The invention discloses a
friction welding fixture, which includes a base and two compressing mechanism arranged symmetrically on both sides of the upper part of the base. The compressing mechanism includes a vertical column, a top compressing
assembly for compressing the top of a workpiece and a side face compressing
assembly for compressing the side face of the workpiece; the vertical column isinstalled on the upper part of the base, and the top compressing
assembly includes a motor, a guide rail, a screw rod, a sliding block, a first lifting part, a top fixing plate, a top moving block, atop flexible pressing plate, a second lifting part and a first spring; the motor is installed in the vertical column, the guide rail is installed horizontally on the upper part of the inner side faceof the vertical column, the screw rod is rotatably connected with the motor, the sliding block is slidably installed on the guide rail, the bottom of the sliding block is connected with a nut, the nutexternally sleeve the screw rod, and the bottom of the inner end of the sliding block is connected with the upper part of the first lifting part; and the lower part of the first lifting part is connected with the top fixing plate, and the sliding block is connected with the top fixing plate through the second lifting part. According to the
friction welding fixture, to-be-welded workpieces are conveniently fixed, and the
friction welding fixture can be applied to
mass production and friction
welding of thin plate type workpieces.