CN113005546B

CN113005546B - Production method of fluorocarbon monofilament

Info

Publication number: CN113005546B
Application number: CN202110097410.2A
Authority: CN
Inventors: 吕从慧; 仲陈锐
Original assignee: Lianyungang Lunyang Monofilament Technology Co ltd
Current assignee: LIANYUNGANG NAITE NET WORK TECHNOLOGY CO LTD
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2022-03-29
Anticipated expiration: 2041-01-25
Also published as: CN113005546A

Abstract

A fluorocarbon monofilament production method comprises a seat frame, PVDF particles, a funnel, a speed reducer, a spiral extruder, an A-section heater, a D-section heater, an A-section temperature controller, a D-section temperature controller, a spinneret plate, a liquid cooling box, a front traction roller, a front thermostat, a middle traction roller, a rear thermostat, a rear traction roller, a wire winding disc a, a wire winding disc D, a temperature sensor A, a temperature sensor D, a fuse wire, a coarse fluorocarbon filament, a fine fluorocarbon filament and cooling liquid; is characterized in that: controlling the passing time and the passing stroke of the fuse wire from the spinneret plate to the cooling liquid as follows: when the filament diameter of the fluorocarbon monofilament is 0.8-2mm, the passing time of the fuse from the spinneret plate to the cooling liquid is 6-12 seconds, and the passing stroke is 200-300 mm; the cooling liquid includes: glycerin, silicone oil, water; the defects of unevenness on the surface of the monofilament and uneven wire diameter can be effectively solved, and the purpose of realizing high-quality mass production can be achieved.

Description

Production method of fluorocarbon monofilament

Technical Field

The invention relates to a fishing line, in particular to a production method of fluorocarbon monofilaments.

Background

The fluorocarbon monofilament has the characteristics of high toughness, low friction coefficient, strong corrosion resistance, aging resistance, weather resistance, good irradiation resistance and the like, and is gradually applied to the fields of industrial filter screen wires, fishing lines and the like in recent years.

The fluorocarbon monofilament in the prior art is formed by hot melting, cooling and drawing PVDF particles, wherein the PVDF particles are short for polyvinylidene fluoride resin, have a structural formula of- (CH2-CF2) n-, are crystalline high polymer materials with the crystallinity of about 30-50%, have high specific gravity (1.75 g/CM 3) and high tensile strength; because the PVDF raw material has the characteristics of high viscosity, slow melt flow, temperature sensitivity, high crystallization speed and the like, the technical difficulty of producing monofilaments is high, the quality is difficult to master, and the problems that the mass production is difficult at present are solved.

The fluorocarbon monofilaments produced in the prior art have the defects of uneven monofilament surface, elliptical linear shape, uneven wire diameter and air bubbles in the monofilaments, so that the research on solving the problems of poor quality and incapability of mass production of the fluorocarbon monofilaments is a beautiful work which is very worthy of the efforts of people.

Disclosure of Invention

The invention provides a production method of a fluorocarbon monofilament, which can effectively solve the problems of uneven surface of the monofilament, elliptical linear shape, uneven thickness of the wire diameter and air bubbles in the monofilament and can realize the purpose of high-quality mass production.

The technical scheme for solving the technical problem is as follows: the invention comprises a melt extrusion system, a liquid cooling system, a preposed traction system, a preposed constant temperature system, a middle traction system, a rear constant temperature system, a rear traction system and a wire winding system; the equipment seat frame system comprises a transverse pedal, a vertical installation plate, a front traction rolling device hole, a front traction auxiliary rolling device hole, a middle traction auxiliary rolling device hole, a rear traction auxiliary rolling device hole and a wire winding equipment hole.

The equipment seat frame system consists of a transverse pedal and a vertical mounting plate, the transverse pedal and the vertical mounting plate are poured by cement concrete to form an L-shaped structure which is mutually vertical and integrated, the left end of the transverse pedal is aligned with the right end of the vertical mounting plate, and the left end of the transverse pedal exceeds the vertical mounting plate and is used for mounting a melt extrusion system and a liquid cooling system; reinforcing steel bars are arranged in the concrete of the transverse pedal; the left part of the vertical mounting plate is provided with a preposed traction rolling device hole and a preposed traction auxiliary rolling device hole; a middle traction rolling device hole and a middle traction auxiliary rolling device hole are formed in the middle of the vertical mounting plate; a rear traction rolling device hole, a rear traction auxiliary rolling device hole and a wire winding equipment device hole are formed in the right part of the vertical installation plate; the equipment seat frame system is used for arranging a melt extrusion system, a liquid cooling system, a front traction system, a front constant temperature system, a middle traction system, a rear constant temperature system, a rear traction system and a wire winding system on the same fixed seat frame, so that the vibration displacement of dispersed installation equipment after being used for a period of time is avoided, the influence on the quality of wire drawing is avoided, and further, the same straight line from the liquid cooling system, the front traction system, the middle traction system, the rear traction system to the wire winding system can be ensured to be unchanged, so that the wire diameter of the wire drawing as a fluorocarbon monofilament is uniform, a stable equipment device foundation is established for the production method, and the purpose of stabilizing the equipment and stabilizing the product quality is achieved.

