4684results about "Quenching devices" patented technology

The invention relates to the technical field of metal forge piece machining, in particular to an irregular metal forge piece heat treatment method and system.The irregular metal forge piece heat treatment method comprises the steps that firstly, temperature compensation partitions are divided according to geometrical characteristics, and stepped preheating is implemented to establish a uniform basic temperature field; then, the heat preservation time of each subarea is independently regulated and controlled in the austenitizing stage, and sufficient transformation of a thick-wall area structure and control over the grain size of a thin-wall area are both considered; in the quenching process, partition strength adjustment is carried out based on a preset cooling map, and cooling parameters are dynamically optimized through real-time feedback; and finally, according to the residual stress distribution, carrying out partition stepped tempering. The heating and cooling uniformity is remarkably improved through partition dynamic temperature management, and the structure difference and thermal stress concentration caused by section sudden change are effectively inhibited; the microstructure is ensured to be uniform and stable through austenitizing control; the hardenability and the deformation resistance are balanced through a differential cooling strategy; and directional reduction of residual stress is achieved through an intelligent tempering mechanism, and the cracking risk is greatly reduced while the comprehensive mechanical property is improved.

The invention relates to the technical field of driving shaft machining, and discloses conveying equipment for heat treatment of an automobile driving shaft. The quenching device comprises a conveying mechanism used for conveying the driving shaft and a quenching mechanism used for heating and cooling the driving shaft, a plurality of limiting frames capable of moving in a telescopic mode are arranged on the conveying mechanism, and each limiting frame comprises a sliding strip and two shaft frames which are arranged on the sliding strip and used for containing and limiting the driving shaft. Therefore, the conveying mechanism can stably convey the driving shaft, and meanwhile quenching of the quenching mechanism on the driving shaft is not affected. The quenching mechanism comprises an induction heating coil which is arranged above the conveying mechanism and can move transversely and an ejector rod used for limiting axial movement of the driving shaft. The conveying mechanism is improved and combined with the quenching mechanism, so that the heat treatment process of the driving shaft can be automatic and streamlined, and the quenching efficiency of the driving shaft is improved while the quenching effect of the driving shaft is ensured.

The invention relates to the technical field of quenching, and particularly discloses a quenching device and method for stainless steel pipe machining. The quenching device comprises a bottom box, a quenching box is fixedly installed above the bottom box, one side of the quenching box is open and provided with a sealing door, the sealing door is movably connected with the quenching box, and the end, close to the quenching box, of the bottom of the sealing door is connected with a base; a turntable is rotationally mounted on the base, a plurality of fixing cones are arranged around the top of the turntable, and a to-be-quenched pipe fitting is sleeved on the fixing cones. Through the arrangement of the outer ring and the inner ring, synchronous fixing of a plurality of pipe fittings is achieved, rotation of the driving disc pushes the extrusion pieces to evenly expand outwards along the sliding grooves, and the extrusion pieces can be reset in combination with the elasticity of the springs; through sliding constraint of the limiting blocks and the limiting grooves, it is guaranteed that deviation does not occur in the extrusion process, the outer ring provides reverse supporting to form clamping force, the clamping safety of the thin-wall pipe fitting is remarkably improved through the design, and the device is particularly suitable for quenching of stainless steel pipes prone to deformation.

To provide a quenching simulation method for steel with high accuracy.SOLUTION: Provided is a quenching simulation method for steel, comprising: a calculation section 1 calculating a distribution of temperatures by a heat conduction analysis using a finite element method after inputting each of steel phases and physical properties at each of steel temperatures to separate a shape model; a calculation section 2 calculating distribution of strain or stress by an elastoplastic analysis; a calculation section 3 calculating distribution of phase fraction through calculation of a basic equation representing phase transformation; and a calculation section 4 calculating distribution of cooling speed from time change of temperature of each of elements, the method comprising a step of carrying out coupled analysis using phase transformation parameters of the steel calculated from the cooling speed calculated with the calculation section 4 on a procedure to calculate the phase fraction in the calculation section 3.SELECTED DRAWING: Figure 1

