Electrochemical-shear rheometry compound polishing device and method assisted by airflow and vibration

Abstract

This invention discloses an airflow and vibration-assisted electrochemical-shear rheology composite polishing device, comprising a worktable, a gantry frame, and a polishing assembly; the worktable and gantry frame form a frame; the polishing assembly is mounted on the frame and includes a workpiece clamping drive assembly and a polishing tank; each of the two side arms of the gantry frame has a slide rail, which slides in cooperation with the two ends of the worktable; a vibration device is mounted on the worktable; a set of nozzles is mounted on the polishing tank; an anode wire is mounted on the workpiece clamping drive assembly, and a cathode wire is mounted on the polishing tank. This airflow and vibration-assisted electrochemical-shear rheology composite polishing device has a specific structure that effectively prevents clogging at the blade root when polishing integral titanium alloy bladed disks, enabling efficient and uniform polishing of the integral titanium alloy bladed disks. Correspondingly, this invention also provides an airflow and vibration-assisted electrochemical-shear rheology composite polishing method.

Description

Technical Field

[0001] This invention relates to the field of polishing technology, specifically to an electrochemical-shear rheology composite polishing device and method assisted by airflow and vibration. Background Technology

[0002] Integral bladed disks (IBs) are a new type of structural component designed to meet the requirements of high-performance aero engines. They integrate the engine rotor blades and the disk into one unit, eliminating the need for tenons, mortises, and locking devices in traditional connections. This reduces structural weight and the number of parts, avoids airflow loss at the tenons, improves aerodynamic efficiency, and greatly simplifies the engine structure. They are now widely used in military and civilian aero engines in various countries.

[0003] Integral bladed disks (IBDs) operate under complex conditions of high temperature, high pressure, and high speed for extended periods, and their surface quality has a significant impact on the service performance and lifespan of aero-engines. Therefore, during the manufacturing process, polishing technology is needed to improve the surface quality of IBDs, control surface defects and scratches, and reduce surface roughness, thereby ensuring more stable operation of the IBDs.

[0004] Currently, surface finishing technologies for integral bladed disks include manual polishing, CNC polishing (CNC polishing wheel polishing, CNC belt polishing, robot-assisted polishing), abrasive flow polishing, magnetic abrasive grinding, tumbling finishing, and electrolytic machining. For titanium alloy integral bladed disks, manual polishing is currently the most common method. The final surface quality depends heavily on the worker's experience and skill, and the polishing rate is low, the labor intensity is high, and the processing quality is unstable. Furthermore, it is generally difficult to guarantee the uniformity of special locations such as the blade root and blade edge.

[0005] The principle of shear rheological polishing technology is that when there is relative motion between the polishing slurry and the workpiece, the polishing slurry and the workpiece surface area will undergo shear thickening due to shear stress, forming a "flexible fixed mold" that adheres to the surface, thereby achieving efficient material removal from complex surfaces.

[0006] Electrochemical composite shear thickening polishing has a good ability to conform to complex structures, enabling the polishing of complex structures, and its polishing efficiency is relatively higher than that of single shear thickening polishing. For example, Chinese patent CN201410436510.3 discloses an ultra-precision machining method based on the composite effect of non-Newtonian fluid shear thickening and electrolysis. By adding electrolyte components to the polishing slurry, after the workpiece is anodized to form an oxide layer, the oxide layer is removed by the force generated by the shear rheological polishing slurry in contact with the workpiece due to the shear thickening effect, thereby improving polishing efficiency and surface quality.

