CN217640980U - Common mode winding method multi-thread-head magnetic ring winding machine - Google Patents

Abstract

The utility model discloses a multi-thread magnetic ring coiling machine of common mode winding method, including storing up line winding device and magnetic ring clamping device, set up the wire storage ring on the storage line winding device, still include the hanging wire device, the hanging wire device includes the hanging wire trimming head, sets up the trimming guide rail on the hanging wire trimming head, and trimming guide rail front end is provided with the hanging wire head, and slidable mounting has the trimming cutter on the trimming guide rail, and the trimming cutter slides through trimming cylinder drive, and the hanging wire trimming head is arranged in storage line winding device front side, and the hanging wire trimming head can extend in the wire storage ring winding district or return and reset. The utility model discloses can be according to the common mode winding demand, automatically be magnetic ring both sides winding line component leading-out terminal, be provided with when can winding simultaneously and dial the line device that the line head avoids disturbing, be provided with can the automatic feeding ejection of compact send the line device, be provided with and can cooperate wire-wound stability to send the line device and be provided with the trimming device who effectively cuts the tail-wire, production efficiency is high, product quality is good, satisfies the production demand.

Description

Common mode winding method multi-thread-head magnetic ring winding machine

Technical Field

The invention relates to a common mode winding method multi-thread-head magnetic ring winding machine.

Background

The magnetic ring winding machine is a device for winding wires on a magnetic ring to manufacture electronic components such as inductors, and the wires need to be wound on the magnetic ring at intervals symmetrically under the requirement of a magnetic ring common mode winding method, and corresponding wire ends need to be reserved for winding wire groups on two sides. Most of the existing magnetic ring winding processes are manual or semi-automatic production, for example, chinese patent application with publication number CN213935947U and patent name full-automatic magnetic ring winding machine can only perform the magnetic ring winding process of the common winding method, and cannot meet the production requirement of the common winding method.

Disclosure of Invention

Aiming at the problems in the background art, the invention provides the common mode winding multi-thread-head magnetic ring winding machine which can automatically form the thread outlets for winding thread components on two sides of a magnetic ring according to the common mode winding requirement, has high production efficiency and good product quality, and meets the production requirement.

In order to realize the purpose, the invention adopts the following technical scheme: the common mode winding method multi-thread-head magnetic ring winding machine comprises a stored wire winding device and a magnetic ring clamping device, a stored wire ring is arranged on the stored wire winding device, the common mode winding method multi-thread-head magnetic ring winding machine further comprises a wire hanging device, the wire hanging device comprises a wire hanging and wire shearing head, a wire shearing guide rail is arranged on the wire hanging and wire shearing head, the front end of the wire shearing guide rail is provided with a wire hanging head, a wire shearing cutter is slidably mounted on the wire shearing guide rail and slides through a wire shearing cylinder, the wire hanging and wire shearing head is arranged on the front side of the stored wire winding device, and the wire hanging and wire shearing head can extend into the wound area of the stored wire ring or retract to reset.

Preferably, the thread hanging and trimming head is mounted on the left and right position adjusting mechanism, the left and right position adjusting mechanism is mounted on the front and rear displacement mechanism, the left and right position adjusting mechanism comprises a position adjusting cylinder and a thread hanging device mounting plate, the thread hanging device mounting plate is mounted on the telescopic end of the position adjusting cylinder, the thread hanging and trimming head is mounted on the thread hanging device mounting plate, and the left and right position adjusting mechanism realizes front and rear position adjustment through the front and rear displacement mechanism.

Preferably, the magnetic ring clamping device further comprises a wire shifting device, the wire shifting device is installed above the magnetic ring clamping device and comprises a wire shifting rod, a wire shifting rotary cylinder and a wire shifting lifting cylinder, the wire shifting rod is driven by the wire shifting rotary cylinder, and the wire shifting rotary cylinder is installed on the telescopic end of the wire shifting lifting cylinder.

Preferably, the magnetic ring feeding device comprises a vibration disc, a vibration disc discharging channel, a feeding cylinder clamping jaw and a discharging cylinder clamping jaw, the feeding cylinder clamping jaw and the discharging cylinder clamping jaw are installed at a certain included angle, and the feeding cylinder clamping jaw and the discharging cylinder clamping jaw are driven to rotate by a feeding rotating cylinder.