The melt extrusion system and the liquid cooling system are arranged at the right part of a transverse pedal of the equipment seat frame system; the melt extrusion system is arranged on the left side and the liquid cooling system is arranged on the right side; the preposed traction system, the preposed constant temperature system, the middle traction system, the rear constant temperature system, the rear traction system and the wire winding system are arranged on a vertical mounting plate of the equipment seat frame system; the preposed traction system device is arranged at a preposed traction rolling device hole and a preposed traction auxiliary rolling device hole of the vertical device plate; the middle traction rolling device hole device is arranged at a middle traction rolling device hole, a middle traction auxiliary rolling device hole and a rear traction rolling device hole of the vertical mounting plate; the rear traction system device is arranged in a rear traction rolling device hole and a rear traction auxiliary rolling device hole of the vertical installation plate; the wire winding system device is arranged at the wire winding equipment device hole of the vertical installation plate.

The device comprises an equipment seat frame system, a melt extrusion system, a liquid cooling system, a preposed traction system, a preposed constant temperature system, a middle traction system, a rear constant temperature system, a rear traction system and a wire winding system; the composite material also comprises raw materials of PVDF particles, fuse wires, coarse-grade fluorocarbon filaments, fine-grade fluorocarbon filaments and fine-grade fluorocarbon filaments; the PVDF particles are subjected to hot melting and die forming to form a fuse wire through a melt extrusion system; the fuse wire is cooled and crystallized by a liquid cooling system to form a solid coarse-grade fluorocarbon filament, the coarse-grade fluorocarbon filament is pulled by a front traction system to a front constant temperature system to be dried and softened, and is stretched by a middle traction system to form a fine-grade fluorocarbon filament; the fine fluorocarbon filaments are secondarily dried and softened by a rear constant temperature system and are further stretched into fine fluorocarbon filaments by a rear traction system; the fine fluorocarbon filaments are wound on a filament disc by a filament winding system to form fluorocarbon monofilaments; the method is characterized in that: controlling the passing time of the monofilament from the spinneret plate to the cooling liquid section, namely avoiding the crystallization point of PVDF in the cooling process, ensuring the shape stability of the monofilament in the transition process from a molten state to a high elastic state, and setting the corresponding passing time and passing time of the filament discharging to the cooling liquid according to the filament diameters of the fluorocarbon monofilaments with different specifications; the passing time and the passing stroke of the wire discharging to the cooling liquid are set as follows: 1. when the filament diameter of the fluorocarbon monofilament is 0.1-0.4mm, the passing time of the fuse from the spinneret plate to the cooling liquid is 2-4.5 seconds, and the passing stroke is 200-300 mm; 2. when the filament diameter of the fluorocarbon monofilament is 0.4-0.8mm, the passing time of the fuse from the spinneret plate to the cooling liquid is 4.5-6 seconds, and the passing stroke is 200-300 mm; 3. when the filament diameter of the fluorocarbon monofilament is 0.8-2mm, the passing time of the fuse from the spinneret plate to the cooling liquid is 6-12 seconds, and the passing stroke is 200-300 mm; 4. when the filament diameter of the fluorocarbon monofilament is 2-4mm, the passing time of the fuse from the spinneret plate to the cooling liquid is 12-18 seconds, and the passing stroke is 200-300 mm; 5. when the filament diameter of the fluorocarbon monofilament is 4-6mm, the passing time of the fuse from the spinneret plate to the cooling liquid is 18-30 seconds, and the passing stroke is 200-300 mm; the cooling liquid comprises glycerin, silicone oil and water.

The cooling liquid is as follows: 50-100% of glycerin, 0-30% of silicone oil and 0-20% of water.

The cooling liquid adopts glycerol, silicone oil and water, and has the functions of: the defects that the cooling liquid in the prior art adopts water, so that the produced fluorocarbon monofilament is hard, uneven in wire diameter, low in transparency and low in tensile strength are overcome.

Compared with the prior art, the cooling liquid adopts the beneficial effects of glycerin, silicone oil and water: the produced fluorocarbon monofilament is soft, uniform in wire diameter, high in transparency and capable of improving the tensile strength by 10-20%.

The invention has the beneficial effects that: the defects that the surface of the monofilament is uneven, the linear shape is elliptical, the diameter of the monofilament is uneven and air bubbles are in the monofilament can be effectively overcome, and the purpose of realizing high-quality mass production can be achieved; can replace import, save foreign exchange, bring economic benefits to production enterprises, reduce production cost, save energy, protect environment and bring immeasurable beneficial effects to enterprises, society and countries.

Drawings

FIG. 1 is a system block diagram of the present invention.

Fig. 2 is a block diagram of the present invention.

Fig. 3 is an enlarged view of part H1 of the structural diagram of the present invention.

Fig. 4 is an enlarged view of part H2 of the structural diagram of the present invention.

Figure 5 is a front elevational view of the mount of the present invention.

Figure 6 is a structural left side view of the mount of the present invention.

Fig. 7 is a structural sectional view of the liquid cooling tank of the present invention.

Fig. 8 is a cross-sectional view of the liquid-cooled tank of the present invention as fluorocarbon monofilaments pass through it.

Fig. 9 is an overall configuration diagram of the front oven of the present invention.

FIG. 10 is a view showing the configuration of the front oven with the cover removed.

