Anchoring device for the treatment of a bone fracture

Abstract

The application discloses a punching device with notch trimming function for anastomat titanium nail production, and relates to the technical field of metal punching, which comprises a bending unit and an anti-abrasion unit. The bending unit comprises force applying blocks and a force receiving block, and the anti-abrasion unit comprises a rotating block and a roller. After the titanium nail is punched by a hydraulic cylinder, the titanium nail is conveyed to the bending unit. When the titanium nail is bent, the force applying blocks on both sides of the force receiving block move synchronously to the force receiving block. The titanium nail column surface generates a pushing force on the roller on the rotating block. Because the rotating block is rotationally connected with the force applying block, the rotating block rotates around the connecting point until the rollers arrayed in the rotating block completely adhere to the titanium nail column surface, that is, the two sides of the titanium nail are bent by 90 degrees. In the bending process, the roller on the rotating block converts the traditional sliding friction into rolling friction, effectively reduces the abrasion of the titanium nail surface, avoids the emergence of defects such as burrs and micro-cracks, and reduces the risk of intraoperative tissue damage and the possibility of postoperative inflammatory reaction.

Description

Technical Field

[0001] This invention relates to the field of metal punching technology, specifically a punching device for producing titanium staples for anastomosis devices with a cut trimming function. Background Technology

[0002] Titanium staples are the core component of an anastomosis device for tissue suturing, and their shape accuracy and incision smoothness directly determine the anastomosis effect and postoperative healing quality. Traditional punching devices often suffer from problems such as blade wear and uneven material stress release during titanium staple forming, leading to burrs, flash, or microcracks in the staple incision. Furthermore, burrs and microcracks also appear at the bending points when bending the staples. These defects not only increase the risk of intraoperative tissue damage but may also trigger postoperative inflammatory reactions. This invention addresses this problem by providing a punching device for anastomosis staple production with incision trimming capabilities. Summary of the Invention

[0003] The purpose of this invention is to provide a punching device for the production of titanium staples for anastomosis devices with incision trimming function, so as to solve the problems mentioned in the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solution:

[0005] The punching device includes a worktable with hydraulic cylinders mounted on it. The punching device also includes a bending unit and a wear-resistant unit.

[0006] The bending unit includes a force-applying block and a force-receiving block;

[0007] The wear-resistant unit includes a rotating block and a roller;

[0008] The force-applying block and the force-receiving block are located on both sides of the titanium nail. The force-applying block is set on both sides of the force-receiving block. The spacing between the force-applying block and the force-receiving block is equal to the diameter of the titanium nail. The rotating block is set between the force-applying block and the force-receiving block. The rotating block and the force-applying block are rotatably connected. When the rotating block is not rotating, it is parallel to the force-applying block. The roller array is set inside the rotating block. The rollers and the rotating block are rotatably connected.

[0009] During the rotation of the rotating block, the roller remains tangent to the cylindrical surface of the titanium nail.

[0010] After the hydraulic cylinder punches the titanium nail, it is transported to the bending unit. During bending, the force-applying blocks on both sides of the force-bearing block move synchronously towards the force-bearing block. The nail's cylindrical surface exerts a thrust on the rollers on the rotating block. Because the rotating block is rotatably connected to the force-applying block, it rotates around the connection point until the array of rollers within the rotating block completely conforms to the titanium nail's cylindrical surface, completing a 90° bend on both sides. During the bending process, the rollers on the rotating block convert traditional sliding friction into rolling friction, effectively reducing wear on the titanium nail surface, avoiding defects such as burrs and microcracks, and lowering the risk of intraoperative tissue damage and postoperative inflammatory reactions.

[0011] Furthermore, the bending unit also includes a force-applying block, a force-receiving block, a bending base, and a drive cylinder. The force-receiving block and the bending base are fixedly connected. The force-applying block, the force-applying block, and the force-receiving block are each fixedly connected to the output end of a drive cylinder. The output directions of all drive cylinders are parallel. All drive cylinders are fixedly connected to the bending base. The force-applying block clamps the force-receiving block in the middle. The two sides of the force-applying block and the force-receiving block are slidably connected. After the force-applying block, the force-receiving block, the force-applying block, and the force-receiving block are combined, a horizontal straight channel is formed inside that runs through the force-applying block, the force-receiving block, the force-applying block, and the force-receiving block. The straight channel is perpendicular to the output direction of the drive cylinder. An entrance is provided on one side of the bending base. The straight channel and the entrance are connected. The radius of the straight channel and the radius of the entrance are equal to the radius of the titanium nail.

[0012] The straight channel is connected to the outside world only at the entrance and exit ends. When the titanium nail to be bent has fully entered the straight channel and reached the bending position, the drive cylinder is started in batches. First, it drives the force application block and the force receiving block away from the titanium nail, and then it drives the force application blocks on both sides of the force receiving block to move towards the force receiving block in a synchronized manner to complete the bending.

