A device for ingot homogenization heat treatment

Abstract

The application belongs to the technical field of heat treatment, and specifically discloses a kind of ingot homogenization heat treatment device, including furnace body, table track, control box and annealing trolley, the table track is connected with the lower part of furnace body outer wall, the refractory sealing door is respectively installed in the both sides of furnace body front end, the control box is fixedly installed in one side of furnace body outer wall, the table track is connected with pressure seat by the push mechanism in one end upper part, the pressure seat upper surface is provided with guide seat, the annealing trolley is the trolley with brake mechanism, the annealing trolley is located in the upper surface of guide seat, the guide seat is jointly connected with rail frame by the telescopic drive mechanism of outer wall two sides, the rail frame is respectively connected with two groups of electromagnetic chucking mechanism by the sliding mechanism arranged in the inside, the upper surface of annealing trolley is respectively slidably installed with multiple sets of swing plate, the application realizes the automatic, accurate adjustment of ingot spacing, greatly improves the safety, efficiency and automation level of discharging operation.

Description

Technical Field

[0001] This invention belongs to the field of heat treatment technology, and specifically discloses a heat treatment device for homogenizing ingots. Background Technology

[0002] In the field of metal processing, homogenization heat treatment of ingots is a key process for improving their internal structure, eliminating component segregation, reducing residual stress, and thus enhancing subsequent processing performance. This process typically involves heating the ingot to a specific temperature and holding it at that temperature for a sufficient time to allow alloying elements to diffuse fully, thereby achieving a homogenized structure. In actual production, the widely used process equipment often consists of a periodically operating annealing furnace and a matching benchtop annealing train. After the ingots are placed side-by-side on the annealing train, they are pushed as a whole into the annealing furnace for a long-term annealing treatment.

[0003] However, existing technical solutions have significant drawbacks in practical applications. Due to the platform design and space limitations of the annealing machine, ingot blocks are usually arranged closely together and in contact with each other to maximize the single-furnace throughput. This arrangement easily leads to adhesion or deformation of adjacent ingot surfaces after high-temperature annealing, causing the natural gaps between ingots to disappear. When unloading is required after processing, lifting tools or hydraulic clamps have difficulty accurately capturing and inserting into the lifting holes or clamping parts of individual ingots, seriously affecting the smoothness and safety of the unloading operation.

[0004] This problem is particularly pronounced in high-temperature environments. The ingots are extremely hot after exiting the furnace, with intense radiant heat. Even with heavy protective clothing and simple tools like hooks, workers still struggle to safely and efficiently approach and adjust the ingot's position for hoisting. This not only significantly increases the workers' workload and the risk of heat radiation injury, but also leads to ineffective temperature drops in the ingots due to prolonged unloading time, potentially affecting the stability of the heat treatment process curve and even damaging the ingot surface due to repeated hoisting attempts. Therefore, the existing loading and unloading method centered on the return train has become a bottleneck restricting the efficiency of homogenized heat treatment of ingots, operational safety, and the level of process automation. An innovative heat treatment device that can fundamentally solve the problems of ingot positioning, separation, and efficient transfer is urgently needed. Summary of the Invention

[0005] The purpose of this invention is to solve the problems existing in the background art by proposing a heat treatment device for homogenizing ingots, including a furnace body, a platform track, a control box, and an annealing trolley. The platform track is connected to the lower part of the outer wall of the furnace body. Fire-resistant sealing doors are installed on both sides of the front end of the furnace body. The control box is fixedly installed on one side of the outer wall of the furnace body. The platform track is connected to a pressure seat through a pushing mechanism at one end. A guide seat is provided on the upper surface of the pressure seat. The annealing trolley is a trolley with a braking mechanism. The annealing trolley is located on the upper surface of the guide seat. The guide seat is connected to a rail frame through telescopic drive mechanisms on both sides of the outer wall. The rail frame is connected to two sets of electromagnetic clamping mechanisms through an internal sliding mechanism. Multiple sets of swing plates are slidably installed on the upper surface of the annealing trolley, and each set of swing plates is provided with a locking component that cooperates with the electromagnetic clamping mechanism on the outer wall near one end of the rail frame.

