Cambered surface polishing equipment and polishing method for bearing machining

Abstract

The invention relates to the technical field of bearing polishing, in particular to cambered surface polishing equipment for bearing machining and a polishing method.The cambered surface polishing equipment comprises a polishing table and a polishing wheel, the polishing wheel is used for polishing the outer rotation face of a bearing, a polishing block is arranged on one side of the polishing wheel, and the polishing wheel is used for polishing the end face of the bearing; a rotating shaft is arranged in the middle of the polishing table; comprising the following steps that S1, a polishing wheel is arranged, and a polishing block is arranged on one side of the polishing wheel and used for polishing the end face of the bearing; s2, the bearing to be polished is fixed to an extrusion device at the bottom of a rotating shaft in the middle of the polishing table; and S3, a first motor is started to drive the rotating shaft to rotate, the bearing is driven to rotate, and the outer rotating face and the end face of the bearing are polished through the polishing wheel and the polishing block correspondingly. By means of the polishing wheel and the polishing block, the outer rotation face and the end face of the bearing can be polished at the same time, multi-face synchronous machining is achieved, and the polishing efficiency and the overall machining quality of the bearing are remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of bearing polishing technology, and in particular to an arc surface polishing device and polishing method for bearing processing. Background Technology

[0002] Arc surface polishing equipment for bearing processing is a special polishing equipment specifically designed for processing the arc surfaces (R arc) of the inner wall of bearings. It can efficiently achieve mirror-level polishing (surface roughness can reach below Ra0.2) and surface strengthening of the bearing arc surface. This type of equipment is often installed on machine tools such as lathes to achieve "turning instead of grinding", avoiding the problems of low efficiency, difficulty in uniformity control and dust pollution of traditional manual or grinding machine polishing. At the same time, it can improve the wear resistance and corrosion resistance of the bearing surface through surface nano-sizing, and extend its service life.

[0003] For example, the prior art patent publication number CN107953160B discloses a bearing outer ring polishing device. This device includes a housing, bearing, rotating shaft, fixing block, cylinder, rotating wheel, clamping rod, tension spring, sliding device, telescopic rod, spring, polishing block, motor, pulley, water spray nozzle, drain pipe, water tank and water pump. The bearing is fixedly mounted horizontally inside the housing. The rotating shaft is fixedly mounted vertically on the inner side of the bearing inner ring. A conical fixing block is fixedly mounted on the upper end of the rotating shaft. A cylinder with an output shaft extending vertically downward into the housing is fixedly mounted on the top of the housing. A rotating wheel is rotatably mounted on the lower end of the cylinder's output shaft. Multiple mounting grooves are evenly opened radially on the bottom surface of the rotating wheel. Compared with the prior art, this device can polish the bearing outer ring efficiently and quickly, improve the stability of fixing the bearing outer ring, improve the polishing efficiency and effect, reduce the noise generated during equipment operation, and save water resources.

[0004] The existing technology has the following problems: it can only polish the outer rotating surface or end face of the bearing in a single and sequential manner; this single-sided processing method requires repeated clamping or changing of processes, resulting in a lengthy processing flow, low production efficiency, and inability to meet the needs of modern mass production; in addition, the unloading process relies on manual labor and has a low degree of automation. After polishing, operators may need to manually remove the workpiece from the equipment, which not only increases labor intensity and reduces production cycle, but also poses certain safety hazards. At the same time, manual operation can easily cause secondary scratches or contamination to the polished surface. Summary of the Invention

