A cross-grain mold for precast concrete floor slabs

By designing cross-grained convex strips with a width of 10mm and a spacing of 8mm in the mold, the problems of complex mold processing and insufficient pattern depth are solved, and production costs are reduced and mold service life is extended. The concrete leakage is reduced through the gap filling device and the floor forming quality is improved.

CN116277418BActive Publication Date: 2025-06-20SHANDONG CHENGKAI YUANDA PREFABRICATED CONSTR CO LTD
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Patent Information

Application Number
CN202310360990.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-06
Publication Date
2025-06-20
Estimated Expiration
2043-04-06

AI Technical Summary

Technical Problem

In the prior art, the mold processing process is complicated, and the stamping process is required to increase to form patterns, resulting in increased processing costs, deformation of the mold, difficulty in controlling the accuracy, and the pattern depth is less than 4mm, the appearance and appearance of the components are poor, and concrete leakage is prone to occur when precast concrete floors.

Method used

A horizontal mold for precast concrete floor slabs is designed, and an L-shaped structure is formed by a fixed plate and a support plate. A horizontal convex strip with a width of 10mm and a spacing of 8mm is set on the fixed plate. The mold embossment process is omitted, the mold usage cycle is increased, and concrete leakage is reduced through a gap filling device.

Benefits of technology

Through the design of cross-grained convex strips, the mold embossing process is avoided, the production cost is reduced, the mold service life is extended, and concrete leakage is reduced through the gap filling device, which improves the quality of floor molding.

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Abstract

The present invention discloses a cross-grain mold for precast concrete floor slabs, which relates to the technical field of floor slab molds and includes a shaping plate. One side of the shaping plate is fixedly installed with cross-grain ridges. A positioning groove is formed at the top of the shaping plate. A support plate is fixedly installed at the bottom of the shaping plate. A gap filling device is movably installed on the top of the support plate. Docking plates are fixedly installed at both ends of the shaping plate. In the present invention, the shaping plate and the support plate form an L-shaped structure, and two cross-grain ridges with a width of 10 mm and a spacing of 8 mm are made at the contact surface between the shaping plate and the concrete to form a cross-grain shape of this shape after the component is hardened. Moreover, due to the existence of the cross-grain ridges, the entire mold will have a certain roughness, so the mold embossing process can be omitted. And the existence of the cross-grain ridges can effectively solve the problem of stress concentration of the profile, thereby minimizing the wear during mold processing and increasing the number of use cycles of the mold by 30%.
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Description

Technical Field

[0001] The present invention relates to the technical field of floor molds, and specifically to a cross-grain mold for precast concrete floors. Background Art

[0002] An assembled building is a building assembled from precast components at the construction site. Compared with the slow construction progress of traditional buildings, an assembled building only needs to pre-fabricate the floor slabs, wall panels and other structures of the building in the form of precast components through precast molds, and then transport them to the construction site for assembly, effectively accelerating the construction progress of the building.

[0003] In the prior art, such as "A Precast Floor Mold and Floor" with Chinese Patent No.: CN111844379B, it includes a table mold, an end mold arranged on the table mold, and a cut-off corner mold connected to the end of the end mold; the end mold is placed on the outermost circle of the pouring area on the table mold; the cut-off corner mold includes at least two single templates, and the single templates are rotatably connected to the nearest end mold; corner connectors are provided at the connection angles between adjacent end molds, the connection angles between the end mold and the single template, and the connection angles between adjacent single templates for connection. The corner connectors are clamped on the outside of the connection angles. Vertical upward clamping plates are connected to the outside of the end mold and the cut-off corner mold, and the clamping plates and the end mold and the cut-off corner mold respectively form upward-opening card slots, and the corner connectors are clamped in the card slots at the connection angles.

