The present application relates to the field of 3D printing, and in particular to a print head apparatus and a 3D printer. The print head apparatus comprises: a nozzle assembly; and a heating assembly, which is externally connected to the nozzle assembly and is connected to a power supply apparatus, wherein the nozzle assembly is configured to convey and extrude filaments in a first direction, and the heating assembly is configured to heat the nozzle assembly by means of electromagnetic induction under the action of the power supply apparatus, or to heat the nozzle assembly by means of electromagnetic induction and self-heating, such that the filaments extruded from the nozzle assembly are molten filaments. The present application effectively improves the heating efficiency, and effectively shortens the preheating time, and the present application can heat filaments flowing through a nozzle assembly into molten filaments more quickly, thereby improving the 3D printing efficiency, and reducing the energy consumption.
The present application discloses a leveling method and system having a wiping function. The method comprises: initializing leveling data; controlling a printing platform to move so as to trigger two limiting members arranged opposite to each other at the bottom, and on the basis of a deviation value in rotation step counts between two Z-axes when the two limiting members are triggered by the printing platform, determining a compensation value required for leveling; controlling a print head assembly to move to a wiping position for purging and wiping; moving the printing platform towards the print head assembly to a leveling position; and performing dual Z-axis alignment and leveling for the printing platform on the basis of the determined compensation value, and resetting the print head assembly to an initial position after completing wiping.
B29C 64/20 - Appareil pour la fabrication additiveDétails ou accessoires à cet effet
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
A gas separation and combination apparatus for laser processing, a laser processing device, and a gas separation and combination method. The gas separation and combination apparatus (100) comprises a gas generation module (10), a gas combination module (30), a control module (20), and a laser assembly (40). The gas generation module (10) comprises a gas separation assembly (11) and a plurality of gas storage units (12), and the gas separation assembly (11) is configured to acquire a gas raw material, and separate the gas raw material into different gases to be stored in the plurality of gas storage units (12), respectively. The gas combination module (30) is connected to the plurality of gas storage units (12) and is configured to acquire corresponding gases from the plurality of gas storage units (12), or, according to predetermined ratio, acquire the gases from the plurality of gas storage units (12) and mix the gases. The control module (20) is communicatively connected to the gas combination module (30), and controls the operation of the gas combination module (30). The laser assembly (40) is connected to the gas combination module (30), and the gases acquired by the gas combination module (30) are released by means of the laser assembly (40).
B23K 26/142 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet pour l'enlèvement de résidus
B23K 26/14 - Travail par rayon laser, p. ex. soudage, découpage ou perçage en utilisant un écoulement de fluide, p. ex. un jet de gaz, associé au faisceau laserBuses à cet effet
The present application provides a timing belt tensioning mechanism and a 3D printer, for use in tensioning a timing belt on a drive pulley. The timing belt tensioning mechanism comprises a first tensioning assembly. The first tensioning assembly comprises: a mobile kit, the mobile kit comprising a movable pulley and a first driving member connected to the movable pulley, and a timing belt being wound between the drive pulley and the movable pulley; a sensing member, the sensing member being configured to sense the tension of the timing belt; and a main control board, the main control board being used for receiving a signal from the sensing member, and controlling the first driving member to drive the movable pulley to move relative to the drive pulley, so as to adjust the tension of the timing belt.
A residual-material discharge mechanism and a 3D printer, the residual-material discharge mechanism being configured to discharge a residual material in a nozzle mechanism (10). The residual-material discharge mechanism comprises: a cutting mechanism (20), the cutting mechanism (20) comprising a trigger member (21) and a cutting member (22) provided on the nozzle mechanism (10), and the trigger member (21) abutting against the cutting member (22) in a first direction (a), so as to cut off a consumable conveyed by the nozzle mechanism (10) in a second direction (b); a discharging mechanism (30), the discharging mechanism (30) comprising a discharging chute (31), a discharging baffle (32) and a discharging plate (33), the discharging chute (31) comprising a residual-material inlet (311) and a discharging outlet (312), the discharging baffle (32) and the discharging plate (33) being rotatably arranged at the residual-material inlet (311); and a nozzle wiping mechanism (40), which is provided at the residual-material inlet (311), the nozzle mechanism (10) moving on the nozzle wiping mechanism (40) so as to remove a residual material adhered to the nozzle mechanism (10).
Disclosed in the present application are a guide rail sliding seat, a moving module and a 3D printer. The guide rail sliding seat is configured to connect to an X-axis guide rail and slide on a Y-axis transmission shaft, and comprises a housing and a timing belt pulley set, wherein the housing is provided with a first connection portion and a second connection portion, the first connection portion being configured to connect to the X-axis guide rail, and the second connection portion being configured to connect to the Y-axis transmission shaft; and the timing belt pulley set comprises at least a first timing belt pulley and a second timing belt pulley, the first timing belt pulley and the second timing belt pulley being respectively arranged on the upper side and the lower side of the second connection portion in a Z-axis direction. During use of the present application, by means of the provision of the first timing belt pulley and the second timing belt pulley, a timing belt set can be connected to the upper side and the lower side of the second connection portion, such that the timing belt set is vertically distributed and applies an acting force to the upper side and the lower side of a printing spray head, and the printing spray head is more uniformly stressed, thereby improving the moving stability of the printing spray head and improving the printing quality of the 3D printer.
The present application provides a model segmentation method for 3D printing, an electronic device, and a storage medium. The model segmentation method for 3D printing provided in the present application comprises: loading a 3D printing model, and acquiring all triangular facets and all vertex data of a selected area of the 3D printing model; obtaining edges of all the triangular facets on the basis of all the triangular facets and all the vertex data; determining a sub-model set on the basis of the edges of all the triangular facets, wherein the sub-model set comprises a plurality of sub-models, and the sub-models comprise a plurality of triangular facets having topological relationships; and setting a corresponding color for each sub-model, performing slicing on the sub-model set to obtain a contour set, and partitioning the contour set on the basis of the color corresponding to each sub-model to obtain a partitioned contour set.
Provided in the present application are a multicolor printing slicing method, an electronic device and a storage medium. The multicolor printing slicing method provided by the present application comprises: acquiring original data of a 3D printing model, and loading the 3D printing model, the original data comprising a plurality of first triangular faces and first vertex data, and the 3D printing model having a first color; painting at least part of the first triangular faces of the 3D printing model with a second color; on the basis of the first vertex data, the first triangular faces and color data of each of the first triangular faces, generating model data; and slicing the 3D printing model on the basis of a preset height and the model data, so as to obtain contour sets, and dividing the contour sets on the basis of the color data to obtain divided contour sets.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Advertising; advertising on the internet for others;
demonstration of goods; sales promotion for others;
marketing the goods and services of others; provision of an
online marketplace for buyers and sellers of goods and
services; providing information in the field of marketing;
marketing; web indexing for commercial or advertising
purposes; updating and maintenance of data in computer
databases; systemization of information into computer
databases. Custom assembling of materials for others; metal treating;
treatment of cloth; paper treating; engraving of glass;
treatment of materials for the manufacture of ceramic goods;
custom tailoring; digital printing; engraving; custom
manufacture of artificial teeth; processing of plastic
materials; rental of 3D printers; custom 3D printing for
others.
