CN215404685U - Spinning equipment for high-strength low-shrinkage composite fibers - Google Patents

Abstract

The utility model provides spinning equipment for high-strength low-shrinkage composite fibers, and relates to the field of fiber spinning. The spinning equipment for the high-strength low-shrinkage composite fibers comprises a case, wherein a feeding box is fixedly connected to the upper surface of the case, a melting box is fixedly connected to the upper surface of the feeding box, and a spinning box is fixedly connected to the upper wall of the inner side of the case.

Description

Spinning equipment for high-strength low-shrinkage composite fibers

Technical Field

The utility model relates to the technical field of fiber spinning, in particular to spinning equipment for high-strength low-shrinkage composite fibers.

Background

The composite fiber is one of multicomponent fiber, is a term aiming at the variety of artificial fiber, and is a physical modified fiber developed in the 60 s of the 20 th century, a manufacturing technology of the composite fiber is utilized to obtain a bicomponent fiber with the characteristics of two polymers, the composite fiber comprises composite fibers of a parallel type, a sheath core type, a sea island type and the like, the cross section of the fiber has a round shape and a special shape, the fiber has three-dimensional crimp, high bulkiness and covering property, and good conductivity, antistatic property and flame retardance, the composite fiber needs to be spun by a composite spinning machine with a special structure, the composite fiber is mainly used for wool, blankets, wool fabrics, thermal insulating flock fillers, silk fabrics, non-woven fabrics, medical and sanitary products, special work clothes and the like, the fiber can integrate the advantages of various components, such as cuprammonia fiber, the cuprammonia fiber is a regenerated cellulose fiber, and is prepared by dissolving natural cellulose raw materials such as cotton linters and the like in concentrated ammonia solution of copper hydroxide or alkaline copper salt, preparing a spinning solution, decomposing the molecular chemical substances of the cuprammonium cellulose in a coagulating bath to regenerate cellulose, and post-processing the generated hydrated cellulose to obtain the cuprammonium cellulose which has soft luster, draping feeling of real silk and soft hand feeling.

Chinese patent publication No. CN105714391B, proposes a polylactic acid two-component composite fiber spinning process, which comprises the following steps: mixing and stirring lactide melt with lower molecular weight; drying the polylactic acid slices with higher molecular weight; carrying out primary polymerization and final polymerization on the lactide melt mixture; the dried polylactic acid slices fall into a spinning screw extruder to prepare a high molecular weight polylactic acid melt; the low molecular weight polylactic acid melt enters a first spinning metering pump; the high molecular polylactic acid melt enters a second spinning metering pump; the utility model discloses a method for producing polylactic acid composite fiber by a double-jet-hole parallel spinning assembly, which ensures that a melt in a prepolymerization tube flows downwards at a constant speed and the temperature of the melt in the prepolymerization tube is basically consistent, and directly arranges a plurality of groups of mixing units on a first melt pipeline, thereby omitting the installation of a mixing system on a conveying pipeline, saving the cost, achieving the aim of uniformly mixing, and improving the conveying and mixing efficiency.

In addition, the following general disadvantages exist in the prior art including the above-mentioned patents and patent applications: all have the extravagant problem of energy consumption, need very high temperature during the melt, and the tow that just jets out need cool down again, has reached tensile and design process and need carry out the lifting temperature again and stereotype, and the energy consumption is extravagant great, and is unreasonable to the temperature control of heat setting roller, causes the boiling water shrinkage factor of product different sections unstable.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides spinning equipment and a spinning process for high-strength low-shrinkage composite fibers, and solves the problems of overlarge energy consumption and poor product quality stability of the prior art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model provides a high strength low shrink composite fiber's spinning equipment, includes quick-witted case, machine incasement side upper surface fixedly connected with feed tank, feed tank upper surface fixedly connected with fuse case, machine incasement side upper wall fixedly connected with spinning case, spinning case outer wall fixedly connected with upper flange, spinning case lower surface fixedly connected with annular cooler, annular cooler outer wall fixedly connected with lower flange, spinning case, annular cooler pass through upper flange, lower flange fixed connection, the one end outer wall joint that the lower flange was kept away from to the annular cooler has hot-blast recovery cover, machine incasement side left side wall is provided with hot-blast recovery case, machine incasement portion rotates and is connected with oil feeding wheel, guide pulley, first drawing roller, second drawing roller, machine incasement portion fixedly connected with heat setting box, machine incasement side right side wall fixedly connected with electrical apparatus control box, The winder, the electrical apparatus control box sets up the top at the winder, the electrical apparatus control box antetheca rotates and is connected with the control chamber door, control chamber door outer wall fixedly connected with second handle, the winder antetheca rotates and is connected with the silk winding drum.

