A production mold box of a press-formed built-in keel homogeneous plate

Abstract

The utility model belongs to the production technology field of homogeneous plate, and relates to a production mould box of a press forming built-in keel homogeneous plate, which comprises a pressing plate, a mould frame and a bottom support, the bottom of the mould frame is detachably arranged on the bottom support, and the bottom support seals the lower opening of the mould frame; a snap lock piece is connected between the mould frame and the bottom support, and the snap lock piece relatively fixes the mould frame and the bottom support; the pressing plate is arranged in the mould frame, and the size of the pressing plate is matched with the inner wall of the mould frame; a keel limiting unit for limiting the built-in keel during press forming is arranged in the mould frame; when the built-in keel is demoulded, the keel limiting unit does not contact the built-in keel. After the above structure is adopted, the beneficial effects are as follows: the design of the keel limiting unit can accurately position the built-in keel, does not affect the demoulding of the built-in keel after forming, and concrete cannot leak out during press forming.

Description

Technical Field

[0001] This utility model belongs to the field of homogeneous plate production technology, specifically, it relates to a production mold box for a pressed homogeneous plate with an internal keel. Background Technology

[0002] Existing homogeneous boards (such as gypsum board and fiber cement board) often face the problem of insufficient compressive strength in building applications, especially when subjected to concentrated loads (such as suspended heavy objects or long-term lateral stress, such as wind pressure in high-rise buildings), which can easily lead to local deformation or even cracking. This defect mainly stems from their material characteristics: homogeneous boards have a homogeneous internal structure and lack a directional reinforcing mechanical skeleton, resulting in a single stress transmission path and generally low compressive strength. To solve this problem, "embedded keel reinforcement technology" is introduced—light steel keels or composite material keels (such as glass fiber reinforced plastic) are embedded during the production of homogeneous boards to form a "board-rib composite structure".

[0003] The current reinforcement process for homogeneous boards with built-in keels has two major defects that directly affect the mechanical properties of the composite structure: 1. During the homogeneous board pressing stage (such as gypsum board roll pressing or fiber cement board hot pressing), if the unfixed keel is directly pressed together with the raw material, the difference in material rheological properties will cause the keel to shift or twist; 2. To avoid pressing deformation, some manufacturers use a "post-installed hole embedding method"—first, mechanically groove / drill holes in the homogeneous board, then insert the keel and fix it with adhesive. While this method simplifies the process, it introduces new defects, such as insufficient interfacial bonding: the homogeneous board at the edge of the hole forms micro-cracks due to cutting damage, and the adhesive only covers the contact surface, resulting in low shear strength at the keel-board interface; stress concentration is aggravated, and geometric abrupt changes occur at the hole, significantly reducing fatigue life. Therefore, how to fix the built-in keel during the pressing process is a major challenge. Utility Model Content

[0004] To address the aforementioned problems in the prior art, this utility model provides a production mold box with a built-in keel homogeneous plate that has been pressed and molded.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] As one aspect of this utility model, a production mold box for a press-formed homogeneous plate with an internal keel is proposed, comprising: a pressure plate, a mold frame, and a base support. The bottom of the mold frame is detachably mounted on the base support, and the base support closes the lower opening of the mold frame. The mold frame and the base support are connected by a snap-locking device, which fixes the mold frame and the base support relative to each other. The pressure plate is placed inside the mold frame, and the size of the pressure plate matches the inner wall of the mold frame.

[0007] The mold frame is movably provided with a keel limiting unit that limits the movement of the built-in keel during the pressing and molding process; when the built-in keel is demolded, the keel limiting unit does not contact the built-in keel.

[0008] According to this utility model, the keel limiting unit includes an ear seat connected to the outer side of the mold frame. The mold frame has clearance holes located on the side of the ear seat, and the number of clearance holes is the same as the number of ear seats. A limiting block is connected to the ear seat via a connecting pin. The limiting block is rotatable relative to the ear seat with the center of the connecting pin as the fulcrum. The limiting block matches the clearance hole.

[0009] According to this utility model, the limiting block includes a block body, the block body has an installation hole, the installation hole is connected to the ear seat by a connecting pin; the block body has a support platform for supporting the built-in keel; the block body has a block arc surface that cooperates with the clearance hole.

