A 3D printed construction enclosure and a manufacturing method thereof

Abstract

The present invention discloses a 3D printing construction fence and a manufacturing method thereof. The construction fence comprises a fence body (1), one side of the fence body (1) is provided with at least two sockets (2), and the other side is provided with at least two plugs (3), the position and size of the plugs (3) and the sockets (2) are adapted, and a plurality of construction fences are connected in series to form a wall by plugging the plugs (3) and the sockets (2) in sequence, the top edge of the fence body (1) is fixedly connected to a lamp (5), a pipeline hole (6) is provided in the fence body (1), and the power line of the lamp (5) is passed through the pipeline hole (6), and the fence body (1), the socket (2), the plug (3) and the pipeline hole (6) are printed layer by layer by a 3D printer to form a one-time molding. The manufacturing method of the construction fence comprises the steps of drawing a three-dimensional figure on a 3D printer, preparing 3D printing materials, 3D printing molding, and maintenance. The present invention can be widely used in the field of building construction supplies.

Description

Technical Field

[0001] The present invention relates to a building construction product, and in particular to a 3D printed construction fence; in addition, the present invention also relates to a manufacturing method of the 3D printed construction fence. Background Art

[0002] At present, the construction fences of construction sites are mainly composed of materials such as metal, plastic or masonry. The construction fences made of these materials have disadvantages such as high professional requirements for the production process, high customization costs, long processing cycles and high maintenance costs. In addition, the process of producing construction fences using these materials is subtractive manufacturing, which inevitably results in waste of raw materials.

[0003] 3D printing technology, also known as additive manufacturing, has been widely used in many fields such as aerospace and mechanical manufacturing due to its high-efficiency, unique and intelligent design and processing characteristics that are not available in subtractive manufacturing and equal-material manufacturing. In recent years, 3D printing technology has gradually exerted its technical advantages of efficient and intelligent construction in the field of intelligent building manufacturing, and new building products are constantly produced through 3D printing technology. Especially for some small buildings and products with personalized needs, 3D printing technology has a very broad application prospect. However, 3D printing technology has not yet been widely used in durable construction enclosures. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a 3D printed construction enclosure which is low in cost, maintenance-free, high in production efficiency, and saves raw materials.

[0005] In addition, the present invention also provides a method for manufacturing a 3D printed construction enclosure.

[0006] The technical solution adopted by the 3D printed construction fence of the present invention is: the 3D printed construction fence of the present invention includes a fence body, one side of the fence body is provided with at least two sockets, and the other side is provided with at least two plugs, the plugs are adapted to the position and size of the sockets, and multiple construction fences are connected in series to form a wall after being plugged into the sockets in sequence by the plugs, the top edge of the fence body is fixedly connected to the lamp, and a pipeline hole is provided in the fence body, and the power cord of the lamp is passed through the pipeline hole, and the fence body, the socket, the plug and the pipeline hole are formed at one time by printing layer by layer by a 3D printer.

[0007] The pipeline hole includes a transverse hole, which passes transversely from the end face of one of the plugs to the insertion hole opposite to it, so that after multiple construction fences are connected, the transverse holes in each construction fence are connected.

[0008] The pipeline hole also includes a vertical hole, which vertically penetrates from the position where the top edge of the enclosure body is connected to the lamp to communicate with the transverse hole.

[0009] A barrier leg is provided at the bottom of the enclosure body, and the barrier leg, the enclosure body, the jack, the plug and the pipeline hole are formed at one time by printing layer by layer through a 3D printer.

[0010] The 3D printing materials used in the construction enclosure include cementitious materials, fine aggregates, and engineering waste soil.

[0011] The cementitious material is one or more of ordinary silicate cement, white silicate cement, sulphoaluminate cement and magnesium cement.

[0012] The particle size of the fine aggregate is ≤0.6 mm, and the moisture content of the fine aggregate is 25-35%.

[0013] The water content of the engineering waste soil is 75-85%.

