A wire drawing mechanism and its application

Abstract

This invention discloses a wire-pulling mechanism and its application, including a wire-pulling assembly and a driving component. The wire-pulling assembly includes a base, on which a rotating shaft that can rotate along its own axis is connected. The rotating shaft is connected to a movable lever parallel to the rotating shaft via a linkage rod. The movable lever is used to gather multiple wires in the already threaded holes adjacent to the wire-waiting holes on the brush plate. The driving component is directly or indirectly connected to the rotating shaft. The driving component drives the rotating shaft to rotate along its own axis, so that the movable lever linked by the rotating shaft can move between the adjacent already threaded holes and the wire-waiting holes on the brush plate, gathering the forked wires to one side of the already threaded holes. This prevents the clamping blocks on the wire bending mechanism from winding the forked wires into the next group of strands, ensuring the normal operation of the wire-seeding process and improving the quality and efficiency of the wire-seeding process.

Description

Technical Field

[0001] This invention relates to the field of strip grinding, and particularly to a wire drawing mechanism and its application. Background Technology

[0002] Strip steel is typically manufactured using a hot rolling process. Before actual use, rust and oxide scale will appear on the surface of the strip steel, requiring brush rollers to polish the surface. To facilitate disassembly and maintenance, an existing brush roller structure is designed with multiple grinding brush discs mounted on the roller shaft. Each grinding brush disc includes a brush plate, and the inner side of the brush plate has multiple circumferentially distributed wire holes. Resin-made filaments need to be threaded through the wire holes. The filaments are folded in half radially away from the brush plate to form two strands at both ends of the brush plate. The two strands need to be fixed together by wire winding or welding to form a filament bundle for polishing the surface of the strip steel.

[0003] As in the applicant's previous patent for a threading mechanism with publication number CN112353088, the unthreaded brush is concentrically mounted on a turntable, and the two are connected and rotate synchronously. The turntable is driven to rotate by a stepper motor, which aligns each thread hole with the path of the thread. During threading, the threading mechanism threads the thread onto the brush, and then the bending mechanism bends the thread onto the brush into a U-shape. The bending mechanism includes two working arms, each with a clamping block that separates the thread. After the working arm is lifted from bottom to top, the two clamping blocks bend the cut thread into a U-shaped thread. Then, a collar mechanism places a constraint ring onto the bent thread. After that, the stepper motor rotates, aligning the next thread hole with the thread, and the process is repeated until all the thread holes on the brush are threaded.

[0004] like Figure 9 As shown, the wire holes are divided into wire holes with wires already inserted and wire holes without wires yet to be inserted. At the wire bundle in the wire bundle with wires already inserted, although the collar binds the two strands together (the collar is not shown), the unbound wire portion is elastic and easily branches circumferentially to the side of the wire hole adjacent to the wire hole with wires already inserted. When the wire is bent in the wire hole with wires yet to be inserted, the branched wires will overlap with the wires in the wire hole with wires yet to be inserted, and are easily rolled into the next set of wire strands by the clamping block, affecting the efficiency and quality of the wire seeding. Summary of the Invention

[0005] This invention provides a wire-pulling mechanism and its application. A drive component drives a rotating shaft to rotate along its own axis, allowing a movable lever linked to the rotating shaft to move between adjacent threaded wire holes and unloaded wire holes on the brush plate. This pulls the forked wires together to the threaded wire hole side, preventing the clamping blocks on the wire bending mechanism from winding the forked wires into the next strand, ensuring the normal operation of the wire-pulling process, and improving the quality and efficiency of the wire-pulling process.

[0006] The technical solution of this invention is implemented as follows:

[0007] A wire drawing mechanism, comprising:

[0008] The wire drawing assembly includes a base, on which a rotating shaft that can rotate along its own axis is connected. The rotating shaft is connected to a movable lever parallel to the rotating shaft via a linkage rod. The movable lever is used to gather the wire bundle in the wire-passing hole adjacent to the wire hole to be fed on the brush plate.