Preferably, the magnetic ring feeding device further comprises a feeding mounting plate, a feeding base plate is arranged at the top of the feeding mounting plate, the feeding mounting plate is mounted on the feeding linear module, the feeding base plate is rotatably mounted with a cylinder clamping jaw mounting plate with a certain included angle, the cylinder clamping jaw mounting plate is driven by a feeding rotary cylinder, and a feeding cylinder clamping jaw and a discharging cylinder clamping jaw are mounted on the cylinder clamping jaw mounting plate through a feeding lifting cylinder and a discharging lifting cylinder respectively.

Preferably, the wire feeding device comprises a wire feeding clamping jaw, a wire feeding linear module, a winding board, a wire feeding and shearing mechanism, a wire feeding lifting cylinder and a wire feeding rotary cylinder, wherein the wire feeding and shearing mechanism is arranged on the rear side of the winding board, the wire feeding clamping jaw is arranged above the winding board, and the wire clamping and feeding actions of the wire feeding clamping jaw are realized through the wire feeding linear module, the wire feeding lifting cylinder and the wire feeding rotary cylinder.

Preferably, the winding plate comprises a lower winding wheel, an upper winding wheel, a wire clamping block and a wire inlet guide block, the upper winding wheel and the lower winding wheel are respectively arranged at the top and the middle of the winding plate, the wire outlet end of the upper winding wheel is provided with the wire clamping block, and the wire outlet end of the wire clamping block is provided with the wire inlet guide block.

Preferably, a trimming device is arranged below the wire storage and winding device and comprises a tail wire trimming mechanism capable of rising to the position of the wire storage ring, the tail wire trimming mechanism comprises a trimming fixing block and a tail wire trimming head, the tail wire trimming head is installed in a sliding mode relative to the trimming fixing block, a trimming cylinder is arranged below the trimming fixing block, a connecting rod is arranged at the telescopic end of the trimming cylinder, the top end of the connecting rod is connected with the tail wire trimming head, and a fixed knife edge and a movable knife edge are respectively arranged on the trimming fixing block and the tail wire trimming head.

Preferably, the thread trimming device further comprises a thread trimming support, a thread trimming support is slidably mounted on the thread trimming support, the tail thread trimming mechanism is mounted on the thread trimming support, and the thread trimming support is driven to lift through a driving motor.

Preferably, the top of the front end of the trimming fixing block is provided with a cover plate, and the matching surface of the trimming fixing block and the tail trimming head is provided with a felt.

The invention has the beneficial effects that:

according to the invention, wire outgoing heads can be automatically formed by winding wire components on two sides of the magnetic ring according to the requirement of a common mode winding method, and meanwhile, the wire shifting device capable of shifting the wire outgoing heads to avoid interference during winding, the wire feeding device capable of automatically feeding and discharging, the stable wire feeding device capable of matching with winding and the wire shearing device capable of effectively shearing tail wires are arranged, so that the production efficiency is high, the product quality is good, and the production requirement is met.

Drawings

Fig. 1 is an overall perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a front view of fig. 2.

Fig. 5 is a right side view of fig. 2.

Fig. 6 is a schematic view of a winding portion of the present invention.

Fig. 7 is a top view of fig. 6.

Fig. 8 is a partial schematic view of the thread hanging and trimming device of the present invention.

Fig. 9 is a schematic layout of the wire feeding device of the present invention.

Fig. 10 is an enlarged view of a portion a of fig. 9.

Fig. 11 is a schematic view of the thread hanging and trimming head of the present invention.

Fig. 12 is a schematic view of a magnetic ring feeding device of the present invention.

Fig. 13 is a schematic structural view of a magnetic ring feeding device of the present invention.

Fig. 14 is a bottom view of fig. 13.

Figure 15 is a schematic view of a feed cylinder jaw and a discharge cylinder jaw of the present invention.

Fig. 16 is a schematic view of the combination of the wire winding plate and the wire cutting mechanism of the present invention.

Fig. 17 is a perspective view of the wire winding plate of the present invention.

Fig. 18 is a perspective view of a tail trimming mechanism of the present invention.

Fig. 19 is a rear view of fig. 18.

Fig. 20 is a schematic view of the overall structure of the thread trimming device of the present invention.

