CN116623876A - FRP reinforcement cage, production equipment and manufacturing method - Google Patents

Abstract

The application relates to a concrete reinforcement cage, and discloses an FRP reinforcement cage, production equipment and a manufacturing method. The FRP reinforcement cage production equipment comprises a composite fiber forming device, a fiber bundle conveying device, a movable workbench, a resin impregnating device, a gum dipping fiber output device and a reinforcement cage forming roller, wherein the gum dipping fiber output device comprises an output guide frame and a grouping guide roller, and can be used for grouping and combining different numbers of composite reinforced fiber bundles to form FRP reinforcement layer bundles which are distributed at intervals. The application also discloses a manufacturing method of the FRP reinforcement cage.

Description

FRP reinforcement cage, production equipment and manufacturing method

Technical Field

The application relates to a concrete reinforcement cage, in particular to an FRP reinforcement cage. The application also relates to FRP rib cage production equipment and a FRP rib cage manufacturing method.

Background

In concrete construction engineering, in order to overcome the defect of low tensile strength of concrete, a steel reinforcement cage is usually put into the concrete, and the steel reinforcement cage is utilized to form constraint on the concrete, so that the tensile property of a concrete structure is improved. The reinforcement cage is generally formed by cross connection of reinforcement, has stronger tensile property, can be matched with a concrete structure, and forms a reinforced concrete structure with excellent compressive property and tensile property. The reinforcement cage can effectively improve the mechanical property of the concrete structure, and is widely applied to concrete construction engineering.

The use of steel bars in reinforced concrete structures also has several problems such as heavy weight, poor durability in aggressive environments, interference with electromagnetic waves, etc. In particular, reinforced concrete built in a marine environment, the reinforcing steel bars in the reinforced concrete can be corroded in an accelerated manner due to continuous invasion of chloride ions in seawater and sea fog, so that the tensile property of the reinforcing steel bars is reduced, and the durability of construction engineering is seriously affected. Therefore, under a specific use environment, FRP reinforcement cages are usually used in the concrete structure instead of reinforcement cages, so that the FRP reinforcement cages are used for improving the tensile property of the concrete engineering structure, and have the advantages of light dead weight, good durability, no interference to electromagnetic waves and the like.

The existing FRP reinforcement cage is manufactured by adding resin glue into reinforced fiber bundles, manufacturing FRP longitudinal ribs and FRP stirrups through a die, and binding and connecting the FRP longitudinal ribs and the FRP stirrups to form the FRP reinforcement cage. Because the FRP longitudinal bars and the FRP stirrups are not bound by using a metal structure generally, the binding process is complex, the binding firmness is poor, and the stability of the FRP reinforcement cage structure is affected.

Disclosure of Invention

In order to improve stability of an FRP reinforcement cage structure, the application provides an FRP reinforcement cage, production equipment and a manufacturing method.

The FRP rib cage provided by the application adopts the following technical scheme:

the utility model provides a FRP muscle cage, includes the FRP muscle of mutual cross connection, the FRP muscle includes a plurality of reinforcing fiber layers by the resin cladding, the intersection junction department of FRP muscle is different trend the reinforcing fiber layer is crisscross between the layer by layer to by the resin cladding forms an organic whole structure.

By adopting the technical scheme, the reinforced fiber layers in the FRP ribs with different directions are staggered layer by layer to form the connection points among the mutually crossed FRP ribs, so that the FRP ribs with different directions at the connection points are connected through the self structure, the connection of the FRP ribs by using a specific binding structure or a connection clamp is avoided, the connection procedure is simplified, and the accuracy of the connection point position is improved; utilize the different reinforcing fiber layer in cross connection point department of resin cladding FRP muscle, form the integrative structure of FRP muscle and FRP muscle cross connection point after the resin solidification for the structural stability of cross connection point is higher, avoids the deviation of FRP muscle cage tie point that FRP muscle ligature formed, and FRP muscle cage transportation, the skew of FRP muscle cage tie point in the use.

In a specific embodiment, the reinforcing fiber layer includes a plurality of composite reinforcing fiber bundles formed by mixing glass fibers, carbon fibers and polypropylene fibers.

By adopting the technical scheme, the high tensile strength and the strong corrosion resistance of the glass fiber are utilized, so that the tensile strength and the corrosion resistance of the composite reinforced fiber bundle are ensured; the high tensile strength and the high specific modulus of the carbon fiber are utilized, so that the flexibility of the composite reinforced fiber bundle can be improved while the tensile strength of the composite reinforced fiber bundle is ensured; the high strength and high elasticity of the polypropylene fiber are utilized, so that the composite reinforced fiber bundle can be processed and molded, and the processing performance of the composite reinforced fiber bundle is improved.

In a specific embodiment, at least one fiber of the composite reinforcing fiber bundle is subjected to a silane coupling agent impregnation treatment.

By adopting the technical scheme, the composite reinforced fiber formed by the fiber after being impregnated by the silane coupling agent can form grafting on the surface of the fiber, so that the bonding strength of the contact interface between the composite reinforced fiber and the resin is improved, and the structural strength of the FRP reinforcement cage is improved.

The FRP reinforcement cage production equipment provided by the application adopts the following technical scheme:

The application provides FRP reinforcement cage production equipment, which is used for producing the FRP reinforcement cage, and comprises a composite fiber forming device, a fiber bundle conveying device, a movable workbench, a resin impregnating device, a gum dipping fiber output device and a reinforcement cage forming roller, wherein the composite fiber forming device can extract a set number of reinforcing fibers and mix the reinforcing fibers to form a reinforcing fiber bundle; the fiber bundle conveying device can convey the composite reinforcing fiber bundles to the movable workbench; the movable workbench is arranged on one side of the reinforcement cage forming roller and can reciprocate along the axial direction of the reinforcement cage forming roller; the resin impregnation device is arranged on the movable workbench and can impregnate resin into the composite reinforced fiber bundles; the gum dipping fiber output device is arranged on the movable workbench and is positioned between the resin dipping device and the reinforcement cage forming roller, the gum dipping fiber output device comprises an output guide frame and a grouping guide roller, the output guide frame is arranged on one side, adjacent to the resin dipping device, of the grouping guide roller, a plurality of fiber guide grooves are formed in the output guide frame, the grouping guide roller is rotatably arranged on the movable workbench, a plurality of groups of grouping guide teeth are arranged on the grouping guide roller, and different numbers of composite reinforced fiber bundles can be combined in a grouping mode to form FRP reinforcement layer bundles distributed at intervals; the reinforcement cage forming roller can rotate at a set speed, and the FRP reinforcement layer bundles are wound on the reinforcement cage forming roller to form the FRP reinforcement.

By adopting the technical scheme, the FRP rib layer bundles can be wound on the rib cage forming roller at different running direction layering intervals by utilizing the reciprocating movement of the movable workbench arranged at one side of the rib cage forming roller and matching with the rotation of the rib cage forming roller, so that the FRP rib cage with a plurality of reinforcing fiber layers is formed; by means of the arrangement of the resin impregnation device, resin can be coated on the periphery of the composite reinforced fiber bundles, and finally the resin coated reinforced fiber layer structure of the FRP reinforcement cage is formed; by means of the arrangement of the grouping guide rollers, the composite reinforced fiber bundles with different numbers can be grouped and combined to form FRP rib layer bundles distributed at intervals, and accordingly the width of FRP ribs of the FRP rib cage and the distance between adjacent FRP ribs can be controlled.

