Integrated closed fiber impregnation forming equipment

Abstract

The utility model relates to the technical field of production of fiber reinforced resin composite profiles, in particular to integrated closed fiber impregnation forming equipment which comprises a closed shell, and a heating structure, a fiber impregnation forming structure and a fiber impregnation forming structure are sequentially arranged in the closed shell from left to right according to the yarn feeding direction. A first threading plate and a second threading plate are arranged on the left side and the right side of the heating structure respectively; the resin glue tank is used for carrying out glue dipping on the yarn conveyed by the heating structure, and the resin glue tank is provided with a heat preservation device; by arranging the closed shell, on one hand, particle impurities such as dust in the air can be prevented from entering the resin glue groove to influence the performance of a product, and on the other hand, pollution to the external environment can be avoided; and the heating structure is arranged to heat the yarns, so that the gluing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of production of fiber-reinforced resin composite profiles, in particular to an integrated closed fiber dipping and molding device. Background Art

[0002] Pultrusion is one of the main composite material forming processes. It involves extruding and curing continuous fibers, tapes, cloth, or felt impregnated with resin through a die under traction, resulting in the continuous production of fiber-reinforced composite profiles of unlimited length. Pultrusion is suitable for producing profiles with various cross-sections, such as tubes, rods, solid profiles (I-shaped, channel-shaped, square), and hollow profiles (door and window profiles, blades). Its characteristics are: 1. A simple and efficient process, suitable for large-scale production of high-performance fiber composites; 2. It maximizes the reinforcing effect of fibers, and offers advantages such as stable product performance, high fiber content, and low cost, making it widely used.

[0003] However, during the molding process of pultrusion products using certain special matrix resins, the toxic gases produced during the production process of traditional equipment will cause damage to the external environment; during the processing process, there is no structure to heat the yarn threading and keep the glue in the glue tank warm, and the gluing and molding effects cannot be guaranteed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides an integrated closed fiber dipping and molding device, which solves the problems raised in the above-mentioned background technology.

[0005] The technical solution of this utility model is as follows:

[0006] An integrated closed fiber dipping and molding device includes a closed rectangular shell, wherein the following components are arranged in sequence from left to right according to the direction of yarn feeding:

[0007] A heating structure, wherein the heating structure is used to heat the yarn, and a first yarn threading plate and a second yarn threading plate are respectively provided on the left and right sides of the heating structure;

[0008] A resin adhesive tank, which is used to dip the yarn conveyed from the heating structure into adhesive, and is provided with a heat preservation device;

[0009] A mold fixing station, wherein two mold brackets are provided on the mold fixing station, and the mold brackets are used to fix the fiber reinforced resin composite profile mold;

[0010] A felt mounting structure slidably connected to the top of the closed shell is provided on the upper side of the resin glue tank and the mold fixing station.

[0011] Furthermore, the heating structure includes a shell body arranged in a closed housing and having an opening on the top, and an electric heating rod and a fan arranged in the shell body. A breathable plate is fixedly connected to the top opening of the shell body.

[0012] Furthermore, the insulation device includes a concave plate and an insulation water tank, the concave plate is fixed on the lower side of the resin glue tank, there is a certain gap between the concave plate and the resin glue tank to form a cavity, and the edge of the concave plate is provided with multiple connecting pipes connected to the cavity, the connecting pipes are connected to the insulation water tank through pipelines, and a water pump is provided on one of the pipelines.

[0013] Furthermore, the felt mounting structure includes two fixing plates and a support shaft installed between the two fixing plates, and the fixing plates are slidably connected to a slide rail fixed to the bottom of the closed shell.

[0014] Furthermore, the side walls of the closed shell are provided with a plurality of observation windows, and the top of the closed shell is provided with an upwardly arched upper cover.

[0015] Furthermore, an air outlet pipe is provided at the top of the upper cover.