[0013] Furthermore, a reset slider and a reset spring are provided on the end face of the force-applying block away from the force-applying assembly block. The reset slider and the force-applying block are slidably connected. One end of the reset spring is fixedly connected to the reset slider, and the other end of the reset spring is fixedly connected to the force-applying block.

[0014] The closer the rotation angle of the rotating block is to 90°, the greater the force exerted by the reset spring on the reset slider.

[0015] The reset slider abuts against the rotating block. The abutment position between the reset slider and the rotating block is located between the rotation axis of the rotating block and the force-bearing assembly block. After bending, the drive electric cylinder drives the force-bearing block to return to its original position. During the process of the force-bearing block returning to its original position, the reset spring pushes the reset slider to move towards the rotating block. The reset slider applies a thrust to the rotating block, forcing the rotating block to rotate, so that the angle between the rotating block and the force-bearing block gradually becomes less than 90°. With the cooperation of the force-bearing assembly block, when the force-bearing block returns to its original position, the rotating block and the force-bearing block are parallel.

[0016] Furthermore, an air suction block is provided on the end of the force application block away from the inlet side of the bending base, and the air suction block connects the external air suction machine to the straight channel.

[0017] Once the straight channel is assembled, the external suction machine is turned on, sucking the titanium nail to be bent into the straight channel and adsorbing it to the designated position.

[0018] Furthermore, a pressure feeding block is installed on the output end of the hydraulic cylinder, and a punching blade is provided on the lower end face of the pressure feeding block.

[0019] When punching titanium nails, the punching blade precisely punches the titanium nails.

[0020] Furthermore, a punching base is provided on the workbench. The punching base has an inlet and an outlet at both ends. The inlet of the punching base is located vertically above the outlet. A punching head is provided at the inlet of the punching base. The outlet of the punching base coincides with the inlet of the bending base, and the outlet diameter of the punching base is equal to the inlet radius of the bending base.

[0021] The inlet and outlet on the punching base, the inlet on the bending base, and the apertures of the conveying table and straight channel are matched with the diameter of the titanium nails to ensure that the titanium nails can be smoothly conveyed under the suction of the external suction machine.

[0022] Furthermore, a conveyor table and a return spring are installed inside the punching base. The conveyor table and the punching base are slidably connected. The bottom end of the conveyor table is fixedly connected to one end of the return spring, and the other end of the return spring is fixedly connected to the punching base. A conveying through hole is provided inside the conveyor table, and the radius of the conveying through hole is equal to the radius of the titanium nail.

[0023] When the return spring is not subjected to any force other than the weight of the conveyor table itself, the inlet of the conveyor through hole and the punching base coincide.

[0024] When the titanium nail to be punched enters through the inlet of the punching base, it first falls into the conveying through-hole of the conveyor table. At this point, the conveying through-hole coincides with the inlet of the punching base. The hydraulic cylinder drives the pressure block to move downwards. The pressure block and the punching blade descend synchronously. The punching blade first contacts the titanium nail with the pressure block, and then the lower end face of the pressure block contacts the upper end face of the conveyor table, applying downward pressure to the conveyor table and forcing the return spring to compress. As the return spring gradually compresses, the conveyor table slides downwards along the inner wall of the punching base, and the punching blade completes the punching action until the conveying through-hole coincides with the outlet of the punching base, at which point the hydraulic cylinder stops operating. Then, under the suction force generated by the external suction machine, the punched titanium nail passes through the conveying through-hole sequentially through the outlet of the punching base and the inlet of the bending base, entering the straight channel to await bending. Subsequently, the hydraulic cylinder drives the pressure block to reset upwards, the conveyor table loses downward pressure, the reset spring rebounds, pushing the conveyor table to slide upwards until the conveying through hole coincides with the inlet of the punching base again, waiting for the next titanium nail to enter, forming an automated continuous conveying cycle.

[0025] Furthermore, a cutting and trimming unit is provided below the force-bearing block. The cutting and trimming unit includes a rotating base and a backing plate. The rotating base and the backing plate are symmetrically arranged about the vertical axis of symmetry of the force-bearing block. The rotating ends of the backing plate and the rotating base are fixedly connected. The side of the backing plate facing the axis of rotation of the rotating base is arc-shaped, and the radius of the arc-shaped end face of the backing plate is larger than the radius of the titanium nail.

[0026] An air intake channel is provided inside the back panel. The inlet of the air intake channel is connected to an external suction fan, and the central axis of the outlet of the air intake channel is located on the axisymmetric plane of the arc-shaped end face of the back panel.

