Plastic bag positioning cutter

Abstract

The application relates to the technical field of plastic packaging bags, and particularly discloses a plastic packaging bag positioning and cutting device, which comprises a processing table, the upper surface of the processing table is connected with a vertical plate, the side surface of the vertical plate is connected with a bag replacing assembly, the bag replacing assembly comprises a speed reducer motor, the side surface of the vertical plate is provided with a sliding hole, and the inner wall of the sliding hole is slidably connected with a connecting rod. The device is slidably connected with the connecting rod through the sliding hole, the elastic force of the extension spring, the clamping groove is matched with the limiting rod, the bag winding rod can be conveniently replaced, the bag winding rod can be conveniently driven to rotate and retract through the rotation of the speed reducer motor, the fixing seat is matched with the mounting seat, the cutting knife can be conveniently replaced, the U-shaped limiting frame is slidably connected with the sliding hole, the fixing seat and the cutting knife can be conveniently and quickly limited, and the plastic bags connected in a head-to-tail mode can be conveniently cut through the pushing force of the air cylinder.

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