Wall thickness thermal deformation control device based on titanium alloy ring forging and working method of wall thickness thermal deformation control device
By combining a scanning heating mechanism with a robotic arm, the device achieves seamless scanning and temperature measurement of titanium alloy ring forgings. It also utilizes a U-shaped induction heating coil for localized control, solving the problem of inaccurate wall thickness and temperature control in traditional processes and realizing efficient and precise intelligent control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-23
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional hot forming or heat treatment processes make it difficult to achieve precise and coordinated control of the circumferential wall thickness and temperature of titanium alloy ring forgings, and lack intelligent devices for online rapid detection and dynamic energy input.
The device combines a scanning heating mechanism with a robotic arm. Through the coordinated work of an electric turntable, slide rail, slide base, heating components and sensors, it achieves 360-degree scanning and temperature measurement without blind spots. It also uses a U-shaped induction heating coil for localized focused heating, and combines it with a central control system for real-time data processing and regulation.
It enables rapid and high-precision measurement of the wall thickness distribution of titanium alloy ring forgings and real-time monitoring of the temperature field, allowing for local deformation guidance and residual stress control, thus improving response speed and processing accuracy and meeting the high-speed requirements of modern intelligent manufacturing.
Smart Images
Figure CN121802154A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of precision hot working technology for titanium alloys, and in particular to a device for controlling the wall thickness hot deformation of titanium alloy ring forgings and its working method. Background Technology
[0002] Titanium alloy ring forgings are key load-bearing components in aerospace engines and aircraft structures, and have extremely high requirements for wall thickness uniformity, residual stress and microstructure.
[0003] Traditional hot forming or heat treatment processes often employ overall heating (such as resistance furnaces) or localized flame heating, which suffers from problems such as inaccurate temperature field control, slow response, high energy consumption, and susceptibility to thermal shock cracks. It is difficult to achieve coordinated and precise control of the wall thickness and temperature in the circumferential direction of ring forgings. In particular, for local wall thickness correction or stress relief of already formed ring forgings, there is a lack of an intelligent device that can quickly detect the wall thickness and temperature distribution online and make dynamic, localized, and controllable energy input accordingly. Summary of the Invention
[0004] The problem solved by this invention is to provide a wall thickness hot deformation control device and its working method based on titanium alloy ring forgings, so as to realize rapid and high-precision measurement of the wall thickness distribution of hot titanium alloy ring forgings, real-time monitoring of the temperature field, and focused induction heating of specific areas based on the measurement results, thereby realizing wall thickness uniformity correction, local deformation guidance or residual stress control.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: A device for controlling the wall thickness thermal deformation of titanium alloy ring forgings includes a scanning heating mechanism and two robotic arms. The robotic arms are used for handling and loading / unloading the titanium alloy ring forgings. The scanning heating mechanism includes an electric turntable with a rotating base rotatably mounted on it. Several sets of slide rails are arranged at equal angles on the turntable, and a sliding block is slidably mounted on the slide rails. A heating component and a scanning component are mounted on the sliding block. The heating component includes a support arm fixedly connected to the sliding block, and a U-shaped induction heating coil is mounted on the support arm. The scanning component includes a C-shaped fixed base fixedly connected to the sliding block, and a C-shaped slip ring is slidably mounted inside the fixed base. A mounting plate is mounted on the inner side of the slip ring, and a thermal imager and a distance sensor are mounted on the mounting plate.
[0006] Preferably, the rotary table has several adjustment slots at equal angles parallel to the slide rail, and a first motor is installed in the middle of the rotary table.
[0007] Preferably, the output end of the first motor is equipped with a turntable inside the rotary seat, and the turntable has several arc-shaped grooves at equal angles. A guide rod that passes through the arc-shaped grooves and the adjustment groove is installed at the bottom of the slide.
[0008] Preferably, the fixed base has an inner groove, and C-shaped guide grooves are provided on both sides of the inner groove. The slip ring is located in the inner groove, and guide blocks that are slidably connected to the guide grooves are provided on both sides of the slip ring.
