Low-noise mute bearing, size on-line detection device and processing equipment applying same

Abstract

The invention relates to the technical field of bearing machining, in particular to a low-noise mute bearing and grinding equipment thereof. The invention discloses a low-noise mute bearing which comprises two bearing inner rings, the invention relates to a low-noise silent bearing size online detection device and grinding equipment, and the device comprises a vertically arranged mounting seat; the feeding mechanism is arranged on one side of the mounting seat; the discharging mechanism is arranged below the feeding mechanism; the workbench is arranged on the other side of the mounting seat; the grinding mechanism is arranged on the adjacent side of the workbench and used for machining and grinding the roller path; and the feeding and transferring mechanism is arranged in the middle of the mounting seat, is used for transferring the bearing inner ring from the feeding mechanism to the grinding mechanism and the positioning mechanism, and is arranged on the outer side of the workbench. The low-noise mute bearing grinding equipment has the beneficial effects that feeding and discharging can be automatically achieved, the automation degree is high, the working efficiency is high, the machining precision is high, and the application range is wide.

Description

Technical Field

[0001] The invention relates to the technical field of bearing processing, in particular to a low-noise silent bearing, an online dimension detection device and grinding processing equipment using the same. Background Art

[0002] The working principle of low-noise silent bearings is mainly based on reducing friction and vibration. By optimizing the internal structure and materials of the bearings, improving the bearing processing accuracy, and reducing the friction and wear between the balls and the inner and outer rings, the noise generation is reduced. At the same time, the sealing and lubrication of the bearings also play a key role, ensuring that the bearings remain clean and lubricated during operation, further reducing noise.

[0003] Chinese patent CN219141719U discloses a tapered roller bearing inner ring outer raceway roundness detector, including: a detection platform, a first angle adjustment mechanism and a second angle adjustment mechanism, a support shaft is rotatably provided on the detection platform, a fixing component for fixing the inner ring of the bearing is provided at the upper end of the support shaft, a first lifting mechanism and a second lifting mechanism are respectively provided on the detection platform and located on both sides of the support shaft, the first angle adjustment mechanism is arranged on the first lifting mechanism, a first micrometer is provided on the first angle adjustment mechanism, the second angle adjustment mechanism is arranged on the second lifting mechanism, and a second micrometer is provided on the second angle adjustment mechanism. This application is convenient for measurement and has high detection efficiency. However, this technical solution cannot realize online detection and cannot promptly detect bearings with unqualified dimensions, resulting in large quantities of dimensional deviations and scrap. In addition, current operators only conduct random inspections and cannot realize full online inspections. Generally, full inspections are performed offline, which requires high labor intensity. When operators are tired, the detection accuracy is relatively poor.

[0004] Chinese patent CN201380419Y discloses a device for grinding the inner raceway of a wheel hub assembly using a diamond roller grinding wheel, which is mainly composed of a machine body, a diamond roller shaft, a grinding wheel shaft, a diamond roller, a grinding wheel, and a motor, including: the center hole of the diamond roller 1 is fixedly mounted on the roller shaft, and the diamond roller shaft is arranged on a hydraulic carriage; the a″ grinding surface, b″ grinding surface, c″ grinding surface, and d″ grinding surface on the outer cylindrical surface of the diamond roller are contacted and ground together with the outer cylindrical surface of the grinding wheel mounted on the shaft, so that the outer cylindrical surface of the grinding wheel forms a′ grinding surface, b′ grinding surface, c′ grinding surface, and d′ grinding surface, and the grinding wheel is used for grinding the inner raceway of the wheel hub assembly to process the inner raceway surfaces a, b, c, and d of the wheel hub assembly. The device for grinding the inner raceway of the wheel hub assembly using a diamond roller grinding wheel reduces the process steps, has a small product size error, stable quality, and improves production efficiency.

[0005] However, this technical solution will cause large-scale vibration during the bearing processing, which will lead to large errors in the size of the processed bearings, low processing accuracy, a lot of noise during use, and a low yield rate. In addition, the processing device can only process one type of bearing and is only suitable for bearings of a single fixed size, with a small scope of application. Summary of the invention

[0006] One of the purposes of the present invention is to address the deficiencies in the prior art and provide a low-noise silent bearing. By combining two bearing inner rings to form one bearing inner ring and using two layers of inner and outer sealing rings, dust and impurities can be effectively prevented from entering the interior of the bearing, thereby maintaining the operating accuracy of the bearing, reducing friction and wear caused by impurities, and thus reducing noise. The grease (oil) inside the bearing can also be kept from being lost during use, ensuring that the bearing is in a lubricated state and reducing noise caused by insufficient lubrication.

[0007] To achieve the above object, the present invention provides the following technical solutions: A low-noise silent bearing comprises: a bearing outer ring, a bearing inner ring arranged inside the bearing outer ring, a retaining frame arranged between the bearing outer ring and the bearing inner ring, and steel balls installed on the retaining frame, and also comprises: an inner sealing ring arranged close to the outer side of the steel ball and an outer sealing ring arranged outside the inner sealing ring. The bearing inner ring is symmetrically provided with two sets of steel balls so that the two groups of steel balls roll in the raceways of the corresponding inner rings respectively.

[0008] Preferably, the inner ring of the bearing includes: an outermost large outer diameter, a raceway arranged close to the inner side of the large outer diameter, and a limiting portion for limiting the position of the retaining frame and arranged adjacent to the raceway, the retaining frame is installed between the large outer diameter and the limiting portion, the steel balls are arranged on the raceway for corresponding rolling, and a groove matching the outer side of the large outer diameter is provided.

[0009] One of the purposes of the present invention is to address the deficiencies in the prior art and to provide a low-noise and silent online bearing size detection device, wherein the driving member drives the discharging arm to press against the small end face of the inner ring of the bearing and rotate, so that the end face of the rotating disk presses tightly against the small end face of the inner ring of the bearing, thereby ensuring the accuracy of the end face as a positioning reference surface, thereby improving the detection accuracy; in addition, the inner clamping assembly clamps the inner diameter surface of the inner ring of the bearing, and the clamping inner diameter realizes the use of the inner diameter as the reference surface during the detection process, while ensuring the stability of the parts detection process, realizing the two reference positioning of the end face and the inner diameter, ensuring the detection accuracy and meeting the detection requirements; further, the electric push rod drives the detection rod to press against the raceway, and the power member drives the rotating disk to rotate while the detection table detects the raceway size, thereby realizing automatic online detection of the bearing raceway size.

