Copper wire twisting equipment with copper wire winding and unwinding functions

Abstract

The invention relates to the technical field of wire stranding, and provides copper wire stranding equipment with a copper wire winding and unwinding function, which comprises a fixing assembly, a wire unwinding assembly, a guide assembly, a wire separating assembly, a wire collecting assembly and a stranding assembly. According to the copper wire pay-off device, the newly-designed wire concentration assembly is installed, and through a dynamic adjusting mechanism of the wire concentration assembly, when a certain copper wire is paid off too fast, a second rotating wheel moves outwards under the action of a second spring to increase the walking path, meanwhile, the second spring is compressed, a shifting rod is in linkage with a rotating sleeve to generate reverse torque, and the pay-off resistance is automatically increased; when the pay-off speed is too slow, the third spring pushes the deflector rod to enable the rotating wheel to retract inwards so as to shorten the path, the mechanism can automatically compensate the pay-off speed difference of different copper wire coils, it is ensured that tension of multiple copper wires is consistent before the copper wires enter a twisting assembly, and the technical problem of twisting defects caused by uneven pay-off speed in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wire stranding, in particular to a copper wire stranding device with copper wire winding and unwinding functions. BACKGROUND

[0002] The copper wire stranding device is a core device in the fields of wire and cable, electronic components, and special conductor manufacturing. Its function is to strand multiple single copper wires into a single multi-strand conductor according to a preset pitch to improve the mechanical strength and electrical performance of the conductor. The existing copper wire stranding device with winding and unwinding functions mainly consists of an unwinding unit, a tension control unit, a stranding unit, a winding unit, and an electrical control system. The unwinding unit is a key link that affects the stranding accuracy. In actual production, the unwinding speeds of multiple copper wire coils of the existing device are generally out of sync, which cannot accurately match the traction speed of the stranding unit. The unwinding speeds of multiple copper wire coils of the existing device are not the same. For example, copper wires that are unwound too fast are prone to relaxation and looping, which will form loose strands and stranding pitch deviations during subsequent stranding. Copper wires that are unwound too slowly will stretch and deform due to excessive tension, and the cross-section of the stranded copper wires will be reduced, which will reduce the mechanical strength of the conductor and increase the risk of electrical transmission loss and abnormal heating. SUMMARY

[0003] To overcome the above-mentioned defects, the embodiments of the present application provide a copper wire stranding device with copper wire winding and unwinding functions, which solves the technical problem of stranding defects caused by uneven unwinding speed in the prior art.

[0004] According to one aspect, at least one embodiment of the present application provides a copper wire stranding device with copper wire winding and unwinding functions, which includes a fixed assembly, the top of the fixed assembly is fixedly installed with two unwinding assemblies, and further includes a linkage guiding and stranding mechanism, which includes a guiding assembly, the guiding assembly is movably installed on the left side of the fixed assembly, the right side of the guiding assembly is provided with a wire splitting assembly, the left side of the wire splitting assembly is fixedly installed with three sets of wire collecting assemblies, and the left side of the wire splitting assembly is fixedly installed with a stranding assembly. The wire collecting assembly includes two symmetrical second tracks, two second springs are fixedly connected in the two second tracks, a first rotating wheel is fixedly installed on the top of the two second tracks, a second rotating wheel is movably installed between the two second springs, a long strip is movably hinged to the outer side of the two second rotating wheels, a push rod is inserted into the inner side of the two long strips, a rotating sleeve is fixedly sleeved on the outer edge of the two push rods, and a third spring is elastically connected between the two push rods.

[0005] Preferably, the two second rotating wheels are movably clamped in the two second tracks, and one end of the two rotating sleeves is fixedly connected with the outer wall of the two second tracks.

[0006] Preferably, the fixing assembly comprises a fixing plate, the left side of the fixing plate is fixedly connected with two first rails, two groups of guide rods are arranged in the two first rails, and three groups of second rails are vertically installed on the top of the fixing plate.

