Punching die for bumper bar of automobile door
By designing a car door anti-collision rod punching die with piston cylinder and fluid conduit, the problem of existing molds being difficult to lubricate the bottom surface of the material is solved, and the effect of reducing mold wear and extending service life is achieved.
CN222679271UActive Publication Date: 2025-03-28WUHAN SHOUJIATINGJU TECH CO LTD
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Patent Information
- Application Number
- CN202421455950.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-25
AI Technical Summary
Technical Problem
When used for a long time, it is difficult to lubricate the bottom surface of the processed material, resulting in faster wear of the mold edge and affecting service life.
Method used
A punching mold including a mold seat, a lower mold, an upper mold, a piston cylinder and a liquid conduit is designed. The lubricating liquid is driven into the cavity of the lower mold through the piston cylinder and sprayed out through the liquid spray port to facilitate lubrication of the lower surface of the hedge cutting material.
Benefits of technology
It effectively reduces the wear of the mold edge, extends the service life of the mold, and prevents material deviation and improves punching and cutting accuracy through the design of spring and press ring.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model belongs to the technical field of automobile door production, and particularly relates to an automobile door bumper bar punching die which comprises a die base. The top of the mold base is fixedly connected with a lower mold; a plurality of sliding rods are connected to the top of the lower die in a sliding manner; the tops of the multiple sliding rods are fixedly connected with an upper die. The side wall of the lower die is fixedly connected with a piston cylinder; a piston rod of the piston cylinder is fixedly connected with the top of the upper die; a cavity is formed in the lower die; a rodless cavity of the piston cylinder is fixedly connected with a pair of connecting pipes; a one-way valve is mounted in the middle of the connecting pipe; one of the pair of connecting pipes is communicated with the cavity; a plurality of liquid guide pipes are fixedly connected to the middle part of the cavity; a liquid inlet is formed in the bottom of the liquid guide pipe; by means of the structure, when the automobile door bumper bar is punched, lubricating liquid can be conveniently smeared on the lower surface of a punching material, and therefore the situation that a cutting edge of a die is rapidly abraded is reduced, and the service life of the die is prolonged.
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