235 results about "Diamond tool" patented technology

The invention discloses a diamond cutter path error compensation method based on cutter wear evolution, which comprises the following steps: S1, multi-modal sensor data acquisition and processing: in the machining process, key state information between a diamond cutter and a workpiece is acquired in real time through a multi-modal sensor; s2, tool wear modeling: key geometric parameters and evolution trend of tool wear are extracted from the collected and processed data, and tool wear modeling is carried out. And S3, artificial intelligence prediction of the abrasion loss: training a tool abrasion prediction model based on a deep learning network structure. And S4, tool path compensation is conducted, specifically, the predicted abrasion loss and the actual free-form surface model are combined, the tool path compensation amount and the compensated control point coordinates are calculated, a new machining path is generated, and dynamic compensation of tool cutting edge abrasion is achieved. And S5, system integration and closed-loop control: integrating the steps on processing equipment, and realizing real-time data interaction and synchronization through a unified data protocol.

The invention belongs to the technical field of brazing materials, and particularly relates to micro-nano particle reinforced nickel-based ultralow-melting-point wear-resistant brazing filler metal and a preparation method and application thereof. The invention provides micro-nano particle reinforced nickel-based ultralow-melting-point wear-resistant brazing filler metal. The micro-nano particle reinforced nickel-based ultralow-melting-point wear-resistant brazing filler metal comprises 94-99 parts of ultralow-melting-point nickel-based brazing filler metal and 1-6 parts of micro-nano particles. The ultralow-melting-point nickel-based brazing filler metal contains B, Si, In, Sn and Cu elements at the same time, and the melting temperature of the brazing filler metal can be cooperatively reduced; and meanwhile, the micro-nano particles are added, so that the strengthening and abrasion increasing effects on the nickel-based brazing filler metal can be effectively guaranteed, and meanwhile the flowability of the brazing filler metal is not affected. Therefore, through component design of the nickel-based brazing filler metal and synergistic cooperation of the micro-nano particles, the melting point of the brazing filler metal can be remarkably reduced, the brazing filler metal can be endowed with excellent hardness and wear resistance, and the technical bottlenecks that traditional nickel-based brazing filler metal is high in melting temperature and poor in wear resistance and brazed diamond is subjected to thermal damage are solved; and the method has a wide application prospect in brazing of diamond tools.

The invention belongs to the technical field of ultra-precision machining, and discloses a preparation method of a transmission electron microscope (TEM) sample of a cutting edge of a single-point diamond cutter, a Pt protective layer is deposited at the worn part of the cutting edge, the damage of a focused ion beam to the surface morphology of a notch when the sample is cut is reduced, and the TEM sample capable of observing the surface morphology and internal defects of the cutting edge at the same time is prepared. The method comprises the steps of pretreating a sample, placing the sample, covering a protective layer, etching the sample, transferring the sample, thinning the sample and the like. According to the TEM sample, the Pt protection layer is introduced in the focused ion beam machining process, damage to the surface morphology of the notch when the sample is cut by the focused ion beam is reduced, and the TEM sample with the cutting edge surface morphology and internal defects capable of being observed at the same time is prepared. According to the method, the surface morphology of the sample can be effectively protected, meanwhile, characterization of the internal defects of the cutting edge is achieved, and the method has important application value.

The invention belongs to the technical field of ultra-precision machining, and discloses a constant-energy laser-assisted curved surface machining method and system.The method comprises the steps that the inclination angle between a laser beam and an incident plane is adjusted, and the laser beam is made to be emitted out of the front tool face of a diamond tool; based on the curved surface machining cutting track, the acting position of a diamond cutter arc in each machining site is determined, and the laser beam offset distance is obtained; laser focus position compensation is conducted based on the laser beam offset distance, so that any machining site obtains laser assistance; a mapping relation model between the laser power and the material softening temperature corresponding to different machining sites is obtained through simulation; acquiring actual laser power required by all processing sites based on the mapping relation model; and according to the actual laser power, all the machining sites of the to-be-machined area are sequentially subjected to laser-assisted machining. By means of the method, the effect of improving the surface quality and surface shape precision of machining of the hard, brittle and difficult-to-machine material curved surface optical element can be achieved.

