CN111501113B - Spinning box for producing modified polypropylene monofilaments - Google Patents
Spinning box for producing modified polypropylene monofilaments Download PDFInfo
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- CN111501113B CN111501113B CN202010230673.1A CN202010230673A CN111501113B CN 111501113 B CN111501113 B CN 111501113B CN 202010230673 A CN202010230673 A CN 202010230673A CN 111501113 B CN111501113 B CN 111501113B
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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
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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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
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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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/09—Control of pressure, temperature or feeding rate
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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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
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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
- D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a spinning box for producing modified polypropylene monofilaments, which comprises a box body, metering pumps and a first distribution plate, wherein the metering pumps are installed on the left and the right of an inner cavity of the box body, and the top of each metering pump is communicated with a feeding pipe. According to the invention, through two groups of extrusion mechanisms, metering pumps and distribution plates, corresponding parts can be selected and started according to the modification mode of polypropylene monofilaments, when one group of extrusion mechanisms, metering pumps and distribution plates are used, multiple materials can be added into a feeding hopper to realize material blending spinning, when two groups of extrusion mechanisms, metering pumps and distribution plates are used, different materials are added into the two groups of feeding hoppers, two groups of spinneret orifices on a spinneret can realize outer layer wrapping of a monofilament inner core, when a transmission mechanism is started to convey corrosive solution to a clamping cavity of an air outlet plate, the solution overflows through a second spinneret orifice to contact and corrode the surface of formed monofilaments, so that the surface treatment of the polypropylene monofilaments is realized, and the polypropylene monofilament surface treatment device can cope with multiple modification modes of the polypropylene monofilaments and is suitable for wide popularization and use.
Description
Technical Field
The invention relates to the field of machinery, in particular to a spinning box for producing modified polypropylene monofilaments.
Background
The modified polypropylene fiber is prepared by modifying through a chemical or physical method in the preparation process of polypropylene or the forming process of the polypropylene fiber, wherein the physical method is mainly surface treatment or blending, the corresponding modes need various machines for matching, and the existing spinning box as an important part in the preparation of chemical fiber can not cope with different modification modes of polypropylene monofilament production generally. Therefore, we propose a spinning box for producing modified polypropylene monofilaments.
Disclosure of Invention
The invention aims to provide a spinning box for producing modified polypropylene monofilaments, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spinning box is used in production of modified polypropylene monofilament, includes box, measuring pump and first distribution plate, all install the measuring pump about the inner chamber of box, the top intercommunication of measuring pump has the inlet pipe, the top intercommunication that the box was run through at the top of inlet pipe has extrusion mechanism, extrusion mechanism's top intercommunication has into the hopper, the bottom intercommunication of measuring pump has filtering mechanism, filtering mechanism's below is provided with first distribution plate, the bottom of first distribution plate is provided with the second break plate, two sets of filtering mechanism's bottom respectively with the top intercommunication of first distribution plate and second break plate.
In a preferred embodiment of the present invention, a spinneret is disposed below the second distribution plate, the spinneret comprises a first spinneret orifice, a second spinneret orifice, an inner heat-preservation mechanism and an outer heat-preservation mechanism, the first spinneret orifice is positioned in the inner cavity of the inner heat-preserving mechanism, the second spinneret orifice is positioned between the inner heat-preserving mechanism and the outer heat-preserving mechanism, the first spinneret orifices are communicated with the bottom of the left filtering mechanism in the two groups of filtering mechanisms through a first distributing plate, the second spinneret orifices are communicated with the bottoms of the right-side filtering mechanisms in the two groups of filtering mechanisms through second distribution plates, the bottoms of the right-side filtering mechanisms in the two groups of filtering mechanisms penetrate through the first distribution plate, and the first spinneret orifices and the second spinneret orifices in the spinneret are respectively communicated with the first distribution plate and the second distribution plate, so that the partition of two melts is realized, and a foundation is provided for the surface treatment of subsequent monofilaments.
