Automatic ball loading device for ball bearing production

Abstract

The invention relates to the technical field of automatic ball mounting of ball bearings, and discloses an automatic ball mounting device for ball bearing production. A ball guide-in assembly is fixedly arranged on a supporting assembly, a mechanical arm is fixed to the outer edge of the top of the supporting assembly, and four first positioning assemblies are evenly distributed on the inner side of the supporting assembly; a second positioning assembly is fixed to the middle of the top of the supporting assembly, the outer diameter D of the outer ring can be visually obtained through the compression amount of a supporting spring, centering operation of the inner ring and the outer ring is completed through resilience force of the second positioning assembly, and then the outer ring and the inner ring can be centered with a positioning column. And meanwhile, the diameter d of the inner ring is detected through the compression amount of the first pressurizing spring and the second pressurizing spring, the size and the assembling number of the ball bodies can be conveniently matched according to the difference value of the outer diameter D of the outer ring and the inner diameter d of the inner ring, then the ball guiding-in assembly acts to complete the discharging operation of the corresponding ball bodies, and the ball loading accuracy and the matching degree are improved.

Description

Technical Field

[0001] This invention relates to the field of automatic ball bearing loading technology, and in particular to an automatic ball bearing loading device for ball bearing production. Background Technology

[0002] Ball bearings are an important component in modern mechanical equipment. They mainly consist of an outer ring, an inner ring, multiple balls, and two sealing rings. Currently, ball bearings are assembled manually or mechanically. Manual assembly is inefficient and costly, making it unsuitable for assembling large quantities of bearings. In most mechanical assembly processes, the inner ring is placed inside the outer ring, with one end of the inner ring close to the inner wall of the outer ring. Then, a large number of balls are poured into the gap between the two rings using a feeding machine. Finally, a cylinder or hydraulic cylinder pushes the inner ring towards the center of the outer ring, and the compressed balls are then jammed into the annular gap between the inner and outer rings.

[0003] An automatic ball bearing loading device with application number 202011329924.8 uses a servo motor to drive the rotation of the turntable and the auxiliary function of supporting equipment to sequentially realize five steps: loading the balls, installing the outer ring, installing the inner ring, ejecting the balls for assembly, and taking out the assembled bearing. Although the entire device has a small structure, it realizes an automatic and streamlined assembly process for the balls in the bearing, with high processing efficiency.

[0004] In the actual ball bearing assembly process, it is necessary to ensure the automated assembly of the workpiece and the bearing balls, as well as the compatibility of the inner and outer ring dimensions with the ball size and quantity. However, the ball bearing assembly machines currently on the market have a fixed number of balls loaded during the assembly process. In actual use, when assembling bearings of the same batch and size, the ball assembly size and quantity will not change. However, when assembling bearings of different diameters, the matching ball size will change with the change in the inner and outer ring dimensions of the bearing, and the ball quantity will also change accordingly. However, the ball bearing assembly equipment on the market cannot match the ball size and quantity according to the inner and outer ring dimensions of the bearing being assembled, resulting in a small and targeted range of ball bearing assembly operations. This makes the working mode of the device singular and rigid. Once the inner and outer ring dimensions of the bearing being assembled change, the entire ball bearing assembly operation will come to a standstill.

[0005] Therefore, it is necessary to solve the above problems by using an automatic ball loading device for ball bearing production. Summary of the Invention

[0006] The purpose of this invention is to provide an automatic ball loading device for ball bearing production, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an automatic ball loading device for ball bearing production, comprising a support assembly, a ball guide assembly fixedly disposed on the support assembly, a robotic arm fixedly disposed on the top outer edge of the support assembly, four sets of first positioning assemblies evenly distributed on the inner side of the support assembly, and a second positioning assembly fixedly disposed in the middle of the top of the support assembly.

[0008] The ball bearing guide assembly includes a storage tray with partitions evenly arranged inside. A feeding pipe is connected to the bottom of the storage tray, and a guide pipe is arranged below the feeding pipe. A servo motor is fixedly installed at the bottom of the storage tray.

