A heat treatment device for gear processing

Abstract

This invention belongs to the field of heat treatment technology, specifically relating to a heat treatment device for gear processing. It includes an equipment chamber and a water tank mounted on the equipment chamber. A control module is installed inside the equipment chamber, and a servo motor is fixedly installed inside the equipment chamber. An induction coil and a spray ring are fixedly installed inside the water tank. It also includes a material tray, which is rotatably mounted on the water tank and connected to the servo motor. This heat treatment device for gear processing, driven by the servo motor, rotates the material tray. Combined with the trajectory of the conventional, protruding, and recessed parts of the support base, the movable rod of the conveying rod automatically rises and falls. In conjunction with the loading mechanism and guide frame, it achieves continuous operation of workpiece loading, quenching, cooling, and unloading, significantly improving processing efficiency. By raising the movable rod to the induction coil, the gear sleeve and drive gear gradually mesh, driving the workpiece to rotate under the drive of the servo motor, ensuring uniform heating of the workpiece and improving the quenching effect.

Description

Technical Field

[0001] This invention belongs to the field of heat treatment technology, and specifically relates to a heat treatment device for gear processing. Background Technology

[0002] Gear hardening is a crucial strengthening process in gear manufacturing. It involves precisely heating the gear teeth or the entire gear and then rapidly cooling it, altering the internal metallographic structure to significantly improve the surface hardness, wear resistance, and fatigue strength of the gear. This ensures the gear's service life and transmission stability under high loads. Induction heat treatment equipment is the core device for this process. Utilizing the principle of electromagnetic induction, it generates eddy currents in the gear within an alternating magnetic field, causing it to heat itself. It allows for precise control of the heating area and temperature, enabling localized hardening of critical areas such as the gear tooth surface and root. Advantages include rapid heating, high thermal efficiency, and minimal workpiece deformation.

[0003] Currently, gear heat treatment equipment struggles to achieve continuous closed-loop processing of workpieces. Steps such as loading, post-quenching transfer, and post-cooling unloading either rely on manual labor or require multiple machines, increasing labor and equipment costs and leading to inefficiency due to time-consuming process connections. Furthermore, while some multi-station quenching devices attempt continuous operation, their workpiece rotation control has flaws: to ensure uniform heating of the workpiece in the induction coil, each station requires an independent rotation mechanism, separate drive components, and complex synchronization control components, resulting in bulky equipment, increased footprint, higher manufacturing costs, and greater maintenance difficulty. Moreover, when multiple mechanisms operate, asynchronous actions can easily occur due to component wear and signal delays, affecting workpiece rotation stability and leading to quenching quality deviations. Summary of the Invention

[0004] The purpose of this invention is to provide a heat treatment device for gear processing that achieves functions such as heating and cooling of gears through multiple workstations in order to solve the above-mentioned problems.

[0005] The present invention achieves the above objectives through the following technical solutions:

[0006] A heat treatment device for gear processing includes an equipment chamber and a water tank disposed on the equipment chamber. A control module is disposed inside the equipment chamber, a servo motor is fixedly disposed inside the equipment chamber, and an induction coil and a spray ring are fixedly disposed inside the water tank.

[0007] It also includes:

[0008] A material tray, which is rotatably mounted on a water tank, is connected to a servo motor.

[0009] Conveying rods, the array of conveying rods being arranged on a material tray, each conveying rod including a movable rod, the movable rod being slidably arranged on the material tray;

[0010] A support base is fixedly installed inside the water tank, and a movable rod is slidably installed on the support base. The movable rod moves up and down along the trajectory of the support base surface.

[0011] The feeding mechanism is mounted on the water tank;

[0012] A material guide rack is installed on the water tank and is located above the material tray.

[0013] As a further optimization of the present invention, the material tray has an array of installation openings, a guide plate is fixedly installed in the installation opening, the guide plate is inclinedly installed in the installation opening, the material tray has an array of through openings, a sleeve is fixedly installed below the through opening, the movable rod is movably installed in the sleeve, and a vertical rod is rotatably installed through the water tank, the vertical rod is fixedly connected to the material tray.

[0014] As a further optimization of the present invention, the support base includes a regular part with an annular structure, a recessed part on the regular part, and a plurality of protrusions on the regular part.

[0015] As a further optimization of the present invention, the induction coil and the liquid spraying ring are respectively located above different protrusions, and the guide frame is located above the recess.

