CN216039964U

CN216039964U - High-elasticity PP cotton

Info

Publication number: CN216039964U
Application number: CN202122207223.3U
Authority: CN
Inventors: 马英俊
Original assignee: Hangzhou China Home Textiles Industry Co ltd
Current assignee: Hangzhou China Home Textiles Industry Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-15
Anticipated expiration: 2031-09-13

Abstract

The utility model discloses a manufacturing process of high-elasticity PP cotton and the high-elasticity PP cotton produced by the same, and the processing steps are as follows: respectively heating and melting a terylene raw material and a chinlon raw material; respectively filtering the fused terylene raw material and the chinlon raw material; respectively putting the filtered terylene raw material and the chinlon raw material into a metering pump for quantitative material taking; respectively feeding the terylene raw material and the chinlon raw material which are taken quantitatively into a spinneret plate and converging at a filament outlet panel of the spinneret plate; each group of the merged terylene material and the chinlon material form an integral fiber through heat setting and hot pressing adhesion; perforating the formed integral fiber through a perforating wire to form a through hole; forming a concave part by the whole fiber after the through hole is formed through a shaping wire capable of extending out of the salient point; the integral fiber forming the concave part passes through the molding sleeve capable of extending out the convex strip to form the air duct. Has the following beneficial effects: the elastic recovery rate of compression is high, the stress intensity of the product is large, and after multiple times of compression and washing, the elastic recovery rate and the filling power are unchanged.

Description

High-elasticity PP cotton

Technical Field

The utility model relates to the technical field of PP cotton manufacturing applied to bedding, in particular to high-elasticity PP cotton.

Background

The existing PP cotton has general structural strength, and after the PP cotton is used for a long time, the PP cotton can collapse and deform. Meanwhile, when the traditional PP cotton is used, the comfort is not high, and better experience cannot be brought to a user.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

To above current PP cotton's structural strength general, after the live time is longer, just can appear collapsing the condition of warping to and traditional PP cotton when using, the comfort is not high, can not bring the problem of better experience for the user, this application provides the cotton manufacturing process of high elasticity PP and the PP of manufacturing cotton.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the high-elasticity PP cotton is produced by applying the manufacturing process of the high-elasticity PP cotton, and comprises the following steps: a first composite strip and a second composite strip; the first composite strip is adhered to the second composite strip through hot pressing to form an integral fiber; a through hole is formed at the joint of the first composite strip and the second composite strip; the through hole wall is formed with a plurality of recesses for storing essential oil.

Further, the depth value range of the concave part is more than or equal to 1cm and less than or equal to 2 cm; the diameter range of the concave part is more than or equal to 0.5cm and less than or equal to 0.8 cm.

Further, the periphery of the integral fiber is formed with a plurality of air ducts extending in the extending direction of the integral fiber for ventilation.

Further, the depth value range of the air duct is more than or equal to 10cm and less than or equal to 15 cm.

Further, the first composite strip is made of terylene; the second composite strip is made of nylon.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) the high-elasticity PP cotton produced by the manufacturing process of the high-elasticity PP cotton provided by the embodiment of the application has high compression elastic recovery rate and high product stress intensity, and the elastic recovery rate and the filling power are unchanged after multiple times of compression and washing. Meanwhile, the high-elasticity PP cotton produced by the manufacturing process of the high-elasticity PP cotton has better ventilation and air permeability, can store essential oil for a long time, and is more comfortable for a user to use and better in experience.

Drawings

FIG. 1 is a schematic structural diagram of a high elasticity PP cotton according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the high elasticity PP cotton according to the embodiment of the present invention.

The high-elasticity PP cotton comprises high-elasticity PP cotton 1, a first composite strip 11, a second composite strip 12, a through hole 13, a concave part 14 and an air duct 15.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.

Example 1

The utility model provides a process for manufacturing high-elasticity PP cotton, which uses two raw materials of terylene and chinlon, wherein the use ratio of the two raw materials is 1:1 during processing, and the processing steps are as follows:

firstly, respectively feeding a terylene raw material and a chinlon raw material into a screw extruder for heating and melting, so that the terylene raw material and the chinlon raw material are both in a molding state.

And secondly, respectively putting the fused terylene raw material and the chinlon raw material into a spinning box for filtering to filter out impurities in the terylene raw material and the chinlon raw material.

And thirdly, respectively putting the terylene raw material and the chinlon raw material filtered by the spinning box into a metering pump for quantitative material taking, thus strictly controlling the proportion of the terylene raw material and the chinlon raw material, keeping the usage amount of the terylene raw material and the chinlon raw material at 1:1, and simultaneously controlling the content of the terylene and the chinlon of each finished PP cotton product, so that the usage amount of the terylene and the chinlon raw material is in a certain range, and further ensuring that the finished PP cotton product has stable structural strength, stronger stress and can bear larger pressure and tension.

