Tool beneficial to preventing reverse water pouring during reverse punching of holes in external wall panel
By designing a funnel-shaped hollow tooling body and a detachable locking seat, the problems of tooling deformation and short service life in reverse-firing components are solved, effectively preventing backflow of water through holes and improving tooling stability, thus extending service life.
Patent Information
- Application Number
- CN202423094993.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-14
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-14
AI Technical Summary
In the existing technology, the existing tooling is constrained, and the existing tooling is prone to deformation in the reverse component, has a short lifespan, and cannot effectively prevent backflow of water through the reserved holes.
Design a tooling body with a trumpet-shaped hollow structure, combined with a detachable locking seat and a pressure rod. Adopting a structure that is smaller at the top and larger at the bottom, the combination of the pressure rod and the locking seat ensures the stability of the tooling body, prevents concrete from entering the cavity, and extends its service life.
It effectively prevents backflow of water through the holes in the exterior wall panels, reduces hole blockage and damage rates, improves tooling stability, and extends service life.
Smart Images

Figure CN223608189U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building construction technical field, especially a tool for preventing reverse water of reverse beating outer wallboard hole, aims at improving the waterproof performance and construction efficiency of prefabricated outer wallboard in assembled building. BACKGROUND
[0002] With the iterative development of assembled building, the civil residence of assembled building is booming in various cities, and the assembly rate is also increasing. The improvement of assembly rate makes the prefabricated wallboard become a trend. The prefabricated wallboard is transported to the construction site for installation after being produced in the factory, so a large number of installation holes are reserved. In order to prevent the reserved hole from reversing water, the wallboard is generally produced by positive beating process. However, considering economy, benefit and technical feasibility, part of the components can only be produced by reverse beating process. Therefore, it is very important to solve the problem of reverse water of reverse beating components.
[0003] At present, the commonly used reserved hole tooling piece on the market adopts the structure of large upper and small lower in order to ensure that it can be pulled out at initial setting. However, this structure of tooling piece is only suitable for positive beating components. If it is used for reverse beating components, it will cause the reserved hole to reverse water. Another tooling piece with small upper and large lower fixed on the mold table is made of flexible rubber material in order to ensure that it will not be tilted by the components during demolding. However, it is easy to deform after a period of use, which is not conducive to repeated use and has low service life. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a tooling piece for preventing reverse water of reverse beating outer wallboard hole, so as to solve the problems in the above background technology.
[0005] (1) How to combine the tooling piece with the demolding process and material performance to learn from the advantages of the past tooling pieces;
[0006] (2) How to ensure that the tooling piece will not be shifted by the components during mold removal, and how to avoid the case that the reserved hole of the reverse beating prefabricated component is large outside and small inside.
[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0008] A tooling piece for preventing reverse water of reverse beating outer wallboard hole;
[0009] The tooling piece comprises a tooling body, a locking seat and a pressing rod.
[0010] The tooling body is provided with a through assembly hole along its axis, the pressing rod penetrates the assembly hole of the tooling body, and the lower end of the pressing rod is detachably connected with the locking seat. The locking seat is fixedly connected with the external mold table, and the upper end of the pressing rod abuts against the upper end face of the tooling body.
[0011] Adopt such structure, the tooling main part adopts the detachable structure, can be removed with the prefabricated component, effectively reduce the component hole block rate, hole damage rate.
[0012] On the basis of the above technical scheme, the utility model further can make improvement as follows.
[0013] Further, the tooling main part lower end face is provided with the stepped groove hole containing the locking seat, and the stepped groove hole is communicated with the assembly hole.
[0014] Further, the locking seat is M12 nut, and after adopting such structure, the welding mode is fixed on the mould platform.
[0015] Further, the compression rod includes bolt rod body and bolt head, and the bolt rod body of the compression rod is threaded through the assembly hole of the tooling main part and the lower end of the bolt rod body is screwed with the locking seat, so that after adopting such structure, the compression rod not only ensures the position accuracy of the tooling main part, but also can be used for fastening the tooling main part.
