CN213618460U - Glass steel pultrusion strip production system - Google Patents
Glass steel pultrusion strip production system Download PDFInfo
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- CN213618460U CN213618460U CN202022593169.6U CN202022593169U CN213618460U CN 213618460 U CN213618460 U CN 213618460U CN 202022593169 U CN202022593169 U CN 202022593169U CN 213618460 U CN213618460 U CN 213618460U
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Abstract
The utility model discloses a glass steel pultrusion strip production system, include: the yarn feeding device, the gum dipping device, the curing device and the traction mechanism are sequentially arranged along the pultrusion direction; the impregnation device comprises an impregnation tank, and a glue draining plate and a third threading plate are arranged in the impregnation tank; the glue dripping plate and the third threading plate divide the glue dipping tank into a first soaking area, a second soaking area and a pultrusion area which are arranged in sequence; the glue dripping plate and the third yarn threading plate are both array pore plates, the arrangement of the holes of the glue dripping plate and the third yarn threading plate is the same, and the aperture of the glue dripping holes of the glue dripping plate is smaller than that of the yarn threading holes of the third yarn threading plate. After partial resin soaked in the first soaking area is scraped, the fiber enters the second soaking area for secondary soaking, bubbles generated when the fiber contacts the resin are less during secondary soaking, the content of the bubbles in the glass fiber reinforced plastic obtained by pultrusion is reduced, and the strength of the glass fiber reinforced plastic is high.
Description
Technical Field
The utility model relates to a pultrusion technical field especially relates to a glass steel pultrusion production system.
Background
The glass fiber reinforced plastic pultrusion section has the characteristics of good insulating property, corrosion resistance, light weight, tensile strength, impact resistance, sound insulation, heat insulation and the like, and is widely applied to the fields of chemical corrosion resistance, sewage treatment, electrical insulation, energy exploitation, traffic transportation, electronic communication and the like. The glass fiber reinforced plastic pultrusion section is produced by a continuous production method of composite materials, twistless glass fiber roving on a creel, other continuous reinforcing material felts, polyester surface felts and the like are subjected to resin impregnation, then the twistless glass fiber roving passes through a forming die keeping a certain section shape, and the twistless glass fiber roving is cured and formed in the die and then is continuously demoulded.
However, bubbles are generated during the process of impregnating the glass fiber yarns with resin, so that the pultruded glass fiber reinforced plastics have high bubble content, and the strength of the glass fiber reinforced plastics is influenced. In order to reduce the bubbles in the pultruded glass fiber reinforced plastic, a method of extruding the bubbles in the resin during flash or pultrusion is currently used, but it is difficult to extrude the bubbles in the resin inside the glass fiber reinforced plastic.
Disclosure of Invention
In order to solve the technical problem, reduce the bubble in the glass steel, improve the intensity of glass steel, this is novel provides a glass steel pultrusion production system.
According to an aspect of the present invention, there is provided a glass fiber reinforced plastic pultruded strip production system, comprising: the yarn feeding device, the gum dipping device, the curing device and the traction mechanism are sequentially arranged along the pultrusion direction; the impregnation device comprises an impregnation tank, and a glue draining plate and a third threading plate are arranged in the impregnation tank; the glue dripping plate and the third threading plate divide the glue dipping tank into a first soaking area, a second soaking area and a pultrusion area which are arranged in sequence; the glue dripping plate and the third yarn threading plate are both array pore plates, the arrangement of the holes of the glue dripping plate and the third yarn threading plate is the same, and the aperture of the glue dripping holes of the glue dripping plate is smaller than that of the yarn threading holes of the third yarn threading plate.
Optionally, a first yarn threading plate is arranged in the first soaking area, and the first soaking area is divided into a first spraying unit and a first soaking unit by the first yarn threading plate; a second yarn threading plate is arranged in the second infiltration area and divides the second infiltration area into a second spraying unit and a second infiltration unit; the first spraying unit is provided with a plurality of first nozzles, and the second spraying unit is provided with a plurality of second nozzles.
Optionally, the first threading plate, the second threading plate and the third threading plate are the same array orifice plate.
Optionally, yarn inlet holes are uniformly distributed on the first end wall of the glue dipping tank; a second end wall of the gum dipping tank is provided with a pultrusion material outlet; the first end wall and the third yarn threading plate are the same array orifice plate.