The present application discloses a filament transfer buffer device, including: a frame, including a first filament port and a second filament port; a filament switching module, configured to switch and transfer a filament from the first filament port; and a filament buffer module, configured to make an adjustment according to transfer states of filaments in transfer devices connected to the first filament port and the second filament port, respectively, where the filament buffer module includes a buffer chamber arranged on the frame, the buffer chamber includes a first wall and a second wall that are oppositely arranged, and the second wall is configured to have a greater curvature than the first wall. The filament buffer module plays an adjustment and buffer role in asynchronous transfer between different transfer devices, thereby ensuring stable and synchronous transfer of the filament and further ensuring stability and reliability of 3D printing.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
The present application provides a multi-filament printing control method, a printing system, and a storage medium, the method includes: determining the number of filament boxes connected and detecting a preset signal from each of the filament boxes; acquiring, based on a detection result of the preset signal, preset parameter information of each of filaments in each of the filament boxes; acquiring a printing model file, the printing model file including model information, a printing path, and a filament switching instruction; matching, based on the printing model file and the preset parameter information of each of the filaments, to correspond a first filament and performing a printing operation according to the printing path; and switching, in response to the filament switching instruction, the first filament being printed to a second filament and performing the printing operation using the second filament.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
B29C 64/259 - Enceintes pour le matériau de construction, p. ex. récipients pour poudre interchangeables
The present application provides a feeding and returning device and a 3D printer, the feeding and returning device includes a feeding assembly, including a filament transfer gear set and a feeding gear, the feeding gear is connected to the filament transfer gear set; a returning assembly, including a returning gear and a transmission roller which is connected to the returning gear; and a switching assembly, including a driving device and a switching device which is provided with a switching gear, the driving device is connected to the switching device and the switching gear and configured to selectively arrange the switching gear at a first position and a second position, at the first position, the switching gear is connected to the feeding gear; at the second position, the switching gear is connected to the returning gear, thereby meeting requirements of feeding and returning the filament and improving reliability.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
The present application provides a multi-consumable management method and a cartridge management system. The method comprises: determining and displaying the number of cartridges, and detecting each cartridge; when a preset signal is detected, displaying first preset parameter information of corresponding consumables on the basis of the preset signal; and when no preset signal is detected, on the basis of a first user instruction, displaying second preset parameter information of the corresponding consumables, or displaying the consumables of a corresponding trough as empty.
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B29C 64/307 - Manipulation du matériau destiné à être utilisé en fabrication additive
B33Y 50/02 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B33Y 40/00 - Opérations ou équipements auxiliaires, p. ex. pour la manipulation de matériau
G06K 17/00 - Méthodes ou dispositions pour faire travailler en coopération des équipements couverts par plusieurs des groupes principaux , p. ex. fichiers automatiques de cartes incluant les opérations de transport et de lecture
A drying apparatus, a consumable box, and a 3D printer. The drying apparatus comprises a frame (10), wherein an air inlet (11), an air outlet (12), and a heating chamber (20) are provided in the frame (10), and the heating chamber (20) is communicated with the air inlet (11) and the air outlet (12); a heating assembly (30), wherein the heating assembly (30) is provided in the heating chamber (20); and an air blowing assembly (40), wherein the air blowing assembly (40) is configured to convey gas in the order of the air inlet (11), the heating chamber (20), and the air outlet (12). The frame (10) is further provided with a drying chamber (22), and the drying chamber (22) is configured to load a drying material. A second wall surface (23) is provided between the drying chamber (22) and the heating chamber (20), the air outlet (12) comprises a second air outlet (122) formed in the second wall surface (23), and the drying chamber (22) is communicated with the heating chamber (20) by means of the second air outlet (122).
A consumable switching device and a 3D printer, the consumable switching device comprising a frame (1); a consumable cutting module (3), which is arranged on the frame (1) and is in communication with a feeding port (11) through a first main consumable channel (32), the consumable cutting module (3) being configured to selectively cut the consumable passing through the first main consumable channel (32); and a consumable recycling module (4), which is configured to recycle the residual consumable after cutting by the consumable cutting module (3); the consumable recycling module (4) comprises a first transmission member (41) and a material pushing block (42), the material pushing block (42) being provided with a second main consumable channel (421) for connecting to the first main consumable channel (32), and the material pushing block (42) being configured to be driven by the first transmission member (41) to move between a first position (B) and a second position (C).
Provided in the present application are a hub, a consumable storage device and a 3D printer. The hub comprises a shell, wherein the shell is provided with at least two inlet ports, at least two feeding channels, a main channel and an outlet port, each inlet port being in corresponding communication with one feeding channel, and the main channel being in communication with all the feeding channels and the outlet port; a driving assembly which is arranged on the shell and comprises a feeding driving wheel and a feeding driven wheel arranged opposite the feeding driving wheel, a gap for consumable conveying being provided between the feeding driving wheel and the feeding driven wheel; and a first consumable detection assembly which is configured to acquire consumable conveying information by means of detecting rotation information of the feeding driving wheel or the feeding driven wheel.
The present application provides a drying device, a consumable box, and a 3D printer. The drying device comprises: a frame body, wherein the frame body comprises an air outlet, an air inlet, and a drying chamber, and the drying chamber is communicated with the air outlet and the air inlet; a heating assembly, wherein the heating assembly is configured to be arranged close to the air outlet; and an air blowing assembly, wherein the air blowing assembly is configured to blow out air in the drying chamber through the air outlet. The drying chamber comprises an upper chamber and a lower chamber that are communicated with each other, the upper chamber is provided with a first sidewall that is inclined upward, and a plurality of drying holes are formed on the first sidewall, so that air that is heated by the heating assembly and then rises enters the upper chamber through the drying holes for drying.
Provided in the present application are a material guide device, a consumable conveying apparatus and a 3D printer. The material guide device comprises a material guide assembly, wherein the material guide assembly comprises a material guide tube and a tubular connector, the material guide tube being provided with a consumable channel, and the tubular connector being arranged at the end of the material guide tube; and a flexible feeding assembly, which is movably arranged in the tubular connector, the flexible feeding assembly being configured to be capable of adaptively swinging relative to the tubular connector along with the feeding angle of the consumable, allowing the consumable to be guided out of the consumable channel in a first direction during feeding; the flexible feeding assembly comprises a guide feeding port and a guide feeding tube, the guide feeding port gradually contracting in the inner diameter in the first direction and then being in communication with the guide feeding tube. The feeding port can automatically swing along with the feeding angle of the consumable, thus reducing wear between the material guide device and the consumable, preventing damage to the printing consumable.
A transmission switching structure, a feeding structure, a returning structure, a feeding and returning structure, and a filament box. The transmission switching structure includes: a transmission assembly, including a first driving member connected to the transmission shaft, a transmission shaft, transmission mechanisms, the transmission mechanisms including a first transmission gear swingably connected to the transmission shaft; a switching assembly, including a second driving member, a switching shaft connected to the second driving member, switching members, the switching shaft rotates about a second axis by a preset angle to cause one of the switching members to be in a first state; the switching member in the first state is configured to restrict the first transmission gear of corresponding transmission mechanism to a first position and the first transmission gear limited to the first position is configured to transmit a driving force of the first driving member to a mechanism connected thereto.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
The present application provides a filament storage device, a filament storage box, and a 3D printer, where the filament storage device includes a housing (10), configured to store a filament and provided with a filament outlet; a feeding and returning unit (20), configured to connect the filament and feed the filament from the filament outlet or return the filament along a preset filament transfer path; a filament detection unit, configured to detect a filament breakage on the filament transfer path; and a filament recognition unit (40), including an information module configured to store filament information and a recognition module configured to recognize the information module; and the filament storage device further includes a filament drying unit (50), configured to dry the filament stored in the housing.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
B29C 64/255 - Enceintes pour le matériau de construction, p. ex. récipients pour poudre
The present application discloses a filament transfer buffer device, including: a first frame (1); a filament switching module, configured to switch and transfer a filament from a first filament port (11); and a filament buffer module, including a first filament tube (31) arranged close to the first filament port, a second filament tube (32) slidably connected to the first filament tube, and an elastic connector connected to the second filament tube, where when the filament drives the second filament tube away from the first filament tube, the elastic connector is configured to provide an elastic force to cause the second filament tube to get close to the first filament tube.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
B29C 64/232 - Moyens d’entraînement pour un mouvement le long de l'axe orthogonal au plan d’une couche
The present application provides a filament storage device and a 3D printing system, the filament storage device includes: a housing, configured to store one or more filaments; a transmission switching unit, configured to connect one or more filaments and feed or return a to-be-printed filament among the plurality of filaments; a collection unit, configured to be connected to the transmission switching unit for collecting one or more filaments to enable the transmission switching unit to transfer the to-be-printed filament fed into a main channel of the collection unit; and a filament detection unit, configured to detect a feeding state of the to-be-printed filament and obtain transfer information of the to-be-printed filament.