[0009] The first positioning component includes a first electromagnet sheet. A fixed base is fixed on the support component. A support rod is slidably mounted on the fixed base. A clamping plate is fixedly mounted on the inner end of the support rod. A first armature plate adapted to the first electromagnet sheet is fixedly mounted on the outer end of the support rod. A support spring sleeved on the support rod is fixed between the first armature plate and the fixed base.

[0010] The second positioning component includes a positioning post, a second electromagnet plate fixed on the left side wall of the positioning post, and a third electromagnet plate fixed on the right side wall of the positioning post. Guide rods are inserted and assembled on both the second and third electromagnet plates. A second armature plate is fixed to the outer end of the left guide rod. A first compression spring sleeved on the left guide rod is fixed between the second armature plate and the second electromagnet plate. A third armature plate is fixed to the outer end of the right guide rod. A second compression spring sleeved on the right guide rod is fixed between the third armature plate and the third electromagnet plate.

[0011] Preferably, the support assembly includes a base, a support leg fixed to the bottom outer edge of the base, a vertical rod fixed to the top right side of the base, a storage tray fixed to the bottom of the inner cavity of the base, a drive motor fixed to the middle of the bottom of the base, the output end of the drive motor being fixedly connected to a second positioning assembly, and a controller fixed on the base.

[0012] Preferably, the ball bearing guide assembly further includes an outer cylinder fixed to the top of the upright, the storage tray is rotatably assembled inside the outer cylinder, the guide tube is fixed to the upright by a support rod, and the servo motor is fixedly connected to the guide tube by a fixing plate.

[0013] Preferably, the partitions are configured in six groups, and a receiving groove is configured between two adjacent groups of partitions. The receiving groove corresponds to the discharge pipe. The bottom of the outer cylinder is provided with a discharge port that communicates with the receiving groove. A discharge valve is fixedly installed in the discharge port. The bottom end of the discharge pipe corresponds to the guide pipe.

[0014] Preferably, the first positioning component is configured as four groups, the first electromagnet sheet is fixed on the inner side wall of the base, the fixing seat is fixed on the top outer edge of the storage tray, and the fixing seat corresponds to the first electromagnet sheet.

[0015] Preferably, the positioning post is fixed at the top center of the storage tray, and the positioning post has a guide channel adapted to the two sets of guide rods. The second electromagnet and the third electromagnet are symmetrically arranged on the left and right sides of the positioning post. The first pressure spring and the second pressure spring have the same structure, and the second armature plate and the third armature plate have the same structure and are symmetrically arranged on the left and right sides of the positioning post.

[0016] Preferably, the top of the storage tray is equipped with an assembly bearing, the assembly bearing includes an outer ring adapted to four sets of first positioning components, an inner ring adapted to second positioning components is provided on the inner side of the outer ring, and ball bearings are uniformly assembled between the outer ring and the inner ring.

[0017] Preferably, the bottom end of the feed tube corresponds to the gap between the outer ring and the inner ring, and the size of the ball bearing is smaller than the inner diameter of the feed tube.

[0018] Preferably, the robotic arm is fixed to the top left side of the base, and a magnetic chuck is fixedly assembled at the output end of the robotic arm. The size of the magnetic chuck is adapted to the assembly bearing, and the magnetic chuck is elliptical.

[0019] Preferably, the clamping plate is an arc-shaped plate, and a silicone sleeve is fixedly fitted on the outer side wall of the clamping plate, and both the second armature plate and the third armature plate are arc-shaped plates.

[0020] The technical effects and advantages of this invention are as follows:

[0021] 1. This invention completes the centering operation of the outer ring through the compression and rebound force of the first positioning component, which can quickly realize the positioning operation of the outer ring. At the same time, it can provide a limiting clamping force for the outer ring. After the clamping plate completes the positioning operation of the outer ring, the outer diameter D of the outer ring can be directly obtained by the compression amount of the support spring. The rebound force of the second positioning component completes the centering operation of the inner ring and the outer ring. Then, both the outer ring and the inner ring will be aligned with the positioning post. At the same time, the diameter d of the inner ring is detected by the compression amount of the first pressure spring and the second pressure spring, which facilitates the matching of the size and assembly quantity of the ball bearings based on the difference between the outer diameter D of the outer ring and the inner diameter d of the inner ring.