[0009] A driving component, which is directly or indirectly connected to the rotating shaft to drive the rotating shaft to rotate;

[0010] The wire drawing mechanism has a working state and a reset state. In the working state, the driving component drives the rotating shaft to rotate, so that the movable lever moves from the initial position to the space between the adjacent wire-threaded holes and the wire-waiting holes on the brush plate, so as to gather the wire bundle in the wire-threaded holes to one side of the wire-threaded holes. In the reset state, the driving component drives the rotating shaft to rotate in the opposite direction, so that the movable lever moves in the opposite direction to the initial position.

[0011] Preferably, the driving component and the rotating shaft are indirectly connected through a transmission assembly; the transmission assembly includes a transmission rod slidably connected to the base, the transmission rod having multiple tooth grooves, and a swinging gear fixedly connected to the shaft body of the rotating shaft, the swinging gear having multiple teeth that match the tooth grooves, the driving component driving the transmission rod to slide on the base, so that the tooth grooves and teeth engage to drive the rotating shaft to rotate.

[0012] Preferably, the transmission rod is a screw, and the tooth groove is a helical groove set on the screw; compared with opening a standard tooth groove on the transmission rod, it is cheaper to directly use a screw with a helical groove, while also ensuring the meshing effect between the tooth groove and the tooth.

[0013] Preferably, the base is provided with a receiving cavity, and the rotating shaft has a mating part passing through the receiving cavity. The oscillating gear is fixedly connected to the mating part. The side wall of the receiving cavity is provided with a guide hole communicating with the outside. The transmission rod is slidably connected in the guide hole. The receiving cavity can accommodate the transmission component in the base, reducing the space it occupies in the wire drawing mechanism, optimizing the structural layout of the wire drawing mechanism, and facilitating the installation of the wire drawing mechanism to the wire threading mechanism for wire drawing work.

[0014] Preferably, the driving component is a cylinder, and the piston rod of the cylinder is indirectly connected to the transmission rod through a connecting plate.

[0015] Preferably, the connecting plate is provided with a connecting sleeve inserted into the guide hole, and the end of the transmission rod is provided with a screw hole corresponding to the position of the connecting sleeve. The screw passes through the connecting sleeve and is screwed into the screw hole to connect the transmission rod to the connecting plate. A threaded rod is connected to the piston rod of the cylinder, and an internal threaded sleeve corresponding to the threaded rod is connected to the connecting plate. After the threaded rod and the internal threaded sleeve are engaged, they are locked by a nut to connect the piston rod to the connecting plate.

[0016] Preferably, the connecting plate is provided with a waist-shaped groove, and the middle of the internal threaded sleeve has a shrinkage section that matches the width of the waist-shaped groove, and the shrinkage section is located inside the waist-shaped groove.

[0017] Preferably, the extension direction of the waist-shaped groove is perpendicular to the extension and retraction direction of the piston rod; the waist-shaped groove extends and forms an installation notch at the corresponding end of the connecting plate that allows the retracted section to be engaged or disengaged; so as to facilitate the installation and disassembly of the internal threaded sleeve.

[0018] Preferably, the driving component is a motor that is directly connected to the rotating shaft; the output shaft of the motor can be connected to the end of the rotating shaft via a key or a coupling to drive the rotating shaft to rotate.

[0019] The application of the aforementioned wire-drawing mechanism includes the following steps:

[0020] S1: Set the wire drawing mechanism to the corresponding position of the wire threading mechanism, and make the axis direction of the movable lever consistent with the axis direction of the brush plate;

[0021] S2: After the first wire hole on the brush plate is seeded by the wire threading mechanism and converted into a threaded hole, rotate the brush plate and make the next wire hole cooperate with the wire threading mechanism to seed wire.

[0022] S3: Switch the wire drawing mechanism to the working state, so that the movable lever moves from the initial position to between the adjacent wire-threaded holes and the wire-waiting holes on the brush plate, so as to gather the wire bundle in the wire-threaded holes to one side of the wire-threaded holes.

