Single-layer double-station four-degree-of-freedom compliant micromanipulator
A double-station, degree-of-freedom technology, applied in the direction of instruments and instrument parts, can solve problems such as limiting the working range, affecting work efficiency, reducing working frequency, etc., to expand the working range, improve work efficiency, and improve the operating range Effect
Active Publication Date: 2021-06-29
NINGBO UNIV
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Problems solved by technology
Most micromanipulators are assembled by a micro-motion platform and a micro-gripper, and there are only 2 to 3 degrees of freedom, and only one micro-gripper is used to complete the work. On the other hand, the micro-manipulator made by assembly Assembly errors will inevitably occur, which will reduce the accuracy of the micromanipulator. It is difficult to achieve the desired effect when operating objects with irregular shapes and cross-scales. Moreover, the assembled micromanipulator has a high quality and a poor structure. Not compact enough, which reduces the working frequency and affects work efficiency
There is no amplification mechanism in the existing compliant micro-manipulator or the displacement magnification is small, resulting in a small working stroke and limiting the working range
Method used
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the embodiments described below are some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0021] see figure 1 and figure 2 As shown, a single-layer double-station four-degree-of-freedom compliant micromanipulator of this embodiment includes a base 28, a micro-movement platform W and a micro-gripper H; the micro-motion platform W includes a working platform 29 and a working platform 29 fixed mounts 22 made in one piece;
[0022] Two micro-grippers H integrally made with the working platform 29 are formed on the working platform 29, and the fixed...
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The single-layer double-station four-degree-of-freedom compliant micromanipulator includes a base, a micro-motion platform and a micro-gripper; the micro-motion platform includes a working platform and a fixed frame integrated with the working platform; the working platform is made of Two micro-grippers made integrally with the working platform, the fixed frame is fixed on the base; the micro-motion platform also includes two amplifying mechanisms, a flexible parallelogram mechanism and a piezoelectric driver; each of the micro-clamps The holder includes a piezoelectric driver, a chuck, a flexible parallelogram mechanism 2 and an amplifying mechanism 2; the amplifying mechanism 2 is driven by a piezoelectric driver, the amplifying mechanism 2 is flexibly connected to the flexible parallelogram mechanism 2, and the flexible parallelogram mechanism 2 is connected to the chuck . The invention has the advantages of compact structure, no assembly error and large working stroke range.
Description
technical field [0001] The invention relates to a micromanipulator, in particular to a single-layer double-station four-degree-of-freedom compliant micromanipulator. Background technique [0002] The micromanipulator consists of two parts: a micro gripper and a micro-motion platform. It is a key component connecting the macro system and the micro-operating system, and plays a vital role in the field of micro-manipulation and micro-assembly technology. Micromanipulators can be used to achieve micromanipulation tasks such as clamping, holding and releasing. Therefore, it is widely used in technical fields that require micro / nano positioning, such as precision machining and testing, optical fiber docking, micro parts assembly, and cell micromanipulation. . For example, in precision and ultra-precision machining, the micro-feed of the tool or the compensation of machining errors can be realized; in precision measurement, the micro-adjustment of the sensor can be realized; in th...
Claims
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IPC IPC(8): G12B5/00
CPCG12B5/00
Inventor 宋帅官杨依领李存尧吴高华娄军强李国平崔玉国
Owner NINGBO UNIV