As a preferred embodiment of the present invention, an air outlet plate is disposed below the spinneret, an upper cooling pipe is disposed below the air outlet plate, a lower cooling pipe is disposed below the upper cooling pipe, a cooling cylinder is disposed between the upper cooling pipe and the lower cooling pipe, a cooling pool is disposed on the left side of the box, an air outlet is disposed at a position corresponding to the spinneret on the rear side of the inner cavity of the box, and two cooling devices, namely the air outlet and the cooling cylinder, cool the monofilaments, thereby doubly ensuring complete cooling of the monofilaments and avoiding affecting quality of the monofilaments due to temperature of the monofilaments.
As a preferred embodiment of the present invention, the inner cavity of the air outlet plate is provided with a clamping cavity, the top of the air outlet plate is provided with a second filament outlet, the second filament outlet is communicated with the clamping cavity, the right side wall of the box body is provided with a transmission mechanism, the clamping cavity penetrates through the right side wall of the box body and is communicated with the transmission mechanism, and the transmission mechanism can convey different substances and act on monofilaments through the second filament outlet in different modification modes, so as to achieve corresponding purposes.
As a preferred embodiment of the present invention, the inner cavities of the upper cooling pipe and the lower cooling pipe are both provided with cooling cavities, the cooling cavities are communicated with a cooling cylinder, the cooling cylinder comprises an inner cylinder and an outer cylinder, the inner cavity of the inner cylinder is provided with a first filament outlet, and the upper cooling pipe, the lower cooling pipe and the cooling cylinder form a cooling cycle, so that the consistency of cooling temperature can be ensured, and the quality of a single filament can be ensured.
As a preferred embodiment of the present invention, the filtering mechanism includes filter sand, a filter screen and a filter cartridge, the filter screen is installed at the bottom of the inner cavity of the filter cartridge, the filter sand is installed at the top of the filter screen, and the filter sand and the filter screen in the filter cartridge can filter mechanical impurities and agglomerated particles in the melt, so as to ensure the quality of the monofilaments.
As a preferred embodiment of the present invention, the inner cavity of the extrusion mechanism is provided with two sets of screws, the outer side wall of each screw is provided with a thread, the outer side wall of each thread is provided with a groove, and the grooves are perpendicular to the threads.
As a preferred embodiment of the present invention, the top of the cooling pool is respectively communicated with one end of a liquid inlet pipe and one end of a liquid outlet pipe, the other end of the liquid inlet pipe penetrates through the left side wall of the box body and is communicated with the left end of the upper cooling pipe, and the other end of the liquid outlet pipe penetrates through the left side wall of the box body and is communicated with the left end of the lower cooling pipe.
As a preferred embodiment of the invention, the box body is an upper heating and heat-preserving box body and is heated by a gas-phase heating medium, and the gas-phase heating medium heating box body enables the melt to be maintained in a state, so that the box body is environment-friendly and convenient, and provides a good foundation for subsequent spinning.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the spinning box for producing the modified polypropylene monofilaments, corresponding parts can be selected and started according to the modification mode of the polypropylene monofilaments through the two groups of extrusion mechanisms, the metering pump and the distributing plate, when one group of extrusion mechanisms, the metering pump and the distributing plate are used, multiple materials are added into the feeding hopper to realize material blending spinning, when the two groups of extrusion mechanisms, the metering pump and the distributing plate are used, different materials are added into the two groups of feeding hoppers, the two groups of spinneret orifices on the spinneret can wrap the outer layer of the inner core of the monofilaments, when the conveying mechanism is started to convey corrosive solution to the clamping cavity of the air outlet plate, the solution overflows through the second spinneret orifice, contacts and corrodes the surface of the formed monofilaments, the surface treatment of the polypropylene monofilaments is realized, and the multiple modification modes of the polypropylene monofilaments can be met.
2. According to the spinning box for producing the modified polypropylene monofilaments, the transmission mechanism is started to reversely exhaust air through the clamping cavity of the air outlet plate when the solution is not required to be conveyed, so that the second filament outlet hole generates suction force to attract the monofilaments sprayed by the spinning head, and the monofilaments are prevented from overflowing to cause influence.
