2773results 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 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.

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 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 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 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.

The utility model discloses a quenching furnace for heat treatment processing, and relates to the technical field of quenching furnaces. The upper side of the bottom plate is provided with a quenching box, the inner wall of the quenching box is provided with a plurality of heating plates, the inner wall of the quenching box is fixedly connected with a sealing ring plate, the quenching box is internally provided with a blanking mechanism, one side of the quenching box is fixedly connected with a guide plate, the upper side of the bottom plate is provided with a cooling box, and the guide plate is matched with the cooling box; and a filter plate is in sliding fit in the cooling box. According to the blanking mechanism, when the hydraulic cylinder drives the connecting plate to descend, the rotating wheel is in contact with the lower side of the placing shell, and when the connecting plate continuously descends, the placing shell rotates to be connected with the guide plate under the extrusion of the rotating wheel, so that a quenched metal piece slides into the cooling box through the placing shell and the guide plate, blanking is stable, and the working efficiency is improved. Collision of quenched metal pieces is reduced, and the machining effect and quality of products are improved.

The invention discloses a heat treatment device for crusher parts and a using method thereof, and relates to the technical field of heat treatment. To solve efficiency problems; the device specifically comprises a base; a stand column is fixed to the outer wall of the top of the center of the base through bolts, a rotating ring is rotationally connected to the outer wall of the stand column, and three supporting arms in an equal-angle circular array are arranged on the outer wall of the rotating ring. A clamping mechanism used for clamping and fixing a shaft is arranged at the end of the supporting arm, a high-frequency heating mechanism and a cooling mechanism are arranged on the top of the base, and the high-frequency heating mechanism is fixed to the base through a support. By arranging the rotatable supporting arm and cooperating with the high-frequency heating mechanism and the cooling mechanism, the whole device has three stations of feeding and discharging, high-frequency heating and spray cooling, and the three stations are circularly arranged, so that feeding and discharging, heating and cooling can be synchronously and crossly carried out, and the heat treatment efficiency is improved.

The present application relates to quenching equipment technical field, specifically is related to a slewing bearing no soft band integral quenching machine tool, including base, the upper surface of base is provided with collecting groove, X axis support is equipped in collecting groove, the adjustable box that can along its installation direction horizontal sliding is equipped on X axis support, the top end of adjustable box is embedded with rotatable support cylinder, a plurality of clamping jaws are provided in the side wall of support cylinder, the clamping jaw is driven and the spacing is adjusted by the drive assembly arranged in support cylinder;The slewing bearing is clamped or released in the process of approaching or moving away each other, the rotating motor can drive the rotation of support cylinder, and then the slewing bearing clamped in the inside of clamping jaw is adjusted, when adjustable box is at different positions on X axis support, the inside or outside of different specifications of slewing bearing can be quenched.

The invention discloses a continuous passing type quenching conveying device for diesel engine camshafts in the technical field of diesel engine camshaft machining. The quenching conveying device comprises a first conveying mechanism, a plurality of camshaft fixing mechanisms and a plurality of quenching mechanisms, wherein the camshaft fixing mechanisms and the quenching mechanisms are arranged on the first conveying mechanism. Wherein the quenching mechanism comprises a bearing frame connected with the first conveying mechanism, a driving device arranged on the bearing frame and a split type induction coil connected with the driving device, and the split type induction coil comprises two sets of symmetrically-arranged arc-shaped coils and a driving part used for driving the two arc-shaped coils to move face to face or back to back. According to the quenching mechanism, the split type induction coil is driven by the driving equipment to move in the axial direction of the diesel engine camshaft main body for quenching work, the diesel engine camshaft main body does not need to be repeatedly clamped, transferred and reset, the quenching treatment work efficiency of the diesel engine camshaft main body is greatly improved, and the production efficiency is improved.

The invention discloses a hot stamping die, and particularly relates to a local quenching adjustable splicing type hot stamping die which comprises a male die and a female die, and the female die adopts a splicing type structural design and comprises a first insert provided with a cooling water channel; the insert II is also provided with a cooling water channel; the third insert is provided with a heating channel, and an electric heating rod or a heat conduction rod penetrates into the heating channel; wherein the first insert, the second insert and the third insert are alternately inlaid on the female die; moreover, when the first insert or the third insert is embedded in the female die, a pit area is formed between the inner wall of the first insert or the third insert and the forming face through the height difference. When the second insert is embedded in the female die, the inner wall of the second insert is flush with the forming face. The technical problem of improving the local quenching adjustable performance of the hot stamping die is solved, so that new requirements of different materials / parts or follow-up process parameter adjustment on regional mechanical property distribution of hot stamping parts are better met.

