Manufacturing device for concrete prefabricated part

The invention relates to the technical field of prefabricated part manufacturing, in particular to a concrete prefabricated part manufacturing device which comprises a supporting device, a flow guide table is fixedly installed at the front end of the supporting device, a photoelectric sensor is fixedly installed at the front end of the bottom of the flow guide table, and alignment components are symmetrically installed at the rear end of the supporting device in a sliding mode. The supporting device comprises a threaded rod, an alignment plate, a guide column, a first motor, a second motor, a limiting sleeve, an L-shaped connecting rear frame, a prefabricating mold, a protruding block, an L-shaped edge block, a displacement push plate, a second spring, a gear, a back plate, an L-shaped front sealing plate, a second hydraulic air cylinder, a synchronous bottom rod, a connecting rope, an L-shaped blocking bottom plate, a third spring, a baffle, a limiting bottom plate and a guide auxiliary wheel. The guide colu