117 results about "Ceramic knife" patented technology

The invention relates to the technical field of cutter manufacturing, in particular to a high-strength and high-toughness ceramic cutter and a preparation method thereof. The metal ions are loaded on the boron nitride nanosheets, the agglomeration phenomenon of the boron nitride nanosheets can be improved through loading of the metal ions, the interaction force between the boron nitride nanosheets is enhanced, and therefore the mechanical strength of boron nitride is improved. According to the preparation method disclosed by the invention, a complex with adhesion is formed on a boron nitride nanosheet by utilizing the chelation of tannic acid and iron ions, and boron nitride loaded with the iron ions and modified hydrotalcite are adhered together by utilizing the adhesion of the complex. The prepared modified soybean protein has a large number of amino groups, the boron nitride-hydrotalcite compound with the amino groups has better compatibility with a modified soybean protein binder, the dispersity of the boron nitride-hydrotalcite compound in a matrix is improved, and the strength and toughness of the ceramic cutting tool are improved.

The invention belongs to the technical field of material preparation, and particularly relates to a method for electric field assisted laser additive manufacturing of a ZrO2-based ceramic cutting tool. According to the method, the electric field is applied in laser additive manufacturing, meanwhile, electrode plates, the electric field, laser machining parameters and materials used for machining in the electric field assisted laser additive manufacturing are optimized, the process of the obtained ceramic cutting tool preparation method is simple, and the obtained ceramic cutting tool has the excellent mechanical property, heat-conducting property, compactness and abrasion resistance.

The invention discloses a metal ceramic cutter preparation device and a preparation method thereof, and relates to the technical field of ceramic cutters, the metal ceramic cutter preparation device comprises a mixing barrel and further comprises a material distributing device, a feeding pipe is fixedly installed at the top of the mixing barrel, a discharging pipe is fixedly installed at the bottom of the mixing barrel, and a servo motor is fixedly installed at the top of the mixing barrel; a rotating rod is fixedly mounted at the output end of the servo motor, a hollow rod is slidably mounted on the circumferential surface of the rotating rod, a curved surface rod is fixedly mounted on the circumferential surface of the hollow rod, and the material distributing device comprises a material distributing frame, a stabilizing rod, a stabilizing block, a linkage frame, a cambered surface plate and a cambered surface hole. The material distributing frame longitudinally moves in a reciprocating mode and rotates to distribute metal powder and ceramic powder on the top of the material distributing frame, the metal powder and the ceramic powder can be prevented from being accumulated in the local area of the mixing barrel through the longitudinal reciprocating movement and rotation of the material distributing frame, and therefore the possibility of local accumulation is reduced.

The invention discloses a preparation method of a textured ceramic cutting tool, and belongs to the technical field of ceramic cutting tools. According to the preparation method, a ceramic core rod is prepared preferentially, the ceramic core rod is placed in a circular truncated cone cavity, long-strip-shaped beta-silicon nitride whiskers are added into ceramic slurry of the ceramic core rod, the ceramic slurry slowly flows into the circular truncated cone cavity under the action of gravity, and the circular truncated cone cavity slowly rotates and is slowly far away from the ceramic core rod; the motion of the circular truncated cone cavity body relative to the ceramic core rod is oblique motion, the ceramic core rod slowly covers the surface slurry to be thickened under the action of the oblique speed of the circular truncated cone cavity body, most of the long-strip beta-silicon nitride whiskers are distributed in the same motion direction under the motion, and the effect of texturing the outer structure of the ceramic cutter is achieved.

