39results about How to "Improve annealing efficiency" patented technology

The invention relates to the technical field of annealing furnaces, in particular to a swirl injection type energy-saving annealing furnace. The device comprises outer shell plates and an air duct, the outer shell plates are spliced to form a hearth, the air duct is arranged in the outer shell plates to form an air path for convective circulation, the air duct is connected with a circulating fan, and air in the air duct and an inner cavity of the hearth is driven by the circulating fan to actively convectively circulate. The air direction of air convection circulation of the air channel faces the side face and the lower portion of the workpiece needing annealing, and a heat preservation layer is attached to the inner surface of the outer shell plate. The shell plate is used for supporting a main body structure of the furnace body, the air duct is used for achieving circulation convection of air flow, the annealing efficiency and the annealing quality of the metal coiled materials are improved through circulation convection of high-temperature air flow, the heat preservation layer is used for storing internal heat, reducing energy leakage and effectively reducing loss, and the circulation fan is used for providing power for circulation convection of the air flow.

The invention belongs to the technical field of wire and cable processing equipment, and particularly relates to a heavy wire drawing machine annealing device and a using method thereof. The annealing device of the heavy drawing machine comprises a rack, a mounting groove is formed in the front side of the rack, a protective cover is mounted on the front side of the mounting groove, and a plurality of first guide rollers and a plurality of heat dissipation rollers are vertically mounted on the inner wall of the rear side of the mounting groove. Through the arrangement of the preheating assembly, in the wire annealing process, a wire heated by the induction heater can be gradually wound on the second winding roller, and then residual heat in the wire can be transmitted to the metal heat conduction disc through the metal heat conduction strip on the second winding roller; and then, the metal heat conduction disc can transfer heat to the metal heat conduction strip connected with the metal heat conduction disc, so that the metal heat conduction strip on the first winding roller is used for preheating the wire to be annealed, the subsequent wire annealing efficiency is improved, meanwhile, the utilization rate of heat generated by the induction heater is also improved, and heat energy is saved.

The utility model relates to the technical field of steel belt annealing devices, and discloses a high-strength steel belt continuous annealing device which comprises an annealing box, an impurity removal box is arranged on the outer surface of the annealing box, a communication opening is formed in the outer surface of the annealing box, and the interior of the annealing box is fixedly communicated with the interior of the impurity removal box through the communication opening. According to the continuous annealing device for the high-strength steel strip, a steel strip body enters the impurity removal box through a communicating port after being annealed through the annealing box, and then passes through middle gaps correspondingly formed by three upper cleaning rollers and three lower cleaning rollers; at the moment, the worker controls a twisting handle to drive a threaded roller to rotate, a gap formed by an upper cleaning roller and a lower cleaning roller is adjusted, it is guaranteed that the upper cleaning roller and the lower cleaning roller make full contact with the steel belt body, and therefore the effect that dust and slag are prevented from being attached to the surface of the steel belt, and follow-up machining of the steel belt is affected is achieved.

The utility model relates to energy-saving and consumption-reducing glass bottle annealing equipment, and belongs to the technical field of annealing equipment, the energy-saving and consumption-reducing glass bottle annealing equipment comprises an annealing furnace main body, control equipment, a first feeding box, a second feeding box and a top box, and an automatic feeding mechanism is arranged outside the annealing furnace main body; the automatic feeding mechanism comprises a motor fixedly installed on the left side of the first feeding box, a lead screw fixedly connected to an output shaft of the motor, a movable sleeve slidably connected to the outer surface of a movable rod, a vertical plate fixedly connected to the top of the movable sleeve and the top of the movable sleeve, and a discharging box fixedly installed on the right side of the vertical plate. The partition plate is fixedly connected to the interior of the discharging box, the containing holes are formed in the partition plate, and the steel wire supporting net is fixedly connected to the bottom of the discharging box. Compared with an existing feeding mode that a worker needs to use a hook or a push rod to push glass bottles into the annealing equipment one by one, the energy-saving and consumption-reducing glass bottle annealing equipment is more convenient, and meanwhile, the feeding efficiency is higher.