[0016] As a further optimization of the present invention, the conveying rod also includes a universal ball, which is slidably disposed on the support base and connected to the bottom of the movable rod. A toothed sleeve is fixedly sleeved on the movable rod, and an embedded post is fixedly disposed at the upper end of the movable rod. The diameter of the embedded post is smaller than that of the movable rod.

[0017] As a further optimization of the present invention, a second upright rod is rotatably installed inside the water tank, and a drive gear is fixedly installed at the upper end of the second upright rod. The drive gear meshes with a gear sleeve. A second servo motor is fixedly installed inside the equipment compartment, and the output end of the second servo motor is fixedly connected to the second upright rod.

[0018] As a further optimization of the present invention, the feeding mechanism includes a storage pipe, which is fixedly installed on a water tank. A conveying plate is fixedly installed below the storage pipe. A gap is left between the conveying plate and the storage pipe for the workpiece to pass through. A cylinder is fixedly installed on the water tank. A push plate is fixedly installed at the output end of the cylinder. The push plate is slidably installed on the conveying plate. An arc-shaped notch is opened on the conveying plate to fit the edge of the material tray.

[0019] As a further optimization of the present invention, the guide frame is an arc-shaped track structure that fits the surface of the material tray, and a discharge plate that penetrates the side wall of the water tank is provided below the guide frame.

[0020] As a further optimization of the present invention, an infusion pipe is provided on the spray ring, the infusion pipe extends into the water tank, and a water pump is provided at the end of the infusion pipe.

[0021] As a further optimization of the present invention, a reduction gearbox is provided at the output end of the servo motor via a coupling, and the reduction gearbox is fixedly connected to the upright.

[0022] The beneficial effects of this invention are as follows:

[0023] 1. Unlike existing technologies, in actual use, the servo motor drives the material tray to rotate, and combined with the trajectory of the regular part, protrusion and recess of the support base, the movable rod of the conveying rod is automatically raised and lowered. With the help of the loading mechanism and the guide frame, continuous operation of workpiece loading, quenching, cooling and unloading is realized, which greatly improves processing efficiency.

[0024] 2. Unlike existing technologies, in actual use, by raising the movable rod to the induction coil, the gear sleeve and the drive gear gradually mesh, and the workpiece is rotated under the drive of the servo motor, ensuring uniform heating of the workpiece and improving the quenching effect.

[0025] 3. Unlike existing technologies, in actual use, the guide plate is tilted, which not only guides the workpiece to be unloaded but also discharges residual coolant. The arc-shaped notch of the conveyor plate ensures accurate feeding. The overall structure is compact and the components work together smoothly, effectively ensuring the quality and continuity of gear heat treatment. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 This is the present invention. Figure 1 Schematic diagram of partial cross-section;

[0028] Figure 3 This is a partial cross-sectional structural diagram of the water tank of the present invention;

[0029] Figure 4 This is the present invention. Figure 3 Enlarged structural diagram at point A in the middle;

[0030] Figure 5 This is the present invention. Figure 1 Explosion structure diagram;

[0031] Figure 6 This is a schematic diagram of the support structure of the present invention;

[0032] Figure 7 This is a schematic diagram of the connection structure of the conveying rod of the present invention;

[0033] Figure 8 This is a schematic diagram of the material tray structure of the present invention;

[0034] Figure 9 This is a schematic diagram of the connection structure of the conveyor plate of the present invention;

[0035] Figure 10 This is a schematic diagram of the internal structure of the equipment compartment of the present invention.

[0036] In the diagram: 1. Equipment compartment; 11. Water tank; 12. Control module; 2. Material tray; 21. Mounting port; 22. Guide plate; 23. Sleeve; 24. Through-hole; 25. Upright pole one; 3. Support base; 31. Regular part; 32. Protrusion; 33. Recess; 4. Conveying rod; 41. Movable rod; 42. Universal ball; 43. Gear sleeve; 44. Embedded column; 5. Guide frame; 51. Unloading plate; 6. Loading mechanism; 61. Storage pipe; 62. Cylinder; 621. Push plate; 63. Conveying plate; 7. Induction coil; 8. Spray ring; 81. Infusion pipe; 82. Water pump; 9. Servo motor one; 91. Gearbox; 10. Drive gear; 101. Upright pole two; 102. Servo motor two. Detailed Implementation