In a specific implementation manner, the resin impregnation device comprises a fiber input mechanism, a resin impregnation tank, a fiber pressing and impregnating mechanism and a scraping mechanism, wherein the fiber input mechanism is arranged at one end of the resin impregnation tank and comprises an input guide wire plate and a comb-shaped guide wire rod, the input guide wire plate is arranged at one side, far away from the resin impregnation tank, of the comb-shaped guide wire rod, a plurality of guide wire holes for the composite reinforced fiber bundles to pass through are formed in the input guide wire plate, the comb-shaped guide wire rod comprises a plurality of guide wire grooves for accommodating the composite reinforced fiber bundles, the guide wire grooves are in one-to-one correspondence with the guide wire holes, the fiber pressing and impregnating mechanism is arranged at the position of the resin impregnation tank and can limit the composite reinforced fiber bundles to pass through the resin impregnation tank, and the scraping mechanism is arranged at one end, opposite to the fiber input mechanism, of the resin impregnation tank and the resin scraping mechanism can scrape part of the resin in the composite reinforced fiber bundles.

By adopting the technical scheme, the input yarn guide plate and the comb yarn guide strip are utilized to guide the plurality of composite reinforced fiber bundles respectively, so that independent gum dipping treatment and grouping combination of different numbers of the plurality of composite reinforced fiber bundles are facilitated; the fiber pressing and dipping mechanism and the glue scraping mechanism are utilized to control the content of the resin dipped into the composite reinforced fiber bundles, so that the proportion of the composite reinforced fiber bundles to the resin in the FRP reinforcement cage can be controlled, and the mechanical property of the FRP reinforcement cage is determined.

In a specific implementation manner, the fiber pressing and soaking mechanism comprises a pressing and soaking installation frame, a lifting and adjusting structure, a lifting and adjusting installation frame, a first pressing rod, a second pressing rod frame, a second pressing rod, an adjusting rod and an amplitude adjusting structure, wherein the pressing and soaking installation frame is fixed on two sides of the resin soaking groove adjacent to the end where the fiber input mechanism is located, the lifting and adjusting installation frame is installed on the pressing and soaking installation frame through the lifting and adjusting structure, the installation height of the lifting and adjusting installation frame can be adjusted through the lifting and adjusting structure, the first pressing rod frame and the second pressing rod frame are hinged to the lifting and adjusting installation frame respectively, one ends of the first pressing rod frame and the second pressing rod frame are hinged to the adjusting rod respectively, the other end of the first pressing rod frame is fixedly connected with the first pressing rod, the other end of the second pressing rod frame is fixedly connected with the second pressing rod, and the amplitude adjusting structure is arranged between the lifting and the adjusting rod, and the distance between the lifting and adjusting rod can be adjusted.

By adopting the technical scheme, the first compression bar and the second compression bar can limit the reinforced fiber bundles in the resin impregnation tank, so that the resin is impregnated among a plurality of reinforced fibers of the reinforced fiber bundles to form the coating of the resin on the reinforced fiber bundles; the height of the first pressure rod and the second pressure rod can be adjusted by utilizing the lifting adjusting structure, namely the depth of the first pressure rod and the second pressure rod entering the resin impregnation tank is adjusted, so that the reinforced fiber bundles between the first pressure rod and the second pressure rod can be completely impregnated in the resin; the distance between the first compression bar and the second compression bar can be adjusted by utilizing the amplitude adjusting structure, so that the length and the impregnation time of the reinforcing fiber bundles in the resin are adjusted, and the sufficiency and the resin impregnation amount of the resin in the reinforcing fiber bundles are controlled.

In a specific implementation, the scraping mechanism comprises a scraping installation frame, a scraping bottom plate, a scraping adhesive tape, a pressing roller, a first pressing rod, a second pressing rod, a pressing rod frame and a pressing rod adjusting mechanism, wherein the scraping installation frame is fixed at one end of the resin impregnation tank, the scraping bottom plate is fixed at the lower part of the scraping installation frame and extends obliquely downwards to the resin impregnation tank, the scraping adhesive tape is installed above the scraping bottom plate and can be abutted against the scraping bottom plate, the pressing roller is rotatably installed on the scraping installation frame, the pressing rod frame is installed on the scraping installation frame through the pressing rod adjusting mechanism, and the first pressing rod and the second pressing rod are installed on the pressing rod frame and are positioned at two sides of a pressing roller rotating shaft.

By adopting the technical scheme, the resin in the reinforced fiber bundles can be primarily scraped by using the rubber scraping adhesive tape, so that the content of the resin in the reinforced fiber bundles is reduced, and excessive resin pressed out by the rubber pressing rod is prevented from penetrating into the reinforced fiber bundles again; the pressure between the first glue pressing rod and the second glue pressing rod and the glue pressing roller can be regulated by utilizing the pressure rod regulating mechanism, so that the content of resin in the reinforced fiber bundle is controlled after glue is pressed by the first glue pressing rod and the second glue pressing rod; the resin scraped from the reinforced fiber bundles by the rubber scraping adhesive tape, the first rubber pressing rod and the second rubber pressing rod can be guided back into the resin impregnation tank by the rubber scraping bottom plate, so that the utilization rate of the resin is improved, and the waste of the resin is reduced.

In a specific embodiment, the composite fiber forming device includes a plurality of fiber shaft frame units, a fiber bundle forming ring and fiber bundle guiding rods, wherein each fiber shaft frame unit is provided with a plurality of fiber shaft storage positions, a yarn guide is arranged above each fiber shaft storage position, the fiber bundle forming ring is arranged at one ends of the plurality of fiber shaft frame units, the number of the fiber bundle forming rings corresponds to that of the fiber shaft frame units, and the fiber bundle guiding rods are arranged at one side, away from the fiber shaft frame units, of the fiber bundle forming ring, and comprise upper guiding rods and lower guiding rods which are arranged in parallel.

By adopting the technical scheme, a plurality of fiber shaft storage positions arranged on each fiber shaft frame unit are utilized, and a wire guide is arranged above each fiber shaft storage position, so that a strand of reinforcing fibers can be extracted from the fiber shaft arranged at each fiber shaft storage position, and the continuous extraction of a plurality of strands of reinforcing fibers mutually independently is ensured; a plurality of fiber shaft frame units and a plurality of fiber bundle forming rings on the composite fiber forming device are utilized, so that a plurality of reinforced fibers extracted from each fiber shaft frame unit can be combined to form a plurality of composite reinforced fiber bundles; the upper guide-out rod and the lower guide-out rod which are arranged in parallel are utilized to buffer the extraction force of the composite reinforced fiber bundles, so that the uniformity of the extraction speed of the composite reinforced fiber bundles is ensured.

The FRP reinforcement cage manufacturing method provided by the application adopts the following technical scheme:

the application provides a manufacturing method of an FRP reinforcement cage, which is used for manufacturing the FRP reinforcement cage provided by the application and comprises the following steps: s10: combining the plurality of reinforcing fibers to form a composite reinforcing fiber bundle; s20: adding resin into the composite reinforced fiber bundles to form glued reinforced fiber bundles; s30: grouping and combining the glued reinforced fiber bundles to form FRP rib layer bundles; s40: winding FRP rib layer bundles at intervals in a reciprocating manner to form an FRP rib layer formed by crossing the FRP rib layer bundles; s50: repeatedly superposing and winding FRP rib layer bundles on the FRP rib layer to form an FRP rib cage formed by FRP rib cross connection.

