CN112679099A - High-strength high-modulus glass fiber composition - Google Patents
High-strength high-modulus glass fiber composition Download PDFInfo
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Abstract
The invention relates to the technical field of glass fiber preparation, in particular to a high-strength high-modulus glass fiber composition, which comprises SiO2、Al2O3、Fe2O3、CaO、MgO、TiO2、K2O、BeO、CeO2Etc.; the production process comprises the steps of pretreatment, preparation of glass fiber strands, acid washing, warm water washing and heat setting; according to the invention, a proper amount of rare earth elements are introduced, and the rare earth oxide can not only reduce the melting temperature and high-temperature viscosity of the glass, but also improve the mechanical property of the glass, and the modulus and strength are improved; through the ternary mixed alkaline earth effect of CaO, MgO and rare earth elements, on the basis of ensuring that the glass fiber has high mechanical property and low forming temperature, the problems of high liquidus temperature, high crystallization rate and easy generation of traditional high-performance glass are solvedDevitrification of the green glass.
Description
Technical Field
The invention relates to the technical field of glass fiber preparation, in particular to a high-strength high-modulus glass fiber composition.
Background
The high-strength glass fiber is one of the most widely applied special functional glass fibers, has excellent performances of high strength, high temperature resistance, impact resistance, high wave transmittance, corrosion resistance and the like, and is widely applied to the fields of spaceflight, aviation, weapons, ships, chemical engineering and the like, such as missile engine shells, aerospace plane linings, composite material gun stocks, launching barrels, high-pressure containers, sucker rods, bulletproof armor and the like. Along with the popularization and application of high-strength glass fibers in the industrial fields of pressure vessels, optical cables, temperature-resistant materials, friction materials and the like, the demand for the high-strength glass fibers is continuously expanded. Chinese patent CN105174732A discloses a high-strength glass fiber, a preparation method and application thereof, wherein the high-strength glass fiber is mainly prepared from the following raw materials in percentage by weight: 55-60% of silica sand; 20-23% of calcined alumina; 7-10% of blast furnace slag; 5-9% of CaO; MgO8-10%, the high-strength glass fiber can be used as an ideal reinforcing base material of a high-performance composite material, and can be widely applied to the fields of windmill blades, space shuttles and the like with higher requirements on specific strength and specific elastic modulus. However, the traditional high-performance glass liquid still has the problems of high phase line temperature, high crystallization rate, easy glass crystallization phenomenon and low glass melting quality.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a high-strength high-modulus glass fiber composition, and solves the problems that the phase line temperature is high, the crystallization rate is high, the glass crystallization phenomenon is easy to occur and the glass melting quality is low in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a high-strength high-modulus glass fiber composition comprises the following raw materials in parts by weight: SiO 2250 to 65 portions of Al2O315-22 parts of Fe2O30.05 to 0.3 portion of CaO, 8 to 15 portions of MgO and TiO20.01-0.03 part, K20.1 to 0.3 portion of O and Na20.3-0.9 part of O, P2O50.1 to 0.5 portion of MnO 0.002 to 0.01 portion of BaO 0.001 to 0.01 portion of SrO 0.001 to 0.01 portion of ZrO20.1 to 1.5 portions of BeO, 0.05 to 0.3 portion of CeO20.001-0.01 portion. The production process comprises the steps of pretreatment, preparation of glass fiber strands, acid washing, warm water washing, heat setting and the like; the pickling process adopts pickling equipment.
The invention relates to a production process of a high-strength high-modulus glass fiber composition, which comprises the following specific steps:
(1) pretreatment: weighing the raw materials according to the weight components, and removing CeO2Other raw materials are uniformly mixed and then are put into a glass fiber drawing furnace for melting treatment;
(2) preparing glass fiber strands: adding CeO into the glass fiber drawing furnace2Melting and drawing to prepare glass fiber precursor;
(3) acid washing: placing the prepared glass fiber precursor into pickling equipment for pickling;
(4) and (3) warm water washing: washing the pickled glass fiber precursor;
(5) heat setting: the heat setting temperature is 920-1000 ℃, and the setting time is 1.0-1.5 h.
Further, in the step (1), the melting time is 20-25min, and the melting temperature is 1000-1200 ℃.
