Rotating lamination assembly system for stator core production

Abstract

The application discloses a rotating lamination assembling system for stator core production, which comprises a high-speed synchronous belt connected with a blanking port of a punch press to convey stator lamination and an L-shaped support table arranged behind the high-speed synchronous belt; a conveying belt connected with a discharging end of the high-speed synchronous belt and a weighing station, a manual guide station, a camera detection station and a carrying station arranged in sequence along a conveying direction of the conveying belt are arranged on a horizontal body of the L-shaped support table; a rotating lamination assembling station is arranged on a vertical body of the L-shaped support table and is located at a side of the conveying belt and is arranged side by side with the carrying station; a support is further arranged on the vertical body of the L-shaped support table, and a carrying clamp for carrying the stator lamination on the carrying station to the rotating lamination assembling station is arranged on a top of the support. The application can solve the problem of abnormal quality of the stator caused by insufficient skills of personnel and poor operation stability.

Description

Technical Field

[0001] This invention relates to the field of motor stator core manufacturing technology, specifically to a rotary lamination assembly system for stator core manufacturing. Background Technology

[0002] In recent years, with the rise of new energy vehicles and the transformation and upgrading of the automotive industry, electric vehicles have rapidly occupied the market. Electric vehicles are mainly driven by electric motors, and the motor stator is one of the core components of the electric motor.

[0003] To eliminate the impact of material thickness variations on product performance, most stators are currently composed of stacks of stator laminations, which are machined using a punch press. During the assembly of these stacks, adjacent stacks of laminations need to be rotated at a certain angle. This process significantly increases the difficulty for manual lamination handling, requiring specialized jigs and extensive training and certification for operators. Furthermore, fatigue or negligence during operation can easily lead to misaligned laminations. Therefore, preventing stator quality defects caused by insufficient operator skills and poor operational stability is a pressing issue that our technical staff needs to address. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a rotary lamination assembly system for stator core production, so as to solve the problem of stator quality abnormalities caused by insufficient personnel skills and poor operation stability.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows.

[0006] A rotary lamination assembly system for stator core production includes a high-speed synchronous belt connected to the discharge port of a punch press to transport stator laminations, an L-shaped support platform located behind the high-speed synchronous belt, and a PLC controller for automatic control of the rotary lamination machine. The L-shaped support platform has a conveyor belt connected to the discharge end of the high-speed synchronous belt to transport the stator laminations, and a weighing station, a manual alignment station, a camera inspection station, and a handling station arranged sequentially along the direction of stator lamination transport on the conveyor belt.

[0007] The weighing station is equipped with a sorting and weighing device for sorting and weighing each stack of stator laminations as they pass through; the manual alignment station is equipped with a manual alignment device for aligning each stack of stator laminations as they pass through; the camera detection station is equipped with a camera detection device for judging the angle of each stack of stator laminations as they pass through; and the handling station is equipped with a secondary weighing mechanism for weighing each stack of stator laminations as they pass through.

[0008] The L-shaped support platform has a rotating lamination assembly station located on the side of the conveyor belt and parallel to the handling station. The rotating lamination assembly station is equipped with a rotating lamination assembly device that rotates the stator laminations at a corresponding angle according to the judgment angle of the camera detection device to ensure that the angle of the assembled stator laminations is not incorrect. The L-shaped support platform also has a bracket, and the top of the bracket is equipped with a handling gripper for transporting the stator laminations on the handling station to the rotating lamination assembly station after the rotating lamination assembly device rotates at a corresponding angle.

[0009] The output terminal of the PLC controller is connected to the controlled terminals of the high-speed synchronous belt, conveyor belt, sorting and weighing device, manual guiding device, camera detection device, secondary weighing mechanism, handling gripper and rotating stacking assembly device respectively; the PLC controller is also electrically connected to a display screen.

[0010] Preferably, the conveyor belt includes two synchronous belts that are spaced apart and rotate in the same direction; the stator fins are straddled on the two synchronous belts.

[0011] Preferably, the sorting and weighing device includes a first centering mechanism for sorting stator laminations and a primary weighing mechanism for weighing the sorted stator laminations; the secondary weighing mechanism has the same structure as the primary weighing mechanism.

[0012] The first centering mechanism includes a centering double-headed double-outlet cylinder located directly below the two synchronous belts and horizontally arranged along the width direction of the synchronous belts. The telescopic rod ends on both sides of the centering double-headed double-outlet cylinder are respectively provided with mounting seats. Two centering guide posts are arranged at intervals along the length direction of the synchronous belt on the mounting seats for clamping the stator pieces from the outside to the inside under the drive of the centering double-headed double-outlet cylinder to organize the centering of the stator pieces.

[0013] The single-stage weighing mechanism includes a lifting weighing cylinder located on one side of the centering double-headed double-outlet cylinder. The telescopic rod of the lifting weighing cylinder is set upward and fixedly connected to a weighing sensor connecting plate. A weighing sensor is set on the weighing sensor connecting plate. The detection surface of the weighing sensor is located at the center of the four centering guide columns and is connected to a horizontally set weighing tray for lifting the stator segments under the drive of the lifting weighing cylinder. The weighing tray is located at the center of the four centering guide columns and the diameter of the weighing tray is smaller than the straight-line distance between the two synchronous belts.

[0014] The output terminal of the PLC controller is connected to the controlled terminals of the centering double-headed double-outlet cylinder and the lifting weighing cylinder, respectively, and the input terminal of the PLC controller is connected to the output terminal of the weighing sensor.

