Non extensible guide precision displacement platform

A precision displacement, no guide rail technology, applied to the parts of the instrument, instruments, etc., can solve the problems of small friction of the rolling guide rail, poor displacement straightness, difficult assembly and adjustment, etc., to achieve simple structural parts, low manufacturing cost, The effect of high practical value

Inactive Publication Date: 2008-03-12
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The main problems of this type of displacement platform are: for sliding guide rail platforms, the friction force of the two sliding guide rails is large, and the displacement straightness is generally poor, and it is mostly used in occasions where the straightness of movement is low; for rolling guide rail platforms, the friction of rolling guide rails The force is small, and it is multi-purpose and requires high moving straightness, but the manufacturing cost is high and the installation and adjustment are also difficult

Method used

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  • Non extensible guide precision displacement platform
  • Non extensible guide precision displacement platform

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Embodiment Construction

[0027] The present invention is implemented by the structure shown in Fig. 3 and Fig. 4, wherein the material of the first deformed plate 18 adopts 65Mn, and quantity is two, and two deformed plates are equal in length, and the movable table top 19 adopts 45Mn material. # Steel; the second deformed plate 21, the material adopts 65Mn, the quantity is two, and the two deformed plates are equal in length; the upper bushing 22, the material adopts H62, and the inner hole cylinder surface will be ground; the proportional push rod 23, the material adopts 40Cr, two Spherical surfaces are used at the end and in the middle, and the three spherical surfaces are required to be equidistant; the base is 24, and the material is 45 # Steel; drive block 25, material 45 # Steel requires high hardness, and the right side profile and smoothness need to be ground; the drive differential head is purchased, and the model is OA105; the pressure plate is 27, and the material is 45 # Steel; the mater...

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Abstract

A precise mobile platform without guide is provided, which belongs to the technical field of mechanical equipment. The technical matters required to be solved is to provide a precise mobile platform without guide. The technical solution to solve the problem are composed of a movable table, a pullback spring, a driving mechanism, a base, a deformed plate, an upper bush, a proportional handspike, a move-down plate, a lower bush and other elements. The proportional handspike, a rigid straight bar with spherical surfaces at both ends and in the middle, is symmetrical distributed under the movable table to form a supporting structure. The base, deformed plate and the move-down plate form an internal parallelogram structure, while the move-down plate, lower bush and movable table shapes an external parallelogram structure. The two composite parallelogram structures guarantee an only rectilinear translation motion forward and backward without seesaw motion when the movable table is in motion, thus to realize a high precision rectilinear motion of the functional elements on the mobile platform.

Description

technical field [0001] The invention belongs to a precision displacement platform without a guide rail and relates to the technical field of mechanical equipment. Background technique [0002] The precision displacement platform is mostly used for the precise alignment and adjustment of high-precision instruments. It is a tool for installation and adjustment, or it is an important part of high-precision instruments. Therefore, in today's rapid development of modern high-tech, in the field of high-precision precision instrument technology, it is highly valued by people in the industry. [0003] Among the existing precision displacement platforms, most of them belong to rail precision displacement platforms. E.g: [0004] The double V-shaped rolling guide rail platform can be found from technical books on mechanisms, as shown in Figure 1 and Figure 2, including a moving plate 1, a stage 2, a first screw 3, a second screw 4, a deceleration drive mechanism 5, Connecting frame...

Claims

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Application Information

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IPC IPC(8): G12B5/00
Inventor 高云国张倩张文豹
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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