A drawing oiling equipment for high-tenacity glass fiber surface treatment

Abstract

The present invention discloses a wire drawing oiling equipment for surface treatment of high-tenacity glass fiber, comprising an oiling main box, one end of which is embedded with a wire outlet pipe, a return oil tank is arranged below the wire outlet pipe, a re-coating pipe connected to the wire outlet pipe is arranged on the top of the other end of the return oil tank, and a primary coating pipe connected to the re-coating pipe is embedded at the other end of the oiling main box; the present invention realizes multiple oiling and forms a multi-layer oil film by constructing an oiling splicing channel composed of primary coating, re-coating and wire outlet pipes, thereby improving the adhesion between oil and glass fiber, and at the same time accurately controls the oil in the oil tank, discharges impurities and ensures the cleanliness of the oil source; the combined rollers, inclined channels and multiple groups of guide rollers cooperate to evenly distribute the oil with the help of natural reflux and oil waterfalls, and finely controls the oiling process to ensure product consistency and improve production efficiency and finished product qualification rate.

Description

Technical Field

[0001] The invention relates to the technical field of glass fiber processing, in particular to a wire drawing oiling device for surface treatment of high-tenacity glass fibers. Background Art

[0002] Glass fiber has excellent properties such as high strength, high modulus, high temperature resistance, and corrosion resistance. It is increasingly used in many fields such as aerospace, automotive industry, construction, and electronics. High-tenacity glass fiber is the best among them and plays a key role in improving the comprehensive performance of materials.

[0003] The surface of glass fiber is a smooth inorganic material, and its interfacial bonding force with the matrix material (such as resin, etc.) is weak. If surface treatment is not performed, fiber pull-out and interface debonding are likely to occur in the composite material, seriously affecting the mechanical properties of the material. Surface treatment can improve the wettability and adhesion between glass fiber and matrix. By applying a layer of appropriate oil on the surface of glass fiber, a good transition layer can be formed between the fiber and the matrix, so that stress can be transferred between the two more effectively, thereby improving the strength and toughness of the composite material.

[0004] In conjunction with the above content, it should be noted that: the Chinese patent application number CN2020206670046 discloses a glass fiber drawing oiling device, which is used to remove dust from the surface of the component that the glass fiber passes before drawing, to ensure the cleanliness of the glass fiber drawing, and to clean the excess oil by contacting and rubbing the surface of the glass fiber formed by drawing through a sponge;

[0005] However, in actual production, the glass fiber is drawn through the floor and the drawn fiber is collected and transported, and can be directly transported by roller traction through the oiling area or other processing area, all within a controllable machine. The glass fiber drawing process in the above patent content does not require much dust cleaning. On the contrary, continuous friction may cause damage to the surface of the glass fiber just after drawing, and continuous sponge contact friction causes the sponge to absorb enough oil, and the subsequent processing efficiency is gradually reduced. There is even a situation where some damaged glass fibers are embedded in the sponge, causing surface damage to the passing glass fibers.

[0006] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0007] The purpose of the present invention is to provide a drawing oiling device for surface treatment of high-tenacity glass fibers to solve the problems raised.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wire drawing oiling device for surface treatment of high-tenacity glass fiber, comprising an oiling main box, one end of which is embedded with a wire outlet pipe, a return oil tank is arranged below the wire outlet pipe, a re-coating pipe connected to the wire outlet pipe is arranged on the top of the other end of the return oil tank, and the other end of the oiling main box is embedded with a primary coating pipe connected to the re-coating pipe;

[0009] An oil storage tank located between the initial coating pipe and the re-coating pipe is embedded in the center of the oiling main box, and an air circulation pipeline connecting the initial coating pipe and the wire outlet pipe is embedded in the top of the oiling main box.

