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Built-in linear motion mechanism

A technology of linear motion and sliding components, which is applied in the direction of mechanical equipment, transmission devices, friction transmission devices, etc., can solve the problems of rising economic costs and affecting transmission accuracy, and achieve the effect of reducing processing costs, reducing costs, and making production simple

Pending Publication Date: 2018-09-14
SHANGHAI LIONSTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to slippage between the roller and the guide rail, the transmission accuracy is affected. In order to solve this problem, a magnetic scale or a grating scale is usually used for positioning, but this requires the addition of a closed-loop servo control system, which increases the economic cost of the entire system. up

Method used

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  • Built-in linear motion mechanism
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Embodiment Construction

[0025] The following will be described in detail in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as Figure 1-6 As shown, a built-in linear motion mechanism includes a sliding assembly and a precision control assembly. The precision control assembly drives the sliding assembly to perform linear motion and controls the accuracy of its motion direction. The sliding assembly includes a slidingly connected U-shaped slide rail 101 and a slide block 102, and the precision control assembly includes an engaged flat synchronous belt 202 and a synchronous pulley 201; , the synchronous pulley 201 is connected with the slider 102 and drives it to move linearly.

[0027] In this application, the synchronous pulley 201 is used as a driving part, and its power can be provided by an external synchronous motor or other components. The synchronous pulley 201 and the plane synchronous belt 202 work together to effectively ensure the motion accuracy of the ...

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Abstract

The invention discloses a built-in linear motion mechanism. According to the built-in linear motion mechanism, a precision control assembly precisely controls linear motion of a sliding block througha synchronous pulley and a plane synchronous belt. The synchronous pulley and the plane synchronous belt can be engaged directly and can also be engaged indirectly through an annular double-faced synchronous belt, the synchronous pulley is more suitable for light-load linear motion, and relatively, the plane synchronous belt can bear heavier loads. Under the situation of equivalent precision, themanufacturing cost of the built-in linear motion mechanism is relatively low, and accordingly the built-in linear motion mechanism is more suitable for being popularized.

Description

technical field [0001] The invention relates to the technical field of linear motion mechanisms, in particular to a built-in linear motion mechanism. Background technique [0002] There are many kinds of mechanisms commonly used in mechanical equipment, and linear motion mechanisms are also common. Among them, linear guide rail plus transmission mechanism is a linear motion mechanism, which is widely used in the field of mechanical automation. The transmission mechanism includes screw nut pair, rack and pinion pair, belt and pulley drive, chain and sprocket drive, etc. The linear guide is a precision part, which has strict requirements on the working environment, and the cost of use and replacement is high; especially the slide rail, the machining accuracy of the three surfaces of the groove is high, and the corresponding processing cost is also high. The screw nut pair and the rack and pinion pair are relatively high-cost transmission mechanisms. The cost of belt and pulle...

Claims

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Application Information

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IPC IPC(8): F16H19/06
CPCF16H19/0645F16H19/0672F16H2019/0686F16H2019/0613
Inventor 曾继跃郭新星
Owner SHANGHAI LIONSTEK CO LTD
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