CN116526778A - Stator coil flaring machine of new energy automobile TM system - Google Patents

Stator coil flaring machine of new energy automobile TM system Download PDF

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Publication number
CN116526778A
CN116526778A CN202310447850.5A CN202310447850A CN116526778A CN 116526778 A CN116526778 A CN 116526778A CN 202310447850 A CN202310447850 A CN 202310447850A CN 116526778 A CN116526778 A CN 116526778A
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CN
China
Prior art keywords
workpiece
pressing
detection
positioning
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310447850.5A
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Chinese (zh)
Inventor
康继飞
苏伟
卜祥瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Keber Precision Machinery Co Ltd
Original Assignee
Suzhou Keber Precision Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Keber Precision Machinery Co Ltd filed Critical Suzhou Keber Precision Machinery Co Ltd
Priority to CN202310447850.5A priority Critical patent/CN116526778A/en
Publication of CN116526778A publication Critical patent/CN116526778A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/04Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention discloses a stator coil flaring machine of a new energy automobile TM system, which comprises a rack, and a jacking mechanism, a conveying mechanism, a transfer mechanism, a positioning mechanism and a crochet hook mechanism which are arranged on the rack; the conveying mechanism is used for conveying the loading mould, the loading mould is used for loading a workpiece, and the jacking mechanism is used for jacking the loading mould; the transfer mechanism transfers the workpiece on the jacked loading die to the positioning mechanism, the workpiece is matched with the positioning mechanism and the crochet hook mechanism, and the crochet hook mechanism performs flaring processing; the lifting mechanism and the conveying mechanism are designed on the machine, so that the machine can be matched with a production line for use, manual feeding and discharging are not needed, and the processing efficiency is improved; the cam pre-pressing mechanism is added on the transfer mechanism, so that the transfer mechanism can compress the workpiece on the basis of the basic carrying function, the rotation of the workpiece is not influenced, and the stability of flaring processing is improved; and a detection mechanism is additionally arranged to prevent defective products from flowing into normal products.