The present invention relates to the technical field of glassware annealing, and in particular to an annealing device for glassware production, comprising a conveyor frame, a hollow conveyor belt is provided inside the upper end of the conveyor frame, the inner wall of the hollow conveyor belt is a symmetrical structure with two conveyor rollers for friction transmission, a stepper motor is installed on the outer wall of the conveyor frame through a mounting seat, the output shaft of the stepper motor is coaxially connected to one of the conveyor rollers, and two gantry frames are fixedly connected on the conveyor frame in a symmetrical structure, an annealing assembly is provided inside the gantry frame, both sides of the top surface of the conveyor frame, and both ends of the conveyor frame, and a shunt block is provided on the annealing assembly, a vortex tube is installed on the shunt block, and the cold air outlet end of the vortex tube is connected to the inside of the shunt block. The height of the annealing assembly is adjusted according to actual needs to adapt to glassware of different specifications or batches, thereby improving the accuracy of annealing and ensuring that each glassware can be properly annealed, thereby improving the quality and stability of the product.

The utility model discloses an annealing device for an aluminum alloy strip, which relates to the technical field of annealing and comprises a base, U-shaped supporting seats are fixedly arranged on two sides of the base, an annealing box is fixedly arranged at the top of the base, an annealing assembly is arranged at the top of the annealing box, and the annealing device is used for annealing the aluminum alloy strip and detecting the annealing temperature in real time. And a clamping assembly is arranged on the U-shaped supporting base and used for achieving automatic winding of the aluminum alloy strip and improving the annealing efficiency, and the annealing assembly comprises an air blower. According to the utility model, the air blower works to anneal the aluminum alloy strip, the temperature sensor detects the temperature, and when the annealing temperature is not met, the positive and negative motor rotates reversely to wind the aluminum alloy strip coil which does not meet the annealing temperature into the annealing cavity to be annealed again; therefore, the annealing quality and effect of the aluminum alloy strip are guaranteed, and the application range is widened.

The invention discloses an aluminum foil annealing device and relates to the technical field of aluminum foil machining, the aluminum foil annealing device comprises a bottom plate and a guide assembly, an annealing assembly is fixed to the top end of the bottom plate, four sets of vertical arms are fixed to the positions, located at the four corners of the annealing assembly, of the top end of the bottom plate, and a top plate is welded to the top ends of the four sets of vertical arms; a bearing assembly is installed above the annealing assembly, and an air cylinder used for lifting the bearing assembly is installed at the top of the top plate. The bearing assembly comprises a connecting plate fixed to the output end of the air cylinder, and a stress plate is assembled below the connecting plate. According to the invention, the two groups of E-shaped plates in the bearing assembly are used for alternately lifting the aluminum foil block, so that the bottom end position of the aluminum foil block is alternately in a suspended and exposed state, the heating time of the bottom of the aluminum foil block can be shortened, and the annealing efficiency and quality of the aluminum foil block are improved in a disguised manner; and meanwhile, garbage generated by annealing falls into the annealing bin along with lifting of the E-shaped plate, and the danger caused by falling of the garbage which is manually taken out is avoided.

This invention relates to a method for preventing edge overflow and bending of steel coils in a bell-type annealing furnace. When stacking steel coils, a double-ring convection system consisting of an inner and outer convection ring is placed between the upper and lower coils. Both the inner and outer convection rings consist of a ring body and multiple fan-shaped blocks evenly distributed circumferentially on the ring body. The upper and lower surfaces of the fan-shaped blocks protrude beyond the ring body and are planar. The inner and outer convection rings are coaxially arranged. The dimensions of the inner and outer convection rings are determined according to the specific location and width of the overflow edge on the steel coil, ensuring that both the inner and outer convection rings contact the flat end face of the steel coil in the area without an overflow edge. By using the inner and outer convection rings in combination to replace the existing integral convection plate structure, steel coils can be stacked and arranged in a bell-type furnace without completely avoiding the overflow edge, thereby eliminating the bending phenomenon at the overflow edge.