[0007] In the aforementioned existing technologies, it is difficult to achieve efficient polishing of integral titanium alloy bladed disks by simply relying on mechanical action to remove the shear rheology of the material. Although shear thickening and electrolytic composite polishing can generate an oxide layer with low hardness on the workpiece surface and improve polishing efficiency, for integral titanium alloy bladed disks with complex shapes, when the polishing fluid flows into the narrow area between the two blades, the flow of the polishing fluid will be inhibited due to the obstruction of the blades, especially in the narrow area at the blade root. This will reduce the intensity of the shear thickening effect, and at the same time, some thickening lumps are easily generated at the blade root. These will prevent the blade root area from being effectively polished, and thus the bladed disk cannot be polished efficiently and uniformly. Summary of the Invention

[0008] To address the shortcomings of existing technologies, this application provides an airflow and vibration-assisted electrochemical-shear rheology composite polishing apparatus. This apparatus has a specific structure that effectively prevents clogging at the blade root when polishing integral titanium alloy bladed disks, enabling efficient and uniform polishing. Correspondingly, this application also provides an airflow and vibration-assisted electrochemical-shear rheology composite polishing method.

[0009] The technical solution for the polishing device in this application is as follows:

[0010] An airflow and vibration-assisted electrochemical-shear rheology composite polishing device includes a worktable, a gantry frame, and a polishing assembly. The worktable and gantry frame form a machine frame. The polishing assembly, mounted on the machine frame, includes a workpiece clamping drive assembly and a polishing tank. The polishing tank holds polishing fluid. The workpiece clamping drive assembly clamps and drives the workpiece to rotate, applying shear force to the polishing fluid in the polishing tank. Each of the two side arms of the gantry frame has a slide rail, which slides into contact with both ends of a slide table. The workpiece clamping drive assembly is located below the slide table. A vibration device is mounted on the worktable to drive the slide table to reciprocate linearly along the slide rails. A set of nozzles is located at the bottom of the polishing tank, which can be connected to an external air outlet to spray airflow. The workpiece clamping drive assembly has an anode wire, and the polishing tank has a cathode wire, forming a circuit during polishing. This allows the workpiece surface to generate an oxide layer that is more easily removed than the substrate material under electrochemical action.

[0011] Compared with existing technologies, the airflow and vibration-assisted electrochemical-shear rheology composite polishing device of this application is equipped with a workpiece clamping and driving assembly for driving the workpiece to rotate and contact with the polishing liquid in the polishing tank, triggering the shear rheological effect of the polishing liquid, forming a shear thickening effect, and creating a flexible "fixed abrasive" that conforms to the blade shape of the workpiece for polishing. An anode wire is provided on the workpiece clamping and driving assembly, and a cathode wire is provided on the polishing tank, forming a circuit during polishing. This allows the workpiece surface to generate an oxide layer that is easier to remove than the base material under electrochemical action, improving polishing efficiency. Furthermore, a nozzle capable of ejecting airflow is provided at the bottom of the polishing tank. The air bubbles can agitate the polishing fluid in the polishing tank, preventing the abrasive particles in the polishing fluid from settling and making the polishing fluid more uniform. At the same time, when the ejected air bubbles come into contact with the workpiece surface, they burst, and the energy released by the bursting will impact the polishing fluid in the narrow space at the root of the workpiece blades, preventing it from clogging and forming thickened lumps, thereby improving the polishing effect at the root of the workpiece blades. In addition, the frame is equipped with a vibration device, which enables the workpiece to reciprocate linearly in the polishing fluid, further preventing the polishing fluid from clogging in the root area of ​​the workpiece blades, while enhancing the shear rheological effect of the polishing fluid, improving the material removal capacity and uniformity of the polishing fluid, thereby further improving the polishing effect.

[0012] As an optimization, in the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing device, the polishing assembly further includes a polishing tank driving device capable of driving the polishing tank to rotate. With this structure, the polishing tank driving device drives the polishing tank to rotate and controls the polishing tank and workpiece to rotate in opposite directions, thereby increasing the shear rheological effect of the polishing fluid and improving the polishing effect.