3. According to the spinning box for producing the modified polypropylene monofilaments, the cooling cylinder is circularly cooled through the cooling cavities in the upper cooling pipe and the lower cooling pipe, so that the monofilaments can be cooled when passing through the first filament outlet, the monofilaments are promoted to be completely cooled, and the influence on the quality of the monofilaments due to the temperature of the monofilaments is avoided.
4. According to the spinning box for producing the modified polypropylene monofilaments, the grooves in the threads enable part of materials to move back and forth when multiple materials are mixed through the two groups of screws in the extruding mechanism, so that the uniform mixing of the materials is promoted, and the effect of uniform distribution of all the materials in a melt is achieved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of the overall structure of a spinning box for producing modified polypropylene monofilaments according to the present invention;
FIG. 2 is an enlarged schematic view of a spinning beam A for producing modified polypropylene monofilaments according to the present invention;
FIG. 3 is a schematic view of the structure of the spinneret in the spinning box for producing modified polypropylene monofilaments according to the present invention;
FIG. 4 is a schematic structural diagram of a cooling cylinder in a spinning box for producing modified polypropylene monofilaments according to the present invention;
FIG. 5 is a schematic diagram of the construction of the filter cartridge in the spin box for producing modified polypropylene monofilaments according to the present invention;
FIG. 6 is a schematic structural diagram of an extrusion mechanism in a spinning box for producing modified polypropylene monofilaments according to the present invention.
In the figure: 1. a box body; 2. feeding into a hopper; 3. an extrusion mechanism; 4. a feed inlet; 5. a metering pump; 6. a filtering mechanism; 7. a first distribution plate; 8. a second distribution plate; 9. a spinneret; 10. a transport mechanism; 11. a cooling cylinder; 12. an upper cooling pipe; 13. a lower cooling tube; 14. a liquid inlet pipe; 15. a liquid outlet pipe; 16. a cooling pool; 17. a clamp cavity; 18. an air outlet; 19. a first spinneret orifice; 20. a second spinneret orifice; 21. an internal heat preservation mechanism; 22. an external heat-insulating mechanism; 23. an inner barrel; 24. an outer cylinder; 25. a cooling chamber; 26. a first filament outlet; 27. filtering sand; 28. a filter screen; 29. a filter cartridge; 30. a screw; 31. a thread; 32. a groove; 33. a second filament outlet; 34. and (7) an air outlet plate.
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.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a spinning box is used in production of modified polypropylene monofilament, includes box 1, measuring pump 5 and first distribution board 7, all install measuring pump 5 about the inner chamber of box 1, the top intercommunication of measuring pump 5 has inlet pipe 4, the top intercommunication that box 1 was run through at the top of inlet pipe 4 has extruding means 3, extruding means 3's top intercommunication has into hopper 2, measuring pump 5's bottom intercommunication has filtering mechanism 6, filtering mechanism 6's below is provided with first distribution board 7, the bottom of first distribution board 7 is provided with second distribution board 8, the bottom of two sets of filtering mechanism 6 respectively with the top intercommunication of first distribution board 7 and second distribution board 8.