[0014] The technical solution adopted by the manufacturing method of the 3D printing construction fence of the present invention is: the 3D printing construction fence includes a fence body, one side of the fence body is provided with at least two sockets, and the other side is provided with at least two plugs, the plugs are adapted to the position and size of the sockets, and a plurality of the construction fences are connected in series to form a wall through the plugs and the sockets in sequence, the top edge of the fence body is fixedly connected to the lamp, a pipeline hole is provided in the fence body, and the power cord of the lamp is passed through the pipeline hole, and the fence body, the socket, the plug and the pipeline hole are printed layer by layer by a 3D printer to form a one-time molding; the manufacturing method of the 3D printing construction fence of the present invention comprises the following steps:

[0015] (1) drawing a three-dimensional graphic of the construction enclosure on a 3D printer;

[0016] (2) Preparing 3D printing materials;

[0017] (3) According to the three-dimensional figure, using the prepared 3D printing material, 3D printing the construction enclosure through a 3D printer;

[0018] (4) Maintaining the construction fence formed by 3D printing.

[0019] The compressive strength of the enclosure body, the socket, and the plug are all above 20 MPa.

[0020] The bending strength of the enclosure body, the socket and the plug are all above 5 MPa.

[0021] The pipeline hole includes a transverse hole, which passes transversely from the end face of one of the plugs to the insertion hole opposite to it, so that after multiple construction fences are connected, the transverse holes in each construction fence are connected.

[0022] The pipeline hole also includes a vertical hole, which vertically penetrates from the position where the top edge of the enclosure body is connected to the lamp to communicate with the transverse hole.

[0023] A barrier leg is provided at the bottom of the enclosure body, and the barrier leg, the enclosure body, the jack, the plug and the pipeline hole are formed at one time by printing layer by layer through a 3D printer.

[0024] The 3D printing materials used in the construction enclosure include cementitious materials, fine aggregates, and engineering waste soil.

[0025] The cementitious material is one or more of ordinary silicate cement, white silicate cement, sulphoaluminate cement and magnesium cement.

[0026] The particle size of the fine aggregate is ≤0.6 mm, and the moisture content of the fine aggregate is 25-35%.

[0027] The water content of the engineering waste soil is 75-85%.

[0028] The beneficial effects of the present invention are as follows: since the 3D printed construction fence of the present invention comprises a fence body, one side of the fence body is provided with at least two sockets, and the other side is provided with at least two plugs, the plugs are adapted to the positions and sizes of the sockets, a plurality of the construction fences are connected in series to form a wall through the plugs and the sockets in sequence, the top edge of the fence body is fixedly connected to the lamp, a pipeline hole is provided in the fence body, the power cord of the lamp is passed through the pipeline hole, and the fence body, the socket, the plug and the pipeline hole are formed once by printing layer by layer by a 3D printer; The invention overcomes the defects and shortcomings of the prior art, adopts 3D printing technology to manufacture construction fences, and quickly prints and forms construction fences including lamps and pipelines at one time. Since the 3D printing materials used are cost-effective and do not require maintenance, and the surface of the printed construction fence is easy to handle and beautify, the processing and maintenance costs of customized construction fences in the prior art are effectively reduced, and the technical problem of waste of raw materials in the processing process of the prior art is solved, which has very obvious economic benefits. Therefore, the 3D printed construction fence of the present invention has low cost, is maintenance-free, has high production efficiency, and saves raw materials.

