Ultrafine grinding method for titanium alloy through anti-radar stealth technology

Abstract

The invention relates to the field of titanium alloy grinding, in particular to a titanium alloy anti-radar stealth technology superfinishing grinding method which comprises the following steps that a titanium alloy workpiece is placed on a feeding mechanism, the titanium alloy workpiece is conveyed to a grinding base installed on a workbench along with the feeding mechanism, and then a clamping mechanism is started to fix the titanium alloy workpiece; dry rough grinding is carried out, a precise pneumatic grinding instrument is used for attaching a rough grinding sheet, a machine switch is turned on, and rough grinding is carried out till no machining knife lines exist on the surface; semi-fine grinding: attaching a fine grinding sheet by using a precision pneumatic vibration instrument, turning on a machine switch, and performing fine grinding until the observation surface of the magnifying lens has no coarse grains; coarse wet grinding is conducted, specifically, a precise pneumatic vibration instrument is used for being attached with a fine grinding sheet, and special wet grinding liquid is prepared till the wet grinding surface is slightly darkened; fine polishing is conducted, a precise pneumatic polishing instrument is used for being attached with a plant fiber grinding sheet, special polishing paraffin is configured, and the polished surface gradually becomes bright from dark. The problem that the grinding quality of the surface of the titanium alloy workpiece is poor is solved.

Description

Technical Field

[0001] This invention relates to the field of titanium alloy grinding, and in particular to a method for ultra-precision grinding of titanium alloys for anti-radar stealth technology. Background Technology

[0002] Titanium alloy grinding is an ultra-precision machining technology that combines mechanical action with chemical assistance. Targeting the physicochemical properties of titanium alloys (high reactivity, low thermal conductivity, and strong adhesion tendency), it uses superhard abrasives (such as diamond and cubic boron nitride) and special process control to achieve surface treatment processes that reconstruct the microstructure and functionalize the surface.

[0003] In related technologies, the grinding method for titanium alloys includes the following steps: First, a worker uses a handheld cleaning brush to clean the worktable on which the titanium alloy workpiece is placed; then, the worker uses a forklift or conveyor to place the titanium alloy workpiece on the processing position of the worktable; subsequently, multiple clamping cylinders on the worktable are simultaneously activated, each clamping cylinder driving the clamping plates to move towards the center, thus simultaneously fixing the titanium alloy workpiece; then, the worker uses a handheld grinding machine to grind the surface of the titanium alloy workpiece, while simultaneously injecting grinding fluid into the surface of the titanium alloy workpiece to reduce the temperature between the titanium alloy workpiece and the grinding machine; after the titanium alloy workpiece is ground, it is removed from the worktable, and the above operation is repeated.

[0004] Regarding the aforementioned technologies, in the process of grinding titanium alloy workpieces, the grinding efficiency is low when the grinding method is carried out solely by the worker using a handheld grinding machine, and the grinding quality of the titanium alloy workpiece surface is also inconsistent. Summary of the Invention

[0005] To address the problem of poor grinding quality on the surface of titanium alloy workpieces, this invention provides a method for ultra-precision grinding of titanium alloys for anti-radar stealth technology.

[0006] The present invention provides a method for ultra-precision grinding of titanium alloy for anti-radar stealth technology, which adopts the following technical solution: A method for ultra-precision grinding of titanium alloy for radar-resistant stealth technology includes the following steps: The titanium alloy workpiece is placed on the feeding mechanism and conveyed to the grinding seat installed on the worktable. Then the clamping mechanism is activated to fix the titanium alloy workpiece. Dry coarse grinding: Use a precision pneumatic grinder with a coarse grinding disc, turn on the machine, and coarse grind until there are no tool marks on the surface; Semi-fine grinding: Use a precision pneumatic vibratory vibrator with a fine grinding disc, turn on the machine, and fine grind until the surface is free of rough lines when observed with a magnifying glass; Coarse wet grinding: Use a precision pneumatic vibratory vibrator with a fine grinding disc and prepare a special wet grinding liquid until the wet-ground surface is slightly darkened. Fine polishing is performed using a precision pneumatic polisher with plant fiber abrasive discs and a special polishing wax, which gradually brightens the polished surface from dark to shiny. Ultra-fine grinding uses a precision high-frequency vibration grinder with animal fiber grinding discs and a special oil-based grinding agent. The ground surface gradually absorbs light and becomes invisible.

