CFRT formwork

Abstract

The utility model discloses a CFRT mould shell which comprises a shell top, a shell peripheral wall and a shell bottom flange edge which are integrally formed, the shell peripheral wall and the shell top are arranged in an arc transition mode, the shell peripheral wall and the shell bottom flange edge are arranged in an arc transition mode, and the size of the shell peripheral wall is gradually increased in the direction from the shell top to the shell bottom flange edge. A plurality of main reinforcing rib plates are arranged on the inner side of the shell peripheral wall, annular holes are formed in the main reinforcing rib plates respectively, mold pulling ropes are connected to the annular holes respectively, the multiple mold pulling ropes are converged and connected to a mold pulling mechanism, and the mold pulling mechanism is detachably connected with the shell top. When the mold shell is demolded, the main body structure of the mold shell cannot be damaged, demolding in an edge warping mode is avoided, the shell bottom flange edge is prevented from being damaged by unstable external force, the integrity of the whole mold shell is kept better, and repeated use of the mold shell is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete modules, in particular to a CFRT formwork. Background Art

[0002] A concrete formwork is a mold that assists in concrete pouring. The concrete formwork is usually formed by injection molding or compression molding of plastic or composite materials. The formwork needs to be disassembled after the concrete pouring is completed, and the disassembled formwork must be able to be reused. In the prior art, when the formwork is demoulded and disassembled, it is necessary to use a tool to pry the formwork from the edge of the formwork so that a gap is created between the formwork and the concrete and the formwork is separated, thereby completing the demoulding. This operation can damage the flange edge of the formwork if not careful, and even cause damage to the main body of the formwork. There are also tools or structures that assist in demoulding, such as ejector rods, pneumatic separation, etc. These means are relatively complex in structure when set up, and more or less require slots or holes to be opened on the main body of the formwork. Summary of the invention

[0003] The utility model aims to provide a CFRT mold shell in view of the problems existing in the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A CFRT mold shell comprises an integrally formed shell top, a shell peripheral wall and a shell bottom flange, wherein arc transitions are arranged between the shell peripheral wall and the shell top, and between the shell peripheral wall and the shell bottom flange, and the size of the shell peripheral wall is gradually increased from the shell top to the shell bottom flange; a plurality of main reinforcing ribs are arranged on the inner side of the shell peripheral wall, and annular holes are respectively arranged on the main reinforcing ribs, and demolding ropes are respectively connected to the annular holes, and a plurality of the demolding ropes are converged and connected to a demolding mechanism, and the demolding mechanism is detachably connected to the shell top.

[0006] The mold shell has improved its internal structure and demoulding method, so that it is easy to demould during use. The main structure of the mold shell will not be damaged during demoulding, demoulding by warping the edges is avoided, and the flange edge of the shell bottom is avoided from being damaged by unstable external forces. The integrity of the entire mold shell is well maintained, which is conducive to repeated use and reduces material damage and construction costs.

[0007] By demoulding with the above structure and method, the pulling force will be transmitted to the main reinforcing ribs, which are integrally formed with the entire mold shell and can share the force well. In addition, due to its symmetrical arrangement, the forces in all directions are also relatively uniform and balanced, and the mold shell body will not be easily damaged during the demoulding process. The main reinforcing ribs themselves also have the function of enhancing the strength and structural stability of the mold shell.

[0008] The arrangement of the demoulding rope and the demoulding mechanism facilitates manual use and operation on the one hand, and on the other hand, does not open holes or grooves on the main structure of the mold shell, which is beneficial to maintaining the structural integrity of the mold shell body and avoiding leakage of the mold shell after repeated use.

[0009] Furthermore, the demoulding mechanism includes a pull ring, one end of which is connected to a pull rod, and a buckle is provided on the pull rod, and the buckle is respectively connected to the demoulding rope, and the end of the pull rod away from the pull ring is detachably connected to the shell top. The setting of the pull ring facilitates applying external force to pull the pull rod, and the pull rod not only plays the role of connecting the buckle, but also can be connected to the shell top.

[0010] Furthermore, the ring buckle is fixedly sleeved on the pull rod, or an annular limiting groove is provided on the outer periphery of the pull rod, and the ring buckle is rotatably installed in the annular limiting groove.

[0011] Furthermore, the inner end surface of the shell top is provided with a short stud or a threaded short cylinder, and the end of the pull rod is screwed onto the short stud or the threaded short cylinder; or, the inner end surface of the shell top is provided with a magnetic protrusion, and the end of the pull rod is adsorbed on the magnetic protrusion.