The present invention proposes a diamond tool for dressing an internal meshing honing wheel, the diamond tool comprising an annular tool base and a diamond layer disposed on the front side of the tool base; the diamond layer is coaxially fixed to the tool base; and a trimming bevel tooth is provided on the outer periphery of the diamond layer so that the end face tooth edges of the trimming bevel tooth are used to dress the honing wheel. The diamond tool of the present invention is an external tooth helical gear structure. When meshing and dressing the honing wheel, material is removed from the honing wheel only by relying on the end face tooth edges of the trimming bevel tooth on the diamond layer. The trimming bevel tooth has a trimming tooth profile, which can achieve tooth profile modification of the honing wheel. At the same time, the movement of the honing machine tool drives the diamond tool to achieve tooth direction modification of the honing wheel tooth surface. Since the tooth surface of the trimming bevel tooth does not contact the tooth surface of the honing wheel, it is suitable for dressing honing wheels with different tooth direction modification requirements.

A tool changing device of a diamond lathe belongs to the technical field of diamond lathes and comprises a moving structure and a tool changing table, a tool changing structure is fixedly mounted at the top of the tool changing table, and a tool magazine structure is fixedly mounted at the top of the tool changing table; a telescopic rod of a first electric push rod drives an electric cylinder to move upwards through driving of the first electric push rod, then two sets of electric clamping hands clamp one diamond tool bit through starting of the electric cylinder, then the first electric push rod resets to enable the diamond tool bit to descend to the position parallel to the tool bit, and then second electric push rods on the two sides drive the diamond tool bit at the same time. The output shaft pushes the connecting block, due to the fact that the connecting block is hinged to the hinge rods through the rotating rod, when the connecting block is pushed, the hinge rods on the two sides can be turned over around the lower half portion, and due to the fact that one end of the upper portion of each hinge rod is connected with the first sliding groove in a sliding mode, when the hinge rods are turned over, the tool changing block and the sliding block can be driven to move forwards in the second sliding groove. Therefore, the diamond tool bit can be inserted into the tool hole.

The diamond member has a rake face and a flank. The ridge between the rake face and the flank forms a cutting edge. The arithmetic mean roughness of the rake face is 0.1 μm or more and 1.0 μm or less. The diamond member is measured for energy loss associated with the excitation of K-shell electrons of carbon by electron energy loss spectroscopy using a transmission electron microscope. The energy loss is used to measure the π bond originating from the carbon π bond in the graphite phase. * The intensity of the peaks and the σ due to the σ bond of carbon in the graphite phase and the diamond phase are * The peak intensity is calculated. * The peak intensity is σ * Divide the value by the peak intensity to obtain I π* / I σ* When the diamond material on the surface of the rake face is π* / I σ* is between 0.2 and 2.

The utility model relates to diamond tool bit processing field discloses a kind of for diamond tool bit cooling device, comprising: mould seat, cooling mechanism is arranged on the mould seat;The cooling mechanism includes water tank one, cooling channel, water tank two, return pipe, connecting pipe, radiator pipe, cooling fan and ejector assembly;Water tank one is fixedly installed at the bottom of mould seat, the cooling channel is opened in mould seat, water tank two is fixedly installed at the top of water tank one, the return pipe is fixedly installed on mould seat and water tank two, the connecting pipe is fixedly connected with return pipe and radiator pipe, cooling fan is fixedly installed on mould seat;The ejector assembly includes ejector rod, floating plate and conduit.The utility model has following advantages and effects: can efficiently cool and lower temperature to the diamond tool bit after forming, and after cooling and lowering temperature, it is convenient to take out diamond tool bit.

