408results about "Manufacturing enclosures" patented technology

The invention discloses a three-dimensional printing method and three-dimensional printing equipment for manufacturing a target object. The three-dimensional printing method comprises the following steps: curing a first material to form a first part of a first layer in a plurality of target layers; curing the second material to form a second portion of the first layer of the plurality of target layers; curing the first material to form a first portion of a second layer of the plurality of target layers on the first portion of the first layer, the total thickness of the first portion of the first material being greater than the total thickness of the second portion of the second material; the steps are repeated to form a plurality of target layers of the target object. According to the scheme provided by the invention, various risks caused by the positioning accuracy of movement in the vertical direction are reduced.

A three-dimensional (3D) printing system is configured to print a 3D article in a layer-by-layer manner and includes a vertical beam, an elevator, and a build platform. The elevator is configured for vertical translation along the vertical beam and includes an upper support and a lower support. The lower support includes at least one elevator actuator extending upward from an upper side. The upper support has a lower side including a datum surface in engagement with the actuator. The elevator actuator is configured to modulate a position of the upper side of the upper support. The build platform includes a build plate coupled below a support plate. The build plate has a lower side for formation of the 3D article. The support plate has a lower side that engages the upper side of the upper support of the elevator to support the build platform.

The invention discloses a three-dimensional printing method and three-dimensional printing equipment for manufacturing a target object. The three-dimensional printing method includes: forming a first plurality of layers of a target object using a base material; and forming a second plurality of layers of the target object using the first material and a second material different from the first material, including: curing the first material to form a first portion of the first layer of the second plurality of layers; curing the second material to form a second portion of the first layer of the second plurality of layers; curing the first material to form a first portion of a second layer of the second plurality of layers on the first portion of the first layer; curing the second material to form a second portion of a second layer of the second plurality of layers on the second portion of the first layer; the steps are repeated to form a second plurality of layers of the target object. According to the method, at least two materials can be printed on the same layer, so that the printing effect of multiple materials (such as colors) is achieved.

A powder removal apparatus includes an extraction housing comprising a sidewall that is sized and configured to extend around a powder bed of a build module and a top wall that is sized and configured to extend between opposite sides of the sidewall and over the powder bed. The sidewall and top wall are configured to form a chamber portion of a turbulence chamber. The top wall has a vacuum exit opening that is configured to fluidly connect to a vacuum source. The sidewall has a plurality of sidewall inlet flow channels that extend from an inlet opening at an exterior side of the sidewall to an outlet opening at an interior side of the sidewall. A side exit channel is configured to extend along the top wall from a collector opening in communication with the chamber portion toward the vacuum exit opening.

A method of forming a three-dimensional object is carried out by: (a) providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; (b) filling the build region with a polymerizable liquid, the polymerizable liquid comprising a mixture of: (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from the first component; (c) irradiating the build region with light through the optically transparent member to form a solid blocked polymer scaffold and advancing the carrier away from the build surface to form a three-dimensional intermediate having the same shape as, or a shape to be imparted to, the three-dimensional object, with the intermediate containing the second solidifiable component; and then (d) solidifying and / or curing the second solidifiable component to form from said three-dimensional intermediate the three-dimensional object.

The application relates to a wire transfer multi-material additive manufacturing device and method, which device comprises a rack, a station switching module, a lifting module, a forming module and a printing platform; the station switching module is fixedly installed on the rack, the printing platform is connected with the station switching module, and the printing platform is arranged above the station switching module; at least one aluminum profile rack is arranged on the rack, and the lifting module is installed on each aluminum profile rack; the forming module is arranged on the lifting module, the forming module is used for coating a film transfer material and selectively transferring the material to the printing platform; the station switching module moves the printing platform in the horizontal direction, the forming module completes line-by-line coating, forming and demolding of the material on the printing platform, and realizes coverage from a line to a plane. The application not only optimizes the structure of the multi-material additive manufacturing device, improves the stability and operation convenience of the device, but also overcomes the precision and material compatibility problems of existing high-viscosity photocurable materials in the multi-material additive manufacturing technology.