[0027] After the titanium nail is bent, the drive cylinder resets the force-applying block, force-applying combination block, and force-receiving combination block, releasing the constraint of the straight channel. The bent titanium nail falls to the cutting and trimming unit under gravity. When the cutting and trimming unit is not in operation, the arc-shaped end face of the backing plate faces the force-applying block. The air intake channel on the arc-shaped end face of the backing plate continuously draws in air, and the resulting airflow synchronously and stably adsorbs the two nail legs of the bent titanium nail onto the arc-shaped surface of the backing plate for subsequent trimming of the punched section.

[0028] Furthermore, the cutting and trimming unit also includes a trimming base, a trimming blade, and an impeller. The upper surface of the trimming base is inclined, and the interior of the trimming base is hollow. The impeller is set inside the trimming base, and the rotation axis of the impeller coincides with the upper surface of the trimming base. The rotating rod end of the impeller protrudes from the upper surface of the trimming base, and the trimming blade is fixedly installed on the rotating rod end of the impeller. The cutting edge of the trimming blade is parallel to the upper surface of the trimming base.

[0029] Ventilation holes are provided on the upper surface of the repair base.

[0030] The external suction fan and the dressing base are internally connected by piping. The impeller's rotor is rotatably connected to the dressing base via a bearing, while simultaneously sliding between the rotor and the inner wall of the bearing. The sliding direction is perpendicular to the bearing's rotation plane. When the impeller rotates, the resulting airflow thrust pushes it upwards, causing the dressing blade's cutting edge to conform to the punched section of the titanium nail. The impeller's rotation also drives the dressing blade to rotate at high speed, finely grinding and dressing the punched section of the titanium nail, removing any tiny burrs and irregular edges that may have been generated during the punching process. A vent on the upper surface of the dressing base connects its interior to the outside, ensuring the impeller can rotate. After dressing is complete, the external suction fan stops supplying air to the suction channel of the backing plate, the titanium nail loses its suction force, and then the base rotates, causing the backing plate to rotate 180°, no longer obstructing the transport of the titanium nail.

[0031] Furthermore, an output unit is also provided below the force-bearing block;

[0032] The output unit includes a conveyor frame, conveyor rollers, a conveyor belt, and a conveyor motor. The conveyor belt is horizontally positioned, and the output center axis of the conveyor belt coincides with the bending center axis of the titanium nail in the vertical direction and is perpendicular to the center axis of the straight channel. The two ends of the conveyor belt are located on both sides of the force-bearing block, and the two ends of the conveyor belt are respectively sleeved on a conveyor roller. The two ends of the conveyor roller are rotatably connected to the conveyor frame. One conveyor frame is fixedly connected to the worktable, and the other conveyor frame is fixedly connected to the bending base. The conveyor motor is fixedly connected to the conveyor frame, and the output end of the conveyor motor is fixedly connected to one end of the conveyor roller.

[0033] The conveyor frame provides stable support for the conveyor rollers and conveyor belt. When the conveyor motor starts, it drives the conveyor rollers to rotate, which in turn drives the conveyor belt to transport the titanium nails. After the titanium nails are bent, the drive cylinder resets the force application block, force application combination block, and force receiving combination block, releasing the constraint of the straight channel. The bent titanium nails fall onto the conveyor belt under gravity and are then transported to the cutting and trimming unit for trimming. During the trimming of the titanium nail cuts, the arc-shaped end face of the backing plate is opposite to the conveyor belt's transport direction, hindering the conveyor belt from transporting the titanium nails. After the trimming is completed, the rotating base rotates the backing plate 180°, and the arc-shaped end face of the backing plate is no longer opposite to the conveyor belt's transport direction. The conveyor belt then smoothly transports the trimmed titanium nails to the next process or collection area.

[0034] Compared with the prior art, the beneficial effects of the present invention are:

[0035] 1. The anti-wear unit of the present invention transforms the traditional sliding friction during the bending process of titanium nails into rolling friction, which effectively reduces the wear on the surface of titanium nails, avoids the occurrence of defects such as burrs and microcracks, and reduces the risk of tissue damage during surgery and the possibility of triggering postoperative inflammatory reactions.

[0036] 2. The output unit and the cutting trimming unit of this invention work together. The output unit first positions and corrects the posture of the bent titanium nail, which facilitates the subsequent positioning and trimming by the cutting trimming unit. This ensures that the trimming blade can accurately fit the punching section of the titanium nail, guaranteeing consistent trimming results. Simultaneously, the conveyor belt of the output unit can quickly transport the titanium nail to the next process after trimming, preventing the titanium nail from accumulating in the trimming area and improving overall production efficiency.

