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Worm and gear clearance-free fit device

A technology of cooperating devices and worm gears, which is applied in metal processing and other directions, can solve problems such as high production requirements and costs, inability to achieve miniaturization, and small scope of application, and achieve precise rotation angles, low cost of modification and manufacturing, and applicable wide range of effects

Pending Publication Date: 2018-10-23
广东遂联智能装备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution needs to arrange more complex pneumatic pipelines inside the workbench. Its structure is complicated and maintenance is inconvenient. Generally, it can only be used in large equipment, and it cannot be miniaturized, nor is it suitable for multiple rows of worm gears. Workbench, its scope of application is small, and the cost of modification and manufacture is high
At the same time, the use of pneumatic pipelines also needs to ensure the airtightness of the pipelines, and the production requirements and costs are relatively high.

Method used

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  • Worm and gear clearance-free fit device
  • Worm and gear clearance-free fit device
  • Worm and gear clearance-free fit device

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Experimental program
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Embodiment

[0027] The specific embodiment of the present invention is as Figure 1-3 As shown, a worm gear and worm without clearance fit device includes a workbench main body 1, a driving device 2 is provided on one side of the workbench main body 1, and the driving device 2 is drivingly connected with a drive shaft 3 arranged on the workbench main body 1, through The driving device 2 drives the drive shaft 3 to rotate axially.

[0028] Moreover, in the present invention, the workbench main body 1 is further provided with a driven shaft 5 drivingly connected to the driving shaft 3 through the second transmission mechanism 4 , and the driving shaft 3 and the driven shaft 5 are synchronized and rotate in opposite directions.

[0029] In addition, a worm gear 6 is provided between the driving shaft 3 and the driven shaft 5 in drive connection with the two. In order to drive the worm wheel 6 , the driving shaft 3 and the driven shaft 5 are respectively sleeved with a main worm 31 and a dri...

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PUM

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Abstract

The invention discloses a worm and gear clearance-free fit device which comprises a workbench body. A driving device is arranged on one side of the workbench body, and the driving device is in drivingconnection of a driving shaft. A driven shaft is further arranged on the workbench body, and a worm gear is arranged between the driving shaft and the driven shaft. The driving shaft and the driven shaft are sleeved with a driving worm and a driven worm correspondingly, and an elastic part is arranged on one side of the driven worm. The worm and gear clearance-free fit device is ingenious in structure, does not need auxiliary power such as compressed air and hydraulic pressure, and is good in applicability. The worm gear and the worm are in close fit through the elastic part, and the rotatingangle of the worm gear is more precise.

Description

technical field [0001] The invention relates to the technical field of machine tool attachment structures, in particular to a worm wheel and worm gear without clearance fit. Background technique [0002] The worm of the existing CNC rotary table is a double-lead worm. No matter how to adjust the clearance of the worm gear pair in this structure, it is inevitable to leave a certain gap to ensure the normal operation of the worm gear pair. Changes, jitter and motion errors occur. When processing parts in a static state, hydraulic or pneumatic brakes are required. There is a gap that cannot avoid indexing errors, and there are processing errors in the worm gear itself, as well as manufacturing errors in the bearings, which affect the motion accuracy. Unlike graduation accuracy, this error cannot be eliminated. [0003] At present, in order to solve this problem, a piston is generally arranged on one side of the worm, and the piston is powered by hydraulic pressure or air press...

Claims

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Application Information

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IPC IPC(8): B23Q5/56
CPCB23Q5/56
Inventor 杨春丽吕辉周昱
Owner 广东遂联智能装备制造有限公司