Tool bar structure and target inner hole processing method using tool bar structure

Abstract

The invention discloses a tool bar structure and a target inner hole processing method using the tool bar structure. The tool bar structure comprises a tool bar body, positioning blocks and turning tools, wherein the tool bar body is provided with key grooves, and a plurality of key grooves and a plurality of positioning blocks are arranged. Each positioning block is slidably arranged in the corresponding key groove in the extending direction of the key groove. The tool bar body is used for enabling the turning tools to extend into an inner hole of a to-be-processed target; each positioning block has a first preset position sliding towards the turning tool and a second preset position sliding away from the turning tool; when the positioning blocks slide to the first preset positions, the positioning blocks abut against and push against the inner walls of the inner holes of the targets to position the turning tools. When an ultra-long tubular target is processed, the tool bar body can be clamped, the tool bar body can be prevented from vibrating when the turning tools are used for turning the inner hole, and the problem that the tool bar in the prior art vibrates when the ultra-longrotating target is processed, thereby causing the inner hole to generate chattering lines is solved.

Description

technical field [0001] The invention relates to the field of mechanical processing, in particular to a cutter bar structure and a method for processing inner holes of a target using the cutter bar structure. Background technique [0002] Ultra-long rotating target refers to tubular targets such as niobium and niobium alloys, zirconium and zirconium alloys, nickel and nickel alloys, copper and copper alloys with a length greater than or equal to 2500mm. [0003] In the prior art, the inner hole of a tubular target with a length greater than 2500 mm is processed by using an ordinary extended tool bar. The head of the tool bar fixes the turning tool, and the tail of the tool bar is clamped on the tool holder of the lathe, and then extends into the tube for processing. [0004] However, due to the limitation of the diameter of the inner hole in the existing processing method, the head of the long tool bar needs to fix the turning tool, and the problem of cutting chips needs to b...

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a tool bar structure and a target inner hole processing method using the tool bar structure, so as to at least solve the problem that the tool bar in the prior art vibrates when processing an ultra-long rotating target, which causes inner hole flutter issue

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