Further, in the step (2), the melting time is 20-40min, the melting temperature is 1200-.
Further, in the step (3), 0.6-0.8mol/L phosphomolybdic acid solution is adopted in the acid washing process, the acid washing temperature is 120-160℃, and the acid washing time is 30-60 min.
Further, in the step (4), water with the temperature of 40-48 ℃ is adopted for washing.
Furthermore, the pickling equipment comprises a pickling tank, a bearing box and a conveying mechanism; the conveying mechanisms comprise two groups which are respectively arranged at the left side and the right side in the pickling tank; each group of transmission mechanisms comprises a bracket, a driving gear, a driven gear, a chain and a sliding block; the driving gear and the driven gear are arranged on a bracket from top to bottom, the bracket is arranged in the pickling tank, the rear side of the driving gear is connected with a motor, and the motor is fixedly arranged on the bracket; the driving gear and the driven gear are provided with annular chains; both ends of the sliding block are connected with the bracket in a vertical sliding manner, and a sliding groove is formed in the sliding block; the chain is rotatably connected with a moving block, the moving block is positioned in the sliding groove, the moving block slides in the sliding groove, so that the moving block is always kept at a horizontal position, and a plurality of first supporting rods are uniformly distributed on the front side of the sliding block; the lower end of the support is connected with a first supporting device through a Y-shaped supporting frame, the first supporting device comprises a U-shaped frame with an opening facing the conveying mechanism and a plurality of second supporting rods rotatably arranged in the U-shaped frame, and the second supporting rods are matched with the first supporting rods for use; a plurality of second bracing pieces descend gradually from the right side to the left side and set up, and the height that highly is higher than the leftmost second bracing piece of U type frame left side board is convenient for the bearing case and slides from the right side to the left side to block through bearing case left side board, prevent the landing of bearing case. When the device is used, the pickling solution is filled in the pickling tank, the moving block of the conveying mechanism on the right side is adjusted to be above the pickling tank, the bearing box filled with the glass fiber precursors is placed on the first supporting rod, the driving gear of the conveying mechanism on the right side is driven by the motor to rotate anticlockwise so as to drive the chain and the driven gear to rotate, the moving block and the first supporting rod rotate along with the chain to the bearing box and are placed on the second supporting rod, the bearing box slides from right to left and is blocked by the left side plate of the bearing box, the pickling process of the glass fiber precursors is realized, after pickling is finished, the motor of the conveying mechanism on the left side is started to rotate anticlockwise, the chain of the conveying mechanism on the left side passes through the second supporting rod, the bearing box is dragged to move upwards to be above the pickling tank, the bearing box can be taken down, and the putting in and taking out of the glass, the operation is simple, safe and reliable.
Further, a second supporting device is arranged between each of the two conveying mechanisms and the left side surface and the right side surface of the pickling tank, and the structure of the second supporting device is the same as that of the first supporting device; the bottom of a middle connecting plate of the second supporting device is connected with a supporting column through two rollers, and the supporting column is fixedly arranged on the inner wall of the pickling tank; an oil cylinder is arranged between the support column and the middle connecting plate of the second supporting device, and the cylinder body and the output end of the oil cylinder are respectively hinged with the support column and the second supporting device; the oil cylinder is positioned on one side far away from the chain. Second supporting device is under the effect of two gyro wheels, is in the horizontality all the time, and can adjust the distance of second supporting device apart from the driving gear through the hydro-cylinder, in order to adapt to different wide bearing case, when bearing case broad, drive second supporting device through the hydro-cylinder and remove to the one side that is close to the driving gear, the bearing case is stably held up to the first bracing piece of being convenient for, hold up the back, for guaranteeing that the bearing case descends along with the chain, drive second supporting device through the hydro-cylinder and remove to the direction of keeping away from the driving gear. The automatic taking and placing of the bearing box are achieved through the structure.