[0037] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0038] Example 1, such as Figure 1 - Figure 10As shown, a heat treatment device for gear processing includes a chamber 1 and a water tank 11 mounted on the chamber 1. A control module 12 is installed inside the chamber 1. A servo motor 9 is fixedly installed inside the chamber 1. An induction coil 7 and a spray ring 8 are fixedly installed inside the water tank 11. A liquid delivery pipe 81 is mounted on the spray ring 8, extending into the water tank 11. A water pump 82 is installed at the end of the liquid delivery pipe 81 and is electrically connected to the control module 12. A material tray 2 is mounted on the water tank 11 via the servo motor 9, which is electrically connected to the control module 12. The control module 12 controls the start and stop of the servo motor 9, thereby driving the material tray 2 to rotate intermittently by a certain angle. The material tray 2 is arrayed with conveying rods 4, each including a movable rod 41, which is slidably mounted on the material tray 2. A support base 3 is fixedly mounted inside the water tank 11, and the movable rod 41 is slidably mounted on the support base 3, moving up and down along the surface trajectory of the support base 3. The equipment compartment 1 provides installation and protection space for internal components such as the servo motor 9, preventing external interference with the drive components. The water tank 11 can store coolant to meet the medium requirements of subsequent cooling processes. The induction coil 7 is the core component for induction heating of the workpiece, generating heat through electromagnetic induction. The spray ring 8 can spray coolant around the workpiece to ensure uniform cooling. The delivery pipe 81 provides a channel for coolant delivery, and the water pump 82 provides power for coolant delivery, ensuring stable delivery of coolant to the spray ring 8. Servo motor 9 provides power for the rotation of tray 2. Tray 2 serves as a carrier, and multiple workpieces are synchronously transported and processed through the array of conveying rods 4, improving equipment processing efficiency. Movable rod 41 is slidably mounted on tray 2 and can drive the workpiece to complete the position switching of different processes through lifting and lowering movements. Support base 3 controls the lifting and lowering of movable rod 41 through its own surface trajectory, eliminating the need for additional complex drive structures, simplifying equipment design. Its fixed setting ensures trajectory stability, thereby ensuring the precise lifting and lowering movements of movable rod 41.

[0039] like Figure 7As shown, the conveying rod 4 also includes a universal ball 42, which is slidably mounted on the support base 3 and connected to the bottom of the movable rod 41. A toothed sleeve 43 is fixedly fitted on the movable rod 41, and an embedded post 44 is fixedly mounted on the upper end of the movable rod 41. The diameter of the embedded post 44 is smaller than that of the movable rod 41. The universal ball 42 is connected to the bottom of the movable rod 41 and slidably mounted on the support base 3, converting the sliding friction between the movable rod 41 and the support base 3 into rolling friction, reducing the frictional force between the two, making the movable rod 41 slide more smoothly along the trajectory of the support base 3, reducing wear, and extending the service life of the component. The toothed sleeve 43 is fixedly fitted on the movable rod 41. When the movable rod 41 rises to a specific position, it can mesh with the drive gear 10, thereby realizing the rotation drive of the movable rod 41 and providing a transmission basis for the rotation of the workpiece. The diameter of the embedded column 44 is smaller than that of the movable rod 41, which makes it easy to embed into the center hole of the workpiece, such as a gear. It can stably support and drive the workpiece to rise, fall and rotate synchronously with the movable rod 41. The diameter of the induction coil 7 is larger than that of the workpiece, so as to ensure that the workpiece can enter the induction coil 7 during the process of moving with the movable rod 41.

[0040] like Figure 3 and Figure 8 As shown, the material tray 2 has an array of mounting openings 21, and a guide plate 22 is fixedly installed inside the mounting opening 21. The guide plate 22 is inclinedly installed in the mounting opening 21. The material tray 2 also has an array of through openings 24, and a sleeve 23 is fixedly installed below the through opening 24. The movable rod 41 is movably installed in the sleeve 23. A vertical rod 25 is rotatably installed through the water tank 11 and is fixedly connected to the material tray 2. The output end of the servo motor 9 is connected to a reduction gearbox 91 via a coupling. The reduction gearbox 91 is fixedly connected to the vertical rod 25. The mounting opening 21 provides a mounting position for the guide plate 22. The inclined setting of the guide plate 22 guides the workpiece to slide down to the unloading plate 51, and at the same time facilitates the flow of residual cooling water on the surface of the material tray 2 down the inclined surface, avoiding water accumulation that may affect the workpiece or equipment. The through opening 24 provides a mounting base for the sleeve 23. The sleeve 23 guides the sliding of the movable rod 41, ensuring that the movable rod 41 can only move up and down axially, preventing it from deviating and ensuring the positional accuracy of the workpiece. The upright pole 25 passes through the water tank 11 and is fixedly connected to the material tray 2. It is the transmission component that drives the material tray 2 to rotate via the servo motor 9. The gearbox 91 is connected to the output end of the servo motor 9 via a coupling. It can adjust the output speed of the servo motor 9 so that the material tray 2 can obtain a suitable rotation speed to meet the requirements of each process for the dwell time of the workpiece. At the same time, it can increase the transmission torque and ensure the stable rotation of the material tray 2.