The invention belongs to the field of ceramic cutters, and discloses a high-entropy carbide-high-entropy carbonitride ceramic cutter as well as a preparation method and application thereof. The ceramic cutting tool comprises a tool nose high-entropy carbide (Ti0. 2Zr0. 2Nb0. 2Ta0. 2W0. 2) C and a rear tool face high-entropy carbonitride (Ti0. 2Zr0. 2Nb0. 2Ta0. 2W0. 2) CxN1-x (x is more than or equal to 0.1 and less than or equal to 0.9), the preparation method comprises the following steps of: pressurizing carbide mixed powder of TiC, ZrC, NbC, TaC and WC and carbonitride mixed powder of TiC, ZrC, NbC, TaC, WC, TiN, ZrN, NbN, TaN, WN and Ni powder to 30-50 MPa in a vacuum environment, and carrying out spark plasma sintering at 1600-1800 DEG C to obtain the TiC / NbC / TaC / WC composite material. The tool nose of the ceramic tool has high hardness, the rear tool face has high toughness and wear resistance, and the ceramic tool can be applied to continuous cutting of high-hardness materials.

The invention discloses a three-dimensional graphene-carbon fiber network and double-phase high-entropy alloy synergistic strengthening and toughening ceramic cutter material as well as a preparation method and application thereof. The material is prepared from the following components in parts by mass: 87.8 to 90.9 parts of aluminum oxide, 8 to 10 parts of AlCoCrFeNi five-element equal-atomic-ratio high-entropy alloy, 1 to 2 parts of carbon fiber and 0.1 to 0.2 part of graphene. The preparation method comprises the steps of preparation of graphene grafted carbon fibers, preparation of AlCoCrFeNi high-entropy alloy powder, preparation of aluminum oxide-high-entropy alloy-graphene grafted carbon fiber composite ceramic powder and spark plasma sintering. The ceramic cutting tool material is used for preparing high-speed cutting tools. According to the preparation method, a plastic toughening mechanism of a double-phase high-entropy alloy is organically combined with a multi-stage toughening effect of a three-dimensional graphene-carbon fiber network, and a composite ceramic material with high hardness and high fracture toughness is obtained through spark plasma sintering, so that the adaptability of a cutter under a high-speed cutting condition is remarkably improved, and the service life of the cutter under the high-speed cutting condition is remarkably prolonged.

The present invention provides an integrated ceramic tool with thermistor temperature measurement and cutting functions and a preparation method thereof, which comprises a thermosensitive layer and a ceramic matrix layer; the thermosensitive layer is formed by sintering a temperature measurement material and an additive; the ceramic matrix layer is formed by sintering a matrix material, a binder and a reinforcing phase. The preparation method is to make the powders of each layer of materials, lay and compact the powders of each layer of materials layer by layer in sequence, and finally carry out spark plasma sintering (SPS). The present invention further discloses the application of the tool. By selecting temperature-sensitive materials and designing the tool structure, the present invention enables the obtained ceramic tool to meet the requirements of tool performance in industrial production in terms of Vickers hardness, flexural strength and fracture toughness, and realizes the cutting function of the ceramic tool and the real-time measurement of the cutting temperature during the cutting process.

The utility model relates to a ceramic electrotome which comprises a movable clamp head and a fixed clamp head, and the movable clamp head comprises a movable clamp body and an electrode plate. The movable clamp body is made of zirconia ceramics; the movable clamp body comprises a working part and a connecting part, and the connecting part is rotationally connected with the fixed clamp head; the working part is provided with a piece cavity, an electrode piece is fixedly arranged in the piece cavity, and the electrode piece is provided with a lower cutter groove and a plurality of insulating parts used for abutting against the fixed tong head. According to the ceramic electrotome, the movable clamp head is designed into two parts, namely the movable clamp body and the electrode plate which are made of the zirconia ceramic materials, the zirconia ceramic can ensure the strength of the whole movable clamp head, meanwhile, the high-temperature-resistant, insulated and non-conductive capacity can be provided, the clamp head can be prevented from being damaged by high temperature generated in the using process, and the service life of the ceramic electrotome is prolonged. And the service life of the instrument is prolonged.

