Oil pressure type automatic extension grinding rod for grinding inner diameter and using method of oil pressure type automatic extension grinding rod

A grinding oil and grinding rod technology, which is applied to grinding tools, grinding machines, grinding machine parts, etc., can solve the problems of time-consuming and labor-intensive replacement, complex structure of grinding equipment, high cost, etc., and achieve fast installation and replacement, simple structure, low-cost effects

Active Publication Date: 2015-04-08
GUANGLONG PRECISION IND FUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] For some workpieces that need to be finished with inner holes, grinding equipment is often required, especially for the inner hole wall processing of small diameters, the structure of the grinding equipment is complex, and in order to ensure the accuracy, the sand bars on the grinding equipment need to be replaced frequently. Replacement is very time-consuming and labor-intensive, and the cost is high

Method used

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  • Oil pressure type automatic extension grinding rod for grinding inner diameter and using method of oil pressure type automatic extension grinding rod
  • Oil pressure type automatic extension grinding rod for grinding inner diameter and using method of oil pressure type automatic extension grinding rod
  • Oil pressure type automatic extension grinding rod for grinding inner diameter and using method of oil pressure type automatic extension grinding rod

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Embodiment 1

[0020] Embodiment one: if Figure 1~6 As shown in the figure, an oil-pressure automatic externally stretched grinding rod for inner diameter grinding includes a rotating shaft 1 whose rear end is sheathed on the rotary machine table and rotates with it. The front end of the rotating shaft 1 is threadedly connected with a shaft sleeve 2 The shaft 1 and the shaft sleeve 2 are axially provided with a through hole with the same center line, and the through hole is installed with a mandrel 3 and a push rod 4 sequentially from front to back, and the front side wall of the shaft sleeve 2 is There are three sand bar holes 21 communicating with the through holes. Two cylindrical protrusions 32 are arranged on the spacer ring on the front side wall of the mandrel 3, and three inclined surfaces 33 are evenly distributed on the front ends of the protrusions 32. Protrusion 32 is positioned at the scope of sand bar hole 21, and sand bar 5 is placed in described sand bar hole 21, and the bot...

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Abstract

The invention relates to an oil pressure type automatic extension grinding rod for grinding an inner diameter and a using method of the oil pressure type automatic extension grinding rod. The oil pressure type automatic extension grinding rod comprises a rotating shaft of which the rear end part is arranged on a rotating machine in a sleeving manner; the rotating shaft rotates together with the rotating machine; the front end of the rotating shaft is in threaded connection with a shaft sleeve; a through hole in the same center line is formed in the rotating shaft and the shaft sleeve along the axial direction; a mandrel and a mandril are sequentially arranged in the through hole from front to back; a plurality of grinding bar holes communicated with the through hole are uniformly distributed in the side wall of the front end of the shaft sleeve; the side wall of the front end of the mandrel is annularly provided with at least one cylindrical convex part at intervals; slops in the same number as the grinding bar holes are uniformly distributed in the front end of the convex part; the convex part is positioned within the grinding bar holes; grinding bars are arranged in the grinding bar holes. The device is simple in structure, convenient to manufacture and use and high in machining accuracy, and is particularly suitable for grinding small-diameter workpieces.

Description

technical field [0001] The invention relates to an oil-pressure automatic externally stretched grinding rod for internal diameter grinding and a use method thereof. Background technique [0002] For some workpieces that need to be finished with inner holes, grinding equipment is often required, especially for the inner hole wall processing of small diameters, the structure of the grinding equipment is complex, and in order to ensure the accuracy, the sand bars on the grinding equipment need to be replaced frequently. Replacement is very time-consuming and labor-intensive, and the cost is high. Contents of the invention [0003] The present invention makes improvements to the problems existing in the above-mentioned prior art, that is, the technical problem to be solved by the present invention is to provide a hydraulic type automatic external tension grinding rod for internal diameter grinding and its use method, which has a simple structure, is easy to use, and can Quick...

Claims

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Application Information

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IPC IPC(8): B24B5/48B24B41/00
CPCB24B37/11
Inventor 吴育芳
Owner GUANGLONG PRECISION IND FUZHOU
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