Mold and method for micro part machining

A technology of micro parts and molds, applied in the field of micro forming, can solve the problems that macro molds cannot achieve the required accuracy, it is difficult to meet the accuracy requirements of micro parts, and it is not suitable for micro parts processing, etc., to save processing time, low production efficiency, and general high sex effect

Pending Publication Date: 2020-05-29
SHANDONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among these processing techniques, micromachining technology has the advantages of simple processing, low cost, and high forming efficiency. However, due to the high precision requirements of micro parts, they need to be obtained through precision machining. Traditional macroscopic molds cannot achieve the required accuracy during production. It is not suitable for the processing of micro parts, and it is difficult to meet the existing precision requirements for micro parts

Method used

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  • Mold and method for micro part machining
  • Mold and method for micro part machining
  • Mold and method for micro part machining

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] In a typical implementation of the present application, such as Figure 1-Figure 6As shown, a mold for micro-part processing is proposed.

[0043] The overall structure of the mold is divided into upper and lower parts:

[0044] Among them, the upper mold part is installed on the executive mechanism of the external punching machine, and reciprocates in the vertical direction under the action of the mechanism;

[0045] It includes: an upper punch 1, a through hole punch 13 and a base 12, the base is located at the top of the upper punch, the upper punch is installed on the external punching machine through the base, and the lower end of the upper punch is provided with a workpiece protrusion Die 3, the through-hole punch and the upper punch are arranged coaxially, the upper punch is located outside the through-hole punch, and the through-hole punch reciprocates axially along the upper tap under the action of external force;

[0046] Of course, it can be understood that...

Embodiment 2

[0064] In another typical embodiment of the present application, such as Figure 5 As shown, a kind of micro-part-oriented processing method is provided, utilizing the mold for micro-part processing described in Embodiment 1, the specific steps are as follows:

[0065] Insert the through-hole punch into the upper punch, then install the upper punch on the actuator of the punching machine through the base, fix the flange lower die on the base, and set the lower die on the outside of the flange lower die, So that the bottom surface is in contact with the base, installed on the workbench of the punching machine, the die on the lower die is facing the punch at the bottom of the upper punch;

[0066] Place the blank support stably on the lower die, the bottom of the blank support touches the top surface of the base, closely fit to form a stable support, and form a support hole structure, set the support cover outside the blank support, so that the feed hole and the support hole are...

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Abstract

The invention discloses a mold and method for micro part machining. The die comprises an upper punch and a lower forming die which are oppositely arranged, a workpiece male die is arranged on the endface, facing the lower forming die, of the upper punch, a workpiece female die is arranged on the end face, facing the upper punch, of the lower forming die, and a flange lower die is arranged in thelower forming die in a sleeved mode; the top end face of the flange lower die abuts against the bottom end of the female die to jointly form a groove structure with an opening facing the male die, a matching hole is formed in the top of the supporting cover, the upper punch moves in the axial direction, penetrates through the matching hole and then is matched with the lower forming die to be usedfor enabling the male die and the female die to be matched to conduct punch forming on materials, punch forming is conducted through cooperation of plates of different thicknesses and a special punchdie, and the forming precision of micro parts is directly controlled by the precision of the die. Compared with traditional injection molding, powder forming and other modes, higher machining precision and machining efficiency can be provided, and therefore the existing precision requirement for micro parts is met.

Description

technical field [0001] This application relates to the field of micro-forming, specifically a mold and method for micro-part processing. Background technique [0002] With the development of society and the advancement of science and technology, micro parts and products are widely used in consumer electronics, medical care, precision instruments, environmental energy, electronic information, aerospace and weaponry, and are closely related to national security and environmental health. The manufacture of micro products has important scientific significance and application potential. Micro forming technology has low production cost, high efficiency and good processing quality, and has great development potential. One of the key points of micro-forming technology is the design of the mold. A good set of molds can efficiently process high-precision parts. [0003] The inventors found that currently, there are many kinds of micro-parts manufacturing, such as mechanical-based man...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10B21D28/34B21D28/26B21D35/00
CPCB21D28/26B21D28/34B21D35/001B21D35/002B21D37/10
Inventor 王继来肖志菲万熠梁西昌荆传智
Owner SHANDONG UNIV
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