High-strength rolling mill

Abstract

The invention provides a high-strength rolling mill which comprises a roller, an inner bearing, an outer bearing, a bearing pedestal, an inner end cover, an outer end cover and an axial fixing system. The inner bearing and the outer bearing are located at the end part of the roller; the bearing pedestal is used for mounting the inner bearing; the inner end cover is fixed with the bearing pedestal; the outer end cover is fixed with the inner end cover; the axial fixing system is fixed at the end part of the roller, located in an annular space in the outer end cover, and comprises a shaft end cover, keys, and a fixing structure; the shaft end cover comprises a side wall and a baseplate, the side wall is cylindrical, the baseplate is arranged at the outer end of the side wall, the end part of the roller is sleeved with the roller, the outer edge of the inner end of the side wall is provided with a convex edge extending around the side wall, and the inner surface of the convex edge is close to the inner bearing; the keys are arranged between the inner surface of the side wall and the side surface of the end part of the roller; the fixing structure is connected between the baseplate and the end surface of the end part of the roller and is used for fixing the shaft end cover to the end part of the roller; a first key slot is formed in the inner surface of the side wall; a second key slot is formed in the side surface of the fixed end of the roller; and the keys are arranged in the first key slot and the second key slot respectively. The high-strength rolling mill can prevent the roller from axial movement.

Description

technical field [0001] The invention relates to a high-strength rolling mill, in particular to an axial fixing system for a fixed end of the high-strength rolling mill. Background technique [0002] Rolling mill is the equipment to realize the metal rolling process, among which, high-strength rolling mill is widely used. High-strength rolling mills, such as SY-type high-rigidity rolling mills, are new types of short-stress-line rolling mills without archways, suitable for small and medium-sized rolling mill renovations, and also suitable for small continuous rolling and semi-continuous rolling workshops. The fixed end structure of one of the rolls 9 of the current high-strength rolling mill is as follows: figure 1 as shown, figure 1 In , the meanings of reference signs are: 1 is the lower bearing seat; 2 is the inner end cover; 3 is the bearing; 4 is the end cover; 5 is the nut; 6 is the first spacer ring; 7 is the threaded pressure ring; 8 Thrust half ring; 9 is a roll; ...

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a high-strength rolling mill (also known as a high-rigidity rolling mill) to solve the problem in the prior art that the threaded pressure ring for axial fixing of the roll is difficult to tighten and easy to loosen

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