[0013] As an optimization, in the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing device, the polishing tank drive device includes a main shaft, a large pulley, a synchronous belt, a small pulley, and a polishing tank drive motor. The main shaft is connected to the polishing tank, the large pulley is mounted on the main shaft, and the small pulley is mounted on the drive shaft of the polishing tank drive motor. The large pulley and the small pulley are connected by a synchronous belt drive. The polishing tank drive motor is located inside the worktable. With this specific structure, the belt drive can effectively mitigate impact and vibration, reduce noise and vibration during equipment operation, and improve the stability and service life of the equipment. Furthermore, the structure is simple, installation and maintenance are relatively easy, and the cost is low, making it easy to promote.

[0014] As an optimization, in the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing device, the workpiece clamping and driving assembly includes a connecting bracket, and a reduction motor, a conductive slip ring, and a workpiece fixing shaft mounted on the connecting bracket. The connecting bracket is connected to the slide table; the reduction motor is driven by the workpiece fixing shaft, which is used to fix the workpiece; the conductive slip ring is sleeved on the workpiece fixing shaft, and the anode wire is electrically connected to the workpiece fixing shaft through the conductive slip ring. This structure ensures that the workpiece can rotate while providing stable support, and the conductive slip ring ensures stable and reliable circuit operation.

[0015] As an optimization, in the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing device, the bottom of the polishing tank is provided with channel A for arranging electrical wires and air pipes. The main shaft is hollow, and an electro-pneumatic rotating slip ring is provided inside. The cathode wire and the air pipe connected to the nozzle are led out through the electro-pneumatic rotating slip ring. The connecting bracket is provided with channel B for arranging electrical wires, and the anode wire is led out from channel B. With this structure, the anode wire, cathode wire, and air pipe are routed inside the equipment, which not only protects the electrical wires and air pipes but also improves aesthetics and facilitates widespread adoption.

[0016] As an optimization, in the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing device, multiple sets of workpiece clamping drive assemblies are evenly distributed circumferentially above the polishing tank. Using this structure, with multiple sets of workpiece clamping drive assemblies, multiple workpieces can be polished simultaneously, effectively improving the efficiency of batch processing.

[0017] As an optimization, in the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing device, a lifting ring is provided on the slide table; a pneumatic rod is provided on the crossbeam of the gantry frame, and the telescopic end of the pneumatic rod is hinged to a hook capable of hooking the lifting ring. With this structure, the pneumatic rod can lift the slide table to a higher position with the cooperation of the hook and the lifting ring, which is convenient for workers to change and install workpieces.

[0018] As an optimization, in the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing device, the vibration device is a cylinder. Using a cylinder to achieve the reciprocating motion of the slide is a vibratory method that is easy to control, has low cost, and can share an air source with the pneumatic rod, which is beneficial for implementation.

[0019] Regarding the polishing method, the technical solution of this application is as follows:

[0020] An airflow and vibration-assisted electrochemical-shear rheology composite polishing method, which uses the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing device of this application to polish an integral bladed disk, includes the following steps:

[0021] ①: Install the integral bladed disk to be processed onto the workpiece clamping drive assembly; and pour the polishing slurry into the polishing tank;

[0022] ② Start the workpiece clamping drive assembly to drive the integral bladed disk to rotate; the surface of the integral bladed disk moves relative to the polishing fluid, and the sharp peaks on the surface of the integral bladed disk apply a shearing action to the polishing fluid, triggering the shear rheological effect of the polishing fluid, causing particle clusters to form in the polishing fluid, enhancing the holding force on the abrasive grains, and forming a flexible "fixed abrasive" that fits the shape of the blades around the integral bladed disk.

[0023] ③: The anode and cathode wires are energized to form a circuit; due to the current tip effect, the charge is mainly concentrated in the peak area on the surface of the integral bladed disk, forming an easily removable oxide layer on the surface of the integral bladed disk;

[0024] ④: Turn on the air outlet to spray air from the nozzle; the airflow enters the polishing fluid, and the generated bubbles agitate the polishing fluid, preventing the abrasive particles in the polishing fluid from settling and making the polishing fluid more uniform. At the same time, when the bubbles come into contact with the surface of the integral bladed disk, they burst, and the energy released by the bursting will impact the polishing fluid in the narrow space at the root of the blades of the integral bladed disk, preventing it from clogging and forming thickened lumps.

