Composite die for trimming and piercing

Abstract

The invention discloses a composite die for trimming and piercing, comprising an upper die holder, a lower die holder, U-shaped plates disposed at the both ends of the lower die holder, a piercing punch holder fixedly held with the lower die holder, a piercing punch fixedly held on the piercing punch holder, cross arms installed on the U-shaped plates, ejectors fixedly held on the cross arms, a die holder installed on the lower die holder, a trimming die fixedly held on the die holder, pull rods installed above the U-shaped plates, a punch handle installed below the upper die holder, and a trimming punch fixedly held with the punch handle, wherein a tapered wedge is disposed between the upper die holder and the punch handle, and battens are disposed above the pull rods. The composite die for trimming and piercing simplifies procedures, reduces devices and floor area, and increases working efficiency.

Description

technical field

[0001] The invention relates to the field of molds, in particular to a composite mold for edge trimming and punching. Background technique

[0002] In the prior art, punching and trimming are two separate processes. In the daily production process, two sets of dies, the punching die and the trimming die, are required to complete the two processes respectively, which not only increases equipment And labor costs, while reducing production efficiency.

[0003] Therefore, it is necessary to provide a trimming and punching composite die that solves the above technical problems. Contents of the invention

[0004] The technical problem to be solved by the present invention is to provide a composite mold for trimming and punching which can simplify the process and reduce the cost.

[0005] In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a composite mold for edge trimming and punching, which inc...

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