Heat treatment device for roller machining

By designing a heat treatment device for roll processing, the problem of temperature control for heat treatment of roll surface was solved, enabling stable transport, rapid cooling and uniform heating of rolls, improving processing quality and production efficiency, and extending equipment life.

CN223674702UActive Publication Date: 2025-12-16LIAONING HENGTONG METALLURGICAL EQUIP MFG CO LTD
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Patent Information

Application Number
CN202422094721.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-12-16
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

In the manufacturing process of rolls, existing technologies make it difficult to effectively control the heat treatment temperature of the roll surface, which affects the processing quality and performance.

Method used

A heat treatment device for rolling mill processing was designed, comprising a concave conveyor, a heating platform, an immersion cooling tank, a sealing structure, and a temperature control structure. The concave roller conveyor enables stable transport of the rolling mill, while the lifting immersion structure and stirring system facilitate rapid cooling. The magnetic drive and sealing structure enhance the system's stability and safety. A coiled inductive heater and an air pump are used to achieve efficient heating and airflow.

Benefits of technology

Ensuring the stability and precision of the roll transport process improves the efficiency and safety of heat treatment, enables rapid cooling and uniform heating of the rolls, enhances processing quality and production efficiency, and extends equipment life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat treatment device for roller machining, and relates to the technical field of roller machining. The heat treatment device comprises a pair of concave conveying tables, five concave roller type conveyors, a heating table, a concave soaking cooling box, a concave sleeving sealing block, a lifting soaking structure, a sealing structure and a temperature control structure. Through operation of the concave roller type conveyor on the concave conveying table, the horizontal stability and accuracy of rollers in the conveying process are guaranteed, and shaking and damage in the conveying process are avoided. The system is divided into three sections, namely a heating table, a concave sleeving sealing block and a concave soaking cooling box by utilizing a sealing structure, so that different working areas are effectively isolated, and the overall working efficiency and safety are improved; the lifting stretching driving machine, the gear set matched with the lifting stretching driving machine, the lifting limiting stretching shaft, the lifting rope and the like achieve accurate lifting control over the concave soaking support and the rollers on the concave soaking support, and convenience is provided for transferring and cooling of the rollers.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of roll processing technology, concretely to a heat treatment device for roll processing. BACKGROUND

[0002] Roll is the core component and tool on the rolling mill, and its main function is to make metal continuous plastic deformation. The structure of roll mainly consists of three parts: roll body, roll neck and shaft head. Among them, the roll body is the middle part of the roll, which directly participates in the rolling process of metal. With the development of production technology, the processing requirements of roll are increasingly improved, and the manufacturing materials of roll are no longer limited to single metal material, but are made of various composite materials to enhance its strength and wear resistance. In the manufacturing process of roll, heat treatment is a key operation on the surface of roll, which aims to give or improve its performance, improve its inherent quality and ensure the use effect of roll. In the specific production process, the surface heat treatment temperature of roll is a crucial factor, which directly affects the processing quality of the whole roll. In view of this, the above problems are studied in depth, and the case is generated. SUMMARY

[0003] In order to realize the above object, the utility model discloses a heat treatment device for roll processing, which comprises: a pair of concave conveying tables, five concave roller type conveyors, a heating table, a concave soaking cooling box, a concave sleeving sealing block, a lifting soaking structure, a sealing structure and a temperature control structure. The heating table is connected to the concave soaking cooling box. A pair of concave conveying tables are respectively connected to the heating table and the concave soaking cooling box. The lifting soaking structure is installed on the concave soaking cooling box and the concave sleeving sealing block. Five concave roller type conveyors are respectively installed on a pair of concave conveying tables, the lifting soaking structure and the concave sleeving sealing block. The sealing structure is installed on the concave sleeving sealing block. The temperature control structure is installed on the concave sleeving sealing block and the heating table.

