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Shifting fork type precise flexible connection driving mechanism

A driving mechanism and flexible connection technology, which is applied in the direction of driving devices, metal processing machinery parts, metal processing equipment, etc., can solve the problems affecting the rotation accuracy of the main shaft, and achieve the effect of simple structure, convenient disassembly and assembly, and low rotation accuracy requirements

Inactive Publication Date: 2015-03-04
INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem that the motor drive affects the rotation accuracy of the main shaft in the prior art, the present invention provides a fork-type precision flexible connection drive mechanism

Method used

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  • Shifting fork type precise flexible connection driving mechanism
  • Shifting fork type precise flexible connection driving mechanism
  • Shifting fork type precise flexible connection driving mechanism

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Embodiment 1

[0024] figure 1 It is a structural schematic diagram of the fork-type precision flexible connection driving mechanism of the present invention, figure 2 for figure 1 The partial enlargement in the image 3 for figure 1 A-A sectional view in, Figure 4 It is a structural schematic diagram of the four soft claws in the present invention.

[0025] exist Figure 1~Figure 4 Among them, the fork-type precision flexible connection drive mechanism of the present invention includes an air-floating main shaft 1, an adjustment backing ring 2, a motor transition plate 3, a main shaft end cover 5, a motor mounting seat 10, a motor 11, an elastic coupling 12, a side Guard plate, bearing end cover 15, dustproof cover plate, hollow nut, guide rod, spring, rotating mandrel, soft finger; wherein, said rotating mandrel includes shift fork disc 4, shift fork disc lock nut 6, Bearing backing ring 7, bearing mandrel 8, bearing lock nut 9, angular contact ball bearing 13; the soft finger incl...

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Abstract

The invention provides a shifting fork type precise flexible connection driving mechanism which is connected through an elastic coupler and soft pusher dogs in a two-stage flexible mode. Influence of a motor on rotation precision of a main shaft is weakened by the elastic coupler. Influence of a shifting fork plate on rotation precision of an air floating main shaft is removed by the elastic soft pusher dogs. A pair of angular contact ball bearings is installed between the motor and the air floating main shaft and used for bearing bending moment to the motor by force generated due to disalignment of the motor and the air floating main shaft. The four soft pusher dogs are divided into two groups. Hollow nuts adjust compression amount of springs so as to adjust driving force of every two symmetrical soft pusher dogs, and simultaneous driving of two soft pusher dogs in each group is achieved. According to the shifting fork type precise flexible connection driving mechanism which is arranged between the air floating main shaft and the motor, requirements on rotation precision of the motor are low, rotation precision of the air floating main shaft after driving of the motor is greatly improved, and the shifting fork type precise flexible connection driving mechanism is simple in structure and convenient to dismounting.

Description

technical field [0001] The invention belongs to the technical field of driving mechanisms, and in particular relates to a fork type precision flexible connection driving mechanism. The present invention can be used for the connection drive between the air-floating main shaft and the motor, can reduce the precision requirement for the driving motor, and improve the rotation accuracy of the air-floating main shaft. Background technique [0002] Since the 1960s, with the development of emerging science and technology such as atomic energy, aerospace technology, microelectronics, information technology and bioengineering, the processing precision has become higher and higher. The high index of processing accuracy has formed higher and higher requirements for the accuracy of processing machines and measuring instruments, which in turn has promoted the development of high-precision processing equipment. As one of the key units of ultra-precision machining, the aerostatic bearing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q5/10B23B19/02
Inventor 王宝瑞吉方夏欢赵午云陈东生张连新阳红刘龙斌易忠全蓝河
Owner INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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