[0037] 3. The straight channel of the present invention is formed by the precise splicing of force-applying blocks, force-applying combination blocks, force-receiving blocks and force-receiving combination blocks. After assembly, it facilitates the transportation of titanium nails. When the bending is completed and each component is reset, the closed state of the straight channel is released, providing space for the titanium nails to fall and be adjusted. The titanium nails automatically fall into the conveying unit under the action of gravity. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the overall appearance and structure of the present invention;

[0039] Figure 2 This is a schematic diagram of a cross-sectional structure during the punching process of the present invention;

[0040] Figure 3 This is a schematic diagram of the bending unit of the present invention during operation;

[0041] Figure 4 This is a schematic diagram of the anti-wear unit of the present invention;

[0042] Figure 5 This is a schematic cross-sectional view of the bending unit of the present invention during operation;

[0043] Figure 6 This is a cross-sectional structural diagram of the cut trimming unit of the present invention;

[0044] Figure 7 This is a schematic diagram of another cross-sectional structure of the cut trimming unit of the present invention;

[0045] Figure 8 This is a schematic cross-sectional view of the structure of the present invention during punching.

[0046] Figure 9 This is a schematic diagram of the structure during the forming of the straight channel according to the present invention;

[0047] Figure 10 This is a schematic diagram of the structure of the force-applying block, the force-receiving block, and the rotating block of the present invention;

[0048] Figure 11 for Figure 5 A magnified view of part A.

[0049] In the diagram: 1. Workbench; 2. Hydraulic cylinder; 3. Bending unit; 4. Anti-wear unit; 5. Return spring; 6. Cutting trimming unit; 7. Output unit; 11. Punching base; 12. Punching head; 13. Conveyor table; 14. Conveyor through hole; 21. Pressing block; 22. Punching blade; 31. Force application block; 32. Force receiving block; 33. Force application combination block; 34. Force receiving combination block; 35. Bending base; 36. Drive cylinder; 37. Linear channel; 38. Return slider; 39. Suction block; 41. Rotating block; 42. Roller; 61. Rotating base; 62. Backing plate; 63. Trimming base; 64. Trimming blade; 65. Impeller; 66. Vent hole; 67. Suction channel; 71. Conveyor frame; 72. Conveyor roller; 73. Conveyor belt; 74. Conveyor motor. Detailed Implementation

[0050] Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0051] Example: Figure 1 - Figure 11 As shown, the present invention provides a punching device for the production of titanium staples for staplers with incision trimming function:

[0052] like Figures 1 to 4 As shown, the punching device includes a worktable 1, on which a hydraulic cylinder 2 is installed. The punching device also includes a bending unit 3 and an anti-wear unit 4.

[0053] The bending unit 3 includes a force-applying block 31 and a force-receiving block 32;

[0054] The wear-resistant unit 4 includes a rotating block 41 and a roller 42;

[0055] The force-applying block 31 and the force-receiving block 32 are located on both sides of the titanium nail. The force-applying block 31 is set on both sides of the force-receiving block 32. The interval between the force-applying block 31 and the force-receiving block 32 is equal to the diameter of the titanium nail. The rotating block 41 is set between the force-applying block 31 and the force-receiving block 32. The rotating block 41 and the force-applying block 31 are rotatably connected. When the rotating block 41 is not rotating, it is parallel to the force-applying block 31. The roller 42 array is set inside the rotating block 41. The roller 42 and the rotating block 41 are rotatably connected.

[0056] During the rotation of the rotating block 41, the roller 42 is always tangent to the cylindrical surface of the titanium nail.

[0057] After the hydraulic cylinder 2 punches the titanium nail, it is transported to the bending unit 3. When the titanium nail is bent, the force-applying blocks 31 on both sides of the force-bearing block 32 move synchronously towards the force-bearing block 32. The surface of the titanium nail will exert a thrust on the rollers 42 on the rotating block 41. Since the rotating block 41 is rotatably connected to the force-applying block 31, the rotating block 41 rotates around the connection point until the rollers 42 distributed in the array within the rotating block 41 are completely in contact with the surface of the titanium nail, that is, the two sides of the titanium nail are bent at 90°. During the bending process, the rollers 42 on the rotating block 41 convert the traditional sliding friction into rolling friction, which effectively reduces the wear on the surface of the titanium nail, avoids the occurrence of defects such as burrs and microcracks, reduces the risk of tissue damage during surgery and the possibility of postoperative inflammatory reactions.

[0058] like Figure 2 , Figure 3 , Figure 8 and Figure 9 As shown, the bending unit 3 also includes a force-applying assembly block 33, a force-receiving assembly block 34, a bending base 35, and a drive cylinder 36. The force-receiving block 32 and the bending base 35 are fixedly connected. The force-applying block 31, the force-applying assembly block 33, and the force-receiving assembly block 34 are each fixedly connected to the output end of a drive cylinder 36. The output directions of all drive cylinders 36 are parallel. All drive cylinders 36 and the bending base 35 are fixedly connected. The force-applying assembly block 33 clamps the force-receiving block 32 in the middle. The two sides of the force-applying assembly block 33 and the force-receiving block 32 are slidably connected. 31 clamps the force-receiving assembly block 34 in the middle, and the force-applying block 31 and the force-receiving assembly block 34 are slidably connected. After the force-applying block 31, the force-receiving block 32, the force-applying assembly block 33 and the force-receiving assembly block 34 are combined, a horizontal straight channel 37 is formed inside that runs through the force-applying block 31, the force-receiving block 32, the force-applying assembly block 33 and the force-receiving assembly block 34. The straight channel 37 is perpendicular to the output direction of the drive electric cylinder 36. An entrance is provided on one side of the bending base 35. The straight channel 37 is connected to the entrance. The radius of the straight channel 37 and the radius of the entrance are equal to the radius of the titanium nail.