[0004] The lifting soaking structure comprises: a concave soaking support, two pairs of lifting limiting shaft pipes, two pairs of lifting limiting shaft rods, a stretching block, two pairs of lifting ropes, a pair of lifting limiting stretching shafts, a lifting stretching gear set, a lifting stretching drive machine, four pairs of limiting rings, a plurality of stirring discs, a plurality of stirring blades, a plurality of stirring metal rods, a plurality of stirring drive discs, a plurality of stirring magnets, a plurality of stirring transmission shafts, a stirring gear set and a stirring drive machine.

[0005] Two pairs of the lifting limiting shaft pipes are parallel inserted on the concave sealing block, two pairs of the lifting limiting shaft rods are movably inserted in the inner sides of the two pairs of the lifting limiting shaft pipes, the concave soaking support is connected to the two pairs of the lifting limiting shaft rods, the stretching block is installed on the concave sealing block, a pair of the lifting limiting stretching shafts are parallel inserted on the stretching block, two pairs of the lifting ropes are installed on the pair of the lifting limiting stretching shafts, and the two pairs of the lifting ropes are connected to the two pairs of the lifting limiting shaft rods, the lifting stretching gear set is installed on the pair of the lifting limiting stretching shafts, the lifting stretching driving machine driving end is connected to the lifting stretching gear set, four pairs of the limiting rings are installed on the pair of the lifting limiting stretching shafts, a plurality of rotating ring grooves are formed in the concave soaking cooling box, a plurality of the stirring driving discs are inserted in the inner sides of the rotating ring grooves through bearings, a plurality of the stirring discs are inserted on the concave soaking support through bearings, a plurality of the stirring metal rods are evenly inserted in the inner sides of the rotating ring grooves, a plurality of the stirring magnets are installed on the stirring discs and the stirring driving discs, a plurality of the stirring blades are installed on the stirring discs, a plurality of the stirring transmission shafts are inserted on the stirring driving discs, the stirring gear set is installed on the stirring transmission shafts, and the stirring driving machine driving end is connected to the stirring gear set.

[0006] It needs to be explained that, in the above, the roll is stably transported by the operation of the concave roller type conveyor on the concave transportation table, and is first transported to between the machining table and the concave set sealing block. The concave set sealing block, the heating table and the concave soaking cooling box are sealed and separated into three sections by the sealing structure. The lifting and stretching drive machine is operated to drive the lifting and stretching gear set on the driving end of the lifting and stretching drive machine to rotate, drive a pair of lifting and stretching limit shafts thereon, drive two pairs of lifting ropes thereon through the two pairs of lifting and stretching limit shafts, and stably lift two pairs of lifting and stretching limit shaft tubes along the inner sides of the two pairs of lifting and stretching limit shaft tubes through the stretching of the two pairs of lifting ropes. The two pairs of lifting and stretching limit shafts stably lift the concave soaking supports thereon. The concave soaking supports stably lift the concave roller type conveyor thereon, so that the heated roll is transported to the concave roller type conveyor on the concave soaking support. The lifting and stretching drive machine is disconnected, so that the two pairs of lifting and stretching limit shafts stably lift along the inner sides of the two pairs of lifting and stretching limit shaft tubes, so that the roll inside the concave soaking support falls into the cooling oil inside the concave soaking cooling box, so as to achieve rapid cooling. At the same time, the stirring drive machine is operated to drive the stirring gear set on the driving end of the stirring drive machine to rotate, drive the stirring transmission shaft thereon, drive the stirring drive disc thereon, drive the plurality of stirring magnets thereon through the stirring drive disc, and transfer the magnetism of the stirring magnets on the stirring drive disc to the plurality of stirring magnets on the stirring disc through the plurality of stirring metal rods (using the principle that like poles repel and unlike poles attract, the repulsive force is converted into a pushing force. When the magnetic poles of two magnetic wheels are opposite, by rotating one magnetic wheel (driving wheel), the change of the magnetic pole position will use the attraction or repulsion of the adjacent unlike poles to push the other magnetic wheel (driven wheel) to rotate, so as to realize non-contact transmission of power). The plurality of stirring discs drive the stirring blades thereon, so as to achieve rapid drainage and stirring of the cooling oil inside the concave soaking cooling box.

