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WO2018122390A1 - Mécanisme d'alimentation en filaments pour une tête d'imprimante 3d - Google Patents

Mécanisme d'alimentation en filaments pour une tête d'imprimante 3d Download PDF

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Publication number
WO2018122390A1
WO2018122390A1 PCT/EP2017/084847 EP2017084847W WO2018122390A1 WO 2018122390 A1 WO2018122390 A1 WO 2018122390A1 EP 2017084847 W EP2017084847 W EP 2017084847W WO 2018122390 A1 WO2018122390 A1 WO 2018122390A1
Authority
WO
WIPO (PCT)
Prior art keywords
rocker arm
pushrod
filament
mechanism according
nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2017/084847
Other languages
English (en)
Other versions
WO2018122390A4 (fr
Inventor
Dong-Mei QUAN
Robert KLACZYNSKI
Krzysztof URBAN
Mateusz PIOTRZKOWSKI
Rafał TOMASIAK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zortrax SA Poland
Original Assignee
Zortrax SA Poland
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zortrax SA Poland filed Critical Zortrax SA Poland
Publication of WO2018122390A1 publication Critical patent/WO2018122390A1/fr
Publication of WO2018122390A4 publication Critical patent/WO2018122390A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/209—Heads; Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/227—Driving means
    • B29C64/241—Driving means for rotary motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • B29C64/336—Feeding of two or more materials

