Axial Freedom Limiting Device for Rotating Shaft Tube Parts

Abstract

The invention relates to an axial freedom degree limiting device for rotary shaft tube parts, and belongs to the technical field of equipment assisting devices. The axial freedom degree limiting device comprises a vertical shaft assembly, a retaining roller and a tapered roller bearing, wherein the retaining roller axially rotates around the vertical shaft assembly through the tapered roller bearing. Because the retaining roller is provided with a circular section and has a self-rotating function, the contact way of the retaining roller and the end surface of each rotary shaft tube part is changed from rigid to flexible, and buffering can be realized because of self-rotation of the retaining roller even if a stress nonuniformity phenomenon happens when the retaining roller is in contact with the end surface of each shaft tube part. By using the axial freedom degree limiting device, the placing position accuracy of the rotary shaft tube part is achieved, the spray quenching quality is ensured, the phenomenon that limiting and retaining devices are often damaged or destroyed because the stress is nonuniform is avoided, the service life is prolonged, the maintaining cost is reduced, and the production efficiency is increased.

Description

technical field [0001] The invention relates to a device for limiting the axial degree of freedom of rotating shaft and tube parts, and belongs to the technical field of equipment accessories. Background technique [0002] The shaft tube parts complete the spray quenching process during the rotation process, so the accuracy of the position of the shaft tube parts on the support roller is directly related to whether they can fully enter the working area of ​​the equipment, and then affect the quality of their quenching. In order to ensure the working state and non-working state position of shaft tube parts, it is necessary to set up a limit mechanism. The traditional limit structure is a fixed block or baffle, and the end surface of the shaft tube part is in surface contact with the block or baffle, but due to the verticality of the end face of the shaft tube part itself and the shaft tube part The verticality of the end surface caused by rotation will make the end surface o...

AI Technical Summary

Problems solved by technology

The traditional limit structure is a fixed block or baffle, and the end surface of the shaft tube part is in surface contact with the block or baffle, but due to the verticality of the end face of the shaft tube part itself and the shaft tube part The verticality of the end surface caused by rotation will make the end surface of the shaft tube parts contact with the stopper or baffle, and the surface contact cannot be fully realized, resulting in uneven force, and the stopper or baffle is often damaged or damaged. And replacing the block or baffle has become a very repetitive work, which not only increases the production cost, but also prolongs the cycle of the spray quenching process, which brings a lot of inconvenience to the production

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