[0015] Preferably, the manual alignment device includes a second centering mechanism, an alignment plate, and an alignment needle held by the operator for cooperating with the alignment plate to rotate and misalign the stator laminations in the circumferential direction to achieve alignment.

[0016] The second centering mechanism has the same structure as the first centering mechanism; the controlled end of the second centering mechanism is connected to the output end of the PLC controller.

[0017] The stator laminations are provided with a plurality of magnetic slot holes; the guide plate is provided on the conveyor belt and is located directly below the stator laminations being sorted by the second centering mechanism; the upper surface of the guide plate is provided with grooves that correspond one-to-one with the magnetic slot holes.

[0018] The guide pin includes a handheld part for the operator to hold and a guide portion located at the lower end of the handheld part, which passes through a magnetic slot hole on the stator lamination and abuts against a groove on the guide plate corresponding to the magnetic slot hole to realize the stator lamination rotating and misaligning in the circumferential direction.

[0019] Preferably, a marking groove is provided on the stator laminations; the camera detection device includes a movable cabinet located on one side of the conveyor belt and equipped with a braking function, a support frame located on one side of the camera detection station on the movable cabinet, a camera located directly above the camera detection station at the top of the support frame to determine the angle of each stack of stator laminations passing by based on the marking groove on each stack of stator laminations passing by, and a ring light source located below the camera on the support frame; the controlled ends of the camera and the ring light source are respectively connected to the output end of the PLC controller, and the output end of the camera is connected to the input end of the PLC controller.

[0020] Preferably, the rotary lamination assembly device includes a feeding and lifting electric cylinder, the telescopic rod of which is arranged upward and connected to a mounting support. A rotation angle servo motor is mounted on the mounting support, and the rotation shaft of the rotation angle servo motor is arranged upward and fixedly connected to a horizontally arranged lamination tray for stacking and handling the stator laminations handled by the transport grippers. The controlled ends of the feeding and lifting electric cylinder and the rotation angle servo motor are respectively connected to the output end of the PLC controller.

[0021] Preferably, the longitudinal body of the L-shaped support platform is provided with a manual loading station located on the side of the rotary lamination assembly station away from the handling station, for operators to place stator laminations of a different type than those output from the punch press unloading port.

[0022] Preferably, the transport gripper includes a translation mechanism located above the transport station, the rotary lamination assembly station, and the manual loading station, and capable of horizontally moving along the setting direction of the transport station, the rotary lamination assembly station, and the manual loading station. The translation mechanism is equipped with an electric push rod, the telescopic rod of which is set downward and fixedly connected to a horizontally set clamping double-headed double-outlet cylinder. The telescopic rod ends on both sides of the clamping double-headed double-outlet cylinder are respectively equipped with L-shaped mounting plates. The L-shaped mounting plates are equipped with two grippers for clamping the stator laminations on the transport station or the manual loading station under the drive of the clamping double-headed double-outlet cylinder to transport the stator laminations to the rotary lamination assembly station. The controlled ends of the translation mechanism, the electric push rod, and the clamping double-headed double-outlet cylinder are respectively connected to the output end of the PLC controller.

[0023] Preferably, the longitudinal body of the L-shaped support platform is provided with a piece-adding and piece-reducing station located on one side of the camera inspection station and arranged side by side with the rotary stacking assembly station. The piece-adding and piece-reducing station is provided with a piece-adding and piece-reducing device for providing stator pieces for adding pieces and stator pieces for reducing pieces in the rotary stacking assembly station.

[0024] The lamination addition / reduction device includes an addition / reduction lifting cylinder. The extension rod of the addition / reduction lifting cylinder is arranged upwards and fixedly connected to a horizontally arranged addition / reduction chamber support plate. The upper surface of the addition / reduction chamber support plate is provided with an addition / reduction chamber for placing stator laminations. The side wall of the addition / reduction chamber is provided with an addition / reduction chamber fullness detection sensor for detecting whether the addition / reduction chamber is full. The output end of the addition / reduction chamber fullness detection sensor is connected to the input end of the PLC controller, and the controlled end of the addition / reduction lifting cylinder is connected to the output end of the PLC controller.

[0025] Preferably, a transfer suction cup is provided on the longitudinal body of the L-shaped support platform. The transfer suction cup includes a transfer mechanism located on the side of the lamination addition / reduction station and the rotary lamination assembly station, and can move horizontally along the side of the lamination addition / reduction station and the rotary lamination assembly station. The transfer mechanism is provided with a lamination addition / reduction material picking cylinder. The telescopic rod of the lamination addition / reduction material picking cylinder is set upward and fixedly connected to a mounting frame that extends directly above the lamination addition / reduction station and the rotary lamination assembly station. The mounting frame is provided with a vacuum picking suction cup for picking up stator loose pieces on the lamination addition / reduction station or the rotary lamination assembly station. The controlled ends of the transfer mechanism and the lamination addition / reduction material picking cylinder are respectively connected to the output end of the PLC controller.

[0026] Due to the adoption of the above technical solutions, the technical progress achieved by this invention is as follows.