[0007] Preferably, a rotating seat is rotatably mounted on the worktable, and multiple grinding seats are provided and fixedly connected to the rotating seat. The multiple grinding seats are evenly distributed in a circle around the axis of the rotating seat. A cleaning mechanism is provided on the grinding seat. The cleaning mechanism includes a cleaning top plate that is slidably connected to the grinding seat. A cleaning plate is installed below the cleaning top plate. A cleaning sponge that contacts the titanium alloy workpiece is sleeved on the cleaning plate. A drive mechanism for driving the cleaning top plate to move is installed on the grinding seat.

[0008] Preferably, a cleaning airbag and a telescopic baffle are fixedly connected between the cleaning top plate and the cleaning plate. The cleaning plate is made of flexible material. An air pump is fixedly connected to the grinding seat. An air jet pipe is fixedly connected to the cleaning top plate. The nozzle of the air jet pipe faces the titanium alloy workpiece. The air outlet of the air pump is connected to the air jet pipe and the cleaning airbag through pipes. An exhaust valve is provided on the cleaning airbag.

[0009] Preferably, the driving mechanism includes a cleaning reciprocating screw rotatably mounted on a grinding base, the cleaning reciprocating screw being threadedly connected to a cleaning top plate, a connecting plate fixedly connected to the grinding base, a first rotating shaft rotatably mounted on the connecting plate, an arc-shaped rack fixedly connected to the worktable, a first gear meshing with the arc-shaped rack fixedly connected to the first rotating shaft, a second rotating shaft rotatably mounted on the grinding base, the second rotating shaft being connected to the first rotating shaft via a conveyor belt, and a third rotating shaft mounted on the second rotating shaft, the third rotating shaft being connected to the cleaning reciprocating screw.

[0010] Preferably, a cleaning mechanism is installed on the grinding base. The cleaning mechanism includes a cleaning plate disposed on the grinding base. The bottom of the cleaning plate is in contact with the surface of the grinding base. A cleaning sponge is sleeved on the cleaning plate. A transmission component for driving the cleaning plate to move is installed on the grinding base.

[0011] Preferably, the transmission component includes a cleaning reciprocating screw rotatably mounted on the grinding seat, the cleaning reciprocating screw being threadedly connected to the cleaning plate, the third rotating shaft being slidably connected to the second rotating shaft, a third gear being fixedly connected to the third rotating shaft, a cleaning gear meshing with the third gear being fixedly connected to the cleaning reciprocating screw, and a cleaning gear being fixedly connected to the cleaning reciprocating screw. When the third gear is separated from the cleaning gear, the third gear meshes with the cleaning gear. The grinding seat is equipped with a moving mechanism for driving the third rotating shaft to move.

[0012] Preferably, a cleaning agent storage tank is fixedly connected to the grinding base, and a water spray pipe is fixedly connected to the cleaning plate. The nozzle of the water spray pipe faces the grinding base, and the cleaning agent storage tank and the water spray pipe are connected through a water inlet pipe, on which a sealing component is installed.

[0013] Preferably, the sealing component includes a sealing shaft rotatably mounted in the water inlet pipe, a sealing plate fixedly connected to the sealing shaft, the sealing shaft extending to the outside of the water inlet pipe and fixedly connected to a sealing gear, and two unidirectional racks, both capable of meshing with the sealing gear, fixedly connected to the grinding seat.

[0014] Preferably, the grinding base has an installation groove, and the moving mechanism includes a moving spring fixedly connected to the bottom surface of the installation groove and a moving block slidably installed in the installation groove. The moving spring is fixedly connected to the moving block, and the top of the moving block is formed with a hemispherical surface that abuts against the titanium alloy workpiece. A sliding groove is formed on the inner wall of the installation groove. A moving plate is slidably installed on the grinding base. The moving plate is rotatably connected to a third rotating shaft and extends into the sliding groove. A moving rod fixedly connected to the moving plate passes through the sliding groove. An inclined surface that contacts the moving block is formed on the end face of the moving rod. A first spring is fixedly connected between the moving rod and the inner wall of the installation groove.

