Iron core feeding and commutator assembling machine and method

Abstract

The invention relates to an iron core feeding and commutator assembling machine which comprises a base, the base is provided with a storage station for storing iron cores, an iron core detection mechanism, an oiling mechanism, a clamping mechanism, a press-fitting mechanism and a feeding mechanism, and the storage station, the iron core detection mechanism, the oiling mechanism, the clamping mechanism, the press-fitting mechanism and the feeding mechanism are arranged on the base. The feeding mechanism is provided with a positioning mechanism for positioning the angle of a commutator, the base is provided with a defective product recycling mechanism, the base is provided with a conveying mechanism, the base is further provided with a mechanical arm for conveying iron cores on the storage station, the oiling mechanism, the clamping mechanism, the conveying mechanism and the defective product recycling mechanism, the clamping mechanism positions the iron cores, and the conveying mechanism conveys the iron cores on the defective product recycling mechanism. The pressing mechanism is arranged on the feeding mechanism, poor pressing caused by movement of the iron core is avoided, the clamping mechanism is used for centering the iron core, a rotating shaft of the iron core and a commutator on the pressing mechanism are kept coaxial, the pressing precision is improved, a positioning mechanism on the feeding mechanism is used for positioning the angle of the commutator, and therefore the angle precision of the commutator on the iron core after pressing is improved.

Description

Technical Field

[0001] The present invention relates to the field of motor production and processing, and more specifically, to an iron core feeding and commutator assembly machine and method. Background Art

[0002] In the motor processing procedure, it involves the processing steps of loading the commutator and pressing it on the rotor core. The conventional method mostly relies on manual loading of the commutator and identification of the angles of the commutator and the rotor core, and then performing angle alignment and rough step pressing and positioning before placing it in a pressing machine for pressing. Although production can be carried out, the product processing efficiency is very low, the consistency is poor, and the labor intensity of workers is high. Currently, the fully automatic equipment for assembling rotor cores and commutators on the market basically adopts a lateral pressing method. The disadvantage of this method is that it is affected by the dead weight of the rotor core and commutator, which affects the overall pressing accuracy. Therefore, a core loading and commutator assembly machine is needed to achieve automated production while meeting the pressing accuracy requirements. Summary of the invention

[0003] In view of the above-mentioned defects in the prior art, a core feeding and commutator assembly machine is provided.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a core loading and commutator assembly machine, including a base, a storage station for storing cores is arranged on the base, a core detection mechanism is arranged on the base, an oiling mechanism for oiling the cores is arranged on the base, a clamping mechanism for positioning and centering the cores is arranged on the base, a pressing mechanism for pressing the commutator onto the clamping mechanism is arranged on the base, a loading mechanism for loading the commutator onto the pressing mechanism is arranged on the base, a positioning mechanism for positioning the commutator angle is arranged on the loading mechanism, a defective product recovery mechanism is arranged on the base, a conveying mechanism for conveying assembled cores is arranged on the base, and a mechanical arm for conveying cores between the storage station, the oiling mechanism, the clamping mechanism, the conveying mechanism and the defective product recovery mechanism is also arranged on the base.

[0005] Preferably, the clamping mechanism includes a first motor, a baffle, a first cylinder, a first bracket and a vertical plate. The first bracket and the vertical plate are arranged on the base at intervals. The vertical plate is provided with an avoidance through hole for avoiding the iron core rotating shaft. A bearing block for supporting the iron core is provided on the surface of the vertical plate away from the first bracket. A positioning groove for positioning the iron core is provided on the bearing block. The end of the positioning groove away from the vertical plate is an open structure. The baffle blocks the opening of the positioning groove. The first cylinder is arranged on the base and drives the baffle to rise and fall. Three clamping claws for clamping and centering the iron core are provided on the vertical plate. The three clamping claws are arranged circumferentially at equal intervals with the avoidance through hole as the center of the circle. An avoidance notch for avoiding the clamping claws is provided on the bearing block. The first motor is arranged on the first bracket. The first motor drives the three clamping claws to clamp the iron core synchronously.

