CN113062051B - Non-woven fabric and preparation method thereof - Google Patents
Non-woven fabric and preparation method thereof Download PDFInfo
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- CN113062051B CN113062051B CN202110364001.4A CN202110364001A CN113062051B CN 113062051 B CN113062051 B CN 113062051B CN 202110364001 A CN202110364001 A CN 202110364001A CN 113062051 B CN113062051 B CN 113062051B
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- fixedly connected
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- spinneret orifice
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
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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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/04—Cleaning spinnerettes or other parts of the spinnerette packs
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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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention belongs to the technical field of non-woven fabrics, and particularly relates to a non-woven fabric and a preparation method thereof, wherein the non-woven fabric is prepared from the following raw materials in parts by weight: 70-100 parts of polypropylene fiber, 70-100 parts of silk fiber, 10-20 parts of epoxy resin, 5-10 parts of plasticizer, 3-6 parts of flatting agent, 8-12 parts of styrene-butadiene rubber, 3-5 parts of waterproof agent, 1-2 parts of antioxidant, 1-2 parts of radix sophorae flavescentis powder and 1-2 parts of cortex phellodendri powder.
Description
Technical Field
The invention belongs to the technical field of non-woven fabrics, and particularly relates to a non-woven fabric and a preparation method thereof.
Background
The non-woven fabric is a non-woven fabric or called non-woven fabric, which is a fabric formed without spinning woven fabric, and is formed by only directionally or randomly arranging textile short fibers or filaments to form a fiber web structure and then reinforcing the fiber web structure by adopting mechanical, thermal bonding or chemical methods and the like.
In the prior art, most non-woven fabrics are insufficient in stretch resistance, the manufactured fabrics are often broken due to insufficient elasticity in certain specific occasions, and related medicines are not added into most non-woven fabrics, so that the anti-bacterial effect is poor.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that most non-woven fabrics are insufficient in tensile resistance, the manufactured fabrics are often broken due to insufficient elasticity in certain specific occasions, and the antibacterial effect of most non-woven fabrics is poor because related medicines are not added, the invention provides the non-woven fabrics and the preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the non-woven fabric provided by the invention is composed of the following raw materials in parts by weight:
70-100 parts of polypropylene fiber
70-100 parts of silk fiber
10-20 parts of epoxy resin
5-10 parts of plasticizer
3-6 parts of flatting agent
8-12 parts of styrene-butadiene rubber
3-5 parts of waterproof agent
1-2 parts of antioxidant
1-2 parts of sophora flavescens powder
1-2 parts of phellodendron bark powder
The elasticity of the non-woven fabric can be greatly improved by adding the plasticizer and the styrene-butadiene rubber, so that the non-woven fabric has better anti-stretching effect when in use, can be prevented from being pulled apart in certain specific occasions, the use stability of the non-woven fabric is improved, the waterproof performance of the non-woven fabric is improved by adding the waterproof agent, and meanwhile, the antibacterial effect of the non-woven fabric is enhanced by the lightyellow sophora root and the amur corktree bark powder, so that the non-woven fabric can be widely applied to the medical field.
A preparation method of non-woven fabric is suitable for the non-woven fabric, and the non-woven fabric is prepared by the following steps:
s1: grinding polypropylene fibers and silk fibers into powder, and then placing the powder, epoxy resin, styrene butadiene rubber and a small amount of water in a stirrer to stir for 10-15 minutes to obtain a fiber solution;
s2: adding a plasticizer, a flatting agent, a waterproof agent, an antioxidant, sophora flavescens powder and phellodendron amurense powder into the fiber solution, fully stirring for 25-30 minutes to obtain a non-woven fabric solution, and standing for 20 minutes for later use;
s3: centrifuging, drying and grinding the non-woven fabric solution to form powder, then adding the powder into a melt spinning machine for spinning, and obtaining a finished non-woven fabric after drafting, net forming and hot rolling;
the melt spinning machine in the S3 comprises a spinning box; a first support leg is fixedly connected to the lower side of the spinning box; a horizontally placed screw extrusion cylinder is arranged above the spinning box; a connecting pipe is fixedly connected between the screw extrusion cylinder and the spinning box and is used for communicating the screw extrusion cylinder with the spinning box; a second support leg is fixedly connected to the lower side of the screw extrusion cylinder; one end of the screw extrusion cylinder, which is far away from the connecting pipe, is fixedly connected with a motor; a hopper is fixedly connected to the position of the screw extrusion cylinder, which is close to the motor; a spinning outlet is formed in the position, close to the first support leg, of the spinning box; a winding wheel is rotatably connected to the position, close to the yarn outlet, of the spinning box; a spinneret plate is fixedly connected in the connecting pipe; the spinneret plate is provided with spinneret orifices; an electric heating plate is fixedly connected to the side wall of the spinneret orifice; during operation, melt spinning machine is after using, remains some raw materials fuse-element in the spinneret orifice on the spinneret easily, remains on the spinneret orifice lateral wall after the raw materials fuse-element solidification, causes the spinneret orifice to block up easily in the time of the good time, influences the normal work of spinning machine, switches on for the electric plate when starting melt spinning machine for the raw materials of solidification melts on the spinneret orifice lateral wall, and then from the roll-off in the spinneret orifice, prevents to block up, increases the function of automatically cleaning, improves spinning machine's practicality.
