Plastic pipe machining clamp

The utility model discloses a plastic pipe processing clamp which comprises a supporting seat and two clamping mechanisms which are arranged on the supporting seat and are oppositely arranged, and each clamping mechanism comprises an adjusting sliding block which is in sliding fit with the supporting seat; the supporting column is fixedly connected with the adjusting sliding block; the mounting base is fixed on the supporting column; the two arc-shaped clamping pieces are respectively hinged to the upper part and the lower part of the mounting seat; the driving mechanism is used for driving the two arc-shaped clamping pieces to rotate around the hinged part; and the power mechanism is used for driving the adjusting sliding block to move on the supporting seat. The clamp is convenient to operate, capable of clamping the pipe conveniently, simple in structure and convenient to manufacture. 本实用新型公开了一种塑料管材加工夹具，包括支撑座以及设置于支撑座上且相对布置的两个夹持机构，所述夹持机构包括：与支撑座滑动配合的调节滑块；与调节滑块固定连接的支撑柱；固定于支撑柱上的安装座；两个分别铰接于安装座上部和下部的弧形夹片；用于驱动两个弧