CN112575423B - High-strength composite fiber for medical apparatus - Google Patents
High-strength composite fiber for medical apparatus Download PDFInfo
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- CN112575423B CN112575423B CN202011634795.3A CN202011634795A CN112575423B CN 112575423 B CN112575423 B CN 112575423B CN 202011634795 A CN202011634795 A CN 202011634795A CN 112575423 B CN112575423 B CN 112575423B
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- 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
- D02G3/36—Cored or coated yarns or threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- 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
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
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- 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
- D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
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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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
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- 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
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
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- 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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Abstract
The invention belongs to the technical field of fiber materials, and particularly relates to a high-strength composite fiber for medical instruments. According to the invention, the composite fiber for the medical instrument, which is high in tensile strength and good in antibacterial effect, is prepared by compounding the hollow carbon fiber core wire, the outer layer hollow carbon fiber, the polyester fiber wire, the polyurethane bonding strip and the nano-silver antibacterial layer. The telescopic tubular heater structurally comprises a fixed tube unit, an electric heating wire tube unit, a rotary insertion plate unit, a tension spring unit and a movable heat preservation tube unit, and has the advantages of adjustable heating amplitude, flexible and adjustable heat preservation strength and time, convenient and quick integral adjustment and use, high integral structure stability and suitability for various different heating and curing requirements of composite fibers.
Description
Technical Field
The invention belongs to the technical field of fiber materials, and particularly relates to a high-strength composite fiber for medical instruments.
Background
The composite fiber is a complex fiber product which is prepared by combining a plurality of single fibers or adding a functional coating on the fiber, and aims to strengthen various performance parameters of the single fiber or add new functions, wherein the existing composite fiber types comprise flame-retardant fibers, bacteriostatic fibers, twisted fibers and multilayer nested fibers.
On the other hand, fibers for medical devices are necessarily required to have at least the following two advantages: firstly, the strength is high, and mechanical equipment or the body of a patient can be stably supported; secondly, the bacteriostatic effect is good, and the sufficient cleanliness of the surface can be ensured in a place with relatively more viruses and bacteria in a hospital.
Therefore, in view of the above, there is a strong need for a composite fiber with high strength and bacteriostatic function for medical devices.
In addition, the existing antibacterial fiber lacks an improved fiber heating device which is convenient to use and flexible and adjustable in heating and curing strength when an outer antibacterial layer of the existing antibacterial fiber is cured and molded.
Patent publication number is CN210765663U, and the china utility model patent that bulletins day is 2020.06.16 discloses a ventilative antibiotic living beings fibre of leading wet, including fiber body, be equipped with fibre hank core on fiber body, outer package cotton-flax fiber, the composite fiber core, the hole core, be equipped with fibre hank core in fiber body's inside, fibre hank core adopts two bundles of composite fiber core transposition each other together, the inside central authorities of composite fiber core are equipped with the hole core, the hole core runs through whole composite fiber core, the lateral wall of composite fiber core is equipped with the aperture, the aperture and the hole core intercommunication of composite fiber core lateral wall are equipped with outer package cotton-flax fiber in the outside of fibre hank core.
But the antibacterial biomass fiber in the utility model has the problem that the antibacterial effect is not lasting enough.
Patent publication number is CN211891612U, the china utility model patent that bulletins day is 2020.11.10 discloses a heating device of carbon fiber preimpregnation cloth machine, including the heating cabinet, the bottom rigid coupling of heating cabinet has the supporting leg, the equal rigid coupling in inner chamber top and the bottom of heating cabinet has three groups to be the holder that the horizontal array form distributes, the holder includes the telescopic link of two sets of front and back symmetries, the flexible end of two sets of telescopic links is all connected and is provided with the bearing housing, the circumference outside of two sets of telescopic links all is provided with first spring, and first spring rigid coupling is between heating cabinet and bearing housing, rotate through the bearing between two sets of bearing housings and be connected with the bull stick.
But the heating device in the utility model has the problem that the operation of adjusting the heating amplitude is not convenient enough.
