3409results about "Manufacturing platforms/substrates" patented technology

A method for producing a textile material, such as a shoe upper, including providing a shaping carrier, such as a last; providing a plasticizing unit for melting a polymer composition to provide a molten polymer composition; providing a depositing unit with a dosing head which includes at least one nozzle; applying the molten polymer composition via the at least one nozzle on the shaping carrier in a filament forming a plurality of loops on the shaping carrier. The depositing unit and / or the shaping carrier are in a first movement moved relative to each other such that the at least one nozzle moves along a drive path which runs on the shaping carrier. During forming each loop, the dosing head and / or the at least one nozzle is moved in a second movement along a loop depositing path with a path length such that the length of each loop formed on the carrier is larger than the path length of the depositing path.

A nozzle embedded type 3D printing device for a thermosetting wood-plastic composite material belongs to the technical field of 3D printing, and comprises a rack, and an extrusion movement mechanism, a powder laying mechanism, a powder bed mechanism, a printing platform movement mechanism and a binder feeding system which are arranged on the rack, and the extrusion movement mechanism is fed through the feeding system. The printing efficiency of existing printing equipment can be improved, the manufacturing and maintenance cost of the existing equipment is reduced, the accuracy and consistency of a printing structure are ensured, and printing of a high-precision complex structure is achieved; the provided equipment combines the advantages of extrusion type printing equipment and a powder bed structure, the requirement of single extrusion printing for the formability of extruded materials is met, controllable printing of large-flow, high-viscosity and large-layer-thickness printing shapes and precision is achieved, the equipment is suitable for various types of binder materials, the variety and size range of powder bed materials is large, and the equipment is suitable for large-flow, high-viscosity and large-layer-thickness printing. And the rapid part forming machining requirements of wide material application range, large forming size and high part strength are met.

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.

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 invention discloses a release film inside and outside stripping type three-dimensional printer which comprises a workbench and a material pump, a transmission mechanism is installed on the workbench, a printing platform is installed on the transmission mechanism, a liquid guide hole is formed in the printing platform, a release film of a material groove divides the material groove into an air bin and a material bin, the air bin is filled with air, and the material bin is filled with material. Photosensitive resin is contained in the stock bin, the material pump is used for introducing the photosensitive resin in the stock bin into the demolding hole of the model through the liquid guide hole, and the release film and the model form an internal and external bidirectional stripping mode in combination with the adjustment of the pressure of the gas bin. The invention further discloses a three-dimensional printing method. The photosensitive resin in the trough is injected into the demolding hole of the model through the material pump, so that the release film is separated from the model from the inner direction and the outer direction of the model, and the stripping speed and the printing speed of the release film are increased.

A high throughput, efficient, and simplified unloading and packaging systems and methods for large-scale production of pharmaceutical units (104) using additive manufacturing. The systems and methods may unload, inspect, package, and trace pharmaceutical units, produced by an additive manufacturing system (900), that are not damaged or deformed. The unloading and packaging system can include one or more unloading and packaging devices (100). The unloading and packaging device can include a modular configuration having modules. Individual modules to be arranged in any relative order, at any location, and with any number in the unloading and packaging device. The flexibility of the modular configuration allows one or more modules to be removed or added at any given time due to, e.g., expansion, downsizing, module repair, module upgrades, etc. High throughput can be achieved by operating unloading and packaging devices independently.

A device for the lithography-based additive manufacturing of three-dimensional structures on a substrate, comprises a carrier element for carrying a substrate having a curved surface, a light engine designed for the dynamic patterning of light in an exposure field of said light engine, a material transport unit comprising a first drive means for transporting a material layer across the exposure field, second drive means for causing rotational movement of the substrate having the curved surface such as to establish a rolling contact of the curved surface on the material layer in a contact zone, said contact zone being arranged in the exposure field, and first control means configured to control said first and / or second drive means so that said rolling contact of the curved surface on the material layer is essentially slip-free.

The invention provides multi-material continuous fiber 3D printing high-precision forming equipment which is composed of a device frame, a moving mechanism, a printing mechanism, a lifting control mechanism, an auxiliary heating smooth forming mechanism and an electric heating system. Self-adaptive slicing is carried out according to the curvature of the classification model, and slices are divided into slice sets A, B,..., and are transmitted to respective printing systems; and the printing system corresponding to each slice carries out layer-by-layer printing according to slice information, and heating balls carry out continuous smoothing treatment on the surface while the layer is printed. And after the single-layer printing is finished, the balls are processed to keep a smooth state. By means of the device and method, highly-integrated multifunctional parts can be achieved, the design freedom degree is provided, the manufacturing process is simplified, the cost is reduced, use of materials can be optimized, the performance and light weight of parts are enhanced, and multi-material development of composite material 3D printing is promoted.

