Adjustable prefabricated stair forming mold

Abstract

The utility model relates to the field of building processing, and discloses an adjustable prefabricated stair forming die which comprises a bottom frame, the top of the bottom frame is fixedly connected with a step die, the top of the step die is provided with a first heightened side die, the top of the bottom frame is connected with a plane die in a sliding mode, and the top of the plane die is provided with a second heightened side die. First connecting rods which are evenly distributed are slidably connected to the opposite sides of the step mold and the plane mold correspondingly, and second connecting rods are slidably connected to the tops of the first connecting rods. The left side and the right side of the thread on the surface of the threaded rod are provided with opposite threads, so that when the first motor drives the threaded rod to rotate, the left connecting block and the right connecting block can move in opposite directions, and the third connecting rod is rotationally connected between the connecting blocks and the bottom plate, so that the bottom plate can be lifted and put down; the problem that when the height of a poured model is adjusted, flexible adjustment cannot be achieved is solved.

Description

Technical Field

[0001] This utility model relates to the field of building processing, and in particular to staircase forming molds. Background Technology

[0002] Adjustable precast stair molding molds are specialized molds used to manufacture precast concrete staircases. By fixing and adjusting the components, the position of the template components can be precisely adjusted, allowing the mold to adapt to the production of precast staircases with different sizes and shapes. This not only ensures the quality and dimensional accuracy of the staircases but also greatly improves construction efficiency, shortens the overall project duration, and reduces noise and dust pollution at the construction site, achieving good economic and social benefits.

[0003] Currently available adjustable precast stair forming molds are based on precast stair forming molds, with components installed on top of the step mold and the flat mold to install heightened side molds. This allows the precast stair forming mold to adjust the width of the cast staircase, thus accommodating staircases of various widths. However, since the heightened molds are mostly of fixed dimensions, it is difficult to determine the casting height during actual casting when the required staircase height is higher than the original mold but lower than the heightened mold. This affects the accuracy of construction, causes dimensional deviations in the precast staircase, and impacts its compatibility with the building structure and the installation effect. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an adjustable prefabricated staircase forming mold, which aims to improve the problem of inflexible adjustment when adjusting the height of the model.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable precast staircase forming mold, comprising a base frame, a step mold fixedly connected to the top of the base frame, a first heightening side mold provided on the top of the step mold, a flat mold slidably connected to the top of the base frame, a second heightening side mold provided on the top of the flat mold, a uniformly distributed first connecting rod slidably connected to the opposite side of the step mold and the flat mold, a second connecting rod slidably connected to the top of the first connecting rod, a fixed rod rotatably connected to the top of the second connecting rod on the rear side, a threaded rod rotatably connected to the rear side of the inner wall of the base frame, a connecting block threadedly connected to the outer surface of the threaded rod, a third connecting rod rotatably connected to both the front and rear sides of the connecting block, a base plate rotatably connected to the top of the third connecting rod, a first motor fixedly connected to the right side of the base frame, and a quick-drying component provided on the top of the first heightening side mold, the quick-drying component being used to accelerate the drying of the cast staircase.

[0006] Preferably, the quick-drying component includes two outer frames, the bottom of the outer frames is slidably connected to the first heightened side mold and the second heightened side mold, a mesh is fixedly connected to the top of the inner wall of the outer frame, a moisture-absorbing material is provided on the top of the mesh, a partition is fixedly connected to the bottom of the mesh, a second motor is fixedly connected to the bottom of the partition, and a fan blade is fixedly connected to the output end of the second motor.

[0007] Preferably, the output end of the first motor is fixedly connected to the threaded rod.

[0008] Preferably, the front and rear sides of the base plate are tightly fitted with the flat mold and the stepped mold.

[0009] Preferably, the second connecting rod on the front side is tightly fitted to the fixing rod.

[0010] Preferably, the stepped mold and the first heightened side mold are connected by a threaded connection with evenly distributed bolts, and the flat mold and the second heightened side mold are connected by a threaded connection with evenly distributed bolts.