[0010] Furthermore, a discharge port is provided at the top of one end of the wire outlet pipe, a vertically downward jet plate is provided on the inner wall of the discharge port, and a plurality of spray holes facing the re-coating pipe are provided on the inner wall of the jet plate, a wire outlet roller is provided below the jet plate and is located in the middle of the discharge port of the wire outlet pipe, a guide plate extending to the top of the return oil tank is provided below the wire outlet roller, the top of the guide plate is designed as a semicircular arc structure, and is used to cover the bottom of the wire outlet roller.

[0011] Furthermore, an oil drop port connected to the wire outlet pipe is arranged at the top of the oil return tank, and a combined filter plate connected to the oil storage tank is arranged at the bottom of the oil return tank, and the combined filter plate is composed of multiple groups of detachable filter plates.

[0012] Furthermore, the re-coating tube is designed in a concave shape, and multiple groups of middle guide rollers are sleeved on the inner walls on both sides of the re-coating tube. An 80° inclined channel connected to the initial coating tube is arranged on the top of the other end of the re-coating tube, and the installation position of the middle guide roller close to one end of the initial coating tube is higher than the other group.

[0013] Furthermore, a secondary inclined channel connected to the re-coating tube is provided at the top of one end of the initial coating tube, and an upper guide roller is sleeved on the inner wall of the top of the secondary inclined channel. A feed port is provided at the top of the other end of the initial coating tube, and an oil storage tank is sleeved at the center of the bottom of the initial coating tube.

[0014] Furthermore, a combined roller is provided on the top of the oil storage tank, a filter rack connected to the oil storage tank is provided at the bottom of the oil storage tank, an electrically controlled valve connected to the filter rack is provided at the bottom of the oil storage tank, and the filter rack is composed of multiple groups of detachable filter plates.

[0015] Furthermore, an oil pump is embedded in the top of the oil storage tank, and oil filling port 1 and oil filling port 2 connected to the oil pump are respectively arranged on the outer walls at both ends of the top of the oil storage tank, an oil guide plate is arranged at the bottom of the oil filling port 2, a partition plate and an oil filter plate are arranged in sequence below the oil pump, and multiple groups of manifolds are arranged below the oil filter plate, and an oil suction pipe extending between the multiple groups of manifolds is arranged at the bottom of the oil pump.

[0016] Furthermore, the air circulation pipeline includes an air return passage arranged on the top of the oil coating main tank and connected to the initial coating pipe and the wire outlet pipe. A water vapor separator is provided at the bottom of one end of the air return passage. An air filter element is provided at the bottom of the water vapor separator. An upper spray rack and a lower spray rack extending to the inside of the wire outlet pipe are provided at the bottom of the air filter element. A pipe fitting extending to the outside of the oil coating main tank is provided at the bottom of the water vapor separator.

[0017] The beneficial effects of the present invention are:

[0018] 1. The present invention realizes multiple oiling treatments on glass fiber through the oiling splicing channel composed of the primary coating tube, the secondary coating tube and the wire outlet tube, including the initial immersion oiling and the secondary oiling, so that a multi-layer oil film is formed on the surface of the glass fiber, which effectively improves its adhesion with the glass fiber, ensures the product quality, and meets the strict requirements of the surface performance of high-tenacity glass fiber in high-end application fields. The oil volume in the oil tank is accurately controlled, and the oil containing impurities at the bottom is discharged in time by means of the electric control valve, and is recovered to the oil storage tank after being filtered by the filter rack, which not only ensures that the oiling operation has a stable and clean oil source, but also prevents the accumulation of impurities such as fiber burrs and residues in the oil, and avoids adverse effects on subsequent oiling and fiber quality.

[0019] 2. The present invention achieves uniform distribution of oil on the surface of glass fiber by means of natural reflux, oil waterfall, etc. through the coordinated operation of combined rollers, inclined channels and multiple groups of guide rollers, ensuring that each section of fiber can be fully oiled. Furthermore, by finely controlling the flow and dripping of oil during the oiling process, the product has a high degree of consistency during mass production, thereby improving production efficiency and the qualified rate of finished products.

