31results about How to "Improve quenching quality" patented technology

The utility model discloses a water quenching type multipurpose furnace which comprises a front furnace body and a rear furnace body, a feeding and discharging chamber and a quenching chamber are arranged in the front furnace body in an up-down mode, a heat treatment chamber is formed in the rear furnace body, a quenching cavity is formed in the middle in the quenching chamber, stirring chambers are arranged in the quenching chamber and located on the two sides of the quenching cavity respectively, and the stirring chambers are communicated with the quenching cavity. The quenching cavity is located under the feeding and discharging chamber, and at least one stirring mechanism is arranged in each stirring chamber. By arranging the feeding and discharging chamber, the quenching chamber and the lifting table, the lifting table can be switched to be located at the feeding and discharging position and the quenching position, switching of different heat treatment steps in the furnace is achieved, and the heat treatment working efficiency is improved. The stirring chambers are arranged on the two sides of the quenching cavity correspondingly, and the stirring mechanism is arranged in each stirring chamber, so that flowing can be formed in the quenching chamber, and the quenching efficiency is improved. And the quenching water in the quenching chamber can flow in order through the guide cylinder, circulation is formed, and the quenching efficiency and quality of the workpiece are further improved.

The utility model discloses a multi-cavity grading positioning spraying device which comprises a bottom frame, a positioning rotating mechanism and a multi-cavity sprayer, the positioning rotating mechanism comprises a positioning piece, a driven rotating piece and a driving rotating piece, the positioning piece is installed at the top of the bottom frame, and an arc-shaped groove matched with a thrust wheel is formed in the top of the positioning piece; the driven rotating part and the driving rotating part are respectively positioned on two sides of the positioning part, and are mounted on the chassis in a manner of being relatively close to or far away from each other, so that the two sides of the driven rotating part are inserted into axle cavities of the thrust wheels to support and rotate the thrust wheels; the multi-cavity sprayer comprises a water jacket and pressure sensors, the water jacket is installed on the bottom frame and located below the positioning piece, different water pressure cavities are formed in the positions, corresponding to different shapes of the thrust wheel, of the water jacket respectively, and the pressure sensors are arranged in the different water pressure cavities respectively and connected with a controller; spraying pressure of different water pressure cavities is adjusted and controlled in a grading mode, water is sprayed to different appearance positions of the thrust wheel through water spraying holes of the different water pressure cavities, and the spraying and quenching effect is improved.

The utility model relates to quenching device technical field, and disclose a kind of quenching device of metal heat treatment, including equipment main body, fixed in the fixed telescopic link of equipment main body upper surface one side and the bracket fixed in telescopic link top, the inside fixed drive device of one side of the bracket, the upper surface of equipment main body another side is fixed with quenching tank.This equipment is rotated by the high friction of sharp cone rubber wheel and quenching tank inner wall, and then rotates by gear engagement to drive metal bar and steel wire brush roller rotation, forms the bidirectional rotation cooperation of metal bar and brush roller, realizes the quick removal of the surface scale of metal bar, this process can effectively reduce the scale coverage area, avoid scale residue to hinder quenching liquid contact, ensure that quenching heat transfer is uniform, improve quenching quality.

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 invention relates to a rotary water-jet quenching device for quenching large cylindrical forgings, belonging to the technical field of water-jet quenching devices; the device comprises a workbench, on which a retractable water-jet quenching cylinder is arranged, and the water-jet quenching cylinder is driven to rotate horizontally by a first transmission mechanism; a water-jet quenching column is also arranged on the workbench, and the water-jet quenching column is driven to rotate horizontally by a second transmission mechanism; a first brushing mechanism is arranged on the inner wall of the water-jet quenching cylinder, and a second brushing mechanism is arranged on the water-jet quenching column, and the outer wall of the cylindrical forging is brushed by the first brushing mechanism, and the inner wall of the cylindrical forging is brushed by the second brushing mechanism; a brushing cleaning mechanism is also arranged on the water-jet quenching column, and the table surface of the workbench is cleaned by the brushing cleaning mechanism; the problem that the quenching device is difficult to follow up the change of the size of large cylindrical forgings is solved.