[0025] ⑤: Start the vibration device to make the slide table reciprocate linearly, thereby causing the entire bladed disk to vibrate up and down in the polishing fluid;

[0026] ⑥: Stop processing after the processing time set by the process is reached.

[0027] Compared with the prior art, the airflow and vibration-assisted electrochemical-shear rheology composite polishing method of this application uses the airflow and vibration-assisted electrochemical-shear rheology composite polishing device of this application to polish the whole bladed disk according to specific steps, which can effectively prevent the clogging problem at the blade root of the whole bladed disk, so that the whole bladed disk can be polished efficiently and uniformly, and the polishing effect is good.

[0028] As an optimization, in the aforementioned airflow and vibration-assisted electrochemical-shear rheology composite polishing method, the polishing fluid is a non-Newtonian fluid, wherein the proportion of deionized water is 40wt.% to 50wt.%, the proportion of abrasive particles is 1wt.% to 10wt.%, the proportion of shear rheology dispersed phase is 45wt.% to 55wt.%, and the proportion of electrolyte is 1wt.% to 5wt.%; the abrasive particles are one or more mixtures of diamond, alumina, and silica sol, and the electrolyte is one or more mixtures of sodium nitrate, sodium sulfate, sodium chloride, and sodium glycolate. Attached Figure Description

[0029] Figure 1 This is a full cross-sectional view of the airflow and vibration-assisted electrochemical-shear rheology composite polishing device of this application;

[0030] Figure 2This is a partial structural schematic diagram of the airflow and vibration-assisted electrochemical-shear rheology composite polishing device of this application;

[0031] Figure 3 This is a full cross-sectional schematic diagram of a portion of the structure of the airflow and vibration-assisted electrochemical-shear rheology composite polishing device of this application;

[0032] Figure 4 This is a partial structural schematic diagram of the airflow and vibration-assisted electrochemical-shear rheology composite polishing device of this application;

[0033] Figure 5 This is a schematic diagram of the polishing principle of the airflow and vibration-assisted electrochemical-shear rheology composite polishing device of this application.

[0034] The labels in the attached diagram are as follows: 1-Workbench; 2-Gantry frame; 3-Polishing assembly; 301-Workpiece clamping drive assembly; 3011-Connecting bracket; 3012-Gear motor; 3013-Conductive slip ring; 3014-Workpiece fixing shaft; 302-Polishing tank; 3021-Sprayer; 3022-A channel; 303-Polishing tank drive device; 3031-Main shaft; 3032-Large pulley; 3033-Synchronous belt; 3034-Small pulley; 3035-Polishing tank drive motor; 3036-Pneumatic-electric rotary slip ring; 4-Polishing fluid; 401-Particle cluster; 5-Workpiece; 501-Base material; 502-Oxide layer; 6-Slide rail; 7-Slide table; 701-Lifting ring; 8-Vibration device; 9-Anode wire; 10-Cathode wire; 11-Pneumatic rod; 12-Hook; 13-Bubble. Detailed Implementation

[0035] The present application will be further described below with reference to the accompanying drawings and embodiments, but this should not be construed as limiting the scope of the application. Content not described in detail below is general technical knowledge. In the following embodiments, the processed workpiece 5 is a titanium alloy integral bladed disk.

