Intelligent feedback device for air bag polishing pressure
By introducing an intelligent pressure feedback system into the airbag polishing device, the problem of uneven polishing caused by air leakage of flexible airbags or improper manual pressing is solved, achieving high-precision uniform polishing of workpiece surfaces and improving the yield rate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN HUIFENG REFINING TECH CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-14
AI Technical Summary
Existing airbag polishing devices are prone to over-polishing or under-polishing of workpiece surfaces when the flexible airbag leaks or the manual pressure is incorrect, which affects the yield rate.
An intelligent feedback device for airbag polishing pressure was designed, which includes polishing, power, transmission and air replenishment/reduction mechanisms. The device detects the pressure inside the airbag through a pressure sensor and automatically replenishes or releases pressure to adjust the polishing pressure of the airbag.
It improves the yield of polished workpiece surfaces, prevents over-polishing or under-polishing, and enhances processing accuracy and consistency.
Smart Images

Figure CN224115946U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of airbag polishing technology, specifically to an intelligent pressure feedback device for airbag polishing. Background Technology
[0002] The airbag polishing pressure intelligent feedback device is a precision surface processing technology based on flexible airbag tools and controllable pressure distribution. It uses pneumatic or hydraulic drive to drive the flexible airbag to contact the workpiece surface, and combines abrasive media (such as cerium oxide and diamond suspension) to achieve nanoscale material removal. It is mainly used for high-precision surface correction and ultra-smooth surface preparation (roughness Ra≤0.1nm) of optical components, semiconductor wafers, etc.
[0003] In existing airbag polishing methods, when polishing a workpiece surface with a flexible airbag, if the workpiece surface is concave, the flexible airbag needs to be inflated to match its curvature. If the flexible airbag leaks, is over-inflated, or if the pressure applied manually varies significantly, the curvature of the flexible airbag will not match the curvature of the concave surface. For example, if the flexible airbag leaks or the pressure applied manually is too high, the curvature of the flexible airbag will be greater than the curvature of the concave surface, resulting in over-polishing of the periphery of the concave workpiece surface while leaving the inner surfaces unpolished. Therefore, we need to propose an intelligent pressure feedback device for airbag polishing. Utility Model Content
[0004] The purpose of this invention is to provide an intelligent feedback device for airbag polishing pressure, which has the advantages of airbag pressure detection and pressure replenishment / reduction, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an intelligent feedback device for airbag polishing pressure, including a handle, a polishing mechanism for polishing is provided on one side of the handle, a power mechanism for providing power to the polishing mechanism is provided inside the polishing machine body, a transmission mechanism for transmitting the power generated by the power mechanism to the polishing mechanism is provided inside the polishing machine body, and an air replenishment / reduction mechanism for inflating the polishing mechanism and detecting the air pressure is provided inside the polishing machine body.
[0006] Preferably, the polishing mechanism includes a first mounting base disposed on one side of the polishing machine body. The surface of the first mounting base has a first mounting groove, and a first bearing is disposed inside the first mounting groove. The inner ring of the first bearing is connected to the interior of a second mounting groove. The outer ring surface of the first bearing is connected to a hollow mounting rod. A first mounting plate is disposed at the end of the mounting rod away from the first bearing. A second mounting base is disposed on one side of the polishing machine body. A second mounting groove is disposed on one side of the second mounting base, and a second bearing is disposed inside the second mounting groove. An airbag mechanism is disposed on one side of the first mounting plate.
[0007] Preferably, the airbag mechanism includes an airbag body, which is disposed on the side of the first mounting plate away from the mounting rod. A second mounting plate is disposed at the end of the airbag body away from the first mounting plate. A connecting rod is disposed on the side of the second mounting plate away from the airbag body. The outer wall of the connecting rod is adapted to the inner wall of the second bearing and extends to one side of the second bearing.