In the figure, a wire storage and winding device 1; a reservoir ring 101; a magnetic ring clamping device 2; a wire hanging device 3; a front-rear displacement mechanism 301; a left-right position adjustment mechanism 302; a thread hanging and cutting head 303; a trimming cylinder 304; a trimming guide 305; a thread hanging head 306; a thread cutting knife 307; a magnetic ring feeding device 4; a vibrating disk 401; a vibratory pan discharge channel 402; a feeding straight line module 403; a charging cylinder jaw 404; a feeding lifting cylinder 405; a loading base plate 406; a feed rotary cylinder 407; a discharge lifting cylinder 408; a discharge cylinder clamping jaw 409; a feeding mounting plate 410; a cylinder clamp mounting plate 411; a jaw adjuster 412; a wire inlet device 5; a wire feeding clamping jaw 501; a wire feeding linear module 502; a wire winding plate 503; an incoming line trimming mechanism 504; a wire feeding lifting cylinder 505; a wire feeding rotary cylinder 506; a lower reel 507; an upper reel 508; a wire clamping block 509; an incoming wire guide block 510; a wire-pulling device 6; a wire-pulling lifting cylinder 601; a wire-pulling rotary cylinder 602; a wire poking rod 603; a thread trimming device 7; a trimming bracket 701; a drive motor 702; a trimming support 703; a tail trimming mechanism 704; a shear cylinder 705; a connecting rod 706; a trimming fixing block 707; tail wire cut ends 708; and a cover plate 709.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.

Referring to fig. 1 to 20, the common mode winding multi-stub magnetic ring winding machine includes a storage winding device 1 and a magnetic ring clamping device 2, the storage winding device 1 is provided with a storage ring 101, the common mode winding multi-stub magnetic ring winding machine further includes a hanging device 3, the hanging device 3 includes a hanging and cutting head 303, the hanging and cutting head 303 is provided with a cutting guide 305, the front end of the cutting guide 305 is provided with a hanging and cutting head 306, the cutting guide 305 is slidably provided with a cutting knife 307, the cutting knife 307 is driven to slide by a cutting cylinder 304, the hanging and cutting head 303 is arranged at the front side of the storage winding device 1, the whole hanging and cutting head 303 can extend into the winding area of the storage ring 101, the hanging and cutting head 303 extends into the inner side of the storage ring 101 after the first half of the coils are wound, the hanging and cutting head 303 is rotated with the storage ring 101 to simultaneously wind the wires on the hanging and cutting head 306, then the hanging and cutting head 303 is retracted to pull out the wires, and the two sides of the remaining coils of the common mode winding device are cut off the common mode winding reserved coils through the magnetic ring 307 after the winding of the first half of the coils is finished. Specifically, the thread hanging and trimming head 303 is mounted on a left-right position adjusting mechanism, the left-right position adjusting mechanism is mounted on a front-back displacement mechanism 301, the left-right position adjusting mechanism comprises a position adjusting cylinder 302 and a thread hanging device mounting plate 309, the thread hanging device mounting plate 309 is mounted on a telescopic end of the position adjusting cylinder 302, the thread hanging and trimming head 303 is mounted on the thread hanging device mounting plate 309, the left-right position adjusting mechanism realizes front-back position adjustment through the front-back displacement mechanism 301, namely the thread hanging and trimming head 303 realizes front-back and left-right position adjustment through the front-back displacement mechanism 301 and the left-right position adjusting mechanism, and meets the thread hanging and trimming requirements, wherein the front-back displacement mechanism 301 is a screw nut structure driven by a motor, the transmission distance is long, and the travelling is stable.