[0004] However, in the prior art, due to the mold processing technology problems, the mold processing process is relatively complex, and a stamping process needs to be added to form the pattern, resulting in an increase in processing costs. Moreover, this process will cause the mold to deform, the accuracy cannot be controlled, and the quality of the produced components cannot be guaranteed. At the same time, the existing mold pattern depth cannot meet the requirement of 4 mm depth, and the appearance of the produced components is relatively poor. When using a traditional mold to precast a concrete floor slab, steel bars need to be added in the grooves of the mold. In order to determine the position of the steel bars, multiple card slots for positioning the steel bars are usually opened on the mold. These card slots may cause concrete leakage during the actual precasting of the concrete floor slab. When the leakage quantity is large, it will directly affect the final forming of the floor slab. Summary of the Invention

[0005] The purpose of the present invention is to provide a cross-grain mold for precast concrete floor slabs, so as to solve the problems raised in the above background technology. Due to the mold processing technology problems, the mold processing process is relatively complex, and a stamping process needs to be added to form the pattern, resulting in an increase in processing costs. Moreover, this process will cause the mold to deform, the accuracy cannot be controlled, and the quality of the produced components cannot be guaranteed. At the same time, the pattern depth of the existing mold cannot meet the requirement of 4 mm depth, and the appearance of the produced components is relatively poor. When using traditional molds for precast concrete floor slabs, steel bars need to be added in the grooves of the mold. In order to determine the position of the steel bars, multiple card slots for positioning the steel bars are usually opened on the mold. These card slots may cause concrete leakage during the actual precast of the concrete floor slab. When the leakage quantity is large, it will directly affect the final forming of the floor slab.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A cross-grain mold for precast concrete floor slabs, including a shaping plate, on one side of the shaping plate, there is a fixedly installed cross-grain convex strip, on the top of the shaping plate, there is a positioned groove opened, at the bottom of the shaping plate, there is a fixedly installed support plate, on the top of the support plate, there is a movably installed gap filling device, and at both ends of the shaping plate, there are fixedly installed docking plates;

[0007] The gap filling device includes a support platform and a sealing plate. There is a sliding connection between the top of the support plate and the bottom of the support platform. One end of the support platform is fixedly connected with a steel bar pressing ring, and one end of the steel bar pressing ring is lapped on one side of the shaping plate. One side of the sealing plate is slidably connected with a limiting plate. At the junction of the sealing plate and the limiting plate, there is a fixedly installed transfer plate. At the bottom of the sealing plate, there is a docking card slot opened. The shape of the sealing plate is adapted to the shape of the positioned groove;

[0008] One side of the limiting plate is fixedly connected with a docking block. One end of the docking block is movably connected with an installation connection platform. One end of the installation connection platform is fixedly connected with a movable sliding platform. At the bottom of the movable sliding platform, there is a fixedly installed limiting frame. There is a sliding connection between the bottom of the limiting frame and a limiting guide rail. At the junction of the limiting frame and the limiting guide rail, there is a fixedly installed anti-detachment buckle. One end of the movable sliding platform is movably connected with a transmission rod;

[0009] The other end of the transmission rod is fixedly connected with a limiting rod. The other end of the limiting rod is fixedly connected with a positioning rod. Both ends of the positioning rod are rotatably connected with transmission plates. One end of the transmission plate is fixedly connected with a Y-shaped bracket.

[0010] Preferably, one end of the support platform is fixedly installed with a fixed base. On the top of the fixed base, there is a fixedly installed partition plate. On the top of the partition plate, there is a fixedly installed connecting convex block. On one side of the fixed base, there is a fixedly installed limiting ring. Both the transmission rod and the limiting rod penetrate through the limiting ring.

[0011] Preferably, a connecting cross bar is fixedly installed at the junction of the Y-shaped bracket and the transmission plate. One end of the Y-shaped bracket is rotatably connected inside the connecting convex block, and a control handle is fixedly installed at the other end of the Y-shaped bracket.

[0012] Preferably, a limiting screw is fixedly installed inside the limiting guide rail, and the bottom of the limiting screw is fixedly connected inside the support platform.

[0013] Preferably, a receiving through hole is formed inside the adapter plate. Both ends of the limiting plate are movably connected with movable rods, and the shape of the movable rods is adapted to the shape of the receiving through hole.

[0014] Preferably, a limiting block is fixedly installed at one end of the movable slide table, and a rectangular block is fixedly installed at one end of the transmission rod. One end of the transmission rod is clamped inside the limiting block through the provided rectangular block.

[0015] Preferably, a guiding rod is fixedly connected to one end of the support platform. A threaded groove is formed at the other end of the guiding rod. The guiding rod penetrates through the support plate. A limiting nut is threadedly connected to one end of the guiding rod, and one side of the limiting nut abuts against the outer wall of the support plate.

