1198 results about "3d printer" patented technology

The invention relates to the technical field of 3D printing, and discloses a fiber reinforced composite material 3D printer and a printing method, current deposition tows are heated / cooled under the action of a preset interlayer pressing force through an interlayer pressing device, interlayer fusion can be promoted, the interlayer bonding strength can be improved, the heat history in the wire cooling process can be eliminated, and the 3D printing quality of the fiber reinforced composite material is improved. The crystallization behavior, the grain size and the grain distribution of a polymer in a printing wire material are controlled, and the microscopic uniformity of a composite material printing product is improved. The side face and the upper surface of the current deposition tow are subjected to hot-pressing shaping through the inter-channel pressing device, meanwhile, secondary hot-pressing is conducted on the adjacent printing layer deposition tow, resin of the current deposition tow and resin of the adjacent printing layer deposition tow can be melted and flow, so that the inter-channel gap between the adjacent printing layers is filled, and the printing effect is improved. And the inter-track bonding strength is improved.

The invention discloses an XR-based immersive three-dimensional modeling and straight-through 3D printing system and method, and the method comprises the steps: S1, collecting user input, and converting the user input into an interaction instruction; s2, generating three-dimensional model data; s3, superposing the three-dimensional model into a real physical environment according to a proportion of 1: 1, and outputting a virtual-real fusion display result; s4, performing printability analysis on the model, marking a problem area, guiding a user to modify and providing an automatic repair suggestion; s5, generating a support structure, and providing visual preview and interactive editing; s6, slicing and path planning are executed, and a printing instruction file meeting the control requirement of the 3D printer is generated; s7, communication connection with the 3D printer is established, and printing state information is fed back; and S8, providing storage and calling support of the three-dimensional model file, parameter configuration and environment map data. According to the invention, seamless integration of immersive XR modeling, MR real-time verification and one-key direct-through 3D printing is realized.

The utility model discloses a hot bed and a 3D printer. The hot bed comprises a bed plate and a heating device, the supporting piece is arranged on one side of the bed board; the elastic leveling device is connected with the bed board and the supporting piece and is used for adjusting the flatness of the bed board; the locking assembly is connected with the bed board and the supporting piece and used for locking the position of the bed board relative to the supporting piece after the bed board is leveled. According to the hot bed in the embodiment, the locking assembly is used for locking the position of the bed board relative to the supporting piece after the bed board is leveled, so that deformation and displacement of the bed board can be reduced, the overall rigidity of the hot bed is improved, and then the printing quality of the 3D printer is improved.

The invention discloses an automatic leveling machine structure of a 3D printer and the 3D printer. The automatic leveling machine structure of the 3D printer comprises a fixed base, a printing platform, three leveling driving units evenly distributed on the circumference, a distance measuring sensor and a controller. The leveling driving unit is of a wedge-shaped transmission structure, a lead screw is driven through a leveling motor, a horizontal wedge block is driven to move, and then a vertical wedge block and a supporting table are pushed to ascend and descend precisely. The supporting table is connected with the printing platform through the spherical hinge assembly, the driving shell is rotatably arranged on the fixed base, and the design can adaptively eliminate internal stress in the leveling process. The distance measuring sensor moves along with the printing head to measure height data of a plurality of points of the platform; and the controller fits a platform plane by using a least square method, calculates the adjustment amount of each supporting point, and drives the leveling motor to complete automatic leveling. The problems that an existing leveling technology is low in precision and prone to clamping stagnation, internal stress exists and the like are solved, and high-precision and high-reliability automatic leveling is achieved.

1. Name of the product in this design: 3D printer. 2. Purpose of this design: For printing 3D models. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to the technical field of image processing, and particularly provides a surface exposure photocuring 3D printing image edge real-time processing method and system, and the method comprises the steps: comparing the gray values of a target pixel and a forward neighborhood pixel in a 3D printing image with a preset threshold value, and judging whether the target pixel and the forward neighborhood pixel are edge pixels or not; when the target pixel is a non-edge pixel, taking the gray value of the target pixel as an output gray value; when the target pixel is an edge pixel, obtaining a random value in a preset interval as a first pixel weight of the edge pixel; calculating a second pixel weight of a forward neighborhood pixel and a third pixel weight of an oblique neighborhood pixel according to the first pixel weight; carrying out weighted summation calculation to obtain an output gray value of the edge pixel; and formatting and packaging the output gray value and outputting the output gray value to the 3D printer. The problem that in the prior art, when edge recognition is carried out on a 3D printing image, gray abrupt change exists at the edge contour, and consequently the 3D printing surface is rough is solved.

