An ultra-fine wire twisting device

Abstract

The application relates to an ultra-fine wire twisting device which comprises a machine box, a twisting mechanism arranged in the machine box, two oppositely arranged bearing seats, a center line assembly and a plurality of line distribution assemblies arranged in sequence along the axial direction between the two bearing seats, the center line assembly and the line distribution assembly being the same in structure and being used for wire line unwinding, a lead assembly arranged on the bearing seat, wire lines of the line distribution assembly and the center line assembly being led out through the lead assembly, a plurality of lines being distributed in the circumferential direction on the outer periphery side of the center line, and a driving mechanism arranged in the machine box and used for driving the rotation of the shaft head of the bearing seat. The application realizes the twisting processing of ultra-fine wires.

Description

Technical Field

[0001] This application relates to the field of twisting equipment technology, and in particular to an ultrafine metal wire twisting equipment. Background Technology

[0002] A wire twisting machine is a mechanical device that combines multiple single filaments or strands into a single strand with a certain strength and twist direction by rotating and twisting. In the field of metal processing, wire twisting machines are mainly used for the production of steel wire ropes. Most existing wire twisting machines are mainly used for twisting multiple thicker metal ropes or wires. By rotating and twisting multiple large-diameter metal wires according to a preset twist direction and twist pitch, steel wire ropes that meet industrial requirements are finally formed.

[0003] However, with the rapid development of industries such as precision manufacturing, electronic components, and medical devices, the market demand for ultra-fine metal wire strands is increasing. These ultra-fine metal wires are usually smaller in diameter, and the requirements for tension control, twist accuracy, and wire protection during the twisting process are much higher than for thicker diameter metal wires. At present, most twisting equipment on the market is designed for twisting thicker metal ropes, and there are few twisting equipment specifically adapted to ultra-fine metal wires. This cannot meet the production needs of related industries for ultra-fine metal wire strands, and there is an urgent need for a special equipment that can realize the twisting of ultra-fine metal wires. Utility Model Content

[0004] In order to achieve the twisting process of ultrafine metal wires, this application provides an ultrafine metal wire twisting device.

[0005] The ultra-fine metal wire twisting device provided in this application adopts the following technical solution: A fine metal wire twisting device includes a chassis, inside which a twisting mechanism is installed. The twisting mechanism includes two opposing bearing seats. Between the two bearing seats, a center wire assembly and multiple branch wire assemblies are sequentially arranged along the axial direction. The center wire assembly and the branch wire assemblies have the same structure and are both used for feeding the metal wire. A lead wire assembly is installed on the bearing seat. After the metal wires of the branch wire assembly and the center wire assembly are led out through the lead wire assembly, the multiple branch wires are distributed circumferentially on the outer periphery of the center wire. A drive mechanism is installed inside the chassis to drive the shaft head of the bearing seat to rotate.

[0006] By adopting the above technical solution, during the twisting process, the metal wire released by the wire separating assembly serves as the wire separating, and the metal wire released by the center wire assembly serves as the center wire. Under the traction of the lead wire assembly, the wire separating can be distributed circumferentially on the outer periphery of the center wire. Then, the drive mechanism drives the bearing housing shaft to rotate, which drives the connected center wire assembly, wire separating assembly and lead wire assembly to rotate synchronously, so that the wire separating on the outer periphery rotates and twists stably around the center wire, thus realizing the twisting process of ultrafine metal wire.

[0007] Optionally, the branching assembly includes a rocker arm disposed on the bearing seat, a plurality of rocker arms being connected by spacers, two of the rocker arms at the ends being connected to the bearing seat shaft head, a spindle being rotatably connected to the rocker arm, and an I-beam wheel wound with metal wire being detachably connected to the spindle.

[0008] By adopting the above technical solution, under the traction of the wire pulling equipment, the metal wire drives the I-beam to rotate during the movement, ensuring the smooth release of the metal wire. At the same time, the drive mechanism drives the shaft head in the bearing seat to rotate, and the shaft head drives the wobbling plate connected to it to rotate. With the connection of multiple spacers, all the wobbling plates rotate synchronously, thereby driving the mandrel and the I-beam to rotate together around the shaft head, realizing the rotational twisting of the metal wire.

