Mainboard circuit etching machine for integrated circuit

The invention discloses a mainboard circuit etching machine for an integrated circuit. The mainboard circuit etching machine for the integrated circuit comprises a main tank, wherein a supporting andloading tank is fixedly connected to one side, far away from the bottom part of an inner cavity of the main tank, of a compression resistance device; the output end of a drive motor is rotatably connected with the supporting and loading tank through a grooved pulley device; a grain plate is fixedly connected to the middle of the bottom part of a support rod; etching liquid tanks are fixedly connected to two ends of the top part of a diaphragm plate; a lifting device is fixedly connected to the middle of the top part of an inner cavity of the main tank; a reciprocating device is fixedly connected to one side, far away from the main tank, of the lifting device; an infusion pump is fixedly connected to one side, far away from the lifting device, of the reciprocating device; and a liquid guiding plate is fixedly conne