CN112663194B - Yarn with good flame retardance - Google Patents
Yarn with good flame retardance Download PDFInfo
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- CN112663194B CN112663194B CN202011452786.2A CN202011452786A CN112663194B CN 112663194 B CN112663194 B CN 112663194B CN 202011452786 A CN202011452786 A CN 202011452786A CN 112663194 B CN112663194 B CN 112663194B
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Abstract
The invention discloses a yarn with good flame retardance, which comprises a wire body with a cored wire structure, wherein the wire body comprises a core wire and a plurality of covered wires wound around the periphery of the core wire, and the core wire is made of an organic silicon nitrogen flame-retardant viscose fiber and an organic phosphorus flame-retardant viscose fiber in a blending way; contains 30-80% of organic silicon nitrogen flame-retardant viscose fiber and 20-70% of organic phosphorus flame-retardant viscose fiber; wherein the organic silicon nitrogen flame-retardant viscose staple fiber contains cellulose and silicon nitrogen flame retardant, and the molar mass ratio of the cellulose to the silicon nitrogen flame retardant is 3:1; the silicon nitrogen flame retardant is silicon dioxide hetero-nitrogen compound; wherein the organic phosphorus flame-retardant viscose fiber contains cellulose and organic phosphorus flame retardant, and the molar mass ratio of the cellulose to the organic phosphorus flame retardant is 3:1; the organic phosphorus flame retardant is phosphoric acid triphenol; the flame-retardant viscose fiber is prepared by blending the organic silicon nitrogen flame-retardant viscose fiber and the organic phosphorus flame-retardant viscose fiber, has the strength of more than 2cN/dtex, and has good flame-retardant performance strength.
Description
Technical Field
The invention relates to the technical field of textile, in particular to a yarn with good flame retardance.
Background
The yarn is a textile, and is processed into products with certain fineness by various textile fibers, and is used for weaving, rope making, thread making, knitting, embroidery and the like, and is divided into short fiber yarns, continuous filaments and the like.
Flame retardant fabrics have attracted increasing attention today. The flame-retardant function of the textile material is mainly obtained by two methods, one is to carry out flame-retardant after-finishing on common fabrics, the cost of the method is lower, but the flame-retardant performance can be gradually reduced or even vanished along with the use and washing times; the other is to blend the high temperature resistant flame retardant fiber such as aramid fiber, polyimide and the like with the flame retardant viscose fiber and the like to obtain the fabric which has excellent flame retardant property, high strength, comfortable softness and ventilation and simultaneously has the wearing property. The flame-retardant viscose fiber has the advantages of good hygroscopicity, comfortable body feeling, difficult heat conduction, low price and the like, and becomes the first-choice fiber material of the flame-retardant protective clothing. The flame-retardant yarn in the prior art adds a considerable amount of flame retardant to maintain flame retardancy, resulting in strength being affected, lower than that of a typical yarn.
Disclosure of Invention
The invention provides a yarn with good flame retardance, which solves the technical problems in the related art.
According to one aspect of the present invention, there is provided a yarn having excellent flame retardancy, comprising a core-spun yarn structure, the yarn comprising a core and a plurality of covered wires wound around the outer periphery of the core, wherein,
the material of the core wire is prepared by blending organic silicon nitrogen flame-retardant viscose fibers and organic phosphorus flame-retardant viscose fibers; contains 30-80% of organic silicon nitrogen flame-retardant viscose fiber and 20-70% of organic phosphorus flame-retardant viscose fiber;
wherein the organic silicon nitrogen flame-retardant viscose staple fiber contains cellulose and silicon nitrogen flame retardant, and the molar mass ratio of the cellulose to the silicon nitrogen flame retardant is 3:1;
the silicon nitrogen flame retardant is silicon dioxide hetero-nitrogen compound;
wherein the organic phosphorus flame-retardant viscose fiber contains cellulose and organic phosphorus flame retardant, and the molar mass ratio of the cellulose to the organic phosphorus flame retardant is 3:1;
the organic phosphorus flame retardant is phosphoric acid triphenol.
Further, the preparation method of the material of the core wire comprises the steps of:
preparing cellulose into spinning viscose liquid;
preparing a silicon nitrogen flame retardant into a first flame retardant liquid;
mixing the first flame-retardant liquid with the spinning viscose liquid, and immediately spinning to obtain first flame-retardant spinning;
preparing cellulose into spinning viscose liquid;
preparing an organic phosphorus flame retardant into a second flame retardant liquid;
mixing the second flame-retardant liquid with the spinning viscose liquid, and immediately spinning to obtain second flame-retardant spinning;
and blending the first flame-retardant spinning and the second flame-retardant spinning to obtain the material of the core wire.
