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3D printing concrete printing support device and printing support method
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A 3D printing and supporting device technology, applied in the field of 3D printing, can solve the problems that low-strength concrete supporting materials are not easy to reuse and difficult to remove, and achieve the effects of improving printing stability, easy dismantling, and low price
Active Publication Date: 2022-05-31
SHANGHAI CONSTR BUILDING MATERIALS TECH GRP CO LTD +1
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Problems solved by technology
However, most of the supporting materials used for 3D printing concrete are directly replaced by 3D printing concrete materials with lower strength. not easy to reuse
Method used
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Embodiment 1
[0037] This embodiment provides a 3D printing concrete printing support device, including a controller, an automatic feeder, a motor 1, a sand feeding port 2, an upper limiter 3, a lower limiter 4, a sand storage bin 5, a screw 6, and a sand fixer. Bag cloth piece 7 , cloth piece transmission part 8 , splicing part 9 , sand-fixing bag transmission part 10 , leak-proof part 11 , cutting part 12 , sealing part 13 , paste-attaching part 14 and sand-fixing bag 15 .
[0038] The automatic feeding machine adds sand from the sand feeding port 2 to the sand storage bin 5. The automatic feeding machine is connected with the controller, and the controller controls the start and stop of the feeding. The sand filling port 2 is fixedly installed on the top or the upper side of the sand storage bin 5; the upper limiter 3 is installed on the side inner wall of the sand storage bin 5, located on the upper part of the sand storage bin 5, and is connected with the controller to detect the sand s...
Embodiment 2
[0051] This embodiment provides a 3D printing concrete printing support method, which includes the following steps:
[0052] S1, 3D printing work preparation stage. The leak-proof part 11 is in the closed state, the automatic feeder adds sand from the sand feeding port 2, and the sand enters the sand storage bin 5. When the sand level rises to the upper limiter 3, the upper limiter 3 transmits a signal to the controller to control the The device sends a command to the automatic feeding machine, and the feeding stops;
[0053] S2, 3D printing work started. The printing nozzle starts to print and prints to the path that needs to be supported. The printing nozzle stops extruding concrete and moves out of the current printing position. The controller controls the printing support device to move to the current printing position, and starts laying the solid sand bag 15;
[0054] S3 , filling the sand-fixing bag 15 . The cloth piece transmission part 8 transmits the sand-fixing ba...
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Abstract
The invention discloses a 3D printing concrete printing support device and a printing support method. The 3D printing concrete printing support device includes a controller, an automatic feeding machine, a motor, a sand filling port, an upper limiter, a lower limiter, and a sand storage Bin, screw, sand-fixing bag cloth, cloth transmission parts, spliced parts, sand-fixing bag transmission parts, leak-proof parts, cutting parts, sealing parts, slurry parts and sand-fixing bags. The 3D printing concrete printing supporting device of the present invention can plan the supporting structure according to the printing path. The laying process of the sand-fixing bag is similar to the printing process, and the laying path of the supporting structure can be planned while planning the printing path. The supporting material of the invention is a sand bag, which is convenient for post-processing, and the sand can be reused to save resources. The invention can be used as a support when 3D printing concrete prints suspended or protruding structures, thereby improving the adaptability of 3D printing concrete technology to printing models, and satisfying the printing work of structures with higher complexity.
Description
technical field [0001] The invention relates to the technical field of 3D printing, in particular to a 3D printing concrete printing support device and a printing support method. Background technique [0002] In recent years, 3D printing concrete technology has developed rapidly, and it has great advantages in printing special-shaped components and realizing design concepts. 3D printing concrete technology is a construction technology that uses concrete to build a solid layer by layer according to a designed three-dimensional path. 3D printing concrete technology relies on the hydration of concrete itself to produce hardening, thereby realizing the layer-by-layer accumulation process. The hardening process of concrete takes a certain amount of time. Generally, when printing the upper layer material, there will be a lower layer material as a support, but when printing a suspended or protruding structure, the upper layer structure needs to be supported by the lower layer befo...
Claims
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Application Information
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