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Positioning device with double guide structure

A positioning device and double-guided technology, applied in positioning devices, manufacturing tools, clamping, etc., can solve problems such as longitudinal movement restrictions

Active Publication Date: 2015-09-09
SHENYANG AIRCRAFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in engineering practice, there is a part with an inner hole and a non-circumferential outer circumference, and the longitudinal movement of the part on the machine tool is limited by objective conditions.

Method used

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  • Positioning device with double guide structure

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Embodiment Construction

[0008] Such as figure 1 As shown, a positioning device with a double-guiding structure is connected to the shoulder of the cylindrical base 8 in sequence with a pad I7 and a pad II5. The pad I7 and the pad II5 have inner holes with equal diameters. Two The structural form of the pad is to facilitate the finishing of the upper surface of the pad II5, to ensure the levelness of the upper surface of the pad II5, and to ensure that the workpiece and the bottom surface are horizontally overlapped; the sleeve 6 is set on the top of the base 8, and is located In the inner holes of pad I7 and pad II5, the base 8 acts as a guide for the sleeve 6, and a spring 11 is provided above the base 8, and the upper end of the spring 11 is in contact with the lower surface of the cavity of the sleeve 6; The top of the cylinder 6 is connected with a conical seat 4, and the outer circumference of the conical seat 4 is provided with a conical surface, which is used for the axis positioning of the wo...

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Abstract

The invention relates to a positioning device with a double guide structure. A pad I and a pad II are sequentially connected to a shaft shoulder of a cylindrical base. Each of the pad I and the pad II is provided with an inner hole, wherein the inner holes are equal in diameter. A sleeve is sleeved above the base and located in the inner hole of the pad I and the inner hole of the pad II. Springs are disposed above the base, and the upper end of each spring contacts with the lower surface of a cavity of the sleeve. A conical seat is connected above the sleeve, and the outer periphery of the conical seat is a conical surface. A guide shaft sequentially passes through an inner hole of the conical seat, an inner hole of the sleeve and an inner hole of the base. A transition part with a pressure cover is connected above the guide shaft. A pressure plate is disposed below the pressure cover. The positioning device is simple in structure, higher in guidance positioning precision, and applicable to improving linear guidance precision in limited space.

Description

technical field [0001] The invention relates to a positioning device with a double guide structure, which belongs to the field of fixtures of machine tools. Background technique [0002] The moving part moves in a certain direction. If there is a precision requirement in the moving direction, a guiding structure is required in the moving direction. The guiding structure will directly affect the walking accuracy of the moving part. The measures to improve the guiding precision are mainly carried out from the principle and structure. For example, linear guides can improve the guide accuracy by increasing the guide length and guide structure precision. However, in engineering practice, there is a part with an inner hole and a non-circumferential outer circumference. The longitudinal movement of the part on the machine tool is limited by objective conditions. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a positi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/00
Inventor 尚利
Owner SHENYANG AIRCRAFT CORP
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