[0015] Preferably, the clamping mechanism includes a clamping cylinder fixedly connected to the grinding base and a clamping plate fixedly connected to the extended end of the clamping cylinder.

[0016] In summary, the present invention has at least the following beneficial technical effects: 1. When grinding titanium alloy workpieces, the workpiece is first placed on the feeding mechanism and conveyed to the grinding base. Then, the clamping mechanism is activated to fix the workpiece. The workpiece is then subjected to dry rough grinding, semi-fine grinding, rough wet grinding, fine polishing, and ultra-fine grinding, which enables the surface of the titanium alloy workpiece to achieve the effect of radar stealth and solves the problem of poor grinding quality of the titanium alloy workpiece surface. 2. Start the drive mechanism, which moves the cleaning top plate, which in turn moves the cleaning plate. The cleaning sponge on the cleaning plate can wipe away the debris and grinding fluid from the surface of the titanium alloy workpiece, making it easier for the operator to operate and improving the grinding effect of the titanium alloy workpiece. 3. During the movement of the cleaning top plate, the cleaning top plate moves the jet pipe, and at the same time, the air pump inflates the jet pipe and sprays air from the nozzle on the jet pipe to blow air onto the surface of the titanium alloy workpiece, making the surface of the titanium alloy workpiece cleaner. The air pump can also inflate the cleaning airbag, so that the cleaning plate adheres to the surface of the titanium alloy workpiece. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the workbench according to an embodiment of the present invention.

[0018] Figure 2 This is a schematic diagram of the structure of the grinding seat according to an embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of the drive mechanism according to an embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of the transmission component according to an embodiment of the present invention.

[0021] Figure 5 This is a schematic diagram of the cleaning mechanism according to an embodiment of the present invention.

[0022] Figure 6 This is a schematic diagram of the cleaning mechanism according to an embodiment of the present invention.

[0023] Figure 7 This is a schematic diagram of the structure of a unidirectional rack according to an embodiment of the present invention.

[0024] Figure 8 This is a schematic diagram of the structure of the moving mechanism according to an embodiment of the present invention.

[0025] Explanation of reference numerals in the attached drawings: 1. Worktable; 11. Grinding seat; 12. Rotary seat; 2. Clamping mechanism; 21. Clamping cylinder; 22. Clamping plate; 3. Cleaning mechanism; 31. Cleaning top plate; 32. Cleaning airbag; 33. Cleaning plate; 34. Telescopic stop bar; 35. Air jet pipe; 4. Drive mechanism; 41. Cleaning reciprocating screw; 411. Cleaning gear; 42. First rotating shaft; 421. First gear; 43. Arc-shaped rack; 44. 45. Second rotating shaft; 45. Third rotating shaft; 451. Third gear; 5. Cleaning mechanism; 51. Cleaning plate; 52. Cleaning reciprocating screw; 521. Cleaning gear; 53. Cleaning agent storage tank; 54. Water spray pipe; 55. Water inlet pipe; 56. Sealing shaft; 561. Sealing gear; 57. One-way rack; 6. Moving mechanism; 61. Moving spring; 62. Moving block; 63. Moving plate; 64. Moving rod; 65. First spring. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1 - Appendix Figure 8 The present invention will be described in further detail below.

