1370results 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.

According to the pull-up type photocuring 3D printer, an outer ring of a slewing bearing is fixed to a workbench, a lifting pipe is engaged with the inner side of an inner ring in a threaded mode, and the lifting pipe can only move in a reciprocating mode in the vertical direction; the sleeve is fixed on the outer ring, the trough is meshed on the outer ring in a threaded manner, and the guide rod on the inner ring is arranged in a guide hole of the trough in a sliding and penetrating manner; when the inner ring rotates, the material groove reciprocates between the first working position and the second working position, and the lifting pipe reciprocates between the third working position and the fourth working position. When the material groove is located at the first working position and the lifting pipe is located at the third working position, printing work can be conducted; and when the material groove is located at the third working position and the lifting pipe is located at the fourth working position, the release film and the product model on the printing platform are in a separated state. The invention further discloses a photocuring 3D printing method. The vertical moving distance and speed of the printing platform are reduced through descending of the material groove, abrasion of the ball screw and the screw nut is reduced, and the service life of equipment is prolonged.

A top-down 3D printer includes a workbench, a light device, a second drive mechanism, a scraper, a printing platform, a resin vat and a liquid level adjustment mechanism. An output end of the first drive mechanism is connected to the printing platform, the first drive mechanism is configured to drive the printing platform to move up and down, an output shaft of the second drive mechanism is connected to the scraper, the second drive mechanism is configured to drive the scraper to move up and down in the height direction of the workbench and drive the scraper to rotate around the output shaft of the second drive mechanism the laser displacement sensor is configured to monitor a liquid level of resin in the resin vat, and the liquid level adjustment mechanism is configured to feed resin to or extract resin from the resin vat.

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.

A hollow shaft torque motor of the photocuring 3D printer comprises a rotor, a stator and a hollow shaft, and the stator is fixed to a workbench; the lifting pipe is in threaded engagement with the hollow shaft, and the lifting pipe can only reciprocate in the vertical direction; the sleeve is fixed on the stator, the trough is engaged on the sleeve in a threaded manner, and the guide rod on the hollow shaft is slidably arranged in the guide hole of the trough wall in a penetrating manner; when the rotor rotates, the trough reciprocates between the first working position and the second working position, and the lifting pipe reciprocates between the third working position and the fourth working position. When the material groove is located at the first working position and the lifting pipe is located at the third working position, printing is conducted; and when the material groove is located at the third working position and the lifting pipe is located at the fourth working position, the release film is separated from the product model. The invention further discloses a photocuring 3D printing method. The moving distance and speed of the printing platform are reduced through descending of the material groove, abrasion of the ball screw and the lead screw nut is reduced, and the service life of equipment is prolonged.

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.

A powder spreading device includes a device body, an adjustment assembly, and a dust removing mechanism. The adjustment assembly is provided on the device body. The adjustment assembly is configured to orient to a powder spreading surface. A first end of the dust removing mechanism is provided on the device body. The first end of the dust removing mechanism is covered over the adjustment assembly. A second end of the dust removing mechanism is communicated to the first end of the dust removing mechanism. The second end of the dust removing mechanism is configured to extend to the device body. A three-dimensional (3D) printing device and a 3D printing system are further provided.

The stock bin comprises a shell, a base, a draught fan and a heating piece, the base is contained in the shell and provided with a base area, the base comprises a supporting shaft used for supporting a material disc, the area below the plane penetrating through the axis of the supporting shaft and parallel to the bottom wall of the shell is the base area, and the material disc is placed in the base area; an airflow cavity is formed between the base and the bottom wall of the shell, the base is provided with a first air hole and a second air hole, and the first air hole and the second air hole are formed in the annular direction of the tray at intervals and communicate with the base area and the airflow cavity correspondingly; the draught fan and the heating piece are contained in the airflow cavity, the draught fan is arranged close to the first air hole, and an air outlet of the draught fan faces one side of the second air hole. According to the stock bin, the problem that the effect of drying the trays in an existing 3D printing feeding device is poor can be solved.

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.

Systems and methods for providing inert manufacturing and processing environments. In certain embodiments, a build box having green parts that were manufactured via binder jetting additive manufacturing is sealed with a lid and heat cured in an oven. A supply of process gas is delivered to the build box to provide an inert environment within the build box during the heating process, which results in an exhaust of gaseous species from the build box and prevents contamination from the ambient environment. In certain embodiments, copper-alloy parts are manufactured via binder jetting additive manufacturing in an inert environment to achieve higher final densities after post-processing and sintering.

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.

A method and system for tensioning film tank in a liquid photopolymer container designed for use in a stereolithography (SLA) additive fabrication device is disclosed. The liquid photopolymer container comprises a tank frame, a film clamp that attaches to the tank frame and secures a film between the clamp and the tank frame, and a film positioned between the clamp and the bottom surface of the tank frame. The film clamp and the tank frame include raised-features and recesses that mate together to increase the grip on the film.

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.

A powder dispensing apparatus for dispensing a powder, comprising: a dispensing chamber 14 for dispensing a predetermined volume of powder to a receptacle 16; an inlet valve 24 movable between a close

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

The invention discloses an adsorption type multi-material additive material powder laying system and method based on a micropore array. The powder laying system comprises a forming chamber, a powder supply device, a powder laying device and a powder scraping device. A forming platform is arranged in the forming chamber; the powder laying device comprises a mesh screen, a vacuum pump and a powder falling mechanism, powder particles can be evenly adsorbed to the periphery of the mesh screen through cooperation of the mesh screen and the vacuum pump, the powder particles cannot penetrate through micropores to enter the mesh screen, the micropores cannot be completely covered, airflow can still pass through gaps between the micropores and the powder particles, and the powder falling mechanism is more uniform in powder falling. When the powder is laid, the powder particles on the periphery of the mesh screen are laid on the forming platform through the powder falling mechanism, so that more powder particles can be continuously adsorbed, part of the powder particles are scraped off through the powder scraping device, the thickness of the powder adsorbed on the periphery of the mesh screen is accurately controlled, and during powder laying, the powder particles on the periphery of the mesh screen are laid on the forming platform through the powder falling mechanism, so that various powder materials can be uniformly and accurately laid in corresponding areas; the problem that different kinds of powder are accurately laid in one layer is solved, and XY plane multi-material additive manufacturing is achieved.

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.