406 results about "3d printer" patented technology

Materials for use in a 3D printer, including: several metal particles with an average cross-sectional length of less than or equal to 100 nm; and a stabilizing material comprising an organoamine, carboxylic acid, thiol and derivatives thereof, xanthogenic acid, polyethylene glycols, polyvinylpyridine, polyvinylpyrrolidone or a combination thereof; the metal particles and the stabilizing material agglomerate to form particles with an average cross-sectional length of about 1 µm to about 250 µm.

The present application relates to the technical field of 3D printer calibration, and specifically provides a multi-color FDM printing real-time visual pose correction method and a 3D printer.The pose correction method comprises the following steps: obtaining an image of a printing layer based on a camera above a printing platform; obtaining image information at a nozzle based on a camera of a printing head; extracting physical space coordinates of reference feature points based on the collected image; solving pose parameters by an improved PnP algorithm based on the physical parameter coordinates of the reference feature points; and adjusting printing parameters based on the pose solving result and real-time monitoring data.The present application uses the color boundary of the printing material itself as a natural visual reference, effectively avoiding the cumbersome operation of manually pasting physical markers and the risk of marker failure caused by high temperature.

Methods and apparatus for fabricating solid three-dimensional objects from liquid polymerizable material at high resolution. Material (202) is non-digitally coated on a film (204), excess material is digitally removed by a laser, leaving a negative of the layer to be printed, and then the image is joined with existing portions of the object (220) being fabricated and exposed to a non-digital UV curing light source. Since the only portion that is digitized is the material removal, and this portion is done by a laser, the printing speed and robustness of the fabrication process are significantly improved compared to conventional additive or 3D fabrication techniques.

This utility model provides a high-efficiency heat dissipation mechanism and a 3D printer, relating to the field of 3D printer technology. The utility model includes a mounting frame, with a bracket fixedly mounted on one side of the mounting frame. A drive mechanism and a fan blade are provided on one side of the bracket. The fan blade is rotatably mounted on one side of the bracket via the drive mechanism. A cleaning device is provided on one side of the fan blade. The cleaning device uses a brush block to clean the fan blade as it rotates. By setting and adjusting the brush block so that one side of the brush block abuts against the outer surface of the fan blade, and then fixing the brush block, the brush side of the brush block can automatically clean the fan blade when it rotates. This allows small particles on the fan blade to detach from the blade and be blown out by the airflow generated by the fan, facilitating rapid cleaning of these small particles. This helps prevent the cooling fan's heat dissipation performance from decreasing and also facilitates normal heat dissipation of the 3D print head.

The utility model relates to a kind of cloud disc mechanism based on pottery clay 3D printer, including frame and cloud platform, and the translation module is equipped between the front crossbeam and rear crossbeam of frame, and the sliding seat is connected on the translation module;The top of the sliding seat is support table, and the back of support table is equipped with limit backrest, and one end of cloud platform is supported on the support table of sliding seat and abuts on limit backrest, and the other end of cloud platform is supported on the front crossbeam of frame;The two sides of the translation module are respectively equipped with clamping plate, and two clamping plates are driven by clamping mechanism to be close to each other and tighten cloud platform or be far away from each other and loosen cloud platform.The cloud platform in the utility model adopts movable design, compared with the originally fixed cloud platform has superiority: porcelain production is more automated and industrialized;Artificial operation part is saved, and cost is reduced and efficiency is increased;The material scraping brush driven by steering wheel is set at the diagonal of cloud platform, so that it is cleaned to printer cloud platform, and it is cleaned before printing, can enhance production efficiency, improve product yield.

The application provides a 3D printer and a working method of a laser profiler. The 3D printer is provided with a calibration plate. Before a target object is scanned by the laser profiler, the print head and / or the print bed of the 3D printer can be moved, so that the laser profiler has different distances with the print bed. The camera and the laser emitter of the laser profiler controlled under different distances respectively shoot laser images with laser lines and calibration images without laser lines. Then, based on the calibration images and the laser images under different distances, the laser plane parameters of the laser profiler are calculated, so that the calibration of the laser profiler is realized in the 3D printer. When the calibration parameters of the laser profiler change due to vibration or other reasons, the laser profiler of the 3D printer can be recalibrated, so that the scanning precision of the laser profiler is ensured, and the precision of the 3D printer is ensured.