Disclosure of Invention
The invention provides a high-strength composite fiber for medical instruments, which can be used for preparing the composite fiber for the medical instruments with high tensile strength and good antibacterial effect by compounding a hollow carbon fiber core wire, an outer layer hollow carbon fiber, a polyester fiber wire, a polyurethane bonding strip and a nano-silver antibacterial layer. The telescopic tubular heater structurally comprises a fixed tube unit, an electric heating wire tube unit, a rotary insertion plate unit, a tension spring unit and a movable heat preservation tube unit, and has the advantages of adjustable heating amplitude, flexible and adjustable heat preservation strength and time, convenient and quick integral adjustment and use, high integral structure stability and suitability for various different heating and curing requirements of composite fibers.
The technical scheme adopted by the invention for solving the problems is as follows: a high-strength composite fiber for medical instruments comprises a hollow carbon fiber core wire, an outer layer hollow carbon fiber arranged on the outer side of the hollow carbon fiber core wire, a polyester fiber wire arranged between the hollow carbon fiber core wire and the outer layer hollow carbon fiber, a polyurethane bonding strip arranged between the hollow carbon fiber core wire and the outer layer hollow carbon fiber and used for fixing the polyester fiber wire, and a nano silver antibacterial layer arranged on the outer ring surface of the outer layer hollow carbon fiber.
The further preferred technical scheme is as follows: the outer diameter of the hollow carbon fiber core wire is 50-150 μm, the inner diameter is 15-25 μm, the outer diameter of the outer layer hollow carbon fiber is 650 μm, and the inner diameter is 400-530 μm.
The further preferred technical scheme is as follows: the number of the polyester fiber wires is 3-8, and the polyester fiber wires are uniformly arranged between the hollow carbon fiber core wires and the outer layer hollow carbon fibers at intervals according to a circumferential arrangement mode.
The further preferred technical scheme is as follows: the nano-silver bacteriostatic layer is formed by heating and curing a composite nano-silver bacteriostatic agent, wherein the composite nano-silver bacteriostatic agent comprises nano silver powder, epoxy resin, bamboo charcoal powder, microcrystalline paraffin and chitosan, and is cured and molded by a telescopic tubular heater.
The further preferred technical scheme is as follows: the structure of the telescopic tubular heater comprises a fixed pipe unit, an electric heating wire pipe unit, a rotary insertion plate unit, a tension spring unit and a movable heat preservation pipe unit, wherein the fixed pipe unit is provided with an opening structure for radial heating and used for firstly entering fibers to be heated, the electric heating wire pipe unit is arranged on the outer side of the fixed pipe unit, the rotary insertion plate unit is arranged on the fixed pipe unit and used for adjusting the opening area of the opening structure for heating, the tension spring unit is arranged on the fixed pipe unit and located on the downstream of the conveying direction of the fibers to be heated, and the movable heat preservation pipe unit is arranged on the tension spring unit and connected with the electric heating wire pipe unit.
The further preferred technical scheme is as follows: the fixed pipe unit comprises a first circular pipe, two suspension columns respectively arranged at two ends of the outer ring surface of the first circular pipe, an axial insertion groove which is inwards formed on one side end surface of the first circular pipe, far away from the tension spring unit, and has a sector annular vertical section shape, and a side heating port which radially penetrates through the axial insertion groove and is positioned in the electric heating wire pipe unit.
The further preferred technical scheme is as follows: the electric heating wire tube unit comprises a second round tube, two sealing rings, two mounting holes, a conductive post and a spiral electric heating wire, wherein the second round tube is sleeved on the outer side of the first round tube, the two sealing rings are respectively arranged at two ends of the second round tube and are used for connecting the outer ring surface of the first round tube, the two mounting holes are respectively arranged at two end positions on the second round tube, the conductive post is clamped on the mounting holes, and two ends of the spiral electric heating wire are respectively arranged on the two conductive posts and are wound on the outer side of the first round tube.
The further preferred technical scheme is as follows: the rotary inserting plate unit comprises an inserting plate which is inserted into the axial inserting groove, has a sector-shaped vertical section and is used for adjusting the opening area of the side heating port in a rotating and inserting and pulling mode, and a rotary adjusting plate arranged at the exposed end of the inserting plate.