By adopting the technical scheme, the FRP rib layers containing different numbers of reinforcing fiber bundles can be formed by grouping and combining the glued reinforcing fiber bundles, so that FRP ribs with different widths can be obtained; the FRP rib layer bundles are wound at intervals in a reciprocating manner, so that the directions of the reinforcing fiber layers are different and mutually crossed, and a connecting structure of staggered arrangement of the reinforcing fiber layers with different directions layer by layer is formed at the crossing point; the FRP rib layer bundles are repeatedly overlapped and wound on the FRP rib layer, so that the structure that the FRP ribs are coated with the resin and a plurality of reinforcing fiber layers is formed, and the structural strength of the FRP rib cage and the stability of the connecting structure are ensured.

In a specific embodiment, the method of the present application further comprises the steps of: s5: carrying out silane coupling agent impregnation treatment on the reinforced fibers; in S10, the reinforcing fibers include glass fibers, carbon fibers, and polypropylene fibers.

By adopting the technical scheme, the method for carrying out silane coupling agent impregnation treatment on the reinforced fibers can form grafts on the surfaces of the reinforced fibers, so that the bonding strength of the contact interface between the composite reinforced fiber bundles and the resin is improved, and the structural strength of the FRP reinforcement cage is improved; by using the method of mixing glass fibers, carbon fibers and polypropylene fibers together to form the composite reinforced fiber bundle, the tensile strength of the composite reinforced fiber bundle can be ensured, and meanwhile, the flexibility of the composite reinforced fiber bundle can be improved, so that the processability of the composite reinforced fiber bundle can be improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by utilizing the structure that a plurality of reinforcing fiber layers in FRP ribs with different directions are staggered layer by layer, connection among the FRP ribs with different directions can be formed without external binding wires or connecting devices, the process of binding and fixing the FRP longitudinal ribs and the FRP stirrups by the traditional FRP rib cage is omitted, the processing process of the FRP rib cage is simplified, deviation of fixed positions caused by manual binding is avoided, and the precision of FRP rib connecting points and the stability of connecting structures are improved;

2. the FRP rib formed by coating a plurality of reinforcing fiber layers with resin and the connection structure integrated with the FRP rib formed by coating reinforcing fiber layers with different directions with resin effectively improve the connection strength at the connection point of the FRP rib and the stability of the connection structure, and greatly ensure the mechanical property of the FRP rib cage;

3. the method has the advantages that the grouped guide rollers are utilized to group and combine the plurality of glued composite reinforced fiber bundles, the number of the composite reinforced fiber bundles in each reinforced fiber layer and the interval between adjacent FRP ribs are controlled, so that FRP rib cages with different specifications can be produced by utilizing the production equipment, and the applicability of the production equipment is improved;

4. The method for forming the FRP rib layer by utilizing the reciprocating cross winding of the FRP rib layer bundles can enable the composite reinforced fiber bundles in the FRP rib layers with different directions to be crossed with each other, and the FRP rib cage formed by the cross-connected FRP ribs is formed after the resin is solidified through the repeated superposition of the different FRP rib layers.

Drawings

Fig. 1 is a schematic view of an embodiment of the FRP reinforcement cage of the present application.

Fig. 2 is a schematic diagram of the internal structure of the cross connection point of the FRP reinforcement of the portion a in fig. 1.

Fig. 3 is a schematic view of an embodiment of the FRP reinforcement cage production apparatus of the present application.

Fig. 4 is a schematic diagram of a gum dipping fiber output device in an embodiment of the FRP reinforcement cage production apparatus of the present application.

Fig. 5 is a schematic view of grouping guide rollers in an embodiment of the FRP reinforcement cage production apparatus of the present application.

Fig. 6 is a schematic view of a resin impregnation apparatus in one embodiment of the FRP reinforcement cage production apparatus of the present application.

Fig. 7 is a schematic view of a fiber pressing and impregnating mechanism in an embodiment of the FRP reinforcement cage production apparatus of the present application.

Fig. 8 is a schematic diagram of a scraping mechanism in an embodiment of the FRP reinforcement cage production apparatus of the present application.

Fig. 9 is a schematic view of a composite fiber forming apparatus in an embodiment of the FRP reinforcement cage production apparatus of the present application.

Fig. 10 is a flow chart of an embodiment of the method for manufacturing the FRP reinforcement cage of the present application.

Reference numerals illustrate: 1. FRP ribs; 11. a resin; 12. a reinforcing fiber layer; 2. a composite fiber forming device; 21. a fiber shaft frame unit; 211. a wire guide; 22. forming a fiber bundle into a loop; 23. a fiber bundle guide rod; 231. an upper guide rod; 232. a lower guide rod; 3. a fiber bundle conveying device; 31. a fiber transfer rack; 32. a fiber transfer plate; 4. a movable table; 41. a platform rail; 5. a resin impregnation device; 51. a fiber input mechanism; 511. inputting a wire guide plate; 512. comb-shaped yarn guiding strip; 52. a resin impregnation tank; 53. a fiber pressing and soaking mechanism; 531. pressing and immersing the mounting frame; 532. a lifting adjusting structure; 533. lifting the mounting frame; 534. a first press bar frame; 535. a first compression bar; 536. a second press bar frame; 537. a second compression bar; 538. an adjusting rod; 539. an amplitude adjustment structure; 54. a scraping mechanism; 541. a scraping mounting rack; 542. a scraping bottom plate; 543. scraping adhesive tape; 544. a glue roller; 545. a first glue pressing rod; 546. a second glue pressing rod; 547. a rubber pressing rod frame; 548. a compression bar adjusting mechanism; 6. A gum dipping fiber output device; 61. an output guide frame; 611. a fiber guiding groove; 62. grouping guide rollers; 621. grouping guide teeth; 7. a reinforcement cage forming roller; 71. forming a roller frame; 72. rotating the mounting base; 73. a rotary driving mechanism.

Detailed Description

The following describes specific embodiments of the present application in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the application, are not intended to limit the application.

In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly via an intermediate medium, or in communication with each other or in interaction with each other. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In this specification, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and thus features defining "first," "second," or the like, may explicitly or implicitly include one or more of such features.

An embodiment of the FRP reinforcement cage of the present application, as shown in FIGS. 1 and 2, is formed by mutually cross-connecting FRP reinforcement bars 1 inclined in different directions. The FRP rib 1 inclined in the same direction may have a single spiral structure formed by spirally extending the same FRP rib 1, or may have a multi-spiral structure formed by spirally extending a plurality of FRP ribs 1. The FRP tendons 1 inclined in different directions may be formed by turning the same FRP tendons 1. The adjacent FRP ribs 1 are arranged at intervals, and a gap with a set distance is formed between the adjacent FRP ribs 1. The FRP ribs 1 inclined towards different directions are connected in a cross way to form a hollow and netlike FRP rib cage. The wall of the FRP reinforcement cage is usually formed in a cylindrical shape, or may be formed in a cylindrical structure having another shape such as a square cylindrical shape or a polygonal cylindrical shape.

