Analysis of the fixture design requirements for medium frequency spot welding machines

The accuracy of the welding structure of the medium frequency spot welding machine is not only related to the accuracy of each part preparation and the dimensional accuracy in the processing process, but also depends to a large extent on the accuracy of the assembly-welding fixture itself, and the accuracy of the fixture mainly refers to the positioning of the fixture In terms of the tolerance of the positioning dimensions and position dimensions of the parts, this is determined by the accuracy of the workpieces to be assembled and welded. Therefore, it can be seen that the accuracy of the welding structure is closely related to the accuracy of the tooling fixture.

Basic requirements for the specific design of the clamp Main requirements:

It has sufficient strength and stiffness to ensure that the clamp body works normally during assembly or welding, and does not cause impermissible deformation and vibration under the action of clamping force, welding deformation restraint force, gravity and inertial force.

The structure is simple and light. The structure is as simple and compact as possible while ensuring strength and stiffness. It is small in size, light in weight and easy to load and unload workpieces. Windows, grooves, etc. can be opened in parts that do not affect the strength and stiffness to reduce the structural quality. Especially for manual or mobile clamps, their mass generally does not exceed 10kg.

The installation is stable and reliable. The clamp body can be placed on the foundation of the workshop or installed on the workbench (frame) of the positioning machine. In order to be stable, its center of gravity should be as low as possible. If the center of gravity is high, the supporting area will be increased accordingly. In the middle of the bottom surface It is usually hollowed out to make the surrounding area protrude.

The structure has good craftsmanship and should be easy to manufacture, assemble and inspect. Each positioning base surface on the clamp body and the base surface for installing various components should be processed. If it is a casting, a 3mm-5mm boss should be cast to reduce the processing area. There should be a certain gap between the unprocessed matte surface and the surface of the workpiece, usually 8mm-15mm to avoid interference with the workpiece. If it is a smooth surface, it should be 4mm-10mm.

The dimensions must be stable and have a certain degree of accuracy. The cast clamps must be aged and the welded clamp bodies must be annealed. Each positioning surface and mounting surface must have appropriate size and shape accuracy.

Easy to clean. During the assembly and welding process, splash, smoke and other debris will inevitably fall into the fixture and should be easy to clean.

Suzhou Agera Automation Equipment Co., Ltd. is an enterprise engaged in the development of automated assembly, welding, testing equipment and production lines. It is mainly used in home appliance hardware, automobile manufacturing, sheet metal, 3C electronics industries, etc. According to customer needs, we can develop and customize various welding machines, automated welding equipment, assembly and welding production lines, assembly lines, etc., to provide appropriate automated overall solutions for enterprise transformation and upgrading, and help enterprises quickly realize the transformation from traditional production methods to mid-to-high-end production methods. Transformation and upgrading services. If you are interested in our automation equipment and production lines, please contact us: leo@agerawelder.com