In this embodiment, a spinneret 9 is disposed below the second distribution plate 8, the spinneret 9 includes a first spinneret orifice 19, a second spinneret orifice 20, an inner heat-insulating mechanism 21 and an outer heat-insulating mechanism 22, the first spinneret orifice 19 is located in an inner cavity of the inner heat-insulating mechanism 21, the second spinneret orifice 20 is located between the inner heat-insulating mechanism 21 and the outer heat-insulating mechanism 22, the first spinneret orifice 19 is communicated with the bottom of the left-side filtering mechanism of the two groups of filtering mechanisms 6 through a first distribution plate 7, the second spinneret orifice 20 is communicated with the bottom of the right-side filtering mechanism of the two groups of filtering mechanisms 6 through a second distribution plate 8, the bottom of the right-side filtering mechanism 6 of the two groups of filtering mechanisms 6 penetrates through the first distribution plate 7, and through the two groups of extruding mechanisms 3, the metering pump 5 and the distribution plate, corresponding components can be selectively activated according to a modification mode of polypropylene monofilaments, and one group of extruding mechanisms 3, one group of extruding mechanisms, one group of filtering mechanisms, one filtering mechanisms, and one group of filtering mechanisms 6, and the other group of filtering mechanisms, When a metering pump 5 and a distributing plate are used, a plurality of materials are added into a feeding hopper 2 to realize material blending spinning, when two groups of extruding mechanisms 3, the metering pump 5 and the distributing plate are used, different materials are added into the two groups of feeding hoppers 2, two groups of spinneret holes on a spinneret 9 can realize outer layer wrapping of a monofilament inner core, when a transmission mechanism is started to convey corrosive solution to a clamping cavity 17 of an air outlet plate 34, the solution overflows through a second filament outlet hole 33 to contact and corrode the surface of formed monofilaments to realize surface treatment of the polypropylene monofilaments, an air outlet plate 34 is arranged below the spinneret 9 in response to various modification modes of the polypropylene monofilaments, an upper cooling pipe 12 is arranged below the air outlet plate 34, a lower cooling pipe 13 is arranged below the upper cooling pipe 12, a cooling cylinder 11 is arranged between the upper cooling pipe 12 and the lower cooling pipe 13, and a cooling pool 16 is arranged on the left side of a box body 1, the air outlet 18 is arranged at the position, corresponding to the spinning nozzle 9, of the rear side of the inner cavity of the box body 1, the monofilament is cooled by the two cooling devices, namely the air outlet 18 and the cooling cylinder 11, so that the complete cooling of the monofilament is promoted by dual guarantee, and the influence on the quality of the monofilament caused by the temperature of the monofilament is avoided.
The inner cavity of the air outlet plate 34 is provided with a clamping cavity 17, the top of the air outlet plate 34 is provided with a second filament outlet 33, the second filament outlet 33 is communicated with the clamping cavity 17, the right side wall of the box body 1 is provided with a transmission mechanism 10, the clamping cavity 17 penetrates through the right side wall of the box body 1 and is communicated with the transmission mechanism 10, when solution conveying is not needed, the transmission mechanism 10 is started to reversely pump air, the clamping cavity 17 of the air outlet plate 34 enables the second filament outlet 33 to generate suction force to attract monofilaments sprayed by a spinning nozzle 9 and prevent the monofilaments from overflowing, different substances can be conveyed under different modification modes and act on the monofilaments through the second filament outlet, corresponding purposes are achieved, the inner cavities of the upper cooling pipe 12 and the lower cooling pipe 13 are both provided with cooling cavities 25, the cooling cavities 25 are communicated with the cooling cylinder 11, the cooling cylinder 11 comprises an inner cylinder 23 and an outer cylinder 24, the inner cavity of the inner cylinder 23 is provided with a first filament outlet 26, the cooling chamber 25 in the upper cooling pipe 12 and the lower cooling pipe 13 circularly cools the cooling cylinder 11, when the monofilament passes through the first filament outlet 26, the monofilament can be cooled, the complete cooling of the monofilament is promoted, the monofilament quality is prevented from being influenced by the monofilament temperature, the filtering mechanism 6 comprises filtering sand 27, a filtering net 28 and a filtering cylinder 29, the filtering net 28 is installed at the bottom of the inner chamber of the filtering cylinder 29, the filtering sand 27 is arranged at the top of the filtering net 28, the filtering sand 27 and the filtering net 28 in the filtering cylinder 29 can filter mechanical impurities and agglutinated particles in the melt, the monofilament quality is ensured, the screws 30 are installed in the inner chamber of the extruding mechanism 3, the number of the screws 30 is two groups, the threads 31 are installed on the outer side wall of the screws 30, the grooves 32 are formed on the outer side wall of the threads 31, the grooves 32 are perpendicular to the threads 31, and the two groups of screws 30 in the extruding mechanism 3 are passed through, when multiple materials mix, recess 32 on the screw thread 31 makes partial material round trip movement, promotes the homogeneous mixing of material, reaches the even effect of each material distribution in the melt, the top of cooling bath 16 communicates the one end that has feed liquor pipe 14 and drain pipe 15 respectively, the left side wall that the box 1 was run through to the other end of feed liquor pipe 14 and the left end intercommunication of last cooling tube 12, the left side wall that the box 1 was run through to the other end of drain pipe 15 and the left end intercommunication of cooling tube 13 down, box 1 is the top heating insulation box and heats through gaseous phase heat medium, and gaseous phase heat medium heating box makes the melt maintain the state, and the environmental protection is convenient, provides good basis for follow-up spouting the silk.
