Full-automatic straightening, cutting and sharpening compound equipment for arc-shaped suture needle

Abstract

The application discloses a kind of arc curved suture needle full-automatic straightening cutting and grinding tip composite equipment, including rack and material collecting tank, the top of the rack is installed with straightening frame, the top of the rack is installed with traction frame on the one side of straightening frame, the top of the rack is installed with cutting frame on the one side of traction frame, the top of the rack is installed with slope frame on the one side of cutting frame, the outer wall on the both sides of slope frame is installed with baffle, the top of the rack is provided with slot disc on the one side of slope frame, the top of the rack is provided with slot rubber wheel on the one side of slot disc.The application not only realizes that straightening, fixed-length traction, accurate cutting, linkage conveying and synchronous grinding are integrated, fixed-length feeding, cutting, conveying and grinding are integrated, but also realizes full-automatic assembly line operation, significantly improves processing efficiency and size consistency, reduces manual intervention, is suitable for mass production, improves production efficiency and quality consistency.

Description

Technical Field

[0001] This invention relates to the field of straightening, cutting and sharpening composite equipment, specifically a fully automatic straightening, cutting and sharpening composite equipment for curved suture needles. Background Technology

[0002] Medical sutures are crucial medical instruments used in surgical procedures to suture tissues, and their manufacturing precision directly affects surgical outcomes and patient recovery. Curved sutures, due to their superior operative field of vision and tissue adaptability in laparoscopic surgery and deep tissue suturing, have become one of the most widely used needle types in clinical practice. These sutures are typically made from stainless steel wire, processed through multiple steps including straightening, cutting, sharpening, and bending.

[0003] In the current production and processing of curved suture needles, the straightening, cutting, and sharpening processes are usually completed in separate steps, with each process relying on manual transfer or semi-automatic transition devices for connection. This has the following shortcomings: Currently, most manufacturers still use a step-by-step processing model. After straightening, the raw materials are manually transported to the cutting process, and the cut billets are then transferred to the grinding process. The switching between processes is time-consuming and requires a large amount of manual labor, making it difficult to meet the needs of mass production. Some companies have introduced automated drilling equipment, but the three core processes of straightening, cutting, and grinding still cannot be operated continuously.

[0004] Existing needle sharpening equipment is mostly an independent single-machine device, such as a sharpening and polishing machine with a coarse grinding belt and a polishing belt set in parallel. The operator holds the needle by hand to sharpen it. The uniformity of sharpening depends on the operator's skill level, and the product consistency is poor. Although there have been studies on using transfer rollers and airbags to transfer and fix the needle to improve the sharpening effect, there is a lack of linkage between it and the upstream straightening and cutting processes, which makes it impossible to form a continuous production line operation. Summary of the Invention

[0005] The purpose of this invention is to provide a fully automatic straightening, cutting, and sharpening composite device for curved suture needles, in order to solve the problems mentioned in the background art, such as the inconvenience of integrating straightening, fixed-length traction, precise cutting, linkage conveying, and synchronous sharpening into one unit, the inconvenience of fixed-length feeding, cutting, and simultaneous conveying and sharpening, the inconvenience of fully automatic assembly line operation, which affects processing efficiency and dimensional consistency, and the consistency of production efficiency and quality.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a fully automatic straightening, cutting, and sharpening composite device for curved suture needles, comprising a frame and a collection box. A straightening frame is installed at the top of the frame, a traction frame is installed at the top of the frame on one side of the straightening frame, a cutting frame is installed at the top of the frame on one side of the traction frame, a ramp frame is installed at the top of the frame on one side of the cutting frame, baffles are installed on the outer walls of both sides of the ramp frame, a slotted plate is provided at the top of the frame on one side of the ramp frame, and a slotted rubber is provided at the top of the frame on one side of the slotted plate. The machine has a wheel, a discharge plate installed on the top of the frame on one side of the grooved rubber wheel, a collection box installed on the outside of the frame on one side of the discharge plate, an electric wheel installed inside the frame below the grooved rubber wheel, an arc-shaped sand disc fitted on the surface of the electric wheel, a power shaft fitted on the surface of the grooved rubber wheel and movably connected to the frame, a large gear fitted on the surface of the power shaft on one side of the grooved rubber wheel, a dual-axis motor installed on the top of the frame on the side of the large gear, a small gear installed at one end of the dual-axis motor and meshing with the large gear.