[0027] This invention solves the problem of stator quality abnormalities caused by insufficient personnel skills and poor operational stability. Through a high-speed synchronous belt and conveyor belt, stator laminations cut from the punch press can be transported without manual handling, greatly reducing the labor intensity of workers. A sorting and weighing device judges the weight of the stator laminations cut from the punch press, thus providing feedback on the height of the stator laminations for easy manual control of adding or removing laminations. A manual guiding device can guide the stator laminations. A camera detection device can identify the current angular position of the stator laminations. A secondary weighing mechanism at the handling station can achieve [further weighing / weighing]. Secondary weighing facilitates the calculation of cumulative weight; the rotating lamination assembly device rotates according to the angle information determined by the camera detection device, ensuring that the assembly angle of the stator laminations is accurate; a manual feeding station allows operators to replenish stator laminations of different types; a transport gripper allows stator laminations from the transport station or manual feeding station to the rotating lamination assembly device; an addition / reduction device and a transport suction cup automatically add and remove laminations when the cumulative weight exceeds a set value; and a PLC controller enables automatic control. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of the present invention;

[0029] Figure 2 This is a schematic diagram of the weighing and sorting device of the present invention;

[0030] Figure 3 This is a schematic diagram of the artificial alignment device of the present invention;

[0031] Figure 4 This is a schematic diagram of the guide pin structure of the present invention;

[0032] Figure 5 This is a schematic diagram of the camera detection device of the present invention;

[0033] Figure 6 This is a schematic diagram of the handling gripper structure of the present invention;

[0034] Figure 7 This is a schematic diagram of the translation mechanism structure of the present invention;

[0035] Figure 8 This is a top view of the addition / subtraction station and the rotary stacking assembly station of the present invention;

[0036] Figure 9 This is a side view of the addition / subtraction station and the rotary stacking assembly station of the present invention.

[0037] The components include: 1. High-speed synchronous belt; 2. Conveyor belt; 3. Weighing station; 31. Centering double-headed double-outlet cylinder; 32. Mounting base; 33. Centering guide column; 34. Lifting weighing cylinder; 35. Weighing sensor connection plate; 36. Weighing sensor; 37. Weighing tray; 4. Manual alignment station; 41. Guide plate; 42. Guide pin; 421. Handheld part; 422. Guide part; 5. Camera inspection station; 51. Moving cabinet; 52. Support frame; 53. Camera; 54. Ring light source; 6. Handling station; 7. Handling gripper; 71. Translation mechanism; 711. Linear guide rail; 712. Handling and transplanting plate; 713. Helical rack; 714. Handling and transplanting servo motor; 715. Mechanical limit switch; 72. Electric push rod; 73. Clamping double-headed double-outlet cylinder. 74. L-shaped mounting plate; 75. Gripper; 8. Adding / reducing piece station; 81. Adding / reducing piece lifting cylinder; 82. Adding / reducing piece compartment support plate; 83. Adding / reducing piece compartment; 84. Adding / reducing piece compartment full material detection sensor; 85. Adding / reducing piece compartment guide pin; 9. Rotary stacking assembly station; 91. Unloading lifting cylinder; 92. Mounting support; 93. Rotation angle servo motor; 94. Stacking piece support plate; 95. Stacking piece guide pin; 10. Manual loading station; 11. Stator loose pieces; 12. Handling suction cup; 121. Transplanting mechanism; 1211. Servo motor; 1212. Coupling; 1213. Linear belt module; 1214. Sensor; 122. Adding / reducing piece picking cylinder; 123. Mounting bracket; 124. Vacuum picking suction cup; 13. Bracket; 14. L-shaped support platform. Detailed Implementation

[0038] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0039] A rotary lamination assembly system for stator core production, combined with Figure 1As shown, the system includes a high-speed synchronous belt 1, an L-shaped support platform 14, and a PLC controller. The feed end of the high-speed synchronous belt 1 is connected to the discharge port of the punch press, and the high-speed synchronous belt 1 is used to transport the stator laminations 11 processed by the punch press. The L-shaped support platform 14 is located behind the high-speed synchronous belt 1. The horizontal body of the L-shaped support platform 14 is equipped with a conveyor belt 2, a weighing station 3, a manual alignment station 4, a camera inspection station 5, and a handling station 6. The feed end of the conveyor belt 2 is connected to the discharge end of the high-speed synchronous belt 1, and the conveyor belt 2 is used to transport the stator laminations 11. The weighing station 3, the manual alignment station 4, the camera inspection station 5, and the handling station 6 are arranged sequentially along the direction in which the stator laminations 11 are transported by the conveyor belt 2. The vertical body of the L-shaped support platform 14 is equipped with a rotating lamination assembly station 9, which is located to the side of the conveyor belt 2 and is arranged side by side with the handling station 6. A bracket 13 is also provided on the longitudinal part of the L-shaped support platform 14. A transport gripper 7 is provided on the top of the bracket 13. The transport gripper 7 is used to transport the stator wafers 11 on the transport station 6 to the rotary stacking assembly station 9. The PLC controller is used to realize the automatic control of the rotary stacking machine.

[0040] The conveyor belt 2 includes two synchronous belts, which are spaced apart and rotate in the same direction. The stator segments 11 are straddled on the two synchronous belts, and the middle part of the stator segments 11 is suspended in the air when it is transported by the conveyor belt 2.

[0041] Weighing station 3 is equipped with a sorting and weighing device, which is used to sort and weigh each stack of stator laminations 11 that passes through. Figure 2 As shown, the weighing device includes a first centering mechanism and a primary weighing mechanism.

