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One-dimensional flexible linear guiding mechanism for slanting spring combination

A reed combination and reed technology, applied in the field of one-dimensional flexible linear guide mechanism, can solve the problems of low motion accuracy, small stroke, and limited application range, etc., to achieve small size, reduced internal stress, and enhanced bearing capacity Effect

Inactive Publication Date: 2009-08-12
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing flexible linear guide mechanism has a small stroke (less than 5mm) and low motion accuracy, which greatly limits the application range of this type of mechanism

Method used

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  • One-dimensional flexible linear guiding mechanism for slanting spring combination
  • One-dimensional flexible linear guiding mechanism for slanting spring combination
  • One-dimensional flexible linear guiding mechanism for slanting spring combination

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] see figure 1 , Figure 1A , Figure 1B As shown, the present invention is a one-dimensional flexible linear guide mechanism composed of oblique reeds. The guide mechanism is composed of a front module 1 and a rear module 2; the front module 1 and the rear module 2 are respectively provided with There are multiple upper reeds and lower reeds, which are set above the middle connection block and are called upper reeds, and the reeds set below the middle connection are called lower reeds. The upper reed and the upper plate surface of the middle connection block form The included angle is called the upper included angle β=30°~40°, and the upper included angle has β 1 = β 2 = β 3 = β 4 = β 5 = β 6 = β 7 = β 8 =30°~40°; the angle formed by the lower reed and the lower surface of the middle connecting block is called the lower angle α=30°~40°, and th...

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Abstract

The invention discloses a one-dimensional flexible straight line guidance mechanism assembled by sloping reeds, which consists of a front part module and a rear part module, wherein the structure of the rear part module is formed by vertically rotating the front part module for 180 degrees, both the front part module and the rear part module are integrally formed pieces and are produced by cutting according to a linear cutting technique on a flat plate, and the front part module and the rear part module are provided with eight reeds, four middle connecting blocks, three connecting blocks and one connecting block respectively. The guidance mechanism adopts the design that a plurality of the reeds are crossed in space but are not fixed at cross-points so that the internal stress of a hinge is reduced and the service life of the same is improved. The reeds in each motion unit on the front part module and the rear part module are designed into complementary forms of 'Z' and inverted 'Z', so that the guidance mechanism has a compact structure and small volume.

Description

technical field [0001] The invention relates to a flexible hinge. More specifically, it refers to a one-dimensional flexible linear guide mechanism with large deformation and high precision oblique reed combination. Background technique [0002] Flexible hinge refers to a structural form that uses elastic deformation of materials to transmit force and energy between adjacent rigid bodies under the action of external loads, thereby generating relative translation or rotation. Compared with traditional rigid hinges, flexible hinges have unique advantages in terms of cost and performance: (1) no lubrication is required, pollution is avoided, and maintenance costs are reduced; (2) no gap, no friction improves repeatability; (3) The compactness reduces the structural weight; (4) It can work in harsh environments such as vacuum and low temperature. It can be applied to precision and ultra-precision transmission and positioning such as micro-motion workbench and optical auto-focu...

Claims

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Application Information

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IPC IPC(8): F16C11/04G12B5/00
Inventor 毕树生赵宏哲乔涛
Owner BEIHANG UNIV
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