| 摘要 |
PURPOSE:To prevent the failure of a tool and to make possible a long term use of the tool by a method wherein a cylinder is applied to the driving source of an electrode pinching a deposited matter under pressure and a high frequency welding under low voltage is conducted by a toggle mechanism. CONSTITUTION:A cylinder 3 connected to a rest 5 is driven, a large lever 1 is pushed up about a movable point 2 as a fulcrum, an upper electrode 12 consisting of an upper electrode holding rest 10 and a high frequency insulator 11 is dropped about movable shafts 7, 9 as fulcrums, the other end 18 of the lever 1 is brought into contact with the stopper screw 16 of a small lever 15 having a movable shaft 17 as a fulcrum and a deposited matter 29 supplied between the electrode 12 and a lower electrode 13 is welded. Subsequently, a cylinder 19 is operated in the direction of the arrow, the other end 18 of the lever 1 is pushed up by the movable shaft 23 of the lever 15 and a part 22 of the lever 1 is brougt into contact with the stopper 14 fixed to a base plate 24, the electrode 12 is dropped slightly to bring movable shafts 6, 7, 9 into a line and the maximum pressures are given to toggle mechanisms 10-12 to cut the deposited matter 29 through a welding cutter 27 fixed to the electrode 13. |
