1105results about "Manufacturing driving means" patented technology

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.

Method for forming a three-dimensional object by successively melting applied powder, the method comprising the following steps: a. Providing at least one powder container containing powder to be used for forming the three-dimensional object, b. Providing a predetermined amount of powder on a support structure, c. Directing an energy beam over the support structure, causing at least one section of the powder to sinter and at least one section of the powder to bond with the support structure, d. Directing an energy beam over the support structure, causing the powder to melt in selected areas according to a model to form a first section of the three-dimensional object, characterized in that the method further comprises the following steps: e. Rotating the support structure around an axis of rotation to create the three-dimensional object, which is built layer upon layer in a radial direction with reference to the axis of rotation.

A three-dimensional (3D) object production process comprising providing a thermoset printing apparatus comprising a mixing chamber to receive and mix at least a first reactive component and a second reactive component to provide a thermosetting material, an extrusion nozzle to deliver the thermosetting material to form a 3D object, at least one actuator coupled to the extrusion nozzle to move the extrusion nozzle when delivering the thermosetting material to form the 3D object, and a controller comprising one or more processors and coupled to the extruded thermoset printing apparatus, and depositing the thermosetting material to form the 3D object, wherein the depositing comprises depositing a first layer of thermosetting material and depositing an at least second layer of thermosetting material, wherein the beads of thermosetting material in the at least second layer are offset from the beads of thermosetting material in the first layer.

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.

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 relates to a 3D printing device with a dispensing needle head capable of rotating by 360 degrees without limitation and a printing head, and solves the technical problems that in the printing process of existing equipment for carrying out multi-material 3D printing on fibers and glue solutions, electric wires and air pipes are likely to be twisted or wound, and rotation by 360 degrees or above cannot be achieved. The 3D printer comprises an X-axis direction linear module, a Y-axis direction linear module, a Z-axis direction linear module, a platform and a printing head, the printing head comprises a vertical supporting plate, a fixing plate, a wire feeding device connecting plate, a rotating cylinder connecting plate, a pneumoelectric slip ring support, a rotating arm, a wire feeding device, a rotating arm rotation driving motor, a pneumoelectric slip ring, a pipeline, a pipeline fixing plate, an outer cylinder, a connecting sleeve, an upper bearing, a lower bearing, a driving gear, a driven gear, a fiber output needle and a dispensing needle connecting arm rotation driving motor. The device comprises a small synchronous pulley, a synchronous belt, a large synchronous pulley, a dispensing needle connecting arm, a dispensing needle, a rotary hollow shaft, a glue tube and a glue injection cylinder. The method is widely applied to the technical field of multi-material 3D printing.

The utility model discloses a 3D (three-dimensional) printing integrated manufacturing device, which is characterized in that a printing switching driving mechanism is used for switching a material attached in a material containing groove in a working state through a printing switching driving mechanism to form a forming curing layer through photocuring, so that different surface models of an integrated carrying platform can be constructed, namely, different working surfaces of 3D components can be subjected to 3D printing. And integrated and one-time printing construction is realized.

A 3D printing rover system for on-site additive manufacturing, consisting of: a mobile chassis that supports the structure of the rover system and facilitates the movement of the rover system through terrain; a robotic arm with a 3D printing extruder configured for layer-by-layer additive manufacturing; a material storage and delivery system configured to store and feed printing materials to the 3D printing extruder; a control system with autonomous operating functions configured to: receive real-time feedback about the environment, Adjust print parameters independently and Navigate and position the rover for optimal printing locations; a sustainable energy system configured to provide continuous energy for the operation of the rover system; and a thermal management system that is operatively linked to the control system and regulates the temperature of key system components to ensure smoother operation.

The invention relates to the technical field of 3D printing, in particular to a 3D printer nozzle motion control method, which can obtain an original printing track, and adopts a five-point Bezier curve to carry out smooth transition processing on corners between adjacent track sections; generating a speed plan of the nozzle in the smooth trajectory, wherein the speed plan comprises an acceleration stage, a uniform acceleration stage, a constant speed stage, a uniform deceleration stage and an acceleration and deceleration stage; calculating a speed plan of an E axis in direct proportion to the speed plan of the nozzle; and according to the speed plan of the spray head and the speed plan of the E axis, the 3D printer is controlled to execute 3D printing along the smooth track, and synchronous movement of the spray head and the extruder is achieved. It can be understood that according to the technical scheme shown by the invention, the corner is smoothed, the direction of the spray head cannot change suddenly, five-section speed planning is adopted, the acceleration of the spray head changes smoothly, meanwhile, the E axis and the speed of the spray head are coordinated, and the precision and efficiency of 3D printing are improved.

