3549 results about "3d print" patented technology

The invention discloses a metal 3D printing forming precision monitoring method and device and electronic equipment thereof, and relates to the technical field of metal 3D printing, and the method comprises the following steps: obtaining multi-modal sensor data, collecting multi-dimensional data in the metal 3D printing process based on the multi-modal sensor data, determining an optical sensor to record the molten pool form and powder distribution, and determining the metal 3D printing forming precision. The thermal infrared camera is determined to monitor temperature field distribution, the acoustic sensor is determined to collect and print medium-high frequency sound wave signals, and defect signals are identified; extracting boundary and geometric features from the optical image based on a convolutional neural network according to local preprocessing data of an edge computing device, and extracting a key temperature change area in response to thermal field gradient analysis; spectral features are extracted from the acoustic data based on time-frequency analysis. According to the invention, through synchronous acquisition of optical, thermal and acoustic multi-modal data, data fusion and defect detection are realized by using an advanced deep learning technology.

A method of continuous 3D printing to print an article is provided. The method includes displacing a nozzle of the 3D printer in a nozzle displacement direction; extruding the ink from the nozzle concurrently with the displacement of the nozzle to form an extrudate on the porous substrate; and displacing the rotating magnetic field in the nozzle displacement direction simultaneously with the displacement of the nozzle. The ink includes a plurality of magnetically responsive particles and a colloidal gel. The colloidal gel may include fumed silica in an aqueous solution.

The invention relates to a 3D printing method and system for a composite prestressed reinforcing rib, and solves the main problems of weak interlayer adhesive force, large thermal stress and lack of an effective reinforcing rib adding method in the mechanical property of an existing 3D printing technology. Printing parameters and prestress release are cooperatively controlled on the basis of characteristic parameters of printing materials through a stress linkage algorithm, vertical ribs are tensioned for the second time through an interlayer compensation algorithm every time a preset number of layers are printed, and the printing parameters are dynamically adjusted through a path optimization algorithm in a high-stress area; when printing is completed and the material is not completely cured, stress distribution of all the reinforcing ribs is scanned through a stress balance algorithm and adjusted to a preset deviation range, and it is ensured that stress distribution of the whole structure is uniform; and after the printing material and the reinforcing ribs are compounded and cured, corresponding curing is performed according to the characteristics of the printing material. The 3D printing structure has the following effects that the mechanical property and reliability of the 3D printing structure are improved, and the interlayer strength and the overall stress distribution are optimized.

The invention provides a multilayer metal medium metamaterial wave absorber and a 3D printing manufacturing method thereof.The multilayer metal medium metamaterial wave absorber comprises a plurality of structural units arranged in rows and columns, and each structural unit comprises a metal base and a plurality of hollow square ring-shaped metal-medium composite layers stacked up and down; the metal-medium composite layers are sequentially and vertically stacked on the metal base according to the side length sequence, and the sizes of the metal-medium composite layers are sequentially decreased from bottom to top. Compared with the prior art, the multi-layer metal medium metamaterial wave absorber has a high-efficiency wave absorbing effect in an ultra-wide frequency band; and the medium material and size can be flexibly selected, and the 3D printing additive manufacturing technology is utilized for manufacturing, so that the processing difficulty and the manufacturing cost are reduced.

The invention belongs to the field of biomedical materials, and particularly discloses a preparation method and application of a 3D printing porous composite scaffold. I-type collagen and silk fibroin composite gel is modified on a 3D printing three-element doped hydroxyapatite / polycaprolactone (PCL) composite scaffold with a polydopamine coating, the three-element doped hydroxyapatite is synthesized by using a chemical precipitation method, and Mg < 2 + >, Sr < 2 + > and SeO3 < 2-> ions are doped in crystal lattices. The 3D printing porous composite scaffold provided by the invention effectively simulates the structure and function of soft and hard combination of natural bones, is helpful for regulating and controlling the stem cell fate to improve the bone regeneration process, repairs bone defects while eliminating tumors, and can be applied to bone defect repair or osteosarcoma treatment.