The application relates to the field of 3D printing technology, in particular to a multi-energy-field micro-nano 3D printing equipment and method. The equipment can realize multi-material integration and comprises a multi-material pool, a light source system and a substrate capable of relative motion with the multi-material pool. The light source system is used for emitting an UV light path. The substrate and a conductive resin pool, a functional resin pool and a magnetic control resin pool, which can be accessed by the UV light path, are arranged on the multi-material pool. An asymmetric electric field can be generated in the conductive resin pool. Functional materials are arranged in the functional resin pool. The bottom of the magnetic control resin pool is provided with a uniform magnetic field capable of generating a fixed direction and capable of self-rotation. Through the position cooperation of the multi-material pool and the substrate, the step-by-step printing of conductive materials, functional materials and magnetic materials is realized, and the effect of integrating the three materials is achieved.

A system includes: a frame; a tank defining a volume configured to hold uncured resin; a laser emitting device configured to produce a laser beam; an actuation system to provide relative movement between the laser emitting device and the tank; and a controller configured to: receive print information regarding a three-dimensional object to be printed into the volume of the tank; operate the actuation system based on the print information to move the laser emitting device relative to the tank so that the focal point of the focused laser beam moves within the volume of the tank; and operate the focused laser beam based on the print information, so that movement of the focal point of the focused laser beam inside the volume of the tank energizes a local portion of uncured resin to polymerize the local portion of the uncured resin and to thereby additively manufacture the three-dimensional object.

A three-dimensional (3D) printing system is configured to print a 3D article in a layer- by-layer manner and includes a vertical beam, an elevator, and a build platform. The elevator is configured for vertical translation along the vertical beam and includes an upper support and a lower support. The lower support includes at least one elevator actuator extending upward from an upper side. The upper support has a lower side including a datum surface in engagement with the actuator. The elevator actuator is configured to modulate a position of the upper side of the upper support. The build platform includes a build plate coupled below a support plate. The build plate has a lower side for formation of the 3D article. The support plate has a lower side that engages the upper side of the upper support of the elevator to support the build platform.

A method of manufacturing a three-dimensional (3D) article includes operating a print engine to fabricate a composite structure including the 3D article coupled to a support structure, removing the composite structure from the fluid tank, and peeling the inside surface of the sheath away from the outer surface of the article, peeling progressively breaks the plurality of strands. The support structure includes a conformal sheath having an inside surface that follows the outer surface of the 3D article with a gap between the inside surface of the sheath and the outer surface of the article, and a plurality of strands that span the gap and individually have opposed ends that are coupled to the inside surface of the sheath and the outer surface of the article to maintain the gap, the gap filled with the photocurable liquid ink.

A three-dimensional printing system is provided that includes a tank, a textured substrate connected to the tank, and at least one electrode. The tank contains a liquid photopolymer resin and a lubricant. The textured substrate is configured to allow light to pass through into the liquid photopolymer resin. The at least one electrode is configured to control a flow of the lubricant on the textured substrate.

The utility model is suitable for the technical field of 3D printing, and provides an anti-dripping flow guide material nozzle which is installed at a container opening and used for guiding flow when liquid is poured, and the anti-dripping flow guide material nozzle comprises a base, a flow guide plate, a backflow plate, a groove and a drainage opening; the guide plate and the backflow plate are connected to the base in parallel front and back; the flow guide plate is used for guiding flow when liquid is poured; the backflow plate is used for collecting liquid dripping from the flow guide plate and carrying out liquid backflow; a groove is formed between the guide plate and the backflow plate; the groove is used for collecting backflow liquid; the drainage port is formed in the bottom of the groove; the drainage port penetrates through the guide plate; and the drainage opening is used for draining the collected liquid into the container opening. According to the anti-dripping flow guide nozzle, a double-layer plate flow guide scheme is adopted, drainage can be achieved through the flow guide plate during pouring, resin flowing back on the wall can be collected through the backflow plate, and when the anti-dripping flow guide nozzle is installed in a 3D printing resin groove, the anti-dripping flow guide nozzle is particularly suitable for preventing a resin solution from dripping and avoiding resin pollution when the resin groove is laid flat after resin is poured.

