Fabricated building laminated slab mold
By introducing leak-proof components and demolding components into the laminated plate mold, the problem of leakage and demolding difficulties is solved, and efficient casting and easy removal of molded plates is achieved.
Patent Information
- Application Number
- CN202421833619.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-07-31
AI Technical Summary
Existing laminated plate molds are prone to leakage when pouring concrete, which affects the quality and leads to waste of concrete. At the same time, it is not convenient to demold the molding of laminated plates, reducing work efficiency.
The design of leak-proof components and mold release components is adopted, including leak-proof plates, connecting threaded rods, guide rods, hydraulic cylinders, etc. The sealing of concrete and stable mold release of molded plates is achieved through the cooperation of handwheels and electric telescopic rods.
Effectively prevent concrete leakage, improve casting quality, and facilitate the removal of molded laminated plates, improving work efficiency.
Smart Images

Figure CN223085046U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laminated plates, in particular to a formwork for precast and cast-in-place composite slabs in prefabricated buildings. Background Art
[0002] A composite slab is an assembled monolithic floor slab formed by laminating a precast slab and a cast-in-place reinforced concrete layer. The precast slab is both a component of the floor slab structure and a permanent formwork for the cast-in-place concrete composite layer. The composite floor slab has good integrity, high stiffness, and flat upper and lower surfaces, which is convenient for the decoration of the finishing layer. When casting and manufacturing the composite slab, a formwork for the composite slab is required.
[0003] After retrieval, the publication number is CN217777279U, and the name is a modular prefabricated formwork for precast composite slabs in prefabricated buildings, including two side formworks. Through research and analysis, it is found that although it is convenient for the production and manufacturing of composite slabs with different sizes and specifications, to a certain extent, there are still the following disadvantages.
[0004] For example, when injecting concrete into the formwork, it is easy to leak, and it does not have the function of preventing concrete leakage. Therefore, the concrete poured into the formwork flows out, affecting the pouring quality and causing waste of concrete. Moreover, after the casting is formed, it does not have the function of facilitating demoulding. Therefore, it is not convenient to take out the formed composite slab from the formwork, affecting the speed of taking out the composite slab and reducing the work efficiency. To solve the above technical problems, we have designed a formwork for precast and cast-in-place composite slabs in prefabricated buildings. Content of the Utility Model
[0005] The purpose of the utility model is to provide a formwork for precast and cast-in-place composite slabs in prefabricated buildings, which has the advantages of preventing concrete leakage and facilitating the demoulding of the formed composite slab, and solves the problems of not having the function of preventing concrete leakage and not being convenient for demoulding the formed composite slab.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A formwork for precast and cast-in-place composite slabs in prefabricated buildings, including a bottom formwork, a leakage prevention component is installed on the top of the bottom formwork, the leakage prevention component includes connecting threaded rods, a leakage prevention plate and guide rods, a demoulding component is installed on the bottom of the bottom formwork, the demoulding component includes a hydraulic cylinder, a pushing plate and a long plate, the bottom of the bottom formwork is bolted to a support plate, and a second electric telescopic rod is penetrated through the surface of the support plate.
[0007] Preferably, one end of the second electric telescopic rod is bolted to a short plate, the top end of the short plate penetrates to the top of the bottom formwork and is bolted to an L-shaped plate, and the bottom end of the connecting threaded rod penetrates through the top of the L-shaped plate.
[0008] Preferably, the top of the anti-leakage plate is movably connected to the bottom end of the connecting threaded rod through a bearing, the bottom end of the guiding rod is fixedly connected to the top of the anti-leakage plate through a bolt, and the top end of the guiding rod penetrates through the top of the L-shaped plate.
[0009] Preferably, a connecting nut is sleeved on the surface of the connecting threaded rod in a threaded manner, the bottom of the connecting nut is welded to the top of the L-shaped plate, and a hand wheel is welded to the top end of the connecting threaded rod.