3. The yarn with good flame retardance according to claim 1, wherein the core wire is provided with a plurality of anti-counterfeiting areas with preset length D, and the core wire in the anti-counterfeiting areas is provided with anti-counterfeiting marks for expressing anti-counterfeiting information;
the multiple wrapping wires wrapped around the periphery of the core wire at least comprise more than one anti-counterfeiting wrapping wire, at least more than one interruption area is formed by cutting off the anti-counterfeiting wrapping wire, the length of the interruption area is A, the length of the interruption area is smaller than that of the anti-counterfeiting area, the wrapping wire of the interruption area is cut off to expose part of the core wire in the inner part, and anti-counterfeiting marks of the overlapping parts of the interruption area and the anti-counterfeiting area record anti-counterfeiting information of the yarn with good flame retardance.
Further, a fixed distance with the length of S is arranged between the anti-counterfeiting areas, and is larger than the length of the interruption areas, so that the interruption areas are prevented from crossing the two anti-counterfeiting areas.
Further, the generation method of the anti-counterfeiting information comprises the following steps:
generating a separate code for the laundry, the code not being repeated with other laundry, the code being a number, letter, chinese character, etc. or a combination thereof, which is date-dependent or generated according to a certain rule;
extracting anti-counterfeiting information from the codes according to a preset rule;
determining the position of an overlapping area of the interruption area and the anti-counterfeiting area according to the extracted anti-counterfeiting information;
the envelope of the cut-off region exposes the anti-counterfeiting mark in the anti-counterfeiting region, and the anti-counterfeiting information recorded by the exposed anti-counterfeiting mark is identical to the anti-counterfeiting information extracted from the code according to a preset rule.
Further, the verification of the anti-counterfeiting information is to input the anti-counterfeiting information on the yarn with good flame retardance on the clothes and the code on the clothes tag, and the server searches the code in the database and whether the corresponding anti-counterfeiting information is matched with the code, if so, the server passes the anti-counterfeiting authentication, and if not, the server does not pass the anti-counterfeiting authentication.
Further, the material of the envelope wire except the anti-counterfeiting envelope wire is the same as the material of the core wire, and the anti-counterfeiting envelope wire comprises the following components in parts by weight:
acrylic resin 60, pentaerythritol 10, sodium fatty alcohol polyoxyethylene ether sulfate 15, organic silicon resin 3, 2, 4, 6-trimethylbenzoyl-diphenyl phosphine oxide 5, polyacrylate 3, decomposition promoting component 6, 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide 2;
wherein the decomposition promoting component is formed by mixing polyamide fiber and protein fiber.
Further, the method for cutting off the anti-counterfeiting wrapping wire comprises the following steps:
s100, setting a reference mark point at one end of an anti-counterfeiting area of a core wire;
s200, coating or spraying an organic solvent on the anti-counterfeiting wrap at one end of the yarn with good flame retardance to enable the anti-counterfeiting wrap to be dissolved in the organic solvent to form a blank area;
s300, continuing to coat or spray an organic solvent along the axial direction of the yarn with good flame resistance to prolong the blank area until a reference mark point on one anti-counterfeiting area on the core wire is exposed;
s400, according to the overlapping area of the anti-counterfeiting information mark interruption area and the anti-counterfeiting area, positioning the starting point and the ending point of the interruption area by taking a reference mark point as a starting point, and coating or spraying an organic solvent on the yarns with good flame retardance between the starting point and the ending point of the interruption area to enable the anti-counterfeiting envelope to be dissolved in the organic solvent to form the interruption area;
and S500, extending the positions of the starting point and the ending point of the interruption zone backwards by a fixed distance S, namely, the starting point and the ending point of the interruption zone corresponding to the next anti-counterfeiting zone, and coating or spraying an organic solvent on the yarns with good flame retardance between the starting point and the ending point of the interruption zone to enable the anti-counterfeiting envelope to be dissolved in the organic solvent to form the next interruption zone.
