CN110055780B - Novel steel wire rope core and production method thereof - Google Patents
Novel steel wire rope core and production method thereof Download PDFInfo
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- CN110055780B CN110055780B CN201910401818.7A CN201910401818A CN110055780B CN 110055780 B CN110055780 B CN 110055780B CN 201910401818 A CN201910401818 A CN 201910401818A CN 110055780 B CN110055780 B CN 110055780B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
- D02G3/286—Doubled, plied, or cabled threads with alternatively "S" and "Z" direction of twist, e.g. Self-twist process
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/18—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation
- D06M14/26—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin
- D06M14/28—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials using wave energy or particle radiation on to materials of synthetic origin of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/005—Composite ropes, i.e. ropes built-up from fibrous or filamentary material and metal wires
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2055—Cores characterised by their structure comprising filaments or fibers
- D07B2201/2057—Cores characterised by their structure comprising filaments or fibers resulting in a twisted structure
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2066—Cores characterised by the materials used
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/10—Natural organic materials
- D07B2205/103—Animal and plant materials
- D07B2205/106—Manila, hemp or sisal
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/201—Polyolefins
- D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/2039—Polyesters
- D07B2205/2042—High performance polyesters, e.g. Vectran
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
- D10B2321/0211—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Ropes Or Cables (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a novel steel wire rope core and a production method thereof, and the novel steel wire rope core comprises the following steps: picking up ramie → combing ramie (adding water) → drawing → spinning → stranding (soaking oil) → rope twisting → warehousing. The spinning machine adopts a sisal hemp spinning machine which is technically improved, the drafting part adopts a drafting system of a TGS0950 type sisal hemp spinning machine, and the twisting part is improved into a twisting roller type self-twisting spinning twisting winding device: feeding raw materials, namely sisal fiber, and chemical fiber filament, to form self-twisting spinning of the chemical fiber filament and the sisal fiber, and twisting, oiling and rope making. High-strength high-modulus low-elongation polyester filament yarns and ultrahigh molecular weight polyethylene filament yarns are added in the spinning process respectively, wherein the ultrahigh molecular weight polyethylene filament yarns are pretreated, and both the polyester filament yarns and the ultrahigh molecular weight polyethylene filament yarns are trilobal structural sections. The invention provides a novel method for producing a steel wire rope core, which shortens the process flow and reduces the burrs on the surface of yarns.
Description
Technical Field
The invention belongs to the field of preparation of sisal hemp rope cores, and particularly relates to a novel steel wire rope core and a production method thereof.
Background
The self-twisting spinning is to hold two ends of two strands of yarn and twist the middle to form two false-twisted single yarns with positive and reverse twist alternation, and then to make the two strands close together in parallel and self-twist into double-strand self-twisted yarn with self-twisting degree by means of the anti-torque of the two strands. The self-twisting spinning machine mainly comprises four parts of feeding drafting, twisting and winding.
The technical process of the self-twisting machine is that two slivers (rough yarns or slivers) are fed into a drafting mechanism, and the drafting mechanism drafts the two slivers to a required degree respectively and outputs the two slivers from a front roller; or one sliver is drawn and output from the front roller, and the other chemical fiber filament is fed from the front roller and output from the front roller. One end of two strands output from the front roller is held by the front roller, the other end is held by the converging yarn guide hook, a pair of twisting rollers (false twisters) which do both rotary motion and reciprocating motion are arranged between the two holding points, the strands are twisted by the pair of twisting rollers to obtain single yarns with opposite twist directions (S twist and Z twist) on the strands on the two sides of the twisting rollers, when the two single yarns with the alternately changed twist directions leave the twisting rollers and meet at the converging yarn guide hook, the self-twisting action is generated by the respective untwisting torques of the two yarns to be mutually twisted into plied yarns, namely the self-twisted yarns (the two single yarns are formed into the self-twisted yarns by rotating at high speed when leaving the converging yarn guide hook), and the self-twisted yarns are wound into cheese by a winding device.
The self-twisting spinning machine has no high-speed parts and low noise. According to the characteristics of self-twist spinning, the longer the fiber, the easier it is to spin. Compared with other novel spinning technologies, the appearance structure of the self-twisting spinning yarn is closer to that of ring spinning yarn.
