Automatic alignment steel wire grabbing assembly mechanism and nut automatic production equipment

Abstract

The application relates to the technical field of bolt processing, in particular to an automatic centering steel wire grabbing and assembling mechanism and a nut automatic production equipment, which comprises a machine table, a conveying disc rotatably installed on the machine table, a limiter fixed on the conveying disc, a fixing frame fixed on the machine table, and a fixing plate fixed on the fixing frame; a translation mechanism arranged on the fixing frame, a fixing rod connected to the translation mechanism, and a support plate fixed at the end of the fixing rod; a multi-dimensional guide mechanism arranged on the support plate, a floating platform connected to the multi-dimensional guide mechanism, a clamping assembly arranged on the floating platform, and the multi-dimensional guide mechanism capable of controlling the clamping assembly to grab the steel wire through the floating platform; and a support regulation mechanism arranged on the support plate and used for providing adjustable elastic support force for the floating platform, so that the clamping stability can be maintained and the accuracy of subsequent positioning can be ensured through the regulation of the elastic support force.

Description

Technical Field

[0001] This invention relates to the field of bolt processing technology, specifically to an automatic centering wire gripping and assembly mechanism and an automatic nut production equipment. Background Technology

[0002] In the production of certain types of nuts (such as special nuts used for locking, anti-loosening, or as connectors), a section of steel wire is often vertically inserted and riveted or bent and fixed to a pre-drilled hole on the side wall of the nut to form functional structures such as anti-loosening teeth, handles, or connecting rods. This process (steel wire assembly) is a key step in the production of such nuts, and its quality directly affects the final function and reliability of the nut.

[0003] Currently, the automated assembly of this process faces two major technical challenges: first, how to stably and accurately grasp slender and easily bent steel wires; and second, how to overcome the slight alignment deviations caused by the straightness error of the steel wire itself, the repeated positioning error of the equipment, and the slight thermal deformation or vibration when inserting the steel wire into the small hole of the nut, so as to achieve smooth and damage-free insertion.

[0004] In existing technologies, the automated assembly of steel wire mainly uses high-rigidity robotic arms or linear modules equipped with pneumatic or electric grippers to grasp the steel wire, and then relies on the equipment's extremely high positioning accuracy to directly drive it into the nut hole.

[0005] However, during the continuous movement of the robotic arm and linear module, slight positioning deviations may occur, which can lead to misalignment between the wire and the hole on the nut, resulting in assembly failure. Furthermore, the wire itself is continuously fed by the feeder, and during both conveying and storage, it may undergo natural slight bending deformation. If the wire is directly inserted during the assembly process, even with precise positioning, the slight deformation of the wire itself may cause scratches on the wire surface or prevent it from entering the hole, resulting in it being bent directly. Summary of the Invention

[0006] The purpose of this invention is to provide an automatic wire gripping and assembly mechanism and an automatic nut production equipment to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] The automatic centering wire gripping and assembly mechanism includes:

[0009] The machine base, and the conveyor plate rotatably mounted on the machine base, the conveyor plate is fixed with a limiter, the machine base is fixed with a fixed frame, and the fixed frame is fixed with a fixed plate.

[0010] Also includes:

[0011] A translation mechanism is mounted on the fixed frame, and a fixed rod is connected to the translation mechanism. A support plate is fixed to the end of the fixed rod.

[0012] A multi-dimensional guiding mechanism is mounted on the support plate, and a floating platform is connected to the multi-dimensional guiding mechanism. A clamping component is mounted on the floating platform, and the multi-dimensional guiding mechanism can control the clamping component to grip the steel wire through the floating platform.

[0013] A support and control mechanism is installed on the support plate to provide adjustable elastic support force for the floating platform.

[0014] As a further aspect of the present invention: the translation mechanism includes a vertical cylinder fixed on the fixed frame, a movable plate fixed to the end of the vertical cylinder, and a first inclined groove formed on the movable plate.

[0015] As a further embodiment of the present invention: the translation mechanism further includes a guide post fixed on the fixed plate, the guide post having a sliding sleeve that slides axially, the sliding sleeve being fixedly connected to the fixed rod, and a first limiting post fixed to the side wall of the sliding sleeve that slides into the first inclined groove.

