111 results about "Ceramic molding" patented technology

The invention relates to the technical field of traditional ceramic manufacturing, in particular to imitation handmade ceramic forming machining equipment and a machining method thereof.The imitation handmade ceramic forming machining equipment comprises a rack used for supporting all functional modules and providing a stable working platform; the forming unit is arranged on the rack and comprises a multi-degree-of-freedom mechanical arm, a hand-imitating tool head, a flexible pressurizing mechanism and a rotary driving assembly; the driving system provides power for the forming unit and the auxiliary device; the detection control module integrates a sensor group and a controller, the sensor group is used for monitoring pressure, displacement and visual information in the forming process in real time, and the controller is internally provided with a manual forming process database and feeds back closed-loop control forming parameters based on sensors; the auxiliary system comprises a blank pretreatment device, a mold system, a demolding mechanism and a cleaning device, is used for blank preparation, forming supporting, demolding assisting and post-treatment, and is suitable for efficient and high-precision mechanical implementation of traditional manual throwing, kneading molding, fettling and other processes.

Use of an acid-modified polyvinyl acetal as a binder for the production of a ceramic green sheet or a ceramic moulded body wherein the acid-modified polyvinyl acetal comprises carboxyl units in the range from 0.5 to 1.5 mol% and

The invention relates to the technical field of piezoelectric ceramic forming, in particular to a preparation method of multilayer piezoelectric ceramic, which comprises the following steps: preparing slurry which comprises the following materials in percentage by mass: 50-80% of ceramic powder, 5-12% of acrylate latex, 1-2% of ammonium polyacrylate, 0.8-1.5% of sodium alginate and the balance of alcohol-water solvent, carrying out ball milling to obtain tape casting slurry, carrying out tape casting to obtain a single-layer blank film, carrying out gelation treatment, printing inner electrode slurry, drying, laminating, plastic discharging and sintering to obtain the multilayer piezoelectric ceramic; the preparation method comprises the following steps: carrying out tape casting on benzene-free system slurry to obtain a single-layer blank film, printing electrode slurry on one surface of the single-layer blank film, and carrying out lamination molding to obtain the multilayer piezoelectric ceramic containing the inner electrode; the thickness of a single-layer blank film is smaller than 10 microns, the bonding strength between the blank films is high, and the obtained multilayer piezoelectric ceramic has good piezoelectric performance.

The invention relates to the technical field of building insulation board production, and particularly discloses a foamed ceramic forming device and method.The foamed ceramic forming device comprises a stirring machine, a discharging bin and a conveying system, the stirring machine is used for evenly mixing various raw materials, a feeding port is formed in the top of the discharging bin, a discharging port is formed in the bottom of the discharging bin, and the discharging port is communicated with the stirring machine; the conveying system comprises a conveying belt and a mold, the conveying belt is located below the discharging bin, the mold can be placed on the conveying belt, the discharging bin is of a funnel structure, a discharging opening of the discharging bin is in a long hole shape, the conveying belt can drive the mold to move in a reciprocating mode, and the mold can be placed on the conveying belt. The discharging bin can pour the mixture into the mold in a layered manner; according to the foamed ceramic forming device and method, mixed materials can be poured into the mold in a layered mode, and insufficient charging in the mold is prevented.

The invention relates to the technical field of ceramic forming equipment, and discloses a weaving machine ceramic nozzle pressing forming device which comprises a workbench, a mold cover installed on the workbench, a mold core inserted into the mold cover, a driving motor installed at the bottom of the workbench, a synchronous plate, a guide plate, a knocking rod, a synchronous rod and a combined groove. In the pressing forming process, a driving motor drives a lead screw shaft and an adjusting roller to rotate, a lead screw lantern ring on the lead screw shaft drives a flat plate and a pressing plate to move downwards, the bottom of the pressing plate can slide downwards through a pressing block connected with a pressing rod, and then the pressing block is inserted into a mold cover to press raw materials, so that a nozzle can be formed; and the knocking rod is pushed to continuously knock in the movement of the lantern ring, so that the knocking range is wider, the oscillation is more uniform, only one driving source is used in the pressing and oscillation processes, the equipment production cost is lower than that in the prior art, and the later maintenance is more convenient.