Description

Stator coil flaring machine of new energy automobile TM system
Technical Field
The invention relates to a stator coil flaring machine of a new energy automobile TM system, and belongs to the technical field of automatic equipment.
Background
In the production process of a stator coil of a driving motor (TM) of a new energy automobile, flaring processing is required, most of existing flaring machines are independent devices, parts are required to be manually taken and placed, and then the parts are conveyed to a processing position by a manipulator on the devices, so that the efficiency of the processing mode is low, and the processing mode cannot meet the production requirements of a pipelining type; moreover, the transfer manipulator of the existing flaring machine only has the function of carrying, and the lack of an effective positioning and fixing structure on the flaring mechanism can cause unstable flaring processing and easily cause defective products.
Disclosure of Invention
Aiming at the technical problems, the invention aims at: a stator coil flaring machine of a new energy automobile TM system is provided.
The technical solution of the invention is realized as follows: a stator coil flaring machine of a new energy automobile TM system comprises a rack, a jacking mechanism, a conveying mechanism, a transferring mechanism, a positioning mechanism and a crochet hook mechanism, wherein the jacking mechanism, the conveying mechanism, the transferring mechanism, the positioning mechanism and the crochet hook mechanism are arranged on the rack; the conveying mechanism is used for conveying a loading die, the loading die is used for loading a workpiece, the workpiece comprises a stator and a coil wound on the stator, and the jacking mechanism is used for jacking the loading die so that the loading die is separated from the conveying mechanism; the transfer mechanism carries the workpiece on the jacked loading die to the positioning mechanism, the workpiece is matched with the positioning mechanism and the crochet mechanism, and the crochet mechanism carries out flaring processing.
Preferably, the conveying mechanism adopts a double-speed chain, the jacking mechanism comprises a jacking cylinder and a top plate, and the loading mould comprises a carrier plate and a stator support; the double-speed chain drives the carrier plate to move, the stator support is arranged on the carrier plate and used for supporting a stator, and the jacking cylinder drives the top plate to jack up the carrier plate, so that the carrier plate is separated from the double-speed chain.
Preferably, a transfer frame is arranged at the top of the frame, and the transfer mechanism comprises an upper sliding table, a lifting table and a cam pre-pressing mechanism; the upper sliding table is provided with a transfer motor and a lifting motor, the transfer motor drives the upper sliding table to move on the transfer frame, the lifting motor drives the lifting table to lift, and a grabbing mechanism is arranged on the lower side of the lifting table; the cam pre-pressing mechanism comprises a pre-pressing cylinder and a pressing plate, the pressing plate is positioned at the lower side of the lifting table, the pre-pressing cylinder drives the pressing plate to lift, and a plurality of pressing wheels are arranged on the pressing plate; after the pressing plate descends, the pressing plate presses the stator on the positioning mechanism through a plurality of pressing wheels.
Preferably, the positioning mechanism is positioned above the crochet hook mechanism, and comprises a positioning plate, a transposition disk and a transposition air cylinder, wherein the transposition disk is rotatably arranged on the positioning plate, and the transposition air cylinder drives the transposition disk to rotate for transposition; the rotating disc mould and the rotating disc driving device are arranged on the transposition disc, and the rotating disc driving device drives the rotating disc mould to rotate on the transposition disc.
Preferably, the turntable die is matched with the workpiece, and when the transposition disk and the turntable die rotate, the cam pre-pressing mechanism always presses the workpiece on the turntable die, and under the action of the plurality of pressing wheels, the stator and the cam pre-pressing mechanism form rolling friction.
Preferably, the positioning mechanism is arranged on a table top of the machine frame, a support column and a locking part are arranged on the table top of the machine frame, one end of the positioning plate is in running fit with the support column, and the other end of the positioning plate is in fit with the locking part.
Preferably, the rack is provided with a detection mechanism, after the crochet mechanism finishes processing, the transfer mechanism carries the workpiece on the positioning mechanism to the detection mechanism for detection, and after the detection is finished, the transfer mechanism carries the workpiece from the detection mechanism to the loading mould on the conveying mechanism.