The FRP rib 1 is formed by cladding a plurality of reinforcing fiber layers 12 in a resin 11, and the resin 11 cures and connects the reinforcing fiber layers 12 together to form the integral FRP rib 1. In the FRP rib 1, the extending direction of the fibers in the reinforcing fiber layer 12 is the same as the extending direction of the FRP rib 1; at the cross connection point between the FRP ribs 1, the reinforcing fiber layers 12 in the FRP ribs 1 from different oblique directions pass through the cross connection point area along the original trend, and are staggered layer by layer in the cross connection point area. The resin 11 coats the FRP rib 1 and the reinforced fiber layer 12 in the cross connection point area thereof, so that the cross connection point of the FRP rib 1 and the FRP rib 1 form an integrated structure. The resin 11 is usually an epoxy resin, preferably an epoxy resin having an epoxy value of 28 to 36, and a vinyl ester resin, a phenolic resin, or the like may be used.

Thus, the FRP ribs 1 form the connection between different FRP ribs 1 through the self structure, so that the FRP ribs 1 do not need to be fixedly connected by using binding wires, hoops or connecting pieces, the connection between the FRP ribs 1 is convenient, and the integral connection between the FRP ribs 1 and the connecting points greatly improves the position precision of the connecting points of the FRP ribs 1 and the stability of the connecting structure.

The FRP reinforcement cage is generally used in concrete construction engineering and is used for manufacturing concrete foundation piles, bridges, buildings and the like in special environments. When the FRP reinforcement cage is used, the FRP reinforcement cage with the set shape and size is placed at a construction position, concrete is injected, and the concrete enters the inside of the FRP reinforcement cage through meshes on the FRP reinforcement cage. The FRP rib cage can form constraint on the concrete structure, the tensile property of the concrete structure is improved, the self weight of the concrete structure is reduced by the conventional FRP rib cage, the corrosion resistance of the concrete structure is improved, the effect of the concrete structure on electromagnetic waves is reduced, and stable tensile force can be provided in different directions by utilizing the connection point formed by integrally connecting the FRP ribs 1, so that the multidimensional tensile property of the concrete structure is improved.

In some embodiments of the FRP reinforcement cage of the present application, as shown in fig. 2, each reinforcing fiber layer 12 includes a plurality of composite reinforcing fiber bundles, which are wet-coated with a resin 11, forming a layered structure in the resin 11. Each composite reinforcing fiber bundle is formed by mixing glass fibers, carbon fibers and polypropylene fibers, wherein the maximum use amount of the glass fibers is generally 70-90%, and the use amount of the carbon fibers and the polypropylene fibers is generally 5-15%.

In a preferred embodiment of the FRP reinforcement cage of the present application, at least one of the fibers used in the composite reinforcing fiber bundles is used after impregnation treatment with a silane coupling agent. Typically, the glass fibers, or the polypropylene fibers, may be subjected to an impregnation treatment using a silane coupling agent.

Specifically, dimethyl imidazole and 3-aminopropyl triethoxy silane can be added into 50W/W% alcohol solution to form 5% silane coupling agent solution, then glass fiber or polypropylene fiber is soaked in the silane coupling agent solution for 30 minutes, taken out for treatment at 110 ℃ for 2 hours, and then the glass fiber or polypropylene fiber is dried for use after ultrasonic cleaning in acetone.

The FRP reinforcement cage production equipment is used for producing the FRP reinforcement cage provided by any embodiment of the application. An embodiment of the FRP reinforcement cage production facility of the present application, as shown in FIG. 3, comprises a composite fiber forming apparatus 2, a fiber bundle conveying apparatus 3, a moving table 4, a resin impregnation apparatus 5, a dip fiber output apparatus 6, and a reinforcement cage forming roll 7.

The composite fiber forming apparatus 2 is for extracting a desired number of reinforcing fibers from a plurality of fiber reels and mixing together a plurality of reinforcing fibers to form a composite reinforcing fiber bundle. The composite fiber forming apparatus 2 is typically disposed in a separate working space remote from the moving table 4 to reduce escape of fiber dust generated when extracting and mixing the plurality of reinforcing fibers, and to prevent inhalation dust from damaging the health of the operator.

The fiber bundle conveyance device 3 is provided between the composite fiber forming device 2 and the movable table 4, and is configured to convey the composite fiber forming device 2 to the movable table 4 to perform a subsequent process. In general, the fiber bundle conveying device 3 includes a plurality of fiber conveying frames 31, and a fiber conveying plate 32 provided on the fiber conveying frames 31. The fiber conveying frames 31 are arranged at intervals on the conveying path of the composite reinforced fiber bundles from the composite fiber forming device 2 to the movable table 4, and one fiber conveying plate 32 is arranged on the top of each fiber conveying frame 31 to fix and position the fiber conveying plate 32. The fiber conveying plates 32 are provided with a plurality of fiber bundle positioning holes in an array manner, each composite reinforcing fiber bundle passes through one fiber bundle positioning hole corresponding to the position on the plurality of fiber conveying plates 32, smooth conveying of the plurality of composite reinforcing fiber bundles from the composite fiber forming device 2 to the movable workbench 4 is ensured, and mutual winding of the plurality of composite reinforcing fiber bundles in the conveying process is prevented.

The movable workbench 4 is an objective table arranged on one side of the reinforcement cage forming roller 7, and the movable workbench 4 can reciprocate along the axial direction of the reinforcement cage forming roller 7 and is used for winding composite reinforced fiber bundles soaked in resin at different positions on the reinforcement cage forming roller 7 to form FRP reinforcement cages. Normally, a platform rail 41 parallel to the rotation axis of the cage forming roller 7 is provided on the ground on the side of the cage forming roller 7, and the moving table 4 is mounted on the platform rail 41 and is capable of reciprocating along the platform rail 41 by a driving mechanism. The size of the space between the FRP bars 1 in the manufactured FRP bar cage can be controlled by controlling the moving speed of the moving workbench 4.

A resin impregnation device 5 is provided on the moving table 4 for impregnating resin into the composite reinforcing fiber bundles to form glued reinforcing fiber bundles.

The gum dipping fiber output device 6 is arranged on the movable workbench 4 and is positioned between the resin dipping device 5 and the reinforcement cage forming roller 7, and a plurality of glued reinforced fiber bundles can be grouped and combined according to the design requirement of the width of the FRP reinforcement 1 to form an FRP reinforcement layer bundle which can be wound on the reinforcement cage forming roller 7 to form a reinforced fiber layer 12.

As shown in fig. 4, the impregnated fiber output device 6 includes an output guide frame 61 and a grouping guide roller 62, the output guide frame 61 and the grouping guide roller 62 being juxtaposed, the output guide frame 61 being provided on a side of the grouping guide roller 62 adjacent to the resin impregnation device 5. The output guide frame 61 is provided with a plurality of fiber guide grooves 611, and the plurality of impregnated reinforcing fiber bundles impregnated in the resin impregnation apparatus 5 are guided by the output guide frame 61 and then enter the grouping guide roller 62 to be grouped and combined. After the plurality of the rubberized reinforcing fiber bundles reach the output guide frame 61, each rubberized reinforcing fiber bundle passes through one fiber guide groove 611, so that the plurality of rubberized reinforcing fiber bundles are conveyed to the grouping guide roller 62 in a manner of being arranged at intervals among the rubberized reinforcing fiber bundles, and the grouping guide roller 62 is convenient for independently processing different rubberized reinforcing fiber bundles.