B29C 64/386 - Acquisition ou traitement de données pour la fabrication additive
B33Y 40/00 - Opérations ou équipements auxiliaires, p. ex. pour la manipulation de matériau
B33Y 50/00 - Acquisition ou traitement de données pour la fabrication additive
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
B29C 64/255 - Enceintes pour le matériau de construction, p. ex. récipients pour poudre
Disclosed in the present application are a consumable switching device and a 3D printer. The consumable switching device comprises: a frame, a feeding port and a discharging port being respectively provided at two ends of the frame; and a consumable cutting module disposed on the frame and in communication with the feeding port by means of a main consumable channel, the consumable cutting module being configured to selectively cut a consumable passing through the main consumable channel, wherein the consumable cutting module comprises a driving member, a rotating base driven by the driving member, and a material cutting member disposed on the rotating base.
The present application provides a motor control method, an electronic device, and a storage medium. The method comprises: receiving a position instruction sent by a superordinate computer, and performing differential processing and external interference compensation on the position instruction to obtain an initial current value used for controlling rotation of a motor; on the basis of the initial current value, calculating an active current reference value used for generating torque and a reactive current reference value used for generating an excitation magnetic field, wherein the active current reference value and the reactive current reference value are standard current values required by the motor to rotate to a target position; acquiring a raw two-phase current of the motor, and calculating a voltage control quantity of the motor on the basis of the raw two-phase current, the active current reference value, and the reactive current reference value; and on the basis of the voltage control quantity, controlling the motor to rotate.
The present application relates to the technical field of 3D printing. Disclosed are an inductance-based leveling apparatus and leveling method for a 3D printer. The 3D printer comprises a hotend module for extrusion molding of consumables, wherein the hotend module has a nozzle. The inductance-based leveling apparatus comprises: a housing, a sensing module provided on the housing, a collection module connected to the sensing module, and a control module connected to the collection module, wherein during the process of following a hotend module to move along a preset leveling path, the sensing module forms an inductance with respect to a metal printing platform; the collection module collects an inductance signal and converts the inductance signal into data information; and the control module acquires the data information and calculates the distance between the sensing module and the metal printing platform on the basis of the data information, so as to obtain leveling data.
Provided in the present application are a heated print bed junction box and a 3D printing apparatus. The heated print bed junction box is connected to a wiring portion of a heated print bed, and in a movement direction of the heated print bed, the wiring portion is arranged on one side of the heated print bed in a protruding manner. The heated print bed junction box comprises a box body and a wire guide member, wherein the box body encloses the outer side of the wiring portion; the wire guide member is connected to the box body, and is provided with a wire guide channel; one end of a wire of the heated print bed is connected to the wiring portion, and the other end of the wire passes out of the wire guide channel; an extension direction of the wire guide channel and the movement direction of the heated print bed are arranged at a first included angle to each other; and at least part of the inner peripheral wall of the wire guide channel abuts against the wire, and is configured to adjust the arrangement direction of the wire, so as to increase a bending angle, relative to the heated print bed, of the end of the wire that passes out of the wire guide channel.
The present application provides an extrusion apparatus and a 3D printing device. The extrusion apparatus comprises a mounting seat, a movable member, an extrusion assembly, and an elastic member; the movable member is rotatably mounted on the mounting seat; the extrusion assembly is configured to extrude and convey a consumable and comprises a first extrusion wheel and a second extrusion wheel; the first extrusion wheel is mounted on the mounting seat, and the second extrusion wheel is mounted on the movable member and is configured to be close to or away from the first extrusion wheel along with the rotation of the movable member; and one end of the elastic member abuts against the mounting seat, and the other end of the elastic member abuts against the movable member so as to apply an elastic force to the movable member, wherein the elastic force is used for enabling the movable member to drive the second extrusion wheel to tightly abut against the first extrusion wheel.
The present application provides a control method for a laser engraving machine, an electronic device and a computer storage medium. A laser engraving machine is provided with a protective cover; the control method comprises: in response to protection detection information, performing at least at a first position closing detection on the protective cover; on the basis of a closing detection result, determining whether the protective cover completely seals at the first position the laser engraving machine; and when it is determined that the protective cover does not completely seal at the first position the laser engraving machine, sending warning information.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Advertising; advertising on the internet for others; demonstration of goods; sales promotion for others; marketing the goods and services of others; provision of an online marketplace for buyers and sellers of goods and services; providing information in the field of marketing; marketing; web indexing for commercial or advertising purposes; updating and maintenance of data in computer databases; systemization of information into computer databases. Custom assembling of materials for others; metal treating; treatment of cloth; paper treating; engraving of glass; treatment of materials for the manufacture of ceramic goods; custom tailoring; digital printing; engraving; custom manufacture of artificial teeth; processing of plastic materials; rental of 3D printers; custom 3D printing for others.
A strain sensor (100), a print head (200), and a 3D printer (300). The strain sensor (100) comprises an elastic connecting member (10) and a detection member (20). The elastic connecting member (10) comprises a connecting portion (11) and a fixing portion (12) spaced apart from each other in the length direction of the elastic connecting member (10); first grooves (13) are inwardly recessed and formed in the width direction of the elastic connecting member (10) in two opposite sides of the middle of the connecting portion (11); and the first grooves (13) are used for enhancing the elastic deformation capability of the connecting portion (11). The detection member (20) is attached to the middle of the surface of a side of the connecting portion (11), and the detection member (20) is used for detecting deformation generated by the elastic connecting member (10). The elastic connecting member (10) is further provided with an amplifying hole (14) between the detection member (20) and the fixing portion (12).
A method for resuming printing from a power failure, a 3D printer (10), and a computer-readable storage medium. The method for resuming printing from a power failure is applied to the 3D printer (10); the 3D printer (10) comprises a nonvolatile storage chip (112); and the nonvolatile storage chip (112) comprises a data block used for storing a cursor position. The method for resuming printing from a power failure comprises: acquiring a printing file to be read; if a reading cursor of the 3D printer (10) moves a preset number of times in the printing file, acquiring the current cursor position of the reading cursor in the printing file; storing the current cursor position in a data block; if the 3D printer (10) is powered on again after being powered off in the midway of printing, searching the nonvolatile storage chip (112) for the cursor position stored most recently before the 3D printer (10) is powered off; and on the basis of the cursor position stored most recently before the 3D printer (10) is powered off, determining the printing resuming starting position of the printing file.
The present application provides a double-spray-head printing head and a 3D printer. The double-spray-head printing head comprises a first spray head assembly, a second spray head assembly, and a switching assembly; the first spray head assembly and the second spray head assembly each comprise a nozzle and a heating piece thermally coupled to the nozzle; the switching assembly is configured to drive the first spray head assembly to move relative to the second spray head assembly in a first direction; and the first spray head assembly and the second spray head assembly each further comprise a heat conduction column arranged between the inner side wall of the heating piece and the outer side wall of the nozzle, and the heating piece surrounds and is fitted over the outer side wall of the heat conduction column, so as to transmit heat generated by the heating piece to the nozzle by means of the heat conduction column.
The present application provides a dual nozzle switching apparatus and a 3D printer. The dual nozzle switching device comprises a driving assembly, a first nozzle assembly and a second nozzle assembly; the driving assembly comprises a driving member, and a moving member connected to the driving member, the first nozzle assembly being connected to a first end of the moving member by means of a sliding assembly; the driving member is configured to drive the moving member to move in a first direction, so as to drive the first nozzle component to move relative to the second nozzle component in a second direction, the first direction being perpendicular to the second direction; the moving member comprises a central gear, and a rack meshing with the central gear, a first side of the rack being provided with a meshing portion, the meshing portion being provided with an outer tooth profile adapted to the central gear, the central gear being driven to rotate by the driving member, so as to cause the rack to move back and forth relative to the driving member in the first direction, thereby realizing switching use of the first nozzle assembly and the second nozzle assembly.