The invention discloses a preparation method of electrostatic chuck ceramic with low temperature dependence, the electrostatic chuck ceramic and an electrostatic chuck. The method comprises the following steps: weighing CaO powder, SiO2 powder and MgO powder according to a weight ratio, and mixing to obtain mixed powder; the mixed powder is sequentially subjected to ball milling, drying, melting, quenching and smashing, and non-crystallized mixed powder is obtained; weighing aluminum oxide powder, non-crystallized mixed powder, MgO powder and Y2O3 powder according to the weight ratio; mixing the weighed powder, adding a solvent, a dispersing agent, a binder and a plasticizer, and carrying out ball milling and vacuum defoaming to obtain tape casting slurry; preparing the tape casting slurry into a ceramic raw ceramic chip through a tape casting process; and performing lamination and isostatic pressing on the ceramic green ceramic chips to obtain the ceramic forming body. The electrostatic chuck ceramic prepared by the invention has relatively low temperature dependence, and when the electrostatic chuck ceramic is suitable for an electrostatic chuck, the electrostatic chuck ceramic can be stably adsorbed and desorbed in a relatively large temperature range.

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.

The utility model provides a bulletproof ceramic forming mold, and relates to the technical field of bulletproof ceramics. The bulletproof ceramic forming mold comprises a base used for installing a device, installing mechanisms are arranged on the two sides of the base, a grouting mechanism used for injecting slurry is arranged above the base, each installing mechanism comprises a threaded block and a connecting rod, each threaded block is fixedly installed at one end of the corresponding connecting rod, and each threaded block is fixedly installed at the other end of the corresponding connecting rod. And the threaded block is in threaded connection with the surface of the inner wall of the base. According to the bulletproof ceramic forming mold, the mounting mechanism is arranged, so that the problems that according to an existing bulletproof ceramic forming mold, a mold plate is difficult to replace, bulletproof ceramic of a single shape and thickness can only be formed, and other devices need to be used when bulletproof ceramic of different shapes or thicknesses needs to be manufactured are solved; according to the bulletproof ceramic manufacturing device, the problems that the manufacturing cost is easily increased and the manufacturing efficiency is affected are solved, and the beneficial effects that the formwork can be detached from the device and replaced with formworks of different shapes, bulletproof ceramic manufacturing work can be effectively completed, and the manufacturing cost is reduced are achieved.

The invention relates to the field of ceramic forming, in particular to antibacterial easy-to-clean ceramic preparation equipment and a process, the structure comprises rolling forming equipment, the rolling forming equipment comprises a machine body and a rotating seat which is arranged on the machine body and drives a mold to rotate, a discharging assembly is further movably arranged on the machine body, and the discharging assembly comprises a scraping plate and a contact wheel which is in transmission connection with the scraping plate; the contact wheel is used for making contact with a rotating mold, the rotating contact wheel drives the scraper to move away from the center of the mold, the moving assembly comprises an output base, and the output base drives the discharging assembly to vertically move. The speed reduction gear set drives the scraper to move away from the mold, the scraper is gradually and transversely pulled out in the material overflowing stage and the shaping stage till being pulled out, the situation that pug and the scraper are stuck and pulled away when the scraper is directly pulled out is avoided, and the integrity of the top face of the formed pug is guaranteed.

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.

Provide a set of chemicals for the production of ceramic dispersions or ceramic gels. The present invention relates to a set of chemicals for the production of ceramic dispersions or ceramic gels, a manufacturing process for ceramic molded parts, and ceramic molded parts manufactured by this 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 utility model relates to the technical field of ceramic processing, in particular to an anti-corrosion feeding bin of photocuring ceramic forming equipment. Comprising a working face bottom plate, a fixed cover plate, a discharging port, a guide rod, a servo motor, a feeding bin side plate, a linear module, a limiting switch, a fixed block, an auxiliary trough, a splicable bin wall, a splicing screw, a fixed bolt, a positioning pin, a back plate, a handle, a feeding bin bottom plate, a connecting plate, a supporting plate and the like. The utility model aims to provide an anti-corrosion feeding bin for photocuring ceramic forming equipment. The anti-corrosion feeding bin solves the problems that in the prior art, a feeding bin is insufficient in volume and prone to corrosion.

