96 results about "Laser quenching" patented technology

The invention discloses a galvanometer scanning-based curved surface self-adaptive dynamic light spot laser quenching method, which has the following beneficial effects: (1) dynamic regulation and control of a light spot energy field: a traditional uniform light spot is reconstructed into a self-defined light spot with an adjustable energy gradient according to a curvature value of a workpiece, so that the energy of each section of the light spot is dynamically distributed according to the curvature; and the energy density deviation caused by geometric deformation is compensated. And (2) scanning-energy cooperative control: through coupling optimization of a light spot form and a scanning path, galvanometer high-frequency galvanometer micro-swing scanning and laser output energy adjustment are adopted in a curvature sudden change area, so that accurate regulation and control of heat input are realized, a heat accumulation effect is inhibited, and depth uniformity (fluctuation is less than or equal to 10%) of a hardening layer is ensured. And (3) online feedback and closed-loop correction: an infrared thermal imager and a surface topography sensor are integrated, a quenching point temperature field and a hardened layer topography are monitored in real time, a light spot energy ratio and a scanning strategy are dynamically corrected through an AI algorithm, and the dynamic characteristics of material phase change in the machining process are adapted.

The invention relates to the technical field of machining, and provides a gear surface strengthening method and a gear, and according to the strengthening method provided by the invention, for special workpieces such as large gears, laser shock strengthening and laser quenching are used for meeting the treatment requirements of workpieces of different sizes. And the composite strengthened layer is obtained through laser shock strengthening and laser quenching, so that the hardness and the wear resistance of the material are improved, and the anti-fatigue performance of the material is also improved.

The invention discloses a bearing surface strengthening and defect detecting device and method.The device comprises a mounting platform, a feeding mechanism, a laser quenching mechanism, a detecting mechanism, a conveying platform and a clamping transverse moving mechanism, and the clamping transverse moving mechanism comprises a first driving unit, a second driving unit and a workpiece moving unit; a plurality of clamping grooves are evenly formed in the workpiece moving unit at intervals, the distance between every two adjacent clamping grooves is a first length, the second driving unit is used for driving the workpiece moving unit to move away from or close to the conveying platform, and the first driving unit is used for driving the workpiece moving unit to move in the length direction of the conveying platform; the laser quenching mechanism and the detection mechanism are arranged on the conveying platform to drive the bearings located in the clamping grooves to move towards the tail end of the conveying platform by a first length at a time, each stop position of the bearings is a stop station, the laser quenching mechanism and the detection mechanism are arranged on a first station and a second station on the conveying platform respectively, and the first station and the second station are the stop stations. The device is high in automation degree and high in heat treatment consistency.

The present invention discloses a laser composite strengthening method with high surface hardness uniformity and its application. The laser composite strengthening method comprises: performing laser remelting along multiple remelting paths on the surface of a metal component to form a remelting layer, and there is overlap between adjacent remelting paths, and adjacent remelting spots in any remelting path overlap; performing multiple rounds of laser quenching along multiple quenching paths on the surface of the remelting layer to form a quenching layer, and in any round, there is overlap between adjacent quenching paths, and adjacent quenching spots in any quenching path are separated from each other, and for the quenching path, the spot positions between multiple rounds complement each other to form overlaps. The laser composite strengthening method provided by the present invention compensates for the thermal interference between the spots by performing laser quenching with a smaller spot size and smaller heat input on the surface of the remelting layer, and forming quenching paths with partial overlap through multiple rounds of complementarity, thereby forming a surface hardened layer with uniform hardness on the surface of the component.

