JPH0385182U

JPH0385182U -

Info

Publication number: JPH0385182U
Application number: JP14435589U
Authority: JP
Priority date: 1989-12-14
Filing date: 1989-12-14
Publication date: 1991-08-28

Description

[Brief explanation of the drawing]

図面は本考案に係るスポツト溶接又はプロジエ
クシヨン溶接における中間電極装置に係るもので
、第１図は中間可動電極を備えた可動テーブルと
駆動機をスポツト溶接機にセツトした側面図、第
２図は第１図の駆動機に設置した可動テーブルに
おいて中間可動電極を配置した概略平面図、第３
図は第１図の駆動機に設置した可動テーブルに中
間可動電極を配置した正面図、第４図は第１図の
上下電極位置において、セツトしたワークとナツ
トをプロジエクシヨン溶接した中間可動電極を示
す正面図、第５図は第１図の５−５線に沿う矢視
図、第６図はワークにボルトを通して溶着する中
間可動電極の縦断面、第７図は第１，２図の可動
テーブルの他の例を示すもので、テーブルが平面
ＸＹ方向に移動する状態を示す概略平面図、第８
図はワーク同士をスポツト溶接するときの電極の
正面図、第９図はワークとボルトのプロジエクシ
ヨン溶接用電極の正面図、第１０図はワークとナ
ツトのプロジエクシヨン溶接用電極の正面図であ
る。１……溶接機本体、２……上部電極、３……下
部電極、４……可動テーブル、５……駆動機、６
……可動テーブルにあけた孔、７……中間可動電
極、８……絶縁筒体、９……中間可動電極の有底
孔、１０……絶縁性案内突起、１１……内装バネ
、１２……中間可動電極の孔の栓体、１３……ワ
ーク用治具、１４……セツトビス、１５……外装
バネ、１６……ストツパ、１７……治具用案内部
材、１８……絶縁筒体の孔、１９……絶縁筒体。 The drawings relate to an intermediate electrode device for spot welding or projection welding according to the present invention, and FIG. 1 is a side view of a movable table equipped with an intermediate movable electrode and a drive machine set in a spot welding machine, and FIG. is a schematic plan view of the intermediate movable electrode arranged on the movable table installed in the drive machine of Fig. 1;
The figure is a front view of the intermediate movable electrode placed on the movable table installed in the drive machine shown in Figure 1, and Figure 4 is the intermediate movable electrode with the set workpiece and nut welded by projection welding at the upper and lower electrode positions as shown in Figure 1. Fig. 5 is a view taken along line 5-5 in Fig. 1, Fig. 6 is a vertical cross-section of the intermediate movable electrode that is welded by passing a bolt through the workpiece, and Fig. 7 is a view of Fig. 1 and Fig. 2. This is a schematic plan view showing another example of the movable table, and shows a state in which the table moves in the plane XY direction.
The figure is a front view of the electrode for spot welding workpieces together, Figure 9 is a front view of the electrode for projection welding of the workpiece and bolt, and Figure 10 is the front view of the electrode for projection welding of the workpiece and nut. It is. 1... Welding machine main body, 2... Upper electrode, 3... Lower electrode, 4... Movable table, 5... Drive machine, 6
... Hole drilled in the movable table, 7 ... Intermediate movable electrode, 8 ... Insulating cylinder, 9 ... Bottomed hole of the intermediate movable electrode, 10 ... Insulating guide protrusion, 11 ... Internal spring, 12 ... ... Plug of the hole of the intermediate movable electrode, 13 ... Work jig, 14 ... Set screw, 15 ... Exterior spring, 16 ... Stopper, 17 ... Jig guide member, 18 ... Insulating cylindrical body Hole, 19...Insulating cylindrical body.

Claims

[Claims for Utility Model Registration] (1) A movable table 4 is disposed between the upper electrode 2 and the lower electrode 3 of the welding machine main body 1 so as to be movable by a drive machine 5, and a rod-shaped intermediate An intermediate electrode device for spot welding or projection welding, characterized in that a movable electrode 7 is mounted so as to be movable up and down. (2) The movable table 4 is rotated by the driving force of the drive machine 5, and holes 6 are formed on a concentric circle passing through the welding positions of the upper and lower electrodes on the plane of the movable table.
2. The intermediate electrode device for spot welding or projection welding according to claim 1, wherein a rod-shaped intermediate movable electrode 7 is provided in the hole and is normally biased in the upward direction via an exterior spring 15. (3) The movable table 4 is movable in the plane X and Y directions by the driving force of the drive unit 5, and a hole 6 is drilled on the trajectory passing through the welding positions of the upper and lower electrodes on the plane of the movable table, and a rod-shaped rod is inserted into the hole. 2. The intermediate electrode device for spot welding or projection welding according to claim 1, wherein the intermediate movable electrode 7 is normally biased in the upward direction by an exterior spring 15. (4) The insulating guide protrusion 10 is inserted into the hole 9 having a jugular hole formed in the upper part of the intermediate movable electrode 7 via the internal spring 11, and the head thereof is inserted into the hole 9 from the upper end surface of the intermediate movable electrode 7. The intermediate electrode device for spot welding or projection welding according to claim (1), wherein the intermediate electrode device is made to protrude. (5) Spot welding according to claim (1), wherein a hole 19 larger than the diameter of the bolt b stacked on the workpiece W is formed in the upper part of the intermediate movable electrode 7, and an insulating cylindrical body 18 into which the bolt b can be inserted is attached. Intermediate electrode device for projection welding. (6) A claim in which the workpiece jig 13 is removably mounted on the same surface as the upper end surface of the intermediate movable electrode 7.
An intermediate electrode device for spot welding or projection welding as described in (1). (7) The intermediate movable electrode 7 and the workpiece jig 13 attached thereto are allowed to move up and down, but the guide member 17 is fixed to the movable table 4 to prevent rotation and other looseness. The intermediate electrode device for spot welding or projection welding according to claim 1, wherein the intermediate electrode device is brought into contact with the opposing outer surface of the jig 13.