[0008] Preferably, the power mechanism includes an installation chamber located inside the polishing machine body. The inner wall of the installation chamber is provided with an installation block, and one end of the installation block is provided with a servo motor. The inner wall of the installation chamber is provided with a first through hole, and the output end of the servo motor is adapted to the first through hole.
[0009] Preferably, the transmission mechanism includes a through groove, which is formed inside the polishing machine body and is located on one side of the mounting chamber. The output end of the servo motor is provided with a first belt reel, which is located inside the through groove. The end of the connecting rod away from the second mounting plate is provided with a second belt reel, and belts are provided on the surfaces of the first belt reel and the second belt reel.
[0010] Preferably, the air replenishment / reduction mechanism includes a miniature air pump, which is disposed inside the polishing machine body. The first mounting base and the interior of the polishing machine body are provided with a second through hole. An inflation hole is opened on the surface of the first mounting plate and penetrates through the first mounting plate. A connecting pipe is provided on the side of the first mounting plate away from the airbag body and is adapted to the inflation hole. A universal air pipe connector is provided on the connecting pipe away from the first mounting plate. An air pipe is provided on the side of the universal air pipe connector away from the connecting pipe. The air pipe is disposed inside the second through hole. A detection pipe is provided on one side of the air pipe. A pressure sensor is provided at one end of the detection pipe. The end of the air pipe away from the universal air pipe connector is connected to the output end of the miniature air pump.
[0011] Preferably, the outer wall of the handle is provided with a flexible vibration plate, and the inside of the handle is provided with a storage battery.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This invention incorporates a polishing mechanism for polishing workpieces with concave surfaces. A power mechanism provides power during polishing. A transmission mechanism transmits this power to the polishing mechanism. An air replenishment / reduction mechanism detects the internal pressure of the air bladder during polishing and adjusts the pressure accordingly.
[0014] This invention differs from existing technologies in that the flexible airbag leaks air, and excessive pressure during manual use can cause the curvature of the flexible airbag to exceed the curvature of the recess, resulting in over-polishing of the periphery of the recessed workpiece surface while leaving the inner surface unpolished. The addition of a pressure-detecting air replenishment and reduction mechanism prevents both over-polishing and under-polishing of the workpiece surface, thus improving the polishing yield. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a sectional view of the second mounting base of this utility model;
[0017] Figure 3 This is a cross-sectional view of the present invention;
[0018] Figure 4 This utility model Figure 3 Enlarged view of point A;
[0019] Figure 5 This is a cross-sectional view of the airbag body of this utility model.
[0020] In the diagram: 1. Handle; 2. Polishing machine body; 3. First mounting base; 4. First mounting groove; 5. First bearing; 6. Mounting rod; 7. First mounting plate; 8. Second mounting base; 9. Second mounting groove; 10. Second bearing; 11. Airbag body; 12. Second mounting plate; 13. Connecting rod; 14. Mounting chamber; 15. Battery; 16. Mounting block; 17. Servo motor; 18. First through hole; 19. Through groove; 20. First pulley; 21. Second pulley; 22. Belt; 23. Miniature air pump; 24. Second through hole; 25. Inflation hole; 26. Connecting pipe; 27. Universal air pipe connector; 28. Air pipe; 29. Detection pipe; 30. Air pressure sensor; 31. Flexible vibration. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figures 1-5 This utility model provides a technical solution: an intelligent feedback device for airbag polishing pressure, including a handle 1, a polishing machine body 2 on one side of the handle 1, and a polishing mechanism for polishing on one side of the polishing machine body 2; the polishing mechanism includes a first mounting seat 3, which is located on one side of the polishing machine body 2, and has a first mounting groove 4. A first bearing 5 is located inside the first mounting groove 4, and the inner ring of the first bearing 5 is connected to the inside of a second mounting groove 9. An mounting rod 6 is connected to the outer ring surface of the first bearing 5 and is hollow. A first mounting plate 7 is located at the end of the mounting rod 6 away from the first bearing 5. A second mounting seat 8 is located on one side of the polishing machine body 2, and a second mounting groove 9 is located on one side of the second mounting seat 8. A second bearing 10 is located inside the second mounting groove 9. An airbag mechanism is located on one side of the first mounting plate 7.