[0059] The straight channel 37 is connected to the outside world only at the entrance and exit ends. When the titanium nail to be bent is fully entered into the straight channel 37 and reaches the bending position, the drive cylinder 36 is started in batches. First, it drives the force application block 33 and the force receiving block 34 away from the titanium nail. Then, it drives the force application blocks 31 on both sides of the force receiving block 32 to move towards the force receiving block 32 to complete the bending.

[0060] like Figure 5 and Figure 11 As shown, a reset slider 38 and a reset spring 5 are provided on the end face of the force-applying block 31 away from the force-applying assembly block 33. The reset slider 38 and the force-applying block 31 are slidably connected. One end of the reset spring 5 is fixedly connected to the reset slider 38, and the other end of the reset spring 5 is fixedly connected to the force-applying block 31.

[0061] The closer the rotation angle of the rotating block 41 is to 90°, the greater the force exerted by the reset spring 5 on the reset slider 38.

[0062] The reset slider 38 abuts against the rotating block 41. The abutment position of the reset slider 38 and the rotating block 41 is located between the rotation axis of the rotating block 41 and the force-bearing combination block 34. After bending, the drive cylinder 36 drives the force-bearing block 31 back to its original position. During the process of the force-bearing block 31 returning to its original position, the reset spring 5 pushes the reset slider 38 to move towards the rotating block 41. The reset slider 38 applies a pushing force to the rotating block 41, forcing the rotating block 41 to rotate, so that the angle between the rotating block 41 and the force-bearing block 31 gradually becomes less than 90°. With the cooperation of the force-bearing combination block 34, when the force-bearing block 31 returns to its original position, the rotating block 41 is parallel to the force-bearing block 31.

[0063] like Figure 8 and Figure 10 As shown, an air suction block 39 is provided on one end of the force application combination block 33 away from the inlet side of the bending base 35. The air suction block 39 connects the external air suction machine to the straight channel 37.

[0064] Once the linear channel 37 is assembled, the external suction machine is turned on, sucking the titanium nail to be bent into the linear channel 37 and adsorbing it to the designated position.

[0065] like Figure 2 and Figure 8 As shown, a pressure feeding block 21 is installed on the output end of the hydraulic cylinder 2, and a punching blade 22 is provided on the lower end face of the pressure feeding block 21.

[0066] When punching titanium nails, the punching blade 22 precisely punches the titanium nails.

[0067] like Figure 1 , Figure 2 and Figure 8 As shown, a punching base 11 is provided on the workbench 1. The punching base 11 has an inlet and an outlet at both ends. The inlet of the punching base 11 is located above the outlet in the vertical direction. A punching head 12 is provided at the inlet of the punching base 11. The outlet of the punching base 11 coincides with the inlet of the bending base 35, and the outlet diameter of the punching base 11 is equal to the inlet radius of the bending base 35.

[0068] The inlet and outlet on the punching base 11, the inlet of the bending base 35, the aperture of the conveying table 13 and the straight channel 37 are matched with the diameter of the titanium nail to ensure that the titanium nail can be smoothly conveyed under the suction of the external suction machine.

[0069] like Figure 2 and Figure 8As shown, a conveyor table 13 and a return spring 5 are installed inside the punching base 11. The conveyor table 13 and the punching base 11 are slidably connected. The bottom end of the conveyor table 13 is fixedly connected to one end of the return spring 5, and the other end of the return spring 5 is fixedly connected to the punching base 11. A conveying through hole 14 is provided inside the conveyor table 13. The radius of the conveying through hole 14 is equal to the radius of the titanium nail.

[0070] When the return spring 5 is not subjected to any force other than the weight of the conveyor table 13 itself, the inlet of the conveying through hole 14 and the punching base 11 coincide.