[0009] Preferably, the outer side of the fixing seat is provided with a plurality of side shells at intervals, and a rotating shaft is installed inside the side shell, and a rotating tooth is rotatably installed on the rotating shaft.
[0010] Preferably, a second motor is installed on the two side shells located at the end of the fixed base, and the output end of the second motor is connected to the rotating shaft.
[0011] Preferably, the slip ring has external teeth on its outer side, and the external teeth mesh with the rotating teeth.
[0012] Preferably, the opening direction of the U-shaped induction heating coil is consistent with the opening direction of the fixing base, and the opening width of the U-shaped induction heating coil and the fixing base is greater than the thickness of the titanium alloy ring forging.
[0013] Preferably, the scanning heating mechanism further includes a central control system electrically connected to the thermal imager, the ranging sensor, the U-shaped induction heating coil, the first motor, and the second motor; the central control system is used to receive sensor data, construct the temperature field and three-dimensional contour model of the ring forging, generate heating control commands, and drive the various execution components to work together. The central control system has pre-stored the heat processing diagram data of the titanium alloy material and is configured to compare the temperature data collected in real time by the thermal imager with the safe processing range of the heat processing diagram. When the local temperature of the ring forging is detected to deviate from the safe range, the corresponding U-shaped induction heating coil is controlled to perform dynamic energy compensation for the local area.
[0014] A working method for a wall thickness hot deformation control device based on titanium alloy ring forgings, the specific operation steps of which are as follows: Step 1: The robotic arm picks up the hot titanium alloy ring forging from the upstream process. The robotic arm transports the ring forging and precisely places it in the central working area of the scanning heating mechanism, that is, the rotation center of the electric turntable. The titanium alloy ring forging is kept stable at this station by the robotic arm. Step Two: The first motor starts, driving the turntable to rotate. Guided by the guide rod in the arc groove, all slides move synchronously radially along the slide rail until the fixed seat on the slide passes through the titanium alloy ring forging and is adjusted to the preset scanning starting radius position. The second motor starts, driving the rotating teeth to rotate through the rotating shaft, meshing with the external teeth on the slip ring, and driving the slip ring to slide along the guide groove. The slip ring passes through the inner hole of the titanium alloy ring forging. At this time, the thermal imager and the ranging sensor on the mounting plate are facing the outer wall of the titanium alloy ring forging. The electric turntable starts, driving the entire turntable and all slides, scanning and heating components to rotate slowly and uniformly around the titanium alloy ring forging. When the rotation encounters the clamping point between the robotic arm and the titanium alloy ring forging, another robotic arm clamps the titanium alloy ring forging, and the existing robotic arm releases its clamping of the titanium alloy ring forging to avoid interference with the moving scanning and heating components. Step 3: The thermal imager continuously captures infrared thermal images of the entire circumference of the titanium alloy ring forging, and processes them to synthesize a complete 360° temperature field distribution cloud map. The ranging sensor emits laser at a high frequency and receives the echo, recording the distance values from the sensor to each point on the surface of the ring forging. Combined with the precise angle encoder data of the turntable, the distance and angle data are converted into a three-dimensional contour coordinate point cloud of the ring forging surface. The collected temperature and geometric data are transmitted to the central control system in real time. The system software analyzes the data and calculates the real-time wall thickness distribution at each point on the circumference of the ring forging based on the contour point clouds of the inner and outer surfaces. The low-temperature zone and high-temperature zone are identified from the temperature field cloud map, and their precise angular positions are located. The measured temperature is compared with the pre-stored titanium alloy hot working map to determine whether the temperature of each area of the ring forging is within the optimal plastic deformation or heat treatment window. Step 4: The central control system generates a control strategy based on the problems diagnosed in the second stage. The first motor actuates again, fine-tuning the radial position of the slide to place the U-shaped induction heating coil at the optimal heating distance. The electric turntable rotates, moving the slide carrying the corresponding U-shaped induction heating coil to the starting angle position of the target sector. The electric turntable slowly drives the heating coil through the target sector. At the same time, the U-shaped induction heating coil is energized, generating a high-frequency alternating magnetic field. Eddy currents are induced in the target local area of the titanium alloy ring forging, thereby generating Joule heating and achieving rapid, focused energy input. During the heating process, the thermal imager can monitor synchronously to achieve closed-loop feedback control of the temperature. After the local heating is completed, the global scanning process can be restarted to verify the control effect. After the control operation is completed, the robotic arm actuates again to remove the processed ring forging and transfer it to the next process.