The invention discloses a diamond saw blade welding device, and particularly relates to the technical field of diamond saw blade welding, the diamond saw blade welding device comprises a shell, supporting legs are fixedly connected to the four corners of the lower end of the shell, two first cabinet doors are rotatably connected to the front end of the shell, and a second cabinet door is rotatably connected to the left end of the shell; a pressing assembly is arranged on the right portion of the inner surface of the shell, and an auxiliary positioning assembly is arranged on the inner surface of the shell. According to the welding device for the diamond saw blade, the auxiliary positioning assembly is arranged, so that the positions of the base and the diamond tool bit are accurately positioned during welding, position deviation between the base and the diamond tool bit is avoided, poor welding or the precision problem caused by the position deviation is avoided, and the welding quality of the diamond saw blade is improved. The welding precision and stability are improved, the welding quality of the diamond tool bit and the base is ensured, welding defects caused by improper positions are reduced, and the overall welding effect is improved.

The invention discloses a diamond grinding tool femtosecond laser trimming device and a trimming method thereof.The diamond grinding tool femtosecond laser trimming device comprises a sealing box, an adjusting ring is rotationally clamped on the sealing box and controlled through an electric motor, a plurality of pairs of air holes are formed in the adjusting ring, each pair of air holes comprises an air inlet and an air outlet, and the air inlet is communicated with the air outlet; a hose is arranged in each air hole in a penetrating mode, all the hoses are controlled through a comprehensive discharging and sucking controller, the comprehensive discharging and sucking controller is connected to a computer display and control system, and a trimming assembly is arranged in the sealing box. According to the device, the air blowing pipe and the air suction pipe are arranged to pass through air holes in the side of the transparent sealing box and are aligned with the femtosecond laser spot position to blow out inert gas, and therefore the influence that gas microparticles formed in the finishing process return to cover the diamond curved surface is avoided; therefore, pits and convex points caused by non-uniform energy absorption in the finishing process are avoided, and the finishing efficiency and the surface quality of the diamond grinding tool are improved.

The application discloses a preparation method of a diamond tool bit, and the hot-pressing die of the diamond tool bit is aimed at a drill cutting tool bit and a sharp corner tool bit, the upper pressing head and the lower pressing head are respectively divided into two parts, so that the structure of the die pressing head group is simpler, and the manufacturing cost is lower; and the hot-pressing pressure can be provided according to the shrinkage ratio during hot-pressing sintering, and the use is more flexible; the top of the drilling end surface of the prepared diamond tool bit is formed into a triangular sharp top cutting edge, excellent self-sharpening and sharpness of the tool bit are maintained, wear resistance is high, and the service life is long; the size and shape error of the formed diamond tool bit are small, the precision is high, and the quality is good; the diamond drill bit can quickly cut into the drilled material, the drilling speed of the tool bit is improved, the drilling sharpness is improved, and the cutting stability and safety are ensured.

The invention discloses a large-size hole forming cutter based on a CVD diamond compact and a manufacturing method of the large-size hole forming cutter, and belongs to the field of diamond cutters. The large-size hole forming cutter based on the CVD diamond compact comprises a cutter body, and a first CVD diamond is arranged at the top end of the cutter body; a plurality of sets of second CVD diamonds and third CVD diamonds which are located on the two sides of the cutter body in pairs are arranged below the first CVD diamonds, the first CVD diamonds, the second CVD diamonds and the third CVD diamonds are all welded to the cutter body through hard alloy transition layers, and the cutter body is provided with an anti-chip groove. According to the large-size drilling tool based on the CVD diamond and the manufacturing method of the large-size drilling tool, the problems that an existing tool provided in the background technology is insufficient in abrasion resistance and low in interface bonding strength, and a large-size cutting edge is prone to layering are solved.

The invention provides a diamond saw blade tool bit and a preparation method thereof, and belongs to the technical field of diamond saw blades. The diamond saw blade tool bit is prepared from, by mass, 28%-45% of iron, 23%-35% of copper, 8%-16% of nickel, 10%-22% of cobalt, 3%-9% of tin, 0.2%-1.0% of hollow ceramic balls and 2.0%-4.0% of diamond. The invention further provides a diamond saw blade comprising the diamond tool bit and a base material. By adding the hollow ceramic balls, the effects of weakening the abrasiveness of the matrix, increasing the porosity of the diamond tool bit, facilitating rapid exposure of the diamond and increasing the slotting and polishing speed can be achieved in the diamond matrix. The diamond saw blade provided by the invention is suitable for processing non-metal brittle and hard materials such as expressways, airport runways, bridge engineering, stone processing and the like.