[0027] This invention discloses a method for ultra-precision grinding of titanium alloys for radar-resistant stealth technology. (Refer to...) Figure 1 and Figure 2 This includes the following steps: S1. Place the titanium alloy workpiece on the feeding mechanism. The titanium alloy workpiece is conveyed by the feeding mechanism to the grinding seat 11 installed on the worktable 1. Then, start the clamping mechanism 2 to fix the titanium alloy workpiece. S2. Dry coarse grinding: Use the coarse grinding discs attached to the precision pneumatic grinder to lay them on, so that the grinding discs are "attached" to the pneumatic polishing disc. Turn on the machine spindle switch and coarse grind until there are no tool marks on the surface. S3, semi-fine grinding: use a precision pneumatic vibratory polisher with a fine grinding disc attached to it, so that the grinding disc is "attached" to the vibratory polishing disc. Turn on the machine spindle and fine grind until the surface is free of rough lines when observed with a magnifying glass. S4. Coarse wet grinding: A precision pneumatic vibratory polisher with attached fine grinding discs is used to "stick" the discs to the vibratory polishing disc. A special wet grinding liquid is prepared. After 180 minutes of wet grinding, the surface will be slightly darkened, and the roughness will usually be below 0.4. S5. Rough polishing: Use a precision pneumatic polisher with attached plant fiber abrasive pads to "stick" the pads to the pneumatic polishing disc. Apply a special polishing wax and polish for 120 minutes. The surface will gradually become brighter from dark. S6. Medium polishing: Use a precision pneumatic polisher with attached plant fiber abrasive pads to "stick" the pads to the pneumatic polishing disc. Apply a special polishing wax and polish for 200 minutes. The surface will gradually become brighter from dark. S7. Fine polishing: The plant fiber abrasive pads attached to the precision pneumatic polisher are laid out, so that the abrasive pads are "attached" to the pneumatic polishing disc. Special polishing wax is applied, and after 250 minutes of polishing, the surface gradually becomes brighter from dark. S8. Coarse grinding: Use a precision high-frequency vibration grinder with attached animal fiber grinding discs to "stick" the discs to the pneumatic polishing disc. Apply a special grease-based grinding compound. After 300 minutes of grinding, the surface gradually darkens from shiny. S9, Medium Grinding: Use a precision high-frequency vibration grinder with attached animal fiber grinding discs to "stick" the discs to the pneumatic polishing disc. Apply a special grease-based grinding compound. After 380 minutes of grinding, the surface gradually changes from shiny to matte. S10, Ultra-fine Grinding: Using a precision high-frequency vibration grinder with attached animal fiber grinding discs, the grinding discs are "attached" to the pneumatic polishing disc. A special grease-based grinding agent is used, and after 450 minutes of grinding, the surface gradually absorbs light and becomes invisible from a matte finish.

[0028] Titanium alloy workpieces undergo various grinding steps, including dry rough grinding, semi-fine grinding, rough wet grinding, semi-wet grinding, rough polishing, medium polishing, fine polishing, rough grinding, medium grinding, and ultra-fine grinding, which enables the surface of titanium alloy workpieces to achieve anti-radar stealth effect and solves the problem of poor grinding quality of titanium alloy workpiece surfaces.

[0029] Reference Figures 1 to 2 A mounting frame is fixedly connected to the worktable 1. The pneumatic grinder, pneumatic vibrator, pneumatic polisher, and vibratory grinder are all connected to the mounting frame through an adjustment mechanism. The adjustment mechanism includes an X-axis adjustment component, a Y-axis adjustment component, and a Z-axis adjustment component. A feeding mechanism is provided on one side of the worktable 1, and a unloading mechanism is provided on the other side of the worktable 1. A unloading cylinder corresponding to the unloading mechanism is fixedly connected to the worktable 1. The extended end of the unloading cylinder is fixedly connected to an unloading plate for pushing the titanium alloy workpiece.

[0030] Reference Figures 2 to 5A rotating seat 12 is rotatably mounted on the workbench 1. A rotary motor is fixedly connected to the bottom of the workbench 1, which drives the rotating seat 12 to rotate. Multiple grinding seats 11 are provided and fixedly connected to the rotating seat 12. The multiple grinding seats 11 are evenly distributed in a circle around the axis of the rotating seat 12. A cleaning mechanism 3 is provided on the grinding seat 11. The cleaning mechanism 3 includes a cleaning top plate 31 that is slidably connected to the grinding seat 11. A cleaning plate 33 is installed below the cleaning top plate 31. A cleaning sponge that contacts the titanium alloy workpiece is sleeved on the cleaning plate 33. A drive mechanism 4 is installed on the grinding seat 11 to drive the cleaning top plate 31 to move. When the drive mechanism 4 is activated, the drive mechanism 4 drives the cleaning top plate 31 to move, and the cleaning top plate 31 drives the cleaning plate 33 to move. The cleaning sponge on the cleaning plate 33 can wipe away the debris and grinding fluid on the surface of the titanium alloy workpiece, which is convenient for the operator and improves the grinding effect of the titanium alloy workpiece.