[0011] Preferably, the top front side of the base plate is fixedly connected with uniformly distributed baffles, and two cylinders are fixedly connected between the baffles and the planar mold.

[0012] Preferably, the bottom of the first raised side mold is tightly fitted to the top of the stepped mold, and the bottom of the second raised side mold is tightly fitted to the top of the flat mold.

[0013] This utility model has the following beneficial effects:

[0014] 1. In this utility model, by setting the left and right sides of the thread on the surface of the threaded rod to be opposite threads, when the first motor drives the threaded rod to rotate, the left and right connecting blocks will move in opposite directions. A third connecting rod is rotatably connected between the connecting blocks and the base plate, so that the base plate can be lifted and lowered, thus solving the problem of inflexible adjustment when adjusting the height of the cast model.

[0015] 2. In this utility model, an outer frame is set on the top of the first heightened side mold and the second heightened side mold, and a second motor and fan blades are set in the inner wall of the outer frame. Grooves are opened on the front and rear sides of the outer frame flush with the fan blades, so that the fan blades can draw and circulate the air in the mold by rotating. A partition net and moisture-absorbing material are set on the top of the fan blades to absorb the moisture in the exhaust air, which accelerates the curing of the stairs and solves the problem of slow curing speed and low efficiency of stairs. Attached Figure Description

[0016] Figure 1 This is a perspective view of the adjustable prefabricated staircase molding die proposed in this utility model.

[0017] Figure 2This is a schematic diagram of the planar mold of the adjustable prefabricated staircase forming mold proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the base plate of the adjustable prefabricated staircase forming mold proposed in this utility model;

[0019] Figure 4 This is a schematic diagram of the fan blades of the adjustable prefabricated staircase forming mold proposed in this utility model.

[0020] Legend:

[0021] 1. Base frame; 2. Stepped mold; 3. Flat mold; 4. First heightened side mold; 5. Second heightened side mold; 6. Bolt; 7. First connecting rod; 8. Second connecting rod; 9. Fixing rod; 10. Base plate; 11. Threaded rod; 12. Connecting block; 13. Third connecting rod; 14. First motor; 15. Cylinder; 16. Baffle; 17. Outer frame; 18. Moisture-absorbing material; 19. Partition net; 20. Partition plate; 21. Fan blade; 22. Second motor. Detailed Implementation

[0022] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] Reference Figures 1-3 An embodiment of this utility model provides an adjustable precast stair molding mold, including a base frame 1, a step mold 2 fixedly connected to the top of the base frame 1, a first heightening side mold 4 provided on the top of the step mold 2, a flat mold 3 slidably connected to the top of the base frame 1, a second heightening side mold 5 provided on the top of the flat mold 3, a uniformly distributed first connecting rod 7 slidably connected to the opposite side of the step mold 2 and the flat mold 3, a second connecting rod 8 slidably connected to the top of the first connecting rod 7, a fixed rod 9 rotatably connected to the top of the rear second connecting rod 8, a threaded rod 11 rotatably connected to the rear side of the inner wall of the base frame 1, a connecting block 12 threadedly connected to the outer surface of the threaded rod 11, a third connecting rod 13 rotatably connected to both the front and rear sides of the connecting block 12, a base plate 10 rotatably connected to the top of the third connecting rod 13, a first motor 14 fixedly connected to the right side of the base frame 1, and a quick-drying component provided on the top of the first heightening side mold 4, the quick-drying component being used to accelerate the drying of the poured staircase.

[0024] Specifically, by setting the threads on the left and right sides of the threaded rod 11 to be opposite, when the first motor 14 drives the threaded rod 11 to rotate, the two connecting blocks 12 will move in opposite directions, that is, move towards the middle at the same time or move towards the left and right sides at the same time. A third connecting rod 13 is rotatably connected between the connecting block 12 and the base plate 10, so that the base plate 10 can be lifted when the connecting block 12 moves towards the middle, and the base plate 10 is lowered when the connecting block 12 moves towards the sides. This solves the problem of not being able to flexibly adjust the height of the cast model.