[0036] Example (see) Figures 1-5 ):

[0037] An airflow and vibration-assisted electrochemical-shear rheology composite polishing device includes a worktable 1, a gantry frame 2, and a polishing assembly 3. The worktable 1 and the gantry frame 2 form a frame. The polishing assembly 3 is mounted on the frame and includes a workpiece clamping drive assembly 301 and a polishing tank 302. The polishing tank 302 is used to hold polishing fluid 4. The workpiece clamping drive assembly 301 is used to clamp and drive a workpiece 5 to rotate, so that the workpiece 5 applies shear force to the polishing fluid 4 in the polishing tank 302. Each of the two side arms of the gantry frame 2 is provided with a slide rail 6, and the two slide rails 6 are respectively connected to the two ends of the slide table 7. The workpiece clamping drive assembly 301 is located on the lower side of the slide table 7; the worktable 1 is equipped with a vibration device 8, which drives the slide table 7 to reciprocate linearly along the slide rail 6; the bottom of the polishing tank 302 is equipped with a set of nozzles 3021, which can be connected to an external air outlet to spray airflow; the workpiece clamping drive assembly 301 is equipped with an anode wire 9, and the polishing tank 302 is equipped with a cathode wire 10, which form a circuit during polishing, so that the surface of the workpiece 5 generates an oxide layer 502 that is easier to remove than the base material 501 under electrochemical action.

[0038] In this embodiment, the polishing assembly 3 further includes a polishing tank driving device 303, which can drive the polishing tank 302 to rotate. By setting the polishing tank driving device 303 to drive the polishing tank 302 to rotate and controlling the polishing tank 302 and the workpiece 5 to rotate towards each other, the shear rheological effect of the polishing fluid 4 is increased, thereby improving the polishing effect.

[0039] In this embodiment, the polishing tank drive device 303 includes a main shaft 3031, a large pulley 3032, a synchronous belt 3033, a small pulley 3034, and a polishing tank drive motor 3035. The main shaft 3031 is connected to the polishing tank 302. The large pulley 3032 is mounted on the main shaft 3031, and the small pulley 3034 is mounted on the drive shaft of the polishing tank drive motor 3035. The large pulley 3032 and the small pulley 3034 are connected by the synchronous belt 3033. The polishing tank drive motor 3035 is located inside the worktable 1. With this specific structure, belt drive can effectively mitigate impact and vibration, reduce noise and vibration during equipment operation, and improve the stability and service life of the equipment. Furthermore, the structure is simple, installation and maintenance are relatively easy, the cost is low, and it is easy to promote.

[0040] In this embodiment, the workpiece clamping drive assembly 301 includes a connecting bracket 3011, and a reduction motor 3012, a conductive slip ring 3013, and a workpiece fixing shaft 3014 mounted on the connecting bracket 3011. The connecting bracket 3011 is connected to the slide table 7. The reduction motor 3012 is drivenly connected to the workpiece fixing shaft 3014, which is used to fix the workpiece 5. The conductive slip ring 3013 is sleeved on the workpiece fixing shaft 3014, and the anode wire 9 is electrically connected to the workpiece fixing shaft 3014 through the conductive slip ring 3013. This specific structure, with the conductive slip ring 3013, ensures that the workpiece 5 can rotate while providing stable support; and the conductive slip ring 2013 ensures that the circuit can operate stably and reliably.

[0041] In this embodiment, the bottom of the polishing tank 302 is provided with a channel A 3022 for arranging wires and air pipes. The main shaft 3031 is hollow, and an electric rotary slip ring 3036 is provided inside. The cathode wire 10 and the air pipe connected to the nozzle 3021 are led out through the electric rotary slip ring 3036. The connecting bracket 3011 is provided with a channel B for arranging wires, and the anode wire 9 is led out from the channel B. With this structure, the anode wire 9, cathode wire 10, and air pipe can be routed inside the equipment, which not only protects the wires and air pipes but also has an aesthetic appeal, making it conducive to widespread adoption.

[0042] In this embodiment, four sets of workpiece clamping drive assemblies 301 are evenly distributed circumferentially above the polishing groove 302. Using this structure, with four sets of workpiece clamping drive assemblies 301, four workpieces 5 can be polished at once, effectively improving the efficiency of batch processing.