[0010] Preferably, the bottom of the bottom formwork is connected to the support frame through a bolt, the bottom of the hydraulic cylinder is fixedly connected to the inner wall of the support frame through a bolt, the top end of the hydraulic cylinder is fixedly connected to the bottom of the pushing plate through a bolt, the bottom end of the pushing plate penetrates through the surface of the bottom formwork, grooves are formed on both the left and right sides of the top of the pushing plate, and U-shaped frames are connected to both the left and right sides of the bottom of the pushing plate through bolts, and a first electric telescopic rod is arranged through the surface of the U-shaped frame.
[0011] Preferably, the top end of the first electric telescopic rod penetrates into the inner cavity of the groove and is fixedly connected to the bottom of the long plate through a bolt, and a stabilizing telescopic rod is connected to the bottom of the inner cavity of the support frame through a bolt, and the top end of the stabilizing telescopic rod is fixedly connected to the bottom of the pushing plate through a bolt.
[0012] Preferably, the top of the bottom formwork is respectively connected to a first side formwork and a second side formwork through bolts, and both the front and rear ends of the second side formwork are fixedly connected to the surface of the first side formwork through bolts.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] 1. The present utility model is combined with an anti-leakage plate, a hand wheel, a connecting threaded rod, a guiding rod, an L-shaped plate and a connecting nut, and has the advantage of preventing concrete leakage. After the steel bars are placed on the first side formwork and the second side formwork, by rotating the hand wheel, the connecting threaded rod rotates, and under the guiding action of the guiding rod, the connecting threaded rod can drive the anti-leakage plate to descend, so as to seal the outside of the first side formwork and the second side formwork, prevent the concrete from flowing out through the holes on the first side formwork and the second side formwork after pouring, improve the pouring quality, and prevent the waste of concrete.
[0015] 2. The present utility model is combined with a pushing plate, a long plate, a hydraulic cylinder, a U-shaped frame, a first electric telescopic rod and a stabilizing telescopic rod, and has the advantage of facilitating the demoulding of the formed composite slab. After the forming is completed, the hydraulic cylinder is used to push the pushing plate to rise, so that the pushing plate moves between the first side formwork and the second side formwork, and then the first electric telescopic rod is used to push the long plate to move, so that the formed composite slab can be separated from the pushing plate, which is convenient for removing the formed composite slab and improves the removal speed of the composite slab. Description of the Drawings
[0016] Figure 1 This is the three-dimensional structure schematic diagram of the utility model;
[0017] Figure 2 This is the bottom-up three-dimensional structure schematic diagram of the utility model;
[0018] Figure 3 This is the partial left-side three-dimensional structure schematic diagram of the utility model;
[0019] Figure 4 This is the partial three-dimensional structure schematic diagram of the utility model;
[0020] Figure 5 This is the partial exploded three-dimensional structure schematic diagram of the utility model.