[0042] The first centering mechanism is used to organize the stator segments 11. The first centering mechanism includes a centering double-headed double-outlet cylinder 31 located directly below the two synchronous belts and horizontally arranged along the width direction of the synchronous belts. The centering double-headed double-outlet cylinder 31 is fixedly connected to the L-shaped support platform 14 through a fixing plate at the bottom. The telescopic rod ends on both sides of the centering double-headed double-outlet cylinder 31 are respectively provided with mounting seats 32. Two centering guide posts 33 are arranged at intervals along the length direction of the synchronous belt on the mounting seats 32. The four centering guide posts 33 are used to clamp the stator segments 11 from the outside to the inside under the drive of the centering double-headed double-outlet cylinder 31, so as to organize the stator segments 11 and align the stator segments 11 with the center.

[0043] The primary weighing mechanism is used to weigh the stator segments 11 arranged by the first centering mechanism. The primary weighing mechanism includes a lifting weighing cylinder 34 located on one side of the centering double-headed double-outlet cylinder 31. The bottom of the lifting weighing cylinder 34 is fixedly connected to the L-shaped support platform 14 via a cylinder fixing transition plate. A weighing sensor connecting plate 35 is fixedly connected to the upward-facing extension rod of the lifting weighing cylinder 34. A weighing sensor 36 is mounted on the weighing sensor connecting plate 35. The detection surface of the weighing sensor 36 is located at the exact center of the four centering guide pillars 33. A horizontally positioned weighing tray 37 is connected to the detection surface of the weighing sensor 36. The weighing tray 37 is located at the exact center of the four centering guide pillars 33, and its diameter is smaller than the straight-line distance between the two synchronous belts. Driven by the lifting weighing cylinder 34, the weighing tray 37 lifts the stator segments 11, thereby allowing the weighing sensor 36 to weigh the stator segments 11. Because the four centering guide posts 33 align the stator segments 11 with the center, and the detection surface of the load cell 36 is located at the exact center of the four centering guide posts 33, the detection surface of the load cell 36 is located at the center of the stator segments 11 to be weighed, so that the stator segments 11 can be weighed accurately, and the height of the stator segments 11 can be accurately reflected by the weight.

[0044] The manual alignment station 4 is equipped with a manual alignment device, which is used to guide each stack of stator laminations 11 as it passes through. Figure 3 As shown, the manual alignment device includes a second centering mechanism, an alignment plate 41, and an alignment pin 42.

[0045] The second centering mechanism has the same structure as the first centering mechanism. The stator segments 11 transported by the conveyor belt 2 may be slightly scattered, but the stator segments 11 are circular and have several magnetic slots through them. After being sorted by the second centering mechanism, the outer circles of the stator segments 11 are aligned. At this time, the stator segments 11 only have circumferential rotational misalignment, and the misalignment angle is not too large.

[0046] The guide plate 41 is mounted on the frame of the conveyor belt 2 and is located directly below the stator segments 11 being centered by the second centering mechanism. The upper surface of the guide plate 41 has grooves that correspond one-to-one with the magnetic slot holes.

[0047] The guide pin 42 is held by the operator, such as... Figure 4As shown, it includes a handheld part 421 and a guiding part 422. The handheld part 421 is used by the operator to hold it. The guiding part 422 is disposed at the lower end of the handheld part 421. The cross-sectional dimension of the guiding part 422 is smaller than that of the handheld part 421. The guiding part 422 is used to pass through a magnetic slot hole on the stator lamination 11 and abut against a groove on the guiding plate 41 corresponding to the magnetic slot hole, thereby cooperating with the guiding plate 41 to rotate and misalign the stator lamination 11 in the circumferential direction to achieve the guiding of the stator lamination 11.

[0048] A marking groove is provided on the stator lamination 11, and a camera detection device is provided on the camera detection station 5. The camera detection device is used to determine the angle of each stack of stator laminations 11 that passes through. Figure 5 As shown, the camera inspection device includes a movable cabinet 51, which is located on one side of the conveyor belt 2. The bottom of the movable cabinet 51 is equipped with wheels, allowing it to move on the L-shaped support platform 14. The wheels are equipped with brake pads for braking. A support frame 52 is mounted on the movable cabinet 51, located on one side of the camera inspection station 5. A camera 53 is mounted on top of the support frame 52, positioned directly above the camera inspection station 5. The camera 53 can determine the angle of each stack of stator wafers 11 by using the marking grooves on each stack. A ring light source 54 is located below the camera 53, mounted on the support frame 52.

[0049] The handling station 6 is equipped with a secondary weighing mechanism. The secondary weighing mechanism has the same structure as the primary weighing mechanism. The secondary weighing mechanism is used to weigh each stack of stator laminations 11 that passes through, so as to calculate the cumulative weight and facilitate the calculation of cumulative deviation.

[0050] The rotary lamination assembly station 9 is equipped with a rotary lamination assembly device. The rotary lamination assembly device is used to rotate the stator laminations by a corresponding angle according to the judgment angle of the camera detection device, so as to ensure that the angle of the assembled stator laminations 11 will not be incorrect.