[0020] 3. The present invention realizes the recycling of dust-free gas by cooperating with the fresh air system or air supply equipment of the factory through the air circulation pipeline, and removes the excess oil on the surface of the glass fiber by means of air flow, which not only avoids the waste of oil, but also makes the thickness of the oil film on the fiber surface uniform. At the same time, the jet plate increases the air pressure at the outlet port of the wire outlet pipe, assists the smooth discharge of the fiber, further improves the surface quality of the fiber, and reduces subsequent processing defects. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0023] Figure 2This is a schematic diagram of the structure inside the oiling main tank of the present invention;

[0024] Figure 3 It is a structural schematic diagram of the wire outlet pipe of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the recoated through pipe of the present invention;

[0026] Figure 5 This is a schematic structural diagram of the initially coated through pipe of the present invention;

[0027] Figure 6 It is a structural schematic diagram of the oil storage tank of the present invention;

[0028] Figure 7 It is a structural schematic diagram of the oil storage tank of the present invention;

[0029] Figure 8 It is a structural schematic diagram of the gas circulation pipeline of the present invention.

[0030] Attached Figures: 1. Oil coating main box; 2. Wire outlet pipe; 201. Jet plate; 202. Wire outlet roller; 203. Guide plate; 3. Oil return tank; 301. Combined filter plate; 4. Re-coating pipe; 401. Middle guide roller; 5. Oil storage tank; 501. Oil pump; 502. Oil filling port one; 503. Oil filling port two; 504. Oil guide plate; 505. Diverter rack; 6. Initial coating pipe; 601. Oil storage tank; 602. Combined roller; 603. Filter rack; 604. Upper guide roller; 7. Air circulation pipeline; 701. Return air exhaust; 702. Water vapor separator; 703. Air filter element; 704. Upper spray rack; 705. Lower spray rack. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example 1: Please refer to Figure 1 - Figure 8 As shown, this embodiment is a wire drawing oiling equipment for surface treatment of high-tenacity glass fiber, including an oiling main box 1, a wire outlet pipe 2 is embedded at one end of the oiling main box 1, a return oil box 3 is arranged below the wire outlet pipe 2, a re-coating pipe 4 connected to the wire outlet pipe 2 is arranged on the top of the other end of the return oil box 3, and an initial coating pipe 6 connected to the re-coating pipe 4 is embedded at the other end of the oiling main box 1.

[0033] During the processing of high-tenacity glass fiber through relevant processing equipment, it is drawn by the leak plate, and then the drawn glass fiber is pulled into the oil coating main box 1 by external rollers. The initial coating tube 6, the re-coating tube 4 and the wire outlet tube 2 jointly form an oil coating splicing channel located inside the oil coating main box 1, which prompts the glass fiber to enter along the initial coating tube 6 and undergo preliminary immersion oil coating treatment. After being pulled and drained, it enters the re-coating tube 4 for secondary oil coating treatment. The re-coated glass fiber is then pulled through the air circulation pipeline 7 for air-drying and oil unloading treatment, and finally guided out along the wire outlet tube 2 until entering the following steps.

[0034] A secondary inclined channel connected to the re-coating tube 4 is provided at the top of one end of the initial coating tube 6, and an upper guide roller 604 is sleeved on the inner wall of the top of the secondary inclined channel. A feed port is provided at the top of the other end of the initial coating tube 6, and an oil storage tank 601 is sleeved at the center of the bottom of the initial coating tube 6. The glass fiber is guided by an external roller, and with the assistance of a combined roller 602, the glass fiber is guided to be immersed in the oil in the oil storage tank 601. The amount of oil in the oil storage tank 601 is higher than the height of the combined roller 602, which cuts off the liquid barriers at both ends of the initial coating tube 6, which helps the clean airflow of the air circulation pipeline 7 to circulate in the oil coating splicing channel to avoid the mixing of external gas and the pollution of the glass fiber.

