Simple core mold free of repeated dismounting and mounting
By using the inverted U-shaped core mold design and the anchor bolts and expansion joints of the side mold and top mold, the problem of repeated core mold removal is solved, and construction is made fast and convenient, and prefabricated components are produced efficiently.
Patent Information
- Application Number
- CN202422900856.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-27
AI Technical Summary
In existing construction methods, the core mold needs to be repeatedly dismantled and installed, resulting in low construction efficiency, reduced structural durability, and quality risks.
A pair of side molds and a top mold are used to form an inverted U-shaped core mold, which is fixed to the prefabrication platform with anchor bolts. Expansion joints and struts are used to achieve rapid installation and retraction of the template, avoiding repeated dismantling.
It enables rapid and convenient construction, improves the durability and safety of structures, reduces construction time, and increases the efficiency of prefabrication construction.
Smart Images

Figure CN223630579U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building construction, more specifically, the utility model relates to a simple core mould without repeated dismounting and installation. BACKGROUND
[0002] The prefabricated component product has the advantages of good quality, strong flexibility and adaptability and environmental protection, and is widely used in highway protection, bridge structures, water intake foundation, pipeline protection and other engineering. In the prefabricated structure, various templates such as core moulds are inevitably encountered. In the existing construction scheme, the corresponding core mould needs to repeatedly dismount the template, hoist the prefabricated component product, and then install the template again for the production of the next prefabricated component product. The repeated dismounting and reinstallation of the template leads to low construction efficiency, reduces the durability of the structure, and also causes certain construction quality risks. SUMMARY
[0003] An object of the utility model is to provide a simple core mould without repeated dismounting and installation, which has the advantages of rapid and convenient construction, improved durability and safety of the structure, reduced installation time of the construction template, and improved prefabricated construction efficiency without reducing the construction quality.
[0004] In order to solve the above technical problems, the utility model provides a simple core mould without repeated dismounting and installation, which comprises a pair of side moulds and a pair of top moulds combined with the pair of side moulds into a reverse U-shaped core mould, the pair of side moulds are oppositely arranged on a prefabricated pedestal and fixed on the prefabricated pedestal by a plurality of foundation bolts arranged on the prefabricated pedestal, the pair of top moulds are both in reverse L shape, one end of the pair of top moulds is respectively hinged to the top end of the pair of side moulds, and the other end is respectively closely arranged, the pair of side moulds and the adjacent top moulds are integrally supported and connected by an expansion joint, and the two ends of the expansion joint are respectively hinged to the corresponding side mould and top mould.
[0005] Preferably, the expansion joint comprises a support rod and a pair of screw rods, the support rod is hollow and provided with an internal thread, one end of the pair of screw rods is respectively threadedly inserted into the interior of the support rod from the two end portions of the support rod, and the other end of the pair of screw rods is respectively hinged to the corresponding side mould and top mould.
[0006] Preferably, the side mould and the top mould are respectively provided with vertical ribs on the outer side of the to-be-constructed component to increase the strength of the template.
[0007] Preferably, the side mould and the top mould are hinged by a leaf.
[0008] Preferably, the closely arranged end face of the pair of top moulds is provided with a matching inclined surface.
[0009] Preferably, the side mold is provided with a foam board relative to the inner side of the component to be constructed.
[0010] The utility model at least has following beneficial effects:
[0011] (1) the installation of the simple core mold of the application is only needed to be installed once on the prefabricated pedestal, which avoids repeated installation and removal of the formwork, and improves construction efficiency.
[0012] (2) the simple core mold of the application can be produced in segments on the ground and installed conveniently, which reduces safety hazards.
[0013] (3) the simple core mold of the application is made of a shaped steel mold, which reduces deformation of the formwork and improves the quality of the prefabricated component.
[0014] Other advantages, objects and features of the utility model will be embodied partly through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole structure schematic view of the utility model.
[0016] EXPLANATION OF REFERENCE NUMERALS:
[0017] 1 - prefabricated pedestal; 2 - anchor bolt; 3 - shaped steel mold; 4 - leaf; 5 - strut; 6 - screw rod; 7 - lifting ring; 8 - component. DETAILED DESCRIPTION
[0018] In order to better understand the purpose, structure and function of the utility model, the utility model will be further described in detail in combination with the drawings, so that those skilled in the art can implement it according to the description.
[0019] It should be noted that in the description of the utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.
[0020] As Figure 1The utility model provides a kind of installation simple core mould of exempting from to repeat dismantling, including a pair of side mould and a pair of top mould that are combined as a whole to form inverted U-shaped core mould, a pair of side mould is oppositely arranged on prefabricated pedestal and is fixed on prefabricated pedestal by several anchor bolts arranged on prefabricated pedestal, a pair of top mould is inverted L-shaped, one end of a pair of top mould is respectively hinged to the top end of a pair of side mould, the other end is respectively close to setting, a pair of side mould and the top mould adjacent thereto are integrally supported and connected by expansion joint, and the two ends of the expansion joint are respectively hinged to the corresponding side mould and top mould.
