Supporting and positioning device for capacitor processing

The utility model discloses a supporting and positioning device for capacitor processing, which comprises a base, a first fixing block penetrates through and is fixedly connected with the interior of the base, and a first connecting rod penetrates through and is arranged in the middle of the front end of the first fixing block and penetrates through the base. The rear end of the first connecting rod is fixedly connected with a first bevel gear, and the first bevel gear penetrates through the base. According to the capacitor machining device, when the capacitor machining device needs to be used, a capacitor needing to be machined is placed on the containing table, the hydraulic cylinder works to drive the left side moving rod to move, the left side moving rod moves to drive the annular clamping plates to move, the two annular clamping plates extrude each other to fix the capacitor, and capacitors of different sizes can be fixed; the first rotating block is rotated to drive the lead screw to rotate, the lead sc