1076results about "Manufacturing enclosures" patented technology

The invention provides a pull-up DLP type 3D printer which comprises a workbench and an air source, a transmission mechanism is installed on the workbench, a printing platform is installed on the transmission mechanism, an air guide hole is formed in the printing platform, and the air source communicates with the air guide hole; a demolding hole communicated with the air guide hole is formed in the model, and the demolding hole at least downwards penetrates through one curing layer; and after the curing layer penetrated by one demolding hole is completed, compressed gas in the gas source can enter the demolding hole through the gas guide hole, so that the release film is gradually stripped from the curing layer from inside to outside. The invention further provides a 3D printing method. In the model printing process, after printing of one curing layer is completed, compressed air in the air source enters the demolding hole through the air guide hole, and the release film and the model are stripped from inside to outside; and meanwhile, the printing platform lifts the model upwards, so that the release film and the model are stripped from outside to inside, an inside and outside bidirectional stripping mode is formed, and the stripping speed and the printing speed of the release film are improved.

The present disclosure relates to a pulsing release module, a pulsing release resin tank, and a 3D printing device and printing method. The pulsing release module comprises a resin tank assembly, a support assembly and a pulse gas supply assembly, wherein the resin tank assembly is provided with a release film; the support assembly is arranged below the resin tank assembly, the support assembly is provided with a support member, and a first preset distance is provided between the support member and the release film in a height direction and is configured to form a gas cavity between the support member and the release film; a gas inlet and a gas outlet, which are in communication with the gas cavity, are provided in the support member; and the pulse gas supply assembly comprises a gas oscillation assembly and a gas conveying line, the gas oscillation assembly being arranged on the gas conveying line, and the gas conveying line being connected to the gas inlet.

A powder handling device is provided, along with apparatus and methods of its use. The powder handling device includes a mounting portion defining a plane and comprising a mounting interface; a fixture device configured to mount the mounting portion over an opening of a powder container at a mounting interface; and a powder suction unit attached to the mounting portion and passing through the plane. The powder suction unit is movable relative to the mounting portion with at least one degree of freedom. The powder handling device may be mounted onto an opening of a powder container.

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.

The present disclosure provides a ceramic three-dimensional (3D) printing device based on a gel molding process and a control method. The ceramic 3D printing device based on a gel molding process includes a feeding assembly, a receiving assembly, a scraping assembly, and a spray assembly. The feeding assembly includes a feeding pump and a storage hopper. The receiving assembly includes a feeding rod. The feeding pump can convey slurry in the storage hopper to the feeding rod. The control method includes introducing the atomized liquid into the storage hopper and the bearing groove through the first spray pipe and the second spray pipe respectively. According to the present disclosure, a water content of the slurry can be controlled to achieve a better curing effect.

The present disclosure provides a system and method for three-dimensional (3D) printing. The system comprises a post-treatment device. The post-treatment device comprises: a material receiving mechanism, which comprises a material receiving body, the material receiving body being configured to bear a 3D-printed object having a redundant printing material; and a driving mechanism, which is configured to allow the material receiving mechanism to rotate from a first state to a second state, so that the redundant printing material drips off of the 3D-printed object, wherein the 3D-printed object has at least two different inclination angles. The technical solution of the present disclosure effectively solves the problem in the prior art of methods for separating a redundant printing material from a 3D-printed object having a poor separation effect and low efficiency.

The invention belongs to the technical field of biological additive manufacturing, and provides multi-material projection photocuring biological 3D printing equipment and method.The multi-material projection photocuring biological 3D printing equipment comprises a projection mechanism, a printing platform arranged on the projection mechanism and a material supply mechanism arranged on the printing platform; the material supply mechanism comprises a plurality of charging barrels and bent pipes connected with the charging barrels, and the ends, away from the charging barrels, of the bent pipes are connected with the printing platform; the material cylinders are filled with biological materials with different properties, when the materials need to be switched, switching of material cutting and material supplying between the different material cylinders is controlled, the material switching efficiency and precision are guaranteed, and the overall printing efficiency and effect are improved.

The invention discloses a multi-material localized printing device and method based on a selective laser melting technology. The device comprises a laser printing head, a printer shell, a groove type lifting printing table, a powder storage mechanism, a powder feeding execution mechanism, a powder scraping mechanism and a regional powder covering mechanism. The groove type lifting printing table is arranged on the printer shell; the laser printing head is located above the groove type lifting printing table. The powder storage mechanism is located on the side of the groove type lifting printing table. The powder feeding executing mechanism is located below the powder storage mechanism. The powder scraping mechanism is located behind the groove type lifting printing table. The regional powder covering mechanism is located in front of the groove type lifting printing table. Various materials can be selected during one-time forming machining, material conversion in the forming machining process is simpler and faster, multi-material combination can be achieved in different areas of the same-layer structure in the horizontal direction, and multi-material combination can be achieved in different areas or the same area of the different-layer structure in the vertical direction; and the forming requirements of multi-material integrated parts are effectively met.