Preferably, the outlet end of the spinneret orifice is rotatably connected with a spray head, and the spray head is communicated with the spinneret orifice; a bracket is fixedly connected between the inner walls of the spray heads; the middle part of the bracket is fixedly connected with an impeller; a fan is fixedly connected to one end of the spray head extending out of the spinneret orifice; during operation, the raw materials fuse-element drives the impeller rotatory when through the spinneret orifice, and then the impeller drives the shower nozzle rotatory, drives the fan in its outside when the shower nozzle rotates and rotates for spun raw materials cools off fast and forms the silk thread, has further improved spinning machine's practicality.
Preferably, the cross-sectional shape of the spray head is an inverted trapezoid, and the diameter of the outlet end of the spray head is smaller than that of the inlet end of the spray head.
Preferably, the inlet end of the spinneret orifice is hinged with a power plate; one end of the power plate, which is far away from the side wall of the spinneret orifice, is hinged with a connecting rod through a torsional spring; one end of the connecting rod, which is far away from the power plate, is hinged with a material taking block; during operation, when raw materials fuse-element got into the spinneret orifice, oppression power plate rotated, and then the connecting rod drives the material piece and scrapes on the spinneret orifice lateral wall, clears away the raw materials fuse-element after being melted by the electric plate on the spinneret orifice lateral wall, makes its landing fast, prevents that the spinneret orifice from taking place to block up, further improves automatically cleaning effect.
Preferably, a first air bag is fixedly connected between the lower side of the power plate and the side wall of the spinneret orifice; the upper side of the power plate is provided with a boosting hole, and the boosting hole is communicated with the first air bag; during operation, when the raw materials fuse-element got into the spinneret orifice, oppression power plate rotated, and the gasbag of a power plate extrusion this moment, and then the gas in the gasbag outwards spouts through the boosting hole of power plate upside, prevents that the spinning machine from finishing the use back raw materials fuse-element from remaining on the power plate, influencing the normal use of device.
Preferably, the material lifting block comprises a guide block and a contact block, and the guide block is connected with the contact block in a sliding manner; a first sliding groove is formed in the contact block; a first sliding block is connected in the first sliding groove in a sliding manner and is fixedly connected with the guide block; a first spring is fixedly connected between the first sliding block and the inner wall of the first sliding groove; a second air bag and a piston cylinder are fixedly connected to the inner wall of the first sliding groove; a piston is connected in the piston cylinder in a sliding manner; a piston rod is fixedly connected to one side, away from the guide block, of the piston, and a rodless cavity of the piston cylinder is communicated with the air bag through an air pipe; one end of the piston rod extending out of the contact block is fixedly connected with a combination plate; one side of the combination plate, which is far away from the contact block, is provided with a lifting tooth; during operation, when the material piece and the lateral wall of spinneret orifice contact, the guide block slides on the surface of the contact block, and then drives a slider to strike an air bag II, gas flows into a rodless cavity of the piston cylinder through the air pipe, the piston is pushed to slide, and then the combination board drives the material tooth to further extrude the lateral wall of the spinneret orifice, and the raw material melt melted by the electric hot plate is scraped with larger friction force, so that the raw material melt slides rapidly, and the spinneret orifice is prevented from being blocked.
