60 results about "Ceramic molding" patented technology

The application belongs to the technical field of ceramics, and particularly relates to a preparation method of high-entropy boride-silicon carbide composite ceramics, which comprises the following steps: mixing high-entropy boride powder and carbon source powder, and then adopting a ceramic forming method to prepare a ceramic green body; embedding the ceramic green body with silicon powder, and performing liquid silicon infiltration treatment in a vacuum environment to obtain high-entropy boride-silicon carbide composite ceramics. The application mixes high-entropy boride and carbon source, and then performs liquid phase silicon infiltration, so that the process is simpler, the residual Si content is relatively less, and high-entropy boride-silicon carbide composite ceramics with a density of more than 99% can be obtained, which is suitable for large-scale production and application.

A wall-mounted flush toilet includes a ceramic toilet main body including a bowl configured to receive waste and a discharge trap having an inlet connected to a lower part of the bowl and configured to discharge waste from within the bowl, the ceramic toilet main body further includes a skirt that covers outer shells of the bowl and the discharge trap from sides of the outer shells and a rear end formed rearward of the skirt and configured to be fixed to a wall, and the rear end includes a firing pedestal that functions as a pedestal grounded during a firing process in a ceramic molding process.

The invention discloses self-adaptive adjustment cordierite honeycomb ceramic forming equipment, and relates to the field of cordierite honeycomb ceramic forming processing. The device comprises a forming mechanism and a receiving and cutting mechanism, and the forming mechanism stably supports an extrusion forming device through an L-shaped supporting frame; the bearing cutting mechanism comprises a bearing base, a supporting assembly, an angle adjusting assembly, a position adjusting assembly and a cutting part, the supporting assembly supports the position adjusting assembly through an L-shaped mounting base, the position adjusting assembly can flexibly adjust the spatial position of the angle adjusting assembly, and the angle adjusting assembly can adjust the overall or local bearing angle of the bearing table; and the cutting component can synchronously complete cutting. The equipment solves the problems that existing equipment is unstable in supporting, inflexible in adjustment, low in machining efficiency and the like, and the forming precision, the adaptability and the machining efficiency are improved.

The application discloses a ceramic injection molding die and a molding machine bed, and belongs to the field of ceramic molding machine beds. The ceramic injection molding die and the molding machine bed comprise a base and a pushing mechanism arranged on the surface of the base. The pushing mechanism comprises a transmission assembly and a stress assembly. The transmission assembly comprises a hydraulic rod, a transmission plate, a sliding block, an embedded rod, a first connecting plate and a first rotary disc. The hydraulic rod is fixedly connected to the surface of the base. The ceramic injection molding die and the molding machine bed are provided with a rotary plate. When the rotary plate rotates, the push plate will swing step by step, and a pushing force is applied to the lifting plate downwards. Then, the transmission rod fixedly connected to the lifting plate also descends. Since the transmission rod is embedded in the inclined slide on the surface of the second connecting plate, when the transmission rod descends, the second connecting plate will slide to the side. Then, the second connecting plate drives the clamping block to move to the side, so that the clamping block slides out of the side of the die body. Then, the die body can be replaced.

The utility model discloses a ceramic die-casting forming die capable of reducing porosity. The ceramic die-casting forming die comprises a fixed die, a casting die, a section die and a plurality of side punch assemblies arranged on the periphery of the fixed die. A die cavity, a punch groove and an ejector pin air hole are formed in the section die, and a spraying pump used for spraying a release agent is arranged on the top face of the casting die. The side punch assembly comprises a guide rail base, a control rod, a sliding base and a punch block, and an exhaust hole is formed in the punch block. In the working process, after primary die casting is completed, the punch block moves in the punch groove to achieve secondary compaction, residual gas in pug is exhausted, an exhaust channel is formed by combining the exhaust hole and the ejector pin air hole, and the porosity in a ceramic forming part is effectively reduced. And the release agent spraying pump is used for atomizing and spraying before the mold is closed, so that the demolding effect is improved. The device is compact in structure, has the functions of secondary compaction, exhaust and demolding, and remarkably improves the forming quality and compactness of ceramic products.

