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Long-stroke large-load dual-drive horizontal linear motion platform

A linear motion, large load technology, applied in the direction of the workbench, large fixed members, metal processing mechanical parts, etc., can solve the problems of overhang, affecting the drive, and the positioning accuracy is not too high.

Inactive Publication Date: 2017-05-31
CHINA PRECISION ENG INST FOR AIRCRAFT IND AVIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing linear motion platform is mainly driven by a rack and pinion or a ball screw. For a long-stroke horizontal linear motion platform, if the ball screw is too long, there will be a suspension problem, which will affect the drive.
However, due to the existence of gaps in the rack and pinion transmission, the positioning accuracy is not too high.

Method used

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  • Long-stroke large-load dual-drive horizontal linear motion platform
  • Long-stroke large-load dual-drive horizontal linear motion platform
  • Long-stroke large-load dual-drive horizontal linear motion platform

Examples

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Embodiment Construction

[0013] The technical scheme of the present invention will be described in further detail below in conjunction with accompanying drawing and embodiment:

[0014] See attached Figure 1~3 As shown, a long-stroke and large-load double-drive horizontal linear motion platform is characterized in that: the platform includes a rectangular base 2 with a length of 10-12 meters, and the base (2) is composed of three single bases. There is a gap between the two, and a pad iron 7 for adjusting the level of the base 2 is installed on the bottom of the base 2. In order to improve the stability of the base, multiple pad irons can be placed, and each side of the upper surface of the base 2 along the length direction is installed. A guide rail 6 with the same length as the base 2. The guide rails 6 are spliced ​​by standard guide rails. Two standard guide rails are close together. A square table 4 is arranged on the guide rail 6. The side length of the table 4 is 2 to 3 meters. Slide block 8 ...

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Abstract

The invention discloses a long-stroke large-load dual-drive horizontal linear motion platform which can bear large loads and large overturning moment, is wide in motion range and meanwhile, and has quite high positioning precision. The platform comprises a base, a platform board, sizing blocks, guide rails, sliding blocks, rollers, racks, drive devices, laser distance meters and limiting blocks, wherein the leveling sizing blocks are installed below the base and can level the base; and the rollers are installed on output shafts of the drive devices and engaged with the racks, and the platform board can be made to do horizontal linear motion along the guide rails installed on the base. Meanwhile, a feedback device feeds back signals in real time. The limiting devices are installed on the two sides of the base.

Description

technical field [0001] The invention is a long-stroke and large-load double-drive horizontal linear motion platform, which belongs to the technical field of product structure. [0002] The invention relates to a long-stroke and large-load dual-drive horizontal linear motion platform, which can bear a large load and withstand a large overturning moment, has a large range of motion, and has high positioning accuracy. Background technique [0003] With the development of industrial automation technology, linear motion platforms are widely used in the field of CNC machine tools, robots, medical equipment and large production lines. The application of precision rolling guides and high-precision encoders has greatly accelerated the development of linear motion platforms, which can withstand large loads, large overturning moments, and have high positioning accuracy. The existing linear motion platform is mainly driven by a rack and pinion or a ball screw. For a long-stroke horizon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/26B25J5/02B25H1/14
CPCB23Q1/26B25H1/14B25J5/02
Inventor 程学艳阮晓峰戴长军
Owner CHINA PRECISION ENG INST FOR AIRCRAFT IND AVIC
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