The invention provides an easy-to-swallow nutrition-enriched plant-based protein food and a preparation method thereof, the plant-based protein food comprises a mixed protein solution and edible oil, and the mixed protein solution comprises walnut protein, soybean protein isolate, alfalfa protein and egg white protein. The preparation method of the plant-based protein food comprises the following steps: preparing a high-protein emulsion from a mixed protein solution and edible oil and fat, preparing emulsion gel from the high-protein emulsion, and performing 3D printing by adopting the emulsion gel. According to the easy-to-swallow type nutrition-enriched plant-based protein food disclosed by the invention, four proteins are compounded, the nutritional value of the food is improved through the synergistic effect, the protein content is increased, amino acid compounding is realized, and meanwhile, the rheological property and extrusion property of 3D printing after protein compounding are improved, so that the printed food can be suitable for 3D printing and also can be used for 3D printing. The food can also be applied to old people with dysphagia, and meets the requirements of daily nutrition intake and easy swallowing.

The invention relates to the technical field of image data processing, and provides a method and device for detecting the printing quality of 3D printing concrete. According to the scheme, concrete material attributes in a fresh mixing state serve as simulation input parameters, computational fluid dynamics software is used for simulating the printing process of the concrete 3D model, theoretical three-dimensional characteristics of the concrete 3D model are calculated based on the simulation result of the 3D printing process, actual printing is carried out to generate a concrete 3D printed piece, and the 3D printed piece is obtained. Carrying out in-situ three-dimensional scanning on the 3D printing piece, and calculating the macroscopic deviation degree, the fine deviation degree, the surface defect rate, the theoretical fluctuation degree, the average expansion rate and the model expansion rate of the 3D printing concrete by utilizing the theoretical three-dimensional characteristics and the actual three-dimensional characteristics of the 3D printing piece of the concrete; according to the indexes, the printing quality of the 3D printing concrete can be comprehensively and quantitatively detected and evaluated from all aspects, it is ensured that the evaluation result is comprehensive and accurate, and the printing quality detection precision of the 3D printing concrete is improved.

The invention relates to the technical field of intelligent optimization, and discloses a 3D printing powder proportion optimization method and system based on artificial intelligence. The method comprises the following steps: collecting historical data corresponding to a powder material based on a printing process of a 3D printed finished product, and performing multivariate analysis on the historical data to generate a plurality of powder compositions; the material simulation model is used for carrying out property simulation on any powder composition, outputting material property data and extracting a powder ratio meeting the printing requirement; the finished product prediction model performs finished product prediction on any powder ratio, outputs a finished product prediction result, performs matching optimization on the finished product prediction result and ideal finished product data, and screens out an optimal powder ratio and a corresponding optimal printing process; and performance testing is conducted on the actual printing finished product, if the actual printing finished product does not meet the requirement, the step is executed repeatedly, and a new optimal powder proportion and a new optimal printing technology are screened out again. According to the method, the precision of 3D printing powder proportion optimization is improved.

The invention provides a 3D printing foaming part and a preparation method and application thereof, and belongs to the technical field of 3D printing. According to the method for 3D printing of the foaming part, polyamide powder serves as a raw material, the 3D printed part is prepared, then the 3D printed part is subjected to supercritical fluid kettle pressure foaming, and the 3D printed foaming part is obtained. By controlling the melting point and the average particle size of the polyamide powder, the printing temperature and the solubility of supercritical fluid in the 3D printing foaming part, the 3D printing foaming part with high rebound resilience, bending resistance and hydrolysis resistance is obtained, and the 3D printing foaming part has wide application prospects in the field of foaming shoe materials.

The invention relates to a CFD-based in-situ 3D printing shield secondary lining constructability optimization method, and belongs to the technical field of tunnel construction. The method comprises the following steps: constructing a joint simulation platform, calibrating the size of a single-layer secondary lining, establishing a CFD simulation geometric model, setting boundary conditions of a physical field, simulating a printing process, and optimizing a construction process based on a simulation result. According to the method, the quality source items of concrete layer-by-layer stacking in the in-situ 3D printing secondary lining process are loaded and simulated by configuring the UDF, and the single-layer secondary lining size calibration result is synthesized, so that the function relationship between the quality source items and absolute coordinates in a closed calculation domain is established; according to the in-situ 3D printing shield secondary lining construction method, the effect of multi-layer printing of fresh concrete along with movement of a spray head is simulated, the overall efficiency of modeling simulation is improved, good universality is achieved, and an in-situ 3D printing shield secondary lining construction scheme with higher constructability can be planned according to different tunnels.

