Lock body spin riveting device for a lock

Abstract

A fastener lock body spin-riveting device comprises a spin-riveting machine and a tool die installed on a spin-riveting machine base. The tool die comprises a base, a square sliding seat and a disc-shaped spin-riveting base, wherein the base is connected with the spin-riveting machine base through long installation holes in the left and right sides of the base; the square sliding seat is installed in a square base groove in the middle of the base, and is in front-back sliding fit with the square base groove; a disc hole where the disc-shaped spin-riveting base is installed is formed in the center of the square sliding seat, and is in rotating fit with the disc-shaped spin-riveting base; three ejector rods used for being riveted to a spin-riveting head in a matched mode are arranged on the top face of the disc-shaped spin-riveting base; the positions of the three ejector rods are coincident with that of three riveting points on a fastener lock body; the axis of the disc-shaped spin-riveting base is the circle center of the circle formed by the three ejector rods. A base die of the spin-riveting device can rotate. The spin-riveting device is small in size, light and low in cost. Three riveting points of one workpiece can be completed one by one by rotating the disc-shaped spin-riveting base without detaching or remounting the workpiece, so that the production efficiency is high, and meanwhile automatic improvement is convenient.

Description

technical field [0001] The invention relates to a riveting device for electronic products, in particular to a riveting device for a lock body of a lock. Background technique [0002] In the assembly of automotive electronic products, most parts are assembled in the form of riveting. In order to meet the needs of mass production, riveting machines are used for riveting. For parts that need to be riveted and assembled, tooling must be designed to fix them to the riveting machine. On the surface, for the lock body assembly of the stopper, including the left door lock body and the right door lock body, there are three riveting points on the same surface. For the riveting of these three points, a tool with several ejector rods is generally used One of the ejector rods corresponds to the position of the rivet head so as to cooperate with the riveting, and the positions of the other ejector rods correspond to the positions of the points to be riveted on the lock body so as to suppo...

AI Technical Summary

Problems solved by technology

[0004] 1. Since the original tooling mold is fixed, in order to use the same tooling to complete the riveting of the left door lock body and the right door lock body, it is necessary to design 7 ejector pins on the mounting base (bottom mold), 4 of which are used For the left door lock body, 4 pieces are used for the right door lock body (3 pieces are used for support, 1 piece is used for riveting with the rivet head, and 1 piece is shared), resulting in large size, heavy weight and high maintenance cost;

[0005] 2. Since the rivet head is only fixed on one axis and cannot be moved, and the original tooling mold is fixed, so after each riveting point is riveted, the workpiece must be removed to change the position, reinstalled, fine-tuned and aligned with the rivet head, Carry out the riveting of the second riveting point, and repeat this three times to complete the riveting of the three riveting points; due to the small space of the station (the rivet head moves up and down is small), it is very inconvenient to remove and install the workpiece. , requires fine-tuning tooling, time-consuming and labor-intensive, and low production efficiency

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