A stator core set feeding mechanism

By designing a stator core feeding mechanism and utilizing the combination of pneumatic and motor components, continuous and stable feeding of stator cores was achieved, solving the problem of low efficiency of mechanical grippers and improving the gripping efficiency and feeding stability of stator cores.

CN118083528BActive Publication Date: 2026-08-04NINGBO DECHANG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO DECHANG TECH CO LTD
Filing Date
2024-03-14
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

In the existing stator core processing, the gripping efficiency of mechanical grippers is low, and the position of the raw materials needs to be fixed in advance, which is quite inconvenient.

Method used

A feeding mechanism was designed, comprising a stacking plate, a feeding assembly, a pushing assembly, a lifting assembly, a discharging assembly, and a receiving assembly. Through the cooperation of a pneumatic cylinder and a motor, the stator core is continuously and stably fed. The design of the lifting plate and push rod ensures the stable ejection and unloading of the stator core.

Benefits of technology

It achieves continuous and stable feeding of stator cores, prevents collapse, reduces collisions, improves gripping efficiency, and facilitates batch placement and unloading.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a stator core group feeding mechanism, which can continuously and stably feed stator cores. The mechanism comprises a stacking plate, a feeding assembly, a front pushing assembly, a lifting assembly, a discharging assembly and a receiving assembly. The front pushing assembly is installed at one end of the stacking plate, the feeding assembly is installed at one side of the stacking plate, the lifting assembly is installed at the other end of the stacking plate and corresponds to the stacking plate, the discharging assembly is installed on the discharging assembly and corresponds to the lifting assembly, and the receiving assembly is installed at the other side of the lifting assembly and corresponds to the discharging assembly. The mechanism can continuously and stably feed stator cores, facilitate the movement of the stator cores, facilitate the batch placement of the stator cores, differentiate the stator cores, facilitate the discharging of the stator cores, prevent the collapse of the stator cores, continuously push out the stator cores, facilitate the movement of the pushed-out stator cores, and reduce the knocking during the discharging process.
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Description

Technical Field

[0001] This invention relates to the technical field of stator core processing, and in particular to a stator core assembly feeding mechanism. Background Technology

[0002] The stator core is a crucial component of the stator and a major part of the motor's magnetic circuit. It consists of fan-shaped plates, ventilation slots, positioning ribs, upper and lower toothed pressure plates, tension bolts, and support plates. The stator core is made by stamping silicon steel sheets into fan-shaped plates and stacking them onto the positioning ribs. The positioning ribs are welded to the machine base ring plate via support plates, and the core is then pressed together as a whole by the upper and lower toothed pressure plates and tension bolts. During stator core processing, a feeding device is typically used to transport the arranged stator cores one by one to the processing table for machining. Most existing conveying equipment uses mechanical grippers for gripping, which is relatively direct but has low efficiency, and the position of the material needs to be fixed in advance, which is inconvenient.

[0003] Chinese Patent Publication No. CN215072063U, published on December 7, 2021, discloses a stator core feeding device, including a base plate and a processing table. The processing table is located above the base plate. Support rods are symmetrically fixed on both sides of the upper surface of the base plate. A top plate is fixed to the top of the support rods. A first cylinder is installed on one side of the top of the top plate. A movable block is installed at the output end of the first cylinder via a telescopic rod. A mechanical claw is installed at the middle position of the bottom end of the movable block via a telescopic rod. The top plate has a through groove in the middle of its upper surface wall. The bottom plate has a vertical rod on one side of its upper surface wall, with a support plate fixed to its top. The support plate has symmetrically symmetrically shaped second through holes on its upper surface wall. A second cylinder is symmetrically mounted on the upper surface of the bottom plate, below the support plate. The output end of the second cylinder is connected to a limit rod via a telescopic rod. A support plate is located above the support plate, with symmetrically shaped first through holes on its upper surface wall. A protruding ring is fixed to the upper surface of the support plate, at the edge of the first through hole. The drawback of this invention is that the device relies on a robotic arm for gripping, resulting in low gripping efficiency. Summary of the Invention