FIG. 11 is a structural view of the cover of the pre-oven of the present invention.

Therein, 100. equipment mounting system; 200. a melt extrusion system; 300. a liquid cooling system; 400. front-end traction system: 500. a front constant temperature system; 600. a middle traction system: 700. a rear constant temperature system; 800. a rear traction system: 900. a filament winding system; 1.a seat frame; PVDF particles; 3. a funnel; 4. a speed reducer; 5. a speed reducer speed regulator; 6. a screw extruder; a section a heater; a section B heater; a section C heater; a D-stage heater; a section A of temperature controller; a B-stage temperature controller; a C-stage temperature controller; a stage D temperature controller; 15. a spinneret plate; 16. a liquid cooling tank; 17. a diverting pulley; 18. a front traction roller; 19. a front traction auxiliary roller; 20. a front traction speed regulator; 21. a front thermostat; 22. a middle traction roller; 23. a middle traction auxiliary roller; 24. a traction speed regulator is arranged in the middle; 25. a thermostat is arranged at the rear; 26. a rear traction roller; 27. a rear traction auxiliary roller; 28. a rear traction speed regulator; 29. a wire winding disc a; 30. a wire winding disc b; 31. a wire-winding disc c; 32. a wire winding disc d; 33. a wire-winding disc e; 34. a speed regulator of a wire winding disc a; 35. a speed regulator of a wire winding disc b; 36. a speed regulator of a wire winding disc c; 37. d, a speed regulator of a wire winding disc; 38. a wire winding disc e speed regulator; 39. fluorocarbon monofilaments; 40. a temperature sensor A; 41. a temperature sensor B; 42. a temperature sensor C; 43. a temperature sensor D; 44. a fuse; 45. coarse-grade fluorocarbon filaments; 46. fine-grade fluorocarbon filaments; 47. fine-grade fluorocarbon filaments;48. cooling liquid;101. a cross pedal; 102. erecting the plate; 103. a front traction roller device hole; 104. a front traction auxiliary rolling device hole; 105. a traction rolling device hole is arranged in the middle; 106. a traction rolling auxiliary device hole is arranged in the middle; 107. a rear traction rolling device hole; 108. a rear traction rolling auxiliary device hole; 109. a wire winding equipment device hole; 160. a box body; 161. a thread guide rod; 167. a right mounting ear; 168. a left mounting ear; 169. cooling liquid; 210. a thermostat main board; 211. a temperature sensor 1; 212. a temperature sensor 2; 213. a temperature sensor 3; 214. a temperature sensor 4; 215. the box cover is sleeved with an upper seat; 216. The box cover is sleeved on the lower seat; 217. a heat conducting plate; 218. mounting holes; 219. a housing; 139. a transparent window; 391. a wire through hole; 221. a temperature controller 1; 222. a temperature controller 2; 223. a temperature controller 3; 224. a temperature controller 4; 231. an electric heater 1; 232. an electric heater 2; 233. an electric heater 3; 234. an electric heater 4; 235. an electric heater 5; 236. an electric heater 6; 237. an electric heater 7; 238. and an electric heater 8.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

The first embodiment is described.

In fig. 1, the present invention includes a melt extrusion system (200), a liquid cooling system (300), a front traction system (400), a front constant temperature system (500), a middle traction system (600), a rear constant temperature system (700), a rear traction system (800), and a filament winding system (900); the method is characterized in that: the equipment seat frame system (100) comprises a transverse pedal (101), a vertical installation plate (102), a front traction rolling device hole (103), a front traction auxiliary rolling device hole (104), a middle traction rolling device hole (105), a middle traction auxiliary rolling device hole (106), a rear traction rolling device hole (107), a rear traction auxiliary rolling device hole (108) and a wire winding equipment hole (109).

The equipment seat frame system (100) is composed of a transverse pedal (101) and a vertical installation plate (102), the transverse pedal (101) and the vertical installation plate (102) are formed by pouring cement concrete into an L-shaped structure which is vertical to each other and integrated, the left end of the transverse pedal (101) is aligned to the right end of the vertical installation plate (102), and the left end of the transverse pedal (101) exceeds the vertical installation plate (102) and is used for installing a melt extrusion system (200) and a liquid cooling system (300); reinforcing steel bars are arranged in the concrete of the transverse pedal (101); a preposed traction rolling device hole (103) and a preposed traction auxiliary rolling device hole (104) are formed in the left part of the vertical installation plate (102); a middle traction rolling device hole (105) and a middle traction auxiliary rolling device hole (106) are formed in the middle of the vertical mounting plate (102); a rear traction rolling device hole (107), a rear traction auxiliary rolling device hole (108) and a wire winding equipment device hole (109) are formed in the right part of the vertical installation plate (102); the equipment seat frame system (100) has the functions that the melt extrusion system (200), the liquid cooling system (300), the preposed traction system (400), the preposed constant temperature system (500), the middle traction system (600), the postposed constant temperature system (700), the postposed traction system (800) and the wire winding system (900) are arranged on the same fixed seat frame, so that the vibration displacement of the scattered installation equipment after a period of use is avoided, the influence on the quality of the wire drawing can further ensure that the same straight line from the liquid cooling system (300), the front traction system (400), the middle traction system (600), the rear traction system (800) to the wire winding system (900) is unchanged, therefore, when the wire diameter of the fluorocarbon monofilament (39) is uniform, the wire drawing method can establish a stable equipment device foundation for the following production method, and the purpose of stabilizing equipment and stabilizing product quality can be achieved.