[0009] Optionally, one end of the rocker arm is fixedly provided with a mounting post, and the other end is provided with an adjusting frame. A tensioning arm is rotatably connected to the mounting post. The adjusting frame has a waist-shaped groove, and an adjusting pin is slidably connected inside the waist-shaped groove. The adjusting pin and the tensioning arm are connected by a spring. The adjusting frame is provided with a locking threaded post along the length of the waist-shaped groove. The adjusting pin slides through the outer surface of the locking threaded post. Locking nuts are threaded to both opposite sides of the locking threaded post, and the two locking nuts abut against the outer surface of the adjusting pin.

[0010] By adopting the above technical solution, when the wire feeding speed fluctuates, the spring can use its own elastic deformation to drive the tension arm to swing adaptively, thereby automatically adjusting the tension of the wire and preventing the wire from breaking due to excessive tension or becoming loose and tangled due to insufficient tension. In addition, the worker can change the position of the adjusting pin on the locking thread by rotating the locking nut, thereby changing the degree of spring tension and adjusting the tension value according to the requirements of ultra-fine wires of different materials, thus ensuring the stability of the wire feeding process.

[0011] Optionally, a friction wheel is coaxially fixedly connected to the mounting post, and a damping disc is sleeved on the outer surface of the spindle, with the friction wheel abutting against the outer surface of the damping disc.

[0012] By adopting the above technical solution, when the equipment is shut down, the friction between the friction wheel and the damping disc causes the I-beam wheel to stop rotating quickly, thereby avoiding the phenomenon of excessive release of ultra-fine metal wires due to the I-beam wheel continuing to rotate due to inertia after the equipment stops, resulting in entanglement or even knotting. This reduces the sorting process after shutdown and saves overall production time.

[0013] Optionally, a cylindrical body is provided between the two bearing seats, and the center line assembly and multiple branch line assemblies are all disposed inside the cylindrical body, and the cylindrical body has multiple grooves along the axial direction.

[0014] By adopting the above technical solution, the bobbin can reduce the impact of external dust and impurities and airflow disturbances on the metal wire during twisting, ensuring the smooth operation of the twisting process. At the same time, the grooves allow workers to inspect and disassemble the internal wire separating components and center wire components without disassembling the bobbin, improving the convenience of worker operation.

[0015] Optionally, the lead wire assembly includes a lead wire cone disposed on the bearing housing near the end of the center wire assembly. The end of the lead wire cone extending out of the bearing housing is provided with a wire outlet plate. The lead wire cone and the wire outlet plate are provided with a central hole for the center wire to pass through and a plurality of branch wire holes for branch wires to pass through. The lead wire cone is provided with a wire tube corresponding to a plurality of branch wire assemblies. The spacer is provided with a wire groove corresponding to a plurality of wire tubes. The wire tube passes through the corresponding wire groove and extends to the corresponding branch wire assembly.

[0016] By adopting the above technical solution, during the twisting process, the center wire released from the center wire assembly passes through the center hole on the lead wire cone and the output reel, and the branch wires released from the branch wire assembly pass through the tension arm and then enter the corresponding threading tube. The threading tube guides each branch wire individually to avoid tangling during transmission. After the threading tube guides the branch wire to the branching hole on the lead wire cone, the branch wire gradually moves closer to the center wire by adhering to the conical surface of the lead wire cone. Finally, the branch wire passes through the branching hole on the output reel and is led out. In this way, a wire bundle structure with multiple branch wires distributed circumferentially on the outer periphery of the center wire is obtained. The rotation and twisting of multiple wires are achieved by the drive mechanism driving the bearing seat shaft to rotate.