The present invention relates to the technical field of diamond tool preparation, and particularly to a production method of metal powder-coated diamond surface. The production method of the metal powder-coated diamond surface in this application is to dissolve a binder accounting for 1-5% of the organic solvent and a dispersant accounting for 1-5% of the organic solvent in the organic solvent according to the weight ratio of the organic solvent, to obtain a slurry solvent; then add at least two kinds of metal powders into the slurry solvent and stir evenly to obtain a mixed slurry required for coating; then put diamond particles into a coating container, and make the diamond particles in an air suspension state in the coating container; finally, spray atomized slurry on the surface of the diamond particles for coating to obtain diamond particles with at least two layers of metal powder coated on the surface, achieving the effect of double coating layers on the diamond surface with a single coating process, and various coating effects can be achieved by adjusting the types of inner and outer layer powders, greatly expanding the freedom of diamond tool production and processing.

The invention relates to the technical field of ultra-precision machining, in particular to a device and method for adjusting the center height of a diamond lathe tool, and the device is characterized in that a pneumatic conversion clamp is installed on a stand column of an ultra-precision machine tool; the image acquisition module is arranged on the pneumatic conversion clamp; the piezoelectric ceramic lifting platform is installed on the ultra-precision machine tool, and the ultra-precision machine tool controls the piezoelectric ceramic lifting platform to move in the X direction and the Z direction. The diamond cutter is mounted on the piezoelectric ceramic lifting platform; the piezoelectric controller controls the piezoelectric ceramic lifting platform to move and step length in the Y direction; and the upper computer is respectively connected with the image acquisition module and the piezoelectric controller. The center height of the diamond cutter is fed back through image definition, and on-machine automatic adjustment is achieved. According to the method, image feedback and cutter motion control are combined, rough and fine cutter image definition climbing method adjustment is adopted, full-automatic sequential center height automatic adjustment of multiple cutters is achieved, the detection process is executed in a non-contact mode, and good measurement consistency and stability are achieved.

The invention discloses a cutting force measuring method for atomic precision machining, which belongs to the field of atomic precision machining and comprises the following steps of: 1, determining the elastic rigidity of an atomic force microscope probe; step 2, preprocessing an atomic force microscope probe; step 3, preparing a cut sample; fourthly, the atomic-scale sharp diamond cutter is prepared; step 5, installing the sheet sample on an X-Nano multi-degree-of-freedom in-situ transmission electron microscope sample rod; 6, measuring the cutting force by using an X-Nano multi-degree-of-freedom nano control technology; and 7, calculating the displacement of the diamond cutter and the sheet sample in the x direction under different frames, and drawing a relation curve of the cutting stroke and the cutting force. According to the invention, the cutting force measurement of atomic precision processing is realized under the TEM based on the AFM probe, the cutting force measurement range can be flexibly adjusted according to the amplification factor of the TEM and the elastic rigidity of the AFM probe, and the method is suitable for the cutting force measurement of various materials.

The utility model provides a surface quality detection device applied to diamond cutter alloy matrix, which comprises a workbench, a support rod and a track plate, the left side of the top of the workbench is fixedly provided with the support rod, the top of the support rod is fixedly connected with the track plate, the track plate is internally provided with a fixing assembly, and the fixing assembly is fixedly connected with the support rod. The top of the workbench is provided with a detection mechanism, and the right side of the workbench is provided with a rotating mechanism. The gear ring can be driven to rotate at the top of the workbench through the self-locking motor and the gear, the gear ring can drive the fixed ring at the top of the gear ring to rotate while rotating, and the detection ring is fixed at the top of the fixed ring and used for driving the detection ring to rotate at the top of the workbench. Therefore, the cutting edge of the diamond cutter and the detection ring are automatically and repeatedly rubbed in a short time, then the loss degree of the cutting edge is observed, the detection time is shortened, and the detection efficiency of the diamond cutter is improved.