The invention discloses a high-alloy steel nitriding-laser quenching composite surface strengthening method which comprises the following steps: sequentially polishing the surface of high-alloy steel by using 240-mesh waterproof abrasive paper and 2000-mesh waterproof abrasive paper, then sequentially putting the high-alloy steel into ethanol and acetone for ultrasonic cleaning, and nitriding the pretreated high-alloy steel to form a nitriding layer; and cooling to room temperature along with the furnace under the atmosphere of nitrogen or ammonia gas to obtain the high alloy steel containing the nitriding layer. And blackening treatment is conducted in the atmosphere of argon or nitrogen, then laser quenching treatment is conducted, and high alloy steel surface strengthening treatment is completed. According to the nitriding-laser quenching composite surface strengthening process, the problems that a high alloy steel nitriding layer is shallow (smaller than 0.2 mm), interface brittleness is achieved, and the retained austenite content is high (larger than 20%) are effectively solved, the total treatment time is shorter than or equal to 16 h, the surface hardness of a modified layer is larger than or equal to 600 HV0.1, the thickness of the modified layer is larger than or equal to 1.5 mm, and the nitriding-laser quenching composite surface strengthening process is suitable for preparing key components such as aviation gears and heavy-duty bearings.

The adapter fixture comprises a circular chassis, a clamping shaft is formed in the center of the rear end face of the chassis, a vertical rectangular connecting seat is formed on the front end face of the chassis, and a clamping seat with a mushroom-shaped horizontal section is formed on the front end face of the connecting seat; vertical adjusting grooves penetrating through the two side walls of the clamping seat are formed in the middle and the upper portion of the clamping seat, a transverse limiting stop shaft is inserted into the adjusting grooves, the two ends of the limiting stop shaft extend out of the two side walls of the clamping seat respectively, the middle of the limiting stop shaft is in threaded connection with a vertical adjusting bolt, and the adjusting bolt is pivoted to the clamping seat. The adapter clamp can be used for quickly clamping and positioning bacterial type blades of the same specification, and meanwhile, the adapter clamp can be adjusted, so that the clamping requirements of the bacterial type blades of different specifications can be met.

The invention discloses a machining method for a laser quenching cutter point, and belongs to the technical field of metal surface treatment and cutter machining. According to the method, efficient and uniform quenching of the cutter point is achieved through multi-beam laser composite scanning and artificial intelligence real-time feedback control; the method comprises the steps of workpiece pretreatment, multi-beam laser scanning, real-time monitoring and feedback control, post-treatment and quality evaluation. The method has the effects of reducing heat affected zones, improving hardening uniformity and reducing energy consumption.

The utility model relates to the technical field of laser quenching, in particular to a numerical control quenching machine tool with a workpiece overturning function, which comprises a base, supporting end parts are symmetrically arranged on the upper surface of the base, and a bearing frame with a rectangular structure is arranged between the two supporting end parts. A rotary driving assembly for driving the bearing frame to rotate between the two supporting ends is arranged on the supporting end on one side, a workpiece to be quenched is arranged in the bearing frame, two-side clamping assemblies are arranged on the inner walls of the two sides of the bearing frame, and at least two sets of front-back clamping assemblies are arranged on the inner walls of the two ends of the bearing frame. A bearing table is arranged below the workpiece to be quenched, the bearing table is flush with the upper surface of the base, a lifting driving assembly is arranged in the base, and the driving end of the lifting driving assembly is connected with the bearing table and drives the bearing table to move up and down in a reciprocating mode. Workers do not need to manually turn over workpieces, operation is easy, and the working efficiency is higher.

The invention relates to the technical field of laser quenching, and particularly discloses a method for carrying out small-batch heat treatment on a reversing valve element of a hydraulic multi-way valve through laser quenching, which comprises the following steps: based on the material and plating depth of the reversing valve element, adjusting parameters of a laser beam through a laser control unit; one end of the reversing valve element is clamped on a rotating chuck, and the other opposite end of the reversing valve element is jacked by an ejector pin seat; the motion trail of the mechanical arm is set so that the mechanical arm can drive the laser transmitter to do linear motion in the axial direction of the reversing valve element, and meanwhile the reversing valve element is driven by the rotating chuck to do circular motion so that laser beams generated by the laser transmitter can irradiate the surface of the reversing valve element; and the surface, irradiated by the laser beams, of the reversing valve element is rapidly cooled at the room temperature so that a high-hardness isolation layer can be formed on the surface of the reversing valve element. In this way, laser quenching treatment parameters can be adjusted according to the characteristics of materials and the personalized requirements of users, and possibility is provided for small-batch heat treatment and customized production.

