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An extrusion 3D printing concrete extrusion system

A 3D printing and concrete technology, which is applied in the direction of ceramic forming machines, manufacturing tools, supply devices, etc., can solve the problems that the equipment is difficult to meet, and achieve the effect of processing and forming, less void ratio, and dense extrusion

Active Publication Date: 2022-04-01
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of practical engineering application, more attention is paid to the fact that cement-based materials can be printed with high quality under the premise of meeting the printability. Existing equipment is difficult to meet the above requirements

Method used

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  • An extrusion 3D printing concrete extrusion system
  • An extrusion 3D printing concrete extrusion system
  • An extrusion 3D printing concrete extrusion system

Examples

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Embodiment 1

[0033] In an exemplary embodiment of the present invention, an extrusion 3D printing concrete extrusion system is provided. In this embodiment, the size of the continuous and uninterrupted uniform printing model object is: 50 cm in length, 6 cm in width, and 12 mm in height.

[0034]The extrusion 3D printing concrete extrusion system in this embodiment includes a feed pipe 1, an extrusion bin 2, a protective cylinder 3, a discharge pipe 4, a motor 5, a motor support plate 6, a material retaining plate 7, a feed pipe 8, Extruder 9, extruder rod fixing pipe 10, extruder rod 11 and Z-shaped transmission rod 12; protective cylinder 3 is the protective structure of the extrusion 3D printing concrete extrusion system and the support structure connected to the printer. Under the unified control of the extrusion system, the printing and molding of the extrusion extrusion system is realized; the feed pipe 1 is sealed and connected to the extrusion bin 2, the left and right ends of the ...

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Abstract

The invention discloses a squeeze-type 3D printing concrete extrusion system, which relates to the technical field of 3D printing machinery and equipment; it includes a horizontally arranged extrusion bin, a feed pipe is connected to the top of the middle part of the extrusion bin, and a squeezer is movable in the feed bin. The extruder has an arc groove on one side of the extruder, and the center line of the arc groove coincides with the horizontal center line of the extrusion bin; the two ends of the extruder are respectively fixedly connected with an extruder rod, and the extruder rod The ends far away from the extruder are respectively installed in the fixed tube of the extruder rod, and the ends of the fixed tube of the extruder rod away from the extruder rod are fixedly arranged on the inner walls of both ends of the extruder; The two ends of the conveying pipe of the type structure are connected, and the bottom of the conveying pipe is connected with the discharge pipe; a motor is installed on one side of the extrusion bin, and the output shaft of the motor is connected with a Z-shaped transmission rod, and the end of the Z-shaped transmission rod is slid to set in an arc inside the groove. The invention utilizes the reciprocating motion of the extruder to realize uniform and stable extrusion of printable materials.

Description

technical field [0001] The invention relates to the technical field of 3D printing machinery and equipment, in particular to an extrusion 3D printing concrete extrusion system. Background technique [0002] As a new construction technology, concrete 3D printing technology has become the trend of the times leading technological innovation in the field of construction. Currently, the 3D printer extrusion system uses a screw shaft to extrude concrete materials. The design of the extrusion system largely determines the material discharge method and the performance of the material and structure. Using the extrusion method of the spiral stirring shaft, there are many bubbles and voids inside the material, and it is difficult to effectively solve the problem of printing quality. [0003] The patent with the publication number CN208133209U proposes a concrete 3D printing extrusion head, which mainly includes a motor, a fixed cover, a feeding pipe, a spiral stirring shaft, a nozzle,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B1/00B28B13/02B28B17/00B33Y30/00
CPCB28B1/001B28B13/0215B28B17/00B33Y30/00
Inventor 马国伟王里
Owner HEBEI UNIV OF TECH
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