阅读说明：本技术 一种提高棉质纱线韧性的抓棉装置 (Cotton grabbing device for improving toughness of cotton yarns ) 是由 李汉利 杨祖民 李超 李汉顺 李希学 李正宁 王育新 孟菲 于 2020-04-22 设计创作，主要内容包括：一种提高棉质纱线韧性的抓棉装置,包括一圆柱形式的原料仓,在原料仓的中部设有一旋转轴,在原料仓的外侧设有一旋转轨道,在旋转轴和旋转轨道之间抓棉机本体；所述抓棉机本体包括旋转机架,所述旋转机架的一侧滑动安装在旋转轨道上,旋转机架远离旋转轨道的一侧与旋转轴活动相连；所述旋转机架上包括打散吸附机构,在打散吸附机构的上部设有一增强剂输入口。本申请通过设置原料仓以及与之配合设置的旋转轴和旋转轨道,为抓棉机本体提供了一个可以围绕原料仓旋转工作的空间,而通过设置增强剂输入口可以在棉花最为蓬松的阶段,将增强剂附着到棉质纤维上,从而提高棉质纤维的物理性能。(A cotton grabbing device for improving the toughness of cotton yarns comprises a cylindrical raw material bin, a rotating shaft is arranged in the middle of the raw material bin, a rotating track is arranged on the outer side of the raw material bin, and a cotton grabbing machine body is arranged between the rotating shaft and the rotating track; the cotton grabbing machine body comprises a rotating rack, one side of the rotating rack is slidably mounted on a rotating track, and one side, far away from the rotating track, of the rotating rack is movably connected with a rotating shaft; the rotary frame comprises a scattering adsorption mechanism, and the upper part of the scattering adsorption mechanism is provided with an enhancer input port. This application is through setting up former feed bin and the rotation axis and the rotation orbit that sets up with it cooperation, for the bale plucker body provides one can be around the space of former feed bin rotation work, and can be in cotton fluffy stage through setting up the reinforcing agent input port, adhere to the reinforcing agent on the cotton fiber to improve cotton fiber's physical properties.)

1. The utility model provides an improve cotton yarn toughness's bale plucker which characterized in that: the cotton plucker comprises a cylindrical raw material bin, a rotating shaft is arranged in the middle of the raw material bin, a rotating track is arranged on the outer side of the raw material bin, and a cotton plucker body is arranged between the rotating shaft and the rotating track; the cotton grabbing machine body comprises a rotating rack, one side of the rotating rack is slidably mounted on a rotating track, and one side, far away from the rotating track, of the rotating rack is movably connected with a rotating shaft; the rotary frame comprises a scattering adsorption mechanism, and the upper part of the scattering adsorption mechanism is provided with an enhancer input port.

2. The cotton grabbing device for improving the toughness of cotton yarns according to claim 1, wherein the cotton grabbing device comprises: the reinforcing agent input port comprises an annular liquid cavity, a plurality of compressed nitrogen output ports are respectively arranged above and below the annular liquid cavity along the flowing direction of the cotton fibers, and the compressed nitrogen output ports above and below are respectively and uniformly distributed around the annular liquid cavity.

3. The cotton grabbing device for improving the toughness of cotton yarns as claimed in claim 2, wherein: the annular liquid cavity is provided with a plurality of nozzles, and the direction of the nozzles is obliquely arranged in a direction oblique to the flowing direction of the cotton fibers; the number of the compressed nitrogen outlets is not less than 8.

4. The cotton grabbing device for improving the toughness of cotton yarns according to claim 1, wherein the cotton grabbing device comprises: the scattering and adsorbing mechanism comprises an outer transmission pipeline, the bottom of the outer transmission pipeline is provided with a telescopic part, and a scattering cavity is arranged below the telescopic part.

5. The cotton grabbing device for improving the toughness of the cotton yarns as claimed in claim 4, wherein: the scattering cavity comprises an adsorption cavity arranged towards the raw material bin, and a plurality of scattering mechanisms are arranged in the middle of the adsorption cavity.

6. The cotton grabbing device for improving the toughness of cotton yarns as claimed in claim 5, wherein: the scattering mechanism comprises a scattering shaft, the scattering shaft is in power connection with a scattering motor, and a plurality of blades which are obliquely arranged are arranged on the scattering shaft.