Further, the device for cutting off the anti-counterfeiting wrapping wire comprises a frame, a cutting mechanism and a conveying mechanism which are arranged on the frame, wherein,
the conveying mechanism comprises an unreeling wheel for unreeling a plurality of wire bodies and a reeling wheel for reeling the wire bodies, and wire guides are arranged on one sides of the reeling wheel and the unreeling wheel and are used for guiding the plurality of wire bodies to the same horizontal plane;
the cutting mechanism comprises a moving platform arranged between the two wire guides, a locator and an ejector are arranged at the top of the moving platform, the locator is arranged at the front side of the ejector and used for scanning anti-counterfeiting marks on a core wire of a wire body for cutting off the anti-counterfeiting wrap, a reference mark point is scanned to obtain a moving origin of the moving platform, the position of a subsequent anti-counterfeiting area behind the moving origin is determined, and the corresponding interruption area is cut off according to the position of the anti-counterfeiting area.
Further, the wire clamping device comprises a wire clamping seat and a cylinder body rotationally connected with the wire clamping seat, an opening is formed in the side wall of the cylinder body, clamping blocks are arranged in the opening and connected with cylinders on two sides of the cylinder body, the cylinders are fixedly connected with the cylinder body, a gear ring is sleeved outside the cylinder body, and the gear ring is meshed with a gear on an output shaft of the driver.
The invention has the beneficial effects that:
the flame-retardant fiber is prepared by blending the organic silicon nitrogen flame-retardant viscose fiber and the organic phosphorus flame-retardant viscose fiber, has strength of more than 2cN/dtex, has good flame-retardant performance strength, and has wide application field.
The yarn with good flame retardance has the function of recording complete anti-counterfeiting information, can conveniently express specific anti-counterfeiting information to be recorded, can greatly improve the anti-counterfeiting performance when being used together with clothes coding information and the like, and avoids reverse decryption imitation through clothes.
Drawings
FIG. 1 is a schematic cross-sectional view of a yarn with good flame retardancy according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a security area of a core of an embodiment of the present invention;
FIG. 3 is a second schematic illustration of the security area of a core of an embodiment of the present invention;
FIG. 4 is a schematic illustration of an interruption zone of a core wire in accordance with an embodiment of the present invention;
FIG. 5 is a schematic illustration of an interruption zone of a core wire in accordance with an embodiment of the present invention;
FIG. 6 is a schematic illustration of an embodiment of the present invention wherein one end of the anti-counterfeiting area of the core is provided with a fiducial mark point;
FIG. 7 is a schematic cross-sectional view of a yarn with good flame retardancy according to an embodiment of the present invention;
FIG. 8 is an enlarged view at A of FIG. 7;
fig. 9 is a top view of a truncated device of the security envelope of an embodiment of the invention;
fig. 10 is a side view of a truncated device of the anti-counterfeit wrap of an embodiment of the present invention;
fig. 11 is a flowchart of a method for cutting off an anti-counterfeit envelope according to an embodiment of the present invention.
In the figure: the anti-counterfeiting device comprises a core wire 1, a wrapping wire 2, an anti-counterfeiting mark 11, a pointed thorn 12, a reference mark point 111, an anti-counterfeiting wrapping wire 21, a frame 3, a cutting mechanism 4, a moving platform 41, a conveyor 411, a second rotary power source 412, a positioner 42, an ejector 43, a conveying mechanism 5, an unreeling wheel 51, a reeling wheel 52 and a wire guide 53.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be appreciated that these embodiments are discussed only to enable a person skilled in the art to better understand and thereby practice the subject matter described herein, and are not limiting of the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the scope of the disclosure as set forth in the specification. Various examples may omit, replace, or add various procedures or components as desired. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. In addition, features described with respect to some examples may be combined in other examples as well.
In this embodiment, there is provided a yarn with good flame retardancy, as shown in fig. 1, which is a schematic cross-sectional view of the yarn with good flame retardancy according to the present invention, as shown in fig. 1, the yarn with good flame retardancy comprises a wire body of a cored wire structure, the wire body comprising a core wire 1 and a plurality of covered wires 2 wound around the outer circumference of the core wire 1, wherein,
the material of the core wire 1 is prepared by blending organic silicon nitrogen flame-retardant viscose fibers and organic phosphorus flame-retardant viscose fibers; contains 30-80% of organic silicon nitrogen flame-retardant viscose fiber and 20-70% of organic phosphorus flame-retardant viscose fiber;
wherein the organic silicon nitrogen flame-retardant viscose staple fiber contains cellulose and silicon nitrogen flame retardant, and the molar mass ratio of the cellulose to the silicon nitrogen flame retardant is 3:1;
the silicon nitrogen flame retardant is silicon dioxide hetero-nitrogen compound;
wherein the organic phosphorus flame-retardant viscose fiber contains cellulose and organic phosphorus flame retardant, and the molar mass ratio of the cellulose to the organic phosphorus flame retardant is 3:1;
the organic phosphorus flame retardant is phosphoric acid triphenol.