The present invention belongs to the technical field of ceramic forming, specifically, a ceramic forming machine, including a processing table and a ceramic forming table fixedly installed on the edge position of one side of the top of the processing table, a limiting sleeve fixedly installed on the front of the processing table and located in the middle position, the top surface of the processing table and the edge position of one side of the ceramic forming table are respectively movably sleeved with a No. 2 SP lifter and a No. 1 SP lifter, and a forming core is arranged on the outer surface of the No. 2 SP lifter. The present invention cooperates with the No. 1 SP lifter to lower the motor one, and fits the bottom surface of the bottom plate to the inner wall surface of the ceramic mud that is initially extruded and formed, and cooperates with the motor two to rotate so that the threaded slider on the output end surface of the motor two rotates and moves toward the direction of the motor two, and as the threaded slider continues to descend, the threaded slider pushes the elastic strip outward when descending, and then fits the outer surface of the elastic strip to the inner wall surface of the ceramic mud.

A method of fabricating a ceramic molded body for sintering, which includes molding a raw material powder containing a ceramic powder and a thermoplastic resin having a glass transition temperature higher than room temperature into a predetermined shape by isostatic pressing and in which a first-stage press-molded body is fabricated by subjecting a uniaxially press-molded body fabricated by uniaxially pressing the raw material powder into a predetermined shape or the raw material powder filled in a rubber die to a first-stage isostatic press molding at a temperature lower than a glass transition temperature of the thermoplastic resin and then a ceramic molded body is fabricated by heating this first-stage press-molded body to a temperature equal to or higher than the glass transition temperature of the thermoplastic resin and performing warm isostatic press molding as second-stage isostatic press molding.

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 relates to a ceramic product forming device, and relates to the technical field of ceramic forming. The ceramic product forming device comprises an injection molding assembly and a forming assembly connected with the injection molding assembly; the injection molding assembly comprises an injection molding shell; the air inlet pipe is communicated with the injection molding shell; one end of the liquid outlet pipe communicates with the injection molding shell, and the other end of the liquid outlet pipe is connected with the forming assembly. The driving part is arranged on the injection molding shell and used for conveying the ceramic raw materials in the injection molding shell to the forming assembly. The injection molding part is connected with the injection molding shell and used for conveying ceramic raw materials; according to the forming assembly, a heating plate is fixedly installed in a forming shell; the top cover covers the forming shell and is connected with the injection molding part; the rotating piece is mounted on the forming shell; the forming die is mounted on the rotating part; the oscillation piece is installed on the forming shell. The injection molding device has the effects that bubbles existing in the ceramic product after injection molding are reduced, and the quality of the molded ceramic product is improved.

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.

Process and slip for the production of ceramic shaped parts made of zirconium oxide ceramic by a 3D inkjet printing process. The slip contains zirconium oxide which is suspended in a liquid medium, wherein the slip has a zirconium oxide content of from 68 to 88 wt.-% and contains not more than 5 wt.-% organic components. The process for the production of ceramic components comprises the layered shaping and subsequent sintering of the desired component from the slip.

The present invention belongs to the field of ceramic formed products, and specifically relates to a bone china and a production process thereof. Specifically, the bone china comprises the following raw materials in parts by weight: 40-55 parts of bone meal, 5-10 parts of andalusite, 5-10 parts of chrysotile, 10-16 parts of feldspar, 6-12 parts of quartz, 8-15 parts of clay, and 2-5 parts of glaze. The present invention adds pre-fired andalusite and chrysotile to the basic raw materials of traditional bone meal, clay, feldspar and quartz, and finds that the thermal shock resistance of the bone china product can be improved, and the bending strength is also improved.

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 three-dimensional porous ceramic machining and forming device comprises a base and a supporting table, one side of the base is fixedly connected with a stand column, the interior of the stand column is rotationally connected with a screw rod, the screw rod is fixedly connected to the output end of a first motor, and the outer side of the screw rod is in threaded connection with a movable seat; a supporting arm is fixedly connected to one side of the moving seat, the forming column moves in a sinking mode under threaded rotation of the screw rod, meanwhile, a third motor is driven, an outer barrel drives a forming barrel to rotate, and then ceramic raw materials can rotate in the forming barrel to be matched with the rotating forming column so that the ceramic forming efficiency can be improved; after the ceramic is formed, the heating mechanism is used for drying the ceramic in the forming cylinder, then the electric push rod is driven to push the lifting plate to move upwards, then the ceramic in the forming cylinder is pushed by the lifting plate to achieve the advantage of being convenient to take, and therefore the production efficiency of three-dimensional porous ceramic machining is effectively improved.