CN220520727U

CN220520727U - Impurity-preventing back-suction structure for carding cavity of rotor spinning box

Info

Publication number: CN220520727U
Application number: CN202321888319.3U
Authority: CN
Inventors: 焉瑞安
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-02-23
Anticipated expiration: 2033-07-18

Abstract

The utility model belongs to the technical field of spinning equipment, and particularly relates to a foreign matter back suction prevention structure of a carding cavity of a rotor spinning box, which comprises a spinning box shell, wherein a carding cavity and a cotton feeding unit are arranged on the spinning box shell, the carding cavity is communicated with the cotton feeding unit, a carding part is arranged in the carding cavity, a cotton feeding part is arranged in the cotton feeding unit, the carding part and the cotton feeding part rotate in the same direction, the carding cavity is also communicated with an air supply port, the air supply port and the cotton feeding unit are respectively positioned at two sides of the carding cavity, a foreign matter falling channel is arranged between the air supply port and the cotton feeding unit, the foreign matter falling channel is communicated with the carding cavity, the foreign matter falling channel comprises a first side wall and a second side wall, and one end of the first side wall, which is close to the carding cavity, is fixedly connected with the foreign matter back suction prevention part. The utility model can prevent impurities from returning into the carding cavity, thereby improving the yield of spinning finished products.

Description

Impurity-preventing back-suction structure for carding cavity of rotor spinning box

Technical Field

The utility model belongs to the technical field of spinning equipment, and particularly relates to a trash back suction preventing structure of a carding cavity of a rotor spinning box.

Background

When high temperature and high humidity are used for spinning cotton with high sugar content and high impurity content on a full-automatic rotor spinning machine, serious chain-shaped impurity problems are easily faced, because impurities and the like are thrown down by centrifugal force generated by carding cotton by a carding roller, but the impurities and the like are extremely easy to adhere to the surface of a impurity falling channel of a carding cavity due to high sugar content and impurity content of raw materials, and then the impurities and the like are sucked back to the carding cavity due to the effect of air supplement of the impurity falling channel in the carding cavity. The chain impurities not only can cause broken ends to influence the running efficiency of the machine, but also can influence the quality of spinning finished products.

Therefore, there is a need to design a structure for preventing the foreign matters from being sucked back in the carding cavity of the rotor spinning box so as to solve the above problems.

Disclosure of Invention

The utility model aims to provide a foreign-matter-back-suction-preventing structure for a carding cavity of a rotor spinning box, so as to solve the problems and achieve the aim of improving spinning yield.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a rotor spinning case divides comb cavity to prevent miscellaneous structure that sucks back, includes spinning case casing, offer on the spinning case casing and divide comb chamber and feed cotton unit, divide comb chamber with feed cotton unit intercommunication, it is provided with and divides comb portion to divide the comb intracavity, it is provided with and feeds cotton portion to feed cotton unit in, divide comb portion with it is the same to feed cotton portion rotation direction, it has the air supply mouth to divide comb chamber still to communicate, the air supply mouth with feed cotton unit and be located respectively divide comb chamber both sides, the air supply mouth with it falls miscellaneous passageway to be provided with between the cotton unit to feed, fall miscellaneous passageway with divide comb chamber intercommunication, it includes first lateral wall, second lateral wall to fall miscellaneous passageway, first lateral wall is close to divide the one end fixedly connected with of comb chamber and prevent miscellaneous portion that sucks back.

Preferably, the anti-impurity back suction part comprises an anti-impurity circular protrusion, and the anti-impurity circular protrusion is fixedly connected with one end of the first side wall, which is close to the carding cavity.

Preferably, the carding part comprises a carding roller head, and the carding roller head is coaxially and rotatably arranged in the carding cavity.

Preferably, the cotton feeding part comprises a cotton feeding roller, the cotton feeding roller is rotatably arranged in the cotton feeding unit, and the rotation direction of the cotton feeding roller is the same as that of the roller head of the carding roller.

Preferably, the air supply port is communicated with one end of an air supply channel, and the other end of the air supply channel is communicated with the carding cavity.

Preferably, the carding cavity is communicated with a fiber conveying channel.

Compared with the prior art, the utility model has the following advantages and technical effects:

according to the utility model, the impurity-preventing and sucking-back part arranged on the first side wall of the impurity-falling channel can block the sucking-back path of the adhered impurities, so that the impurities are prevented from being sucked back into the carding cavity to form chain-shaped impurities, and the yield of spinning finished products is improved.

Drawings

For a clearer description of an embodiment of the utility model or of the solutions of the prior art, the drawings that are needed in the embodiment will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is an isometric view of a prior art structure;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is an isometric view of the structure of the present utility model;

FIG. 5 is a schematic diagram of a second embodiment of the present utility model;

fig. 6 is an isometric view of a second embodiment of the present utility model.