The preparation method of the material of the core wire 1 comprises the following steps:
preparing cellulose into spinning viscose liquid;
preparing a silicon nitrogen flame retardant into a first flame retardant liquid;
mixing the first flame-retardant liquid with the spinning viscose liquid, and immediately spinning to obtain first flame-retardant spinning;
preparing cellulose into spinning viscose liquid;
preparing an organic phosphorus flame retardant into a second flame retardant liquid;
mixing the second flame-retardant liquid with the spinning viscose liquid, and immediately spinning to obtain second flame-retardant spinning;
and blending the first flame-retardant spinning and the second flame-retardant spinning to obtain the material of the core wire 1.
The core wire 1 is provided with a plurality of anti-counterfeiting areas with preset length D, the core wire 1 in the anti-counterfeiting areas is provided with anti-counterfeiting marks 11 for expressing anti-counterfeiting information, and the mode of expressing the anti-counterfeiting marks 11 can be selected but is not limited to: bar codes, mousse passwords, square passwords, hill passwords, affine passwords, and three-point passwords;
as shown in fig. 2, the continuously provided anti-counterfeit marks 11 on the core wire 1 of a predetermined length express the recorded anti-counterfeit information in the form of a bar code;
as shown in fig. 3, the anti-counterfeit marks 11 are arranged at intervals on the core wire 1 with a predetermined length, the anti-counterfeit marks 11 are provided with at least two kinds of lengths, the anti-counterfeit marks 11 with shorter lengths represent "points", the anti-counterfeit marks 11 with longer lengths represent "strokes", the intervals between the anti-counterfeit marks 11 represent "pauses", and the anti-counterfeit information using the morse code as the expression is carried out in the expression mode;
the plurality of wrapping wires 2 wrapped around the periphery of the core wire 1 at least comprise more than one anti-counterfeiting wrapping wire 21, at least more than one interruption area is formed by cutting off the anti-counterfeiting wrapping wire 21, the length of the interruption area is A, the length of the interruption area is smaller than that of the anti-counterfeiting area, the wrapping wire 2 of the interruption area is cut off to expose part of the core wire 1 inside, and anti-counterfeiting mark 11 of the overlapping part of the interruption area and the anti-counterfeiting area records anti-counterfeiting information of the yarn with good flame retardance.
In this embodiment, a fixed space with a length S is provided between the anti-counterfeiting areas, and the fixed space is larger than the length of the interruption area, so that the interruption area is prevented from crossing the two anti-counterfeiting areas.
The embodiment will specifically explain the manner of using a mousse password as the anti-counterfeiting information of the expression:
the core 1 in the anti-counterfeiting area is provided with an anti-counterfeiting mark 11 for expressing anti-counterfeiting information in a Morse code manner, as shown in fig. 4, and in the scheme 1, the anti-counterfeiting information recorded by the anti-counterfeiting mark 11 in the overlapping part of the interruption area and the anti-counterfeiting area is "AC"
As shown in fig. 5, in the case of scheme 2, the security information described by the security mark 11 in the overlapping portion of the interruption region and the security region is "AB";
the extraction of the anti-counterfeiting information can be as follows:
the anti-counterfeiting information expressed by the anti-counterfeiting mark 11 on the yarn with good flame retardance is extracted through the image equipment, and the anti-counterfeiting information is further converted into readable information to be provided for a user. The prior art is to convert the anti-counterfeiting information such as bar codes and Morse passwords into readable information such as characters and numbers, and the description is omitted here.
The image device may optionally but not be limited to: cameras, cell phones, scanners, etc.
The extraction method is optional but not limited to: photographing and scanning.
By this way, the present embodiment can record different anti-counterfeiting information on the same core wire 1, and the present embodiment further provides a method for improving clothing anti-counterfeiting performance by matching:
generating a separate code for the laundry, the code not being repeated with other laundry, the code being a number, letter, chinese character, etc. or a combination thereof, which is date-dependent or generated according to a certain rule;
extracting anti-counterfeiting information from the codes according to a preset rule;
determining the position of an overlapping area of the interruption area and the anti-counterfeiting area according to the extracted anti-counterfeiting information;
the envelope 2 of the cut-off region exposes the anti-counterfeiting mark 11 in the anti-counterfeiting region, and the anti-counterfeiting information recorded by the exposed anti-counterfeiting mark 11 is the same as the anti-counterfeiting information extracted from the code according to the preset rule.