An extrusion head is provided for additive manufacturing of a product, preferably based on the fused filament fabrication method. The extrusion head is arranged within a mounting structure, and a convection shield is provided between the extrusion head and the mounting structure.

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 powder bed heating, and discloses a powder bed heating method of additive manufacturing equipment, the powder bed heating method of the additive manufacturing equipment is realized based on a powder bed heating unit of the additive manufacturing equipment, and the powder bed heating unit of the additive manufacturing equipment comprises a handle bottom plate for providing a basic mounting platform for the whole device; a push-pull type local heating design is adopted for the device, a traditional overall preheating mode is replaced, energy consumption and the equipment use cost are greatly reduced, meanwhile, heat loss is reduced, the heating efficiency is improved, and through cooperation of double positioning and a real-time temperature control system, the energy-saving and environment-friendly effects are achieved. The accurate position of the heating unit is guaranteed through mechanical limiting and sensor detection, high-precision temperature control adjustment is matched, it is guaranteed that the temperature of the powder bed is stabilized within the preset range, part defects caused by temperature fluctuation are avoided, and the forming quality and the mechanical property stability of workpieces are remarkably improved.

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 3D printing system build material supply unit includes a tray with an opening that defines a spreading plane in which a recoater spreads build material. A double vane is rotatably mounted inside the tray with the rotation axis extending along the tray below the spreading plane and with each vane having convex front and rear sides. A controller controls rotation of the double vane such as to supply a dose of build material with the front side of one vane to the spreading plane by rotating the double vane into a trimming position in which the front side of the one vane approaches the spreading plane such that the dose of build material is enclosed between the front side of the vane and the spreading plane. Excess build material to be trimmed by the recoater accumulates on the other vane rear side and is lowered into the tray.

The invention relates to the technical field of micro-lens array printing, provides a method for preparing a high-precision micro-lens array in a liquid environment and a manufacturing system, and can realize preparation of the high-precision micro-lens array in the liquid environment through a printing technology of generating liquid drops through constrained interface vibration. An X-axis motion platform, a Y-axis motion platform and a Z-axis motion platform are used for controlling a piezoelectric ceramic spray head to generate liquid drops in carrier liquid in a carrier liquid container through interface vibration, the liquid drops are sequentially printed on micro lenses to form the micro lens array, the micro lens array with the editable size can be manufactured through the method, and extremely high stability is achieved. The preparation environment of the micro-lens array is changed, liquid drops can be effectively protected by carrier liquid in the printing process, the problems that volatilization occurs when a volatile printing material is used, the shape of the micro-lens is affected by airflow in the preparation process and the like can be avoided or relieved, and the manufacturing process of the micro-lens array is more stable.

The present document relates to a dispensing head for continuous fiber reinforced fused filament type additive manufacturing. The dispensing head is configured for dispensing a material onto a substrate carrier platform, and comprises one or more inlets for receiving a strand of meltable solid material and a reinforcement fiber and a material passage extending from the receiving inlets to a dispensing outlet. The dispensing head further comprises a material heating unit for liquefying the material and drive means for driving the material through the material passage. The material heating unit comprises a solid radiation body extending from the dispensing outlet at least in a direction parallel to the substrate carrier platform, defining a radiation face toward the substrate carrier platform, wherein the radiation body is thermally separated from the dispensing outlet.

A printhead apparatus (100) for 3D printing, wherein an extrusion portion (110) comprises a switching assembly (11) and a plurality of extrusion assemblies (12), and each extrusion assembly (12) is provided with an extrusion channel (T1) and a switch portion (13); the switching assembly (11) comprises a moving component (14) capable of being driven to rotate, wherein the moving component (14) is provided with a trigger portion (15), and the plurality of switch portions (13) respectively corresponds to different positions on a rotational path of the trigger portion (15), so that the plurality of switch portions (13) is triggered when the moving component (14) rotates to different angles; and a pushing component (51) of a nozzle portion (120) collides with vertical supports (311) of a gantry (310) to achieve the switching of nozzle assemblies (52).

