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Turnplate for maintaining screw rod

A technology of turntable and screw rod, which is applied in the direction of engine lubrication, engine components, lubricating parts, etc. It can solve the problems of labor-intensive and time-consuming use and the inability to fix the motor shaft, and achieve the effect of enhancing adhesion and good fixation

Inactive Publication Date: 2015-07-22
PEKING UNIV FOUNDER GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The invention provides a turntable for screw maintenance, which is used to solve the problem that the existing turntable for screw maintenance cannot be well fixed with the motor shaft, and it is laborious and time-consuming during use

Method used

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  • Turnplate for maintaining screw rod
  • Turnplate for maintaining screw rod
  • Turnplate for maintaining screw rod

Examples

Experimental program
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Effect test

Embodiment Construction

[0049] The turntable for screw mandrel maintenance proposed by the present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0050] The embodiment of the present invention provides a turntable for screw rod maintenance, such as Figure 4 and Figure 5 shown, including:

[0051] A disc body 1, the center of the disc body 1 is provided with a locking hole 2 capable of engaging with a motor shaft that drives the screw to move;

[0052] The handle device 3 is set at a distance from the edge of the disc body 1, is vertically fixedly connected with the disc body 1, and drives the disc body 1 to rotate when it rotates counterclockwise / clockwise.

[0053] The existing method of fixing the motor shaft and the turntable is to set a screw hole on the turntable, and after the turntable is inserted into the motor shaft through the center hole, the long hexagon socket head cap screw is screwed into the screw hole, and the end o...

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PUM

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Abstract

The invention discloses a turnplate for maintaining a screw rod. The turnplate comprises a plate body and a handle device, wherein a position locking hole which can be clamped to a motor shaft driving the screw rod to move is formed in the center of the plate body, and the handle device is away from the edge of the plate body by a set distance, is perpendicularly and fixedly connected with the plate body, and drives the plate body to rotate when rotating anticlockwise / clockwise. The turnplate for maintaining the screw rod solves the problems that an existing turnplate for maintaining a screw rod cannot be fixed to the motor shaft well, and labor and time are wasted in the using process, when working staff use the turnplate, labor and time are saved through the handle device, and the turnplate and the motor shaft can be fixed more conveniently and better through the position locking hole.

Description

technical field [0001] The invention relates to the technical field of semiconductor chip manufacturing equipment, in particular to a turntable used for screw rod maintenance. Background technique [0002] In the semiconductor chip manufacturing process, the alignment of the exposure machine is a very important part of the lithography technology. Before exposure, the position of the silicon wafer must be determined as accurately as possible by the automatic alignment system. In order to ensure that each X-Y direction The accuracy and stability of the workbench and the cleanliness of the screw are very important. [0003] Due to the frequent back and forth movement of the screw rod, under the action of frictional resistance, the lubricating grease attached to the screw rod will be blackened, and these blackened lubricating grease will combine with particles in the air to produce carbides, resulting in Unbalanced screw resistance, difficult positioning of the workbench in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16N31/02
Inventor 殷瑞腾罗明辉黄绍业杨方
Owner PEKING UNIV FOUNDER GRP CO LTD