CN216585379U

CN216585379U - Spinning rotor for open-end spinning device

Info

Publication number: CN216585379U
Application number: CN202220062403.9U
Authority: CN
Inventors: 石楠楠; 李继峰; 郭可; 张亚静; 赵东
Original assignee: Shandong Hongju Textile Co ltd
Current assignee: Shandong Hongju Textile Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-05-24
Anticipated expiration: 2032-01-11

Abstract

The utility model belongs to the technical field of textile equipment, a spinning rotor for air current spinning device is proposed, comprising a cup body, the cup includes integrated into one piece's first in the same direction as the pyramis, the second is in the same direction as the pyramis, the horizontal part, back taper portion and straight shaft portion, first in the same direction as the conical surface generating line of pyramis is for pitch arc and its pitch arc center towards the axis center of cup, first in the same direction as the inner wall of pyramis is provided with the curved surface heavy groove along its circumference distribution round, be provided with annular inside lining in the curved surface heavy groove, the inside lining includes interior loop portion, protruding ring portion and outer loop portion, the last through-hole that is provided with a plurality of evenly distributed of protruding ring portion, the outside of falling the pyramis is provided with a plurality of balance holes, it is provided with balance weight to rotate in the balance hole, the outside of straight shaft portion is provided with a plurality of axially distributed's support annular. The device has the advantages of reasonable design, simple structure, better rotation balance, longer service life, and contribution to improving the spinning quality and efficiency, and is suitable for large-scale popularization.

Description

Spinning rotor for open-end spinning device

Technical Field

The utility model belongs to the technical field of weaving equipment, especially, relate to a spinning rotor for open-end spinning device.

Background

Rotor spinning is the most widely used new spinning technology, and it uses a rotor rotating at high speed to complete spinning. The main parts used for open-end spinning are rotor, cotton feeding mechanism, carding roller, yarn-guiding tube and yarn-stopping device, the whole set of device is called spinning device. The method of generating negative pressure in the revolving cup can be divided into two categories, namely self-exhaust type and air exhaust type. The self-air-exhaust spinning device is provided with a plurality of air exhaust holes at the bottom side of the rotating cup, and when the rotating cup rotates at high speed, the self-air-exhaust spinning device generates the action similar to a centrifugal pump to ensure that negative pressure is provided in the rotating cup. The air flow in the self-exhaust rotary cup is mainly supplemented from the fiber conveying pipe and is exhausted to the small holes at the side part of the bottom after passing through the cotton condensing groove. The fiber may directly impact the twisted sliver after exiting the delivery tube and before reaching the gathering slot of the rotor, forming loose sheath fiber that affects the strength and appearance of the resultant yarn. To prevent this, a separation disc must be used. In order to enhance the capability of transferring twist from the revolving sliver in the cup to the coagulation tank, increase the strength of the sliver at the stripping point in the coagulation tank, reduce the end breakage rate and reduce the twist of the finished yarn, the twist-resisting device is arranged in the revolving cup of the spinning device.

At present, although a separation disc and a twist blocker are adopted in the spinning rotor to improve the spinning quality, the fiber surface is easy to have fluffing under the condition of high-speed rotation because a gap between the separation disc and the rotor body is larger, and even the fiber is scraped due to increased shearing force, so that the spinning quality is directly influenced; secondly, the rotating balance of the spinning rotor is poor, and particularly under the condition of long-time high-speed rotation, the spinning rotor can obviously swing, so that the actual service life of the spinning rotor is influenced, and the spinning efficiency is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell spinning rotor exists, provide a reasonable in design, simple structure, rotate the equilibrium better, life is longer and be favorable to improving the spinning quality and the efficiency be used for open-end spinning device's spinning rotor.