Preferably, a second sliding groove is formed in the combination plate; a second sliding block is connected in the second sliding groove in a sliding manner and is fixedly connected with the material lifting teeth; a second spring is fixedly connected between the second sliding blocks; during operation, when the combination board drives the material lifting teeth and the side wall of the spinneret orifice to contact, the material lifting teeth below drive the second sliding block to move upwards, then all the material lifting teeth gather and draw close to the upper end of the second sliding groove, when the spinning machine stops working, the material lifting teeth are separated from the side wall of the spinneret orifice, under the elastic force of the second spring, the material lifting teeth are pushed to reset and vibrate rapidly, the raw material melt adhered to the material lifting teeth is shaken off, and the residue is prevented from influencing the next use.
Preferably, the material lifting tooth comprises a base plate and a tooth tip, and an elastic strip is fixedly connected between the base plate and the tooth tip; a movable groove is formed in the tooth tip; a top column is fixedly connected to the base plate and extends into the movable groove; a mounting opening is formed in one side, away from the base plate, of the tooth tip; an arc-shaped elastic sheet is fixedly connected in the mounting opening; a material lifting strip is fixedly connected to one side of the arc-shaped elastic sheet, which is far away from the top column; during operation, when lifting teeth and the side wall of the spinneret orifice contact, the elastic strips shrink, the base plate drives the ejection column to impact the arc-shaped elastic sheet, and then the arc-shaped elastic sheet drives the lifting strips to outwards open, and the raw material melt after being melted by the electric heating plate on the side wall of the spinneret orifice is further scraped and wiped away, so that the raw material melt is quickly slid down, the spinneret orifice is prevented from being blocked, and the self-cleaning effect is further improved.
Preferably, the lengths of the material lifting strips are different, and the lengths of the material lifting strips are gradually reduced from top to bottom; when the spinneret plate works, the material lifting strips with different lengths can be more closely attached to the surface of the side wall of the spinneret orifice when being opened, so that each material lifting strip plays a role as far as possible.
The invention has the following beneficial effects:
1. according to the non-woven fabric and the preparation method thereof, the elasticity of the non-woven fabric can be greatly improved by adding the plasticizer and the styrene butadiene rubber, so that the non-woven fabric has a better anti-stretching effect when in use, can be prevented from being pulled apart in certain specific occasions, the use stability of the non-woven fabric is improved, the waterproof performance of the non-woven fabric is improved by adding the waterproof agent, and meanwhile, the antibacterial effect of the non-woven fabric is enhanced by the sophora flavescens and the phellodendron powder, so that the non-woven fabric can be widely applied to the medical field.
2. According to the non-woven fabric and the preparation method thereof, after the melt spinning machine is used, some raw material melt is easy to remain in the spinneret holes on the spinneret plate, the raw material melt is easy to remain on the side wall of the spinneret holes after being solidified, the spinneret holes are easy to block in time, and the normal work of the spinning machine is influenced.
3. According to the non-woven fabric and the preparation method thereof, the raw material melt drives the impeller to rotate when passing through the spinneret orifice, so that the impeller drives the sprayer to rotate, and the fan on the outer side of the sprayer is driven to rotate when the sprayer rotates, so that the sprayed raw material is quickly cooled to form a silk thread, and the practicability of a spinning machine is further improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of a spinneret plate in the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view of a starter block according to the present invention;
FIG. 5 is a partial enlarged view at B in FIG. 4;
FIG. 6 is a schematic view of the structure of the lifting teeth of the present invention;
FIG. 7 is a schematic flow diagram of a manufacturing process of the present invention;
in the figure: 1. a spinning box; 2. a first support leg; 3. a screw extrusion cylinder; 4. a connecting pipe; 5. a second support leg; 6. a motor; 7. a hopper; 8. a silk outlet; 9. a winding wheel; 10. a spinneret plate; 11. a spinneret orifice; 12. an electric hot plate; 13. a spray head; 14. a support; 15. an impeller; 16. a fan; 17. a power plate; 18. a connecting rod; 19. a material taking block; 20. a first airbag; 191. a guide block; 192. a contact block; 193. a first chute; 194. a first sliding block; 195. a first spring; 196. a second airbag; 197. a piston cylinder; 198. a piston; 199. a piston rod; 21. a bonding plate; 22. lifting teeth; 23. a second chute; 24. a second sliding block; 25. a second spring; 221. a substrate; 222. a tooth tip; 223. an elastic strip; 224. a movable groove; 225. a top pillar; 226. an arc-shaped elastic sheet; 227. and (5) lifting the material strips.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Specific examples are given below.