[0023] The airbag mechanism includes an airbag body 11, which is located on the side of the first mounting plate 7 away from the mounting rod 6. A second mounting plate 12 is located at the end of the airbag body 11 away from the first mounting plate 7. A connecting rod 13 is located on the side of the second mounting plate 12 away from the airbag body 11. The outer wall of the connecting rod 13 is adapted to the inner wall of the second bearing 10 and extends to one side of the second bearing 10. The airbag body 11 is used to mount polishing sandpaper.
[0024] The polishing machine body 2 is equipped with a power mechanism for providing power to the polishing mechanism. The power mechanism includes a mounting chamber 14, which is located inside the polishing machine body 2. The inner wall of the mounting chamber 14 is provided with a mounting block 16, and a servo motor 17 is provided at one end of the mounting block 16. The inner wall of the mounting chamber 14 is provided with a first through hole 18, and the output end of the servo motor 17 is adapted to the first through hole 18.
[0025] The polishing machine body 2 has an internal transmission mechanism for transmitting power generated by the power mechanism to the polishing mechanism. The transmission mechanism includes a through groove 19, which is located inside the polishing machine body 2 and on one side of the mounting chamber 14. A first belt reel 20 is located at the output end of the servo motor 17, inside the through groove 19. A second belt reel 21 is located at the end of the connecting rod 13 furthest from the second mounting plate 12. A belt 22 is attached to the surfaces of the first belt reel 20 and the second belt reel 21. When polishing is required, the servo motor 17 is activated. The output end of the servo motor 17 drives the first belt reel 20, which is transmitted to the second belt reel 21 via the belt 22. The rotation of the second belt reel 21 causes the connecting rod 13 and the second mounting plate 12 to rotate the airbag body 11, and the polishing sandpaper on its surface polishes the workpiece.
[0026] The polishing machine body 2 is internally equipped with an air replenishment and depressurization mechanism for pressurizing and depressurizing the polishing mechanism and for detecting air pressure. This mechanism includes a miniature air pump 23, which is located inside the polishing machine body 2. A second through hole 24 is provided inside the first mounting base 3 and the polishing machine body 2. An inflation hole 25 is opened on the surface of the first mounting plate 7 and penetrates through the first mounting plate 7. A connecting pipe 26 is provided on the side of the first mounting plate 7 away from the airbag body 11 and is adapted to the inflation hole 25. A universal air hose connector 27 is provided on the connecting pipe 26 away from the first mounting plate 7. An air hose 28 is provided on the side of the universal air hose connector 27 away from the connecting pipe 26. The air hose 28 is located inside the second through hole 24. A detection tube 29 is provided on one side of the air hose 28. A pressure sensor 30 is provided at one end of the detection tube 29. The end of the air hose 28 away from the universal air hose connector 27 is connected to the output end of the miniature air pump 23. A flexible vibration plate 31 is provided on the outer wall of the handle 1, and a battery 15 is located inside the handle 1.
[0027] Its pressure detection and pressure reduction / reduction principles are as follows:
[0028] Because the detection tube 29, air tube 28, universal air tube connector 27, and connecting tube 26 are connected to the inside of the airbag body 11. When the air pressure sensor 30 detects insufficient or excessive air pressure inside the airbag body 11, the air pressure sensor 30 sends an electrical signal to the controller. When the controller controls the flexible vibration plate 31 to vibrate, the operator feels it and removes the airbag body 11 from the workpiece surface. The miniature air pump 23 pressurizes or depressurizes the airbag body 11.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An intelligent feedback device for airbag polishing pressure, comprising a handle (1), characterized in that: A polishing machine body (2) is provided on one side of the handle (1), and a polishing mechanism for polishing is provided on one side of the polishing machine body (2). A power mechanism for providing power to the polishing mechanism is provided inside the polishing machine body (2). A transmission mechanism for transmitting the power generated by the power mechanism to the polishing mechanism is provided inside the polishing machine body (2). An air replenishment and decompression mechanism for replenishing and decompressing the polishing mechanism and detecting the air pressure is provided inside the polishing machine body (2).