Definitions

  • the object of this invention is a filament feeding mechanism for a 3D printer head.
  • Invention is applicable to printing heads of 3D printers adopted to supply at least two different filaments in a sequence.
  • 3D printers In fused deposition modelling technology called 3D printing different types of utilities and prototypes, are made out of plastic filament. 3D printers uses single or multiple head mechanism which provides to obtain complex shapes and apply materials with different properties. Depending on project, the filament feeding system changes type of extruded material and/or printing nozzle without interrupting printing.
  • Document PL226634B1 discloses a method and filament feeding system attached to 3D printer.
  • the feeding system comprises a lever connected to the shaft of a centrally located servomotor. Switching between different types of the filament is effected by a lever movement and pressing filament by a pinch roller to the motor wheel. Rotation of the motor wheel pushes the filament into the nozzle of a single printer head.
  • Document CN205631393U discloses a lifting system of dual head extrusion mechanism of a 3D printer.
  • the lifting system comprises frame with center drive gear of servomotor fixed in the bottom of the frame and tooth belts connected to the gear and a printing head. As a consequence of changing rotation of a servomotor, lifting of the printing heads is provided.
  • Document US9469071 B2 discloses a filament feeding system adapted to single or multiple head 3D printer.
  • the feeding system according to US ⁇ 92 comprises centrally located servomotor connected with a drive gear. Switching between different types of filament is effected by changing rotation of the servomotor and meshing gears connected to the fixed printer head.
  • Document CN105538730A discloses a method and a filament changing system for 3D printing.
  • the changing system comprises two separate gears mechanisms connected to the single servomotor. By changing rotation of the servomotor, lifting of the printing heads and filament feeding is affected.
  • Document CN205097553U discloses a printing heads changing mechanism of dual head 3D printer.
  • the mechanism comprises a bracing arm connected with servomotor fixed on the symmetry axis and fixed printing nozzles in V-arrangement on the both ends. Rotation of the servomotor provides positioning one of the printing nozzles in perpendicular to the printing surface.
  • Document CN103465633B discloses a filament switching system for dual head extrusion 3D printer.
  • the system comprises the motor shaft tripod meshing with gears connected to filament feeding system. Changing one of the position, left, right or idle of the motor shaft provides switching between filament feeding systems of printing nozzles.
  • the gist of the invention is a filament feeding mechanism for a 3D printer head for selectively feeding filaments, comprising a motor wheel for feeding filaments, and a set of pinch rollers mounted on a rocker arm.
  • Mechanism according to the invention is characterised in that it further comprises a pushrod connected to the rocker arm, and the rocker arm is pivotably mounted with the axis of rotation and adopted to rotate by lateral motion of the pushrod to press one of the pinch rollers to the respective filament.
  • the mechanism according to the invention is characterized in that the rocker arm has a leading wheel and pushrod has an opening guiding the leading wheel of the rocker arm to rotate the rocker arm by lateral motion of the pushrod.
  • the mechanism according to the invention is characterized in that the rocker arm is adopted to be actuating by the tooth wheel arrangement.
  • the mechanism according to the invention is characterized in that the rocker arm comprises an U-type groove for a motor wheel, and pinch rollers are mounted on both sides of motor wheel on the U- type groove arms.
  • the mechanism according to the invention is characterized in that the rocker arm comprises an oval opening for a motor wheel and filament guiding channels creating a pinching volume where filaments are pressed to the motor wheel by the pinch rollers.
  • the mechanism according to the invention is characterized in that at least one pinch roller is spring loaded.
  • the mechanism according to the invention is characterized in that the pushrod is provided with pressing element for lowering the printing nozzle arrangement when the respective filament is fed to the nozzle.
  • the mechanism according to the invention is characterized in that the nozzle arrangement is further provided with a rest spring for lifting the nozzle arrangement when nozzle is not fed with the filament.
  • the mechanism according to the invention is characterized in that the rocker arm is a modular assembly.
  • the present invention solves the problem of switching filaments fed to a printing head of a 3D printer with a compact and elegant solution.
  • Providing such effective mechanism allows to increase a speed of printing, reduce a risk of affecting already placed layers of filament.
  • Further mechanism according to the invention is compact in size and therefore it can increase the working area of the 3D printer and is cheap in manufacturing.
  • Fig. 1 shows the first embodiment of the printing head mechanism according to the invention
  • Fig. 2 shows the second embodiment of the printing head mechanism according to the invention
  • Fig. 3 shows section view of the second embodiment of the invention from Fig. 2.
  • Fig.4 shows the third embodiment of the printing head mechanism according to the invention.
  • Fig. 5 shows the forth embodiment of the printing head mechanism according to the invention
  • Fig. 6 shows section view of the fifth embodiment of the printing head mechanism according to the invention.
  • Fig. 1 shows the first embodiment of a printing head mechanism according to the invention.
  • the printing head mechanism comprises substantially a motor wheel 1 for feeding filaments, a pinch roller 2, a pinch roller 3, a rocker arm 4, a rocker arm's axis 5 forum a leading wheel 7, a leading wheel's pin 6, a pushrod 8 and a pushrod lever 9.
  • the motor wheel 1 is preferably a bi-directional servomotor.
  • the rocker arm 4 is pivotably mounted with the axis of rotation 5.
  • the rocker arm 4 has a U-type groove arms in the upper-middle part, where the motor wheel 1 is located. On the both sides of the groove of the rocker arm 4, are mounted symmetrically the pinch roller 2 and the pinch roller 3.
  • the bottom part of the rocker arm 4 is connected to the pushrod 8, through the leading wheel's pin 6 and the pushrod 8 and is able to do side-to-side movements.
  • the printing head mechanism comprises moreover two hotend radiator adapters 11 A, 11 B connecting the bottom of the filament guiding tubes with respective hotend 12 ended with a nozzle 14 and a hotend 13 ended with a nozzle 15.