The present invention provides a hood-type bright annealing furnace for improving annealing efficiency, which includes a base, a furnace table, an inner cover, and an outer cover. The furnace table is fixedly installed on the base, and a through hole for the furnace table to be installed is opened on the base. The coil is placed on the top of the furnace table. The inner cover is arranged outside the coil and installed on the furnace table. The furnace table heats the outside of the inner cover. The outer cover is arranged outside the inner cover and installed on the base. A circulating fan for filling protective gas into the inner cover is arranged at the through hole on the base. The outer cover is divided into a heating cover and a cooling cover. The heating cover and the cooling cover are alternately installed on the base. A cooling fan for cooling the inside is arranged on the cooling cover, and a nozzle for cooling the inside is arranged in the cooling cover. The hood-type bright annealing furnace for improving annealing efficiency described in the present invention realizes rapid heating and cooling through the arrangement of the furnace table and the inner cover, and the alternating installation of the heating cover and the cooling cover of the outer cover, thereby improving the annealing efficiency.

The utility model relates to the technical field of wire drawing machines, in particular to an automatic wire drawing machine which sequentially comprises a pay-off mechanism, a wire drawing mechanism, an annealing mechanism, a tension adjusting mechanism and a winding mechanism, the wire drawing mechanism is in butt joint with the annealing mechanism, and the annealing mechanism comprises a plurality of guide wheels and at least one annealing wheel. A plurality of annealing boxes filled with cooling liquid are arranged below the guide wheel and the annealing wheel, each annealing box is provided with a wire inlet and a wire outlet, the plurality of annealing boxes are sequentially communicated end to end, the wire inlets are connected with the wire outlets, one annealing box is provided with a liquid inlet and the annealing wheel, and the other annealing box is provided with a liquid outlet. In the annealing process of the copper wire, cooling liquid in the annealing box flows in and out at the same time, so that the temperature of the cooling liquid in the annealing box is kept in a relatively balanced state, the cooling liquid does not need to be manually and repeatedly replaced, the burden of workers is reduced, and the annealing efficiency of the copper wire is improved.

The utility model belongs to the technical field of solar cells, and particularly relates to a multi-layer tunnel furnace which comprises a tunnel furnace body, a plurality of layers of conveying chains and a plurality of layers of conveying chains, fixed heating furnace pipe modules are arranged on the two sides of the multi-layer conveying chain respectively, and an exhaust module is arranged at the bottom of the multi-layer conveying chain. One side of the heating furnace pipe module and one side of the exhaust module facing the multi-layer transmission chain are respectively provided with a heating uniform flow plate and an exhaust uniform flow plate, according to the multi-layer tunnel furnace, the multi-layer transmission chain is arranged in the tunnel furnace body, and each transmission chain can be used for conveying perovskite battery pieces, so that the annealing efficiency is greatly improved; meanwhile, in order to enable the perovskite battery pieces on each layer of transmission chain to be annealed uniformly, the heating furnace pipe module and the exhaust module are respectively provided with a heating flow uniformizing plate and an exhaust flow uniformizing plate, so that hot air flow in the tunnel furnace body flows uniformly, and the hot air flow is prevented from being locally concentrated to influence the annealing quality of the perovskite battery pieces.

This utility model discloses a crystal glass annealing and heat preservation device, including an annealing and heat preservation chamber, a door movably connected to one side of the chamber, a support component for placing the crystal glass installed at the bottom of the chamber, and a heater and a temperature sensor fixedly installed on the inner side wall of the chamber. The chamber also includes a ventilation component. A controller is fixedly installed on one side of the chamber, controlling the heater, temperature sensor, and ventilation component. This utility model avoids the excessive local stress accumulation caused by placing the entire crystal glass on a table, reducing the possibility of cracking or deformation due to uneven stress during annealing, improving product yield, ensuring a constant temperature inside the chamber, creating a stable temperature environment for crystal glass annealing, improving annealing effect and product quality, reducing energy consumption, and saving production costs.