2. The intelligent feedback device for airbag polishing pressure according to claim 1, characterized in that: The polishing mechanism includes a first mounting base (3), which is disposed on one side of the polishing machine body (2). A first mounting groove (4) is provided on the surface of the first mounting base (3). A first bearing (5) is disposed inside the first mounting groove (4). The inner ring of the first bearing (5) is connected to the inside of the second mounting groove (9). A mounting rod (6) is connected to the outer ring surface of the first bearing (5) and is hollow. A first mounting plate (7) is provided at the end of the mounting rod (6) away from the first bearing (5). A second mounting base (8) is provided on one side of the polishing machine body (2). A second mounting groove (9) is provided on one side of the second mounting base (8). A second bearing (10) is disposed inside the second mounting groove (9). An airbag mechanism is provided on one side of the first mounting plate (7).
3. The intelligent feedback device for airbag polishing pressure according to claim 2, characterized in that: The airbag mechanism includes an airbag body (11), which is located on the side of the first mounting plate (7) away from the mounting rod (6). A second mounting plate (12) is provided at the end of the airbag body (11) away from the first mounting plate (7). A connecting rod (13) is provided on the side of the second mounting plate (12) away from the airbag body (11). The outer wall of the connecting rod (13) is adapted to the inner wall of the second bearing (10) and extends to one side of the second bearing (10).
4. The intelligent feedback device for airbag polishing pressure according to claim 3, characterized in that: The power mechanism includes an installation chamber (14), which is located inside the polishing machine body (2). The inner wall of the installation chamber (14) is provided with an installation block (16), and one end of the installation block (16) is provided with a servo motor (17). The inner wall of the installation chamber (14) is provided with a first through hole (18), and the output end of the servo motor (17) is adapted to the first through hole (18).
5. The intelligent feedback device for airbag polishing pressure according to claim 4, characterized in that: The transmission mechanism includes a through groove (19) which is opened inside the polishing machine body (2). The through groove (19) is located on one side of the mounting chamber (14). The output end of the servo motor (17) is provided with a first belt reel (20), which is located inside the through groove (19). The end of the connecting rod (13) away from the second mounting plate (12) is provided with a second belt reel (21). The surfaces of the first belt reel (20) and the second belt reel (21) are provided with belts (22).
6. The intelligent feedback device for airbag polishing pressure according to claim 5, characterized in that: The air replenishment / reduction mechanism includes a miniature air pump (23), which is located inside the polishing machine body (2). The first mounting base (3) and the polishing machine body (2) are provided with a second through hole (24). An inflation hole (25) is opened on the surface of the first mounting plate (7) and penetrates through the first mounting plate (7). A connecting pipe (26) is provided on the side of the first mounting plate (7) away from the airbag body (11) and is adapted to the inflation hole (25). The connecting pipe (26) A universal air pipe connector (27) is provided away from the first mounting plate (7). An air pipe (28) is provided on the side of the universal air pipe connector (27) away from the connecting pipe (26). The air pipe (28) is located inside the second through hole (24). A detection pipe (29) is provided on one side of the air pipe (28). A pressure sensor (30) is provided at one end of the detection pipe (29). The end of the air pipe (28) away from the universal air pipe connector (27) is connected to the output end of the micro air pump (23).
7. The intelligent feedback device for airbag polishing pressure according to claim 6, characterized in that: The outer wall of the handle (1) is provided with a flexible vibration plate (31), and the inside of the handle (1) is provided with a storage battery (15).