Crimping machines for processing synthetic fibers
A synthetic fiber, crimping machine technology, applied in the field of crimping machines, which can solve the problems of insufficient fiber pushing/driving action to ensure absolute process reliability and poor fiber holding.
Active Publication Date: 2021-08-06
M A E
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Problems solved by technology
[0018] Although this practically solves the inertia and wear problems of conventional crimpers, the poor grip of the fiber by the belt makes it difficult to apply at an industrial level, where the push / drive action on the fiber introduced into the crimper chamber may not be sufficient to ensure absolute process reliability
Method used
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[0038] Referring to the drawings, reference numeral 1 denotes a crimper according to the invention.
[0039] The shown crimping machine 1 defines a device for processing fibrous material, mainly synthetic fibres, configured to carry out a continuous sequence of corrugating or crimping processes of linear filaments coming from preceding processing stations.
[0040] The treated fibers are usually chemical fibers such as cellulose, polyolefin, aramid, polyamide, polyester, polyethylene, polyacrylic fibers, etc.
[0041] The crimper 1 is thus used in spinning systems for these fibers, both in the textile industry and in other industries.
[0042] The crimping machine 1 thus comprises a duct 2 extending along a direction of advancement "A" between an inlet opening 2a and an outlet opening 2b, said inlet opening being connected to means for feeding a bundle "F" of fibrous material (not shown). out) link.
[0043] A drive unit 3 arranged along the conduit 2 is also provided.
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Abstract
A crimper for processing chemical fibres, comprising: a duct (2) extending along an advancing direction (A) between an inlet opening (2a) and an outlet opening (2b) capable of means coupled to feed a bundle (F) of fibrous material; a drive unit (3) arranged along said conduit (2) and comprising a first drive member (4) and a second drive member (5), The first drive member and the second drive member abut against each other at a place corresponding to at least a maximum proximity zone (Z) and exert a driving action on the bundle of fiber material (F) in said maximum proximity zone; a crimping chamber (10), which Arranged immediately downstream of the drive unit (3) and configured to receive said tow (F) of fibrous material facilitates mechanical deformation of the tow of fibrous material by peak loads. The first drive member (4) and the second drive member (5) are configured to define a deflection (D) along the conduit (2) such that the inlet opening (2a) of the conduit (2) is opposite to the outlet opening (2b) There are different orientations in which the first member (4) is flexible at least at the maximum proximity zone (Z) to move closer to or move away from the second member (5) depending on the thickness of the bundle (F).
Description
technical field [0001] The present invention relates to a crimping machine, that is, to a device for processing chemical fibers, which is intended to provide these fibers with a continuous corrugated configuration called "crimping", which exits smoothly from the forming unit, which is essential for subsequent Spinning is critical. [0002] The invention finds particular application in the processing of synthetic and man-made chemical fibers (eg textiles), such as cellulose, polyolefin, aramid, polyamide, polyester, polyethylene, polyacrylic fibers and the like. Background technique [0003] It is noted that in the presently known technical description, reference will be made to polyester fibers explicitly, but without loss of generality, because the object of the present invention can also be used in other types of chemical fibers (including but not limited to those listed above) Those employed and used in the handling and processing of chemical fibers). [0004] As mentio...
Claims
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IPC IPC(8): D02G1/12
CPCD02G1/12
Inventor M·罗韦里尼
Owner M A E