Automatic stretching device for energetic powder material copper pipe for spaceflight pyrotechnic device

Abstract

The invention relates to an automatic stretching device for an energetic powder material copper pipe for a spaceflight pyrotechnic device, which comprises a stretching die used for enabling a spaceflight cutting cable to be stretched to pass through a die hole of the stretching die so as to realize cold-drawing stretching of the spaceflight cutting cable; the pointing mechanism is used for pointing the end part of the spaceflight cutting rope to be pointed, so that the end part of the spaceflight cutting rope can penetrate through the die hole, and the spaceflight cutting rope can be conveniently stretched; the first stretching trolley and the second stretching trolley are located on the two sides of the stretching die correspondingly and can move on the rack along the rack, the spaceflight cutting cable penetrates through the die hole, and the first stretching trolley is used for carrying the spaceflight cutting cable in the stretching machining state to move towards one side of the stretching die; the second stretching trolley is used for carrying the spaceflight cutting rope in the stretching machining state to move towards the other side of the stretching die in turn, so that the spaceflight cutting rope is stretched under extrusion of a die hole; and the rack is used for mounting the stretching die, the pointing mechanism and the stretching trolley, and is also used for supporting the spaceflight cutting rope during stretching and pointing.

Description

technical field [0001] The invention relates to aerospace cutting wire processing equipment, in particular to an automatic stretching device for copper tubes of energy-containing powder materials used in aerospace pyrotechnic devices. Background technique [0002] The aerospace cutting wire is a metal tube filled with explosives. The metal tube is equipped with an energy-concentrating angle. When the explosive explodes, a high-temperature and high-pressure metal jet will be generated to cut metal materials. At present, the processing method of aerospace cutting wire is mainly to fill a thicker metal tube with explosives, then seal it, and then use a stretching die and a stretching machine to gradually elongate the aerospace cutting wire so that its cross section is gradually deformed to a preset shape. Size, so as to meet the energy of its energy-concentrating angle injection to meet the cutting needs when in use. [0003] The stretching process of the aerospace cutting wir...

AI Technical Summary

Problems solved by technology

However, the semi-automatic method is inefficient, relies too much on manual labor, and requires relatively high experience and technology for the operator, resulting in high costs and unstable quality of the final product due to too many subjective judgments in the operation process. , the scrap rate remains high

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