To provide a washbasin that can reliably prevent cracks and breaks caused by shrinkage of the ceramic itself during the drying and firing processes of the ceramic molding. [Solution] The washbasin 1 of the present invention has a bowl portion 4, a bottom portion 6 that forms the bottom surface of the bowl portion, and a mounting portion 10 that protrudes downward from the lower surface of the bottom portion and is formed in the circumferential direction and is placed on a base 8 during drying or firing of the ceramic molding. The mounting portion, when viewed from the front, has a first straight portion 12 that extends horizontally from left to right with a first width d1, a second straight portion 14 that extends horizontally from front to back with a second width d2, and a corner portion 16 that bends from the first straight portion to the second straight portion with a third width d3. When viewed from the bottom, the first radius of curvature r1 of the inner edge of the corner portion is greater than the second radius of curvature r2 of the outer edge.

This utility model discloses a ceramic integrated molding device for ceramic processing, including a base, several columns on the base, a common top seat on the top of the columns, a hydraulic cylinder on the top seat, a pressure plate on the telescopic end of the hydraulic cylinder, a mold head on the bottom end of the pressure plate, and a pneumatic cylinder on the base. In this utility model, through the rotational connection between the first mold and the second mold and the telescopic shaft of the pneumatic cylinder, and the movement of the first positioning shaft and the second positioning shaft within two inclined grooves, when the pneumatic cylinder extends, the first and second positioning shafts, guided by the V-shape of the two inclined grooves, achieve the opening effect of the first and second molds at that location, thereby achieving the demolding effect after ceramic molding. Simultaneously, the extension of the pneumatic cylinder drives the first and second molds to move, pushing the molded ceramic towards the outside of the device, effectively avoiding the risk of manual removal from inside the device and improving operational safety.

The utility model belongs to the technical field of white corundum production, and particularly relates to an anti-splashing protection device in a white corundum production process, which comprises an anti-splashing protection box, a ceramic diversion trench is fixed at one end of the anti-splashing protection box, and the ceramic diversion trench is obliquely arranged; a sliding rail is fixed to the bottom of the splash-proof protection box, a sliding block is slidably installed on the top of the sliding rail, an assembling plate is fixed to the top of the sliding block, a ceramic forming mold is placed above the assembling plate, and when the assembling plate moves into the splash-proof protection box, the ceramic forming mold is located below the lower end of the ceramic flow guide groove. The anti-splashing protection box capable of fully surrounding the ceramic forming mold is arranged, and a water curtain is constructed on the inner wall of the anti-splashing protection box, so that molten materials can be quickly cooled and caked and fall outside the ceramic forming mold while splashing molten materials are blocked, the inner wall of the anti-splashing protection box does not need to be cleaned by shutdown, and the service life of the anti-splashing protection box is prolonged. And secondary sputtering is avoided while a good protection effect is achieved, and the safety coefficient is higher.

This invention discloses a batch continuous tailings ceramic forming production line, including a drag chain mold conveyor, several supporting columns for structural support of the production line, and a multi-station top operating platform mounted on the supporting columns. The drag chain mold conveyor includes upper and lower drag chains, several molds mounted on the drag chains, sprockets, a drive device connected to the sprockets, and at least one telescopic adjustable frame. A ceramic forming base plate is provided below the upper drag chain to facilitate mold sliding. Several devices for ceramic forming preparation are provided on the multi-station top operating platform. By setting up a telescopic adjustable frame, the bottom of the product can be uniformly formed while meeting different production needs, and the force effect during rolling, residual material removal, forming, and demolding processes can be ensured. Thus, the ceramic product forming is completed through the cooperation of the ceramic forming base plate, the molds, and the various components on the multi-station top operating platform.

The present application relates to ceramic production equipment technical field, disclose a kind of special ceramic forming drying device with batch control, including drying furnace body and protective cabin cover;Rotary transport mechanism is sequentially provided with several layers of independent operation transport tracks from top to bottom, each transport track can transport several green material pallets.The present application in each independent operation transport track, according to the water content of the ceramic embryo to be dried transported differently, adjust the residence time of the green material pallet transported in low temperature zone, medium temperature zone and high temperature zone, so that the different batches of ceramic embryo to be dried can be controlled separately, can effectively control the drying time according to the water content of the different batches of ceramic embryo to be dried, can fully guarantee the drying effect of the different batches of ceramic embryo to be dried.