A steel wire rope core: the fiber core used by the steel wire rope is formed by twisting fibers, wherein the fibers can be natural fibers or synthetic fibers, the natural fibers mainly adopt sisal, and the synthetic fibers mainly adopt polyester, polyamide, polyethylene, polypropylene and the like. When the steel wire rope is subjected to collision and impact load in work, the fiber core can play a role in buffering. The natural fiber is adopted as the steel wire rope core, the natural fiber core has good oil absorption performance and more oil storage capacity, the steel wire rope can be ensured to release enough grease for lubrication in the steel wire rope in the working state, and the corrosion and the abrasion of the steel wire rope can be effectively slowed down. However, the surface of the rope core processed by natural fibers has more burrs and more production flows, which affects the production efficiency and increases the production cost, and the rope core of the steel wire rope produced by adopting synthetic fibers has the problems of insufficient oil content and the like.
Disclosure of Invention
The invention aims to: in order to overcome the defects of the prior art, the invention provides a novel steel wire rope core and a production method thereof.
The technical scheme is as follows: a novel steel wire rope core and a production method thereof comprise the following steps: picking up ramie → combing ramie (adding water) → drawing → spinning → stranding (soaking oil) → rope twisting → warehousing; the drafting system of the spinning machine adopts a drafting system of a TGS0950 sisal spinning machine, the twisting system adopts a roller type self-twisting spinning twisting winding system, the feeding system adopts two yarn strips which are fed in parallel, one sisal fiber strip is fed and drafted by the drafting system, the other chemical fiber filament is directly fed from a front roller, and the roller type self-twisting spinning twisting winding system is directly wound into a cone yarn.
The self-twisting spinning specification of the sisal hemp and the high-strength low-elongation polyester filament is as follows: 0.80m/g, wherein: one is high-strength high-modulus low-elongation polyester yarn with the diameter of 3 multiplied by 900D/24F, and the other is sisal fiber strip;
sisal hemp and ultra-high molecular weight polyethylene filament self-twisting spinning specification: 0.80m/g, wherein: one is the ultra-high molecular weight polyethylene filament is 3 multiplied by 900D/24F, and the other is sisal fiber strips;
self-twisting spinning of sisal hemp and high-strength low-elongation polyester filament: 6, after stranding by a wire making machine, carrying out oil immersion treatment;
self-twisting spinning of sisal and ultra-high molecular weight polyethylene filaments: 6, stranding in a wire making machine without oil immersion treatment;
4 sisal hemp and high-strength low-elongation polyester filament self-twisting yarn compound yarns and 2 sisal hemp and ultrahigh molecular weight polyethylene filament self-twisting yarn compound yarns are put in a warehouse after being twisted by a rope making machine;
as an optimization: the fiber section of the high-strength high-modulus low-elongation polyester yarn is of a trilobal structure.
As an optimization: the fiber section of the ultra-high molecular weight polyethylene filament is of a trilobal structure.
As an optimization: the ultra-high molecular weight polyethylene fiber is pretreated firstly, and the process is as follows: carrying out oleophylic treatment on ultra-high molecular weight polyethylene fiber filaments: and (3) carrying out grafting reaction on the ultrahigh molecular weight polyethylene by using a continuous ultraviolet irradiation grafting reaction device.
As an optimization: in the continuous ultraviolet irradiation grafting reaction device, the fiber to be grafted continuously passes through a pre-immersion liquid bath and enters a reaction chamber, and grafting reaction is carried out when the fiber passes through the reaction chamber.
As an optimization: in the reaction chamber: the reaction solution is a grafting monomer acrylic acid solution, the temperature of a reaction chamber is 50-70 ℃, nitrogen is introduced into the reaction chamber for protection, fiber filaments soaked by a photosensitizer solution in the reaction chamber are subjected to gas phase grafting reaction under ultraviolet irradiation and an acrylic acid steam atmosphere, and then the fiber filaments are washed by an acetone bath and warm water.
As an optimization: the ultraviolet light source in the ultraviolet irradiation is a GGZ1000 straight high-pressure mercury lamp.
As an optimization: the pre-immersion liquid is configured as follows: dissolving benzophenone and acrylic acid in acetone to obtain a solution with acrylic acid concentration of 30-50, wherein the ratio of benzophenone/acrylic acid is 4-10%.
As an optimization: in the reaction chamber, the time of ultraviolet irradiation under the protection of nitrogen is 10-60 min.
As an optimization: in the reaction chamber, the higher the reaction temperature is, the faster the reaction is; the longer the irradiation time, the higher the grafting yield of the acrylic acid obtained.
