Prestressed stair production device

Abstract

The present application relates to the technical field of prestressed stair production, and particularly relates to a prestressed stair production device and a production method, which comprises a track, a first side mold, a core mold and a second side mold connected in sequence on the track along the extension direction of the track, and has the beneficial effect that the first side mold and the core mold, the core mold and the core mold, and the core mold and the second side mold together form multiple forming areas, each forming area can be used to form a prestressed stair, compared with the traditional way of forming a prestressed stair through a single forming area, the device can realize the one-time forming of multiple prestressed stairs through the way of forming a group of molds, greatly improves the production efficiency of the prestressed stair, and reduces the production cost of the prestressed stair.

Description

Technical Field

[0001] This invention relates to the technical field of prestressed staircase production, and more particularly to a prestressed staircase production apparatus and production method. Background Technology

[0002] With the rapid development of prefabricated building technology, prestressed staircases have gradually become an important part of the construction industry due to their advantages such as standardized production, rapid installation, and stable quality.

[0003] Traditional prestressed staircase production methods often use a single mold to form a single prestressed staircase. When it is necessary to form a large number of staircases at once, either the number of molds needs to be increased or the construction time needs to be extended, resulting in low production efficiency and high production costs for prestressed staircases, making it difficult to meet the needs of large-scale production. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a prestressed staircase production device, which solves the technical problems of low production efficiency and high production cost in the traditional prestressed staircase production method.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the main technical solutions adopted by the present invention include:

[0008] In a first aspect, the present invention provides a prestressed staircase production apparatus, comprising a track, and a first side mold, a core mold, and a second side mold sequentially slidably connected to the track along its extension direction, wherein multiple core molds are provided; forming areas are formed between adjacent first side molds and core molds, between adjacent core molds, and between adjacent core molds and second side molds; the first side molds and second side molds are capable of approaching or moving away from each other along the extension direction of the track, so that the prestressed staircase production apparatus can switch between a disengaged state and a formed state; in the disengaged state, the width of the forming area along the extension direction of the track is greater than the thickness of the prestressed staircase; in the formed state, the width of the forming area along the extension direction of the track matches the thickness of the prestressed staircase.

[0009] Secondly, the present invention provides a production method applied to the prestressed staircase production apparatus in the above-mentioned technical solution, the production method comprising:

[0010] S1: Based on the prestressed staircase production device being in the forming state, concrete is poured into the integrated mold in the forming area;

[0011] S2: After the concrete in the forming zone has initially solidified, the prestressed staircase production device is switched to the disengagement state.

[0012] S3: Lift the integrated mold in the molding area to separate the integrated mold with the prestressed staircase from the molding area, and uniformly place the integrated mold with the prestressed staircase for further curing;

[0013] S4: Replace another set of integrated molds in the molding area and switch the prestressed staircase production device to the molding state;

[0014] S5: Repeat S1-S4.

[0015] (III) Beneficial Effects

[0016] The beneficial effects of the present invention are as follows: The prestressed staircase production device of the present invention has multiple forming zones formed by the adjacent first side mold and core mold, the core molds and core molds, and the core mold and second side mold. Each forming zone can be used to form a prestressed staircase. Compared with the traditional method of forming a prestressed staircase by a single forming zone, the device can realize the one-time forming of multiple prestressed staircases by grouping vertical molds, which greatly improves the production efficiency of prestressed staircases and reduces the production cost of prestressed staircases. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the prestressed staircase production device of the present invention in the forming state;

[0018] Figure 2 This is a schematic diagram of the prestressed staircase production device of the present invention in a disengaged state;

[0019] Figure 3 This is a schematic diagram of the core mold of the present invention;

[0020] Figure 4 This is a schematic diagram of the integrated module of the present invention;

[0021] Figure 5 For the present invention Figure 2 A magnified schematic diagram of the partial structure at point A in the middle;

[0022] Figure 6 For the present invention Figure 3 A magnified schematic diagram of the structure at point B in the middle.