[0007] Preferably, the sealing structure comprises two pairs of concave lifting sealing blocks, two pairs of convex lifting sealing blocks, two pairs of lifting sealing threaded rods, two pairs of lifting sealing threaded pipes, two pairs of lifting gear boxes, two pairs of lifting drive machines, four pairs of lifting limit shafts and four pairs of concave lifting limit blocks.

[0008] Two pairs of the concave lifting sealing blocks are inserted in parallel on the concave sealing block, two pairs of the convex lifting sealing blocks are movably inserted on the two pairs of the concave lifting sealing blocks, two pairs of the lifting sealing threaded pipes are inserted on the two pairs of the concave sealing block, two pairs of the lifting sealing threaded rods are movably inserted on the inner sides of the two pairs of the lifting sealing threaded pipes, two pairs of the lifting gear boxes are sleeved on the two pairs of the lifting sealing threaded pipes, two pairs of the lifting driving machine driving ends are connected on the two pairs of the lifting gear boxes, four pairs of the lifting limiting shafts are inserted on the two pairs of the concave lifting sealing blocks, and the four pairs of the lifting limiting shafts are movably inserted on the two pairs of the convex lifting sealing blocks, four pairs of the concave lifting limiting blocks are movably installed on the inner sides of the concave sealing block, and the four pairs of the concave lifting limiting blocks are sleeved on the two pairs of the convex lifting sealing blocks.

[0009] It should be noted that, in the above, the two pairs of lifting driving machines are operated to drive the lifting gear boxes on the two pairs of lifting driving machine driving ends to rotate, and drive the lifting sealing threaded pipes on the inner sides of the two pairs of lifting gear boxes to rotate, and drive the lifting sealing threaded rods on the inner sides of the two pairs of lifting sealing threaded pipes to rotate, and drive the convex lifting sealing blocks on the two pairs of lifting sealing threaded rods to move up and down, so that the convex lifting sealing blocks move up and down along the inner sides of the concave lifting sealing blocks, thereby achieving the lifting of the two pairs of convex lifting sealing blocks, and achieving the lifting sealing between the processing table, the concave sealing block and the concave soaking cooling box.

[0010] Preferably, the temperature control structure comprises a coiled inductive heater, three U-shaped drainage pipes and three air pumps.

[0011] The coiled inductive heater is installed on the concave sealing block and the heating table, the three U-shaped drainage pipes are inserted on the concave sealing block, and the three air pumps are connected to the three U-shaped drainage pipes.

[0012] It should be noted that, in the above, the coiled inductive heater is used to perform coiled inductive heating on the roller, and the three air pumps and the three U-shaped drainage pipes are used to generate rotating drainage air flow in the sealed space.

[0013] Preferably, the concave soaking cooling box is provided with a temperature sensor.

[0014] Preferably, the concave soaking cooling box is provided with a cooler.

[0015] Preferably, the concave sealing block is provided with a horn-shaped one-way valve.

[0016] Beneficial effects

[0017] The utility model provides a kind of heat treatment device for roll processing.It has the following beneficial effects: the heat treatment device for roll processing, by the operation of concave roller type conveyor on concave transport table, ensure the horizontal stability and accuracy of roll in the process of transportation, avoid shaking and damage in the process of transportation;The system is divided into heating table, concave set sealing block and concave soaking cooling box by using sealing structure, effectively isolates different working areas, improves overall working efficiency and safety;Lifting stretching drive machine and its matched gear set, lifting limit stretching shaft, lifting rope and other components, realize the accurate lifting control of concave soaking support and roll thereon, provide convenience for the transfer and cooling of roll;Roll is quickly dropped into cooling oil by lifting mechanism, realize rapid cooling, improve production efficiency.Meanwhile, the use of stirring system further speeds up the circulation and stirring of cooling oil, ensures the uniformity of cooling effect;Stirring system adopts magnetic drive, uses the principle that same sex is attracted and opposite sex is repelled, realizes the non-contact transmission of power, reduces mechanical wear, improves the stability and service life of system;The use of two pairs of lifting drive machines and four pairs of concave lifting limit blocks ensures the lifting sealing between processing table, concave set sealing block and concave soaking cooling box, realizes the stable limiting of convex lifting sealing block, guarantees the sealing and safety of system;Coiled inductive heater provides efficient heating mode for roll, and the cooperation of three air pumps and U-shaped drainage pipe realizes the rotating drainage airflow in sealed space, helps temperature uniform distribution and gas circulation, improves heating effect and working environment quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the front view cross section schematic diagram of the heat treatment device for roll processing of the utility model.