[0022] 2. This invention controls the second electromagnet to be energized while the third electromagnet is not energized. The current value introduced into the second electromagnet is determined by the difference between D and d. This allows the second electromagnet to generate a magnetic repulsion force on the second armature plate after a reverse current is introduced. This force causes the second armature plate to apply a pushing force to the left side of the inner ring. The length by which the inner ring moves to the left is the distance between the outer and inner rings. Under the pushing force of the second armature plate, the inner ring overcomes the compression and rebound force of the second pressure spring and moves to the left. This allows the left side of the inner ring to fit against the left side of the outer ring, while a larger guide gap is created between the right side of the inner ring and the outer ring, facilitating the introduction of the ball bearings.

[0023] 3. This invention uses a first positioning component to fix the outer ring and a second positioning component to re-align the inner ring, facilitating the even distribution of the ball bearings between the outer and inner rings after feeding. The drive motor rotates the second positioning component, and as it rotates, the third armature plate remains in constant contact with the inner wall of the inner ring. The friction between the third armature plate and the inner wall of the inner ring causes the inner ring to rotate synchronously with the second positioning component. This rotation of the inner ring ensures that the prepared ball bearings are evenly distributed in the annular gap between the outer and inner rings, resulting in high ball loading efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall first-view structure of the present invention.

[0025] Figure 2 This is a schematic diagram of the overall second-view structure of the present invention.

[0026] Figure 3 This is a schematic diagram of the ball bearing guide assembly and robotic arm assembly structure of the present invention.

[0027] Figure 4 This is a schematic diagram of the ball bearing inlet assembly structure of the present invention.

[0028] Figure 5 This is a schematic diagram of the first positioning component, the second positioning component, and the assembly structure of the bearing assembly according to the present invention.

[0029] Figure 6 This is an enlarged structural diagram of part A of the present invention.

[0030] Figure 7 This is a schematic diagram of the structure of the second positioning component of the present invention.

[0031] In the diagram: 1. Support assembly; 11. Base; 12. Support leg; 13. Upright pole; 14. Drive motor; 15. Controller; 16. Storage tray; 2. Ball bearing guide assembly; 21. Outer cylinder; 22. Storage tray; 23. Partition; 24. Discharge port; 25. Discharge pipe; 26. Guide pipe; 27. Servo motor; 3. Robot arm; 31. Magnetic chuck; 4. First positioning assembly; 41. First electromagnet plate; 42. Fixed base; 43. Support rod; 44. First armature plate; 45. Support spring; 46. Clamping plate; 5. Second positioning assembly; 51. Positioning column; 52. Second electromagnet plate; 53. Third electromagnet plate; 54. Guide rod; 55. Second armature plate; 56. Third armature plate; 57. First pressure spring; 58. Second pressure spring; 6. Assembly bearing; 61. Outer ring; 62. Inner ring; 63. Ball bearing. Detailed Implementation

[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0033] This invention provides, for example Figures 1 to 7 An automatic ball loading device for ball bearing production is shown, comprising a support assembly 1, a ball guide assembly 2 fixedly mounted on the support assembly 1, a robot arm 3 fixedly mounted on the top outer edge of the support assembly 1, four sets of first positioning assemblies 4 evenly distributed on the inner side of the support assembly 1, a second positioning assembly 5 fixedly mounted in the middle of the top of the support assembly 1, and an assembly bearing 6 mounted on the top of the storage tray 16. The assembly bearing 6 includes an outer ring 61 adapted to the four sets of first positioning assemblies 4, an inner ring 62 adapted to the second positioning assembly 5 disposed on the inner side of the outer ring 61, and ball bodies 63 evenly assembled between the outer ring 61 and the inner ring 62.