The further preferred technical scheme is as follows: the extension spring unit includes that one end is connected first pipe, the other end are used for the pulling the extension spring main part of activity type insulating tube unit to and one end is connected first pipe, the other end are connected activity type insulating tube unit just is located the tube-shape elastic membrane in extension spring main part outside.
The further preferred technical scheme is as follows: the activity type insulating tube unit includes that one end is equipped with the extension spring main part with the third pipe of tube-shape elastic membrane sets up trompil board on the third pipe outer ring face, one end sets up and is being close to activity type insulating tube unit seal with on the ring side, the other end insert the screw thread post of trompil board, and set up and be in on the screw thread post and be used for outside spacing fixed the insulating tube adjusting nut of trompil board.
According to the invention, the composite fiber for the medical instrument, which is high in tensile strength and good in antibacterial effect, is prepared by compounding the hollow carbon fiber core wire, the outer layer hollow carbon fiber, the polyester fiber wire, the polyurethane bonding strip and the nano-silver antibacterial layer. The telescopic tubular heater structurally comprises a fixed tube unit, an electric heating wire tube unit, a rotary insertion plate unit, a tension spring unit and a movable heat preservation tube unit, and has the advantages of adjustable heating amplitude, flexible and adjustable heat preservation strength and time, convenient and quick integral adjustment and use, high integral structure stability and suitability for various different heating and curing requirements of composite fibers.
Drawings
FIG. 1 is a schematic cross-sectional view of a composite fiber according to the present invention.
Fig. 2 is a schematic structural view of the telescopic tubular heater of the present invention.
Fig. 3 is a schematic view of the use of the insert plate of the present invention.
FIG. 4 is a schematic view of the position structure of the side heating port of the present invention.
FIG. 5 is a schematic structural view of a wire tube unit according to the present invention.
Fig. 6 is a schematic view of the position structures of the tension spring unit and the movable heat-insulating pipe unit according to the present invention.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, a high strength composite fiber for medical devices includes a hollow carbon fiber core 11, an outer layer hollow carbon fiber 12 disposed outside the hollow carbon fiber core 11, a polyester fiber thread 13 disposed between the hollow carbon fiber core 11 and the outer layer hollow carbon fiber 12, a polyurethane adhesive tape 14 disposed between the hollow carbon fiber core 11 and the outer layer hollow carbon fiber 12 for fixing the polyester fiber thread 13, and a nano silver antibacterial layer 15 disposed on an outer circumferential surface of the outer layer hollow carbon fiber 12.
In this embodiment, the polyurethane adhesive strips 14 are extruded by the existing polyurethane adhesive and then cured, and the nano-silver antibacterial layer 15 is bonded to the outer annular surface of the outer layer hollow carbon fiber 12 and cured to form the composite fiber with high tensile strength and good antibacterial effect, which is suitable for medical devices.
The outer diameter of the hollow carbon fiber core wire 11 is 50-150 μm, the inner diameter is 15-25 μm, the outer diameter of the outer layer hollow carbon fiber 12 is 650 μm, and the inner diameter is 400-530 μm.
The number of the polyester fiber wires 13 is 3-8, and the polyester fiber wires are uniformly arranged between the hollow carbon fiber core wires 11 and the outer layer hollow carbon fibers 12 at intervals according to a circumferential arrangement mode.
The nano-silver bacteriostatic layer 15 is formed by heating and curing a composite nano-silver bacteriostatic agent, wherein the composite nano-silver bacteriostatic agent comprises nano silver powder, epoxy resin, bamboo charcoal powder, microcrystalline paraffin and chitosan, and is cured and molded by a telescopic tubular heater.
In this embodiment, compound nano-silver bacteriostat mixes, coating solidification parameter through current stirring and guarantees basic shaping effect, and concertina type tubular heater then is used for making the heating curing operation have adjustability and stability, guarantees that heating, heat retaining solidification degree adjust to optimum state, avoids solidification not enough, solidification too fast or heats too much after the problem that the coating splits.