The invention relates to the technical field of stress monitoring, and discloses a laser fuse 3D printing residual stress monitoring system based on ultrasonic stress release, and the system comprises a signal processing module which is used for obtaining signal data of an ultrasonic sensor, temperature data of a temperature sensor and deformation data of laser fuse 3D printing; performing data coupling on the signal data, the temperature data and the deformation data to obtain residual stress characteristics; the stress analysis module is used for performing stress field calculation on the residual stress characteristics to obtain local stress distribution data and global stress field distribution data; the multi-scale analysis module is used for performing scale coupling according to the local stress distribution data and the global stress field distribution data to obtain a scale analysis result; and the adaptive adjustment module is used for adaptively calculating printing parameters according to the scaling analysis result. The structural stability of existing 3D laser fuse printing on a printing piece can be improved.

The invention discloses a UHPC jet 3D printing device based on an unmanned aerial vehicle. The UHPC jet 3D printing device comprises the unmanned aerial vehicle. A flight control device is arranged on the unmanned aerial vehicle and used for adjusting the flight attitude and direction in real time; a real-time data transmission device is arranged on the unmanned aerial vehicle and used for transmitting data in the flight process and monitoring result data back to the ground control center in real time; a 3D printing UHPC device is arranged below the unmanned aerial vehicle and comprises a UHPC spraying device, one end of the UHPC spraying device is connected with a high-precision spraying printing head, and the other end of the UHPC spraying device is connected with a UHPC pumping connecting device through a spraying flow device and a power transmission device. The power transmission device controls the jetting speed and the jetting angle through a jetting speed adjusting device and a jetting angle control device. The flexibility of the unmanned aerial vehicle and the jet printing technology are combined, and UHPC construction under the high-altitude, complex or dangerous environment is achieved.

The invention discloses a preparation method of a photocuring 3D printing silicon carbide porous ceramic membrane, which comprises the following steps: preparing silicon carbide slurry by using silicon carbide powder and photosensitive resin as raw materials, obtaining a ceramic membrane green body by using a photocuring 3D printing forming process, and then obtaining the silicon carbide porous ceramic membrane through a glue discharging-sintering process. By regulating and controlling the components of the photosensitive resin and the silicon carbide powder in the slurry, the slurry shows relatively high curing depth and relatively low curing width, and a high-precision ceramic membrane green body is successfully prepared; meanwhile, by changing the solid content of the slurry and the particle size of silicon carbide particles, the pore structure of the silicon carbide porous ceramic membrane is regulated and controlled, and the prepared ceramic membrane is uniform in pore structure. The silicon carbide porous ceramic membrane is prepared through photocuring 3D printing, the problems that silicon carbide slurry is difficult to photocure, low in precision and the like are solved, the preparation process is simple, the forming rate is high, and an effective way is provided for preparing the silicon carbide porous ceramic membrane in a complex shape.

The invention discloses a preparation method of a 3D printing multi-scale layered rigid-flexible impact-resistant composite material. The method comprises the following steps: designing a PLA skeleton with a multi-scale layered structure, and carrying out slicing processing to obtain an STL format file; the preparation method comprises the following steps: preparing a PLA framework through 3D printing, injecting a silicon elastomer serving as a soft material and a binder into a multi-stage layered structure of the framework, and curing to obtain the composite material. The composite material has a layered structure with three scales, the structure is realized by designing a patterned microstructure for each layer to induce a 3D printing path to stack layer by layer, and complex programming is not needed; the silicic acid gel in the gaps of each stage of layered structure is integrally formed, the composite material has the rigid-flexible coupling property, the hard PLA framework enables the composite material to have good mechanical properties, and the soft silicic acid gel provides larger deformation in the impact resisting process to achieve energy dissipation; tooth-shaped protruding interface structures which are embedded in a staggered mode are designed on the contact faces between the macroscopic layers, and the deflection direction of cracks is induced.