[0004] The present invention aims to overcome the shortcomings of the low efficiency of using robotic arms for grasping in the prior art, and provides a stator core assembly feeding mechanism that can continuously and stably supply materials.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A stator core assembly feeding mechanism includes a stacking plate, a feeding component, a forward pushing component, a lifting component, a discharging component, and a receiving component. The forward pushing component is installed at one end of the stacking plate, the feeding component is installed on one side of the stacking plate, the lifting component is installed on the other end of the stacking plate and corresponds to the stacking plate, the discharging component is installed on the discharging component and corresponds to the lifting component, and the receiving component is installed on the other side of the lifting component and corresponds to the discharging component.

[0007] The stacking plate is used to stack materials. It moves under the action of the front pushing component installed on the other side. During the movement, it drives the stacked stator cores to move towards the lifting component. When materials are stacked on the stacking plate, the feeding component pushes the raw materials onto the stacking plate. Feeding through the feeding component can speed up the material conveying. After the feeding is completed, the front pushing component pushes one stator core onto the lifting component. Under the action of the lifting component, the upper stator cores are successively exposed. After the exposed stator cores are exposed, they are successively unloaded by the unloading component. The unloaded stator cores are received by the receiving component, completing the continuous unloading of stator cores. After the unloading of one layer of stator cores is completed, the lifting component drives the next layer of stator cores to rise again, and the unloading component unloads them again, realizing the continuous unloading of materials and achieving the purpose of continuous and stable material supply.

[0008] Preferably, baffles are installed on both sides of the stacking plate. The forward pushing assembly includes a pneumatic cylinder and a pusher plate. The pneumatic cylinder is installed on the stacking plate, and its pneumatic end is connected to the pusher plate. The two sides of the pusher plate correspond to the baffles on both sides. The baffles on both sides of the stacking plate are used to place batches of stator cores. The baffles can prevent the stator cores from collapsing and affecting the feeding. A pneumatic cylinder is installed on one end of the stacking plate. The pneumatic cylinder pushes the pusher plate forward, which can stably push the stator cores to move. This design facilitates the movement of the stator cores.

[0009] Preferably, the feeding assembly includes a placement plate, a second pneumatic cylinder, and a feeding plate. One end of the placement plate is connected to one side of the stacking plate and is close to the forward pushing assembly. The second pneumatic cylinder is mounted on the placement plate, with its pneumatic end corresponding to the feeding plate. Limiting plates are installed on both sides of the feeding plate. The feeding assembly is installed near the pushing assembly. A batch of stator cores is placed on the placement plate of the feeding assembly. The batch of stator cores enters the stacking plate under the push of the feeding plate. The feeding plate is driven by the second pneumatic cylinder. During movement, the limiting plates installed on both sides of the feeding plate ensure that the batch of stator cores enters the stacking plate stably. The stacking plate is then pushed by the push plate of the pushing assembly. This design facilitates the batch placement of stator cores.

[0010] Preferably, the lifting assembly includes a lifting plate and a motor. The lifting plate has a U-shaped cross-section and includes a base plate and two side plates. Two side plates are provided and installed on both sides of the base plate. The base plate corresponds to the stacking plate, and the side plates correspond to the baffles on both sides of the stacking plate. A rack is installed on the outer surface of the side plates. Two motors are provided and installed on two baffles. A gear is provided on the motor of the motor, and the gear meshes with the rack. The lifting plate of the lifting assembly is U-shaped, which can just accept one complete stator core. After the push plate drives the front end of the stator core into the lifting plate, the motor drives the lifting plate to rise through the engagement of the gear and the rack on the side plate of the lifting plate, lifting the upper end of one stator core out of the upper end of the batch of stator cores. This facilitates the sequential unloading of stator cores and does not affect the remaining stator cores. This design can separate the stator cores, which is beneficial for unloading.

