Metal corrugated pipe end welded flange positioning device

A metal bellows and welding flange technology, applied in the field of hydraulic fittings, can solve the problems of large flange size gap, poor product uniformity, and affecting the normal operation of hydraulic pipelines, and achieve the effect of ensuring uniformity and preventing welding deformation

Inactive Publication Date: 2018-05-01
MAANSHAN FEIDA BELLOWS MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Metal bellows are needed in the connection process of hydraulic pipelines. In the connection process of metal bellows, flanges need to be welded at the ends of metal bellows. However, the current welding flanges are manually spot welded first, and then In continuous welding, the size difference between the flanges at both ends of the metal bellows is relatively large after welding, and the uniformity of the product is poor, resulting in poor control of the air tightness when installed in the hydraulic pipeline, which affects the normal operation of the hydraulic pipeline.

Method used

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  • Metal corrugated pipe end welded flange positioning device
  • Metal corrugated pipe end welded flange positioning device

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Embodiment Construction

[0014] Below with reference to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention will be described in further detail, the purpose is to help those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solutions of the present invention, and contribute to its implementation.

[0015] like Figure 1 to Figure 2 As shown, the present invention is a welding flange positioning device at the end of a metal bellows, which realizes the welding operation of the metal bellows and the flange in a fixed size state, and ensures the uniformity of the size after welding.

[0016] Specifically, as Figure 1 to Figure 2 As shown, it includes a base 1, a lower seat plate 2, a screw rod 3, an upper seat plate 4, a platform nut 5, a locking nut 6, a locking nut 7 and a scale 8, and the lower seat plate 2 is connected with the base 1 through bolts, The lower end of the sc...

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PUM

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Abstract

The invention discloses a metal corrugated pipe end welded flange positioning device. The metal corrugated pipe end welded flange positioning device comprises a base, a lower base plate, a screw, an upper base plate, a platform nut, a stop nut, a lock nut and a dividing ruler. The lower base plate is connected with the base through a bolt. The lower end of the screw is connected with the lower base plate. The upper end of the screw penetrates through the upper base plate. The platform nut and the stop nut are screwed on the screw. The height of the upper base plate on the screw is adjusted through the platform nut and then locked by the lock nut. The lower end of the dividing ruler is connected with the base and is perpendicular to the base. Welding operation of a metal corrugated pipe anda flange plate in the fixed-size state is achieved, and the size uniformity after welding is ensured.

Description

technical field [0001] The invention belongs to the technical field of hydraulic fittings, in particular, the invention relates to a welding flange positioning device at the end of a metal bellows. Background technique [0002] Metal bellows need to be used in the connection process of hydraulic pipelines. In the process of connecting metal bellows, flanges need to be welded at the ends of the metal bellows, but the current welding flanges are manually spot welded first, and then In continuous welding, the size difference between the flanges at both ends of the metal bellows after welding is large, and the product uniformity is poor, resulting in poor control of air tightness during installation in the hydraulic pipeline, affecting the normal operation of the hydraulic pipeline. SUMMARY OF THE INVENTION [0003] The invention provides a welding flange positioning device at the end of a metal bellows, which realizes the welding operation of the metal bellows and the flange ...

Claims

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Application Information

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IPC IPC(8): B23K37/04
CPCB23K37/0443
Inventor 苏文
Owner MAANSHAN FEIDA BELLOWS MFG CO LTD
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