In order to achieve the above object, the present invention adopts the technical solution that the spinning rotor for an air spinning device comprises a cup body, wherein a sliding surface is arranged inside the cup body, a condensation groove is arranged at the end of the sliding surface, a mandrel hole is arranged at the end of the cup body, the cup body comprises a first cis-cone portion, a second cis-cone portion, a horizontal portion, an inverted cone portion and a straight shaft portion which are integrally formed, a generatrix of a conical surface of the first cis-cone portion is an arc line, the center of the arc line faces the center shaft of the cup body, a curved surface sink groove which is circumferentially distributed around the first cis-cone portion is arranged on the inner wall of the first cis-cone portion, an annular lining is arranged in the curved surface sink groove, the lining comprises an inner ring portion, a raised ring portion is arranged on the outer edge of the inner ring portion, a plurality of uniformly distributed through holes are arranged on the raised ring portion, and an outer edge of the raised ring portion is provided with an outer ring portion which is bent and extends downwards, the outer ring portion is connected with first in the same direction as the pyramis, the outside of obconical portion is provided with a plurality of balance holes, it is provided with the balance weight to rotate in the balance hole, the outside of straight shank portion is provided with the support annular of a plurality of axial distributions.

Preferably, two funnel surfaces are arranged in the inverted cone, the two funnel surfaces comprise a first funnel surface and a second funnel surface, and the caliber of the second funnel surface is smaller than that of the first funnel surface.

Preferably, the inner wall of the second funnel surface is provided with a sealing ring groove, and the sealing ring groove is used for placing a sealing ring.

Preferably, the groove section of the supporting ring groove is an isosceles trapezoid surface.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model provides a spinning rotor for open-end spinning device reduces unnecessary negative pressure clearance through adopting the inside lining can be as the linking structure of cup and separation disc, is favorable to reducing the probability of fibre broken end, and the first cis-conical section has adopted the cambered surface design can improve the efficiency that the fibre got into the coacervation tank, is favorable to improving the quality and the efficiency of spinning; the design of utilizing balance weight and support annular can improve the rotation equilibrium nature of this device, not only can improve the spinning quality, can also effectively prolong the actual life of this device. The device has the advantages of reasonable design, simple structure, better rotation balance, longer service life, and contribution to improving the spinning quality and efficiency, and is suitable for large-scale popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a cross-sectional view of a spinning rotor for an open-end spinning apparatus provided in an embodiment;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to an embodiment;

in the above figures, 1 is a cup body; 11. a first compliant cone portion; 111. sinking a groove on a curved surface; 12. a second compliant cone portion; 13. a horizontal portion; 14. an inverted cone; 141. a first funnel surface; 142. a second funnel surface; 143. sealing the ring groove; 15. a straight shaft portion; 151. a support ring groove; 2. a slip surface; 3. a coagulation tank; 4. a mandrel aperture; 5. a liner; 51. an inner ring portion; 52. a raised ring portion; 521. a through hole; 53. an outer ring portion; 6. and balancing the weight.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1 and 2, the utility model provides a spinning rotor for open-end spinning device, including cup 1, the inside of cup 1 is provided with glide plane 2, and the end of glide plane 2 is provided with coacervation groove 3, and the end of cup 1 is provided with arbor hole 4. The slip surface 2, the condensation groove 3 and the mandrel hole 4 are prior art, and the description of this embodiment is omitted. On the basis, the cup body 1 provided by the utility model comprises a first cis-coning part 11 and a second cis-coning part 12 which are integrally formed, horizontal part 13, inverted cone part 14 and straight shaft part 15, the conical surface generating line of first cis-cone part 11 is the pitch arc and its pitch arc center is towards the well axle center of cup 1, the inner wall of first cis-cone part 11 is provided with along its circumference distribution round curved surface heavy groove 111, be provided with annular inside lining 5 in the curved surface heavy groove 111, inside lining 5 includes inner ring portion 51, the outer fringe of inner ring portion 51 is provided with protruding collar portion 52, be provided with a plurality of evenly distributed's through-hole 521 on the protruding collar portion 52, the outer fringe of protruding collar portion 52 is provided with the outer loop portion 53 of bending extension downwards, outer loop portion 53 is connected with first cis-cone part 11, the outside of inverted cone part 14 is provided with a plurality of balancing holes, the rotation is provided with balance weight 6 in the balancing hole, the outside of straight shaft part is provided with a plurality of axial distribution's support annular 151.