[0011] Preferably, the bottom plate of the lifting plate is provided with a sealing plate, which is installed on the outer side of the bottom plate. The sealing plate, installed on the bottom plate of the lifting plate, can fit against the stacking plate and the baffle after the lifting plate rises. When fitted, it prevents the lower part of the stacked stator cores from collapsing during the lifting plate's ascent. During the lifting plate's ascent, the sealing plate at the bottom can seal one end of the stacking plate, ensuring the stability of the batch of stator cores. This design can prevent the stator cores from collapsing.

[0012] Preferably, the feeding assembly includes a moving rod, a second motor, and push rods. The moving rod has sliding grooves at both ends, and sliding blocks are provided on the inner side of each baffle. The moving rod is slidably connected to the baffle through the cooperation of the sliding blocks and sliding grooves. A second motor is installed on both sides of the moving rod, and a second gear is installed on the motor shaft of the second motor. A second rack is installed on the inner side of the baffle, and the second gear meshes with the second rack. Several push rods are provided, with one end connected to the side of the moving rod facing the lifting assembly. The push rods are evenly distributed, and their lengths decrease sequentially. A fitting ring is installed at the other end of each push rod, and the fitting ring has a semi-circular cross-sectional shape. The feeding assembly is installed on the baffle. The movement of the moving rod on the baffle is achieved by motor two. Gear two on motor two meshes with rack two on the baffle, driving the moving rod to move towards the lifting assembly. Several push rods with successively decreasing lengths are installed on one side facing the lifting assembly. The push rods of different lengths drive the contact ring to move. The contact ring contacts the stator core. Under the push of the push rods, the stator core is pushed out of the lifting plate. Since the length of the push rods decreases successively, the base core can be pushed out continuously as the moving rod moves. This design allows for the continuous pushing out of the stator core.

[0013] Preferably, a guide plate is provided on one side of the lifting plate, and a bonding plate is installed on one side of the guide plate. One side of the bonding plate is bonded to the lifting plate. The guide plate includes an upper plate, an inclined plate, and a lower plate. One end of the upper plate is connected to the bonding plate and corresponds to the lifting plate. The other end of the upper plate is connected to one end of the inclined plate. The cross-sectional shape of the inclined plate is trapezoidal. The angle between the plane where the inclined plate is located and the plane where the upper plate is located is an acute angle. The other end of the inclined plate is connected to the lower plate. The lower plate is connected to the end of the inclined plate with the shorter side length. A guide plate installed on the other side of the lifting plate is used to guide the stator core that is pushed out. A fitting plate is installed on the upper plate of the guide plate. The fitting plate fits against one side of the lifting plate. After fitting, it can ensure that the stator core inside the lifting plate will not collapse and limit the stator core. After the stator core is pushed out, it will enter the upper plate and then enter the inclined plate through the transition point. The inclined plate is at a certain angle. The stator core falls along the inclined plate. At the same time, the width of the inclined plate decreases and gradually corresponds to the stator core. At the same time, the stator core enters the lower plate, completing the guiding movement of the stator core. This design is beneficial for guiding the movement of the pushed-out stator core.

[0014] Preferably, the receiving assembly includes a rotating shaft, a receiving frame, and a motor. The rotating shaft has a turntable, and several receiving frames are evenly distributed circumferentially along the axis of the turntable. Each receiving frame corresponds to the lower plate of the guide plate. A gear is mounted on the bottom surface of the rotating shaft, and a gear is mounted on the motor shaft of the motor. Gears three and four mesh. The motor operates by meshing gear three with gear four on the rotating shaft. The rotating shaft drives the turntable to rotate, which in turn drives the receiving frames to rotate. As the receiving frames rotate, they sequentially align with the lower plate of the guide plate, receiving the stator cores that slide off the guide plate. The stator cores then enter the receiving frames and rotate with the turntable. This design facilitates the reception of the stator cores.

