the thickness of the pressing plate 2 is 0.3-0.5 mm, and the width is 10-15 mm; the bottom surface of the pressing plate 2 is coated with a soft material layer, and the soft material layer can be made of leather or plastic.
When the device is applied to laser welding of sheet materials, firstly, a wrench of a vertical clamp pressing device 4 is pulled downwards, a pressing head of the vertical clamp pressing device 4 is in an inoperative state, a sheet material to be welded is placed on a supporting plate 1, and a pressing plate 2 is placed on the sheet material; then moving a spanner of the vertical clamp pressing device 4 upwards, and pressing the pressing plate 2 by the pressing heads of the four vertical clamp pressing devices 4 until the thin plate to be welded is tightly pressed; the laser light path carries out scanning heating along the welding seam channel 5; after welding, the wrench of the vertical clamp pressing device 4 can be pulled downwards again, and the welded workpiece is taken out and fed again.
The pressing force distribution among the plates is balanced by the pressing heads of the four symmetrically distributed vertical clamp pressers, the pressing effect can be effectively realized, and the laser beams pass through the welding seam channel, so that the welding area and range are more accurate. The welding machine has the advantages that materials can be conveniently assembled and disassembled during welding, pressing force among the materials can be evenly distributed, a tight clamping effect can be achieved on the welded plates, and thermal deformation during welding is reduced.
The fixture has reasonable structure, does not influence the laser welding adjusting space, ensures that the plates are completely attached due to the balanced distribution of pressing force, and does not influence the welding quality even if large thermal deformation is generated in the welding process. The fixture is simple to disassemble, the requirement of laser welding of thin-wall materials is well met, welding deformation is avoided, and welding seam precision is guaranteed. The welding efficiency is obviously improved, and the method is simple, easy and applicable and is a practical new design.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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.
Claims (7)
1. The clamp for laser welding of the sheet material is characterized in that: contain layer board (1) and arrange in clamp plate (2) that are used for pressfitting sheet metal material on it, offer weld passage (5) that are used for supplying the laser beam to pass through on clamp plate (2), support (3) are installed to four bight positions of clamp plate (2), all install on support (3) and be used for compressing tightly vertical clamp compactor (4) of clamp plate (2), are four summit formulas of quadrangle and distribute.
2. The jig for laser welding of sheet materials according to claim 1, characterized in that: and a rubber pad is arranged on a press-fit head of the vertical clamp pressing device (4).
3. The jig for laser welding of sheet materials according to claim 1, characterized in that: the pressure plate (2) is provided with at least three positioning points for limiting the degree of freedom of the sheet material.
4. The jig for laser welding of sheet materials according to claim 1, characterized in that: the material of the pressure plate (2) is stainless steel, aluminum or alloy.
5. The jig for laser welding of sheet materials according to claim 1 or 4, characterized in that: the thickness of the pressing plate (2) is 0.3-0.5 mm, and the width is 10-15 mm.
6. The jig for laser welding of sheet materials according to claim 1 or 4, characterized in that: the bottom surface of the pressing plate (2) is coated with a soft material layer.
7. The jig for laser welding of sheet materials according to claim 6, characterized in that: the soft material layer is made of leather or plastic.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120121828.8U CN214291470U (en) | 2021-01-18 | 2021-01-18 | Clamp for laser welding of sheet material |
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CN202120121828.8U CN214291470U (en) | 2021-01-18 | 2021-01-18 | Clamp for laser welding of sheet material |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114248027A (en) * | 2021-11-23 | 2022-03-29 | 深圳泰德激光技术股份有限公司 | Pressing jig and laser welding device |
CN115156710A (en) * | 2022-08-10 | 2022-10-11 | 江苏锦丰业汽车新材料科技有限公司 | Automobile plate laser tailor-welding anti-deformation system and working method thereof |
-
2021
- 2021-01-18 CN CN202120121828.8U patent/CN214291470U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114248027A (en) * | 2021-11-23 | 2022-03-29 | 深圳泰德激光技术股份有限公司 | Pressing jig and laser welding device |
CN115156710A (en) * | 2022-08-10 | 2022-10-11 | 江苏锦丰业汽车新材料科技有限公司 | Automobile plate laser tailor-welding anti-deformation system and working method thereof |
CN115156710B (en) * | 2022-08-10 | 2023-10-20 | 江苏锦丰业汽车新材料科技有限公司 | Anti-deformation system for laser splice welding of automobile plate and working method thereof |
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