Embodiments of the present application provide a point cloud fusion method, device and 3D printer, which are applied to a 3D printing scene. The method comprises: obtaining a first local point cloud and a second local point cloud, wherein the first local point cloud and the second local point cloud are obtained by a laser profiler through different laser parameters to scan a first position of a measured object, the first local point cloud comprises N first points, the second local point cloud comprises M second points, N and M are positive integers; and obtaining a fused local point cloud corresponding to the first position according to a comparison result of position information of an nth first point and an mth second point, 1≤n≤N, 1≤m≤M, n and m are positive integers. In this way, the point cloud effects of the local point clouds under different laser parameters are different, and the complementary processing of the local point clouds can effectively cope with the problem of point cloud loss.

Systems and methods are provided for improving existing 3D FDM printing technologies. A 3D printing process and a 3D printer are also provided. The 3D printer provides stronger adhesion between the layers of printed parts than current printers. This enhancement increases the tensile strength of 3D printed components in the direction perpendicular to the layers.

The utility model discloses a full -color printer of intelligence mixed color relates to 3D printer technical field, and this full -color printer of intelligence mixed color includes bottom plate, and the upper portion of bottom plate is installed with mixed color jar, and the top of mixed color jar is installed with fourth drive motor, and the output shaft of fourth drive motor is installed with agitator bar, and the outer wall of agitator bar is installed with two groups of stirring vane, and the inner bottom of mixed color jar is installed with flow guide block, and the bottom of mixed color jar is installed with nozzle, and the connecting place of nozzle with mixed color jar is installed with electromagnetic valve, and the upper portion of mixed color jar is installed with four groups of pigment jar, and the scheme has solved the process of using the current 3D printer to change color, and then the nozzle of corresponding different color is replaced, and the procedure of switching nozzle is complicated, causes multicolor printing efficiency to be very low, and secondly, the problem that the material of multiple colors is mixed unevenly, and the transition of different colors is obvious easily appears.

The present application provides an aircraft additive manufacturing method. The method comprises: designing a three dimensional digital model of an aircraft; setting a design separation interface on the three dimensional digital model so as to divide the three dimensional digital model into three dimensional digital models of modules; setting a process separation interface on the three dimensional digital models of the modules so as to divide the three dimensional digital models of the modules into three dimensional digital models of segments; performing slicing processing on the three dimensional digital models of the segments and setting printing parameters to generate printing data; using a 3D printer to perform printing on the basis of the printing data to generate segments; assembling the segments to form modules; and assembling the modules to form the aircraft. The present application further provides an aircraft.

The present application relates to the technical field of 3D printing, and discloses a rapid arc edge printing device and printing method of a 3D printer, which comprises a printing device support body and a swing frame, a printing head body assembly is arranged below the swing frame, the swing frame is arranged above the printing device support body, and the swing frame slides on the printing device support body and drives the printing head body assembly to overturn. The present application adopts a contraction mechanism composed of a wrinkled rubber tube and an elastic spiral belt, when the sliding ring moves away from the fixed ring, the elastic spiral belt is stretched and radially extrudes the wrinkled rubber tube, so that the resin flow aperture is reduced and the injection speed is increased; when the sliding ring is reset, the aperture is restored and the injection speed is restored. The mechanical structure is simple and reliable, and can realize the smooth change of the injection intensity through the continuous adjustment of the injection aperture without changing the flow of the extrusion pump.

The utility model discloses to the disadvantage that the existing extrusion structure can not directly observe the internal structure and is complicated to disassemble and assemble, provide a kind of extrusion structure for 3D printer printing head, belong to 3D printer accessory technical field, including retainer, be equipped with installation slot and transparent cover on the retainer on installation slot, transparent cover and retainer are equipped with respectively if axle hole;Compression rod, first feeding gear, combination gear are installed in installation slot, first feeding gear rotation is set on compression rod, compression rod is equipped with a rotating pin and compression rod can rotate around the center line of rotating pin, combination gear includes a rotating shaft, rotating pin, rotating shaft two ends are inserted into axle hole in transparent cover and retainer respectively and retainer and transparent cover cooperate and carry out rotating pin axial location to compression rod.This extrusion mechanism is provided with separate transparent cover, can directly observe extrusion structure internal condition, can also be used for the location installation of various gears etc. structure in interior, to make extrusion structure more convenient to overhaul after failure.

1. Name of the product in this design: Extruder. 2. Purpose of this design: This design is intended for use in 3D printers. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A 3D printer includes a frame, a carrier, a nozzle and a detection device. The carrier is fixed to the frame. The nozzle is movably disposed on the frame. The detection device includes a piezoelectric ceramic sheet and a position detector. The piezoelectric ceramic sheet is in contact with the carrier. The position detector is disposed on the nozzle.