The invention relates to the technical field of aluminum alloy profile processing, and particularly discloses a super-long thin-wall aluminum alloy profile anti-deformation vertical quenching method which comprises the following steps: S1, determining mechanical parameters, and obtaining the maximum equivalent buckling axial pressure P of a to-be-quenched aluminum alloy profile; s2, determining the maximum constraint length of a single section: further calculating the maximum allowable length of the single constraint section of the to-be-quenched aluminum alloy section; S3, determining a minimum constraint section; S4, carrying out solid solution quenching: equally dividing the to-be-quenched aluminum alloy section according to the minimum constraint section N, and carrying out section marking in the radial direction from the bottom to the top, the adjacent segment marking positions and the top of the sectional material are restrained and fixed; and after fixation, solid solution quenching is carried out, and after solid solution quenching is completed, the profile is taken out. The vertical quenching device is suitable for vertical quenching requirements of various ultra-long thin-wall aluminum alloy profiles with complex sections, and the profiles are effectively prevented from being deformed in the vertical quenching process.

The utility model relates to the technical field of high-precision aluminum plate production and processing, and discloses a high-precision aluminum plate quenching device with a rotating structure, which comprises a device bottom cylinder, and a top frame is fixedly arranged at the top end of the device bottom cylinder. When the high-precision aluminum plate quenching device with the rotating structure is used, after a high-precision aluminum plate is clamped and fixed in the fixing frame, a hydraulic cylinder is controlled to start to drive a mounting seat to move downwards, the high-precision aluminum plate is placed in a bottom cylinder of the device to be cooled and quenched, and meanwhile, a servo motor can be controlled to start to drive a worm to rotate by utilizing a speed reducer; when the worm rotates, the meshed worm gear can be used for driving the connecting shaft to rotate, and the connecting shaft can drive the connecting seat and the aluminum plate at the bottom to rotate while rotating, so that the aluminum plate can be in uniform contact with low-temperature cooling liquid in the bottom cylinder of the device, the cooling efficiency of the aluminum plate is improved, and a high-precision aluminum plate workpiece can be conveniently and efficiently cooled; the problem that efficient cooling of a high-precision aluminum plate workpiece is inconvenient is solved.

The invention discloses a heat treatment device and method for stainless steel machining, and relates to the technical field of pipeline quenching, the heat treatment device comprises a cooling mechanism, the cooling mechanism comprises a box body, and the box body is filled with cooling liquid; the pipe body inside and outside uniform quenching mechanism is connected with the cooling mechanism; cooling liquid is supplied into the ceramic tube through the liquid temperature control mechanism in the mounting tube by means of the liquid supply device, is sprayed to the cone from the bottom end of the ceramic tube, uniformly covers the inner wall of the stainless steel tube after being diffused by the cone, and is in full contact with a quenching area of the inner wall to realize cooling; meanwhile, oxide on the inner wall of the stainless steel pipe can be stripped through the impact effect of the cooling liquid, and cooling uniformity is guaranteed. Besides, the flowing of the cooling liquid can avoid temperature rise caused by retention in the stainless steel pipe, so that the cooling effect of the quenching position is prevented from being influenced, the lifting of the liquid temperature control mechanism in the pipe is convenient for subsequent installation and replacement, and the processing efficiency is effectively improved.

The utility model discloses a high-frequency quenching positioning tool which comprises a box body, the box body is not provided with a cover, and a control console is arranged on the side wall of the box body; the functional part comprises an electric hydraulic column and a plurality of magnetic induction rings, the lower end of the electric hydraulic column penetrates through the plurality of magnetic induction rings to be fixedly connected to the bottom of the box body, the plurality of magnetic induction rings are fixedly connected to the inner wall of the box body, and the electric hydraulic column and the plurality of magnetic induction rings are in circuit connection with the console; and the fixing part comprises a bottom plate and a fixing assembly, the bottom plate is fixedly connected to the upper end of the electric hydraulic column, and the fixing assembly is fixedly connected to the middle position of the bottom plate.

The invention discloses a deep-cavity aluminum alloy profile online quenching device and method.The online quenching device comprises a quenching tank and a spraying disturbance assembly, the spraying disturbance assembly comprises a water passing pipe and a plurality of spraying nozzles, and the water passing pipe is fixed to the bottom wall of the quenching tank, arranged in the moving direction of a deep-cavity aluminum alloy profile and located at the water inlet end of the quenching tank; the nozzles are arranged on the outer wall of the water pipe and arranged in the extending direction of the water pipe and used for disturbing water flow in the quenching tank. According to the on-line quenching device, the water passing pipe is arranged on the bottom wall of the quenching tank, the multiple sprayers are arranged in the extending direction of the water passing pipe, the sprayers spray water towards the inner wall of the deep cavity of the aluminum alloy profile, water flow is disturbed strongly, the cooking effect and flow field stagnation in the deep cavity can be effectively broken, and synchronous and uniform cooling inside and outside is achieved. The on-line quenching device is simple in structure, the fixed non-moving water passing pipe is higher in reliability, and integration and transformation on an existing horizontal passing type quenching production line are facilitated.