In fig. 1, 5 and 6, the melt extrusion system (200) and the liquid cooling system (300) are arranged at the right part of a cross pedal (101) of the equipment seat frame system (100); the melt extrusion system (200) is arranged on the right of the left liquid cooling system (300); the front traction system (400), the front constant temperature system (500), the middle traction system (600), the rear constant temperature system (700), the rear traction system (800) and the wire winding system (900) are arranged on a vertical mounting plate (102) of the equipment seat frame system (100); the preposed traction system (400) is arranged at a preposed traction rolling device hole (103) and a preposed traction auxiliary rolling device hole (104) of the vertical device plate (102); the middle traction rolling device hole (105) is arranged at a middle traction rolling device hole (105), a middle traction auxiliary rolling device hole (106) and a rear traction rolling device hole (107) of the vertical mounting plate (102); the rear traction system (800) is arranged in a rear traction rolling device hole (107) and a rear traction auxiliary rolling device hole (108) of the vertical installation plate (102); the wire winding system (900) is mounted at a wire winding apparatus mounting hole (109) of the erector plate (102).

In fig. 1, the present invention includes an equipment mounting system (100), a melt extrusion system (200), a liquid cooling system (300), a front traction system (400), a front constant temperature system (500), a middle traction system (600), a rear constant temperature system (700), a rear traction system (800), a wire winding system (900); the composite material also comprises raw material PVDF particles (2), a fuse wire (44), a coarse-grade fluorocarbon filament (45), a fine-grade fluorocarbon filament (46) and a fine-grade fluorocarbon filament (47); the PVDF particles (2) are hot-melted and molded into a fuse wire (44) by a melt extrusion system (200); the fuse wire (44) is cooled and crystallized into a solid coarse-grade fluorocarbon filament (45) through cooling liquid (48) of the liquid cooling system (300), the coarse-grade fluorocarbon filament (45) is pulled to a front constant temperature system (500) through a front traction system (400) to be dried and softened, and is stretched into a fine-grade fluorocarbon filament (46) by a middle traction system (600); the fine fluorocarbon filaments (46) are secondarily baked and softened by a rear constant temperature system (700) and are further stretched into fine fluorocarbon filaments (47) by a rear traction system (800); the fine fluorocarbon filament (47) is wound on a filament disc by a filament winding system (900) to form a fluorocarbon monofilament; the method is characterized in that: controlling the passing time of the filament from the spinneret plate to the cooling liquid (48) section, namely avoiding the crystallization point of PVDF in the cooling process, ensuring the shape stability of the filament in the transition process from the molten state to the high elastic state, and setting the corresponding passing time and passing time of filament discharge according to the filament diameters of fluorocarbon filaments (39) of different specifications; the passing time and the passing stroke of the wire discharging to the cooling liquid are set as follows: 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 2-4.5 seconds, and the passing stroke is 200-300 mm; 2. when the diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 4.5-6 seconds, and the passing stroke is 200-300 mm; 3. when the diameter of the fluorocarbon monofilament (39) is 0.8-2mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 6-12 seconds, and the passing stroke is 200-300 mm; 4. when the diameter of the fluorocarbon monofilament (39) is 2-4mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 12-18 seconds, and the passing stroke is 200-300 mm; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 18-30 seconds, and the passing stroke is 200-300 mm; the cooling liquid (48) comprises glycerin, silicone oil and water.

The cooling liquid (48) is: 50-100% of glycerin, 0-30% of silicone oil and 0-20% of water.

The cooling liquid (48) adopts glycerin, silicone oil and water, and has the functions of: the defects that the cooling liquid in the prior art adopts water, so that the produced fluorocarbon monofilament is hard, uneven in wire diameter, low in transparency and low in tensile strength are overcome.

Compared with the prior art, the cooling liquid (48) adopts glycerin, silicone oil and water, and has the beneficial effects that: the produced fluorocarbon monofilament is soft, uniform in wire diameter, high in transparency and capable of improving the tensile strength by 10-20%.

Embodiment two.