The group guide roller 62 is rotatably mounted on the movable table 4 via a mounting bracket, and is rotatable by a driving device such as a servo motor. As shown in fig. 5, the grouping guide roller 62 is provided with a plurality of groups of grouping guide teeth 621, typically 2-4 groups of grouping guide teeth 621, each group of grouping guide teeth 621 being disposed at a different radial position on the grouping guide roller 62. The bundle of the rubberized reinforcing fibers conveyed from the output guide frame 61 passes under the grouping guide roller 62 and is wound around the reinforcement cage forming roller 7. By controlling the rotation angle of the grouping guide roller 62, it is possible to rotate the grouping guide teeth 621 of different groups below the grouping guide roller 62 for grouping and merging the rubberized reinforcing fiber bundles. The grouping guide teeth 621 of different groups are disposed at different axial positions of the grouping guide roller 62 and form different axial offsets in the radial direction, so that different numbers of the glued reinforcing fiber bundles can be combined together to form FRP rib layer bundles with a set width and distributed at set intervals.

The rib cage forming rollers 7 are usually mounted on the forming roller frames 71, the forming roller frames 71 are arranged at two ends of the rib cage forming rollers 7, rotary mounting seats 72 are arranged on the forming roller frames 71, the rotary mounting seats 72 are rotatably mounted on the forming roller frames 71, the rotary mounting seats 72 on the two forming roller frames 71 are oppositely arranged, at least one forming roller frame 71 is provided with a rotary driving mechanism 73, the rotary driving mechanism 73 is usually a driving motor, and the rotary driving mechanism 73 is in driving connection with the rotary mounting seats 72. The two ends of the reinforcement cage forming roller 7 are detachably fixed to the rotation mount 72, and can rotate at a set speed together with the rotation mount 72 by the rotation drive mechanism 73. The rotating speed of the reinforcement cage forming roller 7 and the moving workbench 4 is controlled, so that the position of the FRP reinforcement layer bundles wound on the reinforcement cage forming roller 7 can be controlled, and the inclination direction and the inclination degree of the FRP reinforcement 1 formed by the multi-layer winding of the FRP reinforcement layer bundles and the spiral distance between the FRP reinforcement 1 are controlled.

When the FRP tendon is wound around the cage forming roller 7, a plurality of FRP tendons are usually simultaneously fed from the grouping guide roller 62, and the pitch between the FRP tendons is determined by the structure of the grouping guide roller 62. When the reinforcement cage forming roller 7 rotates for one circle, the FRP reinforcement layer bundles which are wound on the reinforcement cage forming roller 7 and are positioned at the rearmost of the moving direction of the moving table 4 are generally enabled to be positioned in front of the FRP reinforcement layer bundles which are wound on the reinforcement cage forming roller 7 and are positioned at the foremost of the moving direction of the moving table 4 by the set distance through the movement of the moving table 4. The set distance is generally equal to the winding pitch of the plurality of FRP tendon bundles simultaneously output by the grouping guide roller 62 on the tendon cage forming roller 7, so that the pitches among the FRP tendons 1 in the produced FRP tendon cage are equal.

Before the FRP rib layer bundles are wound, a release agent is coated on the rib cage forming roller 7 generally, or a layer of release film is coated on the rib cage forming roller 7, so that the FRP rib cage manufactured by the method is conveniently taken off from the rib cage forming roller 7 after the FRP rib layer bundles are completely wound and the resin is cured. The structure that both ends of muscle cage shaping roller 7 detachably fix on rotatory mount pad 72 has guaranteed that muscle cage shaping roller 7 can dismantle from rotatory mount pad 72, and not only the FRP muscle cage of being convenient for is taken down from muscle cage shaping roller 7, but also can be after the whole winding of FRP muscle layer bundle, takes down muscle cage shaping roller 7 and places separately, waits for the resin solidification. In addition, one reinforcement cage forming roller 7 is fixed on the rotary mounting seat 72, so that the next FRP reinforcement cage is manufactured, and the manufacturing efficiency of the FRP reinforcement cage is improved.

In a preferred embodiment of the FRP reinforcement cage production apparatus of the present application, as shown in fig. 4 and 6, the resin impregnation device 5 includes a fiber input mechanism 51, a resin impregnation tank 52, a fiber press impregnation mechanism 53, and a doctor mechanism 54. The fiber input mechanism 51 is disposed at an end of the resin impregnation tank 52 remote from the gabion formation roller 7. The fiber input mechanism 51 includes an input yarn guide plate 511 and a comb-shaped yarn guide 512, the comb-shaped yarn guide 512 being disposed adjacent to the resin impregnation tank 52, the input yarn guide plate 511 being disposed on a side of the comb-shaped yarn guide 512 remote from the resin impregnation tank 52. The input yarn guide plate 511 is provided with a plurality of yarn guide holes, and a plurality of composite reinforcing fiber bundles from the fiber bundle conveyance device 3 pass through one yarn guide hole to reach the comb-shaped yarn guide 512. The comb-shaped yarn guide 512 is provided with a plurality of upwardly extending comb-shaped teeth, and yarn guide grooves are formed between adjacent comb-shaped teeth, and a plurality of composite reinforcing fiber bundles respectively pass through one yarn guide groove and enter the resin impregnation groove 52 for resin impregnation.

The resin impregnation tank 52 is a tank-type container provided on the movable table 4 for holding liquid resin. Resin impregnation tank 52 may be provided in a variety of different shapes, generally rectangular, with comb-shaped yarn guide 512 disposed parallel to the short sides of rectangular resin impregnation tank 52, such that the composite reinforcing fiber bundles enter from one short side of resin impregnation tank 52 and exit from the other short side, thereby enabling an extension of the impregnation length and impregnation time of the composite reinforcing fiber bundles in resin impregnation tank 52.

The fiber pressing and impregnating mechanism 53 is provided across the resin impregnation tank 52 for pressing the composite reinforcing fiber bundles in the resin impregnation tank 52, passing through the inside of the liquid resin so that the liquid resin sufficiently impregnates the composite reinforcing fiber bundles to form the rubberized reinforcing fiber bundles.

The doctor blade mechanism 54 is provided at a side edge of the resin impregnation tank 52, at an end opposite to the fiber input mechanism 51. The scraping mechanism 54 can scrape part of resin immersed in the glued reinforced fiber bundles, on one hand, can prevent excessive resin in the glued reinforced fiber bundles from flowing out when the glued reinforced fiber bundles are wound on the reinforcement cage forming roller 7, and can seal the pores among the formed FRP ribs 1; on the other hand, the proportion of the composite reinforced fiber bundles and the resin in the formed FRP reinforcement cage can be controlled, so that the mass ratio of the resin in the glued reinforced fiber bundles is 25-30%.

As a specific embodiment of the FRP reinforcement cage production apparatus of the present application, as shown in fig. 7, the fiber impregnation mechanism 53 includes an impregnation mounting frame 531, a lifting adjustment structure 532, a lifting mounting frame 533, a first pressing rod frame 534, a first pressing rod 535, a second pressing rod frame 536, a second pressing rod 537, an adjustment rod 538, and an amplitude adjustment structure 539.

The impregnation mount 531 is fixed to both sides of the resin impregnation tank 52 adjacent to the end where the fiber input mechanism 51 is located, and when the resin impregnation tank 52 is rectangular, the impregnation mount 531 is fixed to the movable table 4 on both sides of the long side of the impregnation mount 531. The elevation adjustment structure 532 is fixed on the immersion mount 531, and both ends of the elevation mount 533 are mounted on the elevation adjustment structure 532, and the elevation of both ends of the elevation mount 533 with respect to the immersion mount 531 can be adjusted by the elevation adjustment structure 532. The lifting adjustment structure 532 may be a screw adjustment structure, a gear adjustment structure, a hydraulic adjustment structure, etc., and the lifting adjustment structure 532 may be adjusted by manual or electric driving.

