Negative pressure wound therapy guide pin bending apparatus and method

Abstract

The application discloses a negative pressure drainage guide needle bending equipment and a method thereof, and belongs to the technical field of bending equipment. The equipment comprises a rack, the rack is connected with a directional feeding assembly for automatically adjusting the rotation state of a guide needle to be bent and automatically feeding, the rack is connected with an automatic unloading conveying assembly for clamping and moving the guide needle to be processed and automatically unloading, the rack is further connected with a bending and cutting edge assembly for bending and cutting off the bevel, the bending and cutting edge assembly comprises a lifting support assembly and a bending and cutting assembly, the lifting support assembly and the bending and cutting assembly are fixedly connected with the rack, the bending and cutting assembly is connected with the lifting support assembly, and the bending and cutting assembly is connected with the automatic unloading conveying assembly. Through the above mode, the directional feeding assembly is used for automatic feeding, the automatic unloading conveying assembly is used for automatic clamping, driving the guide needle to shift and automatic unloading, and the bending and cutting edge assembly is used for synchronous bending and cutting.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bending equipment, in particular to a negative pressure drainage guide needle bending equipment and method thereof. BACKGROUND

[0002] The negative pressure drainage device has the effect of draining, sputum, and excretion such as sewage. When it is not convenient to directly drain the operation in some places, the negative pressure drainage guide needle needs to contact the place where the excretion is located first, and then the operation is performed. There is a negative pressure drainage guide needle with a front end diameter larger than a rear end, and a front end cut oblique opening and a middle bending.

[0003] The Chinese patent CN113197657B discloses a Kirschner wire pre-bending equipment for orthopedic postoperative use. The equipment can fix the Kirschner wire through the cooperation of the placing assembly and the limiting assembly, can prevent the Kirschner wire from moving, and can bend the Kirschner wire through the pressing assembly, thereby achieving the effects of automatically bending the Kirschner wire, saving labor, and protecting the hand.

[0004] However, the above patent has the following shortcomings: 1. Only one group of needles can be processed at a time, which cannot meet the needs of batch production in factories; 2. It cannot be automatically fed at a suitable angle, and the needle to be bent needs to be manually adjusted to a suitable angle before bending, which is not suitable for the negative pressure drainage device.

[0005] Therefore, the present application provides a negative pressure drainage guide needle bending equipment and method thereof to solve the above problems. SUMMARY

[0006] In view of the above shortcomings of the prior art, the present application provides a negative pressure drainage guide needle bending equipment and method thereof.

[0007] To achieve the above purpose, the present application realizes the following technical solutions:

[0008] A negative pressure drainage guide needle bending equipment and method thereof, comprising a rack, the rack is connected with a directional feeding assembly for automatically adjusting the state of the guide needle to be bent and automatically feeding; the rack is connected with an automatic unloading conveying assembly for clamping and moving the guide needle to be processed and automatically unloading; the rack is also connected with a bending and cutting assembly for bending and cutting off the bevel; the bending and cutting assembly comprises a lifting support assembly and a bending and cutting assembly; the lifting support assembly and the bending and cutting assembly are fixedly connected with the rack, the bending and cutting assembly is connected with the lifting support assembly, and the bending and cutting assembly is connected with the automatic unloading conveying assembly.

[0009] Further, the directional feeding assembly comprises a fixing assembly, a lifting assembly and a conveying assembly; the lifting assembly and the conveying assembly are connected with the fixing assembly, and the conveying assembly is connected with the rack.

[0010] Furthermore, the fixing assembly includes an outer frame, trapezoidal fixing plates, and a back plate; the outer frame is a semi-enclosed box with open top and rear ends, and the outer frame has four support frames. The front end of the outer frame is an inclined plate, the height of which decreases from front to back. The inclined plate is in contact with the guide pin to be processed. The rear end of the outer frame is fixedly connected to the back plate. The outer walls of the left and right ends of the three sets of trapezoidal fixing plates are respectively fixedly connected to the inner walls of the left and right ends of the outer frame near the back plate. The top of the trapezoidal fixing plates decreases from front to back, and the bottom end of the set of trapezoidal fixing plates at the rear end is lower than the lowest point of the top end of the set of trapezoidal fixing plates at the front end. The outer frame, trapezoidal fixing plates, and back plate are all connected to the conveying assembly, and the outer frame and trapezoidal fixing plates are all connected to the lifting assembly.

[0011] Furthermore, the lifting assembly includes a lifting motor, a conveyor belt, a drive wheel, a first connecting roller, a second connecting roller, a support plate, and a trapezoidal lifting plate. The lifting motor is located below the outer frame, and its output end is fixedly connected to a set of pulleys. The middle part of the drive wheel is also fixedly connected to a set of pulleys. The two sets of pulleys are connected by a conveyor belt. The other side of the drive wheel is fixedly connected to the first connecting roller. One end of the first connecting roller is rotatably connected to one end of the second connecting roller, and the other end of the second connecting roller is rotatably connected to the bottom end of the support plate. The bottom end of the support plate is a flat plate, and the top end of the support plate consists of three sets of connecting plates of different heights, with the height of the three sets of connecting plates increasing from front to back. The top end is fixedly connected to three sets of trapezoidal lifting plates. The height of the top end of the trapezoidal lifting plates decreases from front to back. The front and rear ends of the trapezoidal lifting plates are slidably connected to two adjacent sets of trapezoidal fixed plates. The front end of the trapezoidal lifting plate set at the front end is slidably connected to the rear end of the inclined plate of the outer frame. The lowest point of the top end of the trapezoidal lifting plate at the highest height is level with the highest point of the top end of the trapezoidal fixed plate set at the rear end. The highest point of the top end of the trapezoidal lifting plate at the lowest height is level with the lowest point of the top end of the trapezoidal fixed plate set at the front end. When the trapezoidal lifting plate set at the front end is at the lowest height, the highest point of the top end of the trapezoidal lifting plate is level with the top end of the inclined plate of the outer frame.