The present disclosure provides a 3D printer including a receiving surface for accepting the accumulation of material layers, and a gantry having a shaft and carriage that is translated along the shaft, and an extruder assembly that is articulated to rotate a printing plane, wherein the extruder assembly is attached to the carriage and the articulated extruder assembly is manipulated to rotate the printing plane away from parallel with the receiving surface.

3D printing device and 3D printing method. The device comprising:a build platform having an external surface;means for providing a polymerizable fluid resin on said surface;a radiation source, to emit a radiation beam to said surface;beam positioning means, to variably position an impinging point of said beam; andmeans for controlling said source and said positioning means to manufacture a 3D tubular object according to a model;wherein the build platform comprises a stem forming a tubular shaped surface around a longitudinal axis, so that said external surface of said build platform is comprised in said tubular shaped surface, and said positioning means is configured to variably position said impinging point of said beam on different points of said fluid resin provided on said tubular shaped surface.

The invention discloses a five-axis linkage 3D printer with double forming modes and a printing forming method of the five-axis linkage 3D printer. The five-axis linkage 3D printer comprises a frame supporting structure, a planar motion structure, a printing nozzle assembly, a U-axis swinging structure and a V-axis rotating structure. The frame supporting structure is used for installing the printing nozzle assembly and the planar motion structure. The planar motion structure is used for mounting the U-axis swinging structure and the V-axis rotating structure; a plane printing platform and a detachable tubular printing rotating table are arranged on the V-axis rotating structure; the plane printing platform and the tubular printing rotary table are used for plane printing and tubular printing correspondingly. By means of the design of the detachable tubular base body, five-axis linkage forming methods of different types can be rapidly achieved, the unique modular structure enables single equipment to have the dual functions of special tubular printing and universal five-axis forming, and efficient integration of special tubular printing and universal five-axis forming is achieved.

A print engine of an additive manufacturing system includes a print station configured to hold a removable cartridge. A laser engine including a frame can be positioned to hold at least one removable field replaceable unit that includes at least some laser optics or patterning optics. An optical alignment system can be attached to at least one of the print station or the laser engine to align the field replaceable unit with respect to the removable cartridge.

The invention relates to the technical field of additive manufacturing equipment, and discloses a double-nozzle switching structure for multi-material 3D printing, the double-nozzle switching structure comprises a switching lifting assembly, the switching lifting assembly comprises a mounting plate, the inner side of the mounting plate is rotatably sleeved with a motorized shaft, the bottom of the motorized shaft is fixedly connected with a connecting main body, and the connecting main body is fixedly connected with a nozzle; the spray head assembly comprises a discharging assembly, the bottom of the connecting body is fixedly connected with a delay driving assembly, the bottom of the delay driving assembly is rotationally sleeved with a collecting tank, the bottom end of the collecting tank is fixedly sleeved with a chassis, and the edge of the top of the chassis is fixedly connected with a material bearing assembly. The connecting body and the motorized shaft are in linkage to achieve 180-degree switching of the spray head, the discharging assembly blows out spray head materials, the material bearing assembly and the collecting tank cooperate to recycle the materials, the material bearing assembly comprises a semicircular pipeline, and the problems that when the spray head is switched to replace the materials, the spray head needs to be emptied, time is consumed, and consumables are wasted are solved.

The utility model relates to a sliding mechanism and a 3D printer, the sliding mechanism comprises a sliding rail, the sliding rail is internally provided with a sliding channel, a first sliding groove and a second sliding groove, the first sliding groove and the second sliding groove communicate with the sliding channel, and the sliding channel, the first sliding groove and the second sliding groove extend in the first direction; the sliding frame assembly comprises a sliding block, a first pulley and a second pulley, wherein the first pulley and the second pulley are rotationally connected to the sliding block. The sliding block is connected in the sliding channel in a sliding manner; the first pulley and the second pulley abut against the sliding rail in a back-to-back mode, the first pulley abuts against the interior of the first sliding groove in a sliding mode, and the second pulley abuts against the interior of the second sliding groove in a sliding mode. The sliding block is configured to receive driving force from the outside of the sliding mechanism; when the sliding block receives driving force, the first pulley and the second pulley slide along with the sliding block relative to the sliding rail in the first direction. The product quality and the printing precision are improved, the service life of the sliding mechanism is prolonged, and the matching precision of the sliding frame assembly and the sliding rail is improved.