[0006] In the above technical solution, the pushing mechanism further includes multiple telescopic hydraulic columns disposed on both sides inside the tabletop track. The telescopic ends of the two multiple telescopic hydraulic columns are connected to the outer wall of the guide seat. Guide rods are fixedly installed on both sides of the outer wall of the guide seat and on the side close to the multiple telescopic hydraulic columns. The two guide rods are slidably connected to one end inside the tabletop track.

[0007] In the above technical solution, the telescopic drive mechanism further includes a mounting base fixedly installed on one side of the outer wall of the guide seat. A hydraulic rod is provided at one end inside the mounting base. The telescopic end of the hydraulic rod is connected to the outer wall of the rail frame. Hanging rings are fixedly installed on both sides of one end of the guide seat.

[0008] In the above technical solution, the sliding mechanism further includes a motor fixedly installed on the outer wall of one end of the rail frame, a lead screw fixedly installed at the output end of the motor, and the end of the lead screw away from the motor rotatably engaging with the inside of the rail frame.

[0009] In the above technical solution, the electromagnetic clamping mechanism further includes a slide rod, which is threaded to a lead screw through a threaded hole at its lower interior. The two sets of threaded holes inside the slide rod are arranged in opposite directions. The slide rod slides against the upper surface of the rail frame on the side away from the lead screw. A clamping rod is fixedly installed above the slide rod. An electric control sensor is electrically installed on the outer side of the clamping rod. An electric control device is fixedly installed at the end of the clamping rod.

[0010] In the above technical solution, the electrical control unit further includes an electromagnet housing, a guide rod is slidably mounted inside the electromagnet housing, a permanent magnet guide block is fixedly installed at the lower end of the guide rod, and a coil spring is sleeved on the outside of the guide rod.

[0011] In the above technical solution, the locking component further includes a fixing block fixedly installed on the outer wall of one end of the swing plate, a locking post fixedly installed on the outer wall of the fixing block, a locking groove adapted to the locking of the permanent magnet guide block is opened inside the upper part of the locking post, and a rolling ball is embedded in the front end of the locking post.

[0012] In the above technical solution, a retaining case is fixedly installed at one corner of the annealing trolley. A drive shaft is rotatably installed inside the retaining case. A gear is fixedly sleeved on the upper part of the drive shaft. A scraper is rotatably sleeved on the lower part of the drive shaft. An insertion hole is opened at the end of the scraper away from the drive shaft. A through hole is opened on the upper surface of one side of the annealing trolley near the drive shaft. A pin is movably inserted inside both the through hole and the retaining hole. A rack is embedded inside the slide rod near the motor. The rack is located on the meshing surface of the gear.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. This invention, through a laterally movable rail frame and its electromagnetic clamping mechanism, in conjunction with sliding plates on the annealing trolley, can automatically and precisely drive each plate to separate the ingot after heat treatment, forming a stable and consistent lifting gap. Thus, after heat treatment, the electromagnetic clamping and sliding drive precisely separate the plates, creating a gap between the ingots. This provides clear operating space for clamping or hydraulic clamping, eliminating the need for close-range manual adjustment. It fundamentally solves the problem of difficult positioning during unloading, avoiding the high-risk and arduous manual adjustment work performed by workers in high-temperature radiation environments, significantly reducing occupational safety risks, and making the unloading process fast and smooth.

[0015] 2. The electromagnetic clamping mechanism integrates a permanent magnet guide block and an electromagnetic coil. When needed, the power can be cut off to utilize the permanent magnet attraction force to achieve reliable self-locking, ensuring stable clamping between the permanent magnet guide block and the slot; when the spacing needs to be adjusted, the power is applied to generate a reverse magnetic field to counteract the permanent magnet force, easily releasing the lock for movement.