[0012] Furthermore, the main reinforcing rib extends from the inner end surface of the shell top toward the inner periphery of the shell peripheral wall and extends to the flange edge of the shell bottom, and the main reinforcing rib is provided with a raised portion in the middle area of ​​the shell peripheral wall, and the annular hole is provided at the raised portion.

[0013] Furthermore, the demoulding rope is a nylon rope.

[0014] Furthermore, the inner side of the shell top and the shell peripheral wall is also provided with crisscross reinforcing ribs, and the thickness of the main reinforcing ribs is not less than the thickness of the reinforcing ribs. These reinforcing ribs can improve the strength and stability of the formwork as a whole.

[0015] Furthermore, the shell peripheral wall is an annular peripheral wall, and a plurality of the main reinforcing ribs are centrally symmetrically arranged so that each side wall is subjected to a pulling force at the same time, which is conducive to smooth demoulding.

[0016] Furthermore, the shell peripheral wall has four side walls, and the four side walls are all arranged with arc transitions, and a plurality of main reinforcing ribs are respectively arranged along the middle position of each side wall and / or along the angular bisectors of adjacent side walls.

[0017] Furthermore, the outer surfaces of the shell top, the shell peripheral wall and the shell bottom flange edge are also respectively provided with a release agent coating.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: 1. The mold shell is easy to demould during use by improving its internal structure and demoulding method. The main structure of the mold shell will not be damaged during demoulding, demoulding by warping is avoided, and the flange edge of the shell bottom is avoided from being damaged by unstable external forces. The integrity of the entire mold shell is well maintained, which is conducive to its repeated use and reduces material damage and construction costs; 2. The shell peripheral wall has a certain draft angle, which is conducive to demoulding, and the upper and lower corners are both arc transition settings, which is also conducive to the separation of concrete and the mold shell, and can also avoid stress Concentrate, reducing the risk of mold shell rupture; 3. Demolding is carried out through the above structure and method, and the pulling force will be transmitted to the main reinforcing ribs, and the main reinforcing ribs are a structure integrally formed with the entire mold shell, which can share the force well, and coupled with its symmetrical arrangement, the forces in all directions are also relatively uniform and balanced, and the mold shell body will not be easily damaged during the demolding process; 4. Through the arrangement of the demolding pull rope and the demolding mechanism, on the one hand, it is convenient for manual use and operation, and on the other hand, no holes or grooves are opened on the main structure of the mold shell, which is conducive to maintaining the structural integrity of the mold shell body and avoiding leakage of the mold shell after repeated use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the top view of a CFRT mold shell of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of a CFRT mold shell of the utility model;

[0021] Figure 3 for Figure 1 AA cross-sectional structure diagram in;

[0022] Figure 4 for Figure 1 Schematic diagram of the BB cross-section structure (connected with a draft mechanism);

[0023] Figure 5 It is a schematic diagram of the demoulding of the demoulding mechanism of the utility model;

[0024] Figure 6 It is a schematic diagram of the connection structure of another demoulding mechanism in the CFRT mold shell of the utility model;

[0025] In the figure: 1. Shell top; 2. Shell peripheral wall; 3. Shell bottom flange; 4. Main reinforcing ribs; 5. Ring holes; 6. Ejection ropes; 7. Pull rings; 8. Pull rods; 9. Buckles; 10. Magnetic protrusions; 11. Threaded short cylinders; 12. Reinforcing ribs. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as "middle", "upper", "lower", "left", "right", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0028] Embodiment 1:

[0029] like Figure 1 to Figure 5 As shown, a CFRT mold shell includes an integrally formed shell top 1, a shell peripheral wall 2 and a shell bottom flange 3, wherein arc transitions are arranged between the shell peripheral wall 2 and the shell top 1 and between the shell peripheral wall 2 and the shell bottom flange 3, and the cross-sectional size of the shell peripheral wall 2 is gradually increased from the shell top 1 to the shell bottom flange 3; a plurality of main reinforcing ribs 4 are arranged on the inner side of the shell peripheral wall 2, and at least one annular hole 5 is respectively arranged on the main reinforcing ribs 4, and demolding ropes 6 are respectively connected to the annular holes 5, and a plurality of the demolding ropes 6 are converged and connected to a demolding mechanism, and the demolding mechanism is detachably connected to the shell top 1.

[0030] The mold shell has improved its internal structure and demoulding method, so that it is easy to demould during use. The main structure of the mold shell will not be damaged during demoulding, demoulding by warping the edges is avoided, and the shell bottom flange edge 3 is avoided from being damaged by unstable external forces. The integrity of the entire mold shell is well maintained, which is conducive to repeated use and reduces material damage and construction costs.