Preferably, the inside fixedly connected with melting hopper of melting box, the melting hopper outer wall runs through the feed box, the tip fixedly connected with extrusion screw pump that the melting hopper kept away from the melting box, extrusion screw pump fixed connection is inside the feed box.

Preferably, the first heat preservation layer of feed tank inside wall fixedly connected with, feed tank inside wall lower wall is from right side to left side fixedly connected with booster pump, measuring pump in proper order, fixedly connected with static mixer between booster pump and the extrusion screw pump, fixedly connected with distributing pipe between measuring pump and the spinning box.

Preferably, the spinning box is fixedly connected with a filter layer and a spinneret plate, the filter layer is arranged above the spinneret plate, and filter sand is arranged in the filter layer.

Preferably, the inner wall of the spinneret plate is provided with a plurality of groups of spinneret orifices, the spinneret orifices are in a polygonal star shape, and the spinneret orifices are distributed on the spinneret plate in a radial annular shape which gradually diffuses from the circle center to the outside.

Preferably, the inner side of the annular cooler is fixedly connected with an air homogenizing plate and a pressure stabilizing plate, the pressure stabilizing plate is arranged on the inner side of the air homogenizing plate, and the outer wall of the annular cooler is fixedly connected with a cooling air inlet.

Preferably, the front wall of the hot air recovery box is rotatably connected with a hot air box door, the outer wall of the hot air box door is fixedly connected with a first handle, the lower wall of the inner side of the hot air recovery box is fixedly connected with a fixed seat, and the upper surface of the fixed seat is fixedly connected with an air blower.

Preferably, a first hot air pipe is fixedly connected between the air inlet of the air blower and the hot air recovery cover, the outer wall of the first hot air pipe penetrates through the side wall of the hot air recovery tank, a second hot air pipe is fixedly connected between the air outlet of the air blower and the feeding tank, and the outer wall of the second hot air pipe penetrates through the outer walls of the hot air recovery tank and the feeding tank.

Preferably, the heat setting box upper surface rotates and is connected with the heat setting lid, it is connected with the hinge to rotate between heat setting box and the heat setting lid, the equal fixedly connected with second heat preservation of heat setting box and heat setting lid inside wall, the inside rotation of heat setting box is connected with the heat setting roller, the heat setting roller rotates and connects at quick-witted incasement side back wall, fixedly connected with third hot-blast main between heat setting box and the feed tank, the outer wall of heat setting box and feed tank is run through respectively at the third hot-blast main both ends of telling.

The spinning process of the high-strength low-shrinkage composite fiber comprises the following steps:

s1, adding the raw materials into a melting hopper, heating to form fluid, extruding by an extrusion screw pump, entering a booster pump through a static mixer for boosting, and then conveying to a metering pump;

s2, accurately dividing the flow by a metering pump, sending the flow to a spinning box through a distribution pipe, filtering by a filter layer, and spraying tows through spinneret holes on a spinneret plate;

s3, blowing constant-temperature and constant-humidity cooling air into the annular cooler through a cooling air inlet, blowing the cooling air to the just sprayed tows through the air homogenizing plate and the pressure stabilizing plate, and enabling the cooling air to move downwards along the tows;

s4, cooling air cools the tows in the annular cooler, the temperature of the cooling air is raised through heat exchange, the cooling air enters the hot air recovery cover through a cavity of the annular cooler, and then is sucked by the air blower through the first hot air pipe, blown into the feeding box through the second hot air pipe, and further blown into the heat setting box through the third hot air pipe.

S5, performing oiling process on the cooled tows through an oiling wheel, further drawing the tows through a guide wheel, passing through a first stretching roller, then compounding the tows on a second stretching roller, then winding the tows on the outer wall of the heat setting roller for heat setting, and drawing the tows on a winding machine to rotate through a filament winding drum for tow collection to form composite fibers.