[0016] As a further embodiment of the present invention: the multi-dimensional guiding mechanism includes a first support rod fixed on the support plate, a first movable sleeve slidably attached to the first support rod along its axial direction, a first connecting plate fixed to the side wall of the first movable sleeve, and a first slot formed on the first connecting plate.

[0017] As a further embodiment of the present invention: the multi-dimensional guiding mechanism further includes a second support rod fixed on the support plate, the second support rod having a second movable sleeve slidably axially, a second connecting plate fixed to the side wall of the second movable sleeve, a second slot formed on the second connecting plate, a sliding plate slidably installed in the second slot and slidably fitted with the first slot, the sliding plate being fixedly connected to the floating platform.

[0018] As a further embodiment of the present invention: the clamping assembly includes a second slide groove formed on the floating platform and arranged symmetrically, a push block is slidably installed in the second slide groove, a clamping plate is fixed on the push block, and a double-headed cylinder fixedly connected to the push block is fixed on the floating platform.

[0019] As a further embodiment of the present invention: the support and adjustment mechanism includes a limiting plate fixed on the fixed plate, a second inclined groove is formed on the limiting plate, a follower sleeve is axially slidable on the fixed rod, and a second limiting post is fixed on the side wall of the follower sleeve and slidably engaged with the second inclined groove;

[0020] It also includes a sliding component and an elastic component disposed on the support plate and connected to the follower sleeve.

[0021] As a further embodiment of the present invention: the sliding assembly includes a plurality of first sliding grooves formed on the support plate and distributed equidistantly along the fixed rod in a circular pattern, a sliding block is slidably installed in the first sliding groove, and a connecting rod hinged to the sliding block and hinged to the follower sleeve.

[0022] As a further embodiment of the present invention: the elastic component includes a plurality of push plates fixed on the sliding block and slidably connected to the first support rod and the second support rod respectively. Springs are respectively sleeved on the first support rod and the second support rod. One end of the spring abuts against the push plate, and the other end abuts against the first movable sleeve and the second movable sleeve respectively.

[0023] The automatic nut production equipment includes the aforementioned automatic centering wire gripping and assembly mechanism.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention achieves stable clamping and flexible correction by adjusting the restraining force of the floating platform. In the grasping and initial positioning stage, when the translation mechanism drives the clamping component to move towards the steel wire, the support and control mechanism automatically increases the restraining force on the floating platform. In this state, when the double-headed cylinder drives the clamping plate to close, the clamping action itself is extremely stable, effectively preventing the steel wire position error caused by clamping sway. At the same time, the steel wire can also be initially positioned by the guide of the inclined surface of the clamping plate.

[0025] During insertion, the support and control mechanism synchronously and linearly reduces the spring preload, allowing the clamping system to smoothly transition from a "rigid locking" state to a "horizontal compliant floating" state. At this time, if the steel wire has a slight deviation in the horizontal plane due to its own bending or alignment, its front end will contact the conical surface of the tapered guide tube. The radial correction force generated by the conical surface can easily overcome the greatly reduced frictional resistance of the floating platform, driving the first movable sleeve and the second movable sleeve to produce a compliant slight sliding, thereby driving the entire clamping platform and clamping point to follow the correction movement of the front end of the steel wire in the horizontal plane in real time. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of an embodiment of an automatic centering wire gripping and assembly mechanism.

[0027] Figure 2 This is a structural schematic diagram from another angle in an embodiment of the automatic centering wire gripping and assembly mechanism.

[0028] Figure 3 This is a schematic diagram of the structure of a portion of the translation mechanism in an embodiment of an automatic centering wire gripping and assembly mechanism.

[0029] Figure 4 This is a schematic diagram of the structure of part of the translation mechanism and part of the multi-dimensional guiding mechanism in an embodiment of the automatic centering wire gripping and assembly mechanism.

[0030] Figure 5 This is a schematic diagram showing the connection relationship between some translation mechanisms, some multi-dimensional guiding mechanisms, and clamping components in an embodiment of an automatic centering wire gripping and assembly mechanism.

[0031] Figure 6 for Figure 5 A magnified schematic diagram of the structure at point A in the middle.

