PAN-based carbon fiber dry-jet wet-spinning spinning oiling auxiliary device

Abstract

The utility model discloses a PAN (polyacrylonitrile)-based carbon fiber dry-jet wet-spinning spinning oiling auxiliary device, which relates to the field of fiber materials and comprises a base, an oiling agent tank arranged at the top of the base and a conveying component arranged on the base. The slit blowing assembly comprises a lower plate movably mounted in the oiling agent tank, a plurality of wire channels are formed in the top of the lower plate at equal intervals, an upper plate is fixedly connected to the top of the lower plate, a ventilation pipe is fixedly mounted in the upper plate, a slit groove is formed in the bottom of the upper plate, an air pump is fixedly mounted at the top of the upper plate, and a plurality of air outlets are formed in the air pump. The air pump is fixedly connected with the ventilation pipe, and a ventilation opening is formed in the bottom of the ventilation pipe. According to the oiling device, the air pump is started, so that air with certain air pressure flows out from the air vents and the slit grooves, fiber tows in a yarn channel can be conveniently purged, exchange of fibers in the oiling agent groove is increased, the tows can be conveniently opened, and oiling is more uniform.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of PAN base carbon fiber dry spray wet spinning spinning oiling auxiliary device in the technical field of fiber materials. BACKGROUND

[0002] PAN base carbon fiber is a kind of high-performance fiber material, with high strength, high modulus, low density and other excellent performance, widely used in aerospace, automobile, sporting goods and other fields.Dry spray wet spinning is an advanced carbon fiber spinning process, and the oiling auxiliary device can ensure the quality and performance of the fiber, and by accurately controlling the oiling process, the surface quality of carbon fiber can be improved, defects can be reduced, and the bonding force with the matrix material can be enhanced, thereby improving the performance of carbon fiber composite materials.

[0003] In the prior art, carbon fiber dry spray wet spinning has higher performance and production capacity than wet spinning, and the spinning production speed can reach 300-400 m / min. However, the fiber surface groove of dry spray wet spinning is shallow and the speed is fast, which increases the difficulty of fiber oiling, and there are problems of uneven oiling and low oiling rate. Uneven oiling and low oiling rate have certain influence on subsequent drying and carbonization, and reduce the overall performance of carbon fiber. SUMMARY

[0004] The utility model aims at providing a kind of PAN base carbon fiber dry spray wet spinning spinning oiling auxiliary device to solve the problems raised in the above background.

[0005] To solve the above technical problems, the utility model provides a kind of PAN base carbon fiber dry spray wet spinning spinning oiling auxiliary device, which comprises a base, an oil tank opened at the top of the base and a conveying assembly arranged on the base. A slit blowing assembly is movably arranged in the oil tank. The slit blowing assembly comprises a lower plate movably mounted in the oil tank. A plurality of silk channels are equally spaced on the top of the lower plate. An upper plate is fixedly connected to the top of the lower plate. An air pipe is fixedly installed in the interior of the upper plate. A slit groove is opened at the bottom of the upper plate. A gas pump is fixedly installed on the top of the upper plate. The gas pump is fixedly connected to the air pipe. An air inlet is opened at the bottom of the air pipe.

[0006] Further, a rotating shaft is rotatably installed in the interior of the oil tank. A cleaning roller is sleeved on the rotating shaft. The number of rotating shafts is multiple. The multiple rotating shafts are equally spaced and staggered on one side of the top of the upper plate.

[0007] Further, an electric push rod is fixedly installed on the inner wall bottom of the oil tank. The driving end of the electric push rod is fixedly connected to the lower plate. The number of electric push rods is two. The two electric push rods are symmetrically arranged on both sides of the bottom of the lower plate with the vertical axis of the lower plate as the center.

[0008] Further, the conveying assembly comprises a material guiding roller, a mounting plate is fixedly installed on the top of the base, and the material guiding roller is rotatably installed on one side of the mounting plate.

[0009] Further, the air pipe is perpendicular to the wire channel, a plurality of air vents are arranged, and the plurality of air vents are equidistantly arranged above the wire channel and match the number of the wire channel.