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0006] This invention provides an arc surface polishing device and polishing method for bearing processing, which can solve the problem that existing technologies cannot simultaneously polish the rotating surface and end face of bearings. The specific solution is as follows: On one hand, the present invention provides an arc surface polishing device for bearing processing, including a polishing table, a polishing wheel arranged on the polishing table, the polishing wheel being used to polish the outer rotating surface of the bearing, and a polishing block arranged on one side of the polishing wheel, the polishing wheel being used to polish the end face of the bearing; A rotating shaft is located in the middle of the polishing table, and a pressing device is installed at the bottom of the rotating shaft. The pressing device is used to fix the bearing to be polished. A first motor is located at the top of the rotating shaft. The first motor drives the rotating shaft to rotate, thereby causing the bearing to rotate. A tilting block is installed above the rotating shaft, and a fixed frame is connected to the middle of the polishing table. The rotating shaft and the first motor are mounted on the tilting block, which is rotatably connected to the fixed frame. A second motor is installed on the fixed frame and connected to one end of the tilting block. The second motor drives the tilting block to rotate, thereby tilting the rotating shaft, the extrusion device, and the bearing, and tilting the polished bearing into the discharge trough above the polishing table. Through the coordinated arrangement of the polishing wheel and the polishing block, the outer rotating surface and end face of the bearing can be polished simultaneously, realizing multi-face synchronous processing and significantly improving the polishing efficiency and overall processing quality of the bearing. Through the tiltable clamping structure, the second motor drives the tilting block to automatically tilt the workpiece into the discharge trough after polishing, realizing the automated connection between polishing and unloading, which not only improves production efficiency but also reduces the safety risks of manual operation.

[0007] Preferably, the polishing table is equipped with two limiting plates, the distance between the two limiting plates is matched with the outer diameter of the bearing, and the two limiting plates are connected by a bidirectional screw thread. When the bidirectional screw rotates, it can drive the two limiting plates to move closer or further apart. By adjusting the distance between the limiting plates through the bidirectional screw drive, and combined with the adjustment design of the sliding seat and telescopic rod, the equipment can quickly adapt to bearing workpieces with different outer diameters and thicknesses, significantly enhancing the versatility and processing flexibility of the equipment.

[0008] Preferably, a sliding seat is provided on one side of the polishing wheel, and the sliding seat is slidably connected to the polishing table, so that the sliding seat can approach or move away from the bearing to be polished. A third motor is fixedly installed on the top of the sliding seat, and the top of the polishing wheel is connected to the output shaft of the third motor.

[0009] Preferably, the polishing block is installed on the side of the sliding seat near the bearing, and a first telescopic rod is fixedly connected to the top of the polishing block.

[0010] Preferably, the polishing wheel has several dust collection grooves on its sidewall, which extend through the upper and lower ends of the polishing wheel. A dust collection chamber is provided in the middle of the polishing wheel, extending to the bottom of the polishing wheel. A connecting hole is provided between the dust collection chamber and the dust collection grooves. Several connecting holes are provided on each dust collection groove. A negative pressure device is installed at the bottom of the dust collection chamber.

[0011] Preferably, the negative pressure device includes a negative pressure pump, which is installed on the top of the polishing table. A negative pressure chamber is formed inside the polishing table. One end of the negative pressure chamber is connected to the negative pressure pump, and the other end of the negative pressure chamber has a movable chamber extending below the polishing wheel. A rotating sleeve is rotatably installed inside the dust collection chamber. A slot is formed on one side of the rotating sleeve, which can cover one row of connecting holes. A sliding plate is fixedly connected to the bottom of the rotating sleeve. A sliding groove is formed on the inner wall of the movable chamber, and the sliding plate is slidably connected to the sliding groove. A flexible hose is connected between the bottom of the rotating sleeve and the end of the negative pressure chamber. By integrating the negative pressure dust removal system, the dust collection chamber and groove structure inside the polishing wheel are used to adsorb iron filings and dust generated during the polishing process in real time, effectively improving the working environment, reducing pollution, and helping to maintain the cleanliness of the polished surface.

[0012] Preferably, the extrusion device includes extrusion rods, and there are at least two extrusion rods, with multiple extrusion rods evenly distributed around the rotating shaft.

[0013] Preferably, a third gear is connected to one end of the extrusion rod near the rotating shaft. The third gear is hinged to the inside of the rotating shaft. A drive column is installed inside the rotating shaft. The drive column is rotatably connected to the middle of the rotating shaft. A fourth gear is fixedly connected to the bottom of the drive column. The fourth gear meshes with the third gear.

