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Back pull type reamer handle

A reamer and tool holder technology, which is applied to the accessories of tool holders, turning equipment, metal processing equipment, etc. High precision, simple structure and easy operation

Pending Publication Date: 2017-09-05
上海新山田精密刀具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the installation of reamers mostly adopts the conventional side fixing type and thermal expansion type, which cannot take into account the two requirements of clamping accuracy and clamping rigidity of the compound tool, which limits the use of reamers.

Method used

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  • Back pull type reamer handle
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  • Back pull type reamer handle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A rear-pull reamer handle, including a flange handle 1, a handle body 2, a fastening screw 3, a locking bolt 4, a collet 5 and a reamer 6, as shown in the figure, the specific structure is:

[0025] The front end of the flange handle 1 is a flange joint, and the rear end of the handle body 2 is a flange joint. The rear end of the handle body 2 and the front end of the flange joint handle 1 are connected by a flange joint. The stepped hole through the middle part of the flange joint at the rear end, the stepped hole has at least three levels and the aperture gradually decreases from the rear end to the front end of the handle body 2 and is successively set as the first level, the second level to the nth level , n is a positive integer, the first step hole is provided with a fastening screw 3, the screw of the locking bolt 4 passes through the second step hole, and the nut of the locking bolt 4 is against the first step The steps of the 2-stage stepped hole, the collet 5 ...

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PUM

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Abstract

The invention relates to the field of reaming operation for machining metal in a material chopping mode, in particular to a back pull type reamer handle. The back pull type reamer handle comprises a flange joint shank (1) and is characterized in that the back pull type reamer handle further comprises a handle body (2), a fastening screw (3), a lock bolt (4), a contracting chuck (5) and a reamer (6); a flange joint is arranged at the rear end of the handle body (2); a stepped hole communicating with a middle through hole of the flange joint at the rear end is formed in the handle body (2); the fastening screw (3) is arranged in the first-stage step hole; a threaded rod of the lock bolt (4) penetrates out of the second-stage step hole; the contracting chuck (5) is arranged in the third-stage step hole in a sleeved mode; the contracting chuck (5) is connected with the lock bolt (4) through a threaded hole in the rear end of the contracting chuck (5); and the rear end of the reamer (6) penetrates in through a center through hole of a rear end cover (21) and is embedded in an elastic inclined strut (51) of the contracting chuck (5). The back pull type reamer handle is simple in structure, convenient to use and mount, high in centring precision, low in cost and long in service life.

Description

technical field [0001] The invention relates to the field of reaming operation for metal processing by cutting material, in particular to a back-pull type reamer handle. Background technique [0002] Reaming is a commonly used hole processing method, which has the advantages of smooth hole wall surface, high processing quality and high production efficiency. However, at present, the installation of reamers mostly adopts the conventional side fixing type and thermal expansion type, which cannot meet the two requirements of clamping accuracy and clamping rigidity of the compound tool, which limits the use of reamers. Contents of the invention [0003] In order to overcome the defects of the prior art and provide a clamping device with simple structure, convenient use, convenient installation and high centering precision, the invention discloses a back-pull type reamer handle. [0004] The present invention achieves the goal of the invention through the following technical s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/00
CPCB23B31/006
Inventor 韩向刘俊超
Owner 上海新山田精密刀具有限公司