Guide mechanism in blow molding

The utility model relates to a guide mechanism in blow molding, which comprises a frame, a herringbone clamping plate and a guide component, the herringbone clamping plate is connected with the frame, a V-shaped gap extending along the vertical direction is formed in the herringbone clamping plate, the guide component comprises two guide plates which are arranged oppositely, and the two guide plates are arranged oppositely. The two guide plates are connected with the rack, and the two guide plates are oppositely arranged on the two sides of the V-shaped gap of the herringbone clamping plate and used for abutting against the two sides of a membrane tube; in the process that the pipe film penetrates through the V-shaped gap of the herringbone clamping plate, the two guide plates located on the two sides of the V-shaped gap abut against the two sides of the film pipe, so that it is guaranteed that the film pipe cannot deviate towards the two sides in the film pressing process of the herringbone clamping plate, a