The invention relates to the technical field of steel pipe safety production, in particular to a seamless steel pipe production detection system and method based on a bent shell screw drill, and the system comprises a production process detection module, a steel pipe quality detection module and a quality detection platform, the production process detection module is used for processing to obtain a seamless steel tube production process abnormal evaluation value; the steel pipe quality detection module is used for processing to obtain a seamless steel pipe surface quality evaluation value and a seamless steel pipe internal quality evaluation value; according to the seamless steel pipe production detection system based on the bent shell screw drill and the production method, the abnormities in the production process of the seamless steel pipe, the number of early warning times and the surface quality and the internal quality of the seamless steel pipe are comprehensively analyzed; quality control can be carried out more effectively, production parameters are adjusted in time, defects are reduced, and therefore the product quality is improved.

The utility model relates to the technical field of forge piece quenching treatment, in particular to a forge piece quenching device which comprises a base plate, symmetrically-distributed supporting legs are fixedly installed on the two sides of the bottom of the base plate, a quenching box is fixedly installed on one side of the top of the base plate, and a cooling box is fixedly installed on the other side of the top of the base plate. According to the forge piece quenching device, the base plate, the supporting legs, the cooling box, the driving mechanism, the clamping pieces, a cover plate, a sliding groove, an adjusting lead screw, an adjusting block, an electric telescopic rod, a main shaft, a quenching box, a second motor, a mounting groove, a worm gear, a worm and a supporting plate are used in cooperation, the two clamping assemblies are arranged, and the positions of the two clamping assemblies can be exchanged; the quenching cooling process of the forge piece is alternately carried out, so that the waste of time and energy is reduced, the processing capacity of the device and the control of the production cost are improved, and the design is simple and practical.

The present disclosure discloses a multi-sensor-based hot forming production system for an aluminum alloy sheet metal part and a control method thereof, and belongs to the field of aluminum alloy sheet metal forming manufacturing technology. A plurality of sensors are disposed in the hot forming production system, and closed-loop control of a whole process and adaptive production can be realized based on deformation properties, a microstructure evolution law, and a mechanical property change law of the aluminum alloy sheet metal part. The hot forming production system comprises a control system based on a multi-physical quantity model, an environmental heating furnace, an automated transfer and positioning device, a hot stamping and forming device, and an in-die aging device. By using the hot forming production system and the control method thereof, the product quality and the stability of the forming process can be effectively improved, and the adaptability of the process to form different types of alloys can be enhanced.

The invention relates to the technical field of bearing ring production, and discloses heat treatment equipment for bearing ring production and a heat treatment method thereof. The invention provides heat treatment equipment for bearing ring production, which comprises a quenching pool, a spraying ring is arranged right above the quenching pool, a coil is arranged right above the spraying ring, the interior of the spraying ring is hollow, a partition plate is fixedly mounted in the spraying ring, and the coil is arranged right above the spraying ring. A plurality of spraying holes distributed in an annular array mode are formed in the inner side of the spraying ring and divided into an upper layer and a lower layer. The spraying holes are cleaned through the friction force between the cleaning ring and the spraying holes, the water outlet flow of the spraying holes is guaranteed, the problems of soft blocks, deformation or uneven hardness and the like caused by insufficient local cooling of the bearing ring can be effectively avoided, and therefore the product quality is improved, the maintenance cost and downtime of equipment are greatly reduced, and the production efficiency is improved. And the continuity of a production line and the operation efficiency of equipment are greatly improved.