[0006] Preferably, a screw rod coaxial with the avoidance through hole is connected to the output end of the first motor, a slider is threadedly connected to the screw rod, the slider is limited and slidably arranged on the first bracket, and three clamping through holes arranged circumferentially at equal intervals with the avoidance through hole as the center are provided on the vertical plate, the clamping jaw includes a hinge part and a clamping part, the hinge part and the clamping part constitute an L-shaped clamping jaw, the middle position of the hinge part is hinged in the corresponding clamping through hole, one end of the hinge part is hinged with a connecting rod, and the end of the connecting rod away from the hinge part is hinged on the slider.

[0007] Preferably, the feeding mechanism includes a vibration plate, a straight vibrator, a guide rail, a material receiving structure, an XY automatic slide and an internal support clamp for clamping the commutator. The vibration plate and the straight vibrator are arranged on a base, the guide rail is arranged on the straight vibrator, and a guide rail groove for conveying the commutator is arranged on the guide rail. The two ends of the guide rail groove are correspondingly located at the outlet of the vibration plate and the entrance of the material receiving structure. The XY automatic slide is arranged on the base, a second bracket is arranged on the XY automatic slide, and the internal support clamp is arranged on the second bracket.

[0008] Preferably, the positioning mechanism comprises a positioning needle for positioning the commutator and a second motor for driving the inner support fixture to rotate, the positioning needle is arranged on the second bracket, and the second motor is also arranged on the second bracket.

[0009] Preferably, the material receiving structure comprises a material receiving block, a holding block, a material stopping block and a second cylinder for driving the material stopping block to move, a third bracket for supporting the material receiving block is provided on the base, a material receiving chute is provided on the upper surface of the material receiving block, a strip-shaped positioning groove is provided at the bottom of the material receiving chute for positioning the commutator, the second cylinder is provided on the third bracket, the material stopping block is provided at the output end of the second cylinder and blocks the outlet of the material receiving chute, the holding block is movably provided just above the outlet of the material receiving chute, the third bracket is provided with a third cylinder for driving the holding block to rise and fall, the third bracket is provided with a first material sensor for detecting whether the commutator reaches the outlet of the material receiving chute, and the third bracket is also provided with a distance sensor, and the distance sensor detects between any two adjacent hanging ears on the commutator at the outlet of the material receiving chute.

[0010] Preferably, the press-fitting mechanism comprises a commutator fixture for clamping the outer wall of the commutator and a linear slide for driving the commutator fixture to move for press-fitting, the linear slide is arranged on a base, a fourth bracket is arranged on the linear slide, and the commutator fixture is arranged on the fourth bracket.

[0011] Preferably, the oiling mechanism includes a positioning jig for positioning the iron core, a third motor for driving the positioning jig to rotate, and an oiling needle. A fifth bracket for supporting the positioning jig is provided on the base, and the third motor is also provided on the fifth bracket. A second material sensor for sensing the iron core on the positioning jig is provided on the fifth bracket. A sixth bracket is provided on the base, and the oiling needle is movably provided on the sixth bracket. The sixth bracket is provided with a driving cylinder for driving the oiling needle to approach and move away from the iron core on the positioning jig.

[0012] Preferably, the iron core detection mechanism includes a contact displacement sensor and a carrier for carrying the iron core. A carrier bracket for supporting the carrier is provided on the base, a slide cylinder is also provided on the carrier bracket, the contact displacement sensor is provided on the slide cylinder, and the robotic arm also transports the iron core to the carrier.

[0013] A method for core feeding and commutator assembly, the method comprising the following steps:

[0014] S101, the robot arm transports the iron cores in the storage station to the iron core detection mechanism, the iron core detection mechanism detects the length of the iron core shaft, and the robot arm transports the unqualified iron cores to the defective product recovery mechanism.