[0015] The beneficial effects of this invention are: Achieving 360-degree synchronous scanning and temperature measurement without blind spots in the entire circumference: This invention achieves blind spot coverage measurement of the outer surface of the ring forging through a unique mechanical structure design of "rotational scanning + radial / axial adjustment"; An electric turntable drives the entire scanning mechanism to rotate continuously 360 degrees around a stationary ring forging, ensuring that the scanning trajectory covers the entire circumference. Through a linkage mechanism consisting of a first motor, a turntable, and guide rods, all slide blocks can be synchronously driven to move precisely radially along the slide rails. This allows the thermal imager and distance sensor to be adjusted to the optimal measurement distance based on the outer diameter of the ring forging, ensuring that the sensor's field of view always covers the outer surface of the ring and avoiding measurement blind spots or accuracy degradation due to excessively close or far distances. A drive mechanism consisting of a second motor, rotating gears, and the outer teeth of the slip ring precisely controls the slip ring and mounting plate. Sliding along the C-shaped guide groove allows the thermal imager and ranging sensor on the mounting plate to rotate around the ring forging. During the scanning process, in cooperation with the dual robotic arms, true 360-degree full coverage without mechanical interference is achieved. The high-precision angle encoder is synchronized with the rotational motion, giving each frame of thermal image and each ranging point data precise angular coordinates. Through the data processing of the central control system, the sequential images and discrete point clouds can be seamlessly stitched together to generate a complete, coordinate-unified temperature field cloud map and three-dimensional contour model of the outer surface of the ring forging, providing a precise full-circumference data basis for subsequent analysis. The device integrates three major functions: non-contact thermal imaging temperature measurement, laser ranging, and high-frequency induction heating. Through the central control system, it realizes real-time data processing and decision-making. The entire process of "full-circumference scanning - data analysis - problem diagnosis - precise heating - effect verification" can be completed sequentially in a single workstation, forming an efficient intelligent control closed loop. It abandons the lagging mode of detection and heating separation and reliance on manual interpretation and operation in the traditional method, which greatly improves the response speed and processing accuracy. The system features localized, ultra-precise, and programmable induction heating capabilities. It employs a U-shaped induction heating coil, whose radial and angular positions can be independently controlled, as the actuator. Each heating coil on the slide can be individually addressed and controlled. The central control system can control the corresponding heating coil to move to the diagnosed problem area and program its output power and duration. The alternating magnetic field generated by the U-shaped coil can efficiently induce eddy currents locally in the titanium alloy ring, achieving rapid and depth-controllable focused heating. The heat is concentrated and the heat-affected zone boundary is clear, making it very suitable for localized thermal correction or performance regulation, avoiding the problems of high energy consumption and thermal shock in overall heating. Based on the scientific process decision-making of material thermal working diagrams, the central control system has pre-set thermal working diagram data of titanium alloy materials. The thermal working diagram defines the safe processing window of the material at different temperatures and strain rates. The system compares the real-time collected temperature data with the thermal working diagram. It can not only determine whether the temperature is uniform, but also scientifically determine whether the current temperature is within the process window that is most conducive to plastic deformation or microstructure optimization. This makes heating control not only for "uniform temperature", but also to guide the material state to the optimal "machinable" or "performance-enhanced" state, realizing a leap from "experience-based control" to "scientific model-driven control". A key feature of this invention is the deep integration of wall thickness geometric measurement and temperature measurement. By calculating the full-circumference wall thickness distribution, the system can accurately identify areas that need to be thickened or thinned. Traditional geometric correction often relies on mechanical force, which can easily introduce residual stress. This invention innovatively proposes to correct the wall thickness by controlling the local temperature field to induce controllable thermal deformation. With its high degree of automation and adaptability to production cycle, the dual robotic arm design eliminates the need to change clamps during the loading, scanning / heating, and unloading processes of ring forgings. The robotic arms themselves can stably hold and precisely center the workpiece. When the scanning mechanism rotates, the alternating gripping of the robotic arms cleverly solves the problem of interference between the scanning path and the fixed clamping point, ensuring the continuity of scanning. This allows the device to be seamlessly integrated into automated forging production lines, meeting the high-cycle requirements of modern intelligent manufacturing. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the first structure of the scanning heating mechanism of the present invention; Figure 3 This is a schematic diagram of the second structure of the scanning heating mechanism of the present invention; Figure 4 This is a schematic diagram of the turntable structure of the present invention; Figure 5 This is a schematic diagram of the rotating gear mounting structure of the present invention.
[0017] Legend: 1. Scanning heating mechanism; 2. Robotic arm; 3. Electric turntable; 4. Rotary seat; 5. Slide rail; 6. Slide seat; 7. Support arm; 8. U-shaped induction heating coil; 9. Fixed seat; 10. Inner groove; 11. Slip ring; 12. Mounting plate; 13. Thermal imager; 14. Distance sensor; 15. Adjustment groove; 16. First motor; 17. Turntable; 18. Arc groove; 19. Guide rod; 20. Guide groove; 21. Guide block; 22. External gear; 23. Side shell; 24. Second motor; 25. Rotating shaft; 26. Rotating gear. Detailed Implementation
[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0019] Specific implementation examples are given below.
[0020] See Figures 1-5 A device for controlling the wall thickness thermal deformation of titanium alloy ring forgings includes a scanning heating mechanism 1 and two robotic arms 2, which are used for handling and loading / unloading operations of titanium alloy ring forgings. The scanning heating mechanism 1 includes an electric turntable 3, on which a turntable 4 is rotatably mounted. Several sets of slide rails 5 are set at equal angles on the turntable 4. Slide seats 6 are slidably mounted on the slide rails 5. Several adjustment grooves 15 parallel to the slide rails 5 are opened at equal angles on the turntable 4. A first motor 16 is installed in the middle of the turntable 4. A turntable 17 is installed inside the turntable 4 at the output end of the first motor 16. Several arc-shaped grooves 18 are opened at equal angles on the turntable 17. A guide rod 19 penetrating the arc-shaped grooves 18 and the adjustment grooves 15 is installed at the bottom of the slide seat 6. When the first motor 16 drives the turntable 17 to rotate, the curved surface of the arc-shaped grooves 18 forces all the guide rods 19 to move radially synchronously, thereby driving all the slide seats 6 to move radially closer to or further away from the center along the slide rails 5, which is convenient for meeting the needs of titanium alloy ring forgings of different specifications. A heating assembly and a scanning assembly are mounted on the slide base 6. The heating assembly includes a support arm 7 fixedly connected to the slide base 6, and a U-shaped induction heating coil 8 is mounted on the support arm 7. The scanning assembly includes a C-shaped fixing base 9 fixedly connected to the slide base 6, and a C-shaped slip ring 11 is slidably mounted inside the fixing base 9. A mounting plate 12 is mounted inside the slip ring 11, and a thermal imager 13 and a ranging sensor 14 are mounted on the mounting plate 12. An inner groove 10 is formed inside the fixing base 9, and C-shaped guide grooves 20 are formed on both sides of the inner groove 10. The slip ring 11 is located inside the inner groove 10, and guide blocks 21 that are slidably connected to the guide grooves 20 are provided on both sides of the slip ring 11. Several spaced blocks are provided on the outer side of the fixing base 9. A side shell 23 is provided, and a rotating shaft 25 is installed inside the side shell 23. A rotating gear 26 is rotatably mounted on the rotating shaft 25. A second motor 24 is installed on the two side shells 23 located at the ends of the fixed base 9. The output end of the second motor 24 is connected to the rotating shaft 25. An external tooth 22 is provided on the outer side of the slip ring 11, and the external tooth 22 meshes with the rotating gear 26. The opening direction of the U-shaped induction heating coil 8 is consistent with the opening direction of the fixed base 9. The opening width of the U-shaped induction heating coil 8 and the fixed base 9 is greater than the thickness of the titanium alloy ring forging. When the second motor 24 rotates, it drives the slip ring 11 to slide axially along the guide groove 20 through the gear pair, thereby driving the mounting plate 12 and the sensor on it to pass through the inner hole of the ring forging.