The invention discloses a sheet material laser quenching device which comprises a purification box, supporting frames are arranged on the two sides of the outer wall of the top of the purification box, fixing mechanisms are arranged on the outer walls of the tops of the supporting frames, a supporting plate is arranged on the outer wall of the top of the purification box, and a laser quenching mechanism is arranged on the outer wall of the top of the supporting plate. An exhaust fan is arranged on the outer wall of one side of the purification box, the output end of the exhaust fan and the inner wall of one side of the purification box are provided with the same first guide pipe, a motor is arranged on the outer wall of one side of the purification box, the output end of the motor is connected with a rotating rod through a coupler, and stirring mechanisms distributed at equal intervals are arranged on the outer wall of the rotating rod. According to the laser quenching device for the sheet materials, the purification box is filled with the purification liquid, smoke and peculiar smell can be effectively absorbed and purified, harm to the bodies of workers caused by the smoke and the peculiar smell can be effectively prevented, and the cleanliness of the surroundings of the working environment is improved.

The invention relates to a processing method of a heteroaxial double-pin shaft part, which belongs to the technical field of laser quenching and comprises the following steps: S1, identifying whether workpieces exist at an upper pin station and a lower pin station of a quenching area or not and whether workpieces exist at the upper pin station and the lower pin station of a loading and unloading area or not; s2, in a quenching area, when it is recognized that a workpiece exists at an upper pin station, an upper pin of the workpiece is driven to rotate, when it is recognized that a workpiece exists at a lower pin station, a lower pin of the workpiece is driven to rotate, a laser head is controlled to be aligned with the circumferential faces of the upper pin and the lower pin of the workpiece, and the laser head is kept in a static state in the machining process; in the feeding and discharging area, the machined workpieces are taken out, the workpieces with only machined upper pins / lower pins of the workpieces are transferred to a lower pin station / upper pin station, and new workpieces are taken to the vacant lower pin station / upper pin station; s3, the quenching area and the feeding and discharging area are subjected to area exchange; and S4, repeatedly executing the steps S1-S3. The quenching device has the effect of improving the quenching efficiency and the quenching quality of the heteroaxial double-pin workpiece.

The utility model relates to the technical field of laser parts, and discloses a common laser quenching head. The common laser quenching head comprises a quenching head main body, and a collimation module is mounted at the top end of the quenching head main body. Through the arrangement of the moving rods, the inserting rods, the inserting grooves and the springs, the two fingers are attached to the outer walls of the two moving rods at the same time, the fingers exert force and extrude the two moving rods to move on the inner sides of the positioning rods, and meanwhile the moving rods stably move in the positioning rods and the moving grooves through the sliding blocks on the outer walls and the sliding grooves in the inner walls of the moving grooves; when the two moving rods move towards the inner side, springs on the outer wall are extruded, inserting rods at the ends are driven to be pulled out of inserting grooves in the inner sides of the connecting rods and penetrating grooves and mounting grooves in the light barrier, and after the inserting rods are completely pulled out, the light barrier and the mounting grooves in the inner sides can be pulled out of the connecting rods, so that the light barrier is disassembled; and light barriers of other models can be replaced.