[0031] Reference Figures 3 to 5 A cleaning airbag 32 and a telescopic baffle 34 are fixedly connected between the cleaning top plate 31 and the cleaning plate 33. The cleaning plate 33 is made of flexible material. An air pump is fixedly connected to the grinding seat 11. An air jet pipe 35 is fixedly connected to the cleaning top plate 31. The nozzle of the air jet pipe 35 faces the titanium alloy workpiece. The air outlet of the air pump is connected to the air jet pipe 35 and the cleaning airbag 32 through pipes. An exhaust valve is provided on the cleaning airbag 32. During the movement of the cleaning top plate 31, the cleaning top plate 31 drives the air jet pipe 35 to move. At the same time, the air pump inflates the air jet pipe 35 and sprays air from the nozzle on the air jet pipe 35 to blow air onto the surface of the titanium alloy workpiece, making the surface of the titanium alloy workpiece cleaner. The air pump can also inflate the cleaning airbag 32, so that the cleaning plate 33 adheres to the surface of the titanium alloy workpiece.

[0032] Reference Figures 2 to 4The drive mechanism 4 includes a cleaning reciprocating screw 41 rotatably mounted on the grinding seat 11, the cleaning reciprocating screw 41 being threadedly connected to the cleaning top plate 31, a connecting plate 111 fixedly connected to the grinding seat 11, a first rotating shaft 42 rotatably mounted on the connecting plate 111, an arc-shaped rack 43 fixedly connected to the worktable 1, a first gear 421 fixedly connected to the first rotating shaft 42 meshing with the arc-shaped rack 43, a second rotating shaft 44 rotatably mounted on the grinding seat 11, the second rotating shaft 44 being connected to the first rotating shaft 42 via a conveyor belt, and a third rotating shaft 45 mounted on the second rotating shaft 44. 5. Connected to the cleaning reciprocating screw 41; when the rotating seat 12 drives the grinding seat 11 to rotate to the next process, the grinding seat 11 drives the first gear 421 to move. Since the first gear 421 meshes with the arc rack 43, the arc rack 43 drives the first gear 421 to rotate. The first gear 421 drives the first rotating shaft 42 to rotate. The first rotating shaft 42 drives the second rotating shaft 44 to rotate. The second rotating shaft 44 drives the third rotating shaft 45 to rotate. The third rotating shaft 45 drives the cleaning reciprocating screw 41 to rotate. The cleaning reciprocating screw 41 drives the cleaning top plate 31 to move.

[0033] Reference Figures 3 to 6 A cleaning mechanism 5 is installed on the grinding base 11. The cleaning mechanism 5 includes a cleaning plate 51 set on the grinding base 11. The bottom of the cleaning plate 51 contacts the surface of the grinding base 11. A cleaning sponge is sleeved on the cleaning plate 51. A transmission component for driving the cleaning plate 51 to move is installed on the grinding base 11. When the titanium alloy workpiece is removed from the grinding base 11, the transmission component is activated. The transmission component drives the cleaning plate 51 to move. The cleaning plate 51 cleans the impurities and grinding fluid on the surface of the grinding base 11, which facilitates the operation of the operator and improves the grinding effect of the titanium alloy workpiece.

[0034] Reference Figures 3 to 7The transmission components include a cleaning reciprocating screw 52 rotatably mounted on the grinding seat 11, the cleaning reciprocating screw 52 being threadedly connected to the cleaning plate 51, a third rotating shaft 45 being slidably connected to the second rotating shaft 44, a third gear 451 being fixedly connected to the third rotating shaft 45, a cleaning gear 411 being fixedly connected to the cleaning reciprocating screw 41 and meshing with the third gear 451, and a cleaning gear 521 being fixedly connected to the cleaning reciprocating screw 52. When the third gear 451 is disengaged from the cleaning gear 411, the third gear 451 meshes with the cleaning gear 521. A moving mechanism 6 is installed on the grinding base 11 to drive the third rotating shaft 45 to move. When the titanium alloy workpiece is removed from the grinding base 11, the moving mechanism 6 is activated, thereby driving the third rotating shaft 45 to move. The third rotating shaft 45 drives the third gear 451 to move, so that the third gear 451 is separated from the cleaning gear 411 and meshes with the sweeping gear 521. The third gear 451 drives the sweeping gear 521 to rotate, the sweeping gear 521 drives the sweeping reciprocating screw 52 to rotate, and the sweeping reciprocating screw 52 drives the sweeping plate 51 to move.