[0016] 3. The device, through a pushing mechanism composed of multiple telescopic hydraulic columns, can smoothly feed the annealing trolley carrying the ingot into or out of the furnace, achieving a high degree of automation. In particular, the linkage design, where the sliding rod moves to drive the rack, which in turn drives the gears and scrapers to rotate, allows for the cleaning of oxide scale and other loose materials from the annealing trolley surface during or after the ingot is separated by the moving swing plate. This keeps the working area clean, facilitating subsequent operations and reducing additional maintenance work. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is another schematic diagram of the overall structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the connection structure between the telescopic drive mechanism and the guide seat of the present invention;

[0020] Figure 4 This is a schematic diagram of the connection structure between the guide seat and the hydraulic rod of the present invention;

[0021] Figure 5 This is a schematic diagram of the connection structure between the annealing trolley and the shelving plate of the present invention;

[0022] Figure 6 This is a schematic diagram of the scraper in use according to the present invention;

[0023] Figure 7 For the present invention Figure 1 Enlarged structural diagram at point A in the middle;

[0024] Figure 8 For the present invention Figure 5 Enlarged structural diagram at point B.

[0025] In the diagram: 1. Furnace body; 2. Tabletop rail; 3. Control box; 4. Fire-resistant sealed door; 5. Annealing trolley; 6. Multi-section telescopic hydraulic column; 7. Guide rod; 8. Pressure bearing seat; 9. Motor; 10. Rail frame; 11. Slide rod; 12. Electrical control sensor; 13. Hydraulic rod; 14. Guide seat; 15. Scraper; 16. Lead screw; 17. Locking post; 18. Locking rod; 19. Swing plate; 20. Rack; 21. Electromagnet housing; 22. Mounting base; 23. Permanent magnet guide block; 24. Slot; 25. Rolling ball; 26. Pin; 27. Gear; 28. Locking case; 29. ​​Drive shaft; 30. Insertion hole; 31. Fixing block; 32. Hanging ring. Detailed Implementation

[0026] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the invention is not limited to the specific embodiments disclosed below.

[0028] like Figures 1-8The device for homogenizing heat treatment of ingots shown includes a furnace body 1, a table rail 2, a control box 3, and an annealing trolley 5. The table rail 2 is connected to the lower part of the outer wall of the furnace body 1. Fire-resistant sealing doors 4 are installed on both sides of the front end of the furnace body 1. The control box 3 is fixedly installed on one side of the outer wall of the furnace body 1. The table rail 2 is connected to a pressure seat 8 through a pushing mechanism at one end. A guide seat 14 is provided on the upper surface of the pressure seat 8. The annealing trolley 5 is a trolley with a braking mechanism. The annealing trolley 5 is located on the upper surface of the guide seat 14. The guide seat 14 is connected to a rail frame 10 through telescopic drive mechanisms on both sides of the outer wall. The rail frame 10 is connected to two sets of electromagnetic clamping mechanisms through an internal sliding mechanism. Multiple sets of swing plates 19 are slidably installed on the upper surface of the annealing trolley 5. Each set of swing plates 19 is provided with a locking component that cooperates with the electromagnetic clamping mechanism on the outer wall of one end of the rail frame 10.

[0029] In this embodiment, during operation, the annealing trolley 5, carrying closely arranged ingots, is pushed into the furnace body 1 for homogenization annealing. After processing, when the annealing trolley 5 is pulled out and stops at the guide seat 14, the multi-section drive mechanism moves the guide seat 14 away from the furnace body 1. At this time, the hydraulic rod 13 pushes the rail frame 10 to one side of the annealing trolley 5, and the motor 9 drives the lead screw 16 to move the electromagnetic clamping mechanism to the position corresponding to the locking member on the designated swing plate 19. The electromagnetic clamping mechanism activates and locks the locking member. Subsequently, the hydraulic rod 13 extends and retracts, allowing the swing plate 19 to slide on the annealing trolley 5 surface through the locked locking member, thereby separating the ingots into a preset, uniform gap so that the lifting device can lift them safely and efficiently.

[0030] The pushing mechanism includes a multi-section telescopic hydraulic column 6 set on both sides inside the tabletop track 2. The telescopic ends of the two multi-section telescopic hydraulic columns 6 are connected to the outer wall of the guide seat 14. Guide rods 7 are fixedly installed on both sides of the outer wall of the guide seat 14 and on the side close to the multi-section telescopic hydraulic column 6. The two guide rods 7 are slidably connected to one end inside the tabletop track 2.