[0014] Preferably, a fourth telescopic rod is provided at the top of the drive column, the top of the fourth telescopic rod is fixed inside the rotating shaft, and a drive block is connected to the bottom end of the fourth telescopic rod. A rotating hole is opened at the top of the drive column, and a drive groove is opened on the inner wall of the rotating hole. The drive groove is spirally arranged, and the drive block slides along the drive groove.

[0015] On the other hand, the present invention provides a method for polishing arc surfaces in bearing machining, comprising the following steps: S1. Set up a polishing wheel and arrange polishing blocks on one side of it for polishing the bearing end face; S2. Fix the bearing to be polished onto the pressing device at the bottom of the rotating shaft in the middle of the polishing table; S3. Start the first motor to drive the rotating shaft to rotate, which in turn drives the bearing to rotate, so that the polishing wheel and polishing block polish the outer rotating surface and end face of the bearing respectively. S4. After polishing is completed, the second motor drives the flipping block to rotate around the fixed frame, causing the rotating shaft, extrusion device and bearing to flip as a whole, and the bearing is poured into the discharge trough above the polishing table to achieve discharge.

[0016] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects: 1. By using a polishing wheel and a polishing block in a coordinated manner, this invention can simultaneously polish the outer rotating surface and the end face of the bearing, achieving multi-face synchronous processing and significantly improving the polishing efficiency and overall processing quality of the bearing.

[0017] 2. This invention uses a flip-up clamping structure, and the second motor drives the flipping block to automatically flip the workpiece to the discharge trough after polishing, realizing the automated connection between polishing and unloading. This not only improves production efficiency, but also reduces the safety risks of manual operation.

[0018] 3. This invention uses a bidirectional screw to drive the limiting plate to adjust the spacing, and combines the adjustment design of the sliding seat and the telescopic rod, enabling the equipment to quickly adapt to bearing workpieces with different outer diameters and thicknesses, significantly enhancing the equipment's versatility and processing flexibility.

[0019] 4. This invention integrates a negative pressure dust removal system, utilizing the dust collection chamber and channel structure inside the polishing wheel to adsorb iron filings and dust generated during the polishing process in real time, effectively improving the working environment, reducing pollution, and helping to maintain the cleanliness of the polished surface.

[0020] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is a perspective view of the entire invention; Figure 2 This is a perspective view of the sliding seat and bearing of the present invention; Figure 3 This is a side view of the present invention; Figure 4 This is a perspective view of the polishing table of the present invention; Figure 5 This is a perspective view of the polishing table and sliding seat of the present invention; Figure 6 This is an exploded view of the sliding seat and polishing wheel of the present invention; Figure 7 This is a cross-sectional view of the polishing wheel of the present invention; Figure 8 This is a cross-sectional view of the present invention; Figure 9 This is a perspective view of the clamp and rotating shaft of the present invention; Figure 10 This is a cross-sectional view of the rotating shaft of the present invention; Figure 11 This is a schematic diagram of the driving block and driving slot of the present invention; Figure 12 This is a perspective view of the extrusion rod of the present invention; Figure 13 This is a schematic diagram of the structure of the fifth telescopic rod of the present invention.

[0022] The accompanying figure is labeled as follows: 1. Polishing table; 2. Polishing wheel; 3. Bearing; 4. Polishing block; 5. Rotating shaft; 6. First motor; 7. Tilting block; 8. Fixing frame; 9. Second motor; 10. Discharge chute; 11. Limiting plate; 12. Bidirectional screw; 13. Sliding seat; 14. Third motor; 15. Fourth motor; 16. Lead screw; 17. First telescopic rod; 18. Adjusting groove; 19. Adjusting block; 20. Second telescopic rod; 21. Dust collection chamber; 22. 1. Connecting hole; 23. Negative pressure pump; 24. Negative pressure chamber; 25. Movable chamber; 26. Rotating sleeve; 27. Groove; 28. Sliding plate; 29. ​​Third telescopic rod; 31. First gear; 32. Second gear; 33. Pressing rod; 34. Third gear; 35. Drive column; 36. Fourth gear; 37. Fourth telescopic rod; 38. Drive block; 39. Rotating hole; 40. Drive groove; 41. Fifth telescopic rod; 42. Fifth motor. Detailed Implementation

[0023] Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form part of the present invention and, together with the embodiments of the present invention, serve to illustrate the principles of the present invention.