[0010] According to this utility model, the mold frame is formed by welding four panels end to end, and the upper and lower ends of the mold frame are both open.

[0011] According to this utility model, the bottom of the base is provided with rollers.

[0012] According to this utility model, the mold frame is provided with a pressure plate limiting structure, which limits the position of the pressure plate within the mold frame.

[0013] According to this utility model, the keel limiting unit is symmetrically arranged on the short side of the mold frame.

[0014] According to this utility model, the card block body has a handle portion that facilitates rotation.

[0015] The production mold box for the press-molded homogeneous plate with built-in keel of this utility model has the following advantages: the design of the keel limiting unit can make the built-in keel accurately positioned and does not affect the demolding of the built-in keel after molding. Moreover, concrete will not leak out during the pressing process; the radius of curvature of the arc surface of the card block is perfectly matched with the edge of the relief hole to form a physical seal, effectively preventing dry or semi-dry concrete particles from overflowing from the gap. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0017] Figure 1 This is a front view of the production mold box for the press-molded homogeneous plate with built-in keel of this utility model.

[0018] Figure 2 This is a top view of the production mold box for the press-molded homogeneous plate with built-in keel of this utility model.

[0019] Figure 3 This is a cross-sectional view of the production mold box for the press-molded homogeneous plate with built-in keel of this utility model.

[0020] Figure 4 This is a three-dimensional view of the production mold box of the press-molded homogeneous plate with built-in keel of this utility model after the pressure plate is removed.

[0021] Figure 5 This is a partial schematic diagram of the clearance hole and the keel limiting unit of the mold frame of this utility model;

[0022] Figure 6 This is a schematic diagram of the keel limiting unit of this utility model;

[0023] Figure 7 This is a diagram showing the working state of the built-in keel and the keel limiting unit of this utility model. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] One embodiment of this application provides a production mold box for a press-molded homogeneous plate with an internal keel, such as... Figures 1-4 As shown, it includes: a pressure plate 11, a mold frame 12, and a base support 13. The mold frame 12 is formed by welding four panels end to end. The upper and lower ends of the mold frame 12 are open. The bottom of the mold frame 12 is detachably mounted on the base support 13, which closes the lower opening of the mold frame 12. The mold frame 12 and the base support 13 are connected by a latching lock 14, which fixes the mold frame 12 and the base support 13 relatively, preventing displacement between the mold frame 12 and the base support 13 during the pressing process. The latching lock 14 is existing technology and will not be described in detail here. The bottom of the base support 13 is provided with rollers 15, allowing the production mold box to move along the guide rails on the production line.

[0026] The pressure plate 11 is placed inside the mold frame 12, and the size of the pressure plate 11 matches the inner wall of the mold frame 12 so that dry or semi-dry concrete does not leak out.

[0027] The mold frame 12 is provided with a pressure plate limiting structure 16, which limits the position of the pressure plate 11 within the mold frame 12, restricting the pressure plate 11 from moving upward relative to the mold frame 12, thus playing a limiting role. After the homogeneous plate in the production mold box is pressed into shape, the latch lock 14 is opened, and then the mold frame 12 is lifted, the pressure plate 11 is removed, and then the mold frame 12 is lowered. The structure of the pressure plate limiting structure 16 is prior art, such as the pressure plate limiting structure disclosed in publication number CN113510827A, and will not be described in detail here.

[0028] The mold frame 12 is movably provided with a keel limiting unit 17 that limits the internal keel 2 during pressing and forming, so as to prevent the internal keel 2 from deforming or shifting during the pressing process; when the internal keel 2 is demolded, the keel limiting unit 17 does not contact the internal keel 2; preferably, the keel limiting unit 17 is symmetrically arranged on the short side of the mold frame 12.

[0029] Furthermore, such as Figure 1 and Figures 5-7 As shown, the keel limiting unit 17 includes an ear seat 171 connected to the outer side of the mold frame 12. The mold frame 12 has clearance holes 121 located on the side of the ear seat 171, and the number of clearance holes 121 is the same as the number of ear seats 171. A limiting block 173 is connected to the ear seat 171 via a connecting pin 172. The limiting block 173 can rotate relative to the ear seat 171 with the center of the connecting pin 172 as the fulcrum. The limiting block 173 matches the clearance hole 121 to prevent dry or semi-dry concrete in the mold frame 12 from leaking out of the clearance hole 121. The position of the limiting block 173 is lower than the position of the pressure plate limiting structure 16. This is because the pressure plate limiting structure 16 is used to limit the pressure plate 11, and the limiting block 173 is used to limit the internal keel 2.