[0023] [Explanation of Labels in the Attached Image]

[0024] 1. Track;

[0025] 2. First side mold;

[0026] 3. Core mold;

[0027] 4. Second side mold;

[0028] 5. Integrated mold; 51. Support plate; 52. Tensioning frame; 53. End mold; 54. Top frame;

[0029] 6. Base; 600. Mounting slot;

[0030] 7. Telescopic drive component;

[0031] 8. Linkage component; 81. Spacer rod; 82. Connecting plate; 800. Connecting hole; 810. Limiting part;

[0032] 9. Demolding device; 91. Push block; 92. Lead screw; 93. Slider; 94. Connecting rod;

[0033] 10. Sliding connection component. Detailed Implementation

[0034] To better explain and facilitate understanding of this invention, the following description is provided in conjunction with the appendix. Figure 1-6 The present invention will be described in detail through specific embodiments. In this document, directional terms such as "upper" and "lower" are used interchangeably with other directional terms. Figure 1 and Figure 2 The orientation is used as a reference.

[0035] Example 1:

[0036] Reference Figures 1-6 An embodiment of the present invention provides a prestressed staircase production device, including a track 1, and a first side mold 2, a core mold 3, and a second side mold 4 sequentially slidably connected to the track 1 along its extension direction. Multiple core molds 3 are provided. A forming area is formed between adjacent first side molds 2 and core molds 3, between adjacent core molds 3, and between adjacent core molds 3 and second side molds 4. The first side molds 2 and second side molds 4 can move closer to or further away from each other along the extension direction of the track 1, allowing the prestressed staircase production device to switch between a disengaged state and a formed state. In the disengaged state, the width of the forming area along the extension direction of the track 1 is greater than the thickness of the prestressed staircase. In the formed state, the width of the forming area along the extension direction of the track 1 matches the thickness of the prestressed staircase.

[0037] In this embodiment, the track 1 can provide a stable and controllable movement path for the first side mold 2, the core mold 3, and the second side mold 4, thereby ensuring the stability and reliability of the prestressed staircase forming.

[0038] The sidewalls opposite to the adjacent first side mold 2 and core mold 3, the sidewalls opposite to the adjacent core mold 3, and the sidewalls opposite to the adjacent core mold 3 and second side mold 4 are the forming sidewalls of the prestressed staircase, which can be set to a predetermined shape according to the requirements of the prestressed staircase.

[0039] The adjacent first side mold 2 and core mold 3, the core mold 3 and core mold 3, and the core mold 3 and second side mold 4 together form multiple forming zones. Each forming zone can be used to form a prestressed staircase. Compared with the traditional method of forming a prestressed staircase through a single forming zone, this device can achieve the one-time forming of multiple prestressed staircases through group vertical molds, which greatly improves the production efficiency of prestressed staircases and reduces the production cost of prestressed staircases.

[0040] Furthermore, the production device specified in this patent can be used not only for molding prestressed stairs, but also for molding prestressed floor slabs.

[0041] Example 2:

[0042] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 In addition to possessing all the technical solutions of the above embodiments, the embodiments of the present invention further possess the following technical solutions:

[0043] The prestressed staircase production device also includes multiple integrated molds 5 slidably connected to the track 1 along its extension direction. Multiple sets of integrated molds 5 are configured, each set corresponding to a specific mold within the forming area. The prestressed staircase is supported on the integrated molds 5. Each integrated mold 5 includes a support plate 51, two sets of tensioning frames 52, and two sets of end molds 53. The bottom ends of the two sets of tensioning frames 52 and the two sets of end molds 53 are detachably connected to both ends of the support plate 51 along the length of the prestressed staircase, with the two sets of end molds 53 located between the two sets of tensioning frames 52. Prestressed steel bars can be tensioned on the tensioning frames 52, and the support plate 51 can support the thickness surface of the prestressed staircase. The support plate 51 extends horizontally in the direction perpendicular to the extension direction of the track 1. The integrated mold 5 also includes a top frame 54, which is detachably connected to the top of the two sets of tensioning frames 52.

[0044] In this embodiment, the integrated mold 5 is used to help the molding area to form the prestressed staircase. The prestressed staircase is supported on the integrated mold 5 during molding. Therefore, after the prestressed staircase has initially solidified, the entire prestressed staircase can be moved out simultaneously by removing the integrated mold 5, so that the prestressed staircase can be easily separated from the molding area, thereby further improving the production efficiency of the prestressed staircase.

[0045] After the concrete is poured and left to stand for a period of time, it will initially solidify until the prestressed staircase can support itself on the integrated mold 5. At this point, demolding can be performed. The integrated mold 5 can then be vertically lifted by a lift and detached from the mounting groove 600 of the base 6. It can then be transported together with the prestressed staircase to the next process for further treatment.