[0010] To achieve the above object, the present invention provides the following technical solutions: A low-noise silent bearing size online detection device is used to process a low-noise silent bearing as described above, so that the raceway size of the inner ring of the bearing in the grinding process is fully detected online and classified and transmitted. The detection device includes: Discharging arm; A driving member, wherein the driving member drives the discharging arm to reciprocate along the axial direction of the driving member; An inner clamping assembly, the inner clamping assembly is used to clamp the inner diameter surface of the inner ring of the bearing, and one end of the inner clamping assembly is connected to the discharge arm; and A detection component is installed on the discharge arm to detect the raceway size of the inner ring of the bearing online.

[0011] Preferably, the detection component comprises: A rotating disk, the rotating disk is rotatably mounted on one end of the inner clamping assembly; the clamping end of the inner clamping assembly is arranged through the center of the rotating disk; A power member, the power member is connected to the discharging arm and drives the rotating disk to rotate through a gear set; A plurality of electric push rods are evenly distributed along the circumference of the rotating disk, and the plurality of electric push rods move synchronously; and A detection rod, which is mounted on the electric push rod and moves back and forth with the electric push rod, one of the detection rods is provided with a detection gauge, and the remaining detection rods serve as detection support points; The driving member drives the discharging arm to press against the small end face of the inner ring of the bearing and rotate, so that the end face of the rotating disk presses tightly against the small end face of the inner ring of the bearing, the inner clamping assembly clamps the inner diameter face of the inner ring of the bearing, the electric push rod drives the detection rod to press against the raceway, the power member drives the rotating disk to rotate, and the detection table detects the raceway size at the same time.

[0012] Another object of the present invention is to address the shortcomings of the prior art and provide a low-noise and silent bearing grinding processing equipment. Through the reciprocating circular motion of the feeding and transporting mechanism and the detection device (including the discharging action), combined with a positioning mechanism for limiting the position of the inner ring of the bearing to be processed, the processing equipment can automatically and accurately load and unload materials, with a high degree of automation, thereby ensuring work efficiency.

[0013] To achieve the above object, the present invention provides the following technical solutions: A low-noise and silent bearing grinding processing equipment, comprising: the above-mentioned low-noise and silent bearing size online detection device, mainly used for processing and grinding the raceway of the inner ring of the bearing, and also comprising: A vertically disposed mounting base; A feeding mechanism, arranged on one side of the mounting seat; A discharging mechanism, arranged below the feeding mechanism; A workbench, arranged on the other side of the mounting seat; A grinding mechanism, arranged on the adjacent side of the workbench and used for machining and grinding the raceway; A feeding and transferring mechanism, arranged in the middle of the mounting seat, for transferring the inner ring of the bearing from the feeding mechanism to the grinding mechanism; It also includes a low-noise and silent bearing size online detection device as described above, which is arranged adjacent to the feeding and transporting mechanism and is used to complete the online detection of the ground bearing inner ring raceway size and transfer it to the discharging mechanism; and A positioning mechanism, arranged on the outside of the workbench and used for positioning the inner ring of the bearing; The feeding and transporting mechanism performs reciprocating circular motion.

[0014] Preferably, the feeding mechanism includes: an inclined feeding trough, a baffle arranged on the opposite side of the feeding trough, a moving block arranged below the feeding trough, a limiting seat arranged below the moving block, and a limiting partition arranged on the outer side of the feeding trough.

[0015] Preferably, the discharging mechanism comprises: A first discharging track, used for receiving the processed inner ring of the bearing; A first discharge port, arranged at the bottom end of the first discharge track; A second discharging track, arranged on one side of the first discharging track; A receiving seat, arranged below the second discharging track; A rotating partition is arranged between the first discharge track and the second discharge track; A discharging classification component is arranged at the end of the second discharging track; A first material receiving trough is arranged directly below the first material outlet; A second material receiving trough is arranged below the material discharging and sorting assembly; and A third material receiving trough, arranged at an adjacent side of the second material receiving trough; The material discharging classification assembly comprises: a slider slidably connected to one side of the receiving seat, a second material discharging port arranged at one end of the slider, a third material discharging port arranged at the other end of the slider and close to the second material discharging port, and a reciprocating moving member for controlling the movement of the slider; The second material receiving trough is arranged directly below the second material discharging port, and the third material receiving trough is arranged directly below the third material discharging port.

[0016] Preferably, the grinding mechanism comprises: a support seat, a mounting frame slidably connected to the support seat, a grinding piece arranged on the mounting frame, and a moving component arranged at the bottom of the support seat for driving the mounting frame to move; The shape of the polishing piece is adapted to the shape of the inner ring of the bearing; The moving assembly includes: a servo motor, a screw rod arranged at the output end of the servo motor, fixed blocks arranged at both ends of the screw rod, and a moving seat arranged between the fixed blocks and rotatably connected to the screw rod, and the moving seat is fixedly connected to the mounting frame.

[0017] Preferably, the feed transfer mechanism includes: a driving member arranged at the bottom of the mounting seat, a feed arm rotatably connected to the output end of the driving member, and a feed gripper arranged at the end of the feed arm.

[0018] Preferably, the positioning mechanism comprises: a fixing seat, a horizontal positioning component arranged at one end of the fixing seat for positioning the horizontal position of the bearing inner ring, and a vertical positioning component arranged at the other end of the fixing seat for positioning the vertical position of the bearing inner ring; The horizontal positioning assembly comprises: a horizontal positioning seat fixedly connected to the fixed seat, a horizontal adjustment seat horizontally fixedly connected to the horizontal positioning seat, a first V-shaped block rotatably connected to one end of the horizontal adjustment seat, and a floating positioning member arranged between the horizontal adjustment seat and the first V-shaped block; The vertical positioning assembly comprises: a vertical positioning seat vertically arranged on the fixing seat, a vertical adjustment seat horizontally fixedly connected to the vertical positioning seat, and a second V-shaped block fixedly connected to one end of the vertical adjustment seat; The first V-shaped block and the second V-shaped block are both provided with protrusions matching the outer shape of the bearing inner ring.