[0007] Preferably, the wire paying-out assembly comprises a trapezoidal block, the trapezoidal block is fixedly installed on the top of the fixing plate, a rotating shaft is installed through the middle position of the trapezoidal block, a rotating motor is arranged at the connecting position of the rotating shaft and the trapezoidal block, and winding cores are sleeved on the two side outer edges of the rotating shaft.

[0008] Preferably, the guide assembly comprises a rectangular block, moving blocks are installed at the front end and the rear end of the rectangular block, two groups of round holes are formed in the interior of the rectangular block, the two moving blocks are movably installed in the two first rails, electric wheels are installed in the two moving blocks, and the two groups of round holes are sleeved on the outer edges of the guide rods.

[0009] Preferably, a vertical plate is fixedly installed on the top of the rectangular block, a ring-shaped motor is arranged in the interior of the vertical plate, a punching plate is fixedly connected to the inner side of the ring-shaped motor, and a bundling plate is fixedly connected to the left middle portion of the punching plate.

[0010] Preferably, the wire paying-out assembly comprises a trapezoidal block, the trapezoidal block is fixedly installed on the top of the fixing plate, a rotating shaft is installed through the middle position of the trapezoidal block, a rotating motor is arranged at the connecting position of the rotating shaft and the trapezoidal block, and winding cores are sleeved on the two side outer edges of the rotating shaft.

[0011] Preferably, an elliptical groove is formed in the middle portion of each of the six groups of clamping pieces, a first spring is elastically connected in the elliptical groove, and a rotating roller is fixedly installed in the middle position of the first spring.

[0012] Preferably, the twisting assembly comprises a base, the base is fixedly installed on the left side of the first rail, a supporting cylinder is fixedly installed on the top of the base, a twisting block is fixedly installed on the right side of the supporting cylinder, two electric wheels are fixedly installed on the left side of the supporting cylinder, and guide blocks are fixedly installed on the outer sides of the two electric wheels and the twisting block.

[0013] Preferably, the twisting block is a circular block with a groove formed in the outer edge, a rotating motor is installed in the twisting block, the copper wire arriving here can be continuously twisted and rotated, and the two electric wheels are installed in a vertical symmetrical manner on the left side of the supporting cylinder, so that the twisted copper wire can be pulled outwards.

[0014] The application has the following beneficial effects: 1.The application is equipped with a newly designed collecting assembly, through the dynamic adjustment mechanism of the collecting assembly, when a copper wire is unwound too fast, the second rotating wheel moves outward under the action of the second spring to increase the walking path, at the same time, the second spring is compressed and reverse torque is generated through the linkage of the rotating sleeve and the lever to automatically increase the unwinding resistance; when the unwinding is too slow, the third spring pushes the lever to make the rotating wheel retract to shorten the path. This mechanism can automatically compensate for the difference in unwinding speed of different copper wire coils, ensure that the tension of multiple copper wires entering the stranding assembly is consistent, and effectively avoid stranding defects caused by uneven unwinding speed.

[0015] 2.The application is equipped with an optimized unwinding assembly and a separating assembly, the unwinding assembly adopts a rotating motor to drive the rotating shaft to drive the two sides of the core to rotate synchronously to realize synchronous unwinding of the double cores, avoiding the vibration deviation easily caused by the traditional cantilever structure, on the other hand, the guide assembly can realize linear movement through the first track and the guide rod, which can flexibly adjust the spatial position and tension of the copper wire before entering the stranding process, in addition, the elastic rotating roller structure of the separating assembly can adaptively adjust the tension of the copper wire, when the tension increases, the rotating roller compresses the spring, when the tension decreases, the spring pushes the rotating roller to reset, avoiding the problem of overstretching or slack accumulation of the copper wire.