[0032] Figure 7 This is a schematic diagram of the structure of the support and control mechanism, part of the multi-dimensional guiding mechanism, and part of the clamping components in an embodiment of the automatic centering wire gripping and assembly mechanism.

[0033] Figure 8 This is a schematic diagram of the structure of the multi-dimensional guiding mechanism, partial support and control mechanism, and clamping components in an embodiment of an automatic centering wire gripping and assembly mechanism.

[0034] Figure 9 This is a schematic diagram of the structure of some clamping components, some support and control mechanisms, some multi-dimensional guiding mechanisms, support plates, and floating platforms in an embodiment of an automatic centering wire gripping and assembly mechanism.

[0035] Figure 10 An exploded view of part of the support and control mechanism in an embodiment of an automatic centering wire gripping and assembly mechanism.

[0036] Figure 11 This is a schematic diagram of the clamping component in an embodiment of an automatic centering wire gripping and assembly mechanism.

[0037] In the diagram: 1. Machine base; 2. Conveyor disc; 3. Limiter; 4. Disc feeder; 5. Conveyor guide rail; 6. Fixed frame; 7. Fixed plate; 8. Guide column; 9. Sliding sleeve; 10. Vertical cylinder; 11. Movable plate; 1101. First inclined groove; 12. First limiter column; 13. Fixed rod; 14. Support plate; 1401. First sluice; 15. First support rod; 16. First movable sleeve; 17. First connecting plate; 1701. First clamp. 18. Second support rod; 19. Second movable sleeve; 20. Second connecting plate; 2001. Second slot; 21. Sliding plate; 22. Floating platform; 2201. Second sliding groove; 23. Double-headed cylinder; 24. Push block; 25. Clamping plate; 26. Limiting plate; 2601. Second inclined groove; 27. Follower sleeve; 28. Second limiting post; 29. ​​Connecting rod; 30. Sliding block; 31. Push plate; 32. Spring; 33. Conical guide ring. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Furthermore, elements in this invention are referred to as being "fixed to" or "set on" another element, which may be directly on the other element or may also include an intervening element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or may also include an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations.

[0040] Please see Figures 1-11 In this embodiment of the invention, the automatically aligned wire gripping and assembly mechanism includes:

[0041] Machine base 1, and conveyor plate 2 rotatably mounted on machine base 1, limiter 3 fixed on conveyor plate 2, fixed frame 6 fixed on machine base 1, and fixed plate 7 fixed on fixed frame 6;

[0042] Also includes:

[0043] A translation mechanism is mounted on the fixed frame 6, and a fixed rod 13 is connected to the translation mechanism. A support plate 14 is fixed to the end of the fixed rod 13.

[0044] A multi-dimensional guiding mechanism is provided on the support plate 14. A floating platform 22 is connected to the multi-dimensional guiding mechanism. A clamping component is provided on the floating platform 22. The multi-dimensional guiding mechanism can control the clamping component to grasp the steel wire through the floating platform 22.

[0045] A support and control mechanism is provided on the support plate 14 to provide adjustable elastic support force for the floating platform 22.