[0012] Furthermore, the conveying assembly includes a horizontal conveyor belt, a vertical conveyor belt, a first drive motor, an n-shaped support frame, and a second drive motor. The first drive motor is fixedly connected to one rear end of the back plate. The output end of the first drive motor passes through the back plate and is connected to a set of rotating shafts. The two sets of rotating shafts are rotatably connected to the left and right ends of the last set of trapezoidal fixed plates and the back plate, respectively, via bearings. The horizontal conveyor belt is driven by the two sets of rotating shafts. The front and rear ends of the horizontal conveyor belt are slidably connected to the last set of trapezoidal fixed plates and the back plate, respectively. The bottom end of the n-shaped support frame is fixedly connected to the top end of the frame. The middle part of the n-shaped support frame is fixedly connected to the two sets of second drive motors. The output end of the sliding connecting rod is fixedly connected to a set of pulleys. The other set of pulleys is rotatably connected to the outer frame via bearings. The vertical conveyor belt is driven by the left and right sets of pulleys. The distance between the two sets of vertical conveyor belts is greater than the bottom end of the guide pin to be processed and less than the top end of the guide pin.

[0013] Furthermore, the automatic feeding and conveying assembly includes guide plates, moving conveyor belts, connecting blocks, clamps, sliding connecting rods, rolling balls, slots, a third drive motor, a pull-out recovery frame, and a push spring. The bottom ends of the two sets of guide plates are fixedly connected to the top of the frame via support plates. The openings of the guide plates face the left and right ends. The distance between the two sets of guide plates located below the bending and cutting assembly is less than the distance between the openings and the bottom of the n-shaped support frame. The guide plates have slots along their inner edges, extending through the left and right ends. The bottom end of the third drive motor is fixedly connected to the top of the frame. The output shaft of the third drive motor is fixedly connected to one set of pulleys, which are fixedly connected to another set of pulleys via shafts. Two sets of pulleys are also fixedly connected to the other end of the frame. The two sets of pulleys are connected via shafts. The two sets of moving conveyor belts are respectively connected by the two sets of pulleys at the left and right ends. The connecting block is fixedly connected to the moving conveyor belt, and the connecting blocks on the two sets of moving conveyor belts are aligned and flush. The connecting block has a groove, and the sliding connecting rod passes through the groove and slides with the connecting block. The end of the sliding connecting rod away from the guide plate is fixedly connected to the clamp. The clamp is an L-shaped plate with closed ends. The ends of the two sets of clamps away from the guide plate are in contact with each other. The outer wall of the end of the sliding connecting rod near the guide plate is slidably connected to the upper and lower inner walls of the groove. The end of the sliding connecting rod near the guide plate has a receiving groove. The rotating shaft of several sets of rolling balls is rotatably connected to the receiving groove on the sliding connecting rod. The rolling balls are rotatably in contact with the inner wall of the groove. The two ends of the push spring are fixedly connected to the connecting block and the clamp respectively. The pull-out recovery frame is slidably connected to the bottom of the end of the frame away from the directional feeding component, and the pull-out recovery frame is located below the opening of the end of the guide plate away from the directional feeding component.

[0014] Furthermore, the lifting support assembly includes a lifting cylinder, an annular frame, a support spring, a support rod, and a connecting plate; the bottom end of the lifting cylinder and the annular frame are fixedly connected to the top end of the frame, the two ends of the support spring are fixedly connected to the bottom end of the inner wall of the annular frame and the bottom end of the support rod, respectively, the outer wall of the support rod is slidably connected to the inner wall of the annular frame, and the bottom end of the lifting cylinder and the support rod are fixedly connected to the bottom end of the connecting plate.

[0015] Furthermore, the bending and cutting assembly includes a stationary die, a stationary die support plate, a moving die, a trapezoidal contact block, a moving die support plate, a slide rail, and a blocking plate. One end of the stationary die support plate is fixedly connected to a nearby guide plate, and the other end of the stationary die support plate is fixedly connected to the stationary die. The end of the moving die support plate near the other guide plate is slidably connected to the slide rail. The inner wall of the slide rail away from the stationary die is fixedly connected to the moving die support plate via a spring. The bottom end of the slide rail is fixedly connected to the top end of the frame. The other end of the moving die support plate is fixedly connected to one end of the moving die. The other end of the moving die is in contact with the guide pin to be processed. The end of the moving die near the moving die support plate is fixedly connected to the trapezoidal contact block. The inclined surface of the contact block faces the moving mold support plate. The tops of the blocking plate, the cutting blade, and the trapezoidal pushing block are all fixedly connected to the bottom of the connecting plate. The cutting blade and the trapezoidal pushing block are located between the two sets of blocking plates. The bottom of the cutting blade is in contact with the stationary mold support plate, and the bottom of the trapezoidal pushing block is in contact with the inclined surface of the trapezoidal contact block. A sliding groove is provided on the moving mold. The outer wall of one set of blocking plates is slidably connected to the sliding groove on the moving mold. A moving mold sliding groove is provided on the moving mold support plate. The length of the moving mold sliding groove is greater than the length of the sliding groove on the moving mold. The left and right outer walls of the other set of blocking plates are slidably connected to the left and right inner walls of the moving mold sliding groove. The blocking plate is in contact with the sliding connecting rod.