[0007] Preferably, the other end of the dual-axis motor is provided with a pulley assembly, the surface of the slot plate is fitted with an extension shaft, the extension shaft is movably connected to the frame, and the pulley assembly extends to the surface of the extension shaft.

[0008] Preferably, an arc-shaped disc is installed inside the frame below the slotted rubber wheel, a discharge disc is installed at the top of the frame on one side of the arc-shaped disc, a limit block is provided on the outside of the frame above the slotted disc, and a locking block is provided on the outside of the frame on one side of the limit block.

[0009] Preferably, a custom gear plate is fitted on the extended shaft surface on one side of the pulley assembly, a guide shaft is fixedly fitted on the top of the engaging block, a positioning seat is symmetrically and movably fitted on the surface of the guide shaft, the positioning seat is fixedly connected to the frame, and the limiting block is connected to a set of positioning seats.

[0010] Preferably, a guide frame is fixed to the guide shaft surface above the custom gear plate, and a custom latch is fixed to the bottom end of the guide frame.

[0011] Preferably, the straightening frame has a rotating ring inside, and hollow shafts are fixed at both ends of the rotating ring. The hollow shafts are movably connected to the straightening frame. A worm gear is fitted on the surface of a set of hollow shafts. A stepper motor is installed on the outer wall of the straightening frame below the worm gear. A worm is installed at the output end of the stepper motor, and the worm and the worm gear mesh with each other.

[0012] Preferably, the rotating ring has multiple sets of equally spaced swing blocks inside, each swing block has a locking shaft slidably disposed at both ends, and the locking shaft is fixedly connected to the rotating ring. Each swing block has a hollow groove at its center.

[0013] Preferably, a support frame is installed on the outer wall of the cutting frame, a positioning groove is provided inside the cutting frame, a positioning shaft is installed inside the support frame on one side of the positioning groove, a cutter is movably fitted on the surface of the positioning shaft, and a second arm is fixed on the outer wall of the cutter.

[0014] Preferably, an electric push rod is installed inside the support frame on one side of the second arm, and the output end of the electric push rod is equipped with the first arm, and the first arm is movably connected to the second arm.

[0015] Preferably, two sets of traction wheels are movably mounted on the outer wall of the traction frame, and a servo motor is mounted on the outer wall of the traction frame on one side of one set of traction wheels. The output end of the servo motor is equipped with a traction shaft, and the traction shaft is connected to the traction wheel. A PLC controller is mounted on the outer wall of the frame, and the output end of the PLC controller is electrically connected to the input end of the servo motor, electric push rod, dual-axis motor, and electric wheel.

[0016] Compared with the prior art, the beneficial effects of the present invention are: The equipment integrates multiple processes such as straightening, traction, cutting, conveying, grinding, and material collection into one machine. Through the PLC controller, it coordinates various actuators (servo motors, electric push rods, dual-axis motors, electric wheels, etc.) to achieve fully automated assembly line operation, greatly reducing manual intervention and labor intensity. The system employs a dual-axis motor to simultaneously drive the slotted disc and the slotted rubber wheel, along with a linkage mechanism consisting of a custom-designed toothed disc, custom-designed tongue, and locking blocks, to achieve orderly and limited conveying of materials. Simultaneously, the electric wheel drives an arc-shaped sanding disc to continuously grind the conveyed materials, achieving "grinding while conveying," which effectively improves processing efficiency and surface consistency. The bent raw material is rotated and straightened by the swing block and hollow groove structure in the straightening frame. Combined with the positioning groove and cutter of the cutting frame, it is precisely cut. Then, through multiple limiting guidance by the slotted plate, slotted rubber wheel, arc plate and limiting block, the positional accuracy of the material is ensured during the grinding process, so as to obtain a uniform grinding effect.

[0017] The equipment has a compact overall structure and smooth operation. It can continuously process a large number of curved suture needle raw materials and automatically collect them into the collection box, meeting the needs of batch and large-scale production and improving production capacity.

[0018] The stepper motor drives the worm gear to rotate the rotating ring, causing multiple sets of swing blocks to slide periodically under the constraint of the clamping shaft. This applies a multi-directional and uniform straightening effect to the suture needle material passing through the hollow groove, which can effectively eliminate the bending stress and irregular deformation of the material and improve the straightening quality.

[0019] Raw materials enter from a set of hollow shafts, pass through multiple hollow slots, and exit from another set of hollow shafts. This allows for seamless connection between the preceding and following traction and cutting processes, enabling continuous straightening without stopping the machine and adapting to automated production lines.