[0019] Fig. 2 It is the top view cross section schematic diagram of the heat treatment device for roll processing of the utility model.

[0020] In the drawing: 1, concave transport table;2, concave roller type conveyor;3, heating table;4, concave soaking cooling box;5, concave set sealing block;6, concave soaking support;7, lifting limit shaft pipe;8, lifting limit shaft rod;9, stretching backshaped block;10, lifting limit stretching shaft;11, limit ring;12, stirring disc;13, stirring vane;14, stirring metal rod;15, stirring drive disc;16, stirring magnet;17, stirring transmission shaft;18, stirring gear set;19, stirring drive machine;20, concave lifting sealing block;21, convex lifting sealing block;22, lifting sealing threaded rod;23, lifting sealing threaded pipe;24, lifting gear box;25, lifting drive machine. DETAILED DESCRIPTION

[0021] All other embodiments obtained by those skilled in the art on the basis of the embodiments of the utility model and without creative labor belong to the scope of protection of the utility model.

[0022] Through the skilled in the art, all electrical components in the case and its adaptation power supply is connected by wire, and should be according to the actual situation, select the appropriate controller and encoder to meet the control requirements, the specific connection and control sequence, should refer to the following working principle, the order of work between electrical components complete electrical connection, its detailed connection means, for the art known technology, the following mainly introduces the working principle and process, no longer to the electrical control do description.