Example one
A non-woven fabric is composed of the following raw materials in parts by weight: 70-100 parts of polypropylene fiber, 70-100 parts of silk fiber, 10-20 parts of epoxy resin, 5 parts of plasticizer, 3-6 parts of flatting agent, 8-12 parts of butadiene styrene rubber, 3-5 parts of waterproof agent, 1-2 parts of antioxidant, 1-2 parts of radix sophorae flavescentis powder and 1-2 parts of cortex phellodendri powder.
And (3) producing the raw materials into non-woven fabrics according to the preparation process, and testing the yield strength of the non-woven fabrics.
Example two
A non-woven fabric is composed of the following raw materials in parts by weight: 70-100 parts of polypropylene fiber, 70-100 parts of silk fiber, 10-20 parts of epoxy resin, 7.5 parts of plasticizer, 3-6 parts of flatting agent, 8-12 parts of styrene butadiene rubber, 3-5 parts of waterproof agent, 1-2 parts of antioxidant, 1-2 parts of radix sophorae flavescentis powder and 1-2 parts of cortex phellodendri powder.
The raw materials are produced into non-woven fabrics according to the preparation process, and the yield strength of the non-woven fabrics is tested.
EXAMPLE III
A non-woven fabric is composed of the following raw materials in parts by weight: 70-100 parts of polypropylene fiber, 70-100 parts of silk fiber, 10-20 parts of epoxy resin, 10 parts of plasticizer, 3-6 parts of flatting agent, 8-12 parts of butadiene styrene rubber, 3-5 parts of waterproof agent, 1-2 parts of antioxidant, 1-2 parts of radix sophorae flavescentis powder and 1-2 parts of cortex phellodendri powder.
The raw materials are produced into non-woven fabrics according to the preparation process, and the yield strength of the non-woven fabrics is tested.
The yield strengths of the resulting nonwovens are shown in table 1.
TABLE 1
As can be seen from Table 1, the nonwoven fabric produced in example II has the highest yield strength, thus proving the reasonable formulation of the present invention.
As shown in fig. 1 to 7, the method for preparing a nonwoven fabric according to the present invention is applicable to the nonwoven fabric, and the nonwoven fabric is prepared by the following steps:
s1: grinding polypropylene fibers and silk fibers into powder, and then placing the powder, epoxy resin, styrene butadiene rubber and a small amount of water in a stirrer to stir for 10-15 minutes to obtain a fiber solution;
s2: adding a plasticizer, a flatting agent, a waterproof agent, an antioxidant, sophora flavescens powder and phellodendron amurense powder into the fiber solution, fully stirring for 25-30 minutes to obtain a non-woven fabric solution, and standing for 20 minutes for later use;
s3: centrifuging, drying and grinding the non-woven fabric solution to form powder, then adding the powder into a melt spinning machine for spinning, and obtaining a finished non-woven fabric after drafting, net forming and hot rolling;
the melt spinning machine in the S3 comprises a spinning box 1; a first support leg 2 is fixedly connected to the lower side of the spinning box 1; a screw extrusion cylinder 3 which is horizontally arranged is arranged above the spinning box 1; a connecting pipe 4 is fixedly connected between the screw extrusion cylinder 3 and the spinning box 1, and the screw extrusion cylinder 3 is communicated with the spinning box 1 through the connecting pipe 4; a second support leg 5 is fixedly connected to the lower side of the screw extrusion cylinder 3; one end of the screw extrusion cylinder 3, which is far away from the connecting pipe 4, is fixedly connected with a motor 6; a hopper 7 is fixedly connected to the position of the screw extrusion cylinder 3 close to the motor 6; a spinning outlet 8 is formed in the position, close to the first support leg 2, of the spinning box 1; a winding wheel 9 is rotatably connected to the position of the spinning box 1 close to the yarn outlet 8; a spinneret plate 10 is fixedly connected in the connecting pipe 4; the spinneret plate 10 is provided with spinneret orifices 11; an electric heating plate 12 is fixedly connected to the side wall of the spinneret orifice 11; during operation, melt spinning machine is after using, remain some raw materials fuse-elements in the spinneret orifice 11 on the spinneret 10 easily, remain on 11 lateral walls of spinneret orifice after the raw materials fuse-element solidification, cause the spinneret orifice 11 to block up long and old easily, influence the normal work of spinning machine, energize for electric plate 12 when starting melt spinning machine for the raw materials of solidification melts on the 11 lateral walls of spinneret orifice, and then roll-off from spinneret orifice 11, prevent to block up, increase the function of automatically cleaning, improve spinning machine's practicality.
As an embodiment of the invention, the outlet end of the spinneret orifice 11 is rotatably connected with a spray head 13, and the spray head 13 is communicated with the spinneret orifice 11; a bracket 14 is fixedly connected between the inner walls of the spray heads 13; the middle part of the bracket 14 is fixedly connected with an impeller 15; one end of the spray head 13 extending out of the spinneret orifice 11 is fixedly connected with a fan 16; during operation, raw materials fuse-element drives impeller 15 rotatory when orifice 11, and then impeller 15 drives shower nozzle 13 rotatory, drives the fan 16 in its outside to rotate when shower nozzle 13 rotates for spun raw materials cools off fast and forms the silk thread, has further improved spinning machine's practicality.
In one embodiment of the present invention, the nozzle 13 has an inverted trapezoidal cross-section, and the outlet end has a smaller diameter than the inlet end.
As an embodiment of the invention, the inlet end of the spinneret orifice 11 is hinged with a power plate 17; one end of the power plate 17, which is far away from the side wall of the spinneret orifice 11, is hinged with a connecting rod 18 through a torsion spring; one end of the connecting rod 18, which is far away from the power plate 17, is hinged with a material taking block 19; when the automatic cleaning device works, when raw material melt enters the spinneret orifice 11, the power plate 17 is pressed to rotate, the connecting rod 18 drives the material lifting block 19 to scrape on the side wall of the spinneret orifice 11, the raw material melt melted by the electric heating plate 12 on the side wall of the spinneret orifice 11 is removed, the raw material melt slides rapidly, the spinneret orifice 11 is prevented from being blocked, and the automatic cleaning effect is further improved.
As an embodiment of the invention, a first air bag 20 is fixedly connected between the lower side of the power plate 17 and the side wall of the spinneret orifice 11; a boosting hole is formed in the upper side of the power plate 17 and is communicated with the first air bag 20; during operation, when the raw materials fuse-element gets into spinneret orifice 11, oppression power board 17 rotates, and power board 17 extrudees an gasbag 20 this moment, and then the gas in an gasbag 20 outwards spouts through the boosting hole of power board 17 upside, prevents that the spinning machine from finishing the use back raw materials fuse-element from remaining on power board 17, influences the normal use of device.
As an embodiment of the present invention, the elevator block 19 includes a guide block 191 and a contact block 192, and the guide block 191 is slidably connected to the contact block 192; a first sliding groove 193 is formed in the contact block 192; a first sliding block 194 is connected in the first sliding groove 193 in a sliding manner, and the first sliding block 194 is fixedly connected with the guide block 191; a first spring 195 is fixedly connected between the first sliding block 194 and the inner wall of the first sliding chute 193; a second air bag 196 and a piston cylinder 197 are fixedly connected to the inner wall of the first sliding groove 193; a piston 198 is connected in the piston cylinder 197 in a sliding manner; a piston rod 199 is fixedly connected to one side of the piston 198, which is far away from the guide block 191, and a rodless cavity of the piston cylinder 197 is communicated with the air bag through an air pipe; a combination plate 21 is fixedly connected to one end of the piston rod 199 extending out of the contact block 192; one side of the combination plate 21 far away from the contact block 192 is provided with a lifting tooth 22; during operation, when the material lifting block 19 contacts with the side wall of the spinneret orifice 11, the guide block 191 slides on the surface of the contact block 192 to drive the first slide block 194 to impact the second air bag 196, gas flows into a rodless cavity of the piston cylinder 197 through a gas pipe to push the piston 198 to slide, and then the combination plate 21 drives the material lifting teeth 22 to further extrude the side wall of the spinneret orifice 11, so that the raw material melt melted by the electric heating plate 12 is scraped by larger friction force, the raw material melt slides rapidly, and the spinneret orifice 11 is prevented from being blocked.
As an embodiment of the present invention, a second sliding slot 23 is formed in the combination board 21; a second sliding block 24 is connected in the second sliding groove 23 in a sliding manner, and the second sliding block 24 is fixedly connected with the material lifting teeth 22; a second spring 25 is fixedly connected between the second sliding blocks 24; the during operation, combination board 21 drives when material tooth 22 and 11 lateral walls of spinneret orifice contact, the material tooth 22 that plays of below drives No. two sliders 24 and moves to the top, and then all play material tooth 22 aggregations and draw close No. two spout 23 upper ends, when the spinning machine stop work, play material tooth 22 and 11 lateral walls of spinneret orifice break away from, under No. two spring 25's elasticity, promote to play material tooth 22 and reset and quick vibration, shake off the raw materials fuse-element of adhesion on material tooth 22, prevent that the residue from influencing and using next time.
As an embodiment of the present invention, the lifting tooth 22 includes a base 221 and a tooth tip 222, and an elastic strip 223 is fixed between the base 221 and the tooth tip 222; a movable groove 224 is formed in the tooth tip 222; a top pillar 225 is fixedly connected to the substrate 221, and the top pillar 225 extends into the movable slot 224; a mounting opening is formed in one side, away from the substrate 221, of the tooth tip 222; an arc-shaped elastic sheet 226 is fixedly connected in the mounting opening; a material lifting bar 227 is fixedly connected to one side of the arc-shaped elastic sheet 226 away from the top column 225; during operation, when lifting tooth 22 and the lateral wall contact of spinneret orifice 11, elastic strip 223 contracts, and base plate 221 drives fore-set 225 striking arc elastic sheet 226, and then arc elastic sheet 226 drives lifting strip 227 and outwards opens, further scrapes the raw materials fuse-element after being melted by electric plate 12 on the lateral wall of spinneret orifice 11 of wiping, makes its quick landing, prevents that spinneret orifice 11 from taking place to block up, further improves automatically cleaning effect.
As an embodiment of the present invention, the lengths of the material lifting bars 227 are different, and the lengths thereof decrease from top to bottom in sequence; when the spinning nozzle works, the material lifting bars 227 with different lengths can be more closely attached to the surface of the side wall of the spinning hole 11 when being opened, so that each material lifting bar 227 plays a role as far as possible.
When the melt spinning machine works, some raw material melt is easy to remain in the spinneret holes 11 on the spinneret plate 10 after the melt spinning machine is used, the raw material melt is easy to remain on the side walls of the spinneret holes 11 after being solidified, the spinneret holes 11 are easy to block up as time passes, the normal work of the spinning machine is influenced, and the solidified raw material on the side walls of the spinneret holes 11 is melted by electrifying the electric heating plate 12 when the melt spinning machine is started, and then the solidified raw material slides out of the spinneret holes 11, so that the blockage is prevented, the self-cleaning function is increased, and the practicability of the spinning machine is improved; when the raw material melt passes through the spinneret orifice 11, the impeller 15 is driven to rotate, the impeller 15 drives the spray head 13 to rotate, and when the spray head 13 rotates, the fan 16 on the outer side of the spray head is driven to rotate, so that the sprayed raw material is rapidly cooled to form silk threads, and the practicability of the spinning machine is further improved; when the raw material melt enters the spinneret orifice 11, the power plate 17 is pressed to rotate, and then the connecting rod 18 drives the material lifting block 19 to wipe the side wall of the spinneret orifice 11, so that the raw material melt melted by the electric heating plate 12 on the side wall of the spinneret orifice 11 is removed, the raw material melt slides rapidly, the spinneret orifice 11 is prevented from being blocked, and the self-cleaning effect is further improved; when the raw material melt enters the spinneret orifice 11, the power plate 17 is pressed to rotate, the power plate 17 extrudes the first air bag 20 at the moment, and then the gas in the first air bag 20 is ejected outwards through the boosting hole on the upper side of the power plate 17, so that the raw material melt is prevented from remaining on the power plate 17 after the spinning machine is used, and the normal use of the device is prevented from being influenced; when the material lifting block 19 is in contact with the side wall of the spinneret orifice 11, the guide block 191 slides on the surface of the contact block 192 to drive the first slide block 194 to impact the second air bag 196, gas flows into a rodless cavity of the piston cylinder 197 through an air pipe to push the piston 198 to slide, and then the combination plate 21 drives the material lifting teeth 22 to further extrude the side wall of the spinneret orifice 11, so that raw material melt melted by the electric heating plate 12 is scraped by larger friction force to rapidly slide down, and the spinneret orifice 11 is prevented from being blocked; when the combination plate 21 drives the material lifting teeth 22 to contact with the side wall of the spinneret orifice 11, the material lifting teeth 22 at the lower part drive the second sliding block 24 to move upwards, and then all the material lifting teeth 22 are gathered and close to the upper end of the second sliding chute 23, when the spinning machine stops working, the material lifting teeth 22 are separated from the side wall of the spinneret orifice 11, under the elastic force of the second spring 25, the material lifting teeth 22 are pushed to reset and vibrate rapidly, raw material melt adhered to the material lifting teeth 22 is shaken off, and residues are prevented from influencing the next use; when the material lifting teeth 22 contact with the side wall of the spinneret orifice 11, the elastic strips 223 contract, the base plate 221 drives the ejection posts 225 to impact the arc-shaped elastic pieces 226, and then the arc-shaped elastic pieces 226 drive the material lifting strips 227 to expand outwards, so that raw material melt melted by the electric heating plate 12 on the side wall of the spinneret orifice 11 is further scraped, the raw material melt is rapidly slid down, the spinneret orifice 11 is prevented from being blocked, and the self-cleaning effect is further improved; the starting strips 227 with different lengths can be more tightly attached to the surface of the side wall of the spinneret orifice 11 when being opened, so that each starting strip 227 can play a role as far as possible.