Four-wire T1 equipment and working method

Abstract

The present invention aims to provide a four-wire T1 twisting device and working method with high efficiency, high stranding quality and high distinction accuracy. The present invention comprises a T1 winding wire module, a transport module and a twisting wire module connected in sequence, the T1 winding wire module winds multiple strands of enameled wire on a T1 ring and cuts the head and tail wires of the enameled wire, the transport module transports the T1 ring wound by the T1 winding wire module to the twisting wire module, the twisting wire module comprises a magnetic ring clamping block, a rotating chuck assembly, and a chuck moving assembly, the chuck moving assembly drives the rotating chuck assembly away from or close to the magnetic ring clamping block, the rotating chuck assembly clamps the wire end of the magnetic ring and drives the wire end to rotate so that the enameled wire is twisted into one strand. The present invention is applied to the technical field of winding magnetic ring production.

Description

Technical Field

[0001] The present invention is applied to the technical field of winding magnetic ring production, and particularly relates to a four-wire twisted T1 device and a working method. Background Art

[0002] In today's world, networks are everywhere. Network transformers are the main electronic components of network equipment. In the past, network transformers were still in a fully manual production state. The manual production process included: manual winding of T1 rings; manual tapping and twisting of T1 rings; fixing T2 rings on special fixtures and manually winding T2 rings.

[0003] With the advancement of technology, the winding of the T1 ring can be automated by machines. However, before winding the T2 ring, the process is more complicated because the wires need to be tapped and twisted after the T1 ring is wound, and then the T2 ring is wound. Therefore, the manufacturing of network transformers now often requires the winding of the T1 ring to be completed by machine first, and then the winding of the T2 ring is done manually.

[0004] In the existing network transformer manufacturing process, the enameled wire needs to be twisted in sections before winding the T2 ring to achieve better electrical performance. In the sectioning process, the first section of multiple enameled wires needs to be twisted into one strand, and then the scattered wire ends need to be distinguished. After the distinction, some of the enameled wires are twisted to achieve section twisting. Manual twisting and distinction are prone to errors, and the quality of the twisted wires is poor and uneven, and the efficiency is low. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a four-wire T1 twisting device and a working method with high efficiency, high twisting quality and high distinction accuracy.

[0006] The technical solution adopted by the present invention is: the present invention includes a T1 winding wire module, a transportation module and a twisting wire module which are connected in sequence, the T1 winding wire module winds multiple strands of enameled wire on a T1 ring and cuts the head and tail wires of the enameled wire, the transportation module transports the T1 ring wound by the T1 winding wire module to the twisting wire module, the twisting wire module includes a magnetic ring clamping block, a rotating chuck assembly, and a chuck moving assembly, the chuck moving assembly drives the rotating chuck assembly away from or close to the magnetic ring clamping block, the rotating chuck assembly clamps the wire end of the magnetic ring and drives the wire end to rotate so that the enameled wire is twisted into a strand.

[0007] It can be seen from the above scheme that the winding of the T1 ring is completed by the T1 winding module and the head and tail wires are cut so that the lengths of the head and tail wires are different. The transport module is used to transport the wound T1 ring from the T1 winding module to the magnetic ring clamping block. The magnetic ring clamping block is used to fix the magnetic ring. The wire end of the magnetic ring is driven by the rotating chuck assembly to rotate the wire end so that the enameled wire is twisted into a strand. At the same time, the chuck moving assembly is set to drive the rotating chuck assembly to move, and then clamp different parts of the wire end. The rotating chuck assembly is moved to loosen the enameled wire with a shorter length and twist the enameled wire with a longer length. The production efficiency is improved by replacing manual labor with machinery, and at the same time, inaccurate wire division caused by manual fatigue or mistakes is avoided, thereby improving the qualified rate of products. In addition, the direction of force applied during manual twisting cannot be guaranteed to be consistent, and it is easy to have phenomena such as different densities or bending of the twisted wire parts. The twisting effect is improved by twisting the wire through a mechanism working along a fixed path.

[0008] A further preferred embodiment is that the T1 winding wire module includes an enameled wire pre-breaking mechanism, a twisting mechanism, a first winding mechanism and a tail wire breaking mechanism which are connected in sequence, wherein the enameled wire pre-breaking mechanism is used to pre-break a part of the enameled wire in the diameter direction, and the pre-breaking position of each enameled wire is different, the twisting mechanism is used to twist a part of the enameled wire, the first winding mechanism is used to wind a section of twisted wire twisted by the twisting mechanism onto the T1 ring, and the tail wire breaking mechanism is used to break the enameled wire at the enameled wire pre-breaking position, so that the head and tail wires of the T1 ring wound with the enameled wire are of different lengths.