[0034] In actual use, initially, the robotic arm 3 suctions and clamps the outer ring 61 inside the first positioning component 4. This allows the first positioning component 4 to perform real-time clamping of the outer ring 61, and simultaneously detects the diameter D of the outer ring 61 based on the compression of the support spring 45. Then, the robotic arm 3 suctions and clamps the inner ring 62 outside the second positioning component 5. This allows the second positioning component 5 to provide unilateral support for the inner ring 62, creating a gap between the outer ring 61 and the inner ring 62 large enough to accommodate the ball bearing 63. This allows the inner ring 62 to be pushed to fit against the inner wall of the outer ring 61. At this point, the compression of the first pressure spring 57 and the second pressure spring 58 can be used to... The sum of the compression amounts can be used to detect the diameter d of the inner ring 62. The difference between D and d can be used to match the size of the ball bearing 63 with the corresponding diameter. At the same time, the corresponding number of balls 63 is matched according to their size and introduced between the outer ring 61 and the inner ring 62. Then, the inner ring 62 can be centered by the second positioning component 5. The rotation of the second positioning component 5 can drive the inner ring 62 to rotate, so that the introduced balls 63 are evenly distributed in the annular gap between the outer ring 61 and the inner ring 62, thus completing the automatic ball loading of the bearing 6. Then, the robot arm 3 removes the completed bearing 6 and repeats the above operation steps to complete the automatic ball loading operation of the bearing.

[0035] Please see Figures 2-4 The ball bearing guide assembly 2 includes a storage tray 22, in which partitions 23 are evenly arranged. A feeding pipe 25 is connected to the bottom of the storage tray 22, and a guide pipe 26 is arranged below the feeding pipe 25. A servo motor 27 is fixedly installed at the bottom of the storage tray 22.

[0036] Please see Figures 1-2 The support component 1 includes a base 11, with a support leg 12 fixed to the bottom outer edge of the base 11, a vertical rod 13 fixed to the top right side of the base 11, a storage tray 16 fixed to the bottom of the inner cavity of the base 11, and a drive motor 14 fixed to the bottom middle of the base 11. The output end of the drive motor 14 is fixedly connected to the second positioning component 5. A controller 15 is fixed on the base 11. In actual use, the controller 15 can achieve integrated control of the entire device, while the vertical rod 13 can fix the ball guide component 2, which facilitates the support and fixation of the ball guide component 2.

[0037] Please see Figures 1-4The ball bearing guide assembly 2 also includes an outer cylinder 21 fixed to the top of the upright 13, a storage tray 22 rotatably assembled inside the outer cylinder 21, a guide pipe 26 fixed to the upright 13 by a support rod, a servo motor 27 fixedly connected to the guide pipe 26 by a fixing plate, six sets of partitions 23, and a receiving groove between two adjacent sets of partitions 23, and the receiving groove corresponds to the discharge pipe 25. The bottom of the outer cylinder 21 is provided with a discharge port 24 communicating with the receiving groove, and a discharge valve is fixedly assembled inside the discharge port 24. The bottom end of the discharge pipe 25 corresponds to the guide pipe 26.

[0038] Different receiving slots within the storage tray 22 can accommodate ball bearings 63 of various sizes, facilitating real-time allocation according to different assembly requirements. The storage tray 22 can rotate within the outer cylinder 21, allowing rotation driven by the servo motor 27. This enables the feeding pipe 25 and guide pipe 26 at different positions to correspond, allowing ball bearings 63 of different sizes within the storage tray 22 to be fed according to different assembly needs. Furthermore, the feeding control of the feeding valve allows for precise control of the ball bearings 63 feeding. This facilitates the ball bearings 63 being guided through the feeding port 24 and feeding pipe 25 into the guide pipe 26, and then into the gap between the outer ring 61 and inner ring 62, improving the ease and accuracy of ball bearing feeding.

[0039] Please see Figure 5 and Figure 6 The first positioning component 4 includes a first electromagnet piece 41. A fixed seat 42 is fixed on the support component 1. A support rod 43 is slidably mounted on the fixed seat 42. A clamping plate 46 is fixedly mounted on the inner end of the support rod 43. A first armature plate 44 adapted to the first electromagnet piece 41 is fixedly mounted on the outer end of the support rod 43. A support spring 45 sleeved on the support rod 43 is fixed between the first armature plate 44 and the fixed seat 42. The first positioning component 4 is configured as four sets. The first electromagnet piece 41 is fixed on the inner side wall of the base 11. The fixed seat 42 is fixed on the top outer edge of the storage tray 16, and the fixed seat 42 corresponds to the first electromagnet piece 41.