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 utility model relates to an integral induction quenching tool for a cylindrical gear shaft, which comprises a connector, an insulating spacer, a profiling sensor, a flange plate fastening bolt for connecting a right connecting flange plate with a profiling sensor connecting flange plate, and an insulating spacer fastening bolt for fastening the insulating spacer on the axial center part of the profiling sensor, the two insulating blocks are symmetrically connected to the profiling sensor through profiling sensor connecting bolts, water spraying box water inlet ports are formed in the outer sides of the two semicircular water spraying boxes, a plurality of water spraying holes are formed in the inner sides of the two semicircular water spraying boxes in an arc-shaped angle, and the two semicircular water spraying boxes are symmetrically fastened to arc sections of the insulating blocks through semicircular water spraying box connecting bolts. The machine tool left centre and the machine tool right centre are used for clamping two ends of the cylindrical gear shaft workpiece. The device is uniform in induction heating, high in heating efficiency, uniform in cooling, good in quenching quality and small in part deformation, the cost is reduced, the production efficiency is improved, and the labor intensity is reduced. The device can be widely applied to the cylindrical gear shaft heat treatment process.

The present invention belongs to the technical field of heat treatment of steel plates, and discloses a roller-pressed gas quenching method for 1-4 mm high-strength steel plates, including a temperature compensation control method, a gas volume distribution method, a roller gap control method, and a roller speed control method; the temperature compensation control method and the gas volume distribution method realize precise control of organizational properties by increasing the cooling temperature and regulating the cooling path, thereby improving the strength and toughness of the steel plate; the roller gap control method realizes constrained quenching by differentially setting the roller gaps of different rollers; and the roller speed control method realizes high uniformity and high flatness quenching by differentially setting the roller speeds of different rollers. The present invention solves the problems of poor quenching shape, large residual stress, substandard strength and toughness, and poor surface quality of 1-4 mm high-strength steel plates, and improves the quenching quality.

The utility model relates to a cooling device of a flame quenching machine, which is characterized in that a first waterproof baffle (3), a second waterproof baffle (4) and a third waterproof baffle (5) are vertically and uniformly distributed in a water tank (1) from right to left, the water tank (1) is divided into four areas, a water inlet (2) is arranged at the upper part of the rightmost end area, a submerged pump (6) is arranged in the leftmost end area, and a water outlet (7) is arranged in the leftmost end area. A water outlet pipe (7) at the outlet of the submerged pump (6) is connected with a quenching area water tank through a hose; and drainage branch pipes (8) are arranged at the bottoms of the water tanks in the four areas and are connected into a drainage pipe (9). A first water-proof baffle, a second water-proof baffle and a third water-proof baffle are designed in the circulating water tank, and water flowing openings are designed in reasonable parts of the water-proof baffles, so that impurities and foreign matters in the cooling water circulating process are effectively isolated and precipitated; the water outlets are designed in the four equally-divided areas at the bottom, impurities and foreign matter deposited at the bottom are regularly removed, the labor intensity is reduced, and the working efficiency is improved.

The utility model relates to the technical field of numerical control machine tools, in particular to a quenching machine tool capable of processing uniformly, which comprises a control host and a cross beam, a loading and unloading mechanism and a temperature control mechanism are mounted on the control host, and the loading and unloading mechanism is used for freely mounting and dismounting the temperature control mechanism to match with the sizes of different parts for quenching operation. A conductor block is electrified through a power line, electrical connectivity is guaranteed through a shaft conductor, an induction coil is heated, a linear motor drives a first hydraulic rod to descend through a supporting arm and drives a cross beam to descend, and the induction coil located on the lower portion is promoted to pass through the outer wall of the shaft part preferentially to be preheated; and the induction coil located above heats along with the outer wall of the preheated shaft part, and the rotating motor works to promote the rotating shaft to drive the turntable to rotate and drive the clamped shaft part to rotate at a constant speed, so that each surface of the part can be uniformly heated and quenched, and the quenching quality is effectively improved.