The invention discloses a multi-material 3D printing device based on a photo-thermal coupling effect and a forming method of the multi-material 3D printing device, and relates to the field of additive manufacturing. The light source device is a semicircular convergent photo-thermal emitting device, 360-degree light source irradiation can be achieved, and illumination is uniform. After the slurry is extruded, the ultraviolet curing process can be immediately carried out, and the phenomenon that a printed entity collapses due to the influence of gravity factors caused by untimely light source irradiation can be obviously reduced. By adjusting the frequency and duty ratio of the light source, the temperature and illumination intensity of the slurry in the extrusion device are adjusted, so that the slurry is easier to extrude and form, and the formation of a hyperfine structure is realized; and a multi-axis moving platform is adopted, so that multi-angle complex structural parts can be easily formed. The extrusion device is used as a core, and high integration of the printing device is achieved. The printing efficiency is greatly improved, ultrahigh-precision and ultrahigh-height printing of a complex structure is achieved, and the problems of collapse caused by gravity factors and difficulty in forming a high-precision structural part are solved.

Methods and systems are disclosed for apparel assembly using three-dimensional printing directly onto fabric apparel materials. Disclosed is a method and system for direct three-dimensional printing and assembly of an article of apparel, including designing a three-dimensional pattern for printing, positioning at least a portion of the article on a tray in a three-dimensional printing system, the portion being positioned substantially flat on the tray, printing a three-dimensional material directly onto the article using the designed pattern, curing the printed material, and removing the article from the three-dimensional printing system.

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 disclosure provides an object shoveling mechanism, a 3D printer and a 3D printing method, and relates to the technical field of printing. The object shoveling mechanism is applied to the 3D printer. The 3D printer includes a forming platform, provided with a forming surface. The object shoveling mechanism includes an object shoveling assembly and an object receiving assembly, wherein the object shoveling assembly includes a shoveling tool and an object shoveling driving assembly, the shoveling tool being configured to strip a printed object from the forming surface, and the object shoveling driving assembly being configured to drive at least one of the shoveling tool and the forming platform, so that the shoveling tool and the forming platform move relatively to strip the printed object from the forming surface through the shoveling tool; and the object receiving assembly includes a carrying element and an object receiving driving assembly, wherein the carrying element is provided with an object receiving position and configured to receive the printed object remove from the forming surface at the object receiving position, and the object receiving driving assembly is configured to drive the carrying element to move to the object receiving position. According to the object shoveling mechanism, the printer may operate unattended, the labor cost is reduced, and the printing efficiency is 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.

Provided in the present application are an image collection device calibration method and apparatus applied to a 3D printer. An image collection device is fixed on a nozzle of a 3D printer. The method comprises: acquiring first coordinates of at least one target point in a world coordinate system, second coordinates of a printing nozzle in the world coordinate system when an image collection device collects a two-dimensional image or a three-dimensional point cloud which comprises the at least one target point, and third coordinates of the at least one target point in an image coordinate system corresponding to the two-dimensional image or a camera coordinate system corresponding to the third-dimensional point cloud, wherein the at least one target point is a point in a calibration pattern printed by the printing nozzle; and determining extrinsic parameters of the image collection device according to the first coordinates, the second coordinates and the third coordinates, so as to calibrate the image collection device, wherein the extrinsic parameters comprise a translation vector between the image collection device and the printing nozzle. By means of the image collection device calibration method and apparatus provided in the embodiments of the present application, an image collection device can be accurately calibrated.

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.

A five-axis 3D printer can include a tilting-rotating bed, and a print head that can be moved relative to the tilting-rotating bed in three orthogonal directions. In some embodiments, printers with tilting-rotating beds can utilize unique or uniquely adapted components and processes for printing processes and associated processes, such as calibration techniques. In some embodiments, these processes may leverage the unique features and advantages provided by such printers. In some embodiments, these processes may address or compensate for potential issues unique to such printers.