The two ends of the lifting installation frame 533 are respectively hinged with a first pressing rod frame 534 and a second pressing rod frame 536, one ends of the first pressing rod frame 534 and the second pressing rod frame 536 are respectively provided with a connecting chute, and fixing bolts are used for penetrating through the connecting chutes on the first pressing rod frame 534 and the second pressing rod frame 536, and the first pressing rod frame 534 and the second pressing rod frame 536 at each end of the lifting installation frame 533 are respectively connected with one corresponding end of the adjusting rod 538. The other end of first pole frame 534 and first depression bar 535 fixed connection, the other end and the second depression bar 537 fixed connection of second pole frame 536 for first pole 535 fixed connection is between the first pole frame 534 at lift mounting bracket 533 both ends, and second depression bar 537 fixed connection is between the second pole frame 536 at lift mounting bracket 533 both ends.

The middle part of lift mounting bracket 533 is the hack lever of connecting two tip, and range adjustment structure 539 sets up in the middle part of hack lever, and is connected with the middle part of adjusting the pole 538. Likewise, the amplitude adjusting structure 539 may be a screw adjusting structure, a gear adjusting structure, a hydraulic adjusting structure, or the like, and the distance between the connector rod and the adjusting rod 538 can be adjusted by the amplitude adjusting structure 539, thereby adjusting the distance between the first lever 535 and the second lever 537.

The composite reinforced fiber bundles pass through the lower parts of the first compression bar 535 and the second compression bar 537, and the lifting mounting frame 533 is adjusted to adjust the heights of the first compression bar frame 534 and the second compression bar frame 536 which are mounted on the lifting mounting frame 533, and the first compression bar 535 fixed on the first compression bar frame 534 and the second compression bar 537 fixed on the second compression bar frame 536, thereby ensuring that the composite reinforced fiber bundles between the first compression bar 535 and the second compression bar 537 can be soaked in the liquid resin contained in the resin impregnation tank 52; adjusting the amplitude adjustment structure 539 can adjust the length of the composite reinforcing fiber bundle between the first lever 535 and the second lever 537, thereby adjusting the time that the composite reinforcing fiber bundle passes through the liquid resin, i.e., the time that the resin impregnates the composite reinforcing fiber bundle.

In some embodiments of the FRP reinforcement cage production apparatus of the present application, as shown in fig. 8, the doctor mechanism 54 includes a doctor mounting frame 541, a doctor base 542, a doctor strip 543, a glue roller 544, a first glue bar 545, a second glue bar 546, a glue bar frame 547, and a compression bar adjustment mechanism 548.

The doctor blade mounting brackets 541 are fixed to the resin impregnation tank 52 at the end opposite the fiber feed mechanism 51 and are located externally on opposite sides of the resin impregnation tank 52. A doctor blade 542 is fixed to a lower portion of the doctor blade mounting frame 541, extends obliquely downward from the doctor blade mounting frame 541 to the resin impregnation tank 52, and is connected to an edge of the resin impregnation tank 52. Both ends of the glue spreading tape 543 are mounted on the side edges of the glue spreading base plate 542, and the lower side edge of the glue spreading tape 543 abuts against the glue spreading base plate 542 by means of elasticity of the glue spreading tape 543. The glued reinforced fiber bundles formed by the composite reinforced fiber bundles after being immersed in the resin pass through the glue scraping bottom plate 542 and the lower part of the glue scraping adhesive tape 543, the glue scraping adhesive tape 543 is used for primarily scraping the resin adhered on the glued reinforced fiber bundles, the resin content in the glued reinforced fiber bundles is reduced, and the accurate control of the resin content in the glued reinforced fiber bundles in the subsequent process is facilitated. The scraped resin flows back into the resin impregnation tank 52 along the inclined doctor blade 542, reducing the waste of resin.

The squeeze roller 544 is mounted on the doctor blade mounting frame 541 by a rotation shaft, and is rotatable on the doctor blade mounting frame 541. The glue pressing rod frame 547 is mounted on the glue scraping mounting frame 541 through a press rod adjusting mechanism 548, and the press rod adjusting mechanism 548 can use various suitable mounting position adjusting mechanisms, and the distance between the glue pressing rod frame 547 and the glue pressing roller 544 can be adjusted through the press rod adjusting mechanism 548. The first and second glue pressing rods 545 and 546 are mounted on the glue pressing rod frame 547 and are located at both sides of the rotation axis of the glue pressing roller 544, a pressing spring is provided between the pressing rod adjusting mechanism 548 and the glue pressing rod frame 547, the first and second glue pressing rods 545 and 546 are pressed against the glue pressing roller 544 with a certain pressure from both sides of the rotation axis of the glue pressing roller 544 by the elastic force of the pressing spring, and the resin in the glue-carrying reinforcing fiber bundles passing between the first and second glue pressing rods 545 and 546 and the glue pressing roller 544 is extruded out to control the content of the resin in the glue-carrying reinforcing fiber bundles.

Through the preliminary scraping of the resin by the scraping adhesive tape 543, the quantity of the resin extruded from the adhesive reinforced fiber bundles by the first adhesive pressing rod 545 and the second adhesive pressing rod 546 can be reduced, excessive resin is prevented from flowing back to the adhesive reinforced fiber bundles by the adhesive pressing rod, and the control result of the resin content in the adhesive reinforced fiber bundles is influenced. The adjusting lever adjusting mechanism 548 can adjust the pressure between the first and second glue levers 545 and 546 and the glue roller 544, thereby adjusting the content of resin in the bundle of rubberized reinforcing fibers after being pressed by the glue levers.

In some embodiments of the FRP reinforcement cage production apparatus of the present application, as shown in fig. 9, the composite fiber forming device 2 includes a fiber pedestal unit 21, a fiber bundle forming ring 22, and a fiber bundle guiding rod 23. The fiber shaft frame units 21 are in a plurality, and the fiber shaft frame units 21 are overlapped and arranged to form a stacked frame body. A plurality of fiber shaft storage locations are provided on each fiber shaft housing unit 21, and one reinforcing fiber reel is placed on each fiber shaft storage location. A yarn guide 211 is arranged on the stacking frame body above each fiber shaft storage position, the yarn guide 211 can be a ring-shaped structure, a hook-shaped structure or a yarn guide wheel for the passing of the reinforcing fibers, and the reinforcing fibers on the reinforcing fiber reel are output through the yarn guide 211, so that the reinforcing fibers can be conveniently and continuously pulled out from the reinforcing fiber reel.

The fiber bundle forming rings 22 are provided at one end of the stacked frame body composed of the plurality of fiber shaft frame units 21, and the number of the fiber bundle forming rings 22 is the same as the number of the fiber shaft frame units 21. Typically, the stacked frames are provided with a plurality of layers, a plurality of fiber shaft frame units 21 on each layer being arranged in a straight line, and fiber bundle forming rings 22 of the same number as the fiber shaft frame units 21 on each layer being provided at the end of each layer. The multiple reinforcing fibers in each fiber pedestal unit 21 are guided by the corresponding wire guides 211, and then enter the same fiber bundle forming ring 22, and are combined into a composite reinforcing fiber bundle in the fiber bundle forming ring 22.