The invention relates to the technical field of heat treatment, in particular to a nickel alloy bar heat treatment device and a bar heat treatment technology.The nickel alloy bar heat treatment device comprises a furnace body and a tool assembly arranged at the bottom of an inner cavity of the furnace body, the upper half portion of the furnace body is a heating cavity, and the lower half portion of the furnace body is an annealing cavity; the tool assembly comprises a tool cylinder inserted in the annealing cavity, a carrier plate capable of sliding up and down is arranged in the tool cylinder, a supporting spring is connected to the bottom surface of the carrier plate and the cavity bottom of the tool cylinder, a motion space is formed between the carrier plate and the cavity bottom of the tool cylinder, an assembling hole is formed in the middle of the carrier plate, and the supporting spring is arranged in the assembling hole. A rotating shaft is installed in the assembly hole, a friction sleeve is fixed to the rotating shaft, heating, annealing and oxide skin falling work are completed, the surface brightness of the nickel alloy bar is high, if the nickel alloy bar is a final machined product, the product quality is high, the surface does not need to be polished again, and the finished product efficiency is improved.

The utility model belongs to the technical field of annealing furnaces, and particularly relates to a laminated annealing furnace which comprises an installation box body, a plurality of annealing units are arranged in the installation box body in a stacked mode, and a transmission line is independently arranged in each annealing unit. Wherein a plurality of supporting assemblies are arranged in the mounting box body to support the adjacent annealing units, the plurality of annealing units are stacked in the laminated annealing furnace, and each annealing unit can independently anneal a perovskite solar cell base material, so that the utilization efficiency of a plant in the height direction is effectively improved, and the annealing efficiency is improved.

The utility model relates to the technical field of accessory devices for cable processing, in particular to efficient annealing equipment for cable manufacturing, which can drive a cable to rotate and enable the cable to be heated or cooled uniformly when the cable is heated or cooled after being fixed, so that the annealing efficiency and quality are improved, and the production cost is reduced. Therefore, the practicability of the efficient annealing equipment for cable manufacturing is enhanced. Comprising an annealing furnace, a cooling assembly, a heating assembly and a cover plate, and further comprises a connecting block, a rotating air cylinder, a connecting plate, a two-way screw rod, two sets of first sliding blocks, two sets of first arc-shaped clamping plates and an auxiliary mechanism, a preformed hole is formed in the left side of a working cavity of the annealing furnace, and the connecting block is rotationally connected with the working cavity of the annealing furnace through the preformed hole; the left end of the connecting block is connected with the output end of the right end of the rotating air cylinder, the right end of the connecting block is connected with the left end of the connecting plate, a set of sliding grooves are formed in the right end of the connecting plate, and one end of the two-way screw is rotationally connected with the connecting plate through the sliding grooves.

The invention discloses a preparation method of an amorphous iron core, and belongs to the technical field of amorphous iron cores. The invention discloses a preparation method of an amorphous iron core, which comprises the following preparation steps: (1) winding an iron-based amorphous alloy strip to obtain an amorphous iron core blank; (2) carrying out pre-annealing treatment on the amorphous iron core blank; (3) winding copper strips inside and outside the amorphous iron core blank subjected to pre-annealing treatment, and performing secondary annealing treatment; and (4) putting the amorphous iron core blank subjected to secondary annealing treatment into an insulating adhesive for vacuum impregnation, taking out the amorphous iron core blank, and putting the amorphous iron core blank into a drying oven for drying to obtain the amorphous iron core.

The utility model discloses fastener wire rod spheroidizing annealing mechanism, including annealing furnace and wire rod roll, and the wire rod roll is formed by the wire rod of multiple disc stacking together, still include, rotation axis, rotation axis can drive wire rod roll to spread, increase the contact area with annealing furnace space, transmission assembly can drive multiple rotation axis rotation. The utility model has the beneficial effects that, through rotation axis rotation can drive wire rod roll to spread, increase the contact area with annealing furnace space, avoid the material to produce greater temperature difference, improve annealing efficiency's simultaneously, make the grain refinement of material more stable, uniform.