The present disclosure provides a filament replacement mechanism for a 3D printer and a 3D printing system. The filament replacement mechanism includes: a support; a filament guide unit disposed on the support and including a plurality of secondary filament guide tubes and a filament guide opening connecting with the plurality of secondary filament guide tubes, where the filament guide opening is configured to be jointed with a main filament guide tube of the 3D printer; and a plurality of filament replacement units disposed on the support. According to the present disclosure, a variety of filaments can be automatically provided for the 3D printer according to printing needs, and the replacement of filament spools is also facilitated.

In order to solve the problems of the prior art, the present application provides a sunken full-automatic light-curing printer, comprising a control system and a printing section, a taking section and a light-curing section fixed in the support. The displacement mechanism is controlled by the control system to drive the printing substrate mechanism to transfer between the printing section, the taking section and the light-curing section. After accurate positioning analysis, the control system controls the displacement position of the Z-axis displacement mechanism and the displacement position of the printing substrate by controlling the opening / closing and movement state of the displacement mechanism. The present application realizes the integration of printing, taking, cleaning and curing functions of a single printer by the displacement of the printing substrate mechanism between sections, significantly compresses the production line space, and thus realizes the completion of the whole process by one device.

The invention discloses a liquid level recognition stabilizing device for an industrial photocuring 3D printer with a top-mounted light source, and relates to the technical field of photocuring 3D printing equipment.The liquid level recognition stabilizing device achieves self-adaption to complex physical characteristics of photosensitive resin by constructing a multi-sensor fused detection and compensation system; physical authenticity and reliability of liquid level data under various working conditions are ensured, a laser measuring point is transferred from an open main liquid level to a protected stable liquid level, direct interference of optical property difference caused by different resin formulas on reflected light signals is avoided, and the temperature of resin in the bowl is monitored in real time, so that the accuracy of the liquid level data is improved. Dynamic compensation is carried out on a laser measurement value, a laser light path drift error caused by resin temperature change due to environment or reaction heat release is eliminated, moving average filtering and smooth residual random disturbance are applied to collected original data, and finally liquid level data subjected to physical isolation, temperature compensation and digital filtering treatment are output.

A print engine of an additive manufacturing system includes a printing station having a printing bed, a powder dispenser, and first and second powder holding chambers. The first powder nozzle and the second powder nozzle are connected to the first powder holding chamber and the second powder holding chamber, respectively. At least one vibrating element is attached to the printing bed, the powder spreader, the first powder holding chamber and the second powder holding chamber, and at least one of the first powder nozzle and the second powder nozzle. In one embodiment, a laser capable of directing a two-dimensional laser image against a printing bed is provided. In another embodiment, the sizes of the powders held in the respective first and second powder holding chambers are different.

The present invention relates to an additive manufacturing apparatus (40), which comprises a chamber (11, 21), a driving device, a molding chamber (43), and a powder laying device, the chamber (11, 21) having a support table (13b, 24) arranged in a sealed manner in the chamber (11, 21), a quick release assembly arranged at the bottom of the support table (13b, 24) to be connected to the driving device so that the driving device can be quickly connected to or disconnected from the support table (13b, 24), and the chamber A first part (14a) of the assembly transfer structure is arranged on (11, 21), which cooperates with a second part (14b) of the assembly transfer structure arranged on the additive manufacturing device (40) to realize the rapid transfer of the chambers (11, 21) in the additive manufacturing device (40). Thus, after additive manufacturing is completed, the post-processing of the molding table (13) can be quickly performed and the chambers (11, 21) can be quickly replaced, significantly reducing the time required for maintenance and reducing potential risks in the maintenance process.

