Composite die for carrier roller cover

A carrier roller cover composite die belongs to the technical field of carrier roller cover machining dies and comprises an upper stamping die and a lower stamping die which are oppositely arranged, the upper stamping die comprises an upper die base, an upper clamping plate, an upper die plate, a stripper plate and a punch, a forming cavity is formed in the upper die plate, the stripper plate and the punch are both arranged in the forming cavity, the upper end of the punch is fixedly connected with the upper clamping plate, and the lower end of the punch is fixedly connected with the lower clamping plate. The outer side of the punch is sleeved with a stripper plate, the stripper plate is connected with the upper die base through a spring, and a flanging hole is formed in the bottom of the stripper plate. The lower stamping die comprises a lower die base, a lower clamping plate, a punch-die and a lower die plate, the punch-die is fixed on the lower die base and penetrates out of the lower clamping plate, the l