[0010] Further, the top of the oil agent groove is movably installed with a cover plate, the top of the cover plate is provided with a material guiding opening, the number of the material guiding openings is two, and the two material guiding openings are symmetrically arranged on two sides of the cover plate and are parallel to the material guiding roller.

[0011] Further, the top of the slit groove is provided with a mounting groove, the air pipe is inserted on one side of the upper plate through the mounting groove, and the mounting groove is communicated with the slit groove.

[0012] Further, one side of the air pump is fixedly connected with, and the air pipe is fixedly connected with the air pump.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: by starting the air pump, the gas with a certain air pressure flows out from the air vent and the slit groove, the fiber tows in the wire channel are conveniently blown, the exchange of the fibers in the oil agent groove is increased, the tows are conveniently opened, and the oiling is more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the slit air blowing assembly of the utility model;

[0016] Figure 3 It is a three-dimensional structure schematic view of the bottom of the upper plate of the utility model;

[0017] Figure 4 It is a three-dimensional structure schematic view of the air pipe of the utility model;

[0018] Figure 5 It is a three-dimensional structure schematic view of the cleaning roller of the utility model;

[0019] Figure 6 It is a three-dimensional structure schematic view of the whole of the utility model.

[0020] In the drawing: 1, base; 2, oil agent groove; 3, material guiding roller; 4, upper plate; 5, lower plate; 6, electric push rod; 7, air pump; 8, air pipe; 9, wire channel; 10, slit groove; 11, air vent; 12, rotating shaft; 13, cleaning roller; 14, cover plate; 15, material guiding opening; 16, connecting pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-6 The utility model provides a technical scheme: including base 1, the oil agent groove 2 of setting in the top of base 1 and the transmission subassembly of setting on base 1, the slit blowing assembly is movably arranged in the oil agent groove 2, slit blowing assembly includes the lower plate 5 of being movably installed in the inside of oil agent groove 2, the top of lower plate 5 is equidistant and is provided with a plurality of silk way 9, the top of lower plate 5 is fixedly connected with upper plate 4, the inside of upper plate 4 is fixedly installed with vent pipe 8, the bottom of upper plate 4 is provided with slit groove 10, the top of upper plate 4 is fixedly installed with air pump 7, air pump 7 is fixedly connected with vent pipe 8, the bottom of vent pipe 8 is provided with vent 11.

[0023] Need to explain, air pump 7 should make air pressure give in 0.02MPa.

[0024] Specific implementation, the oil agent groove 2 stores certain oil agent, the height of oil agent is lower than the height of rotating shaft 12, the silk bundle of being handled is conveyed to the inside of oil agent groove 2 from the top of left guide roller 3 through guide port 15, each silk bundle is placed on silk way 9 and passes through silk way 9, starts electric push rod 6 and makes lower plate 5 descend to certain height, until silk bundle can be infiltrated by oil agent in silk way 9, makes electric push rod 6 pause, then starts air pump 7, air pump 7 can suck in the air outside and compress, thereby generating gas with certain pressure, gas is transported through connecting pipe 16 and vent pipe 8, the vent of being provided on vent pipe 8 makes gas be able to spray more evenly and fiber opening and oil agent solution contact more fully, gas flows out from vent 11 and is swept to the silk bundle below through slit groove 10 and oil, under the sweeping of air pressure, silk bundle opens, and oiling is more uniform.

[0025] Please refer to Figure 1 And Figure 5 The inside of oil agent groove 2 is rotatably installed with rotating shaft 12, the cleaning roller 13 is sleeved on the rotating shaft 12, the number of rotating shaft 12 is provided with multiple, multiple rotating shaft 12 is equidistant and is staggered arranged on the top of one side of upper plate 4.

[0026] By setting the cleaning roller 13, when the fiber silk bundle flows between the two groups of cleaning rollers 13, the excess oil on the silk bundle can be wiped by the staggered cleaning rollers 13, which can further improve the uniformity of oiling and ensure that the amount of oil on the silk bundle is moderate.