[0035] After the glass fiber is immersed in oil, it moves forward freely along the joint roller 602 to the upward guide roller 604. Affected by the inclination angle of the secondary inclined channel, the oil attached to the surface of the glass fiber is naturally refluxed, so that the surface of the glass fiber is completely soaked in oil. At the same time, the fiber burrs and residues on the surface of the glass fiber are detached under the influence of the initial oiling and traction rolling. With the return oil and the continuous injection of oil from the oil filling port 502 to the oil storage tank 601, the debris detached from the surface of the glass fiber is accumulated in the area near the top of the electric control valve.

[0036] A joint roller 602 is arranged on the top of the oil storage tank 601, a filter rack 603 connected to the oil storage tank 5 is arranged at the bottom of the oil storage tank 601, an electric-controlled valve connected to the filter rack 603 is arranged at the bottom of the oil storage tank 601, the filter rack 603 is composed of a plurality of groups of detachable filter plates, and the oil inside the oil storage tank 601 is opened and closed by the electric-controlled valve, so that it is controlled at a certain amount. When there is excess, the electric-controlled valve guides part of the oil at the bottom of the oil storage tank 601 into the filter rack 603, so that the oil containing impurities at the bottom of the oil storage tank 601 is extracted, and after being filtered by the filter rack 603, it enters the oil storage tank 5.

[0037] After being pulled along the upper guide roller 604, the glass fiber enters the 80° inclined channel. With the cooperation of multiple sets of middle guide rollers 401, the glass fiber is further guided into the oil inside the re-coating tube 4. With the traction of the outlet roller 202 and the external roller, the glass fiber is again transported upward at an angle. Accordingly, the glass fiber is transported up and down in multiple sections inside the oil-coated splicing channel, and the oiling treatment before each up and down transportation turning is coordinated to promote multi-layer oiling treatment on the surface of the glass fiber.

[0038] A discharge port is arranged at the top of one end of the wire outlet pipe 2, a jet plate 201 is arranged vertically downward on the inner wall of the discharge port, and a plurality of spray holes facing the re-coating pipe 4 are arranged on the inner wall of the jet plate 201, a wire outlet roller 202 is arranged below the jet plate 201 and is located in the middle of the discharge port of the wire outlet pipe 2, a guide plate 203 extending to the top of the return oil tank 3 is arranged below the wire outlet roller 202, and the top of the guide plate 203 is designed as a semicircular arc structure and is used to cover the bottom of the wire outlet roller 202.

[0039] An oil drop port connected to the wire outlet pipe 2 is arranged on the top of the return oil tank 3, and a combined filter plate 301 connected to the oil storage tank 5 is arranged at the bottom of the return oil tank 3, and the combined filter plate 301 is composed of multiple groups of detachable filter plates; the re-coating pipe 4 is designed in a concave shape, and multiple groups of middle guide rollers 401 are sleeved on the inner walls on both sides of the re-coating pipe 4, and an 80° inclined channel connected to the initial coating pipe 6 is arranged on the top of the other end of the re-coating pipe 4, and the installation position of the middle guide roller 401 near one end of the initial coating pipe 6 is higher than the other group.

[0040] Embodiment 2: This embodiment is a wire drawing oiling equipment for surface treatment of high-tenacity glass fiber, including an oil storage tank 5 embedded in the center of the inner part of the oiling main tank 1, located between the initial coating pipe 6 and the re-coating pipe 4, and an air circulation pipeline 7 connecting the initial coating pipe 6 and the wire outlet pipe 2 is embedded in the top of the oiling main tank 1.

[0041] An oil pump 501 is embedded in the top of the oil storage tank 5, and an oil filling port 1 502 and an oil filling port 2 503 connected to the oil pump 501 are respectively arranged on the outer walls at both ends of the top of the oil storage tank 5, and an oil guide plate 504 is arranged at the bottom of the oil filling port 2 503. A partition plate and an oil filter plate are arranged in sequence below the oil pump 501, and a multi-group manifold frame 505 is arranged below the oil filter plate. An oil suction pipe extending between the multi-group manifold frames 505 is arranged at the bottom of the oil pump 501.

