Sword belt wheel wefting insertion speeding mechanism

Abstract

The invention discloses a sword belt wheel wefting insertion speeding mechanism. The mechanism comprises a bull gear and a pinion which are meshed with each other, wherein the pinion is installed on a pinion mounting rack, the pinion mounting rack comprises a fixed seat and a rotating shaft, and the rotating shaft is movably connected with the fixed seat through a bearing; and the pinion and a sword belt wheel are respectively fixed on the rotating shaft. By utilizing the sword belt wheel wefting insertion speeding mechanism, the sword belt wheel rotational speed can be effectively increased in a wide fabric producing process so as to improve the wide weaving efficiency.

Description

technical field [0001] The invention relates to a weft insertion speed-up mechanism of a sword pulley, which belongs to the field of textile machinery. Background technique [0002] The function of the weft insertion mechanism is to convert the uniform rotational motion of the main shaft of the rapier loom into the regular linear reciprocating movement of the rapier head. At present, the weft insertion mechanisms of rapier looms sold in the domestic market mainly include: (1) Conjugate cam weft insertion mechanism, this type of mechanism can easily meet the motion law required by weft insertion, but the machining accuracy of the cam contour is quite high , if there is an error, there will be an impact; (2) the planar six-link weft feeding mechanism and the four-link weft receiving mechanism can easily realize "relay" weft insertion, but the design flexibility of the weft insertion motion law is not as good as that of the conjugate cam weft insertion (3) Space four-link weft...

AI Technical Summary

Problems solved by technology

At present, the weft insertion mechanisms of rapier looms sold in the domestic market mainly include: (1) Conjugate cam weft insertion mechanism, this type of mechanism can easily meet the motion law required by weft insertion, but the machining accuracy of the cam contour is quite high , if there is an error, there will be an impact; (2) the planar six-link weft feeding mechanism and the four-link weft receiving mechanism can easily realize "relay" weft insertion, but the design flexibility of the weft insertion motion law is not as good as that of the conjugate cam weft insertion (3) Space four-link weft insertion mechanism, the design flexibility of its weft insertion movement law is not as good as the planar six-link weft sending and four-link weft connection mechanism; the screw transmission weft insertion mechanism, although this type of mechanism is simple in structure and transmission The steps are simplified, but it cannot meet the travel of the weft insertion mechanism in the wide-width weaving process

[0003] Since the ratio of the output speed to the input speed of the above-mentioned rapier loom weft insertion mechanisms is fixed, the maximum speed of the movement of the rapier head is limited when the main shaft of the rapier loom is working normally.

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