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Gapless numerical control driving mechanism of rotary table

A driving mechanism and numerical control turntable technology, applied in metal processing and other directions, can solve the problems of reduced transmission accuracy and transmission efficiency, and achieve the effect of improving the rotation accuracy and transmission efficiency.

Inactive Publication Date: 2012-07-18
无锡天野数控装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the gap left, the transmission accuracy is greatly reduced, and the frictional energy consumption also reduces the transmission efficiency

Method used

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  • Gapless numerical control driving mechanism of rotary table
  • Gapless numerical control driving mechanism of rotary table

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Embodiment Construction

[0011] Such as figure 1 As shown, the present invention provides a gapless numerical control turntable drive mechanism. The drive mechanism includes a worm gear 1 and a worm 2 that cooperate with each other. The worm is a screw-shaped input shaft structure, and the turbine is a needle roller bearing. 3 It is a radial embedded turret structure, the turbine is in contact with the worm through a needle roller bearing, and the gapless worm and worm can be contacted with pre-compression. 4, there is no gap between the worm and worm.

[0012] The invention is composed of a turret with a screw-shaped input shaft and a needle roller bearing radially embedded. The difference from a common turbine is that the contact part with the worm is completed by a needle roller bearing, and the needle roller bearing is subjected to friction Later, it will rotate to eliminate friction and will not cause lockup. With this feature, it is not necessary to leave a gap between the traditional worm gear tr...

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PUM

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Abstract

The invention discloses a gapless numerical control driving mechanism of a rotary table, which comprises a worm gear and a worm. The worm gear and the worm match with each other, the worm is a screw-shaped input shaft structure, the worm gear is a rotating tower structure, roller pin driven bearings are radially embedded into the rotating tower structure, and the worm gear contacts with the worm via the roller pin driven bearings in a gapless manner. By the aid of the gapless numerical control driving mechanism, rotation precision and transmission efficiency of the rotary table are improved.

Description

[0001] Technical field [0002] The invention relates to a gapless numerical control turntable driving mechanism. Background technique [0003] The drive mechanism of the CNC turntable is realized by a transmission mechanism such as a worm and worm to reduce the speed of the motor and change the direction of rotation. Due to friction, temperature rise, and machining accuracy, a little gap must be left between the worm and the worm to ensure the normal transmission. Ensure that there is no lock phenomenon during transmission. [0004] Because of the gap left, the transmission accuracy is greatly reduced, and the frictional energy consumption also reduces the transmission efficiency. Summary of the invention [0005] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a backlash-free numerical control turntable driving mechanism, which improves the rotation accuracy and transmission efficiency of the turntable. [0006] To...

Claims

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Application Information

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IPC IPC(8): B23Q5/00
Inventor 汪洋周正勇
Owner 无锡天野数控装备有限公司
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