[0019] Preferably, it further comprises: a trimming mechanism disposed on one side of the grinding mechanism, the trimming mechanism comprising: a base disposed close to the grinding mechanism, a pushing member slidably connected to the base, and a trimming member disposed at an output end of the pushing member; The outer shape of the grinding part of the grinding piece is matched with the outer shape of the bearing inner ring.

[0020] The beneficial effects of the present invention are: (1) The present invention optimizes the structure of the bearing by arranging two bearing inner rings to form one bearing inner ring, which can provide better load-bearing capacity and rigidity, thereby ensuring the stability of the entire bearing and reducing the noise generated by structural deformation. The bearing inner ring mainly includes a large outer diameter, a raceway and a limiter, and its structure is simpler and more stable. The three cooperate with each other to make the steel ball run more stably and firmly, reduce the friction between the steel ball and the bearing inner ring, and thus reduce the noise.

[0021] (2) The present invention uses an online bearing size detection device to enable the inner ring of the bearing to be fully inspected online in a timely manner after each processing, without the need for separate inspection or random inspection. Unqualified products can be discovered in a timely manner, thereby improving inspection efficiency, ensuring the yield rate, and reducing a large amount of manpower. It has a high degree of automation and high work efficiency.

[0022] (3) The present invention drives the discharging arm to press against the small end face of the inner ring of the bearing and rotate through the driving member, so that the end face of the rotating disk is tightly pressed against the small end face of the inner ring of the bearing, ensuring the accuracy of the end face as a positioning reference surface, thereby improving the detection accuracy; in addition, the inner clamping assembly clamps the inner diameter surface of the inner ring of the bearing, and the inner diameter is clamped to realize the use of the inner diameter as the reference surface during the detection process, while ensuring the stability of the part detection process, realizing the two reference positioning of the end face and the inner diameter, ensuring the detection accuracy and meeting the detection requirements; further, the electric push rod drives the detection rod to press against the raceway, the power member drives the rotating disk to rotate, and the detection table detects the raceway size at the same time, realizing the automatic online detection of the bearing raceway size.

[0023] (3) The present invention uses a positioning mechanism to position the inner ring of the bearing to be processed in the horizontal and vertical directions respectively, and the horizontal direction is floating positioning. The size error of the inner ring of the bearing after processing is small, which can maximize the processing accuracy of the inner ring of the bearing. The positioning mechanism can be adjusted accordingly according to the different sizes of the inner ring of the bearing, thereby ensuring that each inner ring of the bearing can be accurately positioned, and has a wide range of applications.

[0024] (4) The present invention uses magnetic suction and an air shaft to load and unload the inner ring of the bearing. No complicated tools or equipment are required. The inner ring of the bearing can be quickly fixed in a specified position by utilizing the adsorption effect of the magnetic part and the expansion or contraction effect of the air shaft. This process will not generate mechanical friction on the surface of the inner ring of the bearing, thereby protecting the integrity of the inner ring of the bearing. In addition, the magnetic suction loading and unloading is not limited by the size and shape of the inner ring of the bearing. A suitable magnetic suction cup can be selected according to the specific situation of the inner ring of the bearing. It is suitable for various types of inner rings of bearings.

[0025] (5) The present invention realizes the classified collection of good products (bearing inner ring raceway dimensions are qualified), defective products (bearing inner ring raceway dimensions are too large) and waste products (bearing inner ring raceway dimensions are too small) by setting three material receiving troughs, which has high work efficiency and defective products can be recycled for secondary processing without waste.

[0026] (6) The present invention controls the overall position movement of the grinding mechanism through a moving component, so that the position of the grinding mechanism can be adjusted accordingly according to the different sizes of the inner ring of the bearing. Specifically, the movement of the grinding part is precisely controlled by driving the lead screw through a servo motor, and the moving seat on the lead screw drives the mounting frame. The operation process has small errors and high precision, thereby ensuring the processing accuracy of the inner ring of the bearing.

[0027] (7) The present invention corrects the grinding piece on the grinding mechanism through the dressing mechanism, so that the grinding mechanism can still ensure the grinding effect of the grinding piece on the inner ring of the bearing after multiple processing, that is, the processing accuracy of the inner ring of the bearing is guaranteed. The whole process has a high degree of automation, less manual operation, high work efficiency, and is easy to use.

[0028] In summary, the present invention has the advantages of being able to automatically realize loading and unloading, being able to automatically detect and classify the processed bearing inner ring raceway, having a high degree of automation, high work efficiency, high processing accuracy, and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a cross-sectional view of the overall structure of the first embodiment of the present invention; Figure 2 This is a schematic structural diagram of a combined bearing inner ring according to an embodiment of the present invention; Figure 3 It is a cross-sectional view of a single bearing inner ring of Embodiment 1 of the present invention; Figure 4 This is a schematic diagram of the overall structure of Embodiment 2 of the present invention; Figure 5 for Figure 4 The enlarged view of point B; Figure 6 This is a schematic diagram of the structure of a detection component in Embodiment 2 of the present invention; Figure 7 This is a schematic diagram of the overall structure of Embodiment 3 of the present invention; Figure 8 for Figure 7 A magnified image of point A; Fig. 9 This is a schematic diagram of the structure of the discharging mechanism of Embodiment 3 of the present invention; Fig.10 This is a schematic diagram of the structure of the feed transfer mechanism and the detection device of the third embodiment of the present invention; Fig.11This is a schematic diagram of the structure of a horizontal positioning assembly according to Embodiment 3 of the present invention; Fig.12 This is a schematic diagram of the structure of a vertical positioning assembly according to Embodiment 3 of the present invention; Fig.13 This is an exploded view of the grinding mechanism of the third embodiment of the present invention; Fig.14 It is a schematic diagram of the overall structure of the fourth embodiment of the present invention. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0032] Embodiment 1 like Figure 1-3As shown, this embodiment provides a low-noise silent bearing, including: a bearing outer ring 100, a bearing inner ring 200 arranged inside the bearing outer ring 100, a retaining frame 300 arranged between the bearing outer ring 100 and the bearing inner ring 200, and a steel ball 400 installed on the retaining frame 300, and also includes: an inner sealing ring 500 arranged close to the outside of the steel ball 400 and an outer sealing ring 600 arranged outside the inner sealing ring 500. The bearing inner ring 200 is symmetrically provided with two groups of steel balls 400, so that the two groups of steel balls 400 roll in the raceways 2120 of the corresponding inner rings 200 respectively. The two bearing inner rings 200 optimize the structure of the bearing, can provide better load-bearing capacity and rigidity, and thus ensure the stability of the entire bearing to reduce the noise caused by structural deformation.