[0015] S102, the robot arm transports the qualified iron core detected by the iron core detection mechanism to the oiling mechanism, and the oiling mechanism oils the rotating shaft of the iron core. At this time, the positioning mechanism positions the angle of the commutator on the feeding mechanism, and the feeding mechanism feeds the positioned commutator to the pressing mechanism.

[0016] S103, the robot arm transports the oiled iron core to the clamping mechanism, and the pressing mechanism presses the commutator onto the iron core on the clamping mechanism.

[0017] S104, the robot arm transports the iron cores that have passed the press-fitting to the conveying mechanism, and the conveying mechanism transports the iron cores to the next workstation. The robot arm also transports the iron cores that have failed the press-fitting to the defective product recovery mechanism.

[0018] The beneficial effects of the present invention are as follows: the robotic arm transports the iron core to the clamping mechanism, the clamping mechanism positions the iron core to prevent the iron core from moving when the press-fitting mechanism presses the commutator, thereby avoiding poor press-fitting due to the movement of the iron core, the clamping mechanism centers the iron core, keeps the rotating shaft of the iron core coaxial with the commutator on the press-fitting mechanism, and improves the press-fitting accuracy, and the positioning mechanism on the feeding mechanism positions the angle of the commutator, thereby improving the angle accuracy of the commutator on the iron core after press-fitting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0020] Figure 2 Embodiment of the present invention Figure 1 A magnified schematic diagram of the middle A area;

[0021] Figure 3 is a schematic diagram of an iron core detection mechanism according to an embodiment of the present invention;

[0022] Figure 4 It is a schematic diagram of a clamping mechanism, a pressing mechanism and a feeding mechanism in an embodiment of the present invention;

[0023] Figure 5 Embodiment of the present invention Figure 4 A magnified schematic diagram of the middle B area;

[0024] Figure 6 Embodiment of the present invention Figure 5 Enlarged schematic diagram of the middle C area;

[0025] Figure 7 is a schematic diagram of a clamping mechanism according to an embodiment of the present invention;

[0026] Figure 8 is a schematic cross-sectional structure diagram of a clamping mechanism according to an embodiment of the present invention;

[0027] Fig. 9 Schematic diagram of a press-fitting mechanism and a feeding mechanism according to an embodiment of the present invention;

[0028] Fig.10 Embodiment of the present invention Fig. 9 Enlarged schematic diagram of area D in the middle.

[0029] Figure numerals: 1 base, 10 material storage station, 11 defective product recovery mechanism, 2 core detection mechanism, 20 contact displacement sensor, 21 carrier, 22 carrier bracket, 23 slide cylinder, 3 oiling mechanism, 30 positioning fixture, 31 third motor, 32 oiling needle, 33 fifth bracket, 34 sixth bracket, 35 second material sensor, 36 driving cylinder, 4 clamping mechanism, 40 first motor, 41 baffle, 42 first cylinder, 43 first bracket, 44 vertical plate, 440 avoidance through hole, 441 clamping claw through hole, 45 bearing block, 450 positioning groove, 451 avoidance notch, 46 clamping claw, 460 hinge part, 461 clamping part, 47 screw rod, 48 slider, 49 connecting rod, 5 pressing mechanism, 50 commutator fixture, 51 linear slide, 52 fourth bracket, 6 feeding mechanism, 60 vibration plate, 61 straight vibrator, 62 guide rail, 620 guide rail groove, 63 material receiving structure, 630 material receiving block, 631 material receiving chute, 632 positioning groove, 633 holding block, 634 material stop block, 635 second cylinder, 636 third bracket, 64XY automatic slide, 65 inner support fixture, 66 second bracket, 67 third cylinder, 68 first material sensor, 69 distance sensor, 7 positioning needle, 70 second motor, 8 conveying mechanism, 9 robotic arm. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be clearly and completely described in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention. In addition, the directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", etc., are only referenced to the directions of the attached diagrams. The directional terms used are for better and clearer explanation and understanding of the present invention, rather than indicating or implying the orientation that the present invention must have, and therefore cannot be understood as limitations on the present invention.