[0021] The scanning heating mechanism 1 also includes a central control system electrically connected to the thermal imager 13, the ranging sensor 14, the U-shaped induction heating coil 8, the first motor 16, and the second motor 24. The central control system is used to receive sensor data, construct the temperature field and three-dimensional contour model of the ring forging, generate heating control commands, and drive the various execution components to work together. The central control system has pre-stored the heat processing map data of the titanium alloy material and is configured to compare the temperature data collected in real time by the thermal imager 13 with the safe processing range of the heat processing map. When the local temperature of the ring forging deviates from the safe range, the corresponding U-shaped induction heating coil 8 is controlled to perform dynamic energy compensation for the local area.
[0022] Working principle: Robotic arm 2 picks up the hot titanium alloy ring forging from the upstream process. The robotic arm transports the ring forging and precisely places it in the central working area of the scanning heating mechanism 1, that is, the rotation center of the electric turntable 3. The titanium alloy ring forging is kept stable by the robotic arm at this station. The first motor 16 starts, driving the turntable 17 to rotate. Through the guiding action of the guide rod 19 in the arc groove 18, it drives all the slide blocks 6 to move radially synchronously along the slide rail 5 until the fixed seat 9 on the slide block 6 passes through the titanium alloy ring forging and is adjusted to the preset scanning starting radius position. The second motor 24 starts, driving the rotating gear 26 to rotate through the rotating shaft 25. The gear 26 meshes with the external gear 22 on the slip ring 11, driving the slip ring 11 to slide along the guide groove 20. The slip ring 11 passes through the inner hole of the titanium alloy ring forging. At this time, the thermal imager 13 and the ranging sensor 14 on the mounting plate 12 are facing the outer wall of the titanium alloy ring forging. The electric turntable 3 starts, driving the entire turntable 4 and all the slide blocks 6, scanning and heating components to rotate slowly and uniformly around the titanium alloy ring forging. When the rotation encounters the clamping point between the robotic arm 2 and the titanium alloy ring forging, another robotic arm 2 clamps the titanium alloy ring forging, and the existing robotic arm 2 releases the clamping of the titanium alloy ring forging to avoid interference with the moving scanning and heating components. Thermal imager 13 continuously captures infrared thermal images of the entire circumference of the titanium alloy ring forging, and processes them to synthesize a complete 360° temperature field distribution cloud map. Distance sensor 14 emits laser light at a high frequency and receives the echo, recording the distance values from the sensor to various points on the ring forging surface. Combined with the precise angle encoder data from the turntable, the distance and angle data are converted into a three-dimensional contour coordinate point cloud of the ring forging surface. The collected temperature and geometric data are transmitted to the central control system in real time. The system software analyzes the data, calculates the real-time wall thickness distribution at various points on the circumference of the ring forging based on the contour point clouds of the inner and outer surfaces, identifies low-temperature and high-temperature zones from the temperature field cloud map, and locates their precise angular positions. The measured temperature is compared with a pre-stored titanium alloy hot working diagram to determine whether the temperature of each region of the ring forging is within the optimal plastic deformation or heat treatment window. Based on the problems diagnosed in the second stage, the central control system generates a control strategy. The first motor 16 operates again, fine-tuning the radial position of the slide 6 to place the U-shaped induction heating coil 8 at the optimal heating distance. The electric turntable 3 rotates, rotating the slide 6 carrying the corresponding U-shaped induction heating coil 8 to the starting angle position of the target sector. The electric turntable 3 slowly drives the heating coil through the target sector. At the same time, the U-shaped induction heating coil 8 is energized and generates a high-frequency alternating magnetic field, inducing eddy currents in the target local area of the titanium alloy ring forging to generate Joule heating, achieving rapid and focused energy input. During the heating process, the thermal imager 13 can perform synchronous monitoring to achieve closed-loop feedback control of the temperature. After the local heating is completed, the global scanning process can be restarted to verify the control effect. After the control operation is completed, the robotic arm 2 operates again to remove the processed ring forging and transfer it to the next process.