[0016] Further, the compression rod is further provided with a pressing piece, the pressing piece is sleeved outside the bolt rod body of the compression rod, and the pressing piece is between the bolt head of the compression rod and the upper end surface of the tooling main part, so that after adopting such structure, the pressing piece and the compression rod completely block the upper end of the assembly hole, the compression rod is increased with the pressing piece, and the cavity of the tooling main part is prevented from entering the concrete to cause the tooling blockage due to concrete vibration in the production process.
[0017] Further, the side wall of the tooling main part is in the shape of a horn hole with the upper end being smaller and the lower end being larger, so that after adopting such structure, the tooling main part is produced by drilling a stepped hollow shape in a metal round table, the bottom rigidity is increased, the tooling main part adopts the hollow horn shape structure, the stability of the tooling position is ensured through the combination of the compression rod and the locking seat.
[0018] Further, the total size of the axial direction of the compression rod is 5mm shorter than the axial direction length of the tooling main part, so that after adopting such structure, the compression rod does not contact the mould platform when being connected with the locking seat, and the stability of the tooling main part is higher.
[0019] The tooling is combined with the demoulding process and material performance to prevent the hole of the reverse-punched outer wall plate from being reversed, the advantages of the previous tooling are absorbed, the structure with the upper end being smaller and the lower end being larger is adopted, and in order to ensure that the tooling is not displaced by the component during the mould lifting process, the tooling is removed after the prefabricated component is lifted, so that the situation that the hole in the prefabricated component is larger inside and smaller outside is effectively avoided.
[0020] To achieve the above object, the technical scheme of the utility model is as follows:
[0021] The tool body of the tool for preventing reverse water in the hole of the outer wall plate is a horn-shaped hollow structure, the bottom of the tool body is widened to ensure sufficient rigidity to ensure its durability, the hollow part meets the locking seat and the pressing rod fixing, and the pressing rod increases the pressing piece to prevent concrete from entering the cavity during the vibrating process, thereby reducing the service life of the tool.
[0022] The tool for preventing reverse water in the hole of the outer wall plate has the following beneficial effects:
[0023] (1) The tool body has a structure of being small at the top and large at the bottom, which effectively prevents the problem of reverse water.
[0024] (2) The tool body is removed together with the prefabricated component, thereby reducing the component hole blockage rate and hole damage rate.
[0025] (3) The pressing rod design makes the tool body more stable and does not contact the mold table surface, thereby avoiding damage.
[0026] (4) The pressing piece is added to the upper end of the pressing rod to prevent concrete from entering the cavity of the tool body during the vibrating process, thereby prolonging the service life of the tool. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a structural schematic diagram of an embodiment of the tool for preventing reverse water in the hole of the outer wall plate.
[0028] Figure 2 is an exploded view of the schematic diagram of the embodiment of the tool for preventing reverse water in the hole of the outer wall plate.
[0029] Figure 3 is a schematic diagram of the tool body in the embodiment of the tool for preventing reverse water in the hole of the outer wall plate.
[0030] Figure 4 is Figure 3 a sectional view along A-A.
[0031] MARK NO.
[0032] Tool body-100; assembly hole-110; stepped groove-120; pressing rod-200; bolt rod body-210; bolt head-220; pressing piece-300; locking seat-400. DETAILED DESCRIPTION
[0033] In order to make the above objects, features and advantages of the present application more obvious and understandable, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many different ways other than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific implementations disclosed below.
[0034] The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.
[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0036] Please refer to Figures 1 to 4 .
[0037] The tool for preventing reverse water of the outer wall plate hole includes a tool main body 100, a locking seat 400 and a pressing rod 200.
[0038] The side wall of the tool main body 100 is in the shape of a horn hole with a small upper part and a large lower part. The tool main body 100 is provided with a through assembly hole 110 along the axis thereof. The tool main body 100 is provided with a stepped groove hole 120 for accommodating the locking seat 400 at the lower end surface thereof. The stepped groove hole 120 is coaxial with the assembly hole 110. The tool main body 100 is produced by drilling a stepped hollow shape in a metal circular table, thereby increasing the rigidity of the bottom part. The tool main body 100 adopts a hollow horn structure. The combination of the pressing rod 200 and the locking seat 400 ensures the stability of the tool position. After demolding, the outer wall of the tool main body 100 is fitted with the hole of the outer wall plate.