[0016] Furthermore, the bottom ends of the stationary mold, stationary mold support plate, moving mold, and moving mold support plate are all higher than the top ends of the sliding connecting rod, connecting block, and fixture, and the lengths of the stationary mold, moving mold, and cutting blade are greater than the length of the fixture.

[0017] A bending method for a negative pressure drainage guide needle bending device includes the following steps:

[0018] Step 1: Place the guide pins to be processed in batches inside the outer frame of the fixed component of the directional feeding assembly. Start the lifting motor of the lifting assembly. The lifting motor drives the drive wheel to rotate via the conveyor belt. The first connecting roller moves in a circular motion with the drive wheel. The first connecting roller drives the second connecting roller to move in a circular motion. The second connecting roller pushes the support plate to move up and down. The support plate drives the three sets of trapezoidal lifting plates to move up and down. When the three sets of trapezoidal lifting plates reach their lowest point, the guide pins to be processed inside the outer frame fall onto the foremost trapezoidal lifting plate due to gravity. The components to be processed on the trapezoidal fixed plate fall onto the trapezoidal lifting plates at their rear ends. As the trapezoidal lifting plates rise... At the highest point, the guide pins to be processed on the trapezoidal lifting plate fall onto the trapezoidal fixing plate at its rear end. The guide pins to be processed on the rightmost set of trapezoidal fixing plates fall onto the transverse conveyor belt of the conveying assembly. The first drive motor drives the transverse conveyor belt to move towards the bending and cutting assembly. The transverse conveyor belt carries the guide pins to be processed to the two sets of vertical conveyor belts. Since the distance between the two sets of vertical conveyor belts is greater than the bottom end of the guide pin and less than the top end of the guide pin, the bottom end of the guide pin falls between the two sets of vertical conveyor belts. The vertical guide pins to be processed are conveyed towards the bending and cutting assembly along with the vertical conveyor belt.

[0019] Step 2: The third drive motor of the automatic feeding and conveying assembly drives the moving conveyor belt to move. The moving conveyor belt drives the connecting block to move. The connecting block drives the clamps and sliding connecting rod to move. When the sliding connecting rod just contacts the slot, the push spring is in a fully relaxed state. As the connecting block approaches the bending and cutting assembly, the push spring is pulled open, and the sliding connecting rod is always in contact with the slot. It also pushes the two sets of clamps to move closer until the clamps on the two sets of moving conveyor belts clamp the bottom end of the guide pin to be processed at the end of the vertical conveyor belt. After clamping, the clamps drive the sliding connecting rod to move below the bending and cutting assembly. When the guide plate is below the bending and cutting assembly, it has a small opening to facilitate the processing of the bending and cutting assembly.

[0020] Step 3: When the fixture moves the guide pin to be processed to below the bending and cutting assembly, the moving conveyor belt stops moving. The blocking plate of the bending and cutting assembly blocks the two sets of sliding connecting rods, causing the sliding connecting rods to stop in time for more accurate operation. At this time, due to the small opening of the guide plate, the two sets of fixtures are in contact with the guide pin to be processed but not clamped. The guide pin to be processed can slide up and down within the two sets of fixtures. The lifting cylinder of the lifting support assembly is activated. The lifting cylinder drives the connecting plate to descend. The annular frame, support spring, and support rod support the connecting plate, keeping it balanced. The trapezoidal push block and The cutting blade descends and contacts the trapezoidal contact block. The trapezoidal contact block pushes the moving mold support plate to move along the slide rail towards the stationary mold. When the lowest point of the inclined surface of the trapezoidal contact block contacts the lowest point of the inclined surface of the trapezoidal push block, the stationary mold and the moving mold support plate work together to complete the bending effect on the guide pin. The trapezoidal push block continues to move downward, and the moving mold support plate will not continue to move. At this time, the cutting blade contacts the guide pin. The cutting blade continues to move downward until it contacts the stationary mold to complete the cutting effect on the guide pin. Since the upper end of the guide pin is in a bent state, the cutting surface is an inclined surface. The lifting support assembly and the bending and cutting assembly work together to complete the bending and cutting purpose of the guide pin.

[0021] Step 4: The lifting cylinder drives the connecting plate to rise, and the moving mold support plate moves away from the stationary mold under the contraction of the spring. When the bottom of the blocking plate is higher than the top of the sliding connecting rod, the third drive motor is restarted. The guide plate drives the fixture to continue moving. The fixture drives the processed guide pin to the opening of the guide plate. The fixture retracts under the return force of the spring and releases the guide pin into the pull-out recycling box. The guide pin falls into the pull-out recycling box for recycling, completing the automatic recycling effect. The pull-out recycling box can be pulled out and replaced.

[0022] Step 5: Before the next set of sliding connecting rods arrives, restart the lifting cylinder to drive the connecting plate down until the bottom of the two sets of blocking plates driven by the connecting plate is higher than the bottom of the sliding connecting rod. Beneficial effects