Preferably, the detection mechanism comprises a detection disc, a tray frame, a lever, a balancer, a touch sensor and a detection support; the detection support is arranged on the frame, and the lever, the balancer and the touch sensor are arranged on the detection support; the detection disc is arranged on the tray frame, the detection disc is provided with a standard wire slot, the tray frame is arranged at the front end of the lever, the touch sensor is matched with the front end of the lever, and the balancer is matched with the rear end of the lever.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the stator coil flaring machine of the new energy automobile TM system, the jacking mechanism and the conveying mechanism are designed on the machine, so that the machine can be matched with a production line for use, manual feeding and discharging are not needed, and the processing efficiency is improved; the cam pre-pressing mechanism is added on the transfer mechanism, so that the transfer mechanism can compress the workpiece on the basis of the basic carrying function, the rotation of the workpiece is not influenced, and the stability of flaring processing is improved; and a detection mechanism is additionally arranged to prevent defective products from flowing into normal products.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram of a three-dimensional structure of a stator coil flaring machine of a new energy automobile TM system;
FIG. 2 is a schematic structural view of the jacking mechanism and the loading mold according to the present invention;
FIG. 3 is a schematic view of a cam pre-pressing mechanism according to the present invention;
FIG. 4 is a schematic view of a positioning mechanism according to the present invention;
fig. 5 is a schematic structural diagram of the detection mechanism according to the present invention.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in figure 1, the invention relates to a stator coil flaring machine of a new energy automobile TM system, which comprises a frame 1, and a jacking mechanism 2, a conveying mechanism 3, a transferring mechanism, a positioning mechanism 5, a crochet hook mechanism 6 and a detecting mechanism 8 which are arranged on the frame 1.
The wire body of the conveying mechanism 3 can adopt a double-speed chain, the front end and the rear end of the conveying mechanism 3 can be connected with conveying lines on other stations, such as a coil head cutting machine, a coil twisting machine and the like, the double-speed chain drives a loading die 7 to move, the loading die 7 is used for loading workpieces, and the workpieces of the flaring machine generally comprise a stator and coils wound on the stator.
The specific structure of the jacking mechanism 2 and the loading mould 7 can refer to fig. 2, the jacking mechanism 2 comprises a jacking air cylinder 11 and a top plate 12, the loading mould 7 comprises a carrier plate 13 and a stator support 14, the carrier plate 13 can be driven to move through a double-speed chain, the stator support 14 is arranged on the carrier plate 13, the stator support 14 is used for supporting a stator, the jacking air cylinder 11 drives the top plate 12 to jack the carrier plate 13, the carrier plate 13 can be separated from the double-speed chain, and the transfer mechanism is convenient to grasp a workpiece.
Referring to fig. 1 and 3, a transfer rack 4 is arranged at the top of the frame 1, and the transfer mechanism comprises an upper sliding table 21, a lifting table 22 and a cam pre-pressing mechanism 23; the upper sliding table 21 is provided with a transfer motor 24, a lifting motor 25 and an anti-falling cylinder 27, the transfer motor 24 can drive the upper sliding table 21 to move on the transfer frame 4 through structures such as a double-sided gear rack and the like, and the lifting motor 25 can drive the lifting table 22 to lift through structures such as a screw rod synchronous belt or a gear rack and the like.
Referring to fig. 3, a gripping mechanism 26 is disposed on the lower side of the lifting table 22, and in this embodiment, the gripping mechanism 26 adopts a three-jaw chuck; the cam pre-pressing mechanism 23 comprises a pre-pressing cylinder 31 and a pressing plate 32, the pressing plate 32 is located on the lower side of the lifting table 22, the pressing plate 32 is matched with the lower side structure of the lifting table 22 through a plurality of guide posts, and the pre-pressing cylinder 31 can drive the pressing plate 32 to lift.
The grabbing mechanism 26 passes through the pressing plate 32 from the middle, a circular ring structure avoiding the grabbing mechanism 26 is arranged in the middle of the pressing plate 32, a plurality of pressing wheels 33 are arranged on the inner ring of the circular ring structure of the pressing plate 32, and the pressing wheels 33 protrude downwards from the lower surface of the pressing plate 32.