[0023] Embodiment

[0024] The utility model will be specifically described below in combination with the drawings, such as Figs. 1-2As shown, the heating table 3 is connected to the concave immersion cooling box 4, a pair of the concave transportation tables 1 are respectively connected to the heating table 3 and the concave immersion cooling box 4, the lifting immersion structure is installed on the concave immersion cooling box 4 and the concave set sealing block 5, five concave roller type transporters 2 are respectively installed on a pair of the concave transportation tables 1, the lifting immersion structure and the concave set sealing block 5, the sealing structure is installed on the concave set sealing block 5, the temperature control structure is installed on the concave set sealing block 5 and the heating table 3; the lifting immersion structure comprises: a concave immersion support, two pairs of lifting limiting shaft pipes 7, two pairs of lifting limiting shaft rods 8, a stretching back-shaped block 9, two pairs of lifting ropes, a pair of lifting limiting stretching shafts 10, a lifting stretching gear set, a lifting stretching drive machine, four pairs of limiting circular rings 11, a plurality of stirring discs 12, a plurality of stirring blades 13, a plurality of stirring metal rods 14, a plurality of stirring drive discs 15, a plurality of stirring magnets 16, a plurality of stirring transmission shafts 17, a stirring gear set 18 and a stirring drive machine 19; two pairs of the lifting limiting shaft pipes 7 are parallelly inserted on the concave set sealing block 5, two pairs of the lifting limiting shaft rods 8 are movably inserted on the inner sides of the two pairs of the lifting limiting shaft pipes 7, the concave immersion support is connected to the two pairs of the lifting limiting shaft rods 8, the stretching back-shaped block 9 is installed on the concave set sealing block 5, a pair of the lifting limiting stretching shafts 10 are parallelly inserted on the stretching back-shaped block 9, two pairs of the lifting ropes are respectively installed on a pair of the lifting limiting stretching shafts 10, and the two pairs of the lifting ropes are respectively connected to the two pairs of the lifting limiting shaft rods 8, the lifting stretching gear set is installed on a pair of the lifting limiting stretching shafts 10, the lifting stretching drive machine drive end is connected to the lifting stretching gear set, four pairs of the limiting circular rings 11 are respectively installed on a pair of the lifting limiting stretching shafts 10, a plurality of rotating circular ring grooves are formed on the concave immersion cooling box 4, a plurality of the stirring drive discs 15 are inserted on the inner sides of a plurality of the rotating circular ring grooves through bearings, a plurality of the stirring discs 12 are inserted on the concave immersion support through bearings, a plurality of the stirring metal rods 14 are evenly inserted on the inner sides of a plurality of the rotating circular ring grooves, a plurality of the stirring magnets 16 are respectively installed on a plurality of the stirring discs 12 and a plurality of the stirring drive discs 15, a plurality of the stirring blades 13 are respectively installed on a plurality of the stirring discs 12, a plurality of the stirring transmission shafts 17 are respectively inserted on a plurality of the stirring drive discs 15, the stirring gear set 18 is installed on the stirring transmission shaft 17, and the stirring drive machine 19 drive end is connected to the stirring gear set 18; the sealing structure comprises: two pairs of concave lifting sealing blocks, two pairs of convex lifting sealing blocks, two pairs of lifting sealing threaded rods, two pairs of lifting sealing threaded pipes, two pairs of lifting gear boxes, two pairs of lifting drive machines, four pairs of lifting limiting shafts and four pairs of concave lifting limiting blocks.Two pairs of the concave lifting sealing blocks are inserted on the concave sealing block 5 in parallel, two pairs of the convex lifting sealing blocks are movably inserted on the two pairs of the concave lifting sealing blocks respectively, two pairs of the lifting sealing threaded pipes are inserted on the two pairs of the concave sealing block 5 respectively, two pairs of the lifting sealing threaded rods are movably inserted on the inner sides of the two pairs of the lifting sealing threaded pipes respectively, two pairs of the lifting gear boxes are sleeved on the two pairs of the lifting sealing threaded pipes respectively, two pairs of the lifting driving machine driving ends are connected on the two pairs of the lifting gear boxes respectively, four pairs of the lifting limiting shafts are inserted on the two pairs of the concave lifting sealing blocks respectively and movably inserted on the two pairs of the convex lifting sealing blocks respectively, four pairs of the concave lifting limiting blocks are oppositely and parallelly installed on the inner sides of the concave sealing block 5 and sleeved on the two pairs of the convex lifting sealing blocks respectively; the temperature control structure comprises a coiled inductive heater, three U-shaped drainage pipes and three air pumps; the coiled inductive heater is installed on the concave sealing block 5 and the heating table 3, the three U-shaped drainage pipes are inserted on the concave sealing block 5, and the three air pumps are connected on the three U-shaped drainage pipes respectively; the concave soaking cooling box 4 is provided with a temperature sensor; the concave soaking cooling box 4 is provided with a cooler; and the concave sealing block 5 is provided with a horn-shaped one-way sheet.