Optionally, the pultrusion region comprises a flash unit, a preforming unit, a third spraying unit and a forming unit which are arranged in sequence; the preforming unit is provided with a preforming mold, the third spraying unit is provided with a plurality of third nozzles, and the forming unit is provided with a forming mold.
Optionally, the curing device comprises a set of UV lamps.
Optionally, the device also comprises a heating device arranged between the yarn supply device and the dipping device; the heating device comprises a heating mechanism and a heating channel connected with the heating mechanism.
Optionally, a cooling device arranged behind the solidifying device and between the traction mechanisms is further included; the cooling device comprises a cooling mechanism and a cooling channel connected with the cooling mechanism.
Optionally, the bottom wall of the glue dipping tank is provided with a glue outlet, and the side walls of the two sides of the first soaking area and the second soaking area of the glue dipping tank are provided with glue inlets; the production system also comprises a glue supply system, a glue inlet of the glue dipping tank is connected with the glue supply system through a glue conveying pipe, and a glue outlet of the glue dipping tank is connected with the glue supply system through a glue outlet pipe.
The utility model provides a glass steel pultrusion strip production system, the gumming device is including the first zone of soaking and the second zone of soaking that set gradually, and the fibre contacts the back with the resin in the first gumming district, strikes off behind the resin that the fibre was soaked in the first gumming district, and the fibre gets into the second zone of soaking and carries out secondary infiltration resin, and the bubble that produces when the fibre contacts resin is less when soaking for the secondary, reduces the bubble content in the glass steel that pultrusion obtained, and glass steel intensity is high.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation to the invention. In the drawings:
FIG. 1 is a schematic structural view of a glass fiber reinforced plastic pultruded strip production system of the present application;
FIG. 2 is a schematic structural view of a gumming apparatus in the example;
FIG. 3 is a schematic view of a heating apparatus in an embodiment;
FIG. 4 is a schematic view of a cooling apparatus in the example.
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 will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. It should be noted that, in the embodiments and examples of the present application, the feature vectors may be arbitrarily combined with each other without conflict.
The glass fiber reinforced plastic pultrusion section has the characteristics of good insulating property, corrosion resistance, light weight, tensile strength, impact resistance, sound insulation, heat insulation and the like, and is widely applied to the fields of chemical corrosion resistance, sewage treatment, electrical insulation, energy exploitation, traffic transportation, electronic communication and the like. The glass fiber reinforced plastic pultrusion section is produced by a continuous production method of composite materials, twistless glass fiber roving on a creel, other continuous reinforcing material felts, polyester surface felts and the like are subjected to resin impregnation, then the twistless glass fiber roving passes through a forming die keeping a certain section shape, and the twistless glass fiber roving is cured and formed in the die and then is continuously demoulded.
However, bubbles are generated during the process of impregnating the glass fiber yarns with resin, so that the pultruded glass fiber reinforced plastics have high bubble content, and the strength of the glass fiber reinforced plastics is influenced. In order to reduce the bubbles in the pultruded glass fiber reinforced plastic, a method of extruding the bubbles in the resin during flash or pultrusion is currently used, but it is difficult to extrude the bubbles in the resin inside the glass fiber reinforced plastic.
The application provides a glass steel pultrusion strap production system, along the gumming direction, the gumming device is including the first zone 31 and the second zone 32 of infiltrating that set gradually, first zone 31 and the second zone 32 of infiltrating are provided with the drop offset board 34, the fibre gets into gumming in the first zone 31 of infiltrating, resin and the glass fiber contact production a large amount of bubbles in the first zone 31 of infiltrating, drop offset board 34 strikes off the resin that the fibre was infiltrated in first zone 31 of infiltrating, the fibre gets into the second zone 31 of infiltrating resin, contact resin once more, the bubble that produces is less, reduce the bubble content in the glass steel that pultrusion obtained, the glass steel intensity that production obtained is high.
As shown in fig. 1 and 2, the pultrusion material production system of the present application comprises: the yarn feeding device 1, the gumming device 3, the curing device 4 and the traction mechanism 6 are sequentially arranged along the pultrusion direction; the impregnation device 3 comprises an impregnation tank 30, and a glue draining plate 34 and a third threading plate 37 are arranged in the impregnation tank 30; the glue leaching plate 34 and the third threading plate 37 divide the glue dipping tank 30 into a first soaking area 31, a second soaking area 32 and a pultrusion area 33 which are arranged in sequence; the glue draining plate 34 and the third threading plate 37 are both array pore plates, the arrangement of the holes of the glue draining plate 34 and the third threading plate 37 is the same, and the pore diameter of the glue draining hole of the glue draining plate 34 is smaller than that of the threading hole of the third threading plate 37.
