Aerostatic chuck self-adaptive to tube diameters of tubes

A gas static pressure, self-adaptive technology, applied in welding equipment, laser welding equipment, metal processing equipment, etc., can solve problems such as pipe extrusion deformation, reduction of processing accuracy, and damage to pipe roundness.

Active Publication Date: 2013-07-24
KUNSHAN THETA MICRO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When it is loosened, springback deformation will occur, destroying the roundness of the pipe and reducing the processing accuracy
In addition, if the pipe with a small diameter is processed, such as less than 5mm, excessive clamping force will cause the pipe to be squeezed and deformed, which will directly cause the pipe to be scrapped

Method used

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  • Aerostatic chuck self-adaptive to tube diameters of tubes
  • Aerostatic chuck self-adaptive to tube diameters of tubes

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Embodiment Construction

[0017] The specific embodiments of the present invention will be described in further detail below in conjunction with the drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

[0018] Combine figure 1 and figure 2 Shown are the schematic structural diagrams and cross-sectional views of a gas static pressure chuck with self-adaptive pipe diameter according to an embodiment of the present invention. It includes: a flexible material 3 for contact with the pipe to be clamped, a sealed cavity 4 for passing high-pressure gas is provided outside the inner surface of the flexible material 3, and an inlet for adjusting the air pressure in the sealed cavity 4 is provided at the entrance of the sealed cavity 4 The air pressure regulator adjusts the clamping pressure of the flexible material 3 to the pipe by adjusting the pressure of the high-pressure gas in the sealed cavity 4.

[0019] The inve...

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PUM

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Abstract

The invention relates to the technical field of laser micro-machining and in particular relates to an aerostatic chuck self-adaptive to tube diameters of tubes. The aerostatic chuck self-adaptive to tube diameters of tubes comprises a flexible material contacted with a to-be-clamped tube, wherein a sealing cavity for inflating high-pressure gas is formed outside the inner surface of the flexible material; a gas pressure adjusting piece for adjusting the gas pressure in the sealing cavity is arranged at the inlet of the sealing cavity; and the clamping press force of the flexible material to the tube is adjusted by adjusting the pressure of the high-pressure gas in the sealing cavity. The aerostatic chuck can be self-adaptive to the tube diameter outline of the tube during a clamping process, so that uniform and precise clamping force is provided in the clamping process, and the pressure of the chuck to the tube is reduced to the greatest extent.

Description

Technical field [0001] The invention relates to the technical field of laser micromachining, in particular to a gas static pressure chuck with self-adaptive pipe diameter. Background technique [0002] During laser micromachining, a clamp is required to clamp the pipe and drive the pipe to rotate at a high speed. In order to ensure reliable clamping, the general clamp will exert a large clamping force on the pipe. When loosened, springback deformation will damage the roundness of the pipe and reduce the processing accuracy. In addition, if the small diameter pipe is processed, such as less than 5mm, the excessive clamping force will cause the pipe to be squeezed and deformed and directly cause the pipe to be scrapped. Summary of the invention [0003] (1) Technical problems to be solved [0004] The technical problem to be solved by the present invention is that in the laser micromachining of thin-walled pipes, a clamp capable of adapting to the pipe diameter profile is required ...

Claims

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Application Information

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IPC IPC(8): B23K26/42B23K26/70
Inventor 魏志凌宁军夏发平马秀云
Owner KUNSHAN THETA MICRO
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