[0031] Embodiments of the present invention Figures 1 to 10As shown in, a core feeding and commutator assembly machine comprises a base 1, on which a storage station 10 for storing cores is arranged, and the storage station 10 is located at the rear side of the top surface of the base 1, and an iron core detection mechanism 2 is arranged on the base 1, and the iron core detection mechanism 2 is located at a position on the top surface of the base 1 in front of the right side of the storage station 10, and the iron core detection mechanism 2 detects the length of the iron core rotating shaft to prevent the mixing of iron cores with different rotating shaft length specifications, and an oiling mechanism 3 for oiling the iron core is arranged on the base 1, and the oiling mechanism 3 is located in a position directly in front of the iron core detection mechanism 2. After the iron core is oiled 3, it is convenient for the press-fitting and subsequent assembly processing of the commutator, and a clamping mechanism 4 for positioning and centering the iron core is arranged on the base 1, and the clamping mechanism 4 is located on the top surface of the base 1 directly to the left of the oiling mechanism 3, and a press-fitting mechanism for pressing the commutator onto the clamping mechanism 4 is provided on the base 1. Mechanism 5, the base 1 is provided with a feeding mechanism 6 for feeding the commutator to the pressing mechanism 5, and the feeding mechanism 6 is provided with a positioning mechanism for positioning the commutator angle, the pressing mechanism 5 and the feeding mechanism 6 are both located on the left side of the clamping mechanism 4 on the top surface of the base 1, and the base 1 is provided with a defective product recovery mechanism 11, and the defective product recovery mechanism 11 is located on the left side of the storage station 10 on the top surface of the base 1, and the base 1 is provided with a conveying mechanism 8 for conveying the assembled iron core, and the conveying mechanism 8 is located on the front side of the top surface of the base 1, and the conveying mechanism 8 is a chain conveyor line, and the conveying direction of the conveying mechanism 8 is left and right. The base 1 is also provided with a mechanical arm 9 for conveying the iron core at the storage station 10, the oiling mechanism 3, the clamping mechanism 4, the conveying mechanism 8 and the defective product recovery mechanism 11, and the mechanical arm 9 is located near the center of the top surface of the base 1.

[0032] Further improvements, such as Figure 7 and Figure 8As shown in, the clamping mechanism 4 includes a first motor 40, a baffle 41, a first cylinder 42, a first bracket 43 and a vertical plate 44, the first bracket 43 and the vertical plate 44 are arranged at intervals on the top surface of the base 1, the first bracket 43 is located just to the right of the vertical plate 44, the vertical plate 44 is provided with an avoidance through hole 440 for avoiding the iron core rotating shaft, the surface of the vertical plate 44 away from the first bracket 43 is provided with a bearing block 45 for bearing the iron core, that is, the bearing block 45 is arranged on the left side surface of the vertical plate 44, and the upper surface of the bearing block 45 is provided with a positioning groove 450 for positioning the iron core, the positioning groove 450 is a semi-cylindrical structure extending in the left and right directions, the axis of the positioning groove 450 is coaxial with the axis of the avoidance through hole 440, the end of the positioning groove 450 away from the vertical plate 44 is an open structure, that is, the left end of the positioning groove 450 is an open structure, and the baffle 41 blocks the positioning groove 450 The first cylinder 42 is arranged on the base 1 and drives the baffle 41 to rise and fall. The baffle 41 positions the iron core to prevent the iron core from moving when the commutator is pressed. The first cylinder 42 drives the baffle 41 to descend so that the baffle 41 no longer blocks the opening of the positioning groove 450, thereby facilitating the robot arm 9 to place or take away the iron core. Preferably, the top surface of the bearing block 45 is provided with a bearing block notch at the left end of the positioning groove 450 for facilitating the robot arm 9 to place or take away the iron core. The vertical plate 44 is provided with three clamping claws 46 for clamping and centering the iron core. The three clamping claws 46 are arranged circumferentially at equal intervals with the avoidance through hole 440 as the center of the circle. The bearing block 45 is provided with an avoidance notch 451 for avoiding the clamping claw 46. The avoidance notch 451 is located in the middle position of the right end of the bottom of the positioning groove 450. The first motor 40 is arranged on the first bracket 43. The first motor 40 drives the three clamping claws 46 to clamp the iron core synchronously.

