Yarn drawing mechanism of jacquard tufting machine

提花簇绒机的纱线牵引机构

Abstract

一种提花簇绒机的纱线牵引机构,包括支架、两个罗拉以及罗拉驱动机构,两个罗拉均可转动安装在支架上,并且两个罗拉均与罗拉驱动机构传动连接,其特征是:所述罗拉的外表面为花纹面;两个罗拉之间有间距,其中一个罗拉处于另一个罗拉下方。本实用新型牵引纱线时,纱线在两个外表面为花纹面的罗拉上均有一定大小的包角,利用罗拉外表面与纱线之间的摩擦力,对纱线进行牵引,具有足够大的牵引力;而且,由于牵引过程中纱线是包绕在罗拉上的,纱线没有受到纱线牵引机构的挤压,因此不会在纱线上产生压痕,可有效避免在簇绒产品上产生不需要的花纹,确保簇绒产品的美观程度。
A yarn drawing mechanism of a jacquard tufting machine comprises a support, two rollers and a roller drive mechanism. The two rollers are rotatably arranged on the support and in transmission connection with the roller drive mechanism. The jacquard tufting machine is characterized in that the outer surfaces of the rollers are pattern surfaces; and space is arranged between the two rollers, and one of the rollers is arranged below the other roller. When the yarn drawing mechanism draws yarns, the yarns have warp angles of certain sizes on the rollers the two outer surfaces which are pattern surfaces, and the friction between the outer surfaces of the rollers and the yarns is used for drawing the yarns, and large enough drawing forces are provided; and moreover, the yarns are wound on the rollers in a drawing process and are not squeezed by the yarn drawing mechanism, so that indentations cannot be produced on the yarns, needless patterns can be prevented from being produced on tufting products, and the attractiveness degree of tufting products is guaranteed.

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