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Hand-operated expansion mechanism for unreeling machine for stainless steel strip coil

A technology of stainless steel strip and unwinding machine, which is applied in the field of online welding and forming of stainless steel pipes, and can solve the problems of easy retraction, small expansion and contraction stroke, and high manual strength.

Inactive Publication Date: 2014-04-30
WUHU XINLI PIPELINE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not only is the expansion and contraction stroke small, but the manual strength is strong, and the most important thing is that the stainless steel coil is often prone to retraction after tensioning, which may even lead to serious safety accidents.

Method used

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  • Hand-operated expansion mechanism for unreeling machine for stainless steel strip coil

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Embodiment Construction

[0014] The specific implementation manner of the present invention will be further described in detail below by describing the preferred embodiments with reference to the accompanying drawings.

[0015] as attached figure 1 As shown in the figure, a manual shrinking and expanding mechanism of a stainless steel coil unwinding machine includes a transmission shaft 1, a sliding sleeve 4 and an arc plate 7. The transmission shaft 1 is made of high-quality tool steel after quenching and tempering, and bears the Connection drive and load-bearing steel belt coils. Sliding sleeve 4 is slidably arranged in the middle part of transmission shaft 1, and one end of transmission shaft 1 is connected with the unwinding machine reducer, and the end of transmission shaft 1 is provided with disc slider 2 by a flat key. In order to ensure the working stability of the disc slider, the transmission shaft 1 is provided with a round nut 3 for locking the disc slider 2 . The other end of the transm...

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PUM

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Abstract

The invention discloses a hand-operated expansion mechanism for an unreeling machine for a stainless steel strip coil. The mechanism comprises a transmission shaft, a sliding sleeve and a circular arc plate, wherein the sliding sleeve is arranged on the transmission shaft in a sliding manner; a round plate sliding block is arranged at one end of the transmission shaft; a telescopic nut is arranged at the other end of the transmission shaft; the circular arc plate is arranged on the side surface of the round plate sliding block in a sliding manner; a plane thrust ball bearing is arranged between the telescopic nut and the sliding sleeve; a sliding block expansion mechanism is arranged between the sliding sleeve and the circular arc plate; a lower sliding block and the sliding sleeve, an upper sliding block and the circular arc plate are connected through self-locking bolts. The mechanism has the advantages that diameters of a roll head can be adjusted quickly and accurately through the telescopic nut, so as to be suitable for stainless steel strip coils of different specifications; the mechanism is high in universality, simple to operate, and low in labor intensity; the stainless steel strip coil is in stable operation without retraction, so that the safety production ratio is increased greatly.

Description

technical field [0001] The invention relates to the technical field of online welding and forming of stainless steel pipes, in particular to a manual shrinking and expanding mechanism of a stainless steel coil unwinding machine. Background technique [0002] Before the stainless steel pipe is welded and formed on-line, the stainless steel strip must be rolled up and fixed on the uncoiler, and then passed through the forming mold, and welded on-line while unwinding. Stainless steel coils with different coil weights have very different inner diameters, and there is only one unwinding machine. How to securely and quickly tighten stainless steel coils with different coil weights and different inner diameters on the same unwinding machine on board? This just needs to invent a kind of uncoiler reel head manual contraction and expansion mechanism, thereby realizes the important purpose of sharing and utilizing the same unwinder for stainless steel coils with different coil weights...

Claims

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Application Information

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IPC IPC(8): B21C47/18B21C47/30
Inventor 汪正友
Owner WUHU XINLI PIPELINE TECH
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