[0043] In this embodiment, the slide table 7 is provided with a lifting ring 701; the crossbeam of the gantry frame 2 is provided with a pneumatic rod 11, and the telescopic end of the pneumatic rod 11 is hinged to a hook 12 that can hook the lifting ring 701. With this structure, the pneumatic rod 11 can lift the slide table 7 to a higher position with the cooperation of the hook 12 and the lifting ring 701, which is convenient for workers to replace and install workpieces 5.

[0044] In this embodiment, the vibration device 8 is a cylinder. Using a cylinder to achieve the reciprocating motion of the slide 7 is a vibratory method. Cylinders are easy to control, pneumatic systems are low in cost, and they can share an air source with the pneumatic rod 11, which is beneficial for implementation.

[0045] In this embodiment, the specific steps for polishing the integral bladed disk using an airflow and vibration-assisted electrochemical-shear rheology composite polishing device are as follows:

[0046] ①: Install the integral impeller to be processed on the workpiece fixing shaft 3014 of the workpiece clamping drive assembly 301; pour the polishing liquid 4 into the polishing tank 302; start the polishing tank drive motor 3035 of the polishing tank drive device 303 to drive the polishing tank 302 to rotate;

[0047] ② The reduction motor 3012 of the workpiece clamping drive assembly 301 is started to drive the integral bladed disk to rotate; the surface of the integral bladed disk moves relative to the polishing fluid 4, and the sharp peaks on the surface of the integral bladed disk apply a shearing action to the polishing fluid 4, triggering the shear rheological effect of the polishing fluid 4, so that particle clusters 401 are formed in the polishing fluid 4, which enhances the holding force on the abrasive grains and forms a flexible "fixed abrasive" that fits the blade surface around the integral bladed disk.

[0048] ③: The anode wire 9 and the cathode wire 10 are energized to form a circuit; due to the current tip effect, the charge is mainly concentrated in the peak area of ​​the overall bladed disk surface, forming an oxide layer 502 on the overall bladed disk surface that is easier to remove than the base material 501.

[0049] ④: Open the air outlet device so that the nozzle 3021 sprays out airflow; the airflow enters the polishing liquid 4, and the generated bubbles 13 agitate the polishing liquid 4, preventing the abrasive particles in the polishing liquid 4 from settling and making the polishing liquid 4 more uniform. At the same time, when the bubbles 13 come into contact with the surface of the integral bladed disk, they burst. The energy released by the bursting will impact the polishing liquid 4 in the narrow space at the root of the blade of the integral bladed disk, preventing it from clogging and forming thickening lumps.

[0050] ⑤: Start the vibration device 8 to make the slide table 7 reciprocate linearly, thereby causing the entire bladed disk to vibrate up and down in the polishing liquid 4;

[0051] ⑥: Stop processing after the processing time set by the process is reached.

[0052] In this embodiment, the polishing fluid 4 is a non-Newtonian fluid, wherein the proportion of deionized water is 45 wt.%, the proportion of abrasive particles is 5 wt.%, the proportion of shear rheological dispersion is 48 wt.%, and the proportion of electrolyte is 2 wt.%; wherein the abrasive particles are 80 nm silica sol and the electrolyte is sodium nitrate.

[0053] In this embodiment, a polishing experiment was conducted on a φ100mm titanium alloy integral bladed disk (before processing, the surface roughness of the titanium alloy integral bladed disk was Ra500±50nm, and there were a large number of fine cutting lines on the surface, without obvious mirror effect). Four disks were polished at a time, with a processing time of 40 minutes, divided into two stages: the first stage processing was 10 minutes, and the second stage processing was 30 minutes. The processing parameters are shown in Table 1 below.

