A high-strength composite material template

Abstract

The present invention provides a high-strength composite material formwork, comprising a formwork body, the formwork body having a fixed frame around it, the front end of the fixed frame being a raised portion, and the rear end of the fixed frame being a recessed portion; an outer frame, the outer frame being sleeved on the outer side of the recessed portion and the four corners of the raised portion, and the surface of the outer frame being flush with the surface of the raised portion; a step, the step being arranged inside the formwork body; and a reinforcing plate, the reinforcing plate being arranged on the working surface of the formwork body in contact with concrete. The present invention can improve strength, construction efficiency, and service life of composite material formwork.

Description

Technical Field

[0001] The invention relates to a composite material template, in particular to a high-strength composite material template. Background Art

[0002] As the world's largest construction kingdom, China needs a huge amount of various construction formwork every year. Construction formwork is a temporary support structure, which is made according to design requirements to shape concrete structures and components according to the specified position and geometric dimensions, maintain their correct position, and bear the self-weight of the construction formwork and the external loads acting on it. The purpose of formwork engineering is to ensure the quality and construction safety of concrete engineering, speed up the construction progress and reduce engineering costs.

[0003] At present, a composite material formwork has appeared on the market, but the strength of the traditional composite material formwork is not enough overall: the working surface in contact with concrete in the traditional composite material formwork is not strong enough, so the working surface will have an arc-shaped deformation with a convex middle and poor sealing; the strength of the traditional composite material formwork is not enough on all sides, the building formwork is easily damaged, and slurry cracks will appear; when installing bolts in the middle of the traditional composite material formwork, the building formwork is easily damaged due to insufficient strength; the construction efficiency is greatly reduced, and it also affects the surface appearance of the concrete and the service life of the composite material formwork.

[0004] In view of the above shortcomings, it is necessary to explore a high-strength composite material formwork to improve the strength and sealing, thereby improving construction efficiency. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a high-strength composite material template, which can improve strength, improve sealing, improve construction efficiency, and increase the service life of the composite material template.

[0006] The present invention is achieved in that:

[0007] A high-strength composite material template, comprising:

[0008] A template body, wherein the template body has a fixing frame around it, the front end of the fixing frame is a raised portion, and the rear end of the fixing frame is a recessed portion;

[0009] an outer frame, the outer frame being sleeved on the outer side of the recessed portion and the four corners of the raised portion, and the surface of the outer frame being flush with the surface of the raised portion;

[0010] a sill piece, the sill piece is arranged inside the template body; and

[0011] A reinforcing plate is arranged on the working surface of the template body that contacts the concrete.

[0012] Furthermore, it also includes:

[0013] A plurality of screw mounting holes, wherein the screw mounting holes are disposed in the middle of the template body; and

[0014] A plurality of screw positioning holes are provided on the reinforcing plate and are arranged corresponding to the positions of the screw mounting holes; the working surfaces of the two composite material templates are locked by tensioning screws passing through the screw positioning holes and the screw mounting holes in sequence.

[0015] Furthermore, at least one high vertical rib and a plurality of high transverse ribs are provided on the back of the template body, and the fixed frame, high vertical ribs and high transverse ribs form a plurality of concave filling grooves, and a plurality of short transverse ribs and short vertical ribs are distributed in each of the filling grooves in a horizontal and vertically staggered manner.

[0016] Furthermore, a plurality of the screw mounting holes are vertically distributed on the high vertical ribs, and the screw mounting holes are cylindrical, including an inner cylinder and an outer cylinder, the inner cylinder is sleeved in the outer cylinder, and the outer side wall of the inner cylinder is connected to the inner side wall of the outer cylinder through a plurality of connecting plates.

[0017] Furthermore, a plurality of longitudinal ribs are correspondingly provided between the short vertical ribs and the high transverse ribs, between the short transverse ribs and the high vertical ribs, and between the short transverse ribs and the outer cylinder.

[0018] Furthermore, the outer frame comprises:

[0019] a frame matching the recessed portion, wherein the outer surface of the recessed portion is provided with a plurality of grooves, and the inner surface of the frame is provided with a plurality of protrusions matching the grooves, and the frame is sleeved on the outer side of the recessed portion through the cooperation between the protrusions and the grooves; and

[0020] Four covering pieces are respectively arranged at the front end parts of the four corners of the frame, and the four corners of the raised part are respectively provided with a covering notch matching with the covering piece, and the covering piece covers the covering notch.