The application discloses a surface treatment process of a valve core, adopts tungsten carbide and nickel-based alloy composite design, and remarkably improves the service life of the valve core under extreme environment. By introducing laser quenching treatment, the surface hardness and wear resistance are enhanced, and defects such as cracks are avoided. By adopting plasma spraying technology, the tungsten carbide powder is melted and high-speed sprayed to the surface of the valve core by means of high-temperature plasma flame, a dense, uniform and well-bonded coating is formed, and the wear resistance, corrosion resistance and sealing performance are improved. In addition, the ion nitriding treatment is used to generate a high-hardness nitride layer, forming a "hard shell-tough core" structure, and prolonging the wear resistance life. Finally, the grinding and polishing treatment is used to improve the surface flatness and smoothness, and ensure the sealing reliability. The application combines multiple advanced processes, remarkably improves the comprehensive performance of the valve core, and guarantees the stable operation of the valve under complex and severe working conditions.

The invention discloses a GCr15 steel workpiece surface strengthening method, treatment equipment and a workpiece strengthened through the method. The method comprises the steps that a GCr15 steel workpiece is placed in an ammonia gas environment; a high-energy laser beam is used for carrying out laser quenching treatment on a GCr15 steel workpiece, ammonia gas around a quenching area is heated and decomposed under the action of high-energy laser, active nitrogen molecules are generated after the ammonia gas is decomposed, energy is absorbed, the cooling speed of the bearing is increased, and a laser quenching layer is formed; and meanwhile, active nitrogen molecules are diffused on the metal surface of a quenching area and permeate into the GCr15 steel workpiece to form a nitriding layer, so that double strengthening of laser quenching and nitriding is realized on the surface of the bearing track.

The utility model discloses an art knife laser quenching device which comprises a working table, a sealing box, a sapphire lens window and an art knife sample piece, a driving assembly capable of driving the art knife sample piece to move is arranged in the sealing box, and a protection support is further arranged at the top of the working table. A laser capable of being movably adjusted is arranged on the protection support, the laser is provided with two laser heads, and one laser can control the two laser heads to synchronously quench the two sides of an art knife sample piece at the same time. According to the art knife laser quenching device, the laser device is provided with the two laser heads, and the two sides of an art knife sample piece can be synchronously quenched at the same time; through cooperation of the laser modulator and the beam shaper, it is ensured that energy is evenly distributed in the quenching process, nitrogen is introduced into the sealing box to serve as shielding gas, oxidation of the tool in the quenching process is effectively prevented, and meanwhile cold nitrogen is used for conducting cooling and nitriding treatment on the tool in the quenching process.

The present invention provides a laser quenching device for the inner wall of an oil cylinder and a usage method. The laser quenching device for the inner wall of the oil cylinder includes: a frame; a traveling mechanism includes a first component, a second component, and a third component. The first component is slidably connected to the frame, the second component is slidably connected to the first component, the third component is slidably connected to the second component, and a clamping port is provided on the third component; a quenching mechanism is located within the clamping port and can rotate relative to the third component. The first component, the second component, and the third component respectively drive the quenching mechanism to move in the X, Y, and Z directions of a three-dimensional coordinate for adjusting the quenching position and performing laser quenching on the inner wall of the oil cylinder; a rotating mechanism is fixedly connected to one end away from the quenching end of the quenching mechanism for driving the quenching mechanism to rotate, and the quenching mechanism performs uniform laser quenching on the inner wall of the oil cylinder. According to the present invention, through the cooperation of the traveling mechanism and the rotating mechanism, it approaches the inner wall or the outer wall of the oil cylinder, with accurate positioning and a uniform quenching layer.

The invention relates to the technical field of laser quenching, in particular to a laser quenching heat treatment method which comprises the following steps: S1, normal-temperature phosphating; s2, dehydrogenation tempering is conducted, oil stains and rust on the tooth part and the inner hole of the gear subjected to normal-temperature phosphating are removed, and dehydrogenation treatment is conducted on the gear; s3, laser quenching is conducted, specifically, the target tooth surface of the gear teeth serves as a quenching surface, the opposite tooth surface serves as a cooling surface, and when laser quenching is conducted on the quenching surface, a cooling medium flows through the cooling surface to conduct auxiliary cooling; s4, low-temperature tempering is carried out, normal-temperature phosphating treatment is carried out on the surface of the gear to replace brushing of a light absorption material, auxiliary cooling is carried out while laser quenching is carried out, the requirement for the quenching critical cooling speed is met through the heat dissipation capacity of a cooling medium, and the problem that the heat dissipation efficiency of the gear is insufficient due to self heat dissipation is solved; and auxiliary cooling is performed on the opposite surface while laser quenching is performed on the quenching surface, so that the surface hardness of the part can be improved, and the hardness requirement of the gear is met.