The invention belongs to the technical field of 3D printing, and particularly relates to a 3D printing electric heating platform and a 3D printer, the 3D printing electric heating platform comprises a support and a platform main body, the platform main body is provided with an electric heating unit, and the platform main body further comprises a preheating auxiliary mechanism; the preheating auxiliary mechanism comprises a plurality of gas storage chambers rotationally arranged on the support; the piston piece is movably inserted into the air storage chamber; the rotating shaft is rotationally arranged at the opening; the heat insulation plate and the heat conduction plate are fixedly connected to the rotating shaft; the preheating auxiliary mechanism is arranged, the air storage chamber is used for collecting heat dissipated in the cooling process of the platform body, the piston piece is matched, stored hot air is sprayed out to the platform body for preheating, the preheating time is shortened, the preheating efficiency is improved, the situation that heat energy is wasted in vain is improved, the working time is shortened, and the energy consumption is reduced. And the use cost is saved.

A method includes curing a photopolymer resin disposed between a first build surface and a flexible film layer to form a print layer of a printed part. Here, the print layer of the printed part defines a second build surface attached to the flexible film layer. The method also includes translating a peeling mechanism between the second build surface and the flexible film layer to detach the flexible film layer from the second build surface.

A method of forming a three-dimensional object (31) includes the steps of: (a) providing an apparatus including a carrier (15), a light transmissive window (12) having a build surface, polymerizable liquid (21) on the build surface, and a growing object (31) on the carrier, the growing object produced by light polymerization of the polymerizable liquid; (b) vertically reciprocating the carrier (15) with respect to the build surface in an upstroke and a downstroke, the downstroke being shorter than the upstroke, to form a build region between the growing object and the build surface, and to fill the build region with the polymerizable liquid, while also: (i) sensing force exerted between the carrier and the build surface through the growing object (31) and the polymerizable liquid (21) during the upstroke; and (ii) modifying the speed, acceleration, or both speed and acceleration of the upstroke in response to the sensed force so that the sensed force approaches a predetermined target force; then (c) irradiating the build region with light through the light transmissive window to form a new portion of the object from the polymerizable liquid on the growing object; and then (d) repeating steps (b) through (c) to form additional portions on the growing object until the three-dimensional object is formed.

The embodiment of the invention provides 3D printing equipment which comprises a nozzle assembly and a forming platform and further comprises a portal frame, a first driving assembly and a second driving assembly. The portal frame comprises a frame, a connecting structure and a positioning structure which are integrally formed or detachably arranged, and the frame is used for supporting the portal frame; the first driving assembly is mounted on the connecting structure, and the first driving assembly is used for driving the nozzle assembly; the second driving assembly is installed on the positioning structure and used for driving the forming platform.

Disclosed herein are high throughput, efficient, and simplified unloading and packaging systems and methods for large-scale production of pharmaceutical units using additive manufacturing. The disclosed systems and methods may unload, inspect, package, and trace pharmaceutical units, produced by an additive manufacturing system, that are not damaged or deformed. The unloading and packaging system can include one or more unloading and packaging devices. The unloading and packaging device can include a modular configuration having modules. Individual modules to be arranged in any relative order, at any location, and with any number in the unloading and packaging device. The flexibility of the modular configuration allows one or more modules to be removed or added at any given time due to, e.g., expansion, downsizing, module repair, module upgrades, etc. High throughput can be achieved by operating unloading and packaging devices independently and in parallel.

Support structures are used in certain additive fabrication processes to permit fabrication of a greater range of object geometries. For additive fabrication processes with materials that are subsequently sintered into a final part, an interface layer is formed between the object and support in order to inhibit bonding between adjacent surfaces of the support structure and the object during sintering.

The invention provides a device for multi-material photo-curing additive manufacturing, and belongs to the technical field of photo-curing additive manufacturing, the device comprises a workbench, the workbench is provided with a lifting column and a printing platform, the printing platform is connected with the lifting column, the lifting column can drive the printing platform to ascend and descend, and the printing platform is used for bearing a printing blank; the number of the printing cleaning assemblies is at least two, each printing cleaning assembly comprises a slurry table and a cleaning table, each slurry table is provided with a slurry groove, and each cleaning table is provided with a cleaning groove; all the printing cleaning assemblies are connected with the moving assembly, and the moving assembly is used for driving all the printing cleaning assemblies to move and enabling the printing platform to be located above any one of the slurry tables or above any one of the cleaning tables. The photocuring additive manufacturing device has the beneficial effects that printing of multiple materials can be achieved through the same photocuring additive manufacturing device, and meanwhile interface pollution of dissimilar materials is prevented.