[0031] When the formwork is demoulded, the demoulding mechanism is pulled outward, so that the plurality of demoulding ropes 6 are stressed and tightened at the same time. The main reinforcing ribs 4 are pulled and driven to move the entire formwork downward, gradually separating from the concrete until they are completely separated and demoulded.

[0032] Since the shell peripheral wall 2 is set with a gradual size change from top to bottom, it has a certain draft angle, which is conducive to demoulding. In addition, the upper and lower corners are both arc transition settings, which is also conducive to the separation of concrete and formwork, and can also avoid stress concentration and reduce the risk of formwork rupture.

[0033] By demoulding with the above structure and method, the pulling force will be transmitted to the main reinforcing rib 4, which is a structure integrally formed with the entire mold shell, and can share the force well. In addition, due to its symmetrical arrangement, the force in each direction is also relatively uniform and balanced, and the mold shell body will not be easily damaged during the demoulding process. The main reinforcing rib itself also has the function of enhancing the strength and structural stability of the mold shell.

[0034] The arrangement of the demoulding rope 6 and the demoulding mechanism facilitates manual use and operation on the one hand, and on the other hand, does not open holes or grooves on the main structure of the mold shell, which is beneficial to maintaining the structural integrity of the mold shell body and avoiding leakage of the mold shell after repeated use.

[0035] The demoulding mechanism can also be connected to the shell top 1 when not in use, so as to avoid it being hung in the mold shell at will, and to avoid the entanglement and random falling of the demoulding ropes 6, so as to reduce the negative impact thereof when the mold shell is installed. In use, it can be separated from the shell top.

[0036] In addition, the demoulding rope 6 and the pulling mechanism can be separated from the mold shell. During the transportation of the product out of the factory, the mold shell and the demoulding mechanism can be packaged separately, so that the mold shell can be transported by stacking them together; simple assembly and connection are required at the construction site.

[0037] In this embodiment, the CFRT mold shell is made of ultra-long fiber reinforced thermoplastic composite material as the base material, and is produced by an injection molding + compression molding composite process and a fully automatic assembly line.

[0038] Furthermore, the demoulding mechanism includes a pull ring 7, one end of which is connected to a pull rod 8, and a buckle 9 is provided on the pull rod 8. The buckles 9 are respectively connected to the demoulding pull ropes 6, and one end of the pull rod 8 away from the pull ring 7 is detachably connected to the shell top 1.

[0039] The setting of the pull ring 7 facilitates applying external force to pull the pull rod 8, and the pull rod 8 not only plays the role of connecting the ring buckle 9, but also can be connected with the shell top 1. The drafting mechanism of this structure is simple and practical, and is easy to manufacture and install.

[0040] Furthermore, the ring buckle 9 is fixedly sleeved on the pull rod 8, or an annular limiting groove is provided on the outer periphery of the pull rod 8, and the ring buckle 9 is rotatably installed in the annular limiting groove.

[0041] The buckle 9 can be fixedly connected to the pull rod 8 or movably connected. In the movably connected state, the buckle 9 and the pull rod 8 can rotate relative to each other, so that the position of the pull ring can be adjusted, and the pull rod can be twisted without causing the demolding rope to twist.

[0042] Furthermore, a magnetic protrusion 10 is provided on the inner end surface of the shell top 1 , and the end of the pull rod 8 is adsorbed on the magnetic protrusion 10 .

[0043] In this structure, the pull rod 8 is connected by magnetic attraction, which is simpler and more convenient; the magnetic attraction protrusion 10 can be an iron sheet or a magnetic sheet embedded therein, and a magnet can also be embedded at the end of the pull rod.

[0044] Furthermore, the main reinforcing rib 4 extends from the inner end surface of the shell top 1 toward the inner periphery of the shell peripheral wall 2 and extends to the shell bottom flange edge 3, and the main reinforcing rib 4 is provided with a raised portion in the middle area of ​​the shell peripheral wall 2, and the annular hole 5 is provided at the raised portion.

[0045] The width of the main reinforcing rib 4 is not fixed, and its width will vary slightly according to its arrangement position. The arrangement of the raised portion makes the portion wider and thicker so as to provide the ring hole 5, which is beneficial for connecting the draft rope and bearing force.

[0046] Further, the draft rope 6 is a nylon rope. The nylon rope has good strength and good flexibility, and can reduce the cutting of the rope to the ring hole when pulling, and a rubber ring can also be set at the ring hole for protection.