[0023] S4: When the corresponding wire-feeding hole is completed and converted into a wire-threaded hole, switch the wire-pulling mechanism to the reset state, so that the movable lever moves in the opposite direction to the initial position;

[0024] S5: Repeat steps S2-S4 to ensure that the seeding of silk is successfully completed in each of the silk holes on the brush plate.

[0025] Preferably, the wire-pulling assembly also includes a fixed lever disposed next to the movable lever. In step S5, when the last wire-feeding hole on the brush plate is seeded, there are wire bundles in the two wire-threaded holes adjacent to the last wire-feeding hole. The movable lever moves from its initial position to between the last wire-feeding hole and one of the adjacent wire-threaded holes, and pulls one of the wire bundles to the wire-threaded hole on the corresponding side. At this time, the fixed lever is between the last wire-feeding hole and another adjacent wire-threaded hole, and pulls the other wire bundle to the wire-threaded hole on the other side. This ensures that when the last wire-feeding hole is seeded, the wire bundles on both sides will not be tangled.

[0026] Preferably, the wire-pulling mechanism is driven by a positioning cylinder, and the extension and retraction direction of the piston rod of the positioning cylinder is the same as the axial direction of the brush disk. In step S3, the piston rod of the positioning cylinder extends and moves the wire-pulling mechanism closer to the brush disk along the axial direction of the brush disk. After step S4, the piston rod of the positioning cylinder retracts and moves the wire-pulling mechanism away from the brush disk along the axial direction of the brush disk. When the positioning cylinder drives the wire-pulling mechanism closer to the brush disk, it facilitates the gathering of the corresponding wire bundles on the brush disk. When the positioning cylinder drives the wire-pulling mechanism away from the brush disk, it avoids interference with the collar mechanism and the wire-bending mechanism.

[0027] The beneficial effects of the present invention, which adopts the above technical solution, are as follows:

[0028] Because the filaments are elastic, it is difficult to avoid filament splitting within the threaded holes. The filament-pulling mechanism of this invention drives a rotating shaft to rotate, which in turn moves a movable lever via a linkage rod from the circumferential direction of the brush plate to between adjacent threaded holes and filament-waiting holes on the brush plate. This allows the movable lever to gather the split filaments together. When threading and bending filaments within the threaded holes, there is no need to worry about the clamps on the bending mechanism winding up the split filaments within the threaded holes. After threading and bending filaments within the filament-waiting holes are completed, the movable lever can be reversed to reset, preparing for the next filament-pulling operation. The entire filament-pulling mechanism is simple and ingeniously designed, improving the quality and efficiency of seed filaments.

[0029] The base is provided with a cavity to accommodate the transmission component, which allows the transmission component to be concealed within it. This reduces the volume space occupied by the transmission component in the entire wire drawing mechanism, making the structure of the entire wire drawing mechanism more compact. This makes it easier to install onto the wire threading mechanism to complete the corresponding wire drawing work.

[0030] The wire pulling mechanism is installed and applied to the wire threading mechanism so that when the wire threading mechanism is planting wires in each wire hole on the brush plate, it pulls together the wire bundles in the wire holes, ensuring that each wire hole is not interfered with by the adjacent wire bundles during the wire planting process, and ensuring that the wire planting is successfully completed in each wire hole on the brush plate.

[0031] Considering that when the last waiting wire hole is used for wire seeding, both sides of the last waiting wire hole have already formed wire bundles. Therefore, the movable lever of the wire pulling mechanism can only pull together the wire bundle on one side. Therefore, this invention provides a fixed lever next to the movable lever. When the last waiting wire hole is used for wire seeding, the fixed lever can naturally pull together the wire bundle on the other side, avoiding the last waiting wire hole from being affected by the wire bundle on the other side when it is used for wire seeding, and further improving the quality of wire seeding. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the wire drawing mechanism;

[0033] Figure 2A schematic diagram showing the transmission rod and the oscillating gear hidden inside the accommodating cavity;

[0034] Figure 3 This is an exploded view of the wire drawing mechanism;

[0035] Figure 4 This is a schematic diagram showing the wire in the already threaded hole deflected towards the side of the hole to be threaded in the reset state.