A 3D printing system includes a printing head, a base frame and a material platform. The printing head includes a printing seat and a nozzle seat, where the nozzle seat may rotate relative to the printing seat, and an extrusion opening is formed in the nozzle seat. The material platform includes a frame which may rotate relative to the base frame, and at least one feeding component. The feeding component includes a rotatable follow-up portion arranged on the frame, and the feeding component is used for conveying printing materials to the extrusion opening. A flexible line is connected between the frame and the nozzle seat, and includes a conveying line formed between the feeding component and the extrusion opening for conveying printing materials. The platform frame may rotate following the nozzle seat to prevent excessive winding of the flexible line.

The 3D printer comprises a workbench and a resin pump, a printing platform is installed on a transmission mechanism located on the workbench, a liquid guide hole is formed in the printing platform, an inlet of the resin pump communicates with an inner cavity of a material groove, and an outlet of the resin pump communicates with the liquid guide hole; the model is bonded on the printing platform, a demolding hole is formed in the model, the upper end of the demolding hole is communicated with the liquid guide hole, and the demolding hole at least downwards penetrates through one curing layer; and after a curing layer penetrated by one demolding hole is completed, under the driving of a resin pump, the photosensitive resin in the material groove can be fed into the liquid guide hole, so that the release film is stripped from the curing layer from inside to outside along the edge of the lower end of the demolding hole. The invention further discloses a 3D printing method. The photosensitive resin in the trough is injected into the demolding hole in the model through the resin pump, so that the model can peel off the release film from the inner direction and the outer direction at the same time, and the peeling speed and the printing speed of the release film are increased.

The invention provides a three-dimensional printing method and three-dimensional printing equipment. The three-dimensional printing method comprises the steps that a first material is supplied to a bearing area of a light-permeable material containing mechanism of the three-dimensional printing equipment through a first channel of a material supply mechanism of the three-dimensional printing equipment; a second material different from the first material is supplied to the bearing area of the material containing mechanism through a second channel of the material supply mechanism; a forming platform mechanism of the three-dimensional printing equipment is moved, so that the forming platform mechanism makes contact with the first material and the second material in the bearing area; light rays are projected to the bearing area through an optical mechanism of the three-dimensional printing equipment, so that the first material and the second material are cured, and a curing layer adhering to the forming platform mechanism is formed; and the forming platform mechanism is moved away from the material containing mechanism, so that the curing layer is separated from the material containing mechanism.

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 utility model discloses a trough of a photocuring 3D printer and the photocuring 3D printer. The photocuring 3D printer comprises an upper bottom plate and a base, the upper bottom plate is arranged on the base, and a material groove is located in the upper bottom plate and comprises a material groove frame; the release film assembly is arranged on the side, facing the upper bottom plate, of the trough frame, and the release film assembly comprises a release film frame and a release film installed in the release film frame; the mounting hole is formed in the trough frame; the through hole is formed in the release film frame; and the first connecting piece penetrates through the mounting hole and the through hole and is connected to the upper bottom plate. The mounting hole is formed in the trough frame, the through hole is formed in the release film frame, the first connecting piece penetrates through the mounting hole and the through hole and is connected to the upper bottom plate, and the trough can be stably mounted on the upper bottom plate under the condition that the first connecting piece and a related fixing structure are prevented from occupying too much space of the upper bottom plate outside the release film frame; therefore, the overall area and volume of the trough can be reduced.

A system includes a build platform configured to support an object that is being formed from layers of resin. The system further includes one or more blades configured to provide the layers of resin to form the object on the build platform. At least a first blade of the one or more blades is configured to vibrate to reduce viscosity of the layers of resin.

The invention provides three-dimensional printing equipment and a three-dimensional printing method. The three-dimensional printing equipment comprises a light-permeable material containing mechanism and a printing mechanism, wherein the light-permeable material containing mechanism is provided with a bearing area configured to bear a printing material; a feeding mechanism including a first channel configured to supply a first material and a second channel configured to supply a second material different from the first material; the driving mechanism is configured to move at least one of the material containing mechanism and the material supply mechanism; an optical mechanism configured to project light to the bearing area based on the pattern to cure the first material and the second material; the forming platform mechanism is configured to adhere to the curing layer and can carry the adhered curing layer to be separated from the material containing mechanism, and the curing layer comprises at least one of a part formed by the first material, a part formed by the second material and a part formed by the mixture.

