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Sectional type numerical control self-centering center frame

A self-centering and centering technology, which is used in large fixed members, metal processing machinery parts, metal processing equipment, etc., can solve the problems of relying on the operation and feeling of operators, and the centering method is not very reliable, so as to improve reliability. Effect

Active Publication Date: 2013-02-13
烟台环球机床附件集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional center frame generally has three 120-degree split screws for manual adjustment, but this centering method is not very reliable and often depends on the operator's operation and feeling

Method used

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  • Sectional type numerical control self-centering center frame
  • Sectional type numerical control self-centering center frame
  • Sectional type numerical control self-centering center frame

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Embodiment 1

[0029] A segmented numerically controlled self-centering steady frame, comprising a body 3, two side arms 1, a drive cam 4, a cross arm 5, a body cover, two return mechanisms 6 and a push cylinder assembly, the body 3 is surrounded by The edge is provided with a raised outer edge, and two openings are respectively arranged at both ends on the outer edge of the top of the body 3, and the two side arms 1 are provided with round holes, and the inner side of the side arm 1 is an arc The drive cam 4 forms a plane protrusion from the center of the bottom to the top, and the top of the drive cam 4 transitions through a transition curve to the bottom. The top of the return mechanism 6 is provided with a driven groove 6-1, and the bottom is provided with a Active slot 6-2;

[0030] The opposite round holes of the two side arms 1 are respectively fixed in the opening on the outer edge of the top of the body 3 through two slewing bearings 2, and the bottom ends of the two side arms 1 are...

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Abstract

The invention relates to a sectional type numerical control self-centering center frame comprising a body, two side arms, a driving cam, a cross arm, two return mechanisms and a pushing oil cylinder assembly, wherein circular holes of the two side arms are respectively and movably fixed in an opening formed in the outer edge of the top of the body through two rotation supports; the bottom ends of the two side arms are respectively and movably connected with driven grooves of the return mechanisms; two ends of the bottom of the driving cam are respectively and movably connected with the driving grooves of the return mechanisms; the bottom end of the return mechanism is movably connected with the bottom end of the body; a straight groove is formed in the body, and is communicated with the top and the bottom of the body; the cross arm is arranged inside the straight groove; the cross arm is fixed with the middle part of the bottom end of the driving cam; and the pushing oil cylinder assembly is fixed at the middle part of the outer wall of the body and is fixed with the cross arm. The dimension range of workpieces that can be held by the sectional type numerical control self-centering center frame is wide; and the sectional type numerical control self-centering center frame is accurate in clamping, high in reliability and the like.

Description

technical field [0001] The invention relates to an accessory of a numerically controlled machine tool, in particular to a segmented numerically controlled self-centering steady frame. Background technique [0002] The steady frame generally adopts hydraulic or pneumatic control. Under the control of the control system, the automatic centering and clamping of workpieces with different diameters and specifications is realized. The principle is realized by a precision-machined cam mechanism. When the ratio of the length to diameter of the processed workpiece is more than 2.5 times, due to the weakened rigidity of the workpiece, the cutting force will increase the deformation of the workpiece. During the processing, it is prone to vibration, large errors in processing, and even the viciousness of the workpiece falling. ACCIDENT. Therefore, the center frame is used as an auxiliary support to increase the rigidity of the workpiece and the stability of cutting. Especially for sle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/76
Inventor 初福春刘青春吴培坚王家晓臧克宝房秀丽
Owner 烟台环球机床附件集团有限公司
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