[0016] Compared with the prior art, the beneficial effects of the technical solution provided by the present invention are as follows: by providing a closed shell, on the one hand, it can prevent dust and other particulate impurities in the air from entering the resin tank and affecting the performance of the product; on the other hand, when the resin is heated, it will emit gas with a pungent odor into the air, and when it is heated and cured through the mold, it will also emit irritating and harmful gases. Therefore, the closed shell can avoid pollution to the external environment; by providing a heating structure to heat the yarn, the gluing effect is improved; by providing an insulation device on the resin tank, the fiber yarn and the resin tank can be heated, and while improving the resin fluid state in the resin tank, the fiber yarn can be effectively glued. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of an integrated closed fiber dipping and molding equipment;

[0018] Figure 2 This is a schematic diagram of the internal structure of an integrated closed fiber dipping and molding equipment;

[0019] Figure 3 It is a structural diagram of a closed shell;

[0020] Figure 4 This is a schematic diagram of the assembly structure of the resin tank and roller assembly;

[0021] Figure 5 It is a structural diagram of the resin glue tank;

[0022] Figure 6 is a cross-sectional view of the resin tank;

[0023] Figure 7 is a structural diagram of the fixed plate;

[0024] In the figure: 1. closed shell, 101. heating fixture, 102. insulation fixture, 103. transmission fixture, 104. forming fixture, 105. slide rail, 2. upper cover, 201. air outlet pipe, 3. first yarn threading plate, 4. breathable plate, 5. second yarn threading plate, 6. resin glue groove, 602. concave plate, 603. connecting pipe, 7. guide roller, 8. pressing roller, 9. fixture, 10. insulation water tank, 11. inclined plate, 12. placement plate, 13. mold bracket, 16. fixing plate, 1601. slot, 17. support shaft, 18. bump, 19. observation window, 20. side panel. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See Figure 1-7 , an integrated closed fiber dipping and molding device, comprising a closed housing 1 in the shape of a rectangular parallelepiped, wherein the closed housing 1 is provided with the following components in sequence from left to right according to the direction of yarn feeding:

[0027] A heating structure, which is used to heat the yarn, and a first yarn threading plate 3 and a second yarn threading plate 5 are respectively provided on the left and right sides of the heating structure;

[0028] A resin adhesive tank 6, which is used to dip the yarn conveyed from the heating structure into adhesive, and is provided with a heat preservation device;

[0029] A mold fixing station, wherein two mold brackets 13 are provided on the mold fixing station, and the mold brackets 13 are used to fix the fiber reinforced resin composite profile mold;

[0030] The resin tank 6 and the upper side of the mold fixing station are provided with a felt mounting structure that is slidably connected to the top of the closed housing 1;

[0031] The side wall of the closed housing 1 is provided with a plurality of observation windows 19 . The top of the closed housing 1 is provided with an upwardly arched upper cover 2 . The top end of the upper cover 2 is provided with an air outlet pipe 201 .

[0032] Specifically, the closed housing 1 includes a fixing frame and a plurality of side panels 20 fixed to the outer periphery of the fixing frame, and an upper cover 2, wherein the fixing frame is composed of a plurality of square steels welded together, the observation window 19 is installed at the upper end of the side panel 20, and an acrylic plate is installed on the outer shell of the observation window 19, which can prevent breakage and injury and is cheap; the number of the upper covers 2 is two, the upper cover 2 on the left is located at the upper end of the heating structure and the resin glue tank 6, the area of ​​the heating structure is in a closed state and is not connected to the resin glue tank 6, the air outlet pipe of the upper cover 2 on the left is located at the upper end of the resin glue tank 6, and the upper cover 2 on the right is located at the upper end of the inclined plate 11 and the mold fixing station; in order to discharge the hot air and toxic gases in the equipment, the air outlet pipe 201 at the top of the upper cover 2 is connected to the outdoor gas treatment equipment;

[0033] The fixed frame is welded with a horizontal heating fixed frame 101, a heat preservation fixed frame 102, a transmission fixed frame 103 and a molding fixed frame 104 from left to right in sequence; the heating structure is fixed on the heating fixed frame 101, and the first yarn threading plate 3 and the second yarn threading plate 5 are fixed on both sides of the heating fixed frame 101, wherein the first yarn threading plate 3 is a side plate of the closed shell 1, and the second yarn threading plate 5 is arranged between the heating structure and the resin glue tank 6, and the first yarn threading plate 3 and the second yarn threading plate 5 are both arranged with a plurality of yarn threading holes in a matrix; the resin glue tank 6 is fixed on the heat preservation fixed frame 102; an inclined plate 11 is provided on the transmission fixed frame 103, one end of the inclined plate 11 is connected to the upper port of the resin glue tank 6, and the other end extends upward to the mold fixing station. The setting of the inclined plate 11 can collect the resin dripping during the transmission of the impregnated fiber yarn back into the resin glue tank 6;