The present application discloses a photocuring 3D printing platform and printing method. The photocuring 3D printing platform comprises: a forming platform; a middle adapter plate, the middle adapter plate being capable of being driven to drive the forming platform to do linear motion in a vertical direction; several leveling mechanisms arranged on the middle adapter plate, each leveling mechanism comprising an inclined surface block, an inclined surface positioning block abutting against a side edge of the inclined surface block, and a guide column block fixed on the middle adapter plate; and several buffer mechanisms elastically supported between the inclined surface positioning blocks and the forming platform, one end of each buffer mechanism abutting against a side edge of the corresponding inclined surface positioning block, and the other end of the buffer mechanism penetrating the middle adapter plate and then being fixedly connected to the forming platform.
The present application provides an extrusion device and a 3D printer. The extrusion device comprises a speed reduction assembly and an extrusion assembly; the speed reduction assembly comprises an output gear and a speed reduction gear set, and the speed reduction gear set is connected to the output gear; the extrusion assembly comprises a first extrusion gear and a second extrusion gear, a gap allowing for conveying of consumables is configured between the first extrusion gear and the second extrusion gear, and the speed reduction assembly is configured to drive the output gear to rotate by means of the speed reduction gear set, so as to extrude the consumables in a first direction. The speed reduction assembly further comprises a reduction box, an annular inner gear ring is arranged on the inner side wall of the reduction box, the speed reduction gear set comprises a sun gear and N planetary gears surrounding and meshed with the sun gear, and the output gear and the N planetary gears are in transmitting connection by means of a planet carrier.
The present application provides a model printing method based on a 3D printing device, an electronic device, and a storage medium. The method comprises: acquiring shape parameters of a model to be printed and, on the basis of the shape parameters, acquiring a contour set of the model to be printed; receiving a separation line characteristic parameter and, on the basis of the separation line characteristic parameter, generating a separation plane of the model to be printed; on the basis of the separation plane and the contour set, dividing the model to be printed into multiple sub-models to be printed; receiving a model printing sequence, and, on the basis of the model printing sequence, sequentially printing the multiple sub-models to be printed.
The present invention relates to a 3D printing system. The 3D printing system comprises the rack, a release film replacement device, a light source assembly and a base assembly. The release film replacement device can replace a used release film. The light source assembly is arranged above the release film replacement device and is connected to the release film replacement device. The light source assembly is used for emitting light. The base assembly is arranged on the side of the release film replacement device away from the light source assembly. The base assembly is connected to the rack, and comprises a material container and a forming platform.
B28B 1/00 - Fabrication d'objets façonnés à partir du matériau
B28B 17/00 - Parties constitutives ou accessoires de l'appareillage à façonner le matériauMesures auxiliaires prises en liaison avec un tel façonnage
B29C 64/124 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective
B29C 64/241 - Moyens d’entraînement pour mouvement rotatif
The present invention relates to a release film replacing device, which comprises a winding assembly and a compression assembly. The winding assembly comprises a first reel and a second reel, wherein the first reel and the second reel are disposed opposite each other and are spaced apart from each other, both the first reel and the second reel are rotatably connected to a frame, the first reel winds up a first end of a release film, and the second reel winds up a second end of the release film. When the second reel is rotated about its own axis in a first direction, the first end of the release film can be unwound and the second end thereof can be wound.
B28B 1/00 - Fabrication d'objets façonnés à partir du matériau
B29C 64/129 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective caractérisés par la source d'énergie à cet effet, p. ex. par irradiation globale combinée avec un masque
B33Y 30/00 - Appareils pour la fabrication additiveLeurs parties constitutives ou accessoires à cet effet
B65H 18/10 - Mécanismes d'enroulage des bandes dans lesquels l'énergie est appliquée à la broche de la bobine
42.
METHOD AND DEVICE FOR GENERATING MODEL, AND COMPUTER STORAGE MEDIUM
A model generation method includes: obtaining sliced text data; obtaining geometric vertex data in accordance with the sliced text data; determining a geometric object in accordance with the geometric vertex data and a preset geometric object parameter; and rendering the geometric object by using a custom material to generate a to-be-printed model. By adopting the method, coordinates of geometric vertexes are extracted from the sliced text data, the geometric object is determined only in accordance with the coordinates of the geometric vertex, and then the geometric object is rendered to generate the model. A computer device and a computer-readable storage medium is also provided.
The present disclosure relates to a switching device and a 3D printing apparatus. The switching device includes a rack, an extrusion assembly, a pushing assembly and a driving assembly. The extrusion assembly is connected to the rack and includes a driving roller and a first pressing wheel and a second pressing wheel located on a circumferential outer side of the driving roller. Transport channels allowing consumables to pass are formed between the driving roller and the first pressing wheel and between the driving roller and the second pressing wheel for passing a consumable. The driving assembly and the pushing assembly are connected to the rack; the pushing assembly includes a pushing portion, and the pushing portion is capable of pushing a target consumable to move relative to driving roller to a preset position corresponding to the target consumable under a drive of the driving assembly, so as to restrict the target consumable from moving.
B29C 64/241 - Moyens d’entraînement pour mouvement rotatif
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
A driving apparatus (100), a transfer apparatus (200), and a 3D printing device (300). The driving apparatus (100) comprises a base (10), driving members (20), adjusting members (30), and locking members (40). The base (10) comprises a top plate (11) and side plates (12) which are connected to each other to form a bent structure; first adjusting holes (111) are formed in the top plate (11); and the length direction of the first adjusting holes (111) is parallel to a driving direction (Q). The driving members (20) each are provided with an output shaft (21); the output shaft (21) passes through the top plate (11) and is configured to be connected to a corresponding pulley (203); and a second adjusting hole (23) is formed in the side of each driving member (20) facing the corresponding side plate (12) in the driving direction (Q). The adjusting members (30) each pass through the corresponding side plate (12) in the driving direction (Q) from the side of the side plate (12) distant from the corresponding driving member (20), and are fitted into the corresponding second adjusting hole (23) to be connected to the driving member (20); and the adjusting members (30) are used for driving the driving members (20) to move relative to the top plate (11) in the driving direction (Q), so as to tension a transmission belt (202). The locking members (40) pass through the first adjusting holes (111) and are used for locking the driving members (20) to the base (10).
The present application provides a laser device testing apparatus and method, a computer storage medium, and an electronic device. The inspection apparatus comprises a temperature measurement assembly and a control module; the temperature measurement assembly comprises a heat conduction element and a thermosensitive element; the thermosensitive element is connected to the heat conduction element, and the thermosensitive element is used for measuring the temperature of the heat conduction element; the heat conduction element is provided with a light passing hole, and when a laser device meets preset assembly quality, a laser beam passes through the light passing hole and is not in contact with the heat conduction element; the control module is connected to the temperature measurement assembly, the control module is used for driving the laser device to emit the laser beam to the temperature measurement assembly and receiving a measured temperature sent by the thermosensitive element, and the control module is further used for performing quality analysis on the laser beam on the basis of the measured temperature and determining assembly quality of the laser device on the basis of a quality analysis result.