[0024] Example 1: As Figure 1 , Figure 2 , Figure 3 As shown, this embodiment provides an arc surface polishing device for bearing processing, including a polishing table 1, a polishing wheel 2 on the polishing table 1, the polishing wheel 2 being used to polish the outer rotating surface of the bearing 3, and a polishing block 4 being provided on one side of the polishing wheel 2, the polishing block 4 being used to polish the end face of the bearing 3.

[0025] It should be noted that the polishing wheel 2 and polishing block 4 mentioned above are made of alumina, silicon dioxide, diamond, ceramic, or grinding wheels; and the following issues need to be considered when selecting polishing materials: Bearing 3. Materials: Bearings with different base materials (such as bearing steel, stainless steel, ceramic or copper alloy) have different requirements and responses to polishing materials; for example, high-hardness ceramic bearings may require superhard abrasives such as diamond, while copper alloy bearings may be suitable for specific methods such as plasma polishing. Required surface finish: The final surface roughness requirement directly affects the selection of abrasive type and grit size; when pursuing a mirror finish, it is often necessary to use fine abrasives such as diamond micro powder or cerium oxide for final polishing; Polishing processes and methods: Different processes, such as mechanical polishing, chemical mechanical polishing (CMP), magnetohydrodynamic polishing (MFP), ultrasonic-assisted polishing, or plasma polishing, require different abrasives and auxiliary materials. Efficiency and cost: Some abrasives (such as diamond) have excellent performance but are expensive, so it is necessary to weigh efficiency, effectiveness and economy; for example, traditional V-groove grinding and polishing of ceramic balls uses diamond abrasives, which is expensive and time-consuming. Environmental protection and safety: Consider the environmental factors in the use and disposal of abrasives. For example, cerium oxide is generally considered a relatively environmentally friendly option.

[0026] A rotating shaft 5 is provided in the middle of the polishing table 1. A pressing device is installed at the bottom of the rotating shaft 5. The pressing device is used to fix the bearing 3 to be polished. A first motor 6 is provided at the top of the rotating shaft 5. The first motor 6 drives the rotating shaft 5 to rotate, thereby causing the bearing 3 to rotate. When the bearing 3 rotates, the outer wall of the bearing 3 contacts the polishing wheel 2 and the polishing block 4, thereby achieving the effect of polishing the bearing 3.

[0027] A flipping block 7 is provided above the rotating shaft 5. A fixed frame 8 is connected to the middle of the polishing table 1. The rotating shaft 5 and the first motor 6 are mounted on the flipping block 7. The flipping block 7 is rotatably connected to the fixed frame 8. A second motor 9 is mounted on the fixed frame 8. The output shaft of the second motor 9 is connected to one end of the flipping block 7. The second motor 9 drives the flipping block 7 to rotate, thereby causing the rotating shaft 5, the extrusion device and the bearing 3 to flip. The polished bearing 3 is flipped into the discharge trough 10 above the polishing table 1. The discharge trough 10 is fixed to the polishing table 1 by a support rod. The discharge trough 10 has a certain inclination angle, so that when the bearing 3 is placed in the discharge trough 10, it can roll down naturally.

[0028] like Figure 4As shown, the polishing table 1 is provided with two limiting plates 11. The distance between the two limiting plates 11 matches the outer diameter of the bearing 3. The two limiting plates 11 are connected by a double-acting screw 12. When the double-acting screw 12 rotates, it can drive the two limiting plates 11 to move closer or further apart. The polishing table 1 is provided with a groove that matches the double-acting screw 12. The two ends of the double-acting screw 12 are rotatably connected to the inner wall of the groove. The bottom of the limiting plate 11 and the top of the polishing table 1 are respectively provided with a slider and a groove. The slider and the groove are slidably connected. So when the double-acting screw 12 rotates, it can drive the two limiting plates 11 to move relative to each other, thereby accommodating bearings 3 with different outer diameters.