Further, the support comprises two vertical support frames; the tops of the two vertical supporting frames are connected through a first connecting rod, the bottoms of the two vertical supporting frames are connected with one side of a rear cross beam of a bottom support of the structure in a shape like a Chinese character 'ri', the first connecting rod is connected with the driving gear through a first connecting plate, and the motor is fixedly arranged on the first connecting plate; the rear side cross beam of the bottom support is connected with the driven gear through a second connecting plate; two ends of the sliding block are respectively connected with the two vertical supporting frames in a sliding manner; the inner walls of the left side surface and the right side surface of the pickling tank are provided with a first bearing plate for bearing a bottom support at positions close to the lower end, and the bottom support is connected with the first bearing plate in a buckling manner; the Y-shaped support frame is connected with a front side cross beam of the bottom support. The structure not only avoids the acid pickling effect of acid liquor in the pickling tank on the glass fiber strands, but also facilitates the disassembly and assembly of the conveying mechanism and the support.
Furthermore, the left and right beams of the bottom support are connected with the side surface of the pickling tank through the L-shaped plate through bolts, so that the bottom support is convenient to disassemble, assemble and fix.
Furthermore, two vertical clamping plates are arranged on the moving block right above one of the first supporting rods, and the distance between the clamping plates is smaller than the diameter of the first supporting rods; the lower end of the rear side face of the bearing box is provided with a strip-shaped block, and the strip-shaped block can just penetrate through the space between the two clamping plates. Above-mentioned structure sets up when guaranteeing that first bracing piece can follow to pass between the adjacent second bracing piece, can also prevent to rock about when the bearing box is located first supporting device through the bar-shaped block card between two cardboards.
Furthermore, one side of the middle connecting plate close to the U-shaped frame is provided with a stabilizing plate, the second supporting rod penetrates through the stabilizing plate, and the first supporting rod can smoothly pass through the adjacent second supporting rods and can support the second supporting rods.
Furthermore, the pickling tank is of a cuboid structure with an opening at the upper part, and a liquid inlet and a liquid outlet a are arranged on the side surface.
Furthermore, the bearing box is of a cuboid structure with an opening at the upper part, a bearing plate II is detachably connected in the bearing box close to the upper end, and a through hole is formed in the bearing plate II; a liquid outlet b is arranged at the lower end of the side surface of the bearing box. During the use, put into loading board two with the glass fiber precursor on, accomplish the bearing case and take out the back through left transport mechanism when the pickling process, the acidizing fluid in the bearing case flows to the pickling bath through liquid outlet b.
The materials of the pickling equipment are all made of acid-resistant materials so as to prevent the acid liquor from corroding the pickling equipment.
The invention has the technical effects that:
compared with the prior art, the high-strength high-modulus glass fiber composition has the following advantages:
(1) according to the invention, a proper amount of rare earth elements are introduced, and the rare earth oxide can not only reduce the melting temperature and high-temperature viscosity of the glass, but also improve the mechanical property of the glass, wherein the modulus is improved by 10-20%, and the strength is improved by 20-30%; through the ternary mixed alkaline earth effect of CaO, MgO and rare earth elements, on the basis of ensuring that the glass fiber has high mechanical property and low forming temperature, the problems that the traditional high-performance glass has high liquidus temperature and high crystallization rate and is easy to generate glass crystallization are solved;
(2) according to the invention, a proper amount of transition metal elements are introduced to improve the alkali resistance of the glass, the zirconia can improve the viscosity, hardness, elasticity, refractive index and chemical stability of the glass, the thermal expansion coefficient of the glass is reduced, the alkali resistance of the glass is improved, the optimal range of the zirconia content is determined according to a melting sample experiment, the stability of the melting quality of the glass is maintained, and the optimal control of the cost of raw materials is also maintained.
Drawings
FIG. 1 is a schematic view of the interior of the main structure of the present invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a schematic structural diagram of the sliding block, the moving block, the first supporting rod and the clamping plate of the present invention;
FIG. 4 is a schematic view of a first supporting device according to the present invention;
FIG. 5 is a schematic view of the structure of the supporting box of the present invention;
FIG. 6 is a rear view of the inventive carrying case.
Wherein, 1, a pickling bath; 2. a supporting box; 3. a driving gear; 4. a driven gear; 5. a chain; 6. a slider; 7. a chute; 8. a moving block; 9. a first support bar; 10. a Y-shaped support frame; 11. a first supporting device; 12. a U-shaped frame; 13. a second support bar; 14. a second supporting device; 15. a roller; 16. a support pillar; 17. an oil cylinder; 18. a vertical support frame; 19. clamping a plate; 20. a first connecting rod; 21. a bottom bracket; 22. a first connecting plate; 23. a second connecting plate; 24. a first bearing plate; 25. an L-shaped plate; 26. a bar-shaped block; 27. a stabilizing plate; 28. a liquid inlet; 29. a liquid outlet a; 30. a second bearing plate; 31. a liquid outlet b; 32. and (4) a stirring device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the specification.