Further, the magnetic ring feeding device 4 comprises a vibration disc 401, a vibration disc discharging channel 402, a feeding cylinder clamping jaw 404 and a discharging cylinder clamping jaw 409, wherein the feeding cylinder clamping jaw 404 and the discharging cylinder clamping jaw 409 are installed at a certain included angle, and the feeding cylinder clamping jaw 404 and the discharging cylinder clamping jaw 409 are driven to rotate by a feeding rotating cylinder 407. Specifically, the magnetic ring feeding device 4 further comprises a feeding mounting plate 410, a feeding base plate 406 is arranged at the top of the feeding mounting plate 410, the feeding mounting plate 410 is mounted on the feeding linear module 403, the feeding base plate 406 is rotatably mounted with a cylinder clamping jaw mounting plate 411, the cylinder clamping jaw mounting plate 411 is integrally approximately in a V shape, the cylinder clamping jaw mounting plate 411 is integrally driven to rotate by a feeding rotating cylinder 407, and the feeding cylinder clamping jaw 404 and the discharging cylinder clamping jaw 409 are respectively mounted on the cylinder clamping jaw mounting plate 411 through a feeding lifting cylinder 405 and a discharging lifting cylinder 408. When material is taken, the position of the feeding cylinder clamping jaw 404 is located at the material taking position of the vibration disc discharging channel 402, and the position of the discharging cylinder clamping jaw 409 is matched with the magnetic ring clamping position of the magnetic ring clamping device 2. Meanwhile, the lifting is realized under the driving of a feeding lifting cylinder 405 and a discharging lifting cylinder 408, a feeding cylinder clamping jaw 404 clamps a magnetic ring sent out from a vibration disc discharging channel 402, meanwhile, a discharging cylinder clamping jaw 409 clamps the magnetic ring wound on a magnetic ring clamping device 2, and then a feeding rotary cylinder 407 drives a cylinder clamping jaw mounting plate 411 to rotate to drive the feeding cylinder clamping jaw 404 and the discharging cylinder clamping jaw 409 to rotate for an angle, so that the feeding cylinder clamping jaw 404 sends the clamped magnetic ring to be wound to the magnetic ring clamping device 2, and the discharging cylinder clamping jaw 409 sends the wound magnetic ring to a discharging part, and the feeding and discharging of the magnetic ring can be completed quickly. In addition, the finger clamps of the feeding cylinder clamping jaw 404 and the discharging cylinder clamping jaw 409 in the embodiment are installed through the clamping jaw adjusting piece 412, and the distance between an upper fingernail and a lower fingernail can be adjusted to meet the feeding requirements of magnetic rings with different sizes.

Furthermore, the invention also comprises a wire inlet device 5, wherein the wire inlet device 5 comprises a wire feeding clamping jaw 501, a wire feeding linear module 502, a winding plate 503, a wire feeding trimming mechanism 504, a wire feeding lifting cylinder 505 and a wire feeding rotating cylinder 506, the wire feeding trimming mechanism 504 is arranged at the rear side of the winding plate 503, the wire feeding clamping jaw 501 is arranged above the winding plate 503, and the wire feeding clamping jaw 501 realizes the wire clamping and wire feeding actions through the wire feeding linear module 502, the wire feeding lifting cylinder 505 and the wire feeding rotating cylinder 506. The winding plate 503 comprises a lower reel 507, an upper reel 508, a wire clamping block 509 and a wire inlet guide block 510, wherein the upper reel 508 and the lower reel 507 are respectively arranged at the top and the middle of the winding plate 503, the wire outlet end of the upper reel 508 is provided with the wire clamping block 509, and the wire outlet end of the wire clamping block 509 is provided with the wire inlet guide block 510. The copper wire source at the bottom of the device is sequentially wound on the lower reel 507 and the upper reel 508, then enters the wire inlet guide block 510 through the gap between the wire clamping blocks 509, and then passes through the knife edge of the wire inlet trimming mechanism 504 to extend out of the outer side. When the winding operation is performed, the end of the copper wire at the front end of the extended wire feeding and cutting mechanism 504 is clamped by the wire feeding clamping jaw 501, and the copper wire is sent to the wire storage ring 101 to be wound around the wire storage ring. After the wire storage ring 101 is wound and stored with enough wire length, the wire feeding clamping jaw 501 can be matched with and clamp the copper wire at the rear position of the wire feeding and trimming mechanism 504, so that the stability of the wire winding process is guaranteed, and preparation is made for the wire trimming operation of the wire feeding and trimming mechanism 504.