[0021] In the figure: 1, bottom template; 2, leak-proof component; 201, leak-proof plate; 202, handwheel; 203, connecting threaded rod; 204, guide rod; 205, L-shaped plate; 206, connecting nut; 3, demoulding component; 301, pushing plate; 302, long plate; 303, hydraulic cylinder; 304, U-shaped frame; 305, first electric telescopic rod; 306, stable telescopic rod; 4, second electric telescopic rod; 5, support plate; 6, first side template; 7, support frame; 8, short plate; 9, second side template. Specific embodiments
[0022] Please refer to Figures 1 - 5 , a formwork for assembled building composite slabs, including a bottom template 1, a leak-proof component 2 is installed on the top of the bottom template 1, the leak-proof component 2 includes a connecting threaded rod 203, a leak-proof plate 201 and a guide rod 204. By setting the guide rod 204, the leak-proof plate 201 can be guided. When the connecting threaded rod 203 rotates, the leak-proof plate 201 moves up and down. A demoulding component 3 is installed at the bottom of the bottom template 1, the demoulding component 3 includes a hydraulic cylinder 303, a pushing plate 301 and a long plate 302. The bottom of the bottom template 1 is bolted to a support plate 5, and a second electric telescopic rod 4 penetrates through the surface of the support plate 5;
[0023] Please refer to Figure 1 and Figure 4 , one end of the second electric telescopic rod 4 is bolted to a short plate 8, the top end of the short plate 8 penetrates through the top of the bottom template 1 and is bolted to an L-shaped plate 205, and the bottom end of the connecting threaded rod 203 penetrates through the top of the L-shaped plate 205;
[0024] Please refer to Figure 1 and Figure 4, the top of the leak-proof plate 201 is movably connected to the bottom end of the connecting threaded rod 203 through a bearing, the bottom end of the guide rod 204 is fixedly connected to the top of the leak-proof plate 201 through a bolt, and the top end of the guide rod 204 penetrates through to the top of the L-shaped plate 205;
[0025] Please refer to Figure 1 and Figure 4 , a connecting nut 206 is sleeved on the surface of the connecting threaded rod 203, the bottom of the connecting nut 206 is welded to the top of the L-shaped plate 205, and a handwheel 202 is welded to the top end of the connecting threaded rod 203;
[0026] Please refer to Figure 1 , Figure 2 and Figure 5 , the bottom of the bottom template 1 is connected to the support frame 7 through a bolt, the bottom of the hydraulic cylinder 303 is fixedly connected to the inner wall of the support frame 7 through a bolt, the top end of the hydraulic cylinder 303 is fixedly connected to the bottom of the push plate 301 through a bolt, the bottom end of the push plate 301 penetrates through the surface of the bottom template 1, grooves are formed on both the left and right sides of the top of the push plate 301, U-shaped frames 304 are connected to both the left and right sides of the bottom of the push plate 301 through bolts, and a first electric telescopic rod 305 is arranged through the surface of the U-shaped frame 304. By setting the first electric telescopic rod 305, the long plate 302 can be pushed to move, so that the formed laminated board can be separated from the push plate 301, and the formed laminated board can be taken off more easily;
[0027] Please refer to Figure 1 , Figure 2 and Figure 5 , the top end of the first electric telescopic rod 305 penetrates into the inner cavity of the groove and is fixedly connected to the bottom of the long plate 302 through a bolt, and a stable telescopic rod 306 is connected to the bottom of the inner cavity of the support frame 7 through a bolt. By setting the stable telescopic rod 306, the push plate 301 can be supported, and when the hydraulic cylinder 303 pushes the push plate 301 to move, the push plate 301 can move more stably. The top end of the stable telescopic rod 306 is fixedly connected to the bottom of the push plate 301 through a bolt;
[0028] Please refer to Figure 3 , the top of the bottom template 1 is respectively connected with a first side template 6 and a second side template 9 through bolts, and both the front and rear ends of the second side template 9 are fixedly connected to the surface of the first side template 6 through bolts.
[0029] In use, an external controller is connected. Rotate the handwheel 202 to rotate the connecting threaded rod 203. Under the guiding action of the guiding rod 204, the leak-proof plate 201 rises. The shortening of the second electric telescopic rod 4 drives the short plate 8 to move, so that the L-shaped plate 205 moves away from the first side form 6 and the second side form 9. Place the steel bars on the first side form 6 and the second side form 9. After the placement is completed, use the second electric telescopic rod 4 again to make the L-shaped plate 205 approach the first side form 6 and the second side form 9, so that the leak-proof plate 201 can contact the first side form 6 and the second side form 9. Rotate the handwheel 202 to rotate the connecting threaded rod 203 again, so that the leak-proof plate 201 descends, thereby blocking the holes on the first side form 6 and the second side form 9, preventing the concrete from flowing out of the holes on the first side form 6 and the second side form 9 when pouring the concrete. After the forming is completed, rotate the handwheel 202 again to make the connecting threaded rod 203 drive the leak-proof plate 201 to move upward. The shortening of the second electric telescopic rod 4 makes the L-shaped plate 205 move away from the first side form 6 and the second side form 9 again. The hydraulic cylinder 303 extends to push the push plate 301 upward, so that the formed composite slab can be moved out between the first side form 6 and the second side form 9. Then, use the first electric telescopic rod 305 to push the long plate 302 upward, so that the composite slab can be separated from the push plate 301, making it easier to remove the composite slab and improving the convenience of removing the composite slab.