Example 1:
the high-strength high-modulus glass fiber composition comprises the following raw materials in parts by weight: SiO 22Is 55 parts of Al2O3Is 18 parts of Fe2O30.1 part, 10 parts of CaO and 10 parts of MgO，TiO20.02 part, K20.2 part of O and Na20.5 part of O, P2O50.3 part, MnO 0.006 part, BaO 0.005 part, SrO 0.005 part, ZrO 0.006 part20.8 portion of BeO, 0.1 portion of CeO2Is 0.005 part.
The production process of the high-strength high-modulus glass fiber composition comprises the following steps:
(1) pretreatment: weighing the raw materials according to the weight components, and removing CeO2Other raw materials are uniformly mixed and then are put into a glass fiber drawing furnace for melting treatment, the melting time is 20-25min, and the melting temperature is 1000-;
(2) preparing glass fiber strands: adding CeO into the glass fiber drawing furnace2Melting and drawing to prepare glass fiber precursor; the melting time is 20-40min, the melting temperature is 1200-1400 ℃, the wire drawing temperature is 1000-1300 ℃, and the wire drawing speed is 500-1200 m/min;
(3) acid washing: placing the prepared glass fiber precursor into pickling equipment for pickling; the acid washing process adopts 0.6-0.8mol/L phosphomolybdic acid solution, the acid washing temperature is 120-160℃, and the acid washing time is 30-60 min;
(4) and (3) warm water washing: washing the acid-washed glass fiber precursor with water with the water temperature of 40-48 ℃;
(5) heat setting: the heat setting temperature is 800-.
The elastic modulus of the glass fiber prepared by the embodiment reaches 95Gpa, and the tensile strength reaches 2800 MPa.
The pickling equipment comprises a pickling tank 1, a supporting box 2 and a conveying mechanism; the conveying mechanisms comprise two groups which are respectively arranged at the left side and the right side in the pickling tank 1; each group of transmission mechanisms comprises a bracket, a driving gear 3, a driven gear 4, a chain 5 and a sliding block 6; the driving gear 3 and the driven gear 4 are arranged on a bracket from top to bottom, the bracket is arranged in the pickling tank 1, the rear side of the driving gear 3 is connected with a motor (not shown in the figure), and the motor is fixedly arranged on the bracket; the driving gear 3 and the driven gear 4 are provided with an annular chain 5; both ends of the sliding block 6 are connected with the bracket in a vertical sliding manner, and a sliding groove 7 is formed in the sliding block 6; the chain 5 is rotatably connected with a moving block 8, the moving block 8 is positioned in the sliding groove 7, the moving block 8 slides in the sliding groove 7, so that the moving block 8 is always kept at a horizontal position, and a plurality of first supporting rods 9 are uniformly distributed on the front side of the sliding block 6; the lower end of the support is connected with a first supporting device 11 through a Y-shaped supporting frame 10, the first supporting device 11 comprises a U-shaped frame 12 with an opening facing the conveying mechanism and a plurality of second supporting rods 13 rotatably arranged in the U-shaped frame 12, and the second supporting rods 13 are matched with the first supporting rods 9 for use; a plurality of second bracing pieces 13 descend gradually from the right side to the left side and are arranged, the height of the left side plate of the U-shaped frame 12 is higher than that of the leftmost second bracing piece 13, so that the bearing box 2 can slide from the right side to the left side conveniently, and the left side plate of the bearing box 2 is blocked to prevent the bearing box 2 from sliding down. When the pickling device is used, the pickling solution is filled in the pickling tank 1, the moving block 8 of the conveying mechanism on the right side is adjusted to be above the pickling tank 1, the bearing box 2 filled with glass fiber strands is placed on the first supporting rod 9, the driving gear 3 of the conveying mechanism on the right side is driven by the motor to rotate anticlockwise so as to drive the chain 5 and the driven gear 4 to rotate, the moving block 8 and the first supporting rod 9 rotate along with the chain 5 to the bearing box 2 and are placed on the second supporting rod 13, the bearing box 2 slides from right to left and is blocked by the left side plate of the bearing box 2, the pickling process of the glass fiber strands is realized, after pickling is finished, the motor of the conveying mechanism on the left side is started, the chain of the conveying mechanism on the left side rotates anticlockwise, the first supporting rod 9 of the conveying mechanism on the left side passes through the second supporting rod 13, the bearing box 2 is dragged to move upwards to be above the pickling tank 1, the glass fiber precursor can be conveniently put in and taken out, and the operation is simple, safe and reliable.