Has the advantages that: the spinning machine adopts a sisal hemp spinning machine which is technically improved, the drafting part adopts a drafting system of a TGS0950 type sisal hemp spinning machine, and the twisting part is improved into a twisting roller type self-twisting spinning twisting winding device: two fiber strips are fed, one fiber strand is drafted by a drafting device and then led out from a front roller, the other chemical fiber filament is directly fed and led out from the front roller, one end of the two fiber strands output from the front roller is held by the front roller, the other end of the two fiber strands is held by a converging yarn guide hook, a pair of twisting rollers (false twisters) which do rotary motion and reciprocating motion are arranged between two holding points, the fiber strands are twisted by the pair of twisting rollers to obtain single strands with opposite twist directions (S twist and Z twist) on the fiber strands on two sides of the twisting rollers, when the two single strands with the alternatively changed twist directions leave the twisting rollers and meet at the converging yarn guide hook, the two single strands are twisted into compound strands due to self-twisting action generated by respective untwisting torques of the two strands, and then the compound strands are wound into a self-twisted yarn. The spinning machine adopts sisal fiber as one feeding raw material and chemical fiber filament as the other, forms self-twisting spinning of the chemical fiber filament and the sisal fiber, and forms a steel wire rope core with unique structure and performance characteristics through twisting, oiling and rope making.
The ultra-high molecular weight polyethylene and the high-strength high-modulus low-elongation polyester yarn adopt the trilobal structure, so that the capillary effect is convenient to form, the oil can be transmitted, and the long yarn is small in fineness, soft and convenient to wind on the surface of sisal yarn.
In the invention, because the ultra-high molecular weight polyethylene fiber can not be boiled and oiled, the high-strength high-modulus polyester filament can be boiled and oiled. Therefore, the high-strength high-modulus polyester filament yarn and sisal hemp self-twisting yarn are subjected to oiling treatment after forming a folded yarn, and then the folded yarn and the folded yarn prepared from the self-twisting yarn formed by the ultra-high molecular weight polyethylene filament yarn and sisal hemp are subjected to rope twisting processing. The grafting oleophylic treatment is carried out on the ultra-high molecular weight polyethylene, so that the oil absorption speed is improved.
The chemical fiber filament and the sisal are adopted for self-twisting spinning, the surface of the yarn is smooth, the burrs are few, and the package form of the self-twisting spinning is large, so the sisal yarn produced by the method can be free from special procedures of shearing, singeing and spooling, the production procedures are shortened, the labor is reduced, the loss of raw materials and energy is reduced, and the efficiency is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below so that those skilled in the art can better understand the advantages and features of the present invention, and thus the scope of the present invention will be more clearly defined. The embodiments described herein are only a few embodiments of the present invention, rather than all embodiments, and all other embodiments that can be derived by one of ordinary skill in the art without inventive faculty based on the embodiments described herein are intended to fall within the scope of the present invention.
Examples
A novel steel wire rope core and a production method thereof comprise the following steps: picking up ramie → combing ramie (adding water) → drawing → spinning → stranding (soaking oil) → rope twisting → warehousing; the drafting system of the spinning machine adopts a drafting system of a TGS0950 sisal spinning machine, the twisting system adopts a roller type self-twisting spinning twisting winding system, the feeding system adopts two yarn strips which are fed in parallel, one sisal fiber strip is fed and drafted by the drafting system, the other chemical fiber filament is directly fed from a front roller, and the roller type self-twisting spinning twisting winding system is directly wound into a cone yarn.