[0029] The manufacturing method of the 3D printing construction fence of the present invention is used to manufacture the construction fence, which also has the above advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 3D printing is a schematic diagram of the longitudinal section structure of the construction enclosure according to an embodiment of the present invention;

[0031] Figure 2 This is a schematic diagram of the longitudinal section structure of the 3D printed construction enclosure after assembly and connection according to an embodiment of the present invention. DETAILED DESCRIPTION

[0032] like Figure 1 , Figure 2 As shown, the 3D printing construction fence of this embodiment includes a fence body 1, one side of the fence body 1 is provided with two sockets 2, and the other side is provided with two plugs 3, the plugs 3 are adapted to the position and size of the sockets 2, and a plurality of the construction fences are connected in series to form a wall through the plugs 3 and the sockets 2 in sequence, the top edge of the fence body 1 is fixedly connected to the lamp 5, the fence body 1 is provided with a pipeline hole 6, the power cord of the lamp 5 is passed through the pipeline hole 6, and the bottom of the fence body 1 is provided with a blocking leg 4, which is convenient for insertion into the foundation during construction, and the blocking leg 4 is connected to the The enclosure body 1, the socket 2, the plug 3 and the pipeline hole 6 are formed together by printing layer by layer through a 3D printer; specifically, the pipeline hole 6 includes a transverse hole 7 and a vertical hole 8, and the transverse hole 7 is horizontally penetrated from the end face of one of the plugs 3 to the socket 2 opposite to it, so that after a plurality of the construction enclosures are connected, the transverse holes 7 in each of the construction enclosures are connected, and the vertical hole 8 is vertically penetrated from the position where the top edge of the enclosure body 1 is connected to the lamp 5 to the transverse hole 7 for connection, so as to facilitate the hidden series wiring of the power cord of the lamp 5.

[0033] The 3D printing materials used in the construction fence include cementitious materials, fine aggregates, and engineering spoil. The cementitious material is one or more of ordinary Portland cement, white Portland cement, sulphoaluminate cement, and magnesium cement. The particle size of the fine aggregate is ≤0.6mm, the moisture content of the fine aggregate is 25-35%, and the moisture content of the engineering spoil is 75-85%.

[0034] This embodiment makes full use of the advantages of high compressive strength and rapid setting and early strength of ordinary Portland cement, white Portland cement, sulphoaluminate cement and magnesium cement by using 3D printing technology, and has the advantages of fast molding, low manufacturing cost and no waste of raw materials in the molding process, and also makes the shape of the construction fence more beautiful. In addition, it is also possible to design and print construction fences with more complex structures according to the use requirements, and there is no danger of noise pollution and high temperature in the production process of the construction fence. The surface treatment of the construction fence that has not been finally set after printing can also be performed, which is very conducive to the customized processing of construction fences with different use requirements.

[0035] The manufacturing method of the 3D printed construction enclosure of this embodiment includes the following steps:

[0036] (1) drawing a three-dimensional graphic of the construction enclosure on a 3D printer;

[0037] (2) preparing 3D printing materials. Specifically, according to the requirements that the 28d compressive strength is greater than 20MPa and the 28d flexural strength is greater than 5MPa, prepare the 3D printing materials (by weight) of 5 parts of white silicate cement, 10 parts of sulphoaluminate cement, 100 parts of magnesium cement, 120 parts of engineering spoil, and 60 parts of sand;

[0038] (3) According to the three-dimensional figure, the prepared 3D printing material is used to 3D print the construction fence through a 3D printer, wherein the nozzle diameter of the 3D printer is selected according to the size of the construction fence. In this embodiment, the nozzle diameter is 30 mm, the initial setting time and the final setting time of the 3D printer are set to 140 min and 150 min respectively, the fluidity is 90 mm, and the entire printing is completed within 100 min;

[0039] (4) Natural indoor air maintenance of the 3D printed construction enclosure.