A second supporting device 14 is arranged between the two conveying mechanisms and the left side surface and the right side surface of the pickling tank 1 respectively, and the structure of the second supporting device 14 is the same as that of the first supporting device 11; the bottom of a middle connecting plate of the second supporting device 14 is connected with a supporting column 16 through two rollers 15, and the supporting column 16 is fixedly arranged on the inner wall of the pickling tank 1; an oil cylinder 17 is further arranged between the support column 16 and the middle connecting plate of the second supporting device 14, and the cylinder body and the output end of the oil cylinder 17 are respectively hinged with the support column 16 and the second supporting device 14; the cylinder 17 is located on the side remote from the chain 5. Second supporting device 14 is under two gyro wheel 15's effect, be in the horizontality all the time, and can adjust the distance of second supporting device 14 apart from driving gear 3 through hydro-cylinder 17, so as to adapt to different wide bearing case 2, when bearing case 2 broad, drive second supporting device 14 through hydro-cylinder 17 and remove to the one side that is close to driving gear 3, be convenient for first bracing piece 9 stably holds up bearing case 2, hold up the back, for guaranteeing bearing case 2 along with chain 5 descends, drive second supporting device 14 through hydro-cylinder 17 and remove to the direction of keeping away from driving gear 3. The automatic taking and placing of the bearing box 2 are realized through the structure.
The stand comprises two vertical supports 18; the tops of the two vertical supporting frames 18 are connected through a first connecting rod 20, the bottoms of the two vertical supporting frames are connected with one side of a rear cross beam of a bottom support 21 of a herringbone structure, the first connecting rod 20 is connected with the driving gear 3 through a first connecting plate 22, and the motor is fixedly installed on the first connecting plate 22; the rear side beam of the bottom bracket 21 is connected with the driven gear 4 through a second connecting plate 23; two ends of the sliding block 6 are respectively connected with the two vertical supporting frames 18 in a sliding manner; the inner walls of the left side surface and the right side surface of the pickling tank 1 are provided with a bearing plate I24 for bearing the bottom support 21 at positions close to the lower ends, and the bottom support 21 is connected with the bearing plate I24 in a buckling manner; the Y-shaped support frame 10 is connected with a front side beam of the bottom bracket 21. The structure arrangement not only avoids the acid pickling effect of acid liquor in the pickling tank 1 on the glass fiber strands, but also is convenient for dismounting the conveying mechanism and the bracket.
The left beam and the right beam of the bottom support 21 are connected with the side surface of the pickling tank 1 through the L-shaped plate 25 through bolts, so that the bottom support is convenient to disassemble, assemble and fix.
Two vertical clamping plates 19 are arranged at the position, right above one first supporting rod 9, of the moving block 8, and the distance between the clamping plates 19 is smaller than the diameter of the first supporting rod 9; the lower end of the back side of the supporting box 2 is provided with a bar-shaped block 26, and the bar-shaped block 26 can just pass through the space between the two clamping plates 19. The above structure arrangement ensures that the first supporting rod 9 can pass through the adjacent second supporting rod 13, and can be clamped between the two clamping plates 19 through the bar-shaped blocks 26, so that the supporting box 2 is prevented from shaking left and right when being positioned on the first supporting device 11.
A stabilizing plate 27 is arranged on one side of the middle connecting plate close to the U-shaped frame 12, the second supporting rod 13 penetrates through the stabilizing plate 27, and the stabilizing plate 27 plays a role in supporting the second supporting rod 13 while ensuring that the first supporting rod 9 can smoothly pass through the space between the adjacent second supporting rods 13.