[0015] Preferably, the receiving frame has rotating plates on both sides near the guide plate. One end of the rotating plate is connected to the turntable, and the other end is rotatably connected to the receiving frame. A pneumatic cylinder is installed at the other end of the rotating plate, and its pneumatic end is connected to the bottom surface of the rotating plate. One end of the receiving frame corresponds to the lower plate. The rotating plate is mounted on the end of the receiving frame that is in contact with the lower plate and is rotatably connected to the turntable. The pneumatic cylinder is mounted on the other end. When the pneumatic cylinder is activated, it lifts the receiving frame. After the receiving frame receives the stator core, it is moved to the other side by the turntable. The pneumatic cylinder then tilts the receiving frame, tilting the stator core out of the receiving frame for loading. This design facilitates stator core unloading.

[0016] Preferably, the other end of the receiving assembly is equipped with a conveyor belt, on which a feeding plate is mounted. One end of the feeding plate corresponds to the receiving frame, and the other end corresponds to the conveyor belt. The conveyor belt at the other end of the receiving assembly is used to receive the stator core for loading. The feeding plate is installed at the end of the conveyor belt near the receiving frame. The feeding plate receives the stator core when the receiving plate tilts, ensuring that the stator core lands smoothly on the conveyor belt and reducing impact during the feeding process.

[0017] The beneficial effects of this invention are: it can continuously and stably supply materials, which facilitates the movement of the stator core, facilitates the batch placement of stator cores, can separate the stator cores to facilitate unloading, prevents the stator cores from collapsing, can continuously push out the stator cores, which helps guide the movement of the pushed-out stator cores, facilitates the receiving of stator cores, facilitates the unloading of stator cores, and reduces bumps during the unloading process. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the present invention;

[0019] Figure 2 yes Figure 1 Schematic diagram of the structure of the stacking plate;

[0020] Figure 3 yes Figure 1 Schematic diagram of the lifting assembly;

[0021] Figure 4 yes Figure 1 Schematic diagram of the structure of the feeding and unloading assembly;

[0022] Figure 5 yes Figure 1 A schematic diagram of the structure of the middle guide plate;

[0023] Figure 6 yes Figure 1 A schematic diagram of the receiving component in the middle;

[0024] Figure 7 yes Figure 1 A schematic diagram of the conveyor belt structure.

[0025] In the diagram: 1. Stacking plate; 11. Baffle; 12. Sliding block; 13. Rack II; 2. Feeding assembly; 21. Placement plate; 22. Pneumatic cylinder II; 23. Feeding plate; 24. Limiting plate; 3. Forward pushing assembly; 31. Pneumatic cylinder I; 32. Push plate; 4. Lifting assembly; 41. Lifting plate; 42. Motor I; 43. Base plate; 44. Side plate; 45. Gear I; 46. Rack I; 47. Enclosure plate; 5. Unloading assembly; 51. Moving rod; 52. Motor II; 53. Push rod; 54. Sliding groove; 55. Gear II; 56. Fitting ring; 6. Receiving assembly; 61. Rotating shaft; 62. Receiving frame; 63. Motor III; 64. Turntable; 65. Gear III; 66. Gear IV; 67. Rotating plate; 68. Pneumatic cylinder III; 7. Guide plate; 71. Fitting plate; 72. Upper plate; 73. Inclined plate; 74. Lower plate; 8. Conveyor belt; 81. Unloading plate. Detailed Implementation

[0026] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0027] like Figure 1 In this embodiment, a stator core assembly feeding mechanism includes a stacking plate 1, a feeding component 2, a forward pushing component 3, a lifting component 4, a discharging component 5, and a receiving component 6. The forward pushing component 3 is installed at one end of the stacking plate 1, the feeding component 2 is installed on one side of the stacking plate 1, the lifting component 4 is installed on the other end of the stacking plate 1 and corresponds to the stacking plate 1, the discharging component 5 is installed on the discharging component 5 and corresponds to the lifting component 4, and the receiving component 6 is installed on the other side of the lifting component 4 and corresponds to the discharging component 5.