[0023] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. A device for controlling the wall thickness hot deformation of titanium alloy ring forgings, characterized in that, The device includes a scanning heating mechanism (1) and two robotic arms (2). The robotic arms (2) are used for handling and loading / unloading titanium alloy ring forgings. The scanning heating mechanism (1) includes an electric turntable (3). A turntable (4) is rotatably mounted on the electric turntable (3). Several sets of slide rails (5) are set at equal angles on the turntable (4). A slide block (6) is slidably mounted on the slide rails (5). A heating component and a scanning component are mounted on the slide block (6). The heating component includes a support arm (7) fixedly connected to the slide block (6). A U-shaped induction heating coil (8) is mounted on the support arm (7). The scanning component includes a C-shaped fixed seat (9) fixedly connected to the slide block (6). A C-shaped slip ring (11) is slidably mounted inside the fixed seat (9). A mounting plate (12) is mounted on the inner side of the slip ring (11). A thermal imager (13) and a distance sensor (14) are mounted on the mounting plate (12).
2. The wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 1, characterized in that, The rotating base (4) has several adjustment slots (15) at equal angles that are parallel to the slide rail (5), and a first motor (16) is installed in the middle of the rotating base (4).
3. The wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 2, characterized in that, The output end of the first motor (16) is located inside the rotating seat (4) and a turntable (17) is installed. Several arc-shaped grooves (18) are opened at equal angles on the turntable (17). A guide rod (19) that passes through the arc-shaped grooves (18) and the adjustment groove (15) is installed at the bottom of the slide (6).
4. The wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 3, characterized in that, The fixed base (9) has an inner groove (10) and C-shaped guide grooves (20) on both sides of the inner groove (10). The slip ring (11) is located in the inner groove (10) and guide blocks (21) that are slidably connected to the guide grooves (20) are provided on both sides of the slip ring (11).
5. The wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 4, characterized in that, The fixed base (9) has several side shells (23) spaced apart on the outside. A rotating shaft (25) is installed inside the side shell (23), and a rotating tooth (26) is rotatably installed on the rotating shaft (25).
6. The wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 5, characterized in that, A second motor (24) is installed on the two side shells (23) at the end of the fixed base (9), and the output end of the second motor (24) is connected to the rotating shaft (25).
7. The wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 6, characterized in that, The slip ring (11) is provided with external teeth (22) on the outside, and the external teeth (22) mesh with the rotating teeth (26).
8. The wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 7, characterized in that, The opening direction of the U-shaped induction heating coil (8) is consistent with the opening direction of the fixed seat (9), and the opening width of the U-shaped induction heating coil (8) and the fixed seat (9) is greater than the thickness of the titanium alloy ring forging.