The structure of the telescopic tubular heater comprises a fixed pipe unit 1 which is provided with an opening structure for radial heating and used for firstly entering fibers to be heated, an electric heating wire pipe unit 2 arranged on the outer side of the fixed pipe unit 1, a rotary insertion plate unit 3 arranged on the fixed pipe unit 1 and used for adjusting the opening area of the opening structure for heating, a tension spring unit 4 arranged on the fixed pipe unit 1 and positioned on the downstream of the fiber conveying direction to be heated, and a movable heat preservation pipe unit 5 arranged on the tension spring unit 4 and connected with the electric heating wire pipe unit 2.
In this embodiment, the heating intensity of electric heating wire tube unit 2 is invariable uncontrollable, rotatory board unit 3 of inserting then through fixed pipe unit 1 goes up the mode of rotation, pulling out and inserting, makes heating port effective area on the fixed pipe unit 1 can adjust and change, like this the heating intensity that the fibre is just nimble adjustable to be cured to electric heating wire tube unit 2.
In addition, extension spring unit 4 adds the effect of activity type insulating tube unit 5 and makes the fibre of waiting to solidify still have the heat preservation solidification effect after the heating, wherein activity type insulating tube unit 5 is kept away from fixed pipe unit 1, for the heat preservation time extension, otherwise is close to promptly to shorten for the heat preservation time, finally makes nano silver antibacterial layer 15 can have optimum curing speed, solidification degree, and this in-process, extension spring unit 4 is through its elasticity and whole covering performance, guarantees to cover insulation construction's scalability.
The fixed pipe unit 1 comprises a first circular pipe 101, two suspension columns 102 respectively arranged at two ends of the outer annular surface of the first circular pipe 101, an axial insertion groove 103 which is inward opened from one side end surface of the first circular pipe 101 far away from the tension spring unit 4 and has a sector annular vertical cross section, and a side heating port 104 which radially penetrates through the axial insertion groove 103 and is positioned inside the electric heating wire pipe unit 2.
In this embodiment, the side heating port 104 has two position shape characteristics, the first is located on one side of the annular axial insertion groove 103, so that the plate unit 3 is inserted in rotation to adjust the actual effective heat transfer area of the side heating port 104, and the second is that the side heating port 104 has a proper axial length, so that the plate unit 3 is inserted in rotation to pull out the axial insertion groove 103, and also to adjust the actual effective heat transfer area of the side heating port 104, and finally the heating degree of the fiber to be cured is flexible and adjustable.
The electric heating wire tube unit 2 includes a second circular tube 201 sleeved outside the first circular tube 101, two sealing rings 202 respectively disposed at two ends of the second circular tube 201 and used for connecting an outer circumferential surface of the first circular tube 101, two mounting holes 203 respectively disposed at two end positions on the second circular tube 201, a conductive post 204 engaged with the mounting hole 203, and a spiral electric heating wire 205 having two ends respectively disposed on the two conductive posts 204 and wound around an outer side of the first circular tube 101.
In this embodiment, the spiral heating wire 205 is a heating wire made of a conventional metal material, and the sealing ring 202 is used to fix the whole heating wire tube unit 2 on the outer circumferential surface of the first circular tube 101, and further ensure that the heat of the spiral heating wire 205 has a high utilization rate.
The rotary insert plate unit 3 includes an insert plate 301 inserted into the axial insertion groove 103 and having a vertical section in a sector shape for adjusting an open area of the side heating port 104 by rotation and insertion, and a rotary adjustment plate 302 provided on an exposed end of the insert plate 301.
In this embodiment, the fan-shaped ring structure of the insertion plate 301 is smaller than the axial insertion slot 103, so as to ensure that the insertion plate 301 can be rotated and pulled out in the axial insertion slot 103, and the frictional engagement strength between the insertion plate and the axial insertion slot is sufficient, and the rotary adjusting plate 302 is also provided with a central hole for the fiber to be solidified to pass through.