Furthermore, the magnetic ring wire drawing device comprises a wire drawing device 6, the wire drawing device 6 is installed above the magnetic ring clamping device 2, the wire drawing device 6 comprises a wire drawing rod 603, a wire drawing rotary cylinder 602 and a wire drawing lifting cylinder 601, the wire drawing rod 603 is driven by the wire drawing rotary cylinder 602, and the wire drawing rotary cylinder 602 is installed at the telescopic end of the wire drawing lifting cylinder 601. In the common mode winding method, after the winding of the wire on the magnetic ring side is completed, the wire hanging and cutting head 303 pulls out and cuts the wire. Before the thread hanging and cutting head 303 pulls out the thread, the thread at the thread inlet end is not cut off and is gradually tightened by the thread feeding clamping jaw 501 along with the winding process. The thread is tightened along with the thread hanging and cutting head 303 pulling out the thread to form a head, and in order to avoid the situation that the thread is too tight to generate short thread when the other side of the magnetic ring is wound, the thread at the thread inlet end is cut off through the thread inlet cutting mechanism 504 to form one of the magnetic ring heads. When the other side wire of the magnetic ring is wound, the wire end of the wire inlet end is easy to move to influence the subsequent winding process. At this time, the wire pulling lifting cylinder 601 drives the wire pulling rod 603 to descend to the top of the magnetic ring clamping device 2, and then the wire pulling rotating cylinder 602 drives the wire pulling rod 603 to rotate, so that the wire end of the wire inlet end is pulled away from the wire winding position, and the normal operation of the subsequent wire winding process is ensured.

Further, a trimming device 7 is arranged below the wire storage and winding device 1, the trimming device 7 comprises a tail trimming mechanism 704 capable of rising to the position of the wire storage ring 101, the tail trimming mechanism 704 comprises a trimming fixing block 707 and a tail trimming head 708, the tail trimming head 708 is slidably mounted relative to the trimming fixing block 707, a trimming cylinder 705 is arranged below the trimming fixing block 707, a connecting rod 706 is arranged at the telescopic end of the trimming cylinder 705, the top end of the connecting rod 706 is connected with the tail trimming head 708, and a fixed knife edge 710 and a movable knife edge 711 are respectively arranged on the trimming fixing block 707 and the tail trimming head 708. When the magnetic ring is wound to the tail wire, the tail wire trimming mechanism 704 is lifted to a position near the wire storage ring 101 of the wire storage winding device 1, so that the tail wire on the wire storage ring 101 is wound on a gap between the tail wire trimming head 708 and the trimming fixing block 707. After the magnetic rings are completely wound, the shearing cylinder 705 drives the tail wire shearing head 708 to retract, the wire is sheared and broken through the fixed knife edge 710 and the movable knife edge 711, and at the moment, the wire ends of the magnetic rings are completely sheared and formed, so that the winding work of one magnetic ring is completed. In this embodiment, the trimming device 7 further includes a trimming support 701, a trimming support 703 is slidably mounted on the trimming support 701, the tail trimming mechanism 704 is mounted on the trimming support 703, the trimming support 703 is driven to lift by the driving motor 702 in cooperation with structures such as belt transmission and chain transmission, the stroke is long, and the lifting operation is stable. In addition, the top of the front end of the trimming fixing block 707 is provided with a cover plate 709, and the matching surface of the trimming fixing block 707 and the tail trimming head 708 is provided with a felt, so that tail wires can be wound more stably, the wire breakage during trimming is less, the waste wires can be effectively dropped and collected, and other moving parts of the equipment cannot be interfered.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a multi-thread magnetic ring coiling machine of common mode winding method, includes wire storage winding device (1) and magnetic ring clamping device (2), sets up wire storage ring (101) on wire storage winding device (1), its characterized in that: still include hanging wire device (3), hanging wire device (3) are including hanging wire trimming head (303), set up trimming guide rail (305) on hanging wire trimming head (303), trimming guide rail (305) front end is provided with hanging wire head (306), slidable mounting has trimming cutter (307) on trimming guide rail (305), trimming cutter (307) slide through trimming cylinder (304) drive, hanging wire trimming head (303) are arranged in storing up line winding device (1) front side, hanging wire trimming head (303) can extend in storing up line ring (101) wire winding district or retract the reset.

2. The common mode winding multi-wire-head magnetic ring winding machine as claimed in claim 1, wherein: the thread hanging and trimming head (303) is arranged on a left and right position adjusting mechanism, the left and right position adjusting mechanism is arranged on a front and back displacement mechanism (301), the left and right position adjusting mechanism comprises a position adjusting cylinder (302) and a thread hanging device mounting plate (309), the thread hanging device mounting plate (309) is arranged on the telescopic end of the position adjusting cylinder (302), the thread hanging and trimming head (303) is arranged on the thread hanging device mounting plate (309), and the left and right position adjusting mechanism realizes front and back position adjustment through the front and back displacement mechanism (301).