In the figures 2, 3 and 4, the device comprises a seat frame (1), PVDF particles (2), a funnel (3), a speed reducer (4), a speed reducer speed regulator (5), a spiral extruder (6), an A-section heater (7), a B-section heater (8), a C-section heater (9), a D-section heater (10), an A-section temperature controller (11), a B-section temperature controller (12), a C-section temperature controller (13), a D-section temperature controller (14), a spinneret plate (15), a liquid cooling box (16), a steering pulley (17), a front traction roller (18), a front traction auxiliary roller (19), a front traction speed regulator (20), a front constant temperature box (21), a middle traction roller (22), a middle traction auxiliary roller (23), a middle traction speed regulator (24), a rear constant temperature box (25), a rear traction roller (26), a rear traction auxiliary roller (27), a rear traction speed regulator (28), The device comprises a wire winding disc a (29), a wire winding disc B (30), a wire winding disc C (31), a wire winding disc D (32), a wire winding disc e (33), a wire winding disc a speed regulator (34), a wire winding disc B speed regulator (35), a wire winding disc C speed regulator (36), a wire winding disc D speed regulator (37), a wire winding disc e speed regulator (38), a fluorocarbon monofilament (39), a temperature sensor A (40), a temperature sensor B (41), a temperature sensor C (42), a temperature sensor D (43), a fuse (44), a coarse fluorine carbon filament (45), a fine fluorine carbon filament (46), a fine fluorine carbon filament (47) and cooling liquid (48); the production method comprises the following steps: PVDF particles (2) are heated by a section A heater (7), a section B heater (8), a section C heater (9) and a section D heater (10) through a hopper (3) and a spiral extruder (6), are controlled in temperature by a section A temperature controller (11), a section B temperature controller (12), a section C temperature controller (13) and a section D temperature controller (14), and are ejected out of a fuse (44) from a spinneret plate (15); the fuse wire (44) is cooled and crystallized into a coarse-grade fluorocarbon filament (45) through a cooling liquid (48) of the liquid cooling box (16); the coarse-grade fluorocarbon filaments (45) are pulled by a preposed traction roller (18) and a preposed traction auxiliary roller (19) through a diverting pulley (17) and dried by a preposed constant temperature box (21); the soft-dried coarse-grade fluorocarbon filaments (45) are stretched into fine-grade fluorocarbon filaments (46) by a middle traction roller (22) and a middle traction auxiliary roller (23); the fine-grade fluorocarbon filaments (46) are secondarily baked and softened in a rear constant temperature box (25); the secondary-dried soft fine-grade fluorocarbon filaments (46) are stretched into fine-grade fluorocarbon filaments (47) by a rear traction roller (26) and a rear traction auxiliary roller (27); the fine fluorocarbon filament (47) is divided into a plurality of fluorocarbon monofilaments (39), and the fluorocarbon monofilaments are respectively coiled into filament disks by a filament disk a (29), a filament disk b (30), a filament disk c (31), a filament disk d (32) and a filament disk e (33), namely the fluorocarbon monofilaments.

The seat frame (1) is composed of a transverse pedal (101) and a vertical installation plate (102), the transverse pedal (101) and the vertical installation plate (102) are poured by cement concrete to form an L-shaped structure which is mutually vertical and integrated, the left end of the transverse pedal (101) is aligned with the right end of the vertical installation plate (102), and the left end of the transverse pedal (101) exceeds the vertical installation plate (102) and is used for installing a melt extrusion system (200) and a liquid cooling system (300); reinforcing steel bars are arranged in the concrete of the transverse pedal (101); reinforcing steel bars are arranged in the four side bodies, and bamboo bar ribs are arranged in the other side bodies; a preposed traction rolling device hole (103) and a preposed traction auxiliary rolling device hole (104) are formed in the left part of the vertical installation plate (102); a middle traction rolling device hole (105) and a middle traction auxiliary rolling device hole (106) are formed in the middle of the vertical mounting plate (102); and a rear traction rolling device hole (107), a rear traction auxiliary rolling device hole (108) and a wire winding equipment device hole (109) are formed in the right part of the vertical installation plate (102).

In fig. 7 and 8, the liquid cooling box (16) comprises a box body (160) and a wire guide rod (161); the method is characterized in that: a right mounting lug (167) is arranged on the right side of the box body (160), and a left mounting lug (168) is arranged on the left side of the box body (160); a thread guide rod (161) is arranged at the right middle part in the box body (160); the method is characterized in that: the right mounting lug (167) and the left mounting lug (168) can install the suspension side of the liquid cooling box (16) on a vertical mounting plate (102) of the seat frame (1), and are positioned on the same fixed traction line with a steering pulley (17), a front traction roller (18), a front traction auxiliary roller (19), a middle traction roller (22), a middle traction auxiliary roller (23), a rear traction roller (26), a rear traction auxiliary roller (27), a wire winding disc a (29), a wire winding disc b (30), a wire winding disc c (31), a wire winding disc d (32) and a wire winding disc e (33), so that the stability of traction hot drawing of the fluorocarbon monofilaments is facilitated, and the production quality of the fluorocarbon monofilaments is ensured.

The cooling liquid (48) comprises glycerin, silicone oil and water.

The cooling liquid (48) is: 60-100% of glycerol, 0-20% of silicone oil and 0-20% of water.

The cooling liquid is as follows: 100% of glycerin, and the effect is as follows: the softness is best and the tensile strength is moderate.

The cooling liquid is as follows: 80-90% of glycerin and 10-20% of water, and the effects are as follows: moderate softness and high tensile strength.

The cooling liquid is as follows: 90-95% of glycerin and 5-10% of water, and the effects are as follows: high softness and moderate tensile strength.

The cooling liquid is as follows: 60-80% of glycerin, 10-20% of silicone oil and 10-20% of water, and the effects are as follows: the softness is low, the transparency is high, and the tensile strength is high.