[0017] Optionally, the drive mechanism includes a motor disposed inside the chassis, with pulleys fitted on the outer surfaces of the output shaft of the motor and the shaft head of the bearing housing, and a belt fitted on the outer surfaces of the two pulleys. A brake is disposed inside the chassis, and the brake disc of the brake is coaxially and fixedly connected to the pulley on the bearing housing.

[0018] By adopting the above technical solution, during the twisting process, the motor drives the shaft inside the bearing housing to rotate through the transmission action of the pulley and belt, thereby driving the center wire assembly, the branch wire assembly and the lead wire assembly to rotate synchronously, realizing the stable twisting of the branch wires around the center wire; when the equipment is turned off, the brake is quickly activated, and the brake disc fixed coaxially with the pulley stops rotating quickly under the braking force, thereby driving the entire twisting mechanism to brake synchronously, avoiding the twisting mechanism from continuing to rotate due to inertia, and preventing problems such as over-twisting, loosening, tangling or knotting of ultra-fine metal wires.

[0019] Optionally, an adjustment plate is hinged inside the chassis, the motor is mounted on the adjustment plate, and an electric push rod is hinged inside the chassis, with the telescopic end of the electric push rod hinged to the adjustment plate.

[0020] By adopting the above technical solution, when it is necessary to adjust the belt tension to ensure transmission stability, the electric push rod drives the adjustment plate hinged to it to rotate around the hinge point inside the machine box. In turn, by changing the position of the motor on the adjustment plate, the belt tension is adjusted to ensure that the belt is always in a suitable tension state, avoiding transmission slippage and unstable speed due to belt slack, thereby ensuring stable operation of the twisting process.

[0021] In summary, this application includes at least one of the following beneficial technical effects: 1. This application establishes a twisting mechanism and a driving mechanism consisting of a center wire assembly, multiple branch wire assemblies, and a lead wire assembly. During the twisting process, the metal wires released by the branch wire assembly serve as branch wires, and the metal wires released by the center wire assembly serve as the center wire. Under the traction of the lead wire assembly, the branch wires can be distributed circumferentially on the outer periphery of the center wire. Subsequently, the driving mechanism drives the bearing housing shaft to rotate, causing the connected center wire assembly, branch wire assembly, and lead wire assembly to rotate synchronously, so that the branch wires on the outer periphery can be stably twisted around the center wire, thus realizing the twisting process of ultrafine metal wires. 2. This application, by setting up a tension arm, adjusting pin, and spring, allows the tension arm to adapt and swing when the wire feeding speed fluctuates. This automatically adjusts the wire tension, preventing the wire from breaking due to excessive tension or becoming loose and tangled due to insufficient tension. Furthermore, workers can change the position of the adjusting pin on the locking thread by rotating the locking nut, thereby changing the spring tension and adjusting the tension value according to the requirements of ultra-fine wires of different materials, ensuring the stability of the feeding process. Attached Figure Description

[0022] Figure 1 This is a structural diagram of this application.

[0023] Figure 2 This is a schematic diagram of the drive mechanism in the embodiments of this application.

[0024] Figure 3 This is a schematic diagram of the twisting mechanism in the embodiments of this application.

[0025] Figure 4 This is a cross-sectional view of the lead taper in an embodiment of this application.

[0026] Figure 5 This is a schematic diagram of the structure of the centerline component and the branch line component in the embodiments of this application.

[0027] Explanation of reference numerals in the attached drawings: 1. Chassis; 101. Electric latch; 102. Shelf plate; 2. Door; 21. Observation window; 3. Twisting mechanism; 31. Bearing seat; 4. Drive mechanism; 32. Center wire assembly; 33. Branching assembly; 331. Crackle plate; 332. Spacer; 3321. Threading hole; 3322. Threading groove; 333. Mandrel; 3331. Damping disc; 334. H-beam reel; 34. Cylinder; 341. Recess 35. Slot; 35. Lead wire assembly; 351. Lead wire taper; 3511. Center hole; 3512. Branch hole; 352. Outlet reel; 353. Conduit; 41. Motor; 42. Pulley; 43. Belt; 44. Brake; 5. Adjusting plate; 51. Electric push rod; 6. Tensioning arm; 61. Spring; 62. Friction wheel; 7. Adjusting frame; 71. Waist-shaped slot; 72. Adjusting pin; 8. Locking threaded post; 81. Locking nut. Detailed Implementation

[0028] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0029] This application discloses an ultra-fine metal wire twisting device.