[0046] The integrated mold 5 is set in multiple sets. In this way, when one set of integrated mold 5 is assembled in the molding area and the prestressed staircase is being poured, there will always be an additional set of integrated mold 5 waiting to be used. Thus, when the integrated mold 5 and the prestressed staircase are removed from the molding area together, another set of integrated mold 5 can be immediately installed into the molding area, allowing the device to continue the prestressed staircase pouring operation. This greatly reduces the downtime in the molding process and further improves the production efficiency of the device for prestressed staircases.

[0047] The integrated mold 5 includes a support plate 51, two sets of tensioning frames 52 and two sets of end molds 53. The support plate 51 is located at the bottom of the integrated mold 5 and can support the thickness surface of the prestressed staircase to ensure its flatness and stability.

[0048] Two sets of tensioning frames 52 are respectively installed at both ends of the support plate 51 along the length of the prestressed staircase, for tensioning prestressed steel bars. The tensioning frames 52 are provided with channels for passing through the prestressed steel bars.

[0049] One end of the prestressed steel bar is fixed axially, and the other end is tightened by a tensioning device.

[0050] Two sets of end molds 53 are located between two sets of tensioning frames 52 and connected to the support plate 51. They are used to define the boundaries of the prestressed staircase in the length direction and also help to maintain the shape and size of the stair slab.

[0051] The top frame 54 is detachably connected to the top of the two sets of tensioning frames 52 to provide additional support and stability, especially during concrete pouring. The design of the top frame 54 should ensure that it effectively supports the top structure of the entire integrated formwork 5 without interfering with the prestressing steel tensioning and concrete pouring.

[0052] Example 3:

[0053] Reference Figures 1-4 In addition to possessing all the technical solutions of any of the above embodiments, the embodiments of the present invention further possess the following technical solutions:

[0054] The prestressed staircase production device also includes a base 6 corresponding to the integrated mold 5. The base 6 is slidably connected to the track 1 along the extension direction of the track 1. An installation groove 600 supporting the integrated mold 5 is formed on the base 6. The integrated mold 5 can be disengaged from the installation groove 600 by vertical movement, or cooperate with the installation groove 600.

[0055] In this embodiment, each integrated mold 5 is equipped with a corresponding base 6 as a support and positioning foundation for the integrated mold 5, which facilitates the separation of the integrated mold 5 from the molding area and further improves the production efficiency of prestressed stairs.

[0056] The base 6 is slidably connected to the track 1 along the extension direction of the track 1, and a mounting groove 600 is formed on the base 6 specifically for supporting the integrated mold 5. The shape, size and position of the mounting groove 600 should match the bottom structure of the integrated mold 5 so that the integrated mold 5 can be firmly placed on the base 6 and easily detached when needed. For example, when the bottom of the integrated mold 5 is rectangular, the mounting base can be set as a U-shaped base.

[0057] During the preparation phase, the base 6 first slides along the track 1 to the designated position. Then, the integrated mold 5 can be hoisted into the mounting slot 600 of the corresponding base 6 via a lift, achieving a tight fit with the base 6 and ensuring the stability and accuracy of the integrated mold 5 in subsequent operations.

[0058] Example 4:

[0059] Reference Figure 3 and Figure 6 In addition to possessing all the technical solutions of any of the above embodiments, the embodiments of the present invention further possess the following technical solutions:

[0060] The prestressed staircase production device also includes a telescopic drive component 7 and a linkage component 8; the telescopic drive component 7 can be configured as two sets; the driving ends of the two sets of telescopic drive components 7 are correspondingly connected to the first side mold 2 and the second side mold 4 along the extension direction of the track 1. The linkage component 8 can link the adjacent first side mold 2 and core mold 3, the adjacent core mold 3, and the adjacent core mold 3 and the second side mold 4.

[0061] In this embodiment, the telescopic drive component 7 serves as the power source for switching the state of the prestressed staircase production device. When it is necessary to move the first side mold 2 and the second side mold 4 away from each other to form a disengaged state, both sets of telescopic drive components 7 are activated simultaneously, driving their corresponding first side mold 2 and second side mold 4 away from each other. The linkage component 8, by transmitting the sliding force of the first side mold 2 and the second sliding mold, enables the width of the entire forming area to be adjusted, thereby ensuring the reliability of the device.