The invention provides a three-dimensional printing method and three-dimensional printing equipment. The three-dimensional printing method comprises the steps that a first material is supplied to a bearing area of a light-permeable material containing mechanism of the three-dimensional printing equipment through a first channel of a material supply mechanism of the three-dimensional printing equipment; a second material different from the first material is supplied to the bearing area of the material containing mechanism through a second channel of the material supply mechanism; a forming platform mechanism of the three-dimensional printing equipment is moved, so that the forming platform mechanism makes contact with the first material and the second material in the bearing area; light rays are projected to the bearing area through an optical mechanism of the three-dimensional printing equipment, so that the first material and the second material are cured, and a curing layer adhering to the forming platform mechanism is formed; and the forming platform mechanism is moved away from the material containing mechanism, so that the curing layer is separated from the material containing mechanism.

The invention relates to the technical field of sulfate system nickel electrodeposition, in particular to a nickel electrodeposition starting sheet rapid machining device and method.The machining device comprises a feeding mechanism used for conveying nickel foil and copper foil; the machining device further comprises a laser cutting mechanism, an additive printing mechanism and a welding mechanism. In the working state, the feeding mechanism conveys nickel foil to the laser cutting mechanism, the laser cutting mechanism cuts the nickel foil to form square nickel sheets, and the square nickel sheets are conveyed to the additive printing mechanism through the mechanical arm. The feeding mechanism conveys a copper foil to the welding mechanism, the copper foil is welded to a tab of a square nickel sheet, and then a frame used for supporting a nickel electrodeposition starting sheet is formed through the additive printing mechanism. According to the invention, the function of efficiently processing the nickel electrodeposition starting sheet is realized, and the problems of time consumption, labor consumption and incapability of automation caused by complex procedures such as electrodeposition, stripping, cutting, embossing correction, lifting lug shearing, lifting belt riveting and cleaning on a starting sheet in the existing starting sheet manufacturing process are solved.

The present invention relates to a 3D printer comprising: a vat having an at least partially transparent bottom (1.2) for receiving liquid photoreactive resin for producing a solid component; a building platform (2.1) for pulling the component layer by layer out of the vat; a projector for projecting the layer geometry onto the transparent bottom (1.2); a transport apparatus for moving the building platform (2.1) at least downward or upward in the vat; and a receiving apparatus (2) for detachably connecting the building platform (2.1) to the transport apparatus. The receiving apparatus (2) comprises a pivoting device (2.2) for pivotally holding the building platform (2.1) and is adapted to abut the underside of the building platform (2.1) parallelly onto the transparent bottom (1.2) of the vat when lowered by the transport apparatus, wherein the 3D printer is provided without any means for completely blocking the pivotal movement of the pivotably held building platform (2.1).

To miniaturize a liquid discharge head.SOLUTION: A three dimensional object printing apparatus 1 includes a head unit 3a having a liquid ejecting head 30 that ejects first liquid, a head unit 3b having a liquid ejecting head 30 that ejects the second liquid, and a robot 2 that moves the head unit 3a with respect to a three dimensional workpiece W in a state in which the head unit 3a is mounted and moves the head unit 3b with respect to the workpiece W in a state in which the head unit 3b is mounted, and the head unit 3a and the head unit 3b are attachable to and detachable from the robot 2.SELECTED DRAWING: Figure 1

A consumable assembly for a 3D printer includes a spool carrying wound filament. A 3D printer includes a print head configured to receive filament material and a spool cabinet configured to have a filament spool positioned therein to provide a controlled environment for filament on the filament spool. A dock of the 3D printer is located outside of a chamber of the spool cabinet and is configured to receive a filament key fob, including a spool chip, of the filament spool to maintain the spool chip outside of the controlled environment of the chamber.

A powder container for handling powder in an additive manufacturing process. The container includes a powder vessel with a powder inlet in an upper portion thereof and a powder outlet in a lower portion thereof, a set of n sensors configured to determine a set of n observables, a first actuator configured to drive a first mechanical function of the powder container and optionally—to provide for additional safety as well as versatility a second actuator configured to drive a second mechanical function of the powder container and / or a multi-port connector configured to be connected with a corresponding connector of a powder handling station in an additive manufacturing process.

Additive manufacturing systems and associated methods are disclosed herein. In some embodiments, the additive manufacturing includes a build chamber that has a central portion and a peripheral portion, a support platform positioned in the central portion and a recoater arm movable in a lateral direction over the support platform. While moving, the recoater arm spreads a powder over the central portion during a build. The additive manufacturing system also includes a powder recycling system positioned to redirect excess amounts of the powder during the build. For example, the powder recycling system can include a powder receptacle positioned the second region of the peripheral portion and a recycling element positioned at least partially in the powder receptacle. The recycling element is movable between a first position abutting an overflow space in the powder receptacle to receive the excess powder and a second position closer to the central portion.