[0020] The electric push rod drives the second arm through the first arm, causing the cutter to rotate around the positioning axis, forming a lever-type shearing action. This results in a rapid response and concentrated cutting force. Combined with the limiting effect of the positioning groove and the cutting frame, it ensures a smooth cut without burrs and does not damage the straightened part. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the arc-shaped sand disc of the present invention; Figure 3 This is a side cross-sectional view of the card slot disk structure of the present invention; Figure 4 This is a schematic diagram of the front cross-sectional structure of the rotating ring of the present invention; Figure 5 This is a three-dimensional structural diagram of the discharge disc of the present invention; Figure 6 This is a three-dimensional structural diagram of the large gear of the present invention; Figure 7 This is a three-dimensional structural diagram of the customized toothed disc of the present invention; Figure 8 This is a side sectional view of the traction frame structure of the present invention; Figure 9 This is a three-dimensional structural diagram of the support frame of the present invention; Figure 10 This is a three-dimensional structural diagram of the cutting frame of the present invention; Figure 11 This is a three-dimensional structural diagram of the traction wheel of the present invention; Figure 12 This is a three-dimensional structural diagram of the card-connecting block of the present invention; Figure 13 This is a schematic diagram of the three-dimensional structure of the arc-shaped disk of the present invention.

[0022] In the diagram: 1. Frame; 2. Collection box; 3. PLC controller; 4. Straightening frame; 5. Traction frame; 6. Cutting frame; 7. Inclined frame; 8. Baffle; 9. Slotted disc; 10. Extended shaft; 11. Pulley assembly; 12. Dual-axis motor; 13. Pinion gear; 14. Large gear; 15. Drive shaft; 16. Slotted rubber wheel; 17. Arc-shaped disc; 18. Discharge disc; 19. Limit block; 20. Engaging block; 21. Stepper motor; 22. Worm gear; 23. worm gear 24. Wheel; 25. Hollow shaft; 26. Clamping shaft; 27. Rotating ring; 28. Swing block; 29. ​​Hollow groove; 30. Positioning groove; 31. Support frame; 32. Electric push rod; 33. First arm; 34. Second arm; 35. Cutter; 36. Positioning shaft; 37. Custom gear plate; 38. Guide frame; 39. Custom clamping tongue; 40. Guide shaft; 41. Positioning seat; 42. Electric wheel; 43. Arc-shaped sand disc; 44. Servo motor; 45. Traction wheel; 46. Traction shaft. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0024] Please see Figure 1-13 One embodiment of the present invention provides an automated straightening, cutting, and sharpening composite device for curved suture needles, comprising a frame 1 and a collection box 2. A straightening frame 4 is installed at the top of the frame 1. A traction frame 5 is installed at the top of the frame 1 on one side of the straightening frame 4. A cutting frame 6 is installed at the top of the frame 1 on one side of the traction frame 5. An inclined frame 7 is installed at the top of the frame 1 on one side of the cutting frame 6. Baffles 8 are installed on the outer walls of both sides of the inclined frame 7. A slotted plate 9 is provided at the top of the frame 1 on one side of the inclined frame 7. A slotted rubber wheel 16 is provided at the top of the frame 1 on one side of the slotted plate 9. A discharge plate 18 is installed at the top of the frame 1. A collection box 2 is set on the outside of the frame 1 on one side of the discharge plate 18. An electric wheel 41 is installed inside the frame 1 below the groove rubber wheel 16. An arc-shaped sand disc 42 is fitted on the surface of the electric wheel 41. A power shaft 15 is fitted on the surface of the groove rubber wheel 16 and is movably connected to the frame 1. A large gear 14 is fitted on the surface of the power shaft 15 on one side of the groove rubber wheel 16. A dual-axis motor 12 is installed at the top of the frame 1 on one side of the large gear 14. A small gear 13 is installed at one end of the dual-axis motor 12 and meshes with the large gear 14. The other end of the dual-axis motor 12 is provided with a pulley assembly 11. An extension shaft 10 is fitted on the surface of the slot disc 9 and is movably connected to the frame 1. The pulley assembly 11 extends to the surface of the extension shaft 10. An arc-shaped disc 17 is installed inside the frame 1 below the slot rubber wheel 16. A discharge disc 18 is installed on the top of the frame 1 on one side of the arc-shaped disc 17. A limit block 19 is provided on the outside of the frame 1 above the slot disc 9. A locking block 20 is provided on the outside of the frame 1 on one side of the limit block 19. A custom gear plate 36 is fitted on the surface of the extended shaft 10 on one side of the pulley assembly 11. A guide shaft 39 is fixedly fitted on the top of the locking block 20. A positioning seat 40 is symmetrically and movably fitted on the surface of the guide shaft 39. The positioning seat 40 is fixedly connected to the frame 1. The limiting block 19 is connected to a set of positioning seats 40. A guide frame 37 is fixed on the surface of the guide shaft 39 above the custom gear plate 36. A custom latch 38 is fixed at the bottom of the guide frame 37. The material, bent by the curved sewing needle, is drawn into the straightening frame 4, then into the traction frame 5, which provides power. It is then drawn into the cutting frame 6, exited through the positioning slot 29, and cut by the cutter 34. Under