[0023] This invention, when the fixture moves the guide pin to be processed to below the bending and cutting assembly, stops the moving conveyor belt. The blocking plate of the bending and cutting assembly blocks the two sets of sliding connecting rods, causing the sliding connecting rods to stop in time, facilitating more accurate operation. At this time, because the guide plate opens slightly, the fixture is in a slightly relaxed state, allowing the guide pin to slide up and down within the two sets of fixtures. The lifting cylinder of the lifting support assembly is activated, causing the connecting plate to descend. The annular frame, support spring, and support rod support the connecting plate, maintaining its balance. The trapezoidal pushing block and the cutting blade descend accordingly. The cutting blade contacts the trapezoidal contact block, which pushes the moving mold support plate along the slide rail towards the stationary mold. When the lowest point of the inclined surface of the trapezoidal contact block contacts the lowest point of the inclined surface of the trapezoidal pushing block, the stationary mold and the moving mold support plate cooperate to complete the bending effect on the guide pin. The trapezoidal pushing block continues to descend. The moving mold support plate will not continue to move. At this time, the cutting blade contacts the guide pin and continues to move downward until it contacts the stationary mold to complete the cutting effect on the guide pin. Since the upper end of the guide pin is in a bent state, the cut surface is an inclined surface. The length of the stationary mold, the moving mold support plate, and the cutting blade is greater than the length of the fixture, ensuring that all guide pins held by the fixture can be processed. The lifting support assembly and the bending and cutting assembly work together to complete the bending and cutting of the guide pin. Subsequently, the lifting cylinder drives the connecting plate to rise, and the moving mold support plate moves away from the stationary mold under the contraction of the spring. When the bottom end of the blocking plate is higher than the top end of the sliding connecting rod, the sliding connecting rod continues to move, and the fixture drives the processed guide pin to continue to move until the opening releases the guide pin into the pull-out recovery frame. Before the next set of sliding connecting rods arrives, the lifting cylinder is restarted to drive the connecting plate to descend until the bottom end of the two sets of blocking plates is higher than the bottom end of the sliding connecting rod.

[0024] This invention uses a third drive motor of an automatic feeding and conveying assembly to drive a moving conveyor belt. The moving conveyor belt drives a connecting block, which in turn drives a clamp and a sliding connecting rod. When the sliding connecting rod just contacts the slot, the push spring is in a fully relaxed state. As the connecting block approaches the bending and cutting assembly, the push spring is pulled open, keeping the sliding connecting rod in constant contact with the slot and also pushing the two sets of clamps closer together. The two sets of clamps hold the bottom end of the guide pin to be processed on the vertical conveyor belt. The clamps drive the sliding connecting rod to move below the bending and cutting assembly. When the guide plate is below the bending and cutting assembly, it has a small opening to facilitate the processing of the bending and cutting assembly. After processing, the guide plate moves the processed guide pin to the top of the pull-out recovery frame. Due to the opening in the guide plate, the push spring rebounds, causing the clamp to release the guide pin, which falls into the pull-out recovery frame for recycling, achieving the effect of automatic recycling. The pull-out recovery frame can be pulled out and replaced. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0026] Figure 1 The main structure of the negative pressure drainage guide needle bending device and method of the present invention is three-dimensional. Figure 1 ;

[0027] Figure 2 This is a front view of the structure of a negative pressure drainage guide needle bending device and method according to the present invention;

[0028] Figure 3 The main structure of the negative pressure drainage guide needle bending device and method of the present invention is three-dimensional. Figure 2 ;

[0029] Figure 4 This is a sectional view along the CC direction;

[0030] Figure 5 This is a sectional view along the AA direction;

[0031] Figure 6 This is a sectional view along the BB direction;

[0032] Figure 7 for Figure 3 Enlarged view of point D in the middle;

[0033] Figure 8 for Figure 6 Enlarged view at point E in the middle;

[0034] Figure 9 for Figure 5 Enlarged view of point F in the middle.

[0035] The labels in the diagram represent: 1. Frame; 2. Oriented feeding assembly; 21. Fixing assembly; 211. Outer frame; 212. Trapezoidal fixing plate; 213. Back plate; 22. Lifting assembly; 221. Lifting motor; 222. Conveyor belt; 223. Drive wheel; 224. First connecting roller; 225. Second connecting roller; 226. Support plate; 227. Trapezoidal lifting plate; 23. Conveying assembly; 231. Horizontal conveyor belt; 232. Vertical conveyor belt; 233. First drive motor; 234. N-shaped support frame; 235. Second drive motor; 3. Automatic unloading conveying assembly; 31. Guide plate; 32. Moving conveyor belt; 33. 34. Connecting block; 35. Fixture; 36. Sliding connecting rod; 37. Rolling ball; 38. Slot; 39. Third drive motor; 30. Pull-out recovery frame; 41. Push spring; 42. Bending and cutting assembly; 43. Lifting support assembly; 44. Lifting cylinder; 45. Ring frame; 46. Support spring; 47. Support rod; 48. Connecting plate; 49. Bending and cutting assembly; 40. Static mold; 41. Static mold support plate; 42. Moving mold; 42. Trapezoidal contact block; 42. Moving mold support plate; 42. Slide rail; 42. Blocking plate; 42. Cutting blade; 42. Trapezoidal push block; 42. Moving mold slide groove. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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, not all, of the embodiments of the present invention. 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.

[0037] The present invention will be further described below with reference to embodiments. Example 1

[0038] Please refer to the instruction manual appendix. Figures 1-9 A negative pressure drainage guide needle bending device and method thereof, comprising a frame 1;

[0039] The frame 1 is connected to a directional feeding assembly 2 for automatically adjusting the rotation state of the guide pin to be bent and automatically feeding the material;

[0040] The directional feeding assembly 2 includes a fixing assembly 21, a lifting assembly 22, and a conveying assembly 23; both the lifting assembly 22 and the conveying assembly 23 are connected to the fixing assembly 21, and the conveying assembly 23 is connected to the frame 1.

