Deformable welding fixture for plate splicing welding with linear and curved weld seams

A technology for welding fixtures and straight line welds, which is applied in welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., and can solve problems such as inability to realize curved weld seam welding, cumbersome clamping and positioning of tailored welded blanks, and poor heat dissipation during welding. , to prevent deformation and distortion, facilitate clamping, and improve quality

Inactive Publication Date: 2007-08-22
JIANGSU UNIV
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  • Abstract
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Problems solved by technology

At the same time, the device adopts a roller-type rolling and joining device, so that the gap between the tailor-welded blanks can be rolled and joined, which can greatly improve the laser welding quality and welding strength of the finished workpiece, and reduce the reject rate. The disadvantage of this device is that The design is complex, the equipment is huge, the mobility is poor, and the cost of use is too high
[0008] The laser tailor welded blank welding fixture designed by C.H.Cheng of the Hong Kong Polytechnic University can meet the laser tailor welded blank welding requirements of his experiment, but the fixture design cannot realize the welding of the curve weld, and its welding heat dissipation is poor, and the tailor welded blank The clamping positioning is also more cumbersome

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  • Deformable welding fixture for plate splicing welding with linear and curved weld seams
  • Deformable welding fixture for plate splicing welding with linear and curved weld seams

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Embodiment Construction

[0029] Taking the welding of curved seams as an example, the details and working conditions of the specific device proposed by the present invention will be described in detail in conjunction with FIG. 1 .

[0030] The clamp is based on the base (10), and the steps on the base (10) are used in conjunction with the base height adjustment piece (11). By changing the thickness of the base height adjustment piece (11), the height difference of the base step is adjusted, and the curve welding seam When welding, the welding of tailor-welded blanks with different thicknesses can be realized. As shown in Figure 1, the pressure plate (3') (4') is supported by the pad (7), and the hexagon socket screw B (6) passes through the pressure plate (3 ')(4') and cushion block (7) to fix it on the base (10), and the positioning block (1) is put into the weld groove to help the tailor welded blank to be positioned, as shown in Figure 1(b), so that The advantage of positioning is that no matter ho...

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Abstract

The present invention is a double-purpose deformable welding fixture for welding linear and curved weld seams, and the fixture has linear welding slot and curved welding slot integrated onto one pedestal to reach the double-purpose aim. The double-purpose deformable welding fixture consists of one pedestal height difference structure comprising one thickness difference step and one height regulating tab for fitting different welding thickness, and one clamping screw mechanism comprising right and left pressing boards with screw holes and corresponding cap screws. It can regulate clamping force and control welding deformation by means of novel flexible location mode, and is suitable for linear and curved welding of common steel plate, high strength steel plate, aluminum plate, etc of different sizes.

Description

technical field [0001] The invention relates to the field of thin plate welding, in particular to a deformation fixture that can be used for welding straight and curved welded blanks, and is mainly used in joint welding of thin plate materials such as steel plates and aluminum plates of different thicknesses and properties. This device can realize the welding of tailor-welded blanks with different weld shape combinations, different thickness combinations, and various tailor-welded blank sizes. At the same time, the welding clamping force can be controlled by multi-point adjustment, and the flatness and smoothness of the welding edge can be well controlled. Welding gap, and finally get the weldment that meets the welding quality requirements. Background technique [0002] Welding fixtures are indispensable auxiliary equipment for metal structure welding and an important part of the welding process. During the welding process, it mainly plays the role of maintaining and ensur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/053B23K37/00
Inventor 陈炜盛杰雷玉成朱强郭伟刚
Owner JIANGSU UNIV
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