[0031] In this embodiment, when the annealing trolley 5 carrying the ingot needs to be sent into or pulled out of the furnace, the control box 3 controls the multi-section telescopic hydraulic column 6 to extend or retract synchronously. The thrust of the multi-section telescopic hydraulic column 6 is connected through the guide seat 14 to realize the linear movement of the annealing trolley 5 relative to the furnace body 1. The guide rod 7 bears possible lateral forces throughout the process to ensure that the annealing trolley 5 moves accurately and does not jam.

[0032] Power is provided by a multi-section telescopic hydraulic column 6, which has a large thrust and long stroke, meeting the requirements for smoothly pushing the annealing trolley 5 into the deep and long furnace. The addition of the guide rod 7 significantly improves the stability and positioning accuracy of the pushing process, prevents the annealing trolley 5 from deviating on the track, and ensures the stability of the furnace door seal and the temperature field inside the furnace during the heat treatment process.

[0033] The telescopic drive mechanism includes a mounting base 22 fixedly installed on one side of the outer wall of the guide seat 14. A hydraulic rod 13 is provided at one end inside the mounting base 22. The telescopic end of the hydraulic rod 13 is connected to the outer wall of the rail frame 10. Hanging rings 32 are fixedly installed on both sides of one end of the guide seat 14.

[0034] In this embodiment, after the annealing trolley 5 completes heat treatment and is positioned, the control box 3 controls the hydraulic rod 13 to extend, pushing the entire rail frame 10 and its electromagnetic clamping mechanism horizontally to the side of the annealing trolley 5, aligning the clamping mechanism with the swing plate 19 on the trolley. After the ingot spacing adjustment is completed, the hydraulic rod 13 retracts, pulling the rail frame 10 back to its initial position, making room for the hoisting operation.

[0035] The sliding mechanism includes a motor 9 fixedly installed on the outer wall of one end of the rail frame 10. A lead screw 16 is fixedly installed at the output end of the motor 9. The end of the lead screw 16 away from the motor 9 rotates with the inside of the rail frame 10.

[0036] The electromagnetic clamping mechanism includes a slide rod 11. The slide rod 11 is threaded to the lead screw 16 through a threaded hole at its lower interior. The two sets of internal threaded holes of the slide rod 11 are arranged in opposite directions. The slide rod 11 slides against the upper surface of the rail frame 10 on the side away from the lead screw 16. A clamping rod 18 is fixedly installed on the upper part of the slide rod 11. An electric control sensor 12 is electrically installed on the outer side of the clamping rod 18. An electric control device is fixedly installed at the end of the clamping rod 18.

[0037] In this embodiment, after the motor 9 is started, it drives the lead screw 16 to rotate. The slide rod 11, which is engaged with the lead screw 16 through a threaded hole, will move axially on the rotating lead screw 16, thereby driving the entire electromagnetic clamping mechanism mounted on the slide rod 11 to move precisely along the length of the rail frame 10, so as to realize the positioning and gripping of the swing plate 19 at different positions.

[0038] The electrical control unit includes an electromagnet housing 21, a guide rod is slidably mounted inside the electromagnet housing 21, a permanent magnet guide block 23 is fixedly installed at the lower end of the guide rod, and a coil spring is fitted outside the guide rod.

[0039] In this embodiment, the slide bar 11 moves under the drive of the lead screw 16, causing the locking rod 18 and the electrical control component to approach the target locking component. The electrical control sensor 12 provides real-time feedback of position information. When the electrical control component successfully docks with and locks the locking component, the sensor sends a signal, and the hydraulic rod 13 can then drive the swing plate 19 to slide after locking.

[0040] It should be noted that the self-locking mechanism (power-off state) is as follows: When the permanent magnet guide block 23 falls into the slot 24 of the locking component under mechanical guidance, the device is powered off. At this time, the permanent magnet guide block 23 relies on its own strong magnetic force to firmly attract the magnetic material of the slot 24, achieving self-locking without power loss. The locking force is large and does not consume electrical energy.