[0041] The fixing component 21 includes an outer frame 211, trapezoidal fixing plates 212, and a back plate 213. The outer frame 211 is a semi-enclosed box with open top and rear ends, and the outer frame 211 has four support frames. The front end of the outer frame 211 is an inclined plate, which decreases in height from front to back. The inclined plate is in contact with the guide pin to be processed. The rear end of the outer frame 211 is fixedly connected to the back plate 213. The outer walls of the left and right ends of the three sets of trapezoidal fixing plates 212 are fixedly connected to the inner walls of the left and right ends of the outer frame 211 near the back plate 213, respectively. The top of the trapezoidal fixing plates 212 decreases in height from front to back, and the bottom of the set of trapezoidal fixing plates 212 at the rear end is lower than the lowest point of the top of the set of trapezoidal fixing plates 212 at the front end. The outer frame 211, trapezoidal fixing plates 212, and back plate 213 are all connected to the conveying component 23. The outer frame 211 and trapezoidal fixing plates 212 are all connected to the lifting component 22.

[0042] The lifting assembly 22 includes a lifting motor 221, a conveyor belt 222, a drive wheel 223, a first connecting roller 224, a second connecting roller 225, a support plate 226, and a trapezoidal lifting plate 227. The lifting motor 221 is located below the outer frame 211. The output end of the lifting motor 221 is fixedly connected to a set of pulleys. The middle part of the drive wheel 223 is also fixedly connected to a set of pulleys. The two sets of pulleys are connected by transmission through the conveyor belt 222. The first connecting roller 224 is fixedly connected to the other side of the drive wheel 223. One end of the first connecting roller 224 is rotatably connected to the second connecting roller 225. The other end of the second connecting roller 225 is rotatably connected to the bottom end of the support plate 226. The bottom end of the support plate 226 is a flat plate, and the top end of the support plate 226 consists of three sets of connecting plates of different heights, arranged from front to back. The height increases from front to back. The top of the support plate 226 is fixedly connected to three sets of trapezoidal lifting plates 227. The height of the top of the trapezoidal lifting plates 227 decreases from front to back. The front and rear ends of the trapezoidal lifting plates 227 are slidably connected to two adjacent sets of trapezoidal fixed plates 212. The front end of the trapezoidal lifting plate 227 is slidably connected to the rear end of the inclined plate of the outer frame 211. The lowest point of the top of the trapezoidal lifting plate 227 at the highest height is level with the highest point of the top of the trapezoidal fixed plate 212 at the rear end. The highest point of the top of the trapezoidal lifting plate 227 at the lowest height is level with the lowest point of the top of the trapezoidal fixed plate 212 at the front end. When the trapezoidal lifting plate 227 at the front end is at the lowest height, the highest point of the top of the trapezoidal lifting plate 227 is level with the top of the inclined plate of the outer frame 211.

[0043] Conveying assembly 23 includes a transverse conveyor belt 231, a vertical conveyor belt 232, a first drive motor 233, an n-shaped support frame 234, and a second drive motor 235. The first drive motor 233 is fixedly connected to one side of the rear end of the back plate 213. The output end of the first drive motor 233 passes through the back plate 213 and is connected to a set of rotating shafts. The two sets of rotating shafts are rotatably connected to a set of trapezoidal fixed plates 212 at the rear end and the left and right ends of the back plate 213, respectively, via bearings. The transverse conveyor belt 231 is driven by the two sets of rotating shafts. The front and rear ends of the transverse conveyor belt 231 are connected by a vertical drive belt. The bottom end of the n-shaped support frame 234 is fixedly connected to the top end of the frame 1, and the middle part of the n-shaped support frame 234 is fixedly connected to two sets of second drive motors 235. The output end of the sliding connecting rod 35 is fixedly connected to a set of pulleys, and the other set of pulleys is rotatably connected to the outer frame 211 through bearings. The vertical conveyor belt 232 is connected by two sets of left and right pulleys. The distance between the two sets of vertical conveyor belts 232 is greater than the bottom end of the guide pin to be processed and less than the top end of the guide pin.

[0044] The guide pins to be processed are placed in batches inside the outer frame 211 of the fixing component 21 of the directional feeding component 2. The lifting motor 221 of the lifting component 22 is started. The lifting motor 221 drives the drive wheel 223 to rotate via the conveyor belt 222. The first connecting roller 224 moves in a circular motion with the drive wheel 223. The first connecting roller 224 drives the second connecting roller 225 to move in a circular motion. The second connecting roller 225 pushes the support plate 226 to move up and down. The support plate 226 drives the three sets of trapezoidal lifting plates 227 to move up and down. When the three sets of trapezoidal lifting plates 227 are lowered to the lowest point, the guide pins to be processed inside the outer frame 211 fall onto the frontmost set of trapezoidal lifting plates 227 due to gravity. The components to be processed on the trapezoidal fixing plate 212 fall onto the trapezoidal lifting plates 227 at its rear end. As the trapezoidal lifting plates 227 rise to the highest point, the trapezoidal lifting... The guide pins to be processed on the lowering plate 227 fall onto the trapezoidal fixing plates 212 at their rear ends. The guide pins to be processed on the rightmost set of trapezoidal fixing plates 212 fall onto the transverse conveyor belt 231 of the conveying assembly 23. The first drive motor 233 drives the transverse conveyor belt 231 to move towards the bending and cutting assembly 4. The transverse conveyor belt 231 carries the guide pins to be processed to two sets of vertical conveyor belts 232. Since the distance between the two sets of vertical conveyor belts 232 is greater than the bottom end of the guide pin and less than the top end of the guide pin, the bottom end of the guide pin falls between the two sets of vertical conveyor belts 232. The vertical guide pins to be processed are conveyed towards the bending and cutting assembly 4 along with the vertical conveyor belt 232. The n-shaped support frame 234 supports the second drive motor 235, and the second drive motor 235 drives the vertical conveyor belt 232. Example 2

[0045] In some embodiments, such as Figures 1-9As shown, in a preferred embodiment of the present invention, the frame 1 is connected to an automatic feeding conveyor assembly 3 for clamping and moving the guide pin to be processed and for automatic feeding.