[0025] Reference Figure 4 The quick-drying component includes two outer frames 17. The bottom of the outer frame 17 is slidably connected to the first raised side mold 4 and the second raised side mold 5. A mesh 19 is fixedly connected to the top of the inner wall of the outer frame 17. A moisture-absorbing material 18 is provided on the top of the mesh 19. A partition 20 is fixedly connected to the bottom of the mesh 19. A uniformly distributed second motor 22 is fixedly connected to the bottom of the partition 20. A fan blade 21 is fixedly connected to the output end of the second motor 22.

[0026] Specifically, an outer frame 17 is set on the top of the first heightened side mold 4 and the second heightened side mold 5, and a second motor 22 and a fan blade 21 are set in the inner wall of the outer frame 17. Grooves are opened on the front and rear sides of the outer frame 17, which is flush with the fan blade 21, so that the fan blade 21 can extract and circulate the air in the mold by rotating. A mesh 19 and a moisture-absorbing material 18 are set on the top of the fan blade 21 to absorb the moisture in the exhaust air, thereby accelerating the curing of the staircase and solving the problem of slow curing speed and low efficiency of the staircase.

[0027] Reference Figure 3 The output end of the first motor 14 is fixedly connected to the threaded rod 11.

[0028] Specifically, the rotation of the first motor 14 drives the threaded rod 11 to rotate, thereby precisely controlling the height of the base plate 10.

[0029] Reference Figure 3 The base plate 10 is tightly fitted to the front and rear sides of the flat mold 3 and the stepped mold 2.

[0030] Specifically, the base plate 10 is tightly fitted with both the flat mold 3 and the stepped mold 2. During pouring, the height of the cement poured into the mold is determined by the height of the base plate 10. Thus, when the required height is higher than the flat mold 3 but lower than the height of the flat mold 3 plus the second heightened side mold 5, the precise stair height can be obtained by adjusting the base plate 10.

[0031] Reference Figure 1 The second connecting rod 8 on the front side is tightly fitted with the fixing rod 9.

[0032] Specifically, during operation, after the flat mold 3, along with the second raised side mold 5, is attached to the base plate 10, the first connecting rod 7 and the second connecting rod 8 are adjusted according to the mold height at this time. Then, the fixing rod 9 engages with the front second connecting rod 8, thereby tightly fixing the top of the mold and preventing cement leakage due to improper engagement.

[0033] Reference Figure 2 The stepped mold 2 and the first heightened side mold 4 are connected by threaded bolts 6 that are evenly distributed, and the flat mold 3 and the second heightened side mold 5 are connected by threaded bolts 6 that are evenly distributed.

[0034] Specifically, when it is necessary to increase the height of the mold, the original mold and the heightened side mold are connected together by bolts 6, and with the upgradeable base plate 10, the pouring of stairs of different widths can be realized.

[0035] Reference Figure 1 The top front side of the base plate 10 is fixedly connected with evenly distributed baffles 16, and two cylinders 15 are fixedly connected between the baffles 16 and the flat mold 3.

[0036] Specifically, during mold use, the flat mold 3 and the second raised side mold 5 are moved back and forth by the cylinder 15. When the cylinder 15 opens, the flat mold 3 is pushed by the cylinder 15 to fit tightly against the stepped mold 2 to prevent side leakage. When the cylinder 15 retracts, the flat mold 3 and the second raised side mold 5 are driven forward to demold the cast staircase.

[0037] Reference Figure 2 The bottom of the first raised side mold 4 is tightly fitted with the top of the stepped mold 2, and the bottom of the second raised side mold 5 is tightly fitted with the top of the flat mold 3.

[0038] Specifically, the side connecting the original mold and the raised side mold is provided with interlocking concave and convex surfaces to prevent cement from leaking during pouring.