The application relates to an annealing device and method of crystals, and belongs to the technical field of crystal production. The annealing device comprises: an annealing crucible for placing a plurality of crystals to be annealed, a graphite felt is coaxially arranged at the bottom of the annealing crucible, the plurality of crystals are coaxially placed on the graphite felt from bottom to top, and graphite blocks are arranged between adjacent crystals; a heat preservation layer arranged outside the annealing crucible; an induction coil for heating the annealing crucible; a liftable edge heat preservation sleeve coaxially arranged with the annealing crucible, which can extend into the interior of the annealing crucible to heat preserve the edges of the crystals; and a liftable center heat preservation column coaxially arranged with the annealing crucible, which can extend into the interior of the annealing crucible to heat preserve the center area of the crystals. The device and method can effectively realize the uniform temperature distribution of the crystals in each stage of the annealing process, greatly shorten the annealing time, improve the annealing efficiency and the quality of the crystals after annealing.

The invention belongs to the technical field of semiconductor manufacturing, and relates to a perovskite photovoltaic device and an annealing method, a preparation method and application thereof, and the annealing method comprises the steps: placing the perovskite photovoltaic device on a heating stage, and carrying out the local heating of a to-be-annealed region of the perovskite photovoltaic device through laser, therefore, the perovskite crystal is converted into an optical active phase from a non-optical active phase; wherein the radiation flux density of the laser is determined according to the Stefan-Boltzmann law. The annealing method provided by the invention is particularly suitable for annealing treatment of the perovskite photovoltaic device, the annealing efficiency and the temperature accuracy are improved, selective annealing is realized, and degradation of a perovskite film caused by long-time annealing in air is avoided.

The utility model discloses an annealing furnace for stainless steel tube production, which relates to the technical field of stainless steel tubes and comprises a conveying mechanism, a wastewater recycling mechanism is fixedly mounted at the bottom of the conveying mechanism, an annealing cooling mechanism is arranged at the top of the conveying mechanism, and the wastewater recycling mechanism comprises a water collecting funnel. The water collecting funnel is fixedly mounted at the bottom of the wastewater recycling mechanism, a water pumping hose is fixedly connected to the bottom of the water collecting funnel, a water purifying box is fixedly mounted on the left side of the water collecting funnel, and a water pump is arranged at the top of the water purifying box and fixedly mounted on the left side of the wastewater recycling mechanism. According to the spraying device, the water collecting funnel, the water pumping hose, the water purifying box, the water pump and the water conveying pipe are matched with one another, so that waste water generated by spraying can be collected in a centralized manner and is sprayed and used again after being filtered, the water resource cost generated during spraying is reduced, and meanwhile, the waste water is prevented from polluting the working environment.

The utility model discloses a fluid flow control valve part annealing device which comprises an annealing assembly, and a cooling assembly is arranged on one side of the annealing assembly. The annealing assembly comprises a furnace body, the other side of the furnace body is hinged to a first door body, the inner wall of the top end of the furnace body is of an inclined structure, an isolation assembly is arranged at the upper end of the furnace body, the top side of the furnace body is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a hydraulic cylinder, one end of the hydraulic cylinder is connected with the top of a gate, and a heater is arranged at the bottom of the furnace body. A sliding rail is arranged in the furnace body, and a sliding table is connected to the sliding rail in a sliding mode. The cooling assembly comprises a cooling chamber communicated with one side of the furnace body, a gate is arranged between the furnace body and the cooling chamber, a cooling fan is arranged at the top of the cooling chamber, and one end of the sliding rail is arranged in the cooling chamber. According to the device, the temperature in the furnace body is kept while the workpiece heating and cooling efficiency is guaranteed, so that the temperature in the furnace body is prevented from being too low, and the heating time of the furnace body is shortened.

The invention relates to the technical field of metal material heat treatment, and discloses a method for improving the performance of a high-strength steel plate through electric field isothermal segmented spheroidizing annealing, which comprises the following steps: selecting a high-carbon martensitic stainless steel cold-rolled plate; fixing in a vacuum furnace, and carrying out radiation preheating to 650-750 DEG C; starting a pulse power supply to cooperate with a radiation field to rapidly heat to 1050-1080 DEG C for austenitizing; the current density is adjusted, air cooling is conducted to 730-760 DEG C, and electric field isothermal spheroidizing annealing is conducted; and finally, cooling to 450-500 DEG C along with the furnace, and then carrying out air cooling. According to the method, carbide dissolution is accelerated through the electromigration effect of pulse current, dispersion and precipitation of fine spherical carbides are promoted through segmented temperature control and an electric field morphological modification mechanism, network carbides are eliminated, the annealing period is obviously shortened, energy consumption is reduced, and the strength, plasticity and corrosion resistance of the steel plate are improved.