The invention discloses a tape-casting method for a porous mullite ceramic material, and relates to the technical field of porous ceramic forming methods. The tape-casting method for a porous mullite ceramic material comprises the following steps: mixing SiO2-Al2O3 hollow microspheres and a sintering aid, then adding a dispersant, a plasticizer, a binder, and water thereto and stirring evenly to obtain a slurry; after tape-casting the slurry, a ceramic green body is obtained; the ceramic green body is subjected to binder removal and sintering to obtain a porous mullite ceramic material; the slurry is composed of the following components by mass fraction: SiO2-Al2O3 hollow microspheres 40-50wt%, a sintering aid 9.5-20%, a dispersant 0.5-2.5wt%, a binder 1-3wt%, a plasticizer 1-3wt%, and a water balance. The tape casting method of the present invention has a simple process and high efficiency. During the operation of the method, SiO2-Al2O3 hollow microspheres are used for self-foaming to form pores, without the need for an external foaming agent and using an inorganic pore-forming agent, which can reduce pollution, save costs and make the operation process of the method more environmentally friendly.

This invention provides a dental enamel veneer restorative material and its preparation method, belonging to the technical field of ceramic molding products. To further improve the adhesion of dental veneer materials, reduce the amount of tooth structure removed, and decrease the risk of chipping and detachment, this invention uses zirconium oxide, alumina, hydroxyapatite, dimethylsilylated silica, silicon dioxide, fluorapatite, magnesium oxide, thermosetting acrylic resin, aluminum hydroxide gel, silane coupling agent, polyvinyl alcohol, and sodium inositol hexaphosphate as raw materials. These components are combined in specific proportions, and a special process is used to prepare the dental veneers. While ensuring good biocompatibility, high hardness, and wear resistance, this invention further improves adhesion, reduces the amount of tooth structure removed, decreases the risk of chipping and detachment, extends service life, and provides a better user experience.

The present invention relates to the technical field of ceramic forming processing, specifically to a ceramic forming processing equipment and a processing method thereof, comprising a support frame and a drying mechanism. In the drying mechanism designed by the present invention, electric heating wire drying and air-drying blade air-drying are coordinated to perform a double drying treatment on the power insulator during the rotation process, thereby accelerating the drying speed of the glaze surface of the power insulator. During the rotation of the drive shaft, the rotating shaft can be driven to rotate by a belt transmission method, thereby reducing the use of the drive while air-drying the glaze surface of the power insulator, thereby saving energy consumption.

A method for producing a dense perovskite ceramic shaped body containing an alkaline earth metal element, at least one element selected from Ti, Zr and Hf, and oxygen, and having a relative density of 60% or more, the method comprising a contact reaction step in which a precursor shaped body containing a gel containing at least one oxide selected from Ti, Zr and Hf and water alone, and a liquid containing a hydroxide of an alkaline earth metal element are brought into contact. The obtained shaped body is a collection of crystal domains (2) of a perovskite ceramic crystal (1), the crystal domains (2) being connected to each other.

The present invention relates to the field of adhesives, specifically to a water-based adhesive and its application in electronic ceramic molding. The water-based adhesive comprises an epoxy-modified polyacrylate emulsion and a polyamine compound, wherein the mass ratio of the epoxy-modified polyacrylate emulsion to the polyamine compound is 1:0.01-0.05. Tests have shown that an alumina blank prepared using the adhesive of the present invention has high mechanical strength, which is beneficial for subsequent processing and industrial application.

The utility model discloses a ceramic modeling combined die which comprises a bottom frame, an outer die is fixedly connected to the upper surface of the bottom frame, a sleeve is movably connected to the inner wall of the lower end of the outer die, a gear is fixedly installed on the outer wall of the sleeve, and a limiting mechanism is arranged on the inner wall, on the side of the gear, of the bottom frame. A lifting rod is movably connected to the inner wall of the sleeve, and a base is fixedly installed at the upper end of the lifting rod. An inner mold is arranged in the outer mold, a rack and a stabilizing frame are fixed to the outer walls of the two sides of the upper end of the inner mold respectively, a support is fixedly connected to the outer wall, on the side of the rack, of the outer mold, a stabilizing sleeve is fixedly installed on the outer wall, on the side of the stabilizing frame, of the outer mold, and a rotary knob is movably arranged on the inner wall of the support. According to the ceramic modeling combined mold, the size of the cavity can be conveniently adjusted according to requirements, so that ceramic parts with different sizes can be conveniently molded by the mold, and the usability of the mold is improved.