In fig. 9, 10, and 11, the front thermostat (21) includes a thermostat main board (210), a temperature sensor 1(211), a temperature sensor 2(212), a temperature sensor 3(213), a temperature sensor 4(214), a case cover upper seat (215), a case cover lower seat (216), a heat conduction plate (217), a mounting hole (218), a cover (219), a transparent window (139), a wire through hole (391), a temperature controller 1(221), a temperature controller 2(222), a temperature controller 3(223), a temperature controller 4(224), an electric heater 1(231), an electric heater 2(232), an electric heater 3(233), an electric heater 4(234), an electric heater 5(235), an electric heater 6(236), an electric heater 7(237), and an electric heater 8 (238); the method is characterized in that: a transparent window (139) is arranged on the front surface of the housing (219), and thread through holes (391) are arranged on the left side and the right side; the heat conducting plate (217) is composed of electric heaters 1(231), 2(232), 3(233), 4(234), 5(235), 6(236), 7(237) and 8(238) for uniformly heating, and is provided with a temperature sensor 1(211) and a temperature controller 1(221) for sensing and controlling the heating temperature of the electric heaters 1(231) and 2 (232); a temperature sensor 2(212), a temperature controller 2(222) are arranged to sense and control the heating temperature of the electric heaters 3(233) and 4 (234); the temperature sensors 3(213), the temperature controllers 3(223) are arranged to sense and control the heating temperatures of the electric heaters 5(235), 6 (236); a temperature sensor 4(214), a temperature controller 4(224) are arranged to sense and control the electric heater 7(237) and the electric heater 8 (238); the method is characterized in that the temperature can be controlled uniformly, so that the wire diameter of the drawn wire is uniform, stable and smooth.

The structural performance of the front thermostat (21) is the same as that of the rear thermostat (25).

In order to solve the problems of uneven monofilament surface, elliptical linear shape, uneven wire diameter and air bubbles in the monofilament, the passing time and passing stroke of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) are controlled as follows: 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 2-4.5 seconds, and the passing stroke is 200-300 mm; 2. when the diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 4.5-6 seconds, and the passing stroke is 200-300 mm; 3. when the diameter of the fluorocarbon monofilament (39) is 0.8-2mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 6-12 seconds, and the passing stroke is 200-300 mm; 4. when the diameter of the fluorocarbon monofilament (39) is 2-4mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 12-18 seconds, and the passing stroke is 200-300 mm; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 18-30 seconds, and the passing stroke is 200-300 mm.

Furthermore, in order to solve the defects of uneven surface of the monofilaments, elliptical linear shape, uneven wire diameter and air bubbles in the monofilaments, the traction speed of the preposed traction roller (18) is set as follows by adjusting a preposed traction speed regulator (20): 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, pulling for 2-4.5 seconds for 200-300 mm; 2. when the filament diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, drawing for 4.5-6 seconds for 200-300 mm; 3. when the filament diameter of the fluorocarbon monofilament (39) is 0.8-2mm, drawing for 6-12 seconds for 200-300 mm; 4. when the filament diameter of the fluorocarbon monofilament (39) is 2-4mm, drawing for 12-18 seconds for 200-300 mm; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, the traction time is 200-300mm within 18-30 seconds.

Further, in order to solve the defect problems of uneven surface of the monofilaments, elliptical linear shape, uneven wire diameter and bubbles in the monofilaments, the temperature at the temperature sensor A (40) is controlled to be 85-100 ℃, the temperature at the temperature sensor B (41) is controlled to be 155-160 ℃, the temperature at the temperature sensor C (42) is controlled to be 168-172 and the temperature at the temperature sensor D (43) is controlled to be 170-175 by adjusting the A-section temperature controller (11), the B-section temperature controller (12), the C-section temperature controller (13) and the D-section temperature controller (14).

Furthermore, in order to solve the defects of uneven surface of the monofilament, elliptical linear shape, uneven wire diameter and air bubbles in the monofilament, the central traction speed regulator (24) is adjusted, and the traction speed of the central traction roller (22) is set as follows: 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, pulling for 2-4.5 seconds for 850-; 2. when the filament diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, drawing 850-1480mm in 4.5-6 seconds; 3. when the filament diameter of the fluorocarbon monofilament (39) is 0.8-2mm, drawing 850-1480mm in 6-12 seconds; 4. when the diameter of the fluorocarbon monofilament (39) is 2-4mm, drawing 850-1480mm in 12-18 seconds; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, the drawing time is 850-1480mm in 18-30 seconds.

Furthermore, in order to solve the defects of uneven surface of the monofilament, elliptical linear shape, uneven wire diameter and air bubbles in the monofilament, the rear traction speed regulator (28) is adjusted, and the traction speed of the rear traction roller (26) is set as follows: 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, drawing 1550 and 1850mm in 2-4.5 seconds; 2. when the diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, 1550 mm and 1850mm are drawn for 4.5-6 seconds; 3. when the filament diameter of the fluorocarbon monofilament (39) is 0.8-2mm, 1550-1850mm are drawn for 6-12 seconds; 4. when the diameter of the fluorocarbon monofilament (39) is 2-4mm, 1550-; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, 1550-.

Furthermore, in order to solve the defects of uneven surface of the monofilament, elliptic linear shape, uneven thickness of the monofilament and bubble in the monofilament, the temperature controller 1(221), the temperature controller 2(222), the temperature controller 3(223) and the temperature controller 4(224) of the preposed constant temperature box (21) are arranged, and the electric heaters 1(231), 2(232), 3(233), 4(234), 5(235), 6(236), 7(237) and 8(238) are controlled to make the temperature of the preposed constant temperature box (21) at 125-.