[0039] The tool main body 100 adopts a detachable structure, can be demolded together with the prefabricated component, and effectively reduces the component hole blockage rate and the hole damage rate.
[0040] The pressing rod 200 includes a bolt rod body 210 and a bolt head 220. The bolt rod body 210 of the pressing rod 200 penetrates the assembly hole 110 of the tool main body 100, and the lower end of the bolt rod body 210 is threadedly connected with the locking seat 400. The pressing rod 200 not only ensures the accurate position of the tool main body 100, but also can be used for fastening the tool main body 100.
[0041] The pressing rod 200 is further provided with a pressing plate 300, the pressing plate 300 is sleeved outside the bolt rod body 210 of the pressing rod 200, the pressing plate 300 is between the bolt head 220 of the pressing rod 200 and the upper end surface of the tool main body 100, the pressing plate 300 cooperates with the pressing rod 200 to completely block the upper end of the assembly hole 110, the pressing plate 300 is added to the upper end of the pressing rod 200, and it is guaranteed that the tool main body 100 cavity does not enter the concrete to cause the tool to be blocked due to the concrete vibration in the production process.
[0042] The total size of the axial direction rod length of the pressing rod 200 is 5mm shorter than the axial direction length of the tool main body 100, when the pressing rod 200 is connected with the locking seat 400, the pressing rod 200 cannot contact the mold table surface, and the stability of the tool main body 100 is higher.
[0043] The locking seat 400 is an M12 nut, and is fixed on the mold table surface in a welding mode.
[0044] In use, the pressing rod 200 is inserted from the upper side of the tool main body 100, the lower threaded portion of the pressing rod 200 is screwed and fixed with the locking seat 400, so that the accuracy and stability of the tool position are guaranteed.
[0045] The above only describes one embodiment of the present application, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the principles of the present application, a number of modifications and improvements can be made, and these should be regarded as belonging to the protection scope of the present application.
Claims
1. A tool for preventing reverse water from flowing into the hole of an outer wall panel, characterized in that: it comprises a tool body (100), a locking seat (400) and a pressing rod (200); the tool body (100) is provided with a through assembly hole (110) along its axis, the pressing rod (200) penetrates the assembly hole (110) of the tool body (100), and the lower end of the pressing rod (200) is detachably connected with the locking seat (400), the locking seat (400) is fixedly connected to an external mold table, and the upper end of the pressing rod (200) abuts against the upper end surface of the tool body (100).
2. The tool for preventing reverse water from flowing into the hole of an outer wall panel according to claim 1, characterized in that: the lower end surface of the tool body (100) is provided with a stepped slot hole (120) for accommodating the locking seat (400), and the stepped slot hole (120) is communicated with the assembly hole (110). The locking seat (400) is an M12 nut.
4. The tool for preventing reverse water from flowing into the hole of an outer wall panel according to claim 3, characterized in that: the pressing rod (200) comprises a bolt rod body (210) and a bolt head (220), the bolt rod body (210) of the pressing rod (200) penetrates the assembly hole (110) of the tool body (100), and the lower end of the bolt rod body (210) is threadedly connected with the locking seat (400).
5. The tool for preventing reverse water from flowing into the hole of an outer wall panel according to claim 4, characterized in that: the pressing rod (200) is further provided with a pressing piece (300), the pressing piece (300) is sleeved outside the bolt rod body (210) of the pressing rod (200), and the pressing piece (300) is located between the bolt head (220) of the pressing rod (200) and the upper end surface of the tool body (100).
3. The tooling for preventing reverse water flow through the hole of the outer wallboard according to claim 1, wherein: The side wall of the tool body (100) is in the shape of a horn hole with a small upper end and a large lower end. The total size of the axial direction length of the pressing rod (200) is 5mm shorter than the axial direction length of the tool body (100). 6. The tooling for preventing reverse water flow through the hole of the outer wallboard according to claim 1, wherein: 7. The tooling for preventing reverse water flow through the hole of the outer wallboard according to claim 1, wherein: