179 results about "Diamond blade" patented technology

The invention belongs to the technical field of wafer processing, and discloses a multi-section high-flatness wafer cutting method which comprises the following steps: S1, wafer pretreatment and stress buffer layer preparation; s2, performing layered rough cutting by using a diamond blade; s3, plasma fine cutting and interface repairing; s4, performing multi-layer cooling and surface polishing; and S5, surface quality closed-loop detection is carried out. According to the method, copper layer residues and resin carbonization defects are synchronously eliminated. Cryogenic treatment induces lattice reconstruction through ultrafast phase change and blocks a chain reaction of dislocation defects, so that the intrinsic mechanical strength of the material is recovered, and a chemical mechanical polishing system activates the self-repairing characteristic of the material while removing a sub-surface damaged layer through the synergistic effect of abrasive chemical activity and mechanical shearing force, so that an atomic-scale smooth interface is formed, and the self-repairing performance of the material is improved. A closed-loop detection system depends on multi-dimensional data fusion and ion beam fixed-point repair, accurate positioning and performance recovery of cross-scale defects are achieved, and the electrical integrity of a chip functional area is ensured.

The invention relates to the technical field of diamond saw blades, in particular to a laser welding diamond saw blade for ultra-narrow slit cutting and a preparation method of the laser welding diamond saw blade. The copper-cobalt-tin alloy material comprises the following raw materials: copper-cobalt-tin alloy powder, tungsten carbide powder, titanium-aluminum nitride, spherical cobalt powder, rare earth yttrium powder, ferrophosphorus powder and diamond abrasive particles. According to the preparation method, the core of the preparation method lies in the combination of powder metallurgy prefabrication of the tool bit and the precise laser welding process, especially the innovative laser welding process, and the prepared diamond saw blade is high in welding seam strength, narrow in heat affected zone and extremely small in matrix deformation; the problems of base body deformation, insufficient welding seam strength, short service life and the like of a traditional saw blade in the ultra-narrow seam cutting process are solved, and the saw blade is perfectly suitable for ultra-narrow seam cutting scenes with extremely high requirements for precision and stability.

The utility model provides a diamond saw blade welding tool which comprises a table body and a table plate, a rotary disc is rotationally connected in the table body, the middle of the rotary disc is fixedly connected with a fixed disc through a hollow pipe, the table plate is fixedly connected with the top of the table body, and a plurality of evenly-distributed supporting rollers are rotationally connected to the edge of the table body. And a pressing mechanism is arranged at the top of the bedplate on one side of the supporting roller, and the pressing mechanism and the supporting roller are distributed correspondingly. The table body and the table plate are adopted for fixing the diamond saw blade, the fixing disc is connected with the middle of the diamond saw blade in a sleeving mode, an inner ring of the diamond saw blade can be abutted and fixed through cooperation of the sliding plate and the abutting block, the saw blade can be centered conveniently so as to improve the follow-up machining precision, and the edge of the saw blade is supported through the supporting roller; the top of the diamond saw blade is pressed and fixed through the pressing plate, it is guaranteed that the diamond saw blade cannot deviate, the saw blade can be conveniently rotated on the supporting roller, the position of the saw blade can be adjusted when the tool bits are welded, and sequential welding of the tool bits is achieved.

The invention relates to the technical field of diamond saw blades, and provides a diamond saw blade and a preparation method thereof. The diamond saw blade comprises a disc base body and a tool bit fixed to the periphery of the disc base body, and the tool bit is prepared from, by weight, 30-45 parts of iron powder, 15-25 parts of copper powder, 8-12 parts of nickel powder, 8-15 parts of cobalt powder, 3-5 parts of tin powder, 2-5 parts of molybdenum powder, 1-3 parts of silicon-boron alloy powder, 0.5-2 parts of tungsten carbide powder, 20-25 parts of diamond particles and 0.05-0.1 part of liquid paraffin. According to the diamond saw blade provided by the invention, the scientificity and the accuracy of proportion matching of all the components in the raw material formula of the tool bit are improved, the stability of the sintering process is improved, and the condition that the hardness and the toughness of the tool bit are difficult to achieve the optimal balance is improved.