[0033] Among them, the inner sealing ring 500 and the outer sealing ring 600 are used together to effectively prevent dust and impurities from entering the bearing, thereby maintaining the operating accuracy of the bearing, reducing friction and wear caused by impurities, and thus reducing noise. It can also prevent the grease oil inside the bearing from being lost during use, ensuring that the bearing is in a lubricated state and reducing noise caused by insufficient lubrication.

[0034] At the same time, the inner sealing ring 500 and the outer sealing ring 600 are both designed with vibration-damping materials to reduce vibration transmission and reduce noise generation.

[0035] In this embodiment, the bearing inner ring 200 includes: an outermost large outer diameter 2110, a raceway 2120 arranged close to the inner side of the large outer diameter 2110, and a limiting portion 2130 for limiting the position of the retaining frame 300 and adjacent to the raceway 2120. The retaining frame 300 is installed between the large outer diameter 2110 and the limiting portion 2130, and the steel ball 400 is correspondingly rolled on the raceway 2120. The outer side of the large outer diameter 2110 is provided with a groove 2140 adapted to the outer sealing ring 600, which forms a snap connection with the outer sealing ring 600, thereby ensuring the sealing of the bearing and further reducing noise.

[0036] In this embodiment, the heights of the large outer diameter 2110, the raceway 2120 and the limit portion 2130 are arranged in decreasing order, which can not only ensure the stable and firm installation of the steel ball 400, but also greatly reduce the friction between the steel ball 400 and the bearing inner ring 200, thereby reducing noise.

[0037] Of course, the diameter of the raceway 2120 is equal to the diameter of the steel ball 400, thereby ensuring that the steel ball 400 does not vibrate significantly and ensuring the stability of the steel ball 400 during movement, thereby reducing noise.

[0038] In addition, the bearing generally uses polyurea thickener type grease, with a kinematic viscosity of 145mm2 / s at 40°C, a minimum temperature of -40°C, a maximum temperature of 180°C, water resistance or rust resistance of B, extreme pressure of B, consistency grade of 2, dropping point of 270°C, and cone penetration of 280. By selecting excellent grease, the bearing is guaranteed to be lubricated smoothly during long-term operation, thereby ensuring silent operation of the bearing during operation.

[0039] Embodiment 2 like Figure 4-6 As shown, this embodiment provides a low-noise silent bearing size online detection device, which is used to process a low-noise silent bearing as described in Example 1, so that the size of the raceway 2120 of the inner ring 200 of the bearing in the grinding process is fully detected online and classified and transmitted. The detection device includes: Discharging arm 71; A driving member 61, wherein the driving member 61 drives the discharging arm 71 to reciprocate along the axial direction of the driving member 61; An inner clamping assembly 72, the inner clamping assembly 72 is used to clamp the inner diameter surface of the bearing inner ring 200, one end of the inner clamping assembly 72 is connected to the discharge arm 71, and the inner clamping assembly 72 is preferably an inflatable shaft gripper; and The detection component 73 is installed on the discharge arm 71 to detect the size of the raceway 2120 of the bearing inner ring 200 online.

[0040] Preferably, the detection component 73 includes: A rotating disk 731, wherein the rotating disk 731 is rotatably mounted on one end of the inner clamping assembly 72; the clamping end of the inner clamping assembly 72 is disposed through the center of the rotating disk 731; A power member 732, the power member 732 is connected to the discharging arm 71, and drives the rotating disk 731 to rotate through a gear set 733; A plurality of electric push rods 734 are evenly distributed along the circumference of the rotating disk 731 , and the plurality of electric push rods 734 move synchronously; and Detection rod 735, the detection rod 735 is installed on the electric push rod 734 and moves back and forth with the electric push rod, one of the detection rods 735 is provided with a detection gauge 736, and the remaining detection rods 735 serve as detection support points, the electric push rod 734 can be adjusted accordingly according to the thickness of the bearing inner ring 200, so that the detection rod 735 can directly abut the raceway 2120 to ensure the accuracy of the detection result; The driving member 61 drives the discharging arm 71 to press against the small end face 220 of the bearing inner ring 200 and rotate, so that the end face of the rotating disk 731 presses tightly against the small end face 220 of the bearing inner ring 200, ensuring that the rotating disk 731 can be in stable contact with the small end face; the inner clamping assembly 72 clamps the inner diameter surface of the bearing inner ring 200, and is used as a detection reference with the inner diameter surface as the fixing of the bearing inner ring at the same time; the electric push rod 734 drives several detection rods 735 to press against the raceway 2120 synchronously, and the power member 732 drives the rotating disk 731 to rotate while the detection table 736 detects the size of the raceway 2120.

[0041] Of course, the electric push rod 734 can adopt a three-jaw servo electric clamp, which is a prior art and the detailed structure is not described in this application. It has a high repeatability positioning accuracy, which can reach 0.001mm, meeting the requirements of high-precision dimensional detection.

[0042] In addition, it should be noted that the test table 736 has the function of automatically reading the measured values ​​and feeding back to the control system. The control system determines whether the dimensions are qualified based on the values ​​of the test table 736. The dimensions include but are not limited to the diameter of the raceway 2120, ovality, runout, roundness, position of the raceway 2120, etc.

[0043] Embodiment 3 like Figure 7-13 As shown, this embodiment provides a low-noise and silent bearing grinding equipment, which is mainly used for processing and grinding the bearing inner ring 200 part of the bearing described in Example 1, including: a vertically arranged mounting seat 1, a feeding mechanism 2 arranged on one side of the mounting seat 1, a discharging mechanism 3 arranged below the feeding mechanism 2, a workbench 4 arranged on the other side of the mounting seat 1, a grinding mechanism 5 arranged on the adjacent side of the workbench 4 and used for processing and grinding the raceway 2120, a feeding transfer mechanism 6 arranged in the middle of the mounting seat 1 for transferring the bearing inner ring 200 from the feeding mechanism 2 to the grinding mechanism 5, and a feeding transfer mechanism 6 arranged on the feeding transfer mechanism 6 is adjacent to the discharging and transporting mechanism 7 for transferring the ground bearing inner ring 200 to the discharging mechanism 3, and the positioning mechanism 8 is arranged on the outside of the workbench 4 and is used to position the bearing inner ring 200. Through the cooperation of various mechanisms, automatic loading and unloading can be realized, and the unloading process automatically completes the full inspection of the size of the bearing inner ring 200 raceway 2120, and after the full inspection, the functions of automatically classifying and collecting according to whether the size is qualified or not are realized. The whole process has a high degree of automation, does not require too much manual operation, and has high work efficiency. The discharging and transporting mechanism 7 preferably adopts a low-noise and silent bearing size online detection device described in Example 2.