G01M 11/00 - Test des appareils optiquesTest des structures ou des ouvrages par des méthodes optiques, non prévu ailleurs
H01S 3/00 - Lasers, c.-à-d. dispositifs utilisant l'émission stimulée de rayonnement électromagnétique dans la gamme de l’infrarouge, du visible ou de l’ultraviolet
G01K 1/16 - Dispositions particulières pour conduire la chaleur de l'objet à l'élément sensible
The present application relates to the field of laser engraving, and in particular to an accessory control method and a related device. The accessory control method is applied to a laser engraving machine. The laser engraving machine is communicationally connected to at least one auxiliary accessory. The auxiliary accessory is used for assisting engraving work of the laser engraving machine. The accessory control method comprises: acquiring a first working state of the laser engraving machine; sending a state monitoring request to the auxiliary accessory, wherein the state monitoring request is used for querying a second working state of the auxiliary accessory; if the second working state is received, obtaining a control request on the basis of the first working state and the second working state, wherein the control request comprises an operation instruction used for instructing the auxiliary accessory to execute a preset operation; and sending the control request to the auxiliary accessory.
The present application relates to the field of 3D printing, aims to solve the problem of the consumables extrusion speed and the extrusion amount precision of known FDM printing devices being unable to meet the requirements for high-speed printing, and provides a cooling assembly, a printing head, and a 3D printing device. The cooling assembly comprises a first cooling portion and a second cooling portion; the first cooling portion comprises a first cooling channel that allows a cooling medium to circulate, and the first cooling channel is thermally coupled with an extrusion motor of the printing head; the second cooling portion comprises a second cooling channel that allows the cooling medium to circulate, and the second cooling portion is thermally coupled with a throat tube of the printing head. The present application can prevent consumables from soften prematurely, ensures accurate and powerful consumables delivery, and meets the requirement of high extrusion speed required for high speed printing, while guaranteeing the accurate control over the extrusion amount of consumables.
B29C 64/118 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant un matériau filamentaire mis en fusion, p. ex. modélisation par dépôt de fil en fusion [FDM]
B29C 64/20 - Appareil pour la fabrication additiveDétails ou accessoires à cet effet
B29C 33/04 - Moules ou noyauxLeurs détails ou accessoires comportant des moyens incorporés de chauffage ou de refroidissement utilisant des liquides, des gaz ou de la vapeur d'eau
The present application relates to the technical field of 3D printing, and discloses a material supply interruption detection apparatus. The material supply interruption detection apparatus comprises: a housing and a detection assembly. The housing is provided with a mounting space and a feeding channel passing through the mounting space, and the feeding channel is used for supplying consumables. The detection assembly comprises a circuit board which is arranged in correspondence to the mounting space and is connected to the housing, a first fixing member which is connected to the circuit board and is close to the feeding channel, a second fixing member which is connected to the circuit board and is far away from the feeding channel, an elastic member which is connected to the second fixing member and has an extension and contraction direction not parallel to the extension direction of the feeding channel, and a conductive member which is connected to the elastic member and is arranged in correspondence to the feeding channel; and a conductive circuit is formed among the circuit board, the first fixing member, the elastic member, the conductive member, and the second fixing member. In this manner, according to the present application, whether the consumables are present in the feeding channel can be determined by means of the closed circuit or the open circuit of the conductive circuit, and the material supply interruption detection apparatus has a compact structure, high space utilization rate and high detection reliability.
Embodiments of the present application provide a nozzle assembly and a 3D printing apparatus applying the same. The nozzle assembly comprises a nozzle part, a heat dissipation part, a first connecting piece, a second connecting piece and a support. The nozzle part comprises a nozzle body and a throat tube which are connected to each other. The heat dissipation part is connected to the nozzle body by means of the throat tube. The first connecting piece and the throat tube are both arranged between the nozzle body and the heat dissipation part. The first connecting piece is connected to the nozzle body and the heat dissipation part. The second connecting piece is connected to the heat dissipation part and the support, so that the heat dissipation part is fixed to the support. The 3D printing apparatus comprises a forming platform, a drive assembly and the nozzle assembly. The drive assembly drives at least one of the forming platform and the nozzle assembly to move relative to the other. The nozzle part is used for spraying consumables on the forming platform.
The present application provides an automatic calibration method for a 3D printing device, a 3D printing device, an electronic device and a storage medium. The method comprises: controlling a first jet to move, so that a nozzle of the first jet is aligned with an optical axis of an imaging apparatus, and then controlling the imaging apparatus to take a first image of a first recognition apparatus; controlling a second jet to move, so that a nozzle of the second jet is aligned with the optical axis of the imaging apparatus, and then controlling the imaging apparatus to take a second image of a second recognition apparatus; on the basis of the first image and a first actual characteristic physical quantity of the first recognition apparatus, calculating a first distance between the first recognition apparatus and the imaging apparatus; on the basis of the second image and a second actual characteristic physical quantity of the second recognition apparatus, calculating a second distance between the second recognition apparatus and the imaging apparatus; on the basis of the first distance and the second distance, calculating a vertical offset of the first jet and the second jet. The present application can automatically calibrate the jets of a 3D printing device with high calibration accuracy, and can save labor costs.
B29C 64/386 - Acquisition ou traitement de données pour la fabrication additive
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B29C 64/112 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des gouttelettes individuelles, p. ex. de buses de jet
B33Y 50/00 - Acquisition ou traitement de données pour la fabrication additive
B33Y 50/02 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
A light source device and a 3D printing apparatus. The light source device includes an optomechanical assembly, a reflector assembly, and a workbench. The optomechanical assembly and the reflector assembly are spaced apart from each other in a first direction, and are located below the workbench. The optomechanical assembly can be rotated in a second direction, the reflector assembly can be rotated in a horizontal third direction, and the reflector assembly is configured to reflect, onto the workbench, a light ray emitted from the optomechanical assembly, wherein the first direction, the second direction and the horizontal third direction are pairwise perpendicular to each other.
A laser cutting method and a laser cutting machine (10), wherein the laser cutting method is applied to the laser cutting machine (10). The method comprises: cutting the current cutting region of a cutting material (14) on the basis of a first cutting parameter; detecting whether the current cutting region is cut through; if the current cutting region is not cut through, adjusting the first cutting parameter, so as to obtain a second cutting parameter; and if there is a next cutting region in the cutting material (14), cutting the next cutting region of the cutting material (14) on the basis of the second cutting parameter.
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
Synthetic rubber; plastic substances, semi-processed;
plastic fibers, other than for textile use; acrylic resins,
semi-processed; plastic filaments for 3D printing; carbon
fibers, other than for textile use; semi-processed ABS
plastic fibers for 3D printing; flexible hoses, not of
metal; soundproofing materials; waterproof packings.
Disclosed in the present application are a rotating disk device and a curing machine. The rotating disk device comprises a mounting plate, a bearing plate, an active rotating disk, and a driving member. The bearing plate is rotatably mounted on one side of the mounting plate and in a detachable manner, and the bearing plate is provided with a first magnetic member. The active rotating disk is arranged on the other side of the mounting plate, and a second magnetic member, which is arranged corresponding to the first magnetic member, is arranged on the active rotating disk. The driving member is connected to the mounting plate and cooperates with the active rotating disk, and the driving member is used for driving the active rotating disk to rotate.
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
(1) Synthetic rubber; semi-finished acrylic molded plastic substances; plastic fibers, other than for textile use; semi-processed acrylic resins; plastic filaments for 3D printing; carbon fibers, other than for textile use; semi-worked ABS filaments for use in 3D printing; flexible hoses, not of metal; soundproofing materials; waterproof packings.
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
Synthetic rubber; plastic substances, semi-processed; plastic fibers, other than for textile use; acrylic resins, semi-processed; plastic filaments for 3D printing; carbon fibers, other than for textile use; semi-worked ABS filaments for use in 3D printing; flexible hoses, not of metal; soundproofing materials; waterproof packings for consumables for 3D printing
61.