[0040] In actual use, when the outer ring 61 is placed on the storage tray 16, the controller 15 controls the first electromagnet 41 to be energized. At this time, the first electromagnet 41 will generate a magnetic attraction force on the first armature plate 44, which will then drive the first armature plate 44 to pull the support rod 43 and the clamping plate 46 towards the first electromagnet 41. In this way, the distance between the four sets of clamping plates 46 will increase synchronously. Then, the controller 15 controls the robot arm 3 to place the outer ring 61 on the storage tray 16. Then, the controller 15 controls the four sets of first electromagnets 41 to be de-energized synchronously. At this time, under the action of the compression and rebound force of the support spring 45, the clamping plate 46 at the end of the support rod 43 will move. The four clamping plates 46, pressed against the outer wall of the outer ring 61 and moving synchronously, can use the compression and rebound force of the four support springs 45 to push the clamping plates 46 against the outer ring 61, thereby enabling the outer ring 61 to be centered. This allows the centering operation of the outer ring 61 to be completed by the compression and rebound force of the support springs 45, enabling the positioning operation of the outer ring 61 to be completed quickly. At the same time, it can provide a limiting clamping force to the outer ring 61. After the clamping plates 46 complete the positioning operation of the outer ring 61, the outer diameter D of the outer ring 61 can be directly obtained by the compression amount of the support springs 45. Then, the controller 15 controls the robot arm 3 to perform the placement operation of the inner ring 62.

[0041] Please see Figure 5 and Figure 7 The second positioning component 5 includes a positioning post 51. A second electromagnet plate 52 is fixed to the left side wall of the positioning post 51, and a third electromagnet plate 53 is fixed to the right side wall of the positioning post 51. Guide rods 54 are inserted and assembled on both the second electromagnet plate 52 and the third electromagnet plate 53. A second armature plate 55 is fixed to the outer end of the left guide rod 54. A first compression spring 57 sleeved on the left guide rod 54 is fixed between the second armature plate 55 and the second electromagnet plate 52. A third armature plate 56 is fixed to the outer end of the right guide rod 54. A second pressure spring 58 is fixed between the third armature plate 56 and the third electromagnet piece 53 and is sleeved on the right guide rod 54. The positioning post 51 is fixed in the middle of the top of the tray 16. The positioning post 51 has a guide channel that matches the two sets of guide rods 54. The second electromagnet piece 52 and the third electromagnet piece 53 are symmetrically arranged on the left and right sides of the positioning post 51. The first pressure spring 57 and the second pressure spring 58 have the same structure. The second armature plate 55 and the third armature plate 56 have the same structure and are symmetrically arranged on the left and right sides of the positioning post 51.

[0042] In use, when the inner ring 62 is placed on the tray 16, the controller 15 controls the second electromagnet 52 and the third electromagnet 53 to be energized simultaneously. At this time, the second electromagnet 52 generates a magnetic attraction force on the second armature plate 55, which then overcomes the rebound force of the first pressure spring 57 and drives the second armature plate 55 to move towards the second electromagnet 52. Similarly, the third electromagnet 53 generates a magnetic attraction force on the third armature plate 56, which then overcomes the rebound force of the second pressure spring 58 and drives the third armature plate 56 towards the third electromagnet 53, providing space for the placement of the inner ring 62. Then, the controller 15 controls the robot arm 3 to move to place the inner ring 62. Subsequently, the controller 15 controls the second electromagnet 52 and the third electromagnet 53 to move towards the second electromagnet 56. When the three electromagnet plates 53 are simultaneously de-energized, the rebound force of the first pressure spring 57 and the second pressure spring 58 pushes the second armature plate 55 and the third armature plate 56 outward, respectively. Then, the second armature plate 55 and the third armature plate 56 pressurize and push the inner wall of the inner ring 62. In this way, the rebound force of the first pressure spring 57 and the second pressure spring 58 completes the centering operation between the inner ring 62 and the outer ring 61. Then, both the outer ring 61 and the inner ring 62 will be aligned with the positioning post 51. At the same time, the compression of the first pressure spring 57 and the second pressure spring 58 completes the detection of the diameter d of the inner ring 62, which is convenient for matching the size and assembly quantity of the ball body 63 according to the difference between the outer diameter D of the outer ring 61 and the inner diameter d of the inner ring 62.