[0054] Table 1

[0055] workpiece φ100mm titanium alloy integral bladed disk Polishing liquid Shear rheology electropolishing solution Polishing tank speed 80r / min Workpiece rotation speed 10r / min Processing time 40min Voltage 30V Duty cycle 3 / 5 amplitude 5mm Vibration frequency 2Hz Gas flow rate 10m³ / h

[0056] Experiments show that after 10 minutes of polishing, the surface roughness of the titanium alloy integral bladed disk rapidly decreased to Ra300±20nm, the blade root surface was significantly improved, and the cutting marks were greatly reduced, with only some shallow cutting marks remaining. After another 30 minutes of polishing, the surface roughness of the titanium alloy integral bladed disk reached Ra50±10nm, the cutting marks on the blade root surface were almost non-existent, and the titanium alloy integral bladed disk exhibited a good mirror finish.

[0057] It should be noted that the airflow and vibration-assisted electrochemical-shear rheology composite polishing device and method of this application were developed for the polishing needs of titanium alloy integral bladed disks, but are not only applicable to the polishing of titanium alloy integral bladed disks, but can also be used to polish other parts with complex curved surfaces (the workpiece fixing shaft 3014 needs to be designed according to the structure of the workpiece to ensure stable clamping of the workpiece).

[0058] The foregoing general description of the invention and its specific embodiments should not be construed as a limitation on the technical solution of the invention. Those skilled in the art, based on the disclosure of this application, can add, reduce, or combine the disclosed technical features in the foregoing general description and / or specific embodiments (including examples) without departing from the constituent elements of the invention, to form other technical solutions within the scope of protection of this application.

Claims

1. An electrochemical-shear rheology composite polishing device assisted by airflow and vibration, characterized in that: The system includes a worktable (1), a gantry frame (2), and a polishing assembly (3); the worktable (1) and the gantry frame (2) form a frame; the polishing assembly (3) is mounted on the frame and includes a workpiece clamping drive assembly (301) and a polishing tank (302); the polishing tank (302) is used to hold polishing fluid (4); the workpiece clamping drive assembly (301) is used to clamp and drive the workpiece (5) to rotate, so that the workpiece (5) applies shear force to the polishing fluid (4) in the polishing tank (302); each of the two side arms of the gantry frame (2) is provided with a slide rail (6), and the two slide rails (6) are respectively slidably engaged with the two ends of the slide table (7); the workpiece The clamping drive assembly (301) is located on the lower side of the slide table (7); the worktable (1) is provided with a vibration device (8) for driving the slide table (7) to reciprocate linearly along the slide rail (6); the bottom of the polishing tank (302) is provided with a set of nozzles (3021), which can be connected to an external air outlet to spray airflow; the workpiece clamping drive assembly (301) is provided with an anode wire (9), and the polishing tank (302) is provided with a cathode wire (10), which forms a circuit during polishing, so that the surface of the workpiece (5) generates an oxide layer (502) that is easier to remove than the base material (501) under electrochemical action. The polishing assembly (3) also includes a polishing tank drive device (303), which includes a spindle (3031); the polishing tank drive device (303) can drive the polishing tank (302) to rotate and control the polishing tank (302) and the workpiece (5) to rotate in opposite directions; The workpiece clamping drive assembly (301) includes a connecting bracket (3011), and a geared motor (3012), a conductive slip ring (3013), and a workpiece fixing shaft (3014) mounted on the connecting bracket (3011); the connecting bracket (3011) is connected to the slide table (7); the geared motor (3012) is connected to the workpiece fixing shaft (3014) for transmission, and the workpiece fixing shaft (3014) is used to fix the workpiece (5); the conductive slip ring (3013) is sleeved on the workpiece fixing shaft (3014), and the anode wire (9) is electrically connected to the workpiece fixing shaft (3014) through the conductive slip ring (3013); The bottom of the polishing tank (302) is provided with an A channel (3022) for arranging wires and air pipes. The main shaft (3031) is hollow and has a pneumatic rotary slip ring (3036) inside. The cathode wire (10) and the air pipe connected to the nozzle (3021) are led out through the pneumatic rotary slip ring (3036). The inside of the connecting bracket (3011) is provided with a B channel for arranging wires. The anode wire (9) is led out from the B channel. The slide (7) is provided with a lifting ring (701); the crossbeam of the gantry (2) is provided with a pneumatic rod (11), and the telescopic end of the pneumatic rod (11) is hinged with a hook (12) that can hook the lifting ring (701); the pneumatic rod (11) can lift the slide (7) with the cooperation of the hook (12) and the lifting ring (701).