The self-twisting spinning specification of the sisal hemp and the high-strength low-elongation polyester filament is as follows: 0.80m/g, wherein: one is high-strength high-modulus low-elongation polyester yarn with the diameter of 3 multiplied by 900D/24F, and the other is sisal fiber strip;
sisal hemp and ultra-high molecular weight polyethylene filament self-twisting spinning specification: 0.80m/g, wherein: one is the ultra-high molecular weight polyethylene filament is 3 multiplied by 900D/24F, and the other is sisal fiber strips;
self-twisting spinning of sisal hemp and high-strength low-elongation polyester filament: 6, after stranding by a wire making machine, carrying out oil immersion treatment;
self-twisting spinning of sisal and ultra-high molecular weight polyethylene filaments: 6, stranding in a wire making machine without oil immersion treatment;
4 sisal hemp and high-strength low-elongation polyester filament self-twisting yarn compound yarns and 2 sisal hemp and ultrahigh molecular weight polyethylene filament self-twisting yarn compound yarns are put in a warehouse after being twisted by a rope making machine;
the ultra-high molecular weight polyethylene fiber is pretreated firstly, and the process is as follows: the ultra-high molecular weight polyethylene fiber filament is subjected to oleophylic treatment, wherein the oleophylic treatment is mainly to carry out grafting reaction on the ultra-high molecular weight polyethylene by a continuous ultraviolet irradiation grafting reaction device. The continuous ultraviolet irradiation grafting reaction device comprises: continuously passing the fiber to be grafted through a pre-dip bath and into a reaction chamber, the grafting reaction taking place while passing through the reaction chamber, wherein: the ultraviolet light source is a GGZ1000 straight high-pressure mercury lamp, the reaction liquid is a grafting monomer acrylic acid solution, the temperature of the reaction chamber is 50-70 ℃, nitrogen is introduced into the reaction chamber for protection, fiber filaments soaked by the photosensitizer solution are subjected to gas phase grafting reaction under the irradiation of ultraviolet rays and the atmosphere of acrylic acid steam in the reaction chamber, and then the fiber filaments are washed by an acetone bath and warm water. Dissolving benzophenone and acrylic acid in acetone to obtain a solution with acrylic acid concentration of 30-50, wherein the ratio of benzophenone/acrylic acid is 4-10%, and the solution is used as a pre-immersion liquid. The continuous fiber passes through the pre-immersion liquid of the bath and then passes through the ultraviolet radiation reaction chamber protected by nitrogen for 10-60min of radiation. The reaction temperature can be positioned at 50-70 ℃, and the higher the temperature is, the faster the reaction is; the longer the irradiation time, the higher the grafting yield of the acrylic acid obtained.
In this embodiment, the cross-section of the high-strength high-modulus low-elongation polyester yarn is in a trefoil structure. The fiber section of the ultra-high molecular weight polyethylene filament is of a trilobal structure.
The spinning machine adopts a sisal hemp spinning machine which is technically improved, the drafting part adopts a drafting system of a TGS0950 type sisal hemp spinning machine, and the twisting part is improved into a twisting roller type self-twisting spinning twisting winding device: two fiber strips are fed, one fiber strip is drawn by a drawing device and then led out from a front roller, the other chemical fiber filament is directly fed and led out from the front roller, one end of the two fiber strips output from the front roller is held by the front roller, the other end of the two fiber strips is held by a converging yarn guide hook, a pair of twisting rollers (false twisters) which do rotary motion and reciprocating motion are arranged between two holding points, the fiber strips are twisted by the pair of twisting rollers to obtain single yarn strips with opposite twisting directions (S twist and z twist) on the fiber strips on the two sides of the twisting rollers, when the two single yarn strips with the alternatively changed twisting directions leave the twisting rollers and meet at the converging yarn guide hook, the single yarn strips generate self-twisting action due to the respective untwisting torques of the two yarn strips to be twisted into compound yarn, and then the compound yarn is formed into self-twisted yarn, and then the compound yarn is wound into a bobbin yarn. The spinning machine adopts sisal fiber as one feeding raw material and chemical fiber filament as the other, forms self-twisting spinning of the chemical fiber filament and the sisal fiber, and forms a steel wire rope core with unique structure and performance characteristics through twisting, oiling and rope making.
The ultra-high molecular weight polyethylene and the high-strength high-modulus low-elongation polyester yarn adopt the trilobal structure, so that the capillary effect is convenient to form, the oil can be transmitted, and the long yarn is small in fineness, soft and convenient to wind on the surface of sisal yarn.
In the invention, because the ultra-high molecular weight polyethylene fiber can not be boiled and oiled, the high-strength high-modulus polyester filament can be boiled and oiled. Therefore, the high-strength high-modulus polyester filament yarn and sisal hemp self-twisting yarn are subjected to oiling treatment after forming a folded yarn, and then the folded yarn and the folded yarn prepared from the self-twisting yarn formed by the ultra-high molecular weight polyethylene filament yarn and sisal hemp are subjected to rope twisting processing. The grafting oleophylic treatment is carried out on the ultra-high molecular weight polyethylene, so that the oil absorption speed is improved.