[0046] The automatic feeding and conveying assembly 3 includes guide plates 31, moving conveyor belts 32, connecting blocks 33, clamps 34, sliding connecting rods 35, rolling balls 36, slots 37, a third drive motor 38, a pull-out recovery frame 39, and a push spring 30. The bottom ends of the two sets of guide plates 31 are fixedly connected to the top of the frame 1 through support plates. The openings of the guide plates 31 face the left and right ends. The distance between the two sets of guide plates 31 located below the bending and cutting surface assembly 4 is less than the distance between the openings and the bottom of the n-shaped support frame 234. The guide plates 31 have slots 37 along their inner edges, which extend through the left and right ends. The bottom end of the third drive motor 38 is fixedly connected to the top of the frame 1. The output shaft of the third drive motor 38 is fixedly connected to a set of pulleys. The pulleys are fixedly connected to another set of pulleys through a shaft. Two sets of pulleys are also fixedly connected to the other end of the frame 1. The two sets of pulleys are connected through a shaft. The two sets of moving conveyor belts 32 are respectively connected by the two sets of pulleys at the left and right ends. Several sets of connecting blocks 33 are connected to the moving conveyor belts 32. The two sets of moving conveyor belts 32 are fixedly connected, and the connecting blocks 33 on the two sets of moving conveyor belts 32 are aligned and flush. The connecting blocks 33 are provided with grooves, and the sliding connecting rods 35 pass through the grooves and are slidably connected to the connecting blocks 33. The end of the sliding connecting rods 35 away from the guide plate 31 is fixedly connected to the clamps 34. The clamps 34 are L-shaped plates with closed left and right ends. The two sets of flush clamps 34 are connected at the ends away from the guide plate 31. The outer wall of the end of the sliding connecting rods 35 near the guide plate 31 is slidably connected to the upper and lower inner walls of the slots 37. Next, a receiving groove is provided at one end of the sliding connecting rod 35 near the guide plate 31. The rotation shafts of several sets of rolling balls 36 are rotatably connected to the receiving groove on the sliding connecting rod 35. The rolling balls 36 are rotatably contacted with the inner wall of the slot 37. The two ends of the push spring 30 are fixedly connected to the connecting block 33 and the clamp 34 respectively. The pull-out recycling frame 39 is slidably connected to the bottom of the end of the frame 1 away from the directional feeding component 2, and the pull-out recycling frame 39 is located below the opening at the end of the guide plate 31 away from the directional feeding component 2.

[0047] The third drive motor 38 of the automatic feeding and conveying assembly 3 drives the moving conveyor belt 32 to move. The moving conveyor belt 32 drives the connecting block 33 to move. The connecting block 33 drives the clamps 34 and the sliding connecting rod 35 to move. When the sliding connecting rod 35 just contacts the slot 37, the push spring 30 is in a fully relaxed state. As the connecting block 33 moves closer to the bending and cutting assembly 4, the push spring 30 is pulled open, pushing the sliding connecting rod 35 to always be in contact with the slot 37, and also pushing the two sets of clamps 34 closer together. The two sets of clamps 34 that are close together hold the material on the vertical conveyor belt 232... The bottom end of the processing guide pin is clamped, and the clamp 34 drives the sliding connecting rod 35 to move below the bending and cutting assembly 4. When the guide plate 31 is below the bending and cutting assembly 4, it has a small opening to facilitate the processing of the bending and cutting assembly 4. After processing, the guide plate 31 drives the processed guide pin to move above the pull-out recycling frame 39. Due to the opening of the guide plate 31, the spring 30 is pushed back to drive the clamp 34 to release the guide pin. The guide pin falls into the pull-out recycling frame 39 for recycling, completing the automatic recycling effect. The pull-out recycling frame 39 can be pulled out and replaced. Example 3

[0048] In some embodiments, such as Figures 1-9 As shown, in a preferred embodiment of the present invention, the frame 1 is also connected to a bending cutting surface assembly 4 for bending and cutting off the bevel.

[0049] The bending and cutting assembly 4 includes a lifting support assembly 41 and a bending and cutting assembly 42; both the lifting support assembly 41 and the bending and cutting assembly 42 are fixedly connected to the frame 1, the bending and cutting assembly 42 is connected to the lifting support assembly 41, and the bending and cutting assembly 42 is connected to the automatic feeding and conveying assembly 3.

[0050] The lifting support assembly 41 includes a lifting cylinder 411, an annular frame 412, a support spring 413, a support rod 414, and a connecting plate 415. The bottom ends of the lifting cylinder 411 and the annular frame 412 are fixedly connected to the top end of the frame 1. The two ends of the support spring 413 are fixedly connected to the bottom end of the inner wall of the annular frame 412 and the bottom end of the support rod 414, respectively. The outer wall of the support rod 414 is slidably connected to the inner wall of the annular frame 412. The bottom ends of the lifting cylinder 411 and the support rod 414 are fixedly connected to the bottom end of the connecting plate 415.