The present invention discloses an induction quenching system and a quenching method for a stabilizer bar based on the collaborative work of two robots. The induction quenching system for the stabilizer bar comprises a first robot, a second robot, a robot controller and a quenching controller; a stabilizer bar clamping device is provided at the end of the first robot, a quenching coil assembly is provided at the end of the second robot, and the robot controller is used to control the work of the first robot and the second robot; the quenching controller is communicatively connected with the robot controller. The stabilizer bar clamping device of the present invention is provided with a first quenching liquid injector and a second quenching liquid injector, which can supplement cooling of the stabilizer bar corner that first passes through the induction heating coil and a section of the stabilizer bar on the middle part of the stabilizer bar near another corner of the stabilizer bar, thereby solving the problems of insufficient hardenability and low strength of these two parts in the prior art and improving the product quality of the stabilizer bar.

The utility model discloses a forging quenching device, including bearing station and cooling box, the cooling liquid is arranged in the cooling box, the bearing station top is provided with the closed cylinder, the closed cylinder includes a plurality of circumferential fixed plate that sets up, and the mobile plate is arranged between two adjacent fixed plates, a plurality of mobile plate top is connected with same rotating ring, rotating ring one side is provided with the push rod that is connected with external power equipment. When bearing station sends work piece into cooling box, rotating ring drives sealing plate fast rotation and opens closed cylinder, can make the cooling liquid in the cooling box in very short time in large quantities and pour into closed cylinder, can make work piece surface and inside reach the required cooling speed rapidly, guarantee the consistency and stability of quenching process, thereby effectively avoid the quality problem such as the hardness uneven, deformation caused by uneven cooling, improve the quenching quality of work piece, improve product pass rate.

A cylindrical gear suspension type carburizing and quenching tool comprises a square supporting material disc located at the bottom, four supporting stand columns installed at the four corners of the square supporting material disc respectively, upper transverse tie bars and middle transverse tie bars which are installed on the supporting stand columns, and a plurality of sawtooth type supporting cross beams installed on the supporting stand columns in the height direction. The upper portion and the lower portion of each hanging transverse rod are arc-shaped, the middle of each hanging transverse rod is provided with a groove and a meshing protruding head, and the hanging transverse rods are hung on the sawtooth type supporting beam. According to the cylindrical gear suspension type carburizing and quenching tool, carburizing is uniform, quenching quality is stable, waste is reduced, cost is lowered, production efficiency is improved, workpiece deformation is small, labor intensity is lowered, workpieces are convenient to assemble and disassemble, and circular flowing of a cylindrical gear workpiece carburizing atmosphere is facilitated. The device can be widely applied to the cylindrical gear heat treatment process.

The application discloses a cast water circulation cooling device, and particularly relates to the technical field of metal smelting, which comprises a cooling barrel, a spiral guide vane is fixedly installed on the inner wall of the cooling barrel, the axis of the spiral guide vane is collinear with the axis of the cooling barrel, a placing assembly for placing a cast is fixedly connected to the inner wall of the cooling barrel, a forked three-way pipe is communicated with a water outlet pipe at the bottom of the cooling barrel, a filtering assembly is communicated with an interface at the top of the forked three-way pipe away from the cooling barrel, a backwater pipe with a water pump arranged therein is communicated with the top of the filtering assembly, the top of the backwater pipe is communicated with a water inlet pipe at the top of the cooling barrel, the water inlet pipe of the cooling barrel is tangent to the cross section of the main body of the cooling barrel, and the rotating direction of the water flow input into the inner cavity of the cooling barrel is consistent with the spiral direction of the spiral guide vane; in the application, the cooling water flows spirally from top to bottom around the cast, heat accumulation is not prone to occurring at each part of the cast along with the circulation of the cooling water, and the stability of the quenching quality of large workpieces is ensured.