[0030] Reference Figure 1 An ultra-fine metal wire twisting device includes a housing 1, with a door 2 hinged to the top of the housing 1. In this embodiment, electric latches 101 for fixing the door 2 are installed on both sides of the outer surface of the housing 1 along the length direction. Multiple observation windows 21 are installed on the door 2 so that workers can observe the inside of the housing 1 at any time. A tool table is installed on the outer surface of the housing 1 so that workers can place temporary operating tools.

[0031] Reference Figure 1 and Figure 2 Inside the housing 1, a frame plate 102 is installed along the length direction. A twisting mechanism 3 is provided on the frame plate 102. Inside the housing 1, a drive mechanism 4 is provided to drive the twisting mechanism 3. The twisting mechanism 3 includes two bearing seats 31 arranged along the length direction of the frame plate 102. A center wire assembly 32 and a plurality of wire branching assemblies 33 are arranged sequentially between the two bearing seats 31 along the axial direction. In this embodiment, the number of wire branching assemblies 33 is set to six. The center wire assembly 32 and the wire branching assemblies 33 have the same structure and are both used for the unwinding of metal wires.

[0032] Reference Figure 2 and Figure 3The wire splitting assembly 33 includes a rocker arm 331 mounted on the frame plate 102. Two rocker arms 331 located at the ends are coaxially fixedly connected to the shaft head of the bearing seat 31. The rocker arms 331 of adjacent wire splitting assemblies 33 and center line assembly 32 are coaxially connected through spacers 332. Each spacer 332 has a threading hole 3321 for threading. Each threading hole 3321 is inclined. A spindle 333 is rotatably connected to each rocker arm 331. A detachable I-beam wheel 334 with metal wire wound on it is installed on the spindle 333. The wire on the I-beam wheel 334 is passed through the twisting device and connected to the pulling device. During the process of the pulling device pulling the metal wire, the metal wire drives the I-beam wheel 334 to rotate through the friction between the metal wire and the I-beam wheel 334, thereby realizing the release of the metal wire.

[0033] Reference Figure 2 and Figure 3 A cylinder 34 is installed between the two bearing seats 31. The center wire assembly 32 and the wire splitting assembly 33 are both located inside the cylinder 34. During twisting, the cylinder 34 can reduce the impact of external dust and impurities and airflow disturbances on the metal wire, ensuring the smooth operation of the twisting process. The cylinder 34 has multiple grooves 341 along the axial direction. The number of grooves 341 corresponds to the number of center wire assembly 32 and wire splitting assembly 33. The grooves 341 allow workers to inspect and disassemble the internal wire splitting assembly 33 and center wire assembly 32 without disassembling the cylinder 34, improving the convenience of worker operation.

[0034] Reference Figure 3 and Figure 4 A lead wire assembly 35 is provided on the bearing housing 31. The lead wire assembly 35 includes a lead wire cone 351. The lead wire cone 351 is coaxially and fixedly connected to the bearing housing 31 shaft head near the center line assembly 32. The diameter of the lead wire cone 351 gradually decreases in the direction away from the center line assembly 32. The end of the lead wire cone 351 extending out of the bearing housing 31 is coaxially and fixedly connected to a wire outlet disc 352. The lead wire cone 351 and the wire outlet disc 352 are provided with a central hole 3511 for the center line to pass through and multiple wire outlet holes 3512 for the branch lines to pass through. The multiple wire outlet holes 3512 are distributed on the outer periphery of the central hole 3511.