[0071] When the titanium nail to be punched enters through the inlet of the punching base 11, it first falls into the conveying through-hole 14 of the conveying table 13. At this time, the conveying through-hole 14 coincides with the inlet of the punching base 11. The hydraulic cylinder 2 drives the pressing block 21 to move downward. The pressing block 21 and the punching blade 22 descend synchronously. The punching blade 22 first presses the pressing block 21 to contact the titanium nail, and then the lower end face of the pressing block 21 contacts the upper end face of the conveying table 13, applying downward pressure to the conveying table 13 and forcing the return spring 5 to compress. As the return spring 5 gradually compresses, the conveying table 13 slides downward along the inner wall of the punching base 11, and the punching blade 22 completes the punching action until the conveying through-hole 14 coincides with the outlet of the punching base 11, and the hydraulic cylinder 2 stops operating. Then, under the suction force generated by the external suction machine, the punched titanium nail passes through the conveying through-hole 14 in sequence through the outlet of the punching base 11 and the inlet of the bending base 35, and enters the straight channel 37 to wait for bending. Subsequently, the hydraulic cylinder 2 drives the pressure block 21 to reset upwards, the conveyor table 13 loses downward pressure, the reset spring 5 rebounds, pushing the conveyor table 13 to slide upwards until the conveying through hole 14 coincides with the inlet of the punching base 11 again, waiting for the next titanium nail to enter, forming an automated continuous conveying cycle.

[0072] like Figure 2 , Figure 6 and Figure 7 As shown, a cutting trimming unit 6 is provided below the force-bearing block 32. The cutting trimming unit 6 includes a rotating base 61 and a backing plate 62. The rotating base 61 and the backing plate 62 are symmetrically arranged about the vertical axis of symmetry of the force-bearing block 32. The rotating ends of the backing plate 62 and the rotating base 61 are fixedly connected. The side of the backing plate 62 facing the axis of rotation of the rotating base 61 is arc-shaped. The radius of the arc-shaped end face of the backing plate 62 is larger than the radius of the titanium nail.

[0073] An air intake channel 67 is provided inside the back plate 62. The inlet of the air intake channel 67 is connected to an external suction fan, and the central axis of the outlet of the air intake channel 67 is located on the axisymmetric plane of the arc-shaped end face of the back plate 62.

[0074] After the titanium nail is bent, the drive cylinder 36 drives the force application block 31, the force application combination block 33, and the force receiving combination block 34 to reset. The constraint of the straight channel 37 is released, and the bent titanium nail falls to the cutting trimming unit 6 under the action of gravity. When the cutting trimming unit 6 is not working, the arc-shaped end face of the back plate 62 faces the force application block 31. The air intake channel 67 on the arc-shaped end face of the back plate 62 continuously draws in air. The airflow generated synchronously and stably adsorbs the two nail legs of the bent titanium nail onto the arc-shaped surface of the back plate 62 for subsequent trimming of the punching section.

[0075] like Figure 6 and Figure 7 As shown, the cutting trimming unit 6 also includes a trimming base 63, a trimming blade 64, and an impeller 65. The upper end face of the trimming base 63 is inclined, and the interior of the trimming base 63 is hollow. The impeller 65 is set inside the trimming base 63, and the rotation axis of the impeller 65 coincides with the upper end face of the trimming base 63. The rotating rod end of the impeller 65 protrudes from the upper end face of the trimming base 63. The trimming blade 64 is fixedly installed on the rotating rod end of the impeller 65, and the cutting surface of the trimming blade 64 is parallel to the upper end face of the trimming base 63.

[0076] Ventilation holes 66 are provided on the upper surface of the trimming base 63.

[0077] The external suction fan and the dressing base 63 are internally connected by a pipe. The rotor of the impeller 65 is rotatably connected to the dressing base 63 via a bearing. Simultaneously, the rotor of the impeller 65 is slidably connected to the inner wall of the bearing, with the sliding direction perpendicular to the bearing's rotation plane. When the impeller 65 rotates, the resulting airflow pushes it upwards, causing the cutting edge of the dressing blade 64 to conform to the punching section of the titanium nail. The rotation of the impeller 65 also drives the dressing blade 64 to rotate at high speed, finely grinding and dressing the punching section of the titanium nail, removing any tiny burrs and irregular edges that may have been generated during the punching process. The vent 66 on the upper surface of the dressing base 63 connects the interior of the dressing base 63 to the outside, ensuring that the impeller 65 can rotate. After dressing is complete, the external suction fan stops supplying air to the suction channel 67 of the backing plate 62, and the titanium nail loses its suction force. Then, rotating the base 61 causes the backing plate 62 to rotate 180°, and the backing plate 62 no longer obstructs the transport of the titanium nail.

[0078] like Figure 8 and Figure 9 As shown, an output unit 7 is also provided below the force-bearing block 32;

[0079] The output unit 7 includes a conveyor frame 71, a conveyor roller 72, a conveyor belt 73, and a conveyor motor 74. The conveyor belt 73 is horizontally arranged, and the output center axis of the conveyor belt 73 coincides with the bending center axis of the titanium nail in the vertical direction and is perpendicular to the center axis of the straight channel 37. The two ends of the conveyor belt 73 are located on both sides of the force block 32. The two ends of the conveyor belt 73 are respectively sleeved on a conveyor roller 72. The two ends of the conveyor roller 72 are rotatably connected to the conveyor frame 71. One conveyor frame 71 is fixedly connected to the worktable 1, and the other conveyor frame 71 is fixedly connected to the bending base 35. The conveyor motor 74 is fixedly connected to the conveyor frame 71, and the output end of the conveyor motor 74 is fixedly connected to one end of the conveyor roller 72.

