Multi-point type pouring device

By using the limiting components and injection mechanism of the multi-point pouring device, the problem of uneven particle distribution during concrete pouring is solved, achieving uniform distribution and improved density of concrete, thus ensuring the strength and quality stability of the components.

CN120941541APending Publication Date: 2025-11-14ANHUI JUNLAN CONSTR ENG GRP CO LTD
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Patent Information

Application Number
CN202511277942.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-09
Publication Date
2025-11-14

AI Technical Summary

Technical Problem

In existing technologies, the shear force differences caused by single-point pouring during concrete pouring, combined with the gravity of aggregates, result in uneven particle distribution within the concrete, affecting the strength and quality stability of the component.

Method used

A multi-point pouring device is adopted, which uses limiting components and injection mechanism to make the mold box slide horizontally and move downward. At the same time, the pushing component pushes the extrusion pile to achieve uniform distribution and extrusion of concrete materials, ensuring that large and fine particles are fully mixed.

Benefits of technology

It improves the strength and quality of concrete components, reduces particle segregation and settlement, and enhances the density and uniformity of concrete.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of concrete pouring, in particular to a multi-point type pouring device which comprises a mold box arranged in a supporting frame body, a limiting assembly used for limiting the mold box to horizontally slide and move downwards at the same time is arranged on the supporting frame body, and a material injection mechanism used for evenly adding materials is arranged on the inner side of the mold box. And the limiting assembly comprises sliding seats fixed to the two sides of the mold box correspondingly and operation rails fixed to the two sides of the supporting frame correspondingly, each operation rail is formed by vertically stacking and combining a plurality of V-shaped rails, and strip-shaped sliding grooves are formed in the two sides of the mold box correspondingly. Concrete can be more uniformly distributed in the mold, the phenomenon of particle layering or sedimentation possibly caused by a single pouring point is reduced, it is ensured that large particles and fine particles are fully mixed in the pouring process, the situation that the particles in the concrete are separated from slurry due to uneven distribution of coarse aggregate in different areas of the mold is avoided, and the quality of the concrete is improved. And the strength and quality of the concrete member are improved.
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Description

Technical Field

[0001] This invention relates to the field of concrete pouring technology, and more particularly to a multi-point pouring device. Background Technology

[0002] In the field of modern construction engineering, precast concrete components have become a core material for bridge, high-rise building, and infrastructure construction due to their standardized and efficient production advantages. During the concrete pouring process in building molds, because concrete contains granular aggregates and the molds are relatively large, the current common practice of single-point pouring causes the concrete to spread outwards from the mold due to its own fluidity. This results in differences in shear force generated during pouring, coupled with the weight of the aggregates themselves, leading to uneven distribution of coarse aggregates in different areas of the mold. Aggregates settle near the pouring point, while those at the edges accumulate later, causing separation between the concrete particles and the slurry. Furthermore, the unidirectional flow characteristics of single-point pouring exacerbate this segregation phenomenon, leading to a decrease in the overall uniformity of the concrete and affecting the strength and quality stability of the components. Summary of the Invention

[0003] To overcome the shortcomings of the prior art, the present invention provides a multi-point pouring device, which solves the problem of uneven particle distribution inside concrete caused by the difference in shear force and the weight of the aggregate itself during the pouring process.

[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a multi-point casting device, comprising a mold box disposed within a support frame, wherein the support frame is provided with a limiting component for restricting the mold box to slide horizontally while moving downward, and an injection mechanism for uniformly adding materials is disposed on the inner side of the mold box, wherein the limiting component includes sliding seats respectively fixed on both sides of the mold box, and running tracks respectively fixed on both sides of the support frame, the running tracks being composed of multiple V-shaped tracks stacked vertically, wherein strip grooves are provided on both sides of the mold box, and a connecting frame fixed to the support frame slides on the inner side of the strip grooves, wherein the injection mechanism includes an injection shell disposed within the mold box, an injection port fixed on the injection shell, and an outlet disposed at the bottom of the injection shell, wherein an extrusion pile is slidably disposed on the top of the injection shell, and a pushing component is disposed on the top of the mold box for pushing the extrusion pile downward to extrude materials within the injection shell.

[0005] As a further optimization of the present invention, movable plates are respectively provided on both sides of the bottom of the discharge port, and both movable plates are movably hinged to the injection shell.

[0006] As a further optimization of the present invention, the pushing component includes a support frame that is fixed to both ends of the injection housing and fixed to the support frame, a limiting tooth plate that is set on the top of the mold box, the two ends of the limiting tooth plate that are respectively pressed against the two ends inside the mold box, and a rotating toothed shaft that is engaged on the top of the limiting tooth plate.