[0021] Furthermore, the door member includes a plurality of corner connectors, at least one horizontal connector, at least one vertical connector and a plurality of reinforcing tubes, the corner connections of two reinforcing tubes are connected by a corner connector, the horizontal connections of two reinforcing tubes are connected by a horizontal connector, the vertical connections of two reinforcing tubes are connected by a vertical connector, and the plurality of reinforcing tubes are connected to form a rectangular connection frame matching the shape of the recessed portion, and the rectangular connection frame is installed on the four sides inside the recessed portion.

[0022] Furthermore, a plurality of fixing holes are provided on the raised portion of the fixing frame, a plurality of gaskets are provided on the inner side walls of the raised portion, and the gaskets are provided with connecting holes corresponding to the fixing holes.

[0023] Furthermore, a plurality of mounting grooves for mounting the pull tabs are correspondingly provided on the outer side surfaces of the template body and the outer frame, and the mounting grooves are in the shape of an isosceles trapezoid, and the short side dimensions thereof are adapted to the width dimensions of the pull tabs. The pull tabs have a notch, which is located exactly on the short side, and the movable area formed between the notch and the end portion of the pull tabs can be movably placed up and down in the mounting grooves; the side surfaces of the two composite material templates are connected by placing pull tabs in the mounting grooves.

[0024] Furthermore, the reinforcing plate is a continuous woven glass fiber composite reinforcing plate with PP and PA6 as the base material, the reinforcing tube is a steel tube or a carbon fiber tube or a composite tube composed of PP and glass fiber, and the gasket is an iron sheet or a steel sheet.

[0025] The advantages of the present invention are as follows: in the present invention, a reinforcing plate is added to the working surface of the composite material template to enhance the strength of the working surface and prevent deformation of the working surface, and the composite material templates are well connected and sealed; a sill is installed inside the template body, and a rectangular connecting frame formed by the sill is installed on the four sides inside the fixed frame of the template body. The sill is made of steel material or carbon fiber material or a composite material composed of PP and glass fiber, which has high strength, thereby improving the strength of the composite material template around and making it less susceptible to damage around; a plurality of protrusions are provided on the inner side of the outer frame, and a plurality of grooves are provided on the outer side of the template body. The cooperation of the protrusions and the grooves makes the outer frame and the template body more tightly combined. When the template bodies are connected to each other, the surroundings are less susceptible to damage and no slurry seams will occur; the inner wall of the template body A gasket is added to prevent the composite material formwork from being worn when the composite material formwork is connected to the composite material formwork, thereby protecting the composite material formwork; a screw mounting hole is reserved in the middle of the formwork body, and the screw mounting hole is cylindrical. A corresponding screw positioning hole is provided in the middle of the reinforcing plate. The screw mounting hole and the screw positioning hole are used to insert the tension screws, and the working surfaces of the two composite material formworks are locked by the tension screws passing through the screw positioning holes and the screw mounting holes in sequence; mounting grooves are provided around the formwork body and the outer frame, and the sides of the two composite material formworks are locked by pulling tabs clamped in the mounting grooves; the composite material formwork can use pulling tabs on all sides to increase its strength, or it can use pulling screws to increase its strength; the composite material formwork can improve its strength as a whole, improve construction efficiency, and increase the service life of the composite material formwork. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention will be further described below in conjunction with embodiments with reference to the accompanying drawings.

[0027] Figure 1 This is one of the three-dimensional views of a high-strength composite material template of the present invention.

[0028] Figure 2 This is the second stereoscopic diagram of a high-strength composite material template of the present invention.

[0029] Figure 3 It is a three-dimensional diagram of the template body in the present invention.

[0030] Figure 4 It is the front view of the template body in the present invention.

[0031] Figure 5 It is a left view of the template body in the present invention.

[0032] Figure 6 It is a top view of the template body in the present invention.

[0033] Figure 7 It is a three-dimensional diagram of the inner and outer frames of the present invention.

[0034] Figure 8 It is a three-dimensional diagram of the door member in the present invention.

[0035] Fig. 9 It is a structural diagram of the corner connector in the present invention.

[0036] Fig.10 It is a structural diagram of the horizontal connecting member or the vertical connecting member in the present invention.

[0037] Fig.11a This is a structural diagram of the reinforcing plate in the present invention.