  • the hotend 13 is movable, while the hotend 12 is stationary.
  • a rest spring 16 is fixed between the hotend radiator adapter 11 B and the hotend 13.
  • the pushrod 8 via pushrod lever 9 pushes down hotend radiator adapter 11 B to activate the nozzle 15.
  • the pushrod 8 moves to the left. It results in the clockwise rotational movement of the rocker arm 4 and the pinch roller 2 movement from the left side to the right side.
  • the pushrod lever 9 stops pressing the hotend radiator adapter 11 B and the rest spring 16 causes the hotend13 and the nozzle 15 to move upward.
  • the nozzle 15 is above the level of the nozzle 14.
  • the pushrod 8 moves to the right side, resulting in counter - clockwise rotational movement of the rocker arm 4 and the pinch roller 3 movement from the right side to the left side.
  • the material switching mechanism comprises a rocker arm 4 with oval openings and a pushrod 8 with a pushrod lever 9.
  • the rocker arm 4 is mounted to a mechanism block 17 on a rocker arm's axis 5 and the bottom part of the rocker arm 4 is connected to the pushrod 8 through a leading wheel's pin 6 and a leading wheel 7.
  • a pinch roller 2 and a pinch roller 3 in this embodiment of the invention are mounted on both sides of the oval opening of the rocker arm 4 and a motor wheel 1 is arranged in the oval opening between them.
  • the pushrod bearings 10 in this embodiment of the invention rotates freely enabling therefore the pushrod 8, to do side-to-side movements.
  • the pushrod 8 moves to the right side resulting in counter-clockwise rotational movement of the rocker arm 4 and the pinch roller 3 movement from the right to the left side.
  • the pushrod 8 movement to the right further causes that the pushrod 9 starts pushing the hotend radiator adapter 11 B and the hotend 13 ended with nozzle 15 moving downward.
  • the nozzle 15 is below the level of the nozzle 13 and the pinch roller 3 together with the rotating motor wheel 1 are pushing the filament directly into the filament guiding tube causing extrusion of the filament through the nozzle 15.
  • the pushrod 8 moves to the left, resulting in the clockwise rotational movement of the rocker arm 4 and pinch roller 2 movement from the left to the right side.
  • the pushrod lever 9 stops pressing the hotend radiator adapter 11 B and the rest spring 16 fixed to the hotend mounting block 18 causes the hotend 13 and the nozzle 15 to move upward.
  • Fig. 3 shows section view of second embodiment of the invention from Fig. 2.;in particular details of the pushrod 8.
  • the pushrod 8 is placed between a set of pushrod bearings 10.
  • the pushrod bearings 10 are grouped in two pairs however a different placement resulting in a stable positioning of the pushrod 8 can be applied. With four pushrod bearings applied, the pushrod 8 is firmly positioned laterally. Such arrangement provides a directional stability and yet introduce a low friction to the lateral motion. In that respect grease media is applied.
  • the pushrod 8 is provided with a guiding opening for holding a leading wheel 7.
  • the shape of the opening provides side-to-side movement of the leading wheel 7 and respective rotation of the rocker arm 4.
  • Fig. 4 shows third embodiment of the invention where the pinch roller 2 is spring loaded.
  • the pinch roller 2, and the pinch roller 3 are mounted to the rocker arm 4 symmetrically on both sides of the motor wheel opening.
  • the pinch roller 2 is mounted on one end of a pinch roller arm 20.
  • the pinch roller arm 20 is pivotably mounted to the construction of the rocker arm 4.
  • a loading spring 19 is provided, which is connected to the rocker arm 4 with its other end.
  • Figure 5 shows the forth embodiment of the present invention where the pushrod 8 is adopted to be actuating by the tooth wheel arrangement 22, 23.
  • the pushrod 8 can be actuated by any suitable actuation means that generates lateral motion of the pushrod 8.
  • the tooth wheel arrangement 22, 23 is applied as it has a better control properties over other means as linear electromagnetic motor, hydraulic or pneumatic systems.
  • the pushrod 8 is firmly positioned laterally by a set of pushrod bearings 10 as described in relation to figure 3.
  • the tooth wheel arrangement 22,23 comprises a toothed wheel or gear 22 and notched linear path or gear rack 23 provided on the upper edge of the pushrod 8. Rotation of the toothed wheel 22 in clockwise direction on fig. 5, translates into linear motion of the pushrod 8 to the left of fig. 5. A counter-clockwise rotation of toothed wheel 22 translates into linear motion of the pushrod 8 to the right of fig. 5.
  • the tooth wheel 22 can be powered by any suitable motor for example a an electric servomotor that provides full control over the translation, speed, momentum or acceleration of the pushrod 8. Such means greatly improves keeping a control over the print head mechanism.
  • FIG. 6 shows the fifth embodiment of the invention where the rocker arm has a modular construction.
  • the rocker arm comprising two major parts: main part of the rocker arm 4A as in the previous embodiments and additional upper part 4B containing short filament tunnels leading the filament to both sides of the motor wheel 1.
  • the rocker's arm upper part 4B is placed above the rocker arm's axis 5.
  • Below the rocker arm's axis 5 and above the rocker arm 4A there is provided a filament guiding block 26 containing filament channels 24 and 25 fixed to the mechanism block 17.
  • Rocker arm 4A and rocker arm's upper part 4B are connected with each other by any suitable means as threaded bolts or adhesive.
  • a connection made between the parts of the rocker arm A, 4B fixes the position of the respective part with others and has a required mechanical strength appropriate to transmit the loads that can be expected in the mechanically moving assembly of this type.
  • rocker arm facilitates manufacturing process of rocker arm and assembling process of the mechanism according to the invention.
  • the rocker arm's upper part 4B can be made using conventional milling techniques instead of directional drilling or 3d printing using plastic or metal powder than can be used in a cased a rocker arm made of one solid object.
  • Assembly process of the mechanism according to the invention is much facilitated by introduction of modular design of the rocker arm. Mounting pinching rollers 2, 3 is much easier when main parts of the rocker arm 4A and 4B can be joined after placing respective pinch rollers 2, 3 in place.
  • a modular construction of this embodiment facilitates and makes much easier an introduction of more sophisticated mechanism within the rocker arm, as for example a spring loading mechanism used for regulation of the pressure applied by pinching rollers to the filament as described above in relation to one of the preferred embodiments.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Toys (AREA)