[0046] Specifically, a tapered guide ring 33 is slidably mounted on the fixed frame 6. The sliding of the tapered guide ring 33 can be controlled by a lead screw or a cylinder, which is not limited in this application. The tapered guide ring 33 is set in a tapered opening on one side facing the clamping plate 25, and the other side is approximately equal to the cross-sectional diameter of the steel wire. When processing the nut, a hole needs to be drilled at the corresponding position of the nut, and the steel wire is inserted into the drilled hole. The bending of the end of the steel wire is controlled by bending. For this purpose, the disc feeder 4 is installed on the side wall of the machine base 1, and the conveying guide rail 5 is fixed on the disc feeder. On machine 4, the disc feeder 4 continuously conveys steel wire to the conveying guide rail 5. During steel wire assembly, the translation mechanism operates, driving the support plate 14 to move horizontally via the fixed rod 13, thereby driving the multi-dimensional guiding mechanism. The multi-dimensional guiding mechanism controls the clamping assembly to move towards the conveying guide rail 5 via the floating platform 22. During this process, the support control mechanism operates accordingly, continuously increasing the support force on the floating platform 22 to ensure the clamping assembly remains stable during steel wire clamping, preventing any deviation in the steel wire's position. After clamping, the translation mechanism controls the support plate 14 to move towards the nut fixed on the limiter 3 via the fixed rod 13. At this time, the support control mechanism operates again, gradually reducing the support force on the floating platform 22. Since the steel wire may slightly bend during conveying or production, and the multi-dimensional guiding mechanism itself may slightly deviate, the steel wire and the hole formed on the nut may be slightly misaligned. If a direct action is applied to control the steel wire to insert into the nut's hole, it will inevitably cause the steel wire to bend. To address the issue of wire not being able to enter, during the wire movement process, the end of the wire will first contact the conical surface of the tapered guide ring 33. Guided by the conical surface of the tapered guide ring 33, the wire is controlled to move and align with the hole on the nut, thus ensuring that the wire is smoothly inserted into the hole. After insertion, the clamping assembly releases the wire. At this time, the tapered guide ring 33 can be controlled to move away from the limiter 3, so that the wire is completely separated from the tapered guide ring 33. Under the action of the conveyor plate 2, the limiter 3 is controlled to move to the next bending processing area for bending.

[0047] Please see Figures 1-5 The translation mechanism includes a vertical cylinder 10 fixed on the fixed frame 6. A movable plate 11 is fixed to the end of the vertical cylinder 10. A first inclined groove 1101 is formed on the movable plate 11. The translation mechanism also includes a guide post 8 fixed on the fixed plate 7. A sliding sleeve 9 is axially slidable on the guide post 8. The sliding sleeve 9 is fixedly connected to the fixed rod 13. A first limiting post 12 is fixed on the side wall of the sliding sleeve 9 and slides into the first inclined groove 1101.

[0048] In detail, in the initial state, under the action of the vertical cylinder 10, the movable plate 11 controls the first limiting post 12 to be located at the center of the first inclined groove 1101. Under the action of the first limiting post 12 and the first inclined groove 1101, the sliding sleeve 9 is located at the center of the guide post 8. When it is necessary to assemble the steel wire, under the action of the vertical cylinder 10, the movable plate 11 is controlled to move away from the machine 1, thereby driving the first inclined groove 1101 to move. Under the action of the first limiting post 12, the vertical movement of the movable plate 11 is converted into the horizontal movement of the sliding sleeve 9 along the axial direction of the guide post 8 controlled by the first limiting post 12. The sliding sleeve 9 moves away from the limiter 3. The sliding sleeve 9 also drives the support plate 14 to move through the fixed rod 13, thereby driving the clamping assembly to move towards the conveying guide rail 5 through the multi-dimensional guiding mechanism and the floating platform 22.

[0049] When the clamping assembly moves to the clamping position, the vertical cylinder 10 stops operating. When the clamping assembly completes the clamping action, the vertical cylinder 10 controls the movable plate 11 to move downward, so as to control the sliding sleeve 9 to move along the axial direction of the guide post 8 toward the direction close to the limiter 3 through the first inclined groove 1101 and the first limit post 12, thereby conveying the steel wire to the designated assembly position.

[0050] Please see Figures 5-9 The multi-dimensional guiding mechanism includes a first support rod 15 fixed on the support plate 14, a first movable sleeve 16 slidably connected to the first support rod 15, a first connecting plate 17 fixed to the side wall of the first movable sleeve 16, and a first slot 1701 formed on the first connecting plate 17. The multi-dimensional guiding mechanism also includes a second support rod 18 fixed on the support plate 14, a second movable sleeve 19 slidably connected to the second support rod 18, a second connecting plate 20 fixed to the side wall of the second movable sleeve 19, a second slot 2001 formed on the second connecting plate 20, and a sliding plate 21 slidably fitted into the second slot 2001, the sliding plate 21 being fixedly connected to the floating platform 22.

[0051] Please see Figures 5-9 , Figure 11 The clamping assembly includes a second slide groove 2201 formed on the floating platform 22 and arranged symmetrically. A push block 24 is slidably installed in the second slide groove 2201. A clamping plate 25 is fixed on the push block 24. A double-headed cylinder 23 fixedly connected to the push block 24 is fixed on the floating platform 22.