2. The airflow and vibration-assisted electrochemical-shear rheology composite polishing device according to claim 1, characterized in that: The polishing tank drive device (303) further includes a large pulley (3032), a synchronous belt (3033), a small pulley (3034), and a polishing tank drive motor (3035); the main shaft (3031) is connected to the polishing tank (302), the large pulley (3032) is located on the main shaft (3031), the small pulley (3034) is located on the drive shaft of the polishing tank drive motor (3035), the large pulley (3032) and the small pulley (3034) are connected by a synchronous belt (3033), and the polishing tank drive motor (3035) is located inside the worktable (1).

3. The airflow and vibration-assisted electrochemical-shear rheology composite polishing device according to claim 2, characterized in that: There are multiple sets of the workpiece clamping drive assembly (301), which are evenly distributed circumferentially above the polishing groove (302).

4. The airflow and vibration-assisted electrochemical-shear rheology composite polishing device according to any one of claims 1-3, characterized in that: The vibration device (8) is a cylinder.

5. An electrochemical-shear rheology composite polishing method assisted by airflow and vibration, characterized in that: This method uses the airflow and vibration-assisted electrochemical-shear rheology composite polishing device of claim 1 to polish the integral bladed disk, specifically including the following steps: ①: Install the integral bladed disk to be processed onto the workpiece clamping drive assembly (301); and pour the polishing liquid (4) into the polishing tank (302); ② Start the workpiece clamping drive assembly (301) to drive the integral bladed disk to rotate; the surface of the integral bladed disk moves relative to the polishing liquid (4), and the sharp peaks on the surface of the integral bladed disk apply shearing action to the polishing liquid (4), triggering the shear rheological effect of the polishing liquid (4), causing particle clusters (401) to form in the polishing liquid (4), enhancing the holding force on the abrasive grains, and forming a flexible "fixed abrasive" that fits the blade surface around the integral bladed disk; ③: The anode wire (9) and cathode wire (10) are energized to form a circuit; due to the current tip effect, the charge is mainly concentrated in the peak area of ​​the overall bladed disk surface, forming an easily removable oxide layer (502) on the overall bladed disk surface. ④: Open the air outlet device so that the nozzle (3021) sprays out airflow; the airflow enters the polishing liquid (4), and the generated bubbles (13) agitate the polishing liquid (4), preventing the abrasive particles in the polishing liquid (4) from settling, making the polishing liquid (4) more uniform. At the same time, the bubbles (13) break when they come into contact with the surface of the integral bladed disk, and the energy released by the breakage will impact the polishing liquid (4) in the narrow space at the root of the blade of the integral bladed disk, preventing it from clogging and forming thickening lumps; ⑤: Start the vibration device (8) to make the slide (7) reciprocate linearly, thereby making the whole bladed disk vibrate up and down in the polishing liquid (4); ⑥: Stop processing after the processing time set by the process is reached.

6. The airflow and vibration-assisted electrochemical-shear rheology composite polishing method according to claim 5, characterized in that: The polishing fluid (4) is a non-Newtonian fluid, wherein the proportion of deionized water is 40wt.% to 50wt.%, the proportion of abrasive particles is 1wt.% to 10wt.%, the proportion of shear rheological dispersed phase is 45wt.% to 55wt.%, and the proportion of electrolyte is 1wt.% to 5wt.%; the abrasive particles are one or more mixtures of diamond, alumina, and silica sol, and the electrolyte is one or more mixtures of sodium nitrate, sodium sulfate, sodium chloride, and sodium glycolate.

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