The invention discloses a material table rotation control method, a 3D printing method and a 3D printing device.The material table rotation control method comprises the following steps that a printing head, a material table, a controller, a first driving mechanism and a second driving mechanism are provided, the printing head comprises a printing base and a nozzle base, the nozzle base is rotatably arranged on the printing base, and the first driving mechanism is driven by the controller; at least one extrusion opening is formed in the bottom of the nozzle seat; a three-dimensional model to be printed is sliced to generate a rotation instruction of the printing head, and in the printing process, the controller controls the first driving mechanism to drive the nozzle seat to drive the at least one extrusion opening to rotate together according to the rotation instruction of the printing head. According to a rotation instruction of the printing head, the controller controls the second driving mechanism to drive the material table frame to rotate along with the nozzle seat, so that the angle difference between the material table and the printing head is smaller than or equal to a preset value. According to the invention, excessive winding of flexible lines such as a feeding pipe and / or a wire due to rotation of the printing head is avoided.

Volumetric Additive Manufacturing allows for the rapid printing of objects by transmitting images into a reservoir holding resin, using wavelengths of light associated with a photocuring characteristic of the resin. Feedback based control can be enabled through the use of optical scattering tomography based imaging of the object during the printing process. Through capturing a set of images representing the scattering of a non-curing light, an isosurface representing the object during printing can be generated. The differences between the isosurface and the expected shape of the object can be used as an input into a control process or they can be displayed to an operator so that printing can be terminated when the printing of the object is complete.

Systems and methods for additive manufacturing robotic systems in accordance with embodiments of the invention are illustrated. One embodiment includes a method for visualizing a space. The method includes steps for receiving, at a set of one or more processors, a set of print data, wherein the set of print data comprises a first set of data for a first visualization, wherein the first set of data is received from a control system that controls a set of one or more robots for a print job to print a part, and a second set of data for a second visualization associated with the part, rendering, at the set of processors, the first and second visualizations based on the print data, wherein the first visualization includes a visualization of the print job, and displaying the rendered first and second visualizations.

The photosensitive resin 3D printer comprises a machine body with a printing cavity, a printing platform is slidably connected into the printing cavity, the photosensitive resin 3D printer further comprises a plurality of rotating paddles and a driving mechanism, the rotating paddles are rotatably connected into the printing cavity, and the propellers are movably connected into the printing cavity in the vertical direction; the driving mechanism is used for driving the propellers to rotate and the printing platform to move at the same time, before the printing platform descends every time, the driving mechanism drives the rotating paddles to rotate and move, and after the rotating paddles move to the first position, the driving mechanism drives the printing platform to descend at the same time. The resin can be effectively stirred through rotation and movement of the rotating paddle, so that the viscosity of the resin is uniform, the local curing difference is reduced, and the possibility that the resin concentrations of all parts in the printing cavity are inconsistent is reduced; bubble surface tension is broken through mechanical stirring, bubbles are promoted to float upwards and be discharged, and printing defects are reduced.

The utility model relates to a sliding mechanism and a 3D printer, and the sliding mechanism comprises a sliding rail which extends in a first direction, and the outer surface of the sliding rail is provided with a first sliding groove and a second sliding groove which extend in the first direction; the sliding frame assembly comprises a sliding block, a first pulley and a second pulley, wherein the first pulley and the second pulley are rotationally connected to the sliding block. The sliding block is connected into the sliding rail in a sliding mode. The first pulley and the second pulley abut against the sliding rail oppositely, the first pulley abuts against the first sliding groove in a sliding mode, and the second pulley abuts against the second sliding groove in a sliding mode. When the sliding block receives driving force, the first pulley and the second pulley slide along with the sliding block relative to the sliding rail in the first direction. The problems that a model formed through printing is obvious in layer grain and poor in surface glossiness and the problem that model printing fails are solved, and the product quality and the printing precision are improved.