[0028] like Figure 2 As shown, baffles 11 are installed on both sides of the stacking plate 1. The forward pushing assembly 3 includes a pneumatic cylinder 31 and a push plate 32. The pneumatic cylinder 31 is installed on the stacking plate 1. The pneumatic end of the pneumatic cylinder 31 is connected to the push plate 32. The two sides of the push plate 32 correspond to the baffles 11 on both sides.

[0029] The feeding assembly 2 includes a placement plate 21, a second pneumatic cylinder 22, and a feeding plate 23. One end of the placement plate 21 is connected to one side of the stacking plate 1 and is close to the forward pushing assembly 3. The second pneumatic cylinder 22 is installed on the placement plate 21, and the pneumatic end of the second pneumatic cylinder 22 corresponds to the feeding plate 23. Limiting plates 24 are installed on both sides of the feeding plate 23.

[0030] like Figure 3As shown, the lifting assembly 4 includes a lifting plate 41 and a motor 42. The lifting plate 41 has a U-shaped cross-section and includes a base plate 43 and side plates 44. Two side plates 44 are provided and are respectively installed on both sides of the base plate 43. The base plate 43 corresponds to the stacking plate 1, and the side plates 44 correspond to the baffles 11 on both sides of the stacking plate 1. A rack 46 is installed on the outer side surface of the side plate 44. Two motors 42 are provided and are respectively installed on the two baffles 11. The motor of the motor 42 is provided with a gear 45, which meshes with the rack 46. A sealing plate 47 is provided on the base plate 43 of the lifting plate 41 and is installed on the outer side surface of the base plate 43.

[0031] like Figure 4 As shown, the feeding assembly 5 includes a moving rod 51, a second motor 52, and a push rod 53. The moving rod 51 has sliding grooves 54 at both ends, and sliding blocks 12 are provided on the inner side of the baffle 11. The moving rod 51 is slidably connected to the baffle 11 through the cooperation of the sliding blocks 12 and the sliding grooves 54. The second motor 52 is installed on both sides of the moving rod 51. The second gear 55 is installed on the motor shaft of the second motor 52. The second rack 13 is installed on the inner side of the baffle 11. The second gear 55 meshes with the second rack 13. There are several push rods 53, and one end of each push rod is connected to the side of the moving rod 51 facing the lifting assembly 4. The several push rods 53 are evenly distributed and the length of the push rods 53 decreases sequentially. The other end of the push rod 53 is equipped with a fitting ring 56, and the cross-sectional shape of the fitting ring 56 is semi-circular.

[0032] like Figure 5 As shown, a guide plate 7 is provided on one side of the lifting plate 41, and an adhesive plate 71 is installed on one side of the guide plate 7. One side of the adhesive plate 71 is attached to the lifting plate 41. The guide plate 7 includes an upper plate 72, an inclined plate 73, and a lower plate 74. One end of the upper plate 72 is connected to the adhesive plate 71 and corresponds to the lifting plate 41. The other end of the upper plate 72 is connected to one end of the inclined plate 73. The cross-sectional shape of the inclined plate 73 is trapezoidal. The angle between the plane where the inclined plate 73 is located and the plane where the upper plate 72 is located is an acute angle. The other end of the inclined plate 73 is connected to the lower plate 74. The lower plate 74 is connected to the end of the inclined plate 73 with the shorter side length.

[0033] like Figure 6 As shown, the receiving assembly 6 includes a rotating shaft 61, a receiving frame 62, and a motor 63. A turntable 64 is provided on the rotating shaft 61. Several receiving frames 62 are provided and are evenly distributed circumferentially along the axis of the turntable 64. The receiving frames 62 correspond to the lower plate 74 of the guide plate 7. A gear 65 is installed on the bottom surface of the rotating shaft 61. A gear 66 is installed on the motor shaft of the motor 63. The gear 65 and the gear 66 mesh.