At the end of each layer of frame body where the fiber bundle forming ring 22 is located, a fiber bundle guiding rod 23 is provided, and the fiber bundle guiding rod 23 is provided at the side of the fiber bundle forming ring 22 away from the fiber shaft frame unit 21. The fiber bundle guiding-out rod 23 includes an upper guiding-out rod 231 and a lower guiding-out rod 232 which are disposed parallel to each other, wherein the lower guiding-out rod 232 is disposed at a lower position and close to the stacking frame, and the upper guiding-out rod 231 is disposed at a higher position and far from the stacking frame. The composite reinforcing fiber bundles combined by the fiber bundle forming ring 22 are wound around from below the lower guide bar 232 and then output from above the upper guide bar 231. By the method, the extraction force of the composite reinforced fiber bundles can be buffered, so that the composite reinforced fiber bundles can be output more uniformly.

The FRP reinforcement cage manufacturing method is used for manufacturing the FRP reinforcement cage of any embodiment by utilizing the FRP reinforcement cage production equipment of any embodiment. An embodiment of the FRP reinforcement cage manufacturing method of the present application, as shown in FIG. 10, comprises the steps of:

s10: and combining the multiple strands of reinforcing fibers to form a composite reinforcing fiber bundle.

Each reinforcing fiber is typically wound on a reinforcing fiber reel, and different numbers of reinforcing fiber reels, and different types of reinforcing fiber reels, may be used, depending on the specifications of the composite reinforcing fiber bundle. The plurality of reinforcing fiber reels are placed in the same fiber shaft housing unit 21 of the composite fiber forming apparatus 2, and are placed in a plurality of fiber shaft storage positions on the fiber shaft housing unit 21. The reinforcing fibers on each reinforcing fiber reel are drawn through the upper wire guide 211 and are combined into a composite reinforcing fiber bundle in the same fiber bundle forming ring 22 and output.

S20: resin is added into the composite reinforced fiber bundles to form the glued reinforced fiber bundles.

After being conveyed by the fiber bundle conveying device 3, the composite reinforced fiber bundles reach the movable workbench 4 and enter the resin impregnation device 5 for resin impregnation. Specifically, the composite reinforcing fiber bundles are guided by the splitting of the fiber input mechanism 51, enter the fiber pressing and impregnating mechanism 53, pass through the liquid resin in the resin impregnating tank 52 under the pressing of the first pressing rod 535 and the second pressing rod 537, so that the resin is impregnated in the composite reinforcing fiber bundles to form glued reinforcing fiber bundles, and are output after being scraped by the glue scraping mechanism 54. The time for which the composite reinforcing fiber bundles are immersed in the resin can be adjusted by the fiber-pressing immersion mechanism 53, thereby adjusting the degree of resin immersion in the composite reinforcing fiber bundles.

S30: and grouping and combining the glued reinforced fiber bundles to form the FRP rib layer bundles.

The glued reinforced fiber bundles pass through the glued fiber output device 6, and the output guide frame 61 enables a plurality of composite reinforced fiber bundles to be arranged at intervals, so that each composite reinforced fiber bundle can be guided independently. Different rotary positions of the grouping guide roller 62 are provided with different grouping guide teeth 621, and different grouping guide teeth 621 can combine different numbers of composite reinforced fiber bundles to form FRP rib layer bundles with different numbers, different widths and different spacing distances.

S40: and winding the FRP rib layer bundles at intervals in a reciprocating manner to form an FRP rib layer formed by crossing the FRP rib layer bundles.

The FRP rib layer bundles are wound on the rib cage forming roller 7, and the FRP rib layer bundles are obliquely and alternately wound on the rib cage forming roller 7 through the rotation of the rib cage forming roller 7 and the movement of the movable workbench 4; by the reverse movement of the movable table 4, the FRP rib layer bundles are reversely inclined and wound at intervals on the rib cage forming roller 7. FRP rib layer bundles inclined towards different directions are mutually intersected on the rib cage forming roller 7, and resins in the FRP rib layer bundles are mutually fused to form the FRP rib layer.

S50: repeatedly superposing and winding FRP rib layer bundles on the FRP rib layer to form an FRP rib cage formed by FRP rib cross connection.

Continuously and repeatedly winding the FRP rib layer bundles on the rib cage forming roller 7, and controlling the rotation speed of the rib cage forming roller 7 and the moving speed of the moving workbench 4 so that the newly wound FRP rib layer bundles fall on the previously wound FRP rib layer bundles, and the resins in the FRP rib layer bundles are mutually fused to form the FRP rib 1; FRP rib layers formed by repeatedly winding the FRP rib layer bundles each time are mutually overlapped, and the resins in the FRP rib layers are mutually fused to form the FRP rib cage. And after the resin is solidified, demolding and taking down the FRP reinforcement cage from the reinforcement cage forming roller 7 to obtain the finished FRP reinforcement cage product.

As a preferred embodiment of the FRP reinforcement cage manufacturing method, the FRP reinforcement cage semi-finished product with the diameter and the specification of the FRP reinforcement 1 meeting the requirements of the FRP reinforcement cage finished product can be manufactured on the reinforcement cage forming roller 7 by the method, and the FRP reinforcement cage semi-finished product with the longer length is cut according to the requirements of the finished product length after being solidified, so that a plurality of FRP reinforcement cage finished products are obtained. Therefore, a plurality of FRP reinforcement cage finished products can be obtained through one-time winding, and the manufacturing efficiency of the FRP reinforcement cage manufacturing method is further improved.

In some embodiments of the method for manufacturing the FRP reinforcement cage of the present application, as shown in FIG. 10, the method further comprises the steps of: s5: and (3) carrying out silane coupling agent impregnation treatment on the reinforced fibers.

The silane coupling agent impregnation treatment of the reinforcing fibers may be performed on a part of the reinforcing fibers. Specifically, the reinforced fiber reel can be put into a 5% silane coupling agent solution for soaking for 30 minutes, taken out and treated for 2 hours at 110 ℃, then put into acetone for ultrasonic cleaning, and then dried for use. The adhesive capacity of the resin on the surface of the reinforced fiber can be enhanced by the silane coupling agent dipping treatment, and the mechanical property of the FRP reinforcement cage is improved.

In S10, the reinforcing fibers include glass fibers, carbon fibers, and polypropylene fibers.

The plurality of reinforcing fiber reels placed on the plurality of fiber shaft storage locations in the same fiber shaft housing unit 21 may be reels wound with different types of reinforcing fibers. In one embodiment, eight fiber shaft storage locations are provided in one fiber shaft housing unit 21, wherein six fiber shaft storage locations are provided with reels of glass fiber, one fiber shaft storage location is provided with reels of carbon fiber, and the other fiber shaft storage location is provided with reels of polypropylene fiber. The composite reinforced fiber bundle formed by mixing glass fibers, carbon fibers and polypropylene fibers not only improves the tensile properties in different directions, but also has higher processability.

In the description of the present invention, reference to the terms "one embodiment," "a particular embodiment," "a preferred embodiment," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The utility model provides a FRP muscle cage, includes mutual cross connection's FRP muscle (1), its characterized in that: the FRP rib (1) comprises a plurality of reinforced fiber layers (12) coated by resin (11), the reinforced fiber layers (12) with different trend at the cross connection point of the FRP rib (1) are staggered layer by layer, and the reinforced fiber layers are coated by the resin (11) to form an integrated structure.