[0043] It is worth noting that the larger the difference between the outer diameter D of the outer ring 61 and the inner diameter d of the inner ring 62, the larger the diameter of the ball bearing 63 needs to be, and the greater the load-bearing capacity of this type of bearing. At the same time, when D is constant, the number of ball bearings 63 required for this type of bearing decreases. Similarly, the smaller the difference between the outer diameter D of the outer ring 61 and the inner diameter d of the inner ring 62, the smaller the diameter of the ball bearing 63 needs to be, and the smaller the load-bearing capacity of this type of bearing. At the same time, this type of bearing requires higher rotational accuracy, and when D is constant, the number of ball bearings 63 required for this type of bearing increases. Otherwise, this type of bearing is prone to ball bearing 63 falling out. Therefore, when the difference between D and d is different, the size and number of ball bearings 63 will change accordingly to ensure the assembly matching degree of the assembled bearing 6 and improve the working stability.

[0044] Please see Figures 1-3 The robotic arm 3 is fixed on the top left side of the base 11. The output end of the robotic arm 3 is fixedly equipped with a magnetic chuck 31. The size of the magnetic chuck 31 is adapted to the assembly bearing 6. The magnetic chuck 31 is elliptical. The magnetic chuck 31 can achieve magnetic assembly of the outer ring 61 and the inner ring 62. At the same time, it can also unload the assembly bearing 6 after the bearing 6 is filled with beads.

[0045] It is worth noting that the vertical and curved sections of the guide tube 26 are connected by flexible bellows. This allows for space to be provided for the unloading of the bearing 6 when the manipulator 3 moves and the magnetic chuck 31 grips the bearing 6 and is squeezed against the guide tube 26, thanks to the bending deformation of the flexible bellows. The guide tube 26 then resets, ensuring that the ball bearing 63 aligns precisely with the gap between the outer ring 61 and the inner ring 62 during unloading. Please refer to [link to relevant documentation]. Figure 5 The gap between the bottom end of the feed tube 26 and the outer ring 61 and inner ring 62 corresponds exactly. The size of the ball 63 is smaller than the inner diameter of the feed tube 26, which facilitates the introduction of the ball 63.

[0046] Please see Figure 6 and Figure 7 The clamping plate 46 is an arc-shaped plate, and a silicone sleeve is fixedly fitted on the outer side wall of the clamping plate 46. The second armature plate 55 and the third armature plate 56 are both arc-shaped plates.

[0047] In actual use, after the first positioning component 4 completes the measurement of the outer ring 61 diameter D and the second positioning component 5 completes the measurement of the inner ring 62 diameter d, the controller 15 automatically matches the corresponding ball bearing 63 according to the difference between D and d. That is, the controller 15 controls the servo motor 27 to rotate, driving the storage tray 22 to rotate on the outer cylinder 21, so that the receiving groove containing the ball bearing 63 corresponds to the guide tube 26. During this process, the controller 15 controls the second electromagnet 52 to be energized while the third electromagnet 53 is not energized, and at the same time, the current introduced into the second electromagnet 52 is... The value is determined by the difference between D and d. After the second electromagnet plate 52 introduces a reverse current, it can generate a magnetic repulsion force on the second armature plate 55. This causes the second armature plate 55 to apply a pushing force to the left side of the inner ring 62. The length by which the inner ring 62 moves to the left is the distance between the outer ring 61 and the inner ring 62. Under the push of the second armature plate 55, the inner ring 62 overcomes the compression and rebound force of the second pressure spring 58 and moves to the left. In this way, the left side of the inner ring 62 can fit with the left side of the outer ring 61, while a large guide gap is generated between the right side of the inner ring 62 and the outer ring 61, which facilitates the introduction of the ball body 63.