[0044] Among them, the feeding and transferring mechanism 6 and the detection device described in Example 2 both perform reciprocating circular motion. The feeding and transferring mechanism 6 transfers the bearing inner ring 200 from the feeding mechanism 2 to the workbench 4 for processing, and then resets it for the next grasping operation. The detection device transfers the processed bearing inner ring 200 to directly above the discharging mechanism 3, and the two do not interfere with each other.

[0045] At the same time, the workbench 4 is provided with an installation shaft 41 for driving the bearing inner ring 200 to rotate. The installation shaft 41 is generally magnetic, and can fix or loosen the bearing inner ring 200 at any time. The operation is simple and easy to use. The installation shaft 41 is against the end face of the bearing inner ring 200 and is positioned and supported by magnetic attraction, thereby ensuring the stability of the bearing inner ring 200.

[0046] In this embodiment, the feeding mechanism 2 includes: an inclined feeding trough 21, a baffle 22 arranged on the opposite side of the feeding trough 21, a moving block 23 arranged below the feeding trough 21, a limiting seat 24 arranged below the moving block 23, and a limiting partition 25 arranged on the outer surface of the feeding trough 21. The position of the moving block 23 on the mounting seat 1 is adjustable, and is specifically fixed to the mounting seat 1 through a locking member 231 passing through a mounting groove 232 on the moving block 23. The position of the locking member 231 on the mounting groove 232 can be adjusted accordingly according to the size of the actual bearing inner ring 200, and has a wide range of applications.

[0047] In this embodiment, the limit seat 24 is tilted and the tilt angle is also adjustable. A first fastener 241 for controlling the tightness of the limit seat 24 is provided at one end, and a second fastener 242 for controlling the tilt angle of the limit seat 24 is provided at the bottom. Both can be adjusted by bolts, and cooperate with the moving block 23 to clamp the bearing inner ring 200 to prevent it from falling, so that the bearing inner ring 200 is stable and in the best grasping position.

[0048] In this embodiment, a plurality of limiting mounting holes 251 are provided on the limiting partition 25, and are locked by a third fastener 252, so as to adjust the extending length of the limiting partition 25, thereby protecting the bearing inner ring 200 to be processed, preventing it from falling or protruding outward without being close to the mounting seat 1, so as to correspond to bearing inner rings 200 of different sizes, and the limiting partition 25 will not interfere with the feed transfer mechanism 6.

[0049] In this embodiment, the discharging mechanism 3 includes: a first discharging track 31 for receiving the processed bearing inner ring 200, a first discharging port 32 arranged at the bottom of the first discharging track 31, a second discharging track 33 arranged on one side of the first discharging track 31, a receiving seat 34 arranged below the second discharging track 33, a rotating partition plate 35 arranged between the first discharging track 31 and the second discharging track 33, a discharging classification component 36 arranged at the end of the second discharging track 33, a first receiving trough 37 arranged directly below the first discharging port 32, a second receiving trough 38 arranged below the discharging classification component 36, and a third receiving trough 39 arranged on the adjacent side of the second receiving trough 38. The overall structure is simple, easy to disassemble and assemble, can be automatically classified, and has high work efficiency.

[0050] In this embodiment, the discharge classification component 36 includes: a slider 361 slidably connected to one side of the receiving seat 34, a second discharge port 362 arranged at one end of the slider 361, a third discharge port 363 arranged at the other end of the slider 361 and close to the second discharge port 362, and a reciprocating moving member 364 for controlling the movement of the slider 361, the second material receiving trough 38 is arranged directly below the second material receiving port 362, the third material receiving trough 39 is arranged directly below the third material receiving port 363, the first material receiving trough 37 is a good and qualified product, the second material receiving trough 38 is used to detect that the size of the bearing inner ring 200 is larger than the actual size, and it can continue to be processed and polished for repair, and the third material receiving trough 39 is used to detect that the size of the bearing inner ring 200 is smaller than the actual size, and it is a scrap product and should be recycled.

[0051] In this embodiment, the rotating partition 35 is driven by a driving motor 351, and the driving motor 351 is mounted on a mounting block 352 on the outside of the first discharge track 31, so as to control the working state of the rotating partition 35, which can be started and stopped at the same time. When the inspection result is a qualified product, the driving motor 351 starts to work, driving the rotating partition 35 to rotate, isolating and blocking the second discharge track 33. At this time, the inner ring 200 of the bearing falls directly into the first receiving trough 37 along the first discharge port 32.

[0052] In this embodiment, the grinding mechanism 5 includes: a support seat 51, a mounting frame 52 slidably connected to the support seat 51, a grinding piece 53 arranged on the mounting frame 52, and a moving component 54 arranged at the bottom of the support seat 51 for driving the mounting frame 52 to move. The moving component 54 drives the mounting frame 52 and the grinding piece 53 to move as a whole to adapt to bearing inner rings 200 of different sizes, thereby ensuring the processing accuracy of the bearing inner ring 200.

[0053] In this embodiment, the shape of the grinding piece 53 is matched with the shape of the bearing inner ring 200, further ensuring the processing accuracy of the bearing inner ring 200 and avoiding errors. The grinding piece 53 is preferably a CBN grinding wheel or a diamond grinding wheel. The hardness of the CBN grinding wheel is very high, which enables it to efficiently grind difficult-to-process materials such as cemented carbide. The CBN grinding wheel has less wear, a long service life, and a long service life. The size, shape and morphology of the diamond abrasive particles change little during the grinding process, which is suitable for high-precision processing and has high production efficiency.

[0054] In this embodiment, the moving component 54 includes: a servo motor 541, a screw rod 542 arranged at the output end of the servo motor 541, fixed blocks 543 arranged at both ends of the screw rod 542, and a moving seat 544 arranged between the fixed blocks 543 and rotatably connected to the screw rod 542. The moving seat 544 is fixedly connected to the mounting frame 52, and the movement of the moving seat 544 is precisely controlled by the servo motor 541, so that the position of the grinding piece 53 can be precisely controlled, thereby ensuring the processing accuracy of the bearing inner ring 200.