[0027] Referring to Figure 2 The inner wall bottom of the oil agent tank 2 is fixedly provided with electric push rods 6, the driving end of the electric push rod 6 is fixedly connected with the lower plate 5, and the number of the electric push rods 6 is two, and the two electric push rods 6 are symmetrically arranged on the two sides of the bottom of the lower plate 5 with the vertical axis of the lower plate 5 as the center.

[0028] By arranging the electric push rod 6, the bottom of the slit blowing assembly can be immersed in the oil agent in the oil agent tank 2, the height is adjusted according to the amount of the oil agent, and the oiling of the fiber tows is more sufficient.

[0029] Referring to Figure 1 The conveying assembly comprises a material guiding roller 3, and the top of the base 1 is fixedly provided with a mounting plate, and the material guiding roller 3 is rotatably arranged on one side of the mounting plate.

[0030] It should be noted that the number of the material guiding rollers 3 is two, and the two material guiding rollers 3 are arranged on the left side and the right side of the base 1 respectively and are arranged in parallel.

[0031] By arranging the material guiding roller 3, the conveying direction of the fiber tows can be guided by the material guiding roller 3, so that the fiber tows can flow to the slit blowing assembly for better oiling.

[0032] Referring to Figure 4 The air pipe 8 is perpendicular to the silk channel 9, and a plurality of air vents 11 are arranged on the upper side of the silk channel 9 and are matched with the number of the silk channels 9.

[0033] By arranging the air vent 11, the air pipe 8 is perpendicular to the silk channel 9, so that the gas sprayed from the air vent 11 can directly act on the upper side of the silk channel 9, and the plurality of equidistant air vents 11 ensure that the gas can be uniformly blown to each silk channel 9, so as to facilitate the gas to blow and replace the oil liquid.

[0034] Referring to Figure 6 The top of the oil agent tank 2 is movably provided with a cover plate 14, the top of the cover plate 14 is provided with a material guiding opening 15, the number of the material guiding openings 15 is two, and the two material guiding openings 15 are symmetrically arranged on the two sides of the cover plate 14 and are parallel to the material guiding roller 3.

[0035] By arranging the cover plate 14, the cover plate 14 can protect the oil agent stored in the oil agent tank 2 to a certain extent, prevent dust from falling into the oil agent, and affect the oiling effect of the fiber tows.

[0036] Referring to Figure 3 The top of the slit groove 10 is provided with a mounting groove, the air pipe 8 is inserted on one side of the upper plate 4 through the mounting groove, and the mounting groove is communicated with the slit groove 10.

[0037] By setting the installation groove, and the installation groove and the slit groove 10 are communicated, the air pressure is ventilated through the air vent 11 on the air pipe 8, the gas flows out from the air vent 11 and passes through the slit groove 10, and finally blows to the fiber tows in the silk way 9.

[0038] Referring to Figure 2 One side of the air pump 7 is fixedly connected with the connecting pipe 16, and the air pipe 8 is fixedly connected with the air pump 7 through the connecting pipe 16.

[0039] By setting the connecting pipe 16, the air pipe 8 arranged in the upper plate 4 is connected with the air pump 7, and the air pressure is conveyed.

[0040] Working principle: when the device is used, a certain amount of oil is stored in the oil tank 2, and the height of the oil is lower than the height of the rotating shaft 12. The fiber tows to be treated are conveyed from the top of the left guide roller 3 through the guide port 15 to the inside of the oil tank 2, and each tow is placed on the silk way 9 and passes through the silk way 9. The lower plate 5 is lowered to a certain height by starting the electric push rod 6, until the tows can be immersed in the oil in the silk way 9, the electric push rod 6 is paused, then the air pump 7 is started, the air pressure is 0.02MPa, the air pump 7 can suck the air outside and compress it to generate gas with a certain pressure. The gas is conveyed through the connecting pipe 16 and the air pipe 8, the air vent 11 on the air pipe 8 makes the gas more uniformly sprayed and the fiber opening and the oil solution contact more fully, the gas flows out from the air vent 11 and passes through the slit groove 10 to the tows below to blow the oil to the tows, under the blowing of the air pressure, the tows are opened and the oiling is more uniform; when the fiber tows flow between the two groups of cleaning rollers 13, the excess oil on the tows can be wiped off by the staggered cleaning rollers 13, which can further improve the uniformity of the oiling and ensure that the amount of oil on the tows is moderate.