[0051] The bending and cutting assembly 42 includes a stationary die 421, a stationary die support plate 422, a moving die 423, a trapezoidal contact block 424, a moving die support plate 425, a slide rail 426, and a blocking plate 427. One end of the stationary die support plate 422 is fixedly connected to the nearby guide plate 31, and the other end of the stationary die support plate 422 is fixedly connected to the stationary die 421. One end of the moving die support plate 425, near the other guide plate 31, is slidably connected to the slide rail 426. The inner wall of the slide rail 426, away from the stationary die 421, is fixedly connected to the moving die support plate 425 via a spring. The bottom end of the slide rail 426 is fixedly connected to the top end of the frame 1. The other end of the moving die support plate 425 is fixedly connected to one end of the moving die 423. The other end of the moving die 423 is in contact with the guide pin to be processed. The end of the moving die 423, near the moving die support plate 425, is fixedly connected to the trapezoidal contact block 424. The inclined surface of the contact block 424 faces the moving mold support plate 425. The top ends of the blocking plate 427, the cutting blade 428, and the trapezoidal pushing block 429 are all fixedly connected to the bottom end of the connecting plate 415. The cutting blade 428 and the trapezoidal pushing block 429 are located between the two sets of blocking plates 427. The bottom end of the cutting blade 428 is in contact with the stationary mold support plate 422, and the bottom end of the trapezoidal pushing block 429 is in contact with the inclined surface of the trapezoidal contact block 424. A sliding groove is provided on the moving mold 423. The outer wall of one set of blocking plates 427 is slidably connected to the sliding groove on the moving mold 423. A moving mold sliding groove 420 is provided on the moving mold support plate 425. The length of the moving mold sliding groove 420 is greater than the length of the sliding groove on the moving mold 423. The left and right outer walls of the other set of blocking plates 427 are slidably connected to the left and right inner walls of the moving mold sliding groove 420. The blocking plate 427 is in contact with the sliding connecting rod 35.

[0052] The bottom ends of the stationary mold 421, the stationary mold support plate 422, the moving mold 423, and the moving mold support plate 425 are all higher than the top ends of the sliding connecting rod 35, the connecting block 33, and the fixture 34. The lengths of the stationary mold 421, the moving mold 423, and the cutting blade 428 are greater than the length of the fixture 34.

[0053] When the fixture 34 moves the guide pin to be processed to below the bending and cutting assembly 4, the moving conveyor belt 32 stops moving, and the blocking plate 427 of the bending and cutting assembly 42 blocks the two sets of sliding connecting rods 35, so that the sliding connecting rods 35 stop in time, which facilitates more accurate operation. At this time, because the guide plate 31 has a small opening, the fixture 34 is in a slightly relaxed state for the guide pin to be processed, and the guide pin to be processed can slide up and down within the two sets of fixtures 34. The lifting cylinder 411 of the lifting support assembly 41 is activated, and the lifting cylinder 411 moves the connecting plate 415 down. The annular frame 412, the support spring 413 and the support rod 414 support the connecting plate 415 and keep the connecting plate 415 balanced. The trapezoidal push block 429 and the cutting blade 428 descend accordingly. The cutting blade 428 contacts the trapezoidal contact block 424, and the trapezoidal contact block 424 pushes the moving mold support plate 425 to move along the slide rail 426 towards the stationary mold 421. When the lowest point of the inclined surface of the contact block 424 contacts the lowest point of the inclined surface of the trapezoidal push block 429, the stationary mold 421 and the moving mold support plate 425 cooperate to complete the bending effect of the guide pin. The trapezoidal push block 429 continues to move downward, and the moving mold support plate 425 will not continue to move. At this time, the cutting blade 428 contacts the guide pin. The cutting blade 428 continues to move downward until it contacts the stationary mold 421 to complete the cutting effect of the guide pin. Since the upper end of the guide pin is in a bent state, the cutting surface is inclined. The lifting support assembly 41 and the bending and cutting assembly 42 cooperate to complete the bending and cutting purpose of the guide pin at the same time. Subsequently, the lifting cylinder 411 drives the connecting plate 415 to rise. The moving mold support plate 425 moves away from the stationary mold 421 under the contraction of the spring. When the bottom end of the blocking plate 427 is higher than the top end of the sliding connecting rod 35, the sliding connecting rod 35 continues to move. The clamp 34 drives the processed guide pin to continue to move until the opening releases the guide pin into the pull-out recovery frame 39.

