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Multipoint profiling rigid clamp and method for processing thin-wall workpiece by using same

A fixture and multi-point technology, used in metal processing mechanical parts, metal processing equipment, clamping and other directions, can solve problems such as vibration and insufficient rigidity, and achieve the purpose of reducing vibration, improving surface accuracy and surface roughness, and improving rigidity. Effect

Inactive Publication Date: 2011-09-14
NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
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Problems solved by technology

[0005] In order to solve the problems of insufficient rigidity and vibration during the processing of thin-walled workpieces and improve the processing accuracy and surface quality, the invention provides a multi-point profiling rigid fixture and a method for processing thin-walled workpieces using the fixture

Method used

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  • Multipoint profiling rigid clamp and method for processing thin-wall workpiece by using same
  • Multipoint profiling rigid clamp and method for processing thin-wall workpiece by using same
  • Multipoint profiling rigid clamp and method for processing thin-wall workpiece by using same

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Embodiment Construction

[0019] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with illustrations and specific embodiments.

[0020] Such as figure 1 As shown, the multi-point profiling rigid fixture proposed by the present invention includes a fixture body 100. The fixture body 100 is provided with a positioning surface 101 for positioning the workpiece to be processed. The positioning surface 101 is provided with a vacuum chuck 110. The fixture body 100 There is a vacuum channel 120 inside, one end of the vacuum channel 120 is connected to the vacuum chuck 110, and the other end is connected to the vacuum valve island arranged outside the fixture body 100, the vacuum valve island is connected to the vacuum system, the vacuum system is connected to the control system, the vacuum channel 120 It is also connected to the control system through a vacuum s...

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Abstract

The invention discloses a multipoint profiling rigid clamp, comprising a clamp body. The clamp body is provided with a positioning surface for positioning a processed workpiece; the positioning surface is provided with a vacuum sucker; the clamp body is internally provided with a vacuum hole channel; one end of the vacuum hole channel is connected with the vacuum sucker, and the other end of the vacuum hole channel is connected with a vacuum valve island arranged at the outer part of the clamp body; the vacuum valve island is connected with a vacuum system connected with a control system; andthe vacuum hole channel is also connected with the control system by a vacuum sensor. A method for processing a thin-wall workpiece by using the multipoint profiling rigid clamp comprises the steps of: modeling, analyzing, determining and optimizing key positioning points, arranging the vacuum sucker, processing the positioning surface of the clamping body and finally carrying out processing on the thin-wall workpiece. The multipoint profiling rigid clamp is used for a high-speed milling finish processing stage of the complex profile of the thin-wall workpiece, the positioning surface of the clamp is consistent to the surface type of the processed workpiece, the uniform distribution of a clamping force is guaranteed and the clamping and the deformation of the thin-wall workpiece are avoided.

Description

technical field [0001] The invention relates to the precision cutting processing technology of composite material thin-walled parts, in particular to a multi-point profiling rigid fixture and a method for using the fixture to process thin-walled workpieces under high-speed milling conditions. Background technique [0002] Advanced composite materials (ACM) are widely used in aviation, aerospace, automobile, medicine and other fields due to their high specific strength, high specific modulus and low thermal expansion coefficient. At the same time, the use of two-dimensional weaving, three-dimensional overall weaving, local reinforcement and filling can effectively ensure the reliable transmission of loads and the smooth transition of rigidity, so that materials and structures can be fully utilized. Therefore, composite materials have become the fourth largest aeronautical structural materials that have risen rapidly after aluminum, steel, and titanium. Ceramic matrix compo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/06
Inventor 王义强华顺明王晓军郑堤王龙山楼应侯
Owner NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
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