The utility model belongs to the technical field of hammer production and processing, and particularly relates to a quenching device for hammer production, which comprises a quenching chamber and a quenching pool, and the quenching device is arranged in the quenching chamber. According to the quenching device for hammer production, the placing unit is arranged, the placing frame is opened, the side plates are pulled, the left side plate and the right side plate slide along the bottom of the top plate, the two side plates are taken down, then a to-be-quenched hammer is placed between the left clamping plate and the right clamping plate, the left threaded rod and the right threaded rod are rotated, the connecting plate drives the clamping plates to move along the limiting rods, and the hammer is clamped; then the side plate is mounted at the bottom of the top plate and pushed into the placing frame, so that the hammer is suspended in the placing frame, the quenching liquid is more uniformly contacted with the surface of the hammer, the quenching quality is improved, and the problem that in the background technology, the hammer is directly placed in the placing frame, and the hammer is damaged due to the contact with the bottom of the placing frame is solved. The lower surface of the hammer is not in uniform contact with quenching liquid, so that the quenching quality of the hammer is influenced.

The utility model belongs to the technical field of quenching equipment, and particularly relates to a casting quenching device which comprises a machine body internally provided with a heater, a hook assembly, a rotating assembly and an electric hanger rail assembly, a heating channel for a casting to pass through is formed in the machine body, the hook assembly comprises a hanging bracket, and the rotating assembly is installed on the hanging bracket. The electric hanger rail assembly is positioned above the machine body and is used for moving the hanger frame; by arranging the rotating assembly, after the casting is moved to the heating channel of the machine body under the action of the electric hanger rail assembly, the casting can be rotated, it is guaranteed that all faces of the casting are evenly heated, the situation that the surfaces of the casting on the two sides in the moving direction of the assembly line are not evenly heated is avoided, and the quenching effect is improved.

The utility model provides a pressure-stabilizing buffer water tank of a medium-frequency quenching machine tool, which is characterized in that a top plate is arranged at the top of a water tank body, and a water baffle is arranged inside the water tank body; a main water inlet pipe is fixedly installed on one side plate, right opposite to the water baffle, of the water tank body and used for being connected with a tap water source pipe. And water outlet structures which are spare for each other and are used for discharging water are fixed on the top of the top plate in parallel. The water baffle is additionally arranged at the water inlet of the water tank, eddy current generated by impact of tap water is eliminated, the tap water enters the inductor after being buffered by the water tank, the water pressure of each water inlet of the inductor is consistent, the quenching quality of parts is improved, and the production risk is greatly reduced.

This invention discloses a quenching device based on auxiliary leaf springs, comprising: a frame and a quenching pool disposed at the bottom of the frame for quenching the leaf springs; and a conveying mechanism disposed at the upper part of the frame for vertical and horizontal conveying of the leaf springs. The conveying mechanism includes two sets of swing conveying assemblies disposed on the inner wall of the frame, and a slide rail disposed on the swing conveying assemblies. A slidable slider is installed inside the slide rail. A pull rope is connected to a fixing bar. The end of the pull rope away from the fixing bar extends through a through hole where a movable column is located to the bottom of the slide rail and is connected to a tray assembly. The tray assembly is used to support the leaf springs. This invention effectively realizes an integrated conveying and quenching process when the leaf springs on the tray assembly move in both vertical and horizontal directions, thereby greatly improving work efficiency.