Furthermore, in order to solve the defects of uneven surface of the monofilament, elliptic linear shape, uneven thickness of the monofilament and bubble in the monofilament, a temperature controller 1(221), a temperature controller 2(222), a temperature controller 3(223) and a temperature controller 4(224) of a rear thermostat (25) are arranged, and an electric heater 1(231), an electric heater 2(232), an electric heater 3(233), an electric heater 4(234), an electric heater 5(235), an electric heater 6(236), an electric heater 7(237) and an electric heater 8(238) are controlled to make the temperature of the front thermostat (21) at 115 degrees and 118 degrees.

Through the further setting and control, the defects of uneven surface of the monofilament, elliptical linear shape, uneven thickness of the linear diameter and air bubbles in the monofilament can be effectively solved, and the purpose of realizing high-quality mass production can be achieved.

Claims

1.A fluorocarbon monofilament production method comprises a seat frame (1), PVDF particles (2), a funnel (3), a speed reducer (4), a speed reducer speed regulator (5), a spiral extruder (6), an A-section heater (7), a B-section heater (8), a C-section heater (9), a D-section heater (10), an A-section temperature controller (11), a B-section temperature controller (12), a C-section temperature controller (13), a D-section temperature controller (14), a spinneret plate (15), a liquid cooling box (16), a steering pulley (17), a front traction roller (18), a front traction auxiliary roller (19), a front traction speed regulator (20), a front constant temperature box (21), a middle traction roller (22), a middle traction auxiliary roller (23), a middle traction roller (24), a rear constant temperature box (25), a rear traction roller (26), a rear traction auxiliary roller (27), a rear traction speed regulator (28), The device comprises a wire winding disc a (29), a wire winding disc B (30), a wire winding disc C (31), a wire winding disc D (32), a wire winding disc e (33), a wire winding disc a speed regulator (34), a wire winding disc B speed regulator (35), a wire winding disc C speed regulator (36), a wire winding disc D speed regulator (37), a wire winding disc e speed regulator (38), a fluorocarbon monofilament (39), a temperature sensor A (40), a temperature sensor B (41), a temperature sensor C (42), a temperature sensor D (43), a fuse (44), a coarse fluorine carbon filament (45), a fine fluorine carbon filament (46), a fine fluorine carbon filament (47) and cooling liquid (48); the production method comprises the following steps: PVDF particles (2) are heated by a section A heater (7), a section B heater (8), a section C heater (9) and a section D heater (10) through a hopper (3) and a spiral extruder (6), are controlled in temperature by a section A temperature controller (11), a section B temperature controller (12), a section C temperature controller (13) and a section D temperature controller (14), and are ejected out of a fuse (44) from a spinneret plate (15); the fuse wire (44) is cooled and crystallized into a coarse-grade fluorocarbon filament (45) through a cooling liquid (48) of the liquid cooling box (16); the coarse-grade fluorocarbon filaments (45) are pulled by a preposed traction roller (18) and a preposed traction auxiliary roller (19) through a diverting pulley (17) and dried by a preposed constant temperature box (21); the soft-dried coarse-grade fluorocarbon filaments (45) are stretched into fine-grade fluorocarbon filaments (46) by a middle traction roller (22) and a middle traction auxiliary roller (23); the fine-grade fluorocarbon filaments (46) are secondarily baked and softened in a rear constant temperature box (25); the secondary-dried soft fine-grade fluorocarbon filaments (46) are stretched into fine-grade fluorocarbon filaments (47) by a rear traction roller (26) and a rear traction auxiliary roller (27); the fine-grade fluorocarbon filament (47) is divided into a plurality of fluorocarbon monofilaments (39), and the fluorocarbon monofilaments are respectively coiled into filament disks by a filament disk a (29), a filament disk b (30), a filament disk c (31), a filament disk d (32) and a filament disk e (33), namely fluorocarbon monofilaments; the passing time and the passing stroke of the fuse wire (44) from the spinneret plate (15) to the cooling liquid (48) are controlled as follows: 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 2-4.5 seconds, and the passing stroke is 200-300 mm; 2. when the diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 4.5-6 seconds, and the passing stroke is 200-300 mm; 3. when the diameter of the fluorocarbon monofilament (39) is 0.8-2mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 6-12 seconds, and the passing stroke is 200-300 mm; 4. when the diameter of the fluorocarbon monofilament (39) is 2-4mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 12-18 seconds, and the passing stroke is 200-300 mm; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, the passing time of the fuse (44) from the spinneret plate (15) to the cooling liquid (48) is 18-30 seconds, and the passing stroke is 200-300 mm; the cooling liquid (48) includes: glycerin, silicone oil and water.