[0016] Preferably, a vibrating plate is movably installed inside the plugging plate. A reinforcing plate is fixedly connected to one side of the vibrating plate, and micro-vibrating motors are fixedly installed on both sides of the reinforcing plate.

[0017] Preferably, telescopic rods are fixedly installed at both ends of the reinforcing plate. A tension spring is sleeved on the outer wall of the telescopic rods. The other ends of the tension spring and the telescopic rods are fixedly connected to a support frame. One end of the support frame is fixedly connected to a support foot seat, and the support foot seat is fixedly installed on the inner wall of the plugging plate.

[0018] Preferably, a positioning table is fixedly installed at the junction of the support plate and the support platform. A limiting chute is formed at the junction of the positioning table and the support platform, and a positioning hole is formed at the junction of the positioning table and the guiding rod.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. In the present invention, a L-shaped structure is formed by a shaping plate and a support plate, and two transverse stripe protrusions with a width of 10 mm and a spacing of 8 mm are made at the contact surface between the shaping plate and the concrete to form a transverse stripe shape on the hardened member. Moreover, due to the existence of the transverse stripe protrusions, the entire mold will have a certain roughness, so the mold embossing process can be omitted. And the existence of the transverse stripe protrusions can effectively solve the problem of stress concentration of the profile, thus minimizing the wear during mold processing, increasing the number of times the mold can be used by 30%, reducing the cost of using the mold. At the same time, an additional gap filling device is added to the side of the shaping plate to fill the gap at the connection between the steel bar and the shaping plate, reducing the leakage of concrete, concentrating the concrete on the side of the shaping plate as much as possible, and improving the quality of the floor slab forming.

[0021] 2. In the present invention, a transmission rod is used to push the movable slide along the direction of the limit guide rail, so that the sealing plate can be sent into the positioning groove to fill the gap above the steel bar, thereby preventing the concrete from flowing out from the positioning groove. The sealing plate is connected to the positioning plate through a limit plate to avoid misalignment between the sealing plate and the shaping plate. And the specific height of the sealing plate can be adjusted through an adapter plate to ensure that it can be stably pressed on the steel bar. The use of the steel bar pressing ring can effectively improve the limit effect on the steel bar, ensuring that the impact on the steel bar during concrete vibration is reduced.

[0022] 3. In the present invention, a vibration plate is arranged inside the sealing plate, which is controlled by a micro vibration motor. After the sealing plate is fitted into the positioning groove, the vibration plate can vibrate within a certain range to remove the air in the concrete, reduce the occurrence of problems such as honeycombing and pitting, and play a role in increasing the strength and durability of the concrete. And the position of the sealing plate is closer to the position of the steel bar. The existence of the steel bar will cause some coarse aggregates to be stuck by the steel bar, resulting in only fine aggregates being able to fall, which will seriously affect the strength of the concrete after forming. The vibration of the vibration plate can make the concrete poured in the area where the steel bars are dense more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic side structure view of a cross-striped mold for a precast concrete floor slab of the present invention;

[0024] Figure 2 is a schematic bottom structure view of a cross-striped mold for a precast concrete floor slab of the present invention;

[0025] Figure 3 is a schematic structure view of the gap filling device of a cross-striped mold for a precast concrete floor slab of the present invention;

[0026] Figure 4 of the present inventionFigure 3 Schematic enlarged view of the structure of part A

[0027] Figure 5 Schematic connection structure diagram of the movable slide and the limit plate of a cross - grain mold for a precast concrete floor slab according to the present invention

[0028] Figure 6 Schematic external structure diagram of the plugging plate of a cross - grain mold for a precast concrete floor slab according to the present invention

[0029] Figure 7 Schematic internal structure diagram of the plugging plate of a cross - grain mold for a precast concrete floor slab according to the present invention

[0030] Figure 8 Schematic plan structure diagram of the reinforcement plate of a cross - grain mold for a precast concrete floor slab according to the present invention

[0031] Figure 9 Schematic structure diagram of the positioning table of a cross - grain mold for a precast concrete floor slab according to the present invention

[0032] In the figure:

[0033] 1, shaping plate; 2, positioning groove; 3, cross - grain rib; 4, gap filling device; 5, docking plate; 6, support plate; 7, positioning table; 8, limit sliding groove; 9, positioning hole;