[0007] As a further optimization of the present invention, the two ends of the rotating gear shaft are respectively fixed with rotating shafts, the rotating shafts pass through the support frame and are rotatably connected to it through bearings, and a connecting rod is fixedly provided on one end of the rotating shaft.

[0008] As a further optimization of the present invention, a second connecting rod is rotatably provided at the bottom of the first connecting rod, and a connecting seat fixed to the extrusion pile is movably hinged at the bottom of the second connecting rod.

[0009] As a further optimization of the present invention, spring columns are fixedly provided at both ends of the compression pile, and a connecting horizontal plate fixed to the support frame is fixed at the top of the spring column.

[0010] As a further optimization of the present invention, the bottom four corners of the mold box are respectively fixed with movable vertical shafts, and movable vertical tubes are slidably arranged at the bottom of the movable vertical shafts.

[0011] As a further optimization of the present invention, a limiting disc is slidably provided on the inner side of the movable vertical tube, and a buffer spring is fixed to the top of the limiting disc and the bottom of the movable vertical shaft.

[0012] As a further optimization of the present invention, the bottom end of the movable vertical tube is fixed with a movable seat, and a limiting frame fixed to the supporting frame is slidably arranged on the outside of the movable seat.

[0013] By employing the above technical solution, the present invention provides a multi-point casting device, which, compared with the prior art, has at least the following beneficial effects: 1. This invention uses an injection mechanism to uniformly add concrete material into the mold box. Simultaneously, a limiting component allows the mold box to slide horizontally while moving downwards. The concrete material is stacked layer by layer inside the mold box, which helps to distribute the concrete more evenly in the mold. This reduces particle stratification or settling that may occur at a single pouring point, ensures that large and fine particles are fully mixed during the pouring process, and avoids uneven distribution of coarse aggregate in different areas of the mold, which could cause separation of particles from the slurry inside the concrete. This improves the strength and quality of the concrete component.

[0014] 2. This invention sets running tracks on both sides of the mold box, so that when concrete material is added to the mold box, its own gravity causes the mold box to move along the running tracks, making the mold box slide horizontally and move downward at the same time. Concrete material is added into the moving mold box at the same time, which reduces the sedimentation time of concrete in the mold, maintains the uniform distribution of particles, and fully removes air and moisture inside the concrete, increasing the density and strength of the component.

[0015] 3. This invention uses a pushing component to push the extrusion pile downwards to extrude concrete material into the injection shell. The concrete material is pressed from the injection shell into the mold box, ensuring that every corner and gap is properly filled with material. This avoids quality problems caused by material concentration or uneven distribution. At the same time, the extrusion process helps to eliminate air bubbles and voids in the concrete and improves the density of the concrete material. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a side sectional view of the present invention; Figure 3 This is a schematic diagram of a partial explosion structure of the present invention; Figure 4 This is a schematic diagram of the structure of the running track of the present invention; Figure 5 This is a schematic diagram of the structure of the driving component of the present invention.

[0017] In the diagram: 1. Support frame; 2. Mold box; 3. Limiting component; 31. Sliding seat; 32. Running track; 33. Strip groove; 34. Connecting frame; 35. Movable vertical shaft; 36. Movable vertical tube; 37. Buffer spring; 38. Movable seat; 39. Limiting frame; 4. Injection mechanism; 41. Injection housing; 42. Injection port; 43. Discharge port; 44. Movable plate; 45. Extrusion pile; 46. ​​Pushing component; 461. Support frame; 462. Limiting toothed plate; 463. Rotating toothed shaft; 464. Rotating shaft; 465. Link 1; 466. Link 2; 467. Connecting seat; 468. Spring column; 469. Connecting cross plate. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0019] First Embodiment In current concrete pouring molds, single-point pouring can easily lead to uneven distribution of coarse aggregate in different areas of the mold, causing separation of concrete particles from the slurry. To achieve a more uniform distribution of concrete within the mold and reduce particle stratification or settlement that may occur at a single pouring point, [further details are needed]. Figure 1 - Figure 4 This embodiment provides a multi-point pouring device, which consists of a support frame 1, a mold box 2, a limiting component 3, and a material injection mechanism 4. The mold box 2 is located inside the support frame 1. The mold box 2 is not only the foundation for concrete forming, but also the core component to ensure pouring quality and construction efficiency. The limiting component 3 is located on the support frame 1 to restrict the mold box 2 from sliding horizontally while moving downward.