The invention relates to the technical field of preparation of ceramic cutters for electrical porcelain fettling, and discloses a preparation method of a precisely formed ceramic cutter for electrical porcelain fettling, the method comprises the following steps: weighing raw materials according to mass percentage, the raw materials comprising Al2O3, clay, CaCO3, an additive 1 and an additive 2; mixing the weighed raw materials, deionized water and ballstone according to a specific mass ratio, and putting the mixture into a ball milling tank for full ball milling to obtain ceramic slurry; slowly injecting the prepared ceramic slurry into a mold, standing, demolding, drying a demolded cutter blank in the shade at a specific temperature, and polishing, modifying and removing burrs after drying in the shade to obtain a to-be-sintered blank; and putting the obtained to-be-sintered blank into a box-type furnace, heating to a sintering temperature according to a specific heating rate, carrying out heat preservation, then cooling according to a segmented cooling rate, and finally, carrying out furnace cooling to obtain the precisely-formed electric porcelain fettling ceramic cutter. According to the invention, the fluidity of the Al2O3-based ceramic slurry and the mechanical property of the cutter are improved, and the precise forming effect of the electroceramic fettling cutter with a complex structure is met.

The application discloses a device for preparing a textured ceramic cutter and belongs to the technical field of ceramic cutting tools. The device is characterized in that a ceramic core rod is placed in a circular table cavity, long strip beta-silicon nitride whiskers are added into ceramic slurry of the ceramic core rod, the ceramic slurry slowly flows into the circular table cavity under the action of gravity, the circular table cavity slowly rotates and slowly moves away from the ceramic core rod, the movement of the circular table cavity relative to the ceramic core rod is oblique movement, the ceramic core rod slowly covers the surface slurry under the action of the oblique speed of the circular table cavity, and the long strip beta-silicon nitride whiskers mostly present the same movement direction under the movement, so that the effect of texturing the outer structure of the ceramic cutter is achieved.

The application relates to the technical field of ceramic cutter production, and particularly discloses a high-strength ceramic cutter production process, which comprises the following steps: S1, whisker directional pretreatment; S2, ceramic base body mixing; S3, binder preparation: polyvinyl butyral is dissolved in anhydrous ethanol to form a solution, titanium ester coupling agent NDZ-201 is added, constant-temperature stirring is carried out until the solution is transparent and uniform, and a composite binder is obtained; S4, freeze-drying granulation: mixed powder and the composite binder are mixed, anhydrous ethanol is added, slurry is formed after stirring, the slurry is injected into a mold, freezing is carried out, drying is carried out in a freeze dryer, and the granulation powder is obtained by crushing and sieving; S5, gradient hot-pressing sintering: the granulation powder is loaded into a graphite mold and sintered in a vacuum hot-pressing furnace; and S6, laser surface strengthening: the sintered body is placed on a pulse laser processing platform, and a laser is used to perform laser cladding treatment on the cutter edge area.

The application discloses a device for additive manufacturing gradient ceramic cutters, which comprises a control cabinet, a robot, a laser generator, a powder feeder, a water cooling system, a display, a protective gas cylinder, a laser measuring device, an operating room, a base plate and a laser head. Meanwhile, the application discloses a method for additive manufacturing gradient ceramic cutters: I. preliminary preparation; II. determining an additive path; III. preparation before additive manufacturing; IV. additive manufacturing of a cutter handle; V. additive manufacturing of a cutter blade; VI. finishing of the cutter. When the device works, the laser head performs additive manufacturing according to the set additive path, and a near-net-shaped cutter is quickly obtained, so that the rapid batch manufacturing of the cutter is realized. When the cutter blade is subjected to additive manufacturing, the powder conveyed by the powder feeder is mixed powder of ceramic particles and metal particles with different proportions, so that the cutter blade has different contents of ceramic particles from the two sides to the center, and the cutter blade has sufficient wear resistance and toughness and certain hardness.

The present invention discloses a high-entropy composite toughened gradient ceramic tool material and its preparation method and application, belonging to the technical field of ceramic tool materials. It has a symmetrical five-layer structure, which is a surface layer, a transition layer, a core layer, a transition layer and a surface layer in order; by mass, the surface layer includes 85-91 parts of aluminum oxide and 9-15 parts of high-entropy carbide; the transition layer includes 82.8-90.8 parts of aluminum oxide, 6-12 parts of high-entropy carbide, 3-5 parts of zirconium dioxide, and 0.2 parts of graphene; the core layer includes 82-91 parts of aluminum oxide, 3-9 parts of high-entropy carbide, and 6-9 parts of high-entropy alloy. The thermal stress relief and surface residual compressive stress characteristics of the gradient structure are organically combined with the various toughening mechanisms introduced by the high-entropy composite of graphene, and a high-hardness, high-toughness, high-entropy composite toughened gradient ceramic tool material is obtained through liquid phase + solid phase two-step sintering, which significantly improves the adaptability and resistance of the tool to high-speed cutting.