[0016] 3.The application is equipped with a cooperating wire outlet assembly and a stranding assembly, the copper wire first passes through the guide hole of the punching plate of the guide assembly to constrain the spatial distribution of the copper wire, avoiding mutual entanglement, and the tapered structure of the bunching plate further ensures that each copper wire enters the stranding process with the same tension, and then the copper wire stranding is completed by the rotating motor of the stranding block, the groove opened in the stranding block can prevent the copper wire from being separated during high-speed rotation, and the longitudinally symmetrical electric wheel synchronously pulls the stranding copper wire, ensuring that it is evenly stressed, and multiple links cooperate to improve the stranding stability and product quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced. Obviously, the drawings in the following description are only some example embodiments of the present application. Those skilled in the art can obtain other drawings according to the content of the example embodiments of the present application and these drawings without creating any creative labor.

[0018] Figure 1 is a schematic diagram of the overall structure of the present application; Figure 2 is a schematic diagram of the overall structure of the present application; Figure 1 is an enlarged schematic diagram of the structure at A in the present application; Figure 3 is a top view of the overall structure of the present application; Figure 4 is an enlarged schematic diagram of the structure at B in the present application; Figure 3 ​Figure 5 Structure diagram of the twisting assembly of the application; Figure 6 Structure diagram of the guiding assembly of the application; Figure 7 Structure diagram of the guiding assembly of the application; Figure 6 Enlarged structure diagram of the part C in the application; Figure 8 Structure diagram of the collecting assembly of the application.

[0019] 1, fixing assembly; 2, pay-off assembly; 3, guiding assembly; 4, branching assembly; 5, collecting assembly; 6, twisting assembly; 11, fixing plate; 12, first track; 13, guiding rod; 21, trapezoidal block; 22, rotating shaft; 23, winding core; 31, rectangular block; 32, moving block; 33, round hole; 34, vertical plate; 35, ring motor; 36, perforated plate; 37, collecting plate; 41, round shaft; 42, clamping piece; 43, elliptical groove; 44, first spring; 45, rotating roller; 51, second track; 52, second spring; 53, first rotating wheel; 54, second rotating wheel; 55, long strip; 56, lever; 57, rotating sleeve; 58, third spring; 61, base; 62, supporting cylinder; 63, twisted wire block; 64, electric wheel; 65, guiding block. DETAILED DESCRIPTION

[0020] The application will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the application, but not to limit the application.

[0021] In order to make the drawing simple, only the parts related to the application are shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the parts with the same structure or function is shown, or only one of them is marked. In this text, “one” not only means “only one”, but also means “more than one”, and “several” includes “two” and “more than two”.

[0022] In this text, it is necessary to point out that, unless otherwise specified and limited, the terms “mounting”, “connection” and “connection” should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0023] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the first feature is lower in horizontal height than the second feature.

[0024] In the description of the present embodiment, the terms "upper", "lower", "left", "right" and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In addition, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0026] As Figure 1 - Figure 8 The copper wire twisting device with copper wire winding and unwinding function of the present embodiment comprises a fixed assembly 1, two wire paying-off assemblies 2 are fixedly installed on the top of the fixed assembly 1, and a linkage guiding and twisting mechanism is further included, which comprises a guiding assembly 3 movably installed on the left side of the fixed assembly 1, a wire separating assembly 4 arranged on the right side of the guiding assembly 3, three wire collecting assemblies 5 fixedly installed on the left side of the wire separating assembly 4, and a twisting assembly 6 fixedly installed on the left side of the wire separating assembly 4. The wire collecting assembly 5 comprises two symmetrical second rails 51, two second springs 52 are fixedly connected in the two second rails 51, a first rotating wheel 53 is fixedly installed on the top of each of the two second rails 51, a second rotating wheel 54 is movably installed between the two second springs 52, a long strip 55 is movably hinged to the outer side of each of the two second rotating wheels 54, a push rod 56 is inserted into the inner side of each of the two long strips 55, a rotating sleeve 57 is fixedly sleeved on the outer edge of each of the two push rods 56, and a third spring 58 is elastically connected between the two push rods 56; each of the two second rotating wheels 54 is movably clamped in the two second rails 51, and one end of each of the two rotating sleeves 57 is fixedly connected with the outer wall of the two second rails 51. When a certain copper wire is unwound too fast, the corresponding second rotating wheel 54 will move outward under the action of the second spring 52, increasing the length of the copper wire's path, and the corresponding second rotating wheel 54 will compress the second spring 52, causing the rotating sleeve 57 to generate a reverse torque through the linkage of the lever 56, thereby automatically adjusting the unwinding resistance of the copper wire and keeping the tension of each copper wire balanced. Conversely, when the copper wire is unwound too slowly, the third spring 58 will push the lever 56 to make the rotating wheel retract inward, shortening the path of the copper wire, thereby automatically compensating for the difference in unwinding speed of different copper wire coils. This dynamic adjustment mechanism allows multiple copper wires to maintain consistent tension before entering the twisting assembly 6, effectively preventing twisting defects caused by uneven unwinding speed.