[0062] By setting two sets of telescopic drive components 7, the rate at which the prestressed staircase production device switches states can be increased, thereby further improving the production efficiency of the prestressed staircase.

[0063] As the first mold 2 and the second mold 4 move further apart, the width of the molding area increases, providing sufficient space for subsequent assembly and debugging.

[0064] When all components are in place and ready for pouring, the two sets of telescopic drive components 7 start in opposite directions, driving the first side mold 2 and the second side mold 4 closer together. The width of the forming zone gradually decreases until it equals the thickness of the prestressed staircase. At this point, the device enters the forming state, ready for concrete pouring.

[0065] Example 5:

[0066] Reference Figures 1-5 In addition to possessing all the technical solutions of any of the above embodiments, the embodiments of the present invention further possess the following technical solutions:

[0067] The linkage 8 includes a spacer rod 81 and a connecting plate 82. The spacer rod 81 is connected to one of the integrated mold 5 and the core mold 3, and the connecting plate 82 is connected to the other of the integrated mold 5 and the core mold 3. The connecting plate 82 has a connecting hole 800. The spacer rod 81 passes through the connecting hole 800 and is slidably connected to the connecting hole 800 along the extension direction of the track 1. A limiting part 810 is formed at the end of the spacer rod 81 near the connecting plate 82 to limit the maximum distance between the spacer rod 81 and the connecting plate 82. When the prestressed stair production device switches from the disengaged state to the formed state, the surfaces of adjacent first side molds 2 and core molds 3, adjacent core molds 3, and adjacent core molds 3 and second side molds 4 can be directly or indirectly pressed against each other. When the prestressed stair production device switches from the formed state to the disengaged state, the spacer rod 81 and the connecting plate 82 can pull against each other. The connecting plate 82 on the vertical side of the connecting hole 800 has an open structure to form a clearance opening that allows the spacer rod 81 to pass vertically.

[0068] In this embodiment, the spacer rod 81 is a rigid rod-shaped component, one end of which can be fixed on the integrated mold 5. The main function of the spacer rod 81 is to maintain a predetermined distance between adjacent mold components and to adjust this distance by sliding when needed.

[0069] The connecting plate 82 is a plate-shaped component with a connecting hole 800. It is fixed to the core mold 3 or the side mold. The connecting hole 800 is for the spacer rod 81 to pass through. Its shape and size should ensure that the spacer rod 81 can slide smoothly inside it without getting stuck.

[0070] The connecting hole 800 is designed as an open structure on the vertical side of the connecting plate 82, that is, an open structure on the top side of the connecting hole 800. This openness forms a clearance opening to allow the spacer rod 81 to pass vertically. The clearance opening allows the spacer rod 81 to smoothly enter or exit the connecting hole 800 when the integrated mold 5 is inserted into the latter and disengaged from the forming area, without any additional operation. This greatly improves the convenience of assembling and lifting the integrated mold 5, and further improves the production efficiency of the prestressed staircase.

[0071] Furthermore, the linkage 8 can consist of only the spacer rod 81 and the connecting plate 82, making its structure very simple and compact, which in turn helps to reduce the overall cost of the device and improve the structural compactness of the device.

[0072] The sliding connection and limiting design of the spacer bar 81 ensures the stability and accuracy of the mold components during movement.

[0073] Since there are no other components restricting the sliding of the spacer rod 81 and the connecting plate 82, the design of the linkage 8 in this embodiment allows each integrated mold 5 to slide freely within the range defined by the upper limit part 810 of the spacer rod 81 during demolding, thereby greatly improving the convenience of demolding.

[0074] During the process of switching the device to the forming state, the force exerted by the first side mold 2 and the second side mold 4 on each other is transmitted by the mutual extrusion of adjacent components. This makes the entire switching process of the device a sequential transmission process. In this way, the force required by the telescopic drive 7 to overcome the inertia of each component will also be an increasing force, which is conducive to ensuring the stable and reliable operation of the telescopic drive 7 in the initial stage and can also reduce the energy consumption of the telescopic drive 7.

[0075] At the same time, switching to the forming state by extruding components together ensures that each opposite surface of the components is reliably joined together, which helps to improve the forming accuracy of the prestressed staircase.