[0041] like Figure 5 - Figure 6As shown, the support base 3 includes a regular part 31 with an annular structure. The regular part 31 has a recess 33 and multiple protrusions 32. The induction coil 7 and the spray ring 8 are located above different protrusions 32, and the guide frame 5 is located above the recess 33. The regular part 31 of the support base 3 provides a basic support trajectory for the movable rod 41, ensuring a stable height for the movable rod 41 during non-processing operations. The protrusions 32 allow the movable rod 41 to rise at corresponding positions. Because the induction coil 7 and the spray ring 8 are located above different protrusions 32, the workpiece can be precisely delivered to the induction heating and spray cooling positions, meeting the workpiece height requirements of different processes. The recess 33, located above the guide frame 5, allows the movable rod 41 to descend, separating the workpiece from the embedded column 44, facilitating the workpiece's entry into the guide frame 5 for unloading. The coordinated operation of these parts achieves precise correspondence between the lifting and lowering of the movable rod 41 and the processing steps.

[0042] like Figure 3 - Figure 4 As shown, a second upright rod 101 is rotatably mounted inside the water tank 11. A drive gear 10 is fixedly mounted on the upper end of the second upright rod 101, and the drive gear 10 can mesh with the gear sleeve 43. A second servo motor 102 is fixedly mounted inside the equipment compartment 1. The output end of the second servo motor 102 is fixedly connected to the second upright rod 101. The second servo motor 102 is electrically connected to the control module 12, which controls the start and stop of the second servo motor 102. The second upright rod 101 passes through the water tank 11, serving to support the drive gear 10 and transmit power. The meshing design of the drive gear 10 and the gear sleeve 43 enables selective power transmission. Only when the movable rod 41 rises to the processing position do the two mesh, and the power of the second servo motor 102 is transmitted to the movable rod 41 through the second upright rod 101, the drive gear 10, and the gear sleeve 43, driving the workpiece to rotate. When not in the processing position, the two separate, without affecting the rotation of the movable rod 41 driven by the material tray 2. The structural design is flexible. Servo motor 2102 provides power for the workpiece rotation and can precisely control the speed to ensure that the workpiece rotates at a uniform speed in the induction coil 7, thus ensuring uniform heating.

[0043] like Figure 2 and Figure 9As shown, a feeding mechanism 6 is provided on the water tank 11. The feeding mechanism 6 includes a storage pipe 61, which is fixedly installed on the water tank 11. A conveying plate 63 is fixedly installed below the storage pipe 61. A gap is left between the conveying plate 63 and the storage pipe 61 for the workpiece to pass through. A cylinder 62 is fixedly installed on the water tank 11. A push plate 621 is fixedly installed at the output end of the cylinder 62. A notch is opened on the push plate 621, and the workpiece is located in the notch to prevent the workpiece from shifting to both sides during the process of the push plate 621 pushing the workpiece. The push plate 621 is slidably installed on the conveying plate 63. An arc-shaped notch is opened on the conveying plate 63 to fit with the edge of the material tray 2. The upper surface of the conveying plate 63 is horizontal with the upper surface of the material tray 2, so that the workpiece can be moved smoothly onto the material tray 2. The storage pipe 61 can store the workpiece to be processed, realize batch feeding, and reduce the operation of frequent manual feeding. The conveyor plate 63 provides a support surface for workpiece conveying. The gap between it and the storage pipe 61 allows only a single workpiece to pass through, preventing workpiece accumulation and ensuring that workpieces fall onto the conveyor plate 63 in an orderly manner. The cylinder 62 acts as a power source to drive the push plate 621, which pushes the workpiece on the conveyor plate 63 towards the material tray 2 to complete the loading action. The arc-shaped notch on the conveyor plate 63 that fits against the edge of the material tray 2 guides the workpiece to move precisely above the embedded post 44 of the movable rod 41 on the material tray 2, ensuring accurate loading position.

