Novel boring cutter bar with entire rolling function

A boring tool bar and rolling technology, applied in the direction of boring bar, etc., can solve the problems of reduced hole quality and chipping, and achieve the effects of high processing quality, preventing tool chipping, and enhancing steel strength

Inactive Publication Date: 2011-01-12
何淑刚
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a novel boring tool bar with full rolling function, which can carry out rolling and finishing processing on the joints of subsequent holes while boring the hole, so as to improve the surface quality of the hole, not only Improve the machining efficiency of the hole. At the same time, the rolling tool set on the tool bar can provide a stable support for the tool bar. It overcomes the current boring tool bar in the boring deep hole. decline, it is easy to cause the quality of the processed hole to decline or even break the tool

Method used

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Embodiment Construction

[0009] On the top of the cutter body (1), make a hole a perpendicular to its axis to make a channel b on the axis of the cutter body (1), and make it communicate with the hole a. Put the two pistons (5) into the Install the sealing ring (6), and at the same time correctly install it in the through hole a, install the ball (4) in the concave spherical surface of the head of the piston (5), and fix it with the ball pressing cap (3), and rotate the joint (7) Install with the mouth of the end channel b of the tool holder body (1). During work, the boring tool (2) firstly performs boring processing on the hole, and then the pressure source is passed into the rotary joint (7), and the pressure source enters the pressure chamber a through the channel b to push the piston to open, and the piston (5) pushes the ball (4 ) is tightly pressed on the inner hole wall of the workpiece c, and rolls the inner hole wall of the workpiece c with the rotation of the tool body (1), and due to the s...

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Abstract

The invention discloses a novel boring cutter bar with an entire rolling function. A hole vertical to the axis of the cutter bar body is formed on the cutter bar body, and a channel is formed on the axis of the cutter bar body and is communicated with the hole; two pistons are provided with sealing rings and correctly installed in a through hole; a ball is arranged on a concave spherical surface of the head part of each piston and fixed by a ball cap; and a rotary joint is arranged on the mouth part of an end channel of the cutter bar body. In operation, a boring cutter bores the hole first, then a pressure source is introduced into the rotary joint and enters a pressure chamber through a channel to push the pistons open, and the pistons tightly press the ball on the inner hole wall of a workpiece and roll the inner hole wall of the workpiece with the rotary advancement of the cutter bar body. Under the support action of the pistons and by correspondingly increasing the rigidity of the cutter bar body, the cutter bar body is difficult to shake, so that the processing quality of the hole is improved and the phenomenon of cutter cracking can be effectively prevented.

Description

technical field [0001] The invention relates to a boring bar, in particular to a novel boring bar with full rolling function. It belongs to the technical field of mechanical manufacturing. Background technique [0002] In mechanical manufacturing technology, the processing of holes generally requires rough boring, fine boring or grinding. If the extension is relatively long, it is easy to cause the vibration of the knife rod, which not only easily breaks the knife, but also reduces the surface quality of the hole. Contents of the invention [0003] The object of the present invention is to provide a novel boring tool bar with full rolling function, which can carry out rolling and finishing processing on the joints of subsequent holes while boring the hole, so as to improve the surface quality of the hole, not only Improve the machining efficiency of the hole. At the same time, the rolling tool set on the tool bar can provide a stable support for the tool bar. It overcome...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B29/02
Inventor 何淑刚
Owner 何淑刚
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