CN201864830U - Hollow roller - Google Patents

Abstract

The utility model relates to a hollow roller suitable to be used on a compact spinning machine, and belongs to the field of fittings of textile machines. The hollow roller comprises a mandrel (1), and is characterized in that a plurality of hollow roller sleeves (2) are equidistantly distributed on the mandrel (1); adjacent two hollow roller sleeves (2) are placed oppositely; each two oppositely placed hollow roller sleeves (2) form a group; the mandrel (1) is connected with the hollow roller sleeves (2) in an interference fit manner; each hollow roller sleeve (2) is a hollow rotary drum; grooves (4) are formed on the outer edge of the rotary drum; small holes (5) leading to an inner cavity (3) of the rotary drum are formed on the grooves (4); and the roller selects 45 steel as material. As negative pressure exists in the inner cavity of each hollow roller sleeve of the hollow roller provided by the utility model, peripheral air are continuously sucked into the inner cavity through the small holes, so that discrete fiber can be bundled, and the generation of fuzzy yarn and flying can be effectively reduced.

Description

Hollow roller

Technical field

The utility model relates to a kind of roller that closely spins use, belongs to the textile machinery accessories field.

Background technology

Before the utility model is made, closely spin at present the roller that generally adopts and comprise a single mandrel, equidistantly be provided with the helical teeth groove on the axle, this roller its jaw position in use can form spinning triangular zone, the size of spinning triangular zone width depends on winding tension, in order to reel closely, need certain winding tension, so the width of spinning triangular zone is less than the width of feeding yarn, the fiber at edge, trigonum and the fiber that is connected difference with the yarn body, one end stretches out the external and other end of yarn to be twisted with the fingers in the yarn body or the situation of not twisted with the fingers the yarn body occurred, can produce flyings and Yarn filoplume thus.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of hollow roller that reduces filoplume and flyings generation is provided.

The purpose of this utility model is achieved in that a kind of hollow roller, comprise axle, it is characterized in that: equidistantly be distributed with a plurality of hollow roller covers on the described axle, adjacent two hollow roller covers are placed in opposite directions, per two hollow roller covers of placing in opposite directions are one group, and axle and hollow roller cover link together by interference fit, and described hollow roller cover is a bored roll, the cylinder outer rim has groove, has the aperture towards drum cavity on the groove.

Described hollow roller material is selected 45 steel for use.

Compared with prior art, the beneficial effects of the utility model are:

The hollow roller of the utility model, comprise axle and hollow roller cover, hollow roller cover is the bigger bored roll of a diameter, the cylinder outer rim has groove, have the aperture towards drum cavity on the groove, there is negative pressure in hollow roller cover inner chamber, and peripheral air constantly sucks inner chamber by aperture, make that discrete fiber can boundling, can less effectively filoplume and the generation of flyings.

Description of drawings

Fig. 1 is the structural representation of the hollow roller of the utility model.

Fig. 2 is the A-A cutaway view of Fig. 1.

Wherein:

Axle 1, hollow roller cover 2, inner chamber 3, groove 4, aperture 5.

The specific embodiment

Referring to Fig. 1, a kind of hollow roller that closely spins use that the utility model relates to, comprise axle 1, equidistantly be distributed with a plurality of hollow roller covers 2 on the described axle 1, adjacent two hollow roller covers 2 are placed in opposite directions, per two hollow rollers covers of placing in opposite directions 2 are one group, and axle 1 and hollow roller cover 2 link together by interference fit.

Described hollow roller cover 2 is a bored roll, and the cylinder outer rim has groove 4, has the aperture 5 towards drum cavity 3 on the groove 4.Described hollow roller material is selected 45 steel for use.

The novel hollow roller of this use mainly is through after its drawing-off rove, fiber is stayed on the hollow roller cover 2, owing to have negative pressure in the inner chamber 3 of hollow roller cover 2, therefore hollow roller overlaps the air of 2 peripheries through small holes 5 continuous suctions in the inner chamber 3, make that discrete fiber can boundling, therefore reach the purpose that reduces filoplume and flyings.

Claims (2)

1. hollow roller, comprise axle (1), it is characterized in that: equidistantly be distributed with a plurality of hollow roller covers (2) on the described axle (1), adjacent two hollow roller covers (2) are placed in opposite directions, per two hollow roller covers of placing in opposite directions (2) are one group, and axle (1) links together by interference fit with hollow roller cover (2), and described hollow roller cover (2) is a bored roll, the cylinder outer rim has groove (4), has the aperture (5) towards drum cavity (3) on the groove (4).

2. a kind of hollow roller according to claim 1 is characterized in that: described roller material is selected 45 steel for use.

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