7. The cotton grabbing device for improving the toughness of cotton yarns as claimed in claim 6, wherein: the blade comprises a blade substrate, wherein a plurality of protruding pieces are arranged on the blade substrate, and the protruding pieces and the blade substrate are arranged in a staggered mode; the angle between the tabs and the vanes is 30-65 deg..

8. The cotton grabbing device for improving the toughness of the cotton yarns as claimed in claim 4, wherein: the telescopic part comprises a lower sleeve and an upper sleeve, the lower sleeve extends into the upper sleeve, and the upper sleeve is movably connected with the lower sleeve in a sealing mode.

9. The cotton grabbing device for improving the toughness of the cotton yarns as claimed in claim 8, wherein: a plurality of V-shaped sealing strips are wound on the outer side of the upper sleeve and arranged in parallel.

10. The cotton grabbing device for improving the toughness of cotton yarns as claimed in claim 2, wherein: the reinforcing agent cavity is arranged on the rotary frame and is communicated with the annular liquid cavity after being pressurized by the reinforcing agent pump; the increaser comprises the following components in parts by weight: the reinforcing agent is a water-based solution and comprises the following components in parts by weight: vinyl acetate: 10-15 parts; acrylic acid: 7-12 parts; the beverage also comprises 25-30 parts of ethanol and water by mass; the mass portion of the water is 40-50; the polymerization inhibitor comprises 0.2-0.5 part by weight; the polymerization inhibitor is hydroxyanisole; mixing the above materials, placing into a high-speed shearing machine, and immediately spraying onto the surface of cotton fiber; the cotton fibres are subjected to a water-based solvent spray at an operating temperature of 60-75 ℃ and are maintained at said operating temperature for at least 45s after spraying.

Technical Field

The application relates to a cotton grabbing device for improving toughness of cotton yarns.

Background

The opening and picking process is used as the first process of the spinning process flow and comprises the following steps of opening, namely opening the blocky fibers compressed in the cotton bale into small cotton blocks or small cotton bundles; removing impurities, namely removing 50-60% of impurities in the raw cotton; mixing, namely fully mixing various raw materials according to the proportion of cotton; coiling to obtain uniform cotton roll with certain weight and length for the next process. The individual steps are essentially performed by known devices, for example, opening is usually performed by a bale plucker, so that the bale of cotton fibers can be grabbed into a mass of fibers and the mass of cotton fibers can be loosened into a more fluffy state. At present, the pretreatment process is generally regarded as a pretreatment stage of the yarn, and is not fully applied to improve the relevant properties of the yarn.

Disclosure of Invention

In order to solve the problems, the application provides a cotton grabbing device for improving the toughness of cotton yarns, which comprises a cylindrical raw material bin, wherein a rotating shaft is arranged in the middle of the raw material bin, a rotating track is arranged on the outer side of the raw material bin, and a cotton grabbing machine body is arranged between the rotating shaft and the rotating track; the cotton grabbing machine body comprises a rotating rack, one side of the rotating rack is slidably mounted on a rotating track, and one side, far away from the rotating track, of the rotating rack is movably connected with a rotating shaft; the rotary frame comprises a scattering adsorption mechanism, and the upper part of the scattering adsorption mechanism is provided with an enhancer input port. This application is through setting up former feed bin and the rotation axis and the rotation orbit that sets up with it cooperation, for the bale plucker body provides one can be around the space of former feed bin rotation work, and can be in cotton fluffy stage through setting up the reinforcing agent input port, adhere to the reinforcing agent on the cotton fiber to improve cotton fiber's physical properties.

Preferably, the reinforcing agent input port comprises an annular liquid cavity, a plurality of compressed nitrogen output ports are respectively arranged above and below the annular liquid cavity along the flowing direction of the cotton fibers, and the compressed nitrogen output ports above and below are respectively and uniformly distributed around the annular liquid cavity.

Preferably, a plurality of nozzles are arranged on the annular liquid cavity, and the direction of the nozzles is obliquely arranged in a direction oblique to the flowing direction of the cotton fibers; the number of the compressed nitrogen outlets is not less than 8. The annular liquid cavity and the compressed nitrogen output ports arranged above and below the annular liquid cavity are arranged, so that the oxygen content is extremely low in a relatively closed space, and a low-oxygen space is provided for compounding the reinforcing agent; it should be noted that, since whether a low oxygen space or a high oxygen space is used depends on the nature of the enhancer, the compressed nitrogen delivery port is equivalent to the compressed oxygen delivery port in the case where high oxygen is required.