The utility model relates to the technical field of cooling devices, in particular to a coating cooling device for diamond cutter machining, which mainly comprises a working chamber, a rotating disc arranged in the working chamber, a spraying opening arranged in the working chamber, and an adjusting assembly arranged on the rotating disc and comprising a fixed shaft arranged in the working chamber, a sliding groove is formed in the fixing shaft, a circular ring is arranged on the rotating disc, a spraying head is arranged on the inner side of the circular ring, and the adjusting assembly is used for cooling the cutter; and the circulating assembly is arranged on the rotating disc, the circulating assembly comprises a circular truncated cone arranged on the rotating disc, and an arc groove is formed in the circular truncated cone. According to the coating cooling device for diamond cutter machining, the cutter is driven to rotate through the rotating disc, the circular ring can be driven to move on the sliding rod through the sliding groove, cooling liquid can be evenly sprayed to the cutter through the multiple sets of spraying heads arranged in the circular ring, and therefore heat of the cutter can be rapidly reduced.

The invention discloses an automatic mould assembling machine for a diamond tool bit, which is applied to the technical field of diamond tool bit production and is characterized in that a negative pressure material moving mechanism is arranged, and the negative pressure material moving mechanism can automatically suck a diamond tool bit material in a temporary storage mechanism into a mould frame structure through a negative pressure suction cup; by arranging the bearing structure and synchronously sucking the material in the bearing structure into the temporary storage mechanism, the work of placing the diamond tool bit material in the mold frame structure can be automatically operated, so that the production efficiency of the diamond tool bit in the mold assembling process can be improved, and the influence of manual placement on the subsequent yield of the diamond tool bit is reduced; the temporary storage mechanism is divided into a plurality of storage cavities, so that a plurality of diamond tool bit materials can be stored at a time, die assembling work of the diamond tool bit materials has a large scale during one-time operation, the die assembling efficiency is greatly improved, and the effect of positioning the diamond tool bit materials can be achieved when the diamond tool bit materials are placed in the temporary storage mechanism.

A method for machining microchannel structures using Lissajous figure trajectory motion belongs to the field of microstructure machining technology. A micro-milling machining trajectory for a single-point tool is designed based on the Lissajous figure. With only a single tool feed, both sides of the microchannel can be simultaneously reverse milled, thereby obtaining a smooth microchannel structure and improving machining efficiency. The method includes the following steps: S1. Constructing a milling trajectory based on the Lissajous figure; S2. Accurately calculating the cutting thickness and cutting angle; S3. Preparing for micro-milling; S4. Machining the microchannel structure; and S5. Testing and evaluating the microchannel structure. Based on single-point diamond tool trajectory machining technology, the present invention designs the shape of the Lissajous figure so that the tool processes both sidewalls of the channel using reverse milling in a single feed, ensuring the same surface quality on both sides. This improves machining efficiency and can accommodate the machining of microchannels of a wider range of sizes.

The utility model belongs to the technical field of diamond cutters, and particularly relates to a diamond cutter convenient for quick clamping, which comprises a cutter body, a spare piece and a fixing device, a blade is inserted into the inner wall of the cutter body, and the spare piece is inserted into the inner wall of the cutter body; a fixing device is arranged on the inner surface of the cutter body and comprises two containing grooves, the two containing grooves are formed in the surface of the cutter body, inserting columns are slidably connected to the inner walls of the containing grooves of the cutter body, sliding blocks are fixedly connected to the side walls of the inserting columns, inserting holes are formed in the positions, close to the inserting columns, of the surface of the blade, and a blocking device is arranged on the surface of the cutter body and comprises a fixing block. The bottom end of the fixing block is fixedly connected with the surface of the cutter body, the surface of the fixing block is rotationally connected with a sealing plate, and the side wall of the sealing plate is fixedly connected with a push block; by arranging the sliding block and the inserting column, the position of the blade can be limited, meanwhile, the use and operation steps of the tool can be reduced, and therefore the effect of rapidly disassembling and assembling the blade is achieved.

