Double-sided twill doffer card clothing

Abstract

The invention discloses double-sided twill doffer card clothing. The double-sided twill doffer card clothing comprises a base part and needle teeth uniformly distributed on the base part, at least twoconvex twills 3 are arranged on each of the two side faces of each needle tooth, the included angle theta between each twill 3 and the bottom surface of the base part is 45-55 degrees, the thicknessD of each twill is 0.02-0.08 mm, the height H of each twill is 0.02-0.06 mm, the distance L between every two adjacent twills is 0.02-0.06 mm, and the distance M between the highest point of each twill and the top face of each needle tooth is 0.03-0.05 mm. Compared with plain weave, the positions of the twills on the needle teeth are adjusted upwards to guarantee the fiber grabbing force; along with rotation of a doffer, the angle and process requirements of the twills are consistent, the fibers can be firmly grabbed when needing to be grabbed, when the fibers need to be transferred, the action force on the fibers is lost, grabbing, carding and timely transferring of the fibers are facilitated, and the transfer rate is increased; the double-sided twills can better dredge air flow, so thatair flow disorder in a cylinder-doffer triangular region is avoided.

Description

Technical field [0001] The present invention relates to the technical field of textile machinery, in particular to a doffer card clothing used on a carding machine. By providing raised twill on both sides of the needle teeth, when the doffer rotates, the angle of the twill meets the requirements of the technological process to achieve very Good carding effect. Background technique [0002] The carding machine is used to process cotton fibers and chemical fibers. The cotton (fiber) rolls sent from the previous process or the cotton (chemical fiber) layers supplied from the cotton box are opened, carded and impurity removed, so that all are crimped blocks The cotton mass becomes a basically straight single fiber. The doffer is an important part of the carding process, and the doffer card clothing is the core carding element of the doffer working area. The fiber will be transferred to the surface of the doffer card after the main carding of the cylinder and the cover plate, and the...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a double-sided twill doffer card clothing, that is, the side of the commonly used straight-toothed and arc-shaped doffer card clothing is provided with twill, which can effectively solve the problems of the existing doffer card clothing fiber straightness, The parallelism and separation are not good, and there are problems such as falling into the net and returning flowers.

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