[0021] The expansion joint includes a support rod and a pair of screws, the support rod is hollow and has internal threads, one end of the pair of screws is respectively threadedly inserted into the interior of the support rod from the two end portions of the support rod, and the other end of the pair of screws is respectively hinged to the corresponding side mould and top mould, and the hinge is achieved by a pin shaft.
[0022] The side mould and the top mould are provided with vertical ribs for increasing the strength of the formwork relative to the outer side of the member to be constructed.
[0023] The abutting end face of the pair of top moulds is provided with a matching inclined surface, facilitating smoother rotation and inward retraction.
[0024] The side mould is provided with a foam board on the inner side relative to the member to be constructed. When the prefabricated member is lifted away, the member and the formwork may collide, and the foam board serves as a buffer to reduce damage to the formwork. The foam board is thin, typically a few millimeters thick, and can be attached using double-sided tape.
[0025] The anchor bolts for fixing the core mould on the prefabricated pedestal are embedded and fixed, and the strength and number of the anchor bolts are determined according to the contact area and weight of the prefabricated member with the core mould. The core mould is composed of steel plates (side mould and top mould), section steels (vertical ribs), leaves, screws, and support rods. The installation and shaping of the core mould are completed by tightening the anchor bolts and support rods and rotating the leaves, after which the reinforcement is tied, the outer mould is installed, and the member is poured. After the strength of the member meets the lifting requirements, the support rods are rotated, the core mould automatically retracts inward, the member is lifted, and the support rods are tightened to restore the initial installation position of the core mould.
[0026] After the prefabricated pedestal 1 is completed, the anchor bolts 2 are set on the top surface of the prefabricated pedestal 1, so that the shaped steel mould 3 is firmly fixed with the prefabricated pedestal 1, and the side mould and the top mould are connected as a whole in advance through the leaves 4. The support rods 5 and the screws 6 are set to enable the top formwork to rotate around the leaves 4, and the prefabricated member 8 is lifted by the lifting ring 7 when its strength meets the requirements.
[0027] The specific construction method is: (1) according to the contact area and weight of the prefabricated component and the core mold, the strength and quantity of the anchor bolt are determined, and the anchor bolt is embedded in the prefabricated pedestal; (2) the prefabricated pedestal strength meets the requirements to install and fix the shaped steel mold, including the side mold and the top mold; (3) when the shaped steel mold is installed, the tightness or looseness of the supporting rod is adjusted to meet the specification requirements of the staggered table and the flatness; (4) after the structural component is completed, the supporting rod is rotated to make the top mold rotate around the hinge to make the core mold shrink inward; (5) after the structural component is lifted away from the core mold, the tightness or looseness is adjusted to restore the original state, and the next structural component prefabrication is entered.
[0028] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. Although the embodiments of the utility model have been disclosed as above, it is not limited to the application listed in the specification and the embodiment, and it can be fully applied to various fields suitable for the utility model. For those skilled in the art, other modifications can be easily realized, and therefore the utility model is not limited to specific details and the drawings shown and described herein without departing from the general concept defined by the claims and the equivalent range.
Claims
1. A repeatable removal installation simple core mold characterized by, The application relates to a core mold comprising a pair of side molds and a pair of top molds which are combined into a reverse U-shaped core mold, the pair of side molds are oppositely arranged on a precasting pedestal and fixed on the precasting pedestal through a plurality of anchor bolts arranged on the precasting pedestal, the pair of top molds are both in reverse L-shaped, one end of the pair of top molds is respectively hinged to the top end of the pair of side molds, and the other end is respectively closely arranged, the pair of side molds and the top molds adjacent thereto are integrally supported and connected through stretchable members, and the two ends of the stretchable members are respectively hinged to the corresponding side molds and top molds.
2. The easy-to-install core form of claim 1, wherein, The stretchable member comprises a supporting rod and a pair of screw rods, the supporting rod is internally hollow and is provided with internal threads, one end of the pair of screw rods is respectively threadedly matched and inserted into the inside of the supporting rod from the two end portions of the supporting rod, and the other end of the pair of screw rods is respectively hinged to the corresponding side mold and top mold.
3. The easy-to-install core form of claim 1, wherein, The side mold and the top mold are both provided with vertical ribs which increase the strength of the molds relative to the outer side of the component to be constructed.
4. The easy-to-install core form of claim 1, wherein, The side mold and the top mold are hinged through a hinge.
5. The easy-to-install and easy-to-remove core form of claim 1, wherein, The closely arranged end face of the pair of top molds is provided with matched inclined surfaces.
6. The easy-to-install and easy-to-remove core form of claim 1, wherein, The side mold is provided with a foam board which is pasted relative to the inner side of the component to be constructed.