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and so on.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely intended to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A preparation method of non-woven fabric is characterized by comprising the following steps: the non-woven fabric is composed of the following raw materials in parts by weight: 70-100 parts of polypropylene fiber, 70-100 parts of silk fiber, 10-20 parts of epoxy resin, 5-10 parts of plasticizer, 3-6 parts of flatting agent, 8-12 parts of styrene butadiene rubber, 3-5 parts of waterproof agent, 1-2 parts of antioxidant, 1-2 parts of radix sophorae flavescentis powder and 1-2 parts of cortex phellodendri powder; the non-woven fabric is prepared by the following steps:
s1: grinding polypropylene fibers and silk fibers into powder, and then placing the powder, epoxy resin, styrene butadiene rubber and a small amount of water in a stirrer to stir for 10-15 minutes to obtain a fiber solution;
s2: adding a plasticizer, a flatting agent, a waterproof agent, an antioxidant, sophora flavescens powder and phellodendron amurense powder into the fiber solution, fully stirring for 25-30 minutes to obtain a non-woven fabric solution, and standing for 20 minutes for later use;
s3: centrifuging, drying and grinding the non-woven fabric solution to form powder, then adding the powder into a melt spinning machine for spinning, and obtaining a finished non-woven fabric after drafting, net forming and hot rolling;
wherein the melt spinning machine in S3 comprises a spinning box (1); a first support leg (2) is fixedly connected to the lower side of the spinning box (1); a screw extrusion barrel (3) which is horizontally arranged is arranged above the spinning box (1); a connecting pipe (4) is fixedly connected between the screw extrusion cylinder (3) and the spinning box (1), and the screw extrusion cylinder (3) is communicated with the spinning box (1) through the connecting pipe (4); a second support leg (5) is fixedly connected to the lower side of the screw extrusion cylinder (3); one end of the screw extrusion cylinder (3) far away from the connecting pipe (4) is fixedly connected with a motor (6); a hopper (7) is fixedly connected to the position, close to the motor (6), of the screw extrusion cylinder (3); a spinning outlet (8) is formed in the position, close to the first support leg (2), of the spinning box (1); a winding wheel (9) is rotatably connected to the position, close to the spinning outlet (8), of the spinning box (1); a spinneret plate (10) is fixedly connected in the connecting pipe (4); a spinneret orifice (11) is formed on the spinneret plate (10); an electric heating plate (12) is fixedly connected to the side wall of the spinneret orifice (11); the outlet end of the spinneret orifice (11) is rotationally connected with a spray head (13), and the spray head (13) is communicated with the spinneret orifice (11); a bracket (14) is fixedly connected between the inner walls of the spray heads (13); an impeller (15) is fixedly connected to the middle part of the support (14); a fan (16) is fixedly connected to one end of the spray head (13) extending out of the spinneret orifice (11); the cross section of the spray head (13) is in an inverted trapezoid shape, and the diameter of the outlet end of the spray head is smaller than that of the inlet end of the spray head; the inlet end of the spinneret orifice (11) is hinged with a power plate (17); one end of the power plate (17) far away from the side wall of the spinneret orifice (11) is hinged with a connecting rod (18) through a torsion spring; one end of the connecting rod (18) far away from the power plate (17) is hinged with a material taking block (19); a first air bag (20) is fixedly connected between the lower side of the power plate (17) and the side wall of the spinneret orifice (11); a boosting hole is formed in the upper side of the power plate (17) and is communicated with the first air bag (20); the material lifting block (19) comprises a guide block (191) and a contact block (192), and the guide block (191) is connected with the contact block (192) in a sliding mode; a first sliding groove (193) is formed in the contact block (192); a first sliding block (194) is connected in the first sliding groove (193) in a sliding manner, and the first sliding block (194) is fixedly connected with the guide block (191); a first spring (195) is fixedly connected between the first sliding block (194) and the inner wall of the first sliding groove (193); a second air bag (196) and a piston cylinder (197) are fixedly connected to the inner wall of the first sliding groove (193); a piston (198) is connected in the piston cylinder (197) in a sliding manner; a piston rod (199) is fixedly connected to one side, away from the guide block (191), of the piston (198), and a rodless cavity of the piston cylinder (197) is communicated with the air bag through an air pipe; a combination plate (21) is fixedly connected to one end of the piston rod (199) extending out of the contact block (192); the side of the combination plate (21) far away from the contact block (192) is provided with a material lifting tooth (22).
