Punching progressive die system for machining leaf spring countersink of heavy truck

Abstract

The invention discloses a punching progressive die system for machining leaf spring countersink of a heavy truck. The structure comprises an upper die plate and a lower die plate, wherein the upper die plate and the lower die plate are connected through a guide column, an expansion male die is arranged at one end of the upper die plate, a punching male die handle is arranged at the other end of the upper die plate, and the punching male die handle is connected with a punching male die; and an bulging female die is arranged at the position, corresponding to the bulging male die, of the lower die plate, and a punching female die is arranged at the position, corresponding to the punching male die, of the lower die plate; an expansion male die head is arranged on the bulging male die, and a countersink forming cavity matched with the bulging male die head is arranged on the bulging female die; the punching male die is provided with a punching male die punch, and a punch buffering cavity matched with the punching male die punch is arranged on the punching female die; and a rubber sheath which is tightly attached to the punching male die handle is arranged on the outer wall of the punching male die handle. Compared with the prior art, the production efficiency is improved, and the production cost is saved.

Description

technical field [0001] The invention relates to the technical field of production of leaf springs with countersunk holes, in particular to a punching progressive die system for counterbore processing of leaf springs of heavy truck vehicles. Background technique [0002] At present, two processes are used for the bulging and punching of the counterbore of the plate spring with counterbore, that is, first use the counterbore bulging device for bulging, and then use the drill bit for drilling. The whole process requires two sets of molds, two The completion of one machine tool increases the cost of human resources, and the energy consumption is high, which increases the production cost and reduces the production efficiency, and the appearance quality of the product is affected by poor control of the mold. Contents of the invention [0003] The object of the present invention is to provide a kind of heavy-duty vehicle leaf spring counterbore processing for the technical proble...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a heavy truck leaf spring counterbore processing for the technical problems of complicated procedures, low production efficiency and high energy consumption in the existing counterbore bulging and punching process of the counterbore leaf spring. Punching progressive die system, which combines bulging and punching into a continuous process, reduces human resource costs and production costs, and improves production efficiency

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