The utility model discloses a placing platform for 3D printing in the technical field of 3D printing, which comprises a platform base and a platform main body, the platform base is mounted above a base of an external 3D printer, the upper wall of the platform base is connected with the platform main body in a suction manner, and the platform main body comprises a mounting frame, a platform steel plate, a convex ring, a through groove and a magnetic suction block. A through groove is formed in the lower wall of the installation frame, a magnetic attraction block is installed in the through groove in an inserted mode, the magnetic attraction block can be connected with the platform base in an attracted mode, a protruding ring is installed on the inner side wall of the installation frame, and the platform steel plate can be inserted into the installation frame. A platform steel plate can be pressed through a convex ring on the inner side of the mounting frame, meanwhile, a plurality of magnetic attraction blocks are arranged below the mounting frame to attract the steel plate, so that the levelness of the platform steel plate is guaranteed, the quality of subsequent 3D printing is guaranteed, and in addition, a leveling mechanism is arranged, and leveling treatment can be conducted on the platform base and the platform body above the platform base.

The utility model discloses an AB shaft structure of a 3d printer, and relates to the technical field of AB shaft structures of 3d printers. A first synchronous belt adjusting assembly is installed at the rear end of the first sectional material, a first motor assembly is connected to the front end of the first sectional material, a second sectional material is connected to the left side of the first motor assembly, a second motor assembly is connected to the left end of the second sectional material, and a third sectional material is connected to the left side of the second motor assembly. A second synchronous belt adjusting assembly is installed at the rear end of the third profile, and a first sliding assembly is installed on the lower side of the first profile. The single fixing plate is adopted and belongs to an open structure, so that the follow-up synchronous belt mounting efficiency is greatly improved, and the production efficiency and the later maintenance are very convenient.

The utility model discloses a powder spreading mechanism based on a 3D printer and a 3D printing device, and the powder spreading mechanism comprises a translation cross beam frame capable of performing translation motion; the powder spreading roller body is arranged on the translation cross beam frame in a switching assembly manner; and two end parts of the driving rope body are positioned, and the driving rope body is assembled on the powder spreading roller body in a winding manner. According to the mechanism and the device, the powder spreading roller body can be effectively driven to translate corresponding to the powder spreading bed through the translating cross beam frame, and meanwhile, smooth low-vibration powder spreading can be effectively realized by utilizing the roller body transmission part based on the driving rope body under the friction driving action of the rope wheel, so that the stability of the flattening function of the powder bed is remarkably enhanced, and the functional practicability is improved.

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.

The 3D printer comprises a main machine, a 3D printing platform and a feeding device, a printing head is arranged on the main machine, the 3D printing platform is installed below the printing head, and the feeding device is connected with the printing head through a conveying pipe; the host is provided with a mounting table, a circuit board and a first electric connector are further mounted in the host, the first electric connector is located at the bottom of the mounting table, one end of the first electric connector is electrically connected with the circuit board, and the other end of the first electric connector is provided with a plurality of contacts; an axial moving module and a printing table in the 3D printing platform are mounted on a mounting seat, and the mounting seat is mounted on a mounting table; and a second electric connector is further arranged in the mounting base, one end of the second electric connector is electrically connected with the axial moving module, a plurality of contact pins are arranged at the other end of the second electric connector, and the contact pins are electrically connected with the contacts when the 3D printing platform is mounted on the host. In the disassembly and assembly process of the 3D printing platform and the host, circuit conduction can be automatically completed through mechanical butt joint, and the disassembly and assembly efficiency and maintenance convenience are improved.

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.

The present disclosure relates to a method for preparing a veterinary medicament dosage using a 3D printer. The method comprises printing a plurality of layers comprising one or more active pharmaceutical ingredients (APIs) on the printing substrate, so that each layer comprising API is surrounded by layers comprising one or more taste masking agents, until a required dose of the one or more APIs is obtained. The disclosure also relates to a veterinary medicament dosage obtainable by the method.

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 invention relates to a wire rod series connection splicing device and a 3D printer. The wire rod series connection splicing device comprises a consumable cutting mechanism, a first feeding driving mechanism and a second feeding driving mechanism. The consumable cutting mechanism comprises a first cutting assembly and a second cutting assembly which are arranged in sequence, the first cutting assembly comprises a first conveying part and a first cutting part, and the second cutting assembly comprises a second conveying part and a second cutting part; the first conveying part is provided with at least two first feeding channels, the second conveying part is provided with a second feeding channel, and the first conveying part is controlled to move relative to the second conveying part, so that the first feeding channel coaxial with the second feeding channel is used for containing first consumables, and at least one of the other first feeding channels is used for containing second consumables; the first cutting piece is used for cutting off the second consumable; the second cutting piece is used for cutting off the first consumable; the first feeding driving mechanism is used for driving the second consumables to move; the second feeding driving mechanism is used for driving any first consumable in the at least two printing consumables to move.