[0020] The limiting component 3 includes sliding seats 31 fixed on both sides of the mold box 2 and running tracks 32 fixed on both sides of the support frame 1. Since the running track 32 is composed of multiple V-shaped tracks stacked on top of each other, the sliding seats 31 slide downwards while sliding on the running track 32 in the horizontal direction. After moving a certain distance, the sliding seats 31 slide in the opposite direction in the horizontal direction, thereby causing the sliding seats 31 to slide back and forth in the horizontal direction while moving downwards. Both sides of the mold box 2 are provided with strip grooves 33. A connecting frame 34 fixed to the support frame 1 slides inside the strip groove 33. When the mold box 2 moves, the vertical rod at the bottom of the connecting frame 34 slides in the strip groove 33 to ensure the stability of the movement of the mold box 2.

[0021] Movable vertical shafts 35 are fixed at the four corners of the bottom of the mold box 2. Movable vertical tubes 36 are slidably arranged at the bottom of the movable vertical shafts 35. A limiting disc is slidably arranged inside the movable vertical tubes 36. A buffer spring 37 is fixed at the top of the limiting disc and is attached to the bottom of the movable vertical shafts 35. When the mold box 2 moves downward, the movable vertical shafts 35 compress the buffer springs 37, causing the buffer springs 37 to undergo elastic deformation and be compressed. This absorbs and disperses the impact force for the mold box 2, reducing the vibration and stress on the mold box 2. A movable seat 38 is fixed at the bottom of the movable vertical tubes 36. A limiting frame 39, which is fixed to the support frame 1, is slidably arranged outside the movable seat 38. When the mold box 2 moves in the horizontal direction, the movable vertical shafts 35 and the movable vertical tubes 36 drive the movable seat 38 to move. The movable seat 38 slides inside the limiting frame 39, improving the stability of the movement of the mold box 2.

[0022] Second Embodiment To avoid uneven distribution of coarse aggregate in different areas of the mold, which could cause separation of concrete particles from the paste, a uniform particle distribution was maintained, referring to... Figure 2 and Figure 5In this embodiment, the injection mechanism 4 is located inside the mold box 2 for uniformly adding materials into the mold box 2. Specifically, the injection mechanism 4 includes an injection shell 41 located inside the mold box 2, an injection port 42 fixed on the injection shell 41, and an outlet 43 located at the bottom of the injection shell 41. Movable plates 44 are respectively provided on both sides of the bottom of the outlet 43, and both movable plates 44 are hinged to the injection shell 41. When the mold box 2 moves horizontally back and forth, it will drive the hinged movable plates 44 to deflect to the left or right. The movable plates 44 are vertically downward in the initial state. Therefore, when deflecting to the left or right, they will squeeze the concrete material to achieve the purpose of squeezing the material layer and making the material layer more compact. A squeezing pile 45 is slidably provided on the top of the injection shell 41.

[0023] By adding concrete material into the injection port 42, the material enters the injection shell 41. The extrusion pile 45 extrudes the concrete material in the injection shell 41, making the concrete material in the injection shell 41 more compact and without gaps. Then the concrete material is discharged into the mold box 2 through the discharge port 43. As the mold box 2 slides back and forth in the horizontal direction and moves downward at the same time, the concrete material falls more evenly into the mold box 2.

[0024] Third Embodiment To help eliminate air bubbles and voids in concrete during the extrusion process and avoid quality problems caused by uneven material concentration or distribution, refer to... Figure 5 In this embodiment, a pushing assembly 46 is provided on the top of the mold box 2 for pushing the extrusion pile 45 downward to extrude the material inside the injection shell 41. Specifically, the pushing assembly 46 includes a support frame 461 fixed to both ends of the injection shell 41 and fixed to the support frame 1, a limiting toothed plate 462 provided on the top of the mold box 2, with both ends of the limiting toothed plate 462 abutting against both ends inside the mold box 2, a rotating toothed shaft 463 meshing with the top of the limiting toothed plate 462, and a rotating shaft 464 fixed to both ends of the rotating toothed shaft 463. The rotating shaft 464 passes through the support frame 461. A support frame 461 is rotatably connected to it via a bearing. A connecting rod 465 is fixedly installed on one end of a rotating shaft 464. A connecting rod 466 is rotatably installed at the bottom of the connecting rod 465. A connecting seat 467 fixed to the pressing pile 45 is movably hinged at the bottom of the connecting rod 466. Spring columns 468 are fixedly installed at both ends of the pressing pile 45. A connecting cross plate 469 fixed to the support frame 461 is fixed at the top of the spring columns 468. When the pressing pile 45 moves downward, the spring columns 468 undergo elastic deformation and are stretched, which helps to improve the stability of the pressing pile 45 moving upward.