Even if a counterfeiter counterfeits the yarn with good flame resistance, only the yarn with good flame resistance in a fixed form can be counterfeited, namely only the same core wire 1 and the anti-counterfeiting wrapping wire 21 in an interrupted form can be counterfeited; only a fixed anti-fake information can be expressed, the corresponding anti-fake information generated according to the codes cannot be expressed, the anti-fake authentication cannot be completed by matching with the codes of clothes when the anti-fake authentication is performed, and the counterfeiters are prevented from counterfeiting.
In this embodiment, the extracted security information is within the range of all security information that can be recorded by the security mark 11 of the security area.
The verification of the anti-counterfeiting information can be that the anti-counterfeiting information on the yarns with good flame retardance on the clothes and the codes on the clothes hanging tag are input, and the server searches the codes in the database and whether the corresponding anti-counterfeiting information is matched with the codes or not, if so, the anti-counterfeiting information passes the anti-counterfeiting authentication, and if not, the server does not pass the anti-counterfeiting authentication.
The anti-counterfeiting wrap 21 of the yarn with good flame retardance in the present embodiment is provided in a structure that can be cut off, and the present embodiment is correspondingly designed with a cut-off structure: the anti-counterfeiting covered wire 21 is made of a material which is soluble in at least one or more organic solvents, and the materials of the rest covered wire 2 and the core wire 1 are insoluble in the organic solvents;
or the material of the anti-counterfeiting covered wire 21 is soluble in the organic solvent A, and the materials of the rest of the covered wire 2 and the core wire 1 are insoluble in the organic solvent A.
Further provided is a truncation method:
s100, one end of an anti-counterfeiting area of a core wire 1 is provided with a reference mark point 111;
s200, coating or spraying an organic solvent on the anti-counterfeiting wrap 21 at one end of the yarn with good flame resistance to enable the anti-counterfeiting wrap 21 to be dissolved in the organic solvent to form a blank area;
s300, continuing to coat or spray an organic solvent along the axial direction of the yarn with good flame resistance to prolong the blank area until the reference mark point 111 on one anti-counterfeiting area on the core wire 1 is exposed;
s400, according to the overlapping area of the interruption area and the anti-counterfeiting area of the anti-counterfeiting information mark recorded as required, positioning the starting point and the ending point of the interruption area by taking the reference mark point 111 as the starting point, and coating or spraying an organic solvent on the yarns with good flame retardance between the starting point and the ending point of the interruption area to enable the anti-counterfeiting envelope 21 to be dissolved in the organic solvent to form the interruption area;
and S500, extending the positions of the starting point and the ending point of the interruption zone backwards by a fixed distance S, namely, the starting point and the ending point of the interruption zone corresponding to the next anti-counterfeiting zone, and coating or spraying an organic solvent on the yarns with good flame retardance between the starting point and the ending point of the interruption zone to enable the anti-counterfeiting covered wire 21 to be dissolved in the organic solvent to form the next interruption zone.
As shown in fig. 6, a reference mark 111 is provided at one end of the anti-counterfeiting area of the core wire 1.
As shown in fig. 7 to 8, considering the effect of the cut-off of the security wrap 21, the present embodiment further provides a structure of a yarn with good flame retardancy:
the surface of the core wire 1 is distributed with protruding pointed thorns 12, and the pointed thorns 12 are inserted into the envelope wire 2 to enable the core wire 1 to be tightly connected with the envelope wire 2, so that the influence on the yarn strength with good flame retardance after the anti-counterfeiting envelope wire 21 is cut off is avoided.
The anti-counterfeiting wrap 21 of the yarn with good flame retardance in the present embodiment is provided in a structure that can be cut off, and the present embodiment is correspondingly designed with a cut-off structure: the anti-counterfeiting covered wire 21 is made of a material which is soluble in at least one or more organic solvents, and the materials of the rest covered wire 2 and the core wire 1 are insoluble in the organic solvents;
or the material of the anti-counterfeiting covered wire 21 is soluble in the organic solvent A, and the materials of the rest of the covered wire 2 and the core wire 1 are insoluble in the organic solvent A.
In this embodiment, a system of dimethylformamide organic solvent may be used, spandex may be used for the anti-counterfeiting covered wire 21, and vinylon may be substituted for the core wire 1.