[0035] Reference Figures 3 to 7 A cleaning agent storage tank 53 is fixedly connected to the grinding base 11, and a water spray pipe 54 is fixedly connected to the cleaning plate 51. The nozzle of the water spray pipe 54 faces the grinding base 11. The cleaning agent storage tank 53 and the water spray pipe 54 are connected by a water inlet pipe 55, and a sealing component is installed on the water inlet pipe 55. During the movement of the cleaning plate 51, the cleaning plate 51 drives the water spray pipe 54 to move. At the same time, the sealing component opens, and the cleaning agent in the cleaning agent storage tank 53 flows into the water spray pipe 54 through the water inlet pipe 55 and is sprayed onto the grinding base 11. When the cleaning plate 51 moves in the opposite direction, the cleaning agent can be cleaned, making the grinding base 11 cleaner.

[0036] Reference Figures 4 to 7 The sealing component includes a sealing shaft 56 rotatably mounted in the inlet pipe 55, a sealing plate fixedly connected to the sealing shaft 56, the sealing shaft 56 extending to the outside of the inlet pipe 55 and fixedly connected to a sealing gear 561, and two one-way racks 57, both capable of meshing with the sealing gears 561, fixedly connected to the grinding base 11. Each one-way rack 57 includes a toothed plate fixedly connected to the grinding base 11, with multiple teeth hinged to the toothed plate, and a hinge shaft installed in the teeth located at the teeth. On one side, a torsion spring is fitted on the hinge shaft installed in the teeth; during the process of the cleaning plate 51 driving the water spray pipe 54 to move forward, the water spray pipe 54 drives the sealing gear 561 to move. At this time, the one-way rack 57 drives the sealing gear 561 to rotate, so that the sealing plate opens. When the water spray pipe 54 moves to the end of the grinding seat 11, the sealing gear 561 meshes with another one-way rack 57. The one-way rack 57 drives the sealing gear 561 to continue to rotate, sealing the water inlet pipe 55.

[0037] Reference Figures 4 to 8 The grinding base 11 has a mounting groove. The moving mechanism 6 includes a moving spring 61 fixedly connected to the bottom surface of the mounting groove and a moving block 62 slidably installed in the mounting groove. The moving spring 61 is fixedly connected to the moving block 62. The top of the moving block 62 is formed with a hemispherical surface and abuts against the titanium alloy workpiece. A sliding groove is provided on the inner wall of the mounting groove. A moving plate 63 is slidably installed on the grinding base 11. The moving plate 63 is rotatably connected to the third rotating shaft 45 and extends into the sliding groove. A moving plate 63 fixedly connected to the moving plate 63 passes through the sliding groove. The moving rod 64 has an inclined surface formed on its end face that contacts the moving block 62. A first spring 65 is fixedly connected between the moving rod 64 and the inner wall of the mounting groove. When the titanium alloy workpiece is placed on the grinding seat 11, the titanium alloy workpiece presses the moving block 62. The moving block 62 pushes the moving rod 64 to move through the inclined surface. The moving rod 64 drives the moving plate 63 to move. The moving plate 63 drives the third rotating shaft 45 to move, so that the third gear 451 meshes with the cleaning gear 411 and separates from the sweeping gear 521.

[0038] Reference Figure 3 The clamping mechanism 2 includes multiple clamping cylinders 21 fixedly connected to the grinding base 11. Each clamping cylinder 21 has a clamping plate 22 fixedly connected to its extended end. When the clamping cylinder 21 is activated, it drives the clamping plate 22 to move, and the clamping plate 22 can fix the titanium alloy.

