Support and guide device for planar curve motion using hyperbolic bar metamorphic mechanism

Abstract

The invention provides a plane curve motion supporting and guiding device adopting a double-curve-rod metamorphic mechanism. The plane curve motion supporting and guiding device comprises a curve guide rail and the double-curve-rod metamorphic mechanism moving along the curve guide rail. The double-curve-rod metamorphic mechanism comprises a front supporting assembly and a rear supporting assemblywhich move along the curve guide rail, a double-curve rod I rotationally connected to two walking wheel assemblies of the front supporting assembly, a double-curve rod II rotationally connected to two walking wheel assemblies of the rear supporting assembly, and a movable pair assembly connecting the two walking wheel assemblies located on the same side of the curve guide rail. Each of the frontsupporting assembly and the rear supporting assembly comprises the corresponding walking wheel assemblies arranged on the two sides of the curve guide rail. The length of the movable pair assembly canbe automatically adjusted. According to the plane curve motion supporting and guiding device, various postures of the plane curve motion can be achieved through the linkage double-curve-rod metamorphic mechanism, and accordingly the supporting and guiding function of the plane curve motion is achieved.

Description

technical field [0001] The invention belongs to the field of machinery, and in particular relates to a planar curve motion support and guide device adopting a hyperbolic bar metamorphic mechanism. Background technique [0002] With the rapid development of industrial automation control, curved motion control is required by more and more industries. Among them, the curved support and guide device is the core component of curved motion, so its reliability requirements are higher and its working life is longer. The front and rear support and guide components in the current curved slide rail products are independent of each other, so there are the following deficiencies: [0003] (1) Low reliability: The front and rear support components of the traditional curved support and guide device are independent of each other. Once one of the load-bearing reversing shaft components is stuck, it will cause the guide support to be unable to complete the curved motion smoothly, and even cau...

AI Technical Summary

Problems solved by technology

[0003] (1) Low reliability: The front and rear support components of the traditional curved support and guide device are independent of each other. Once one of the load-bearing reversing shaft components is stuck, it will cause the guide support to fail to complete the curved movement smoothly, and even cause serious problems. accidents, resulting in serious economic losses;

[0004] (2) Short working life: The front and rear support components in the traditional curved support and guide device are designed with an eccentric roller to adjust the gap between the roller and the curved guide rail, but the adjusted gap value is fixed, so the gap between the roller and the curved guide rail There is no certain pre-tightening force, and once the rollers are worn out, the supporting and guiding effect will be poor, thereby reducing their service life

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