The invention discloses a kitchen storage knife rest and a kitchen knife set. The kitchen storage knife rest comprises a knife rest body and a clamping piece. The tool rest body is provided with a tool bit inserting groove and a guide containing groove, the tool bit inserting groove penetrates through the tool rest body in the height direction of the tool rest body, and the guide containing groove communicates with the tool bit inserting groove. The clamping piece is arranged in the guide containing groove in a sliding mode. When the tool bit of the tool is located in the tool bit inserting groove, the clamping piece and the groove wall of the tool bit inserting groove jointly clamp the tool bit of the tool under the action of gravity. Due to the fact that a clamping mechanism does not depend on magnetic adsorption, but depends on mechanical contact and gravity compression, the kitchen storage knife rest can be compatible with knives made of various materials, including knives made of non-ferromagnetic or weak magnetic materials such as ceramic knives, titanium alloy knives and high-carbon stainless steel knives, the application range of the kitchen storage knife rest is remarkably widened, and the universality of the kitchen storage knife rest is remarkably improved.

The invention discloses a preparation method and application of binding-phase-free, high-toughness and self-toughening WC-based composite ceramic applied to the field of high-speed cutting, and belongs to the technical field of ceramic materials. The invention aims to break through the technical problems that the transition metal carbide is difficult to sinter and densify and low in fracture toughness. The method comprises the following steps: 1, preparing composite powder; and 2, putting the fully mixed composite powder into a mold, and then putting the mold into a discharge plasma sintering furnace for sintering to obtain the WC-based multiphase ceramic. According to the method, transition metal and carbon are subjected to reactive sintering to generate plate-shaped WC crystal grains, in-situ self-toughening of a cutter material is achieved, the phenomena of deflection, bridging and the like occur in the crack propagation process, the crack propagation energy is consumed, and therefore the strength and toughness are remarkably improved; the invention avoids introduction of a binding phase which is low in melting point and easy to soften at high temperature, develops a novel design and preparation method of the ceramic cutter material for high-speed cutting, and has important significance for the ceramic cutter material for high-speed cutting.

The invention relates to an oval ceramic knife sharpening rod with a collision buffering structure. The oval ceramic knife sharpening rod is mainly composed of an oval ceramic rod, a sleeve head, a grab handle and the collision buffering structure. The oval ceramic rod with the collision buffering structure is a hollow ceramic rod with the oval periphery. The sleeve head is combined and fixed at the top of the hollow ceramic rod; the grab handle is provided with a baffle and extends to form a supporting rod, and a threaded section is arranged at the top end of the supporting rod; the collision buffering structure comprises a lower liner, an oval flexible sleeve and an upper liner. By means of the oval ceramic rod with a large area, the contact face with a cutter can be increased, and the cutter sharpening efficiency is improved; in order to prevent the hollow oval ceramic rod from being broken due to collision, a collision buffering structure is arranged in the hollow interior of the oval knife sharpening rod, when the knife sharpening rod falls off or is collided, collision shock waves can be absorbed through the oval flexible sleeve, force is buffered, the ceramic rod is prevented from being broken, and the service life of the knife sharpening rod is prolonged.

