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Machining device and process for fluid deburring of copper-tungsten alloy contact

A copper-tungsten alloy and processing device technology, which is applied in metal processing equipment, used abrasive processing devices, explosion generating devices, etc., can solve the problems of low deburring efficiency and poor deburring quality, and achieve good deburring quality , high processing efficiency and high degree of automation

Active Publication Date: 2021-08-03
SHAANXI SIRUI ADVANCED MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is to solve the problem of low deburring efficiency and poor deburring quality in the industrialized mass production of copper-tungsten contacts

Method used

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  • Machining device and process for fluid deburring of copper-tungsten alloy contact
  • Machining device and process for fluid deburring of copper-tungsten alloy contact
  • Machining device and process for fluid deburring of copper-tungsten alloy contact

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as figure 1 A processing device for fluid deburring of copper-tungsten alloy contacts is shown: it includes a support box placed on the ground, and a feeding device 1 is arranged on the upper end of the support box for placing copper-tungsten alloy contacts. The lower end of the box body is used to deburr the copper-tungsten alloy contact. The composite deburring device is installed in the supporting box to connect the feeding device 1 and the contact clamping mechanism 2 of the composite deburring device;

[0043] The composite deburring device includes a first deburring device 3 arranged at the lower end of the supporting box to deburr the copper-tungsten contacts, and a second device 3 arranged at the lower end of the supporting box to perform the second deburring of the copper-tungsten contacts. Deburring device 4;

[0044] The first deburring device 3 includes 3 groups of scraping devices arranged side by side;

[0045] Such as figure 2 As shown, the wiper...

Embodiment 2

[0056] The difference with embodiment 1 is: as Figure 4 As shown, the feeding device 1 includes a contact placement box 10 arranged at the upper end of the support box for placing copper and tungsten contacts, a feeding opening 11 arranged at the lower end of the contact placement box 10, and a steering wheel arranged below the feeding opening 11. Table 13, and the upper end is located directly below the feeding port 11, the lower end of which can be connected to the turning table 13;

[0057] The feeding chute 12 is set at an angle of 30° to the ground;

[0058] The feeding port 11 is a rectangular opening, the length of which is 3mm greater than the length of a single copper-tungsten contact, and the width is 5mm greater than the diameter of the outer wall of the copper-tungsten contact;

[0059] Steering platform 13 comprises the mounting plate 130 that is fixed on the supporting box, the rotating frame 131 that is movably arranged on the mounting plate 130, is slidably a...

Embodiment 3

[0067] Utilize the device of above-mentioned embodiment 1 to carry out the processing technology of fluid deburring to copper-tungsten alloy contact, comprise the following steps:

[0068] Step 1: First Deburring

[0069] Firstly, the copper tungsten contact is scraped and ground for the first time to deburr;

[0070] Specifically: after connecting the copper-tungsten contact with the copper-tungsten contact clamping sleeve 32, the contact outer wall rotary brush cylinder 33 rotates at a speed of 360r / min, and the contact inner wall rotary brush cylinder 34 rotates at a speed of 360r / min. To rotate in the fluid abrasive medium, use the first flexible brush 330 and the second flexible brush 340 to scrape, grind and deburr the inner and outer walls of the contact for 20 minutes;

[0071] Step 2: Second Deburring

[0072] Then perform a second fluid deburring on the copper-tungsten contacts;

[0073] Specifically: after the copper-tungsten contact is connected with the fixed s...

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Abstract

The invention relates to the technical field of fluid polishing of copper-tungsten alloy contacts, and discloses a machining device and process for fluid deburring of a copper-tungsten alloy contact. The device comprises a supporting box body, a feeding device, and a composite deburring device; the composite deburring device comprises a first deburring device which is arranged at the lower end of the supporting box body and is used for deburring the copper-tungsten contact, and a second deburring device which is arranged at the lower end of the supporting box body and is used for deburring the copper-tungsten contact for the second time. The process comprises the steps that the inner wall and the outer wall of the copper-tungsten contact are polished and ground in a fluid abrasive material at the same time, and the fluid abrasive material and the inner wall and the outer wall simultaneously obtain relative movement through rotation to achieve uniform grinding. The device and process are used for solving the problems that the deburring efficiency is low and the deburring quality is poor in industrial mass production of copper-tungsten contacts.

Description

technical field [0001] The invention relates to the technical field of fluid polishing of copper-tungsten alloy contacts, in particular to a processing device and process for fluid deburring of copper-tungsten alloy contacts Background technique [0002] Copper-tungsten contacts are generally used in high-voltage SF6 switches. In the use of switches, tip burrs and surface oxidation will cause problems such as discharge and outgassing during use. Therefore, it is required that the surface of the contact material should not have burrs or oxidation. [0003] At present, in the production of tubular copper-tungsten contacts, there is a process of cutting grooves with a saw blade milling cutter, and opening the valves on the tube wall of the copper-tungsten contact. At present, most of them are processed by manual files, the efficiency is particularly low, it is not suitable for industrial mass production, and the quality is difficult to control; or the method of ultrasonic debur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24C1/08B24C3/08B24C3/12B24C3/32B24C5/04B24C9/00B24B31/116B24B49/00B24B41/00
CPCB24C1/083B24C3/083B24C3/12B24C3/32B24C5/04B24C9/00B24B31/116B24B49/006B24B41/005Y02P70/10
Inventor 赵俊邵红颜周兴周宁焦医辉刘向阳
Owner SHAANXI SIRUI ADVANCED MATERIALS CO LTD
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