[0034] 41, support platform; 42, fixed base; 43, guide rod; 44, threaded groove; 45, limit nut; 46, limit ring; 47, transmission rod; 48, rectangular block; 49, steel bar pressing ring; 410, control handle; 411, partition plate; 412, connecting convex block; 413, Y - shaped bracket; 414, connecting cross - bar; 415, transmission plate; 416, positioning rod; 417, limit rod; 418, movable slide; 419, limit block; 420, limit frame; 421, limit guide rail; 422, anti - detachment buckle; 423, installation connection platform; 424, docking block; 425, limit plate; 426, plugging plate; 427, adapter plate; 428, accommodation through - hole; 429, movable rod; 430, limit screw; 431, docking slot; 432, tension spring; 433, vibrating plate; 434, reinforcement plate; 435, micro - vibration motor; 436, support foot seat; 437, support frame; 438, telescopic rod. Detailed implementation manners

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0036] Refer to Figure 1-8 As shown: A cross-grain mold for precast concrete floor slabs includes a shaping plate 1. One side of the shaping plate 1 is fixedly installed with cross-grain ridges 3. A positioning groove 2 is opened at the top of the shaping plate 1. A support plate 6 is fixedly installed at the bottom of the shaping plate 1. A gap filling device 4 is movably installed on the top of the support plate 6. Docking plates 5 are fixedly installed at both ends of the shaping plate 1. The shaping plate 1 and the support plate 6 form an L-shaped structure. The cross-grain ridges 3 are located at the contact surface between the shaping plate 1 and the concrete, specifically in a structural shape of two with a width of 10 mm and a spacing of 8 mm, so as to form a cross-grain shape after the component hardens. And due to the existence of the cross-grain ridges 3, the shaping plate 1 has a certain roughness, which can omit the embossing process when producing the mold, thereby reducing the production cost. Moreover, the existence of the cross-grain ridges 3 can effectively solve the problem of stress concentration of the profile on the shaping plate 1, thus minimizing the wear during mold processing and increasing the number of uses of the mold by 30%.

[0037] The gap filling device 4 includes a support platform 41 and a sealing plate 426. There is a sliding connection between the top of the support plate 6 and the bottom of the support platform 41. One end of the support platform 41 is fixedly connected with a steel bar pressing ring 49. One end of the steel bar pressing ring 49 is lapped on one side of the shaping plate 1. One side of the sealing plate 426 is slidably connected with a limiting plate 425. A transfer plate 427 is fixedly installed at the junction of the sealing plate 426 and the limiting plate 425. A docking card slot 431 is opened at the bottom of the sealing plate 426. The shape of the sealing plate 426 is adapted to the shape of the positioning groove 2. The entire gap filling device 4 is connected to the support plate 6 through the support platform 41. The sealing plate 426 is used to seal the positioning groove 2 to reduce the leakage amount of concrete. During use, push the support platform 41 to move and press the steel bar pressing ring 49 onto the steel bar in the positioning groove 2. At this time, the sealing plate 426 will be directly above the positioning groove 2. The connection between the transfer plate 427 and the limiting plate 425 provides a vertical movement space for the sealing plate 426. Press down the sealing plate 426 into the positioning groove 2 to fill the space above the steel bar. The sealing plate 426 docks with the steel bar through the docking card slot 431 to further narrow the gap.

[0038] One side of the limit plate 425 is fixedly connected with a docking block 424. One end of the docking block 424 is movably connected with a mounting connection platform 423. One end of the mounting connection platform 423 is fixedly connected with a movable sliding table 418. The bottom of the movable sliding table 418 is fixedly installed with a limit frame 420. The bottom of the limit frame 420 is slidably connected with a limit guide rail 421. An anti-disengagement buckle 422 is fixedly installed at the junction of the limit frame 420 and the limit guide rail 421. One end of the movable sliding table 418 is movably connected with a transmission rod 47. The limit plate 425 is connected to the mounting connection platform 423 through the docking block 424. When necessary, the limit plate 425 can be disassembled to avoid affecting the placement of the steel bars. The transmission rod 47 pushes the movable sliding table 418 to move along the direction of the limit guide rail 421 to change the position of the sealing plate 426. The movable sliding table 418 is connected to the limit guide rail 421 through the anti-disengagement buckle 422 to ensure the stability of the movable sliding table 418;

[0039] The other end of the transmission rod 47 is fixedly connected with a limit rod 417. The other end of the limit rod 417 is fixedly connected with a positioning rod 416. Both ends of the positioning rod 416 are rotatably connected with a transmission plate 415. One end of the transmission plate 415 is fixedly connected with a Y-shaped bracket 413. The limit rod 417 determines the movement route of the transmission rod 47 to ensure that its movement route is a straight line, so as to ensure that the steel bar pressing ring 49 can be accurately docked onto the steel bar. When the Y-shaped bracket 413 rotates, it will synchronously drive the transmission plate 415 on the side to push the limit rod 417.