According to the metal cold and hot cutting saw blade, the heat dissipation grooves and the heat conduction strips connected with the tool bits are arranged on the two sides of the saw blade body, the tool bits are metal ceramic blades, and the metal ceramic blades have high high-temperature resistance, so that the saw blade is more suitable for continuous cutting for a long time; the metal ceramic blade is low in heat conductivity, heat generated by high-speed cutting can be taken away along with cuttings, the metal ceramic blade is not prone to heating, heat generated by a tool bit in the long-time cutting process can be rapidly guided to the whole body of the saw blade body through the copper alloy heat conduction strips with the high heat conductivity coefficient, heat exchange is conducted with air through the heat dissipation grooves in the rotating process, and therefore the saw blade can be used for cutting. The heat on the tool bit is quickly dissipated, the situation that the cutting quality is reduced due to long-time use is prevented, the service life of the saw blade is prolonged, the chip discharging groove can quickly discharge the cut chips, and the situation that the cutting performance is reduced due to the fact that the cut chips are accumulated at the tool bit is prevented.

The invention discloses a boron carbide composite ceramic tool bit and a preparation method thereof. The boron carbide composite ceramic tool bit comprises a tool bit body and a welding transition body, the tool bit body is internally provided with a boron carbide ceramic framework with a three-period minimal curved surface topological structure, three-dimensional communicating holes of the framework are filled with a metallic bond and diamond abrasive particles, and the welding transition body is a pure metallic bond transition layer. A hard wear-resistant phase is arranged on the outer surface of the combination body. The method comprises the following steps: constructing a boron carbide ceramic skeleton with a pore surface micro-nano diversion trench through additive manufacturing, and depositing an electromagnetic sensitive phase; injecting the powder into the three-dimensional communicated pores and assembling a green body; applying mechanical oscillation pressure and a high-frequency alternating electromagnetic field at the sintering temperature, and inducing an in-situ metallurgical reaction by utilizing local joule heat generated by a skin effect to finish densification sintering; and a surface hard wear-resistant phase is generated through chemical heat treatment or component in-situ reaction. Compact interlocking of the internal structure is achieved, the service life of the tool bit is prolonged, and the welding strength of the tool bit is improved.

The invention discloses a device for preparing a textured ceramic cutting tool, and belongs to the technical field of ceramic cutting tools. A ceramic core rod is placed in a circular truncated cone cavity, long-strip-shaped beta-silicon nitride whiskers are added into ceramic slurry of the ceramic core rod, the ceramic slurry slowly flows into the circular truncated cone cavity under the action of gravity, the circular truncated cone cavity slowly rotates and is slowly away from the ceramic core rod, and the circular truncated cone cavity obliquely moves relative to the ceramic core rod. The ceramic core rod slowly covers the surface slurry to be thickened under the action of the oblique speed of the circular truncated cone cavity, most of the long-strip beta-silicon nitride whiskers are distributed in the same movement direction under the movement, and the texturing effect of the outer structure of the ceramic cutter is achieved.

The ceramic cutter convenient to clean comprises a cutter handle and a cutter head, a mounting groove corresponding to the cutter head is formed in the cutter handle, a handle is arranged outside the cutter handle, a movable frame is connected to the top of the cutter head in a sliding mode, and scraping strips are connected to the two sides of the inner wall of the movable frame in a rotating mode. A positioning frame is fixedly connected to the top of the end, close to the tool bit, of the tool handle, a positioning pin is in threaded connection with the top of the positioning frame, an anti-skid pad is fixedly connected to the top of the tool back of the tool bit, a tool holder is fixedly connected to the tail end of the tool bit, and the tool holder is inserted into the mounting groove and fixed to the mounting groove through a bolt. The knife handle, the knife head and the scraping strip are matched with one another, the movable scraping strip is arranged at the top of the knife head, residual dishes attached to the knife can be conveniently cleaned through the scraping strip, a user does not need to make direct contact with the knife face through the hand, and the use safety of the knife is greatly improved.