PRINTING HEATING REGION DETERMINATION METHOD AND APPARATUS, COMPUTER AND STORAGE MEDIUM
A printing heating region determination method and apparatus, a computer and a storage medium, relating to the field of printing devices. The method comprises: receiving an object to be printed (320), and determining each target heating region occupied by said object on a printing platform (310); if the target heating regions comprise at least two heating regions, determining from among the target heating regions each main heating region and each auxiliary heating region except the main heating regions; on the basis of the area of said object in each auxiliary heating region, selecting each target auxiliary heating region from among the auxiliary heating regions; and configuring each main heating region and each target auxiliary heating region to start to be heated during a printing process. Thus, the method effectively determines the regions on the printing platform (310) which actually need to be heated during a heating process and therefore does not needs to heat each target heating region occupied by said object on the printing platform (310), thereby achieving an energy-saving effect.
A method for generating a 3D printing file includes: layering a 3D model into a plurality of sliced layers, and obtaining contour data of each of the sliced layers; determining a straight line X=X0 corresponding to an abscissa X0 of an intersection point of a preset seamline on the current layer of the sliced layers; determining coordinates of a seam point in accordance with the straight line X=X0 and contour data of the current layer, adding the coordinates of the seam point into the contour data of the current layer to update the contour data of the current layer, and setting the seam point as a start printing point of the current layer; and generating the 3D printing file of the 3D model in accordance with updated contour data of each of the plurality of layers. A 3D printing device, a computer device, and a storage medium are also provided.
A photocuring 3D printing device (200), comprising: a light source assembly (30) for providing curing light; a printing screen (40) disposed above the light source assembly (30), the printing screen (40) being configured to display a pattern consisting of a light-blocking region which blocks the curing light and a light-transmitting region through which the curing light is transmitted; a storage unit (50) disposed above the printing screen (40), the storage unit (50) being provided with an accommodating space (53) for accommodating a photosensitive material and a release film (52) disposed close to the printing screen (40); a movement unit (90) connected to the storage unit (50) and driving the storage unit to move relative to the printing screen (40) to form a heat dissipation region; and a heat dissipation mechanism (60) configured to absorb heat from the heat dissipation region and/or provide cool air to the heat dissipation region.
A method and a device for determining a print position of a 3D model, a computer device, and a storage medium are provided. The method includes: obtaining an objective 3D model selected by a user and determining a projection of an objective area including the objective 3D model to a print plane; determining whether storage data exists; determining a first print position of the objective 3D model on the print plane in accordance with the projection when the storage data exists; and determining a second print position of the objective 3D model on the print plane in accordance with the projection and the storage data when the storage data does not exist. No intersection is existed between the second print position and the storage data.
Provided in the present application are a laser engraving and cutting apparatus and a laser engraving and cutting system. The laser engraving and cutting apparatus comprises a laser element, a beam splitter, a first detection apparatus, and a second detection apparatus. The laser element emits a laser, wherein a part of the laser emitted by the laser element is emitted in a first direction in order to engrave and cut a piece to be processed, and is reflected by said piece to form a first reflected light; the beam splitter is located between the laser element and the piece to be processed, and comprises a first reflecting surface, wherein the first reflecting surface faces the laser element, and another part of the laser emitted by the laser element is reflected by the first reflecting surface to form a second reflected light. The first detection apparatus detects a light reflection signal of the second reflected light; and the second detection apparatus is used for receiving the first reflected light, so as to detect and feed back a light reflection signal of the first reflected light. The present application allows for real-time monitoring of engraving and cutting power and engraving and cutting effect, as well as dynamic adjustment of engraving and cutting parameters according to monitoring results.
A model support point setting method includes: layering a model into a plurality of layers in accordance with a preset layer height, and obtaining a contour of each layer; locating a suspended layer in accordance with the contour of each layer; obtaining a suspension position of the suspended layer in accordance with a contour of a lower layer of the suspended layer and a contour of the suspended layer; determining a contour of an overhang position in accordance with the suspension position of the suspended layer, and determining a sharp corner area and a non-sharp corner area of the overhang position in accordance with the contour of the overhang position; and setting support points on the sharp corner area and the non-sharp corner area in accordance with corresponding preset support point densities. A model support point setting device, an electronic device, and a computer readable storage medium are also provided.
The present application provides an automatic calibration device for a 3D printer, and a 3D printer. The automatic calibration device comprises an assisted positioning member, a measuring assembly, and a circuit board. The assisted positioning member is used for generating a force when being touched and transmitting the force. The measuring assembly comprises a deformation body and a sensor, the deformation body is connected to the assisted positioning member to receive the force transmitted by the assisted positioning member so as to deform, and the sensor is configured to detect the deformation of the deformation body in a first direction, a second direction, and a third direction, the first direction, the second direction, and the third direction being perpendicular to each other. The circuit board is used for acquiring information sensed by the sensor, and determining the coordinate position of a nozzle on the basis of the received information, so as to calibrate and position the nozzle, thus improving printing quality.
The present application provides a 3D printing device, comprising a gantry assembly and a base assembly which are connected. The 3D printing device further comprises a nozzle assembly, a dual-axis driving assembly and a forming platform. The nozzle assembly is movably connected to the gantry assembly. The dual-axis driving assembly is connected to the gantry assembly; the dual-axis driving assembly comprises a first driving part, first guide rails and second guide rails; the first guide rails are connected to the gantry assembly and disposed along a first direction; the second guide rails are movably connected to the first guide rails and disposed along a second direction; the nozzle assembly is movably connected to the second guide rails; the first driving part comprises synchronous belts and driving members; the driving members are used for driving the synchronous belts to rotate; the synchronous belts are connected to the nozzle assembly and the second guide rails, and used for driving the nozzle assembly to move along the second guide rails and/or driving the second guide rails to move along the first guide rails. The forming platform is movably connected to the base assembly, the forming platform is configured to move in a third direction relative to the base assembly, and the first direction, the second direction and the third direction are perpendicular to each other.
The present invention relates to the technical field of 3D printing, and in particular relates to a 3D printer. The 3D printer comprises a bottom housing assembly, comprising a printing screen; a shaping platform assembly, comprising a shaping platform; a driving assembly, connected to the bottom housing assembly and the shaping platform assembly, so as to drive the shaping platform assembly to move in a first direction relative to the bottom housing assembly; a distance sensor, provided on the bottom housing assembly and/or the shaping platform assembly, and used to determine whether or not the shaping platform is parallel to the printing screen by means of detecting the distances between multiple detection sites and the distance sensor; and an adjustment assembly, connected to the shaping platform assembly and used to adjust the shaping platform assembly on the basis of the detection result of the distance sensor. The 3D printer of the present application can implement automatic leveling, improving user experience as well as improving printing accuracy.
Disclosed in the present application are an automatic calibration method for a 3D printing device, and an electronic device and a storage medium. The method comprises: establishing a rectangular coordinate system on a module detection platform; controlling a first spray head to move, and acquiring the coordinates of N first touch points when the first spray head touches N positions of the module detection platform; according to the coordinates of the N first touch points, calculating first circle center coordinates which are measured on the basis of the first spray head; controlling a second spray head to move, and acquiring the coordinates of M second touch points when the second spray head touches M positions of the module detection platform; according to the coordinates of the M second touch points, calculating second circle center coordinates which are measured on the basis of the second spray head; according to the first circle center coordinates and the second circle center coordinates, calculating a first offset amount in the horizontal direction between the first spray head and the second spray head; and according to the first offset amount, calibrating the offset in the horizontal direction between the first spray head and the second spray head. By means of the present application, a left second spray head can be automatically calibrated, such that the calibration accuracy is high and labor costs can be saved on.
A 3D printing conveying platform includes a conveyor belt and a drive assembly driving the conveyor belt in a first direction, a base, a follower assembly and a movable component. The drive assembly is mounted to the base. The follower assembly is disposed opposite the drive assembly in the first direction, the conveyor belt is drive connected to the follower assembly. The movable component includes a first movable member and a second movable member connected to each other, the first movable member is connected to the follower assembly, the second movable member is movably disposed between the first movable member and the base and connected to the first movable member and the base, such that the follower assembly is capable of oscillating in a second direction relative to the base. The present application also provides a 3D printer.
