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Bending long shaft turning device

A bending shaft and bending technology, which is applied in the field of turning and processing curved long shaft devices, can solve problems such as high cost, high technical requirements, and inability to realize transformation

Active Publication Date: 2015-01-07
汤子尧
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the technical requirements are high, and ordinary enterprises cannot realize the transformation by themselves, and it will cost a lot to hire people to transform.

Method used

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  • Bending long shaft turning device
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  • Bending long shaft turning device

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] In the preferred embodiment, this device is used for the external machining of seamless steel pipes for large-diameter high-pressure boilers, because national standards allow the axis of hot-rolled seamless steel pipes to have a certain curvature (less than 1‰), but usually large-diameter hot-rolled The surface quality of the outer circle of the rolled seamless steel pipe does not meet the requirements of the seamless steel pipe for large-diameter high-pressure boilers, and the outer circle of the steel pipe needs to be turned; this device does not need to turn the bent steel pipe into a straight steel pipe, but makes the steel pipe before and after turning Keeping the same bending curvature and complying with the national standard that the curvature of seamless steel pipes for large-diameter high-pressure boilers is less than 1‰ can greatly reduce the amount of machining and cutting, and the economic benefits are huge.

[0022] Such as Figure 1 to Figure 4 As shown, t...

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Abstract

The invention discloses a bending long shaft turning device. The bending long shaft turning device comprises a compression roller device which radially clamp a to-be-machined bending shaft and a fixing base of the compression roller; the compression roller device comprises an inelastic compression roller mechanism and an elastic compression roller mechanism which are respectively arranged on transverse bilateral sides of the to-be-machined bending shaft; a fixing frame is slidably connected to a large carrying plate of a turning lathe in a mode of being perpendicularly to the turning lathe machining axis; the fixing frame is connected with a turning tool frame. Along with rotation of the to-be-machined bending shaft, the fixing base drives an integral device to perform straight reciprocating motion in a mode of being perpendicular to turning lathe machining axis, the two compression roller mechanisms measure the shape of the bending shaft on line and meanwhile adjust a turning tool position during the turning process in real time through the fixing frame, the distance between a tool tip and the bending shaft axis is guaranteed unchanged, and the constant back cutting depth of the turning tool is guaranteed through a mechanical mode to achieve machining of the bending shaft and unchanged original curvature of the bending shaft. Axial feeding during the turning process is achieved in a mode that the large carrying plate drives the integral device to perform axial movement along the bending shaft.

Description

technical field [0001] The invention relates to a turning device, in particular to a device for turning a curved long axis. Background technique [0002] Ordinary lathes turn the curved axis to be processed through the three-jaw chuck and the top to position the workpiece and then make a rotary motion. At the same time, the middle carriage moves linearly along the guide rail. The trajectory of the turning tool is a straight line, so the processed workpiece is a straight axis. The original curvature of the bent shaft cannot be maintained. [0003] Compared with ordinary machine tools, although the existing CNC lathes can realize the position adjustment of the turning tool and can process various complex-shaped rotary workpieces, they cannot directly process the curved shaft into a shaft that can maintain the original curvature. A more feasible method is to transform the existing CNC machine tool, install an online measurement system, conduct online measurement of the ben...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B5/08B23Q3/12
CPCB23B5/08B23Q3/00
Inventor 汤子尧
Owner 汤子尧
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