(III) advantageous effects

The utility model provides spinning equipment and a spinning process for high-strength low-shrinkage composite fibers. The method has the following beneficial effects:

1. the hot air recovery cover is used for collecting cooling air which exchanges heat with the tows, the high-temperature cooling air is sucked away through the air blower, the temperature of air around the tows is reduced, and the cooling effect is improved.

2. The cooling air with high temperature blows into the feeding box through the air blower, and the first heat preservation layer is arranged in the feeding box, so that the temperatures of the melting hopper and the conveying end are kept consistent, and the heat loss is reduced.

3. Constantly blowing hot-blast through the air-blower, hot-blast can follow the third hot-blast main and get into the heat setting box and promote the temperature, reduces the heat setting roller and generates heat the energy consumption that needs, simultaneously, through heat setting lid and the second heat preservation that sets up, heat setting box keeps warm effectually, improves product heat setting's stability greatly.

4. The spinneret orifices on the spinneret plate are distributed on the spinneret plate in a radial annular shape which gradually diffuses from the circle center to the outside, a ventilation channel is formed between each group of filaments, and cooling air can penetrate through the filaments more easily for cooling.

5. The copper ammonia composite fiber produced by the process and the equipment has soft luster, silk feeling, soft hand feeling, good drapability and boiling water shrinkage rate which is greatly improved compared with the product produced by the traditional equipment and the process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2-A in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2-B of the present invention;

FIG. 5 is a schematic view of a filter layer according to the present invention;

FIG. 6 is a side view of a heat setting box construction of the present invention;

FIG. 7 is a schematic view of a spinneret plate according to the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7-C in accordance with the present invention.

Wherein, 1, a case; 2. a melting box; 3. a feeding tank; 4. extruding a screw pump; 5. a booster pump; 6. a metering pump; 7. a spinning box; 8. a second hot air duct; 9. a hot air recovery tank; 10. an upper flange; 11. an annular cooler; 12. a hot blast box door; 13. a first handle; 14. a hot air recovery hood; 15. a first hot air duct; 16. loading onto a tanker; 17. a guide wheel; 18. a first stretching roller; 19. a heat setting box; 20. heat setting the cover; 21. a wire winding drum; 22. a winding machine; 23. a melting hopper; 24. a first insulating layer; 25. a fixed seat; 26. a blower; 27. a heat setting roller; 28. a second insulating layer; 29. a control box door; 30. a second handle; 31. a third hot air duct; 32. a distribution pipe; 33. a lower flange; 34. a filter layer; 35. filtering sand; 36. a spinneret plate; 37. a cooling air inlet; 38. a wind homogenizing plate; 39. a pressure stabilizing plate; 40. a hinge; 41. a spinneret orifice; 42. a second stretching roller; 43. appliance control box, 44 static mixer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-8, an embodiment of the present invention provides a spinning apparatus for high-strength low-shrinkage composite fibers, including a machine box 1, a supply tank 3 fixedly connected to an upper surface of the machine box 1, a melt tank 2 fixedly connected to an upper surface of the supply tank 3, a spinning tank 7 fixedly connected to an inner upper wall of the machine box 1, an upper flange 10 fixedly connected to an outer wall of the spinning tank 7, an annular cooler 11 fixedly connected to a lower surface of the spinning tank 7, a lower flange 33 fixedly connected to an outer wall of the annular cooler 11, the spinning tank 7 and the annular cooler 11 fixedly connected to the upper flange 10 and the lower flange 33, a hot air recycling hood 14 fastened to an outer wall of the annular cooler 11 at a position far from the lower flange 33, a hot air recycling tank 9 provided on an inner left wall of the machine box 1, an upper oil tanker 16, a guide pulley 17, a first stretching roller 18 and a second stretching roller 42 rotatably connected to an inside of the machine box 1, the right wall of the inner side of the case 1 is fixedly connected with an electrical control box 43 and a winding machine 22, the electrical control box 43 is arranged above the winding machine 22, the front wall of the electrical control box 43 is rotatably connected with a control box door 29, the outer wall of the control box door 29 is fixedly connected with a second handle 30, and the front wall of the winding machine 22 is rotatably connected with a wire winding drum 21.