[0029] like Figure 2 As shown, a sliding seat 13 is provided on one side of the polishing wheel 2. The sliding seat 13 is slidably connected to the polishing table 1, so that the sliding seat 13 can approach or move away from the bearing 3 to be polished. A third motor 14 is fixedly installed on the top of the sliding seat 13, and the top of the polishing wheel is connected to the output shaft of the third motor 14.

[0030] like Figure 5 As shown, a fourth motor 15 is installed on the polishing table 1. One end of the fourth motor 15 is connected to a lead screw 16, which is threadedly connected to the sliding seat 13. The fourth motor 15 drives the lead screw 16 to rotate, thereby allowing the sliding seat 13 to slide along the polishing table 1, thus allowing the polishing wheel 2 to move closer to or further away from the bearing 3.

[0031] The polishing block 4 is installed on the side of the sliding seat 13 near the bearing 3. The top of the polishing block 4 is fixedly connected to the first telescopic rod 17. The first telescopic rod 17 can drive the polishing block 4 to move up and down, so as to adapt to bearings 3 of different thicknesses and polish bearings 3 of different specifications.

[0032] like Figure 6 As shown, the top of the sliding seat 13 is provided with an adjustment groove 18, and an adjustment block 19 is slidably connected inside the adjustment groove 18. The third motor 14 is fixedly installed on the adjustment block 19. One end of the third motor 14 is connected to a second telescopic rod 20, and the other end of the second telescopic rod 20 is fixedly installed on the top of the sliding seat 13. The adjustment block 19 is moved by the second telescopic rod 20, which in turn moves the third motor 14 and the polishing wheel 2 on the adjustment block 19, thereby adjusting the distance between the polishing wheel 2 and the polishing block 4.

[0033] like Figure 7 As shown, the polishing wheel 2 has several dust collection grooves 43 on its side wall, which pass through the upper and lower ends of the polishing wheel 2. The polishing wheel 2 has a dust collection chamber 21 in the middle, which extends to the bottom of the polishing wheel 2. A connecting hole 22 is provided between the dust collection chamber 21 and the dust collection grooves 43. Several connecting holes 22 are provided on each dust collection groove 43. A negative pressure device is installed at the bottom of the dust collection chamber 21.

[0034] like Figure 7 , Figure 8 As shown, the negative pressure device includes a negative pressure pump 23, which is installed on the top of the polishing table 1. A negative pressure chamber 24 is provided inside the polishing table 1. One end of the negative pressure chamber 24 is connected to the negative pressure pump 23, and the other end of the negative pressure chamber 24 has a movable chamber 25 that extends to the bottom of the polishing wheel 2. A rotating sleeve 26 is rotatably installed inside the dust collection chamber 21. A slot 27 is provided on one side of the rotating sleeve 26, which can cover one row of connecting holes 22. A sliding plate 28 is fixedly connected to the bottom of the rotating sleeve 26. The middle part of the sliding plate 28 is connected to the bottom of the rotating sleeve 26. A sliding groove (not shown in the figure) matching the sliding plate 28 is provided on the inner wall of the movable chamber 25. The sliding plate 28 is slidably connected to the sliding groove. A flexible hose (not shown in the figure) is connected between the bottom of the rotating sleeve 26 and the end of the negative pressure chamber 24. With the above scheme, when the sliding seat 13 moves, the sliding plate 28 and the rotating sleeve 26 also move with it, thereby ensuring that the negative pressure chamber 24 can always be in communication with the inside of the rotating sleeve 26.

[0035] In the above scheme, the negative pressure pump 23 creates a negative pressure space inside the negative pressure chamber 24 and the rotating sleeve 26. When the slot 27 on the rotating sleeve 26 is connected to one of the rows of connecting holes 22 on the polishing wheel 2, the iron filings at the contact position between the bearing 3 and the polishing wheel 2 can be adsorbed, thereby achieving a cleaning effect on the bearing 3.

[0036] It should be noted that a filter box is installed at the outlet of the negative pressure pump 23. The filter element inside the filter box can collect the debris generated during the polishing of the bearing 3, and then the clean gas is discharged from the outlet of the filter box.