The fiber is arranged on the yarn supply device 1 according to a preset rule, one end of the fiber penetrates through a glue dipping device 3 and a curing device 4 of a production system to be connected with a traction mechanism 6, the traction mechanism 6 pulls the fiber to continuously advance in the production system at a preset speed and pultrudes the fiber into a glass fiber reinforced plastic pultrusion strip, the fiber enters the glue dipping device 3 and firstly enters a first soaking area 31 to be soaked with resin, a glue draining plate 34 drains the resin soaked in the first soaking area 31, and the fiber enters a second soaking area 32 to be soaked for the second time; a plurality of fibers of the second impregnation resin are bonded together and pass through the pultrusion zone 33, and the pultrusion zone 33 extrudes the plurality of fibers into a fiber-resin material with a preset shape; and curing and molding the fiber-resin material with the preset shape by a curing device 4 to obtain the glass fiber reinforced plastic pultrusion strip.
As an example, as shown in fig. 2, a first threading plate 35 is disposed in the first infiltration zone 31, and the first threading plate 35 divides the first infiltration zone 31 into a first spraying unit 311 and a first infiltration unit 312; a second threading plate 36 is arranged in the second soaking area 32, and the second threading plate 36 divides the second soaking area 32 into a second spraying unit 321 and a second soaking unit 322; the first spraying unit 31 is provided with a plurality of first nozzles, and the second spraying unit 32 is provided with a plurality of second nozzles.
The first threading plate 35, the second threading plate 36 and the third threading plate 37 are identical array orifice plates.
In the field of glass fiber pultrusion, glass fibers are infiltrated in a mode of penetrating through a resin tank conventionally, the situation that the glass fibers cannot infiltrate the resin fully often occurs, and waste products caused by defects are easy to generate. The method generally adopted is to slow the pultrusion traction speed and lengthen the length of the resin tank so as to increase the time for soaking the glass fiber in the resin, which can reduce the productivity and increase the production cost, and the soaking effect is unstable, so that the problem of uneven soaking of the glass fiber often occurs.
According to the production system, the first spraying unit 311 is arranged before the first soaking unit 312, the fibers firstly enter the first spraying unit 311, the first nozzle sprays resin to the fiber surface, and the resin wraps the fiber surface, so that the fiber surface entering the first soaking unit 312 is wet, the wettability of the fibers is improved, and the resin can be fully soaked in the first soaking unit 312.
The fibers enter the second wetting area 32 from the first wetting area 31 and pass through the glue dripping plate 34, the resin wetted by the fibers in the first wetting unit 312 is dripped off from the glue dripping plate 34, the fibers enter the second wetting area 32 and pass through the second spraying unit 321, the second spraying unit 321 sprays the resin to the fiber surface to ensure that the resin surface entering the second wetting unit 322 is wet, the fibers can be fully wetted in the second wetting unit 322, and after the fiber surface is coated with a layer of resin, the contact between the fiber wetting second wetting unit 322 and the resin generates fewer bubbles, so that the bubbles in the pultruded glass fiber are further reduced.
Based on the above example, in a preferred embodiment, the first end wall 301 of the dip tank 30 is uniformly provided with yarn feeding holes; the second end wall 302 of the dip tank 30 is provided with a pultrusion material outlet; preferably, the first end wall 301 and the third threader plate 37 are identical array orifice plates.
Under the condition, the fiber enters the dip tank 30 from the first end wall 301 of the dip tank 30, and the fiber-resin material obtained by pultrusion in the dip tank 30 sequentially passes through the first soaking zone 31, the second soaking zone 32 and the pultrusion zone 33 and then passes out of the second end wall 302 of the dip tank 30.
As an example, the dipping apparatus 3 is a closed type dipping apparatus, and the dipping tank 30 further includes a tank cover for closing the tank opening.
As an example, as shown in fig. 2, the pultrusion zone 33 includes a flash unit 331, a preforming unit 332, a third spraying unit 333, and a shaping unit 334; the preforming unit 332 is provided with a preforming mold 01 therein, the third spraying unit 333 is provided with a plurality of third nozzles, and the forming unit 334 is provided with a forming mold 02 therein.
