Three-degree-of-freedom flexible parallel motion platform applied to optoelectronic packaging
A technology of motion platform and degree of freedom, which is applied in the direction of circuits, electrical components, manipulators, etc., can solve the problems of small motion stroke and low motion precision, and achieve the effect of reasonable layout, small structure volume and compact overall structure
Active Publication Date: 2018-09-28
CENT SOUTH UNIV
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[0005] The purpose of the present invention is to provide a three-degree-of-freedom flexible parallel motion platform, which solves the technical problems of low motion precision and small motion stroke of the motion platform in the prior art
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[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.
[0039] figure 1 It is a schematic structural diagram of a three-degree-of-freedom flexible parallel motion platform according to an embodiment of the present invention, as shown in figure 1 As shown, the embodiment of the present invention provides a three-degree-of-freedom flexible parallel motion platform, including:
[0040] Moving pla...
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The invention provides a three-degree-of-freedom flexible parallel motion platform which comprises a mobile platform, a fixed platform and three groups of same drive mechanisms. Each group of drive mechanism is fixedly connected onto the fixed platform; a connection line among the centers of the three groups of drive mechanisms is in a regular triangle shape; each group of drive mechanism comprises a rigid-flexible motion brank chain and a drive part; each rigid-flexible motion brank chain comprise a flexible spherical pair, a rigid connecting rod and a flexible revolute pair; a first end of each flexible spherical pair is fixedly connected with the mobile platform; a second end of each flexible spherical pair is fixedly connected with a first end of each rigid connecting rod; the first end of each flexible spherical pair is fixedly connected with each drive part; the second end of each flexible spherical pair is fixedly connected with a second end of each rigid connecting rod; and themobile platform rotates round a horizontal surface and / or move along the vertical direction. The three-degree-of-freedom flexible parallel motion platform provided by the invention is compact in structure, reasonable in layout, easy to assemble, and capable of realizing large-stroke high-accuracy posture adjustment.
Description
technical field [0001] The invention relates to the technical field of optoelectronic packaging, in particular to a three-degree-of-freedom flexible parallel motion platform applied to optoelectronic packaging. Background technique [0002] Integrated optoelectronic devices are the core devices supporting the rapid development of optical fiber communication in the new century. Optoelectronic packaging is a process of aligning and coupling input and output array optical fibers and optical chips through a multi-degree-of-freedom motion platform under the guidance of visual equipment. The motion platform is a platform for positioning chips and optical fibers in the optoelectronic packaging system, and plays an extremely important role in optoelectronic packaging. In the process of optoelectronic packaging, the motion platform needs to realize the three-degree-of-freedom large-stroke motion range of two rotations and one movement (2R1T), that is, two rotational degrees of freed...
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IPC IPC(8): B25J9/00H01L21/50
CPCB25J9/00B25J9/0009B25J9/003H01L21/50
Inventor 周海波侯富龙段吉安孔志平张威
Owner CENT SOUTH UNIV