The invention relates to the field of diamond saw blades, and discloses a diamond saw blade and a preparation method thereof.The saw blade comprises a cutter body and a cutter bit, and the cutter bit is prepared from, by mass, 10-25 parts of diamond particles; 18 to 25 parts of cobalt powder; 15 to 28 parts of tungsten powder; 8 to 14 parts of nickel powder; 15 to 22 parts of copper powder; 8 to 14 parts of iron powder; 8 to 12 parts of copper-tin alloy; 2-5 parts of manganese powder; and 0.5-2 parts of a heat-resistant phase. The diamond particles are subjected to multi-particle-size grading matching, so that coarse particles guide cutting, fine particles fill gaps of the coarse particles, a compact structure is formed, and the effect of improving the density of the tool bit and the cutting stability is achieved. Compared with a formula only using single-particle-size diamond particles in the prior art, the problems of loose particle accumulation, stress concentration and easy cracking are solved.

The invention relates to the technical field of diamond saw blade preparation, and discloses a composite diamond saw blade with high thermal stability and a preparation method thereof.The composite diamond saw blade comprises a metal tool bit and a steel matrix, and the metal tool bit is prepared from, by mass, 40-45 parts of cobalt powder; 43 to 48 parts of iron powder; 6-8 parts of copper powder; 3-5 parts of silver powder; 2 to 3 parts of ZnAl-LDH (layered double hydroxide); 1 to 2 parts of Ti3SiC2 powder; 0.8 to 1.2 parts of B4C nano powder; 0.8 to 1.2 parts of niobium powder; 1-2 parts of a molding aid; the preparation method comprises the following steps: raw material weighing, ball-milling powder preparation, mixing and granulation, cold press molding, plasma-assisted hot pressed sintering, and cutter head cutting and processing. According to the diamond saw blade composite material, a multi-metal system and a high-performance functional ceramic composite material are adopted, a brand-new diamond saw blade composite material is made, and through reasonable component design and mutual cooperation, the hardness and wear resistance are improved.

The utility model relates to a double-saw-blade cutting machine for preparing a shaped refractory product sample. The double-saw-blade cutting machine comprises a saw blade, a saw blade transmission system, a spraying device, a sample carrying table and a track, the device further comprises a rack, a water collecting tank and a multi-sample clamp; the saw blade adopts a diamond saw blade, a needle bearing group is arranged between the saw blade transmission shaft and the bearing seat, and the track adopts a linear slide rail; the multi-sample clamp is provided with a V-shaped seat and a pressing plate, a sample is arranged in a V-shaped groove in the top of the V-shaped seat, and the top of the sample is fixed through the pressing plate. The problems that a guide rail of a refractory material cutting machine is prone to corrosion, stability is poor during saw blade cutting, cutting efficiency is low and the like are solved, a saw blade transmission shaft adopts a needle bearing, the radial size is small, load is high, movement is stable, the service life is long, a cutting machine track adopts a linear sliding rail, precision is high, corrosion is not prone to occurring, and maintenance is convenient; by adopting the multi-sample clamp, a plurality of samples can be fixed at multiple angles at one time, the operation is simple, and the sample preparation efficiency is greatly improved.

The utility model relates to the field of drilling devices, and discloses a drilling device for processing a diamond saw blade, which comprises a workbench, a first support plate fixedly arranged on the workbench, and a three-jaw chuck fixedly arranged on the first support plate; the scrap cleaning mechanism comprises a first protective cover, a synchronous electric telescopic rod, a second protective cover, a scrap collecting box, a round rod and an arc-shaped cleaning push plate, the first protective cover is fixedly installed on the three-jaw chuck, the telescopic end of the synchronous electric telescopic rod is fixedly connected with the second protective cover, the bottom of the scrap collecting box makes contact with the workbench, and the round rod is fixedly connected with the arc-shaped cleaning push plate. The end of the round rod is fixedly connected with an arc-shaped cleaning push plate, a diamond saw blade is connected to the three-jaw chuck in a clamped mode, a second supporting plate is fixedly arranged on the top of the workbench, and a synchronous electric telescopic rod is fixedly installed on the second supporting plate. The waste chip cleaning and collecting device has the advantages and effects that waste chips can be automatically cleaned and collected.