Extension spring unit 4 includes that one end is connected first pipe 101, the other end is used for the pulling extension spring main part 401 of activity type insulating tube unit 5, and one end is connected first pipe 101, the other end is connected activity type insulating tube unit 5 just is located the tube-shape elastic membrane 402 in extension spring main part 401 outside.
In this embodiment, the material of tube-shape elastic membrane 402 is current resin elastic membrane, guarantees when the activity type insulating tube unit 5 makes a round trip to slide about the activity type insulating tube unit 5 with can not expose between the first pipe 101 treat cured fiber can for guarantee the continuity of heat preservation effect.
The movable heat-insulating pipe unit 5 includes a third circular pipe 501 having one end provided with the tension spring main body 401 and the cylindrical elastic membrane 402, a perforated plate 502 provided on an outer circumferential surface of the third circular pipe 501, a threaded post 503 having one end provided on a side surface of the sealing ring 202 close to the movable heat-insulating pipe unit 5 and the other end inserted into the perforated plate 502, and a heat-insulating pipe adjusting nut 504 provided on the threaded post 503 and used for outwardly positioning and fixing the perforated plate 502.
In this embodiment, extension spring main part 401 is towards first pipe 101 direction pulling third pipe 501, and insulating tube adjusting nut 504 is again blocked on the screw thread post 503 trompil board 502, like this insulating tube adjusting nut 504 adjusts the action about, can convert into regulation effect about third pipe 501, when coating solidification operation needs longer heat preservation time, third pipe 501 suitably keeps away from first pipe 101, otherwise then is close to, finally guarantees nano silver antibacterial layer 15 is abundant and suitable in the solidification under adjustable heating action, the heat preservation action, and the solidification shaping is effectual, just can guarantee that antibacterial effect lasts effectively, promptly nano silver antibacterial layer 15 is difficult too fast to drop.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.
Claims (8)
1. A high strength composite fiber for medical devices, characterized by: the antibacterial coating comprises a hollow carbon fiber core wire (11), outer-layer hollow carbon fibers (12) arranged on the outer side of the hollow carbon fiber core wire (11), a polyester fiber wire (13) arranged between the hollow carbon fiber core wire (11) and the outer-layer hollow carbon fibers (12), a polyurethane bonding strip (14) arranged between the hollow carbon fiber core wire (11) and the outer-layer hollow carbon fibers (12) and used for fixing the polyester fiber wire (13), and a nano silver antibacterial layer (15) arranged on the outer ring surface of the outer-layer hollow carbon fibers (12);
the nano silver antibacterial layer (15) is formed by heating and curing a composite nano silver antibacterial agent, wherein the composite nano silver antibacterial agent comprises nano silver powder, epoxy resin, bamboo charcoal powder, microcrystalline paraffin and chitosan, and is cured and molded by a telescopic tubular heater;
the structure of the telescopic tubular heater comprises a fixed pipe unit (1) which is provided with an opening structure for radial heating and used for firstly entering fibers to be heated, an electric heating wire pipe unit (2) arranged on the outer side of the fixed pipe unit (1), a rotary insertion plate unit (3) which is arranged on the fixed pipe unit (1) and used for adjusting the opening area of the opening structure for heating, a tension spring unit (4) which is arranged on the fixed pipe unit (1) and is positioned on the downstream of the fiber conveying direction to be heated, and a movable heat preservation pipe unit (5) which is arranged on the tension spring unit (4) and connected with the electric heating wire pipe unit (2).
2. A high strength composite fiber for medical devices according to claim 1, wherein: the outer diameter of the hollow carbon fiber core wire (11) is 50-150 μm, the inner diameter is 15-25 μm, the outer diameter of the outer layer hollow carbon fiber (12) is 650 μm and the inner diameter is 400-530 μm.
3. A high strength composite fiber for medical devices according to claim 1, wherein: the number of the polyester fiber wires (13) is 3-8, and the polyester fiber wires are uniformly arranged between the hollow carbon fiber core wires (11) and the outer layer hollow carbon fibers (12) at intervals according to a circumferential arrangement mode.
