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Concrete 3D printing head and printing equipment

A concrete and print head technology, applied in ceramic molding machines, manufacturing tools, additive processing, etc., can solve the problems of uneven discharge and poor cutting, and achieve smooth cutting, prevent clogging, and enhance fluidity. Effect

Inactive Publication Date: 2021-04-20
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a concrete 3D printing head and printing equipment, and solve the problems of uneven discharge caused by poor feeding of the printing equipment at a low speed in the prior art.

Method used

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  • Concrete 3D printing head and printing equipment
  • Concrete 3D printing head and printing equipment
  • Concrete 3D printing head and printing equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 , figure 2 As shown, the embodiment of the present invention provides a concrete 3D printing head, including a bracket 10 and a hopper 5 installed on the bracket 10, a screw pump 7 located at the lower end of the hopper 5 and communicating with the hopper 5, and a screw pump 7 located at the lower end of the screw pump 7 and connected to the hopper. The printing nozzle 14 connected by the screw pump 7; the servo motor 1 is arranged above the support 10; the stirring rod 15 is arranged in the hopper 5; the stirring rod 15 is fixedly connected with a plurality of rotating blades 16; the output shaft of the stirring rod 15 and the servo motor 1 transmission connection; the outer surface of the hopper 5 is equipped with a vibrating motor 6; the cavity of the screw pump 7 is provided with a screw shaft 18, and the stirring rod 15 is connected to the screw shaft 18 through a universal coupling 17; the screw shaft 18 can enter The mortar in the cavity of the...

Embodiment 2

[0038] Such as image 3 As shown, the present invention also provides a concrete 3D printing device, including a robotic arm, a pumping machine 23 and the concrete 3D printing head in Embodiment 1. The concrete 3D printing head is installed on the mechanical arm 21; the pumping machine 22 The discharge port communicates with the hopper 5 .

[0039] The workflow of the concrete 3D printing equipment provided in this embodiment is as follows:

[0040]First, the print head is installed on the mechanical arm 21 . Start the pumping machine 22, and the pumping machine 22 injects the printing mortar into the hopper 5 through the feeding pipe 9. When the material level sensor detects that the mud reaches a certain height, the pumping is stopped. When printing starts, the vibration motor 6 and the servo motor 6 are turned on. The motor 1 and the mechanical arm 21 drive the entire printing head to move. The servo motor 1 drives the stirring rod 15 to rotate, so that the rotating blad...

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Abstract

The invention discloses a concrete 3D printing head and printing equipment. The concrete 3D printing head comprises a support, a hopper installed on the support, a screw pump located at the lower end of the hopper and in communication with the hopper, and a printing nozzle located at the lower end of the screw pump and in communication with the screw pump, wherein, a servo motor is arranged above the support; a stirring rod is arranged in the hopper; a plurality of rotating blades are fixedly connected to the stirring rod; the stirring rod is in transmission connection with an output shaft of the servo motor; a vibration motor is installed on the outer side surface of the hopper; and a screw shaft is arranged in an inner cavity of the screw pump, and the stirring rod is in transmission connection with the screw shaft through a universal coupling. The concrete 3D printing equipment comprises a mechanical arm, a pumping machine and the concrete 3D printing head, and the concrete 3D printing head is installed on the mechanical arm; and a discharge port of the pumping machine is in communication with the hopper. The concrete 3D printing equipment is simple in structure, and printing mortar can be continuously and uniformly extruded under various speed working conditions.

Description

technical field [0001] The invention relates to a concrete 3D printing head and printing equipment, belonging to the field of building construction. Background technique [0002] The main principle of the current concrete 3D printing equipment is to convert the data files in the computer into printing path data, and the computer controls the movement of the concrete printing extrusion head according to the path data, and then controls the progress of concrete printing. [0003] In order to ensure that the material has good formability after extrusion, printing mortar with low fluidity is often used, but too low fluidity will easily lead to poor feeding, and at the same time, the print head is easy to block during the printing process, resulting in uneven printing path width. Uniformity reduces the performance of the printed component. [0004] At the same time, for small-scale or slender components, the circumference of a single-turn printing is small, but the single-turn t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B1/00B33Y30/00
Inventor 袁烽詹强刘岗陆明张立名
Owner TONGJI UNIV