The present invention provides a powdered composition for ceramic molding that can be prepared simply and with low energy, and that can be densely packed even at low pressure when manufacturing molded products. [Solution] The ceramic molding powder composition according to the embodiment is used to manufacture ceramic electrical and electronic components or ceramics with a fine shape, and contains cellulose nanofibers and inorganic particles with an average particle diameter of 0.005 μm or more and 2 μm or less, and has a moisture content of 20% by mass or less.

The utility model discloses a forming device for alumina ceramic products with high aluminum content, and relates to the technical field of ceramic forming equipment, the forming device comprises a box body, the front end face of the box body is rotatably connected with a box door, the two sides of the outer side wall of the box body are fixedly connected with storage boxes, and the upper end face of each storage box is fixedly connected with a feeding port. A conveying pipe is fixedly connected to the upper end face of the feeding port, a conveying pump is fixedly connected to the end, away from the feeding port, of the conveying pipe, the output end of the conveying pump is fixedly connected with a hot pressing box, and a pushing assembly is arranged on the inner side wall of the hot pressing box. According to the forming device disclosed by the utility model, aluminum oxide ceramic powder with high aluminum content can be subjected to hot drying during dry pressing forming, subsequent drying measures are not needed any more, the time is saved, the production efficiency is improved, and redundant aluminum oxide ceramic powder with high aluminum content in the production process can be recycled and cannot be wasted, so that the production cost is reduced, and the production efficiency is improved. And the cost is saved.

The invention discloses an optical-mechanical splicing modular device for photocuring ceramic molding, which specifically comprises a main body substrate and a protective cover arranged on the main body substrate, a plurality of groups of light source assembly modules are fixedly mounted in the main body substrate, a plurality of light source assemblies are mounted and arranged according to molding breadth requirements and are mounted on the same high-precision substrate, and the light source assemblies are mounted on the same high-precision substrate. The position of each independent light source assembly can be finely adjusted, so that errors caused by processing of the light machine assembly mounting plate are made up, an integrated light source optical unit is formed, the connection space and signal transmission paths among the assemblies are greatly reduced, the integration level and the working efficiency of the light machine are improved, and moreover, the light machine assembly mounting plate is convenient to mount and dismount. When a certain light source assembly breaks down, only the fault assembly needs to be disassembled for maintenance or replacement, the whole light machine does not need to be processed, the maintenance cost is greatly reduced, the maintenance time is greatly shortened, and the production efficiency is improved.

The present application discloses a broadband thermal insulation ceramic absorbing material, its preparation method and infrared stealth application, which belongs to the field of functional material technology. The absorbing material of the present application comprises a composite ceramic formed by photocuring 3D printing a polymer embryo through a polymer precursor slurry, and subjecting the polymer embryo to pyrolysis and ceramicization, wherein the polymer precursor slurry comprises photosensitive polyborosiloxane, hollow glass microspheres, acrylate crosslinking agents and initiators. The present application effectively achieves the controllable molding of structural and functional integrated ceramic absorbing materials by doping hollow glass microspheres into the polymer precursor slurry containing photosensitive polysiloxane and combining 3D printing coupled pyrolysis and ceramic molding technology. The preparation is simple, the cost is low and the molding composite ceramic structure can be precisely controlled. At the same time, the prepared absorbing material has the advantages of multiple reflection loss mechanisms, adjustable impedance matching, widened absorbing frequency band and good thermal insulation performance, and has good electromagnetic and infrared compatible stealth performance.

The utility model relates to the technical field of throwing machines, in particular to a ceramic forming throwing machine, which is favorable for enhancing the work coordination ability among students, does not need to be electrified, is controllable in rotating speed and is safer. Comprising two bottom beams, a connecting plate, a supporting vertical plate, a working plate, a mounting plate, a rotary forming assembly, a driving assembly, a reset component and a seat holding pulling assembly, the right ends of the two bottom beams are connected through the connecting plate, the left ends of the two bottom beams are connected with the supporting vertical plate through screws, and the right side of the top of the supporting vertical plate is connected with the working plate; a mounting plate is connected between the right side wall of the supporting vertical plate and the right side of the working plate, the right side of the working plate is inclined, the right end of the working plate is connected with the two bottom beams, the rotary forming assembly is rotationally mounted on the working plate, the driving assembly is connected with the rotary forming assembly, the reset component is mounted below the working plate, and the reset assembly is connected with the driving assembly. The seat pulling assembly is located on the right side of the bottom beam.