This disclosure provides a 3D printer and its nozzle offset calibration method, storage medium, and program product. The method includes: controlling the nozzle to be calibrated to scan within the target sensing area of ​​an eddy current sensor to obtain a corresponding sensing signal; determining a target feature category matching the waveform characteristics of the sensing signal based on the correspondence between waveform characteristics and feature categories; extracting the feature value corresponding to the target feature category from the sensing signal, calculating the offset of the nozzle to be calibrated in the scanning direction, and using this offset to calibrate the nozzle. This disclosure, by matching the corresponding waveform feature category and extracting feature values ​​for offset calculation, can accurately adapt to the signal characteristics of different types of nozzles, avoiding feature recognition errors in offset calculation caused by differences in heterogeneous nozzles. This significantly improves the accuracy of offset calculation and the reliability of nozzle center positioning, ensuring stable calibration with high precision and high repeatability for different heterogeneous nozzles.

The application discloses an integrated 3D printing galvanometer system and belongs to the field of additive manufacturing. Aiming at the problems existing in the traditional 3D printer galvanometer, such as large volume caused by the outer shell and the cooling system, light field splicing deviation caused by installation and debugging difference, high cooling power consumption, pipeline complexity and easy leakage, and condensate water damage to equipment in high humidity environment, etc. The system of the application contains a galvanometer, a laser head array, a fixed base plate and other components. The galvanometer contains X and Y sub-galvanometers arranged vertically, and a laser head. Each component is fixed on a high-precision fixed base plate. The shell is sealed, one side of the metal surface is provided with an inner and outer fan and a cooling device (such as a semiconductor heat sink), and a detachable and replaceable desiccant box is further arranged. The application has the beneficial effects of compact volume, low energy consumption, high splicing precision and condensation prevention, and is suitable for medium and large 3D printers using multiple galvanometers.

The utility model discloses a kind of granule 3D printer printing head with vibration auxiliary, including vibrating hopper, barrel, spiral feeding device, heating ring, nozzle and vibration device, control system, 3D printer main control system connection and temperature control system, vibration device is set on vibrating hopper or spiral feeding device, high-frequency vibration can be generated, promote the flow of granule using vibration energy, prevent granule from happening jam, the top of vibrating hopper is relatively connected with feed pipe;The utility model can effectively prevent granule from happening jam in the process of feeding by setting vibration device in printing head, ensure the continuity and stability of feeding. High-frequency vibration generated by vibration device can promote the flow of granule, avoid the problem of inadmissible feeding or even broken material caused by mutual adhesion between granules, thereby improve the reliability of 3D printing process, reduce the number of printing process interruption, and then improve printing quality and efficiency.

The invention relates to the production method of anthropomorphic head-neck phantom in heterogeneous structure and in a form suitable for human anatomy using 3D printer and molding technique.

The present invention relates to a method for manufacturing a bronchoscope simulator, and more specifically, to a method for manufacturing a bronchoscope simulator comprising: a base part printing step in which a base part is printed by a 3D printer; a plastic dipping step in which a plastic dipping is applied to the outer surface of the base part; a through-hole processing step in which a through-hole is formed on one side of the base part; and a liquid passing step in which a liquid is passed through the through-hole so that only the base part is melted away while leaving the plastic dipping.

This invention belongs to the field of electromagnetic shielding, and relates to an electromagnetic shielding material with a macroscopic conical hole structure, its preparation method, and its application. The preparation method includes: S1. Adding graphene nanosheets and polylactic acid particles to dichloromethane to obtain a graphene composite dispersion; S2. Drying the graphene composite dispersion at room temperature in a fume hood to obtain a graphene / polylactic acid composite material; S3. Chopping the obtained graphene / polylactic acid composite material and feeding it into a benchtop extruder, extruding composite filaments for 3D printing via melt spinning; S4. Creating a 3D printing model on a computer, feeding the composite filaments into a 3D printer, and processing the material with a macroscopic conical hole array structure using computer-controlled 3D printing. This electromagnetic shielding material exhibits excellent electromagnetic shielding performance, has a simple processing technology, low equipment parameter requirements, and is suitable for industrial production.

The embodiments of the present application provide a printhead kit, a 3D printer, and a 3D printing method. The printhead kit is designed to move along the direction of force application when driven, and comprises a mount, a nozzle assembly, and a sensor. The nozzle assembly is connected to the mount and designed to move along the direction of force application when driven by an external force. The sensor is connected to the mount and / or the nozzle assembly and is designed to detect the displacement and / or deformation of the nozzle assembly. The 3D printer comprises a 3D print body and a printhead kit, the printhead kit being connected to the 3D print body.