The fibers which are subjected to secondary resin impregnation in the second impregnation zone 32 enter the pultrusion zone 33 and pass through the flash unit 331, the redundant resin on the surfaces of the fibers drops into the flash unit 331 and then enters the preforming unit 332, and the preforming mold 01 extrudes the redundant resin on the surfaces of the fibers and in the inner parts of the fibers by extruding the fibers. The third spraying unit 333 sprays the resin onto the surface of the fiber-resin material extruded in the initial shape so that the resin is wrapped on the surface of the fiber-resin material in the initial shape, so that the surface of the fiber-resin material in the predetermined shape obtained by pultrusion is the resin, and the fiber is prevented from being exposed on the surface of the fiber-resin material.
As an example, the curing device 4 includes a UV lamp mold. The curing device 4 comprises a plurality of groups of UV lamps emitting ultraviolet light with different wavelengths; the resin used for spraying and infiltrating the fibers in the production system is ultraviolet curable resin, the fiber-resin material in the preset shape obtained by pultrusion in the pultrusion area 33 is irradiated by a plurality of groups of UV lamps of the curing device 4, the ultraviolet curable resin is rapidly cured under the irradiation of ultraviolet light with different wavelengths, and the fiber-resin material in the preset shape is cured to obtain the glass fiber reinforced plastic pultrusion strip.
For example, along the fiber pultrusion direction, the curing device 4 comprises a first UV lamp and a second UV lamp which are arranged in sequence, wherein the first UV lamp is used for emitting ultraviolet light with the wavelength of 320-400nm, and the second UV lamp is used for emitting ultraviolet light with the wavelength of 220-320 nm.
As an example, as shown in fig. 1 and 3, the production system of the present application further includes a heating device 2 disposed between the yarn feeding device 1 and the impregnation device 3; the heating device 2 includes a heating mechanism 21 and a heating passage 22 connected to the heating mechanism 21. The heating channel 22 is used for conveying a heating medium, and the fibers pass through the heating channel 22 to exchange heat with the heating medium; the heating mechanism 21 serves to heat the heating medium in the heating passage 22.
The fibers exchange heat with the heating medium in the heating channel 22 in a convection manner, the temperature of the surfaces of the fibers is increased to accelerate the molecular motion of the resin in the fibers when the resin is sprayed on the surfaces of the fibers, and the effect of good permeation of the fibers and the resin is achieved.
As an example, as shown in fig. 1 and 4, the production system of the present application further includes a cooling device 5 disposed after the solidification device 4 and between the traction mechanisms 6; the cooling device 5 includes a cooling mechanism 51 and a cooling passage 52 connected to the cooling mechanism 51. The cooling device 5 is used for cooling the glass fiber reinforced plastic pultrusion strips from the solidifying device 4, a cooling medium is conveyed in the cooling channel 52, and the fiber pultrusion materials enter the cooling channel 52 to exchange heat with the cooling medium; the cooling mechanism 51 is used to cool the cooling medium in the cooling passage 52.
As an example, the bottom wall of the dip tank 30 is provided with a glue outlet, and the side walls of the first and second soaking areas 31 and 32 of the dip tank 30 are provided with glue inlets; the glue dipping device 3 also comprises a glue supply system 7, a glue outlet of the glue dipping tank 30 is connected with the glue supply system 7 through a glue outlet pipe, and a glue inlet of the glue dipping tank 30 is connected with the glue supply system 7 through a glue conveying pipe.
Based on the above example, in one possible embodiment, as shown in fig. 1, the glue supply system 7 includes a glue storage tank 71 and a heating unit 72, wherein the glue storage tank 71 is used for supplying resin to the glue dipping tank 30 and recovering the resin discharged from the glue dipping tank 30, and the heating unit heats the glue storage tank to maintain the resin stored in the glue storage tank at a predetermined temperature.
The glue dipping tank 30 is provided with glue injecting ports corresponding to the side walls of the first soaking unit 312 and the second soaking unit 322, the glue inlet is connected with the glue storage tank 71 through a glue conveying pipe, and the glue storage tank 71 supplies resin to the first soaking unit 312 and the second soaking unit 322 through the glue conveying pipe.
The glue storage tank 71 is also connected with the first nozzle of the first spraying unit 311, the second nozzle of the second spraying unit 321 and the third nozzle of the third spraying unit 333 through glue conveying pipes respectively and correspondingly supplies resin.
The glue dipping tank 30 is provided with glue outlets at the bottoms of the first soaking area 31, the second soaking area 32 and the pultrusion area 33, and the glue outlets are connected with the glue storage tank 71 through glue outlet pipes to discharge the waste resin out of the glue storage tank 71.