A heat dissipation assembly (100) for a 3D printer, a moving device for 3D printing, a 3D printing head, and a 3D printer. The heat dissipation assembly (100) comprises a mounting frame (10), a heat sink (20), a first fan (30), and a first flow guide member (40). The heat sink (20) is assembled on the mounting frame (10). The first fan (30) is assembled on the mounting frame (10), and a housing of the first fan (30) is provided with a first air outlet (31). The first flow guide member (40) is assembled on the mounting frame (10). Another heat dissipation assembly (100) comprises a mounting frame (10), a second fan (50), and a second flow guide member (60). The second fan (50) is assembled on one side of the mounting frame (10), and a housing of the second fan (50) is provided with a second air outlet (51). The second flow guide member (60) comprises a second communication portion (61) and a second flow guide portion (62), and the second communication portion (61) is connected to the second air outlet (51) and the second flow guide portion (62). The moving device comprises a mounting frame (10) and a first moving assembly (70). The first moving assembly (70) comprises a first guide rod (71), a second guide rod (72), a first support (73), and a second support (74).
09 - Appareils et instruments scientifiques et électriques
Produits et services
3D scanners; Downloadable computer software for scanner image processing; Downloadable mobile applications for scanner image processing; Electrical adapters; Hand-held 3D scanners; Interactive touchscreen terminals; Printheads for document printers; Three dimensional (3D) scanners
09 - Appareils et instruments scientifiques et électriques
Produits et services
3D scanners; Downloadable computer software for scanner image processing; Downloadable mobile applications for scanner image processing; Electrical adapters; Hand-held 3D scanners; Interactive touchscreen terminals; Printheads for document printers; Three dimensional (3D) scanners
09 - Appareils et instruments scientifiques et électriques
Produits et services
3D scanners; Downloadable computer software for scanner image processing; Downloadable mobile applications for scanner image processing; Electrical adapters; Hand-held 3D scanners; Interactive touchscreen terminals; Printheads for document printers; Three dimensional (3D) scanners
The present application relates to the field of three-dimensional printing, and particularly to a defect detection method and apparatus, an electronic device, and a computer-readable storage medium. The defect detection method comprises: acquiring a defect digital model of a defect physical entity to be detected and the position information of the defect physical entity; acquiring a complete digital model of a complete physical entity corresponding to the defect physical entity, wherein the defect digital model and the complete digital model are both three-dimensional digital models; on the basis of the position information of the defect physical entity, carrying out placement angle alignment on the defect digital model and the complete digital model to obtain the aligned defect digital model and the aligned complete digital model; and on the basis of the aligned defect digital model and the aligned complete digital model, carrying out difference comparison to obtain a defect portion of the defect digital model. The present application can improve the defect detection precision and efficiency, thereby facilitating subsequent printing repair of the defect physical entity based on a placement position.
G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
G06V 10/75 - Organisation de procédés de l’appariement, p. ex. comparaisons simultanées ou séquentielles des caractéristiques d’images ou de vidéosApproches-approximative-fine, p. ex. approches multi-échellesAppariement de motifs d’image ou de vidéoMesures de proximité dans les espaces de caractéristiques utilisant l’analyse de contexteSélection des dictionnaires
80.
3D PRINTING CONTROL METHOD, ELECTRONIC DEVICE AND COMPUTER-READABLE STORAGE MEDIUM
A 3D printing control method, an electronic device and a computer-readable storage medium, which are applied to a 3D printing device. The 3D printing device comprises a spray head assembly and a printing platform (1), wherein the spray head assembly is configured to spray a printing material onto the printing platform (1). The method comprises: according to N preset extrusion parameters, controlling a spray head assembly to print preset lines on a printing platform (1), wherein N is an integer greater than 1, and each preset extrusion parameter corresponds to one preset line; acquiring a feature parameter of each preset line, wherein the feature parameter is configured to represent the degree of uniformity of the preset line; selecting an optimal feature parameter from among N feature parameters, and taking a preset extrusion parameter of the preset line corresponding to the optimal feature parameter as a final extrusion parameter; and according to the final extrusion parameter, controlling the spray head assembly to print a 3D model on the printing platform (1). The printing quality of the 3D printing device can be improved, such that the usage experience of a user is improved.
The present application provides a hotend and a head set using same, and a 3D printing device. The hotend comprises a heating part, a nozzle part, a transmission channel, and a heat conduction part. The transmission channel is configured to pass through the heating part and the nozzle part, and the transmission channel has an inner wall. The heating part is used for generating or transferring heat to increase the temperature in the transmission channel. The heat conduction part is arranged in the transmission channel and is thermally coupled with the heating part, and the heat conduction part comprises protrusions protruding in a direction from the inner wall to the central axis of the transmission channel. The hotend of the present application is suitable for a high-speed printing process, and can solve various problems such as insufficient melting of consumables, large viscosity of consumables, a printing speed being far lower than expected, nozzle blockage, large printing pressure, and poor molding quality. The head set comprises an extrusion assembly and the hotend, wherein the hotend is connected to the extrusion assembly. The 3D printing device comprises a device body, a printing platform, and the head set, wherein the head set and the printing platform are movably connected to the device body, respectively.
B29C 64/00 - Fabrication additive, c.-à-d. fabrication d’objets en trois dimensions [3D] par dépôt additif, agglomération additive ou stratification additive, p. ex. par impression en 3D, stéréolithographie ou frittage laser sélectif
B29C 67/00 - Techniques de façonnage non couvertes par les groupes , ou
82.
3D PRINTING DETECTION METHOD, ELECTRONIC DEVICE, AND COMPUTER READABLE STORAGE MEDIUM
The present application relates to a photovoltaic cell, a photovoltaic cell module, and a photovoltaic cell assembly. The photovoltaic cell comprises: a substrate; a cell body which is arranged on the surface of one side of the substrate; and a packaging structure which is arranged on the side of the cell body facing away from the substrate, wherein in the thickness direction, the orthographic projection of the packaging structure covers the orthographic projection of the cell body. The packaging structure comprises a first inorganic layer, a first organic layer and a second inorganic layer which are sequentially stacked in the direction away from the cell body. According to the photovoltaic cell provided by embodiments of the present application, the packaging effect is improved, and the reliability is improved.
Provided in the present application are an automatic leveling method, an electronic device and a computer-readable storage medium, which are applied to a 3D printing device, wherein the 3D printing device comprises a laser light source, which is used for emitting line laser, and a printing platform. The method comprises: controlling a laser light source to scan a printing platform, so as to obtain three-dimensional point cloud data of the printing platform; performing plane fitting on the three-dimensional point cloud data, so as to acquire a fit normal vector of a plane where the printing platform is located; according to the fit normal vector and a unit normal vector of a horizontal plane, calculating an offset of the printing platform based on the horizontal plane; and performing leveling compensation on the three-dimensional point cloud data according to the offset, and printing a 3D model according to the three-dimensional point cloud data, which has been subjected to leveling compensation. By means of the present application, a printing platform can be automatically leveled, so as to improve the printing precision of a 3D printing device, thereby improving the usage experience of a user.
The present application provides a 3D printing method, an electronic device, and a computer readable storage medium. The 3D printing method is applied to a 3D printing device. The 3D printing device comprises a print head assembly and a printing platform, and the print head assembly is used for spraying a printing material onto the printing platform. The method comprises: controlling the print head assembly to print at least one preset line on the printing platform; acquiring an actual line width of the preset line; comparing the actual line width with a preset printing line width of a 3D model to be printed, and determining an adjustment value according to a comparison result, wherein the adjustment value is used for adjusting the relative distance between the printing platform and the print head assembly; and adjusting the relative distance between the printing platform and the print head assembly according to the adjustment value, and then controlling the print head assembly to print said 3D model. According to the present application, the printing precision of the 3D printing device can be improved, thereby improving user experience.
