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Analysis of the principle of belt weft feeding device

 This device is similar to the umbrella wheel device on the general shuttle less ribbon machine, and is a weft yarn supply device superior to the umbrella wheel device, which can realize the slight adjustment of the weft supply amount without stopping the machine.

Working principle: by adjusting the nut to rotate in a clockwise or counterclockwise direction, the bracket assembly as a whole can have a certain range of adjustable angle with respect to the supporting shaft core, thereby changing the distance between the two rotating pivot points that drive the belt to rotate, Together with the unique ladder design of the tension belt pulley (umbrella design), the speed of the belt compression wheel can be artificially controlled, and finally the required weft supply speed (supply) can be achieved to achieve the supply and demand balance of the weft.