Preferably, the scattering and adsorbing mechanism comprises an external transmission pipeline, the bottom of the external transmission pipeline is provided with a telescopic part, and a scattering cavity is arranged below the telescopic part.

Preferably, break up the chamber and include the absorption chamber that sets up towards former feed bin, be equipped with a plurality of mechanisms of breaing up in the middle part in absorption chamber.

Preferably, the scattering mechanism comprises a scattering shaft, the scattering shaft is in power connection with a scattering motor, and a plurality of blades which are obliquely arranged are arranged on the scattering shaft.

Preferably, the blade comprises a blade substrate, a plurality of protruding pieces are arranged on the blade substrate, and the protruding pieces and the blade substrate are arranged in a staggered mode; the angle between the tabs and the vanes is 30-65 deg..

Preferably, the telescopic part comprises a lower sleeve and an upper sleeve, the lower sleeve extends into the upper sleeve, and the upper sleeve and the lower sleeve are movably connected in a sealing manner.

Preferably, a plurality of V-shaped sealing strips are wound on the outer side of the upper sleeve, and the V-shaped sealing strips are arranged in parallel.

Preferably, the rotating frame is provided with a reinforcing agent cavity, and the reinforcing agent cavity is communicated with the annular liquid cavity after being pressurized by a reinforcing agent pump; the increaser comprises the following components in parts by weight: the reinforcing agent is a water-based solution and comprises the following components in parts by weight: vinyl acetate: 10-15 parts; acrylic acid: 7-12 parts; the beverage also comprises 25-30 parts of ethanol and water by mass; the mass portion of the water is 40-50; the polymerization inhibitor comprises 0.2-0.5 part by weight; the polymerization inhibitor is hydroxyanisole; mixing the above materials, placing into a high-speed shearing machine, and immediately spraying onto the surface of cotton fiber; the cotton fibres are subjected to a water-based solvent spray at an operating temperature of 60-75 ℃ and are maintained at said operating temperature for at least 45s after spraying. This application adopts vinyl acetate and acrylic acid as cotton fiber's additional material, form the net layer that another layer and cotton fiber formed zonulae occludens in the outside except cotton fiber, make when operations such as cotton fiber spinning, can strengthen the connection between the cotton fiber, thereby finally strengthen cotton fiber's toughness, the reinforcing agent of this application is suitable for and uses before spinning, so that the polymer organic matter that this application reinforcing agent obtained can coincide to cotton fiber inside from the molecule level, thereby produce relatively good effect, the reinforcing effect that plays to combining relatively inseparable cotton fiber is on the contrary relatively weak.

This application can bring following beneficial effect:

1. the cotton grabbing machine is provided with the raw material bin, the rotating shaft and the rotating track which are matched with the raw material bin, a space which can rotate around the raw material bin is provided for the cotton grabbing machine body, and the reinforcing agent can be attached to cotton fibers at the fluffest stage of cotton by arranging the reinforcing agent input port, so that the physical properties of the cotton fibers are improved;

2. the annular liquid cavity and the compressed nitrogen output ports arranged above and below the annular liquid cavity are arranged, so that the oxygen content is extremely low in a relatively closed space, and a low-oxygen space is provided for compounding the reinforcing agent; it should be noted that, because whether a low oxygen space or a high oxygen space is adopted depends on the nature of the enhancer, in a state that high oxygen is required, the compressed nitrogen output port is equal to the compressed oxygen output port;

3. this application adopts vinyl acetate and acrylic acid as cotton fiber's additional material, form the net layer that another layer and cotton fiber formed zonulae occludens in the outside except cotton fiber, make when operations such as cotton fiber spinning, can strengthen the connection between the cotton fiber, thereby finally strengthen cotton fiber's toughness, the reinforcing agent of this application is suitable for and uses before spinning, so that the polymer organic matter that this application reinforcing agent obtained can coincide to cotton fiber inside from the molecule level, thereby produce relatively good effect, the reinforcing effect that plays to combining relatively inseparable cotton fiber is on the contrary relatively weak.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic structural view of a nozzle portion;

FIG. 3 is a schematic structural view of a break-up adsorption mechanism;

fig. 4 is a schematic structural view of the expansion part.

