Off-machine pre-adjusted circular arc-shaped centreless supporter for bearing grinders

Abstract

An off-machine pre-adjusted circular arc-shaped centreless supporter for bearing grinders comprises a base, an L-shaped plate and an off-machine pre-adjusting mechanism, the L-shaped plate and the off-machine pre-adjusting mechanism are fixed on the base, and the off-machine pre-adjusting mechanism is positioned by positioning bolts on the L-shaped plate and fixedly mounted on the L-shaped plate. The off-machine pre-adjusted circular arc-shaped centreless supporter is fixed by the included angle between guide ways of a left circular arc-shaped support guide block and a right circular arc-shaped support guide block, meanwhile, the off-machine pre-adjusting mechanism is adopted to carry out off-machine adjustment and positioning, and therefore the positioning precision is high; because the conventional design method that supports can rotate is changed, the rigidity of the supports is increased, the scratches of the supports are reduced, abrasion is decreased, and thereby the frequency of adjustment is decreased; moreover, because off-machine pre-adjustment is adopted, grinding precision can be increased, and grinding efficiency can be greatly increased.

Description

technical field [0001] The invention relates to a centerless support device for a bearing grinder, in particular to a centerless support device for external preset arcs of a bearing grinder. Background technique [0002] In rolling bearing processing, grinding equipment is the key equipment in each process, accounting for more than 60% of the entire production labor. Bearing rings are typical disk and ring parts, especially suitable for mass production, while electromagnetic centerless fixtures have the following characteristics: 1. High repeat positioning accuracy; 2. High-efficiency self-positioning; 3. No clamping deformation; 4. The radial and axial runout of the main shaft is not 1:1 to transmit the processing error; 5. It is easy to load and unload the workpiece, which is convenient for automatic production; so it is widely used in the field of rolling bearing grinding. [0003] During the grinding process of bearing rings, the precision requirements are very high, an...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of low positioning and support accuracy, low support rigidity and many adjustment times of the previous support devices, and provide a kind of centerless support device with pre-adjusted arc outside the bearing grinding machine. The present invention uses the left arc to support the guide block and The included angle of the guide groove of the right circular arc support guide block is fixed, and at the same time, the external pre-adjustment mechanism is used to adjust and position outside the machine, with high positioning accuracy. Because the previous design method that the support can be rotated has been changed, the support rigidity has been increased. , the support scratches are lighter, the wear is reduced, and the number of adjustments is reduced, and the external pre-adjustment is used to improve the grinding accuracy and greatly improve the grinding efficiency

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