The glue supply system 7 may only include the glue storage tank 71, the wall of the glue storage tank 71 is a double-layer tank wall, and hot water is filled in an interlayer of the double-layer tank wall of the glue storage tank 71 to maintain the resin in the glue storage tank 71 at a predetermined temperature.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solution of the present invention, not to limit the same, and the present invention is described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the true spirit and scope of the novel concept as defined by the appended claims.
Claims (9)
1. A glass steel pultrusion production system is characterized by comprising: the yarn feeding device (1), the gumming device (3), the curing device (4) and the traction mechanism (6) are sequentially arranged along the pultrusion direction;
the impregnation device (3) comprises an impregnation tank (30), and a glue dripping plate (34) and a third yarn threading plate (37) are arranged in the impregnation tank (30); the glue dripping plate (34) and the third threading plate (37) divide the glue dipping tank (30) into a first soaking area (31), a second soaking area (32) and a pultrusion area (33) which are arranged in sequence;
the glue draining plate (34) and the third threading plate (37) are both array pore plates, the arrangement of the holes of the glue draining plate (34) and the third threading plate (37) is the same, and the aperture of the glue draining holes of the glue draining plate (34) is smaller than that of the threading holes of the third threading plate (37).
2. The glass fiber reinforced plastic pultrusion bar production system as claimed in claim 1, wherein a first threading plate (35) is disposed in the first wetting zone (31), and the first threading plate (35) divides the first wetting zone (31) into a first spraying unit (311) and a first wetting unit (312);
a second yarn threading plate (36) is arranged in the second soaking area (32), and the second yarn threading plate (36) divides the second soaking area (32) into a second spraying unit (321) and a second soaking unit (322);
the first spraying unit (311) is provided with a plurality of first nozzles, and the second spraying unit (321) is provided with a plurality of second nozzles.
3. The system for producing pultruded strips of glass fiber reinforced plastic according to claim 2, wherein said first threading plate (35), said second threading plate (36) and said third threading plate (37) are identical arrayed perforated plates.
4. The system for producing the glass fiber reinforced plastic pultrusion bar as claimed in claim 1, wherein the first end wall (301) of the dip tank (30) is uniformly provided with yarn inlet holes; a second end wall (302) of the glue dipping tank (30) is provided with a pultrusion material outlet;
the first end wall (301) and the third threading plate (37) are the same array orifice plate.
5. The system for producing a pultruded strip according to claim 1, wherein said pultrusion zone (33) comprises a flash unit (331), a preforming unit (332), a third spraying unit (333), and a shaping unit (334) arranged in sequence; the preforming unit (332) is internally provided with a preforming die (01), the third spraying unit (333) is provided with a plurality of third nozzles, and the forming unit (334) is internally provided with a forming die (02).
6. A system for producing pultruded glass fibres according to claim 1, wherein said curing means (4) comprises a set of UV lamps.
7. A glass fiber reinforced plastic pultrusion strap production system as claimed in claim 1, characterized by further comprising a heating device (2) disposed between the yarn supply device (1) and the dipping device (3); the heating device (2) comprises a heating mechanism (21) and a heating channel (22) connected with the heating mechanism (21).
8. A glass fibre reinforced plastic pultruded strip production system according to claim 1, further comprising a cooling device (5) arranged after said solidifying device (4) and between said pulling mechanisms (6); the cooling device (5) comprises a cooling mechanism (51) and a cooling channel (52) connected with the cooling mechanism (51).
9. The glass fiber reinforced plastic pultrusion bar production system as claimed in claim 1, wherein a glue outlet is formed in the bottom wall of the glue dipping tank (30), and glue inlets are formed in the side walls of the first wetting area (31) and the second wetting area (32) of the glue dipping tank (30);
the production system further comprises a glue supply system (7), a glue inlet of the glue dipping tank (30) is connected with the glue supply system (7) through a glue conveying pipe, and a glue outlet of the glue dipping tank (30) is connected with the glue supply system (7) through a glue outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022593169.6U CN213618460U (en) | 2020-11-11 | 2020-11-11 | Glass steel pultrusion strip production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593169.6U CN213618460U (en) | 2020-11-11 | 2020-11-11 | Glass steel pultrusion strip production system |
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| CN213618460U true CN213618460U (en) | 2021-07-06 |
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| CN202022593169.6U Active CN213618460U (en) | 2020-11-11 | 2020-11-11 | Glass steel pultrusion strip production system |
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