[0037] like Figure 8 As shown, a third telescopic rod 29 is rotatably mounted on the top of the rotating shaft 5. The top of the third telescopic rod 29 is fixedly connected to the top of the flipping block 7. The third telescopic rod 29 can drive the rotating shaft 5 to move up and down, thereby driving the bearing 3 to rise in height, so as to facilitate subsequent flipping.

[0038] like Figure 3 As shown, the bottom output shaft of the first motor 6 is connected to the first gear 31, and the top of the rotating shaft 5 is connected to the second gear 32. The second gear 32 and the first gear 31 are connected, and the length of the second gear 32 is configured such that when the third telescopic rod 29 drives the rotating shaft 5 to move up and down, the first gear 31 and the second gear 32 are always meshed. The first motor 6 drives the rotating shaft 5 to rotate, thereby causing the bearing 3 to rotate, thus causing the bearing 3 to generate a rotational motion.

[0039] like Figure 9 , Figure 10 , Figure 11 , Figure 12As shown, the extrusion device includes extrusion rods 33, with at least two extrusion rods 33 evenly distributed around the rotating shaft 5. A third gear 34 is connected to one end of each extrusion rod 33 near the rotating shaft 5, and the third gear 34 is hinged to the interior of the rotating shaft 5. A drive column 35 is also installed inside the rotating shaft 5, rotatably connected to the middle of the rotating shaft 5. A fourth gear 36 is fixedly connected to the bottom of the drive column 35, meshing with the third gear 34. A fourth telescopic rod 37 is provided at the top of the drive column 35, and the top of the fourth telescopic rod 37 is fixed inside the rotating shaft 5. The fourth telescopic rod 37 is connected to a drive block 38 at its bottom end. The top of the drive column 35 has a rotating hole 39, and the inner wall of the rotating hole 39 has a drive groove 40. The drive groove 40 is spirally arranged. The drive block 38 slides along the drive groove 40, thereby driving the drive column 35 to rotate. When the drive column 35 rotates, the fourth gear 36 at its bottom rotates. Then the fourth gear 36 drives the third gear 34 to rotate, thereby causing the extrusion rod 33 to rotate synchronously with the third gear 34, thereby causing the extrusion rod 33 to expand or contract. When the extrusion rod 33 expands, it can abut against the bottom end of the bearing 3, thereby fixing the bearing 3.

[0040] It should be noted that, in order to protect the inner wall of the bearing 3, a soft material is provided on the side of the extrusion rod 33 that contacts the bearing 3, thereby increasing the friction between the extrusion rod 33 and the bearing 3. The soft material can be made of rubber or silicone.

[0041] like Figure 13 As shown, there are two fifth telescopic rods 41 rotating on the inner side of the fixing frame 8. The two fifth telescopic rods 41 are symmetrically arranged on the front and rear sides of the bearing 3 to be polished. The telescopic ends of the two fifth telescopic rods 41 are close to each other and can clamp the bearing 3. One end of one of the fifth telescopic rods 41 is equipped with a fifth motor 42. The fifth motor 42 can drive the fifth telescopic rod 41 to rotate. When the two fifth telescopic rods 41 rotate, they can drive the bearing 3 to flip, thereby polishing both ends of the bearing 3 separately.

[0042] Example 2: This example differs from Example 1 in that it provides a method for polishing arc surfaces in bearing machining, comprising the following steps: S1. The bearing 3 to be polished is fixed to the bottom of the rotating shaft 5 by the extrusion device; the multiple extrusion rods 33 in the extrusion device expand or contract through the gear transmission mechanism, thereby adaptively clamping bearings 3 of different sizes.

[0043] S2. After clamping is completed, the first motor 6 drives the rotating shaft 5 and bearing 3 to rotate continuously through the gear set; at the same time, the third motor 14 drives the polishing wheel 2 to rotate, and the fourth motor 15 pushes the entire sliding seat 13 forward through the lead screw 16 mechanism, so that the polishing wheel 2 contacts the outer rotating surface of the bearing 3 for polishing; the polishing block 4 installed on the side of the sliding seat 13 presses the end face of the bearing 3 under the adjustment of the first telescopic rod 17 to achieve end face polishing.