[0076] During the process of switching the device to the separation state, the force is transmitted by the mutual traction between the spacer rod 81 and the connecting plate 82. This makes the entire switching process of the device a sequential transmission process. As a result, the force that the telescopic drive component 7 needs to overcome will also be a gradually increasing force, which helps to ensure the stable and reliable operation of the telescopic drive component 7 in the initial stage and also reduces the energy consumption of the telescopic drive component 7.

[0077] At the same time, the mutual traction force transmitted by the spacer rod 81 and the connecting plate 82 can ensure that each component can be reliably separated, which in turn helps to improve the demolding efficiency of the device.

[0078] Example 6:

[0079] Reference Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 In addition to possessing all the technical solutions of any of the above embodiments, the embodiments of the present invention further possess the following technical solutions:

[0080] The prestressed staircase production device also includes a demolding device 9, which can be connected to the core mold 3. The core mold 3 forms a molding sidewall facing the molding area, and an installation space is formed inside the core mold 3. The demolding device 9 includes a push block 91 and a drive assembly. The main body of the drive assembly is supported in the installation space. The push block 91 is embedded in the molding sidewall and is slidably connected to the molding sidewall along the extension direction of the track 1. The push block 91 is driven by the drive assembly so that the drive assembly can drive the push block 91 to switch between the demolding state and the hidden state.

[0081] In this embodiment, the demolding device 9 greatly improves production efficiency and simplifies the demolding process.

[0082] Push block 91 is embedded in the molding sidewall of core mold 3. This molding sidewall is the part that faces the molding area and directly participates in the molding of the stair components. Push block 91 and molding sidewall are connected by a sliding connection along the thickness direction of the prestressed staircase. This design allows push block 91 to move smoothly in a predetermined direction when needed.

[0083] During the demolding process, push block 91 acts directly on the stair component, pushing the component away from the mold through its movement. The shape, size, and material of push block 91 need to be selected according to the specific design requirements of the stair component to ensure the demolding effect without damaging the component; for example, it can be set as a rectangular plate.

[0084] The main body of the drive assembly is supported within the mounting space inside the core mold 3. This mounting space provides a stable foundation for the drive assembly, ensuring its safety during operation and preventing it from affecting the formation of the prestressed staircase.

[0085] The drive assembly is connected to the pusher block 91. This connection can be mechanical, hydraulic, or pneumatic, depending on the overall design of the production equipment and actual needs. The function of the drive connection is to transmit the power of the drive assembly to the pusher block 91, enabling it to move along a predetermined trajectory and speed.

[0086] The drive assembly provides power for the demolding process. When demolding is required, the drive assembly activates and drives the push block 91 from the hidden state to the demolding state. In the demolding state, the push block 91 pushes the prestressed staircase away from the molded sidewall; after demolding is completed, the drive assembly drives the push block 91 back to the hidden state to prepare for the next molding operation.

[0087] Before the stair components are formed or after demolding, the push block 91 is in a hidden state, that is, it is completely embedded in the forming side wall of the core mold 3, without occupying extra space and without affecting the normal closing of the mold.

[0088] The design of the demolding device 9 makes the demolding process more efficient and stable, greatly improving production efficiency.

[0089] When the push block 91 is hidden, it does not occupy extra space, making the mold structure more compact and reasonable.

[0090] Example 7:

[0091] Reference Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 In addition to possessing all the technical solutions of any of the above embodiments, the embodiments of the present invention further possess the following technical solutions:

[0092] The drive assembly includes a drive unit and a linkage unit. The drive unit includes a lead screw 92 and a slider 93, and the linkage unit includes a connecting rod 94. One drive unit can connect multiple linkage units to drive corresponding push blocks 91. The lead screw 92 is rotatably connected to the side wall of the core mold 3 along the length direction of the prestressed staircase. The slider 93 is threadedly connected to the lead screw 92. The two ends of the connecting rod 94 can be hinged to the slider 93 and the push block 91 respectively along the width direction of the prestressed staircase. When the push block 91 is in the hidden state, the line connecting the hinge points of the two ends of the connecting rod 94 forms a first angle with the axis of the lead screw 92. When the push block 91 is in the demolding state, the line connecting the hinge points of the two ends of the connecting rod 94 forms a second angle with the axis of the lead screw 92. The first angle is less than 90°, and the second angle is greater than the first angle.