[0040] According to Figure 3 and Figure 4 As shown in the figure, one end of the support platform 41 is fixedly installed with a fixed base 42. The top of the fixed base 42 is fixedly installed with a partition plate 411. The top of the partition plate 411 is fixedly installed with a connecting convex block 412. One side of the fixed base 42 is fixedly installed with a limit ring 46. Both the transmission rod 47 and the limit rod 417 pass through the limit ring 46. The fixed base 42 determines the position of the Y-shaped bracket 413 through the connecting convex block 412, and determines the position of the limit rod 417 through the limit ring 46. The presence of the partition plate 411 provides sufficient movement space for the rotation of the Y-shaped bracket 413 to prevent the situation of insufficient movement range.

[0041] According to Figure 4As shown, a connecting cross bar 414 is fixedly installed at the junction of the Y-shaped bracket 413 and the transmission plate 415. One end of the Y-shaped bracket 413 is rotatably connected inside the connecting lug 412, and a control handle 410 is fixedly installed at the other end of the Y-shaped bracket 413. The operator drives the Y-shaped bracket 413 to rotate around the connecting lug 412 through the control handle 410. When the Y-shaped bracket 413 rotates, it drives the transmission plate 415 through the connecting cross bar 414. Since the transmission plate 415 is connected to the limiting rod 417 through the positioning rod 416, the transmission plate 415 will push the limiting rod 417 to move when it rotates.

[0042] According to Figure 6 As shown, a limiting screw 430 is fixedly installed inside the limiting guide rail 421. The bottom of the limiting screw 430 is fixedly connected to the inside of the support platform 41. The limiting guide rail 421 is installed on the top of the support platform 41 through the limiting screw 430 to ensure the structural stability of itself and prevent the movable slide 418 from falling off.

[0043] According to Figure 5 As shown, a receiving through hole 428 is formed inside the adapter plate 427. Both ends of the limiting plate 425 are movably connected with movable rods 429. The shape of the movable rod 429 is adapted to the shape of the receiving through hole 428. The receiving through hole 428 can accommodate the movable rod 429. After pressing down the sealing plate 426, the movable rod 429 is inserted into the receiving through hole 428 to complete the fixation of the sealing plate 426, ensuring that the sealing plate 426 will not shake during subsequent use.

[0044] According to Figure 5 As shown, a limiting block 419 is fixedly installed at one end of the movable slide 418. A rectangular block 48 is fixedly installed at one end of the transmission rod 47. One end of the transmission rod 47 is clamped inside the limiting block 419 through the provided rectangular block 48. The movable slide 418 is connected to the transmission rod 47 through the limiting block 419. The transmission rod 47 is clamped inside the limiting block 419 by the rectangular block 48. After use, the transmission rod 47 can be detached from the rectangular block 48 to avoid driving the movable slide 418 again.

[0045] According to Figure 3 As shown, a guiding rod 43 is fixedly connected to one end of the support platform 41. A threaded groove 44 is formed at the other end of the guiding rod 43. The guiding rod 43 penetrates through the support plate 6. A limiting nut 45 is threadedly connected to one end of the guiding rod 43. One side of the limiting nut 45 abuts against the outer wall of the support plate 6. The guiding rod 43 at one end of the support platform 41 can limit the position of the support platform 41 itself. After pushing the support platform 41 to the target position, the limiting nut 45 is installed on the threaded groove 44 to complete the limitation of the support platform 41 and prevent it from being misaligned.

[0046] According to Figure 6 、 Figure 7 and Figure 8 As shown, a vibrating plate 433 is movably installed inside the plugging plate 426. One side of the vibrating plate 433 is fixedly connected to a reinforcing plate 434. Miniature vibrating motors 435 are fixedly installed on both sides of the reinforcing plate 434. The vibrating plate 433 is controlled by the miniature vibrating motors 435. After the plugging plate 426 is fitted into the positioning groove 2, the vibrating plate 433 can vibrate within a certain range to expel the air in the concrete, reduce the occurrence of problems such as honeycombing and pitting, and play a role in increasing the strength and durability of the concrete. The vibrating plate 433 is structurally reinforced through the reinforcing plate 434 to ensure that it can withstand the vibration of the miniature vibrating motors 435.