[0051] like Figures 8 to 9As shown, the rotary stacking assembly device includes a feeding lifting electric cylinder 91, which is located below the L-shaped support platform 14. The bottom of the feeding lifting electric cylinder 91 is fixedly connected to the support surface of the L-shaped support platform 14. The telescopic rod of the feeding lifting electric cylinder 91 is set upward and connected to a mounting bracket 92. The mounting bracket 92 passes through the L-shaped support platform 14. A rotation angle servo motor 93 is set on the top of the mounting bracket 92. The rotation shaft of the rotation angle servo motor 93 is set upward and fixedly connected to a horizontally set stacking tray 94. During use, the rotation angle servo motor 93 rotates at the corresponding angle according to the angle judged by the camera detection device. After the rotation angle servo motor 93 rotates at the corresponding angle, the transport gripper 7 transports the stator pieces 11 on the transport station 6 to the stacking tray 94 for stacking, thereby ensuring that the angle of the assembled stator pieces 11 will not be incorrect. When the number of times the stator pieces 11 are stacked on the stacking tray 94 reaches the set requirement, the telescopic rod of the unloading lifting cylinder 91 extends and lifts the stacking tray 94, thereby allowing the stacking tray 94 to lift the stacked stator pieces 11, making it convenient for the operator to unload. After unloading is completed, the telescopic rod of the lifting cylinder 91 retracts, and the stacking tray 94 descends and resets.

[0052] To ensure the stability of the lifting cylinder 91 driving the lamination pallet 94 to rise and fall, the L-shaped support platform 14 is provided with lamination guide pins 95 evenly distributed around the top of the mounting support 92 and abutting against the mounting support 92. The top of the lamination guide pins 95 abuts against the lower surface of the lamination pallet 94. This not only ensures the stability of the lifting cylinder 91 driving the lamination pallet 94 to rise and fall, but also provides support for the lamination pallet 94 during the stacking of stator laminations 11.

[0053] A manual loading station 10 is provided on the longitudinal part of the L-shaped support platform 14, and the manual loading station 10 is located on the side of the rotary lamination assembly station 9 away from the handling station 6, thereby realizing the parallel arrangement of the manual loading station 10, the rotary lamination assembly station 9, and the handling station 6. The manual loading station 10 is used by operators to place stator laminations 11 of a different type than those output from the punch press unloading port.

[0054] like Figure 6 As shown, the transport gripper 7 includes a translation mechanism 71 located above the transport station 6, the rotary stack assembly station 9, and the manual loading station 10. The translation mechanism 71 can move horizontally along the direction in which the transport station 6, the rotary stack assembly station 9, and the manual loading station 10 are set. The translation mechanism 71 is existing technology, and there are many specific implementation methods, which are not limited here. It can be as follows: Figure 7The structure shown includes two parallel linear guide rails 711, with a helical rack 713 parallel to one side of each linear guide rail 711. A transport and transplanting plate 712 is slidably mounted on the two linear guide rails 711, and a transport and transplanting servo motor 714 is mounted on the transport and transplanting plate 712. The rotating shaft of the transport and transplanting servo motor 714 is downwardly positioned and fixedly connected to a gear, which meshes with the helical rack 713. In use, the transport and transplanting servo motor 714 drives the gear to rotate, and the gear engages with the helical rack 713, thereby enabling the transport and transplanting plate 712 to slide along the linear guide rails 711, thus realizing the translation mechanism 71's translation. Mechanical limiters 715 are also provided between the front and rear ends of the two linear guide rails 711 to prevent the transport and transplanting servo motor 714 from disengaging from the linear guide rails 711 when driving the transport and transplanting plate 712.

[0055] An electric push rod 72 is installed on the transport plate 712 of the translation mechanism 71. The electric push rod 72 moves horizontally under the drive of the translation mechanism 71. The telescopic rod of the electric push rod 72 is set downward and fixedly connected to a horizontally set clamping double-headed double-outlet cylinder 73. The telescopic rod ends on both sides of the clamping double-headed double-outlet cylinder 73 are respectively equipped with L-shaped mounting plates 74. The L-shaped mounting plates 74 are equipped with two grippers 75. The four grippers 75 are used to clamp the stator pieces 11 on the transport station 6 or the manual loading station 10 under the drive of the clamping double-headed double-outlet cylinder 73. Then, under the drive of the translation mechanism 71, the stator pieces 11 are transported to the rotating stacking assembly station 9. Finally, the clamped stator pieces 11 are stacked on the stacking tray 94 by the extension of the telescopic rod of the electric push rod 72 and the clamping double-headed double-outlet cylinder 73.

[0056] Considering that the secondary weighing judgment at the handling station 6 is within a range and there will be cumulative deviations during actual assembly, a piece-adding / reducing station 8 is also set on the longitudinal part of the L-shaped support platform 14. The piece-adding / reducing station 8 is located on one side of the camera inspection station 5 and is set side by side with the rotary stacking assembly station 9. The piece-adding / reducing station 8 is equipped with a piece-adding / reducing device, which is used to place the stator pieces 11 that are reduced on the rotary stacking assembly station 9 and to provide stator pieces 11 that are added on the rotary stacking assembly station 9, so as to adjust the number of stator pieces 11 on the rotary stacking assembly station 9 in real time according to the actual assembly process.

[0057] The lamination addition / reduction device includes an addition / reduction lifting cylinder 81. The cylinder body of the addition / reduction lifting cylinder 81 is installed in an L-shaped support platform 14 and fixedly connected to the L-shaped support platform 14. The telescopic rod of the addition / reduction lifting cylinder 81 is set upward and fixedly connected to a horizontally set addition / reduction compartment plate 82. An addition / reduction compartment 83 is set on the upper surface of the addition / reduction compartment plate 82. The addition / reduction compartment 83 is used to place stator loose laminations 11 taken from the rotating lamination assembly station 9. An addition / reduction compartment full material detection sensor 84 is set on the side wall of the addition / reduction compartment 83. The addition / reduction compartment full material detection sensor 84 is used to detect whether the addition / reduction compartment 83 is full. When in use, when the fill sensor 84 detects that the filler bin 83 is full, the telescopic rod of the filler bin lifting cylinder 81 extends to lift the filler bin 83, so that the operator can easily remove the stator wafers 11 from the filler bin 83. After the stator wafers 11 are removed, the telescopic rod of the filler bin lifting cylinder 81 retracts, and the filler bin 83 descends to reset.