[0027] The fixed assembly 1 includes a fixed plate 11, two first tracks 12 are fixedly connected to the left side of the fixed plate 11, two groups of guide rods 13 are arranged in the two first tracks 12, and three groups of second tracks 51 are vertically installed on the top of the fixed plate 11. The first track 12 and the guide rod 13 are used to guide the linear movement of the guide assembly 3, thereby changing the position of the guide assembly 3. After cooperating with the unwinding assembly 2 output, the copper wire can maintain flexible spatial position and tension adjustment before entering the twisting process.

[0028] The unwinding assembly 2 includes a trapezoidal block 21, which is fixedly installed on the top of the fixed plate 11. A rotating shaft 22 is installed through the middle position of the trapezoidal block 21. A rotating motor is arranged at the connecting position of the rotating shaft 22 and the trapezoidal block 21. Two winding cores 23 are sleeved on the outer edges of the two sides of the rotating shaft 22. The rotating motor drives the rotating shaft 22 to synchronously rotate the two winding cores 23, realizing the function of synchronous unwinding of the double winding cores 23 and avoiding the vibration deviation caused by the traditional cantilever structure.

[0029] The guide assembly 3 includes a rectangular block 31, a moving block 32 is installed at the front and rear ends of the rectangular block 31, two groups of circular holes 33 are arranged through the inside of the rectangular block 31, two moving blocks 32 are movably installed in the two first tracks 12, an electric wheel is installed in each of the two moving blocks 32, and the two groups of circular holes 33 are sleeved on the outer edges of the guide rods 13. A vertical plate 34 is fixedly installed on the top of the rectangular block 31. An annular motor 35 is arranged in the vertical plate 34. A punching plate 36 is fixedly connected to the inner side of the annular motor 35. A bunching plate 37 is fixedly connected to the left middle part of the punching plate 36. The guide holes of the punching plate 36 constrain the spatial distribution of the copper wires to avoid mutual entanglement. The tapered structure from the punching plate 36 to the bunching plate 37 effectively eliminates the spacing difference between the copper wires, ensuring that each copper wire enters the twisting process with the same tension.

[0030] The line splitting assembly 4 comprises a circular shaft 41 fixedly installed on the right side of the punching plate 36, and six groups of clamping pieces 42 are fixedly installed on the outer edge of the circular shaft 41 in a ring-shaped equidistant array; an oval groove 43 is formed in the middle of each of the six groups of clamping pieces 42, and a first spring 44 is elastically connected in the oval groove 43, and a rotating roller 45 is fixedly installed at the middle position of the first spring 44; Through the structure of the elastically connected rotating roller 45, the tension of the copper wire can be adaptively adjusted during the line splitting process. When the tension of the copper wire increases, the rotating roller 45 is pushed to compress the spring, and when the tension decreases, the spring pushes the rotating roller 45 to reset, thereby maintaining the stability of the tension of the copper wire, so as to avoid the phenomenon of overstretching or relaxation accumulation of the copper wire.