[0080] The conveyor frame 71 provides stable support for the conveyor rollers 72 and the conveyor belt 73. When the conveyor motor 74 starts, it drives the conveyor rollers 72 to rotate, which in turn drives the conveyor belt 73 to transport the titanium nails. After the titanium nails are bent, the drive cylinder 36 drives the force application block 31, the force application combination block 33, and the force receiving combination block 34 to reset, releasing the constraint of the straight channel 37. The bent titanium nails fall onto the conveyor belt 73 under gravity and are then transported by the conveyor belt 73 to the cutting and trimming unit 6 for cutting and trimming. When trimming the titanium nail cuts, the arc-shaped end face of the back plate 62 is opposite to the conveying direction of the conveyor belt 73, hindering the conveyor belt 73 from transporting the titanium nails. After the cutting and trimming is completed, the rotating base 61 drives the back plate 62 to rotate 180°, and the arc-shaped end face of the back plate 62 is no longer opposite to the conveying direction of the conveyor belt 73. The conveyor belt 73 then smoothly transports the titanium nails that have been cut and trimmed to the next process or collection area.

[0081] The working principle of this invention is as follows: After the hydraulic cylinder 2 punches the titanium nail, it is transported to the bending unit 3. When the titanium nail is bent, the force-applying blocks 31 on both sides of the force-receiving block 32 move synchronously towards the force-receiving block 32. The surface of the titanium nail will generate a thrust on the rollers 42 on the rotating block 41. Since the rotating block 41 is rotatably connected to the force-applying block 31, the rotating block 41 rotates around the connection point until the rollers 42 distributed in the array within the rotating block 41 are completely in contact with the surface of the titanium nail, that is, the two sides of the titanium nail are bent at 90°. During the bending process, the rollers 42 on the rotating block 41 convert the traditional sliding friction into rolling friction, which effectively reduces the wear on the surface of the titanium nail, avoids the occurrence of defects such as burrs and microcracks, reduces the risk of tissue damage during surgery, and reduces the possibility of postoperative inflammatory reactions.

[0082] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A punching device for producing titanium staples for staplers with incision trimming function, the punching device comprising a worktable (1) on which a hydraulic cylinder (2) is mounted, characterized in that: The punching device includes a bending unit (3) and an anti-wear unit (4). The bending unit (3) includes a force-applying block (31) and a force-receiving block (32); The wear-resistant unit (4) includes a rotating block (41) and a roller (42); The force-applying block (31) and the force-receiving block (32) are located on both sides of the titanium nail. The force-applying block (31) is arranged on both sides of the force-receiving block (32). The distance between the force-applying block (31) and the force-receiving block (32) is equal to the diameter of the titanium nail. The rotating block (41) is arranged between the force-applying block (31) and the force-receiving block (32). The rotating block (41) and the force-applying block (31) are rotatably connected. When the rotating block (41) is not rotating, it is parallel to the force-applying block (31). The roller (42) array is arranged inside the rotating block (41). The roller (42) and the rotating block (41) are rotatably connected. During the rotation of the rotating block (41), the roller (42) is always tangent to the cylindrical surface of the titanium nail; A cutting trimming unit (6) is provided below the force-bearing block (32). The cutting trimming unit (6) includes a rotating base (61) and a backing plate (62). The rotating base (61) and the backing plate (62) are symmetrically arranged about the vertical axis of symmetry of the force-bearing block (32). The rotating end of the backing plate (62) and the rotating base (61) are fixedly connected. The side of the backing plate (62) facing the axis of rotation of the rotating base (61) is arc-shaped. The radius of the arc-shaped end face of the backing plate (62) is greater than the radius of the titanium nail. The cutting trimming unit (6) further includes a trimming base (63), a trimming blade (64), and an impeller (65). The upper surface of the trimming base (63) is inclined, and the interior of the trimming base (63) is hollow. The impeller (65) is disposed inside the trimming base (63). The rotation axis of the impeller (65) coincides with the upper surface of the trimming base (63). The rotating rod end of the impeller (65) protrudes from the upper surface of the trimming base (63). The trimming blade (64) is fixedly installed on the rotating rod end of the impeller (65). The cutting edge of the trimming blade (64) is parallel to the upper surface of the trimming base (63).

