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Title:
ULTRAFINE FIBER EXTRUSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/056534
Kind Code:
A1
Abstract:
An ultrafine fiber extrusion device, comprising a material conveying and extruding assembly, a crankshaft, and a mounting plate. Two material conveying and extruding assemblies are disposed side by side; each material conveying and extruding assembly comprises a heating and conveying device, a feeding hopper, a material conveying pipe, a material extruding cylinder, a material extruding hopper, a material extruding plate, a material extruding sliding block, and a connecting rod; a feeding end and a discharging end are disposed on the heating and conveying device; the feeding hopper is disposed at the feeding end of the heating and conveying device; a feeding port is disposed at the material extruding cylinder; two ends of the material conveying pipe are respectively communicated with the discharging end and the feeding port; the material extruding sliding block is slidably disposed in the material extruding cylinder; the heating and conveying device and the material extruding cylinder are both disposed on the mounting plate; a first driving device for driving the heating and conveying device to convey materials and a second driving device for driving the crankshaft to rotate are disposed on the mounting plate; two groups of crank arms are disposed on the crankshaft side by side; one end of the connecting rod is rotationally connected to the crank arms, and the other end of the connecting end is rotationally connected to the material extruding sliding block. The present utility model improves the extrusion efficiency of ultrafine fibers.

Inventors:
WANG MINGHUI (CN)
XU HAIFENG (CN)
Application Number:
PCT/CN2019/109017
Publication Date:
April 01, 2021
Filing Date:
September 29, 2019
Export Citation:
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Assignee:
SUZHOUBIDAER INNOVATION MATERIALS TECH CO LTD (CN)
International Classes:
D01D5/08; B29C48/48
Foreign References:
CN105034309A2015-11-11
CN2848544Y2006-12-20
US20040080064A12004-04-29
EP2371525A22011-10-05
US5030080A1991-07-09
CN205058540U2016-03-02
CN103434114A2013-12-11
CN207535181U2018-06-26
Attorney, Agent or Firm:
BEIJING LINKAW PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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