[0048] At this time, the controller 15 controls the opening of the feeding valve to realize the feeding control of the ball body 63. That is, it can match the size of the ball body 63 in real time according to the change of the difference between D and d. At the same time, it can also control the feeding quantity through the feeding valve to ensure that the ball body 63 is introduced into the guide pipe 26 through the feeding port 24 and the feeding pipe 25, and then introduced into the gap between the outer ring 61 and the inner ring 62.

[0049] Then, the controller 15 controls the second electromagnet 52 to be energized and to receive a positive current, while the third electromagnet 53 is energized and to receive a reverse current. In this way, the second electromagnet 52 generates a magnetic attraction force on the second armature plate 55, while the third electromagnet 53 generates a magnetic repulsion force on the third armature plate 56. The magnetic repulsion force of the third electromagnet 53 on the third armature plate 56 causes the third armature plate 56 to push the inner ring 62 to the right, so that the ball bearings 63 after feeding are evenly distributed between the outer ring 61 and the inner ring 62.

[0050] During this process, the controller 15 controls the four sets of first electromagnet plates 41 to be energized synchronously and to introduce reverse current, which can generate magnetic repulsion force on the first armature plate 44, thereby pushing the clamping plate 46 at the end of the support rod 43 to synchronously squeeze the outer wall of the outer ring 61, completing the fixed limit of the outer ring 61, and preventing the outer ring 61 from shifting due to force during the second alignment of the inner ring 62.

[0051] It is worth noting that the current value introduced into the second electromagnet 52 at this time is determined by d, which can generate a magnetic attraction force on the second armature plate 55, thereby overcoming the rebound force of the first compression spring 57 and reducing the resistance of the third armature plate 56 in pushing the inner ring 62. The current value introduced into the third electromagnet 53 is the same as but opposite to the current value introduced into the second electromagnet 52. In this way, the magnetic repulsion force of the third electromagnet 53 on the third armature plate 56 completes the re-alignment operation of the inner ring 62, achieving the second positioning. During the re-alignment operation of the inner ring 62 by component 5, the controller 15 controls the drive motor 14 to work, which can drive the second positioning component 5 to rotate. As the second positioning component 5 rotates, the third armature plate 56 is in constant contact with the inner wall of the inner ring 62. Therefore, the friction between the third armature plate 56 and the inner wall of the inner ring 62 drives the inner ring 62 to rotate synchronously with the second positioning component 5. The rotation of the inner ring 62 makes the matched ball bearings 63 evenly distributed in the annular gap between the outer ring 61 and the inner ring 62.

[0052] After assembly, the controller 15 controls the first positioning component 4 and the second positioning component 5 to reset. Then, the controller 15 controls the robot arm 3 to remove the assembled bearing 6. The above operation steps are then repeated to complete the automatic bearing ball loading operation.

[0053] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic ball loading device for ball bearing production, characterized in that: It includes a support component (1), on which a ball bearing guide component (2) is fixedly installed, a robotic arm (3) is fixedly installed on the top outer edge of the support component (1), four sets of first positioning components (4) are evenly distributed on the inner side of the support component (1), and a second positioning component (5) is fixedly installed in the middle of the top of the support component (1). The ball bearing guide assembly (2) includes a storage tray (22), in which partitions (23) are evenly arranged, and a feeding pipe (25) is connected to the bottom of the storage tray (22). A guide pipe (26) is arranged below the feeding pipe (25), and a servo motor (27) is fixedly installed at the bottom of the storage tray (22). The first positioning component (4) includes a first electromagnet piece (41), a fixed seat (42) is fixed on the support component (1), a support rod (43) is slidably mounted on the fixed seat (42), a clamping plate (46) is fixedly mounted on the inner end of the support rod (43), a first armature plate (44) adapted to the first electromagnet piece (41) is fixedly mounted on the outer end of the support rod (43), and a support spring (45) sleeved on the support rod (43) is fixed between the first armature plate (44) and the fixed seat (42); The second positioning component (5) includes a positioning post (51). A second electromagnet plate (52) is fixed on the left side wall of the positioning post (51), and a third electromagnet plate (53) is fixed on the right side wall of the positioning post (51). Guide rods (54) are inserted and assembled on both the second electromagnet plate (52) and the third electromagnet plate (53). A second armature plate (55) is fixed to the outer end of the left guide rod (54). A first compression spring (57) sleeved on the left guide rod (54) is fixed between the second armature plate (55) and the second electromagnet plate (52). A third armature plate (56) is fixed to the outer end of the right guide rod (54). A second compression spring (58) sleeved on the right guide rod (54) is fixed between the third armature plate (56) and the third electromagnet plate (53).