gravity, the material falls onto the surface of the inclined frame 7, where it is stopped by the baffle 8 and enters the surface of the slot plate 9. The PLC controller 3 activates the dual-axis motor 12, which is driven by the pulley assembly 11. The extended shaft 10 rotates, and under the support of the frame 1, the extended shaft 10 drives the slotted disc 9 to rotate. The dual-shaft motor 12 drives the large gear 14 to rotate via the small gear 13. The large gear 14 drives the slotted rubber wheel 16 to rotate via the power shaft 15. The slotted disc 9 clamps the material into its internal slot. Under the limiting of the clamping block 20 and the limiting block 19, the slotted disc 9 rotates counterclockwise. Under the limiting of the arc-shaped disc 17, the material enters between the arc-shaped disc 17 and the slotted rubber wheel 16. The slotted rubber wheel 16 rotates clockwise. As the needle rotates, under the limiting position of the slotted rubber wheel 16 and the arc-shaped disc 17, the PLC controller 3 activates the electric wheel 41. The electric wheel 41 drives the arc-shaped sanding disc 42 to rotate, and the arc-shaped sanding disc 42 performs grinding operations on the conveyed material. Grinding occurs simultaneously with conveying. When the slotted rubber wheel 16 conveys the material to one side of the discharge disc 18, it enters the interior of the discharge disc 18 with the cooperation of the arc-shaped disc 17, and is then conveyed by the discharge disc 18 to the interior of the collection box 2. When the extended shaft 10 rotates, it drives the customized toothed disc 36. The rotating custom toothed disc 36 drives the custom clasp 38 to reciprocate. The custom clasp 38 drives the guide shaft 39 via the guide frame 37. The guide shaft 39 drives the clasp block 20 to reciprocate. The positioning seat 40 provides movable support for the guide shaft 39 to facilitate the reciprocating contact of the clasp block 20 with the clasp plate 9, thereby facilitating the limiting support of the material. This realizes the fully automatic straightening, cutting and sharpening composite equipment for arc-shaped suture needles, which is connected to the production line for conveying and grinding, and facilitates batch conveying and grinding. The straightening frame 4 has a rotating ring 26 inside. Both ends of the rotating ring 26 are fixed with hollow shafts 24, and the hollow shafts 24 are movably connected to the straightening frame 4. A set of hollow shafts 24 are fitted with worm gears 23. A stepper motor 21 is installed on the outer wall of the straightening frame 4 below the worm gears 23. A worm 22 is installed at the output end of the stepper motor 21, and the worm 22 meshes with the worm gears 23. The rotating ring 26 has multiple sets of swing blocks 27 with equal spacing inside. Both ends of the swing blocks 27 are slidably provided with retaining shafts 25, and the retaining shafts 25 are fixedly connected to the rotating ring 26 respectively. A hollow groove 28 is provided at the center of each swing block 27. The material enters the interior of the rotating ring 26 through a set of hollow shafts 24, passes through multiple sets of hollow grooves 28, and is discharged through another set of hollow shafts 24. The PLC controller 3 is operated to turn on the stepper motor 21. The stepper motor 21 drives the worm wheel 23 to rotate through the worm 22. The worm wheel 23 drives the rotating ring 26 to rotate through the hollow shaft 24. The rotating ring 26 drives multiple sets of swing blocks 27 to rotate. The swing blocks 27 slide on the surface of the clamping shaft 25 to facilitate the straightening operation of the material. A support frame 30 is installed on the outer wall of the cutting frame 6. A positioning groove 29 is provided inside the cutting frame 6. A positioning shaft 35 is installed inside the support frame 30 on one side of the positioning groove 29. A cutter 34 is movably mounted on the surface of the positioning shaft 35. A second arm 33 is fixed on the outer wall of the cutter 34. An electric push rod 31 is installed inside the support frame 30 on one side of the second arm 33. A first arm 32 is installed at the output end of the electric push rod 31, and the first arm 32 is movably connected to the second arm 33. Two sets of traction wheels 44 are movably mounted on the outer wall of the traction frame 5, and a servo motor 43 is mounted on the outer wall of the traction frame 5 on one side of a set of traction wheels 44. A traction shaft 45 is mounted on the output end of the servo motor 43, and the traction shaft 45 is connected to the traction wheel 44. A PLC controller 3 is mounted on the outer wall of the frame 1, and the output end of the PLC controller 3 is electrically connected to the input end of the servo motor 43, the electric push rod 31, the dual-axis motor 12, and the electric wheel 41. The size of the cut is controlled by the amount conveyed by the traction wheel 44. The PLC controller 3 is operated to turn on the servo motor 43. The servo motor 43 drives the traction wheel 44 to rotate through the traction shaft 45. The cooperation of the two sets of traction wheels 44 facilitates the conveying. When cutting is required, the PLC controller 3 is operated to turn on the electric push rod 31. Under the support of the support frame 30, the electric push rod 31 drives the second arm 33 to rotate through the first arm 32. The second arm 33 drives the cutter 34 to rotate around the positioning shaft 35. Under the limit of the positioning groove 29 and the cutting frame 6, the cutting is facilitated.