[0058] To ensure the stability of the lifting and lowering of the tablet addition and reduction compartment 83 driven by the electric cylinder 81, the L-shaped support platform 14 is provided with tablet addition and reduction compartment guide pins 85 evenly distributed around the tablet addition and reduction compartment 83. The tablet addition and reduction compartment guide pins 85 pass through the tablet addition and reduction compartment support plate 82, thereby guiding the lifting process of the tablet addition and reduction compartment support plate 82 and ensuring the stability of the lifting and lowering of the tablet addition and reduction compartment 83.

[0059] A transfer suction cup 12 is installed on the longitudinal part of the L-shaped support platform 14. The transfer suction cup 12 includes a transfer mechanism 121 located on the side of the adding / reducing sheet station 8 and the rotary stacking assembly station 9. The transfer mechanism 121 can move horizontally along the side of the adding / reducing sheet station 8 and the rotary stacking assembly station 9. The transfer mechanism 121 is existing technology, and there are many specific implementation methods. It is not limited here and can be as follows: Figures 8 to 9 The structure shown includes a linear belt module 1213, the input end of which is connected to a servo motor 1211 via a coupling 1212. In use, the servo motor 1211 drives the linear belt module 1213, thereby enabling the slider on the linear belt module 1213 to slide. A sensor 1214 is also provided on the linear belt module 1213, which is used to limit the sliding movement of the slider on the linear belt module 1213.

[0060] The linear belt type module 1213 of the transplanting mechanism 121 is equipped with a chip removal cylinder 122, which moves horizontally under the drive of the transplanting mechanism 121. The telescopic rod of the addition / reduction lamination cylinder 122 is set upward and fixedly connected to the mounting frame 123. The mounting frame 123 extends directly above the addition / reduction lamination station 8 and the rotary lamination assembly station 9. The mounting frame 123 is equipped with a vacuum suction cup 124. The vacuum suction cup 124 is used to pick up the stator laminations 11 on the addition / reduction lamination station 8 or the rotary lamination assembly station 9 under the drive of the transfer mechanism 121 and the addition / reduction lamination cylinder 122, so as to realize the transfer of the stator laminations 11 in the addition / reduction lamination bin 83 to the lamination tray 94, thereby increasing the number of stator laminations 11 on the lamination tray 94; or the transfer of the stator laminations 11 on the lamination tray 94 to the addition / reduction lamination bin 83, thereby reducing the number of stator laminations 11 on the lamination tray 94.

[0061] The input terminals of the PLC controller are respectively connected to the output terminals of the camera 53, sensor 1214, full material detection sensor 84 of the add / remove piece bin, and weighing sensor 36 on the primary and secondary weighing mechanisms; the output terminals of the PLC controller are respectively connected to the high-speed synchronous belt 1, conveyor belt 2, centering double-head double-outlet cylinder 31 on the first and second centering mechanisms, lifting weighing cylinder 34 on the primary and secondary weighing mechanisms, camera 53, ring light source 54, transport and transfer servo motor 714, electric push rod 72, clamping double-head double-outlet cylinder 73, add / remove piece lifting cylinder 81, unloading lifting cylinder 91, rotation angle servo motor 93, servo motor 1211, and add / remove piece picking cylinder 122, thereby realizing the automatic control of the rotary stacking machine.

[0062] The PLC controller is also electrically connected to a display screen, which is used to indicate whether the weight of the stator segments 11 at weighing station 3 is within the range and whether manual intervention to add or subtract segments is required. When the weight of the stator segments 11 at weighing station 3 is outside the range, the operator manually replaces the stator segments 11 at weighing station 3 until the weight of the stator segments 11 at weighing station 3 is within the range; once the weight of the stator segments 11 at weighing station 3 is within the range, weighing station 3 will automatically release the current stator segments 11 to the subsequent manual alignment station 4.

[0063] In use, the stator blanks 11 cut from the punch press are transported to the conveyor belt 2 via the high-speed synchronous belt 1, and then transported to the weighing station 3 by the conveyor belt 2 to lift and weigh the stator blanks 11. By detecting the weight of the stator blanks 11, the current height of the stator blanks 11 is reflected from the weight, and the display screen indicates whether the weight is within the range and whether manual intervention to add or subtract blanks is required. When the current weight of the stator blanks 11 is within the range, the weighing station 3 will automatically release the current stator blanks 11 to the subsequent manual guidance station 4.

[0064] The manual alignment station 4 is mainly used for manual alignment. The loose pieces transported by the conveyor belt 2 may be slightly scattered. At the manual alignment station 4, the operator can use the alignment pin 42 to align them. After alignment, the stator loose piece 11 is released to the camera inspection station 5.

[0065] Camera inspection station 5 uses a camera vision system to determine the angle of the stator lamination 11 based on its shape, providing the required rotation angle for the subsequent rotation angle servo motor 93. After the camera 53 completes its judgment, the stator lamination 11 is released to the transport station 6. At the transport station 6, a second weighing check is performed to determine the weight of the stator lamination 11 on the transport station 6, thereby calculating the cumulative weight. The lamination is then transported to the rotary lamination assembly station 9 via the transport grippers 7. Before transport, the rotation angle servo motor 93 of the rotary lamination assembly station 9 has already rotated by the corresponding angle based on the angle determined by the camera 53 at camera inspection station 5, ensuring that the angle of the assembled stator lamination 11 will not be incorrect.

