Welding fixture for middle beam column of motorcycle frame

Abstract

The invention discloses a welding fixture for a middle beam column of a motorcycle frame. The welding fixture comprises a base, a triangular plate edge stop block arranged on the base, a triangular plate surface stop seat and a circular-arc-shaped groove positioning seat; the triangular plate edge stop block for fixing the left side of a triangular plate and the triangular plate surface stop seat for limiting the side surface of the triangular plate are orderly arranged in the length direction of the base; a circular tube positioning column is arranged on the right side of the base and used for fixing a circular tube; a pin rod is arranged on the triangular plate surface stop seat; a movable pressure head is hinged in the width direction of the base; the movable pressure head comprises a triangular plate pressure head for vertically fixing the triangular plate and a circular tube pressure head for vertically fixing the circular tube; the circular tube positioning column is connected with the base by use of a spring in the horizontal direction. The welding fixture for the middle beam column of the motorcycle frame has the advantages of simple and easy operations and stable clamping.

Description

technical field [0001] The invention belongs to a fixture used for fixing or positioning workpieces, in particular to a beam column welding fixture for a motorcycle frame. Background technique [0002] The frame of a motorcycle is usually welded together by a front frame, a bottom frame, a seat cushion frame, a fender mount, a pair of support tube frames, a pair of pedals and other components. Special, it needs to be welded separately before the final assembly and welding. The support between the front frame and the cushion frame is the center beam column. Because it needs to bear a large shear force, it needs to be welded separately during welding. However, the center beam (such as figure 1 As shown) itself includes triangular plates, pin tubes, and welded round tubes. Due to the lack of tools for positioning and clamping these parts, two of the three components need to be welded first, and then the third one, so that separate welding often occurs Due to the relative disp...

AI Technical Summary

Problems solved by technology

[0002] The frame of a motorcycle is usually welded together by a front frame, a bottom frame, a seat cushion frame, a fender mount, a pair of support tube frames, a pair of pedals and other components. Special, it needs to be welded separately before the final assembly and welding. The support between the front frame and the cushion frame is the center beam column. Because it needs to bear a large shear force, it needs to be welded separately during welding. However, the center beam (such as figure 1 As shown) itself includes triangular plates, pin tubes, and welded round tubes. Due to the lack of tools for positioning and clamping these parts, two of the three components need to be welded first, and then the third one, so that separate welding often occurs Due to the relative displacement, the operator needs to adjust the position of the workpiece from time to time, and the welding position is not accurate due to the movement of the workpiece, which affects the subsequent smooth assembly

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