This invention discloses a method and apparatus for processing 3D printing paths. It includes: controlling a 3D printer to start from a starting point; determining the printing points to be printed during the 3D printing process based on the area enclosed between the starting point and a reference point; sequentially connecting the starting point and the printing points to be printed with smooth straight lines to generate a printing path; and controlling the 3D printer to perform the 3D printing operation based on the printing path to obtain the target object. This effectively reduces the number of line segments forming the 3D model of the target object, avoiding frequent pauses at the beginning and end of line segments during the printing process, and preventing prolonged energy radiation and surface protrusions on the 3D printed model caused by pauses. By reducing the frequency of pauses, printing becomes smoother, improving printing efficiency, and reducing algorithm complexity, it simplifies the algorithm for the 3D printer.

A plastic bottle extrusion mechanism for 3D printing filament is a device that uses any previously used PET material that can be cut into strips (like plastic bottles, for example) and transforms it into recycled filament of a calibrated cross-section, serving as raw material for 3D plastic printers. It includes: - a station for manually cleaning the bottles to remove dirt, tickets, etc. If the bottle is deformed, it must be inflated with hot air to restore its original structure; - a gravity-driven ambient drying subsystem where the bottles are free of water droplets and the moisture they retain; - a strip-cutting subsystem using a stainless steel blade and manual stretching by the operator; - a heating subsystem using electric resistances and a heating block made of a material with high thermal conductivity. - an extrusion subsystem favoring the use of a nozzle with a cross-section equal to that of the filament, - a cooling subsystem using a fan or a series of fans mounted in series, or a water bath or multiple water baths, - an instrument for controlling or measuring the filament cross-section, - and a winding subsystem on a spool rotating at a speed calibrated by a speed controller and motor

The application provides an old residential area intelligent updating method and system based on spatial anchor point crowd portrait, and relates to the field of urban planning. The method comprises the following steps: constructing an urban renewal strategy database, determining a spatial anchor point of an old residential area problem space, collecting spatial anchor point resident information, intelligently matching an updating strategy, and intelligently updating the old residential area. The method realizes the intelligent updating of the old residential area by collecting crowd portrait data of the old residential area problem space, matching urban renewal strategy items, and connecting to a concrete 3D printer and a hoisting mechanical arm. The application can cope with the updating of old residential areas in the field of urban planning, realize the matching of updating strategies based on resident crowd portraits, collect more data on the current problems of old residential areas, have higher accuracy of updating strategy matching, have a shorter cycle of "research-design-construction", and have higher qualified rates of standardized operations in updating construction.

This utility model relates to the field of 3D printer technology, specifically a recessed photopolymerization 3D printer, including a printing platform, which includes an operating platform with a groove. A feeding cylinder and a forming cylinder are fixedly connected to the bottom of the operating platform, and the inner cavities of the feeding cylinder and the forming cylinder communicate with the groove. An LED light source assembly is positioned above the operating platform for printing materials. A dual scraper assembly is positioned on the top surface of the operating platform to spread the raw material evenly. A conveying assembly is positioned on the top surface of the operating platform and is connected to the dual scraper assembly for horizontally moving the dual scraper assembly back and forth. A second motor on the front side drives a front threaded rod to rotate, which in turn drives a front movable frame to slide up and down. The movable frame drives the front material-carrying platform to slide up and down within the feeding cylinder, using a piston-like extrusion feeding method to precisely control the amount of raw material extruded. This design is convenient to operate and clean, avoiding material waste caused by cleaning the peristaltic pipes.

This disclosure discloses a porous hygroscopic material production process, material and insole; the porous hygroscopic insole comprises a microporous surface, a multi-microporous hygroscopic material layer, a breathable layer, and a high-resilience layer or breathable mesh frame; one end surface of the multi-microporous hygroscopic material layer is subjected to frosting treatment to obtain the microporous surface, and the multi-microporous hygroscopic material layer and the microporous surface are integrated to enhance a hygroscopic effect; the breathable layer is any one of porous breathable PU foam, two-component in-mold foaming PU foam, EVA foam, and latex foam. The breathable mesh frame is of a mesh frame structure formed by stacking cube-shaped cage frames manufactured by a 3D printer; the high-resilience layer or breathable mesh frame is integrally connected with the multi-microporous hygroscopic material layer. When a user walks with feet, a repeatably-rebounded highly-breathable space is formed, air circulation airflow operates repeatedly.

The present invention relates to a novel dental prosthetic material and a patient-customized dental prosthesis comprising same, the material improving water resistance, reproducing a color similar to an actual tooth, and thus improving the aesthetic appearance even after prosthetic treatment. In addition, patient-customized prosthetic treatment can be performed using a 3D printer on a tooth requiring prosthetic treatment. The material exhibits enhanced physical properties compared to existing photocurable resin compositions and has excellent adhesive strength, thereby preventing a dental prosthesis from detaching after treatment.