[0066] Considering that the weighing judgment of the handling station 6 is within a range and there will be cumulative deviation in actual assembly, the addition and subtraction station 8 is equipped with a function to add or subtract pieces. It will adjust the number of pieces in real time according to the actual assembly process. The stator loose pieces 11 are picked up by the vacuum material picking suction cup 124 to realize the addition or subtraction of pieces.

[0067] Manual loading station 10 is for loading stator laminations 11 of another type. Manual loading is used, and the handling grippers 7 will automatically pick up the materials according to the set program, making the assembly very flexible. When the set number of assembly times is reached, the unloading lifting electric cylinder 91 of the rotary stacking assembly station 9 will lift the stacked stator laminations 11 to facilitate unloading by the operator.

Claims

1. A rotary lamination assembly system for stator core production, characterized in that: It includes a high-speed synchronous belt (1) connected to the discharge port of the punch press to transport stator laminations (11), an L-shaped support platform (14) set behind the high-speed synchronous belt (1), and a PLC controller for realizing automatic control of the rotary stacking machine; the L-shaped support platform (14) is provided with a conveyor belt (2) connected to the discharge end of the high-speed synchronous belt (1) to transport stator laminations (11), and a weighing station (3), a manual alignment station (4), a camera inspection station (5), and a handling station (6) arranged sequentially along the direction of transporting stator laminations (11) on the conveyor belt (2); The weighing station (3) is equipped with a sorting and weighing device for sorting and weighing each stack of stator pieces (11) that passes through; the manual alignment station (4) is equipped with a manual alignment device for aligning each stack of stator pieces (11) that passes through; the camera detection station (5) is equipped with a camera detection device for judging the angle of each stack of stator pieces (11) that passes through; and the handling station (6) is equipped with a secondary weighing mechanism for weighing each stack of stator pieces (11) that passes through. The L-shaped support platform (14) is provided with a rotating lamination assembly station (9) located on the side of the conveyor belt (2) and parallel to the handling station (6). The rotating lamination assembly station (9) is provided with a rotating lamination assembly device for rotating according to the judgment angle of the camera detection device to ensure that the angle of the assembled stator laminations (11) will not be incorrect. The L-shaped support platform (14) is also provided with a bracket (13). The top of the bracket (13) is provided with a handling gripper (7) for transporting the stator laminations (11) on the handling station (6) to the rotating lamination assembly station (9) after the rotating lamination assembly device rotates to the corresponding angle. The output terminal of the PLC controller is connected to the controlled terminals of the high-speed synchronous belt (1), the conveyor belt (2), the sorting and weighing device, the manual guiding device, the camera detection device, the secondary weighing mechanism, the handling gripper (7), and the rotating stacking assembly device, respectively; the PLC controller is also electrically connected to a display screen.

2. The rotary lamination assembly system for stator core production according to claim 1, characterized in that: The conveyor belt (2) includes two synchronous belts that are spaced apart and rotate in the same direction; the stator segments (11) are straddled on the two synchronous belts.

3. The rotary lamination assembly system for stator core production according to claim 2, characterized in that: The sorting and weighing device includes a first centering mechanism for sorting stator laminations (11) and a first weighing mechanism for weighing the sorted stator laminations (11) once; the second weighing mechanism has the same structure as the first weighing mechanism. The first centering mechanism includes a centering double-headed double-outlet cylinder (31) located directly below the two synchronous belts and horizontally arranged along the width direction of the synchronous belts. The telescopic rod ends on both sides of the centering double-headed double-outlet cylinder (31) are respectively provided with mounting seats (32). Two centering guide posts (33) are arranged at intervals along the length direction of the synchronous belt on the mounting seats (32) for clamping the stator segments (11) from the outside to the inside under the drive of the centering double-headed double-outlet cylinder (31) to organize the stator segments (11). The weighing mechanism includes a lifting weighing cylinder (34) located on one side of the centering double-headed double-outlet cylinder (31). The telescopic rod of the lifting weighing cylinder (34) is set upward and fixedly connected to a weighing sensor connecting plate (35). A weighing sensor (36) is set on the weighing sensor connecting plate (35). The detection surface of the weighing sensor (36) is located at the center of the four centering guide columns (33) and is connected to a horizontally set weighing tray (37) for lifting the stator segments (11) under the drive of the lifting weighing cylinder (34). The weighing tray (37) is located at the center of the four centering guide columns (33) and the diameter of the weighing tray (37) is smaller than the straight distance between the two synchronous belts. The output terminal of the PLC controller is connected to the controlled terminals of the centering double-headed double-outlet cylinder (31) and the lifting weighing cylinder (34), respectively, and the input terminal of the PLC controller is connected to the output terminal of the weighing sensor (36).