[0035] Reference Figure 3 and Figure 4 The lead cone 351 is equipped with a wire tube 353 corresponding to a plurality of wire branching components 33. The wire tube 353 is parallel to the axis of the cylinder 34. The spacer 332 is provided with a wire groove 3322 corresponding to a plurality of wire tubes 353. The wire tube 353 passes through the corresponding wire groove 3322 and extends to the corresponding wire branching component 33.

[0036] Reference Figure 2 , Figure 3 and Figure 4 The drive mechanism 4 includes a motor 41 installed inside the housing 1. The motor 41 and the bearing housing 31 away from the center line assembly 32 are located on the same side. The output shaft of the motor 41 and the outer surface of the shaft head of the bearing housing 31 are coaxially fixedly connected to pulleys 42. The outer surfaces of the two pulleys 42 are jointly fitted with a belt 43. A brake 44 is installed on the frame plate 102. The specific composition and principle of the brake 44 are all existing technologies and will not be described in detail in this embodiment. The brake disc of the brake 44 is coaxially fixedly connected to the pulleys 42 on the bearing housing 31.

[0037] Reference Figure 2 , Figure 3 and Figure 4 During the twisting process, the first step is to guide the wire. During this process, the center wire released from the center wire assembly 32 passes through the center hole 3511 on the wire guide cone 351 and the wire output disc 352. The branch wires released from the H-beam wheel 334 in the branch wire assembly 33 pass through the wire through hole 3321 in the spacer sleeve 332 and enter the corresponding wire through tube 353. The wire through tube 353 guides each branch wire individually to prevent the branch wires from tangling during transmission. After the wire through tube 353 guides the branch wires to the branch hole 3512 on the wire guide cone 351, the branch wires gradually move towards the center wires along the conical surface of the wire guide cone 351. Finally, the branch wires pass through the branch hole 3512 on the output disc, thus forming a wire bundle structure in which multiple metal wires are distributed circumferentially on the outer periphery of the center wire. After the lead wire is drawn, the motor 41 is started. The motor 41 drives the shaft inside the bearing housing 31 to rotate through the transmission action of the pulley 42 and the belt 43. The shaft drives the cradle 331 connected to it to rotate. With the connection of multiple spacers 332, all the cradles 331 rotate synchronously, which in turn drives the I-beam wheel 334, the lead wire cone 351 and the lead wire reel 352 on multiple spindles 333 to rotate synchronously, so that the outer peripheral wires rotate and twist around the center line in a stable manner, thus realizing the twisting processing of ultra-fine metal wires. When the equipment is turned off, the brake 44 is activated quickly, causing the brake disc, which is fixed coaxially with the pulley 42, to stop rotating rapidly under the braking force. This, in turn, drives the entire twisting mechanism 3 to brake synchronously, preventing the twisting mechanism 3 from continuing to rotate due to inertia and preventing problems such as over-twisting, loosening, tangling, or knotting of the ultra-fine metal wire.

[0038] Reference Figure 2To ensure the smooth operation of the twisting mechanism 3, an adjusting plate 5 is hinged inside the housing 1. The motor 41 is mounted on the adjusting plate 5. An electric push rod 51 is installed inside the housing 1. The fixed end of the electric push rod 51 is hinged to the bottom wall of the housing 1, and the telescopic end is hinged to the adjusting plate 5. When the electric push rod 51 is running, it will drive the adjusting plate 5 to rotate around the hinge point inside the housing 1. This will adjust the tension of the belt 43 by changing the position of the motor 41 on the adjusting plate 5, ensuring that the belt 43 is always in a suitable tension state. This will prevent transmission slippage and unstable speed caused by the loose belt 43, thereby ensuring the stable operation of the twisting process.

