Workpiece clamping and driving device of numerical-control camshaft grinding machine

A driving device and camshaft technology, which is applied in the direction of grinding driving device, grinding workpiece support, grinding machine tool parts, etc., can solve the problems of affecting the accuracy of the camshaft, increasing the error of the camshaft, affecting the work efficiency, etc., and achieving improvement The effects of processing efficiency, improving precision and good application prospects

Active Publication Date: 2014-04-23
内江金鸿曲轴有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of clamping and driving device has the following disadvantages: 1) Every time the workpiece is loaded and unloaded, it is necessary to install and unload the sweetheart chuck, which affects work efficiency; When the length is large, torsional deformation will occur during the grinding process, which will affect the accuracy of the camshaft; 3) Using synchronous belt drive, because the synchronous belt is elastic, it will increase the error of camshaft processing

Method used

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  • Workpiece clamping and driving device of numerical-control camshaft grinding machine
  • Workpiece clamping and driving device of numerical-control camshaft grinding machine
  • Workpiece clamping and driving device of numerical-control camshaft grinding machine

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Such as figure 1 , figure 2 As shown, the technical solution adopted by the present invention is a workpiece clamping and driving device for a CNC camshaft grinder, which includes a workpiece clamping system, a workpiece driving system and an electrical control system.

[0023] The workpiece clamping system of this device comprises base plate 9, headstock box 4, bearing a14, top 15, guide rail 11, tailstock box 7, bearing b17, tail tip 16, workpiece 6; Headstock box 4 is fixed on the base plate 9, The top 15 is installed in the headstock box 4, the top 4 is supported by a pair of bearings a14, and can rotate in the bearings a14; the guide rail 11 is fixed on the bottom plate 9, and the tailstock box 7 is installed on the guide rail 11, and can slide along the guide rail 11, Realize the fixed adjustment of the workpiece 6; the tailstock box 7 is provided with ...

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Abstract

The invention relates to a workpiece clamping and driving device of a numerical-control camshaft grinding machine. The workpiece clamping and driving device comprises a workpiece clamping system, a workpiece driving system and an electric control system. The workpiece clamping and driving device has the advantages that the device can be mounted on the numerical-control camshaft grinding machine for clamping a workpiece and driving the workpiece to rotate; the workpiece clamping and driving device of the numerical-control camshaft grinding machine can guarantee that two ends of the workpiece synchronously rotate, torsional deformation can be prevented when the workpiece is machined, and accordingly the machining precision can be improved; a heart carrier for the workpiece clamping and driving device of the numerical-control camshaft grinding machine is omitted, accordingly, the workpiece loading and unloading time can be shortened, and the workpiece machining efficiency can be improved; an existing numerical-control camshaft grinding machine can be modified by the aid of the device, or the device can be used for clamping and driving workpieces of novel numerical-control camshaft grinding machines, and accordingly has an excellent application prospect.

Description

technical field [0001] The invention relates to a workpiece clamping and driving device for a numerically controlled camshaft grinder, which belongs to the field of mechanical manufacturing and control. Background technique [0002] Camshafts are widely used in gasoline engines or diesel engines to control the switching of fuel injection pumps or the opening and closing of intake and exhaust valves. The quality of the camshaft directly determines the performance of the engine. The camshaft is usually ground by a CNC camshaft grinder. During grinding, the camshaft is clamped in the top and tail tips, and the top drives the workpiece to rotate. The feed movement of the grinding wheel is linked with the rotation of the workpiece to process the Compliant camshaft. [0003] At present, most CNC camshaft grinders clamp and drive the workpiece by using the top and tail tips to fix the workpiece, and install a chicken heart chuck on the end of the workpiece close to the top to clam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B47/12B24B41/06
CPCB24B41/062B24B47/12
Inventor 范晋伟刘勇军陈东菊苗伟周中源王泽立
Owner 内江金鸿曲轴有限公司
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