After the gripping mechanism 26 of the transfer mechanism grips the workpiece from the loading die 7 and is placed on the positioning mechanism 5, the pressing plate 32 descends, the stator is pressed on the positioning mechanism 5 through the plurality of pressing wheels 33, then the three-jaw chuck can loosen the workpiece, and the transfer mechanism is kept at the current position in the processing process; in order to ensure that the transfer mechanism is maintained at the current position, a latch device may be provided at four corners of the upper slide table 21, and a structure for inserting a latch may be provided at a corresponding position of the transfer rack 4.
Referring to fig. 1 and 4, the positioning mechanism 5 is located on the table surface of the frame 1 above the crochet mechanism 6, the positioning mechanism 5 includes a positioning plate 41, a transposition disk 42 and a transposition air cylinder 43, the transposition disk 42 is rotatably disposed on the positioning plate 41, one end of the transposition air cylinder 43 is hinged on the positioning plate 41, and the other end is hinged on the transposition disk 42, so that the transposition disk 42 can be driven to rotate and transpose.
The table top of the frame 1 is provided with a support column 46 and a locking part 47, one end of the positioning plate 41 is in running fit with the support column 46, the other end of the positioning plate 41 is in fit with the locking part 47, the locking part 47 can adopt a lock catch and other structures, the positioning plate 41 is locked at the installation position through the locking part 47, when maintenance is needed, the locking part 47 can be unlocked, and the positioning plate 41 can be moved away along the support column 46 in a running mode, so that the hook needle mechanism 6 is prevented from being blocked.
The turntable die 44 and the turntable driving device 45 are arranged on the transposition disk 42, a workpiece is placed on the turntable die 44, the turntable die 44 is provided with a nested structure matched with the structure of the lower side of the stator and the coil, and the turntable driving device 45 can be matched with the turntable die 44 through a gear rack and other structures to drive the turntable die 44 to rotate on the transposition disk 42.
When the transposition disk 42 and the turntable die 44 rotate, the stator is driven to synchronously rotate, the cam pre-pressing mechanism 23 always presses the workpiece on the turntable die 44, and under the action of the plurality of pressing wheels 33, the stator and the cam pre-pressing mechanism 23 form rolling friction, so that the normal rotation of the workpiece is not influenced while the pressing action is ensured.
The crochet mechanism 6 can adopt the existing flaring mechanism, and after a workpiece is in place, the crochet in the crochet mechanism 6 finishes the flaring action of the flat wire; however, due to the space limitation, the crochet hook cannot finish all flat wire flaring processing at one time, the crochet hook is designed to be half of the number of flat wires, half of the flat wires are processed at one time, and then the transposition disk 42 is driven to slightly rotate by a certain angle through the transposition cylinder 43, wherein the angle can be designed according to parameters such as the interval between adjacent crochet hooks, and the like, and is generally 5 degrees; after the transposition disk 42 is rotated, the other half flat wire of the workpiece is aligned with the crochet hook, and the crochet hook mechanism 6 can perform flaring processing on the other half flat wire.
Referring to fig. 1, the frame 1 is provided with a detecting mechanism 7, after the processing of the crochet hook mechanism 6 is completed, the transferring mechanism carries the workpiece on the positioning mechanism 5 to the detecting mechanism 7 for detection, and after the detection is completed, the transferring mechanism carries the workpiece from the detecting mechanism 7 to the loading mold 7 on the conveying mechanism 3.
Referring to fig. 5, the detection mechanism 7 includes a detection disc 51, a tray frame 52, a lever 53, a balancer 54, a touch sensor 55, and a detection support 56; the detection support 56 is arranged on the frame 1, and the lever 53, the balancer 54 and the touch sensor 55 are arranged on the detection support 56; the detection disc 51 is arranged on the tray frame 52, a standard wire slot is arranged on the detection disc 51, the tray frame 52 is arranged at the front end of the lever 53, the touch sensor 55 is matched with the front end of the lever 53, the balancer 54 is matched with the rear end of the lever 53, and the balancer 54 can adopt a spring hook for ensuring that the lever 53 is in a balanced position.
The machined workpiece is placed in the test plate 51 and if the flaring is very standard, the flat wire head of the product will perfectly match the standard wire slot in the test plate 51 and will not trigger the touch sensor 55.
However, if the flat wire head of the product is processed with deviation, part of the flat wire head of the product cannot be inserted into the standard wire slot, the detection disc 51 is pushed downwards, and then the touch sensor 55 is triggered, and then the device alarms.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (8)