[0044] like Figure 2 As shown, a guide frame 5 is installed on the water tank 11, located above the material tray 2. The guide frame 5 is an arc-shaped track structure that conforms to the surface of the material tray 2. Below the guide frame 5, a discharge plate 51 penetrates the side wall of the water tank 11. The guide frame 5, located above the material tray 2 and conforming to the surface of the material tray 2, allows the workpiece to enter the track of the guide frame 5 after it separates from the embedded column 44 and rotates with the material tray 2 to the guide frame 5. It then moves stably along the track, preventing the workpiece from shifting arbitrarily. The discharge plate 51 penetrates the side wall of the water tank 11, receiving the workpiece falling from the guide frame 5 and the guide plate 22, and conveying it out of the equipment, thus realizing automatic workpiece unloading and completing the entire processing cycle.

[0045] It should be noted that the working principle of the heat treatment equipment for gear processing is as follows: After the equipment is started, the servo motor 9 in the equipment compartment 1 starts to run first. The gearbox 91 connected to its output end through the coupling operates accordingly. After the speed is adjusted by the gearbox 91, it drives the upright rod 25, which is fixedly connected to the gearbox 91, to rotate. The upright rod 25 passes through the water tank 11 and its top end is fixed to the material tray 2. Therefore, the material tray 2 rotates synchronously with the upright rod 25. The conveying rods 4 arrayed on the material tray 2 also rotate accordingly. Under the action of gravity, the universal ball 42 at the bottom of the movable rod 41 in the conveying rod 4 is tightly attached to the surface of the support base 3. As the material tray 2 rotates, the universal ball 42 slides along the trajectory formed by the conventional part 31, the protrusion 32 and the recess 33 of the support base 3, thereby carrying the movable rod 41 to slide in the sleeve 23 of the material tray 2, realizing the lifting and lowering action of the movable rod 41.

[0046] When the movable rod 41 rotates with the material tray 2 to the protrusion 32 below the induction coil 7, because the height of the protrusion 32 is higher than that of the conventional part 31, the universal ball 42 moves upward along the protrusion 32, causing the movable rod 41 to slide upward. The embedded post 44 at the upper end of the movable rod 41 carries the workpiece at the top and gradually rises until the workpiece initially enters the interior of the induction coil 7. At the same time, the toothed sleeve 43 fixedly fitted on the movable rod 41 rises with the movable rod 41 and gradually meshes with the drive gear 10 at the upper end of the upright rod 101. The upright rod 101 passes through the water tank 11 and its lower end is fixed to the output end of the servo motor 102 in the equipment compartment 1. At this time, the servo motor 102 runs, driving the upright rod 101 and the drive gear 10 to rotate. The drive gear 10 then drives the toothed sleeve 43 and the movable rod 41 to rotate, so that the workpiece rotates at a uniform speed in the induction coil 7, ensuring that all parts of the workpiece can receive induction heating evenly and improving the uniformity of quenching heating.

[0047] After quenching, the material tray 2 continues to rotate, and the universal ball 42 at the bottom of the movable rod 41 slides down from the protrusion 32 and moves with the rotation to another protrusion 32 located below the spray ring 8. The movable rod 41 rises again, allowing the workpiece to enter the interior of the spray ring 8. At this time, the water pump 82 in the water tank 11 starts and delivers the coolant in the water tank 11 to the spray ring 8 through the liquid delivery pipe 81. The spray ring 8 sprays coolant around the workpiece, quickly cooling the high-temperature workpiece and completing the cooling process after quenching.

[0048] After cooling, the tray 2 continues to rotate, and the movable rod 41 moves above the recess 33 of the support base 3. Because the height of the recess 33 is lower than that of the conventional part 31, the universal ball 42 slides down along the recess 33, and the movable rod 41 slides down accordingly. The embedded post 44 gradually retracts into the sleeve 23 of the tray 2. The workpiece separates from the embedded post 44 due to the loss of support and falls onto the surface of the tray 2. As the tray 2 rotates, the detached workpiece is carried to the guide frame 5. The guide frame 5 is an arc-shaped track structure that fits the surface of the tray 2. After the workpiece enters the guide frame 5, it moves along its track and finally falls into the mounting port 21 of the tray 2 and onto the inclined guide plate 22. The guide plate 22 not only guides the workpiece to slide down, but also allows the cooling water remaining on the surface of the tray 2 to flow down its inclined surface. Then the workpiece naturally slides down to the unloading plate 51 below the guide frame 5 and is conveyed out of the equipment through the unloading plate 51.