[0047] According to Figure 8 As shown, telescopic rods 438 are fixedly installed at both ends of the reinforcing plate 434. A tension spring 432 is sleeved on the outer wall of the telescopic rod 438. The other ends of the tension spring 432 and the telescopic rod 438 are both fixedly connected to a support frame 437. One end of the support frame 437 is fixedly connected to a support footrest 436. The support footrest 436 is fixedly installed on the inner wall of the plugging plate 426. The vibrating plate 433 is connected to the plugging plate 426 through the support footrest 436 at the bottom of the support frame 437 to determine its initial position, while the telescopic rod 438 determines the movement range of the vibrating plate 433. The use of the tension spring 432 can quickly reset the vibrating plate 433, enabling the vibrating plate 433 to vibrate at a high frequency, making the concrete poured in the area with dense steel bars more compact.

[0048] According to Figure 9 As shown, a positioning platform 7 is fixedly installed at the junction of the support plate 6 and the support platform 41. A limit sliding groove 8 is opened at the junction of the positioning platform 7 and the support platform 41. A positioning hole 9 is opened at the junction of the positioning platform 7 and the guiding rod 43. Each positioning platform 7 corresponds to a gap filling device 4. The positioning hole 9 is used to accommodate the guiding rod 43, and the limit sliding groove 8 is used to accommodate the support platform 41.

[0049] The use method and working principle of the device are as follows: the shaping plate 1 and the supporting plate 6 form an L-shaped structure, and the transverse rib 3 is set to a shape with a width of 10mm and a spacing of 8mm so that the component can form a transverse rib shape of this shape after hardening. When in use, the supporting platform 41 is first pushed to move along the limiting slide groove 8, so that one end of the steel bar pressing ring 49 is connected to one side of the shaping plate 1 and pressed onto the surface of the steel bar. Then, the operator pushes the control handle 410 to rotate around the connecting protrusion 412, and uses the transmission plate 415 on the side of the Y-shaped bracket 413 to push the limiting rod 417 to move along the direction of the limiting ring 46, and cooperates with the longer transmission rod 47 to achieve the purpose of pushing the movable slide 418 to move along the limiting guide rail 421, so as to send the blocking plate 426 to the top of the positioning groove 2, and finally press the blocking plate 426 down along the direction of the adapter plate 427 to make it enter the positioning groove 2 and press it to the top of the steel bar. The use of the steel bar pressing ring 49 can effectively improve the limiting effect of the steel bar.

[0050] At this time, the sealing plate 426 is embedded in the positioning groove 2 to fill the gap above the steel bar and reduce the leakage of concrete. A vibration plate 433 is also provided inside the sealing plate 426. The vibration plate 433 is controlled by a micro vibration motor 435 and can vibrate within a certain range to remove air from the concrete, reduce the occurrence of problems such as honeycomb and pockmarks, and increase the strength and durability of the concrete. The position of the vibration plate 433 is closer to the position of the steel bar, which can make the concrete poured in the area with dense steel bars more compact.