[0009] It can be seen from the above scheme that the enameled wire is pre-broken in part in the diameter direction by the enameled wire breaking mechanism, and the pre-breaking position of each enameled wire is different, thereby achieving different lengths of the head and tail wires of the magnetic ring after winding and breaking.

[0010] A further preferred solution is that the rotating chuck assembly includes a jaw seat, a push rod, a mounting seat, a first cylinder and a first drive motor, the jaw seat rotatably cooperates with the mounting seat, the first drive motor and the first cylinder are both fixed on the mounting seat, the first drive motor is transmission-connected to the jaw seat and thereby drives the jaw seat to rotate, a pair of mutually cooperating clamping blocks are hingedly arranged in the jaw seat, a reset spring is arranged between the two clamping blocks, the reset spring brings the clamping ends of the two clamping blocks close to each other, the push rod is fixedly connected to the movable end of the first cylinder, the push rod passes through the rotating shaft of the jaw seat and cooperates with the ends of the two clamping blocks, the push rod is provided with a guide block cooperating with the two clamping blocks, and when the first cylinder is extended, the ends of the two clamping blocks are close to each other under the guiding action of the guide block.

[0011] It can be seen from the above scheme that the two clamping blocks are driven by the reset spring to cooperate with each other to clamp the wire end, and the first cylinder drives the push rod to move toward the two clamping blocks, so that the guide block guides and limits the ends of the two clamping blocks so that the ends are close to each other and compress the reset spring, thereby opening the clamping end. The first drive motor is connected to the clamping claw seat through transmission, so that the two clamping blocks clamp the wire end and drive the wire end to rotate so that multiple strands of enameled wire are twisted into one strand.

[0012] A further preferred solution is that the chuck moving assembly includes a base, a linear slide, a second drive motor, a belt and a pair of synchronous wheels, the pair of synchronous wheels are rotatably engaged on the base, the second drive motor is fixed on the base, one of the synchronous wheels is drivingly connected to the output shaft of the second drive motor, the mounting seat is slidably engaged on the linear slide, the belt is wound around the two synchronous wheels, the second drive motor drives the belt to operate via the synchronous wheels, and the mounting seat is fixedly connected to the belt.

[0013] It can be seen from the above scheme that the movement accuracy of the mounting seat is ensured by providing the linear slide rail. The second driving motor provides power and drives the mounting seat to perform reciprocating linear motion along the linear slide rail through belt transmission.

[0014] A preferred solution is that the twisted wire module also includes a CCD camera, and the CCD camera cooperates with the magnetic ring clamping block.

[0015] It can be seen from the above solution that the twisting effect of the rotating chuck assembly is detected by setting the CCD camera.

[0016] A preferred solution is that the transport module includes a linear moving component, a lifting component and an air gripper, the linear moving component drives the lifting component to perform reciprocating linear motion between the T1 winding wire module and the twisted wire module, the air gripper is fixed at the movable end of the lifting component, the lifting component drives the air gripper to perform linear motion in the vertical direction, and the air gripper cooperates with the T1 winding wire module and the magnetic ring clamping block.

[0017] It can be seen from the above scheme that the linear moving assembly and the lifting assembly are both common linear drive mechanisms.

[0018] A preferred solution is that the four-wire twisted T1 device also includes a subordinate magnetic ring winding molding group, and the subordinate magnetic ring winding molding group includes a first transportation mechanism, a branching mechanism, a second transportation mechanism and a second winding mechanism connected in sequence, the first transportation mechanism clamps and moves the magnetic ring with the wire end left to the branching mechanism, the branching mechanism separates the wire that needs to be wound around the magnetic ring, the second transportation mechanism clamps and transports the wire to the second winding mechanism, and the second winding mechanism winds the wire extending from the original magnetic ring onto the new magnetic ring.

[0019] It can be seen from the above scheme that the subordinate magnetic ring winding module is provided to wind the twisted wire ends around the small magnetic ring, thereby completing the winding of the subordinate magnetic ring.

