Turnover type welding fixture for stainless steel tubes

Abstract

The invention discloses a turnover type welding fixture for stainless steel tubes, and relates to the technical field of welding fixtures. The turnover type welding fixture comprises a base; the surface of one end of the base is in sliding fit with a first support; the surface of the other end of the base is fixedly provided with a second support; two sleeves are rotatably connected between the opposite surfaces of the first support and the second support through ball bearings; the inner surface of each sleeve is in thread connection with a push rod; slotted holes are evenly formed in the circumferential side face of each sleeve and between every two adjacent internal threads in an arrayed manner; the circumferential side face of each slot hole is in sliding fit with a support rod; one endof each support rod is fixedly provided with a conical block; one end of each support rod is fixedly provided with an arc-shaped piece; and an arc-shaped slot is formed in the side face of one end ofeach sleeve. According to the turnover type welding fixture, the push rods are rotated to make thread rings in thread fit with inner thread slots, and the conical blocks are pushed by conical rings to make the arc-shaped pieces support and fix the interiors of the stainless steel tubes, so that the phenomenon that the surfaces of the steel tubes are scratches due to external fixing is avoided, the quality of the stainless steel tubes is guaranteed, and the service life of each stainless steel tube is prolonged.

Description

technical field [0001] The invention belongs to the technical field of welding fixtures, in particular to a flip-type stainless steel pipe welding fixture. Background technique [0002] Stainless steel pipe is a hollow long round steel material, which is an economical section steel material and an important product in the steel industry. Safe and reliable, hygienic and environmentally friendly, economical and applicable, resistant to weak corrosive media such as air, steam, water, and chemically corrosive media such as acids, alkalis, and salts, it is widely used in petroleum, chemical, medical, food, and other industries in daily life. Light industry, mechanical instruments and other industrial pipelines and mechanical structural components, etc. [0003] The existing stainless steel pipe welding fixtures are generally fixed by fastening bolts. Although this structure can ensure that the steel pipe mouth is flush, it is easy to scratch the surface of the stainless steel pi...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a flip-type stainless steel pipe welding fixture. Through the cooperation of the first support, the second support, the sleeve and the push rod, it solves the problem that the existing stainless steel pipe welding fixture is easy to distort the surface of the stainless steel pipe. The cumbersome process of scratching and rotating steel pipes

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