The present invention includes a cartridge for printing one or more three-dimensional objects, the cartridge being configured to contain a volume of a photopolymerizable composition, the cartridge including side walls attached to a bottom wall to define a volume space for containing the volume, the cartridge being configured for including one or more printing zones, wherein a printing zone is sized to facilitate being irradiated by one or more, preferably at least two, excitation light projections to at least partially form a three- dimensional printed object within the volume of photopolymerizable composition in the printing zone. Systems and methods including a cartridge described herein are also disclosed.

1. An apparatus (100) for printing a 3D model, the apparatus (100) comprising: a vat (106) configured to store photocurable ink, the vat (106) including an oxygen permeable membrane (105) at a bottom of the vat; and a printing platform (116) including a base (118) and a mesh on a first side of the base, the mesh having an adhesive strength of the photocurable ink to the mesh greater than an adhesive strength of the photocurable ink to the oxygen permeable membrane, the platform being configured to be displaced from the oxygen permeable membrane to form a 3D model from the photocurable ink.

An outer ring of a slewing bearing of the photocuring three-dimensional printing device is fixed to a workbench, a supporting cylinder is fixed to an inner ring of the slewing bearing, a material groove is formed in the top end face of the supporting cylinder, one side of the material groove is hinged to the supporting cylinder through a hinge shaft, and the material groove can rotate around the hinge shaft; when the printing platform carries the model to move upwards, the end, away from the hinge shaft, of the trough can be driven to move upwards, and the trough inclines. A driving wheel is arranged on a ball screw of the transmission device, and a driven wheel connected with the driving wheel is arranged on the inner ring, so that the ball screw can drive the inner ring to rotate and drive the supporting barrel and the trough to rotate synchronously. The invention further discloses a photocuring three-dimensional printing method. The servo motor for driving the ball screw to rotate is also used as the motor for rotating the trough, so that the control system is simplified. And when the model moves upwards, an included angle is formed between the curing layer and the horizontal plane, so that a gap is formed between the curing layer and the release film until the curing layer is completely separated from the release film.

This 3D printer 10 comprises an inkjet head 200 for ejecting ink, a head tank 210 for storing the ink supplied to the inkjet head 200, an ink tank 220 for storing the ink supplied to the inside of the head tank 210, piping 230 for connecting the head tank 210 and the ink tank 220, a vacuum pump 242 for generating high negative pressure, a first pressure line 271 for connecting the head tank 210 and the vacuum pump 242, and a controller 110 for performing control such that the high negative pressure generated by the vacuum pump 242 is applied to the head tank 210 via the first pressure line 271 when ink is supplied from the ink tank 220 to the inside of the head tank 210 via the piping 230.

The present invention relates to a manufacturing apparatus for additive manufacturing of three-dimensional workpieces, comprising a solidification device configured to selectively solidify powder material. The manufacturing apparatus is configured to be used with a replaceable build cylinder configured to receive at least partially solidified powder material. The manufacturing apparatus comprises a coupling system for coupling to the build cylinder, the coupling system configured to orient the build cylinder into a predetermined position and to hold the build cylinder in place for at least a portion of the manufacturing process. The present invention also relates to a corresponding build cylinder, manufacturing system, and method.

The present application provides a three-dimensional printing rotary filament spool holder shaft, a three-dimensional printing filament spool holder, and a three-dimensional printer, comprising a fixed tube and a sleeve assembly sleeved outside the fixed tube and being capable of rotating relative to the fixed tube. The sleeve assembly is elastically connected to the fixed tube through an elastic member, the relative rotation between the sleeve assembly and the fixed tube causes the elastic member to generate elastic deformation, and the sleeve assembly is used for being sleeved in a three-dimensional printing filament spool. According to the present application, the functions of convenient mounting of a three-dimensional printing filament spool and rewinding of the filament in the filament spool can be realized, the filament is prevented from winding, and the structure is simple.