The application discloses an ultra-precision air static pressure rotary table, which comprises a radial brass bearing sleeve, a table top, a base, a feedback grating system, an axial thrust, a gas distribution block and an air bearing core. The application has the advantages that: for the 300mm nominal disc diameter specification, the four core performance requirements of focusing low speed / low-medium speed operation, large load bearing, ultra-high structural rigidity and nanometer level rotation accuracy can be met, and the application can be widely applied to 300mm semiconductor wafer detection and calibration platforms, optical element ultra-precision grinding / polishing machine tools, diamond tool ultra-precision cutting rotary tables, large-size part high-precision measurement detection instruments, micro-nano manufacturing system rotary tables, aerospace precision component processing equipment and other national strategic high-end manufacturing equipment. The application is a core basic component for supporting modern ultra-precision machining, semiconductor detection, optical manufacturing and precision measurement industry to realize low-speed stable operation, heavy load support, high rigidity precision protection and nanometer level positioning.

The present invention provides an electroforming device based on a buried-sand type capillary diamond tool, which is characterized in that it includes a frame, a shaft system mechanism for transmitting torque, a gear train mechanism, and a fixture mechanism for fixing a workpiece and buried sand; the shaft mechanism, the planetary gear mechanism, and the fixture bracket are all arranged inside the electrolytic cell frame, and the shaft mechanism is connected to the lower cover plate of the electrolytic cell and the motor through a bearing support rod and a coupling, the gear train mechanism is matched with the shaft mechanism through bearings and a rotating cover plate, and the internal gears mesh with each other, and the fixture mechanism is arranged below the gear train mechanism. The present invention can effectively realize the buried-sand operation, enable the workpiece to perform a combined revolution-rotation motion, and improve the tool quality by changing the motion mode.

The application discloses a kind of diamond tool bit die-casting mould, belong to diamond blade class manufacturing equipment technical field, this kind of diamond tool bit die-casting mould, including outer mould, first inner mould is slidably connected between the two short ends of the inner side of outer mould, the third inner mould is slidably connected with two long ends of the inner side of outer mould respectively, the second inner mould is engagedly connected between two third inner mould and first inner mould, auxiliary clamping assembly is respectively installed in the middle part of four sides of the outer mould outside.The application is modularized splicing inner mould by adopting the overall structure, so that each part of the inner mould can be flexibly and quickly combined, which facilitates the maintenance and replacement of the mold, reduces the production cost, improves the production efficiency, and the modularized splicing inner mould can provide uniform and stable extrusion force during die casting process, ensuring that the diamond particles and metal powder mixture are fully filled and tightly combined, so as to obtain a diamond tool bit with high performance.

The invention discloses iron-copper-molybdenum alloy powder which at least comprises the following components in percentage by weight: 75-90% of iron, 8-20% of copper and 1-5% of molybdenum. The iron-copper-molybdenum alloy powder is prepared through the steps that a soluble salt aqueous solution of iron, copper and molybdenum and alkali generate coprecipitation, the coprecipitation is dried to generate an oxide precursor, and then reduction is conducted; wherein the reduction operation comprises the steps of firstly reducing for 3.5 to 4.5 hours at the temperature of 650 to 680 DEG C, and then reducing for 1.5 to 2.5 hours at the temperature of 700 to 750 DEG C. By optimizing the component proportion and the preparation process, the prepared iron-copper-molybdenum alloy powder has excellent hardness and is suitable for production of various sintered diamond-like tools, and a prepared sintered body has excellent bending strength and has wide market prospects and remarkable application value.

The utility model relates to the technical field of detection equipment, and discloses a diamond tool bit welding strength detection device which comprises a detection table and a detection box fixedly installed at the top of the detection table, the front side of the detection box is of an opening structure, and a first shaft seat is fixedly installed on the inner wall of the bottom of the detection box; the top of the first shaft seat is rotatably provided with a stand column, the top end of the stand column is fixedly provided with a bearing disc, the top inner wall of the detection box is fixedly provided with a fixing seat, and the bottom of the fixing seat is fixedly provided with a first hydraulic cylinder. Compared with the prior art, the diamond tool bit welding strength detection device has the following advantages and effects that flaw detection can be conducted on the welding portion of a diamond tool bit, welding strength detection can also be conducted on the diamond tool bit, operation is easy and convenient, and the working efficiency and the accuracy of detection results are improved; and moreover, the device is suitable for carrying out flaw detection and welding strength detection on welding parts of diamond tool bits welded on diamond saw blades with different sizes, the application range is enlarged, and the practicability is good.