The utility model relates to an integral quenching tool for a driving gear, which comprises a connector with a left connecting flange plate and a right connecting flange plate at two ends, an insulating spacer, a profiling sensor with a magnetizer at the tooth root of a gear workpiece, a flange plate fastening bolt, and an insulating spacer fastening bolt for fastening the insulating spacer at the axial center part of the profiling sensor, the two insulating blocks are provided with raised heads and arc sections and are symmetrically connected to the two ends of the profiling sensor through sensor connecting bolts, and the annular water spraying box is provided with connecting grooves which are connected with the raised heads of the insulating blocks in an embedded mode and fastened to the arc sections of the insulating blocks through annular water spraying box connecting bolts. The driving gear is subjected to synchronous induction quenching, different parts are integrally heated at the same time, heating is uniform, heating efficiency is high, tooth roots are heated sufficiently and cooled uniformly, a tooth profile hardened layer is uniform, the tooth roots are quenched thoroughly, quenching quality is good, the service life of the driving gear is long, and production efficiency is high. The device can be widely applied to the driving gear heat treatment process.

The utility model provides a rack quenching device, belongs to the technical field of rack quenching, and aims to solve the problems that the contact part of a rack and a clamp is blocked by the clamp, effective quenching is difficult to realize, and the quenching efficiency of the rack is influenced. Comprising a quenching machine supporting base, a limiting electric push rod, a positioning negative pressure suction nozzle, a first supporting table, a second supporting table and a pressure sensor. The limiting electric push rods are connected to the left side and the right side of the quenching machine supporting base through bolts. The positioning negative pressure suction nozzle is fixedly connected to the inner side of a piston rod of the limiting electric push rod; the first supporting table is fixedly connected to the left side of the quenching machine supporting base; the second supporting table is fixedly connected to the right side of the quenching machine supporting base; the pressure sensor is fixedly connected to the right side of the first supporting table and the right side of the second supporting table. According to the utility model, the quenching position of the rack is not shielded, so that the quenching effect of the rack is ensured, and the quenching efficiency of the rack is improved.

The utility model belongs to the technical field of hydraulic pipe joint production, and discloses a hydraulic pipe joint quenching device which comprises a quenching box, a bearing shaft, a material box and a heating box, and is characterized in that a vertical plate is arranged at the top of the quenching box, a fixing ring is arranged on the vertical plate, a top plate is arranged at the top of the vertical plate, and a pushing structure is arranged on the top plate; the two ends of the bearing shaft penetrate out of the fixing ring, the material box is movably arranged on the bearing shaft, leakage holes are formed in the side wall and the bottom of the material box, and the heating box is connected with the pushing structure. According to the utility model, the plurality of groups of bearing rods are arranged on the bearing shaft, so that a plurality of material boxes can be placed on the bearing shaft, and the bearing shaft drives the plurality of material boxes to rotate, so that the material boxes drive hydraulic pipe joints to rotate, and the hydraulic pipe joint in the uppermost material box can be conveniently subjected to heat treatment and the hydraulic pipe joint in the lowermost material box can be conveniently subjected to quenching treatment; the quenching efficiency and the quenching quality of the hydraulic pipe joint are improved.

The invention discloses integral induction quenching equipment for a large bearing raceway, and relates to the technical field of induction quenching, the integral induction quenching equipment comprises a lifting rotary table and a double-gantry quenching machine tool arranged above the lifting rotary table, the double-gantry quenching machine tool comprises two horizontal longitudinal beams which are oppositely arranged, and the two horizontal longitudinal beams are supported on the ground through stand columns; two gantry cross beams are arranged between the two horizontal longitudinal beams and can longitudinally translate along the horizontal longitudinal beams; at least one load lifting arm is arranged on the gantry cross beam and can translate transversely along the gantry cross beam; a load sensing part is arranged at the lower end of the load lifting arm; the lifting turntable comprises a turntable part, a rotation driving part and a lifting driving part; the rotary driving part is used for driving the rotary table part to rotate. The lifting driving part is used for driving the rotary table part to lift.