The utility model discloses a hot-pressing sintering furnace for manufacturing diamond saw blades, which belongs to the technical field of sintering and comprises a sintering furnace main body, the bottom of the sintering furnace main body is connected with a bottom box, a rotating device is arranged in the sintering furnace main body, a supporting device is arranged at the top of the rotating device, and the supporting device comprises a supporting rod. A plurality of movable grooves are formed in the supporting rod, and supporting blocks are slidably connected into the movable grooves. According to the diamond saw blade supporting device, the supporting rod slides into the hole in the diamond saw blade, then the diamond saw blade is continuously pressed downwards, the inner hole of the diamond saw blade extrudes the supporting block, the supporting block contracts inwards and extrudes the spring, and after the diamond saw blade moves to the needed position, the supporting block at the bottom of the fixed position supports the diamond saw blade; and a gap is formed between every two adjacent diamond saw blades, so that the situation that the sintering efficiency is affected due to slow internal heating caused by mutual stacking of the two adjacent diamond saw blades is avoided.

The utility model provides a diamond saw blade centering and polishing device which comprises a polishing box, a conveying frame is arranged at the bottom of the polishing box, conveying belts are symmetrically arranged in the two ends of the conveying frame, a jacking mechanism is arranged between the conveying belts on the two sides, and the jacking mechanism comprises a supporting plate. A centering cone is arranged on the top of the supporting plate through a hydraulic rod. The centering cone can be inserted into a mounting hole in the diamond saw blade through the supporting plate and the hydraulic rod, the diamond saw blade can be jacked conveniently, the movable cover can be adjusted through the servo motor and the screw rod, the movable cover is clamped to the bottom of the diamond saw blade, the diamond saw blade is installed in the movable cover, centering of the diamond saw blade is completed, and the centering efficiency is improved. The polishing device is simple in structure, the arranged polishing box can block dust, the dust is sucked through the dust suction pipe, influences on workers and the surrounding environment are avoided, and practicability is high.

The utility model discloses a diamond saw blade with multiple divided teeth, which relates to the technical field of cutting tools and comprises a plurality of saw blade components, each saw blade component comprises a base plate, an axis mounting hole is formed in the inner center of each base plate, diamond sawteeth are arranged on the periphery of each base plate at equal intervals, composite tooth grooves are formed in the periphery of each base plate at equal intervals, and the composite tooth grooves are formed in the periphery of each base plate at equal intervals. A first flange assembly is arranged on one side of each saw blade assembly, a second flange assembly is arranged on the other side of each saw blade assembly, every two adjacent saw blade assemblies are fixedly connected through the corresponding first flange assembly and the corresponding second flange assembly, and each first flange assembly comprises a first flange plate. The multiple sets of saw blade assemblies are in key connection with a transmission shaft of the cutting machine through flat key grooves, so that the multiple saw blade assemblies rotate synchronously, the outer threaded barrel and the inner threaded barrel are screwed and matched, the first flange plate and the second flange plate are tightly attached to the base plate, the base plate is not prone to deviation during cutting, the cut plane is smoother, and the quality of cut sheets is improved.

The utility model discloses a welding device for diamond blade production, which comprises a case, a first sliding seat connected to the case, a second sliding seat connected to the first sliding seat, a base plate fixed on the second sliding seat, a first positioning column connected to the center of the base plate, and an external spline arranged on the periphery of the first positioning column. A plurality of positioning mechanisms which are circumferentially distributed are arranged on the periphery of the chassis; a machine frame is connected to the machine box, a box body is connected to the machine frame through a lifting mechanism, a rotating column is rotationally connected to the bottom face of the box body, a driving mechanism for driving the rotating column to rotate is arranged in the box body, a U-shaped base is connected to the lower end of the rotating column, a second positioning column is connected to the bottom face of one end of the U-shaped base, and the circle center of the second positioning column is aligned with the circle center of the rotating column. A mounting frame is connected to the U-shaped base through a second left-right displacement mechanism, and a welding gun is mounted on the mounting frame. The rotating column is driven to rotate to drive the U-shaped base to rotate, so that the welding gun rotates with the second positioning column as the circle center, diamond cutter teeth are welded to a blade one by one, and the welding efficiency is greatly improved.

