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Mandrel for static pressure cylindrical grinding machine for machining thin-wall long shaft parts

A cylindrical grinding machine, long axis technology, applied in metal processing machinery parts, metal processing equipment, manufacturing tools and other directions, can solve difficult processing and other problems, to achieve the effect of rapid clamping and improvement

Inactive Publication Date: 2020-12-11
SHAANXI WEIHE TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, a mandrel for a static pressure cylindrical grinder is provided to overcome the technical problem that thin-walled and long shaft parts are difficult to process

Method used

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  • Mandrel for static pressure cylindrical grinding machine for machining thin-wall long shaft parts
  • Mandrel for static pressure cylindrical grinding machine for machining thin-wall long shaft parts
  • Mandrel for static pressure cylindrical grinding machine for machining thin-wall long shaft parts

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Embodiment Construction

[0024] Attached below Figure 1-6 The technical solution provided by the present invention is described in more detail.

[0025] Such as figure 1 with figure 2 As shown, it is a mandrel for a static pressure cylindrical grinder used for processing thin-walled long-axis parts of the present application, which is installed on the main shaft of a common ordinary cylindrical grinding lathe and can be used to process thin-walled long-axis parts , its technical solutions mainly include:

[0026] The tensioning assembly realizes the axial clamping and clamping of the workpiece: specifically, the assembly includes the mandrel (2) and the expansion sleeve (3), and a left connection for connecting the spindle of the cylindrical grinding machine is provided in the axial direction of the mandrel (2) The hole (11) and the right connecting hole (12) are provided with a recessed platform on the circumference of the left end of the mandrel (2) for convenient placement and fixing of the th...

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Abstract

The invention discloses a mandrel for a static pressure cylindrical grinding machine for machining thin-wall long shaft parts. The mandrel is arranged on a main shaft of the cylindrical grinding machine and comprises a tensioning component and a sealing oil cavity pressure adjusting component, wherein a mandrel body is in interference fit with a tensioning sleeve to realize sealing; and a first annular oil cavity and a second annular oil cavity are with proper lengths in the axial direction of the mandrel body are formed through sealing, and an inclined mandrel oil way is arranged between thefirst annular oil cavity and the second annular oil cavity to enable the first annular oil cavity and the second annular oil cavity to communicate. By means of the tensioning component and the sealingoil cavity pressure adjusting component, the pressure of an oily medium in an internal oil way is controlled by tightening or loosening screws, and then the uniform tensioning degree of the tensioning sleeve is controlled, so that the purposes of quickly clamping the thin-wall long shaft workpieces and improving the machining precision are achieved.

Description

technical field [0001] The invention relates to the technical field of tooling, in particular to a tooling fixture for a grinder, in particular to a mandrel for a static pressure cylindrical grinder used for processing thin-walled long-axis parts. Background technique [0002] Generally, the machining of thin-walled and long-axis parts is relatively difficult, and it belongs to a type of difficult-to-machine parts in machining. Tracing it to its cause is that its wall is thin, rigidity is poor, and clamping is difficult to control. Especially when it is clamped and processed with a fixture, the thin-walled part will be deformed when the radial compression static force is slightly compressed, so it is difficult to ensure that the technical accuracy requirements of the workpiece processing are met, and in serious cases, the workpiece will be scrapped. [0003] In addition, the traditional small-taper positioning mandrel fixture is used to clamp the workpiece. When processing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/14
CPCB23Q3/14
Inventor 张广宏朱辛李杏林张文周韩建峰樊文刚周子琛
Owner SHAANXI WEIHE TOOLS CO LTD
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