[0025] According to the drawings Figs. 1-2Draw, through the concave type transport platform 1 on the concave roller type transport 2 operation, will be stable horizontal transport of roll, first will be transported to the processing platform between the concave type set sealing block 5, through the sealing structure will be sealed into three sections of concave type set sealing block 5, heating table 3 and concave type soaking cooling tank 4, through the lifting stretching drive machine operation, drive end of the lifting stretching drive machine drive gear group operation, drive gear group drive a pair of lifting limit stretching shaft 10 rotation, through a pair of lifting limit stretching shaft 10 respectively drive its on two pairs of lifting rope, through the stretching of two pairs of lifting rope, the two pairs of lifting limit shaft tube 7 respectively along the two pairs of lifting limit shaft tube 7 inside stable lifting, will be driven by two pairs of lifting limit shaft rod 8 respectively on the concave type soaking support stable lifting, through the concave type soaking support drive its on the concave roller type transport 2 stable lifting, so as to transport the heated roll on the concave roller type transport 2 on the concave type soaking support, through the lifting stretching drive machine disconnect, so that the two pairs of lifting limit shaft rod 8 along the two pairs of lifting limit shaft tube 7 inside stable lifting, so as to fall into the concave type soaking cooling tank 4 inside the cooling oil of the roll in the concave type soaking support inside, so as to achieve rapid cooling, at the same time through the stirring drive machine 19 operation, drive end of the stirring gear group 18 operation of stirring drive machine 19, through the stirring gear group 18 drive its on the stirring transmission shaft 17 rotation, through the stirring transmission shaft 17 drive its on the stirring drive disc 15, through the stirring drive disc 15 drive its on the several stirring magnet 16, through several stirring metal rod 14 will be transmitted to the stirring drive disc 15 on the stirring magnet 16 on the stirring magnet 16 on the stirring disc 12 (utilizing the principle of magnetic same sex attraction, opposite sex repulsion, will repulsive force into the driving force.When the magnetic poles of the two magnetic wheels are opposite, the change of the magnetic pole position of one magnetic wheel (the driving wheel) by rotating it will push the other magnetic wheel (the driven wheel) to rotate by the attraction or repulsion of the adjacent opposite magnetic poles, thereby achieving non-contact transmission of power, so as to drive the stirring discs 12 and the stirring blades 13 on them to rotate, thereby achieving rapid drainage and stirring of the cooling oil inside the concave immersion cooling tank 4; through the operation of the two pairs of lifting driving machines, the lifting gear boxes on the driving ends of the two pairs of lifting driving machines are driven to operate, the lifting sealing threaded pipes inside the two pairs of lifting gear boxes are driven to rotate, the lifting sealing threaded rods inside the two pairs of lifting sealing threaded pipes are driven through the two pairs of lifting sealing threaded pipes, the convex lifting sealing blocks on the two pairs of lifting sealing threaded rods are driven through the two pairs of lifting sealing threaded rods, and the convex lifting sealing blocks are stably lifted along the inside of the concave lifting sealing blocks, so that the lifting of the two pairs of convex lifting sealing blocks is achieved, thereby achieving the lifting sealing between the processing table, the concave sleeving sealing block 5 and the concave immersion cooling tank 4, and the convex lifting sealing blocks are limited by the four pairs of concave lifting limiting blocks; the rolling mill is heated by the coiled inductive heater, and the sealing space is rotated and drained by the cooperation of the three air pumps and the three U-shaped drainage pipes.