[0034] The receiver 62 is provided with rotating plates 67 on both sides near the guide plate 7. One end of the rotating plate 67 is connected to the turntable 64, and the other end of the rotating plate 67 is rotatably connected to the receiver 62. The other end of the rotating plate 67 is provided with a pneumatic cylinder 68, and the pneumatic end of the pneumatic cylinder 68 is connected to the bottom surface of the rotating plate 67.

[0035] like Figure 7 As shown, the other end of the receiving component 6 is provided with a conveyor belt 8, and a feeding plate 81 is installed on the conveyor belt 8. One end of the feeding plate 81 corresponds to the receiving frame 62, and the other end of the feeding plate 81 corresponds to the conveyor belt 8.

[0036] In use, a batch of stator cores are placed on the placement plate 21 of the feeding assembly 2. The batch of stator cores enters the stacking plate 1 under the push of the feeding plate 23. The feeding plate 23 is driven by the pneumatic cylinder 22. During the movement, limit plates 24 are installed on both sides of the feeding plate 23. The limit plates 24 can ensure that the batch of stator cores enters the stacking plate 1 stably. On the stacking plate 1, it moves under the push of the push plate 32 of the front push assembly 3.

[0037] After the pusher plate 32 pushes one end of the stator core onto the lifting plate 41, the motor 42, through gear 46, engages with the rack 45 on the side plate 44 of the lifting plate 41 to raise the lifting plate 41, lifting the upper end of one stator core out of the top surface of the batch of stator cores. As the lifting plate 41 rises, the lower sealing plate 47 can seal one end of the stacking plate 1, ensuring the stability of the batch of stator cores.

[0038] Gear 55 on motor 52 meshes with rack 13 on baffle 11, driving moving rod 51 to move towards lifting assembly 4. Push rods 53 of varying lengths drive contact ring 56 to move, contact ring 56 contacts stator core, and under the push of push rods 53, pushes stator core out of lifting plate 41. Since the length of push rods 53 decreases sequentially, the base core can be pushed out sequentially as moving rod 51 moves.

[0039] After being pushed out by the fitting ring 56, the stator core enters the upper plate 72, then transitions to the inclined plate 73 at a certain angle. The stator core falls along the inclined plate 73, while the width of the inclined plate 73 decreases, gradually aligning with the stator core. Simultaneously, the stator core enters the lower plate 74. From the lower plate 74, it slides onto the corresponding receiving frame 62, which receives the stator core sliding off the guide plate 7. The stator core enters the receiving frame 62 and rotates with the turntable 64. After being switched to the other side by the turntable 64, the pneumatic cylinder 68 tilts the receiving frame 62, tilting the stator core out of the receiving frame 62. After sliding down, the stator core falls onto the conveyor belt 8 under the guidance of the unloading plate 81, completing the stator core loading process.

Claims

1. A stator core set feeding mechanism, characterized by, The assembly includes a stacking plate (1), a feeding component (2), a forward pushing component (3), a lifting component (4), a discharging component (5), and a receiving component (6). The forward pushing component (3) is installed at one end of the stacking plate (1). The feeding component (2) is installed on one side of the stacking plate (1). The lifting component (4) is installed on the other end of the stacking plate (1) and corresponds to the stacking plate (1). The discharging component (5) is installed on the discharging component (5) and corresponds to the lifting component (4). The receiving component (6) is installed on the other side of the lifting component (4) and corresponds to the discharging component (5). Baffles (11) are installed on both sides of the stacking plate (1). The forward pushing assembly (3) includes a pneumatic cylinder (31) and a push plate (32). The pneumatic cylinder (31) is mounted on the stacking plate (1). The pneumatic end of the pneumatic cylinder (31) is connected to the push plate (32). The two sides of the push plate (32) correspond to the baffles (11) on both sides. The lifting assembly (4) includes a lifting plate (41) and a motor (42). The lifting plate (41) has a U-shaped cross-section. The lifting plate (41) includes a base plate (43) and side plates (44). There are two side plates (44) and they are respectively mounted on both sides of the base plate (43). The base plate (43) corresponds to the stacking plate (1). The plate (44) corresponds to the baffles (11) on both sides of the stacking plate (1). A rack (46) is installed on the outer side of the side plate (44). Two motors (42) are provided and are installed on the two baffles (11) respectively. A gear (45) is provided on the motor of the motor (42). The gear (45) meshes with the rack (46). The feeding assembly (5) includes a moving rod (51), a second motor (52) and a push rod (53). The moving rod (51) has sliding grooves (54) at both ends. Sliding blocks (12) are provided on the inner side of the baffles (11). The moving rod (51) passes through the sliding blocks (12) and the sliding... The groove (54) is slidably connected to the baffle (11). Motors (52) are installed on both sides of the moving rod (51). Gears (55) are installed on the motor shaft of the motors (52). Racks (13) are installed on the inner side of the baffle (11). Gears (55) mesh with racks (13). There are several push rods (53), one end of which is connected to the side of the moving rod (51) facing the lifting assembly (4). The push rods (53) are evenly distributed and the length of the push rods (53) decreases sequentially. The other end of the push rod (53) is fitted with a fitting ring (56). The cross-sectional shape of the fitting ring (56) is semi-circular.