[0036] Figure 5 This is a schematic diagram showing how, in the working state, the movable lever pulls the deflected wire toward the side of the wire-threaded hole;

[0037] Figure 6 A schematic diagram showing the wire drawing mechanism mounted on a positioning cylinder;

[0038] Figure 7 A schematic diagram showing how the movable lever and the fixed lever pull the filament bundles together on both sides;

[0039] Figure 8 This is a schematic diagram showing the connection between the driving component and the rotating shaft in Example 2;

[0040] Figure 9 This is a simplified schematic diagram of a wire that has been deflected within a wire feed hole being wound into a clamping block in the background art.

[0041] The reference numerals in the attached drawings are as follows: 1-rotating shaft, 2-movable lever, 2a-fixed lever, 3-linkage rod, 4-cylinder, 5-base, 6-connecting plate, 7-internal threaded sleeve, 8-transmission rod, 11-oscillating gear, 111-tooth, 41-threaded rod, 51-accommodating cavity, 52-guide hole, 61-connecting sleeve, 71-contraction section, 81-tooth groove, 9-positioning cylinder, 91-mounting seat. Detailed Implementation

[0042] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0043] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0044] This invention has multiple embodiments, the specific implementation methods of which are as follows:

[0045] Example 1: As Figure 1-7As shown, this embodiment provides a wire-pulling mechanism that can gather multiple forked wires in the wire-threaded holes adjacent to the wire-feeding holes on the brush, preventing the forked wires from getting caught in the next group of strands. The wire-pulling mechanism includes:

[0046] The wire pulling assembly includes a base 5, on which a rotating shaft 1 that can rotate along its own axis is connected. The rotating shaft 1 is connected to a movable lever 2 parallel to the rotating shaft 1 via a linkage rod 3. The movable lever 2 is used to pull together the wire bundle in the wire-threading hole adjacent to the wire-feeding hole on the brush plate. When the wire pulling mechanism is set on the wire-threading mechanism for wire pulling, the axial direction of the movable lever 2 is the same as the axial direction of the brush plate.

[0047] A driving component is directly or indirectly connected to the rotating shaft 1 to drive the rotating shaft 1 to rotate;

[0048] The wire pulling mechanism has a working state and a reset state. In the working state, the driving component drives the rotating shaft 1 to rotate, so that the movable lever 2 moves from the initial position to between the adjacent wire-threaded holes and the wire-waiting holes on the brush plate, so as to gather the wire bundles in the wire-threaded holes to one side of the wire-threaded holes. Specifically, during wire pulling, the movable lever 2 moves from the initial position along the circumferential direction of the rotating shaft 1, and gradually approaches and acts on the wire bundles in the wire-threaded holes from the circumferential direction of the brush plate. In the reset state, the driving component drives the rotating shaft 1 to rotate in the opposite direction, so that the movable lever 2 moves in the opposite direction to the initial position, in preparation for the next wire pulling operation, until all wire holes in the brush plate are filled with wire.

[0049] Furthermore, the driving component can be directly connected to the rotating shaft 1 to drive the movable lever 2 to move, or the driving component can be indirectly connected to the rotating shaft 1 through a transmission assembly. In this embodiment, the transmission assembly includes a transmission rod 8 slidably connected to the base 5, the transmission rod 8 having multiple toothed grooves 81, and a swinging gear 11 fixedly connected to the shaft body of the rotating shaft 1, the swinging gear 11 having multiple teeth 111 matching the toothed grooves 81. The driving component is a cylinder 4, and the piston rod of the cylinder 4 is indirectly connected to the transmission rod 8 through a connecting plate 6. The extension and retraction of the piston rod of the cylinder 4 can drive the transmission rod 8 to slide on the base 5, so that the toothed grooves 81 and the teeth 111 engage to drive the rotating shaft 1 to rotate.