[0025] When the mold box 2 moves horizontally back and forth, the limiting tooth plate 462 drives the rotating tooth shaft 463 to rotate. The rotating tooth shaft 463 drives the rotating shafts 464 at both ends to rotate. The rotating shafts 464 drive the top of the connecting rod 1 465 to rotate. The connecting rod 1 465 rotates around the rotating shaft 464. The connecting rod 1 465 drives the bottom connecting rod 2 466 to rotate. The connecting rod 2 466 drives the connecting seat 467 to move up and down back and forth. The connecting seat 467 drives the extrusion pile 45 to slide up and down back and forth on the top of the injection shell 41. The extrusion pile 45 extrudes the concrete material in the injection shell 41, avoiding quality problems caused by material concentration or uneven distribution, and improving the density of the concrete material.

[0026] This invention provides running tracks 32 on both sides of the mold box 2. When concrete material is added to the mold box 2, its own gravity causes the mold box 2 to drive the sliding seat 31 to move horizontally back and forth on the running tracks 32. As the mold box 2 slides horizontally, it also moves downwards. The concrete material is stacked layer by layer inside the mold box 2, which helps to distribute the concrete more evenly in the mold. This reduces the particle stratification or settling phenomenon that may occur at a single pouring point and ensures that large and fine particles are fully mixed during the pouring process.

[0027] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-point casting device, comprising a mold box (2) disposed within a support frame (1), characterized in that: The support frame (1) is provided with a limiting component (3) for limiting the mold box (2) to move horizontally and downward simultaneously, and an injection mechanism (4) for uniformly adding materials is provided on the inner side of the mold box (2). The limiting component (3) includes sliding seats (31) fixed on both sides of the mold box (2) and running tracks (32) fixed on both sides of the support frame (1). The running tracks (32) are composed of multiple V-shaped tracks stacked on top of each other. The mold box (2) has strip grooves (33) on both sides. A connecting frame (34) fixed to the support frame (1) slides inside the strip grooves (33). The injection mechanism (4) includes an injection housing (41) disposed in the mold box (2), an injection port (42) fixed on the injection housing (41), and an outlet (43) disposed at the bottom of the injection housing (41). An extrusion pile (45) for downward extrusion of material is slidably disposed on the top of the injection housing (41), and an internal pushing component (46) is disposed on the top of the mold box (2).

2. The multi-point casting device according to claim 1, characterized in that: Movable plates (44) are provided on both sides of the bottom of the discharge port (43), and both movable plates (44) are hinged to the injection housing (41).

3. The multi-point casting device according to claim 1, characterized in that: The pushing component (46) includes a support frame (461) fixed at both ends of the injection housing (41) and fixed to the support frame (1), a limiting tooth plate (462) set at the top of the mold box (2), the two ends of the limiting tooth plate (462) abutting against the two ends inside the mold box (2), and a rotating toothed shaft (463) meshing at the top of the limiting tooth plate (462).

4. The multi-point casting device according to claim 3, characterized in that: The two ends of the rotating gear shaft (463) are respectively fixed with rotating shafts (464). The rotating shafts (464) pass through the support frame (461) and are rotatably connected to it through bearings. A connecting rod (465) is fixedly installed on one end of the rotating shaft (464).

5. A multi-point casting device according to claim 4, characterized in that: The bottom of the first connecting rod (465) is rotatably provided with a second connecting rod (466), and the bottom of the second connecting rod (466) is movably hinged to a connecting seat (467) fixed to the extrusion pile (45).

6. A multi-point casting device according to claim 3, characterized in that: Spring columns (468) are fixedly installed at both ends of the compression pile (45), and a connecting horizontal plate (469) fixed to the top of the spring column (468) is fixed to the support frame (461).

7. A multi-point casting device according to claim 1, characterized in that: The bottom four corners of the mold box (2) are respectively fixed with movable vertical shafts (35), and movable vertical tubes (36) are slidably arranged at the bottom of the movable vertical shafts (35).

8. A multi-point casting device according to claim 7, characterized in that: A limiting disc is slidably provided on the inner side of the movable vertical tube (36), and a buffer spring (37) is fixed to the top of the limiting disc and the bottom of the movable vertical shaft (35).

9. A multi-point casting device according to claim 7, characterized in that: The bottom end of the movable vertical tube (36) is fixed with a movable seat (38), and a limiting frame (39) fixed to the support frame (1) is slidably arranged on the outside of the movable seat (38).