Provided in the present application are a processing step detection method for a 3D printing device, and an electronic device and a storage medium, wherein the 3D printing device comprises a nozzle assembly, a printing platform and a laser light source. The method comprises: acquiring operation data of the current processing step of a 3D printing device, wherein the processing step at least comprises extrusion flow detection and first-layer detection of a nozzle assembly, and leveling detection of a printing platform; inputting the operation data into a preset model, wherein the preset model is obtained by means of performing training according to historical operation data of the 3D printing device; and according to an output result of the preset module, detecting whether the current processing step is abnormal. By means of the present application, whether a processing step of a 3D printing device during operation is abnormal can be automatically detected, so as to discover and solve an abnormal step in a timely manner, such that the printing quality of the 3D printing device can be ensured.
Provided in the present application are a 3D printing method, comprising: acquiring an exposure area of a slice layer according to printing model information; controlling curing light to move in the exposure area at a first speed V1; and controlling the curing light to move in a non-exposure area at a second speed V2, wherein V2>V1, the curing light is provided by a light source, and an irradiation area of the light source is smaller than the maximum exposure area of a photocuring printer. In the method, light sources with an irradiation range smaller than the effective width of an exposure screen is used, the number of light sources is reduced, and a plurality of areas of the exposure screen are irradiated by using the same light source, thereby improving the overall uniformity of light. Further provided in the embodiments of the present application are an electronic apparatus or photocuring 3D printer for executing the method, and a computer-readable medium.
B29C 64/129 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des couches de liquide à solidification sélective caractérisés par la source d'énergie à cet effet, p. ex. par irradiation globale combinée avec un masque
B29C 64/282 - Agencements pour irradiation utilisant des moyens de rayonnement multiples, p. ex. des micro-miroirs ou des diodes électroluminescentes multiples [LED] du même type, p. ex. utilisant des niveaux d’énergie différents
B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
An air pump circuit (100), an air pump device (10), and a laser engraving machine. The air pump circuit (100) comprises a main control circuit (170), a driving circuit (120), a detection circuit (130) and a direct-current power supply (190). A control signal is output from the main control circuit (170) to the driving circuit (120), and the driving circuit (120) forms a periodic driving signal and outputs same to drive an air pump (200) to work. A detection signal is output from the detection circuit (130) to the driving circuit (120), the driving circuit (120) is configured to acquire the working current of the air pump (200) according to the detection signal, and when the working current is greater than a current threshold, the driving circuit (120) adjusts the driving signal output in the current period. The direct-current power supply (190) is used for providing a direct current for the air pump circuit (100).
A heat dissipation assembly and a laser module. The heat dissipation assembly comprises heat dissipation fans (201), a first heat dissipation structure and a second heat dissipation structure, wherein the first heat dissipation structure comprises a side plate and first guide portions (202); the heat dissipation fans (201) are arranged on the side plate; the first guide portions (202) are arranged on the areas of the side plate that are located outside of the heat dissipation fans (201), and define first heat dissipation flow channels penetrating in a first direction; the second heat dissipation structure is connected to a light-emergent side of a laser generator (143), and comprises a first through hole and second guide portions (203); the first through hole is configured to allow a laser emitted by the laser generator (143) to pass therethrough; the second guide portions (203) correspond to and are in communication with the first guide portions (202), and define second heat dissipation flow channels penetrating in a second direction; a preset included angle is formed between the second direction and the first direction; the heat dissipation fans (201) can operate to form first heat dissipation airflows passing through the first heat dissipation flow channels and the second heat dissipation flow channels; and the first heat dissipation airflows pass through the second heat dissipation flow channels and are then blown towards an observation window (101).
The present application provides a 3D printing device, comprising a tensioning transmission assembly, a lifting/lowering assembly, a lifting/lowering platform assembly, a forming platform, a tensioning driving assembly, and a nozzle assembly. The lifting/lowering assembly comprises a plurality of screw rods. The tensioning transmission assembly is drivingly connected to the lifting/lowering assembly to drive the screw rods to rotate. The tensioning transmission assembly is driven by using a conveyor belt, and the conveyor belt is configured to be in a tensioned state. The lifting/lowering platform assembly is drivingly connected to the lifting/lowering assembly. The forming platform is connected to the lifting/lowering platform assembly. The screw rods rotate to drive the lifting/lowering platform assembly, so as to drive the forming platform to achieve lifting and lowering. The tensioning driving assembly is drivingly connected to the nozzle assembly, so as to drive the nozzle assembly to implement horizontal displacement relative to the forming platform. The tensioning driving assembly is driven by using the conveyor belt, and the conveyor belt is configured to be in a tensioned state.
The present application provides a method and apparatus for determining image correction data, and an electronic device and a storage medium. The method comprises: acquiring a correction image for performing projection correction, wherein the correction image comprises each target calibration point for performing projection correction; determining the relative position of each target calibration point in the correction image; acquiring a projection image to be tested of the correction image in a 3D printer to be tested; determining the relative position of each projection calibration point to be tested that corresponds to each target calibration point in said projection image; and calculating a perspective transformation matrix of said 3D printer according to the relative position of each target calibration point and the relative position of each projection calibration point to be tested, wherein the perspective transformation matrix is used for performing perspective transformation on an image to be projected in said 3D printer, so as to obtain a corrected image. The present application can improve the image projection precision and the image projection efficiency of a 3D printer.
The present application provides a method for driving a laser, the laser, a computer storage medium, and an electronic device. The laser includes a plurality of light sources with different powers, the method includes: determining (101) an operating mode of the laser according to mode selection information; determining (102) an output light power corresponding to the operating mode of the laser, and selecting (102) an objective light source with the same power as the output light power from the plurality of light sources; and driving (103) the objective light source to emit light. The laser of the present application is capable of switching between different operating modes, and the laser is capable of being applied to different scenarios.
The present invention relates to an extrusion apparatus and a 3D printing device. The extrusion apparatus comprises an extrusion assembly, a driving assembly, and a switching mechanism. The switching mechanism comprises a positioning assembly and a toggling member rotatably connected to the positioning assembly. A first extrusion wheel is installed on the positioning assembly. A second extrusion wheel is installed on the toggling member. The toggling member has an opening position and a closing position. When the toggling member is moved to the opening position, the second extrusion wheel is far away from the first extrusion wheel, and a feeding gap between the second extrusion wheel and the first extrusion wheel is increased, so that replacement or feeding of consumables is achieved. When the toggling member is operated to move to the closing position, the second extrusion wheel is close to the first extrusion wheel, and the feeding gap between the second extrusion wheel and the first extrusion wheel is decreased, so that extrusion and conveying of the consumables is achieved, and the replacement of the consumables is more convenient and efficient. A spring does not need to be provided to press extrusion wheels, so that the problem that extrusion force between the two extrusion wheels is changed due to spring deformation can be avoided, the extrusion force provided by the two extrusion wheels is stable and reliable, and the feeding reliability of the extrusion apparatus is improved.
A light source apparatus (300) and a light-curing 3D printing device (10). The light source apparatus (300) comprises a reflecting member (310), a mounting seat (320), and two light source assemblies (330). The two light source assemblies (330) are respectively arranged on a first inclined surface (321) and a second inclined surface (322) of the mounting seat (320). The light source assemblies (330) are obliquely arranged, so that light in the normal direction is projected onto a receiving surface of a light source receiving member and reaches an end region of the receiving surface. Part of light in the non-normal direction is projected onto a non-end region of the receiving surface, and the other part of the light is reflected to the non-end region of the receiving surface by means of the reflecting member (310). The light intensity of the light source assemblies (330) in the normal direction is maximum, and the light intensity of the light source assemblies in the non-normal direction gradually decreases. The light intensity of the non-end region is superposed on the light intensity in the non-normal direction by means of the two light source assemblies (330) to reach a value of the light intensity of the end region, so that the distribution of the light intensity of each region of the receiving surface is uniform, thereby avoiding the situation in which the light intensity of a middle region of the receiving surface is far greater than the light intensity of the end region, and further improving the uniformity of light illumination.