[0052] Please see Figures 5-10The support and adjustment mechanism includes a limiting plate 26 fixed on the fixed plate 7, a second inclined groove 2601 formed on the limiting plate 26, a follower sleeve 27 slidably mounted on the fixed rod 13, and a second limiting post 28 fixed to the side wall of the follower sleeve 27 and slidably engaged with the second inclined groove 2601; it also includes a sliding component and an elastic component disposed on the support plate 14 and connected to the follower sleeve 27, the sliding component including a plurality of first sliding grooves 14 formed on the support plate 14 and equidistantly distributed circumferentially along the fixed rod 13. 01. A sliding block 30 is slidably installed in the first sliding groove 1401. A connecting rod 29, which is hinged to the sliding block 30 and is hinged to the follower sleeve 27, is provided on the sliding block 30. The elastic component includes a plurality of push plates 31 fixed on the sliding block 30 and slidably connected to the first support rod 15 and the second support rod 18 respectively. A spring 32 is sleeved on the first support rod 15 and the second support rod 18 respectively. One end of the spring 32 abuts against the push plate 31, and the other end abuts against the first movable sleeve 16 and the second movable sleeve 19 respectively.

[0053] Furthermore, the first support rod 15 and the second support rod 18 are symmetrically arranged, have the same size, and are distributed on the four corners of the support plate 14 respectively. The first support rod 15 and the second support rod 18 are perpendicular to each other, so that the first connecting plate 17 and the second connecting plate 20 are perpendicular to each other. Since the sliding plate 21 is slidably engaged with the first slot 1701 and the second slot 2001 respectively, the sliding plate 21 can move freely on the horizontal plane formed by the combination of the first support rod 15 and the second support rod 18.

[0054] Please see Figure 8 , Figure 9In the initial state, the first movable sleeve 16 is located at the center of the first support rod 15, the second movable sleeve 19 is located at the center of the second support rod 18, the first limiting post 12 is located at the center of the first inclined groove 1101, and the corresponding second limiting post 28 is located at the center of the second inclined groove 2601. Under the action of the second limiting post 28 and the second inclined groove 2601, the follower sleeve 27 is located at the center of the fixed rod 13. The follower sleeve 27 will control the sliding block 30 to be located in the middle position of the first sliding groove 1401 via the connecting rod 29. Under the action of the sliding block 30, the distance between the two push plates 31 is moderate, and the two push plates 31 on the first support rod 15 are positioned in relation to the first support rod 18. The spacing between the movable sleeves 16 is equal, the spacing between the two push plates 31 on the second support rod 18 and the second movable sleeve 19 is equal, and the spacing between the two push plates 31 on the first support rod 15 is equal to the spacing between the two push plates 31 on the second support rod 18. The elongation of the spring 32 in its natural state is greater than half the axial length of the first support rod 15. Therefore, the spring 32 is in a pre-compressed state. Since the springs 32 are symmetrically arranged, the thrust applied by the two sets of springs 32 to the first movable sleeve 16 and the second movable sleeve 19 cancels each other out, so that the first movable sleeve 16 and the second movable sleeve 19 remain relatively stable on the first support rod 15 and the second support rod 18, respectively.

[0055] In this state, the center positions of the first connecting plate 17 and the second connecting plate 20 are staggered, so that the sliding plate 21 is located at the center position of the plane formed by the combination of the first support rod 15 and the second support rod 18.

[0056] Under the action of the double-headed cylinder 23, the two push blocks 24 are located at the end of the stroke on one side of the second slide groove 2201, and the distance between the two push blocks 24 is the largest. Under the action of the push blocks 24, the distance between the two clamping plates 25 is the largest and is greater than the cross-sectional diameter of the steel wire.

[0057] When the steel wire needs to be clamped, the translation mechanism drives the support plate 14 to move the clamping assembly toward the conveying guide rail 5. During this movement, the fixed rod 13 and the support plate 14 on it move in the direction of the conveying guide rail 5, while the limiting plate 26 remains stationary. Since the second limiting post 28 is slidably fitted into the second inclined groove 2601 of the limiting plate 26, the forward movement of the support plate 14 causes the second limiting post 28 to be displaced relative to the second inclined groove 2601. The inclined wall of the second inclined groove 2601 decomposes the horizontal displacement of the support plate 14 into a normal component force that forces the follower sleeve 27 to slide away from the support plate 14 along the axis of the fixed rod 13. Therefore, the follower sleeve 27 will slide along the axial direction of the fixed rod 13 and move away from the support plate 14.