The invention relates to the technical field of quenching, in particular to a high-toughness steel wire production quenching furnace and a quenching process thereof. The quenching furnace comprises a furnace body, a heating chamber and a cooling chamber are arranged in the furnace body, a blocking mechanism is arranged between the cooling chamber and the heating chamber, a conveying mechanism is arranged in the cooling chamber, a mounting frame is arranged at the bottom of the cooling chamber, and a quenching oil tank used for storing quenching oil is arranged in the mounting frame. A stirring mechanism and a reciprocating mechanism are arranged in the quenching oil tank; oil in the quenching oil tank flows through up-down reciprocating motion of the pressing plate, temperature layering of the upper layer and the lower layer of the oil is broken, heat exchange is promoted, the temperature of the oil is more uniform, when the pressing plate reciprocates up and down and ascends, the through holes are opened, the oil in the upper layer can smoothly pass through, and when the pressing plate descends, the through holes are closed. Therefore, the speed of oil in the lower layer flowing to the upper layer in the oil tank is increased, convection of oil in the quenching oil tank is more sufficient, and the temperature difference between the upper layer and the lower layer is further reduced.

The utility model provides a transmission shaft straightening machine which comprises a shell, a connecting pipe is arranged on a bottom plate of the shell and used for enabling a transmission shaft to penetrate through the straightening machine in parallel in connecting spaces among parts, and a straightening assembly used for straightening the transmission shaft is arranged in the center of the bottom plate of the shell. The rolling wheels are rotationally connected to the rolling wheel frame, and the rolling wheel frame is fixedly connected to the bottom plate of the shell and used for rolling the transmission shaft during straightening; a plurality of nozzles are arranged in the quenching pipe, and the quenching pipe is used for quenching the transmission shaft before straightening; according to the utility model, a plurality of rows of nozzles are uniformly mounted on the inner wall of the middle upper half part of the quenching pipe, and the rollers are arranged on the two sides of the device to drive the transmission shaft to rotate, so that the transmission shaft in the quenching pipe can be continuously quenched, and the first straightening wheel and the second straightening wheel rotate and extrude in opposite directions to straighten the transmission shaft; and the transmission shaft can move forwards under the action of friction force, so that different parts of the transmission shaft are gradually straightened.

The invention provides a heat treatment device and method capable of preventing wind power tower flange deformation, and relates to the field of wind power flange heat treatment.The device comprises a quenching furnace, the quenching furnace is composed of an upper furnace body, a lower furnace body and three sets of supporting frames, and the upper furnace body and the lower furnace body are connected through a lifting assembly; a sealing assembly is further arranged at the connecting end of the upper furnace body and the lower furnace body. The upper furnace body and the lower furnace body each comprise an outer shell, a liquid storage box, a rotating assembly, a limiting assembly, a driving bin and a surface anti-deformation mechanism. According to the flange supporting and limiting device, the adjusting discs and the adjusting bases are spirally matched, the adjusting discs rotate to synchronously drive the three adjusting bases to move, then flange workpieces with different diameters are supported and limited, and driving force provided by the synchronous rotating assembly can drive the limiting rollers and the fixing columns to synchronously rotate; therefore, limiting faces are formed on the top face, the bottom face, the outer wall and the inner wall of the flange workpiece, the shape change of the flange workpiece is limited, and the workpiece is prevented from deforming.

A continuous induction quenching device for two ends of an automobile push rod is used for manufacturing the automobile push rod. Two conveying lead screws are installed in the middle of the quenching machine tool, the head ends of the conveying lead screws are in butt joint with mistake-proof feeding devices above the conveying lead screws, inductors are arranged on the two sides of the middle sections of the conveying lead screws and connected with variable vibration devices and heating power sources, blanking grooves are formed in the tail ends of the conveying lead screws, and quenching liquid grooves are installed below the conveying lead screws. A spiral groove of the conveying lead screw is matched with the diameter of the rod portion of the push rod, and the ball head end and the ball socket end of a discharging port of the mistake-proof feeding device are matched with a ball head and a ball socket at the two ends of the push rod respectively. According to the invention, simultaneous quenching of the ball head and the ball socket at the two ends of the push rod can be realized, the problems of low efficiency and overlarge cost input caused by separate quenching of multiple devices in the prior art are solved, wrong quenching, re-quenching and missing quenching in the machining process are avoided, and high dependence on personnel skills and operation attention is avoided; quenching efficiency of the ball head and the ball socket at two ends of the push rod can be improved, product quality can be guaranteed, and manufacturing cost can be reduced.