[0039] The implementation principle of the ultra-precision grinding method for titanium alloy anti-radar stealth technology in this embodiment of the invention is as follows: When grinding a titanium alloy workpiece, the workpiece is first placed on the feeding mechanism, and then conveyed to the grinding seat 11 by the feeding mechanism. Then, the clamping cylinder 21 is activated, which drives the clamping plate 22 to move, fixing the titanium alloy workpiece. Then, the titanium alloy workpiece undergoes dry rough grinding, semi-fine grinding, rough wet grinding, fine polishing, and ultra-precision grinding. After the titanium alloy workpiece has passed through one of these processes, the rotating seat 12 drives the grinding seat 11 to rotate, and the grinding seat 11 drives the first gear 421 to move. Since the first gear 421 meshes with the arc-shaped rack 43, the arc-shaped rack 43 drives the first gear 421 to rotate, and the first gear 421 drives the third rotating shaft 45 to rotate. The third rotating shaft 45 drives the cleaning... The reciprocating screw 41 rotates, which drives the cleaning plate 33 to move. The cleaning sponge on the cleaning plate 33 can wipe away the debris and polishing fluid from the surface of the titanium alloy workpiece. After the titanium alloy workpiece is processed, it is removed. The moving spring 61 pushes the moving block 62 to extend. The first spring 65 drives the moving rod 64 to move. The moving rod 64 drives the moving plate 63 to move. The moving plate 63 drives the third rotating shaft 45 to move, so that the third gear 451 separates from the cleaning gear 411 and meshes with the sweeping gear 521. The rotating seat 12 continues to rotate. The third gear 451 drives the sweeping gear 521 to rotate. The sweeping gear 521 drives the cleaning reciprocating screw 52 to rotate. The cleaning reciprocating screw 52 drives the sweeping plate 51 to move. The sweeping plate 51 cleans the impurities and polishing fluid on the surface of the grinding seat 11.

[0040] The above are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A method for ultra-precision grinding of titanium alloy for anti-radar stealth technology, characterized in that, Includes the following steps: The titanium alloy workpiece is placed on the feeding mechanism and conveyed to the grinding seat (11) installed on the worktable (1) by the feeding mechanism. Then the clamping mechanism (2) is started to fix the titanium alloy workpiece. Dry coarse grinding: Use a precision pneumatic grinder with a coarse grinding disc, turn on the machine, and coarse grind until there are no tool marks on the surface; Semi-fine grinding: Use a precision pneumatic vibratory vibrator with a fine grinding disc, turn on the machine, and fine grind until the surface is free of rough lines when observed with a magnifying glass; Coarse wet grinding: Use a precision pneumatic vibratory vibrator with a fine grinding disc and prepare a special wet grinding liquid until the wet-ground surface is slightly darkened. Fine polishing is performed using a precision pneumatic polisher with plant fiber abrasive discs and a special polishing wax, which gradually brightens the polished surface from dark to shiny. Ultra-fine grinding uses a precision high-frequency vibration grinder with animal fiber grinding discs and a special oil-based grinding agent. The ground surface gradually absorbs light and becomes invisible.

2. The method for ultra-precision grinding of titanium alloy for anti-radar stealth technology according to claim 1, characterized in that: A rotating seat (12) is rotatably mounted on the workbench (1). Multiple grinding seats (11) are provided and fixedly connected to the rotating seat (12). The multiple grinding seats (11) are evenly distributed around the axis of the rotating seat (12). A cleaning mechanism (3) is provided on the grinding seat (11). The cleaning mechanism (3) includes a cleaning top plate (31) that is slidably connected to the grinding seat (11). A cleaning plate (33) is installed below the cleaning top plate (31). A cleaning sponge that contacts the titanium alloy workpiece is sleeved on the cleaning plate (33). A driving mechanism (4) for driving the cleaning top plate (31) to move is installed on the grinding seat (11).

3. The method for ultra-precision grinding of titanium alloy anti-radar stealth technology according to claim 2, characterized in that: A cleaning airbag (32) and a telescopic stop bar (34) are fixedly connected between the cleaning top plate (31) and the cleaning plate (33). The cleaning plate (33) is made of flexible material. An air pump is fixedly connected to the grinding seat (11). An air jet pipe (35) is fixedly connected to the cleaning top plate (31). The nozzle of the air jet pipe (35) faces the titanium alloy workpiece. The air outlet of the air pump is connected to the air jet pipe (35) and the cleaning airbag (32) through pipes. An exhaust valve is provided on the cleaning airbag (32).

