A hybrid composite reinforcement preparation system containing basalt fiber and carbon fiber

Abstract

This invention discloses a hybrid composite reinforcement preparation system containing basalt fiber and carbon fiber, comprising a feeding module, and sequentially connected downstream of the feeding module are a pre-forming module for impregnation, a rib-forming module, a curing and shaping module, a traction module, and a cutting and transport module. The feeding module ensures that the carbon fiber and basalt fiber are arranged in an orderly manner according to their positions and proportions, providing a foundation for subsequent bonding. The pre-forming module facilitates the adhesion and aggregation of fibers through the adhesive, and the pre-forming device initially forms an integrated whole from the hybrid fiber bundles. The rib-forming device further compresses the fiber bundles and adds ribs to their outer periphery, further improving the integrity and strength of the fiber bundles. The curing and shaping module further ensures the fusion and curing of the adhesive and fiber body, making the overall connection more stable.

Description

Technical Field

[0001] This utility model relates to the field of composite reinforcement preparation technology, and in particular to a hybrid composite reinforcement preparation system containing basalt fiber and carbon fiber. Background Technology

[0002] When connecting composite reinforcing bars, they are usually constrained and fixed by sleeves, or they are connected as a whole by intertwining the fibers. To ensure that the composite reinforcing bars of different fibers do not intertwine in the longitudinal direction and are fixed by sleeves, it is necessary to connect them as a whole by impregnation and extrusion, fix and shape them under temperature control such as heating, and strengthen them by adding ribs. This requires targeted design. Utility Model Content

[0003] This invention provides a hybrid composite reinforcement preparation system containing basalt fiber and carbon fiber to solve technical problems such as impregnation, extrusion, curing and shaping, and rib addition when integrally connecting composite reinforcements of different fibers.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A hybrid composite rib preparation system containing basalt fiber and carbon fiber includes a feeding module, and sequentially connected downstream of the feeding module are a resin impregnation preforming module, a rib forming module, a curing and shaping module, a traction module, and a cutting and transport module. The feeding module contains carbon fiber and basalt fiber; The impregnation preforming module includes a yarn inlet plate, a yarn outlet plate, an impregnation tank disposed between the yarn inlet plate and the yarn outlet plate, and a preforming device disposed downstream of the yarn outlet plate; carbon fiber and basalt fiber are respectively inserted into the yarn inlet plate and the yarn outlet plate, and are both coated with adhesive in the impregnation tank, and the carbon fiber and basalt fiber are squeezed in the preforming device to form a mixed fiber bundle. The forming and ribbed module includes a preheating box and a forming and ribbed device located downstream of the preheating box; the hybrid fiber bundle is heated in the preheating box and then passes through the forming and ribbed device to form a wire-integrated hybrid rib. The curing and shaping module includes a heating curing chamber and a cooling chamber, wherein the wire-contained mixed ribs are shaped after passing through the heating curing chamber and the cooling chamber; The traction module is equipped with a mixed reinforcement for pulling the conveyor belt, while the cutting and transport module is equipped with a mixed reinforcement for cutting the conveyor belt to the designed length.

[0005] Furthermore, in the hybrid reinforcing bar, the carbon fiber is located at the center, and the carbon fiber is wrapped with basalt fiber on the outer periphery; the carbon fiber and basalt fiber are connected by adhesive filling.

[0006] Furthermore, the feeding module includes a yarn frame, on which fiber yarn balls are set, the fiber yarn balls containing carbon fiber and basalt fiber; the position and number of fiber yarn balls are adapted to the design position and ratio settings of carbon fiber and basalt fiber.

[0007] Furthermore, the yarn inlet plate and the yarn outlet plate are provided with round holes, and the round holes are respectively provided for carbon fiber and basalt fiber. The resin is placed in the impregnation tank, and a water bath is placed below it; the temperature of the water bath is maintained at 25°C. The preforming device is tapered, which extrudes and integrates carbon fiber and basalt fiber into a hybrid fiber bundle.

[0008] Furthermore, the forming and rib-adding device includes a secondary forming device, a rib-adding wire frame integrally formed with the secondary forming device and located downstream therefrom, and rib-adding rods disposed on the rib-adding wire frame. The secondary forming device is linear and performs secondary extrusion on the preheated mixed fiber bundles.

[0009] Furthermore, the ribbed wire frame is provided with ribbed wires, which are reinforced by ribbed rods to form ribbed wires on the outside of the mixed fiber bundle; the ribbed wires are spirally reinforced to form grooved ribs, with a spiral angle of 40° to 60° and a rib spacing of 1.5 times the diameter of the mixed fiber bundle.