The invention provides a printing method and a 3D printer, the method is applied to a forming module, the forming module forms a containing cavity and comprises a light-transmitting assembly arranged on one side of the containing cavity and a forming platform arranged opposite to the light-transmitting assembly, the containing cavity is used for containing a printing material, and the containing cavity comprises a forming cavity located between the forming platform and the light-transmitting assembly; the forming platform can move towards or away from the light-transmitting assembly. The method comprises the steps that the forming platform is controlled to move away from the light-transmitting assembly, and release is conducted when the air pressure of the containing cavity is higher than environment air pressure. The forming platform is controlled to move, and the containing cavity is used for boosting to assist release, so that the release force is effectively reduced, damage to a printing layer is reduced, the printing success rate and precision are improved, and the printing efficiency and the process stability are improved.

This disclosure relates to a pulsed release module, a pulsed release tray, a 3D printing apparatus and a printing method, wherein the pulsed release module includes a tray assembly, a support assembly and a pulsed gas supply assembly, the tray assembly having a release film, the support assembly being located below the tray assembly and the support assembly having a support member, the support member and the release film being separated by a first predetermined distance in the height direction to form a gas chamber between the support member and the release film, the support member being provided with an intake port and an exhaust port communicating with the gas chamber, the pulsed gas supply assembly including a gas oscillation assembly and a gas supply line, the gas oscillation assembly being located in the gas supply line and the gas supply line being connected to the intake port.

The invention provides a locking device and printing equipment, and particularly relates to the technical field of 3D printing. The locking device comprises a first limiting piece, a second limiting piece and a rotating piece. Wherein the second limiting piece and the first limiting piece are oppositely arranged in the first direction, and a clamping space used for containing a printing capsule is formed between the first limiting piece and the second limiting piece. The rotating piece is used for driving at least one of the first limiting piece and the second limiting piece, so that the first limiting piece and the second limiting piece generate relative movement in the first direction to jointly clamp or release the printing capsule placed in the clamping space. Therefore, according to the locking device provided by the invention, the rotating part is rotated to drive at least one of the first limiting part and the second limiting part to move up and down, so that the printing capsule is locked or unlocked. In addition, the number of parts needed by the locking device is small, modular design and operation convenience are improved, and cost is reduced.

A system (10) is disclosed for additively manufacturing a composite structure (12). The system may include a support (14), and a print head (16) operatively connected to and moveable by the support. The print head may include a supply of continuous reinforcement (19), an outlet (54) configured to discharge the continuous reinforcement, and a tensioning module (48) disposed between the supply and outlet. The tensioning module may be configured to generate a signal indicative of at least one of a tension in the continuous reinforcement and a position of a tensioning module. The system may also include a processor (20) programmed to selectively cause the supply to dispense the continuous reinforcement based on the signal.

The present application provides a filament spool holder for a 3D printer, a 3D printer, and a 3D printing system. The filament spool holder comprises: a filament spool holder body; at least two cartridge rotating shafts connected to the filament spool holder body, wherein one cartridge rotating shaft is used for placing one 3D printing filament spool; and at least two feeding / returning devices fixed on the filament spool holder body, wherein each feeding / returning device comprises an extrusion mechanism, and is used for conveying a filament in the 3D printing filament spool on the corresponding cartridge rotating shaft to the 3D printer or returning the filament to the 3D printing filament spool on the corresponding cartridge rotating shaft. By implementing the embodiments of the present application, a plurality of 3D printing filament spools can be placed on the filament spool holder at the same time; and the feeding / returning devices are provided, so that acting forces can be supplied to the filament, facilitating feeding and returning of the filament.