[0058] The follower sleeve 27 will drive the sliding block 30 to slide along the first slide groove 1401 via the connecting rod 29, and move synchronously in a straight line towards the center of the support plate 14 (i.e., moving closer to each other). At this time, the sliding block 30 drives the push plate 31 to slide synchronously towards each other along the axial direction of the first support rod 15 and the second support rod 18, thereby further compressing the spring 32.

[0059] The increased elastic potential energy of the spring 32 is converted into a stronger, center-directed binding force on the first movable sleeve 16 and the second movable sleeve 19 through the push plate 31. Under this enhanced preload, the sliding resistance of the first movable sleeve 16 and the second movable sleeve 19 on their respective first support rod 15 and second support rod 18 increases significantly, thus becoming extremely stable. Since the floating platform 22 is connected to the first movable sleeve 16 and the second movable sleeve 19 through the sliding plate 21, any tendency of the floating platform 22 and the entire clamping assembly on it to move freely in the horizontal plane is strongly suppressed.

[0060] In response, when the clamping plate 25 moves to the clamping position, the double-headed cylinder 23 is activated, driving the two push blocks 24 and the clamping plate 25 to move towards each other to clamp the steel wire. Since the entire clamping system is in a near-rigid locked state, it ensures that the clamping action itself will not introduce additional shaking or displacement. This ensures that the clamping plate 25 will not be misaligned with the steel wire during the clamping process, and under the action of the inclined surface of the clamping plate 25, the steel wire is forcibly guided into the center position of the two clamping plates 25, thereby ensuring the accuracy of subsequent assembly.

[0061] After the clamping action is completed, the translation mechanism reverses the drive, and the support plate 14 begins to move the clamping assembly with the clamped steel wire toward the nut on the limiter 3. The movement of the support plate 14, through the cooperation of the second inclined groove 2601 and the second limit post 28, generates a component force that drives the follower sleeve 27 to slide toward the support plate 14, so that the follower sleeve 27 slides toward the support plate 14 and pushes the four sliding blocks 30 to move outward (away from each other) along the first sliding groove 1401 through the connecting rod 29. The outward movement of the sliding blocks 30 drives the push plate 31 away from the corresponding first movable sleeve 16 and second movable sleeve 19, so that the compressed spring 32 begins to gradually release its elastic potential energy, and the pre-tightening binding force applied to the first movable sleeve 16 and the second movable sleeve 19 also decreases synchronously and linearly.

[0062] In this way, when the steel wire contacts the tapered guide ring 33, the floating platform 22 and the clamping assembly gradually transition from the "rigid locking" mode to the "flexible floating" mode. If the steel wire itself is straight and perfectly aligned with the hole on the nut, it will pass straight through the tapered guide ring 33. At this time, the reduced support force only provides the necessary stable following and does not affect normal insertion.

[0063] If the steel wire has a slight bend or a small centering deviation, its front end will contact the conical surface of the tapered guide ring 33. The conical surface applies a radial corrective force to the steel wire. At this time, since the binding force applied to the first movable sleeve 16 and the second movable sleeve 19 has been greatly reduced, the corrective force is sufficient to overcome the reduced sliding friction resistance between the first movable sleeve 16 and the second movable sleeve 19 and the corresponding first support rod 15 and the second support rod 18, thereby allowing the first movable sleeve 16 and the second movable sleeve 19 to produce a small amount of compliant axial sliding, which is directly converted into a small translation or deflection of the floating platform 22 and the clamping assembly in the horizontal plane.

