Tailor welding jig for special alloy

Abstract

The invention relates to the technical field of welding, in particular to a special alloy tailor-welding jig which comprises a bottom plate, a base plate and a pressing plate, and the base plate is installed on the bottom plate and used for placing a product to be welded; the pressing plate is arranged on the base plate and used for pressing and covering a product to be welded on the base plate. The number of the pressing plates is two, the pressing plates are oppositely arranged in the width direction of the base plate, and a welding gap exists between the two pressing plates. A plurality of vacuum holes are formed in the middle of the upper end of the base plate and used for adsorbing a to-be-welded product, an air groove communicating with the vacuum holes is formed in the middle of the lower end of the base plate, and air channels communicating with the air groove are formed in the front end and the rear end of the bottom plate correspondingly; the device is simple in structural design, products are well fixed, the seam width is easy to adjust, welding heat is timely guided, and the device is compatible with products of different sizes.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and in particular to a welding jig for special alloys. Background Art

[0002] In the welding process of special ultra-thin alloys (thickness of 50 microns and maximum length of 1 meter), the alloy surface is required to be smooth, undamaged, unbendable, and the welding flatness is required to be less than 0.05mm.

[0003] At present, there is no special jig on the market for special ultra-thin alloy welding, and the existing welding jig cannot achieve timely conduction of welding heat, affecting the welding quality. Therefore, it is very necessary to develop a welding jig for special ultra-thin alloys. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a special alloy welding jig which has a simple structural design, better fixation of products, easy adjustment of joint width, timely conduction of welding heat, and is compatible with products of different sizes.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a welding jig for special alloys, including a base plate and

[0006] Base plate, mounted on the bottom plate, used to place the product to be welded;

[0007] and a pressing plate, arranged on the base plate, for pressing the product to be welded onto the base plate;

[0008] The pressing plates are two and are arranged opposite to each other along the width direction of the substrate, and there is a welding gap between the two pressing plates;

[0009] A plurality of vacuum holes are provided in the middle of the upper end of the substrate for adsorbing the products to be welded, an air groove connected to the plurality of vacuum holes is provided in the middle of the lower end of the substrate, and air passages connected to the air grooves are provided at the front and rear ends of the bottom plate respectively.

[0010] Furthermore, it also includes a copper bar, which is embedded in the middle of the top of the substrate and extends along the length direction of the substrate, and the vacuum holes are symmetrically arranged on the left and right sides of the copper bar.

[0011] Furthermore, an upper inclined surface and a lower straight surface are formed on opposite sides of the two pressing plates.

[0012] Furthermore, a groove is provided in the middle of the bottom end of the pressing plate.

[0013] Furthermore, the substrate is made of bakelite.

[0014] Furthermore, the pressing plate is made of metal.

[0015] Furthermore, the bottom plate is made of metal.

[0016] Furthermore, the copper bar is made of red copper.

[0017] The beneficial effects of the present invention are:

[0018] (1) The present invention absorbs the product through the vacuum hole and presses the product onto the substrate through two pressing plates, thereby preventing the product from moving and fixing the product well. At the same time, it can prevent the product from warping and other deformations, thereby ensuring the welding flatness and welding quality. The structural design is simple, the seam width is easy to adjust, and it is compatible with products of different sizes.

[0019] (2) The present invention timely guides and disperses the welding heat through the arrangement of the copper strip, thus avoiding heat accumulation and further ensuring the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 is a cross-sectional view of the present invention;

[0023] Figure 3 yes Figure 2 Enlarged view of part A in the middle;

[0024] Figure 4 is a schematic diagram of a substrate in the present invention;

[0025] Figure 5 is a schematic diagram of a pressure plate in the present invention;

[0026] Figure 6 is a front view of the pressure plate of the present invention;

[0027] Figure 7 It is a cross-sectional view of the bottom plate of the present invention.

[0028] In the figure: 100, bottom plate; 110, air channel; 200, base plate; 210, vacuum hole; 220, air groove; 300, pressure plate; 310, upper inclined surface; 320, lower straight surface; 330, groove; 400, welding gap; 500, copper strip. DETAILED DESCRIPTION