The utility model relates to the field of laser quenching, and discloses a laser quenching device for automobile part production. According to the device, a mounting plate is arranged on one side of the outer surface of the protective shell, a water pump is mounted on the surface of the mounting plate, water pipes are connected to the two ends of the water pump, a water tank is arranged in the protective shell, and a filtering suction head is connected to the end, in the water tank, of the water pipe; when the equipment continuously carries out laser quenching work for a long time, the temperature of water in the water tank rises along with use, and therefore the quenching efficiency of the equipment is reduced, circulating flowing water is arranged, the working efficiency of the equipment can be greatly improved, and the service life of the equipment is prolonged. The arranged water pump is started, water in the water tank can be sucked out through the water pipe and the filtering suction head and then conveyed back, a closed loop is formed, and the water in the water tank can be rapidly discharged through the arranged water outlet pipe.

To prevent deformation from occurring in a quenched part of a push-cutting blade due to laser quenching.SOLUTION: A laser quenching method according to the invention performs laser quenching on a push-cutting blade 3 formed by roughening for roughening a blade edge and finishing for finishing the roughly formed blade edge. The method includes: irradiating, with a laser beam from above, a blade edge of a roughly formed blade 32 whose blade edge is roughly formed by roughening, so as to perform laser quenching thereon; and then, performing finishing work for finishing the blade edge to form the push-cutting blade 3.SELECTED DRAWING: Figure 7

1. The name of the design product: laser quenching machine. 2. The use of the design product: for laser quenching processing of metal workpiece surface. 3. The design points of the design product: in shape. 4. The picture or photo best indicating the design points: perspective view 1.

The present application relates to the technical field of surface strengthening of mining coal machine equipment parts, in particular to a kind of iron-based microalloy middle trough strengthening method, comprising: the pretreatment of middle trough matrix;Iron-based microalloy composite powder is prepared;Using Mobius topological scanning path and three-spot laser cladding process, bionic topological cladding layer is formed on the surface of matrix;Cladding layer is subjected to three-spot high-energy beam remelting treatment;Laser quenching is carried out on the non-cladding area of the bank, and gradient hardness layer is formed;Finally, post-processing is carried out.The beneficial effect is: the present application realizes the uniform dispersion of stress, the significant reduction of coal rock adhesion and the densification of cladding layer organization by the synergistic innovation of "structure-material-technology", the combination strength is high, the wear resistance, corrosion resistance is excellent, solve the problem of stress concentration, low bonding strength, high cost and short service life in the prior art, the service life is 3-4 times higher than traditional surfacing, suitable for the strengthening and remanufacturing of middle trough of coal mine scraper conveyor.

The invention discloses quenching equipment for metal heat treatment, and belongs to the technical field of metal quenching, the quenching equipment comprises a quenching treatment table, a mounting chamber is arranged on the quenching treatment table, a laser quenching device is arranged on the mounting chamber, a water storage cavity is arranged in the mounting chamber, and a water circulation assembly is arranged in the water storage cavity; a heat insulation cooling semi-ring body connected with the water circulation assembly is arranged on one side of the installation chamber, a quenching pretreatment device is arranged on the heat insulation cooling semi-ring body, a quenching position opening is formed in the heat insulation cooling semi-ring body, and a wave absorbent cotton layer is arranged in the quenching position opening. The gear ring is driven to slowly rotate for transverse rotation quenching while the arc-shaped abutting seat is controlled by adjusting the abutting assembly to fix the gear ring, and heat isolation is performed on the part subjected to laser quenching through cooling circulating water arranged at a quenching position opening, so that the heat is prevented from being transferred to a hole of a gear ring body, and the quenching quality of the gear ring is improved. And the condition that the metal at the hole is heated and denatured is avoided.