[0055] In this embodiment, the feed transfer mechanism 6 includes: a driving member 61 arranged at the bottom of the mounting base 1, a feed arm 62 rotatably connected to the output end of the driving member 61, and a feed gripper 63 arranged at the end of the feed arm 62. The feed gripper 63 is generally magnetically attracted, which is convenient to control, simple to operate, and easy to use.

[0056] In this embodiment, when the feed gripper 63 grabs the bearing inner ring 200, the feed arm 62 will first rotate to the limit seat 24, which is the initial position of the feed gripper 63, and then the feed arm 62 drives the feed gripper 63 to move inward close to the mounting seat 1 until the bearing inner ring 200 can be completely grabbed. After the grabbing operation is completed, the feed arm 62 drives the feed gripper 63 to directly transfer the bearing inner ring 200 to the mounting shaft 41. After the mounting shaft 41 installs the bearing inner ring 200, the feed arm 62 will drive the feed gripper 63 to reset and move outward away from the mounting seat 1 until it does not affect the bearing inner ring 200, and then the feed arm 62 rotates to the initial position for the next processing.

[0057] In this embodiment, the discharging arm 71 is V-shaped, and the discharging arm 71 is located below the feeding arm 62, and the two do not interfere with each other.

[0058] In this embodiment, after the inner ring 200 of the bearing is processed, the inner clamping assembly 72 will move to the mounting shaft 41, which is the initial position of the inner clamping assembly 72, and then the discharging arm 71 drives the inner clamping assembly 72 to move inward close to the mounting seat 1 until the inner ring 200 of the bearing after processing can be completely grasped. After the grasping is completed, the discharging arm 71 drives the inner clamping assembly 72 to directly transfer the inner ring 200 of the bearing after processing to the top of the discharging mechanism 3, and then the discharging arm 71 drives the inner clamping assembly 72 to reset and move outward away from the mounting seat 1 until the inner ring of the bearing 200 can directly fall into the first discharging track 31, and then the discharging arm 71 rotates to the initial position for the next operation.

[0059] In this embodiment, during the transportation of the inner clamping assembly 72, the power part 732 provides power to drive the rotating disk 731 to rotate through the gear set 733, and the rotating disk 731 then drives the three electric push rods 734 thereon to rotate. At this time, the end of the detection rod 735 performs rotation detection on the raceway 2120 of the inner ring 200 of the bearing through the detection meter 736, and its parameters will be fed back to the control system, and the actual detection size will be displayed on the display. When the size is out of tolerance, the operator will be prompted by a prompt sound or the color of the warning light.

[0060] In this embodiment, the positioning mechanism 8 includes: a fixed seat 81, a horizontal positioning component 82 arranged at one end of the fixed seat 81 for positioning the horizontal position of the bearing inner ring 200, and a vertical positioning component 83 arranged at the other end of the fixed seat 81 for positioning the vertical position of the bearing inner ring 200.

[0061] In this embodiment, the horizontal positioning assembly 82 includes: a horizontal positioning seat 821 fixedly connected to the fixed seat 81, a horizontal adjustment seat 822 horizontally fixedly connected to the horizontal positioning seat 821, a first V-shaped block 823 rotatably connected to one end of the horizontal adjustment seat 822, and a floating positioning member 824 arranged between the horizontal adjustment seat 822 and the first V-shaped block 823. The floating positioning member 824 is preferably a spring. The floating positioning member 824 can be fine-tuned according to the actual size of the bearing inner ring 200 to ensure precise positioning during the grinding process, thereby improving the processing accuracy. That is, the floating positioning member 824 can adapt to bearing inner rings 200 with different inner diameters, and then combined with adjusting the position of the grinding member 53, bearings with different inner diameters can be ground. It has a wide range of applications and ensures the processing accuracy of the bearing inner ring 200.

[0062] In this embodiment, a first limiting groove 8211 is provided on the horizontal positioning seat 821, and a fourth fastener 8212 is passed through the first limiting groove 8211 and fixedly connected to the fixed seat 81; a second limiting groove 8221 is provided on the horizontal adjustment seat 822, and a fifth fastener 8222 is passed through the second limiting groove 8221 and fixedly connected to the horizontal positioning seat 821, so as to adapt to bearing inner rings 200 of different sizes, that is, the positions of the horizontal positioning seat 821 and the horizontal adjustment seat 822 can be adjusted accordingly according to bearing inner rings 200 of different sizes, thereby ensuring their processing accuracy.

[0063] Of course, the vertical positioning assembly 83 includes: a vertical positioning seat 831 vertically arranged on the fixed seat 81, a vertical adjustment seat 832 horizontally fixedly connected to the vertical positioning seat 831, and a second V-shaped block 833 fixedly connected to one end of the vertical adjustment seat 832. The vertical fixed seat 831 is provided with a third limiting groove 8311, and is fixedly connected to the fixed seat 81 through the third limiting groove 8311 by a sixth fastener 8312. The vertical adjustment seat 832 is provided with a fourth limiting groove 8321, and is fixedly connected to the vertical positioning seat 831 through the fourth limiting groove 8321 by a seventh fastener 8322, so as to adapt to bearing inner rings 200 of different sizes, that is, the positions of the vertical positioning seat 831 and the vertical adjustment seat 832 can be adjusted accordingly according to bearing inner rings 200 of different sizes, thereby ensuring their processing accuracy.

[0064] In addition, the first V-shaped block 823 and the second V-shaped block 833 are both provided with protrusions 825 that are compatible with the outer shape of the bearing inner ring 200. The two protrusions 825 are symmetrically arranged on the V-shaped end faces of the first V-shaped block 823 and the second V-shaped block 833, respectively. The protrusions 825 limit and fix the surface to be processed of the bearing inner ring 200, so that the bearing inner ring 200 is more stable when rotating, and there will be no deviation, thereby ensuring the processing accuracy.