1. Name of the product in this design: Printing nozzle (for 3D printer). 2. Purpose of this design: For use as accessories for 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.

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.

The utility model provides a bottom supporting structure of a 3D printer. The bottom supporting structure comprises a base, a fence fixedly installed on the top face of the base, a supporting seat connected with a supporting plate through a spring, the supporting plate fixedly installed at the bottom of a heated plate, a glass platform arranged at the top of the heated plate, and a long screw connected with a stabilizing mechanism. The base is adopted as a bottom supporting structure of the 3D printer to support the printing device, meanwhile, the glass platforms with the intervals are installed on the heated plate to be used for bearing finished products, the heated plate can enable the glass platforms to be evenly heated, and the situation that the glass platforms are formed due to temperature difference changes is avoided; the horizontal supporting structure is ensured to improve the printing precision, the springs are arranged to achieve elastic supporting of the supporting structure, vibration generated when the printing device works cannot affect the supporting structure, control is achieved through the stabilizing mechanism according to the weight of a printed finished product, and a stabilizing rod abuts against the bottom of the heated plate to achieve further supporting. And the processing precision of the 3D printer is improved.

A method for manufacturing a molded body formed of a fiber-reinforced composite material containing a cured product of a thermosetting resin or a thermosetting resin composition and containing continuous reinforcing fibers, a resin impregnation device suitable for use in the manufacturing method, and a 3D printer, the manufacturing method sequentially comprising the following processes (I) to (III). Process (I): a coating process in which a thermosetting resin or a thermosetting resin composition is coated on the surface of a continuous reinforcing fiber bundle; Process (II): a resin impregnation process in which the aforementioned continuous reinforcing fiber bundle is twisted after process (I) to obtain a prepreg in which the aforementioned thermosetting resin or thermosetting resin composition is impregnated; and Process (III): a heat molding process in which the aforementioned prepreg obtained in process (II) is disposed and then heated.

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.

The invention discloses a visual calibration method and system for a Delta structure parallel 3D printer and a medium, and the method comprises the steps that data collection is carried out based on preset sampling point coordinates to obtain an observation data set, and the observation data set comprises guide rail encoder readings and calibration plate coordinates under a camera coordinate system; coordinate transformation is carried out on each observation point in the observation data set to obtain a coordinate list of the center point of the movable disc under world coordinates, and coordinate transformation comprises calibration plate correction and camera offset correction; and performing coordinate calculation based on the coordinate list to obtain a movable disc coordinate of the movable disc control point in the world coordinate system and a guide rail coordinate of the guide rail control point in the world coordinate system. According to the method, high-precision joint identification and compensation of the Delta parallel 3D printer multi-source errors are achieved through the self-defined 22-parameter full-link error model in combination with the nonlinear optimization and stop stable sampling process, and the high-speed and high-precision printing requirements are effectively met.

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 invention relates to a defect detection method for basalt fiber 3D printing, and belongs to the technical field of defect detection. The method comprises the following steps: constructing a defect data set containing fiber path offset, and accurately marking; an MABD-Net defect detection model is designed and constructed; using the training set to train the MABD-Net model; training parameters of the model are optimized, and the detection precision is improved; and the optimized MABD-Net model is applied to a basalt fiber 3D printer, and real-time defect detection is carried out. The MABD-Net model provided by the invention can efficiently identify and accurately position tiny defects through an innovative feature extraction and fusion mechanism, particularly shows excellent adaptability and precision when processing detail problems such as complex fiber path deviation and the like, and has remarkable application prospects and industrial values.

The invention discloses an assembly line 3D printing finished product piece automatic taking device, and relates to the technical field of 3D printing automatic equipment.The assembly line 3D printing finished product piece automatic taking device comprises a cabinet body, a 3D printer is fixed to the cabinet body, a first electric track is installed on the 3D printer, a printing plate is installed on the first electric track, a movable transverse rod is installed on the 3D printer, and a printing head is installed on the movable transverse rod; a lifting lead screw assembly and a bidirectional lead screw assembly are arranged in the containing frame, a lifting plate is arranged on the lifting lead screw assembly, the lifting lead screw assembly drives the lifting plate to ascend and descend and is used for ascending and descending of finished products, a sliding plate is arranged in the lifting plate in a sliding mode, the bidirectional lead screw assembly comprises two symmetrical limiting plates, and the bidirectional lead screw assembly operates to drive the finished products to ascend and descend. And the two limiting plates are driven to get close to or away from each other. And through the placing mechanism, the situations of deformation and scratching of the finished parts are reduced, the finished parts are placed in order, the situation of disordered stacking of the finished parts is reduced, the production continuity of the finished parts is achieved, and the influence on the machining efficiency and the machining quality of the finished parts is reduced.

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.