And fourthly, respectively feeding the terylene raw material and the chinlon raw material which are quantitatively taken into a spinneret plate and converging the terylene raw material and the chinlon raw material at a filament outlet panel of the spinneret plate. The spinneret plate is provided with 1500 groups of terylene spinning branches and 1500 groups of chinlon spinning branches which correspond to the 1500 groups of terylene spinning branches one by one, and the terylene raw materials and the chinlon raw materials in one corresponding terylene spinning branch and one chinlon spinning branch are converged at the position of the filament outlet panel. Thus, each finished PP cotton product is composed of quantitative terylene and chinlon.

Fifthly, adhering each group of the converged terylene raw materials and the chinlon raw materials through heat setting and hot pressing to form an integral fiber.

And sixthly, perforating the formed integral fiber through a perforating wire to form a through hole so as to improve the elasticity of the integral fiber. The perforated filaments pass through the center of the monolithic fiber.

Seventhly, enabling the whole fiber with the through hole to pass through a shaping wire capable of extending out of the salient point to form a concave part, so that essential oil can be stored in the concave part for a long time, the use comfort level is improved, and sleeping is facilitated; the shaping wire also passes through the through hole in the center of the integral fiber, and then the salient point is extended out so that the inner wall of the through hole forms a concave part.

And eighthly, forming an air duct by the integral fiber forming the concave part through a molding sleeve capable of extending out the convex strip, so that the ventilation and the air permeability of the integral fiber are improved.

And step nine, cooling and molding the integral fiber forming the air duct by a cooling device to form a permanent three-dimensional molded body, so that the permanent elastic recovery capability is achieved. The whole fiber is composed of two materials, and natural curling can occur due to inconsistent shrinkage rate of the two materials at the same temperature, so that the whole fiber has certain bulkiness and higher use comfort.

And step ten, after the integral fiber forming the permanent three-dimensional body is wound, drawn and curled, injecting essential oil into the concave part through an oil injection device. The essential oil is stored in the concave part and is not easy to run off. During drafting, the work of stretching tension is partially converted into the thermal motion of molecules, so that the whole fiber is heated to play a plasticizing role, and the stretching effect is completed.

And step ten, cutting the integral fiber injected with the essential oil to form integral fiber sections with required sizes. And after the essential oil is volatilized, the whole fiber section can be subjected to oil injection again through the oil injection equipment.

As a preferred embodiment, the heat setting is performed by a heat setting machine; the setting temperature range of the heat setting machine is 145-155 ℃. Further, the setting time of the heat setting machine was 13 minutes.

As a preferred embodiment, the cooling device performs cooling forming by circular blowing; the air speed of the circular blowing is 4.5-6 m/s. Further, the air temperature of the circular blowing air is 16-23 ℃.

The high-elasticity PP cotton processed by the process has high compression elastic recovery rate and large product stress strength, the elastic recovery rate and the filling power are unchanged after multiple times of compression and washing, fibers are not easy to break, and the three-dimensional spiral structure is stable. Meanwhile, the high-elasticity PP cotton produced by the manufacturing process of the high-elasticity PP cotton has better ventilation and air permeability, can store essential oil for a long time, and is more comfortable for a user to use and better in experience.

As shown in fig. 1 and 2, the high elasticity PP cotton 1 produced by the above process for producing high elasticity PP cotton has the following structure: a first composite strip 11 and a second composite strip 12. The first composite strip 11 is attached to the second composite strip 12 by hot pressing to form an integral fiber. Through holes 13 are formed at the joints of the first composite strips 11 and the second composite strips 12 to improve the elasticity of the high-elasticity PP cotton. The inner wall of the through-hole 13 is formed with a plurality of recesses 14 for storing essential oil.

In a preferred embodiment, the depth value of the concave portion 14 ranges from 1cm to 2 cm. The diameter of the recess 14 is 0.5cm or more and 0.8cm or less. Thus, the elastic recovery rate and the support property of the high-elasticity PP cotton are not influenced.

In one embodiment, the outer periphery of the unitary fiber is formed with a plurality of air channels 15. The air duct 15 extends in the direction of elongation of the entire fiber, thereby enabling ventilation.

In a preferred embodiment, the depth of the air duct 15 is greater than or equal to 10cm and less than or equal to 15 cm. Thus, the elastic recovery rate and the support property of the high-elasticity PP cotton are not influenced.

As a specific embodiment, the first composite strip 11 is made of dacron. The second composite strip 12 is made of nylon.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. High elasticity PP cotton, characterized by comprising: a first composite strip and a second composite strip; the first composite strip is adhered to the second composite strip through hot pressing to form an integral fiber; a through hole is formed at the joint of the first composite strip and the second composite strip; the through hole wall is formed with a plurality of recesses for storing essential oil.

2. The high elasticity PP cotton of claim 1,

the depth value range of the concave part is more than or equal to 1cm and less than or equal to 2 cm; the diameter range of the concave part is more than or equal to 0.5cm and less than or equal to 0.8 cm.

3. The high elasticity PP cotton of claim 1,

and a plurality of air ducts extending along the extension direction of the integral fibers and used for ventilation are formed on the periphery of the integral fibers.

4. The high elasticity PP cotton of claim 3,

the depth value range of the air duct is more than or equal to 10cm and less than or equal to 15 cm.

5. The high elasticity PP cotton of claim 1,

the first composite strip is made of terylene; the second composite strip is made of nylon.