4. The rotary lamination assembly system for stator core production according to claim 3, characterized in that: The manual alignment device includes a second centering mechanism, an alignment plate (41), and an alignment pin (42) held by the operator for cooperating with the alignment plate (41) to rotate and misalign the stator segments (11) in the circumferential direction to achieve alignment. The second centering mechanism has the same structure as the first centering mechanism; the controlled end of the second centering mechanism is connected to the output end of the PLC controller. The stator segments (11) are provided with a plurality of magnetic slot holes; the guide plate (41) is provided on the conveyor belt (2) and is located directly below the stator segments (11) arranged by the second centering mechanism; the upper surface of the guide plate (41) is provided with grooves that correspond one-to-one with the magnetic slot holes. The guide pin (42) includes a handheld part (421) for the operator to hold and a guide part (422) that is provided at the lower end of the handheld part (421) for passing through a magnetic slot hole on the stator piece (11) and abutting against a groove on the guide plate (41) corresponding to the magnetic slot hole to realize the stator piece (11) rotating and misaligning in the circumferential direction.

5. The rotary lamination assembly system for stator core production according to claim 1, characterized in that: The stator segments (11) are provided with a marking groove; the camera detection device includes a movable cabinet (51) located on one side of the conveyor belt (2) and having a braking function. The movable cabinet (51) is provided with a support frame (52) located on one side of the camera detection station (5). The top of the support frame (52) is provided with a camera (53) located directly above the camera detection station (5) to judge the angle of each stack of stator segments (11) according to the marking groove on each stack of stator segments (11) passing through. Below the camera (53) is a ring light source (54) located on the support frame (52); the controlled ends of the camera (53) and the ring light source (54) are respectively connected to the output end of the PLC controller, and the output end of the camera (53) is connected to the input end of the PLC controller.

6. The rotary lamination assembly system for stator core production according to claim 1, characterized in that: The rotary stacking assembly device includes a feeding lifting electric cylinder (91), the telescopic rod of the feeding lifting electric cylinder (91) is set upward and connected to a mounting support (92), a rotation angle servo motor (93) is set on the mounting support (92), the rotation shaft of the rotation angle servo motor (93) is set upward and fixedly connected to a horizontally set stacking tray (94) for stacking and transporting the stator laminations (11) transported by the transport gripper (7); the controlled ends of the feeding lifting electric cylinder (91) and the rotation angle servo motor (93) are respectively connected to the output end of the PLC controller.

7. The rotary lamination assembly system for stator core production according to claim 1, characterized in that: The L-shaped support platform (14) has a manual loading station (10) located on the side of the rotating lamination assembly station (9) away from the handling station (6), for operators to place stator laminations (11) of a different type than those output from the punch press outlet.

8. The rotary lamination assembly system for stator core production according to claim 7, characterized in that: The transport gripper (7) includes a translation mechanism (71) located above the transport station (6), the rotary stack assembly station (9), and the manual loading station (10), and capable of horizontally moving along the setting direction of the transport station (6), the rotary stack assembly station (9), and the manual loading station (10). An electric push rod (72) is mounted on the translation mechanism (71). The telescopic rod of the electric push rod (72) is positioned downwards and fixedly connected to a horizontally positioned clamping double-headed double-outlet cylinder (73). The clamping double-headed double-outlet cylinder (73) has two... The telescopic rod ends on the sides are respectively provided with L-shaped mounting plates (74). The L-shaped mounting plates (74) are provided with two grippers (75) for clamping the stator pieces (11) on the handling station (6) or the manual feeding station (10) under the drive of the clamping double-headed double-outlet cylinder (73) to transport the stator pieces (11) to the rotating stacking assembly station (9). The controlled ends of the translation mechanism (71), the electric push rod (72) and the clamping double-headed double-outlet cylinder (73) are respectively connected to the output end of the PLC controller.

9. The rotary lamination assembly system for stator core production according to claim 1, characterized in that: The L-shaped support platform (14) has a piece adding / reducing station (8) located on one side of the camera inspection station (5) and parallel to the rotary stacking assembly station (9). The piece adding / reducing station (8) is equipped with a piece adding / reducing device for providing a place for stator pieces (11) for adding pieces and for reducing pieces for the rotary stacking assembly station (9). The addition / reduction device includes an addition / reduction lifting cylinder (81), the extension rod of the addition / reduction lifting cylinder (81) is set upward and fixedly connected to a horizontally set addition / reduction compartment tray (82), the upper surface of the addition / reduction compartment tray (82) is provided with an addition / reduction compartment (83) for placing stator loose pieces (11), and the side wall of the addition / reduction compartment (83) is provided with an addition / reduction compartment full material detection sensor (84) for detecting whether the addition / reduction compartment (83) is full; the output end of the addition / reduction compartment full material detection sensor (84) is connected to the input end of the PLC controller, and the controlled end of the addition / reduction lifting cylinder (81) is connected to the output end of the PLC controller.

10. The rotary lamination assembly system for stator core production according to claim 9, characterized in that: The L-shaped support platform (14) is provided with a transfer suction cup (12) on its longitudinal body. The transfer suction cup (12) includes a transfer mechanism (121) located on the side of the addition / subtraction station (8) and the rotary stacking assembly station (9) and can move horizontally along the side of the addition / subtraction station (8) and the rotary stacking assembly station (9). The transfer mechanism (121) is provided with an addition / subtraction material picking cylinder (122). The extension rod of the addition / subtraction material picking cylinder (122) is provided with an upward-facing mounting frame (123) that extends directly above the addition / subtraction station (8) and the rotary stacking assembly station (9). The mounting frame (123) is provided with a vacuum picking suction cup (124) for picking up stator loose pieces (11) on the addition / subtraction station (8) or the rotary stacking assembly station (9). The controlled ends of the transfer mechanism (121) and the addition / subtraction material picking cylinder (122) are respectively connected to the output end of the PLC controller.

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