[0031] The twisting assembly 6 comprises a base 61 fixedly installed on the left side of the first track 12, a support cylinder 62 fixedly installed on the top of the base 61, a twisting block 63 fixedly installed on the right side of the support cylinder 62, two electric wheels 64 fixedly installed on the left side of the support cylinder 62, and guide blocks 65 fixedly installed on the outer sides of the twisting block 63 and the electric wheels 64; the twisting block 63 is in the shape of a circular block with a groove formed on the outer edge, and a rotating motor is installed in the twisting block 63 to continuously rotate and twist the copper wire arriving here, and the two electric wheels 64 are installed in a longitudinal symmetry on the left side of the support cylinder 62 to pull the twisted copper wire outward; The twisting assembly 6 integrates the functions of rotating twisting and synchronous pulling, and the rotating twisting action of the twisting block 63 and the linear pulling action of the electric wheels 64 form a synergistic effect, wherein the groove structure of the twisting block 63 can prevent the copper wire from being separated during high-speed rotation, and the symmetrical arrangement of the electric wheels 64 ensures that the twisted copper wire is uniformly stressed.

[0032] Working principle: When the present application is used, first, the copper wire coil to be twisted is installed in the line releasing assembly 2, and the multiple copper wires are sequentially threaded through the first rotating roller 53, the second rotating roller 54, the rotating roller 45, the punching plate 36 and the bunching plate 37 to reach the twisting block 63 for twisting and the electric wheel 64 for wire outlet, and the rotating motor drives the rotating shaft 22 to synchronously rotate the two coil cores 23, thereby realizing the function of synchronous line releasing of the double coil cores 23. In the unwinding process of the collecting assembly 5, when a certain copper wire is unwound too fast, the corresponding second rotating wheel 54 will move outward under the action of the second spring 52, increasing the path length of the copper wire, and the corresponding second rotating wheel 54 will compress the second spring 52, and through the linkage of the lever 56, the rotating sleeve 57 will generate a reverse torque, thereby automatically adjusting the unwinding resistance of the copper wire, keeping the tension of each copper wire balanced. Conversely, when the copper wire is unwound too slowly, the third spring 58 will push the lever 56 to make the rotating wheel shrink inward, shortening the path of the copper wire, thereby automatically compensating for the difference in unwinding speed of different copper wire coils. This dynamic adjustment mechanism allows multiple copper wires to maintain consistent tension before entering the stranding assembly 6, thereby effectively avoiding stranding defects caused by uneven unwinding speed. The guide holes of the punching plate 36 constrain the spatial distribution of the copper wires to avoid mutual entanglement. The tapered structure from the punching plate 36 to the bunching plate 37 effectively eliminates the spacing difference between the copper wires, ensuring that each copper wire enters the stranding process with the same tension. The first track 12 and the guide rod 13 are used to guide the linear movement of the assembly 3, thereby achieving the change of the position of the assembly 3. After matching with the output of the unwinding assembly 2, the copper wires can maintain flexible spatial position and tension adjustment before entering the stranding process. The stranding assembly 6 integrates rotating stranding and synchronous traction functions. The rotating stranding action of the stranding block 63 cooperates with the linear traction action of the motorized wheel 64. The groove structure of the stranding block 63 prevents the copper wires from disengaging during high-speed rotation, and the symmetrical arrangement of the motorized wheel 64 ensures that the stranded copper wires are evenly stressed, thereby completing stable stranding and wire output functions.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A copper wire twisting device with the function of retracting and releasing copper wires, comprising a fixing component (1), characterized in that: The top of the fixing assembly (1) is fixedly mounted with two pay-off assemblies (2), and further comprises: A linked guide twisting mechanism, comprising a guide assembly (3), the guide assembly (3) being movably mounted on the left side of the fixed assembly (1), a line branching assembly (4) being provided on the right side of the guide assembly (3), three sets of line collection assemblies (5) being fixedly mounted on the left side of the line branching assembly (4), and a twisting assembly (6) being fixedly mounted on the left side of the line branching assembly (4); The line collection assembly (5) includes two symmetrical second rails (51), two second springs (52) are fixedly connected in the two second rails (51), a first rotating wheel (53) is fixedly installed on the top of the two second rails (51), a second rotating wheel (54) is movably installed between the two second springs (52), the outer sides of the two second rotating wheels (54) are movably hinged with a long strip (55), the inner sides of the two long strips (55) are plugged with a shifting rod (56), the outer edges of the two shifting rods (56) are fixedly sleeved with a rotating sleeve (57), and a third spring (58) is elastically connected between the two shifting rods (56).

