CN214111103U

CN214111103U - Flexible mold for surface pattern and molding of GRC material product

Info

Publication number: CN214111103U
Application number: CN202023059246.6U
Authority: CN
Inventors: 沈炜; 王东辉; 朱静波
Original assignee: Nanjing Amoeba Engineering Structure Optimization Research Institute Co ltd
Current assignee: Nanjing Amoeba Engineering Structure Optimization Research Institute Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-03
Anticipated expiration: 2030-12-18

Abstract

The utility model provides a be used for GRC material goods surface pattern and figurative flexible mold, include: the forming module is in a shell shape, is hollow inside and is internally provided with a limiting groove; the support module is of a ribbed plate structure and comprises a support trunk and ribs; the ribs of the support module correspond to the limiting grooves of the forming module, and the support module is embedded into the forming module; the utility model adopts flexible material TPU as the main material of the mould, and GRC material is poured at the molding side of the molding module in the using process; the supporting module is assembled on the non-molding side of the molding module before pouring to play a supporting role, and the GRC material can be detached after solidification. The utility model has the advantages of convenient form removal, light use, repeated use, wide applicable scenes and the like, and can be used for manufacturing the required moulds of building surface patterns and various building structures.

Description

Flexible mold for surface pattern and molding of GRC material product

Technical Field

The utility model relates to a flexible mold technical field especially relates to a be used for GRC material goods surface pattern and figurative flexible mold.

Background

Glass Fiber Reinforced Cement (GRC) is a composite material formed with Glass fibers as a reinforcing material and Cement as a matrix. The application requirements of the modern building outer wall are met by the characteristics of light weight, high strength, outstanding decorative effect, easiness in constructing a special-shaped structure and the like. GRC has very strong plasticity, which gives architectural designers a wider free creation space and provides a feasible way for creative architectural design, so that various shapes can be molded according to the architectural design requirement; the groove, the broken line change or various curve models can be selected at will in the building design; the decorative board can be used for decoration of classical style buildings and can also be used for enclosure of modern style buildings. In addition, GRCs are also used in landscape design in large quantities to build various exotic decorations and landscapes with different shapes, such as fountains, flowerpots, resting chairs, rockeries, and the like.

The traditional GRC mould forming needs the following steps: 1. the production of the model (physical modeling) generally needs the traditional production method as follows: manual engraving, CNC machining and the like; 2. brushing a release agent on the surface of the sample mold; 3. and pouring the mixed resin on a sample mold, and waiting for the resin to cool. The mould structure complexity of traditional manufacturing method is limited, and mould preparation cycle is long in process of production, seriously influences the time limit for a project, and traditional resin GRC mould is the fragility, fragile in the drawing of patterns in-process, and reusability is poor.

3D printing, one of the rapid prototyping technologies, is a technology for constructing an object by printing layer by layer using an adhesive material such as plastic or powdered metal based on a digital model file. In actual production activities, as long as a required model is designed according to a use scene, rapid forming can be realized through 3D printing.

TPU (thermoplastic polyurethanes) is named as thermoplastic polyurethane elastomer rubber, is widely used as a 3D printing material at present, has excellent characteristics of high tension, high tensile force, toughness and aging resistance, and is a mature environment-friendly high polymer material. At present, TPU is widely applied to the aspects of medical sanitation, electronic and electric appliances, industry, sports and the like, and has the characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like which are incomparable with other plastic materials.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for GRC material goods surface pattern and figurative flexible mold for solve traditional GRC mould manufacturing cycle length, it is with high costs, the structure complexity is limited, the poor technical problem of reusability.

In order to achieve the above object, the utility model provides a following technical scheme: a flexible mould for surface pattern and modeling of GRC material products comprises a pouring frame, a molding module and a supporting module, wherein the molding module is in a shell shape, is hollow inside and is provided with a limiting groove inside;

the supporting module is of a rib plate structure and comprises a supporting trunk and ribs;

the ribs of the supporting module correspond to the limiting grooves of the forming module, and the supporting module is embedded into the forming module;

the molding module is arranged inside the pouring frame and is movably connected with the pouring frame.

Furthermore, a plurality of limiting grooves are formed in the inner side surface of the forming module, ribs of the supporting module are of a sheet structure and are arranged on the inner side surface and the outer side surface of the supporting trunk, and the ribs on the inner side surface and the ribs on the outer side surface are kept flush; the height of the ribs is equal to the height of the support stem.

Furthermore, the thickness of the forming module is 3-6mm, and the height of the forming module is 20 mm.

Furthermore, the shape of the molding module and the supporting module is the capital English letter A.

Furthermore, the molding module and the supporting module are made of thermoplastic polyurethane elastomer rubber.

The utility model has the advantages that:

1. the utility model discloses possess higher resilience, easily equipment and dismantlement can repetitious usage greatly reduced prefab singlepiece cost.

2. The utility model can customize patterns or modeling individually, so that the patterns and modeling on the surface of the poured GRC material have higher diversity; through the 3D printing technology with required mould one-time printing shaping, in addition reasonable support and devices such as the pull ring of easily dismantling, the job site need not tedious manual labor, has simplified the construction procedure, has improved the operating efficiency, has practiced thrift construction cost.

Drawings

Fig. 1 is a schematic structural view of the molding module provided in embodiment 1 before assembly with the support module.

FIG. 2 is a schematic view of the structure of the molding block and the supporting block provided in example 1 after they are assembled

Fig. 3 is a schematic front view of the molding block provided in example 1.

