JPH039277U

JPH039277U -

Info

Publication number: JPH039277U
Application number: JP6710789U
Authority: JP
Priority date: 1989-06-06
Filing date: 1989-06-06
Publication date: 1991-01-29
Anticipated expiration: 2004-06-06
Also published as: JPH0710857Y2

Description

[Brief explanation of drawings]

第１図から第４図は本考案の第一実施例に係る
突き合わせ抵抗溶接機のワーク保持部材を示し、
第１図はワークを保持した状態での中央縦断面図
、第２図は右側面図、第３図は平面図、第４図は
要部拡大図、第５図から第９図は本考案の第二実
施例に係る突き合わせ抵抗溶接機のワーク保持部
材を示し、第５図はワークを保持した状態での中
央縦断面図、第６図は平面図、第７図は右側面図
、第８図は要部断面図、第９図は変形例に係るワ
ーク保持部材の右側面図、第１０図から第１３図
は従来例に係る突き合わせ抵抗溶接機のワーク保
持部材を示し、第１０図はワークを保持した状態
での正面図、第１１図は右側面図、第１２図は電
気回路を模式的に示した平面図、第１３図はワー
クをセツトする段階でのワーク保持部材を示す正
面図である。１……固定電極（ワーク保持部材）、２……移
動電極（ワーク保持部材）、３，４……上側電極
、５，６……下側電極、７，８……上側電極ホル
ダ、９，１０……下側電極ホルダ、１１……溶接
ワーク、１２，１４……ワーク固定部材、１３，
１５……係止部（係止突起）、１６……トランス
、１７……貫通穴、１８……凹面。 1 to 4 show a workpiece holding member of a butt resistance welding machine according to a first embodiment of the present invention,
Figure 1 is a central vertical sectional view with the workpiece being held, Figure 2 is a right side view, Figure 3 is a plan view, Figure 4 is an enlarged view of the main parts, and Figures 5 to 9 are the invention of the present invention. The work holding member of the butt resistance welding machine according to the second embodiment is shown, in which FIG. 5 is a central vertical sectional view in a state in which the work is held, FIG. 6 is a plan view, FIG. 7 is a right side view, and FIG. FIG. 8 is a cross-sectional view of a main part, FIG. 9 is a right side view of a work holding member according to a modified example, FIGS. 10 to 13 are a work holding member of a conventional butt resistance welding machine, and FIG. 11 is a right side view, FIG. 12 is a plan view schematically showing the electric circuit, and FIG. 13 shows the workpiece holding member at the stage of setting the workpiece. It is a front view. 1... Fixed electrode (work holding member), 2... Moving electrode (work holding member), 3, 4... Upper electrode, 5, 6... Lower electrode, 7, 8... Upper electrode holder, 9, 10... lower electrode holder, 11... welding work, 12, 14... work fixing member, 13,
15...Locking portion (locking protrusion), 16...Transformer, 17...Through hole, 18...Concave surface.

Claims

[Scope of claim for utility model registration] Welding workpiece 11 in a butt resistance welding machine
In the workpiece holding members 1 and 2 used for holding the workpiece 11 and supplying welding current to the workpiece 11, the contact surface 18 with the welding workpiece 11 has a part that bites into the surface of the workpiece 11 when the workpiece is held. A workpiece holding member for a butt resistance welding machine, characterized in that it is provided with locking protrusions 13 and 15 that lock the workpiece.