The present invention provides a laser quenching processing device for the surface of a high-speed railway lock hook, which relates to the field of laser processing technology. The device comprises a base, a fixing fixture is installed on the front side of the upper end of the base, a moving mechanism is installed on the rear side of the upper end of the base, the fixing fixture is used to fix the high-speed railway lock hook, a laser head is correspondingly provided on the upper side of the high-speed railway lock hook, the laser head is installed on the moving mechanism, the laser head is electrically connected to the laser through a signal line, a heat dissipation channel is provided on the side of the laser head, the inlet of the heat dissipation channel is connected to an air inlet pipe, the outlet of the heat dissipation channel is connected to an air outlet pipe, the air inlet pipe and the air outlet pipe are connected to a heat dissipation device, and the coordinated movement of the laser head and the high-speed railway lock hook is controlled so that the distance between the laser head and the high-speed railway lock hook in the up and down directions is the same during the scanning and quenching process of the high-speed railway lock hook, thereby ensuring that the propagation distance of the laser beam is the same, and improving the depth of the quenching layer of the high-speed railway lock hook and the uniformity of the quenching hardness.

The invention discloses laser quenching machining equipment which comprises a workpiece support, a laser quenching head, a laser quenching movement mechanism and a cooling and pressurizing device, the workpiece support is used for supporting a workpiece to be quenched, the laser quenching head is connected to the laser quenching movement mechanism, and the laser quenching movement mechanism can adjust the position of the laser quenching head. The laser quenching head can heat the workpiece, and the cooling and pressurizing device can pressurize and cool the surface of the heated workpiece, so that thermal deformation of the workpiece in the quenching process can be reduced, the quenching quality of the workpiece is further improved, pressurizing and cooling can be performed simultaneously, and the quenching efficiency can be effectively improved.

The present invention discloses a heat treatment device for gear processing and a heat treatment process thereof, which belongs to the field of heat treatment technology, and includes a base, and a fixing frame is connected to the top of the base. In the present invention, the centering distance of the laser heat treatment mechanism can be adjusted by a trajectory control mechanism. Compared with the traditional quenching equipment, the synchronous heating of the gear tooth gap can be adapted by adjusting the gap distance, thereby improving the quenching uniformity during heat treatment, and at the same time, the relative cutting angles of multiple groups of laser heat treatment mechanisms on the circumferential side and the gear can be synchronously adjusted, and the main body of the laser quenching mechanism can be rotated and polarized relative to the gear during the quenching process to increase the quenching range, thereby avoiding the influence of uneven heating between the gear tooth gaps on the overall durability and strength of the gear, improving the uniform quenching effect of the gear heat treatment processing, and improving the strength and durability of the gear.

The application discloses a method for laser cladding and laser quenching partition strengthening die hot stamping plated steel plate, simulates and analyzes three-dimensional contact and stress of a plated steel plate, a male die and a female die of a die, determines a laser cladding area, a laser quenching area and a geometric transition area connecting the two, mills the laser quenching area, makes a milled surface of the laser quenching area consistent with the shape and size of a forming die surface, pre-mills the laser cladding area and the geometric transition area, adopts a six-axis manipulator with a cladding head and a two-axis shifter to perform laser curved surface cladding on the pre-milled area, performs secondary milling on the laser cladding layer to obtain a well-cladded pre-milled area, quenches the laser quenching area after the milling, assembles the male die and the female die into a hot stamping die after laser cladding and laser quenching to perform hot stamping on the plated steel plate, reduces the friction coefficient between the die surface and the plated steel plate by means of the self-lubricating property of the laser cladding layer, and reduces the generation of powdering and micro-cracks of the plated steel plate.

