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Interlocking structure and interlocking method based on air pressure control

An air pressure control and interlocking technology, applied in the direction of air cushion bearings, bearings, shafts and bearings, etc., can solve the problems of difficulty in realization, and achieve the effects of convenient control, reliable connection, and simple and light overall structure

Pending Publication Date: 2018-11-02
INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the interlocking of two moving parts, if the above methods are adopted, power sources such as oil, gas and electricity need to be transmitted to the moving parts, which is difficult to realize and has certain reliability problems

Method used

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  • Interlocking structure and interlocking method based on air pressure control
  • Interlocking structure and interlocking method based on air pressure control
  • Interlocking structure and interlocking method based on air pressure control

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as Figure 1-2 As shown, an interlocking structure based on air pressure control of the present invention includes a base 1, an outer mover 2, a workbench 3, an inner mover 4 and a friction block 5, and the base 1 moves a guiding platform 6, so The outer mover 2 is cooperatingly arranged on the outside of the motion guide table 6, the inner mover 4 is inserted in the motion guide table, the workbench 3 is an annular concave structure, the workbench 3 is fixedly connected above the outer mover 2, and the workbench 3 Cover and buckle the inner mover 4 on the outer mover 2, and the friction block 5 is fixedly arranged on the inner mover 4; an air bearing surface 7 is provided on the entire contact surface between the motion guide table 6 and the inner mover 4 , the air bearing surface 7 is a relatively airtight space, the air bearing surface 7 is connected with a positive pressure air supply channel 8, and a vacuum chamber 9 is provided between the top surface of the ...

Embodiment 2

[0039] Such as Figure 1-2 As shown, the present invention is an interlocking structure based on air pressure control. On the basis of Embodiment 1, the positive pressure air supply channel 8 is arranged in the inner rotor 4 and communicates with the air bearing surface 7, and the negative pressure air supply channel The channel 10 is also arranged in the inner mover 4 and communicates with the vacuum chamber 9 , and the vacuum chamber 9 is arranged on the inner mover 4 corresponding to the top surface of the motion guide table 6 . The upper friction block 5 of the inner mover 4 and the outer mover 2 are connected through the lower friction surface 12 to realize interlocking cooperation.

[0040]An interlocking structure based on air pressure control of the present invention realizes the conversion of two moving parts into contact and non-contact states by using the opening and closing of positive and negative pressures, thereby realizing the interlocking and unlocking of the ...

Embodiment 3

[0042] Such as Figure 3-4 As shown, an interlocking structure based on air pressure control of the present invention includes a base 1, an outer mover 2, a workbench 3, an inner mover 4 and a friction block 5, and the base 1 moves a guiding platform 6, so The outer mover 2 is cooperatingly arranged on the outside of the motion guide table 6, the inner mover 4 is a convex structure, and the inner mover 4 is inserted in the motion guide table, the workbench 3 is a concave structure, and the workbench 3 is fixedly connected to the Above the outer mover 2, the friction block 5 is fixedly arranged on the inner mover 4; an air floating surface 7 is provided between the motion guide table 6 and the inner mover 4, and the air floating surface 7 is connected with a positive pressure air supply channel 8, A vacuum chamber 9 is provided between the top surface of the motion guide table 6 and the inner mover 4 , and the vacuum chamber 9 is communicated with a negative pressure gas supply...

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Abstract

The invention discloses an interlocking structure and an interlocking method based on air pressure control. The interlocking structure comprises a base, an inner mover and a friction block. A motion guide table is arranged on the base, an outer mover is arranged outside the motion guide table in a coordinating mode, the inner mover is inserted in the motion guide table, a workbench is fixedly connected above the outer mover, and the friction block is fixedly arranged on the inner mover; an air floating surface is arranged between the top surface of the motion guide table and the inner mover, the air floating surface is communicated with a positive pressure air supply passage, a vacuum chamber is correspondingly arranged at the position of the air floating surface, and the vacuum chamber iscommunicated with a negative pressure air supply passage. The opening and closing of the positive pressure and the negative pressure realize transformation of contact and non-contact states of two moving parts, thereby realizing the interlocking and unlocking between the moving parts. The structure does not have an added external actuator, completely utilizes an air-floating support form of the inner mover, only increases the negative pressure adjustment, and does not change the original structure. The interlocking structure provides a good basic condition for high-precision motion positioning and has high practical value.

Description

technical field [0001] The invention relates to the technical fields of ultra-precision motion and ultra-precision measurement, in particular to an interlocking structure and interlocking method based on air pressure control. Background technique [0002] In the field of ultra-precision motion, there is often a "macro-micro combination" motion mode, which is driven by a large motor for a large stroke, and then ultra-precise fine-tuning is performed by a precision motor. The above motion process involves switching between two sets of supports and driving modes, and requires a structure that can realize precise interlocking. [0003] The interlocking structure is to realize that the two sets of moving parts change from a non-contact state to a contact state, and various forms such as oil, gas, and electricity can be used. Such as oil cylinders, cylinders and electromagnets, etc., through external control, change the distance of the contact surface, so as to realize the change...

Claims

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Application Information

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IPC IPC(8): F16C32/06
CPCF16C32/0607F16C32/0614
Inventor 李梦阳胡秋黄明夏仰球唐强汪俊文张日升米良
Owner INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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