[0010] Furthermore, the curing and shaping module includes a heating curing chamber and a cooling chamber located downstream of the heating curing chamber process. The heating curing chamber is divided into three zones along the upstream to downstream direction of the process: preheating, gelling, and curing. The temperature of the three zones increases sequentially, forming a temperature gradient.

[0011] Furthermore, the traction module includes a traction frame and traction rollers mounted on the traction frame. The traction rollers are arranged parallel to each other vertically and are connected in the middle by a mixed rib with a wire.

[0012] Furthermore, the cutting and transport module includes a cutting machine and a conveyor belt located downstream of the cutting machine process. The cutting machine cuts according to the design length of the mixed reinforcing bars and moves them to the stacking area via the conveyor belt.

[0013] The beneficial effects of this utility model are reflected in: This invention, through the feeding module, ensures that carbon fiber and basalt fiber are arranged in an orderly manner according to their position and proportion, providing a foundation for subsequent bonding. The pre-forming module facilitates the adhesion and aggregation of fibers using the adhesive, and the pre-forming device initially forms an integrated whole from the mixed fiber bundles. The forming and ribbing device further compresses the fiber bundles and adds ribs to their outer periphery, further improving the integrity and strength of the fiber bundles. The curing and setting module further ensures the fusion and curing of the adhesive and fiber body, making the overall connection more stable. Other features and advantages of this invention will be set forth in the following description and will be apparent in part from the description, or may be learned by practicing the invention. The main objectives and other advantages of this invention can be realized and obtained by means of the methods particularly pointed out in the description. Attached Figure Description

[0014] Figure 1 This is a schematic diagram illustrating the application of a hybrid composite reinforcement system containing basalt fiber and carbon fiber. Figure 2 This is a schematic diagram of the feeding module; Figure 3 This is a schematic diagram of the dip-coating preforming module; Figure 4 This is a schematic diagram of the molded ribbed module; Figure 5 This is a schematic diagram of the forming and rib-adding device; Figure 6 This is a schematic diagram of the solidified and fixed-shape module; Figure 7 This is a schematic diagram of the traction module; Figure 8 This is a schematic diagram of the cutting and transport module; Figure 9 This is a schematic diagram of a mixed reinforcement structure with wires; Figure 10 This is a schematic diagram of the cross-section of the mixed reinforcement with lines.

[0015] Reference numerals: 1-Feeding module, 11-Yarn frame, 12-Carbon fiber, 13-Basalt fiber, 2-Impregnated preforming module, 21-Yarn inlet plate, 22-Impregnated tank, 23-Yarn outlet plate, 24-Preforming device, 3-Forming and rib-winding module, 31-Preheating box, 32-Forming and rib-adding device, 321-Secondary forming device, 322-Rib-adding wire frame, 323-Rib-adding rod, 33-Rib-adding wire, 4-Curing and shaping module, 41-Heating and curing box, 42-Cooling box, 5-Traction module, 51-Traction frame, 52-Traction roller, 6-Cutting and transporting module, 61-Cutting machine, 62-Conveyor belt, 7-Mixed fiber bundle, 8-Mixed reinforcing rib with thread. Detailed Implementation

[0016] Taking the replacement of ordinary steel bars with hybrid composite bars containing basalt fiber and carbon fiber in a tensile pile with high corrosion resistance as an example, the hybrid composite bars are prepared and applied using a hybrid composite bar preparation system containing basalt fiber and carbon fiber.

[0017] like Figures 1 to 10 As shown, the hybrid composite reinforcement preparation system containing basalt fiber and carbon fiber includes a feeding module 1, and sequentially connected downstream of the feeding module 1 are a resin impregnation preforming module 2, a forming and winding rib module 3, a curing and shaping module 4, a traction module 5, and a cutting and transport module 6. In the fabricated hybrid reinforcement 8, carbon fiber 12 is located at the center, and basalt fiber 13 is wrapped around the outer periphery of carbon fiber 12; carbon fiber 12 and basalt fiber 13 are connected by resin filling.

[0018] In this embodiment, the feeding module 1 includes a yarn frame 11, on which fiber yarn balls are arranged, the fiber yarn balls including carbon fiber 12 and basalt fiber 13; the position and number of fiber yarn balls are adapted to the design position and ratio of carbon fiber 12 and basalt fiber 13.

[0019] The yarn inlet plate 21 and the yarn outlet plate 23 are provided with round holes, and the round holes are respectively provided for carbon fiber 12 and basalt fiber 13; the volume ratio of carbon fiber 12 to basalt fiber 13 is 1:8 to 1:10.