The invention provides a charge control electric field driven jet micro-nano 3D printing curved surface conformal multilayer circuit method and system. A high-precision conformal thin film dielectric layer is formed by utilizing charge injection electrowetting and contact electric field driving jet micro-nano 3D printing; and the high-resolution curved surface conformal circuit is manufactured by combining active residual charge elimination and non-contact electric field driving spray deposition micro-nano 3D printing. Through organic combination of active charge regulation and control and electric field driven jet micro-nano 3D printing, a high-precision conformal film dielectric layer and conductive layer conformal circuit and an interlayer interconnection circuit thereof are integrally printed. According to the curved surface conformal multilayer circuit manufacturing method, efficient, low-cost, high-precision and uniform manufacturing of the curved surface conformal multilayer circuit is achieved.

The invention provides an in-situ 3D printing secondary lining and propelling device based on a main beam type TBM. The device comprises a main beam, a three-dimensional motion module installed at one end of the main beam, a propelling module installed at the other end of the main beam and an in-situ 3D printing module installed on the three-dimensional motion module. The three-dimensional motion module is used for controlling the moving speed of an in-situ 3D printing spray head in the circumferential direction, the radial direction and the axial direction of a tunnel, the in-situ 3D printing module comprises a spray head and a structured light camera, and the structured light camera is used for scanning to generate tunnel wall morphology and providing data support for planning printing process parameters; the secondary lining with high mechanical reliability is manufactured in situ; and the propelling module supports and propels the whole device to advance along the tunnel on the premise of ensuring that the in-situ 3D printing secondary lining is not damaged. The method has great application potential in the aspects of self-adaptive regulation and control of secondary lining construction parameters and intelligent construction.

The invention discloses a multi-laser 3D printing path planning method and system based on collaborative optimization, and relates to the technical field of multi-laser 3D printing path planning and optimizing.The method comprises the steps that a 3D model to be printed is subjected to equal-area division; adjusting a real-time path based on a collision avoidance rule load balance; and finishing self-adaption and summarizing the data. According to the multi-laser 3D printing path planning method based on collaborative optimization, through the step of equal area division, the overall working efficiency of the system is improved, through the step of refining hierarchical division, the system can more accurately process a complex geometric structure, the printing safety and smoothness are improved, and through real-time load balance and path adjustment, the multi-laser 3D printing path planning method based on collaborative optimization can be used for realizing multi-laser 3D printing. And delay caused by too large task load of some laser heads is avoided. Through monitoring and automatic adjustment, the system achieves optimization of a self-adaptive working path, the overall printing efficiency is improved, and better effects are achieved in the aspects of fluency, safety and printing efficiency.

The application discloses a kind of based on 3D printing's three-dimensional model slice path processing method and device. Including: control 3D printer to starting point as starting point;Based on the region surrounded between starting point and reference point, determine the printing point to be printed that 3D printer needs to execute printing action during executing 3D printing job;Starting point and the printing point to be printed are sequentially connected by smooth straight line, generate printing path;Based on printing path control 3D printer executes 3D printing job and obtains target object, to effectively reduce the number of line segments of slice contour line of three-dimensional model forming target object, avoid 3D printer in printing job, in the pause frequency of line segment head, tail, simultaneously avoid the problem that 3D printing model surface protrusion is caused by long time scanning due to pause.In reducing pause frequency, printing is more smooth, improve printing efficiency, simultaneously also reduce algorithm complexity, help the simplification of algorithm.And effectively simplify the algorithm of 3D printer.

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.

The invention relates to a design method for the mix proportion of carbonized 3D printing concrete and the carbonized 3D printing concrete. Carbon dioxide is introduced into cement-based printing slurry, the introduction amount of the carbon dioxide is controlled, and when the carbon dioxide is introduced into the cement-based printing slurry, the use amount of magnesium chloride is calculated according to the content of a carbonization reaction product CaCO3 and the proportion of calcite to aragonite in a required concrete mixture. Magnesium chloride and carbon dioxide are added into the cement-based printing slurry at the same time for full reaction, and finally the 3D printing concrete material is prepared. By adding magnesium chloride and generating aragonite type calcium carbonate, the thixotropic behavior of the material is improved, the constructability of the cement slurry is higher, the orientation of the nano-scale aragonite fibers is arranged according to the printing direction, the reinforcing and toughening effects are excellent, and the bending resistance, bending resistance and compressive strength are all improved.

