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Patent: Low Fiber Jet Vortex Spinning Device

2010/6/22 14:38:00 37

Application (patent): CN200810038025.5 application day: 2008.05.26


Open (announcement): CN101294319 public (announcement) day: 2008.10.29


Main classification number: D01H4/02 (2006.01)


Classification number: D01H4/02 (2006.01)


Applicant (patent holder): Donghua University


Address: 200051 Modern Textile Research Institute, Donghua University, 1882 West Yan'an Road, Shanghai


Invention (designer): Zou Yong Yong; Cheng Long Di; Xue Wenliang; Yu Jianyong


Patent agency: Shanghai Shen Hui Patent Agency Co., Ltd.


Agent: Weng Ruoying


Abstract: the invention belongs to the field of spinning processing, and provides an air-jet vortex spinning device which uses a high-speed rotating air to twirl the free end fiber yarn into yarn. The device is composed of a guide tube, a guiding needle, a gas storage hood, a twisting nozzles, a first air storage chamber, a second air storage chamber, an exhaust hood, a compact spindle, a vortex tube and a vortex tube bracket. Through the improvement of the new guiding needle, the compact spindle, the twisting nozzle and the vortex tube and the process improvement, the invention can effectively reduce the fiber dropping rate in the spinning process, obtain high-quality yarn with less hairiness and less details, and simultaneously improve the utilization ratio of the raw material and reduce the yarn production cost.


  主权项: 一种低落纤的喷气涡流纺装置,它包括引导管(1)、储气罩(3)、加捻喷嘴(4)、第一储气室(5)、第二储气室(5′)、排气罩(6)、涡流管(8)、涡流管支架(9),其特征在于它还包括设置的引导针(2),它紧固于引导管(1)上,其上部为圆柱形,下部为圆锥形,引导针(2)的圆柱形直径(D0)为0.3~0.6mm,引导针(2)的上部高度(h0)为6.5~7.5mm,引导针(2)的总高度(h1)为7~10mm、所述的加捻喷嘴(4)上部既与引导管(1)相连又与储气罩(3)相连,中部与储气罩(3)和排气罩(6)相连,加捻喷嘴(4)的入口内孔直径(D1)为6~8mm,涡流腔(42)的上部内孔直径(D2)为3.5~6mm,涡流腔(42)的下部内孔直径(D3)为4~6.5mm,加捻喷嘴(4)的入口外径(D4)为8~12mm,加捻喷嘴(4)的中部突肩直径(D5)为10~18mm,加捻喷嘴(4)的入口端面与涡流腔(42)的上部内孔端面间的高度(h2)为1.5~3mm。 {page_break}


  涡流腔(42)的上部内孔高度(h3)为1.5~2.5mm,涡流腔(42)的下部内孔高度(h4)为4~6mm,锥形排气通道(43)的半锥角(α)为30~60°,锥形排气通道(43)的高度(h5)为4~8mm,加捻喷嘴(4)的入口端面与加捻喷嘴(4)的中部突肩端面间的高度(h6)为3~6mm,加捻喷嘴(4)的中部突肩高度(h7)为2~5mm,加捻喷嘴(4)的总高度(h8)为11~19.5mm,加捻喷孔(41)的数量为3~6个,加捻喷孔(41)的进口直径(d1)为0.8~1.6mm,加捻喷孔(41)的出口直径(d2)为0.4~0.8mm,加捻喷孔(41)与加捻喷嘴(4)的轴向夹角(γ)为45~90°、设置的紧密锭子(7)既与排气罩(6)相连又与涡流管支架(9)相连,


  它的中部下端口还与涡流管(8)相连,紧密入口(71)的直径(D6)为2~4mm,紧密入口(71)的倒角(θ)为30~60°,紧密通道(72)的直径(D7)为0.8~1.4mm,紧密锭子(7)的中部小内孔直径(D8)为3~5mm,它与涡流管(8)的导纱通道(83)的直径(D13)相等,紧密锭子(7)的中部大内孔直径(D9)为5~10mm,它与涡流管(8)的入口外径(D14)相等,紧密锭子(7)的出口内径(D10)为9~14mm,紧密锭子(7)的下部外径(D11)为10~20mm,紧密锭子(7)的出口外径为(D12)为14~26mm,紧密锭子(7)的上部高度(h9)为5~8mm,紧密锭子(7)的上部半锥角(δ)为5~15°,紧密锭子(7)的中部高度(h10)为8~12mm,紧密锭子(7)的中部外表面与中心轴的夹角(η)为30~60°,且紧密锭子(7)的中部外表面与加捻喷嘴(4)的下部内斜面平行,紧密锭子(7)的中部外端面与下部上端面间的高度(h11)为3~5mm,紧密锭子(7)的下部高度(h12)为5~8mm。


  所述的涡流管(8)上部与紧密锭子(7)相连,下部支撑在涡流管支架(9)上,导纱通道(83)的直径(D13)为3~5mm,涡流管(8)的入口外径(D14)为5~10mm,涡流管(8)的突台外径(D15)为6~12mm,涡流管(8)的上端面与假捻喷孔(81)的入口中心间的高度(h13)为5~10mm,假捻喷孔(81)的入口中心与减羽喷孔(82)的入口中心间的高度(h14)为30~40mm,减羽喷孔(82)的入口中心与涡流管(8)的突台上端面间的高度(h15)为4~6mm,涡流管(8)的突台高度(h16)为5~10mm,涡流管(8)的总高度(h17)为50~70mm,假捻喷孔(81)的直径(d3)为0.3~1mm,数量为3~6个,沿圆周均匀分布,且垂直于涡流管(8)的轴线,减羽喷孔(82)的直径(d4)为0.4~1mm,数量为3~6个,沿圆周均匀分布,减羽喷孔(82)与涡流管(8)的轴向夹角(β)为30~90°。

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