FIELD: construction.
SUBSTANCE: invention relates to construction field, namely, to construction 3D printers, in particular to building mixtures extruders, intended for installation on construction 3D printers of volumetric printing of various layout scheme in order to manufacture building structures, including for construction of residential houses, buildings and structures for various purposes, production of parts and elements of buildings, parts of building structures, construction materials and other items of simple and complex geometric shape by additive technology. Technical result is achieved by the fact that extruder of construction mixtures for 3D printer, consisting of a container with a fastening device, which enables to fix the extruder on the actuators of the printer, holes for loading of construction material, nozzles with an outlet for the extrusion of construction material, wherein in the lower part of the reservoir a mixer of construction mixtures is integrated, which enables to control the amount of the construction mixture when forming the printed layer, wherein said extruder comprises mixer arranged in the form of mixing frame with drive to make mixer mix.
EFFECT: high efficiency of the printer, high accuracy of printing and quality of laying of construction mixtures, shorter time for flushing and routine maintenance of equipment.
10 cl, 11 dwg
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Authors
Dates
2020-06-22—Published
2019-08-28—Filed