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Auxiliary supporting device of lathe

An auxiliary support and lathe technology, which is applied in the processing field of pipe parts, can solve problems such as corrugated surface finish, failure to meet product quality requirements, and insurmountability, so as to achieve good consistency of finished products, shorten clamping time, and good performance Effect

Inactive Publication Date: 2015-05-20
TIANSHUI SPARK MACHINE TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the commonly used rigid auxiliary support device, it cannot overcome the impact and "distortion" phenomenon caused by the bending of the pipe itself and the idler roller when the pipe is processed and rotated, resulting in vibration of the auxiliary support device, lathe headstock, bed and other components
Defects such as ripples and poor surface finish occur during thread processing, which cannot meet product quality requirements

Method used

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  • Auxiliary supporting device of lathe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: see figure 1 , a lathe auxiliary supporting device, the symmetrically arranged support roller 1 is located above the bracket 20, the bottom of the bracket 20 is fixed and hinged 3 with the lifting screw 15, and the screw box 16 is also provided under the bracket 20, and the worm 6 and the worm wheel 5 Mesh, lifting screw rod 15 is the central axis of worm gear 5; Be provided with guide bar 17 symmetrically below support 20, be provided with spring 18 on guide bar 17, support 20 and guide bar 17 movable hinge 19; Belleville spring 4 is arranged.

[0015] The motor 7 and the output shaft of the reducer 8 are connected to the active synchronous pulley 9, and the driven synchronous pulley 11 is driven by the synchronous belt 10. move.

[0016] A locking pressing plate (13) is provided on the guide rail (14).

Embodiment 2

[0017] Example 2: see figure 1 , an auxiliary supporting device for a lathe, the material of the outer ring of the support roller is wear-resistant nylon. All the other structures are the same as in Example 1.

[0018] By turning the worm 6 to drive the worm wheel 5, the lifting screw 15 rotates, drives the fixed hinge 3, the bracket 20, and makes the support roller 1 rise or fall to ensure the fit with the outer circle of the workpiece, and the left and right swing depends on the support roller 1 and the guide rod 17 The four-bar linkage that parts such as support 20 constitute, lifts up and down by worm gear 5 worm screw 6 transmissions. During the processing of the workpiece, the movement trajectory of the center point of the roller always maintains a circle under the action of the workpiece, thus playing the role of floating support. Two groups of springs 18 are hung up and down on the guide bar 17 and both sides to buffer when the support swings left and right. In addit...

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PUM

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Abstract

The invention relates to long-shaft part machining of a lathe, in particular to machining of tubular parts. When a workpiece penetrates through a spindle through hole to be overhung longer, an auxiliary workpiece supporting role can be played, and the long-shaft part machining stability and reliability of a machine tool can be improved. An auxiliary supporting device of the lathe is mainly characterized in that symmetrically-arranged supporting rollers are arranged above a support, the lower portion of the support is fixedly hinged to a lifting screw, a screw box is further arranged under the support, a worm is meshed with a worm wheel, and the lifting screw is a central shaft of the worm wheel. Guide rods are symmetrically arranged under the support, springs are arranged on the guide rods, and the support is movably hinged to the guide rods. A belleville spring is arranged above the screw box.

Description

technical field [0001] The invention relates to the processing of long-axis parts of a lathe, especially the processing of pipe parts. When the workpiece passes through the through hole of the main shaft and overhangs for a long time, it can play the role of supporting the workpiece and improve the stability of the long-axis parts processed by the machine tool. sex and reliability. Background technique [0002] At present, when processing most long-axis lathes, the auxiliary support structure used is to install a set of center frame lower body on the base. Requirements. Since this auxiliary support device is rigid, it cannot overcome the impact and "distortion" phenomenon caused by the bending of the pipe itself and the idler roller when the pipe is processed and rotated, thus causing vibration of the auxiliary support device, lathe headstock, bed and other components . Defects such as ripples and poor surface finish occur during thread processing, which cannot meet produ...

Claims

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Application Information

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IPC IPC(8): B23B25/00B23Q1/76
CPCB23Q1/763
Inventor 董全宏王芳
Owner TIANSHUI SPARK MACHINE TOOL