[0033] Further improvements, such as Figure 7 and Figure 8As shown in, a lead screw 47 coaxial with the avoidance through hole 440 is connected to the output end of the first motor 40, and a slider 48 is threadedly connected to the lead screw 47. The slider 48 is limited and slidably arranged on the first bracket 43. Preferably, a limit tube with a circular tube structure is provided on the first bracket 43, and the slider is a cylindrical structure. The slider is matched and slidably arranged in the limit tube. The left end of the slider 48 extends out of the limit tube, and a limit slide groove extending in the left and right directions is provided at the bottom end of the limit tube. A limit block matching and slidingly arranged in the limit slide groove is provided at the right end of the slider 48. Three clamping claw through holes 441 arranged circumferentially at equal intervals with the avoidance through hole 440 as the center are provided on the vertical plate 44. The clamping claw 46 includes a hinged portion 460 and a clamping portion 461. The hinged portion 460 and the clamping portion 461 constitute an L-shaped clamping jaw 46, the middle position of the hinged portion 460 is hinged in the corresponding clamping jaw through hole 441, one end of the hinged portion 460 is hinged with a connecting rod 49, preferably, the connecting rod 49 is hinged at one end of the hinged portion 460 close to the avoidance through hole 440, the end of the connecting rod 49 away from the hinged portion 460 is hinged on the slider 48, and the end of the connecting rod 49 away from the hinged portion 460 is hinged on the left side of the side wall of the slider 48, the first motor 40 drives the lead screw 47 to rotate, so that the slider 48 slides in the left direction, when the slider 48 slides to the left, the three clamping jaws 46 synchronously release the iron core, and when the slider 48 slides to the right, the three clamping jaws 46 synchronously center and clamp the iron core.

[0034] Further improvements, such as Figures 4 to 6 As shown in the figure, the feeding mechanism 6 includes a vibration plate 60, a straight vibrator 61, a guide rail 62, a material receiving structure 63, an XY automatic slide 64 and an inner support fixture 65 for clamping the commutator. The vibration plate 61 and the straight vibrator 62 are arranged on the base 1. The vibration plate 60, the straight vibrator 61, the material receiving structure 63 and the XY automatic slide 64 are arranged in sequence from left to right. The guide rail 62 is arranged on the straight vibrator 61. The guide rail 62 is provided with a guide rail groove 620 for conveying the commutator. The two ends of the guide rail groove 620 correspond to Located at the outlet of the vibration disk 60 and the entrance of the material receiving structure 63, that is, the commutator slides from the outlet of the vibration disk 60 into the entrance of the material receiving structure 63 through the guide groove 620, and the linear vibrator 61 provides power for the sliding of the commutator. The XY automatic slide 64 is arranged on the base 1, and a second bracket 66 is arranged on the XY automatic slide 64. The inner support clamp 65 is arranged on the second bracket 66. The XY automatic slide 64 cooperates with the inner support clamp 65 to clamp the commutator at the outlet position of the material receiving structure 63 to the pressing mechanism 5.

[0035] Further improvements, such as Figure 5 and Figure 6As shown in , the positioning mechanism includes a positioning needle 7 for positioning the commutator and a second motor 70 for driving the inner support clamp to rotate. The positioning needle 7 is arranged on the second bracket 66, and the second motor 70 is also arranged on the second bracket 66. After the inner support clamp 65 clamps the commutator, the positioning needle 7 is inserted between two adjacent ears of the commutator. At this time, the second motor 70 drives the inner support clamp 70 to rotate, so that the positioning needle 7 is tightly attached to the side wall of a hanging ear, thereby accurately positioning the commutator angle and improving the angle accuracy of the commutator on the iron core after press-fitting.