The invention is applicable to the field of smelting and forming of hard, brittle and difficult-to-form active brazing filler metal, and provides a liquid extrusion forming device and process for brittle brazing filler metal, and the device comprises a base, a vacuumizing device, an inert gas supply device and a negative pressure device. An annular partition plate is arranged on the upper portion of the inner side of the refining box, and a self-sealing pushing assembly is arranged on the upper side of the annular partition plate. And the bottom blanking barrel is positioned on the lower side of the annular partition plate and is provided with a plugging assembly. The smelting heating crucible is arranged on the lower portion of the inner side of the refining box, and an electric arc smelting assembly is arranged on the lower side of the annular partition plate. The vacuumizing device controls the vacuum degree of the space on the upper side and the lower side of the annular partition plate, and the inert gas device conveys inert gas into the space on the lower side of the annular partition plate and the smelting heating crucible. The suction casting forming assembly is provided with a forming cavity, and smelted alloy solution is sucked into the forming cavity through negative pressure to be cooled and solidified. Through integrated design and control, efficient and low-pollution active brazing filler metal preparation is achieved, and the performance and the yield of a brazed diamond tool are remarkably improved.

According to the stable diamond tool bit saw blade provided by the embodiment of the invention, the fastening bolt sequentially penetrates through the cover plate and the diamond blade, and the end part of the fastening bolt is screwed into the base body, so that the diamond blade can be fixed in the insertion hole of the base body through the cover plate. Meanwhile, the arc-shaped connectors with the connecting rods are inserted into the fastening bolts in the radial direction of the base body, and the driving shaft of the driving device is inserted into the shaft holes of the base body, so that the driving shaft can abut against the arc-shaped connectors in the shaft holes. By the adoption of the structural design, the arc-shaped connector can be fixed into the shaft hole through the driving shaft so as to ensure that the connecting rod fixedly connected with the arc-shaped connector can be inserted into the fastening bolt, and therefore the problem that the fastening bolt loosens due to vibration in the long-term cutting process, and then a diamond blade falls off can be effectively solved.

The utility model provides a hot-pressing die and an assembly tool for forming a diamond tool bit, and belongs to the technical field of production of diamond tool bits, and the hot-pressing die comprises a die frame and an extrusion unit. The extrusion unit comprises a plurality of first extrusion sets and a plurality of second extrusion sets, the first extrusion sets and the second extrusion sets each comprise a first pressing head and a second pressing head, and a containing space used for containing a tool bit blank is formed between the first pressing heads and the second pressing heads. The assembling tool comprises a bottom plate. The bottom plate is provided with a first containing groove. According to the hot pressing die for forming the diamond tool bits, the problem that the number of the diamond tool bits formed through one-time hot pressing is small after the partition plates are placed due to the fact that the space in the die frame is limited can be solved, and the assembling tool can be used for assembling the hot pressing die.

The present application relates to the technical field of robot accessory machining, and particularly relates to a robot accessory micron-level precision machining center, which comprises a base, a protective cover, a cutting fluid collector, a transfer clamping mechanism, a cutting mechanism, an anti-interference cleaning mechanism and a control terminal; the cleaning head of the anti-interference cleaning mechanism is coaxially provided with a cavitation jet generator, an annular air knife generator and a negative pressure collector, which are used for stripping, drying and recycling the cutting fluid film and debris on the surface of a workpiece; a sensing assembly detects the position of the workpiece in real time, the control terminal drives the transfer clamping mechanism to translate, and the anti-interference cleaning mechanism is coordinated to remove the liquid film and debris before multiple machining; on this basis, through the cooperation of grating scale closed-loop feedback control, diamond tool machining, constant temperature of the machining area, accurate temperature control of the cutting fluid, cold light source illumination and three-point positioning clamping, thermal deformation and clamping deformation are effectively eliminated, and 0.001mm-level stable machining precision is achieved.