1. A new energy automobile TM system's stator coil flaring machine, its characterized in that: comprises a frame (1), a jacking mechanism (2), a conveying mechanism (3), a transferring mechanism, a positioning mechanism (5) and a crochet hook mechanism (6) which are arranged on the frame (1); the conveying mechanism (3) is used for conveying the loading mould (7), the loading mould (7) is used for loading a workpiece, the workpiece comprises a stator and a coil wound on the stator, and the jacking mechanism (2) is used for jacking the loading mould (7) so as to enable the loading mould (7) to be separated from the conveying mechanism (3); the transfer mechanism carries the workpiece on the jacked loading die (7) to the positioning mechanism (5), the workpiece is matched with the positioning mechanism (5) and the crochet mechanism (6), and the crochet mechanism (6) performs flaring processing.
2. The new energy automobile TM system stator coil flaring machine of claim 1, wherein: the conveying mechanism (3) adopts a double-speed chain, the jacking mechanism (2) comprises a jacking cylinder (11) and a top plate (12), and the loading mould (7) comprises a carrier plate (13) and a stator support (14); the double-speed chain driving carrier plate (13) moves, the stator support (14) is arranged on the carrier plate (13), the stator support (14) is used for supporting a stator, the jacking cylinder (11) drives the top plate (12) to jack up the carrier plate (13), and the carrier plate (13) is separated from the double-speed chain.
3. The new energy automobile TM system stator coil flaring machine of claim 1, wherein: the top of the frame (1) is provided with a transfer frame (4), and the transfer mechanism comprises an upper sliding table (21), a lifting table (22) and a cam pre-pressing mechanism (23); the upper sliding table (21) is provided with a transfer motor (24) and a lifting motor (25), the transfer motor (24) drives the upper sliding table (21) to move on the transfer frame (4), the lifting motor (25) drives the lifting table (22) to lift, and a grabbing mechanism (26) is arranged at the lower side of the lifting table (22); the cam pre-pressing mechanism (23) comprises a pre-pressing cylinder (31) and a pressing plate (32), the pressing plate (32) is positioned at the lower side of the lifting table (22), the pre-pressing cylinder (31) drives the pressing plate (32) to lift, and a plurality of pressing wheels (33) are arranged on the pressing plate (32); after the pressing plate (32) descends, the pressing plate (32) presses the stator on the positioning mechanism (5) through a plurality of pressing wheels (33).
4. The new energy automobile TM system stator coil flaring machine of claim 3, wherein: the positioning mechanism (5) is positioned above the crochet hook mechanism (6), the positioning mechanism (5) comprises a positioning plate (41), a transposition disk (42) and a transposition air cylinder (43), the transposition disk (42) is rotatably arranged on the positioning plate (41), and the transposition air cylinder (43) drives the transposition disk (42) to rotate for transposition; the rotary table die (44) and the rotary table driving device (45) are arranged on the transposition disk (42), and the rotary table driving device (45) drives the rotary table die (44) to rotate on the transposition disk (42).
5. The new energy automobile TM system stator coil flaring machine of claim 4, wherein: the rotary table die (44) is matched with a workpiece, and when the transposition disk (42) and the rotary table die (44) rotate, the cam pre-pressing mechanism (23) always presses the workpiece on the rotary table die (44) and enables the stator and the cam pre-pressing mechanism (23) to form rolling friction under the action of the plurality of pressing wheels (33).
6. The new energy automobile TM system stator coil flaring machine of claim 4, wherein: the positioning mechanism (5) is arranged on the table top of the machine frame (1), a supporting column (46) and a locking part (47) are arranged on the table top of the machine frame (1), one end of the positioning plate (41) is in running fit with the supporting column (46), and the other end of the positioning plate is in fit with the locking part (47).
7. The new energy automobile TM system stator coil flaring machine of claim 1, wherein: the machine frame (1) is provided with a detection mechanism (7), after the crochet hook mechanism (6) finishes processing, the transfer mechanism carries the workpiece on the positioning mechanism (5) to the detection mechanism (7) for detection, and after the detection is finished, the transfer mechanism carries the workpiece from the detection mechanism (7) to the loading die (7) on the conveying mechanism (3).
8. The new energy automobile TM system stator coil flaring machine of claim 7, wherein: the detection mechanism (7) comprises a detection disc (51), a tray frame (52), a lever (53), a balancer (54), a touch sensor (55) and a detection support (56);
the detection support (56) is arranged on the frame (1), and the lever (53), the balancer (54) and the touch sensor (55) are arranged on the detection support (56); the detection disc (51) is arranged on the tray frame (52), the standard wire slot is arranged on the detection disc (51), the tray frame (52) is arranged at the front end of the lever (53), the touch sensor (55) is matched with the front end of the lever (53), and the balancer (54) is matched with the rear end of the lever (53).
CN202310447850.5A 2023-04-24 2023-04-24 Stator coil flaring machine of new energy automobile TM system Pending CN116526778A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310447850.5A CN116526778A (en) 2023-04-24 2023-04-24 Stator coil flaring machine of new energy automobile TM system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310447850.5A CN116526778A (en) 2023-04-24 2023-04-24 Stator coil flaring machine of new energy automobile TM system

Publications (1)

Publication Number Publication Date
CN116526778A true CN116526778A (en) 2023-08-01

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ID=87407586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310447850.5A Pending CN116526778A (en) 2023-04-24 2023-04-24 Stator coil flaring machine of new energy automobile TM system

Country Status (1)

Country Link
CN (1) CN116526778A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116780841A (en) * 2023-08-21 2023-09-19 苏州百狮腾电气有限公司 Flaring device for stator coil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116780841A (en) * 2023-08-21 2023-09-19 苏州百狮腾电气有限公司 Flaring device for stator coil
CN116780841B (en) * 2023-08-21 2023-11-17 苏州百狮腾电气有限公司 Flaring device for stator coil

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