[0038] Fig.11b Another structural diagram of the reinforcing plate in the present invention.

[0039] Fig.12 It is a schematic diagram of the structure of the gasket in the present invention.

[0040] Fig.13 It is a schematic diagram of the structure of the tension screw in the present invention.

[0041] Fig.14 It is an assembly diagram of the composite material template in the present invention.

[0042] Fig.15 for Fig.14 Partial cross-sectional view.

[0043] Description of the numbers in the figure:

[0044] 100-composite material template, 10-template body, 11-fixing frame, 12-protrusion, 121-fixing hole, 122-gasket, 123-connecting hole, 13-recess, 131-groove, 14-high vertical ribs, 15-high horizontal ribs, 16-filling groove, 17-short horizontal ribs, 18-short vertical ribs, 19-longitudinal ribs, 20-outer frame, 21-frame, 22-bump, 23-covering piece, 2 4-covering notch, 25-installation groove, 30-ledge piece, 31-corner connector, 32-horizontal connector, 33-vertical connector, 34-reinforcement tube, 35-rectangular connection frame, 40-reinforcement plate, 50-screw mounting hole, 51-screw positioning hole, 52-pull screw, 53-inner cylinder, 54-outer cylinder, 55-connecting piece, 56-pull piece, 561-missing corner, 562-activity area. DETAILED DESCRIPTION

[0045] The present invention is further described in detail below in conjunction with specific embodiments, but the structure of the present invention is not limited to the following embodiments.

[0046] See also Figures 1 to 15 As shown, a high-strength composite material template of the present invention, the high-strength composite material template 100 comprises:

[0047] A template body 10, wherein the template body 10 has a fixing frame 11 around it, the front end of the fixing frame 11 is a raised portion 12, and the rear end of the fixing frame 11 is a recessed portion 13;

[0048] an outer frame 20, the outer frame 20 is sleeved on the outer side of the recessed portion 13 and the four corners of the raised portion 12, and the surface of the outer frame 20 is flush with the surface of the raised portion 12;

[0049] A ridge member 30, which is disposed inside the template body 10, and functions to strengthen the strength of the template body 10 so that the composite material template 100 is not easily deformed; and

[0050] A reinforcing plate 40 is arranged on the working surface of the formwork body 10 that contacts the concrete, and its function is to enhance the strength and hardness of the working surface and make it smoother.

[0051] Preferably, the composite material templates 100 are connected by the tension screws 52 in the following manner:

[0052] The composite material formwork 100 also includes: a plurality of screw mounting holes 50 and a plurality of screw positioning holes 51, wherein the screw mounting holes 50 are arranged in the middle of the formwork body 10; the screw positioning holes 51 are arranged on the reinforcing plate 40 and are arranged corresponding to the positions of the screw mounting holes 50; the working surfaces of the two composite material formworks 100 are locked by the tension screws 52 passing through the screw positioning holes 51 and the screw mounting holes 50 in sequence; the screw positioning holes 51 and the screw mounting holes 50 are arranged to better install the tension screws 52. Firstly, the screw positioning holes 51 and the screw mounting holes 50 are used to install the bolt holes corresponding to the tension screws 52. The screw positioning holes 51 and the screw mounting holes 50 must be in one-to-one corresponding positions, so that it can be ensured that when the tension screws 52 penetrate the screw positioning holes 51, they can also pass through the screw mounting holes 50, which is convenient for the installers to install; the strength is enhanced by using the tension screws 52 to limit the position.

[0053] Preferably, the composite material templates 100 are connected by the pull tabs 56 as follows:

[0054] A plurality of mounting grooves 25 for mounting the pull tabs 56 are provided on the outer sides of the template body 10 and the outer frame 20, and the mounting grooves 25 are in the shape of an isosceles trapezoid, and the short side dimension thereof is matched with the width dimension of the pull tabs 56. The pull tabs 56 have a notch 561, and the notch 561 is just located on the short side, and the movable area 562 formed between the notch 561 and the end portion of the pull tabs 56 can be movably placed in the mounting grooves 25 up and down; the sides of the two composite material templates 100 are connected by placing the pull tabs 56 in the mounting grooves 25; by adopting the pull tabs 56 to limit the strength and by providing the mounting grooves 25, it is achieved that during engineering use, when the composite material template 100 is not disassembled, the end of the pull tab 56 is shaken up and down to break, thereby realizing the overall hoisting of the composite material template 100 (the pull tab 56 system originally could not realize the overall hoisting of the template because the protruding end of the pull tab 56 would jam the template, and the overall hoisting could not be realized). The tension screw 52 system can realize the overall lifting of the formwork because the tension screw 52 has a sleeve. The tension screw 52 can be pulled out of the formwork after the cement is dry and will not block the lifting of the formwork. The pull plate 56 system needs to remove the part that interferes with the lifting of the formwork, and then realize the overall lifting of the formwork.