Abstract

L'invention concerne un mécanisme d'alimentation en filaments pour une tête d'imprimante 3D pour alimenter sélectivement en filaments, comprenant une roue motrice (1) pour alimenter en filaments et un ensemble de rouleaux pinceurs (2, 3) montés sur un culbuteur (4). Il comprend également une tige poussoir (8) reliée au culbuteur (4), le culbuteur (4) étant monté pivotant avec l'axe de rotation (5) et adapté pour tourner par un mouvement latéral de la tige poussoir (8) pour presser l'un des rouleaux pinceurs (2, 3) sur le filament respectif.
PCT/EP2017/084847 2016-12-30 2017-12-29 Mécanisme d'alimentation en filaments pour une tête d'imprimante 3d Ceased WO2018122390A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201621473729.1U CN206297147U (zh) 2016-12-30 2016-12-30 一种换料机构
CN201621473729.1 2016-12-30

Publications (2)

Publication Number Publication Date
WO2018122390A1 true WO2018122390A1 (fr) 2018-07-05
WO2018122390A4 WO2018122390A4 (fr) 2018-09-20

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Country Status (2)

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CN (1) CN206297147U (fr)
WO (1) WO2018122390A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021253791A1 (fr) * 2020-06-15 2021-12-23 深圳市创想三维科技有限公司 Dispositif de rechargement automatique pour imprimante 3d, et procédé de rechargement automatique
WO2022010411A1 (fr) 2020-07-09 2022-01-13 Ememo Solutions Ab Appareil d'imagerie tridimensionnelle comprenant de multiples buses passives pour la modélisation d'un objet tridimensionnel à multiples matériaux
RU2776864C1 (ru) * 2021-11-17 2022-07-28 Общество с ограниченной ответственностью "АТМ АКРОНЕКС" Двойной экструдер с механизмом переключения активной печатающей головки 3D-принтера с возможностью электронной регулировки усилия прижима нити
US11413807B2 (en) * 2018-09-14 2022-08-16 Makerbot Industries, Llc Extruder height toggling
CN115214137A (zh) * 2022-07-13 2022-10-21 深圳市创想三维科技股份有限公司 切换装置及3d打印设备
EP4177043A4 (fr) * 2020-12-30 2024-02-28 Shenzhen Anycubic Technology Co., Ltd. Ensemble de commutation de tête d'impression et imprimante
EP3908450B1 (fr) * 2019-01-09 2024-03-13 AM Design e.U. Unité d'outillage
CN118810027A (zh) * 2024-09-12 2024-10-22 台州旭臻智能科技有限公司 一种双色模型3d打印机的进料装置
WO2025214205A1 (fr) * 2024-04-10 2025-10-16 惠州市创想三维科技有限公司 Ensemble de coupe pour imprimante 3d, mécanisme d'extrusion et imprimante 3d

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112519204A (zh) * 2019-09-17 2021-03-19 三纬国际立体列印科技股份有限公司 喷嘴可电动升降的3d打印头