When the spinning box for producing the modified polypropylene monofilaments is used, corresponding parts can be selected and started according to the modification mode of the polypropylene monofilaments, when the polypropylene monofilaments are modified by a blending mode, a group of material feeding hoppers 2 can be selected to introduce required materials, the extruding mechanism 3 heats the materials and conveys a melt to the metering pump 5, at the moment, two groups of screws 30 in the extruding mechanism 3 move back and forth by grooves 32 on threads 31 when a plurality of materials are mixed, so that the uniform mixing of the materials is promoted, the effect of uniform distribution of all the materials in the melt is achieved, then the materials are conveyed to the first distribution plate 7 or the second distribution plate 8 through the filtering mechanism 6, filtering sand 27 and a filtering net 28 in a filtering barrel 29 filter mechanical impurities and agglutinated particles in the melt, the melt in the distribution plate is processed into the monofilaments by the spinneret 9, when the outer layer of the inner cores of the monofilaments is selected to be coated to realize surface treatment, two groups of materials are respectively led into corresponding feeding hoppers 2, an extruding mechanism 3 heats the materials and transmits a melt to a metering pump 5, then the materials are conveyed to a first distribution plate 7 or a second distribution plate 8 through a filtering mechanism 6, at the moment, filtering sand 27 and a filtering net 28 in a filtering cylinder 29 filter mechanical impurities and agglomerated particles in the melt, a monofilament inner core is sprayed out from a first spinneret orifice 19 in a spinneret 9, the melt is sprayed out from a second spinneret orifice 20 to wrap the monofilament to realize the inner and outer layer structure of the modified monofilament, then an air outlet 18 primarily cools the monofilament, a transmission mechanism 10 is started to enable a cooling cavity 25 in an upper cooling pipe 12 and a lower cooling pipe 13 to circularly cool a cooling cylinder 11, when the monofilament passes through a first spinneret orifice 26, the monofilament can be cooled, the complete cooling of the monofilament is promoted, the quality of the monofilament is prevented from being influenced by the temperature of the monofilament, and when the surface corrosion of the monofilament is selected to be modified, repeating the steps, reversely starting the transmission mechanism 10 to convey the corrosive solution to the clamping cavity 17 of the air outlet plate 34, enabling the corrosive solution to overflow through the second filament outlet hole 33, contacting and corroding the surface of the formed monofilament, realizing surface treatment on the polypropylene monofilament, and realizing multiple modification modes of polypropylene monofilament by one machine.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a spinning case is used in production of modified polypropylene monofilament, includes box (1), measuring pump (5) and first distribution board (7), its characterized in that: the automatic feeding device is characterized in that metering pumps (5) are installed on the left and right sides of an inner cavity of the box body (1), the top of each metering pump (5) is communicated with a feeding pipe (4), the top of each feeding pipe (4) penetrating through the box body (1) is communicated with an extruding mechanism (3), the top of each extruding mechanism (3) is communicated with a feeding hopper (2), the bottom of each metering pump (5) is communicated with a filtering mechanism (6), a first distributing plate (7) is arranged below each filtering mechanism (6), a second distributing plate (8) is arranged at the bottom of each first distributing plate (7), and the bottoms of the two groups of filtering mechanisms (6) are respectively communicated with the tops of the first distributing plate (7) and the second distributing plate (8),