The chemical fiber filament and the sisal are adopted for self-twisting spinning, the surface of the yarn is smooth, the burrs are few, and the package form of the self-twisting spinning is large, so the sisal yarn produced by the method can be free from special procedures of shearing, singeing and spooling, the production procedures are shortened, the labor is reduced, the loss of raw materials and energy is reduced, and the efficiency is improved.
Claims (9)
1. A novel steel wire rope core and a production method thereof are characterized in that: the method comprises the following steps: picking up the ramie → combing the ramie → drawing → spinning → twisting the strand → rope twisting → warehousing; the drafting system of the spinning machine adopts a drafting system of a TGS0950 sisal spinning machine, the twisting system adopts a roller type self-twisting spinning twisting winding system, the feeding system adopts two yarn strips which are fed in parallel, one sisal fiber strip is fed and drafted by the drafting system, the other chemical fiber filament is directly fed from a front roller, and the fiber filament is directly wound into a cone yarn after the roller type self-twisting spinning twisting;
the self-twisting spinning specification of the sisal hemp and the high-strength low-elongation polyester filament is as follows: 0.80m/g, wherein: one is high-strength high-modulus low-elongation polyester yarn with the diameter of 3 multiplied by 900D/24F, and the other is sisal fiber strip;
sisal hemp and ultra-high molecular weight polyethylene filament self-twisting spinning specification: 0.80m/g, wherein: one is the ultra-high molecular weight polyethylene filament is 3 multiplied by 900D/24F, and the other is sisal fiber strips;
self-twisting spinning of sisal hemp and high-strength low-elongation polyester filament yarns: 6, after stranding by a wire making machine, carrying out oil immersion treatment;
self-twisting spinning of sisal and ultra-high molecular weight polyethylene filaments: 6, stranding in a wire making machine without oil immersion treatment;
4 sisal hemp and high-strength low-elongation polyester filament self-twisting yarn compound yarns and 2 sisal hemp and ultra-high molecular weight polyethylene filament self-twisting yarn compound yarns are put in a warehouse after being twisted by a rope making machine.
2. The novel steel wire rope core and the production method thereof according to claim 1 are characterized in that: the fiber section of the high-strength high-modulus low-elongation polyester yarn is of a trilobal structure.
3. The novel steel wire rope core and the production method thereof according to claim 1 are characterized in that: the fiber section of the ultra-high molecular weight polyethylene filament is of a trilobal structure.
4. The novel steel wire rope core and the production method thereof according to claim 1 are characterized in that: the ultra-high molecular weight polyethylene fiber is pretreated firstly, and the process is as follows: carrying out oleophylic treatment on ultra-high molecular weight polyethylene fiber filaments: and carrying out grafting reaction on the ultrahigh molecular weight polyethylene by using a continuous ultraviolet irradiation grafting reaction device.
5. The novel steel wire rope core and the production method thereof according to claim 4 are characterized in that: in the continuous ultraviolet irradiation grafting reaction device, the fiber to be grafted continuously passes through a pre-immersion liquid bath and enters a reaction chamber, and grafting reaction is carried out when the fiber passes through the reaction chamber.
6. The novel steel wire rope core and the production method thereof according to claim 5 are characterized in that: in the reaction chamber: the reaction solution is a grafting monomer acrylic acid solution, the temperature of a reaction chamber is 50-70 ℃, nitrogen is introduced into the reaction chamber for protection, fiber filaments soaked by a photosensitizer solution in the reaction chamber are subjected to gas phase grafting reaction under ultraviolet irradiation and an acrylic acid steam atmosphere, and then the fiber filaments are washed by an acetone bath and warm water.
7. The novel steel wire rope core and the production method thereof according to claim 5 are characterized in that: the ultraviolet light source in the ultraviolet irradiation is a GGZ1000 straight high-pressure mercury lamp.
8. The novel steel wire rope core and the production method thereof according to claim 6 are characterized in that: in the reaction chamber, the time of ultraviolet irradiation under the protection of nitrogen is 10-60 min.
9. The novel steel wire rope core and the production method thereof according to claim 6 are characterized in that: in the reaction chamber, the higher the reaction temperature is, the faster the reaction is; the longer the irradiation time, the higher the grafting yield of the acrylic acid obtained.
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|---|---|---|---|---|
| CN110846766A (en) * | 2019-11-27 | 2020-02-28 | 湖南中泰特种装备有限责任公司 | Cut-resistant yarn and production process thereof |
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