The invention discloses a manufacturing method of a non-cohesive gel ceramic knife, which comprises the following steps: 1) preparing slurry, namely putting nanoscale yttrium-stabilized zirconia powder, a dispersing agent, an adhesive, a plasticizer and a solvent into a ball-milling tank for mixing and ball-milling to prepare the slurry; 2) tape casting: carrying out tape casting on the slurry to prepare a raw membrane; (3) isostatic pressing treatment: covering the upper surface and the lower surface of the raw diaphragm with release paper with the surface roughness Ra of 3-5 microns, putting the raw diaphragm into a sealing bag for vacuumizing treatment, then carrying out isostatic pressing treatment to form the roughness of the release paper on the surface of the raw diaphragm, and separating the sealing bag and the release paper from the raw diaphragm after isostatic pressing treatment; (4) pre-cutting: cutting the raw diaphragm subjected to isostatic pressing treatment into a blade shape; 5) degumming: feeding into a degreasing furnace for degumming; 6) sintering: sintering in a sintering furnace; and (7) edging is conducted, specifically, a rough grinding wheel is used for edging, and a rough edge face and a sawtooth-shaped cutting edge are formed. The manufactured ceramic cutting tool is good in anti-sticking effect, compact and uniform in blade and high in strength.

The invention belongs to the technical field of ceramic material preparation, and particularly relates to a preparation method of a TiC particle / Al2O3 ceramic cutter. According to the method, TiC particles, nanoscale Al2O3 powder and MgO powder are used as raw materials, and the ceramic is prepared through the processes of ceramic mixed powder preparation, blank preparation through oscillation pressure sintering, grinding and polishing and blank forging and pressing through oscillation pressure. According to the TiC particle / Al2O3 ceramic cutter prepared by the method, the grain boundary is further strengthened and the dislocation density in the grains is increased while the fine grain hardening effect is maintained, so that the bending strength and the fracture toughness of the material are enhanced while a sample is maintained in a high-hardness region.

The invention discloses a fixed semiconductor wafer cleavage device, which is provided with a scribing device and a splitting device, the two parts are respectively provided with a fixing mechanism and a processing mechanism and can move along a guide rail, a wafer mounting mechanism is arranged in the middle of the cleavage device, and a wafer is fixed on the wafer mounting mechanism through a wafer ring. The scribing fixing mechanism carries out vacuum adsorption, the scribing machining mechanism carries out scribing on the wafer at the designated position of the wafer, the wafer fixing mechanism supports the wafer at the lower portion of the wafer mounting mechanism, and a ceramic knife of the wafer machining mechanism is aligned with the back of a wafer scratch and presses downwards, so that the wafer is cleaved and broken along the scratch. Therefore, the semiconductor cleavage automatic processing of the fixed wafer is realized.

The application discloses a preparation method of a textured ceramic cutter and belongs to the technical field of ceramic cutting tools. The method comprises the following steps: preferentially preparing a ceramic core rod; placing the ceramic core rod into a circular table cavity; adding long strip beta-silicon nitride whiskers into ceramic slurry of the ceramic core rod; and slowly flowing the ceramic slurry into the circular table cavity through gravity, slowly rotating and moving away from the ceramic core rod, and moving the circular table cavity relative to the ceramic core rod in a slanting manner. The ceramic core rod slowly covers the surface slurry and thickens under the action of the slanting speed of the circular table cavity, and the long strip beta-silicon nitride whiskers are mostly distributed in the same movement direction under the movement, so that the effect of texturing the outer structure of the ceramic cutter is achieved.

The invention discloses a high-hardness antibacterial ceramic cutter material which is prepared from the following raw materials in parts by weight: 25-35 parts of nano AlN, 25-35 parts of nano silicon carbide, 15-25 parts of nano chitin, 1-3 parts of Gy2O3, 3-4 parts of LaO, 5-8 parts of sodium fluoride, 3-4 parts of Y2O3, 1-3 parts of aluminum oxide, 3-4 parts of kaolin, 2.1-3.1 parts of titanium oxide, a proper amount of deionized water, 0.8-1.3 parts of tung oil, 1.3-1.6 parts of polyethylene glycol, a proper amount of ethylene glycol and 3.8-5 parts of a performance optimizing agent. The ceramic material disclosed by the invention has extremely high hardness, wear resistance and antibacterial property, is excellent in comprehensive performance, can be used as a kitchen knife material or an industrial cutter material, and is high in cost performance; by using the nano chitin, the antibacterial property and toughness of the ceramic material are enhanced; by using the performance optimizing agent provided by the invention, the surface smoothness and the comprehensive performance of the ceramic are further improved.

