Processing mould for steel strip closed lock catches for packaging

Abstract

The invention belongs to the technical field of processing of steel strip lock catches for packaging and particularly relates to a processing mould for steel strip closed lock catches for packaging. The processing mould comprises an upper mould assembly, a lower mould assembly, a pushing device and two upper mould lifting guide pillar devices, wherein the upper mould assembly is composed of an upper mould plate, a cutter seat, two extrusion block seats, a cover plate seat, a cutter forming compound mould, a profiling upper cover I, two extrusion blocks and a profiling upper cover II; the lower mould assembly comprises a lower mould plate, a base plate, a left cavity block, a right cavity block, a forming lower mould seat, a forming lower mould, a left folding forming pushing block, a right folding forming pushing block, a pushing block reset device, a material feeding press plate and a positioning baffle; and the pushing device is composed of a roller seat, a roller, an inclined vertical plate, a sliding groove block, a left pushing cutter, a right pushing cutter, a straight track, a limiting block and two extension springs. By adopting the processing mould provided by the invention, the continuous production processes of feeding, punching, profiling, forming, taking out and the like of the steel strip lock catches for packaging can be completed by one punching machine, so that the equipment investment is reduced greatly and the production rate is increased.

Description

technical field [0001] The invention belongs to the technical field of processing steel belt locks for packaging, and in particular relates to a processing mold for steel belt closed locks for packaging. Background technique [0002] In the production process of the steel belt lock for packaging, the steel belt lock is an important part to lock the tail of the steel belt. The structure of the steel belt lock is to fold the two ends of a section of steel belt into a flat long ring buckle. The processing method Generally, stamping dies are produced on presses. Since the structure requires several times of bending to complete, in the conventional production process, generally several sets of stamping dies or several presses are required to meet the production requirements, which not only has a long production cycle, but also It requires a lot of equipment, occupies a large area, and wastes manpower and material resources. Contents of the invention [0003] The object of the ...

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Problems solved by technology

[0002] In the production process of the steel belt lock for packaging, the steel belt lock is an important part to lock the tail of the steel belt. The structure of the steel belt lock is to fold the two ends of a piece of steel belt into a flat long ring buckle. The processing method Generally, stamping dies are produced on presses. Since the structure requires several times of bending and forming to complete, in the conventional production process, generally several sets of stamping dies or several presses are required to meet the production requirements, which not only has a long production cycle, but also It requires a lot of equipment, occupies a large area, and wastes manpower and material resources

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