Precision cutting head for inner-hole keyways

A cutting head, precision technology, applied in the field of precision inner hole keyway cutting head, to achieve the effect of convenient operation, simple clamping and precise centering

Active Publication Date: 2012-10-03
HUBEI MINGCHENG PRECISION MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Precision cutting head for inner-hole keyways
  • Precision cutting head for inner-hole keyways
  • Precision cutting head for inner-hole keyways

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Embodiment Construction

[0018] The present invention will be further described by using the accompanying drawings and examples.

[0019] Such as figure 1 , figure 2 As shown, the present invention is a precision inner hole keyway cutting head, which includes a cylindrical tool guide rail 1, a feed rod 2, a tool bar 3, a blade 4, a clamping block 5, an embedded bush 6, a worktable 8, a fixed Screw 9, compression screw 10, precision indexing plate 11, machine base 12, vertically fixedly install cylindrical tool guide rail 1 on workbench 8, and make cylindrical cutter guide rail 1 penetrate in the through hole of workbench 8; A precision rectangular groove is made on the guide rail 1 of the guide rail along the axis of the guide rail. In the precision rectangular groove, a feed rod 2 and a knife rod 3 are installed according to a precision sliding fit tolerance. The rectangular groove slides up and down, the slopes made by the upper end of the feed rod 2 and the cutter rod 3 are consistent and fit ea...

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Abstract

The invention relates to metal cutting machinery and particularly relates to a precision cutting head for an inner-hole keyways. The cutting head comprises a cutter guide rail, a feeding rod, a cutter rod, a blade, a clamping block, an embedded lining, a work table, a fixed screw, a pressing screw, a precision dividing disc and a machine seat. The precision cutting head adopts a new processing concept to create a processing method which integrates the cutter with the clamper. The cutter guide rail is provided with a rectangular precision groove. The feeding rod and the cutter rod which can slide upwards and downwards along the rectangular precision groove are installed in the rectangular groove according to the precision sliding fit tolerance. The heads of the feeding rod and the cutter rod are provided with inclined surfaces which are mutually adhered with each other, and the slopes of the inclined surfaces are the same. The feeding rod and the cutter rod are driven by an external power source. A molded blade of which the width is the same as the keyway is installed on the cutter rod. The embedded lining of the cutter guide rail is embedded in the inner hole of the working piece to positioning, and the working piece is fixed by a manner of processing the embedded lining through the pressing bolt. The precision cutting head has the advantages of simple installation and clamping, accurate centering, high processing precision and high processing efficiency, so that the precision cutting head can be applied to the mechanical processing industry, in particular to the precision machinery industry.

Description

technical field [0001] The invention relates to a metal cutting machine, in particular to a precision inner hole keyway cutting head. Background technique [0002] Among the domestic metal cutting machine tools, there are broaching machines, slotting machines and planing machines for processing inner hole keyways. These three machine tools can still meet the requirements for keyway processing with less strict precision requirements, but with the advancement of science and technology and the continuous improvement of product quality , the accuracy requirements for the keyway are getting higher and higher. The existing keyway processing equipment and processing methods can not fully guarantee the processing quality of keyway symmetry, keyway width and roughness. For keyway processing with high precision requirements or difficult keyway processing, domestic enterprises You have to import CNC precision keyway processing equipment. However, the imported CNC precision keyway pro...

Claims

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Application Information

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IPC IPC(8): B23D79/00B23Q5/22B23Q3/00B23Q1/01
Inventor 王元霞
Owner HUBEI MINGCHENG PRECISION MACHINERY
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