[0020] The working method comprises the following steps:

[0021] A. First, four enameled wires are transported to the enameled wire pre-breaking mechanism under the traction of the wire feeding assembly. The enameled wire pre-breaking mechanism pre-breaks the enameled wires. The wire feeding assembly feeds the pre-broken enameled wires into the stranding mechanism. The stranding mechanism twists the strands required to be wound into the T1 magnetic ring. The wire feeding assembly feeds the enameled wires with the strands into the wire storage disk of the first winding mechanism to complete the wire storage action. Driven by the winding transmission assembly of the first winding mechanism, the front and rear inclined wheels of the first winding mechanism drive the enameled wires to rotate in the wire storage disk and wind them around the T1 magnetic ring. While winding, the wire arrangement assembly of the first winding mechanism rotates the magnetic ring to achieve uniform wire arrangement. After winding to the set number of turns, the wire outlet door opens, the wire head comes out of the wire outlet door, the material taking robot rises, takes away the wound product, and sends it to the magnet of the tail wire breaking mechanism; the tail wire breaking mechanism pulls off the excess tail wires, and the wire dividing mechanism takes out the product with the excess tail wires broken off;

[0022] B. Then the transport mechanism transports the wound T1 magnetic ring to the stranded wire module, and places the magnetic ring on the magnetic ring clamping block for fixing;

[0023] C. The rotating chuck assembly is driven by the chuck moving assembly to approach the magnetic ring clamping block, and the two clamping blocks clamp the wire ends of the magnetic ring under the elastic force of the reset spring, and the first driving motor drives the clamping jaw seat to rotate so that multiple wire ends are twisted into one strand;

[0024] D. After completing a single section of twisted wire, the chuck moving assembly drives the rotating chuck assembly to move away from the magnetic ring clamping block, and the moving distance is set according to the preset length of the wire end. When the rotating chuck assembly moves a certain distance, the wire end with a smaller length breaks away from the limit of the rotating chuck assembly. At this time, the first drive motor starts to twist the wire end with a larger length, thereby completing the segmented twisting.

[0025] It can be seen from the above scheme that this method can achieve rapid segmented stranding while ensuring the segmentation effect and stranding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0027] Figure 2 is a schematic diagram of the structure of the T1 surround line module;

[0028] Figure 3 is a structural schematic diagram of the transport module and the stranded wire module;

[0029] Figure 4 It is a structural schematic diagram of the slave magnetic ring surrounding module. DETAILED DESCRIPTION

[0030] like Figures 1 to 4 As shown, in this embodiment, the present invention includes a T1 winding wire module 1, a transport module 2 and a twisting wire module 3 which are connected in sequence, the T1 winding wire module 1 winds multiple strands of enameled wire on a T1 ring and cuts the head and tail wires of the enameled wire, the transport module 2 transports the T1 ring wound by the T1 winding wire module 1 to the twisting wire module 3, the twisting wire module 3 includes a magnetic ring clamping block 31, a rotating chuck assembly, and a chuck moving assembly, the chuck moving assembly drives the rotating chuck assembly away from or close to the magnetic ring clamping block 31, the rotating chuck assembly clamps the wire end of the magnetic ring and drives the wire end to rotate so that the enameled wire is twisted into a strand.

[0031] In this embodiment, the T1 winding wire module 1 includes an enameled wire pre-breaking mechanism 11, a twisting mechanism 12, a first winding mechanism 13 and a tail wire breaking mechanism 14 which are connected in sequence, wherein the enameled wire pre-breaking mechanism 11 is used to pre-break a part of the enameled wire in the diameter direction, and the pre-breaking position of each enameled wire is different, the twisting mechanism 12 is used to twist a part of the enameled wire, the first winding mechanism 13 is used to wind a section of the twisted wire twisted by the twisting mechanism 12 onto the T1 ring, and the tail wire breaking mechanism 14 is used to break the enameled wire at the enameled wire pre-breaking position, so that the head and tail wires of the T1 ring wound with the enameled wire are of different lengths.