The invention discloses thermal forming equipment and a thermal forming system, and is applied to the technical field of thermal forming. An upper slide block and a lower slide block; the transmission assembly is installed on the equipment frame, the transmission assembly comprises a power component, a power conversion component connected with the power component, a torque transshipment mechanism connected with the power conversion component and a feedback encoder used for obtaining the rotation angle of the torque transshipment mechanism, and the power conversion component and the torque transshipment mechanism are both in a gear shape; the torque transfer mechanism is used for driving the upper sliding block to move towards or away from the lower sliding block; the power component and the feedback encoder are both connected with the controller, and the controller is used for controlling the power component to act according to the rotation angle, obtained by the feedback encoder, of the torque transshipment mechanism. According to the thermal forming equipment, the moving position of the upper sliding block can be better fed back, the mold closing position precision between the upper mold and the lower mold is improved, and the machining precision of a workpiece is further improved.

A quenching-attitude-setting program causes a computer to execute setting of the quenching attitude of an object to be quenched. The quenching-attitude-setting program causes the computer to execute a first process of dividing a virtual model obtained by modeling the object to be quenched into a plurality of elements based on a world coordinate system including a vertical direction as an axis, and a second process of evaluating whether a vapor film generated when the virtual model is immersed in cooling oil remains for each of the plurality of elements. In the quenching-attitude-setting program, the first process and the second process are repeated while changing an attitude of the virtual model with respect to the world coordinate system until the number of elements evaluated as having the vapor film remaining satisfies a preset condition.

The spring quenching device with the circulating cooling mechanism comprises a quenching tank, a conveying belt and a collecting box, a supporting frame is installed at one end of the quenching tank, a fan is arranged on the outer side of the supporting frame, and a circulating water pump is arranged on the portion, below the supporting frame, of the outer wall of the quenching tank; the input end of the circulating water pump extends into the quenching tank through a first water pipe, the output end of the circulating water pump is connected with an S-shaped pipeline arranged in the supporting frame through a second water pipe, the output end of the S-shaped pipeline is connected with a third water pipe arranged on the outer side of the quenching tank, and spray heads are further evenly arranged on the two sides of the quenching tank. The supporting table and the conveying belt are arranged in the quenching tank, the first servo motor is used for driving the conveying belt, continuous and automatic conveying of springs is achieved, it is guaranteed that the springs are evenly heated in the quenching process through even movement of the conveying belt, and the quenching efficiency and quality are remarkably improved.

The invention provides a sheet metal stamping character part machining method and system, and belongs to the technical field of machining. The machining method comprises the steps that raw materials of the part are obtained and cut to obtain a base body of the part; according to the material quality and design requirements of raw materials of the parts, a character machining tool is manufactured; engraving characters on the base body of the part by using a character processing tool; carrying out heat treatment on the base body of the part on which the characters are processed; and the base body of the part subjected to heat treatment is subjected to aftertreatment machining, and the target part is obtained. According to the method, the character parts are produced through machining, and the characters are directly engraved and formed, so that the use of electrode copper materials can be reduced, material circulation between procedures is reduced, and the production cost can be reduced.