2. The FRP reinforcement cage of claim 1 characterized in that: the reinforcing fiber layer (12) includes a plurality of composite reinforcing fiber bundles formed by mixing glass fibers, carbon fibers, and polypropylene fibers.

3. The FRP reinforcement cage of claim 2 characterized in that: at least one fiber in the composite reinforced fiber bundle is subjected to silane coupling agent impregnation treatment.

4. A FRP reinforcement cage production apparatus for producing the FRP reinforcement cage according to any one of claims 1 to 3, characterized in that: the device comprises a composite fiber forming device (2), a fiber bundle conveying device (3), a movable workbench (4), a resin impregnation device (5), a gum dipping fiber output device (6) and a reinforcement cage forming roller (7), wherein the composite fiber forming device (2) can extract a set number of reinforcing fibers and mix the reinforcing fibers to form a composite reinforcing fiber bundle; -said fiber bundle transfer device (3) being capable of transferring said composite reinforcing fiber bundles to said mobile station (4); the movable workbench (4) is arranged on one side of the reinforcement cage forming roller (7) and can reciprocate along the axial direction of the reinforcement cage forming roller (7); the resin impregnation device (5) is arranged on the movable workbench (4) and can impregnate resin into the composite reinforced fiber bundles; the gum dipping fiber output device (6) is arranged on the movable workbench (4) and is positioned between the resin dipping device (5) and the reinforcement cage forming roller (7), the gum dipping fiber output device (6) comprises an output guide frame (61) and a grouping guide roller (62), the output guide frame (61) is arranged on one side of the grouping guide roller (62) adjacent to the resin dipping device (5), a plurality of fiber guide grooves (611) are formed in the output guide frame (61), the grouping guide roller (62) is rotatably arranged on the movable workbench (4), a plurality of groups of grouping guide teeth (621) are arranged on the grouping guide roller (62), and the different numbers of composite reinforced fiber bundles can be grouped and combined to form FRP reinforcement layer bundles in interval distribution; the reinforcement cage forming roller (7) can rotate at a set speed, and the FRP reinforcement layer bundles are wound on the reinforcement cage forming roller (7) to form the FRP reinforcement (1).

5. The FRP reinforcement cage production apparatus of claim 4, characterized in that: the resin impregnation device (5) comprises a fiber input mechanism (51), a resin impregnation groove (52), a fiber pressing and impregnating mechanism (53) and a scraping mechanism (54), wherein the fiber input mechanism (51) is arranged at one end of the resin impregnation groove (52), the resin impregnation device comprises an input guide wire plate (511) and a comb-shaped guide wire rod (512), the input guide wire plate (511) is arranged at one side, far away from the resin impregnation groove (52), of the comb-shaped guide wire rod (512), a plurality of guide wire holes for the composite reinforced fiber bundles to pass through are formed in the input guide wire plate (511), a plurality of guide wire grooves for accommodating the composite reinforced fiber bundles are formed in the comb-shaped guide wire rod (512), the guide wire grooves are in one-to-one correspondence with the guide wire holes, the fiber pressing and impregnating mechanism (53) is arranged at the position of the resin impregnation groove (52) and can limit the composite reinforced fiber bundles to pass through the resin impregnation groove (52), and the scraping mechanism (54) is arranged at one end, opposite to the fiber bundles, of the resin impregnation mechanism (52), of the composite reinforced fiber bundles can be scraped.

6. The FRP reinforcement cage production apparatus of claim 5, characterized in that: the fiber pressing and soaking mechanism (53) comprises a pressing and soaking installation frame (531), a lifting and soaking adjustment structure (532), a lifting and soaking installation frame (533), a first pressing rod frame (534), a first pressing rod (535), a second pressing rod frame (536), a second pressing rod (537), an adjusting rod (538) and an amplitude adjustment structure (539), the pressure impregnation mounting frame (531) is fixed on two sides of the resin impregnation tank (52) adjacent to the end of the fiber input mechanism (51), the lifting mounting frame (533) is arranged on the pressure impregnation mounting frame (531) through the lifting adjusting structure (532), so as to be able to adjust the mounting height of the elevation mounting frame (533) by the elevation adjustment structure (532), the first pressing rod frame (534) and the second pressing rod frame (536) are respectively hinged on the lifting installation frame (533), and one end of the first pressing rod frame (534) and one end of the second pressing rod frame (536) are hinged with the adjusting rod (538), the other end of the first pressing rod frame (534) is fixedly connected with the first pressing rod (535), the other end of the second pressing rod frame (536) is fixedly connected with the second pressing rod (537), the amplitude adjustment structure (539) is arranged between the lifting mounting frame (533) and the adjusting rod (538) so as to be capable of adjusting the distance between the lifting mounting frame and the adjusting rod.

7. The FRP reinforcement cage production apparatus of claim 5, characterized in that: the utility model provides a doctor blade mechanism (54) is including doctor blade mounting bracket (541), doctor blade bottom plate (542), doctor blade adhesive tape (543), pressure rubber roll (544), first pressure rubber rod (545), second pressure rubber rod (546), pressure rubber rod frame (547) and depression bar adjustment mechanism (548), doctor blade mounting bracket (541) are fixed one end of resin impregnation groove (52), doctor blade bottom plate (542) are fixed the lower part of doctor blade mounting bracket (541), and slope downwardly extending extremely resin impregnation groove (52), doctor blade adhesive tape (543) are installed the top of doctor blade bottom plate (542), and can support and lean on doctor blade bottom plate (542), pressure rubber roll (544) rotationally install on doctor blade mounting bracket (541), pressure rubber rod frame (547) are passed through depression bar adjustment mechanism (548) are installed on doctor blade mounting bracket (541), first pressure rubber rod (545) and second pressure rubber rod (546) are installed on pressure rubber rod (547) and are located rotation axis (544).

8. The FRP reinforcement cage production apparatus of claim 4, characterized in that: the composite fiber forming device (2) comprises a plurality of fiber shaft frame units (21), fiber bundle forming rings (22) and fiber bundle guiding-out rods (23), wherein each fiber shaft frame unit (21) is provided with a plurality of fiber shaft storage positions, each fiber shaft storage position is provided with a yarn guide (211) above, the fiber bundle forming rings (22) are arranged at one ends of the plurality of fiber shaft frame units (21), the number of the fiber bundle forming rings (22) corresponds to that of the fiber shaft frame units (21), and the fiber bundle guiding-out rods (23) are arranged on one side, away from the fiber shaft frame units (21), of the fiber bundle forming rings (22) and comprise upper guiding-out rods (231) and lower guiding-out rods (232) which are arranged in parallel.

9. A method for manufacturing an FRP reinforcement cage according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:

s10: combining the plurality of reinforcing fibers to form a composite reinforcing fiber bundle;

s20: adding resin into the composite reinforced fiber bundles to form glued reinforced fiber bundles;

s30: grouping and combining the glued reinforced fiber bundles to form FRP rib layer bundles;

s40: winding FRP rib layer bundles at intervals in a reciprocating manner to form an FRP rib layer formed by crossing the FRP rib layer bundles;

s50: repeatedly superposing and winding FRP rib layer bundles on the FRP rib layer to form an FRP rib cage formed by FRP rib cross connection.

10. The method according to claim 9, wherein: the method also comprises the steps of: s5: carrying out silane coupling agent impregnation treatment on the reinforced fibers; in S10, the reinforcing fibers include glass fibers, carbon fibers, and polypropylene fibers.