[0093] In this embodiment, the driving unit and the linkage unit can simultaneously drive multiple push blocks 91 to achieve rapid and smooth demolding of the prestressed staircase.

[0094] The drive unit includes a lead screw 92 and a slider 93. The lead screw 92 is rotatably connected to the side wall of the core mold 3 along the length of the prestressed staircase. This design allows the lead screw 92 to stably provide rotational power. The slider 93 is threadedly connected to the lead screw 92. When the lead screw 92 rotates, the slider 93 will move linearly along the axis of the lead screw 92.

[0095] The rotation of the lead screw 92 can be achieved by external power sources such as electric motors, hydraulic motors, and handwheels.

[0096] The linkage includes a connecting rod 94, with both ends of the connecting rod 94 hinged to the slider 93 and the push block 91 along the width direction of the prestressed staircase. This hinged connection allows the connecting rod 94 to rotate flexibly as the slider 93 and the push block 91 move, thereby achieving smooth pushing of the push block 91.

[0097] When the push block 91 is in the hidden state, the line connecting the hinge points at both ends of the connecting rod 94 forms a first angle with the axis of the lead screw 92, which is less than 90°. That is, in the initial state, the connecting rod 94 is in a relatively retracted state, reserving space for the extension of the push block 91. When the push block 91 is in the demolding state, with the movement of the slider 93 and the rotation of the connecting rod 94, a second angle is formed between the line connecting the hinge points at both ends and the axis of the lead screw 92. This angle is greater than the first angle, thus allowing the push block 91 to be pushed out within the molding sidewall.

[0098] In this embodiment, a single driving unit can connect multiple linkage units to drive multiple push blocks 91 to work simultaneously, which greatly improves demolding efficiency and also helps to improve the synchronization of demolding, thereby improving the demolding effect.

[0099] The push block 91 is smoothly pushed by the transmission action of the connecting rod 94, avoiding damage to components or molds caused by uneven thrust or directional deviation.

[0100] The compact design of the drive unit and linkage unit makes the overall structure of the demolding device 9 more compact and reasonable, saving space and reducing costs.

[0101] Specifically, the demolding process is carried out after the device is switched to the disengagement state.

[0102] Example 8:

[0103] Reference Figures 1-4 In addition to possessing all the technical solutions of any of the above embodiments, the embodiments of the present invention further possess the following technical solutions:

[0104] The prestressed staircase production device also includes multiple sets of sliding connection components 10. The sliding connection components 10 are respectively located at the bottom of the first side mold 2, the core mold 3, the second side mold 4 and the base 6, and are slidably connected to the track 1 along the extension direction of the track 1.

[0105] In this embodiment, the sliding connection component 10 establishes a sliding connection between the above-mentioned component and the track 1 to ensure low friction and stability when the above-mentioned component slides, thereby improving the stability and reliability of the prestressed staircase production device during use.

[0106] The sliding connection assembly 10 includes a support roller and a limiting roller. The support roller provides support, while the limiting roller, in addition to providing support, also limits the position of the sliding connection assembly 10 and the track 1 relative to the length of the prestressed staircase, thereby ensuring the stability of the first side mold 2, the core mold 3, the second side mold 4, and the base 6.

[0107] Example 9:

[0108] Reference Figures 1-6The present invention provides a method for producing a prestressed staircase production device, which is applied to the prestressed staircase production device in any of the above embodiments.

[0109] This production method defines a modular formwork production process for prestressed stairs, enabling efficient and high-volume production. The following is a detailed explanation of each step:

[0110] S1: Based on the prestressed staircase production device being in a forming state, concrete is poured into the integrated mold 5 in the forming area:

[0111] In this step, it is first ensured that the prestressed staircase production device has been correctly assembled and is in a molding state. This means that all mold components, including the first side mold 2, core mold 3, second side mold 4, and demolding device 9, have been tightly closed according to predetermined requirements, forming a complete molding zone. Then, concrete is poured into this molding zone, which fills the entire cavity and gradually hardens into the required staircase component.

[0112] S2: After the concrete in the forming zone has initially solidified, switch the prestressed staircase production device to the disengaged state.

[0113] After the concrete has initially cured, the prestressed staircase production device needs to be switched from the molding state to the release state in order to release the initially cured staircase components from the molding zone. During this process, the demolding device 9 separates the components from the mold by pushing the prestressed staircase.

