Abstract of  CN203580139 (U)

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The utility model discloses a 3D (Three-Dimensional) printer adjustable in printing head angle. The 3D printer comprises a mechanical assembly, a movable control device, a model workbench and a printing head arranged on the model workbench, wherein a support assembly is fixedly arranged on the mechanical assembly, the support assembly is provided with a rotating arm, the printing head is locked to the front end of the rotating arm, the rear end of the rotating arm is hinged to the support assembly, a motor frame is arranged on the support assembly, a servo motor is arranged on the motor frame, the rotating shaft of the servo motor is connected with the rear end of the rotating arm, and the servo motor is controlled by a numerical control device. The rotating shaft of the servo motor of the 3D printer is connected with the rear end of the rotating arm, the printing head is locked to the front end of the rotating arm, and the rotation angle of the rotating arm is accurately controlled through the numerical control device so that the angle of the printing head can be controlled, and therefore, during printing, the angle of the printing head can be adjusted according to the requirements of the printing products to complete secondary printing of the molded products, and the construction space of the 3D printer is greatly increased and the functions of the 3D printer are enhanced.