[0055] The present invention can select the connection mode of the tension screw 52, ​​and can also select the connection of the pull tab 56 or other connection modes.

[0056] Preferably, at least one high vertical rib 14 and a plurality of high transverse ribs 15 are provided on the back of the template body 10, the function of the high vertical rib 14 is to increase the vertical strength of the fixed frame 11, and the function of the high transverse rib 15 is to increase the transverse strength of the fixed frame 11; the fixed frame 11, the high vertical rib 14 and the high transverse rib 15 form a plurality of concave filling grooves 16, each of the filling grooves 16 is distributed with a plurality of short transverse ribs 17 and short vertical ribs 18 staggered in a horizontal and vertical direction, and the function of the short transverse ribs 17 and the short vertical ribs 18 is to strengthen the strength between the fixed frame 11, the high vertical rib 14 and the high transverse rib 15;

[0057] A plurality of screw mounting holes 50 are vertically distributed on the high vertical ribs 14. The screw mounting holes 50 are cylindrical, including an inner cylinder 53 and an outer cylinder 54. The inner cylinder 53 is sleeved in the outer cylinder 54, and the outer wall of the inner cylinder 53 is connected to the inner wall of the outer cylinder 54 through a plurality of connecting pieces 55. The inner hole of the inner cylinder 53 is for inserting the tension screw. The surface formed by the outer cylinder 54 and the inner cylinder 53 can strengthen the strength of the position of the tension screw 52 and increase the contact area with the nut locking of the tension screw 52.

[0058] A plurality of longitudinal ribs 19 are correspondingly provided between the short vertical ribs 18 and the high transverse ribs 15 , between the short transverse ribs 17 and the high vertical ribs 14 , and between the short transverse ribs 17 and the outer cylinder 54 ; the function of the longitudinal ribs 19 is to strengthen the strength of the short transverse ribs 17 and the short vertical ribs 18 .

[0059] Preferably, the outer frame 20 comprises:

[0060] A frame 21 matching the recessed portion 13, wherein the outer surface of the recessed portion 13 is provided with a plurality of grooves 131, and the inner surface of the frame 21 is provided with a plurality of protrusions 22 matching the grooves 131, and the frame 21 is sleeved on the outer side of the recessed portion 13 by the cooperation of the protrusions 22 and the grooves 131, and the cooperation of the protrusions 22 and the grooves 131 makes the outer frame 20 and the template body 10 more closely combined; and

[0061] Four covering members 23 are respectively arranged at the front end of the four corners of the frame 21. The four corners of the protrusion 12 are respectively provided with a covering notch 24 matching the covering member 23. The covering member 23 covers the covering notch 24 to strengthen the strength of the four corners of the protrusion 12. When the template bodies 10 are connected to each other, the first thing to be touched is the fixed frame 11 and the outer frame 20 around the template body 10. The outer frame 20 makes the surroundings less susceptible to damage and does not cause leakage of slurry at the template joints.

[0062] Preferably, the door member 30 includes a plurality of corner connectors 31, at least one horizontal connector 32, at least one vertical connector 33 and a plurality of reinforcing tubes 34, the corner connections of two reinforcing tubes 34 are connected by a corner connector 31, the horizontal connections of two reinforcing tubes 34 are connected by a horizontal connector 32, the vertical connections of two reinforcing tubes 34 are connected by a vertical connector 33, and the plurality of reinforcing tubes 34 are connected to form a rectangular connection frame 35 that matches the shape of the interior of the template body 10, and the rectangular connection frame 35 is placed on the four sides of the interior of the template body 10; the purpose is to strengthen the strength of the fixed frame 11, and when the template bodies 10 are connected to each other, the first thing that comes into contact is the fixed frame 11 around the template body 10. After the rectangular connection frame 35 is installed, the strength of the template body 10 around can be increased, making the surroundings less susceptible to damage.