[0050] Furthermore, compared to opening standard toothed grooves on the shaft of the transmission rod 8, the transmission rod 8 in this embodiment is lower in cost and easier to process. That is, the transmission rod 8 is a screw, and the toothed groove 81 is a helical groove set on the screw. Compared to opening standard toothed grooves on the transmission rod 8, directly using a screw with helical grooves is lower in cost, while also ensuring the meshing effect between the toothed groove 81 and the tooth 111.

[0051] Furthermore, the size of the wire drawing mechanism needs to be miniaturized. A miniaturized wire drawing mechanism is easier to install into the corresponding position of the wire threading mechanism. Therefore, in this embodiment, a receiving cavity 51 is provided on the base 5, and a mating part is provided on the rotating shaft 1 that passes through the receiving cavity 51. The swing gear 11 is fixedly connected to the mating part. A guide hole 52 communicating with the outside is provided on the side wall of the receiving cavity 51, and the transmission rod 8 is slidably connected in the guide hole 52. The receiving cavity 51 can accommodate the transmission component in the base 5, reducing the space it occupies in the wire drawing mechanism, optimizing the structural layout of the wire drawing mechanism, and facilitating the installation of the wire drawing mechanism into the wire threading mechanism for wire drawing work.

[0052] Furthermore, the connection relationship between the connecting plate 6, the transmission rod 8, and the cylinder 4 is as follows: The connecting plate 6 is provided with a connecting sleeve 61 that is inserted into the guide hole 52. The end of the transmission rod 8 is provided with a screw hole corresponding to the position of the connecting sleeve 61. The screw passes through the connecting sleeve 61 and is screwed into the screw hole, so that the transmission rod 8 is connected to the connecting plate 6. The piston rod of the cylinder 4 is connected with a threaded rod 41. The connecting plate 6 is connected with an internal threaded sleeve 7 corresponding to the threaded rod 41. After the threaded rod 41 and the internal threaded sleeve 7 are engaged, they are locked by a nut, so that the piston rod is connected to the connecting plate 6.

[0053] Furthermore, to facilitate the quick alignment of the threaded rod 41 with the internal threaded hole of the internal threaded sleeve 7 during installation, the connecting plate 6 is provided with a waist-shaped groove, the extension direction of which is perpendicular to the extension and retraction direction of the piston rod; the internal threaded sleeve 7 has a contraction section 71 in the middle that matches the width of the waist-shaped groove, and the contraction section 71 is located within the waist-shaped groove. During installation, the waist-shaped groove facilitates the sliding of the contraction section 71, aligning the internal threaded hole of the internal threaded sleeve 7 with the threaded rod 41; and to facilitate the insertion or removal of the contraction section 71 from the waist-shaped groove, the waist-shaped groove extends and forms an installation notch 62 at the corresponding end of the connecting plate 6, allowing the contraction section 71 to be inserted or removed; thus facilitating the installation and disassembly of the internal threaded sleeve 7.

[0054] The application of the aforementioned wire-drawing mechanism includes the following steps:

[0055] S1: Set the wire drawing mechanism at the corresponding position of the wire threading mechanism. The wire threading mechanism can be the wire threading mechanism in the background technology or other wire threading mechanisms; and make the axial direction of the movable lever consistent with the axial direction of the brush plate; so that the movable lever 2 can move along the circumference of the brush plate to between the wire threaded hole and the wire waiting hole.

[0056] S2: After the first wire hole on the brush plate is seeded by the wire threading mechanism and converted into a threaded hole, rotate the brush plate and make the next wire hole cooperate with the wire threading mechanism to seed wire.

[0057] S3: Switch the wire drawing mechanism to the working state, so that the movable lever 2 moves from the initial position to between the adjacent wire-threaded holes and the wire-waiting holes on the brush plate, so as to gather the wire bundle in the wire-threaded holes to one side of the wire-threaded holes.

[0058] S4: When the corresponding wire-feeding hole is completed and converted into a wire-threaded hole, switch the wire-pulling mechanism to the reset state, so that the movable lever 2 moves in the opposite direction to the initial position;

[0059] S5: Repeat steps S2-S4 to ensure that the seeding of silk is successfully completed in each of the silk holes on the brush plate.