The present application relates to the technical field of diamond saw blade, in particular to a laser welded diamond saw blade for ultra-narrow slit cutting and a preparation method thereof.The laser welded diamond saw blade comprises the following raw materials: copper-cobalt-tin alloy powder, tungsten carbide powder, titanium aluminum nitride, spherical cobalt powder, rare earth yttrium powder, phosphorus iron powder and diamond abrasive particles.The core of the preparation method is the combination of powder metallurgy pre-preparation of the cutter head and precise laser welding process, especially the innovative laser welding process.The prepared diamond saw blade has high weld strength, narrow heat affected zone and minimal substrate deformation, solves the problems of substrate deformation, insufficient weld strength and short service life of traditional saw blades in ultra-narrow slit cutting, and is perfectly suitable for ultra-narrow slit cutting scenarios with extremely high requirements for precision and stability.

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 utility model belongs to the technical field of diamond saw blade production, and particularly relates to a diamond saw blade detection machine which comprises a machine frame, a conveying device, a defective product table and a detection device are arranged in the machine frame, and the conveying device comprises a feeding belt conveyor and a discharging belt conveyor. The detection device comprises a rotating table and feeding mechanisms sequentially arranged in the circumferential direction of the rotating table, and the feeding mechanisms are used for moving saw blades on the feeding belt conveyor to the supporting mechanisms corresponding to the feeding stations. The two crack detection mechanisms are used for detecting whether cracks exist on the saw blade tool bits on the corresponding supporting mechanisms or not; the turn-over mechanism is arranged between the two crack detection mechanisms and is used for turning over the saw blades on the corresponding supporting mechanisms; the backlash detection mechanism is used for detecting the backlash of the saw blade on the corresponding supporting mechanism; and the discharging mechanism is used for moving the detected saw blades on the corresponding supporting mechanism to a discharging belt conveyor or a defective product table. According to the utility model, the mechanization and automation degree of saw blade detection is effectively improved, and the detection efficiency is improved.

The utility model relates to the field of diamond saw blades, and discloses a diamond saw blade with a replaceable tool bit, which comprises a saw blade main body, a fixing mechanism is arranged in the saw blade main body, the fixing mechanism comprises a shell which is in sliding connection with the inner wall of the saw blade main body, and the inner wall of the rear end of the shell is rotatably connected with a fixing threaded column. The outer wall of the fixed threaded column is sleeved with a movable column, the outer wall of the movable column is fixedly connected with a plurality of main fixing frames, and the interiors of the main fixing frames are rotationally connected with connecting frames. According to the saw blade disassembling device, movement of the movable column can be controlled through the main rotary knob, when the movable column moves, the fixed block can be driven to move, at the moment, the fixed block is matched with the fixed groove so as to control fixation of the saw blade body, then the saw blade body can be rapidly disassembled, and the disassembling efficiency of a worker on the saw blade body is improved; the time for replacing the saw blade due to standby is shortened, and the working efficiency of workers is improved.

The application discloses a kind of high-efficiency precision electrolysis-turning composite machining device and method, including machine tool body, main shaft rotating device, composite turning tool electrode, main shaft rotating device is used to clamp workpiece, composite turning tool electrode includes tool body, blade and electrolyte jet channel, the axis of electrolyte jet channel is located just above the blade tip for emitting electrolyte, electrolyte transport channel is set in tool body and communicated with electrolyte jet channel, composite turning tool electrode is connected with machine tool body by tool shaft, electrolyte transport channel is set in tool shaft, positive and negative voltage is respectively applied on main shaft rotating device and composite turning tool electrode, machine tool body is used to adjust the relative position between composite turning tool electrode and workpiece. Tool electrode with diamond blade and circular jet channel is adopted, mechanical turning and electrolytic machining can be carried out simultaneously when workpiece rotates at high speed, and electrolysis-turning composite machining process is realized.