Specifically, this embodiment provides a yarn structure that fire resistance is good:
the material of the envelope 2 except the anti-counterfeiting envelope 21 in the envelope 2 is the same as that of the core wire 1, and the material of the anti-counterfeiting envelope 21 comprises the following components in parts by weight:
acrylic resin 60, pentaerythritol 10, sodium fatty alcohol polyoxyethylene ether sulfate 15, organic silicon resin 3, 2, 4, 6-trimethylbenzoyl-diphenyl phosphine oxide 5, polyacrylate 3, decomposition promoting component 6, 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide 2;
wherein the decomposition promoting component is formed by mixing polyamide fiber and protein fiber;
9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide abbreviated DOPO (DOP);
in this example, the molar mass ratio of polyamide fibers to protein fibers in the decomposition-promoting ingredient was 3:1.
In this example, the weight percent of the decomposition promoting component is less than 8%. Long fibers formed by decomposition promoting components which are not easy to dissolve in an organic solvent system are avoided, and the long fibers can be taken away by the organic solvent or cleaned by subsequent cleaning after the main body part is dissolved; and the 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide which is easy to dissolve in the dimethylformamide organic solvent system is added as a flame retardant, so that the flame retardance can be maintained and the dissolution cutting effect of the organic solvent system can be ensured.
In order to incorporate the above-described cutting method, the present embodiment further provides a cutting apparatus including a frame 3, and a cutting mechanism 4 and a conveying mechanism 5 provided on the frame 3, wherein,
the conveying mechanism 5 comprises an unreeling wheel 51 for unreeling a plurality of wire bodies and a reeling wheel 52 for reeling the wire bodies, one side of the reeling wheel 52 and one side of the unreeling wheel 51 are respectively provided with a wire guide 53, and the wire guides 53 are used for guiding the plurality of wire bodies to the same horizontal plane;
the cutting mechanism 4 comprises a moving platform 41 arranged between two wire guides 53, a positioner 42 and an ejector 43 are arranged at the top of the moving platform 41, the positioner 42 is arranged at the front side of the ejector 43 and is used for scanning the anti-counterfeiting mark 11 on the core wire 1 of the wire body for cutting off the anti-counterfeiting covered wire 21, the scanning reference mark point 111 obtains the moving origin of the moving platform 41, the positions of the subsequent anti-counterfeiting areas after the moving origin are determined, and the corresponding interruption areas are cut off according to the positions of the anti-counterfeiting areas.
Only the first wire segment in the initial stage needs to use the positioner 42, and the following wire segment can enter the position of the wire segment between the wire guides 53 by controlling the winding length, so that the moving platform 41 can operate again according to the reference of the first wire segment.
In this embodiment, the centers of the winding wheel 52 and the unwinding wheel 51 are provided with rotating shafts, the winding wheel 52 and the shaft of the unwinding wheel 51 are connected through a synchronizing mechanism, and one of the shafts is connected with a first rotary power source. The winding wheel 52 and the unwinding wheel 51 are synchronously driven to rotate, so that the winding and unwinding are kept synchronous. The synchronous mechanism can be a belt wheel arranged on the two wheel shafts and a synchronous belt connected with the two belt wheels.
In this embodiment, the moving platform 41 may be disposed on a linear sliding rail, or disposed on the conveyor 411 or disposed on a transmission chain.
The present embodiment further provides a moving platform 41 disposed on the conveyor 411, where the moving platform 41 is an upper surface of the conveyor 411, the conveyor 411 is sleeved on a driving roller and a driven roller, and the driving roller is connected to a second rotary power source 412.
The first and second rotary power sources 412 may be electric machines, hydraulic motors, or a combination thereof with a transmission mechanism such as a speed reducer.
The ejector 43 is connected to a pump as ejection power, and can eject planar organic solvent jet into a vertical plane.
In this embodiment, the conveying mechanism 5 further includes two wire shifters disposed on the front and rear sides of the mobile station, the wire shifters are provided with wire clamps for clamping the wire bodies, and a driver for driving the wire clamps to rotate, the wire bodies pass through the wire clamps, if the wire bodies are detected not to be located below the wire bodies, the wire clamps clamp the wire bodies at this time, and then the driver drives the wire clamps to rotate to drive the wire bodies between the two wire clamps to rotate around the axis, so as to adjust the wire bodies to be located below the wire bodies. After the section of wire body is cut off, the wire clamping device is loosened, and the conveying of the next section of wire body cannot be affected.