[0060] Furthermore, such as Figure 7 As shown, considering that when the last filament hole on the brush plate is used for filament planting, filament bundles have already formed on both sides of the last filament hole. Therefore, the movable lever of the filament pulling mechanism can only pull the filament bundle on one side. Therefore, the filament pulling assembly also includes a fixed lever 2a set next to the movable lever 2. In step S5, when the last filament hole on the brush plate is used for filament planting, there are filament bundles in the two filament holes adjacent to the last filament hole. The movable lever 2 moves from the initial position to between the last filament hole and one of the adjacent filament holes, and pulls one of the filament bundles to the corresponding filament hole. At this time, the fixed lever 2a is between the last filament hole and another adjacent filament hole, and pulls the other filament bundle to the filament hole on the other side. This ensures that when filament is planted at the last filament hole, the filament bundles on both sides will not be entangled.

[0061] Furthermore, taking the threading mechanism in the background art as an example, after the threading mechanism completes the threading operation, the threading mechanism still needs to perform the bending and looping operations. If the threading mechanism continues to stay near the brush plate, it may interfere with the bending and constraint mechanisms, affecting the next bending and looping operations. Therefore, in this embodiment, the threading mechanism is driven by a positioning cylinder 9. The extension and retraction direction of the piston rod of the positioning cylinder 9 is the same as the axial direction of the brush plate. A mounting base 91 is connected to the positioning cylinder 9, and the threading mechanism is set on the mounting base 91. In step S3, the piston rod of the positioning cylinder 9 extends and moves the threading mechanism closer to the brush plate along the axial direction of the brush plate. After step S4, the piston rod of the positioning cylinder 9 retracts and moves the threading mechanism away from the brush plate along the axial direction of the brush plate. The positioning cylinder 9 drives the threading mechanism closer to the brush plate to gather the corresponding thread bundles on the brush plate, and the positioning cylinder 9 drives the threading mechanism away from the brush plate to avoid interference with the looping and bending mechanisms.

[0062] Example 2: Figure 8 As shown, the difference between this embodiment and the above embodiment is that the driving component is a motor 4a directly connected to the rotating shaft 1. Specifically, the motor 4a is installed outside the accommodating cavity 51, and the output shaft of the motor 4a passes through the base 5 and is connected to the end of the rotating shaft 1 by a key or coupling to drive the rotating shaft 1 to rotate, thereby driving the movable lever 2 to move or reset, so as to complete the wire pulling work and achieve the same effect as in the above embodiment.

[0063] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A wire drawing mechanism, characterized in that, include: The wire drawing assembly includes a base (5), on which a rotating shaft (1) that can rotate along its own axis is connected. The rotating shaft (1) is connected to a movable lever (2) that is parallel to the rotating shaft (1) through a linkage rod (3). The movable lever (2) is used to gather the wire bundle in the wire hole adjacent to the wire hole on the brush plate. The base (5) is provided with a receiving cavity (51), and the rotating shaft (1) has a mating part that passes through the receiving cavity (51). The side wall of the receiving cavity (51) is provided with a guide hole (52) that communicates with the outside. The driving component is indirectly connected to the rotating shaft (1) through a transmission assembly. The transmission assembly includes a transmission rod (8) slidably connected to the base (5), and the transmission rod (8) is slidably connected in the guide hole (52). The transmission rod (8) is provided with multiple tooth grooves (81), and a swing tooth (11) is fixedly connected to the mating part. The swing tooth (11) has multiple teeth (111) that match the tooth grooves (81). The driving component is a cylinder (4), and the piston rod of the cylinder (4) is indirectly connected to the transmission rod (8) through a connecting plate (6). The connecting plate (6) is provided with an insertion guide hole (52). The inner connecting sleeve (61) has a screw hole at the end of the transmission rod (8) corresponding to the position of the connecting sleeve (61). The screw passes through the connecting sleeve (61) and is screwed into the screw hole, so that the transmission rod (8) is connected to the connecting plate (6). The piston rod of the cylinder (4) is connected to a threaded rod (41), and the connecting plate (6) is connected to an internal threaded sleeve (7) corresponding to the threaded rod (41). After the threaded rod (41) and the internal threaded sleeve (7) are engaged, they are locked by a nut. The driving component drives the transmission rod (8) to slide on the base (5), so that the tooth groove (81) engages with the tooth (111) to drive the rotating shaft (1) to rotate. The wire pulling mechanism has a working state and a reset state. In the working state, the driving component drives the rotating shaft (1) to rotate so that the movable lever (2) moves from the initial position to the adjacent wire-threaded hole and the wire-waiting hole on the brush plate, so as to gather the wire bundle in the wire-threaded hole to one side of the wire-threaded hole. In the reset state, the driving component drives the rotating shaft (1) to rotate in the opposite direction so that the movable lever (2) moves in the opposite direction to the initial position.