[0034] The longitudinal section of the resin glue tank 6 is a trapezoidal structure, and the length of the top opening of the resin glue tank 6 is greater than the length of the bottom; two rotating guide rollers 7 are provided near the bottom position in the resin glue tank 6, and two pressing rollers 8 are provided at the right end of the resin glue tank 6; the heat preservation fixing frame 102 is fixedly connected to a symmetrical strip plate in the horizontal position, and two C-shaped clamping blocks are fixedly connected to the strip plate, and longitudinal cross bars are clamped on the front and rear corresponding clamping blocks, and the cross bars are square steel or strip plates. The positions on both sides of the lower surface of the square steel are fixedly connected with vertical bars by bolts, and the vertical bars are square steel or strip plates. A guide roller 7 is provided between the two vertical bars, and a certain distance is left between the guide roller 7 and the resin glue tank 6 to facilitate the yarn to pass through from the lower end. By arranging two groups of guide rollers 7 and installing them at the bottom end of the resin glue tank 6, the passing yarn can be immersed in the glue;

[0035] The pressing roller 8 is installed at the right end of the resin glue tank 6, and the yarn that has been dipped in glue passes between the two pressing rollers 8 arranged up and down. A symmetrical strip plate is fixedly connected to the horizontal position of the right end of the resin glue tank 6, and a U-shaped fixing frame 9 is fixedly connected to the upper end of the strip plate. Two pressing rollers 8 that can move up and down are placed between the two fixing frames 9. The height of the fixing frame 9 is greater than the diameter of the two pressing rollers 8 when stacked together, and the length of the pressing roller 8 is greater than the distance between the two fixing frames 9 to prevent the pressing roller 8 from falling out when squeezing the yarn; by setting two pressing rollers 8 that conflict with each other, the upper pressing roller 8 squeezes the yarn by its own gravity, so that excess glue on the yarn can be removed, preventing waste of glue and glue dripping onto the equipment; a placing plate 12 is fixedly connected to the forming fixing frame 104, and the left and right ends of the placing plate 12 are fixedly connected to a mold bracket 13 for clamping the mold.

[0036] like Figure 2 As shown, the heating structure includes a shell provided in a closed housing 1 and having an opening on the top, an electric heating rod and a fan provided in the shell, and a breathable plate 4 is fixedly connected to the top opening of the shell.

[0037] Specifically, the outer dimensions of the shell are consistent with the dimensions of the inner side of the heating fixture 101, and the four sides of the shell extend outward to form long strips, which are placed on the heating fixture 101 and fixed by bolts; a bracket is fixed on the upper side of the shell, and the electric heating rod is fixed on the bracket. A fan fixed to the shell is provided on one side of the electric heating rod, and the air outlet side of the fan faces the electric heating rod; during the operation of the fan, the air at the upper end of the air permeable plate 4 is drawn down and then sent into the upper end of the air permeable plate 4 after heating, the air is circulated and heated and blown to the upper end of the air permeable plate 4, and the yarn is heated; by arranging the electric heating rod and the fan in the shell, the yarn can be heated to prevent the yarn material from hardening during production and improve the gluing effect.

[0038] like Figure 4 、 Figure 5 and Figure 6 As shown, the insulation device includes a concave plate 602 and an insulation water tank 10, the concave plate 602 is fixed on the lower side of the resin glue groove 6, and there is a certain gap between the concave plate 602 and the resin glue groove 6 to form a cavity, and the edge of the concave plate 602 is provided with multiple connecting pipes 603 connected to the cavity, and the connecting pipes 603 are connected to the insulation water tank 10 through pipelines, and a water pump is provided on one of the pipelines.

[0039] Specifically, the outer dimensions of the concave plate 602 are consistent with those of the resin glue tank 6. A certain distance is left between the concave plate 602 and the resin glue tank 6. The top of the concave plate 602 extends upward and is welded to the edge of the resin glue tank 6. The four sides of the resin glue tank 6 extend outward to form a long strip. The long strip is placed on the insulation fixing frame 102 and fixed by bolts. There are four connecting pipes 603, and the four connecting pipes 603 are fixedly connected to the four corners of the concave plate 602. The two on the right side are respectively fixed to the four corners of the concave plate 602. The parallel connecting pipes 603 are water inlet pipes, and the two parallel connecting pipes 603 on the left are water outlet pipes. The two water inlet pipes are connected in parallel to a water inlet main pipe, and the two water outlet pipes are connected in parallel to a water outlet main pipe. The water inlet main pipe and the water outlet main pipe are respectively connected to the water outlet end and the water inlet end of the insulated water tank 10. A water pump is installed on the water inlet main pipe or the water outlet main pipe. When the water pump is running, the water circulation in the insulated water tank 10 and the concave plate 602 is realized; in order to ensure the temperature in the insulated water tank 10, an electric heating rod is also provided in the insulated water tank 10.