The embodiment further provides a wire clamping device structure, which comprises a wire clamping seat and a cylinder body rotationally connected with the wire clamping seat, wherein an opening is formed in the side wall of the cylinder body, clamping blocks are arranged in the opening and connected with air cylinders on two sides of the cylinder body, the air cylinders are fixedly connected with the cylinder body, a gear ring is sleeved outside the cylinder body, and the gear ring is meshed with a gear on an output shaft of a driver. The cylinder stretches and contracts to drive the two clamping blocks to move and clamp the wire body, then the driver drives the gear to rotate to drive the gear ring and the cylinder to rotate, and then the clamped wire body is driven to rotate, so that the position of the yarn with good flame retardance is adjusted.
As a further optimized implementation mode, the wire body rotates from the axis of the cylinder body;
in this embodiment, a structure of a wire guide 53 is provided, which includes a frame fixedly disposed on a frame 3, a plurality of rollers rotatably connected to the frame are disposed in the frame, and ring grooves disposed on the same horizontal plane are disposed on the rollers. The wire body is limited in the ring groove by the rotating rollers, so that the wire body passing through the rollers is positioned on the same horizontal plane.
Claims (7)
1. A yarn with good flame retardance is characterized by comprising a yarn body with a cored wire structure, wherein the yarn body comprises a core wire and a plurality of covered wires wound on the periphery of the core wire,
the material of the core wire is prepared by blending organic silicon nitrogen flame-retardant viscose fibers and organic phosphorus flame-retardant viscose fibers; contains 30-80% of organic silicon nitrogen flame-retardant viscose fiber and 20-70% of organic phosphorus flame-retardant viscose fiber;
wherein the organic silicon nitrogen flame-retardant viscose staple fiber contains cellulose and silicon nitrogen flame retardant, and the molar mass ratio of the cellulose to the silicon nitrogen flame retardant is 3:1;
the silicon nitrogen flame retardant is silicon dioxide hetero-nitrogen compound;
wherein the organic phosphorus flame-retardant viscose fiber contains cellulose and organic phosphorus flame retardant, and the molar mass ratio of the cellulose to the organic phosphorus flame retardant is 3:1;
the organic phosphorus flame retardant is phosphoric acid triphenol;
the core wire is provided with a plurality of anti-counterfeiting areas with preset length D, and the core wire in the anti-counterfeiting areas is provided with anti-counterfeiting marks for expressing anti-counterfeiting information;
the anti-counterfeiting yarn comprises a plurality of wrapping wires wrapped around the periphery of a core wire, wherein the wrapping wires at least comprise more than one anti-counterfeiting wrapping wire, at least more than one interruption area is formed by cutting off the anti-counterfeiting wrapping wire, the length of the interruption area is A, the length of the interruption area is smaller than that of the anti-counterfeiting area, the wrapping wires of the interruption area are cut off to expose part of the core wire in the inner part, and anti-counterfeiting marks of the overlapping parts of the interruption area and the anti-counterfeiting area record anti-counterfeiting information of the yarn with good flame retardance;
the material of the envelope wire except the anti-counterfeiting envelope wire is the same as that of the core wire, and the anti-counterfeiting envelope wire comprises the following components in parts by weight:
acrylic resin 60, pentaerythritol 10, sodium fatty alcohol polyoxyethylene ether sulfate 15, organic silicon resin 3, 2, 4, 6-trimethylbenzoyl-diphenyl phosphine oxide 5, polyacrylate 3, decomposition promoting component 6, 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide 2;
wherein the decomposition promoting component is formed by mixing polyamide fiber and protein fiber;
the method for cutting off the anti-counterfeiting envelope comprises the following steps:
s100, setting a reference mark point at one end of an anti-counterfeiting area of a core wire;
s200, coating or spraying an organic solvent on the anti-counterfeiting wrap at one end of the yarn with good flame retardance to enable the anti-counterfeiting wrap to be dissolved in the organic solvent to form a blank area;
s300, continuing to coat or spray an organic solvent along the axial direction of the yarn with good flame resistance to prolong the blank area until a reference mark point on one anti-counterfeiting area on the core wire is exposed;
s400, according to the overlapping area of the anti-counterfeiting information mark interruption area and the anti-counterfeiting area, positioning the starting point and the ending point of the interruption area by taking a reference mark point as a starting point, and coating or spraying an organic solvent on the yarns with good flame retardance between the starting point and the ending point of the interruption area to enable the anti-counterfeiting envelope to be dissolved in the organic solvent to form the interruption area;
and S500, extending the positions of the starting point and the ending point of the interruption zone backwards by a fixed distance S, namely, the starting point and the ending point of the interruption zone corresponding to the next anti-counterfeiting zone, and coating or spraying an organic solvent on the yarns with good flame retardance between the starting point and the ending point of the interruption zone to enable the anti-counterfeiting envelope to be dissolved in the organic solvent to form the next interruption zone.
