A step-by-step reconfigurable flexible compression mechanism

Abstract

The invention belongs to the technical field of laser welding, and particularly discloses a step-by-step reconfigurable flexible compression mechanism which comprises a compression plate, dovetail groove plates, base plates and compression movable plates. The dovetail groove plates are mounted in grooves of the compression plate, the base plates are arranged among the compression plate and the compression movable plates, elastic reinforced gaskets are arranged on surfaces, which are in contact with welded plates, of the dovetail groove plates, the dovetail groove plates are uniformly arrayed at intervals, the quantity of the dovetail groove plates and intervals among the dovetail groove plates are set according to requirements of the welded plates, sliders are arranged in pits of the compression movable plates, guide rails are arranged on the sliders, and direct couplings are arranged among cylinders and the compression movable plates. The step-by-step reconfigurable flexible compression mechanism has the advantages that a compression effect is good owing to a flexible compression technology, the dovetail groove plates directly act on the welded plates, and force application directions are reasonable; the dovetail groove plates are reconfigurable, and the quantity of the dovetail groove plates and the intervals among the dovetail groove plates can be computed according to the requirements of the welded plates; the step-by-step compression speed is uniform, and the problem of inaccurate welding positions is solved; owing to pneumatic compression, equipment composition is simplified, and the cost is saved.

Description

technical field [0001] The invention belongs to the technical field of laser welding, in particular to a step-by-step reconfigurable flexible pressing mechanism. Background technique [0002] Laser welding uses laser as welding energy to butt weld a number of plates with different materials, different thicknesses and different coatings. Due to the small diameter of the laser beam in laser welding, there are very strict requirements on the gap between the plates to be welded during the laser welding process, and due to the existence of welding stress, the gap of the weld seam will change during the welding process, which will affect the welding quality. [0003] In order to effectively fix the plate, meet the flatness requirements of laser welding for the welded plate after compression, and ensure that the welding quality will not be affected by the edge of the plate due to welding stress during the welding process, the plate is usually pressed. [0004] In the current laser...

AI Technical Summary

Problems solved by technology

[0004] In the current laser spot welding production line, when the plate material, plate thickness, and plate coating change during the welding process, the welding edge will produce unreasonable extrusion or relative movement during the plate splicing and assembly process, which will affect the welding quality. The plate material, plate thickness must be 1. Only when the coating of the plate is consistent can it be ensured that the welding quality will not be affected by the existence of welding stress during the welding process; Need to adjust the production line at will

Images