[0042] In the process of the glass fiber entering the recoating tube 4 downward along the 80° inclined channel, the oil pump 501 extracts the clean oil filtered inside the oil storage tank 5 through the oil pumping pipe. The oil pump 501 is connected with the oil filling port 1 502 and the oil filling port 2 503 through the pipeline and the regulating valve. The oil filling port 1 502 continuously guides the clean oil to overflow, continuously adding oil to the oil storage tank 601, and the oil filling port 2 503 guides the oil to extend outward through the oil guide plate 504 to leak out until an oil waterfall is formed at the top of the other end of the recoating tube 4, which wets the surface of the glass fiber and impacts the oil inside the recoating tube 4 to produce ripples, causing the excess oil inside the recoating tube 4 to enter the return oil tank 3 along the oil drop port.

[0043] The air circulation pipeline 7 includes an air return exhaust circuit 701 arranged on the top of the oil coating main tank 1 and connected to the initial coating pipe 6 and the wire outlet pipe 2. A water vapor separator 702 is arranged at the bottom of one end of the air return exhaust circuit 701. An air filter element 703 is arranged at the bottom of the water vapor separator 702. An upper spray rack 704 and a lower spray rack 705 extending to the inside of the wire outlet pipe 2 are arranged at the bottom of the air filter element 703. A pipe fitting extending to the outside of the oil coating main tank 1 is arranged at the bottom of the water vapor separator 702.

[0044] The air circulation pipeline 7 is connected to the fresh air system or air supply equipment in the external factory area through pipe fittings, and guides the clean air flow into the oiling main box 1. After entering the oiling main box 1, the clean air is filtered again by the air filter element 703, and the dust-free gas after the second filtration is guided into the upper spray rack 704, the lower spray rack 705 and the jet plate 201 through the adapter pipe. The upper spray rack 704 and the lower spray rack 705 spray the air flow to the surface of the passing glass fiber, so that the excess oil on the surface of the glass fiber is flushed by the air flow and flows back to the subsequent glass fiber surface or falls into the oil drop port, and the jet plate 201 guides the gas to increase the air pressure in the discharge port area of ​​the wire outlet pipe 2, so that a small amount of gas leaks along the discharge port, while most of the gas flows along the inside of the oiling splicing channel.

[0045] Until it is stopped by the liquid resistance in the initial coating pipe 6, the bottom of the other end of the return air exhaust path 701 extends to above the liquid resistance area, which is used to guide the airflow into the water-gas separator 702. After being processed by the water-gas separator 702, the dust-free gas is guided into the air filter element 703, thereby realizing the recycling of the dust-free gas inside the oil coating main box 1.

[0046] Combining Example 1 and Example 2, it can be seen that the present invention has many innovations around the processing of high-tenacity glass fibers: First, an oil-coating splicing channel consisting of primary coating, re-coating, and a wire outlet tube 2 is constructed to achieve multiple oilings, form a multi-layer oil film, and enhance the adhesion between the oil and the glass fiber. At the same time, the oil in the oil storage tank 601 is accurately controlled to discharge impurities and ensure the cleanliness of the oil source.

[0047] Secondly, the roller 602, the inclined channel and multiple guide rollers are coordinated to evenly distribute the oil with the help of natural reflux and oil waterfall, and the oiling process is precisely controlled to ensure product consistency, improve production efficiency and finished product qualification rate.

[0048] Third, the air circulation pipeline 7 is combined with the fresh air or air supply equipment in the factory area to circulate the dust-free gas, and uses the air flow to optimize the oil adhesion on the fiber surface, assist in discharging, and improve the surface quality.

[0049] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A drawing oiling device for high-tenacity glass fiber surface treatment, comprising an oiling main tank (1), characterized in that: A wire outlet pipe (2) is embedded at one end of the oil coating main tank (1), an oil return tank (3) is disposed below the wire outlet pipe (2), a re-coating pipe (4) connected to the wire outlet pipe (2) is disposed at the top of the other end of the oil return tank (3), and an initial coating pipe (6) connected to the re-coating pipe (4) is embedded at the other end of the oil coating main tank (1); An oil storage tank (5) is embedded in the center of the interior of the oil coating main tank (1) and is located between the initial coating pipe (6) and the re-coating pipe (4). An air circulation pipeline (7) connecting the initial coating pipe (6) and the wire outlet pipe (2) is embedded in the top of the oil coating main tank (1).