2. The yarn of claim 1, wherein the method for producing the material of the core comprises the steps of:
preparing cellulose into spinning viscose liquid;
preparing a silicon nitrogen flame retardant into a first flame retardant liquid;
mixing the first flame-retardant liquid with the spinning viscose liquid, and immediately spinning to obtain first flame-retardant spinning;
preparing cellulose into spinning viscose liquid;
preparing an organic phosphorus flame retardant into a second flame retardant liquid;
mixing the second flame-retardant liquid with the spinning viscose liquid, and immediately spinning to obtain second flame-retardant spinning;
and blending the first flame-retardant spinning and the second flame-retardant spinning to obtain the material of the core wire.
3. A yarn with good flame retardancy as claimed in claim 1, wherein a fixed spacing of length S is provided between said anti-counterfeiting areas, the fixed spacing being greater than the length of the interruption areas, avoiding the interruption areas crossing both anti-counterfeiting areas.
4. A yarn with good flame retardancy as claimed in claim 3, wherein said anti-counterfeiting information generating method comprises the steps of:
generating a separate code for the laundry, the code not being repeated with other laundry;
extracting anti-counterfeiting information from the codes according to a preset rule;
determining the position of an overlapping area of the interruption area and the anti-counterfeiting area according to the extracted anti-counterfeiting information;
the envelope of the cut-off region exposes the anti-counterfeiting mark in the anti-counterfeiting region, and the anti-counterfeiting information recorded by the exposed anti-counterfeiting mark is identical to the anti-counterfeiting information extracted from the code according to a preset rule.
5. The yarn with good flame retardancy as claimed in claim 1, wherein the verification of the anti-counterfeiting information is to input the anti-counterfeiting information on the yarn with good flame retardancy on the clothing and the code on the clothing label, and the server is to pass the anti-counterfeiting authentication if the codes in the database are matched with the corresponding anti-counterfeiting information, and not pass the anti-counterfeiting authentication if the codes are not matched with the codes.
6. A yarn with good flame retardancy as claimed in claim 1, wherein the device for cutting off the anti-counterfeiting wrapping wire comprises a frame, a cutting mechanism and a conveying mechanism which are arranged on the frame,
the conveying mechanism comprises an unreeling wheel for unreeling a plurality of wire bodies and a reeling wheel for reeling the wire bodies, and wire guides are arranged on one sides of the reeling wheel and the unreeling wheel and are used for guiding the plurality of wire bodies to the same horizontal plane;
the cutting mechanism comprises a moving platform arranged between the two wire guides, a locator and an ejector are arranged at the top of the moving platform, the locator is arranged at the front side of the ejector and used for scanning anti-counterfeiting marks on a core wire of a wire body for cutting off the anti-counterfeiting wrap, a reference mark point is scanned to obtain a moving origin of the moving platform, the position of a subsequent anti-counterfeiting area behind the moving origin is determined, and the corresponding interruption area is cut off according to the position of the anti-counterfeiting area.
7. The yarn with good flame retardance according to claim 6, wherein the conveying mechanism further comprises two yarn changers which are respectively arranged on the front side and the rear side of the movable table, the yarn changers are provided with yarn clamps used for clamping the yarn bodies, each yarn clamp comprises a yarn clamping seat and a cylinder body rotationally connected with the yarn clamping seat, an opening is formed in the side wall of each cylinder body, clamping blocks are arranged in the opening and are connected with cylinders on the two sides of each cylinder body, the cylinders are fixedly connected with the cylinders, gear rings are sleeved outside the cylinders, and the gear rings are meshed with gears on an output shaft of the driver.
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| CN202011452786.2A CN112663194B (en) | 2020-12-11 | 2020-12-11 | Yarn with good flame retardance |
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| CN112663194B true CN112663194B (en) | 2023-05-02 |
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| CN114457480B (en) * | 2022-03-02 | 2022-12-13 | 建湖县盛峰纱线有限公司 | Spandex flame-retardant yarn and preparation method thereof |
| CN115262054B (en) * | 2022-07-05 | 2024-02-09 | 安徽联科水基材料科技有限公司 | Flame-retardant high-melt-strength polylactic acid composite fiber material and preparation method thereof |
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| EP1297902A2 (en) * | 2001-09-28 | 2003-04-02 | The Goodyear Tire & Rubber Company | Spray coating onto wires |
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