[0047] Furthermore, the inner sides of the shell top 1 and the shell peripheral wall 2 are also provided with crisscross reinforcing ribs 12, and the thickness of the main reinforcing ribs 4 is not less than the thickness of the reinforcing ribs 12. These reinforcing ribs 12 can improve the strength and stability of the formwork as a whole. When the reinforcing ribs 12 meet the main reinforcing ribs 4, the reinforcing ribs 12 can be disconnected to avoid affecting the integrity of the main reinforcing ribs.

[0048] In some embodiments, the shell peripheral wall 2 is an annular peripheral wall, and a plurality of the main reinforcing ribs 4 are centrally symmetrically arranged.

[0049] In some embodiments, the shell peripheral wall 2 has four side walls, and the four side walls are all arranged with arc transitions, and a plurality of main reinforcing ribs 4 are arranged along the middle position of each side wall and / or along the angle bisector of adjacent side walls. The main reinforcing ribs 4 are arranged at these positions, so that the force can be well received and the side wall can be separated from the concrete.

[0050] Furthermore, the outer surfaces of the shell top 1, the shell peripheral wall 2 and the shell bottom flange 3 are also provided with a release agent coating. By applying the release agent, the adhesion of concrete can be reduced, which is beneficial to the subsequent demoulding.

[0051] Embodiment 2:

[0052] The difference between this embodiment and the first embodiment is that the connection method of the pull rod is different. Figure 6 As shown, the inner end surface of the shell top 1 is provided with a short stud or a threaded short cylinder 11 , and the end of the pull rod 8 is screwed on the short stud or the threaded short cylinder 11 .

[0053] In this structure, the pull rod 8 is detachably connected to the shell top 1 by means of a threaded connection, and the end of the pull rod 8 can be provided with an internal thread or an external thread.

[0054] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A CFRT mold shell, characterized in that: It comprises an integrally formed shell top, shell peripheral wall and shell bottom flange, wherein arc transition is arranged between the shell peripheral wall and the shell top, and between the shell peripheral wall and the shell bottom flange, and the size of the shell peripheral wall is gradually increased from the shell top to the shell bottom flange; a plurality of main reinforcing ribs are arranged on the inner side of the shell peripheral wall, and annular holes are respectively arranged on the main reinforcing ribs, and demoulding ropes are respectively connected to the annular holes, and a plurality of the demoulding ropes are converged and connected to a demoulding mechanism, and the demoulding mechanism is detachably connected to the shell top.

2. The CFRT mold shell according to claim 1, characterized in that: The demoulding mechanism comprises a pull ring, one end of which is connected to a pull rod, and a buckle is provided on the pull rod, and the buckles are respectively connected to the demoulding pull ropes, and one end of the pull rod away from the pull ring is detachably connected to the shell top.

3. The CFRT mold shell according to claim 2, characterized in that: The buckle fixing sleeve is arranged on the pull rod, or the outer circumference of the pull rod is provided with an annular limiting groove, and the buckle is rotatably installed at the annular limiting groove.

4. The CFRT mold shell according to claim 2, characterized in that: The inner end surface of the shell top is provided with a short stud or a threaded short cylinder, and the end of the pull rod is screwed on the short stud or the threaded short cylinder; or, the inner end surface of the shell top is provided with a magnetic protrusion, and the end of the pull rod is adsorbed on the magnetic protrusion.

5. The CFRT mold shell according to claim 1, characterized in that: The main reinforcing rib extends from the inner end surface of the shell top to the inner periphery of the shell peripheral wall and extends to the flange edge of the shell bottom. The main reinforcing rib is provided with a raised portion in the middle area of ​​the shell peripheral wall, and the annular hole is provided at the raised portion.

6. The CFRT mold shell according to claim 1, characterized in that: The draft rope is a nylon rope.

7. The CFRT mold shell according to claim 1, characterized in that: The inner sides of the shell top and the shell peripheral wall are also provided with crisscross reinforcing ribs, and the thickness of the main reinforcing ribs is not less than the thickness of the reinforcing ribs.

8. The CFRT mold shell according to claim 1, characterized in that: The shell peripheral wall is an annular peripheral wall, and a plurality of the main reinforcing ribs are centrally symmetrically arranged.

9. The CFRT mold shell according to claim 1, characterized in that: The shell peripheral wall has four side walls, and the four side walls are all arranged with arc transitions. A plurality of main reinforcing ribs are arranged along the middle position of each side wall and / or along the angle bisectors of adjacent side walls.

10. The CFRT mold shell according to claim 1, characterized in that: The outer surfaces of the shell top, the shell peripheral wall and the shell bottom flange edge are also respectively provided with a release agent coating.

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