The inside fixedly connected with melting hopper 23 of melting hopper 2, melting hopper 23 outer wall run through feed box 3, and melting hopper 23 keeps away from the tip fixedly connected with extrusion screw pump 4 of melting hopper 2, and extrusion screw pump 4 fixed connection sets up melting hopper 2 with melting hopper 23 outside inside feed box 3, promotes the heat preservation effect.

3 inside wall fixedly connected with of feed tank 24 first heat preservation 24, 3 inboard lower walls of feed tank from right to left fixedly connected with booster pump 5, measuring pump 6 in proper order, fixedly connected with static mixer 44 between booster pump 5 and the extrusion screw pump 4, fixedly connected with distributing pipe 32 between measuring pump 6 and the spinning box 7 through first heat preservation 24, reduce the melt fluid heat loss speed that has melted.

The spinning box 7 is internally and fixedly connected with a filter layer 34 and a spinneret plate 36, the filter layer 34 is arranged above the spinneret plate 36, and filter sand 35 is arranged inside the filter layer 34.

The inner wall of the spinneret plate 36 is provided with a plurality of groups of spinneret orifices 41, the spinneret orifices 41 are in a polygonal star shape, the spinneret orifices 41 are distributed on the spinneret plate 36 in a radial annular shape which gradually diffuses from the center of the circle outwards, the polygonal star-shaped spinneret orifices 41 have large surface area of the sprayed filaments and excellent performances such as dyeing and strength, and the spinneret orifices 41 are distributed in a radial annular shape, so that the cooling of the tows is facilitated.

The inner side of the annular cooler 11 is fixedly connected with an air homogenizing plate 38 and a pressure stabilizing plate 39, the pressure stabilizing plate 39 is arranged on the inner side of the air homogenizing plate 38, and the outer wall of the annular cooler 11 is fixedly connected with a cooling air inlet 37.

The front wall of the hot air recovery box 9 is rotatably connected with a hot air box door 12, the outer wall of the hot air box door 12 is fixedly connected with a first handle 13, the lower wall of the inner side of the hot air recovery box 9 is fixedly connected with a fixed seat 25, and the upper surface of the fixed seat 25 is fixedly connected with an air blower 26.

The first hot-blast main 15 of fixedly connected with between 26 air intakes of air-blower and the hot-blast recovery cover 14, the 15 outer walls of first hot-blast main run through hot-blast recovery case 9 lateral walls, fixedly connected with second hot-blast main 8 between 26 air outlets of air-blower and the feed case 3, 8 outer walls of second hot-blast main run through hot-blast recovery case 9, the outer wall of feed case 3, air-blower 26 blows the hot-blast of 14 collections of hot-blast recovery cover to feed case 3, promote the 3 temperatures of feed case, reduce heat loss in the melt fluid transportation.

The upper surface of the heat setting box 19 rotates and is connected with a heat setting cover 20, the heat setting box 19 rotates and is connected with a hinge 40 between the heat setting box 20 and the heat setting cover 20, the equal fixedly connected with second heat preservation 28 of inside wall of the heat setting box 19 and the heat setting cover 20, the inside rotation of the heat setting box 19 is connected with a heat setting roller 27, the heat setting roller 27 rotates and is connected at the rear wall of the inside of the machine case 1, fixedly connected with third hot-blast main 31 between the heat setting box 19 and the feed case 3, the outer wall that the heat setting box 19 and the feed case 3 are run through respectively at the two ends of the third hot-blast main 31, set up the heat setting cover 20 and the second heat preservation 28 on the heat setting box 19, the heat preservation effect is good, the hot air that the third hot-blast main 31 comes out is cooperated again, the heat generation energy consumption of the heat setting roller 27 is greatly reduced, and the product heat setting effect is good.