[0039] Reference Figure 5 To further ensure the smooth operation of the twisting mechanism 3, a mounting post (not shown in the figure) is fixedly installed at one end of each cradle 331, and an adjusting frame 7 is fixedly installed at the other end. A tensioning arm 6 is rotatably connected to the mounting post. After the wire from the I-beam spool 334 is released, it first passes over the tensioning arm 6. The adjusting frame 7 has a waist-shaped groove 71, and an adjusting pin 72 is slidably connected inside the waist-shaped groove 71. The adjusting pin 72 and the tensioning arm 6 are connected by a spring 61. The direction of the elastic force of the spring 61 on the tensioning arm 6 is away from the adjusting pin 72. When the wire release speed fluctuates, the spring 61 can drive the tensioning arm 6 to swing adaptively through its own elastic deformation, thereby automatically adjusting the tension of the wire and avoiding the wire from being broken due to excessive tension or becoming loose and tangled due to insufficient tension.

[0040] Reference Figure 5 The adjusting frame 7 is equipped with a locking threaded post 8 along the length of the waist-shaped groove 71. The adjusting pin 72 slides through the outer surface of the locking threaded post 8. Locking nuts 81 are threadedly connected to both sides of the locking threaded post 8. The two locking nuts 81 abut against the outer surface of the adjusting pin 72 respectively. Before twisting, the worker can adjust the tension value according to the requirements of different materials of ultra-fine metal wire. Specifically, during adjustment, the worker rotates the locking nut 81 to move it along the locking threaded post 8. The movement of the locking nut 81 pushes the adjusting pin 72 to move on the locking threaded post 8, thereby changing the degree of tension of the spring 61.

[0041] Reference Figure 5 A friction wheel 62 is coaxially fixedly connected to the mounting column. A damping disc 3331 is sleeved on the outer surface of the spindle 333. The friction wheel 62 abuts against the outer surface of the damping disc 3331. When the equipment is shut down, the friction between the friction wheel 62 and the damping disc 3331 causes the I-beam wheel 334 to stop rotating quickly, thereby preventing the I-beam wheel 334 from continuing to rotate due to inertia after the equipment stops, which would cause the ultra-fine metal wire to be excessively released and become entangled or even knotted.

[0042] The implementation principle of the ultra-fine metal wire twisting device in this application embodiment is as follows: During the twisting process, the wire leading operation is performed first. During the wire leading, the center wire released from the center wire assembly 32 passes through the center hole 3511 on the wire leading cone 351 and the wire exiting disc 352. The branch wires released from the H-beam wheel 334 in the branch wire assembly 33 pass through the wire passing hole 3321 in the spacer sleeve 332 and enter the corresponding wire passing tube 353. The wire passing tube 353 guides each branch wire individually to avoid tangling during transmission. After the wire passing tube 353 guides the branch wires to the branching hole 3512 on the wire leading cone 351, the branch wires gradually move towards the center wire while adhering to the conical surface of the wire leading cone 351. Finally, the branch wires pass through the branching hole 3512 on the exiting disc, thus forming a wire bundle structure in which multiple metal wires are distributed circumferentially on the outer periphery of the center wire. After completion, the motor 41 is started. The motor 41 drives the shaft inside the bearing housing 31 to rotate through the transmission action of the pulley 42 and the belt 43. The shaft drives the cradle 331 connected to it to rotate. With the connection of multiple spacers 332, all the cradles 331 rotate synchronously, which in turn drives the I-beams 334, the lead wire cones 351 and the wire output discs 352 on multiple spindles 333 to rotate synchronously. This makes the outer peripheral wires rotate and twist around the center line in a stable manner, thus realizing the twisting processing of ultra-fine metal wires. When the equipment is turned off, the brake 44 is quickly activated, so that the brake disc fixed coaxially with the pulley 42 stops rotating quickly under the action of braking force, which in turn drives the entire twisting mechanism 3 to brake synchronously, avoiding the twisting mechanism 3 from continuing to rotate due to inertia, and preventing problems such as over-twisting, loosening, tangling or knotting of ultra-fine metal wires.