1, a spinning box shell; 2. carding cavity; 3. a cotton feeding unit; 4. air supplementing port; 5. an air supplementing channel; 6. a fiber conveying channel; 7. carding roller head; 8. a cotton feeding roller; 9. a impurity falling channel; 901. a first sidewall; 902. a second sidewall; 10. anti-impurity round convex; 11. impurity-proof filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Embodiment one:

referring to fig. 1-4, this embodiment provides a rotor spinning case carding cavity anti-impurity back-sucking structure, including spinning case casing 1, carding cavity 2 and cotton feeding unit 3 have been seted up on the spinning case casing 1, carding cavity 2 and cotton feeding unit 3 intercommunication, be provided with in the carding cavity 2 and divide the comb portion, be provided with in the cotton feeding unit 3 and feed cotton portion, it is the same with cotton portion rotation direction to divide the comb portion, it has air make-up mouth 4 still to divide comb cavity 2 intercommunication, air make-up mouth 4 and cotton feeding unit 3 are located respectively and divide comb cavity 2 both sides, be provided with miscellaneous passageway 9 that falls between air make-up mouth 4 and the cotton feeding unit 3, miscellaneous passageway 9 that falls communicates with carding cavity 2, miscellaneous passageway 9 that falls includes first lateral wall 901, second lateral wall 902, the one end fixedly connected with that first lateral wall 901 is close to carding cavity 2 prevents miscellaneous back-sucking portion.

Further optimizing scheme, prevent miscellaneous back suction portion includes preventing miscellaneous protruding 10, prevents miscellaneous protruding 10 and the one end fixed connection that is close to carding chamber 2 of first lateral wall 901.

Return air returns to the carding cavity 2 along the first side wall 901, and the impurity-preventing round protrusions 10 can prevent impurities carried in the return air from entering the carding cavity 2, so that the yield of spinning finished products is improved.

Further optimizing scheme, the carding part comprises a carding roller head 7, and the carding roller head 7 is coaxially and rotatably arranged in the carding cavity 2.

The carding roller head 7 rotates to carry out carding treatment on the raw materials to obtain an intermediate product, and the intermediate product flows into the next working procedure.

Further optimizing scheme, the cotton feeding part comprises a cotton feeding roller 8, the cotton feeding roller 8 is rotatably arranged in the cotton feeding unit 3, and the rotation direction of the cotton feeding roller 8 is the same as that of the carding roller head 7.

The cotton feeding roller 8 rotates to feed the raw materials into the carding cavity 2.

Further optimizing scheme, the air supplementing port 4 is communicated with one end of an air supplementing channel 5, and the other end of the air supplementing channel 5 is communicated with the carding cavity 2.

The air supplementing port 4 supplements air quantity to the carding cavity 2 through the air supplementing channel 5.

In a further optimized scheme, the carding cavity 2 is communicated with a fiber conveying channel 6.

The intermediate product flows into the next process through the fiber conveying channel 6.

Embodiment two:

referring to fig. 5 to 6, the difference between the present embodiment and the first embodiment is that the anti-impurity suck-back portion includes an anti-impurity filter screen 11, and the anti-impurity filter screen 11 is fixedly connected with one end of the first side wall 901, which is close to the carding cavity 2. The impurity preventing filter screen 11 in this embodiment can prevent the backflow of impurities and can also increase the passing rate of return air.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The utility model provides a rotor spinning case divides comb cavity to prevent miscellaneous structure that returns, its characterized in that, including spinning case casing (1), it divides comb chamber (2) and feeds cotton unit (3) to offer on spinning case casing (1), divide comb chamber (2) with feed cotton unit (3) intercommunication, it divides comb portion to be provided with in comb chamber (2), it feeds cotton portion to be provided with in cotton unit (3) to feed, divide comb portion with it is the same to feed cotton portion rotation direction, it has air supplement mouth (4) to divide comb chamber (2) still to communicate, air supplement mouth (4) with feed cotton unit (3) and be located respectively divide comb chamber (2) both sides, air supplement mouth (4) with be provided with between cotton unit (3) and fall miscellaneous passageway (9), it divides comb chamber (2) intercommunication to fall miscellaneous passageway (9) include first lateral wall 901), second lateral wall (902), first lateral wall (901) are close to comb chamber (2) and are connected with one end that prevents that the miscellaneous portion is connected.

2. The rotor spinning box carding cavity impurity-back-suction prevention structure according to claim 1, wherein the impurity-back-suction prevention part comprises an impurity-preventing circular protrusion (10), and the impurity-preventing circular protrusion (10) is fixedly connected with one end of the first side wall (901) close to the carding cavity (2).

3. The rotor spinning box carding cavity anti-trash back suction structure according to claim 1, wherein the carding part comprises a carding roller head (7), and the carding roller head (7) is coaxially and rotatably arranged in the carding cavity (2).

4. A rotor spinning box carding cavity anti-trash back suction structure according to claim 3, characterized in that the cotton feeding part comprises a cotton feeding roller (8), the cotton feeding roller (8) is rotatably arranged in the cotton feeding unit (3), and the rotation direction of the cotton feeding roller (8) is the same as that of the carding roller head (7).

5. The rotor spinning box carding cavity anti-trash back suction structure according to claim 1, wherein the air supplementing port (4) is communicated with one end of an air supplementing channel (5), and the other end of the air supplementing channel (5) is communicated with the carding cavity (2).

6. The rotor spinning box carding cavity anti-trash back suction structure according to claim 1, wherein the carding cavity (2) is communicated with a fiber conveying channel (6).