The utility model relates to the technical field of steel ball quenching, and discloses novel bearing steel ball quenching equipment which comprises a base, the top of the base is fixedly connected with a quenching pool, one side of the top of the quenching pool is fixedly connected with a baffle, one side of the baffle is fixedly connected with a motor, the output end of the motor is fixedly connected with a brush roll shaft, and the brush roll shaft is fixedly connected with a motor. And a cleaning box is fixedly connected to the top of the other side of the baffle, supporting plates are fixedly connected to the two sides of the top of the quenching pool, a dust suction machine is fixedly connected to the tops of the supporting plates, a dust suction pipeline is fixedly connected to a port of the dust suction machine, and a filter screen is installed on the inner wall of the dust suction pipeline. According to the steel ball cleaning device, the motor is started to drive the brush roll shaft to clean the surfaces of steel balls in the cleaning box, and then the dust suction pipeline adsorbs and filters dust in the cleaning box through the filter screen through the dust suction machine, so that the surface quality of the steel balls is improved, and the risks of oxidation and corrosion are reduced; therefore, the performance and the service life of the whole workpiece are improved.

The invention relates to the technical field of bearing quenching, and particularly discloses a quenching device for bearing production, which comprises a shell and a driving assembly arranged in the shell, a three-jaw chuck is arranged at the output end of the driving assembly to drive the three-jaw chuck to rotate and lift, and an electromagnetic heating module and a cooling module are also arranged in the shell; the electromagnetic heating module comprises at least three electromagnetic heating units, each electromagnetic heating unit comprises a sliding seat which is in elastic sliding fit with the shell in the radial direction of the three-jaw chuck, a lifting seat is arranged on the sliding seat, an electromagnetic coil is arranged on the lifting seat, and the electromagnetic coil comprises a vertical section and an annular section. The bearing ring heating device has the beneficial effects that the distances between the annular sections and the inner wall of the bearing ring are the same, and meanwhile, the bearing ring is in a rotating state during working, so that the temperature rising speeds of different positions of the bearing ring are consistent, the bearing ring can be uniformly heated to a set temperature, the heating uniformity of the whole bearing ring is ensured, and the service life of the bearing ring is prolonged. And the product quenching quality is improved.

The invention discloses a steel heat treatment quenching and tempering device which realizes full-process automatic connection of special-shaped steel parts from furnace charging, heating, quenching to tempering through rail type butt joint of a heating furnace and a quenching bath, accurate lifting of a hydraulic driving material frame and intelligent switching of a driving unit. The procedures are seamlessly switched, so that the process period is remarkably shortened, manual intervention is reduced, and the operation risk is reduced while the production efficiency is improved; in the heating and quenching process, the charging tray drives the special-shaped part to continuously rotate, electric heating bars evenly distributed in the heating furnace are matched with forced convection stirring in the quenching pool, it is guaranteed that the temperature of all parts of the special-shaped part is evenly distributed, and the risk of thermal stress deformation is effectively reduced; the structure uniformity, the hardness consistency and the comprehensive mechanical property of the quenched and tempered special-shaped part are remarkably improved through a dynamic treatment mechanism; high-temperature waste gas drives the wind wheel to rotate through the gas guide assembly, temperature homogenization of the quenching liquid is achieved, a U-shaped pipe magnetic attraction and sedimentation dual impurity removal mechanism is achieved, and the service life of the liquid is prolonged.

The present invention relates to the technical field of hot stamping steel. Disclosed is a soaking-type stamping method and apparatus for hot-formed steel, comprising the following steps: step 1: transporting a prepared blank into a furnace chamber for austenitizing heating, the blank being made of a hot-formed steel material; and step 2: immersing a lower forming punch into a liquid medium within a tank assembly, and placing the heated blank onto a material support frame by means of a loading manipulator, the tank assembly being internally provided with the liquid medium. A soaking-type stamping method is used in the present invention, which, compared to the direct hot-forming method in the prior art, optimizes the structure of a mold, reduces the machining of water channels in hot stamping devices of the prior art, and shortens the processing cycle and reduces costs while broadening the applicable range of materials, solving the issue of oxide scale on uncoated plates and the lime problem of galvanized steel plates, and having low investment costs and being easily controlled for automation.