The invention provides a universal 3D printing global continuous path planning method and system, and relates to the technical field of 3D printing data processing or control, the method comprises the following steps: inputting an STL model and slicing to obtain each layer of section contour; calculating offset contours of the inner and outer contours by adopting vector operation; interference is eliminated when self-intersection or intersection occurs in the offset contour; constructing a path point set; establishing a mathematical model for path planning; solving the mathematical model by adopting a pointer network based on reinforcement learning to obtain a continuous filling path traversing all the path point sets; curvature constraint smoothing is carried out on the path through an n-order Bezier curve; and generating a 3D printing global continuous path by adopting a greedy search algorithm. The method is suitable for a complex porous structure, path intersection and interruption are reduced, the path length and the bending angle are minimized, and therefore the printing precision and the mechanical property are improved.

The invention belongs to the related technical field of industrial robots, and discloses a control method and system of a crawler-type 3D printing robot capable of autonomously and movably printing. The method comprises the following steps that the current position and the target position of the 3D printing robot are obtained, the current motion path of the 3D printing robot moving from the current position to the target position is planned, and the 3D printing robot moves to the target position according to the planned motion path; acquiring a real-time relative pose between the head of the 3D printing robot and a preset marker, comparing the real-time relative pose with a preset relative pose, and if the real-time relative pose is inconsistent with the preset relative pose, planning a pose adjustment path of the head and adjusting the pose of the head according to the path until the real-time relative pose is consistent with the preset relative pose; and the 3D printing robot carries out printing at the current position and posture. By means of the 3D printing robot, the problem that the 3D printing robot cannot move autonomously and adjust the pose in a self-adaptive mode is solved.

The invention discloses a 3D printing parameter optimization method and system based on machine learning, and relates to the technical field of 3D printing, and the method comprises the steps: obtaining a data set; preprocessing the data set; constructing a training model based on machine learning according to the data set; training a training model by using the data set, and taking the trained training model as a 3D printing parameter optimization model; and optimizing the 3D printing parameters to be optimized by using the 3D printing parameter optimization model. According to the method, the 3D printing parameter optimization model is obtained by constructing and training the training model based on machine learning, and the 3D printing parameters to be optimized are optimized by using the 3D printing parameter optimization model, so that the problem that determination of the 3D printing parameters in the prior art needs a large amount of computing resources and time is solved, and the determination efficiency of the 3D printing parameters is improved. And the calculation effect and accuracy of the 3D printing parameters are improved.

The invention provides a 3D printing lining ground test device fusing in-situ laying of reinforcing steel bars. The device comprises a stirring and pumping module, a 3D printing lining module, a 3D printing lining mechanical arm, a reinforcing steel bar in-situ laying module, a reinforcing steel bar in-situ laying mechanical arm and a tunnel ring, the 3D printing lining module comprises a spray head, and the reinforcing steel bar in-situ laying module comprises a flexible reinforcing steel bar clamping head and a structured light camera; the stirring and pumping module stirs to prepare a fresh concrete material and pumps the material to the 3D printing lining module, the material pumped to the 3D printing lining module is printed in the tunnel ring through the spray head, and the flexible steel bar clamping head clamps and places a steel bar on the printed concrete. And the structured light camera scans the tunnel section morphology and the surface morphology of the printed lining part, and provides data support for motion planning of the mechanical arm. The method has great application potential in simplifying the lining construction process and efficiently building the long-term stable tunnel.

To provide a multiaxial 3D printing device for metal structural components and an arc-based additive manufacturing method.SOLUTION: Based on a multiaxial coordinated printing mode of a robot arm device, a movable guide rail device, and a positioner device, expansion of a six-axis robot arm enables printing in a robot arm's free posture and moving a guide rail enables movable printing following an axis along the guide rail, an open motion space of the 3D printing robot is enlarged, a two-axis positioner allows achieving multiaxial 3D printing without support for complex metal structural components, reducing material costs, and simplifying post-processing. Simultaneously, linkage linear interpolation through a world coordinate system allows effective controlling printing accuracy and print accuracy and large-format dimensions and further achieving multiaxial 3D printing for large and complex metal structural components.SELECTED DRAWING: Figure 1