The pickling tank 1 is a cuboid structure with an opening at the upper part, and a liquid inlet 28 and a liquid outlet a29 are arranged on the side surface.
The bearing box 2 is of a cuboid structure with an opening at the upper part, a bearing plate II 30 is detachably connected in the bearing box 2 close to the upper end, and a through hole is formed in the bearing plate II 30; the lower end of the side surface of the supporting box 2 is provided with a liquid outlet b 31. During the use, put into the second 30 of loading board with the glass fiber precursor, after pickling process accomplished and taken out bearing box 2 through left transport mechanism, the acidizing fluid in the bearing box 2 flowed to pickling bath 1 through liquid outlet b 31.
Still be equipped with a plurality of agitating unit 32 in the pickling bath 1 of bottom support 21 below for stir the acidizing fluid, improve the pickling effect. The stirring device 32 in this embodiment is a prior art, and is not described in detail.
In this embodiment, the materials of the pickling apparatus are all made of acid-resistant materials, so as to prevent the acid solution from corroding the pickling apparatus.
Example 2:
the high-strength high-modulus glass fiber composition comprises the following raw materials in parts by weight: SiO 22Is 50 parts of Al2O3Is 15 parts of Fe2O30.05 part, 8 parts of CaO, 8 parts of MgO and TiO2Is 0.01 part, K20.1 part of O and Na2O is 0.3 part, P2O50.1 part, MnO 0.002 part, BaO 0.001 part, SrO 0.001 part, ZrO 0.1 part20.1 part of BeO, 0.05 part of CeO20.001 part; the preparation method is the same as that of example 1.
The elastic modulus of the glass fiber prepared by the embodiment reaches 94GPa, and the tensile strength reaches 2800 MPa.
Example 3:
the high-strength high-modulus glass fiber composition comprises the following raw materials in parts by weight: SiO 2265 parts of Al2O3Is 22 parts of Fe2O30.3 part, 15 parts of CaO, 15 parts of MgO and TiO20.03 part, K20.3 part of O and Na2O is 0.9 part, P2O50.5 part of MnO, 0.01 part of BaO, 0.01 part of SrO and ZrO21.5 parts, BeO 0.3 parts, CeO20.01 portion; the preparation method is the same as that of example 1.
The elastic modulus of the glass fiber prepared by the embodiment reaches 95Gpa, and the tensile strength reaches 2800 MPa.
The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. A high strength, high modulus glass fiber composition characterized by: the weight components of the raw materials are as follows: SiO 2250 to 65 portions of Al2O315-22 parts of Fe2O30.05 to 0.3 portion of CaO, 8 to 15 portions of MgO and TiO20.01-0.03 part, K20.1 to 0.3 portion of O and Na20.3-0.9 part of O, P2O50.1 to 0.5 portion of MnO 0.002 to 0.01 portion of BaO 0.001 to 0.01 portion of SrO 0.001 to 0.01 portion of ZrO20.1 to 1.5 portions of BeO, 0.05 to 0.3 portion of CeO20.001-0.01 portion; the production process comprises the steps of pretreatment, preparation of glass fiber strands, acid washing, warm water washing and heat setting.
2. The high strength high modulus glass fiber composition of claim 1, wherein: the production process comprises the following specific steps:
pretreatment: weighing the raw materials according to the weight components, and removing CeO2All other raw materials are mixedAfter being mixed uniformly, the mixture is put into a glass fiber drawing furnace for melting treatment;
preparing glass fiber strands: adding CeO into the glass fiber drawing furnace2Melting and drawing to prepare glass fiber precursor;
acid washing: placing the prepared glass fiber precursor into pickling equipment for pickling;
and (3) warm water washing: washing the pickled glass fiber precursor;
(5) heat setting: the heat setting temperature is 920-1000 ℃, and the setting time is 1.0-1.5 h.