[0029] The present invention will now be further described in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0030] like Figure 1-Figure 7 As shown, a welding jig for special alloys includes a bottom plate 100, a base plate 200 and a pressing plate 300. The base plate 200 is installed on the bottom plate 100 for placing the product to be welded; the pressing plate 300 is arranged on the base plate 200 for pressing the product to be welded onto the base plate 200; the pressing plates 300 are two pieces, which are arranged opposite to each other along the width direction of the base plate 200, and there is a welding gap 400 between the two pressing plates 300; a plurality of vacuum holes 210 are opened in the middle of the upper end of the base plate 200 for adsorbing the product to be welded, an air groove 220 connected to the plurality of vacuum holes 210 is opened in the middle of the lower end of the base plate 200, and air channels 110 connected to the air grooves 220 are respectively opened at the front and rear ends of the bottom plate 100. The product is adsorbed by the vacuum hole 210 and pressed onto the substrate 200 by two pressing plates 300, so as to avoid movement of the product and better fix the product. At the same time, it can prevent the product from warping and other deformations, thus ensuring the welding flatness and quality. The structural design is simple, the seam width is easy to adjust, and it is compatible with products of different sizes.

[0031] Specifically, the bottom plate 100 is made of metal with high strength to support the strength of the non-metallic substrate 200, which can ensure the safety of the substrate 200 and ensure that the substrate 200 has no self-deformation and avoids deformation or breakage that may occur during transportation; the substrate 200 is made of bakelite with good processability and small stress deformation. When the length is long (greater than 1 meter), the flatness of the substrate 200 can be guaranteed to be less than 0.03mm; the pressing plate 300 is made of metal to ensure weight, thereby having a better fixing effect on the product; an upper inclined surface 310 and a lower straight surface 320 are formed on the opposite sides of the two pressing plates 300, and the upper inclined surface 310 is set to avoid the laser welding head during welding (not shown in the figure); a groove 330 is opened in the middle of the bottom end of the pressing plate 300, which converts the entire surface pressure of the pressing plate 300 into two line pressures, ensuring flatness while reducing the time and cost of the overall grinding of the pressing plate 300; the airway 110 is connected to the vacuum equipment (not shown in the figure); the airway 110 is L-shaped.

[0032] like Figure 3 As shown, the special alloy welding jig also includes a copper bar 500, which is embedded in the middle of the top of the substrate 200 and extends along the length direction of the substrate 200. The setting of the copper bar 500 can timely guide and disperse the welding heat to avoid heat accumulation, further ensuring the welding quality. Specifically, the copper bar 500 is made of red copper, which has moderate hardness and good processing performance; the vacuum holes 210 are set on the left and right sides of the copper bar 500, and the closer to the copper bar 500, the denser the vacuum holes 210 are, thereby ensuring the stability of the product welding.

[0033] During welding, two products are placed on the substrate 200, the vacuum holes 210 absorb the products, and then the two pressing plates 300 press the two products on the substrate 200, and the laser welding head enters the welding gap 400 to weld the joint of the two products. At this time, the laser welding head is less than 10mm away from the welding plane. When adjusting the seam width, disconnect the vacuum equipment.

[0034] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it. They cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding jig for special alloys, comprising a base plate (100), characterized in that: Also includes A base plate (200), mounted on the bottom plate (100), for placing products to be welded; and a pressing plate (300), which is arranged on the base plate (200) and is used to press the product to be welded onto the base plate (200); The pressing plates (300) are in two pieces, which are arranged opposite to each other along the width direction of the base plate (200), and a welding gap (400) exists between the two pressing plates (300); A plurality of vacuum holes (210) are provided in the middle of the upper end of the substrate (200) for adsorbing the products to be welded, an air groove (220) is provided in the middle of the lower end of the substrate (200) and is connected to the plurality of vacuum holes (210), and air channels (110) are provided at the front and rear ends of the bottom plate (100) and are connected to the air groove (220).

2. The special alloy tailor welding jig according to claim 1, characterized in that: It also comprises a copper bar (500), which is embedded in the middle of the top end of the substrate (200) and extends along the length direction of the substrate (200), and the vacuum holes (210) are symmetrically arranged on the left and right sides of the copper bar (500).

3. The special alloy tailor welding jig according to claim 1, characterized in that: An upper inclined surface (310) and a lower straight surface (320) are formed on opposite sides of the two pressing plates (300).

4. The special alloy tailor welding jig according to claim 1, characterized in that: A groove (330) is provided in the middle of the bottom end of the pressing plate (300).

5. The special alloy tailor welding jig according to claim 1, characterized in that: The substrate (200) is made of bakelite.

6. The special alloy tailor welding jig according to claim 1, characterized in that: The pressing plate (300) is made of metal.

7. The special alloy tailor welding jig according to claim 1, characterized in that: The bottom plate (100) is made of metal.

8. The special alloy tailor welding jig according to claim 2, characterized in that: The copper bar (500) is made of red copper.

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