The spinning process of the high-strength low-shrinkage composite fiber comprises the following steps:

s1, adding the raw materials into the melting hopper 23, heating to form fluid, extruding by the extrusion screw pump 4, entering the booster pump 5 through the static mixer 44 for boosting, and then conveying to the metering pump 6;

s2, accurately dividing the flow by the metering pump 6, sending the flow to the spinning box 7 through the distribution pipe 32, filtering the flow by the filter layer 34, and ejecting tows through the spinneret holes 41 on the spinneret plate 36;

s3, blowing constant-temperature and constant-humidity cooling air into the annular cooler 11 through the cooling air inlet 37, blowing the cooling air to the just sprayed tows through the air homogenizing plate 38 and the pressure stabilizing plate 39, and enabling the cooling air to move downwards along the tows;

s4, cooling air cools the tows in the annular cooler 11, the temperature of the cooling air is raised through heat exchange, the cooling air enters the hot air recovery cover 14 through a cavity of the annular cooler 11, is sucked by the air blower 26 through the first hot air pipe 15, is blown into the feeding box 3 through the second hot air pipe 8, and is further blown into the heat setting box 19 through the third hot air pipe 31.

S5, the cooled tows are subjected to oiling process through an oiling wheel 16, and then are drawn through a guide wheel 17, pass through a first drawing roller 18, are compounded on a second drawing roller 42, are wound on the outer wall of a heat setting roller 27 for heat setting, are drawn to a winding machine 22, rotate through a yarn winding drum 21, and are collected to form the composite fibers.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Spinning equipment of high strength low shrinkage composite fiber, including quick-witted case (1), its characterized in that: fixed surface is connected with feed tank (3) on quick-witted case (1), fixed surface is connected with fuse box (2) on feed tank (3), inboard upper wall fixedly connected with spinning case (7) of quick-witted case (1), spinning case (7) outer wall fixedly connected with upper flange (10), fixed surface is connected with annular cooler (11) under spinning case (7), annular cooler (11) outer wall fixedly connected with lower flange (33), spinning case (7), annular cooler (11) are through upper flange (10), lower flange (33) fixed connection, the one end outer wall joint that lower flange (33) were kept away from in annular cooler (11) has hot-blast recovery cover (14), quick-witted case (1) inboard left wall is provided with hot-blast recovery case (9), quick-witted case (1) internal rotation is connected with oil feeding wheel (16), guide pulley (17), First stretch roller (18), second stretch roller (42), the inside fixedly connected with heat setting box (19) of quick-witted case (1), quick-witted case (1) inboard right side wall fixedly connected with electrical apparatus control box (43), winder (22), electrical apparatus control box (43) set up the top at winder (22), electrical apparatus control box (43) antetheca rotates and is connected with control box door (29), control box door (29) outer wall fixedly connected with second handle (30), winder (22) antetheca rotates and is connected with a wire winding section of thick bamboo (21).

2. The spinning apparatus for high strength low shrinkage composite fiber according to claim 1, wherein: the melting tank is characterized in that a melting hopper (23) is fixedly connected inside the melting tank (2), the outer wall of the melting hopper (23) penetrates through the feeding tank (3), an extrusion screw pump (4) is fixedly connected to the end part, far away from the melting tank (2), of the melting hopper (23), and the extrusion screw pump (4) is fixedly connected inside the feeding tank (3).

3. The spinning apparatus for high strength low shrinkage composite fiber according to claim 2, wherein: the utility model discloses a spinning machine, including feed tank (3), feed tank (3) inside wall fixedly connected with first heat preservation (24), fixedly connected with booster pump (5), measuring pump (6) from right to left in proper order are said to the inboard lower wall of feed tank (3), fixedly connected with static mixer (44) between booster pump (5) and extrusion screw pump (4), fixedly connected with distributing pipe (32) between measuring pump (6) and spinning case (7).

4. The spinning apparatus for high strength low shrinkage composite fiber according to claim 1, wherein: spinning case (7) inside fixedly connected with filter layer (34), spinneret (36), filter layer (34) set up the top at spinneret (36), filter layer (34) inside is provided with filter sand (35).

5. The spinning apparatus for high strength low shrinkage composite fiber according to claim 4, wherein: the spinneret plate is characterized in that a plurality of groups of spinneret orifices (41) are arranged on the inner wall of the spinneret plate (36), the spinneret orifices (41) are in a polygonal star shape, and the spinneret orifices (41) are distributed on the spinneret plate (36) in a radial annular shape which gradually diffuses from the circle center outwards.

Images