The present application relates to the field of ceramic preparation technology, and specifically to a process for efficiently preparing silicon nitride ceramics, the process comprising: subjecting silicon nitride ceramic slurry to a light-curing treatment, followed by cleaning and curing; degreasing the cured ceramic formed body to obtain a degreased ceramic body; sintering the degreased ceramic body, collecting the surface temperature matrix of the degreased ceramic body at each moment during the sintering process, and determining the local thermal stress significance at the position corresponding to each temperature value in the surface temperature matrix; forming a thermal stress distribution matrix with the local thermal stress significance of all temperature values in the surface temperature matrix, and determining the thermal effect singularity at the corresponding moment of the thermal stress distribution matrix; adjusting the heating rate at each moment during the sintering process by utilizing the difference in thermal effect singularity between each moment and the previous moment; and maintaining the temperature, cooling, and cooling with the furnace after sintering to obtain silicon nitride ceramics. The present application improves the performance and efficiency of preparing silicon nitride ceramics.

The BNNTs reinforced ceramic slurry comprises ceramic powder, a monomer / cross-linking agent combination, a ceramic powder surface modifier, boron nitride nanotubes, a dispersing agent, a sintering aid, a photoinitiator and a light absorbing agent, the ceramic powder is aluminum oxide, and the particle size D50 of the ceramic powder is 0.02-1 [mu] m; the diameter range of the boron nitride nanotube is 10 to 100 nm; the monomer / cross-linking agent is acrylic acid, the ceramic powder surface modifier is a KH series, and the dispersing agent is a DisperBYK series; the sintering aid is Y2O3, the photoinitiator is Irgaure819, and the light absorbing agent is Tinuvin 171; the ceramic forming method based on the reinforced ceramic slurry comprises five steps. The slurry prepared by the invention can effectively offset high viscosity brought by TMPTA and ceramic powder, improves material dispersibility, reduces viscosity, enhances mechanical strength of a cured green body, ensures long-term storage stability of the slurry and Z-axis resolution of printing equipment, reduces friction force and agglomeration among ceramic powder particles, and improves the quality of the ceramic powder. And the mechanical property of the finished ceramic can be improved.

The utility model provides a celadon throwing device, and relates to the technical field of ceramic forming equipment, the celadon throwing device comprises a rack, a throwing wheel disc is rotatably connected to the rack, a mud blocking basin is mounted on the rack, the mud blocking basin comprises a mounting bottom wall and a circumferential side wall which are integrally formed, the section of the circumferential side wall is in a circular arc shape, and the mounting bottom wall and the circumferential side wall are integrally formed. A plurality of welding frame grooves are formed in the circumference of the circumferential side wall, cyclone mechanisms are installed in the welding frame grooves, each cyclone mechanism comprises an air pump, a cyclone cavity and a three-way connecting pipe, a plurality of air blowing holes are formed in each cyclone cavity, the forming direction of the air blowing holes is parallel to the tangential direction of the circumferential side wall, and the air pumps are communicated with the cyclone cavities. High-speed circulation can be formed on the inner side of the circumferential side wall through high-pressure gas generated by the air pump, an included angle can be formed between the flying direction of slurry and the circumferential side wall, the splashing direction of the slurry after the slurry impacts the circumferential side wall is close to the circumferential side wall, and the slurry is prevented from splashing towards the rotating shaft inside.

The present invention relates to a mold and a molding process for molding large-size three-hole ceramic guide rails, belonging to the technical field of ceramic molding; the mold of the present invention comprises a sub-mold sleeve, a rubber sleeve, a rubber plug, a positioning plate and a core shaft; the sub-mold sleeve is arranged on the outside of the rubber sleeve, the rubber plug is located at the upper and lower ends of the rubber sleeve, and the positioning plate and the core shaft are located inside the rubber sleeve; the present invention realizes the integrated molding of large-size alumina ceramic guide rails, overcomes the technical barriers of the large-size alumina ceramic guide rail manufacturing process, and fills the domestic gap; the present invention prepares qualified large-size alumina ceramic guide rails for large-scale three-coordinate measuring machines through clever mold design and assembly, strict sealing process, novel demoulding process and transfer tool design; the present invention improves the product qualification rate and provides theoretical and technical support for the industrialization of large-size three-hole guide rails.