[0040] After adopting the manufacturing method of this embodiment, the structural strength of each part reaches the following technical indicators: the compressive strength of the enclosure body 1, the socket 2, and the plug 3 are all above 20MPa, and the bending strength of the enclosure body 1, the socket 2, and the plug 3 are all above 5MPa. The specific data obtained through the test are: the 3d and 28d compressive strengths of the plug 3, the socket 2 and the barrier leg 4 are 18.3MPa and 35.2MPa respectively, and the 3d and 28d compressive strengths of the enclosure body 1 are 11.7MPa and 28.4MPa respectively; the 3d and 28d three-point bending strengths of the plug 3, the socket 2 and the barrier leg 4 are 5.6MPa and 11.4MPa respectively, and the 3d and 28d three-point bending strengths of the enclosure body 1 are 3.8MPa and 8.2MPa respectively.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the scope of protection of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

[0042] The present invention overcomes the defects and shortcomings of the prior art, adopts 3D printing technology to manufacture construction fences, and quickly prints and forms construction fences including lamps and pipelines at one time. Since the 3D printing materials used are cost-effective and do not require maintenance, and the surface of the construction fence after printing is easy to handle and beautify, the processing and maintenance costs of customized construction fences in the prior art are effectively reduced, and the technical problem of waste of raw materials in the processing process of the prior art is solved, which has very obvious economic benefits. Therefore, the 3D printed construction fence of the present invention has low cost, is maintenance-free, has high production efficiency, and saves raw materials. The manufacturing method of the 3D printed construction fence of the present invention is used to manufacture the construction fence, which also has the above advantages.

[0043] The invention can be widely applied to the field of building construction supplies.

Claims

1. A 3D printed construction enclosure, characterized by: The invention comprises an enclosure body (1), one side of the enclosure body (1) is provided with at least two sockets (2), and the other side is provided with at least two plugs (3), the plugs (3) are adapted to the position and size of the sockets (2), a plurality of construction enclosures are connected in series to form a wall by sequentially plugging the plugs (3) into the sockets (2), the top edge of the enclosure body (1) is fixedly connected to a lamp (5), a pipeline hole (6) is provided in the enclosure body (1), and the power cord of the lamp (5) is passed through the pipeline hole (6). 6), the enclosure body (1), the jack (2), the plug (3) and the pipeline hole (6) are formed in one step by printing layer by layer through a 3D printer; the 3D printing material used for the construction enclosure includes cementitious material, fine aggregate and engineering waste soil; the cementitious material is one or more of ordinary silicate cement, white silicate cement, sulphoaluminate cement and magnesium cement; the particle size of the fine aggregate is ≤0.6mm, and the water content of the fine aggregate is 25-35%; the water content of the engineering waste soil is 75-85%.

2. The 3D printing construction enclosure according to claim 1, characterized in that: The pipeline hole (6) includes a transverse hole (7), and the transverse hole (7) is horizontally penetrated from the end face of one of the plugs (3) to the plug hole (2) located opposite thereto, so that after a plurality of the construction enclosures are connected, the transverse holes (7) in each of the construction enclosures are connected.

3. The 3D printing construction enclosure according to claim 2, characterized in that: The pipeline hole (6) further comprises a vertical hole (8), and the vertical hole (8) vertically penetrates from the position where the top edge of the enclosure body (1) is connected to the lamp (5) to communicate with the transverse hole (7).

4. The 3D printing construction enclosure according to claim 1, characterized in that: A barrier leg (4) is provided at the bottom of the enclosure body (1); the barrier leg (4) is formed together with the enclosure body (1), the plug hole (2), the plug (3) and the pipeline hole (6) by printing layer by layer using a 3D printer.

5. A method for manufacturing a 3D printed construction enclosure according to any one of claims 1 to 4, characterized in that: The following steps are involved: (1) drawing a three-dimensional graphic of the construction enclosure on a 3D printer; (2) Preparing 3D printing materials; (3) According to the three-dimensional figure, using the prepared 3D printing material, 3D printing the construction enclosure through a 3D printer; (4) Maintaining the construction fence formed by 3D printing.

6. The method for manufacturing a 3D printed construction enclosure according to claim 5, characterized in that: The compressive strength of the enclosure body (1), the socket (2) and the plug (3) are all above 20 MPa.

7. The method for manufacturing a 3D printed construction enclosure according to claim 5, characterized in that: The bending strength of the enclosure body (1), the plug hole (2) and the plug (3) are all above 5 MPa.

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