2. A fluorocarbon monofilament production method as claimed in claim 1, characterized in that: the liquid cooling box (16) comprises a box body (160) and a thread guide rod (161); a right mounting lug (167) is arranged on the right side of the box body (160), and a left mounting lug (168) is arranged on the left side of the box body (160); a thread guide rod (161) is arranged at the right middle part in the box body (160); the method is characterized in that: the right mounting lug (167) and the left mounting lug (168) can install the suspension side of the liquid cooling box (16) on a vertical mounting plate (102) of the seat frame (1), and are positioned on the same fixed traction line with a steering pulley (17), a front traction roller (18), a front traction auxiliary roller (19), a middle traction roller (22), a middle traction auxiliary roller (23), a rear traction roller (26), a rear traction auxiliary roller (27), a wire winding disc a (29), a wire winding disc b (30), a wire winding disc c (31), a wire winding disc d (32) and a wire winding disc e (33), so that the stability of traction hot drawing of the fluorocarbon monofilaments is facilitated, and the production quality of the fluorocarbon monofilaments is ensured.

3. A fluorocarbon monofilament production method as claimed in claim 1, characterized in that: -setting the traction speed of the front traction roller (18) to: 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, pulling for 2-4.5 seconds for 200-300 mm; 2. when the filament diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, drawing for 4.5-6 seconds for 200-300 mm; 3. when the filament diameter of the fluorocarbon monofilament (39) is 0.8-2mm, drawing for 6-12 seconds for 200-300 mm; 4. when the filament diameter of the fluorocarbon monofilament (39) is 2-4mm, drawing for 12-18 seconds for 200-300 mm; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, the traction time is 200-300mm within 18-30 seconds.

4. A fluorocarbon monofilament production method as claimed in claim 1, characterized in that: the temperature of the temperature sensor A (40) is controlled to be 85-100 ℃, the temperature of the temperature sensor B (41) is controlled to be 155-172, the temperature of the temperature sensor C (42) is controlled to be 168-172, and the temperature of the temperature sensor D (43) is controlled to be 170-175 by adjusting the section A temperature controller (11), the section B temperature controller (12), the section C temperature controller (13) and the section D temperature controller (14).

5. A fluorocarbon monofilament production method as claimed in claim 1, characterized in that: adjusting a middle traction speed regulator (24), and setting the traction speed of a middle traction roller (22) as follows: 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, pulling for 2-4.5 seconds for 850-; 2. when the filament diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, drawing 850-1480mm in 4.5-6 seconds; 3. when the filament diameter of the fluorocarbon monofilament (39) is 0.8-2mm, drawing 850-1480mm in 6-12 seconds; 4. when the diameter of the fluorocarbon monofilament (39) is 2-4mm, drawing 850-1480mm in 12-18 seconds; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, the drawing time is 850-1480mm in 18-30 seconds.

6. A fluorocarbon monofilament production method as claimed in claim 1, characterized in that: adjusting a rear traction speed regulator (28), and setting the traction speed of a rear traction roller (26) as follows: 1. when the diameter of the fluorocarbon monofilament (39) is 0.1-0.4mm, drawing 1550 and 1850mm in 2-4.5 seconds; 2. when the diameter of the fluorocarbon monofilament (39) is 0.4-0.8mm, 1550 mm and 1850mm are drawn for 4.5-6 seconds; 3. when the filament diameter of the fluorocarbon monofilament (39) is 0.8-2mm, 1550-1850mm are drawn for 6-12 seconds; 4. when the diameter of the fluorocarbon monofilament (39) is 2-4mm, 1550-; 5. when the diameter of the fluorocarbon monofilament (39) is 4-6mm, 1550-.

7.A fluorocarbon monofilament production method as claimed in claim 1, characterized in that: the temperature controller 1(221), the temperature controller 2(222), the temperature controller 3(223), and the temperature controller 4(224) of the pre-oven 21 are provided to control the electric heaters 1(231), 2(232), 3(233), 4(234), 5(235), 6(236), 7(237), and 8(238) so that the temperature of the pre-oven 21 is 125 and 128 degrees.

8. A fluorocarbon monofilament production method as claimed in claim 1, characterized in that: the temperature controller 1(221), the temperature controller 2(222), the temperature controller 3(223), and the temperature controller 4(224) of the rear thermostat (25) are provided to control the electric heaters 1(231), 2(232), 3(233), 4(234), 5(235), 6(236), 7(237), and 8(238) so that the temperature of the front thermostat (21) is at 115 degrees and 118 degrees.

9. A fluorocarbon monofilament production method as claimed in claim 1, characterized in that: the cooling liquid (48) is: 60-100% of glycerol, 0-20% of silicone oil and 0-20% of water.

10. A fluorocarbon monofilament production process according to claim 1 or 9, characterized in that: the cooling liquid is as follows: 100% of glycerin, and the effect is as follows: the softness is best and the tensile strength is moderate.

11.A fluorocarbon monofilament production process according to claim 1 or 9, characterized in that: the cooling liquid is as follows: 80-90% of glycerin and 10-20% of water, and the effects are as follows: moderate softness and high tensile strength.

12. A fluorocarbon monofilament production process according to claim 1 or 9, characterized in that: the cooling liquid is as follows: 90-95% of glycerin and 5-10% of water, and the effects are as follows: high softness and moderate tensile strength.

13. A fluorocarbon monofilament production process according to claim 1 or 9, characterized in that: the cooling liquid is as follows: 60-80% of glycerin, 10-20% of silicone oil and 10-20% of water, and the effects are as follows: the softness is low, the transparency is high, and the tensile strength is high.