The utility model discloses a positioning tool for induction quenching of an automobile hub bearing, which relates to the technical field of induction quenching equipment and comprises an annular body, a central hole of the annular body is a positioning hole for inserting an outer ring of a workpiece, and the aperture of the positioning hole is slightly larger than the diameter of the outer ring of the workpiece; a plurality of threaded holes in the radial direction are formed in the outer circle face of the annular body, and the threaded holes communicate with the positioning holes correspondingly. A positioning bead used for abutting against the outer ring of the workpiece is arranged at the opening, opposite to the positioning hole, of the threaded hole, and a jackscrew mechanism is arranged in the threaded hole and used for adjusting the pressure of the positioning bead. According to the utility model, the jackscrew mechanism is matched with the steel balls to realize point contact between the positioning tool and the workpiece, so that the quenching quality is improved, the tool cost is reduced, and the quenching deformation of the workpiece is reduced.

The invention relates to the technical field of quenching facilities, and discloses a multi-station quenching device for bulb quenching, the multi-station quenching device comprises a workbench, the top surface of the workbench is fixedly connected with a driving mechanism, the driving mechanism comprises a double-head hydraulic rod, a placing table and a bulb main body, and the top surface of the placing table is fixedly connected with two groups of supporting blocks. According to the multi-station quenching equipment for quenching the ball head, through the arrangement of a driving mechanism and a clamping mechanism, when the multi-station quenching equipment is used, a ball head main body is placed on the surface of a placing table, then a threaded rod on the surface of a supporting block is screwed, and the threaded rod drives two groups of silica gel pads on a rotating shaft on one side of the tail end to move relatively; and then the double-head hydraulic rod is started, the double-head hydraulic rod stretches out and draws back to drive the two sets of containing tables at the tail end to move to the position close to the induction coil for quenching, the two sets of ball head bodies can be quenched at the same time, and compared with traditional single-station quenching, the quenching efficiency is higher.

The invention discloses a rotary table device for induction hardening, which relates to the technical field of induction hardening, and comprises a rotary table, at least one annular ground rail and a plurality of support arms, the annular ground rails are sequentially and concentrically arranged on the outer side of the rotary table in a surrounding mode, and the diameter of each annular ground rail is larger than that of the rotary table. The supporting arms are distributed on the rotary table in the radial direction, and the ends of the supporting arms stretch out of the rotary table and then are provided with supporting idler wheels corresponding to the annular ground rails. The invention can solve the problems of bearing capacity and rotation precision, and can be suitable for workpieces with the diameter of 3-20 meters.

The present invention provides a quenching process for an austenitic stainless steel pipe, and belongs to the technical field of stainless steel pipe processing. It solves the technical problem that the existing stainless steel pipe cannot be accurately air-cooled during quenching, and cannot be orderly flow-quenched. The present invention includes the following steps: workpiece processing; preheating treatment; heating treatment; cooling treatment; inspection treatment. In the present invention, by preheating the stainless steel pipe before entering the heating furnace, the precipitation of carbides from the grain boundaries is avoided, thereby effectively preventing the occurrence of grain boundary erosion, and the heated stainless steel pipe is air-cooled by the cooling equipment, which avoids the quenching cracking of the stainless steel pipe, and can effectively reduce distortion, improve the quenching quality and processing success rate of the stainless steel pipe, and through the setting of the cooling equipment, the pipe transport component can effectively transport the heated stainless steel pipe to the top of the tank body, and the turntable and the rotating plate are set by rotating on both sides of the tank body.