[0063] Preferably, a plurality of fixing holes 121 are provided on the raised portion 12 of the fixing frame 11, and a plurality of gaskets 122 are provided on the inner side walls of the raised portion 12. The gaskets 122 are provided with connecting holes 123 corresponding to the fixing holes 121. The fixing holes 121 are pin holes required for connecting round pins (not shown) and pin sheets (not shown). When connecting between the template body 10 and the template body 10, round pins and pin sheets need to be used to pass through the fixing holes 121 for connection, which will cause damage to the surrounding areas of the template body 10. Adding gaskets 122 to the inner side walls around the template body 10 can prevent the template bodies 10 from being worn during the process of coordinating the installation of the round pins and pin sheets.

[0064] From the material point of view, the reinforcing tube 34 is a steel tube or a carbon fiber tube or a composite tube composed of PP and glass fiber, which can enhance the hardness, so the sill 30 can well enhance the strength around the formwork body 10; the gasket 122 is an iron sheet or a steel sheet, and the gasket 122 is made of iron or steel material, which can also increase the hardness and strength; the reinforcing plate 40 is a continuous woven glass fiber composite reinforcing plate with PP and PA6 as the base material, which has high hardness. When the composite formwork 100 is assembled by the tension screw 52, ​​the structure of the reinforcing plate 40 is as follows Fig.11a As shown, a screw positioning hole 51 needs to be provided on the reinforcing plate 40 for matching. When the pull tab 56 is used to assemble the composite material template 100, the structure of the reinforcing plate 40 is as shown in FIG. Fig.11b As shown, there is no need to provide holes in the reinforcing plate 40 .

[0065] The working principle of the present invention is as follows:

[0066] When producing the composite material template 100, first put the reinforcing plate 40 into an oven and heat it to about 200°C, then put the reinforcing plate 40 into the working surface of the template body 10, and then embed the door 30 into the template body 10 and put them into the mold for injection molding, and then perform double-color injection molding of the outer frame. Finally, after the composite material template 100 is demolded, put the gasket 122 into the inner side of the frame of the template body 10.

[0067] The product adopts a two-color injection molding or first molding and then second color injection molding process. The product completes the two-color injection molding in one mold cavity, and the two-color adhesion of the product is stronger. The template body 10 adopts the first color material, which can be injection molded, and the outer frame 20 adopts the second color material, which is an injection-molded TPU flexible material, and the mold is a two-color injection mold.

[0068] The advantages of the present invention are as follows:

[0069] In the present invention, a reinforcing plate 40 is added to the working surface of the composite material template 100 to enhance the strength of the working surface and prevent deformation of the working surface. The composite material templates 100 are connected to each other with good sealing performance; a sill 30 is installed inside the template body 10, and the rectangular connecting frame 35 formed by the sill 30 is installed on the four sides inside the fixed frame 11 of the template body 10. The sill 30 is made of steel material with high strength, thereby improving the strength of the composite material template 100 around and making it less susceptible to damage around; a plurality of protrusions 22 are provided on the inner side of the outer frame 20, and a plurality of grooves 131 are provided on the outer side of the template body 10. The cooperation of the protrusions 22 and the grooves 131 makes the outer frame 20 and the template body 10 more closely combined. When the template bodies 10 are connected to each other, the surrounding areas are less susceptible to damage and no leakage of slurry will occur at the template joints; a gasket 122 is added to the inner wall of the template body 10 to make the composite material template 100 and the composite The material templates 100 will not be worn when they are matched and connected, which plays a role in protecting the composite material template 100; a reserved screw mounting hole 50 is provided in the middle of the template body 10, and the screw mounting hole 50 is cylindrical, and a corresponding screw positioning hole 51 is provided in the middle of the reinforcing plate 40, and the screw mounting hole 50 and the screw positioning hole 51 are used to insert the tension screw 52, ​​and the working surfaces of the two composite material templates 100 are locked by the tension screw 52 passing through the screw positioning hole 51 and the screw mounting hole 50 in sequence; the template body 10 and the outer frame 20 are provided with mounting grooves 25 around, and the sides of the two composite material templates 100 are locked by the pull tabs 56 clamped in the mounting grooves 25; the composite material template 100 can use the pull tabs 56 around to limit and strengthen the strength, or can use the tension screws 52 to limit and strengthen the strength; the composite material template 100 can improve the strength as a whole, improve the construction efficiency, and increase the service life of the composite material template 100.