3. The high strength high modulus glass fiber composition according to claim 1 or 2, characterized in that: the pickling process adopts pickling equipment; the pickling equipment comprises a pickling tank (1), a bearing box (2) and a conveying mechanism; the conveying mechanisms comprise two groups which are respectively arranged at the left side and the right side in the pickling tank (1); each group of transmission mechanisms comprises a bracket, a driving gear (3), a driven gear (4), a chain (5) and a sliding block (6); the driving gear (3) and the driven gear (4) are arranged on a bracket from top to bottom, the bracket is arranged in the pickling tank (1), the rear side of the driving gear (3) is connected with a motor, and the motor is fixedly arranged on the bracket; the driving gear (3) and the driven gear (4) are provided with an annular chain (5); both ends of the sliding block (6) are connected with the bracket in a vertical sliding manner, and a sliding groove (7) is formed in the sliding block (6); the chain (5) is rotatably connected with a moving block (8), the moving block (8) is positioned in the sliding groove (7), and a plurality of first supporting rods (9) are uniformly distributed on the front side of the sliding block (6); the lower end of the support is connected with a first supporting device (11) through a Y-shaped supporting frame (10), the first supporting device (11) comprises a U-shaped frame (12) with an opening facing the conveying mechanism and a plurality of second supporting rods (13) rotatably arranged in the U-shaped frame (12), and the second supporting rods (13) are matched with the first supporting rods (9) for use; the plurality of second supporting rods (13) are gradually arranged from right to left in a descending mode, and the height of the left side plate of the U-shaped frame (12) is higher than that of the leftmost second supporting rod (13).
4. The high strength high modulus glass fiber composition of claim 3, wherein: a second supporting device (14) is arranged between each of the two conveying mechanisms and the left side surface and the right side surface of the pickling tank (1), and the structure of the second supporting device (14) is the same as that of the first supporting device (11); the bottom of a middle connecting plate of the second supporting device (14) is connected with a supporting column (16) through two rollers (15), and the supporting column (16) is fixedly arranged on the inner wall of the pickling tank (1); an oil cylinder (17) is further arranged between the support column (16) and the middle connecting plate of the second supporting device (14), and the cylinder body and the output end of the oil cylinder (17) are respectively hinged with the support column (16) and the second supporting device (14); the oil cylinder (17) is positioned on one side far away from the chain (5).
5. The high strength high modulus glass fiber composition of claim 3, wherein: the stand comprises two vertical supports (18); the tops of the two vertical supporting frames (18) are connected through a first connecting rod (20), the bottoms of the two vertical supporting frames are connected with one side of a rear side cross beam of a bottom support (21) of a structure shaped like a Chinese character 'ri', the first connecting rod (20) is connected with the driving gear (3) through a first connecting plate (22), and the motor is fixedly installed on the first connecting plate (22); the rear side beam of the bottom bracket (21) is connected with the driven gear (4) through a second connecting plate (23); two ends of the sliding block (6) are respectively connected with the two vertical supporting frames (18) in a sliding manner; the inner walls of the left side surface and the right side surface of the pickling tank (1) are provided with a first bearing plate (24) for bearing a bottom support (21) at positions close to the lower ends, and the bottom support (21) is connected with the first bearing plate (24) in a buckling manner; the Y-shaped support frame (10) is connected with a front side beam of the bottom support (21).
6. The high strength and high modulus glass fiber composition of claim 5, wherein: the left beam and the right beam of the bottom support (21) are connected with the side surface of the pickling tank (1) through bolts through an L-shaped plate (25).
7. The high strength high modulus glass fiber composition according to any of claims 4 to 6, wherein: two vertical clamping plates (19) are arranged on the moving block (8) right above one first supporting rod (9), and the distance between the clamping plates (19) is smaller than the diameter of the first supporting rod (9); the lower end of the rear side face of the supporting box (2) is provided with a strip-shaped block (26), and the strip-shaped block (26) can just penetrate through the space between the two clamping plates (19).
8. The high strength high modulus glass fiber composition of claim 3, wherein: and a stabilizing plate (27) is arranged on one side of the middle connecting plate close to the U-shaped frame (12), and the second supporting rod (13) penetrates through the stabilizing plate (27).
9. The high strength high modulus glass fiber composition of claim 3, wherein: the bearing box (2) is of a cuboid structure with an opening at the upper part, a bearing plate II (30) is detachably connected at the position close to the upper end in the bearing box, and a through hole is formed in the bearing plate II (30); a liquid outlet b (31) is arranged at the lower end of the side surface of the supporting box (2).
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| CN202110270864.5A CN112679099B (en) | 2021-03-12 | 2021-03-12 | High-strength high-modulus glass fiber composition |
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