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2003954A2 (fr) * 2006-04-03 2008-12-24 Stratasys, Inc. Tête d'extrudeuse multiligne monomoteur
EP2772347A1 (fr) * 2013-02-27 2014-09-03 CEL Technology Limited Ensemble tête d'impression pour une imprimante 3D
CN103465633B (zh) 2013-09-17 2015-06-24 长春市明威科技有限公司 单电机双喷头3d打印机喷头机构
CN105291436A (zh) * 2015-11-18 2016-02-03 青岛尤尼科技有限公司 一种3d打印机的双丝打印头及其切换控制方法
CN205097553U (zh) 2015-10-23 2016-03-23 郭皓 防止刮擦干扰的双挤出头装置
CN105538730A (zh) 2016-03-03 2016-05-04 深圳市蓝谷维奇科技有限公司 一种3d打印机彩色挤出系统自动交换装置
CN106003727A (zh) * 2016-06-28 2016-10-12 杭州铭展网络科技有限公司 双针头挤出控制装置
CN205631393U (zh) 2016-03-21 2016-10-12 陈天润 一种可抬升的3d打印双喷头挤出系统
US9469071B2 (en) 2013-08-01 2016-10-18 Douglass Innovations, Inc. Fused filament fabrication system and method
PL226634B1 (pl) 2015-06-08 2017-08-31 Zortrax Spółka Z Ograniczoną Odpowiedzialnością Ekstruder drukarki 3D

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2003954A2 (fr) * 2006-04-03 2008-12-24 Stratasys, Inc. Tête d'extrudeuse multiligne monomoteur
EP2772347A1 (fr) * 2013-02-27 2014-09-03 CEL Technology Limited Ensemble tête d'impression pour une imprimante 3D
US9469071B2 (en) 2013-08-01 2016-10-18 Douglass Innovations, Inc. Fused filament fabrication system and method
CN103465633B (zh) 2013-09-17 2015-06-24 长春市明威科技有限公司 单电机双喷头3d打印机喷头机构
PL226634B1 (pl) 2015-06-08 2017-08-31 Zortrax Spółka Z Ograniczoną Odpowiedzialnością Ekstruder drukarki 3D
CN205097553U (zh) 2015-10-23 2016-03-23 郭皓 防止刮擦干扰的双挤出头装置
CN105291436A (zh) * 2015-11-18 2016-02-03 青岛尤尼科技有限公司 一种3d打印机的双丝打印头及其切换控制方法
CN105538730A (zh) 2016-03-03 2016-05-04 深圳市蓝谷维奇科技有限公司 一种3d打印机彩色挤出系统自动交换装置
CN205631393U (zh) 2016-03-21 2016-10-12 陈天润 一种可抬升的3d打印双喷头挤出系统
CN106003727A (zh) * 2016-06-28 2016-10-12 杭州铭展网络科技有限公司 双针头挤出控制装置

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11413807B2 (en) * 2018-09-14 2022-08-16 Makerbot Industries, Llc Extruder height toggling
EP3908450B1 (fr) * 2019-01-09 2024-03-13 AM Design e.U. Unité d'outillage
WO2021253791A1 (fr) * 2020-06-15 2021-12-23 深圳市创想三维科技有限公司 Dispositif de rechargement automatique pour imprimante 3d, et procédé de rechargement automatique
WO2022010411A1 (fr) 2020-07-09 2022-01-13 Ememo Solutions Ab Appareil d'imagerie tridimensionnelle comprenant de multiples buses passives pour la modélisation d'un objet tridimensionnel à multiples matériaux
EP4177043A4 (fr) * 2020-12-30 2024-02-28 Shenzhen Anycubic Technology Co., Ltd. Ensemble de commutation de tête d'impression et imprimante
RU2776864C1 (ru) * 2021-11-17 2022-07-28 Общество с ограниченной ответственностью "АТМ АКРОНЕКС" Двойной экструдер с механизмом переключения активной печатающей головки 3D-принтера с возможностью электронной регулировки усилия прижима нити
CN115214137A (zh) * 2022-07-13 2022-10-21 深圳市创想三维科技股份有限公司 切换装置及3d打印设备
CN115214137B (zh) * 2022-07-13 2023-08-01 深圳市创想三维科技股份有限公司 切换装置及3d打印设备
US12358220B2 (en) 2022-07-13 2025-07-15 Shenzhen Creality 3D Technology Co., Ltd. Switching device and 3D printing apparatus
WO2025214205A1 (fr) * 2024-04-10 2025-10-16 惠州市创想三维科技有限公司 Ensemble de coupe pour imprimante 3d, mécanisme d'extrusion et imprimante 3d
CN118810027A (zh) * 2024-09-12 2024-10-22 台州旭臻智能科技有限公司 一种双色模型3d打印机的进料装置

Also Published As

Publication number Publication date
WO2018122390A4 (fr) 2018-09-20
CN206297147U (zh) 2017-07-04

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