[0032] In the present embodiment, the rotary chuck assembly comprises a jaw seat 32, a push rod 33, a mounting seat 34, a first cylinder 35 and a first drive motor 36. The jaw seat 32 is rotatably matched on the mounting seat 34. The first drive motor 36 and the first cylinder 35 are both fixed on the mounting seat 34. The output shaft of the first drive motor 36 and the jaw seat 32 are both provided with synchronous wheels. The first drive motor 36 is connected with the jaw seat 32 with a transmission, thereby driving the jaw seat 32 to rotate. A pair of mutually matching clamping blocks are hingedly arranged in the jaw seat 32. A reset spring is arranged between the two clamping blocks. The reset spring makes the clamping ends of the two clamping blocks approach each other. The push rod 33 is fixedly connected with the movable end of the first cylinder 35. The push rod 33 passes through the rotating shaft of the jaw seat 32 and cooperates with the ends of the two clamping blocks. A guide block cooperating with the two clamping blocks is provided on the push rod 33. When the first cylinder 35 is extended, the ends of the two clamping blocks are close to each other under the guiding action of the guide block.

[0033] In this embodiment, the chuck moving assembly includes a base 37, a linear slide 38, a second drive motor, a belt and a pair of synchronous wheels. The pair of synchronous wheels are rotatably engaged on the base 37. The second drive motor is fixed on the base 37. One of the synchronous wheels is transmission-connected to the output shaft of the second drive motor. The mounting seat 34 is slidingly engaged on the linear slide 38. The belt is wound on the two synchronous wheels. The second drive motor drives the belt to operate through the synchronous wheels. The mounting seat 34 is fixedly connected to the belt.

[0034] In this embodiment, the stranding module 3 also includes a CCD camera 39, and the CCD camera 39 cooperates with the magnetic ring clamping block 31. The stranding module 3 also includes a clamping mechanism, and the clamping mechanism includes a third drive motor, a linear guide, a slider, and a clamping claw cylinder. The third drive motor and the linear guide are both fixed on the base 37, and the slider is slidably matched on the linear guide. The third drive motor is connected to the slider through a screw rod, and the clamping claw cylinder is fixed on the slider. The clamping claw cylinder cooperates with the magnetic ring clamping block 31 to fix the magnetic ring. When the magnetic ring is placed on the magnetic ring clamping block 31, the third drive motor drives the slider to approach the magnetic ring clamping block 31, and the movable end of the clamping claw cylinder closes to clamp the magnetic ring. This prevents the magnetic ring from shaking during the stranding process and affects the quality of the stranded wire.

[0035] In this embodiment, the transport module 2 includes a linear moving component 21, a lifting component 22 and an air gripper 23. The linear moving component 21 drives the lifting component 22 to perform reciprocating linear motion between the T1 winding wire module 1 and the twisted wire module 3. The air gripper 23 is fixed at the movable end of the lifting component 22. The lifting component 22 drives the air gripper 23 to perform linear motion in the vertical direction. The air gripper 23 cooperates with the T1 winding wire module 1 and the magnetic ring clamping block 31 respectively.

[0036] In this embodiment, the four-wire twisted T1 device also includes a subordinate magnetic winding molding group 4, and the subordinate magnetic winding molding group 4 includes a first transportation mechanism 41, a branching mechanism 42, a second transportation mechanism 43 and a second winding mechanism 44 connected in sequence. The first transportation mechanism 41 clamps the magnetic ring with the wire end and moves it to the branching mechanism 42. The branching mechanism 42 includes a base, a limit clamp, a movable brush head and a movable chuck. The base and the limit clamp are both fixed on the machine base. A linear slide rail is provided on the base. The movable brush head and the movable chuck are both slidably matched in the base. On the linear slide rail, the movable brush head and the movable chuck are respectively located on both sides of the limit clamp, and a driving motor and a driving cylinder are also provided on the base, and the driving motor and the driving cylinder respectively drive the movable brush head and the movable chuck to perform linear motion along the linear slide rail, the movable chuck clamps the wire end that needs to be wound around the new magnetic ring, and the movable brush head combs the remaining wire ends to the other side, and the second transport mechanism 43 clamps the two separated wire ends and transports them to the second winding mechanism 44, and the second winding mechanism 44 winds the wire end extending from the original magnetic ring around the new magnetic ring.