[0065] The working process of this embodiment is as follows: first, the bearing inner ring 200 to be processed is placed into the feeding mechanism 2 in sequence by manual operation or a robot, and then the first bearing inner ring 200 to be processed will move along the feeding trough 21 to the limit seat 24, at which time the feeding transfer mechanism 6 starts to work, and when the feeding gripper 63 grabs the bearing inner ring 200, the feeding arm 62 will first rotate to the limit seat 24, which is the initial position of the feeding gripper 63, and then the feeding arm 62 drives the feeding gripper 63 to move inward close to the mounting seat 1 until the bearing inner ring 200 can be completely grabbed. After the grabbing operation is completed, the feeding arm 62 drives the feeding gripper 63 to directly transfer the bearing inner ring 200 to the mounting shaft 41, and the mounting shaft 41 After the bearing inner ring 200 is installed, the feed arm 62 will drive the feed gripper 63 to reset and move away from the mounting seat 1 outward until it does not affect the bearing inner ring 200, and then the feed arm 62 will rotate to the initial position for the next processing. While the feed gripper 63 grabs the bearing inner ring 200, the inner clamping assembly 72 will move to the mounting shaft 41 after the bearing inner ring 200 is processed. This is the initial position of the inner clamping assembly 72, and then the discharge arm 71 drives the inner clamping assembly 72 to move inward close to the mounting seat 1 until the processed bearing inner ring 200 can be completely grabbed. After the grabbing is completed, the discharge arm 71 drives the inner clamping assembly 72 to directly transfer the processed bearing inner ring 200 to The discharging arm 71 then drives the inner clamping assembly 72 to reset and move outward away from the mounting seat 1 until the bearing inner ring 200 can directly fall into the first discharging track 31, and then the discharging arm 71 rotates to the initial position for the next operation. During the transportation of the inner clamping assembly 72, the power piece 732 provides power to drive the rotating disk 731 to rotate through the gear set 733, and the rotating disk 731 then drives the three electric push rods 734 thereon to rotate. At this time, the end of the detection rod 735 detects the rotation of the raceway 2120 of the bearing inner ring 200, and feeds back the detection value to the control system. The control system determines whether the bearing inner ring 200 is qualified. When the detection result is qualified, the rotating spacer is The plate 35 rotates upward to separate and block the second discharge track 33. At this time, the bearing inner ring 200 will directly fall into the first receiving trough 37 along the first discharge port 32. When the detection result is that the size is larger than the normal size, the reciprocating moving part 364 will move the second discharge port 362 to the end of the second discharge track 33. At this time, the bearing inner ring 200 will directly fall into the second receiving trough 38 along the second discharge port 362. When the detection result is that the size is smaller than the normal size, the reciprocating moving part 364 will move the third discharge port 363 to the end of the second discharge track 33. At this time, the bearing inner ring 200 will directly fall into the third receiving trough 39 along the third discharge port 363. The bearing inner ring 200 is classified in this way in a continuous cycle.

[0066] Embodiment 4 like Fig.14As shown, the components identical or corresponding to those in the third embodiment are marked with the corresponding reference numerals in the third embodiment. For the sake of simplicity, only the differences from the third embodiment are described below. The fourth embodiment differs from the third embodiment in that: This embodiment also includes: a dressing mechanism 9 arranged on one side of the grinding mechanism 5 and used to repair the grinding piece 53, the dressing mechanism 9 includes: a base 91 arranged close to the grinding mechanism 5, a pushing member 92 slidably connected to the base 91, and a grinding piece 93 arranged at the output end of the pushing member 92, the grinding piece 93 is generally arranged opposite to the grinding piece 53, after the grinding piece 53 is used for a long time, it will wear or deform, which will lead to inadequate grinding of the bearing inner ring 200, there will be a large error, which does not meet the actual needs, at this time, the grinding piece 93 can grind and repair the grinding piece 53, so that the processing accuracy of the bearing inner ring 200 is not affected, and the dressing mechanism 9 does not need to be operated manually, has a high degree of automation, high work efficiency, and is easy to use.

[0067] Among them, the shape of the grinding part of the grinding piece 93 is matched with the shape of the bearing inner ring 200, so as to ensure that the shape of the grinding piece 53 and the shape of the bearing inner ring 200 can continue to maintain a matching state, thereby ensuring processing accuracy and small error.

[0068] Of course, the grinding piece 53 (CBN grinding wheel) is periodically dressed, and is dressed once every 1000 products, i.e., 1000 bearing inner rings 200, are processed. Specifically, the pushing piece 92 automatically drives the grinding piece 93 to move close to the grinding piece 53, and automatically compensates for the size of the grinding piece 53. The operation is simple. Of course, according to the material of the different grinding pieces 53, the operator can make adaptive selections for the dressing cycle according to the actual processing conditions.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-noise silent bearing, comprising: A bearing outer ring (100), a bearing inner ring (200) arranged inside the bearing outer ring (100), a retaining frame (300) arranged between the bearing outer ring (100) and the bearing inner ring (200), and a steel ball (400) mounted on the retaining frame (300), characterized in that it also includes: an inner sealing ring (500) arranged close to the outside of the steel ball (400) and an outer sealing ring (600) arranged outside the inner sealing ring (500), and two bearing inner rings (200) are symmetrically arranged so that the two groups of steel balls (400) roll in the raceways (2120) of the corresponding inner rings (200), respectively.

2. A low-noise silent bearing according to claim 1, characterized in that: The bearing inner ring (200) comprises: an outermost large outer diameter (2110), a raceway (2120) arranged close to the inner side of the large outer diameter (2110), and a limiting portion (2130) for limiting the position of the retaining frame (300) and arranged adjacent to the raceway (2120); the retaining frame (300) is installed between the large outer diameter (2110) and the limiting portion (2130); the steel ball (400) is arranged to roll on the raceway (2120); and a groove (2140) adapted to the outer sealing ring (600) is arranged on the outer side of the large outer diameter (2110).

3. A low-noise and silent bearing size online detection device, characterized in that: The detection device is used for processing a low-noise silent bearing as claimed in any one of claims 1 to 2, so that the raceway dimensions of the inner ring (200) of the bearing are fully inspected online and transmitted by classification in the grinding process, and the detection device comprises: Discharging arm (71); A driving member (61), wherein the driving member (61) drives the discharging arm (71) to reciprocate along the axial direction of the driving member (61); An inner clamping assembly (72), the inner clamping assembly (72) being used to clamp the inner diameter surface of the bearing inner ring (200), one end of the inner clamping assembly (72) being connected to the discharge arm (71); and A detection component (73), the detection component (73) is mounted on the discharge arm (71) and performs online detection of the raceway dimensions of the bearing inner ring (200).