The present disclosure provides a method of manufacturing a hot-stamped part, the method including: forming a blank by cutting a plated steel sheet having a plating layer formed on at least one surface of a base material; and heating the blank in a heating furnace including a plurality of sections having different temperature ranges, wherein the heating of the blank includes: a multistage heating operation of heating the blank in stages; and a soaking operation of soaking the blank, which has been heated in the stages, in a temperature of Ac1 to 910 °C, and a temperature an in the soaking operation and a total heating time bn in the heating of the blank satisfy the following relational expression. 62≤91.81+K−0.022×an−0.23×bn (In the above relational expression, K denotes a material correction coefficient.)

The invention discloses a heat treatment device for drill bit production, relates to the technical field of drill bit heat treatment, and solves the problems that when an existing heat treatment device for drill bit production is used, originally thrown-away chippings and oxide skin can be rolled into quenching liquid again and possibly attached to the surface of a drill bit again. A quenching barrel and an induction furnace are fixedly connected to the two ends of the base respectively, a support is fixedly connected to the top of the base, a first motor is embedded into the top of the support, a U-shaped frame is rotationally connected to the top of the support, and the end of a main shaft of the first motor is fixedly connected with the bottom of the U-shaped frame; the two ends of the top of the U-shaped frame extend towards the two sides correspondingly to form a pair of symmetrical bearing parts, and reciprocating lead screws are arranged at the bottoms of the bearing parts correspondingly. The drill bit heat treatment device has the advantages of being good in chipping and oxide skin removal effect and high in drill bit heat treatment efficiency.

The invention relates to the technical field of gear shaft machining equipment, and discloses new energy direct drive motor gear shaft machining equipment and a machining technology.The new energy direct drive motor gear shaft machining equipment comprises a quenching pool and a lifting frame, the lifting frame is located above the quenching pool, and the quenching pool is filled with quenching oil; the bearing frame and the gear shaft body are driven by the driving assembly to rotate in the quenching oil in a reciprocating mode, the tearing effect of inertia force on a covering film on the surface of the gear shaft body is further enhanced through the rotation, more importantly, in the rotating process, the contact state of the surface of the gear shaft body and the quenching oil can be continuously changed, and the gear shaft body is prevented from being damaged. The gear shaft body is alternately exposed in the high-temperature oil area and the low-temperature oil area, and the alternate exposure mode can always ensure that the workpiece gear shaft body can be in contact with low-temperature quenching oil, so that the problem that the temperature of the quenching oil rises due to long-time contact with a high-temperature workpiece is effectively avoided, and a good quenching effect is ensured.

The invention relates to the field of motor shaft manufacturing equipment, in particular to steel motor shaft manufacturing heat treatment equipment which comprises a track plate and a fixing plate, an induction coil used for heating a motor shaft is fixedly installed on the rear side of the fixing plate, and a clamping mechanism used for conducting segmented clamping on the motor shaft is arranged on the track plate. According to the invention, a double limiting mechanism of segmented clamping of the clamping mechanism and follow-up limiting of the limiting mechanism is adopted, when the induction coil moves to a heating area at the end part of the motor shaft, the jacking column and the clamping block at the corresponding side actively get away from the motor shaft, and the motor shaft is clamped by the jacking column and the clamping block; the problem of repeated thermal deformation caused by the fact that the jacking column is exposed to a strong induced magnetic field is thoroughly avoided, meanwhile, the abutting rod keeps fixed relative to the induction coil in position, in the rotating process of a motor shaft, real-time calibration of the coaxiality of the heating section is achieved, and the coaxiality degradation risk of traditional opposite jacking clamping is effectively eliminated.

This invention relates to the field of quenching equipment technology, specifically to a rotary bearing integral quenching machine arm without a soft strip, comprising a base and a mounting plate located above the base. The bottom end of the mounting plate has a horizontally rotatable adjustment plate. Several displaceable driven arms are evenly distributed through the side wall of the adjustment plate. Each driven arm has a rotatable extension arm on its other end. A lifting frame is fixed to the lower side surface of each extension arm. When the lifting frames face each other or away from each other, they can lift the workpiece to be processed. This processing device adjusts the spacing of the extension arms by adjusting the displacement of the driven arms, and lifts workpieces of different specifications by rotating the lifting frames. The rotation of the first and second drive rollers drives the workpiece to rotate, facilitating processing.