[0043] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A device for twisting ultrafine metal wires, comprising a casing (1), characterized in that, The machine housing (1) is equipped with a twisting mechanism (3). The twisting mechanism (3) includes two bearing seats (31) arranged opposite to each other. A center line assembly (32) and a plurality of branch line assemblies (33) are arranged sequentially between the two bearing seats (31) along the axial direction. The center line assembly (32) and the branch line assembly (33) have the same structure and are both used for laying out metal wires. A lead wire assembly (35) is provided on the bearing seat (31). After the metal wires of the branch line assembly (33) and the center line assembly (32) are led out through the lead wire assembly (35), the plurality of branch lines are distributed circumferentially on the outer periphery of the center line. The machine housing (1) is equipped with a drive mechanism (4) that drives the shaft head of the bearing seat (31) to rotate.

2. The ultrafine metal wire twisting device according to claim 1, characterized in that, The branch assembly (33) includes a rocker backboard (331) disposed on the bearing seat (31). Multiple rocker backboards (331) are connected by spacers (332). Two rocker backboards (331) at the ends are connected to the shaft head of the bearing seat (31). A spindle (333) is rotatably connected to the rocker backboard (331). A spool (334) with metal wire wound around it is detachably connected to the spindle (333).

3. The ultrafine metal wire twisting device according to claim 2, characterized in that, One end of the rocker arm (331) is fixedly provided with a mounting post, and the other end is provided with an adjustment frame (7). A tensioning arm (6) is rotatably connected to the mounting post. The adjustment frame (7) is provided with a waist-shaped groove (71). An adjustment pin (72) is slidably connected inside the waist-shaped groove (71). The adjustment pin (72) and the tensioning arm (6) are connected by a spring (61). The adjustment frame (7) is provided with a locking threaded post (8) along the length of the waist-shaped groove (71). The adjustment pin (72) slides through the outer surface of the locking threaded post (8). Locking nuts (81) are threadedly connected to both sides of the locking threaded post (8). The two locking nuts (81) abut against the outer surface of the adjustment pin (72) respectively.

4. The ultrafine metal wire twisting device according to claim 3, characterized in that, A friction wheel (62) is coaxially fixedly connected to the mounting post, and a damping disc (3331) is sleeved on the outer surface of the spindle (333), with the friction wheel (62) abutting against the outer surface of the damping disc (3331).

5. The ultrafine metal wire twisting device according to claim 1, characterized in that, A cylindrical body (34) is provided between the two bearing seats (31). The center line assembly (32) and multiple branch line assemblies (33) are all located inside the cylindrical body (34). The cylindrical body (34) has multiple grooves (341) along the axial direction.

6. The ultrafine metal wire twisting device according to claim 1, characterized in that, The lead wire assembly (35) includes a lead wire cone (351) disposed on the bearing housing (31) near the end of the center wire assembly (32). The lead wire cone (351) extends out of the bearing housing (31) and is provided with a wire outlet disc (352). The lead wire cone (351) and the wire outlet disc (352) are provided with a central hole (3511) for the center wire to pass through and a plurality of branch holes (3512) for branch wires to pass through. The lead wire cone (351) is provided with a wire tube (353) corresponding to a plurality of branch wire assemblies (33). The spacer (332) is provided with a wire groove (3322) corresponding to a plurality of wire tubes (353). The wire tube (353) passes through the corresponding wire groove (3322) and extends to the corresponding branch wire assembly (33).

7. The ultrafine metal wire twisting device according to claim 1, characterized in that, The drive mechanism (4) includes a motor (41) installed inside the housing (1). The output shaft of the motor (41) and the outer surface of the shaft head of the bearing housing (31) are both fitted with pulleys (42). The outer surfaces of the two pulleys (42) are fitted with a belt (43). A brake (44) is installed inside the housing (1). The brake disc of the brake (44) is coaxially and fixedly connected to the pulleys (42) on the bearing housing (31).

8. The ultrafine metal wire twisting device according to claim 7, characterized in that, An adjustment plate (5) is hinged inside the chassis (1), and the motor (41) is mounted on the adjustment plate (5). An electric push rod (51) is hinged inside the chassis (1), and the telescopic end of the electric push rod (51) is hinged to the adjustment plate (5).

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