[0025] In this embodiment of the application, to achieve the coordinated operation of the above-mentioned functional modules, the PLC controller 3 can be a commercially available conventional control device, such as the SIMATIC S7-1500. The PLC controller 3 is electrically connected to each electrical component via wires. Based on signals from various sensors, the PLC controller 3 drives the corresponding actuators according to preset logic (such as threshold comparison and timing control). The hydraulic / air / power supply, pipelines / wires, and control valves / switches required for its operation are all commercially available conventional products. The specific implementation of the control circuit is a conventional technique in this field and will not be elaborated here. The dual-axis motor 12 drives the extended shaft 10 to rotate via the pulley assembly 11. The extended shaft 10 drives the slotted disc 9 to rotate. The large gear 14 drives the slotted rubber wheel 16 to rotate via the power shaft 15. The slotted disc 9 clamps the material into its internal slot. The slotted disc 9 rotates counterclockwise, and the material enters between the arc-shaped disc 17 and the slotted rubber wheel 16. The slotted rubber wheel 16 rotates clockwise, and the arc-shaped sanding disc 42 performs a grinding operation on the conveyed material. Grinding is carried out simultaneously with conveying. When the slotted rubber wheel... When wheel 16 drives the material conveyor to one side of the discharge plate 18, the material enters the interior of the discharge plate 18 with the cooperation of the arc-shaped plate 17, and is conveyed to the interior of the collection box 2 by the discharge plate 18. When the extended shaft 10 rotates, it drives the customized gear plate 36 to rotate. The customized gear plate 36 drives the customized latch 38 to reciprocate. The guide shaft 39 drives the locking block 20 to reciprocate, so that the locking block 20 can reciprocate to touch the locking groove plate 9, so as to facilitate the limiting support of the material. The stepper motor 21 drives the worm wheel 23 to rotate through the worm gear 22. The worm wheel 23 rotates through the hollow shaft 24. The rotating ring 26 drives multiple sets of swing blocks 27 to rotate. The swing blocks 27 slide on the surface of the clamping shaft 25 to facilitate the straightening of the material. The servo motor 43 drives the traction wheel 44 to rotate through the traction shaft 45. With the cooperation of the two sets of traction wheels 44, the material is easily conveyed. The electric push rod 31 drives the second arm 33 to rotate through the first arm 32. The second arm 33 drives the cutter 34 to rotate around the positioning shaft 35. Under the limit of the positioning groove 29 and the cutting frame 6, the material is easily cut to complete the use of the straightening, cutting and sharpening composite equipment.

