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Five-branched-chain five-degree-of-freedom parallel machine tool mechanism

A degree of freedom and parallel technology, applied in the field of machine tools, can solve problems such as waste, discounts on the advantages of parallel mechanisms, etc., and achieve the effect of less branch chains, small inertia and good rigidity

Inactive Publication Date: 2013-12-25
JIANGXI MECHANICAL SCI RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the application of the six-degree-of-freedom parallel mechanism on the machine tool will have an extra degree of freedom, which is obviously an unnecessary waste; while the three-degree-of-freedom parallel mechanism must rely on the other two degrees of freedom to complete complex tasks. movement, which will greatly reduce the advantages of the parallel mechanism

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  • Five-branched-chain five-degree-of-freedom parallel machine tool mechanism
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  • Five-branched-chain five-degree-of-freedom parallel machine tool mechanism

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Embodiment Construction

[0018] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] control figure 1 , a five-chain five-degree-of-freedom parallel machine tool mechanism, comprising a frame 1, a first active branch chain, a second active branch chain, a third active branch chain, a fourth active branch chain, a fifth active constraint branch chain and a dynamic platform27.

[0020] The first active branch chain is composed of the first active slider 2 and the first connecting rod 17, the first active slider 2 slides on the frame 1 through the first moving pair 7, and the other end of the first active slider 2 passes through The first Hookee hinge 12 drives the first connecting rod 17 to move, and the other end of the first connecting rod 17 drives the moving platform 27 to move through the first spherical hinge 22 .

[0021] The second active branch chain is composed of a second active slider 3 and ...

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Abstract

A five-branched-chain five-degree-of-freedom parallel machine tool mechanism comprises a rack, a first driving branched chain, a second driving branched chain, a third driving branched chain, a fourth driving branched chain, a fifth driving constraint branched chain and a movable platform. The first driving branched chain, the second driving branched chain, the third driving branched chain, the fourth driving branched chain, the fifth driving constraint branched chain jointly drive the movable platform to perform special five-degree-of-freedom movement. The five-branched-chain five-degree-of-freedom parallel machine tool mechanism is simple in structure, lightweight of moving components, good in rigidity, small in inertial property and good in dynamics performance.

Description

technical field [0001] The invention relates to the field of machine tools, in particular to a five-branch five-degree-of-freedom parallel machine tool mechanism. Background technique [0002] Compared with the series mechanism, the parallel mechanism has the advantages of high precision, compact structure, high rigidity, and strong bearing capacity. Therefore, since the 1990s, many scholars at home and abroad have carried out the research and development of parallel machine tools. Most of them focus on 3 degrees of freedom and 6 degrees of freedom, and only 5 degrees of freedom are enough to process complex mechanical parts. Therefore, the application of the six-degree-of-freedom parallel mechanism on the machine tool will have an extra degree of freedom, which is obviously an unnecessary waste; while the three-degree-of-freedom parallel mechanism must rely on the other two degrees of freedom to complete complex tasks. Movement, which will greatly reduce the advantages o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/00B23Q1/64
Inventor 王红州郑小民邹晓晖
Owner JIANGXI MECHANICAL SCI RES INST