The application relates to the field of ceramic forming, in particular to a bacteriostatic and easy-to-clean ceramic preparation equipment and process. The structure comprises a rolling forming equipment, the rolling forming equipment comprises a machine body and a rotating seat for driving a mold to rotate on the machine body, a discharging assembly is movably arranged on the machine body, the discharging assembly comprises a scraper and a contact wheel in transmission connection with the scraper, the contact wheel is used for contacting the rotating mold, the rotating contact wheel drives the scraper to move away from the center of the mold, the moving assembly comprises an output seat, and the output seat drives the discharging assembly to move vertically. When the rolling operation is carried out, the contact wheel of the discharging assembly is rotationally connected with the mold, then the scraper is driven to move away from the mold through a speed reduction gear set, the scraper is gradually pulled away horizontally in the overflow stage and the setting stage until the scraper is pulled out, the situation that the mud and the scraper are adhered and pulled away when the scraper is directly pulled away is avoided, and the integrity of the top surface of the formed mud is ensured.

The present invention discloses a fully automatic ceramic forming equipment, which belongs to the technical field of ceramic forming. It includes a circulation mechanism for driving the ceramic blank to circulate, and the circulation mechanism is provided with a forming mechanism for shaping the blank and a coloring mechanism for drying, sintering, glazing and burning the glaze on the blank; when the lower part gear provided by the present invention is engaged with the lower docking gear, it drives the downward pressing center column, the inner forming column and the outer forming column to shape the ceramic blank, and the nozzle sprays glaze. At this time, the drying chamber, the front combustion chamber and the rear combustion chamber are closed, and the ceramic blank therein is dried, burned and glazed; when the upper part gear is engaged with the central gear, the rotating frame rotates one-sixth of a circle, and the drying chamber, the front combustion chamber and the rear combustion chamber are opened, with a high degree of automation and good continuity; when the front closed box and the rear closed box sinter the ceramic blank, the residual heat of combustion is supplied to the drying chamber through the conducting pipe to dry the blank, thereby saving energy.

The application discloses a kind of electrostatic chuck ceramic plate dry pressing forming methods, belong to electrostatic chuck technical field, comprising: S1: after the ceramic powder needed weight of medium layer is laid, heat pressing is carried out, and first ceramic forming body is obtained;S2: after the ceramic powder needed weight half of lower medium layer is laid, heat pressing is carried out, and second ceramic forming body is obtained;S3: after the ceramic powder needed weight half of lower medium layer is laid, heat pressing is carried out, and third ceramic forming body is obtained;S4: first ceramic forming body, third ceramic forming body carries out single side grinding, and second ceramic forming body is double side ground;S5: first ceramic forming body, second ceramic forming body, third ceramic forming body is according to requirement and is opened hole;S6: the hole position of three forming bodies is aligned, and heat pressing is sintered.The forming method can avoid the problem of glue removal, reduce the problem of inaccurate positioning, prevent the problem of subsequent processing damage electrode, compared with prior art, its process flow is shorter, and control point is less.

A dielectric drying method for ceramic formed bodies includes drying a plurality of ceramic formed bodies placed side by side in an arrangement direction Y perpendicular to a conveying direction X on an upper surface of a drying table by conveying the ceramic formed bodies between electrodes of an upper electrode and a lower electrode, and applying a high frequency between the electrodes. The upper electrode includes: a central region; and two end regions between which the central region is located, in the arrangement direction Y. The central region has a flat surface portion parallel to an upper end surface of the ceramic formed body. Each of the two end regions has an inclined portion inclined toward the lower electrode side.

The application discloses a kind of BJ silicon carbide ceramic forming binder and its preparation method and application, belong to binder spray forming technical field.The binder includes the following weight parts of raw materials: glycerol 70-90 parts, silane coupling agent 30-50 parts and ethylenediamine 2-5 parts, and solvent 1, solvent 2 and solvent 3;Preparation method: (1) weigh each raw material;(2) preparation solvent 1;(3) preparation solvent 2;(4) preparation solvent 3;(5) solvent 3 is added to solvent 2, stirring cooling, add solvent 1, heating, heat preservation stirring, add ethylenediamine, heat preservation stirring, add silane coupling agent, heat preservation stirring, add glycerol, heat preservation stirring, cooling to room temperature, obtain.The binder of the application can be used for BJ silicon carbide ceramic forming, with high purity, high carbon content and high bonding strength and the like, and simplify process steps, reduce production cost, provide high-quality, high-efficiency silicon carbide ceramic parts for industrial application.