Coarse spinner
A technology of roving frame and frame, which is applied in textile and paper making, etc., can solve the problems of reducing production quality, affecting the cleanliness and smoothness of sliver surface, and breaking flocs, so as to achieve the effect of improving quality.
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[0020] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0021] like Figure 1-3 As shown, the present invention provides a roving frame, comprising a frame 10 and a yarn setting mechanism 20, a drafting mechanism and a twisting mechanism 40 arranged sequentially on the frame 10 from back to front along the yarn advancing direction, The drafting mechanism includes three driving rollers 31 and three driven rollers 32, and the three driven rollers 32 are arranged in front of the three driving rollers 31 in one-to-one correspondence, and the roving frame also includes a cleaning and recovery mechanism, so The cleaning recovery mechanism includes an upper air box 52, a lower air box 53, a ventilation pipe 54, a recovery box 55, and a suction fan 57. The upper air box 52 and t...
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