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Multi-point-based large-curvature panel ultra-precision machining flexible clamping system

A technology of ultra-precision machining and flexible clamping, which is applied in the direction of metal processing equipment, metal processing machinery parts, clamping, etc., and can solve problems such as inaccurate positioning and difficult clamping

Inactive Publication Date: 2019-08-20
BEIHANG UNIV
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  • Application Information

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Problems solved by technology

[0005] Therefore, in order to solve the problems of difficult clamping and inaccurate positioning during the processing of large-curvature panels, a flexible clamping tool that can be used for ultra-precision machining and positioning of high-precision panels with large-curvature sandwich structures is invented. Accurate positioning and stable constraints of panels during precision machining, and minimize panel deformation caused by machining forces

Method used

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  • Multi-point-based large-curvature panel ultra-precision machining flexible clamping system
  • Multi-point-based large-curvature panel ultra-precision machining flexible clamping system
  • Multi-point-based large-curvature panel ultra-precision machining flexible clamping system

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Embodiment Construction

[0033] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0034] The flexible clamping system for ultra-precise machining and positioning of large-curvature sandwich structure high-precision panels involved in the present invention mainly includes large-curvature reflective panels A, base B, height-adjustable nail posts C, universal vacuum suction cups D, and transition connectors E, such as figure 1 Shown is a schematic diagram of the structure of the flexible clamping tool installed with the reflective panel of the sandwich structure. The specific structure of each part is as follows:

[0035] In order to improve the surface accuracy of high-precision reflective panels with large-curvature sandwich structures, it is necessary to perform further ultra-precision machining on the high-precision panels after vacuum negative pressure forming. The premise of ultra-precision machining is to fully position...

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Abstract

The invention discloses a multi-point-based large-curvature panel ultra-precision machining flexible clamping system. The system comprises a base, a height-adjustable nail column, a universal vacuum sucker and a transition connecting piece;the base takes stainless steel discrete spike strips with the same cross section and different lengths as a foundation, and the stainless steel discrete spike strips are reasonably combined and mechanical connected; the universal vacuum sucker can rotate in any direction within a 45-degree angle range; the bottom end of the height-adjustable nail column is provided with external threads so as to be installed in a nail hole of the base; and the transition connecting piece is composed of two parts, one part of the transition connecting piece is a sucker threaded sleeve, and the other part of the transition connecting piece is a nail column hole sleeve, and a hole which can be in clearance fit with the height-adjustable nail column is reserved in the center of the nail column hole sleeve. According to the flexible clamping system, concave discrete nail molds with different curvatures can be obtained by adjusting the height of the height-adjustable nail column and the vacuum sucker aiming at parts with different areas and panels with different curvatures, so that full positioning, stability constraint, micro deformation and flexible clamping of the parts with curved surfaces are realized.

Description

technical field [0001] The invention relates to a flexible clamping system for ultra-precision processing of large curvature panels based on multi-points, in particular to a flexible clamping system for ultra-precision processing of high-precision panels with large-curvature sandwich structures based on multiple points, which adopts several discrete height-adjustable The nail column and vacuum adsorption system realize the precise positioning and stable restraint of the ultra-precision machining of the large-curvature sandwich structure panel. It belongs to the technical field of mechanical engineering. Background technique [0002] The frequency of terahertz (THz) waves is higher than that of microwaves and lower than that of infrared rays, and its energy is between electrons and photons. It has the advantages of high resolution, small scattering, good directionality, and high transmission rate. It is widely used in radar detection. and communication fields. In order to b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/08
CPCB23Q3/08B23Q3/088
Inventor 李东升冯丽王明明
Owner BEIHANG UNIV
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