This application relates to the field of auxiliary equipment for diamond saw blade processing, and discloses an auxiliary mechanism for sharpening diamond saw blades that facilitates positioning. The mechanism includes a worktable, a positioning component at the upper end of the worktable, a pad fixedly connected to the upper end of the worktable, and two sets of positive and negative threaded rods rotatably connected inside the worktable. A handwheel is fixedly connected to the right end of each positive and negative threaded rod, and two sets of sliders are threadedly connected to the peripheral surfaces of each positive and negative threaded rod. A radial positioning block is fixedly connected to the upper end of each slider, and the radial positioning block is fixedly connected to the upper end of the slider by bolts. The positioning component includes a fixing plate, screws, and a positioning shaft, with the screws threadedly connected to the upper end of the worktable. This application has the following advantages and effects: the saw blade can be positioned using the positioning component; the rotation of the positive and negative threaded rods synchronously moves the radial positioning blocks closer to the saw blade; and the synchronous movement of four sets of radial positioning blocks towards the saw blade allows for precise positioning of the saw blade.

The application belongs to the field of diamond saw blades, and specifically provides a composite diamond saw blade with high thermal stability and a preparation method thereof. The application first provides a composite diamond saw blade with high thermal stability, which comprises a matrix and diamonds, wherein the matrix comprises a base phase and a reinforcing phase, the volume concentration of the diamonds is 19-22%, the base phase comprises Fe, Ni, Cu, Sn, WC and Co, and the reinforcing phase comprises alloy powder and multi-phase nickel-based particles; in the base phase, the mass ratio of Fe, Ni, Cu, Sn, WC and Co is (25-35):(5-10):(20-30):(3-5):(4-6):(25-35). The diamond saw blade prepared by the application has the advantages of good stability and excellent mechanical properties.

The utility model provides a feeding device of a diamond saw blade processing machine tool, which is applied to the technical field of diamond saw blade processing machine tools. According to the technical scheme, the feeding device is characterized by comprising a rack, a feeding plate arranged on the rack, and a first driving assembly arranged on the rack and used for driving the feeding plate to slide on the rack in a reciprocating mode; the grabbing disc is arranged on the feeding plate; the second driving assembly is arranged on the feeding plate and is used for driving the grabbing disc to rotate to a horizontal grabbing state or a vertical feeding state; compared with the prior art, the diamond saw blade feeding device has the technical effects that through cooperation of the first driving assembly, the second driving assembly, the feeding plate, the grabbing disc and the like, automatic feeding of diamond saw blades is achieved, a machining machine tool does not need to be braked, and the diamond saw blade feeding efficiency is effectively improved.

The utility model discloses a high -strength easy to arrange the dry cutting diamond saw blade of chip, include: base body, the centre of base body is equipped with the mounting hole, and the periphery of mounting hole is equipped with a plurality of heat dissipation holes, the edge of base body is equipped with cutting part, and the positive and negative surface of cutting part all is equipped with a plurality of annular array's bump, and is equipped with the chip removal groove between the bump, and the both ends of chip removal groove respectively extend to the inside and outside edge of cutting part, and chip removal groove is bended, and the bending part one of chip removal groove is located the outside edge of cutting part and extends along the edge, and the bending part two of chip removal groove extends to the inside edge of cutting part, and the tail end opening of bending part two is greater than the opening of its and bending part one joint place. The utility model sets up the reinforcing part on the base body, and sets up the extension part to further promote the strength of base body in the edge of reinforcing part, and the chip removal groove that sets up on cutting part is bended, and bending part one is arc extension shape and is favorable to promote the sharpness of cutting part edge, and bending part two can promote the biting force of cutting part both sides and is favorable to arrange the chip smoothly, thereby has promoted the cutting performance of saw blade.

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.

A grinding wheel replacing grinding with cutting comprises a base and at least ten or more diamond cutting units, the diamond cutting units are arranged on an outer ring portion of the base and arranged in the circumferential direction of the base, each diamond cutting unit comprises two or more diamond blades, the diamond blades are arranged in the circumferential direction of the base, and the diamond blades are arranged in the circumferential direction of the base. The diamond cutting units are arranged on the base and extend in the radial direction of the base, and in each diamond cutting unit, the difference between the highest vertexes of the diamond blades does not exceed 100 micrometers.

