Automatic centering center frame

An automatic centering and centering technology, used in grinding workpiece supports, metal processing equipment, metal processing machinery parts, etc., can solve the problems of high machining accuracy of hydraulic components, inability to use the rigidity of the center frame, impact, etc., and achieve installation The effect of disassembling the workpiece is convenient and quick, shortening the auxiliary processing time, and the structure of the transmission system is simple
CN108481018BInactive Publication Date: 2019-06-11CHANGZHOU COLLEGE OF INFORMATION TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHANGZHOU COLLEGE OF INFORMATION TECH
Publication Date
2019-06-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an automatic alignment center rack. The automatic alignment center rack is characterized by comprising a machine box, a driving device, a translation cam, an upper pressing rodcomponent, a lower pressing rod component and pressing head components, the translation cam is arranged inside the machine box in a left and right sliding manner and is driven by the driving device to move left and right, an upper pressing rod on the upper pressing rod component and a lower pressing rod are made to swing by the translation cam to make the pressing head components located on the upper pressing rod and the lower pressing rod and the pressing head component on the translation cam be simultaneously closed to the axis of a workpiece to be machined, so that the workpiece to be machined is supported, wheel support racks of the pressing head components automatically rotate according to the shape of the outer edge surface of the workpiece to be machined, and two support wheels ofeach wheel support rack are guaranteed to be pressed tightly against the workpiece to be machined simultaneously.
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Description

technical field

[0001] The invention relates to the technical field of mechanical processing equipment, in particular to an automatic centering center frame for auxiliary support for processing long-axis mechanical parts. Background technique

[0002] The center frame is an auxiliary support device used in the turning or grinding process of slender shaft parts, which makes it possible for high-precision machining of ultra-thin optical shafts, precision screw rods, ball screws and other parts. The conventional closed center frame used on horizontal lathes or cylindrical grinders is a combined structure of upper and lower two bodies, and three centripetal mandrels support the workpiece. When clamping the workpiece, it is necessary to open the upper body of the center frame, close the upper body after loading the workpiece, rotate the workpiece according to the circular runout value, adjust the axial movement of the mandrel, and achieve the coincidence between the support of th...

Claims

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