2. The copper wire stranding device with the function of retracting and releasing copper wires according to claim 1, characterized in that: The two second rotating wheels (54) are both movably engaged in the two second rails (51), and one end of the two rotating sleeves (57) is fixedly connected to the outer walls of the two second rails (51).

3. The copper wire twisting device with the function of retracting and releasing copper wires according to claim 2, characterized in that: The fixing assembly (1) comprises a fixing plate (11), two first rails (12) are fixedly connected to the left side of the fixing plate (11), two groups of guide rods (13) are arranged in the two first rails (12), and three groups of second rails (51) are vertically installed on the top of the fixing plate (11).

4. The copper wire twisting device with the function of retracting and releasing copper wires according to claim 3, characterized in that: The pay-off assembly (2) comprises a trapezoidal block (21), the trapezoidal block (21) being fixedly mounted on the top of the fixed plate (11), a rotating shaft (22) being installed through the middle of the trapezoidal block (21), a rotating motor being provided at the connection position between the rotating shaft (22) and the trapezoidal block (21), and a winding core (23) being sleeved on both outer edges of the rotating shaft (22).

5. The copper wire stranding device with the function of retracting and releasing copper wires according to claim 3, characterized in that: The guide assembly (3) comprises a rectangular block (31), wherein movable blocks (32) are installed at both the front and rear ends of the rectangular block (31), and two groups of circular holes (33) are provided through the interior of the rectangular block (31), wherein the two movable blocks (32) are movably installed in the two first rails (12), and electric wheels are installed in the two movable blocks (32), and the two groups of circular holes (33) are sleeved on the outer edge of the guide rod (13).

6. The copper wire stranding device with the function of retracting and releasing copper wires according to claim 5, characterized in that: A vertical plate (34) is fixedly mounted on the top of the rectangular block (31), a ring-shaped motor (35) is provided inside the vertical plate (34), a punching plate (36) is fixedly connected to the inner side of the ring-shaped motor (35), and a clustering plate (37) is fixedly connected to the middle of the left side of the punching plate (36).

7. The copper wire stranding device with the function of retracting and releasing copper wires according to claim 6, characterized in that: The line splitting assembly (4) comprises a circular shaft (41), the circular shaft (41) being fixedly mounted on the right side of the punching plate (36), and six groups of clips (42) being fixedly mounted on the outer edge of the circular shaft (41), the six groups of clips (42) being arranged in a circular equidistant array on the outer edge of the circular shaft (41).

8. The copper wire twisting device with the function of retracting and releasing copper wires according to claim 7, characterized in that: An elliptical groove (43) is provided in the middle of each of the six groups of clips (42), a first spring (44) is elastically connected in the elliptical groove (43), and a roller (45) is fixedly installed in the middle of the first spring (44).

9. The copper wire twisting device with the function of retracting and releasing copper wires according to claim 3, characterized in that: The twisting assembly (6) comprises a base (61), the base (61) being fixedly mounted on the left side of the first track (12), a support cylinder (62) being fixedly mounted on the top of the base (61), a twisting block (63) being fixedly mounted on the right side of the support cylinder (62), two electric wheels (64) being fixedly mounted on the left side of the support cylinder (62), and guide blocks (65) being fixedly mounted on the outer sides of the two electric wheels (64) and the twisting block (63).

10. The copper wire stranding device with the function of retracting and releasing copper wires according to claim 9, characterized in that: The twisting block (63) is shaped like a round block with a groove on the outer edge. A rotating motor is installed in the twisting block (63) to continuously rotate and twist the copper wires arriving there. The two electric wheels (64) are installed longitudinally symmetrically on the left side of the support cylinder (62) to pull the twisted copper wires outward.

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