3. The common mode winding multi-winding magnetic ring winding machine according to claim 1 or 2, characterized in that: still including dialling line device (6), dial line device (6) and install in magnetic ring clamping device (2) top, dial line device (6) including dialling line pole (603), dialling line revolving cylinder (602) and dialling line lift cylinder (601), dial line pole (603) through dialling line revolving cylinder (602) drive, dial line revolving cylinder (602) and install on dialling the flexible end of line lift cylinder (601).

4. The common mode winding multi-wire-head magnetic ring winding machine as claimed in claim 1 or 2, wherein: the magnetic ring feeding device (4) comprises a vibration disc (401), a vibration disc discharging channel (402), a feeding cylinder clamping jaw (404) and a discharging cylinder clamping jaw (409), the feeding cylinder clamping jaw (404) and the discharging cylinder clamping jaw (409) are installed at a certain included angle, and the feeding cylinder clamping jaw (404) and the discharging cylinder clamping jaw (409) are driven to rotate by a feeding rotating cylinder (407).

5. The common mode winding multi-winding magnetic ring winding machine as claimed in claim 4, wherein: the magnetic ring feeding device (4) further comprises a feeding mounting plate (410), the feeding mounting plate (410) is mounted on a feeding linear module (403), a feeding base plate (406) is arranged at the top of the feeding mounting plate (410), a cylinder clamping jaw mounting plate (411) with a certain included angle is rotatably mounted on the feeding base plate (406), the cylinder clamping jaw mounting plate (411) is driven by a feeding rotary cylinder (407), and a feeding cylinder clamping jaw (404) and a discharging cylinder clamping jaw (409) are mounted on the cylinder clamping jaw mounting plate (411) through a feeding lifting cylinder (405) and a discharging lifting cylinder (408) respectively.

6. The common mode winding multi-winding magnetic loop winding machine according to claim 1, 2 or 5, wherein: the wire feeding device comprises a wire feeding clamping jaw (501), a wire feeding linear module (502), a winding board (503), a wire feeding trimming mechanism (504), a wire feeding lifting cylinder (505) and a wire feeding rotary cylinder (506), wherein the wire feeding trimming mechanism (504) is arranged on the rear side of the winding board (503), the wire feeding clamping jaw (501) is arranged above the winding board (503), and the wire feeding clamping jaw (501) achieves wire clamping and wire feeding actions through the wire feeding linear module (502), the wire feeding lifting cylinder (505) and the wire feeding rotary cylinder (506).

7. The common mode winding multi-wire-head magnetic ring winding machine as claimed in claim 6, wherein: the winder (503) includes reel (507) down, goes up reel (508), trapping mechanism (509) and inlet wire guide block (510), goes up reel (508) and sets up respectively at winder (503) top and middle part with lower reel (507), goes up reel (508) leading-out terminal and sets up trapping mechanism (509), trapping mechanism (509) leading-out terminal sets up inlet wire guide block (510).

8. The common mode winding multi-wire-head magnetic ring winding machine as claimed in claim 1, 2, 5 or 7, wherein: wire cutting device (7) is arranged below wire storage winding device (1), wire cutting device (7) is including tail wire trimming mechanism (704) that can rise to wire storage ring (101) position, tail wire trimming mechanism (704) is including trimming fixed block (707) and tail wire trimming head (708), tail wire trimming head (708) is installed in relative trimming fixed block (707) sliding fit, trimming fixed block (707) below sets up shearing cylinder (705), set up connecting rod (706) on shearing cylinder (705) the flexible end, tail wire trimming head (708) is connected to connecting rod (706) top, set up fixed edge of a knife (710) and activity edge of a knife (711) on trimming fixed block (707) and tail wire trimming head (708) respectively.

9. The common mode winding multi-winding magnetic ring winding machine as claimed in claim 8, wherein: the thread trimming device (7) further comprises a thread trimming support (701), a thread trimming support (703) is installed on the thread trimming support (701) in a sliding mode, a tail thread trimming mechanism (704) is installed on the thread trimming support (703), and the thread trimming support (703) is driven to lift through a driving motor (702).

10. The common mode winding multi-wire-head magnetic ring winding machine as claimed in claim 9, wherein: a cover plate (709) is arranged at the top of the front end of the trimming fixed block (707), and a felt is arranged on the matching surface of the trimming fixed block (707) and the tail trimming head (708).

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