A chuck for machining an outer race

Abstract

The utility model belongs to outer star wheel processing field, concretely is a kind of clamping device for outer star wheel processing, including fixed base, the top of fixed base is fixedly provided with placing plate, the top of placing plate is detachably provided with clamping cover, the inside of clamping cover is slidably provided with elastic top block in the top of placing plate, the outer circumferential surface of clamping cover is evenly provided with multiple auxiliary notches in ring shape, the inside of each auxiliary notches is slidably provided with arc clamping plate, and the inner arc surface of arc clamping plate is evenly provided with multiple shock-absorbing convex strips.The utility model is provided with elastic top block and other components, can be completely surrounded to the bowl-shaped wheel body of multiple sizes Clamping and fixing, can evenly disperse the clamping force of clamping device to bowl-shaped wheel body, effectively prevent the deformation of bowl-shaped wheel body in the process of clamping bowl-shaped wheel body, to effectively improve the yield of outer star wheel processing.

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