2. The automatic ball loading device for ball bearing production according to claim 1, characterized in that: The support assembly (1) includes a base (11), a support leg (12) is fixed to the bottom outer edge of the base (11), a vertical rod (13) is fixed to the top right side of the base (11), a storage tray (16) is fixed to the bottom of the inner cavity of the base (11), a drive motor (14) is fixed to the middle of the bottom of the base (11), the output end of the drive motor (14) is fixedly connected to the second positioning assembly (5), and a controller (15) is fixed on the base (11).

3. The automatic ball loading device for ball bearing production according to claim 2, characterized in that: The ball bearing guide assembly (2) also includes an outer cylinder (21) fixed to the top of the upright (13), the storage tray (22) is rotatably assembled inside the outer cylinder (21), the guide tube (26) is fixed to the upright (13) by a support rod, and the servo motor (27) is fixedly connected to the guide tube (26) by a fixing plate.

4. The automatic ball loading device for ball bearing production according to claim 3, characterized in that: The partition (23) is set in six groups, and a receiving groove is set between two adjacent groups of partitions (23). The receiving groove corresponds to the feeding pipe (25). The bottom of the outer cylinder (21) is provided with a feeding port (24) that communicates with the receiving groove. A feeding valve is fixedly installed in the feeding port (24). The bottom end of the feeding pipe (25) corresponds to the guide pipe (26).

5. An automatic ball loading device for ball bearing production according to claim 2, characterized in that: The first positioning component (4) is set in four groups. The first electromagnet piece (41) is fixed on the inner side wall of the base (11). The fixing seat (42) is fixed on the top outer edge of the storage tray (16), and the fixing seat (42) corresponds to the first electromagnet piece (41).

6. An automatic ball loading device for ball bearing production according to claim 2, characterized in that: The positioning post (51) is fixed in the middle of the top of the tray (16). The positioning post (51) has a guide channel that matches the two sets of guide rods (54). The second electromagnet plate (52) and the third electromagnet plate (53) are symmetrically arranged on the left and right sides of the positioning post (51). The first pressure spring (57) and the second pressure spring (58) have the same structure. The second armature plate (55) and the third armature plate (56) have the same structure and are symmetrically arranged on the left and right sides of the positioning post (51).

7. An automatic ball loading device for ball bearing production according to claim 2, characterized in that: The top of the tray (16) is equipped with an assembly bearing (6), which includes an outer ring (61) adapted to four sets of first positioning components (4), and an inner ring (62) adapted to a second positioning component (5) is provided on the inner side of the outer ring (61). Ball bearings (63) are uniformly assembled between the outer ring (61) and the inner ring (62).

8. An automatic ball loading device for ball bearing production according to claim 7, characterized in that: The bottom end of the feed tube (26) corresponds to the gap between the outer ring (61) and the inner ring (62), and the size of the ball body (63) is smaller than the inner diameter of the feed tube (26).

9. An automatic ball loading device for ball bearing production according to claim 1, characterized in that: The robotic arm (3) is fixed on the top left side of the base (11). The output end of the robotic arm (3) is fixedly equipped with a magnetic chuck (31). The size of the magnetic chuck (31) is adapted to the bearing (6). The magnetic chuck (31) is elliptical.

10. An automatic ball loading device for ball bearing production according to claim 1, characterized in that: The clamping plate (46) is an arc-shaped plate, and a silicone sleeve is fixedly fitted on the outer side wall of the clamping plate (46). The second armature plate (55) and the third armature plate (56) are both arc-shaped plates.

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