[0044] S3. During the polishing process, the debris and dust generated are removed in real time by the negative pressure adsorption system integrated inside the polishing wheel 2; the dust collection tank 43 is connected to the dust collection chamber 21, and the negative pressure pump 23 continuously draws air to form a negative pressure inside the rotating sleeve 26, and the debris is sucked out through the connecting hole 22.

[0045] S4. After one side is polished, the third telescopic rod 29 lifts the rotating shaft 5, and the second motor 9 drives the flipping block 7 to flip, so that the bearing 3 falls into the discharge trough 10 and slides out automatically; or the bearing 3 can be clamped by two fifth telescopic rods 41 and driven to flip by the fifth motor 42 to achieve polishing of the other end of the bearing 3; throughout the process, the width of the limiting plate 11 is adjusted by the bidirectional screw 12 to adapt to the stable positioning of bearings 3 of different specifications.

[0046] In summary, this invention, through the coordinated arrangement of the polishing wheel 2 and the polishing block 4, can simultaneously polish the outer rotating surface and end face of the bearing 3, achieving multi-face synchronous processing and significantly improving the polishing efficiency and overall processing quality of the bearing 3. Through the flip-up clamping structure, the second motor 9 drives the flipping block 7 to automatically flip the workpiece to the discharge trough 10 after polishing, achieving automated connection between polishing and unloading, which not only improves production efficiency but also reduces the safety risks of manual operation. The bidirectional screw 12 drives the limiting plate 11 to adjust the spacing, and combined with the adjustment design of the sliding seat 13 and the telescopic rod, the equipment can quickly adapt to bearing 3 workpieces with different outer diameters and thicknesses, significantly enhancing the equipment's versatility and processing flexibility. By integrating a negative pressure dust removal system, utilizing the dust collection chamber 21 and channel structure inside the polishing wheel 2, iron filings and dust generated during polishing are adsorbed in real time, effectively improving the working environment, reducing pollution, and helping to maintain the cleanliness of the polished surface.

[0047] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0048] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the present application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0049] Parallelism: The parallelism defined in this application is not limited to absolute parallelism. This definition of parallelism can be understood as basic parallelism. It allows for situations where the parallelism is not absolute due to factors such as assembly tolerance, design tolerance, and structural flatness. It also allows for errors within a small angular range, such as within 10 degrees of assembly error. These can all be considered as parallel relationships.

[0050] Perpendicularity: The perpendicularity defined in this application is not limited to an absolute perpendicular intersection (with an included angle of 90 degrees). It is permissible for non-absolute perpendicular intersections caused by factors such as assembly tolerances, design tolerances, and structural flatness. It is permissible for errors within a small angular range, such as an assembly error range of 80 to 100 degrees, which can all be understood as a perpendicular relationship.

[0051] The term "multiple" in this article refers to two or more. The term "and / or" in this article is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can represent three cases: A exists alone, A and B exist simultaneously, and B exists alone.

[0052] The devices or elements referred to in the embodiments of this application or implied herein must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of this application. In the description of the embodiments of this application, "a plurality of" means two or more, unless otherwise precisely specified.

[0053] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A polishing device for arc surface machining of bearings, comprising a polishing table, a polishing wheel disposed on the polishing table, the polishing wheel being used to polish the outer rotating surface of the bearing, characterized in that: A polishing block is provided on one side of the polishing wheel, which is used to polish the end face of the bearing; A rotating shaft is located in the middle of the polishing table, and a pressing device is installed at the bottom of the rotating shaft. The pressing device is used to fix the bearing to be polished. A first motor is located at the top of the rotating shaft. The first motor drives the rotating shaft to rotate, thereby causing the bearing to rotate. A tilting block is installed above the rotating shaft, and a fixed frame is connected to the middle of the polishing table. The rotating shaft and the first motor are mounted on the tilting block, and the tilting block is rotatably connected to the fixed frame. A second motor is installed on the fixed frame and is connected to one end of the tilting block. The second motor drives the tilting block to rotate, thereby causing the rotating shaft, the extrusion device and the bearing to tilt, and the polished bearing is tilted into the discharge trough above the polishing table.