[0030] The limiting block 173 includes a block body 1731, on which a mounting hole is provided. The mounting hole is connected to the ear seat 171 via a connecting pin 172. A support platform 1734 for supporting the built-in keel 2 is formed on the block body 1731. During the pressing process, the support platform 1734 is located inside the mold frame 12. During demolding, the support platform 1734 rotates so that the support platform 1734 does not contact the built-in keel 2 and is not inside the mold frame 12, which facilitates demolding. A block arc surface 1732 that matches the clearance hole 121 is formed on the block body 1731. Through the matching design of the block arc surface 1732 and the clearance hole 121, the radius of curvature of the block arc surface 1732 is perfectly matched with the edge of the clearance hole, which can prevent dry or semi-dry concrete from leaking out of the clearance hole 121. A handle 1733 for easy rotation is formed on the block body 1731.

[0031] The above adopts a leak-proof sealing design: the arc-shaped part of the locking block 1732 is precisely matched with the relief hole 121, and the radius of curvature of the arc-shaped part of the locking block 1732 is completely matched with the edge of the relief hole, forming a physical seal, which effectively prevents dry or semi-dry concrete particles from overflowing from the gap; the arc-shaped contact disperses the pressure through surface contact during the pressing stage, avoiding local stress concentration that leads to deformation; the support platform rotates and exits during the demolding stage, ensuring the demolding of the built-in keel homogeneous plate.

[0032] As described above, the production mold box for the press-molded homogeneous plate with built-in keel adopts the design of keel limiting unit, which can make the built-in keel accurately positioned and does not affect the demolding of the built-in keel after molding. Moreover, concrete will not leak out during the pressing process.

[0033] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] The above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall be covered by the present utility model.

Claims

1. A production mold box for a press-molded homogeneous plate with an internal keel, characterized in that, It includes: The mold includes a pressure plate, a mold frame, and a base support. The bottom of the mold frame is detachably mounted on the base support, which closes the lower opening of the mold frame. The mold frame and the base support are connected by a snap-lock mechanism, which secures the mold frame and the base support to each other. The pressure plate is placed inside the mold frame, and its size matches the inner wall of the mold frame. The mold frame is movably provided with a keel limiting unit that limits the movement of the built-in keel during the pressing and molding process; when the built-in keel is demolded, the keel limiting unit does not contact the built-in keel.

2. The production mold box with an internal keel homogeneous plate as described in claim 1, characterized in that, The keel limiting unit includes an ear seat connected to the outer side of the mold frame. The mold frame has clearance holes located on the side of the ear seat, and the number of clearance holes is the same as the number of ear seats. A limiting block is connected to the ear seat via a connecting pin. The limiting block can rotate relative to the ear seat with the center of the connecting pin as the fulcrum. The limiting block matches the clearance hole.

3. The production mold box with an internal keel homogeneous plate as described in claim 2, characterized in that, The limiting block includes a block body, on which an installation hole is provided, and the installation hole is connected to the ear seat by a connecting pin; the block body has a support platform for supporting the built-in keel; the block body has a block arc surface that mates with the clearance hole.

4. The production mold box with an internal keel homogeneous plate as described in claim 1, characterized in that, The mold frame is formed by welding four panels end to end, and the upper and lower ends of the mold frame are open.

5. The production mold box with an internal keel homogeneous plate as described in claim 1, characterized in that, The bottom of the base is equipped with rollers.

6. The production mold box with an internal keel homogeneous plate as described in claim 1, characterized in that, The mold frame is provided with a pressure plate limiting structure, which limits the position of the pressure plate within the mold frame.

7. The production mold box with an internal keel homogeneous plate as described in claim 1, characterized in that, The keel limiting unit is symmetrically arranged on the short side of the mold frame.

8. The production mold box with an internal keel homogeneous plate as described in claim 3, characterized in that, The card block body has a handle that allows for easy rotation.

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