In the device, the inner ring part 51 of the lining 5 is used for being in direct contact with the bottom surface or the side surface of the isolation disc of the spinning equipment, the raised ring part 52 of the lining 5 can facilitate the lining 5 to generate certain deformation effect according to the installation condition of the isolation disc, unnecessary negative pressure clearance can be reduced by adopting the lining 5 as a connection structure of the cup body 1 and the isolation disc, the probability of fiber breakage is favorably reduced, and the design of the through hole can ensure that the inside of the cup body 1 always has stable negative pressure condition or air exhaust condition, thereby ensuring continuous and stable output of yarns. Meanwhile, the first cis-conical part 11 adopts the cambered surface design, so that the efficiency of the fibers entering the coagulation tank 3 can be improved, and the spinning quality and efficiency can be improved. Further, the utility model provides a balance weight 6's quality and length can carry out nimble selection as required according to the balance, and support annular 151 can with the bearing structure phase-match of spinning equipment, improve the rotation equilibrium of this device in the aspect of just so adjusting from the balance with supporting the regulation, not only can improve the spinning quality, can also effectively prolong the actual life of this device.

In order to improve the spinning efficiency of this device, the utility model discloses be provided with two funnel faces in the inside of back taper portion, two funnel faces include first funnel face 141 and second funnel face 142, and the bore of second funnel face 142 is less than first funnel face 141's bore. The center of funnel face is used for installing and hinders the ware of twisting, can constitute the support that hinders the ware like this, can make the yarn that becomes twisting again and draw forth from the trompil department of cup 1, and the design of two funnel faces can avoid the yarn to appear because of the rotational speed is too fast the condition that appears overlapping or fold the head in addition, and then guarantees the high efficiency of whole spinning production.

Further, the utility model discloses inner wall at second funnel face 142 is provided with seal ring groove 143, and seal ring groove 143 is used for placing the sealing ring, can effectively improve the fibrous output efficiency of spinning through guaranteeing second funnel face 142 and hindering the cooperation leakproofness of twisting the ware like this.

In order to improve the high-speed rotational stability of this device, the utility model provides a support ring groove 151's groove section is the isosceles trapezoid face, and its groove face has sufficient area of contact with spinning equipment's ring body bearing structure, and isosceles trapezoid's waist can make ring body bearing structure provide centripetal support counter-force to this device moreover to guarantee that this device has higher rotation equilibrium nature.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A spinning rotor for an air spinning device comprises a cup body, wherein a sliding surface is arranged inside the cup body, a condensation groove is arranged at the tail end of the sliding surface, a core shaft hole is formed at the tail end of the cup body, and the spinning rotor is characterized in that the cup body comprises a first conical portion, a second conical portion, a horizontal portion, a reverse conical portion and a straight shaft portion which are integrally formed, a conical generatrix of the first conical portion is an arc line, the center of the arc line faces the center shaft of the cup body, a curved surface sink groove which is circumferentially distributed in a circle is formed in the inner wall of the first conical portion, an annular lining is arranged in the curved surface sink groove and comprises an inner ring portion, a raised ring portion is arranged on the outer edge of the raised ring portion, a plurality of through holes are uniformly distributed in the raised ring portion, an outer ring portion which bends and extends downwards is arranged on the outer edge of the raised ring portion, and the outer ring portion is connected with the first conical portion, the outside of inverse cone portion is provided with a plurality of balance holes, the rotation is provided with the balance weight in the balance hole, the outside of straight shank portion is provided with a plurality of axially distributed's support annular.

2. The spinning rotor for an open-end spinning device of claim 1, wherein the interior of the inverted cone portion is provided with two funnel surfaces, the two funnel surfaces including a first funnel surface and a second funnel surface, the second funnel surface having a smaller caliber than the first funnel surface.

3. A spinning rotor for an open-end spinning device according to claim 2, characterised in that the inner wall of the second funnel surface is provided with a sealing ring groove for receiving a sealing ring.

4. A spinning rotor for an open-end spinning apparatus according to claim 3, characterised in that the groove cross section of the support ring groove is an isosceles trapezoid.