Claims

1. A fully automatic straightening, cutting, and sharpening composite device for curved suture needles, characterized in that: The machine includes a frame (1) and a collection box (2). A straightening frame (4) is installed at the top of the frame (1). A traction frame (5) is installed at the top of the frame (1) on one side of the straightening frame (4). A cutting frame (6) is installed at the top of the frame (1) on one side of the traction frame (5). A ramp frame (7) is installed at the top of the frame (1) on one side of the cutting frame (6). Baffles (8) are installed on the outer walls on both sides of the ramp frame (7). A slotted plate (9) is provided at the top of the frame (1) on one side of the ramp frame (7). A slotted rubber wheel (16) is provided at the top of the frame (1) on one side of the slotted plate (9). A discharge plate (18) is installed at the top of the frame (1) on one side of the slotted rubber wheel (16). A collection box (2) is provided on the outside of the frame (1) on one side of the discharge plate (18). An electric wheel (41) is installed inside the frame (1) below the groove rubber wheel (16). An arc-shaped sand disc (42) is fitted on the surface of the electric wheel (41). A power shaft (15) is fitted on the surface of the groove rubber wheel (16), and the power shaft (15) is movably connected to the frame (1). A large gear (14) is fitted on the surface of the power shaft (15) on one side of the groove rubber wheel (16). A dual-axis motor (12) is installed at the top of the frame (1) on one side of the large gear (14). A small gear (13) is installed at one end of the dual-axis motor (12), and the small gear (13) meshes with the large gear (14).

2. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 1, characterized in that: The other end of the dual-axis motor (12) is provided with a pulley assembly (11), the surface of the slot disc (9) is fitted with an extension shaft (10), and the extension shaft (10) is movably connected to the frame (1), and the pulley assembly (11) extends to the surface of the extension shaft (10).

3. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 2, characterized in that: An arc-shaped disc (17) is installed inside the frame (1) below the slotted rubber wheel (16). A discharge disc (18) is installed on the top of the frame (1) on one side of the arc-shaped disc (17). A limit block (19) is provided on the outside of the frame (1) above the slotted disc (9). A locking block (20) is provided on the outside of the frame (1) on one side of the limit block (19).

4. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 3, characterized in that: A custom gear plate (36) is fitted on the surface of the extended shaft (10) on one side of the pulley assembly (11). A guide shaft (39) is fixedly fitted on the top of the locking block (20). A positioning seat (40) is symmetrically and movably fitted on the surface of the guide shaft (39). The positioning seat (40) is fixedly connected to the frame (1). The limiting block (19) is connected to a set of positioning seats (40).

5. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 4, characterized in that: A guide frame (37) is fixed to the surface of the guide shaft (39) above the custom gear plate (36), and a custom latch (38) is fixed to the bottom end of the guide frame (37).

6. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 5, characterized in that: The straightening frame (4) is provided with a rotating ring (26) inside. Both ends of the rotating ring (26) are fixed with hollow shafts (24), and the hollow shafts (24) are movably connected to the straightening frame (4). A set of hollow shafts (24) are fitted with worm gears (23). A stepper motor (21) is installed on the outer wall of the straightening frame (4) below the worm gears (23). A worm (22) is installed at the output end of the stepper motor (21), and the worm (22) meshes with the worm gears (23).

7. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 6, characterized in that: The rotating ring (26) is provided with multiple sets of swing blocks (27) at equal intervals inside. Both ends of the swing block (27) are slidably provided with a retaining shaft (25), and the retaining shaft (25) is fixedly connected to the rotating ring (26). A hollow groove (28) is provided at the center of each swing block (27).

8. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 7, characterized in that: A support frame (30) is installed on the outer wall of the cutting frame (6). A positioning groove (29) is provided inside the cutting frame (6). A positioning shaft (35) is installed inside the support frame (30) on one side of the positioning groove (29). A cutter (34) is movably mounted on the surface of the positioning shaft (35). A second arm (33) is fixed on the outer wall of the cutter (34).

9. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 8, characterized in that: An electric push rod (31) is installed inside the support frame (30) on one side of the second arm (33). The output end of the electric push rod (31) is equipped with a first arm (32), and the first arm (32) is movably connected to the second arm (33).

10. The fully automatic straightening, cutting, and sharpening composite equipment for curved suture needles according to claim 9, characterized in that: Two sets of traction wheels (44) are movably installed on the outer wall of the traction frame (5), and a servo motor (43) is installed on the outer wall of the traction frame (5) on one side of a set of traction wheels (44). A traction shaft (45) is installed at the output end of the servo motor (43), and the traction shaft (45) is connected to the traction wheel (44). A PLC controller (3) is installed on the outer wall of the frame (1), and the output end of the PLC controller (3) is electrically connected to the input end of the servo motor (43), the electric push rod (31), the dual-axis motor (12), and the electric wheel (41).

Images