[0039] Working principle: During operation, if the mold needs to be heightened, the first heightening side mold 4 and the second heightening side mold 5 are first fixed to the top of the stepped mold 2 and the flat mold 3 respectively using bolts 6. The base plate 10 is then adjusted according to the required stair width. The first motor 14 drives the threaded rod 11 to rotate, causing the two connecting blocks 12 to move in opposite directions. A third connecting rod 13 is rotatably connected between the connecting blocks 12 and the base plate 10, allowing the base plate 10 to be raised and lowered. After being adjusted to the appropriate position, when the cylinder 15 opens, the flat mold 3 is pushed by the cylinder 15 to fit tightly against the stepped mold 2 and the base plate 10 to prevent side leakage. Then, the first connecting rod 7 and the second connecting rod 8 are connected... After adjusting the mold height, the fixing rod 9 engages with the second connecting rod 8 on the front side, thus firmly fixing the top of the mold and preventing cement leakage due to improper engagement. Cement is then poured into the mold. After pouring, the outer frame 17 is slidably fixed to the top of the first raised side mold 4 and the second raised side mold 5. The second motor 22 drives the fan blade 21 to rotate, which extracts and circulates the air inside the mold. A mesh 19 and a moisture-absorbing material 18 are installed on the top of the fan blade 21 to absorb the moisture in the exhaust air, accelerating the curing of the staircase and solving the problem of slow curing speed and low efficiency of the staircase.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable precast staircase forming mold, comprising a base frame (1), characterized in that: A stepped mold (2) is fixedly connected to the top of the bottom frame (1). A first heightening side mold (4) is provided on the top of the stepped mold (2). A flat mold (3) is slidably connected to the top of the bottom frame (1). A second heightening side mold (5) is provided on the top of the flat mold (3). A uniformly distributed first connecting rod (7) is slidably connected to the opposite side of the stepped mold (2) and the flat mold (3). A second connecting rod (8) is slidably connected to the top of the first connecting rod (7). The top of the second connecting rod (8) on the rear side is rotatably connected to... A fixed rod (9) is provided. A threaded rod (11) is rotatably connected to the rear side of the inner wall of the bottom frame (1). A connecting block (12) is threadedly connected to the outer surface of the threaded rod (11). A third connecting rod (13) is rotatably connected to both the front and rear sides of the connecting block (12). A base plate (10) is rotatably connected to the top of the third connecting rod (13). A first motor (14) is fixedly connected to the right side of the bottom frame (1). A quick-drying component is provided on the top of the first heightened side mold (4). The quick-drying component is used to accelerate the drying of the poured staircase.

2. The adjustable precast staircase forming mold according to claim 1, characterized in that: The quick-drying component includes two outer frames (17). The bottom of the outer frame (17) is slidably connected to the first heightened side mold (4) and the second heightened side mold (5). A mesh (19) is fixedly connected to the top of the inner wall of the outer frame (17). A moisture-absorbing material (18) is provided on the top of the mesh (19). A partition (20) is fixedly connected to the bottom of the mesh (19). A second motor (22) is fixedly connected to the bottom of the partition (20). A fan blade (21) is fixedly connected to the output end of the second motor (22).

3. The adjustable precast staircase forming mold according to claim 1, characterized in that: The output end of the first motor (14) is fixedly connected to the threaded rod (11).

4. The adjustable precast staircase forming mold according to claim 1, characterized in that: The base plate (10) is tightly fitted to the flat mold (3) and the stepped mold (2) on both the front and rear sides.

5. The adjustable precast staircase forming mold according to claim 1, characterized in that: The second connecting rod (8) on the front side is tightly fitted with the fixing rod (9).

6. The adjustable precast staircase forming mold according to claim 1, characterized in that: The stepped mold (2) and the first heightened side mold (4) are connected by a threaded connection with evenly distributed bolts (6), and the flat mold (3) and the second heightened side mold (5) are connected by a threaded connection with evenly distributed bolts (6).

7. The adjustable precast staircase forming mold according to claim 1, characterized in that: The top front side of the base plate (10) is fixedly connected with uniformly distributed baffles (16), and two cylinders (15) are fixedly connected between the baffles (16) and the flat mold (3).

8. The adjustable precast staircase forming mold according to claim 1, characterized in that: The bottom of the first heightened side mold (4) is tightly fitted with the top of the stepped mold (2), and the bottom of the second heightened side mold (5) is tightly fitted with the top of the flat mold (3).

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