a spinneret (9) is arranged below the second distribution plate (8), the spinneret (9) comprises a first spinneret hole (19), a second spinneret hole (20), an inner heat-insulating mechanism (21) and an outer heat-insulating mechanism (22), the first spinneret hole (19) is positioned in an inner cavity of the inner heat-insulating mechanism (21), the second spinneret hole (20) is positioned between the inner heat-insulating mechanism (21) and the outer heat-insulating mechanism (22), the first spinneret hole (19) is communicated with the bottom of the left filtering mechanism in the two groups of filtering mechanisms (6) through the first distribution plate (7), the second spinneret hole (20) is communicated with the bottom of the right filtering mechanism in the two groups of filtering mechanisms (6) through the second distribution plate (8), and the bottom of the right filtering mechanism (6) in the two groups of filtering mechanisms (6) penetrates through the first distribution plate (7),
the lower part of the spinning nozzle (9) is provided with a wind outlet plate (34), the lower part of the wind outlet plate (34) is provided with an upper cooling pipe (12), the lower part of the upper cooling pipe (12) is provided with a lower cooling pipe (13), a cooling barrel (11) is arranged between the upper cooling pipe (12) and the lower cooling pipe (13), the left side of the box body (1) is provided with a cooling pool (16), the rear side of the inner cavity of the box body (1) is provided with a wind outlet (18) corresponding to the position of the spinning nozzle (9),
go up cooling tube (12) and all seted up cooling chamber (25) with the inner chamber of lower cooling tube (13), cooling chamber (25) and cooling cylinder (11) intercommunication, cooling cylinder (11) include inner tube (23) and urceolus (24), the inner chamber of inner tube (23) is provided with first silk hole (26).
2. The manifold for producing modified polypropylene monofilaments of claim 1, wherein: the inner chamber that goes out aerofoil (34) has been seted up and has been pressed from both sides chamber (17), second outlet hole (33) have been seted up at the top that goes out aerofoil (34), second outlet hole (33) and clamp chamber (17) intercommunication, transmission device (10) are installed to the right side wall of box (1), press from both sides the right side wall that chamber (17) runs through box (1) and communicate with transmission device (10).
3. The manifold for producing modified polypropylene monofilaments of claim 1, wherein: the filter mechanism (6) comprises filter sand (27), a filter screen (28) and a filter cartridge (29), the filter screen (28) is installed at the bottom of an inner cavity of the filter cartridge (29), and the filter sand (27) is arranged at the top of the filter screen (28).
4. The manifold for producing modified polypropylene monofilaments of claim 1, wherein: the number of screws (30) and screws (30) installed in the inner cavity of the extruding mechanism (3) is two, the outer side wall of each screw (30) is provided with a thread (31), and the outer side wall of each thread (31) is provided with a groove (32) and a groove (32) perpendicular to the thread (31).
5. The manifold for producing modified polypropylene monofilaments of claim 1, wherein: the top of cooling bath (16) communicates respectively has the one end of feed liquor pipe (14) and drain pipe (15), the left side wall that the other end of feed liquor pipe (14) runs through box (1) and the left end intercommunication of last cooling tube (12), the left side wall that the other end of drain pipe (15) runs through box (1) and the left end intercommunication of cooling tube (13) down.
6. The manifold for producing modified polypropylene monofilaments of claim 1, wherein: the box body (1) is an upper heating insulation box body and is heated by a gas phase heating medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230673.1A CN111501113B (en) | 2020-03-27 | 2020-03-27 | Spinning box for producing modified polypropylene monofilaments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230673.1A CN111501113B (en) | 2020-03-27 | 2020-03-27 | Spinning box for producing modified polypropylene monofilaments |
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| CN111501113A CN111501113A (en) | 2020-08-07 |
| CN111501113B true CN111501113B (en) | 2021-08-27 |
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| CN111962168B (en) * | 2020-08-10 | 2021-11-05 | 陕西天策新材料科技有限公司 | Inner and outer layer heating medium circulation heating spinning assembly for preparing mesophase pitch-based carbon fiber |
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