2. The arc surface polishing equipment for bearing processing as described in claim 1, characterized in that: Two limiting plates are set on the polishing table. The distance between the two limiting plates matches the outer diameter of the bearing. The two limiting plates are connected by a bidirectional screw thread. When the bidirectional screw rotates, it can drive the two limiting plates to move closer or further apart.

3. The arc surface polishing equipment for bearing processing as described in claim 1, characterized in that: A sliding seat is provided on one side of the polishing wheel. The sliding seat is slidably connected to the polishing table, allowing the sliding seat to move closer to or further away from the bearing to be polished. A third motor is fixedly installed on the top of the sliding seat, and the top of the polishing wheel is connected to the output shaft of the third motor.

4. The arc surface polishing equipment for bearing processing as described in claim 3, characterized in that: The polishing block is installed on the side of the sliding seat near the bearing, and the top of the polishing block is fixedly connected to the first telescopic rod.

5. The arc surface polishing equipment for bearing processing as described in claim 1, characterized in that: The polishing wheel has several dust collection grooves on its side wall, which run through the upper and lower ends of the polishing wheel. A dust collection chamber is located in the middle of the polishing wheel, extending to the bottom of the polishing wheel. A connecting hole is provided between the dust collection chamber and the dust collection grooves. Several connecting holes are provided on each dust collection groove. A negative pressure device is installed at the bottom of the dust collection chamber.

6. The arc surface polishing equipment for bearing processing as described in claim 5, characterized in that: The negative pressure device includes a negative pressure pump, which is installed on the top of the polishing table. The polishing table has a negative pressure chamber inside, one end of which is connected to the negative pressure pump. The other end of the negative pressure chamber has a movable chamber that extends to the bottom of the polishing wheel. A rotating sleeve is rotatably installed inside the dust collection chamber. A slot is opened on one side of the rotating sleeve, which can cover one row of connecting holes. A sliding plate is fixedly connected to the bottom of the rotating sleeve. A sliding groove is opened on the inner wall of the movable chamber. The sliding plate is slidably connected to the sliding groove. A flexible hose is connected between the bottom of the rotating sleeve and the end of the negative pressure chamber.

7. The arc surface polishing equipment for bearing processing as described in claim 1, characterized in that: The extrusion device includes extrusion rods, and there are at least two extrusion rods, with multiple extrusion rods evenly distributed around the rotating shaft.

8. The arc surface polishing equipment for bearing processing as described in claim 7, characterized in that: The end of the extrusion rod near the rotating shaft is connected to a third gear. The third gear is hinged to the inside of the rotating shaft. A drive column is installed inside the rotating shaft. The drive column is rotatably connected to the middle of the rotating shaft. A fourth gear is fixedly connected to the bottom of the drive column. The fourth gear meshes with the third gear.

9. The arc surface polishing equipment for bearing processing as described in claim 8, characterized in that: A fourth telescopic rod is provided at the top of the drive column. The top of the fourth telescopic rod is fixed inside the rotating shaft. A drive block is connected to the bottom of the fourth telescopic rod. A rotating hole is opened at the top of the drive column. A drive groove is opened on the inner wall of the rotating hole. The drive groove is spirally arranged. The drive block slides along the drive groove.

10. A method for polishing arc surfaces in bearing machining, employing the arc surface polishing equipment for bearing machining as described in any one of claims 1-9, characterized in that, Includes the following steps: S1. Set up a polishing wheel and arrange polishing blocks on one side of it for polishing the bearing end face; S2. Fix the bearing to be polished onto the pressing device at the bottom of the rotating shaft in the middle of the polishing table; S3. Start the first motor to drive the rotating shaft to rotate, which in turn drives the bearing to rotate, so that the polishing wheel and polishing block polish the outer rotating surface and end face of the bearing respectively. S4. After polishing is completed, the second motor drives the flipping block to rotate around the fixed frame, causing the rotating shaft, extrusion device and bearing to flip as a whole, and the bearing is poured into the discharge trough above the polishing table to achieve discharge.

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