Fig. 4 is a schematic view of the back of the molding block provided in example 1.

Fig. 5 is a schematic front view of the support module provided in embodiment 1.

Fig. 6 is a schematic structural view of the flexible mold provided in example 1.

Description of reference numerals:

in the figure, 1-molding module, 2-supporting module, 3-supporting main stem, 4-rib, 5-spacing groove and 6-pouring frame.

Detailed Description

In order to better understand the utility model, the following is to the utility model through the embodiment, the embodiment is only used to explain the utility model, can not be right the utility model constitutes any restriction: the details of the present invention are well known to those skilled in the art.

Example 1

Referring to fig. 1-6, this embodiment 1 provides a flexible mold for surface patterning and shaping of GRC material product, which includes a casting frame 6, a molding module 1 and a supporting module 2, wherein the molding module 1 and the supporting module 2 are both made by 3D printing technology using thermoplastic polyurethane elastomer rubber (TPU material).

The molding module 1 is in a shell shape, the interior of the molding module is hollow, and a plurality of limiting grooves 5 are arranged on the inner side surface of the molding module; support module 2 is rib plate structure, and support module 2 is including supporting backbone 3 and rib 4, and rib 4 is sheet structure, and rib 4 sets up at the medial surface and the lateral surface that support backbone 3 to rib 4 of medial surface and the rib 4 of lateral surface keep the parallel and level.

The rib 4 of the supporting module 2 corresponds to the limiting groove 5 of the molding module 1, the supporting module 2 is embedded into the molding module 1 to form a whole, the shape can be kept unchanged during pouring, the supporting module 2 is taken down after the pouring material is solidified, the pressure between the molding module 1 and the pouring model is relieved, and quick demolding is realized.

The forming module 1 is arranged inside the pouring frame 6, and the forming module 1 is movably connected with the pouring frame 6.

Specifically, the molding module 1 and the supporting module 2 have various shapes, and in actual production practice, firstly, a 3D model of a required pattern and a required shape is obtained from a cement-based product application scene, and the shapes of the molding module 1 and the supporting module 2 are designed by means of three-dimensional design software, in the embodiment, the molding module 1 and the supporting module 2 are in the shape of a capital letter a, and the specific shape refers to fig. 1 to 6.

More specifically, in the embodiment, the thickness of the forming module 1 is 3-6mm, the height is 20mm, and a pull ring is arranged at the opening position; the support module 2 has a thickness of 6mm and a height of 17 mm.

In summary, in the flexible mold for surface patterns and shapes of GRC material products provided by this embodiment, the flexible material, such as thermoplastic polyurethane elastomer rubber, is used as the main material, and the characteristic that the flexible material can generate large elastic deformation is utilized in the mold removing process, so that the mold removing operation can be completed without damaging the mold forming surface; in order to increase the strength of the mold and the quick disassembly of the mold, a molding module 1 and a supporting module 2 are designed, and the supporting module 2 can be embedded into the molding module 1 to increase the structural strength.

Example 2

The embodiment provides a preparation method of a flexible mold for surface pattern and modeling of a GRC material product, which comprises the following steps:

step 1, acquiring a 3D model of a required pattern and a required shape from a cement-based product application scene;

and 2, designing a specific shape of the forming module by means of three-dimensional design software and the acquired 3D model, wherein the forming module is of a shell structure, a limiting groove is formed in the forming module, the specific shape is set according to the requirements of an actual application scene and can be a capital English letter A, a capital English letter B, a capital English letter C or the like.

And 3, designing the specific shape of the support module according to the specific shape of the forming module, wherein the forming module is a rib plate structure and can be embedded into the forming module to play a supporting role, and specifically, the ribs of the forming module can be embedded into the limiting grooves of the forming module.

And 4, manufacturing a molding module and a supporting module by adopting 3D printing, wherein the material is TPU material.

And 5, assembling the formed forming module and the supporting module.

And 6, placing the assembled molding module and the assembled supporting module into a prepared pouring frame for pouring.

And 7, pouring a GRC material.

Step 8, taking out the GRC pouring material from the pouring frame after the GRC pouring material is solidified

And 9, firstly taking out the support module, then forming a pull ring on the module, taking out the forming module, and finally obtaining the GRC model.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. A flexible mould for surface pattern and modeling of GRC material products comprises a pouring frame and a molding module, and is characterized by also comprising a supporting module, wherein the molding module is in a shell shape, is hollow inside and is internally provided with a limiting groove;

2. A flexible mold for surface patterning and shaping of GRC material articles as claimed in claim 1 wherein a plurality of retaining grooves are provided on the inside lateral surface of the shaping module, the ribs of the support module are of sheet-like configuration, the ribs are provided on the inside and outside lateral surfaces of the support backbone, and the ribs of the inside and outside lateral surfaces are flush; the height of the ribs is equal to the height of the support stem.

3. A flexible mold for surface patterning and shaping an article of GRC material according to claim 1 wherein the shaping module has a thickness of 3-6mm and a height of 20 mm.

4. A flexible mold for patterning and shaping the surface of an article of GRC material as claimed in claim 1 wherein said shaping and support modules are in the shape of the capital letter a.

5. A flexible mold for patterning and shaping the surface of an article of GRC material as claimed in any one of claims 1 to 4, wherein said shaping and support modules are comprised of thermoplastic polyurethane elastomer rubber.