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Material disconnecting detection device, 3D printer and material disconnecting detection method

A 3D printer and detection device technology, applied in the field of 3D printing, can solve the problems of complex structure, low detection accuracy of material breaking detection device, poor pulse signal stability, etc., achieve good structural stability, improve detection accuracy and reliability , the effect of simple structure

Pending Publication Date: 2021-11-12
SHENZHEN CREALITY 3D TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing material breaking detection device needs the disc cam to press the micro switch intermittently, and the structure is relatively complicated
Moreover, the generated pulse signal has poor stability, resulting in low detection accuracy of the material breaking detection device

Method used

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  • Material disconnecting detection device, 3D printer and material disconnecting detection method
  • Material disconnecting detection device, 3D printer and material disconnecting detection method
  • Material disconnecting detection device, 3D printer and material disconnecting detection method

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Embodiment Construction

[0047] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only the parts related to the present invention are shown in the drawings but not all of them.

[0048] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection;...

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Abstract

The invention relates to the technical field of 3D printing, and discloses a material disconnecting detection device, a 3D printer and a material disconnecting detection method. The material disconnecting detection device comprises a rotating piece, a magnetic block and a sensor assembly. Due to the fact that the rotating pieces abut against corresponding consumables, friction force between the consumables and the rotating pieces drives the rotating pieces to rotate, the rotating pieces are provided with magnetic blocks, the magnetic blocks and the corresponding rotating pieces rotate synchronously, so that the magnetic blocks can be periodically close to or away from the sensor assembly, the magnetic induction intensity of the magnetic blocks at the position of the sensor assembly is periodically changed, the sensor assembly can sense the change of the magnetic field intensity and output corresponding voltage signals, namely, the voltage signals are voltage signals generated by actual feeding of the corresponding consumables. and the rotating pieces and the magnetic blocks do not mechanically collide with the sensor assembly, so that the structural stability of the material disconnecting detection device is good, the sensor assembly can output stable waveform signals, and the detection accuracy and reliability of the material disconnecting detection device are improved.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a material breaking detection device, a 3D printer and a material breaking detection method. Background technique [0002] In the process of applying FDM hot-melt technology for 3D printing, 3D printers often have abnormal situations such as material breakage and material blocking, which lead to the scrapping of the printed model due to lack of material or printing failure. [0003] For this reason, most of the 3D printers are equipped with a material breaking detection device, which generally includes a micro switch, a driven wheel and a disc cam mechanism. When 3D printing is performed, the consumables drive the passive wheel to rotate, and the passive wheel is linked with the disc cam, so that the disc cam presses the micro switch intermittently to output a square wave pulse signal. When the print head is clogged or the printing consumables are used up, the pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/321B29C64/386B33Y40/00B33Y50/00G01N27/00
CPCB29C64/321B29C64/386B33Y40/00B33Y50/00G01N27/00
Inventor 唐京科敖丹军吕胜员
Owner SHENZHEN CREALITY 3D TECH CO LTD
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