The invention discloses an end effector with self-adaptive profiling and real-time monitoring of a laser quenching robot, which comprises an end effector main body mounted and fixed on the laser quenching robot, and the end effector main body comprises a shell, an angle adjusting assembly, a laser generator, a laser output head and a real-time monitoring assembly, the shell is fixedly mounted on the laser quenching robot, a first mounting groove is formed in the bottom of the shell, the angle adjusting assembly is arranged in the first mounting groove, the laser generator is arranged on the angle adjusting assembly, the laser output head is fixedly mounted at the bottom of the laser generator, and the angle adjusting assembly is used for adjusting the orientation of the laser output head at multiple angles. The device is reasonable in design, the posture of the laser output head can be adjusted in a self-adaptive profiling mode according to the shape and size of a workpiece, the quenching process of the workpiece can be monitored in real time, the machining quality of workpiece quenching is effectively improved, the rejection rate of the workpiece is greatly reduced, the production efficiency is improved, and the process adaptability is higher.

The invention discloses a laser in-situ repair method for a 30CrMnSiA high-strength steel helicopter undercarriage. The laser in-situ repair method comprises the following specific steps: S1, powder preparation; s2, pretreatment; s3, performing laser cladding repair in an argon environment; s4, polishing is conducted; and S5, laser quenching heat treatment is carried out, the structure, hardness and tensile property of the sample subjected to laser quenching treatment after laser cladding repair are compared with those of an original sample and a sample subjected to laser cladding repair only, and results show that the surface hardness after laser quenching is improved by 14.2% compared with that of the original sample and is improved by about 39.3% compared with that of the sample subjected to laser cladding repair only. After laser quenching, the tensile strength reaches 97.6% of that of an original sample, the yield strength is improved by 8%, and compared with a sample repaired only through laser cladding, the tensile strength is improved by 8%, and the yield strength is improved by 10.7%, so that the surface hardness can be obviously improved, the tensile property of parts can be improved, and the service life can be prolonged by adopting laser quenching treatment after laser cladding.

The utility model discloses a laser quenching system for a main hole of a steering gear box shell. The laser quenching system comprises a base, a quenching device and a driving assembly, wherein the base is provided with two rotatable quenching tables; the driving assembly is used for driving the quenching device to move between the two quenching tables; each quenching table comprises a rotatable disc body and a connecting piece for fixing a material; the two quenching tables are each provided with a first sensor used for recognizing material feature points. The first sensor is in signal connection with a driving motor of the disc body; and after the first sensor recognizes the feature points of the materials, the disc body stops rotating. The utility model solves the technical problem that the quenching time is prolonged as the quenching device adapts to the material angle during quenching, and achieves the technical effect of automatically adjusting the angle position of the quenching material.

The utility model relates to the field of laser processing equipment, in particular to a laser quenching device for processing shafts in a power plant, which comprises a workbench, a bearing ring is arranged on the workbench, the upper end face of the workbench is fixedly connected with a support frame, and the lower end face of the support frame is respectively and rotatably connected with an adjusting screw rod I and an adjusting screw rod II. The outer wall of the first adjusting lead screw and the outer wall of the second adjusting lead screw are both in threaded connection with sliding blocks, the two sliding blocks are both fixedly connected with electric cylinders, the output ends of the two electric cylinders are both fixedly connected with laser machining heads, and one end of the first adjusting lead screw is fixedly connected with a first sliding rod. According to the bearing ring quenching device, the supporting frame, the first adjusting lead screw, the first sliding rod, the second adjusting lead screw, the second sliding rod, the sliding block, the electric cylinder and the laser machining head are matched with one another, the inner wall and the outer wall of a bearing ring can be quenched at the same time, the machining efficiency is improved, and practicability is achieved.