[0040] like Figure 7 As shown, the felt mounting structure includes two fixing plates 16 and a support shaft 17 installed between the two fixing plates 16 , and the fixing plates 16 are slidably connected to a slide rail 105 fixed to the bottom of the closed housing 1 .

[0041] Specifically, the cross-section of the slide rail 105 is a C-shaped structure, and the length of the slide rail 105 is consistent with the distance between the insulation device and the transmission fixed frame 103. The number of fixed plates 16 connected to the slide rail 105 can be increased or decreased according to actual work requirements. The longitudinal cross-section of the protrusion 18 is observed to be an inverted convex structure; the fixed plate 16 is a 7-shaped structure, and the bottom end of the vertical plate on the fixed plate 16 is provided with a 7-shaped card slot 1601, the width of the card slot 1601 is consistent with the diameter of the support shaft 17 inserted in the felt, and the length of the connecting shaft is greater than the distance between the two fixed plates 16.

[0042] The working process of the integrated closed fiber dipping and molding equipment provided by the utility model is as follows:

[0043] Install the fiber-reinforced resin composite profile mold on the mold bracket 13; pass the yarn through the first yarn threading plate 3, the second yarn threading plate 5, the guide roller 7, the pressure roller 8 and the mold in sequence; hang the support shaft 17 on the fixed plate 16, introduce the felt on the support shaft 17 into the mold, fill the resin glue tank 6 with glue and start the insulation water tank 10 to heat the water in the cavity to keep the glue at a certain temperature; start the electric heating rod and the fan to heat the air temperature at the upper end of the breathable plate 4 to a certain temperature; start the gas treatment equipment to extract the air in the equipment for treatment.

[0044] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integrated closed fiber dipping and molding equipment, characterized in that: The invention comprises a closed housing (1) in a rectangular parallelepiped shape, wherein the closed housing (1) is provided with the following components in sequence from left to right according to the direction of yarn feeding: A heating structure, the heating structure is used to heat the yarn, and a first yarn threading plate (3) and a second yarn threading plate (5) are respectively provided on the left and right sides of the heating structure; A resin adhesive tank (6), the resin adhesive tank (6) is used to dip the yarn transmitted from the heating structure into adhesive, and the resin adhesive tank (6) is provided with a heat preservation device; A mold fixing station, wherein two mold supports (13) are provided on the mold fixing station, and the mold supports (13) are used to fix the fiber reinforced resin composite profile mold; The resin tank (6) and the upper side of the mold fixing station are provided with a felt mounting structure which is slidably connected to the top of the closed shell (1).

2. The integrated closed fiber dipping and molding equipment according to claim 1, characterized in that: The heating structure comprises a shell body arranged in a closed housing (1) and having an opening on the top, and an electric heating rod and a fan arranged in the shell body. A breathable plate (4) is fixedly connected to the top opening of the shell body.

3. The integrated closed fiber dipping and molding equipment according to claim 1, characterized in that: The heat preservation device comprises a concave plate (602) and a heat preservation water tank (10), wherein the concave plate (602) is fixed to the lower side of the resin glue groove (6), and a certain gap is provided between the concave plate (602) and the resin glue groove (6) to form a cavity, and a plurality of connecting pipes (603) communicating with the cavity are provided on the edge of the concave plate (602), and the connecting pipes (603) are connected to the heat preservation water tank (10) through pipelines, and a water pump is provided on one of the pipelines.

4. The integrated closed fiber dipping and molding equipment according to claim 1, characterized in that: The felt mounting structure comprises two fixing plates (16) and a support shaft (17) mounted between the two fixing plates (16), wherein the fixing plates (16) are slidably connected to a slide rail (105) fixed to the bottom of the closed housing (1).

5. The integrated closed fiber dipping and molding equipment according to claim 1, characterized in that: The side wall of the closed housing (1) is provided with a plurality of observation windows (19), and the top of the closed housing (1) is provided with an upwardly arched upper cover (2).

6. The integrated closed fiber dipping and molding equipment according to claim 5, characterized in that: An air outlet pipe (201) is provided at the top end of the upper cover (2).

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