Pre-forming device and pre-forming method for cold extrusion hub
By designing a cold extrusion primary forming device for hub processing, using multi-mode combination molding surface and drive components, the problem of using two sets of equipment and molds in traditional hydraulic processes due to different part pressures is solved, and the hub forming in one set of molds is achieved, reducing costs and improving efficiency.
CN119681093AActive Publication Date: 2025-03-25NINGBO J B J INTELLIGENCE TECHNOLOGY CO LTD
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Patent Information
- Application Number
- CN202510208214.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2045-02-25
AI Technical Summary
Technical Problem
When processing wheel hubs, due to the different pressures required for different parts of the wheel hubs, two hydraulic equipment with different pressure values and two sets of different molds are required, resulting in high production costs and low production efficiency.
Method used
A cold extrusion hub preliminary forming device is designed, including an upper die, a lower die, a side die, a pad, a first drive assembly and a fourth drive assembly. By rationally designing the molding surface and a drive assembly, the wheel hub is formed and removed in a set of molds.
Benefits of technology
The initial molding and finished molding of the wheel hub are completed in a set of molds, reducing production costs and improving production efficiency.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides a pre-forming device and a pre-forming method for a cold extrusion hub, relates to the technical field of hub machining, and aims to solve the technical problems of high production cost and low production efficiency caused by the fact that two sets of dies are needed for hub forming in the prior art. A cold extrusion hub pre-forming device comprises an upper die, a lower die, a side die, a cushion block, a first driving assembly and a fourth driving assembly, a first forming face is arranged at the bottom end of the upper die, the lower die is connected into a through hole in the middle of the side die, a second forming face is arranged at the top end of the lower die, a third forming face is arranged on the inner wall of the through hole, and the fourth driving assembly drives the cushion block to slide in the horizontal direction. The first driving assembly is connected with the upper die, during die assembly, the first forming face, the second forming face and the third forming face define a first forming die cavity, an annular groove is formed in the peripheral wall of the lower die in the circumferential direction to form a second forming die cavity, and the projection area of the first forming face is larger than that of the second forming face. The invention further discloses a cold extrusion hub pre-forming method which uses the cold extrusion hub pre-forming device.
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