The invention provides a cadmium telluride crystal annealing device, and belongs to the technical field of annealing devices, the cadmium telluride crystal annealing device comprises an annealing furnace and a feeding assembly arranged in the annealing furnace, and outer sealing rings are mounted on the inner walls of openings in the two ends of the annealing furnace. According to the method, in the annealing process of cadmium telluride, the biochemical kinetics of cadmium is reduced through argon, the formation of new vacancy defects is inhibited, the crystal structure can keep relatively better integrity, and meanwhile, the added chromium chloride, indium and aluminum are gasified in the heating process and interact with related elements in the crystal, so that the crystal structure is improved. According to the crystal annealing device, the crystal to be annealed is fed while the annealed crystal is fed through the two sets of mounting bases, the continuity of the annealing process is improved, and then the annealing efficiency is improved; and the arranged limiting frame is used for limiting and fixing the crystals entering the furnace body in the feeding process, meanwhile, fixing of the discharged crystals is relieved, manual work is abandoned, and rapid fixing of the cadmium telluride crystals is achieved.

The invention discloses a steel casting automatic annealing device which comprises a chassis, rollers are fixedly connected to the bottom of the chassis, a supporting vertical rod is fixedly connected to the top of the chassis, an annealing mechanism is fixedly connected to the top of the supporting vertical rod, a storage mechanism is fixedly connected to the top of the chassis, and a pushing handrail is fixedly connected to the side wall of the chassis. And the top of the annealing mechanism is fixedly connected with a conveying mechanism. The invention relates to the technical field of steel casting annealing. When a plurality of heating cylinders are used for annealing the steel castings, the plurality of steel castings can be annealed at the same time, so that the annealing efficiency of equipment is improved; through cooperation of a nitrogen input pipe, a first heating resistance wire, a second electric sliding rail, a sliding sealing plate and an ultrasonic flaw detector, nitrogen in the nitrogen input pipe can be preheated, the situation that the temperature is low when the nitrogen enters the annealing box, and consequently a steel casting is heated unevenly is avoided, and meanwhile the steel casting can be monitored in real time; and the situation that workers need to manually detect the steel casting after annealing failure is avoided.

A crystal annealing apparatus and method are disclosed. The apparatus includes an annealing mechanism comprising a heating component forming an annealing chamber; a heat-preserving mechanism installed inside the annealing chamber, also having a heat-preserving chamber; a crucible body installed within the heat-preserving chamber; and a silicon carbide powder buffer filling the inner cavity of the crucible body, with multiple crystal accommodating spaces within it. The method involves filling the inner cavity of the crucible body with a silicon carbide powder buffer, and arranging multiple crystals spaced apart within the buffer; placing the crystal annealing apparatus carrying the crucible body in a crystal growth furnace; and annealing the crystal using a temperature gradient heating and staged differential rate cooling process to reduce internal thermal stress in the crystal. Simultaneously, the thermal stability and uniform thermal conductivity of silicon carbide powder buffer the thermal stress generated by temperature changes in the crystal. This invention effectively optimizes crystal stress, improves crystal quality, and effectively solves the technical problems of crystal cracking, stress superposition, high dislocation density, and insufficient purity.

