Y-direction symmetrical and parallel driving structure of pattern stitching machine

花样机y向对称平行驱动结构

Abstract

The utility model discloses a Y-direction symmetrical and parallel driving structure of a pattern stitching machine, comprising a Y-direction drive shaft, a main driving yoke assembly, a main drivingtooth form belt pulley, a driving stepping motor, a toothed belt fixing assembly, a toothed belt, a fixing plate, a stretching bracket assembly, a connecting block and a Y-direction drive frame, the Y-direction drive shaft and the stretching bracket assembly are symmetrically arranged at two sides of the pattern stitching machine in parallel by the fixing plate and the main driving yoke assembly,the driving stepping motor is fixed on the fixing plate, the main driving tooth form belt pulley is arranged on a motor shaft of the driving stepping motor, the toothed belt fixing assembly drives thetoothed belt to be fixed on the Y-direction drive shaft which is fixed on the Y-direction drive frame by the connecting block. By adopting the symmetrical and parallel structure, unbalanced loading of moment and accumulative error of assembly of an A point and a B point along the Y direction are eliminated, so as to lead stitched patterns at two ends to be consistent.
本实用新型公开了一种花样机Y向对称平行驱动结构,其包括Y向驱动轴、主驱动架组件、主驱动齿形带轮、驱动步进电机、齿形带固定组件、齿形带、固定板、涨紧架组件、连接块和Y向驱动架,Y向驱动轴通过固定板及主驱动架组件和涨紧架组件对称且平行地安装于花样机的两侧,驱动步进电机为固定在固定板上,主驱动齿形带轮安装在驱动步进电机的电机轴上,齿形带固定组件将带动齿形带固定在Y向驱动轴上,Y向驱动轴通过连接块固定在Y向驱动架。本实用新型由于采用这种对称且平行结构,从而消除了A点与B点在Y方向因为力矩的偏载及装配的累计误差,使缝制的图案在两端一致。

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