The energy-saving type mesh belt quenching furnace comprises a conveying mesh belt used for conveying workpieces in a hearth, a preheating unit and a fine heating unit, the preheating unit and the fine heating unit are used for conducting primary heating and secondary heating on the workpieces respectively, the preheating unit comprises a first heating body and a first heat exchange pipe, and the positions of the first heating body and the first heat exchange pipe can be adjusted along the conveying mesh belt. The fine heating unit comprises a height-adjustable second heating body and a second heat exchange pipe, a circulation loop is formed between the two heat exchange pipes, a heat adjusting pump is arranged between the two heat exchange pipes, a compound heat preservation structure and a furnace base are arranged at the bottom of the furnace body, the compound heat preservation structure comprises a plurality of heat preservation layers which are sequentially arranged from inside to outside, and the compressive strength and the heat conductivity coefficient of the heat preservation layers are gradually reduced; the furnace base comprises supporting channel steel forming a framework, phenolic plastic parts arranged between the supporting channel steel and thermal insulation materials filled in the framework. According to the invention, internal circulation of heat energy is realized, the heating temperature of the workpiece is accurately controlled, the heat loss of the furnace bottom is reduced, the quenching quality of the small workpiece is improved, and the aim of saving energy is fulfilled.

The water spraying assembly comprises a water spraying ring, a water baffle is detachably installed on the feeding side of the water spraying ring, a plurality of spraying holes are evenly formed in the side wall of the water spraying ring in the circumferential direction of the water spraying ring, and the spraying holes are obliquely formed towards the discharging side of the water spraying ring, so that quenching liquid is sprayed and concentrated on the discharging side of the water spraying ring; the distance between the splashing position of quenching liquid and the feeding side of the water spraying ring is effectively prolonged, the auxiliary water return prevention effect is achieved, the water baffle comprises a connecting part, a water blocking part is fixedly arranged on one side of the connecting part and inserted into the water spraying ring, and the outer wall of the water blocking part is in close contact with the inner wall of the feeding side of the water spraying ring. The opening diameter of one end, away from the feeding side of the water spraying ring, of the water retaining part is smaller than that of the other end of the water retaining part, and quenching liquid splashed into the feeding side by the water spraying ring can be blocked and guided by the side wall of the water retaining part, so that the quenching liquid flows back to the surface of the workpiece again and flows in the conveying direction of the workpiece without reverse backflow. And the water return prevention effect is further improved.

The invention relates to the technical field of heat treatment die-pressing quenching equipment, and discloses an end face shape limiting and demolding mechanism for a bearing die-pressing quenching machine tool, the end face shape limiting and demolding mechanism comprises a movable cross beam assembly, an upper mold and a lower mold, a guide sleeve is fixedly mounted on a movable cross beam, a guide shaft is arranged in the guide sleeve, and a spring and a round nut sleeve the upper part of the guide shaft; the lower part of the guide shaft is connected with a pressing plate, the movable cross beam is fixedly provided with an oil cylinder, and the output end of the oil cylinder is in floating contact with the pressing plate; a pressing column adjusting plate is installed on the upper die, and a pressing column is sleeved on the pressing column adjusting plate. In the quenching process, the end face shape limiting and demolding mechanism is used for carrying out shape limiting control on the end face of the workpiece, so that end face deformation of the workpiece in the cooling process is reduced, the consistency and stability of the size of the quenched workpiece are ensured, and the quenching quality of the workpiece is improved; and meanwhile, demolding of the workpiece can be effectively achieved, and automatic matching of equipment is facilitated.

This invention belongs to the technical field of laser quenching equipment, specifically a laser quenching processing device for small, irregularly shaped metal parts. Addressing the problem that current laser quenching equipment cannot perform laser quenching on localized areas of the inner wall of a workpiece, the following solution is proposed: The device includes a frame comprising a main unit and side supports. A fixed top plate is mounted on the top of the side supports, and three first electric push rods are mounted on the bottom of the fixed top plate. A laser head is mounted on the bottom of the three first electric push rods. A refraction mechanism is mounted in the middle of the side supports, and a workpiece locking mechanism is provided on the top of the main unit. The refraction mechanism of this invention allows the laser to be precisely guided to all surfaces of the small, irregularly shaped metal part, especially hidden areas such as corners, grooves, and inner sides, through reflection from a mirror. This achieves comprehensive, blind-spot-free laser quenching, resulting in uniform hardness, significantly improved wear resistance, and fatigue resistance of the workpiece surface after quenching.