2. The method of claim 1, wherein the step of preparing a nonwoven fabric comprises: a second sliding groove (23) is arranged in the combination plate (21); a second sliding block (24) is connected in the second sliding groove (23) in a sliding manner, and the second sliding block (24) is fixedly connected with the material lifting teeth (22); and a second spring (25) is fixedly connected between the second sliding blocks (24).
3. The method for preparing a nonwoven fabric according to claim 2, wherein: the material lifting tooth (22) comprises a base plate (221) and a tooth tip (222), and an elastic strip (223) is fixedly connected between the base plate (221) and the tooth tip (222); a movable groove (224) is formed in the tooth tip (222); a top column (225) is fixedly connected to the base plate (221), and the top column (225) extends into the movable groove (224); a mounting opening is formed in one side, away from the substrate (221), of the tooth tip (222); an arc-shaped elastic sheet (226) is fixedly connected in the mounting opening; and a material lifting strip (227) is fixedly connected to one side of the arc-shaped elastic sheet (226) far away from the top column (225).
4. The method of claim 3, wherein the step of preparing a nonwoven fabric comprises: the material lifting strips (227) are different in length, and the length of the material lifting strips is gradually reduced from top to bottom.
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| CN202210400592.0A CN114737319B (en) | 2021-04-03 | 2021-04-03 | Preparation method of non-woven fabric |
| CN202110364001.4A CN113062051B (en) | 2021-04-03 | 2021-04-03 | Non-woven fabric and preparation method thereof |
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| CN116834252B (en) * | 2023-09-01 | 2023-11-03 | 贵州轮胎股份有限公司 | Composite pre-orifice shape and device thereof |
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| KR101135743B1 (en) * | 2011-11-04 | 2012-04-16 | 권기홍 | A filtering device for a melt spinner |
| CN111690994A (en) * | 2020-06-16 | 2020-09-22 | 孟伟东 | Preparation method of graphene-polyester nano composite fiber |
| CN111996605A (en) * | 2020-07-31 | 2020-11-27 | 湖州力伟纺织品有限公司 | High-quality nylon filament production equipment and process thereof |
| CN112411012A (en) * | 2020-11-09 | 2021-02-26 | 江门市多美无纺布有限公司 | Antibacterial composite non-woven fabric and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208428666U (en) * | 2018-04-24 | 2019-01-25 | 陕西钰昆环境艺术工程有限公司 | Spray head for 3D printing |
| CN111959003B (en) * | 2020-07-04 | 2022-04-01 | 上海舜睿新材料股份有限公司 | Method for producing PVC plastic profile by using PVC modified material |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101135743B1 (en) * | 2011-11-04 | 2012-04-16 | 권기홍 | A filtering device for a melt spinner |
| CN111690994A (en) * | 2020-06-16 | 2020-09-22 | 孟伟东 | Preparation method of graphene-polyester nano composite fiber |
| CN111996605A (en) * | 2020-07-31 | 2020-11-27 | 湖州力伟纺织品有限公司 | High-quality nylon filament production equipment and process thereof |
| CN112411012A (en) * | 2020-11-09 | 2021-02-26 | 江门市多美无纺布有限公司 | Antibacterial composite non-woven fabric and preparation method thereof |
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| CN114737319A (en) | 2022-07-12 |
| CN114737319B (en) | 2023-02-28 |
| CN113062051A (en) | 2021-07-02 |
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