Claims

1. A PAN-based carbon fiber dry-jet wet spinning oiling auxiliary device, comprising a base (1), an oil groove (2) opened at the top of the base (1), and a conveying assembly arranged on the base (1), characterized in that: The oil tank (2) is movably provided with a slit blowing assembly, the slit blowing assembly comprises a lower plate (5) movably installed in the oil tank (2), a plurality of silk channels (9) are evenly arranged on the top of the lower plate (5), the top of the lower plate (5) is fixedly connected with an upper plate (4), the inner part of the upper plate (4) is fixedly installed with a breather pipe (8), the bottom of the upper plate (4) is provided with a slit groove (10), the top of the upper plate (4) is fixedly installed with an air pump (7), the air pump (7) is fixedly connected with the breather pipe (8), and the bottom of the breather pipe (8) is provided with a breather (11).

2. A PAN-based carbon fiber dry-jet wet spinning spinning oiling auxiliary device according to claim 1, characterized in that: The oil tank (2) is movably provided with a slit blowing assembly, the slit blowing assembly comprises a lower plate (5) movably installed in the oil tank (2), a plurality of silk channels (9) are evenly arranged on the top of the lower plate (5), the top of the lower plate (5) is fixedly connected with an upper plate (4), the inner part of the upper plate (4) is fixedly installed with a breather pipe (8), the bottom of the upper plate (4) is provided with a slit groove (10), the top of the upper plate (4) is fixedly installed with an air pump (7), the air pump (7) is fixedly connected with the breather pipe (8), and the bottom of the breather pipe (8) is provided with a breather (11).

3. A PAN-based carbon fiber dry-jet wet spinning spinning oiling auxiliary device according to claim 2, characterized in that: The oil tank (2) is movably provided with a slit blowing assembly, the slit blowing assembly comprises a lower plate (5) movably installed in the oil tank (2), a plurality of silk channels (9) are evenly arranged on the top of the lower plate (5), the top of the lower plate (5) is fixedly connected with an upper plate (4), the inner part of the upper plate (4) is fixedly installed with a breather pipe (8), the bottom of the upper plate (4) is provided with a slit groove (10), the top of the upper plate (4) is fixedly installed with an air pump (7), the air pump (7) is fixedly connected with the breather pipe (8), and the bottom of the breather pipe (8) is provided with a breather (11).

4. A PAN-based carbon fiber dry-jet wet spinning spinning oiling auxiliary device according to claim 3, characterized in that: The conveying assembly comprises a material guide roller (3), and the top of the base (1) is fixedly installed with a mounting plate.

5. A PAN-based carbon fiber dry-jet wet spinning spinning oiling auxiliary device according to claim 4, characterized in that: The breather pipe (8) is perpendicular to the silk channel (9), and a plurality of breather openings (11) are evenly arranged above the silk channel (9) and matched with the number of the silk channel (9).

6. A PAN-based carbon fiber dry-jet wet spinning spinning oiling auxiliary device according to claim 5, characterized in that: The top of the oil tank (2) is movably provided with a cover plate (14), the top of the cover plate (14) is provided with a material guide opening (15), and the number of the material guide openings (15) is two.

7. A PAN-based carbon fiber dry-jet wet spinning spinning oiling auxiliary device according to claim 6, characterized in that: The top of the slit groove (10) is provided with a mounting groove, the breather pipe (8) is inserted on one side of the upper plate (4) through the mounting groove, and the mounting groove is communicated with the slit groove (10).

8. A PAN-based carbon fiber dry-jet wet spinning spinning oiling auxiliary device according to claim 7, characterized in that: One side of the air pump (7) is fixedly connected with a connecting pipe (16), and the breather pipe (8) is fixedly connected with the air pump (7) through the connecting pipe (16).

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