Boring tool used for machining small-hole-diameter step type round hole inner cavity and provided with replaceable tool head

A technology of small aperture and cutter head, which is applied in the direction of tools, manufacturing tools, metal processing equipment, etc. for lathes, can solve the problems of low processing efficiency, easy deviation of processing concentricity, etc., so as to improve processing efficiency and processing quality. Effect

Pending Publication Date: 2019-08-06
SHANXI FENXI HEAVY IND
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The invention provides a boring tool for machining the inner cavity of a circular hole with a small diameter and a step, which solves the problem that the processing

Method used

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  • Boring tool used for machining small-hole-diameter step type round hole inner cavity and provided with replaceable tool head
  • Boring tool used for machining small-hole-diameter step type round hole inner cavity and provided with replaceable tool head
  • Boring tool used for machining small-hole-diameter step type round hole inner cavity and provided with replaceable tool head

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[0014] The present invention will be described in detail below in conjunction with the drawings:

[0015] A boring tool with a replaceable cutter head used for processing the inner cavity of a small-diameter round hole with a stepped hole. The boring tool includes a cutter bar (1) and a cutter head holder (2). A barrel-shaped cavity is provided on the cutter bar (1) (3) A cutter head holder (2) is connected to the cavity port (4) of the barrel-shaped cavity (3), and the cutter head and cutter rod connecting threads (6) are respectively provided on the cutter head holder (2) And the annular positioning step (9), the cutter head seat (2) is screwed into the cavity port (4) through the connecting thread (6) of the cutter head and the cutter rod, and the central axis (10) of the annular positioning step (9) It is coincident with the center axis (11) of the tool bar (1), and the blade (7) is fixed on the cutter head seat (2) through the top wire (8); when machining the hole-shaped cav...

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Abstract

The invention discloses a boring tool used for machining a small-hole-diameter step type round hole inner cavity and provided with a replaceable tool head. The technical problems that when an inner hole inner cavity provided with a step is subjected to high-speed boring machining, the machining concentricity is prone to deviating, and the machining efficiency is low are solved. A tool rod (1) is provided with a barrel-shaped cavity (3), and a cavity opening (4) of the barrel-shaped cavity (3) is connected with a tool head seat (2). The boring tool is characterized in that the tool head seat (2) is provided with a tool head and tool rod connection thread (6) and an annular positioning step (9), and the tool head seat (2) and the tool head and tool rod connection thread (6) are connected into the cavity opening (4); the axis (10) of the annular positioning step (9) coincides with the axis (11) of the tool rod (1); and a tool blade (7) is fixed to the tool head seat (2) through a jackscrew (8). The machining efficiency and the machining quality are greatly improved.

Description

technical field [0001] The invention relates to a circular inner cavity boring tool for a metal piece, in particular to a circular inner cavity boring tool with a small diameter and a step on the inner side wall. Background technique [0002] Boring is a cutting process that uses tools to enlarge the inner diameter of a hole or other circular inner contours. The application range covers from semi-rough cutting to fine cutting; Cutting tool, a metal cutting processing method for hole reaming; in the process of high-speed boring processing, the tool speed is fast and the feed rate is also large. High-speed boring can save 30% machining time, and the feed rate is 5 to 10 times that of traditional cutting. It has the characteristics of small cutting force, and can machine thin-walled parts, greatly improving its surface finish. . In the boring process, sometimes there are steps or even multiple steps on the side wall of the inner cavity in the inner hole of some products. Afte...

Claims

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Application Information

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IPC IPC(8): B23B27/16B23B29/00B23B29/02
CPCB23B27/16B23B29/00B23B29/022
Inventor 赵永刚李凤谢鹏春杨晋林毛云姣高志明王文广王晓庆郝丽梁龙云
Owner SHANXI FENXI HEAVY IND
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