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Roller type locating device

A positioning device and a drum-type technology, applied in the field of machining, can solve the problems of workpiece wall damage and scrapping, and achieve the effects of reducing harmful wear, ensuring leveling accuracy, and avoiding positioning deviation.

Active Publication Date: 2016-12-14
湖南静悦创业投资管理合伙企业(有限合伙)
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Problems solved by technology

[0003] The present invention provides a roller-type positioning device that facilitates the clamping and positioning of the workpiece to solve the problem of damage to the wall surface of the workpiece caused by knocking of some large thin-walled parts when positioning on the jaw seat of the chuck in the existing clamping process. The technical problem of scrapping, and further improving the clamping accuracy of the workpiece

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Embodiment Construction

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] refer to figure 1 , a preferred embodiment of the present invention provides a roller-type positioning device for positioning and adjustment of the workpiece when it is clamped. The roller-type positioning device of this embodiment includes: at least three claw seats 10 arranged along the circumferential direction of the workpiece The claw base 10 is provided with a roller assembly 20 for driving the workpiece to rotate when the workpiece is clamped, and a leveling assembly 30 for adjusting the accuracy of the end surface of the workpiece; A positioning surface 11 and a second positioning surface 12 perpendicular to the first positioning surface 11, the first positioning surface 11 is p...

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Abstract

The invention discloses a roller type locating device used for locating and adjustment when a workpiece is clamped. The roller type locating device comprises at least three clamping jaw seats arranged in the peripheral direction of the workpiece, and roller assemblies used for driving the workpiece to rotate when the workpiece is clamped and leveling assemblies used for adjusting the end surface precision of the workpiece are arranged on the clamping jaw seats. According to the roller type locating device, when the workpiece is clamped, the workpiece is driven by the roller assemblies to roll on the chuck clamping jaw seats, so that harmful wear between the workpiece and the locating surfaces of the clamping jaw seats is effectively reduced; besides, the leveling assemblies are used for adjusting the end surface precision of the workpiece and ensuring the leveling precision of the workpiece, and through the cooperation of other clamping jaw seats, realize locating and adjustment when the workpiece is clamped; the roller type locating device is particularly suitable for the radial locating of large thin-walled components and effectively avoids the locating deviation of the large thin-walled components and the damage of wall surfaces, caused by hitting in a locating process; and by the roller type locating device, the whole clamping process is convenient, rapid, accurate and reliable.

Description

technical field [0001] The invention relates to the field of machining, in particular to a roller-type positioning device for machining. Background technique [0002] Chucks have been more and more widely used in the machining industry, and with the continuous improvement of the size and quality of parts to be processed, the difficulty of clamping on the chuck and the adjustment time have also greatly increased. Especially for the processing of batch, heavy workpieces with irregular inner and outer walls, the positioning and clamping process requires constant adjustment and movement of workpieces on the chuck jaws. The existing method is to repeatedly hit the local position of the workpiece with a heavy hammer until the workpiece is aligned. The disadvantage of this method is that the workpiece and the jaws are in surface contact and have sliding friction. As well as the positioning surface of the chuck itself, there are certain frictional damages, especially for some large...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/18B23B31/02
CPCB23B31/02B23Q3/18
Inventor 何奇蔡清汀陆博阳文禹余中华
Owner 湖南静悦创业投资管理合伙企业(有限合伙)
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