Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Variable-channel corner self-bending extrusion die and design, manufacturing and extrusion method thereof

A technology for extrusion dies and design methods, applied in the direction of metal extrusion dies, metal extrusion forming tools, metal extrusion, etc., can solve problems such as section deformation, wrinkling, and reduction of extrusion loads

Active Publication Date: 2020-09-11
SHANDONG UNIV OF TECH
View PDF8 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a self-bending extrusion die with variable channel angle and its design, manufacture and extrusion method, so as to alleviate the technical problems of springback, wrinkling, and cross-sectional deformation during the bending process of the profile in the prior art and reduce extrusion. Technical problems of load during compression

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Variable-channel corner self-bending extrusion die and design, manufacturing and extrusion method thereof
  • Variable-channel corner self-bending extrusion die and design, manufacturing and extrusion method thereof
  • Variable-channel corner self-bending extrusion die and design, manufacturing and extrusion method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0055] It should be noted that this embodiment combines the profile extrusion and bending integrated forming process with a streamlined extrusion die, and proposes a new process of self-bending extrusion forming with variable channel angles. By designing a streamlined extrusion die structure with a twisted central axis , so that the metal produces uneven flow in the cavity, so that the curved profile can be directly extruded.

[0056] Such as Figure 1-Figure 3 As shown, a method for designing a variable channel angle s...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a variable-channel corner self-bending extrusion die and a design, manufacturing and extrusion method thereof, and relates to the technical field of dies. The method comprises the following steps: 1, a symmetric streamlined extrusion die is designed based on a sine function; 2, a central axis of a die cavity of the symmetric streamlined extrusion die is distorted and deformed at a certain plane; 3, a cavity wall surface equation for the variable channel corner self-bending extrusion die is established; 4, a work strip structure is added behind the die cavity of the variable channel corner self-bending extrusion die; and 5, after metal flows through the variable channel corner self-bending extrusion die, the extrusion speed is controlled to be linearly distributed, sothat a bending part is directly extruded, the outer side surface of a profile is reduced or the cross-section deformation is avoided, and the flow of the metal in the extrusion process is smoother and the extrusion load becomes low; and he technical problems of rebound, wrinkling and cross-sectional deformation during bending processing of profile in the prior art is solved, and the technical problem of load during extrusion is solved.

Description

technical field [0001] The invention relates to the technical field of molds, in particular to a self-bending extrusion mold with variable channel angle and its design, manufacture and extrusion methods. Background technique [0002] Bending aluminum profiles are widely used in the fields of aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of industrial economy, the demand for curved aluminum profile structural parts in various fields is increasing. Usually, the processing of curved profiles adopts advanced The way of bending after extrusion, traditional secondary processing technologies such as push bending, stretch bending, bending, and rolling will bring defects such as cracking, cross-sectional distortion, instability, wrinkling, and springback of aluminum profiles, which will seriously affect the bending of aluminum profiles. molding rate. [0003] Extrusion and bending integrated molding is used in the prio...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B21C23/12B21C25/02B21C25/10
CPCB21C23/12B21C23/002B21C25/02B21C25/10B21C23/001G06F30/17
Inventor 朱光明闵范磊常征刘惠苹
Owner SHANDONG UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com