[0036] Further improvements, such as Fig. 9 and Fig.10 As shown in , the material receiving structure 63 includes a material receiving block 630, a holding block 633, a stopper block 634 and a second cylinder 635 for driving the stopper block 634 to move. A third bracket 636 for supporting the material receiving block 630 is provided on the base 1. A material receiving chute 631 is provided on the upper surface of the material receiving block 630. A strip-shaped positioning groove 632 for positioning the commutator is provided at the bottom of the material receiving chute 631. The commutator's hanging ear slides in the positioning groove 632, and the commutator's angle is roughly positioned by the positioning groove 632. The second cylinder 635 is arranged on the third bracket 636, and the stopper block 634 is arranged on the third bracket 636. The output end of the second cylinder 635 is blocked at the outlet of the material receiving chute 631, and the holding block 633 is movably arranged just above the outlet of the material receiving chute 631. The third bracket 636 is provided with a third cylinder 67 for driving the holding block 633 to rise and fall. The third bracket 636 is provided with a first material sensor 68 for detecting whether the commutator has reached the outlet of the material receiving chute 631. The third bracket 636 is also provided with a distance sensor 69. The distance sensor 69 detects between any two adjacent hanging ears on the commutator at the outlet of the material receiving chute 631, and preliminarily detects the angle of the commutator through the distance sensor 69.

[0037] Further improvements, such as Figure 4 and Fig. 9 As shown in the figure, the pressing mechanism 5 includes a commutator clamp 50 for clamping the outer wall of the commutator and a linear slide 51 for driving the commutator clamp 50 to move for pressing. The linear slide 51 is arranged on the base 1, and a fourth bracket 52 is arranged on the linear slide 51. The commutator clamp 50 is arranged on the fourth bracket 52. The linear slide 51 drives the commutator clamp 50 to press the commutator onto the rotating shaft of the iron core.

[0038] Further improvements, such as Figure 1 and Figure 2As shown in the figure, the oiling mechanism 3 includes a positioning fixture 30 for positioning the iron core, a third motor 31 for driving the positioning fixture to rotate, and an oiling needle 32. A fifth bracket 33 for supporting the positioning fixture 30 is provided on the base 1. The third motor 31 is also provided on the fifth bracket 33. A second material sensor 35 for sensing the iron core on the positioning fixture 30 is provided on the fifth bracket 33. A sixth bracket 34 is provided on the base 1. The oiling needle 32 is movably provided on the sixth bracket 34. A driving cylinder 36 is provided on 34 for driving the oiling needle 32 to approach and move away from the iron core on the positioning jig 30. After the second material sensor 35 senses that there is an iron core on the positioning jig 30, the driving cylinder 36 drives the oiling needle 32 to approach the iron core on the positioning jig 30. The third motor 31 drives the positioning jig 30 to rotate so as to cooperate with the oiling needle 32 to oil the rotating shaft of the iron core. After the iron core is oiled, the driving cylinder 36 drives the oiling needle 32 to move away from the iron core on the positioning jig 30, thereby facilitating the robot arm 9 to transport the iron core.

[0039] Further improvements, such as Figure 1 and Figure 3 As shown in the figure, the iron core detection mechanism 2 includes a contact displacement sensor 20 and a carrier 21 for carrying the iron core. The base 1 is provided with a carrier bracket 22 for supporting the carrier 21, and the carrier bracket 22 is also provided with a slide cylinder 23. The contact displacement sensor 20 is arranged on the slide cylinder 23. The robot arm 9 also transports the iron core to the carrier 21. The slide cylinder 23 drives the contact displacement sensor 20 to move toward the rotating shaft of the iron core on the carrier 21, so as to test the length of the rotating shaft of the iron core on the carrier 21 through the contact displacement sensor 20, so as to avoid mixing of iron cores with different lengths of rotating shafts or poor incoming iron cores.