2. The stator core assembly feeding mechanism according to claim 1, wherein The feeding assembly (2) includes a placement plate (21), a second pneumatic cylinder (22) and a feeding plate (23). One end of the placement plate (21) is connected to one side of the stacking plate (1) and close to the forward push assembly (3). The second pneumatic cylinder (22) is installed on the placement plate (21). The pneumatic end of the second pneumatic cylinder (22) corresponds to the feeding plate (23). Limiting plates (24) are installed on both sides of the feeding plate (23).

3. The stator core assembly feeding mechanism according to claim 1, wherein The lifting plate (41) has a sealing plate (47) on its base plate (43), and the sealing plate (47) is installed on the outer side of the base plate (43).

4. The stator core assembly feeding mechanism according to claim 1, wherein A guide plate (7) is provided on one side of the lifting plate (41), and a fitting plate (71) is installed on one side of the guide plate (7). One side of the fitting plate (71) is fitted with the lifting plate (41). The guide plate (7) includes an upper plate (72), an inclined plate (73), and a lower plate (74). One end of the upper plate (72) is connected to the fitting plate (71) and corresponds to the lifting plate (41). The other end of the upper plate (72) is connected to one end of the inclined plate (73). The cross-sectional shape of the inclined plate (73) is trapezoidal. The angle between the plane where the inclined plate (73) is located and the plane where the upper plate (72) is located is an acute angle. The other end of the inclined plate (73) is connected to the lower plate (74). The lower plate (74) is connected to the shorter side of the inclined plate (73).

5. The stator core assembly feeding mechanism according to claim 4, wherein The receiving component (6) includes a rotating shaft (61), a receiving frame (62), and a motor (63). The rotating shaft (61) is provided with a turntable (64). The receiving frame (62) is provided with several of them and is evenly distributed around the axis of the turntable (64). The receiving frame (62) corresponds to the lower plate (74) of the guide plate (7). A gear (65) is installed on the bottom surface of the rotating shaft (61). A gear (66) is installed on the motor shaft of the motor (63). The gear (65) and the gear (66) mesh.

6. The stator core assembly feeding mechanism according to claim 5, wherein The receiving frame (62) has rotating plates (67) on both sides near the guide plate (7). One end of the rotating plate (67) is connected to the turntable (64), and the other end of the rotating plate (67) is rotatably connected to the receiving frame (62). The other end of the rotating plate (67) is provided with a pneumatic cylinder three (68), and the pneumatic end of the pneumatic cylinder three (68) is connected to the bottom surface of the rotating plate (67).

7. The stator core assembly feeding mechanism according to claim 4, wherein The receiving component (6) has a conveyor belt (8) at the other end, and a feeding plate (81) is installed on the conveyor belt (8). One end of the feeding plate (81) corresponds to the receiving frame (62), and the other end of the feeding plate (81) corresponds to the conveyor belt (8).