9. The wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 8, characterized in that, The scanning heating mechanism (1) also includes a central control system electrically connected to the thermal imager (13), the ranging sensor (14), the U-shaped induction heating coil (8), the first motor (16), and the second motor (24). The central control system is used to receive sensor data, construct the temperature field and three-dimensional contour model of the ring forging, generate heating control commands, and drive the various execution components to work together. The central control system has pre-stored the heat processing diagram data of titanium alloy material and is configured to compare the temperature data collected in real time by the thermal imager (13) with the safe processing range of the heat processing diagram. When the local temperature of the ring forging deviates from the safe range, the corresponding U-shaped induction heating coil (8) is controlled to perform dynamic energy compensation for the local area.
10. The working method of the wall thickness hot deformation control device based on titanium alloy ring forgings according to claim 9, characterized in that, The specific operational steps of this working method are as follows: Step 1: The robotic arm (2) picks up the hot titanium alloy ring forging from the upstream process. The robotic arm transports the ring forging and precisely places it in the central working area of the scanning heating mechanism (1), that is, the rotation center of the electric turntable (3). The titanium alloy ring forging is kept stable by the robotic arm at this station. Step 2: The first motor (16) starts, driving the turntable (17) to rotate. Through the guiding action of the guide rod (19) in the arc groove (18), all the slide blocks (6) move synchronously radially along the slide rail (5) until the fixed seat (9) on the slide block (6) passes through the titanium alloy ring forging and is adjusted to the preset scanning starting radius position. The second motor (24) starts, driving the rotating gear (26) to rotate through the rotating shaft (25), meshing with the external gear (22) on the slip ring (11), driving the slip ring (11) to slide along the guide groove (20). The slip ring (11) passes through the titanium alloy ring forging. The inner hole of the gold ring forging, and at this time the thermal imager (13) and the distance sensor (14) on the mounting plate (12) are facing the outer wall of the titanium alloy ring forging, the electric turntable (3) is started, driving the entire turntable (4) and all the slides (6) on it, the scanning and heating components to rotate slowly and uniformly around the titanium alloy ring forging. When the rotation encounters the clamping point between the robotic arm (2) and the titanium alloy ring forging, another robotic arm (2) clamps the titanium alloy ring forging, and the existing robotic arm (2) releases the clamping of the titanium alloy ring forging to avoid interference with the moving scanning and heating components; Step 3: The thermal imager (13) continuously captures infrared thermal images of the entire circumference of the titanium alloy ring forging, and processes them to synthesize a complete 360° temperature field distribution cloud map. The distance sensor (14) emits laser at a high frequency and receives the echo, recording the distance values from the sensor to each point on the surface of the ring forging. Combined with the precise angle encoder data of the turntable, the distance and angle data are converted into a three-dimensional contour coordinate point cloud of the ring forging surface. The collected temperature and geometric data are transmitted to the central control system in real time. The system software analyzes the data and calculates the real-time wall thickness distribution of each point on the circumference of the ring forging based on the contour point cloud of the inner and outer surfaces. The low temperature zone and high temperature zone are identified from the temperature field cloud map, and their precise angle positions are located. The measured temperature is compared with the pre-stored titanium alloy hot working map to determine whether the temperature of each area of the current ring forging is within the optimal plastic deformation or heat treatment window. Step 4: The central control system generates a control strategy based on the problems diagnosed in the second stage. The first motor (16) moves again to fine-tune the radial position of the slide (6) so that the U-shaped induction heating coil (8) is at the optimal heating distance. The electric turntable (3) rotates to rotate the slide (6) carrying the corresponding U-shaped induction heating coil (8) to the starting angle position of the target sector. The electric turntable (3) slowly drives the heating coil through the target sector. At the same time, the U-shaped induction heating coil (8) is energized and generates a high-frequency alternating magnetic field, which induces eddy currents in the target local area of the titanium alloy ring forging to generate Joule heat, thus achieving rapid and focused energy input. During the heating process, the thermal imager (13) can perform synchronous monitoring to achieve closed-loop feedback control of the temperature. After the local heating is completed, the global scanning process can be restarted to verify the control effect. After the control operation is completed, the robotic arm (2) moves again to remove the processed ring forging and transfer it to the next process.