[0049] The movable rod 41, which completes the unloading, continues to rotate with the material tray 2 and comes to the bottom of the storage tube 61 of the feeding mechanism 6. At this time, the workpiece in the storage tube 61 has fallen onto the conveyor plate 63. There is a gap between the conveyor plate 63 and the storage tube 61 to allow a single workpiece to pass through, ensuring that the workpiece falls in an orderly manner. The cylinder 62 on the water tank 11 is activated, and its output end pushes the push plate 621 to slide on the conveyor plate 63. The push plate 621 pushes the workpiece on the conveyor plate 63 toward the material tray 2. Because the conveyor plate 63 has an arc-shaped notch that fits the edge of the material tray 2, the workpiece can be accurately pushed onto the material tray 2 and is located directly above the embedded column 44 of the movable rod 41. Then the material tray 2 continues to rotate, the movable rod 41 leaves the recessed part 33, the universal ball 42 at the bottom moves to the regular part 31 of the support seat 3, the movable rod 41 rises, the embedded column 44 protrudes from the surface of the material tray 2 and embeds into the workpiece below, and the workpiece rotates with the material tray 2, and enters the processing position below the induction coil 7 again, and the quenching process starts again. This cycle is repeated to realize the continuous heat treatment operation of the workpiece.

[0050] The embodiments described above are merely examples of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A heat treatment device for gear processing, comprising a device chamber and a water tank disposed on the device chamber, wherein a control module is disposed within the device chamber, characterized in that: A servo motor is fixedly installed inside the equipment compartment, and an induction coil and a spray ring are fixedly installed inside the water tank. It also includes: A material tray, which is rotatably mounted on a water tank, is connected to a servo motor. Conveying rods, the array of conveying rods being arranged on a material tray, each conveying rod including a movable rod, the movable rod being slidably arranged on the material tray; A support base is fixedly installed inside the water tank, and a movable rod is slidably installed on the support base. The movable rod moves up and down along the trajectory of the support base surface. The feeding mechanism is mounted on the water tank; A material guide frame is mounted on a water tank and positioned above a material tray; The material tray has an array of installation openings, and a guide plate is fixedly installed inside the installation opening. The guide plate is inclinedly installed in the installation opening. The material tray has an array of through openings, and a sleeve is fixedly installed below the through opening. The movable rod is movably installed in the sleeve. A vertical rod is rotatably installed through the water tank and is fixedly connected to the material tray. The support base includes a regular part with an annular structure, a recessed part on the regular part, and a plurality of protrusions on the regular part; The conveying rod also includes a universal ball, which is slidably mounted on the support base and connected to the bottom of the movable rod. A toothed sleeve is fixedly fitted on the movable rod, and an embedded post is fixedly mounted at the upper end of the movable rod. The diameter of the embedded post is smaller than that of the movable rod. A second upright rod is rotatably installed inside the water tank. A drive gear is fixedly installed at the upper end of the second upright rod, and the drive gear meshes with a gear sleeve. A second servo motor is fixedly installed inside the equipment compartment, and the output end of the second servo motor is fixedly connected to the second upright rod.

2. The heat treatment equipment for gear processing according to claim 1, characterized in that: The induction coil and the liquid spraying ring are located above different protrusions, and the guide frame is located above the recess.

3. The heat treatment equipment for gear processing according to claim 1, characterized in that: The feeding mechanism includes a storage pipe, which is fixedly installed on a water tank. A conveying plate is fixedly installed below the storage pipe. A gap is left between the conveying plate and the storage pipe for the workpiece to pass through. A cylinder is fixedly installed on the water tank. A push plate is fixedly installed at the output end of the cylinder. The push plate is slidably installed on the conveying plate. An arc-shaped notch is opened on the conveying plate to fit the edge of the material tray.

4. The heat treatment equipment for gear processing according to claim 1, characterized in that: The guide frame is an arc-shaped track structure that fits the surface of the material tray, and a discharge plate that penetrates the side wall of the water tank is provided below the guide frame.

5. The heat treatment equipment for gear processing according to claim 1, characterized in that: The spray ring is equipped with an infusion pipe that extends into the water tank, and a water pump is installed at the end of the infusion pipe.

6. The heat treatment equipment for gear processing according to claim 1, characterized in that: The output end of the servo motor is equipped with a reduction gearbox via a coupling, and the reduction gearbox is fixedly connected to the upright.

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