[0020] In this embodiment, the impregnation preforming module 2 includes a yarn inlet plate 21, a yarn outlet plate 23, an impregnation tank 22 disposed between the yarn inlet plate 21 and the yarn outlet plate 23, and a preforming device 24 disposed downstream of the yarn outlet plate 23; carbon fiber 12 and basalt fiber 13 are respectively inserted through the yarn inlet plate 21 and the yarn outlet plate 23, and are both coated with adhesive in the impregnation tank 22, and the carbon fiber 12 and basalt fiber 13 are squeezed in the preforming device 24 to form a mixed fiber bundle 7; resin is placed in the impregnation tank 22, and a water bath is added below it; the temperature of the water bath is maintained at 25°C to ensure the fluidity of the resin.

[0021] In this embodiment, resin is placed in the impregnation tank 22. The carbon fiber 12 and basalt fiber 13 are immersed in the impregnation tank 22 under the action of the settling platform. The resin-impregnated carbon fiber 12 and basalt fiber 13 move forward under the drag of the traction unit. The preforming device 24 is tapered and compresses the carbon fiber 12 and basalt fiber 13 into a mixed fiber bundle 7.

[0022] In this embodiment, the forming and ribbed module 3 includes a preheating box 31 and a forming and ribbed device 32 disposed downstream of the preheating box 31; the mixed fiber bundle 7 is heated by the preheating box 31 and then passes through the forming and ribbed device 32 to form a wire-lined mixed rib 8.

[0023] The forming and rib-adding device 32 includes a secondary forming device 321, a rib-adding wire frame 322 integrally formed with the secondary forming device 321 and located downstream therefrom, and a rib-adding rod 323 disposed on the rib-adding wire frame 322.

[0024] The preheating box 31 preheats the composite fiber bundles to increase the fluidity and wettability of the resin between the fibers.

[0025] The secondary forming device 321 is linear and performs secondary extrusion on the preheated mixed fiber bundle 7. The secondary forming device 321 performs secondary extrusion on the preheated composite fiber bundle, which promotes secondary distribution of resin between fibers and improves its uniformity.

[0026] In this embodiment, a ribbed wire 33 is provided on the ribbed wire frame 322. The ribbed wire 33 is ribbed on the outside of the mixed fiber bundle 7 through the ribbed rod 323 to form a mixed rib with wire 8. The ribbed wire 33 is spirally ribbed to form ribs with a spiral angle of 40° to 60° and a rib spacing of 1.5 times the diameter of the mixed fiber bundle 7.

[0027] In this embodiment, the curing and shaping module 4 includes a heating and curing chamber 41 and a cooling chamber 42, wherein the wire-contained mixed reinforcement 8 is shaped after passing through the heating and curing chamber 41 and the cooling chamber 42. The curing and shaping module 4 includes a heating and curing chamber 41 and a cooling chamber 42 located downstream of the heating and curing chamber 41. The heating and curing chamber 41 is divided into three regions along the upstream to downstream direction of the process: preheating, gelling, and curing. The temperature of the three regions increases sequentially, forming a temperature gradient.

[0028] In this embodiment, the hybrid reinforcing bar 8 undergoes a gelation reaction in the gelation zone and a polymerization reaction in the curing zone, resulting in resin curing. Then, the cooling box 42 provides a cooling buffer before it reaches room temperature. The heating curing box 41 uses a furnace-type high-temperature curing device for heating and employs heated air to achieve the gelation and curing reactions of the resin. At the same time, a resin collection box is placed at the bottom of the furnace to collect dripping resin and clean it up in a timely manner.

[0029] In this embodiment, the traction module 5 is configured to pull the mixed reinforcing ribs 8, and the cutting and transport module 6 is configured to cut the mixed reinforcing ribs of the transport belt 62 according to the design length. The traction module 5 includes a traction frame 51 and traction rollers 52 arranged on the traction frame 51. The traction rollers 52 are arranged parallel vertically and the mixed reinforcing ribs 8 are threaded through the middle.