[0070] Although the specific implementation modes of the present invention are described above, those skilled in the art should understand that the specific implementation modes described are only illustrative and are not intended to limit the scope of the present invention. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A high-strength composite material template, characterized in that: The composite material template comprises: A template body, wherein the template body has a fixing frame around it, the front end of the fixing frame is a raised portion, and the rear end of the fixing frame is a recessed portion; An outer frame, the outer frame is sleeved on the outer side of the recessed portion and the four corners of the raised portion, and the surface of the outer frame is flush with the surface of the raised portion; the outer frame comprises: a frame matching the recessed portion, wherein the outer surface of the recessed portion is provided with a plurality of grooves, and the inner surface of the frame is provided with a plurality of protrusions matching the grooves, and the frame is sleeved on the outer side of the recessed portion through the cooperation between the protrusions and the grooves; and Four covering members, the four covering members are respectively arranged at the front end portions of the four corners of the frame, the four corners of the protruding portion are respectively provided with a covering notch matching with the covering member, and the covering member covers the covering notch; a sill piece, the sill piece is arranged inside the template body; and a reinforcing plate, the reinforcing plate being arranged on a working surface of the formwork body in contact with the concrete; A plurality of mounting grooves for mounting the pull tabs are provided on the outer sides of the template body and the outer frame, and the mounting grooves are in the shape of an isosceles trapezoid, and the short side dimension thereof is adapted to the width dimension of the pull tabs. The pull tabs have a notch, and the notch is located exactly on the short side, and the movable area formed between the notch and the end portion of the pull tabs can be movably placed up and down in the mounting grooves; the side surfaces of the two composite material templates are connected by placing the pull tabs in the mounting grooves.

2. A high-strength composite material template as claimed in claim 1, characterized in that: Also includes: A plurality of screw mounting holes, wherein the screw mounting holes are disposed in the middle of the template body; and A plurality of screw positioning holes are provided on the reinforcing plate and are arranged corresponding to the positions of the screw mounting holes; the working surfaces of the two composite material templates are locked by tensioning screws passing through the screw positioning holes and the screw mounting holes in sequence.

3. A high-strength composite material template as claimed in claim 1, characterized in that: The back of the template body is provided with at least one high vertical rib and a plurality of high transverse ribs. The fixing frame, the high vertical ribs and the high transverse ribs form a plurality of concave filling grooves. Each of the filling grooves is provided with a plurality of short transverse ribs and short vertical ribs that are staggered in a horizontal and vertical manner.

4. A high-strength composite material formwork as claimed in claim 3, characterized in that: A plurality of screw mounting holes are vertically distributed on the high vertical ribs. The screw mounting holes are cylindrical and include an inner cylinder and an outer cylinder. The inner cylinder is sleeved in the outer cylinder, and the outer side wall of the inner cylinder is connected to the inner side wall of the outer cylinder through a plurality of connecting plates.

5. A high-strength composite material formwork as claimed in claim 3, characterized in that: A plurality of longitudinal ribs are correspondingly arranged between the short vertical ribs and the high transverse ribs, between the short transverse ribs and the high vertical ribs, and between the short transverse ribs and the outer cylinder.

6. A high-strength composite material formwork as claimed in claim 1, characterized in that: The door member includes a plurality of corner connectors, at least one horizontal connector, at least one vertical connector and a plurality of reinforcing tubes. The corner connectors of two reinforcing tubes are connected by a corner connector, the horizontal connectors of two reinforcing tubes are connected by a horizontal connector, and the vertical connectors of two reinforcing tubes are connected by a vertical connector. The plurality of reinforcing tubes are connected to form a rectangular connecting frame that matches the shape of the recessed portion, and the rectangular connecting frame is installed on the four sides inside the recessed portion.

7. A high-strength composite material formwork as claimed in claim 6, characterized in that: A plurality of fixing holes are arranged on the raised portion of the fixing frame, a plurality of gaskets are arranged on the inner side walls of the raised portion, and the gaskets are provided with connecting holes corresponding to the fixing holes.

8. A high-strength composite material formwork as claimed in claim 7, characterized in that: The reinforcing plate is a continuous woven glass fiber composite reinforcing plate with PP and PA6 as the base material, the reinforcing tube is a steel tube or a carbon fiber tube or a composite tube composed of PP and glass fiber, and the gasket is an iron sheet or a steel sheet.

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