The disclosure relates to a method and a device for the production of an optical element from a curable material by using an additive manufacturing technology. According to the disclosure, this method comprises: A—providing a curable material; B—curing said curable material inside sliced outlines (C1) whose geometry are determined according to the geometry of said optical element, said optical element comprising at least: a first volume element (V1) and a second volume element (V2), by forming the first volume element (V1) by irradiating the curable material with at least a first curing surface energy (E1) with a first light depth penetration value within the curable material (Dp1), and forming the second volume element (V2) by irradiating the curable material with at least a second curing surface energy (E2) with a second light depth penetration value within the curable material (Dp2), wherein said second light depth penetration value within the curable material (Dp2) is different from the first light depth penetration value within the curable material (Dp1).

A de-powdering system includes one or more sidewalls defining a support chamber configured to contain an additive manufacturing build where the additive manufacturing build includes one or more objects disposed within a powder build material. A fluidization mechanism is fluidically couplable to a fluid source and includes one or more flow channels fluidically coupled to the support chamber. The fluid source is actuatable to provide a fluid from the fluid source to the support chamber and inject the fluid into the support chamber via the one or more flow channels. The one or more flow channels are oriented to introduce a swirling flow of the fluid into the support chamber to fluidize at least a portion of the powder build material within the support chamber.

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.

The invention relates to a powder bed fusion additive manufacturing system (1) comprising a build chamber (2) extending along a vertical axis (Z) and a removable container (10) which can be inserted into the build chamber (2) in a manufacturing configuration and removed from the build chamber (2) in a powder removal configuration, the removable container (10) comprises a side wall (20) extending along a vertical axis (Z) and a bottom wall (30) movable within the side wall (20) along the vertical axis (Z), the bottom wall (30) comprising a perforated first wall (31) having a first aperture (33), the first aperture (33) being closed in a manufacturing configuration and opened in a depowdering configuration.

In example implementations, a method is disclosed. The method includes dispensing a layer of an optically clear build material, dispensing a fusing agent onto a first portion of the layer of the optically clear build material, dispensing an invisible fluorescence compound on a second portion of the layer of the optically clear build material, and applying ultraviolet (UV) light to the layer to fuse the first portion and the second portion of the optically clear build material that received the fusing agent and the invisible fluorescence compound. The invisible fluorescence compound is to print an embedded feature in the layer that is invisible under a first light and visible under a second light.

The invention belongs to the technical field of additive manufacturing, and discloses a method and device for improving 3D printing quality, the device is used for being matched with an FDM 3D printing system, the device comprises a printing platform (4), a containing cavity (5), a temperature control system, an annular ultrasonic auxiliary system (3), a liquid circulation system and an infrared liquid level detector (8), and the containing cavity (5) is provided with an ultrasonic generator (53); the annular ultrasonic auxiliary system (3) comprises an annular support (31), an ultrasonic array module (32), a spray header module (33) and a lifting mechanism (34). According to the 3D printing device, the assemblies are improved, and 3D printing can be effectively improved through the overall arrangement of the containing cavity, the temperature control system, the annular ultrasonic auxiliary system, the liquid circulation system and the infrared liquid level detector. The device is flexible in structure, high in synchronism and excellent in local treatment capacity, and the surface smoothness and structural integrity of the FDM 3D printing piece can be remarkably improved.

An automated de-powdering system includes a build box defined by a build plate and a plurality of sidewalls where the build plate and the plurality of sidewalls define a build chamber configured to contain an additive manufacturing build comprising one or more objects disposed within a powder build material. The build plate includes at least one passageway extending from a top side to ae bottom side of the build plate. The passageway is defined by at least one passageway sidewall having at least one nozzle to direct a fluid into the build chamber to separate at least a portion of the powder build material from the one or more objects. At least one fluid source is fluidically coupled to the at least one nozzle and is actuatable to supply the fluid to the at least one nozzle.

A material changing mechanism and 3D printing system for a 3D printer are disclosed. The material changing mechanism includes: a support frame; a material guiding unit mounted on the support frame, the material guiding unit including multiple sub-material guiding tubes and material guiding ports communicating with the multiple sub-material guiding tubes, the material guiding ports being used to engage with the main feed tube of the 3D printer; and multiple material changing units mounted on the support frame. This allows for the automatic provision of multiple feed lines to the 3D printer according to printing needs and facilitates easy replacement of the feed tray.