[0030] In this embodiment, the cutting and transport module 6 includes a cutting machine 61 and a conveyor belt 62 located downstream of the cutting machine 61. The cutting machine 61 cuts the reinforcing bar 8 according to its designed length and moves it to the stacking area via the conveyor belt 62. The cut reinforcing bar 8 has its winding wire removed, forming a grooved rib on the outer periphery of the reinforcing bar, which is then used as the main reinforcement of the pull-out pile.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hybrid composite bar containing basalt fibers and carbon fibers, characterized in that, It includes a feeding module (1), and sequentially connected downstream of the feeding module (1) are a pre-forming module (2), a forming and rib-winding module (3), a curing and shaping module (4), a traction module (5), and a cutting and transport module (6). The feeding module (1) contains carbon fiber (12) and basalt fiber (13). The impregnation preforming module (2) includes a yarn inlet plate (21), a yarn outlet plate (23), an impregnation tank (22) disposed between the yarn inlet plate (21) and the yarn outlet plate (23), and a preforming device (24) disposed downstream of the yarn outlet plate (23); carbon fiber (12) and basalt fiber (13) are respectively inserted through the yarn inlet plate (21) and the yarn outlet plate (23), and are both filled with adhesive in the impregnation tank (22), and the carbon fiber (12) and basalt fiber (13) are squeezed in the preforming device (24) to form a mixed fiber bundle (7); The forming rib module (3) includes a preheating box (31) and a forming rib-adding device (32) located downstream of the preheating box (31); the hybrid fiber bundle (7) is heated by the preheating box (31) and then passes through the forming rib-adding device (32) to form a wire-lined hybrid rib (8). The curing and shaping module (4) includes a heating curing box (41) and a cooling box (42), wherein the wire-contained mixed ribs (8) are shaped after passing through the heating curing box (41) and the cooling box (42); The traction module (5) is set for pulling the mixed reinforcement (8) of the belt line, and the cutting and transport module (6) is set for cutting the mixed reinforcement of the belt line (62) according to the design length.

2. A system for preparing a hybrid composite bar containing basalt fibers and carbon fibers as claimed in claim 1, wherein, The carbon fiber (12) inside the hybrid reinforcing bar (8) is located in the center, and the carbon fiber (12) is wrapped with basalt fiber (13) on the outer periphery; the carbon fiber (12) and the basalt fiber (13) are connected by adhesive filling.

3. A system for preparing a hybrid composite bar containing basalt fibers and carbon fibers as claimed in claim 2, wherein The feeding module (1) includes a yarn frame (11), on which fiber yarn balls are provided. The fiber yarn balls include carbon fiber (12) and basalt fiber (13). The position and number of fiber yarn balls are adapted to the design position and ratio of carbon fiber (12) and basalt fiber (13).

4. A system for preparing a hybrid composite bar containing basalt fibers and carbon fibers as claimed in claim 3, wherein The yarn inlet plate (21) and yarn outlet plate (23) are provided with round holes, and the round holes are respectively provided for carbon fiber (12) and basalt fiber (13); Resin is placed in the impregnation tank (22), and a water bath is placed below it; the temperature of the water bath is maintained at 25°C; The preforming device (24) is tapered, which extrudes and integrates carbon fiber (12) and basalt fiber (13) into a hybrid fiber bundle (7).

5. The hybrid composite reinforcement preparation system containing basalt fiber and carbon fiber as described in claim 4, characterized in that, The forming and rib-adding device (32) includes a secondary forming device (321), a rib-adding wire frame (322) integrally formed with the secondary forming device (321) and located downstream therefrom, and a rib-adding rod (323) disposed on the rib-adding wire frame (322). Among them, the secondary molding device (321) is straight and the secondary molding device (321) extrudes the preheated mixed fiber bundle (7) twice.

6. A system for preparing a hybrid composite bar containing basalt fibers and carbon fibers as claimed in claim 5, wherein The ribbed wire frame (322) is provided with ribbed wires (33). The ribbed wires (33) are ribbed on the outside of the mixed fiber bundle (7) by the ribbed rods (323) to form a mixed rib with wires (8). The ribbed wires (33) are spirally ribbed to form grooved ribs with a spiral angle of 40° to 60° and a rib spacing of 1.5 times the diameter of the mixed fiber bundle (7).

7. A system for preparing a hybrid composite bar containing basalt fibers and carbon fibers as claimed in claim 6, wherein The curing and shaping module (4) includes a heating curing box (41) and a cooling box (42) located downstream of the heating curing box (41). The heating curing box (41) is divided into three areas along the upstream to downstream direction of the process: preheating, gelling and curing. The temperature of the three areas increases sequentially, forming a temperature gradient.

8. A system for preparing a hybrid composite bar containing basalt fibers and carbon fibers as claimed in claim 7, wherein, The traction module (5) includes a traction frame (51) and a traction roller (52) installed on the traction frame (51). The traction roller (52) is arranged in parallel vertically and connected in the middle with a mixed reinforcing bar (8).

9. A system for preparing a hybrid composite bar containing basalt fibers and carbon fibers as claimed in claim 8, wherein The cutting and transport module (6) includes a cutting machine (61) and a conveyor belt (62) located downstream of the cutting machine (61). The cutting machine (61) cuts according to the design length of the mixed reinforcing bar (8) and moves to the stacking area via the conveyor belt (62).

Images