Positioning fixture for butt welding

The utility model discloses a positioning fixture for butt welding, which comprises a square positioning plate, the edge of the longer side of the positioning plate is connected with a clamping plateprotruding towards the outer side of the positioning plate through a fastening bolt, the protruding part of the clamping plate is provided with an edge parallel to the longer side of the positioning plate, and a graduated scale is further arranged on the protruding part of the clamping plate. The clamp has the advantages that a butt-welded component is positioned through the clamp, on one hand, damage to the component is avoided, and on the other hand, a strip-shaped component welded to a jig frame can be disassembled easily. 本实用新型公开了一种用于碰焊的定位夹具，包括方形定位板，所述定位板较长边的边缘通过紧固螺栓连接有向所述定位板外侧凸出的夹板，所述夹板的凸出部具有与所述定位板较长边平行的边缘，所述夹板的凸出部上还设有刻度尺。本实用新型的有益效果：通过该夹具对碰焊焊接的构件进行定位，一方面避免对构件造成损伤，另一方面还容易对焊接在胎架上的条形构件进行拆卸。