[0040] A method for core feeding and commutator assembly, the method comprising the following steps:

[0041] S101, the robot arm 9 transports the iron cores in the storage station 10 to the iron core detection mechanism 2, the iron core detection mechanism 2 detects the length of the iron core shaft, and the robot arm 9 transports the unqualified iron cores to the defective product recovery mechanism 11.

[0042] S102, the robot arm 9 transports the qualified iron core detected by the iron core detection mechanism 2 to the oiling mechanism 3, and the oiling mechanism 3 oils the rotating shaft of the iron core. At this time, the positioning mechanism positions the angle of the commutator on the feeding mechanism 6, and the feeding mechanism 6 feeds the positioned commutator onto the pressing mechanism 5.

[0043] S103 , the robot arm 9 transports the oiled iron core to the clamping mechanism 4 , and the press-fitting mechanism 5 presses the commutator onto the iron core on the clamping mechanism 4 .

[0044] S104, the robot arm 9 conveys the iron cores that have passed the press-fitting to the conveying mechanism 8, and the conveying mechanism 8 conveys the iron cores to the next workstation. The robot arm 9 also conveys the iron cores that have failed the press-fitting to the defective product recovery mechanism 11.

[0045] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A core feeding and commutator assembly machine, comprising a base; characterized in that: The base is provided with a storage station for storing iron cores; the base is provided with an iron core detection mechanism; the base is provided with an oiling mechanism for oiling the iron cores; the base is provided with a clamping mechanism for positioning and centering the iron cores; the base is provided with a pressing mechanism for pressing the commutator onto the iron cores on the clamping mechanism; the base is provided with a loading mechanism for loading the commutator onto the pressing mechanism; the loading mechanism is provided with a positioning mechanism for positioning the commutator angle; the base is provided with a defective product recovery mechanism; the base is provided with a conveying mechanism for conveying assembled iron cores; the base is also provided with a mechanical arm for conveying iron cores between the storage station, the oiling mechanism, the clamping mechanism, the conveying mechanism and the defective product recovery mechanism.

2. The core feeding and commutator assembly machine according to claim 1, characterized in that: The clamping mechanism includes a first motor, a baffle, a first cylinder, a first bracket and a vertical plate; the first bracket and the vertical plate are arranged on the base at intervals; the vertical plate is provided with an avoidance through hole for avoiding the iron core rotating shaft; a bearing block for supporting the iron core is provided on the surface of the vertical plate away from the first bracket; a positioning groove for positioning the iron core is provided on the bearing block; the end of the positioning groove away from the vertical plate is an open structure; the baffle blocks the opening of the positioning groove; the first cylinder is arranged on the base and drives the baffle to rise and fall; three clamping claws for clamping and centering the iron core are provided on the vertical plate; the three clamping claws are arranged circumferentially at equal intervals with the avoidance through hole as the center; an avoidance notch for avoiding the clamping claws is provided on the bearing block; the first motor is arranged on the first bracket; the first motor drives the three clamping claws to clamp the iron core synchronously.

3. The core feeding and commutator assembly machine according to claim 2, characterized in that: A screw rod coaxial with the avoidance through hole is connected to the output end of the first motor; a slider is threadedly connected to the screw rod; the slider is limitedly slidably arranged on the first bracket; three clamping through holes arranged circumferentially at equal intervals with the avoidance through hole as the center are provided on the vertical plate; the clamping jaw includes a hinge part and a clamping part; the hinge part and the clamping part constitute a clamping jaw of an L-shaped structure; the middle position of the hinge part is hinged in the corresponding clamping through hole; a connecting rod is hinged at one end of the hinge part; the connecting rod is hinged on the slider at one end away from the hinge part.