2. The drawing oiling equipment for high-tenacity glass fiber surface treatment according to claim 1 is characterized in that: A discharge port is arranged at the top of one end of the wire outlet passage (2); a jet plate (201) is arranged vertically downward on the inner wall of the discharge port; and a plurality of groups of spray holes facing the re-coating passage (4) are arranged on the inner wall of the jet plate (201); a wire outlet roller (202) is arranged below the jet plate (201) and is located in the middle of the discharge port of the wire outlet passage (2); and a guide plate (203) is arranged below the wire outlet roller (202) and extends to the top of the oil return tank (3).

3. The drawing oiling equipment for high-tenacity glass fiber surface treatment according to claim 1 is characterized in that: The top of the oil return tank (3) is provided with an oil drop port connected to the wire outlet pipe (2), and the bottom of the oil return tank (3) is provided with a combined filter plate (301) connected to the oil storage tank (5), and the combined filter plate (301) is composed of a plurality of groups of detachable filter plates spliced ​​together.

4. The drawing oiling equipment for high-tenacity glass fiber surface treatment according to claim 1 is characterized in that: The re-coating tube (4) is designed in a concave shape, and multiple groups of middle guide rollers (401) are sleeved on the inner walls on both sides of the re-coating tube (4). The top of the other end of the re-coating tube (4) is provided with an 80° inclined channel connected to the primary coating tube (6).

5. The drawing oiling equipment for high-tenacity glass fiber surface treatment according to claim 1, characterized in that: A secondary inclined channel connected to the re-coating channel (4) is arranged at the top of one end of the primary coating channel (6), and an upper guide roller (604) is sleeved on the inner wall of the top of the secondary inclined channel. A feed port is arranged at the top of the other end of the primary coating channel (6), and an oil storage tank (601) is sleeved at the center of the bottom of the primary coating channel (6).

6. The drawing oiling equipment for high-tenacity glass fiber surface treatment according to claim 5, characterized in that: The top of the oil storage tank (601) is provided with a joint roller (602), the bottom of the oil storage tank (601) is provided with a filter rack (603) connected to the oil storage tank (5), and the bottom of the oil storage tank (601) is provided with an electric control valve connected to the filter rack (603).

7. The drawing oiling equipment for high-tenacity glass fiber surface treatment according to claim 1 is characterized in that: An oil pump (501) is embedded in the top of the oil storage tank (5), and an oil filling port 1 (502) and an oil filling port 2 (503) connected to the oil pump (501) are respectively arranged on the outer walls at both ends of the top of the oil storage tank (5), and an oil guide plate (504) is arranged at the bottom of the oil filling port 2 (503). A partition plate and an oil filter plate are arranged in sequence below the oil pump (501), and a multi-group manifold (505) is arranged below the oil filter plate. An oil pump pipe extending between the multi-group manifold (505) is arranged at the bottom of the oil pump (501).

8. The drawing oiling equipment for high-tenacity glass fiber surface treatment according to claim 1, characterized in that: The air circulation pipeline (7) comprises an air return exhaust path (701) arranged on the top of the oil coating main tank (1) and connected to the initial coating pipe (6) and the wire outlet pipe (2); a water vapor separator (702) is arranged at the bottom of one end of the air return exhaust path (701); an air filter element (703) is arranged at the bottom of the water vapor separator (702); an upper spray frame (704) and a lower spray frame (705) extending to the inside of the wire outlet pipe (2) are arranged at the bottom of the air filter element (703); and a pipe member extending to the outside of the oil coating main tank (1) is arranged at the bottom of the water vapor separator (702).

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