SWITCHING DEVICE AND 3D PRINTING APPARATUS

WIPO Patent Application WO/2024/012287

A1

A switching device and a 3D printing apparatus, the switching device comprising a frame (630), an extrusion assembly (200), a pushing component (100) and a driving component (300). The extrusion assembly (200) is connected to the frame (630), and the extrusion assembly (200) comprises a driving roller (210), and a first pressing roller (220) and a second pressing roller (230) located circumferentially outside the driving roller (210). Conveying channels (240) used for allowing the passage of consumables are formed between the driving roller (210) and the first pressing roller (220) and between the driving roller (210) and the second pressing roller (230). The driving component (300) and the pushing component (100) are both connected to the frame (630). The pushing component (100) comprises a pushing part (120), and the pushing part (120) is configured to, under the drive of the driving component (300), push a target consumable to move relative to the driving roller (210) to a preset position corresponding to the target consumable, so as to limit the movement of the target consumable. The switching device allows a consumable corresponding to one nozzle to be transported while a consumable corresponding to another nozzle is not disturbed, thereby increasing printing efficiency.

TANG JINGKE (CN)
WU DAJIANG (CN)
GONG BO (CN)

PCT/CN2023/105141

January 18, 2024

June 30, 2023

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SHENZHEN CREALITY 3D TECH CO LTD (CN)

B29C64/321; B29C64/20; B33Y30/00

WO2021022624A1

2021-02-11

CN115214137A	2022-10-21
CN106003727A	2016-10-12
CN109774126A	2019-05-21
CN112757637A	2021-05-07
CN216832255U	2022-06-28
US20190084228A1	2019-03-21

ADVANCE CHINA IP LAW OFFICE (CN)

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