[0064] In this way, the clamping plate 25 holding the steel wire can follow the positional changes of the front end of the steel wire as guided by the conical surface in real time, without forming a rigid constraint on the steel wire. This avoids the steel wire being forced to bend or get stuck between the clamping point and the contact point of the conical surface due to the clamping point being fixed during the correction process. Moreover, the clamping point adaptively adjusts its own position to always ensure that the steel wire is in a natural state without additional bending moment. This ensures that the correction force can most effectively guide the steel wire to the center outlet of the conical guide ring 33 and finally align it precisely with the hole on the nut, achieving smooth and damage-free insertion.

[0065] Since the steel wire is continuously conveyed by the conveying guide rail 5, if the steel wire is slightly bent during the conveying process, it will move to the clamping position in a horizontally bent and flat state under the influence of gravity. In this way, when the clamping plate 25 cooperates with the tapered guide ring 33, it is only necessary to correct the horizontal bend.

[0066] The automatic nut production equipment includes the aforementioned automatic centering wire gripping and assembly mechanism.

[0067] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0068] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic centering wire gripping and assembly mechanism, comprising: The machine base, and the conveyor plate rotatably mounted on the machine base, the conveyor plate is fixed with a limiter, the machine base is fixed with a fixed frame, and the fixed frame is fixed with a fixed plate. Its characteristic is that it further includes: A translation mechanism is mounted on the fixed frame, and a fixed rod is connected to the translation mechanism. A support plate is fixed to the end of the fixed rod. A multi-dimensional guiding mechanism is mounted on the support plate, and a floating platform is connected to the multi-dimensional guiding mechanism. A clamping component is mounted on the floating platform, and the multi-dimensional guiding mechanism can control the clamping component to grip the steel wire through the floating platform. A support and control mechanism is provided on the support plate to provide adjustable elastic support force for the floating platform; The translation mechanism includes a vertical cylinder fixed on the fixed frame, and a movable plate is fixed to the end of the vertical cylinder, with a first inclined groove formed on the movable plate; The multidimensional guiding mechanism includes a first support rod fixed on the support plate, a first movable sleeve that slides axially on the first support rod, a first connecting plate that is fixed to the side wall of the first movable sleeve, and a first slot formed on the first connecting plate. The multidimensional guiding mechanism further includes a second support rod fixed on the support plate. The second support rod has a second movable sleeve that slides axially. A second connecting plate is fixed to the side wall of the second movable sleeve. A second slot is formed on the second connecting plate. A sliding plate that slides and engages with the first slot is slidably installed in the second slot. The sliding plate is fixedly connected to the floating platform. The support and control mechanism includes a limiting plate fixed on the fixed plate, a second inclined groove formed on the limiting plate, a follower sleeve slidably on the fixed rod, and a second limiting post fixed on the side wall of the follower sleeve that slidably engages with the second inclined groove. It also includes a sliding component and an elastic component disposed on the support plate and connected to the follower sleeve.

2. The automatic centering wire gripping and assembly mechanism according to claim 1, characterized in that, The translation mechanism further includes a guide post fixed on the fixed plate, a sliding sleeve that slides axially on the guide post, the sliding sleeve being fixedly connected to the fixed rod, and a first limiting post that slides and engages with the first inclined groove on the side wall of the sliding sleeve.

3. The automatic centering wire gripping and assembly mechanism according to claim 1, characterized in that, The clamping assembly includes a second slide groove formed on the floating platform and arranged symmetrically. A push block is slidably installed in the second slide groove. A clamping plate is fixed on the push block. A double-headed cylinder fixedly connected to the push block is fixed on the floating platform.

4. The automatic centering wire gripping and assembly mechanism according to claim 1, characterized in that, The sliding assembly includes a plurality of first sliding grooves formed on the support plate and equidistantly distributed around the fixed rod. A sliding block is slidably installed in the first sliding groove, and a connecting rod hinged to the sliding block and hinged to the follower sleeve.

5. The automatic centering wire gripping and assembly mechanism according to claim 4, characterized in that, The elastic component includes a plurality of push plates fixed on the sliding block and slidably connected to the first support rod and the second support rod respectively. Springs are respectively sleeved on the first support rod and the second support rod. One end of the spring abuts against the push plate, and the other end abuts against the first movable sleeve and the second movable sleeve respectively.

6. An automatic nut production equipment, characterized in that, Includes the automatic centering wire gripping and assembly mechanism as described in any one of claims 1-5.

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