[0041] Locking (Electrified State): The coil inside the electromagnet housing 21 is energized, generating an electromagnetic field opposite in direction to the magnetic field of the permanent magnet. This electromagnetic field cancels out the attraction of the permanent magnet to the slot 24. With the assistance of the internal coil spring, the permanent magnet guide block 23 is able to disengage from the slot 24, achieving energized locking.

[0042] The power supply for the electromagnet housing 21 is provided by the control box 3. The control box 3 is equipped with a DC power module and a PLC controller. The electromagnet housing 21 is also equipped with an electromagnetic coil and high-temperature resistant terminals. The external connecting wires are made of high-temperature resistant and aging-resistant insulated cables. To ensure the use of the electromagnetic components, the above is the existing technology and will not be described in detail.

[0043] The locking component includes a fixing block 31 fixedly installed on the outer wall of one end of the swing plate 19. A locking post 17 is fixedly installed on the outer wall of the fixing block 31. A locking groove 24 adapted to the locking of the permanent magnet guide block 23 is opened in the upper part of the locking post 17. A rolling ball 25 is embedded in the front end of the locking post 17.

[0044] In this embodiment, when the electronic control moves toward the locking post 17, the lower end face of the permanent magnet guide block 23 first contacts the rolling ball 25. During continuous movement, the rolling ball 25 rolls, guiding the head of the permanent magnet guide block 23 to slide upwards and finally precisely align with the entrance of the slot 24. Once aligned, under the combined action of spring pressure and permanent magnet attraction, the permanent magnet guide block 23 quickly and accurately falls into and locks itself in the slot 24.

[0045] A retainer 28 is fixedly installed at one corner of the annealing trolley 5. A drive shaft 29 is rotatably installed inside the retainer 28. A gear 27 is fixedly sleeved on the upper part of the drive shaft 29. A scraper 15 is rotatably sleeved on the lower part of the drive shaft 29. An insertion hole 30 is opened at the end of the scraper 15 away from the drive shaft 29. A through hole is opened on the upper surface of one side of the annealing trolley 5 and at the end close to the drive shaft 29. A pin 26 is movably inserted into both the through hole and the insertion hole 30. A rack 20 is embedded in the slide rod 11 on the side close to the motor 9. The rack 20 is located on the meshing surface of the gear 27.

[0046] In this embodiment, after the ingot is hoisted, the slide bar 11 moves while performing the ingot separation action, and its embedded rack 20 moves synchronously. The rack 20 drives the gear 27 meshing with it to rotate. At this time, it is necessary to ensure that the pin 26 has been pulled out, then the drive shaft 29 will drive the scraper 15 to rotate, and the edge of the scraper 15 will abut against one side of the inner wall of the annealing trolley 5. Then, by removing each set of swing plates 19, the stubborn oxide impurities are scraped off by rigid scraping.

[0047] It should be noted that when the rack 20 moves to the rear gear 27 and meshes with it, the permanent magnet guide block 23 is in an energized state. Therefore, it will not contact the locking post 17 during the movement of the rail frame 10. At the same time, the scraper 15 is designed to scrape off the oxides that are stubbornly adhered after cooling.

[0048] Working principle: The annealing trolley 5, loaded with the ingots to be processed, is pushed onto the guide seat 14, and its braking mechanism is engaged. At this time, the rail frame 10 retracts to its initial position away from the trolley via the hydraulic rod 13. The operator starts the device through the control box 3;

[0049] The control box 3 controls the opening of the refractory sealing door 4. At the same time, the multi-section telescopic hydraulic column 6 installed inside the table rail 2 is activated, pushing the pressure seat 8 and guide seat 14 to move smoothly towards the furnace inlet along the guide direction of the guide rod 7 until the annealing trolley 5 is accurately aligned in front of the furnace rail. The operator pushes the annealing trolley 5 into the furnace body 1 by holding the pull rod attached to the hanging ring 32. Then, all mechanisms are reset, the refractory sealing door 4 is closed, and the preset homogenization annealing heat treatment work begins.