Detailed Description

In order to clearly explain the technical features of the present invention, the present application will be explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in the drawings, the following detailed description is given by way of example in order to more clearly explain the overall concept of the present application.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In a first embodiment, as shown in fig. 1-4, a cotton plucking apparatus for improving tenacity of cotton yarn comprises a raw material bin 1 in the form of a cylinder, a rotary shaft 2 provided at the center of the raw material bin 1, a rotary rail 3 provided at the outer side of the raw material bin 1, a plucker body provided between the rotary shaft 2 and the rotary rail 3; the cotton grabbing machine body comprises a rotating rack 4, one side of the rotating rack 4 is slidably mounted on the rotating track 3, and one side, far away from the rotating track 3, of the rotating rack 4 is movably connected with the rotating shaft 2; the rotary frame 4 comprises a scattering adsorption mechanism 5, and an enhancer input port 6 is arranged at the upper part of the scattering adsorption mechanism 5. This application is through setting up former feed bin 1 and the rotation axis 2 and the rotation orbit 3 that sets up with it cooperation, for the bale plucker body provides one can be around the rotatory space of working of former feed bin 1, and can be in the fluffy stage of cotton most through setting up reinforcing agent input port 6, attach the reinforcing agent to cotton fibre to improve cotton fibre's physical properties. The reinforcing agent input port 6 comprises an annular liquid cavity 8, a plurality of compressed nitrogen output ports 7 are respectively arranged above and below the annular liquid cavity 8 along the flowing direction of the cotton fibers, and the compressed nitrogen output ports 7 above and below are respectively and uniformly distributed around the annular liquid cavity 8. A plurality of nozzles 9 are arranged on the annular liquid cavity 8, and the direction of the nozzles 9 is obliquely arranged in the direction of cotton fiber flowing; the number of the compressed nitrogen output ports 7 is not less than 8. According to the application, the annular liquid cavity 8 and the compressed nitrogen output ports 7 arranged above and below the annular liquid cavity are arranged, so that the oxygen content is extremely low in a relatively closed space, and a low-oxygen space is provided for compounding the reinforcing agent; it should be noted that, since whether a low oxygen space or a high oxygen space is used depends on the nature of the enhancer, the compressed nitrogen gas delivery outlet 7 of the present application is equivalent to a compressed oxygen gas delivery outlet in a state where high oxygen is required. The scattering adsorption mechanism 5 comprises an external transmission pipeline 10, the bottom of the external transmission pipeline 10 is provided with a telescopic part 11, and a scattering cavity 12 is arranged below the telescopic part 11. Break up chamber 12 and include the absorption chamber 13 towards former feed bin 1 setting, be equipped with a plurality of mechanisms 14 of breaing up in the middle part of absorbing chamber 13. The scattering mechanism 14 comprises a scattering shaft 15, the scattering shaft 15 is in power connection with a scattering motor, and a plurality of blades which are obliquely arranged are arranged on the scattering shaft 15. The blade comprises a blade substrate 16, wherein a plurality of protruding sheets 17 are arranged on the blade substrate 16, and the protruding sheets 17 and the blade substrate 16 are arranged in a staggered mode; the angle between the tabs 17 and the vanes is 30-65 deg.. The telescopic part 11 comprises a lower sleeve 18 and an upper sleeve 19, the lower sleeve 18 extends into the upper sleeve 19, and the upper sleeve 19 is movably connected with the lower sleeve 18 in a sealing manner. And a plurality of V-shaped sealing strips 20 are wound on the outer side of the upper sleeve 19, and the V-shaped sealing strips 20 are arranged in parallel. The reinforcing agent cavity is arranged on the rotary frame 4 and is communicated with the annular liquid cavity 8 after being pressurized by a reinforcing agent pump; the increaser comprises the following components in parts by weight: the reinforcing agent is common repairing agent, such as red oil.

During the use, the bale plucker body rotates around rotation axis 2, generally can set up on rotation track 3 and feed the tooth, then carry out the rotation operation through the mode of setting up the rotating electrical machines on rotatory frame 4, during the rotation, provide the negative pressure environment at former feed bin 1, also break up through breaking up mechanism 14 simultaneously, make the cotton can break up and then enter into outer pipeline 10, meanwhile, compressed nitrogen gas delivery outlet 7 provides compressed nitrogen gas, make in a relatively limited space, oxygen content is extremely low, thereby provide a low oxygen space for the shower nozzle spun liquid of reinforcing agent and polymerize, thereby the fibrous reinforcing operation of completion cotton relatively smoothly.