[0037] The working method comprises the following steps:

[0038] A. First, four enameled wires are transported to the enameled wire pre-breaking mechanism 11 under the traction of the wire feeding assembly. The enameled wire pre-breaking mechanism 11 pre-breaks the enameled wires, and the wire feeding assembly feeds the pre-broken enameled wires into the stranding mechanism 12. The stranding mechanism 12 twists the enameled wires required to be wound into the T1 magnetic ring. The wire feeding assembly feeds the enameled wires with the stranded wires into the wire storage disk of the first winding mechanism 13 to complete the wire storage action. Driven by the winding transmission assembly of the first winding mechanism 13, the The front and rear inclined wheels of the first winding mechanism 13 drive the enameled wire to rotate in the wire storage disk and wind it onto the T1 magnetic ring. While winding the wire, the wire arrangement assembly of the first winding mechanism 13 rotates the magnetic ring to achieve uniform wire arrangement. After winding to the set number of turns, the wire outlet door opens, the wire end comes out of the wire outlet door, and the material taking manipulator rises to take away the wound product and send it to the magnet of the tail wire cutting mechanism 14; the tail wire cutting mechanism 14 pulls off the excess tail wire, and the wire dividing mechanism 42 takes out the product with the excess tail wire cut off;

[0039] B. Then the transport mechanism transports the wound T1 magnetic ring to the stranded wire module 3, and places the magnetic ring on the magnetic ring clamping block 31 for fixing;

[0040] C. The rotating chuck assembly is driven by the chuck moving assembly to approach the magnetic ring clamping block 31, and the two clamping blocks clamp the wire ends of the magnetic ring under the elastic force of the reset spring, and the first driving motor 36 drives the clamping jaw seat 32 to rotate so that multiple wire ends are twisted into one strand, and the CCD camera 39 takes pictures to detect the twisted wire situation;

[0041] D. After completing the single-section twisted wire, the chuck moving assembly drives the rotating chuck assembly to move away from the magnetic ring clamping block 31, and the moving distance is set according to the preset length of the wire end. When the rotating chuck assembly moves a certain distance, the wire end with a smaller length is separated from the limit of the rotating chuck assembly, and the first driving motor 36 is started to twist the wire end with a larger length, thereby completing the segmented twisted wire;

[0042] E. The first transport mechanism 41 clamps the two wire ends of the magnetic ring of the completed twisted wire and moves them to the wire dividing mechanism 42. The wire dividing mechanism 42 clamps the wire ends that need to be wound and combs the remaining enameled wires to the other side of the magnetic ring. The second transport mechanism 43 clamps the two combed wire ends and transports them to the second winding mechanism 44. The second winding mechanism 44 winds the wire ends extending from the original magnetic ring onto the new magnetic ring.

Claims

1. Four-wire T1 equipment, characterized by: The invention comprises a T1 winding wire module (1), a transport module (2) and a twisting wire module (3) which are connected in sequence. The T1 winding wire module (1) winds a plurality of enameled wires on a T1 ring and cuts the head and tail wires of the enameled wires. The transport module (2) transports the T1 ring wound by the T1 winding wire module (1) to the twisting wire module (3). The twisting wire module (3) comprises a magnetic ring clamping block (31), a rotating chuck assembly and a chuck moving assembly. The chuck moving assembly drives the rotating chuck assembly to move away from or approach the magnetic ring clamping block (31). The rotating chuck assembly clamps the wire end of the magnetic ring and drives the wire end to rotate so that the enameled wire is twisted into a strand. The T1 winding wire module (1) comprises an enameled wire pre-breaking mechanism ( 11), a wire twisting mechanism (12), a first winding mechanism (13) and a tail wire breaking mechanism (14), wherein the enameled wire pre-breaking mechanism (11) is used to pre-break a portion of the enameled wire in the diameter direction, and the pre-breaking position of each enameled wire is different, the wire twisting mechanism (12) is used to twist a portion of the enameled wire, the first winding mechanism (13) is used to wind a section of the twisted wire twisted by the wire twisting mechanism (12) onto a T1 ring, and the tail wire breaking mechanism (14) is used to break the enameled wire at the pre-breaking position of the enameled wire, so that the head and tail lengths of the T1 ring wound with the enameled wire are different; the rotating chuck assembly comprises a clamping claw seat (32), a push rod (33), a mounting seat (34), a first cylinder (35) and a first drive motor (3 6), the clamping jaw seat (32) is rotatably engaged with the mounting seat (34), the first drive motor (36) and the first cylinder (35) are both fixed on the mounting seat (34), the first drive motor (36) is transmission-connected with the clamping jaw seat (32) and drives the clamping jaw seat (32) to rotate, a pair of mutually engaged clamping blocks are hingedly arranged in the clamping jaw seat (32), a reset spring is arranged between the two clamping blocks, the reset spring brings the clamping ends of the two clamping blocks closer together, the push rod (33) is fixedly connected with the movable end of the first cylinder (35), the push rod (33) passes through the rotating shaft of the clamping jaw seat (32) and engages with the ends of the two clamping blocks, and the push rod (33) is provided with a spring that engages with the two clamping blocks. The clamping block cooperates with the guide block, and when the first cylinder (35) is extended, the ends of the two clamping blocks are close to each other under the guidance of the guide block; the clamping head moving assembly comprises a base (37), a linear slide rail (38), a second drive motor, a belt and a pair of synchronous wheels, the pair of synchronous wheels are both rotatably matched on the base (37), the second drive motor is fixed on the base (37), one of the synchronous wheels is drivingly connected to the output shaft of the second drive motor, the mounting seat (34) is slidably matched on the linear slide rail (38), the belt is wound on the two synchronous wheels, the second drive motor drives the belt to operate through the synchronous wheels, and the mounting seat (34) is fixedly connected to the belt;The stranded wire module (3) further comprises a CCD camera (39), and the CCD camera (39) cooperates with the magnetic ring clamping block (31). ; 2. The four-wire T1 device according to claim 1, characterized in that: The transport module (2) comprises a linear motion component (21), a lifting component (22) and an air gripper (23); the linear motion component (21) drives the lifting component (22) to perform reciprocating linear motion between the T1 winding wire module (1) and the stranding wire module (3); the air gripper (23) is fixed to the movable end of the lifting component (22); the lifting component (22) drives the air gripper (23) to perform linear motion in a vertical direction; the air gripper (23) cooperates with the T1 winding wire module (1) and the magnetic ring clamping block (31) respectively.