4. The core feeding and commutator assembly machine according to claim 1, characterized in that: The feeding mechanism includes a vibration plate, a straight vibrator, a guide rail, a material receiving structure, an XY automatic slide and an internal support fixture for clamping the commutator; the vibration plate and the straight vibrator are arranged on a base; the guide rail is arranged on the straight vibrator; the guide rail is provided with a guide rail groove for conveying the commutator; the two ends of the guide rail groove are correspondingly located at the outlet of the vibration plate and the inlet of the material receiving structure; the XY automatic slide is arranged on the base; the XY automatic slide is provided with a second bracket; the internal support fixture is arranged on the second bracket.

5. The core feeding and commutator assembly machine according to claim 4, characterized in that: The positioning mechanism comprises a positioning needle for positioning the commutator and a second motor for driving the inner support fixture to rotate; the positioning needle is arranged on the second bracket; and the second motor is also arranged on the second bracket.

6. The core feeding and commutator assembly machine according to claim 4, characterized in that: The material receiving structure includes a material receiving block, a holding block, a material stopping block and a second cylinder for driving the material stopping block to move; a third bracket for supporting the material receiving block is arranged on the base; a material receiving chute is arranged on the upper surface of the material receiving block; a strip-shaped positioning groove for positioning the commutator is arranged at the bottom of the material receiving chute; the second cylinder is arranged on the third bracket; the material stopping block is arranged at the output end of the second cylinder and blocks the outlet of the material receiving chute; the holding block is movably arranged just above the outlet of the material receiving chute; a third cylinder for driving the holding block to rise and fall is arranged on the third bracket; a first material sensor for detecting whether the commutator reaches the outlet of the material receiving chute is arranged on the third bracket; a distance sensor is also arranged on the third bracket; the distance sensor detects between any two adjacent hanging ears on the commutator at the outlet of the material receiving chute.

7. The core feeding and commutator assembly machine according to claim 1, characterized in that: The press-fitting mechanism comprises a commutator fixture for clamping the outer wall of the commutator and a linear slide for driving the commutator fixture to move and press-fit; the linear slide is arranged on a base; a fourth bracket is arranged on the linear slide; the commutator fixture is arranged on the fourth bracket.

8. The core feeding and commutator assembly machine according to claim 1, characterized in that: The oiling mechanism includes a positioning jig for positioning the iron core, a third motor for driving the positioning jig to rotate, and an oiling needle; a fifth bracket for supporting the positioning jig is provided on the base; the third motor is also provided on the fifth bracket; a second material sensor for sensing the iron core on the positioning jig is provided on the fifth bracket; a sixth bracket is provided on the base; the oiling needle is movably provided on the sixth bracket; and a driving cylinder for driving the oiling needle to approach and move away from the iron core on the positioning jig is provided on the sixth bracket.

9. The core feeding and commutator assembly machine according to claim 1, characterized in that: The iron core detection mechanism includes a contact displacement sensor and a carrier for carrying the iron core; a carrier bracket for supporting the carrier is arranged on the base; a slide cylinder is also arranged on the carrier bracket; the contact displacement sensor is arranged on the slide cylinder; and the robotic arm also transports the iron core to the carrier.

10. A core feeding and commutator assembly method, based on the core feeding and commutator assembly machine according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: S101, the robot arm transports the iron cores in the storage station to the iron core detection mechanism, the iron core detection mechanism detects the length of the iron core shaft, and the robot arm transports the unqualified iron cores to the defective product recovery mechanism. S102, the robot arm transports the qualified iron core detected by the iron core detection mechanism to the oiling mechanism, and the oiling mechanism oils the rotating shaft of the iron core. At this time, the positioning mechanism positions the angle of the commutator on the feeding mechanism, and the feeding mechanism feeds the positioned commutator to the pressing mechanism. S103, the robot arm transports the oiled iron core to the clamping mechanism, and the pressing mechanism presses the commutator onto the iron core on the clamping mechanism. S104, the robot arm transports the iron cores that have passed the press-fitting to the conveying mechanism, and the conveying mechanism transports the iron cores to the next workstation. The robot arm also transports the iron cores that have failed the press-fitting to the defective product recovery mechanism.

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