4. The method for ultra-precision grinding of titanium alloy anti-radar stealth technology according to claim 2, characterized in that: The drive mechanism (4) includes a cleaning reciprocating screw (41) rotatably mounted on the grinding seat (11), the cleaning reciprocating screw (41) being threadedly connected to the cleaning top plate (31), a connecting plate (111) being fixedly connected to the grinding seat (11), a first rotating shaft (42) being rotatably mounted on the connecting plate (111), an arc-shaped rack (43) being fixedly connected to the worktable (1), a first gear (421) being fixedly connected to the first rotating shaft (42) meshing with the arc-shaped rack (43), a second rotating shaft (44) being rotatably mounted on the grinding seat (11), the second rotating shaft (44) being connected to the first rotating shaft (42) via a conveyor belt, a third rotating shaft (45) being mounted on the second rotating shaft (44), and the third rotating shaft (45) being connected to the cleaning reciprocating screw (41).

5. The method for ultra-precision grinding of titanium alloy anti-radar stealth technology according to claim 4, characterized in that: A cleaning mechanism (5) is installed on the grinding base (11). The cleaning mechanism (5) includes a cleaning plate (51) disposed on the grinding base (11). The bottom of the cleaning plate (51) is in contact with the surface of the grinding base (11). A cleaning sponge is sleeved on the cleaning plate (51). A transmission component for driving the cleaning plate (51) to move is installed on the grinding base (11).

6. The method for ultra-precision grinding of titanium alloy anti-radar stealth technology according to claim 5, characterized in that: The transmission component includes a cleaning reciprocating screw (52) rotatably mounted on the grinding seat (11), the cleaning reciprocating screw (52) being threadedly connected to the cleaning plate (51), the third rotating shaft (45) being slidably connected to the second rotating shaft (44), the third rotating shaft (45) being fixedly connected to a third gear (451), the cleaning reciprocating screw (41) being fixedly connected to a cleaning gear (411) meshing with the third gear (451), the cleaning reciprocating screw (52) being fixedly connected to a cleaning gear (521), when the third gear (451) and the cleaning gear (411) are separated, the third gear (451) meshes with the cleaning gear (521), and the grinding seat (11) is equipped with a moving mechanism (6) for driving the third rotating shaft (45) to move.

7. The method for ultra-precision grinding of titanium alloy anti-radar stealth technology according to claim 5, characterized in that: A cleaning agent storage tank (53) is fixedly connected to the grinding base (11), and a water spray pipe (54) is fixedly connected to the cleaning plate (51). The nozzle of the water spray pipe (54) faces the grinding base (11). The cleaning agent storage tank (53) and the water spray pipe (54) are connected through a water inlet pipe (55), and a sealing component is installed on the water inlet pipe (55).

8. The method for ultra-precision grinding of titanium alloy anti-radar stealth technology according to claim 7, characterized in that: The sealing component includes a sealing shaft (56) rotatably mounted in the water inlet pipe (55), a sealing plate fixedly connected to the sealing shaft (56), the sealing shaft (56) extending to the outside of the water inlet pipe (55) and fixedly connected to a sealing gear (561), and two one-way racks (57) fixedly connected to the grinding seat (11), both of which can mesh with the sealing gear (561).

9. The method for ultra-precision grinding of titanium alloy anti-radar stealth technology according to claim 6, characterized in that: The grinding seat (11) is provided with an installation groove. The moving mechanism (6) includes a moving spring (61) fixedly connected to the bottom surface of the installation groove and a moving block (62) slidably installed in the installation groove. The moving spring (61) is fixedly connected to the moving block (62). The top of the moving block (62) is formed with a hemispherical surface and abuts against the titanium alloy workpiece. A sliding groove is provided on the inner wall of the installation groove. A moving plate (63) is slidably installed on the grinding seat (11). The moving plate (63) is rotatably connected to the third rotating shaft (45) and extends into the sliding groove. A moving rod (64) fixedly connected to the moving plate (63) passes through the sliding groove. An inclined surface that contacts the moving block (62) is formed on the end face of the moving rod (64). A first spring (65) is fixedly connected between the moving rod (64) and the inner wall of the installation groove.

10. The method for ultra-precision grinding of titanium alloy for anti-radar stealth technology according to claim 1, characterized in that: The clamping mechanism (2) includes a clamping cylinder (21) fixedly connected to the grinding base (11) and a clamping plate (22) fixedly connected to the extended end of the clamping cylinder (21).

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