In a second embodiment, the effectiveness of the reinforcing agent specific to the present application is verified on the basis of the first embodiment, but the reinforcing agent of the present application can be replaced by other conventional cotton pulp:

the whole process of preparing the yarns from the raw material cotton is adopted, the effect that the raw materials of the formula can play is represented by representing the strength change of the yarns, and if no special description is provided, the parameters adopted in each process are the same.

The cotton is prepared into yarn according to the following steps:

1. cotton cleaning: the method comprises the following steps of cleaning impurities in cotton, opening the cotton bale for preliminary cleaning before the cotton bale enters a cotton cleaner, and removing obvious impurities and foreign matters. The cotton picker loosens the cotton bale into a free state for evacuation, and then mixing and impurity removal are carried out, so that the cotton is uniformly mixed, and the quality of the cotton yarn is ensured; the cotton grabbing device is adopted for cotton grabbing, the specific formula of the reinforcing agent is shown in table 1, all substances are put into a shearing machine to be mixed, and then are sprayed onto the surface of the fiber immediately, an ultraviolet lamp is arranged at a later position, and the illumination of the ultraviolet lamp is controlled to be 250 mu W/cm²(ii) a The operation temperature is a first temperature, and after spraying, the operation temperature is kept for a first time;

table 1:

2. carding cotton: carding raw cotton, carding the raw cotton into a single fiber state, improving the length and the orientation degree of cotton fibers, and then carding the cotton fibers into strips so as to facilitate the subsequent working procedures of drafting the strips and the like. The cotton carding process can further remove fiber defects such as uncleaned neps, impurities, short fiber and short velvet, the fibers are fully mixed, the uniformity is improved, cotton carding is carried out to obtain cotton rolls with certain weight, length, thickness and good appearance, and then the cotton rolls are drafted to obtain cotton slivers meeting the requirements. In the drafting process, the cotton sliver is thinned to a certain thickness, and the parallel straightness of the fiber is improved;

3. drawing: improving the uneven length and the segment of the cotton sliver, comprising four steps of merging, drafting, mixing and slivering. Combining 6 cotton slivers, elongating and thinning the cotton slivers to a specified weight, further improving the straightening parallelism of the fibers, further uniformly mixing the fibers by using the combination and the drafting, mixing the fibers on a drawing frame to prepare cooked slivers with good coil formation, and sequentially placing the cooked slivers in a sliver barrel for subsequent working procedure operation; drawing is carried out by adopting the device;

4. preparing roving: the method comprises the steps of drafting and twisting, wherein the drafted sliver is uniformly elongated and attenuated by drafting, fibers are further straightened and parallel, then proper twisting is carried out, the sliver has certain strength so as to facilitate roving winding and unwinding on a spinning machine in the next process, and the coarse sand is finally set to be 3g/10m for quantitative molding; example 4 spraying during the coarse sand preparation stage, specifically spraying before coarse sand drafting, and setting a chamber to control the ultraviolet lamp illumination at 250 μ W/cm²(ii) a Maintaining the first temperature at 70 ℃ for 45 s;

5. preparing spun yarn: obtaining the yarn with specified fineness and strength, mainly comprising drafting, twisting, winding and forming. The roving is drawn to be thin to required fineness, fibers are straightened and parallel, the strand is twisted for a certain time to enhance the strength of the spun yarn, the spun yarn obtained after the drafting and twisting is wound on a bobbin to be made into tubular yarn with a certain size and shape, the tubular yarn is convenient to carry and process in the subsequent process, the spun yarn is spun by adopting compact siro spinning, and the post-drafting multiple is 1.2.

6. And (3) performance measurement: the individual yarn breaking strength of the yarn was measured and is reported in table 2.

Table 2:

serial number	Single yarn breaking strength (cN/tex)
		1	24.1
2	25.6
		3	25.0
4	18.1
		5	19.6
6	19.2
		7	17.8
8	21.1
		9	22.3
10	18.1
		11	17.4

Therefore, the fiber repair is carried out in the cotton grabbing stage, so that the reinforcing effect is better, and the strength of the finally obtained yarn is greatly increased; in the repairing process, the vinyl acetate and the acrylic acid are absent, and the repairing effect is better under the condition that the ethanol exists.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.