The utility model relates to the technical field of vacuum gas quenching furnaces, and discloses a circulating heat exchange type vacuum gas quenching furnace which comprises a vacuum gas quenching furnace body, a set of connectors are arranged on the outer wall of the vacuum gas quenching furnace body, circulating pipes are connected to the outsides of the connectors, a water cooling tank is connected to one end of each circulating pipe, and a flow dividing air bellow is rotationally installed on one side of the interior of the water cooling tank; a plurality of heat exchange pipes are arranged on the inner wall of the flow dividing air bellow in the circumferential direction at equal intervals, the ends, away from the flow dividing air bellow, of the heat exchange pipes are connected with an air bellow, a sealing plate is rotationally installed on the other side in the water cooling tank, and a three-way air pipe is arranged outside the sealing plate. The workpiece is placed in the vacuum gas quenching furnace to be heated in advance, a proper environment is provided for heat treatment of the workpiece, cold air is divided through the multiple heat exchange pipes, the heat exchange efficiency is improved, the bevel gear rotates to drive the sealing plate, the air box and the heat exchange pipes to rotate, the multiple heat exchange pipes make full contact with cooling liquid, the heat exchange uniformity is improved, and the heat exchange efficiency is improved. And the workpiece cooling effect is ensured.

The utility model relates to the technical field of roller manufacturing and processing, and discloses a roller spray quenching processing device and a cooling liquid recycling regulation and control system thereof, which comprise a barrel body, a cooling liquid recycling regulation and control system, a cooling liquid recycling regulation and control system, a cooling liquid recycling regulation and control system and a cooling liquid recycling regulation and control system, a cooling liquid recycling regulation and control system, a cooling liquid recycling regulation and control system and a cooling liquid recycling regulation and control system, the cleaning mechanism is arranged in the barrel and used for cleaning an oxidation layer or a decarburization layer formed on the surface of a roller in the high-temperature quenching process, and the spray quenching cooling liquid recycling regulation and control system comprises a temperature sensor, a temperature sensor, a temperature sensor, a temperature sensor, a temperature sensor, a temperature sensor, a temperature sensor and a temperature sensor, and the temperature sensor is arranged in the liquid distribution pipe and used for detecting the temperature of cooling liquid and recycling liquid in a pipeline; and the PLC is used for integrally controlling and coordinating the operation of the system. Uniform quenching is ensured through the rotating assembly and the limiting assembly, the cleaning assembly automatically adapts to and cleans impurities on the surface of the roller, the cooling effect and the mechanical performance are improved, the problems of cooling liquid waste and unstable temperature are solved through the recycling assembly, resource recycling is achieved, and the production cost is reduced.

To provide steel sheets, and high strength press hardened steel parts having excellent bending properties.SOLUTION: A steel sheet, made of a steel having a composition comprising C: 0.3-0.4%, Mn: 0.5-1.0%, Si: 0.4-0.8%, Cr: 0.1-1.0%, Mo: 0.1-0.5%, Nb: 0.01-0.1%, Al: 0.01-0.1%, Ti: 0.008-0.03%, B: 0.0005-0.003%, P: ≤0.020%, Ca: ≤0.001%, S: ≤0.004%, N: ≤0.005% and comprising optionally Ni<0.5%, having a microstructure comprising, in surface fraction, from 60% to 95% of ferrite, the rest being martensite-austenite islands, pearlite or bainite, and comprising a bulk and a skin layer occupying the outermost 10% of the thickness on either sides of the bulk, the skin layer having a skin layer inclusion population wherein the surface fraction of oxides is equal to or below 60*10-6.SELECTED DRAWING: Figure 1

