Stamping mold and workpiece positioning device thereof

Abstract

The invention discloses a stamping mold and a workpiece positioning device thereof. The workpiece positioning device comprises a mounting component fixed on a lower mold base, the fixed end of a telescopic cylinder is fixedly connected with the mounting component, a guide sleeve is mounted at the telescopic end of the telescopic cylinder through a connecting component, the guide sleeve is mounted on the mounting component in a rotating manner through a rotating shaft, and the axial line of the rotating shaft is perpendicular to the telescopic direction of the telescopic cylinder; and a rotating arm is mounted on the outer side wall of the guide sleeve, a positioning component is mounted at one end of the rotating arm, which is far away from the guide sleeve, and when the rotating arm is positioned in an outer limit position, a material block of the positioning component abuts against a workpiece. Thus, the motion of the positioning component is realized by using the rotatable guide sleeve and the rotating arm. Compared with the prior art, the use of a complex four-link structure is avoided, the structure of the positioning device is further simplified, the volume is reduced, the production cost is further reduced, and the waste of space of the mold is avoided.

Description

technical field [0001] The invention relates to the technical field of stamping dies, in particular to a workpiece positioning device for stamping dies. The present invention also relates to a stamping die comprising the above workpiece positioning device. Background technique [0002] In the process of vehicle panel processing, stamping dies are widely used, and the positioning device plays a very important role in the stamping die. It needs to ensure that the parts can be accurately positioned before the stamping work, and avoid contact with the upper part during the stamping work. interference with the mold and related working components. [0003] Please refer to figure 1 , figure 1 It is a structural schematic diagram of a positioning device in the prior art. [0004] The positioning device includes a fixed frame 101 installed on the lower mold base, a protective box 102 is arranged on the side of the fixed frame 101, a base 103 is installed on the fixed frame 101, t...

AI Technical Summary

Problems solved by technology

[0006] However, the existing positioning device uses a positioning plate positioning method, which needs to realize the movement of the positioning plate through a relatively large four-bar linkage structure (that is, a rotating mechanism). The device is large in size and complex in structure, which not only increases the production cost, but also wastes Die space; at the same time, the positioning device needs to judge the timing of avoidance manually, which is greatly affected by the experience of the operator. Slow avoidance will cause interference with the upper mold and related working components, and the return avoidance accuracy of the positioning device is low

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