[0050] After the annealing work is completed, open the refractory sealing door 4, extend and retract the multi-section telescopic hydraulic column 6 again, push the guide seat 14 to the discharge position outside the furnace body 1, and the staff will use the pull rod to hang it inside the hanging ring 32 again to pull the annealing trolley 5 back into the guide seat 14. Then the braking mechanism will be activated again to fix the position.

[0051] Driven by the hydraulic rod 13, the main structure of the rail frame 10 moves towards the locking post 17. Simultaneously, the output end of the motor 9 drives the lead screw 16 to rotate inside the rail frame 10. Since the sliding rod 11 is threadedly engaged with the lead screw 16 and slides against the upper surface of the rail frame 10, the rotational motion of the lead screw 16 is converted into the horizontal sliding motion of the sliding rod 11. The sliding rods 11 of the two sets of electromagnetic locking mechanisms slide in opposite directions along the rail frame 10. Under the action of the coil spring, the lower end of the permanent magnet guide block 23 at the end of the locking rod 18 will first contact the rolling ball 25 at the front end of the locking post 17 during the movement. During the movement, the rolling ball 25 guides the permanent magnet guide block 23 to slightly slide upward against the spring force until it is precisely aligned with the locking groove 24 on the locking post 17. At this time, under the pressure of the coil spring, the permanent magnet guide block 23 quickly falls into the locking groove 24. Since the control is in a de-energized state, the strong permanent magnet attraction generated by the permanent magnet guide block 23 makes it firmly attracted to the locking post 17 made of magnetic conductive material, realizing self-locking when the power is off. The electronic sensor 12 can detect the locking status and feed it back to the control box 3;

[0052] When all the swing plates 19 that need adjustment are locked by the corresponding electromagnetic clamping mechanism through their locking pins 17, the hydraulic rod 13 begins to extend and retract towards the end away from the annealing trolley 5, pulling out the swing plates 19 and the ingots on the swing plates 19 in an alternating manner, thereby forming a uniform and safe lifting gap between adjacent ingots, completely solving the problem of adhesion caused by high temperature contact and difficulty in inserting the lifting tool.

[0053] Once the ingot spacing is adjusted to the correct position, control box 3 sends a command to the electrical control unit that needs to be released. The coil inside the electromagnet housing 21 is energized, generating a magnetic field opposite to that of the permanent magnet guide block 23, thus counteracting the permanent magnet attraction. With the assistance of the coil spring, the permanent magnet guide block 23 disengages from the slot 24. Subsequently, the hydraulic rod 13 retracts, moving the entire rail frame 10 and its mechanisms back to their initial position, clearing space for the hoisting operation.

[0054] After the ingot is hoisted, the waste on the swing plates 19 and annealing trolley 5 is cleaned. When the slide bar 11 near the motor 9 moves towards the annealing trolley 5, the rack 20 embedded inside it moves accordingly. The rack 20 drives the gear 27 meshing with it to rotate, and the gear 27 drives the scraper 15 to rotate through the drive shaft 29. The rotating scraper 15 abuts against the inner wall of one side of the annealing trolley 5, and then, by removing each set of swing plates 19, the stubborn oxide impurities are scraped off by rigid scraping. The oxide scale and other debris that have fallen off due to heat treatment are left on the annealing trolley 5, which can then be cleaned simply by blowing with external equipment. When scraping is not required, the pin 26 can be inserted into the insertion hole 30 inside the scraper 15.