4. A high strength composite fiber for medical devices according to claim 1, wherein: the fixed pipe unit (1) comprises a first circular pipe (101), two suspension columns (102) which are respectively arranged at two end positions on the outer annular surface of the first circular pipe (101), an axial insertion groove (103) which is inwards formed in the end surface of one side of the first circular pipe (101) far away from the tension spring unit (4) and has a sector annular vertical cross section, and a side heating port (104) which radially penetrates through the axial insertion groove (103) and is positioned inside the electric heating wire pipe unit (2).
5. The high-strength composite fiber for medical instruments according to claim 4, wherein: the electric heating wire tube unit (2) comprises a second circular tube (201) sleeved on the outer side of the first circular tube (101), two closed circular rings (202) which are respectively arranged at two ends of the second circular tube (201) and used for connecting the outer annular surface of the first circular tube (101), two mounting holes (203) which are respectively arranged at two end positions on the second circular tube (201), a conductive column (204) which is clamped on the mounting holes (203), and a spiral electric heating wire (205) which is respectively arranged at two ends on the conductive column (204) and is wound on the outer side of the first circular tube (101).
6. A high strength composite fiber for medical devices according to claim 5, wherein: the rotary inserting plate unit (3) comprises an inserting plate (301) which is inserted into the axial inserting groove (103), has a sector-shaped vertical section and is used for adjusting the opening area of the side heating port (104) in a rotating and inserting mode, and a rotary adjusting plate (302) arranged on the exposed end of the inserting plate (301).
7. A high strength composite fiber for medical devices according to claim 5, wherein: extension spring unit (4) include that one end is connected first pipe (101), the other end are used for the pulling extension spring main part (401) of activity type insulating tube unit (5), and one end is connected first pipe (101), the other end is connected activity type insulating tube unit (5) just are located tube-shape elastic membrane (402) in extension spring main part (401) outside.
8. The high-strength composite fiber for medical instruments according to claim 7, wherein: the movable heat-preservation pipe unit (5) comprises a third circular pipe (501) with one end provided with the tension spring main body (401) and the cylindrical elastic membrane (402), a perforated plate (502) arranged on the outer annular surface of the third circular pipe (501), a threaded column (503) with one end arranged on the side surface of the closed circular ring (202) close to the movable heat-preservation pipe unit (5) and the other end inserted into the perforated plate (502), and a heat-preservation pipe adjusting nut (504) arranged on the threaded column (503) and used for limiting and fixing the perforated plate (502) outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011634795.3A CN112575423B (en) | 2020-12-31 | 2020-12-31 | High-strength composite fiber for medical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011634795.3A CN112575423B (en) | 2020-12-31 | 2020-12-31 | High-strength composite fiber for medical apparatus |
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| CN211420418U (en) * | 2019-09-24 | 2020-09-04 | 山东军星被装有限公司 | High-strength composite fiber |
| CN211713295U (en) * | 2019-12-23 | 2020-10-20 | 吴江罗太化纤有限公司 | Multifunctional coated yarn |
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| CN101044284B (en) * | 2004-10-19 | 2010-12-01 | 东京制纲株式会社 | Cable composed of high strength fiber composite material |
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| CN1084912A (en) * | 1992-06-06 | 1994-04-06 | 巴马格股份公司 | The heater that is used for advancing yarn |
| FR2695654A1 (en) * | 1993-03-11 | 1994-03-18 | Icbt Roanne | Moving yarn heater - has a monobloc section of large dia. with stepped recessed zones along its length |
| DE19613379A1 (en) * | 1996-04-03 | 1997-10-09 | Barmag Barmer Maschf | Durable effective and easily disassembled heater for synthetic thread |
| CN105060739A (en) * | 2015-07-31 | 2015-11-18 | 长飞光纤光缆股份有限公司 | Light intensity-adjustable fiber coating layer ultraviolet curing apparatus |
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| CN211420418U (en) * | 2019-09-24 | 2020-09-04 | 山东军星被装有限公司 | High-strength composite fiber |
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| CN211713295U (en) * | 2019-12-23 | 2020-10-20 | 吴江罗太化纤有限公司 | Multifunctional coated yarn |
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