[0114] S3: Lift the integrated mold 5 in the molding area to separate the integrated mold 5 with the prestressed stairs from the molding area, and uniformly place the integrated mold 5 with the prestressed stairs for further curing.

[0115] After the mold components are separated, hoisting equipment is needed to lift and remove the integrated mold 5 from the molding area. During this process, the stability and safety of the integrated mold 5 must be ensured to avoid damage to the components. After removal, the integrated mold 5 is uniformly placed in a suitable location, and the prestressed staircase supported on it is further cured to ensure the concrete continues to harden to the required strength, thus ensuring the quality and stability of the staircase components.

[0116] S4: Replace the mold with another set of integrated molds 5 in the molding area and switch the prestressed staircase production device to the molding state:

[0117] After the integrated mold 5 is removed and installed, a new integrated mold 5 needs to be replaced in the molding area to prepare for the next round of production. This replacement process needs to be carried out quickly and accurately to ensure the continuity and efficiency of the production line. Simultaneously, the prestressed staircase production device needs to be switched back to the molding state, i.e., all mold components need to be closed again to form a new molding area. At this point, the molding area is ready to receive new concrete pouring.

[0118] After the integrated mold 5, together with the prestressed staircase, is removed from the molding area, another set of integrated mold 5 can be immediately installed into the molding area, enabling the device to continue the casting operation of the prestressed staircase. This greatly reduces the downtime in the molding process and further improves the production efficiency of the device for prestressed staircases.

[0119] S5: Repeat S1-S4

[0120] After completing the above steps, the entire production process can be repeated cyclically. By continuously repeating steps S1 to S4, prestressed stairs can be produced in large quantities efficiently.

[0121] It can be understood that, except for conflicting parts, the above embodiments 1-9 can be freely combined to form other embodiments of the present invention.

[0122] In the description of this invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0123] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0124] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," or "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0125] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to those processes, articles, or apparatus / devices.

[0126] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. A pre-stressed stair production apparatus, characterized by: The pre-stressed stair production device comprises a track (1), a first side mold (2), a core mold (3) and a second side mold (4) which are sequentially and slidably connected to the track (1) along the extension direction of the track (1), and the core mold (3) is provided in multiple. The first side mold (2) and the core mold (3), the core mold (3) and the second side mold (4) are sequentially arranged along the extension direction of the track (1), and the first side mold (2), the core mold (3) and the second side mold (4) form a forming area. The first side mold (2) and the second side mold (4) can move towards or away from each other along the extension direction of the track (1), so that the pre-stressed stair production device can be switched between a disengaged state and a forming state. In the disengaged state, the width of the forming area along the extension direction of the track (1) is greater than the thickness of the pre-stressed stair; in the forming state, the width of the forming area along the extension direction of the track (1) matches the thickness of the pre-stressed stair. The pre-stressed stair production device further comprises a plurality of integrated molds (5) which are slidably connected to the track (1) along the extension direction of the track (1), the integrated molds (5) are provided in multiple groups, each group of the integrated molds (5) is arranged in the forming area one by one, and is used for supporting the pre-stressed stair. The integrated mold (5) comprises a supporting plate (51), two groups of tensioning frames (52) and two groups of end molds (53), the bottom ends of the two groups of tensioning frames (52) and the two groups of end molds (53) are detachably connected to the two ends of the supporting plate (51) in the length direction, the two groups of end molds (53) are located between the two groups of tensioning frames (52), the tensioning frames (52) can tension the pre-stressed steel bars, and the supporting plate (51) can support the thickness surface of the pre-stressed stair; the supporting plate (51) extends horizontally in the vertical direction of the extension direction of the track (1). The pre-stressed stair production device further comprises an ejection device (9), a side wall of the core mold (3) facing the forming area forms a forming side wall, and an installation space is formed in the core mold (3). The ejection device (9) comprises a push block (91) and a driving assembly, the main body of the driving assembly is supported in the installation space, the push block (91) is embedded on the forming side wall and is slidably connected to the forming side wall along the extension direction of the track (1), and the push block (91) is drivingly connected to the driving assembly, so that the driving assembly can drive the push block (91) to switch between an ejection state and a hidden state.