The invention discloses eyelash cutting equipment and a manufacturing process, and relates to the field of eyelash processing technology.The eyelash cutting equipment comprises a rack, a printing platform, a laser printer and a feeding wheel, the feeding wheel, the printing platform and the laser printer are all located at the upper end of the rack, and the printing platform is located between the laser printer and the rack; a shaping device is arranged at the upper end of the rack and used for shaping materials, a separating device is arranged at the upper end of the rack and used for separating the shaped materials, a supporting plate is arranged on the side, away from the feeding wheel, of the printing platform, the supporting plate is arranged in the length direction of the printing platform, and a residual piece collecting roll and a base plate collecting roll are rotationally connected to the supporting plate. The residual piece receiving roll and the base plate receiving roll are both arranged perpendicular to the supporting plate, the residual piece receiving roll is located between the base plate receiving roll and the feeding wheel, the outer sides of the residual piece receiving roll and the base plate receiving roll are provided with adhesive tapes easy to tear in the axial direction, and a driving device is arranged on the supporting plate. The eyelash production device has the effect of improving the eyelash production efficiency.

A system is provided that includes a dynamic molding bed assembly. The dynamic molding bed assembly includes a table frame, a passive rod assembly, an actuator and a controller. The passive rod assembly includes a plurality of rods, wherein each individual rod of the plurality of rods is independently adjusted to change a stroke length position relative to the table frame. The actuator couples to at least one individual rod of the plurality of rods to adjust the stroke length position of the at least one individual rod of the plurality of rods based on control instructions. The controller generates the control instructions to adjust the stroke length position and activates the passive rod assembly to secure at least one individual rod of the plurality of rods to the stroke length position.

A three-dimensional printing device for printing one or more three-dimensional products. The 3D printing device comprises a print surface configured to support the printing of the one or more 3D products, a frame arranged at a distance above the print surface, wherein the frame is oriented in a first plane substantially parallel to the print surface, a printing head comprising a printing nozzle configured for dosing the build material on the print surface or on a previous layer in a dosing direction to print the one or more 3D products in a series of layers, wherein the printing nozzle is arranged to extend at an acute internal angle measured between the print surface and the dosing direction, and wherein the printing head is movably coupled to the frame such that the printing head is movable along the first plane with respect to the print surface and wherein the print head is movable in a vertical direction with respect to the print surface, a controller configured to control a movement of the printing head along the first plane and / or in the vertical direction.

The utility model discloses an automatic leveling platform of a printer, which relates to the technical field of 3D (three-dimensional) printers and comprises a supporting platform, a leveling component is arranged on the bottom surface of the supporting platform, a movable component is arranged on each end surface of the supporting platform, and a detachable component is arranged on the top surface of the supporting platform. The mounting base is correctly mounted on the 3D printer, after mounting is completed, water with the same volume is input into the transparent pipes, the floating blocks float, the infrared sensors and the infrared emitters are kept horizontal, and due to the arrangement of the U-shaped base, the bearing and the mounting shaft, the transparent pipes on the sleeve frame rapidly change angles under the action of gravity through the balancing weights, so that the transparent pipes are prevented from falling off. At the moment, if the supporting platform is not in a horizontal state and the values of the miniature height sensors are different, the PLC drives the electric push rods to conduct correction, and when the infrared sensors are adjusted to continuously receive infrared rays emitted by the infrared emitters, the PLC drives the electric push rods to stop, so that leveling is completed.

The invention relates to the technical field of false tooth machining, and provides false tooth 3D printing forming equipment and a false tooth machining method.The false tooth 3D printing forming equipment comprises a feeding system and a forming system and further comprises a printing box, a printing frame, a printing position adjusting mechanism with a self-locking function, a hollow material carrying plate, a material taking power assembly and a preheating assembly; a processing box door is detachably arranged on one side of the printing box in a sealed mode, the printing frame is arranged on the inner bottom wall of the printing box, the feeding system is installed on the printing frame, the printing position adjusting mechanism is installed on the printing frame, the forming system is installed on the printing frame and communicates with the feeding system, and the hollow material carrying plate is arranged on the printing frame in a sliding mode. A material taking baffle is arranged on one side of the hollow material carrying plate. By means of the technical scheme, the problem that in the prior art, when false teeth are machined through false tooth 3D printing forming equipment, the false teeth are heated unevenly, and consequently the false teeth deform is solved.