2. The punching device for producing titanium staples with incision trimming function according to claim 1, characterized in that: The bending unit (3) further includes a force-applying assembly block (33), a force-receiving assembly block (34), a bending base (35), and a drive electric cylinder (36). The force-receiving block (32) and the bending base (35) are fixedly connected. The force-applying block (31), the force-applying assembly block (33), and the force-receiving assembly block (34) are each fixedly connected to the output end of a drive electric cylinder (36). The output directions of all the drive electric cylinders (36) are parallel. All the drive electric cylinders (36) and the bending base (35) are fixedly connected. The force-applying assembly block (33) clamps the force-receiving block (32) in the middle. The two sides of the force-applying assembly block (33) and the force-receiving block (32) are slidably connected. Block (31) clamps the force-receiving combination block (34) in the middle. The force-applying block (31) and the force-receiving combination block (34) are slidably connected. After the force-applying block (31), the force-receiving block (32), the force-applying combination block (33), and the force-receiving combination block (34) are combined, a horizontal straight channel (37) is formed inside that runs through the force-applying block (31), the force-receiving block (32), the force-applying combination block (33), and the force-receiving combination block (34). The straight channel (37) is perpendicular to the output direction of the drive electric cylinder (36). An entrance is provided on one side of the bending base (35). The straight channel (37) is connected to the entrance. The radius of the straight channel (37) and the radius of the entrance are equal to the radius of the titanium nail.

3. The punching device for producing titanium staples with incision trimming function according to claim 2, characterized in that: The end face of the force-applying block (31) away from the force-applying assembly block (33) is provided with a reset slider (38) and a reset spring (5). The reset slider (38) and the force-applying block (31) are slidably connected. One end of the reset spring (5) is fixedly connected to the reset slider (38), and the other end of the reset spring (5) is fixedly connected to the force-applying block (31). The closer the rotation angle of the rotating block (41) is to 90°, the greater the force exerted by the reset spring (5) on the reset slider (38).

4. The punching device for producing titanium staples with incision trimming function according to claim 2, characterized in that: An air suction block (39) is provided on one end of the force application block (33) away from the inlet side of the bending base (35), and the air suction block (39) connects the external air suction machine to the straight channel (37).

5. The punching device for producing titanium staples with incision trimming function according to claim 1, characterized in that: A pressure feeding block (21) is installed on the output end of the hydraulic cylinder (2), and a punching blade (22) is provided on the lower end surface of the pressure feeding block (21).

6. The punching device for producing titanium staples with incision trimming function according to claim 1, characterized in that: The workbench (1) is provided with a punching base (11), and the two ends of the punching base (11) are provided with an inlet and an outlet. The inlet of the punching base (11) is located above the outlet in the vertical direction. A punching head (12) is provided at the inlet of the punching base (11). The outlet of the punching base (11) coincides with the inlet of the bending base (35), and the outlet diameter of the punching base (11) is equal to the inlet radius of the bending base (35).

7. A punching device for producing titanium staples with incision trimming function according to claim 6, characterized in that: The punching base (11) is equipped with a conveyor platform (13) and a return spring (5). The conveyor platform (13) and the punching base (11) are slidably connected. The bottom end of the conveyor platform (13) is fixedly connected to one end of the return spring (5), and the other end of the return spring (5) is fixedly connected to the punching base (11). The conveyor platform (13) is provided with a conveying through hole (14), and the radius of the conveying through hole (14) is equal to the radius of the titanium nail. When the reset spring (5) is not subjected to any force other than the weight of the conveyor table (13), the inlet of the conveying through hole (14) and the punching base (11) coincide.

8. A punching device for producing titanium staples with incision trimming function according to claim 1, characterized in that: The backing plate (62) is provided with an air intake channel (67). The inlet of the air intake channel (67) is connected to an external suction fan. The central axis of the outlet of the air intake channel (67) is located on the axial symmetry plane of the arc-shaped end face of the backing plate (62).

9. A punching device for producing titanium staples with incision trimming function according to claim 8, characterized in that: The upper surface of the trimming base (63) is provided with a vent (66).

10. A punching device for producing titanium staples with incision trimming function according to claim 1, characterized in that: An output unit (7) is also provided below the force-bearing block (32); The output unit (7) includes a conveyor frame (71), a conveyor roller (72), a conveyor belt (73), and a conveyor motor (74). The conveyor belt (73) is horizontally arranged. The output center axis of the conveyor belt (73) and the bending center axis of the titanium nail are coincident in the vertical direction and perpendicular to the center axis of the straight channel (37). The two ends of the conveyor belt (73) are located on both sides of the force block (32). The two ends of the conveyor belt (73) are respectively sleeved on a conveyor roller (72). The two ends of the conveyor roller (72) are rotatably connected to the conveyor frame (71). One conveyor frame (71) is fixedly connected to the worktable (1), and the other conveyor frame (71) is fixedly connected to the bending base (35). The conveyor motor (74) is fixedly connected to the conveyor frame (71), and the output end of the conveyor motor (74) is fixedly connected to one end of the conveyor roller (72).

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