The utility model relates to the related technical field of heat treatment, and discloses a double-door through trolley type heat treatment furnace which comprises a bottom plate, the left side of the top of the bottom plate is fixedly connected with a supporting frame, the rear side of the top of the supporting frame is fixedly connected with a driving assembly, and the front side of the driving assembly is fixedly connected with a moving plate. The bottom of the moving plate is fixedly connected with a lifting assembly, the bottom of the lifting assembly is fixedly connected with a containing shell, the top of the containing shell is fixedly connected with a motor, the output end of the motor is fixedly connected with an output shaft, and the outer portion of the output shaft is fixedly connected with a first half gear. According to the workpiece quenching device, a heated workpiece can be clamped and picked up by starting the push rod and the motor, so that the heated workpiece can be put into the cooling box, the workpiece is quenched by the device, the working efficiency of the device is improved, and the workload of workers can be reduced.

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 present invention includes a step of cutting a plated steel sheet having a plating layer formed on at least one surface of a base material to form a blank, and a step of heating the blank in a heating furnace having a plurality of sections with different temperature ranges. The step of heating the blank includes a multi-stage heating step of heating the blank step by step, and a soaking heating step of heating the multi-stage heated blank at a temperature of Ac1 to 910 °C. The temperature (a n ) of the soaking heating step and the total heating time (b n ) of the step of heating the blank satisfy the following relational expression, and a method for manufacturing a hot stamping part is provided. (Relational expression) 62 ≦ 91.81 + K - 0.022 × a n - 0.23 × b n (In the above relational expression, K is a material correction coefficient).

The invention relates to the technical field of chain quenching, in particular to quenching equipment and technology for chain part machining, and the quenching equipment comprises a quenching furnace body and a conveying mesh belt arranged in the quenching furnace body, and further comprises a cleaning mechanism arranged in the quenching furnace body and used for cleaning the conveying mesh belt; the cleaning mechanism comprises a lifting assembly and a supporting hopper, a connecting frame is fixedly installed on the supporting hopper, and a cleaning brush roller is rotationally arranged on the connecting frame; cleaning cavity plates are arranged on the two sides of the cleaning brush roller, a plurality of cleaning rods are arranged on the cleaning cavity plates in a communicating mode, the cleaning cavity plates on the two sides of the cleaning brush roller and the cleaning rods communicated with the cleaning cavity plates can be accurately inserted into brush gaps of the cleaning brush roller, mingled impurities are thoroughly scraped away, meanwhile, the linkage assembly drives the auxiliary cleaning assembly to generate gas, and the cleaning brush roller is driven by the linkage assembly to rotate. The cleaning rod is used for spraying, residues left on the cleaning brush roller are further cleaned, scraping and air spraying cleaning are combined, cleaning of the brush roller is achieved, and the cleaning quality is effectively guaranteed.

The utility model discloses a quenching furnace capable of continuously quenching. The quenching furnace comprises a quenching furnace body and a plurality of continuous conveying trolleys, the quenching furnace body comprises an upper-layer quenching area and a lower-layer continuous conveying area; a heat-insulating door is arranged at one end of the upper quenching area; a signal transmitter is arranged at the lower end of the insulation door; a conveying rail is arranged in the lower-layer continuous conveying area; the continuous conveying trolley is arranged on the conveying track; the continuous conveying trolley comprises a frame body, a plurality of rollers, a lifting assembly and a micro driving motor; the frame body is arranged on the conveying track through a plurality of rollers; a lifting assembly is arranged on the frame body; and a micro driving motor is arranged beside the roller. According to the quenching furnace capable of continuously quenching, it is not needed to wait for each workpiece to independently complete heating, heat preservation, cooling and other procedures like single-piece quenching, through the arrangement of the liftable continuous conveying trolley and the cooperation of a plurality of induction facilities, the production period is greatly shortened, the production efficiency is improved, and the quenching furnace is suitable for mass production of quenching parts.