[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A heat treatment apparatus for rolling mill roll processing, comprising: A pair of concave transport platforms, five concave roller transporters, a heating platform, a concave immersion cooling tank, a concave fitted sealing block, a lifting immersion structure, a sealing structure, and a temperature control structure are characterized in that: the heating platform is connected to the concave immersion cooling tank; the pair of concave transport platforms are respectively connected to the heating platform and the concave immersion cooling tank; the lifting immersion structure is installed on the concave immersion cooling tank and the concave fitted sealing block; the five concave roller transporters are respectively installed on the pair of concave transport platforms, the lifting immersion structure, and the concave fitted sealing block; the sealing structure is installed on the concave fitted sealing block; and the temperature control structure is installed on the concave fitted sealing block and the heating platform. The lifting and soaking structure includes: a concave soaking bracket, two pairs of lifting and limiting shaft tubes, two pairs of lifting and limiting shaft rods, a stretching loop block, two pairs of lifting ropes, one pair of lifting and limiting stretching shafts, a lifting and stretching gear set, a lifting and stretching drive motor, four pairs of limiting rings, several stirring discs, several stirring blades, several stirring metal rods, several stirring drive discs, several stirring magnets, several stirring transmission shafts, stirring gear set, and stirring drive motor; Two pairs of lifting and limiting shaft tubes are inserted parallel to each other onto the concave sleeve sealing block. Two pairs of lifting and limiting shaft rods are respectively movably inserted into the inner sides of the two pairs of lifting and limiting shaft tubes. The concave soaking bracket is connected to the two pairs of lifting and limiting shaft rods. The stretching ring block is installed on the concave sleeve sealing block. A pair of lifting and limiting stretching shafts are inserted parallel to each other onto the stretching ring block. Two pairs of lifting ropes are respectively installed on a pair of lifting and limiting stretching shafts, and the two pairs of lifting ropes are respectively connected to the two pairs of lifting and limiting shaft rods. The lifting and stretching gear set is installed on a pair of lifting and limiting stretching shafts. The driving end of the lifting and stretching drive motor is connected to the lifting and stretching gear set. Four pairs of limiting rings are respectively installed on a pair of lifting and limiting shafts. On the stretching shaft, the concave immersion cooling tank is provided with several rotating annular grooves. Several stirring drive discs are respectively inserted into the inner side of the several rotating annular grooves through bearings. Several stirring discs are inserted into the concave immersion support through bearings. Several stirring metal rods are respectively evenly inserted into the inner side of the several rotating annular grooves. Several stirring magnets are respectively installed on the several stirring discs and the several stirring drive discs. Several stirring blades are respectively installed on the several stirring discs. Several stirring transmission shafts are respectively inserted into the several stirring drive discs. The stirring gear set is installed on the stirring transmission shaft. The driving end of the stirring drive is connected to the stirring gear set.

2. The heat treatment apparatus for rolling mill processing according to claim 1, characterized in that, The sealing structure includes: two pairs of concave lifting sealing blocks, two pairs of convex lifting sealing blocks, two pairs of lifting sealing threaded rods, two pairs of lifting sealing threaded pipes, two pairs of lifting gearboxes, two pairs of lifting drive motors, four pairs of lifting limit shafts, and four pairs of concave lifting limit blocks. Two pairs of concave lifting sealing blocks are inserted parallel to each other on the concave sleeve sealing blocks. Two pairs of convex lifting sealing blocks are movably inserted on the two pairs of concave lifting sealing blocks. Two pairs of lifting sealing threaded tubes are inserted on the two pairs of concave sleeve sealing blocks. Two pairs of lifting sealing threaded rods are movably inserted on the inner side of the two pairs of lifting sealing threaded tubes. Two pairs of lifting gearboxes are respectively fitted on the two pairs of lifting sealing threaded tubes. The driving ends of two pairs of lifting drive motors are respectively connected to the two pairs of lifting gearboxes. Four pairs of lifting limit shafts are inserted on the two pairs of concave lifting sealing blocks, and the four pairs of lifting limit shafts are movably inserted on the two pairs of convex lifting sealing blocks. Four pairs of concave lifting limit blocks are respectively installed parallel to each other on the inner side of the concave sleeve sealing blocks, and the four pairs of concave lifting limit blocks are respectively fitted on the two pairs of convex lifting sealing blocks.

3. The heat treatment apparatus for rolling mill processing according to claim 2, characterized in that, The temperature control structure includes: a coiled inductive heater, three U-shaped drain tubes, and three air pumps; The coiled inductive heater is installed on the concave sleeve sealing block and the heating platform, the three U-shaped drain tubes are inserted into the concave sleeve sealing block, and the three air pumps are respectively connected to the three U-shaped drain tubes.

4. The heat treatment apparatus for rolling mill processing according to claim 3, characterized in that, A temperature sensor is installed on the concave immersion cooling tank.

5. The heat treatment apparatus for rolling mill processing according to claim 4, characterized in that, The concave immersion cooling tank is equipped with a cooler.

6. The heat treatment apparatus for rolling mill processing according to claim 5, characterized in that, The concave-shaped sealing block is equipped with a horn-shaped one-way plate.