The invention discloses vacuum atmosphere annealing equipment for optical glass lens production, and belongs to the technical field of glass product annealing, the vacuum atmosphere annealing equipment comprises a sliding table and a furnace body fixedly mounted in the middle of the upper end of the sliding table, and feeding structures mounted on the sliding table are arranged on the left side and the right side of the furnace body through first electric guide rails in a horizontal sliding mode; the left side and the right side of the furnace body are each provided with a feeding structure composed of a heat preservation sleeve and a material frame, during annealing work, one set of material frames containing glass lenses are pushed into the furnace body to be subjected to vacuum atmosphere heating treatment, after heating work is completed, the material frames are retreated into the heat preservation sleeves, and then the glass lenses are subjected to vacuum atmosphere heating treatment; in the process, gas in the furnace body flows into the heat preservation sleeve, follow-up heat preservation and cooling treatment are carried out under atmosphere protection, the quality of the annealed product is improved, when the furnace body is in an idle state, the other set of material frames are pushed into the furnace body, the two sets of material frames operate alternately, the space of the furnace body is not occupied by heat preservation and cooling treatment, and the annealing efficiency is effectively improved.

This invention provides a continuous annealing process for high-temperature aerospace tubing. The invention relates to the field of metal heat treatment technology and includes the following steps: S1, placing multiple metal pipes parallel to each other on the top of a shelf with the bend opening facing downwards; S2, moving an annealing trolley through the multiple metal pipes via a notch; S3, controlling a lifting and positioning device and an induction heating device via a drive device to move relative to the bend opening; first, controlling the lifting and positioning device to lift and position the bend opening, then controlling the induction heating device to automatically complete induction heating by passing through the bend along a predetermined trajectory. This invention significantly improves the standardization of annealing operations, increases annealing efficiency, and greatly improves the quality of the annealed product.

The utility model belongs to the technical field of battery production equipment, and particularly relates to an annealing furnace. The utility model provides an annealing system. The annealing system comprises a base; the annealing furnace is arranged on the base, and lifting type mechanical arms suitable for clamping a battery piece base material are arranged on the two sides of the annealing furnace; corresponding door bodies are arranged on the furnace walls of the two sides of the annealing furnace and driven by corresponding driving modules to be opened and closed. Wherein after the door body of the corresponding layer is opened, the lifting type mechanical arm extends into the annealing furnace from the door body position so as to take or place a battery piece base material; according to the utility model, the door bodies are arranged on the two sides of each layer of annealing box, and the driving module is used for controlling the opening and closing of the door bodies, so that the lifting type mechanical arm can respectively take or place materials from the two sides of the annealing furnace at the same time, the time for feeding and discharging materials during annealing is shortened, and the battery annealing efficiency is improved.

A non-ferrous metal local annealing equipment and control method, wherein the local annealing equipment comprises: a furnace body, wherein the furnace body is provided with a hot air circulation airway, a heater and a fan; the hot air circulation airway comprises an upper circulation airway, a lower circulation airway, a heating chamber and a fan chamber; the heater is arranged in the heating chamber, and the fan is arranged in the fan chamber; a container is arranged in the upper circulation airway and close to the furnace cover, and the container is a grille structure for airflow in and out; the furnace cover is covered on the furnace body, and is connected to the container through a height adjustment mechanism, and the furnace cover is provided with a plurality of jacks for passing the workpiece, and a part of the workpiece passes through the furnace cover into the container, and is locally annealed under the action of the heater and the fan. The present invention also includes a control method for a non-ferrous metal local annealing equipment. The present invention can ensure that the instrument temperature control accuracy reaches ±1°C, and the furnace temperature control accuracy reaches ±5°C; and air heating is adopted to avoid environmental pollution and quality problems such as spots that may exist after heating.

The invention belongs to the technical field of metal material machining, and relates to a locking mechanism for metal pipe annealing, an annealing tool and an annealing method. According to the locking mechanism, through the combined design of the neck bush, the lifting mechanism and the adjusting part, the adjusting part is driven by lifting of the lifting mechanism to extend outwards or retract back along the peripheral wall of the neck bush, so that the distance between the adjusting part and the inner wall of the metal pipe is adjusted, and the extending end of the lifting mechanism and the top of the neck bush are locked and fixed; therefore, the locking mechanism and the end of the metal pipe are fixed, it is further guaranteed that the metal pipe is not subjected to size deformation in the annealing process, the straightness and ovality of the pipe are improved, the heat treatment efficiency of the thin-wall metal pipe and the extremely-thin-wall metal pipe is improved, and the pipe yield is increased.