Extra wide breadth rapier loom weft insertion driving device

Abstract

The invention provides a rapier loom weft insertion driving device with extra width which includes a fork shape connecting rod, the fork connecting rod connects with a rotary arm and a cross joint respectively, the cross joint connects with a machine frame box through a bearing; two ends of a H shape connecting rod connects with the cross joint and a sector gear through a needle bearing, and connects with a gear on a rapier shaft through a two-stage gear, the rapier shaft connects with the machine frame box through the bearing, a connecting center O25 of the cross joint and the H shape connecting rod, a connecting point O22 of the cross joint and the fork shape connecting rod locate on a same side of the cross joint and the fork shape connecting rod relative to the rotary shaft line, and an formed included angle alpha is an obtuse angle, an included angle beta is an sharp angle. The device has advantages of simple structure, reliable, convenient for use and realizing wide breadth range.

Description

technical field [0001] The invention relates to a weft insertion driving device used on a loom, which belongs to a transmission mechanism of a textile machine. Background technique [0002] figure 1 , 2 The mechanism shown is a common technology at present, and it is applied on many looms. The specific mechanism is: a fork-shaped connecting rod 12 is connected with the rotating arm 11 through a needle bearing, and connected with a ten-byte through a tapered roller bearing. 13 connection, wherein the fork connecting rod 12 is fixedly connected with the outer ring of the tapered roller bearing, the ten-point 13 is fixedly connected with the inner ring of the tapered roller bearing, and the ten-point 13 is connected with the frame box through the tapered roller bearing The two ends of the H-shaped connecting rod 14 are respectively connected to the ten-piece 13 and the sector gear 15 through needle bearings, and the sector gear 15 is connected to the frame through needle bear...

AI Technical Summary

Problems solved by technology

[0007] There are also domestic weft insertion systems of other rapier looms that can achieve a door width of more than 360cm to 460cm, but it uses a conjugate cam mechanism to convert the entire circular motion into a reciprocating motion, and the planar four-bar linkage mechanism realizes the adjustment of the reciprocating stroke , the two-stage gear transmission realizes the enlargement of the reciprocating stroke; there are also four-bar linkage mechanism weft insertion in China to realize the weft insertion drive of extra-wide width, but three-stage gear transmission is used in the gear amplification mechanism, so Relatively complex in organization

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