The utility model relates to the technical field of vacuum oil quenching furnaces, and discloses a vacuum oil quenching furnace with a quenching cooling protection function, the vacuum oil quenching furnace comprises a quenching box, sliding grooves are formed in the four sides of an inner cavity of the quenching box in a penetrating manner, sliding blocks are slidably mounted in the multiple sliding grooves, and material placing plates are arranged among the multiple sliding blocks; connecting cylinders are fixedly mounted on the four sides, close to the sliding blocks, of the material placing plate correspondingly, and elastic pieces are arranged in the multiple connecting cylinders correspondingly; by arranging a connecting cylinder and a clamping column, the material placing plate can be fixed and detached, the material placing plate can be conveniently replaced or cleaned, and it is guaranteed that the surface of the material placing plate is smooth and free of pollution, so that it is guaranteed that metal materials are evenly heated in the quenching process, the quenching effect is improved, the downtime is shortened, and meanwhile operation safety and stability are guaranteed; the impurity removal brush can be rapidly replaced, it is ensured that the impurity removal brush always has the optimal cleaning effect, and impurity accumulation is prevented from affecting the quenching quality.

Examples of methods of hot forming structural components are provided. The methods include heating a blank made from a press hardenable boron steel and forming the heated blank in a production line or multi-step apparatus. Examples of the present disclosure provide hot forming and cutting of a blank with a cycle time of 10 seconds or less for each of the tools.

The invention relates to a method for producing hardened steel components, wherein a blank is cut out of a galvanized strip of a hardenable steel alloy and the blanks are then cold formed into a component blank and then heated to a temperature that causes a structural change towards austenite, wherein the austenitized component blank is then fed to a form-hardening tool in which the component blank is held in a form-fitting manner by means of an upper and lower tool which have a shape substantially corresponding to the component blank, wherein the contact of the material of the component blank against the particularly cooled tools means that the heat is extracted from the steel material so quickly that martensitic hardening occurs,wherein, after galvanizing the metal strip and before raising the temperature for the purpose of austenitization, an aqueous potassium hydroxide solution and / or lithium hydroxide solution is applied to the surface of the strip or the blank or the component blank.

The utility model discloses a quenching liquid tank for metal processing, which comprises a frame unit, a quenching unit, a cooling unit, a quenching unit, a cooling unit and a control unit, the frame unit comprises a tank body, and the bottom of the tank body is fixedly connected with a cooling box; the cooling unit comprises a plurality of partition plates arranged in a cooling box, the partition plates are arranged in a staggered mode, a water inlet and a water outlet are formed in the left side and the right side of the cooling box respectively, a connecting pipe is communicated between the water inlet and the tank body and between the water outlet and the tank body, a water pump is arranged on the connecting pipe, and a separating plate is arranged in the cooling box. A streaming hole and a movable bin are formed in the separating plate, and the streaming hole is communicated with the movable bin. Through the S-shaped flow channel design of the cooling unit and the cooling fins, the cooling efficiency and the temperature uniformity of quenching liquid are remarkably improved, the quenching quality is guaranteed, the liquid is circulated between the cooling box and the tank body through the water pump, and uniform heat distribution is promoted.

The utility model discloses a circular plain film quenching anti-deformation work fixture which comprises two supporting discs, a plurality of supporting rods and fastening nuts, the supporting discs are arranged at the two ends of the supporting rods in a sleeving mode and are connected in a fastening mode through the fastening nuts, and the two supporting discs are kept parallel when arranged on the supporting rods in a sleeving mode; and the plurality of supporting rods form a fixed supporting rod of the circular flat sheet. The utility model provides the anti-deformation work fixture for quenching of the round flat sheet, the support rod is used for fixing and clamping, the problem of buckling deformation or ovality increase is effectively solved, the fixture is easy to fix and convenient to operate when being put in a furnace, and the production efficiency is improved.

The present invention discloses a thermoforming mold and equipment, which are applied to the field of thermoforming technology. The thermoforming mold includes: an upper mold and a lower mold, wherein a cavity for placing a workpiece is formed between the upper mold and the lower mold, and a cavity is provided inside each of the upper mold and the lower mold. In addition, a hollow portion is provided at a target position on one side of the upper mold and the lower mold near the cavity, and the hollow portion is connected to the cavity so that a medium in the cavity can be sprayed onto the workpiece through the hollow portion; a plurality of ejectors, wherein the ejectors are installed in the cavity of the upper mold and / or the lower mold; and a plurality of medium pipelines, which are arranged in the cavity and are used to supply medium to the ejectors, and the pressure of the medium pipelines is adjustable. The thermoforming mold provided by the present invention can improve the forming accuracy and efficiency of the workpiece, effectively eliminate the phenomenon of workpiece quenching deformation, and the weldability of the workpiece after quenching is good, and the workpiece surface is not easily oxidized.