2386results 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.

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.

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.

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.

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 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.

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.

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.

A manufacturing device for manufacturing an object in layers includes at least one transfer platform with a transfer platform surface, at least one application unit configured to apply at least one treatment layer and at least one material layer which together form a pre-material layer of the object, to the transfer platform surface, wherein the pre-material layer extends at least in a first direction (x) and / or in a second direction (y), and a construction platform configured to receive at least the at least one material layer of the pre-material layer from the transfer platform so that the object is manufactured in layers on the construction platform in a third direction (z).

A reconfigurable printing bed device for additive manufacturing or three dimensional (3D) printing includes a reconfigurable printing bed defining a surface configured to receive a deposited material. The bed includes a lattice component comprising a plurality of connected cells each having an open region. The bed includes a flexible elastomeric polymer disposed with the open regions to define a flexible mat. A plurality of actuatable pins is disposed beneath the bed. Each pin is connected to a location on the reconfigurable printing bed to translate it to a predetermined position so that the reconfigurable printing bed is capable of defining a structure having at least a single curvature. Methods of additive manufacturing on such a dynamic reconfigurable printing bed are also contemplated. After passing through a 3D printing extruder, the flowable material may be deposited onto a surface of a reconfigurable printing bed where it hardens as a printed structure.

Automatic unloading mechanism, characterized in that it includes: a print platform assembly comprising a print platform, a drive belt arranged on the print platform, and a first drive element geared to the drive belt, wherein the first drive element is configured to drive the drive belt to move a model in a first direction; and An unloading assembly comprising a locking bar and a second drive element geared to the locking bar, wherein the second drive element is configured to drive the locking bar to move to a first position to avoid the model, so that the model is moved by the drive belt in the first direction, or to drive the locking bar to move to a second position to prevent the model from being moved by the drive belt in the first direction, so that the model is unloaded from the print platform assembly.

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 3D printer configured to print a 3D part includes an ejector having a nozzle that is configured to eject drops of a build material. The 3D printer also includes a build plate positioned below the nozzle. The drops land and solidify on the build plate to form at least a portion of the 3D part. The 3D printer also includes a first heater positioned under or within the build plate. The first heater is configured to heat the build plate and the 3D part thereon. The 3D printer also includes a second heater positioned laterally-offset from the build plate. The second heater is configured to heat a volume of air between the nozzle and an upper surface of the 3D part. The 3D printer also includes an enclosure. The nozzle, the build plate, the first heater, and the second heater are positioned at least partially within the enclosure.

Embodiments of the present disclosure provide an apparatus, a system, and a method. The apparatus is configured to depowder and extract one or more printed parts prepared by a three-dimensional (3D) printer. The apparatus includes an elevated frame, a perforated plate, a movable unit, a lifting-lowering mechanism, a depowdering unit, and at least one gripper. The elevated frame is configured to receive fully raised at least one 3D printed layer and partially raised at least one powder layer. The movable unit is engaged to a front end portion of the perforated plate and adapted to move longitudinally along with the perforated plate, within the elevated frame. A connecting member of the movable unit is adapted to be positioned in front of the front end portion. At least a portion of the connecting member transversely slides within the partially raised at least one powder layer.

The utility model discloses a self-cleaning 3D printing platform, including a workbench, the upper surface of the workbench is provided with a mounting opening, two square rods are fixedly connected in the mounting opening, one side of the two square rods is provided with a first sliding opening, a convex plate is slidably connected in the first sliding opening, a support plate is fixedly connected on the top of the convex plate, one side of the workbench is provided with an interlocking assembly for fixing the support plate, the top of the support plate is provided with two second sliding openings, two I-shaped sliders are slidably connected in the two second sliding openings, and the tops of the two I-shaped sliders are fixedly connected with a U-shaped plate. The utility model can not only realize the self-cleaning of the 3D printing platform, without the need for manual cleaning by the staff, saving time and improving efficiency, but also enables the scraper to better clean the residue on the surface of the support plate, improving the cleaning effect, and can also facilitate the removal of the printed objects, improving the convenience of using the 3D printing platform.

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 belongs to the related technical field of composite material additive manufacturing, and discloses a continuous fiber composite material 3D printing process parameter optimization method and system.The method comprises the steps that a first sample set is constructed, and samples in the first sample set are combinations of printing parameters and corresponding printing quality indexes and printing efficiency indexes; constructing a prediction model: training the prediction model by using a first sample set to obtain the trained prediction model; and parameter optimization: aiming at comprehensive optimization of the printing quality index and the printing efficiency index, optimizing the combination of the printing parameters by using a multi-objective optimization algorithm based on the trained prediction model to obtain the optimized printing parameter combination. According to the method, parameter optimization can be dynamically carried out in real time in the printing process, the printing parameter combination with the optimal comprehensive performance can be obtained in the printing process, and the optimization efficiency and the optimization effect of a traditional optimization method are effectively improved.