The invention relates to a wear part (1) for a mill, in particular a grinding roller or a grinding plate. The wear part (1) comprises a metal casting material (2) and at least one porous ceramic insert (3). The at least one porous ceramic insert (3) is embedded in the metal casting material (2) and infiltrated thereby. The at least one porous ceramic insert (3) has at least one conical or tapering recess (6). The invention also relates to a mill, to a method for producing a wear part (1) of a mill, and to the use of ceramic inserts (3) in a wear part (1) of a mill, which ceramic inserts have been cast in a metal casting material (2).

A kind of ceramic cutter with magnetic absorption function, its structure includes storage bin, it includes at least one magnetic attraction plugboard and magnetic attraction column and storage shell, the storage shell inside has accommodating groove, the magnetic attraction plugboard and magnetic attraction column are located in accommodating groove, the outer wall of storage shell is embedded with adsorption groove;Handle, detachably set in adsorption groove, it includes mutually nested shell and inner shell, a plurality of positioning nails are provided on the shell and inner shell, the shell and inner shell are provided with hollow hole matched with positioning nail, the inner shell is provided with insertion slot;Blade body, slidingly arranged in insertion slot, is provided with magnetic attraction assembly at bottom;The cutter is realized the quick replacement of blade body and handle by magnetic attraction connection mode.Cylindrical storage bin is designed simultaneously, inner wall is provided with rotatable magnetic attraction insertion slot, for subpackaging different function blade body, outer wall is embedded with adsorption groove, for adsorbing handle, improve the storage efficiency, also by magnetic attraction connection mode, the stability and safety of cutter are enhanced.

The utility model relates to the technical field of ceramic blades, and discloses a high-strength ceramic blade fixing device which comprises a workbench, a rectangular connecting block is welded to the middle of the upper surface of the workbench, a rectangular mounting plate is welded to the upper surface of the rectangular connecting block, and a limiting fixing mechanism is arranged on the rectangular mounting plate. The limiting and fixing mechanism is used for stably fixing the high-strength ceramic blade and comprises a rectangular plate, the rectangular plate is arranged on the upper surface of the rectangular mounting plate, a first circular groove is formed in the upper end of the rectangular mounting plate, and a first hydraulic telescopic rod is fixedly mounted at the lower end of the interior of the first circular groove; the high-strength ceramic blade can be more stably fixed through the limiting plate, and more convenient and rapid mounting and dismounting are performed through the second hydraulic telescopic rod and the fixing rod, so that the working efficiency of the high-strength ceramic blade is improved, and the use efficiency of the high-strength ceramic blade is improved.

A ceramic tool with integrated temperature sensing and cutting functions and preparation method and application thereof. The ceramic tool comprises a ceramic matrix, a positive thermoelectric layer and a negative thermoelectric layer being provided on two surfaces of the ceramic matrix; the ceramic matrix being formed by sintering a first matrix material, a first binding agent and a first reinforcing phase, and the thermoelectric layer being formed by sintering of a thermoelectric material; the first matrix material comprises one or more of Al2O3, Si3N4 and CBN; the first binding agent comprises one or more of Mo, Ni, Co, W and Cr; the first reinforcing phase comprises one or more of TiC, WC, SiC, MgO, Cr2O3, TiO2 and ZrO2; the thermoelectric material for the positive thermoelectric layer comprises ZrB2 and SiC; the thermoelectric material for the negative thermoelectric layer comprises ZrB2, SiC, and graphite.

A levering mechanism for a ceramic cutter device includes a main body assembly and an actuator element. The main body assembly includes a first and a second body structure, both being pivotably connected to each other by a first articulation, so that a first and a second pivoting end positions are defined. The actuator element is pivotably connected to the first body structure and includes a curvilinear base in contact with a contact pivot shaft transversally arranged on the second body structure, the curvilinear base defining a first and a second leverage positions. The levering structure is configured such that when the first body structure is pivoted from the first to the second pivoting end position, the pivoting movement of the first body structure causes the actuator element to move from the first leverage position to the second leverage position.