4. The low-noise and silent bearing size online detection device according to claim 3 is characterized in that: The detection component (73) comprises: a rotating disk (731), the rotating disk (731) being rotatably mounted on one end of the inner clamping assembly (72); the clamping end of the inner clamping assembly (72) being arranged through the center of the rotating disk (731); A power member (732), the power member (732) being connected to the discharge arm (71) and driving the rotating disk (731) to rotate via a gear set (733); A plurality of electric push rods (734) are evenly distributed along the circumference of the rotating disk (731), and the plurality of electric push rods (734) move synchronously; and A detection rod (735), the detection rod (735) being mounted on the electric push rod (734) and reciprocating with the electric push rod, one of the detection rods (735) being provided with a detection gauge (736), and the remaining detection rods (735) serving as detection support points; The driving member (61) drives the discharging arm (71) to abut against the small end face (220) of the bearing inner ring (200) and rotate, so that the end face of the rotating disk (731) is tightly abutted against the small end face (220) of the bearing inner ring (200), the inner clamping assembly (72) clamps the inner diameter surface of the bearing inner ring (200), the electric push rod (734) drives the detection rod (735) to abut against the raceway, the power member (732) drives the rotating disk (731) to rotate, and the detection meter (736) detects the size of the raceway.

5. A low-noise silent bearing grinding equipment, comprising: A vertically arranged mounting base (1); A feeding mechanism (2) is arranged on one side of the mounting seat (1); A discharging mechanism (3) is arranged below the feeding mechanism (2); A workbench (4) is arranged on the other side of the mounting seat (1); A grinding mechanism (5), arranged on the adjacent side of the workbench (4) and used for machining and grinding the raceway (2120); A feeding and transfer mechanism (6), arranged in the middle of the mounting seat (1) and used for transferring the bearing inner ring (200) from the feeding mechanism (2) to the grinding mechanism (5); The invention is characterized in that it also comprises a low-noise and silent bearing size online detection device as described in any one of claims 3 to 4, wherein the online detection device is arranged adjacent to the feeding and transferring mechanism (6) and is used to complete the online detection of the raceway size of the ground bearing inner ring (200) and transfer it to the discharging mechanism (3); and A positioning mechanism (8), arranged on the outside of the workbench (4) and used to position the bearing inner ring (200); The feeding and transporting mechanisms (6) all perform reciprocating circular motion.

6. The low-noise silent bearing grinding equipment according to claim 5 is characterized in that: The feeding mechanism (2) comprises: an inclined feeding trough (21), a baffle (22) arranged on the opposite side of the feeding trough (21), a moving block (23) arranged below the feeding trough (21), a limiting seat (24) arranged below the moving block (23), and a limiting partition (25) arranged on the outer side of the feeding trough (21).

7. The low-noise silent bearing grinding equipment according to claim 5 is characterized in that: The discharging mechanism (3) comprises: A first discharge track (31) for receiving the processed bearing inner ring (200); A first discharge port (32) is arranged at the bottom end of the first discharge track (31); A second discharge track (33) arranged on one side of the first discharge track (31); A receiving seat (34) is arranged below the second material discharging track (33); A rotating partition (35) is arranged between the first discharge track (31) and the second discharge track (33); A discharge classification component (36) is arranged at the end of the second discharge track (33); A first material receiving trough (37) is arranged directly below the first material outlet (32); A second material receiving trough (38) is arranged below the material discharging classification component (36); and A third material receiving trough (39) is arranged adjacent to the second material receiving trough (38); The material discharging classification component (36) comprises: a slider (361) slidably connected to one side of the receiving seat (34), a second material discharging port (362) arranged at one end of the slider (361), a third material discharging port (363) arranged at the other end of the slider (361) and close to the second material discharging port (362), and a reciprocating moving member (364) for controlling the movement of the slider (361); The second material receiving trough (38) is arranged directly below the second material discharge port (362), and the third material receiving trough (39) is arranged directly below the third material discharge port (363).

8. The low-noise silent bearing grinding equipment according to claim 5 is characterized in that: The grinding mechanism (5) comprises: a support seat (51), a mounting frame (52) slidably connected to the support seat (51), a grinding piece (53) arranged on the mounting frame (52), and a moving component (54) arranged at the bottom of the support seat (51) and used for driving the mounting frame (52) to move; The outer shape of the grinding piece (53) is adapted to the outer shape of the bearing inner ring (200); The moving assembly (54) comprises: a servo motor (541), a screw rod (542) arranged at the output end of the servo motor (541), fixed blocks (543) arranged at both ends of the screw rod (542), and a moving seat (544) arranged between the fixed blocks (543) and rotatably connected to the screw rod (542), wherein the moving seat (544) is fixedly connected to the mounting frame (52).

9. The low-noise silent bearing grinding equipment according to claim 5, characterized in that: The feeding and transfer mechanism (6) comprises: the driving member (61) arranged at the bottom of the mounting seat (1), a feeding arm (62) rotatably connected to the output end of the driving member (61), and a feeding gripper (63) arranged at the end of the feeding arm (62).

10. The low-noise silent bearing grinding equipment according to claim 5, characterized in that: The positioning mechanism (8) comprises: a fixing seat (81), a horizontal positioning component (82) arranged at one end of the fixing seat (81) for positioning the horizontal position of the bearing inner ring (200), and a vertical positioning component (83) arranged at the other end of the fixing seat (81) for positioning the vertical position of the bearing inner ring (200); The horizontal positioning assembly (82) comprises: a horizontal positioning seat (821) fixedly connected to the fixing seat (81), a horizontal adjustment seat (822) horizontally fixedly connected to the horizontal positioning seat (821), a first V-shaped block (823) rotatably connected to one end of the horizontal adjustment seat (822), and a floating positioning member (824) arranged between the horizontal adjustment seat (822) and the first V-shaped block (823); The vertical positioning assembly (83) comprises: a vertical positioning seat (831) vertically arranged on the fixing seat (81), a vertical adjustment seat (832) horizontally fixedly connected to the vertical positioning seat (831), and a second V-shaped block (833) fixedly connected to one end of the vertical adjustment seat (832); The first V-shaped block (823) and the second V-shaped block (833) are both provided with a protrusion (825) that matches the outer shape of the bearing inner ring (200).

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