2. The wire drawing mechanism according to claim 1, characterized in that: The transmission rod (8) is a screw, and the tooth groove (81) is a helical groove set on the screw.

3. The wire drawing mechanism according to claim 1, characterized in that: The connecting plate (6) is provided with a waist-shaped groove, and the inner threaded sleeve (7) has a shrinkage section (71) in the middle that matches the width of the waist-shaped groove. The shrinkage section (71) is located in the waist-shaped groove.

4. The wire drawing mechanism according to claim 3, characterized in that: The extension direction of the waist-shaped groove is perpendicular to the extension and retraction direction of the piston rod; the waist-shaped groove extends and forms an installation notch (62) at the corresponding end of the connecting plate (6) that allows the retractable section (71) to be engaged or disengaged.

5. The wire drawing mechanism according to claim 1, characterized in that: The driving component is a motor (4a) that is directly connected to the rotating shaft (1).

6. The application of the wire-drawing mechanism according to claim 1, characterized in that, Includes the following steps: S1: Set the wire drawing mechanism to the corresponding position of the wire threading mechanism, and make the axial direction of the movable lever consistent with the axial direction of the brush plate; S2: After the first wire hole on the brush plate is seeded by the wire threading mechanism and converted into a threaded hole, rotate the brush plate and make the next wire hole cooperate with the wire threading mechanism to seed wire. S3: Switch the wire drawing mechanism to the working state, so that the movable lever (2) moves from the initial position to the adjacent wire-threaded hole and the wire-waiting hole on the brush plate, so as to gather the wire bundle in the wire-threaded hole to one side of the wire-threaded hole. S4: When the corresponding wire hole is filled with seeded wire and converted into a wire-threaded hole, switch the wire-pulling mechanism to the reset state and move the movable lever (2) in the opposite direction to the initial position. S5: Repeat steps S2-S4 to ensure that the seeding of silk is successfully completed in each of the silk holes on the brush plate.

7. The application of the wire drawing mechanism according to claim 6, characterized in that: The wire drawing assembly also includes a fixed lever (2a) located next to the movable lever (2). In step S5, when the last wire hole on the brush plate is seeded, there are wire bundles in the two wire holes adjacent to the last wire hole. The movable lever (2) moves from the initial position to between the last wire hole and one of the adjacent wire holes and pulls one of the wire bundles to the wire hole on the corresponding side. At this time, the fixed lever (2a) is between the last wire hole and another adjacent wire hole and pulls the other wire bundle to the wire hole on the other side.

8. The application of the wire drawing mechanism according to claim 6, characterized in that: The wire-pulling mechanism is driven by a positioning cylinder (9). The extension and retraction direction of the piston rod of the positioning cylinder (9) is the same as the axial direction of the brush plate. In step S3, the piston rod of the positioning cylinder (9) extends and moves the wire-pulling mechanism closer to the brush plate along the axial direction of the brush plate. After step S4, the piston rod of the positioning cylinder (9) retracts and moves the wire-pulling mechanism away from the brush plate along the axial direction of the brush plate.

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