3. The four-wire T1 device according to claim 1, characterized in that: The four-wire twisted T1 device also includes a subordinate magnetic winding mold group (4), and the subordinate magnetic winding mold group (4) includes a first transportation mechanism (41), a wire dividing mechanism (42), a second transportation mechanism (43) and a second winding mechanism (44) connected in sequence. The first transportation mechanism (41) clamps and moves the magnetic ring with a wire end to the wire dividing mechanism (42), and the wire dividing mechanism (42) separates the wire to be wound around the magnetic ring. The second transportation mechanism (43) clamps and transports the wire to the second winding mechanism (44), and the second winding mechanism (44) winds the wire extending from the original magnetic ring onto the new magnetic ring.

4. The working method of the four-twisted T1 device according to claim 1, characterized in that: It includes the following steps: A. First, four enameled wires are transported to the enameled wire pre-breaking mechanism (11) under the traction of the wire feeding assembly. The enameled wire pre-breaking mechanism (11) pre-breaks the enameled wires. The wire feeding assembly feeds the pre-broken enameled wires into the wire twisting mechanism (12). The wire twisting mechanism (12) twists the enameled wires required to be wound into the T1 magnetic ring. The wire feeding assembly feeds the twisted enameled wires into the wire storage drum of the first winding mechanism (13), completing the wire storage action. Driven by the winding transmission assembly of the first winding mechanism (13), The front and rear inclined wheels of the first winding mechanism (13) drive the enameled wire to rotate in the wire storage disk and wind it onto the T1 magnetic ring. While winding the wire, the wire arrangement assembly of the first winding mechanism (13) rotates the magnetic ring to achieve uniform wire arrangement. After winding to a set number of turns, the wire outlet door opens, the wire end comes out of the wire outlet door, and the material taking robot rises to take away the wound product and send it to the magnet of the tail wire cutting mechanism (14); the tail wire cutting mechanism (14) pulls off the excess tail wire, and the transport module (2) takes out the product with the excess tail wire cut off; B. Then the transport module (2) transports the wound T1 magnetic ring to the stranding module (3), and places the magnetic ring on the magnetic ring clamping block (31) for fixation; C. The rotating chuck assembly is driven by the chuck moving assembly to approach the magnetic ring clamping block (31), and the two clamping blocks clamp the wire ends of the magnetic ring under the elastic force of the reset spring, and the first driving motor (36) drives the clamping jaw seat (32) to rotate so that the multiple wire ends are twisted into one strand; D. After completing the twisting of a single section of the twisted wire, the chuck moving assembly drives the rotating chuck assembly to move in a direction away from the magnetic ring clamping block (31), and the moving distance is set according to the preset length of the wire end. When the rotating chuck assembly moves a certain distance, the wire end with a smaller length breaks away from the limit of the rotating chuck assembly. At this time, the first drive motor (36) starts to twist the wire end with a larger length, thereby completing the segmented twisting of the wire.

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