[0055] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A heat treatment device for homogenizing cast ingots, comprising a furnace body (1), a table rail (2), a control box (3), and an annealing trolley (5), characterized in that: The tabletop track (2) is connected to the lower part of the outer wall of the furnace body (1). Fire-resistant sealing doors (4) are installed on both sides of the front end of the furnace body (1). The control box (3) is fixedly installed on one side of the outer wall of the furnace body (1). The tabletop track (2) is connected to a pressure seat (8) through a pushing mechanism at one end. A guide seat (14) is provided on the upper surface of the pressure seat (8). The annealing trolley (5) is a trolley with a braking mechanism. The annealing trolley (5) is located on the upper surface of the guide seat (14). The guide seat (14) is connected to the rail frame (10) through the telescopic drive mechanism on both sides of the outer wall. The rail frame (10) is connected to two sets of electromagnetic clamping mechanisms through the sliding mechanism provided inside. Multiple sets of swing plates (19) are slidably installed on the upper surface of the annealing trolley (5). Each set of swing plates (19) is provided with a locking part that cooperates with the electromagnetic clamping mechanism on the outer wall of the side of the rail frame (10).

2. The ingot homogenization heat treatment apparatus according to claim 1, characterized in that: The pushing mechanism includes multiple telescopic hydraulic columns (6) arranged on both sides inside the tabletop track (2). The telescopic ends of the two multiple telescopic hydraulic columns (6) are connected to the outer wall of the guide seat (14). Guide rods (7) are fixedly installed on both sides of the outer wall of the guide seat (14) and on the side close to the multiple telescopic hydraulic columns (6). The two guide rods (7) are slidably connected to one end inside the tabletop track (2).

3. The ingot homogenization heat treatment apparatus according to claim 1, characterized in that: The telescopic drive mechanism includes a mounting base (22) fixedly installed on one side of the outer wall of the guide seat (14). A hydraulic rod (13) is provided at one end of the mounting base (22). The telescopic end of the hydraulic rod (13) is connected to the outer wall of the rail frame (10). Hanging rings (32) are fixedly installed on both sides of one end of the guide seat (14).

4. The ingot homogenization heat treatment apparatus according to claim 1, characterized in that: The sliding mechanism includes a motor (9) fixedly installed on the outer wall of one end of the rail frame (10), and a lead screw (16) fixedly installed at the output end of the motor (9). The end of the lead screw (16) away from the motor (9) rotates with the inside of the rail frame (10).

5. The ingot homogenization heat treatment apparatus according to claim 4, characterized in that: The electromagnetic clamping mechanism includes a slide rod (11), which is threaded to the lead screw (16) through a threaded hole at the bottom inside the slide rod (11). The two sets of internal threaded holes of the slide rod (11) are arranged in opposite directions. The slide rod (11) slides against the upper surface of the rail frame (10) on the side away from the lead screw (16). A clamping rod (18) is fixedly installed above the slide rod (11). An electric control sensor (12) is electrically installed on the outer side of the clamping rod (18). An electric control device is fixedly installed at the end of the clamping rod (18).

6. The ingot homogenization heat treatment apparatus according to claim 5, characterized in that: The control unit includes an electromagnet housing (21), a guide rod is slidably mounted inside the electromagnet housing (21), a permanent magnet guide block (23) is fixedly installed at the lower end of the guide rod, and a coil spring is fitted on the outside of the guide rod.

7. The ingot homogenization heat treatment apparatus according to claim 6, characterized in that: The locking component includes a fixing block (31) fixedly installed on the outer wall of one end of the swing plate (19). A locking post (17) is fixedly installed on the outer wall of the fixing block (31). A locking groove (24) adapted to the locking of the permanent magnet guide block (23) is opened on the upper part of the locking post (17). A rolling ball (25) is embedded in the front end of the locking post (17).

8. The ingot homogenization heat treatment apparatus according to claim 4, characterized in that: A retainer (28) is fixedly installed at one corner of the annealing trolley (5). A drive shaft (29) is rotatably installed inside the retainer (28). A gear (27) is fixedly sleeved on the upper part of the drive shaft (29). A scraper (15) is rotatably sleeved on the lower part of the drive shaft (29). A socket (30) is provided at one end of the scraper (15) away from the drive shaft (29). A through hole is provided on the upper surface of one side of the annealing trolley (5) and at one end close to the drive shaft (29). A pin (26) is movably inserted into both the through hole and the socket (30). A rack (20) is embedded in the slide rod (11) on the side close to the motor (9). The rack (20) is located on the meshing surface of the gear (27) on one side.

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