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Self-centering outer-diameter clamp

A self-centering and fixture technology, applied in the field of machining, can solve the problems of inability to achieve self-centering, poor machining accuracy, complex structure, etc., and achieve the effects of simple structure, improved machining accuracy, and reliable structure.

Inactive Publication Date: 2017-04-26
徐四儿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In order to process a surface that meets the specified technical requirements, the workpiece must be positioned and clamped on the machine tool where the workpiece is clamped before processing. When installing the workpiece, it is generally positioned first and then clamped, and the workpiece is installed on the three-jaw chuck. At the same time, the positioning and clamping are carried out at the same time. The workpiece is directly installed on the machine tool workbench or the general fixture. Unloading is cumbersome, and most of them cannot achieve self-centering, and often cannot meet the requirements of the conditions, resulting in poor machining accuracy

Method used

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  • Self-centering outer-diameter clamp

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Embodiment Construction

[0009] Depend on figure 1 It is known that a self-centering outer diameter clamp is composed of a clamp base 1, a clamp rod 2, a contraction surface 3, a guide surface 4, a mounting surface 5, and a spindle connecting thread 6. The clamp rod 2 is inserted into the clamp base 1 Inside, the fixture is positioned by the guide step and the guide surface 4, the shrinkage surface 3 is an inner cone surface, the shrinkage body is an outer cone structure, and the included angle of the inner cone surface is smaller than the included angle of the outer cone, so The above-mentioned contraction body is connected with the guide step, and the connecting part is provided with a contraction avoidance groove, and the center of the contraction body part is provided with a central hole, and six notches of equal depth are arranged concentrically and evenly along the center hole to the outer edge of the vertebral body. The contraction body is divided into six parts. When making the fixture, first ...

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Abstract

A self-centering outer-diameter clamp is composed of a clamp base and a clamp pull rod. The clamp base is composed of a contracting face, a guiding face and a mounting face. The clamp pull rod is composed of a spindle connecting thread, a connecting rod, a guiding step, a contracting receding groove and a contracting body. The self-centering outer-diameter clamp is characterized in that the clamp pull rod is inserted into the clamp base, and the clamp is positioned through the guiding step and the guiding face. The self-centering outer-diameter clamp is simple and reliable in structure, a workpiece is convenient to assemble and disassemble, self-centering can be achieved, machining precision is improved, and the concentricity and perpendicularity of a machined face and a workpiece inner hole can be guaranteed; and the self-centering outer-diameter clamp is suitable for being applied and popularized in the fields where positioning and clamping need to be achieved relying on workpiece inner holes.

Description

technical field [0001] The invention relates to the field of mechanical processing, in particular to a self-centering outer diameter clamp for part processing. Background technique [0002] In order to process a surface that meets the specified technical requirements, the workpiece must be positioned and clamped on the machine tool where the workpiece is clamped before processing. When installing the workpiece, it is generally positioned first and then clamped, and the workpiece is installed on the three-jaw chuck. At the same time, the positioning and clamping are carried out at the same time. The workpiece is directly installed on the machine tool workbench or the general fixture. Unloading is more troublesome, and most of them cannot realize self-centering, and often cannot meet the requirements of the conditions, resulting in poor machining accuracy. Contents of the invention [0003] The object of the present invention is to provide a self-centering outer diameter fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/12
CPCB23Q3/12
Inventor 徐四儿
Owner 徐四儿
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