The utility model relates to the technical field of glass tube processing, and provides a cutting device for glass tube processing, which comprises a table body, a rectangular through groove is formed in the center of the table body, an annular plate is fixedly embedded in the rectangular through groove, an annular T-shaped groove is formed in the inner side of the annular plate, a gear ring is movably embedded in the annular T-shaped groove, and the annular T-shaped groove is fixedly embedded in the table body. The T-shaped ring plate is fixedly mounted in the gear ring; firstly, an electric telescopic rod is started to drive a diamond blade of a U-shaped plate to be adjusted, so that the diamond blade is attached to the outer surface of a glass tube, a driving motor is started to drive a gear to rotate through a connecting shaft, the gear drives a meshed gear ring to rotate in an annular T-shaped groove, and the gear ring drives a T-shaped ring plate to rotate; the electric telescopic rod is mounted on the inner side of the T-shaped annular plate through the mounting plate, so that the electric telescopic rod drives the diamond blade to rotate to annularly cut the glass tube, the cutting efficiency is improved, and chippings can be reduced by adopting the diamond blade for cutting.

The utility model discloses an anti-deviation diamond saw blade. The anti-deviation diamond saw blade comprises a pair of saw blade positioning frames, a pair of base body connecting blocks and an operation base body. The utility model relates to the technical field of cutting saw blades, according to the saw blade, a diamond sheet is accurately restrained between a pair of saw blade positioning frames through a saw blade fixing sleeve frame structure, the stability and the accuracy of operation of the saw blade are ensured, and further, through the synergistic effect of secondary anti-deviation assemblies on the pair of saw blade positioning frames, the saw blade is more stable in operation. Any deviation tendency of the diamond piece in the rotating operation process is effectively restrained fundamentally, so that the cutting operation effect is optimized to the maximum extent, and a solid guarantee is provided for safety of a user.

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.

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 present application relates to a kind of preparation methods of cutting tool, specifically to a kind of polycrystalline diamond-hard alloy integral spiral cutting tool additive manufacturing process.The present application is shaped by additive manufacturing respectively with grooved hard alloy substrate green body, matching groove type diamond PCD blade green body, after hard alloy substrate green body is debound presintering, with the debound diamond blade blank is combined after using interference fit way, high temperature and high pressure treatment is carried out, and spiral structure PCD cutting tool bit is obtained;The pressure of high temperature and high pressure treatment is 5~10GPa, and the temperature is 1400~1700 ℃.The present application not only avoids a series of problems such as thermal damage caused by bit welding, poor heat resistance, etc., but also obtains hard alloy-polycrystalline diamond composite with high interface bonding strength.The present application process is simple and controllable, and the performance of the obtained product is excellent, and it is easy to industrialize application.

The utility model relates to the technical field of saw blade machining, in particular to a diamond saw blade laser cutting machine which comprises a first supporting body, a second box body, a three-axis laser cutting assembly, an installation frame, a second lifting assembly, an end cap, a tray piece, a pressing disc and a tooth shifting structure. According to the diamond saw blade fixing device, the diamond saw blade is fixed by designing the fixing structure of the diamond saw blade and pushing the tray piece downwards through the end cap at the top end of the second lifting assembly, so that the diamond saw blade is efficiently and stably fixed / loosened, the tooth part is arranged on the outer side of the pressing disc, and the tooth shifting structure corresponds to the tooth part arranged on the outer side of the pressing disc; for various types of diamond saw blades, the tooth shifting structure does not need to be adjusted, the tooth part arranged on the outer side of the pressure plate can be milled by a high-precision machine tool, and the part in contact with the tooth shifting structure is not influenced by the cutting quality of the diamond saw blade, so that the precision of the diamond saw blade is ensured.

The utility model belongs to the technical field of diamond saw blades, and particularly relates to a split type diamond saw blade which comprises a base body, a shaft sleeve is fixedly installed in the middle of the base body, a plurality of sawteeth are annularly arranged on the side face of the base body, and the sawteeth are detachably connected to the base body through a fixing assembly. The fixing assembly comprises a square groove, the square groove is formed in the side face of the base body, the square protruding block is fixedly installed on one side of the sawteeth, and the square protruding block is inserted into the square groove and fixed through the connecting assembly. According to the split type diamond saw blade, the saw teeth are detachably connected to the base body through the fixing assembly, the diamond saw blade can be arranged to be in a split type, when the saw teeth are abraded, the whole diamond saw blade does not need to be replaced, only the damaged saw teeth need to be replaced, and cost input can be reduced to a certain degree.