2. The pre-stressed stair production apparatus of claim 1, wherein: The integrated mold (5) further comprises a top frame (54) which is detachably connected to the top ends of the two groups of tensioning frames (52).

3. The pre-stressed stair production apparatus of claim 2, wherein: The pre-stressed stair production device further comprises a base (6) corresponding to the integrated mold (5), the base (6) is slidably connected to the track (1) along the extension direction of the track (1), an installation groove (600) for supporting the integrated mold (5) is formed in the base (6), the integrated mold (5) can be separated from the installation groove (600) by vertical movement or matched with the installation groove (600).

4. The pre-stressed stair production apparatus as claimed in claim 3, wherein: The pre-stressed stair production device further comprises a telescopic driving member (7) and a linkage member (8). The telescopic driving members (7) can be arranged in two groups; the driving ends of the two groups of telescopic driving members (7) are correspondingly drivingly connected with the first side mold (2) and the second side mold (4) along the extension direction of the track (1); The linkage member (8) can link adjacent first side mold (2) and core mold (3), adjacent core mold (3), and adjacent core mold (3) and second side mold (4); The linkage member (8) includes a fixed distance rod (81) and a connecting plate (82), the fixed distance rod (81) is connected to one of the integrated mold (5) and the core mold (3), the connecting plate (82) is connected to the other one of the integrated mold (5) and the core mold (3), the connecting plate (82) is provided with a connecting hole (800), the fixed distance rod (81) penetrates through the connecting hole (800) and is slidingly connected with the connecting hole (800) along the extension direction of the track (1); The end of the fixed distance rod (81) close to the connecting plate (82) forms a limiting portion (810) to limit the maximum distance between the fixed distance rod (81) and the connecting plate (82); When the prestressed stair production device switches from the disengaged state to the forming state, the opposite surfaces of adjacent first side mold (2) and core mold (3), adjacent core mold (3), and adjacent core mold (3) and second side mold (4) can directly or indirectly extrude each other; When the prestressed stair production device switches from the forming state to the disengaged state, the fixed distance rod (81) and the connecting plate (82) can pull each other; The connecting plate (82) on the vertical side of the connecting hole (800) is an open structure to form a gap for the vertical passing of the fixed distance rod (81).

5. The pre-stressed stair production apparatus of claim 4, wherein: The linkage member (8) is composed of the fixed distance rod (81) and the connecting plate (82).

6. The pre-stressed stair production apparatus of claim 5, wherein: The driving assembly includes a driving part and a linkage part, the driving part includes a lead screw (92) and a sliding block (93), and the linkage part includes a connecting rod (94); One driving part can connect multiple linkage parts to drive the corresponding push block (91); The lead screw (92) is rotatably connected to the side wall of the core mold (3) along the length direction of the prestressed stair, the sliding block (93) is threadedly connected to the lead screw (92) and slidingly connected to the mounting space along the axis direction of the lead screw (92), and the two ends of the connecting rod (94) are respectively hingedly connected to the sliding block (93) and the push block (91) along the width direction of the prestressed stair; When the push block (91) is in the hidden state, the line connecting the two end hinge points of the connecting rod (94) and the axis of the lead screw (92) forms a first angle; When the push block (91) is in the demolding state, the line connecting the two end hinge points of the connecting rod (94) and the axis of the lead screw (92) forms a second angle; Wherein, the first angle is less than 90°, and the second angle is greater than the first angle.

7. The pre-stressed stair production apparatus of any one of claim 3, wherein: Also included are multiple sets of sliding connection assemblies (10) provided one by one on the first edge mold (2), the core mold (3), the second edge mold (4) and the bottom of the base (6), and slidingly connected with the track (1) along the extension direction of the track (1).

8. A method of production of a pre-stressed stair production device, characterized by: The prestressed stair production device and the production method thereof have the following advantages. S1: based on the prestressed stair production device being in the forming state, pouring concrete into the integrated mold (5) of the forming area; S2: after the concrete in the forming area is preliminarily solidified, the prestressed stair production device is switched to the disengaged state; S3: lifting the integrated mold (5) in the forming area, so that the integrated mold (5) with the prestressed stair is disengaged from the forming area, and the integrated mold (5) with the prestressed stair is uniformly placed for further solidification; S4: replacing another set of integrated mold (5) in the forming area, and switching the prestressed stair production device to the forming state; S5: repeating S1-S4.

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