[0051] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cross-grain mold for precast concrete floor slabs, characterized in that: It includes a shaping plate (1). On one side of the shaping plate (1), a horizontal stripe (3) is fixedly installed. On the top of the shaping plate (1), a positioning groove (2) is opened. On the bottom of the shaping plate (1), a support plate (6) is fixedly installed. On the top of the support plate (6), a gap filling device (4) is movably installed. On both ends of the shaping plate (1), docking plates (5) are fixedly installed. The gap filling device (4) includes a support platform (41) and a sealing plate (426). There is a sliding connection between the top of the support plate (6) and the bottom of the support platform (41). One end of the support platform (41) is fixedly connected to a steel bar pressing ring (49). One end of the steel bar pressing ring (49) overlaps on one side of the shaping plate (1). On one side of the sealing plate (426), a limiting plate (425) is slidably connected. At the junction of the sealing plate (426) and the limiting plate (425), a transfer plate (427) is fixedly installed. On the bottom of the sealing plate (426), a docking card slot (431) is opened. The shape of the sealing plate (426) is adapted to the shape of the positioning groove (2). On one side of the limiting plate (425), a docking card block (424) is fixedly connected. One end of the docking card block (424) is movably connected to an installation connection platform (423). One end of the installation connection platform (423) is fixedly connected to a movable sliding platform (418). On the bottom of the movable sliding platform (418), a limiting frame (420) is fixedly installed. On the bottom of the limiting frame (420), a limiting guide rail (421) is slidably connected. At the junction of the limiting frame (420) and the limiting guide rail (421), an anti - detachment buckle (422) is fixedly installed. One end of the movable sliding platform (418) is movably connected to a transmission rod (47). The other end of the transmission rod (47) is fixedly connected to a limiting rod (417). The other end of the limiting rod (417) is fixedly connected to a positioning rod (416). Both ends of the positioning rod (416) are rotatably connected to transmission plates (415). One end of the transmission plate (415) is fixedly connected to a Y - shaped bracket (413). Inside the sealing plate (426), a vibrating plate (433) is movably installed. On one side of the vibrating plate (433), a reinforcing plate (434) is fixedly connected. On both sides of the reinforcing plate (434), micro - vibrating motors (435) are fixedly installed. On both ends of the reinforcing plate (434), telescopic rods (438) are fixedly installed. On the outer wall of the telescopic rod (438), a tension spring (432) is sleeved. The other ends of the tension spring (432) and the telescopic rod (438) are both fixedly connected to a support frame (437). One end of the support frame (437) is fixedly connected to a support foot seat (436). The support foot seat (436) is fixedly installed on the inner wall of the sealing plate (426).

2. The cross-grain mold for precast concrete floor slabs according to claim 1, characterized in that: One end of the support platform (41) is fixedly installed with a fixed base (42). The top of the fixed base (42) is fixedly installed with a partition plate (411). The top of the partition plate (411) is fixedly installed with a connecting bump (412). One side of the fixed base (42) is fixedly installed with a limiting ring (46). Both the transmission rod (47) and the limiting rod (417) penetrate through the limiting ring (46).

3. The cross-grain mold for precast concrete floor slabs according to claim 2, characterized in that: A connecting cross bar (414) is fixedly installed at the junction of the Y-shaped bracket (413) and the transmission plate (415). One end of the Y-shaped bracket (413) is rotatably connected inside the connecting bump (412). The other end of the Y-shaped bracket (413) is fixedly installed with a control handle (410).

4. The cross-grain mold for precast concrete floor slabs according to claim 1, characterized in that: A limiting screw rod (430) is fixedly installed inside the limiting guide rail (421). The bottom of the limiting screw rod (430) is fixedly connected inside the support platform (41).

5. The cross-grain mold for precast concrete floor slabs according to claim 1, characterized in that: A receiving through hole (428) is formed inside the adapter plate (427). Both ends of the limiting plate (425) are movably connected with movable rods (429). The shape of the movable rod (429) is adapted to the shape of the receiving through hole (428).

6. The cross-grain mold for precast concrete floor slabs according to claim 1, characterized in that: One end of the movable slide (418) is fixedly installed with a limiting block (419). One end of the transmission rod (47) is fixedly installed with a rectangular block (48). One end of the transmission rod (47) is clamped inside the limiting block (419) through the provided rectangular block (48).

7. The cross-grain mold for precast concrete floor slabs according to claim 1, characterized in that: One end of the support platform (41) is fixedly connected with a guide rod (43). A threaded groove (44) is formed at the other end of the guide rod (43). The guide rod (43) penetrates through the support plate (6). A limiting nut (45) is threadedly connected to one end of the guide rod (43). One side of the limiting nut (45) abuts against the outer wall of the support plate (6).

8. The cross-grain mold for precast concrete floor slabs according to claim 1, characterized in that: A positioning platform (7) is fixedly installed at the junction of the support plate (6) and the support platform (41). A limiting chute (8) is formed at the junction of the positioning platform (7) and the support platform (41). A positioning hole (9) is formed at the junction of the positioning platform (7) and the guide rod (43).

Citation Information

Patent Citations

  • A precast floor slab mold and floor slab

    CN111844379B

  • Prefabricated floor slab mold and floor slab

    CN111844379A

  • Composite floor slab side die

    CN210082045U