[0030] In summary, for this precast building composite slab mold, through the cooperation of the leak-proof plate 201, handwheel 202, connecting threaded rod 203, guiding rod 204, L-shaped plate 205, connecting nut 206, push plate 301, long plate 302, hydraulic cylinder 303, U-shaped frame 304, first electric telescopic rod 305 and stable telescopic rod 306, the problems of not being able to prevent concrete leakage and being inconvenient to demold the formed composite slab are solved.
Claims
1. A prefabricated building composite slab mold, including a bottom formwork (1), characterized in that: A leak-proof component (2) is installed on the top of the bottom formwork (1). The leak-proof component (2) includes a connecting threaded rod (203), a leak-proof plate (201) and a guide rod (204). A demoulding component (3) is installed on the bottom of the bottom formwork (1). The demoulding component (3) includes a hydraulic cylinder (303), a pushing plate (301) and a long plate (302). A support plate (5) is connected to the bottom of the bottom formwork (1) by bolts. A second electric telescopic rod (4) is arranged through the surface of the support plate (5).
2. The prefabricated building composite slab mold according to claim 1, wherein: One end of the second electric telescopic rod (4) is connected to a short plate (8) by bolts. The top end of the short plate (8) penetrates to the top of the bottom formwork (1) and is connected to an L-shaped plate (205) by bolts. The bottom end of the connecting threaded rod (203) penetrates the top of the L-shaped plate (205).
3. The prefabricated building composite slab mold according to claim 2, characterized in that: The top of the leak-proof plate (201) is movably connected to the bottom end of the connecting threaded rod (203) through a bearing. The bottom end of the guide rod (204) is fixedly connected to the top of the leak-proof plate (201) by bolts. The top end of the guide rod (204) penetrates to the top of the L-shaped plate (205).
4. The precast building composite slab mold according to claim 3, characterized in that: A connecting nut (206) is sleeved on the surface of the connecting threaded rod (203). The bottom of the connecting nut (206) is welded to the top of the L-shaped plate (205). A handwheel (202) is welded to the top end of the connecting threaded rod (203).
5. The assembled building composite slab mold according to claim 1, characterized in that: The bottom of the bottom formwork (1) is connected to a support frame (7) by bolts. The bottom of the hydraulic cylinder (303) is fixedly connected to the inner wall of the support frame (7) by bolts. The top end of the hydraulic cylinder (303) is fixedly connected to the bottom of the pushing plate (301) by bolts. The bottom end of the pushing plate (301) penetrates the surface of the bottom formwork (1). Grooves are formed on the left and right sides of the top of the pushing plate (301). The left and right sides of the bottom of the pushing plate (301) are connected to a U-shaped frame (304) by bolts. A first electric telescopic rod (305) is arranged through the surface of the U-shaped frame (304).
6. The prefabricated building composite slab mold according to claim 5, characterized in that: The top end of the first electric telescopic rod (305) penetrates into the inner cavity of the groove and is fixedly connected to the bottom of the long plate (302) by bolts. A stable telescopic rod (306) is connected to the bottom of the inner cavity of the support frame (7) by bolts. The top end of the stable telescopic rod (306) is fixedly connected to the bottom of the pushing plate (301) by bolts.
7. The prefabricated building composite slab mold according to claim 1, characterized in that: A first side formwork (6) and a second side formwork (9) are respectively connected to the top of the bottom formwork (1) by bolts. The front and rear ends of the second side formwork (9) are fixedly connected to the surface of the first side formwork (6) by bolts.