The invention provides a 3D printing consumable management method and system based on image recognition, and relates to the technical field of 3D printing, and the method comprises the steps: collecting image data of a consumable region in a 3D printer in real time through an installed image collection device; identifying the remaining amount, the material type and the quality state of the consumables; inputting an identification result of the image data into a control system, predicting a consumption trend of the consumables according to the historical use data, and predicting the consumption trend and the use time of the consumables; according to the method, weight and temperature and humidity data collected by a sensor are combined, multi-dimensional analysis is conducted on the use conditions of the remaining amount, the material type, the quality state, the consumption trend and the use time of consumables, and when the remaining amount of the consumables is lower than a set threshold value, an alarm signal is sent out, and consumables replacement suggestions are provided. Key information such as the remaining amount of consumables, the material types and the use states of the consumables in the printer is monitored in real time through the image recognition technology, supply of the consumables is dynamically adjusted, and the real-time alarm and prediction functions are provided.

The invention discloses a 3D printing path optimization method for a multi-joint industrial robot, and relates to the field of 3D printing path optimization. The method comprises the steps that a normalized torque load index is generated according to the joint torque of the mechanical arm, and a layer cutting thickness sequence is generated in combination with the model surface curvature; a vibration risk index is constructed through the joint angular acceleration, the attitude interpolation weight is dynamically adjusted, and an attitude interpolation trajectory is generated; according to the distribution characteristics of the temperature field around the path point, calculating a thermal coupling factor, generating a thermal avoidance path offset, and correcting the path point; calculating a collision risk score based on the minimum Euclidean distance between the path point and the obstacle model; and fusing the cutting layer thickness, the vibration risk, the thermal coupling factor and the collision risk score, and constructing a global path scoring function. Through comprehensive consideration of mechanical arm load, vibration risk, heat accumulation and collision risk, printing precision and quality are effectively improved, path smoothness is optimized, vibration and heat influences are reduced, material deformation is avoided, and stability of the printing process is ensured.

The invention belongs to the technical field of 3D printing, relates to 3D printing equipment and a printing control method thereof, and solves the problems that printing parameters cannot be adjusted in real time and the printing effect cannot be ensured. The 3D printing equipment comprises a mechanical arm controlled by an industrial robot, a printing device is arranged on the mechanical arm, the industrial robot and the printing device are connected with an upper computer, the printing device comprises a material storing and feeding mechanism and a screw extrusion mechanism which are arranged on a fixing support, and the discharging end of the material storing and feeding mechanism is connected with the feeding end of the screw extrusion mechanism; the upper computer comprises a three-dimensional model layered slicing module, a path optimization module and a dynamic cooperative control module. A laser distance measuring sensor is arranged on the outer side of a nozzle of the printing device and used for synchronously adjusting the motion trail of the mechanical arm. According to the equipment, the melt extrusion type printing mechanism is adopted, the product performance is improved, the application range of 3D printing is expanded, cooperation of the printing equipment and the mechanical arm is enhanced, specific parameters can be adjusted according to actual operation, and the printing quality is guaranteed.

The invention discloses a 3D printing bamboo aggregate concrete thermal insulation structure integrated wall and a preparation method thereof. The raw materials of the wall body cover a cementing material, a fine aggregate, a bamboo aggregate, fibers, a thermal insulation material, water, a water reducing agent and the like, and further comprise a self-repairing and environment-sensitive material. The bamboo aggregate is selected from moso bamboos of specific age and is specially treated; high-adaptability varieties are selected as cementing materials, and part of the cementing materials can be used as industrial solid wastes. During preparation, the bamboo aggregate is pretreated firstly, then raw materials are premixed, the self-repairing and environment-sensitive materials are implanted, the intelligent fibers are added, the thermal insulation materials are mixed, water is added, the mixture is stirred to be in a printable state, then 3D printing is conducted, and finally curing is conducted. Compared with the prior art, the method has the remarkable advantages that the low-carbon layer surface is achieved, bamboo materials are renewable, processing energy consumption is low, wall heat preservation is excellent, and energy conservation and emission reduction can be achieved; structurally, the high-performance material and the optimized bamboo aggregate guarantee the strength, and intelligent monitoring and early warning guarantee the safety; in the modeling aspect, 3D, free shaping and function fusion are achieved through printing; the composite system is high in heat insulation performance and long in service life. The invention has prominent innovativeness, and is expected to renovate the standard of the building wall.

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