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A negative pressure drainage guide needle bending device, comprising a frame (1), characterized in that: The frame (1) is connected to a directional feeding assembly (2) for automatically adjusting the rotation state of the guide pin to be bent and automatically feeding the material. The frame (1) is connected to an automatic feeding conveyor assembly (3) for clamping and moving the guide pin to be processed and for automatic feeding. The frame (1) is also connected to a bending cut assembly (4) for bending and cutting off the bevel. The bending and cutting assembly (4) includes a lifting support assembly (41) and a bending and cutting assembly (42); both the lifting support assembly (41) and the bending and cutting assembly (42) are fixedly connected to the frame (1), the bending and cutting assembly (42) is connected to the lifting support assembly (41), and the bending and cutting assembly (42) is connected to the automatic feeding and conveying assembly (3); The directional feeding assembly (2) includes a fixed assembly (21), a lifting assembly (22), and a conveying assembly (23); the lifting assembly (22) and the conveying assembly (23) are both connected to the fixed assembly (21), and the conveying assembly (23) is connected to the frame (1); The fixing component (21) includes an outer frame (211), trapezoidal fixing plates, and a back plate (213). The outer frame (211) is a semi-enclosed box with open top and rear ends, and the outer frame (211) has four support frames. The front end of the outer frame (211) is a sloping plate, which decreases in height from front to back. The sloping plate is in contact with the guide pin to be processed. The rear end of the outer frame (211) is fixedly connected to the back plate (213). The outer walls of the left and right ends of the three sets of trapezoidal fixing plates are respectively close to the back plate (213) of the outer frame (211). The inner walls of the left and right ends are fixedly connected, and the height of the top of the trapezoidal fixing plate decreases from front to back. The three sets of trapezoidal fixing plates are set as the first trapezoidal fixing plate, the second trapezoidal fixing plate and the third trapezoidal fixing plate from back to front. The bottom of the trapezoidal fixing plate at the rear end is lower than the lowest point of the top of the trapezoidal fixing plate at the front end. The outer frame (211), the first trapezoidal fixing plate and the back plate (213) are all connected to the conveying assembly (23). The outer frame (211) and the three sets of trapezoidal fixing plates are all connected to the lifting assembly (22). The lifting support assembly (41) includes a lifting cylinder (411), an annular frame (412), a support spring (413), a support rod (414), and a connecting plate (415); the bottom ends of the lifting cylinder (411) and the annular frame (412) are fixedly connected to the top end of the frame (1); the two ends of the support spring (413) are fixedly connected to the bottom end of the inner wall of the annular frame (412) and the bottom end of the support rod (414), respectively; the outer wall of the support rod (414) is slidably connected to the inner wall of the annular frame (412); and the bottom ends of the lifting cylinder (411) and the support rod (414) are fixedly connected to the bottom end of the connecting plate (415). The bending and cutting assembly (42) includes a stationary mold (421), a stationary mold support plate (422), a moving mold (423), a trapezoidal contact block (424), a moving mold support plate (425), a slide rail (426), and a blocking plate (427); one end of the stationary mold support plate (422) is fixedly connected to the nearby guide plate (31), and the other end of the stationary mold support plate (422) is fixedly connected to the stationary mold (421); one end of the moving mold support plate (425) near the other side guide plate (31) is connected to the slide rail (427). 26) Sliding connection: The inner wall of the slide rail (426) away from the stationary mold (421) is fixedly connected to the moving mold support plate (425) by a spring; the bottom end of the slide rail (426) is fixedly connected to the top end of the frame (1); the other end of the moving mold support plate (425) is fixedly connected to one end of the moving mold (423); the other end of the moving mold (423) is in contact with the guide pin to be processed; the end of the moving mold (423) near the moving mold support plate (425) is fixedly connected to the trapezoidal contact block (424). The inclined surface of the contact block (424) faces the moving mold support plate (425). The top ends of the blocking plate (427), the cutting blade (428), and the trapezoidal pushing block (429) are all fixedly connected to the bottom end of the connecting plate (415). The cutting blade (428) and the trapezoidal pushing block (429) are located between the two sets of blocking plates (427). The bottom end of the cutting blade (428) is in contact with the stationary mold support plate (422), and the bottom end of the trapezoidal pushing block (429) is in contact with the inclined surface of the trapezoidal contact block (424). The moving mold (423) is connected to the sliding groove. The outer wall of one set of the blocking plates (427) is slidably connected to the sliding groove on the moving mold (423). The moving mold support plate (425) is provided with a moving mold sliding groove (420). The length of the moving mold sliding groove (420) is greater than the length of the sliding groove on the moving mold (423). The left and right outer walls of the other set of blocking plates (427) are slidably connected to the left and right inner walls of the moving mold sliding groove (420). The blocking plate (427) is in contact with the sliding connecting rod (35).

2. The negative pressure drainage guide needle bending device according to claim 1, characterized in that, The lifting assembly (22) includes a lifting motor (221), a conveyor belt (222), a drive wheel (223), a first connecting roller (224), a second connecting roller (225), a support plate (226), and a trapezoidal lifting plate (227). The lifting motor (221) is located below the outer frame (211). The output end of the lifting motor (221) is fixedly connected to a set of pulleys. The middle part of the drive wheel (223) is also fixedly connected to a set of pulleys. The two sets of pulleys are connected by transmission through the conveyor belt (222). The other side of the drive wheel (223) is fixedly connected to the first connecting roller (224). The first connecting roller (224) is rotatably connected to one end of the second connecting roller (225). The other end of the second connecting roller (225) is rotatably connected to the bottom end of the support plate (226). The bottom end of the support plate (226) is a flat plate, and the top end of the support plate (226) is three sets of connecting rollers of different heights. The plate has three sets of connecting plates with increasing height from front to back. The top of the support plate (226) is fixedly connected to the three sets of trapezoidal lifting plates (227). The top of the trapezoidal lifting plates (227) decreases from front to back. The front and rear ends of the trapezoidal lifting plates (227) are slidably connected to the two adjacent sets of trapezoidal fixed plates. The front end of the trapezoidal lifting plate (227) at the front end is slidably connected to the rear end of the inclined plate of the outer frame (211). The lowest point of the top of the trapezoidal lifting plate (227) at the highest height is level with the highest point of the top of the trapezoidal fixed plate at the rear end. The highest point of the top of the trapezoidal lifting plate (227) at the lowest height is level with the lowest point of the top of the trapezoidal fixed plate at the front end. When the trapezoidal lifting plate (227) at the front end is at the lowest height, the highest point of the top of the trapezoidal lifting plate (227) is level with the top of the inclined plate of the outer frame (211).

3. The negative pressure drainage guide needle bending device according to claim 2, characterized in that, The conveying assembly (23) includes a transverse conveyor belt (231), a vertical conveyor belt (232), a first drive motor (233), an n-shaped support frame (234), and a second drive motor (235). The first drive motor (233) is fixedly connected to one rear end of the back plate (213). The output end of the first drive motor (233) passes through the back plate (213) and is connected to a set of rotating shafts. The two sets of rotating shafts are rotatably connected to a set of first trapezoidal fixed plates at the rear end and the left and right ends of the back plate (213) respectively through bearings. The transverse conveyor belt (231) is driven by the two sets of rotating shafts. 1) is slidably connected to the first trapezoidal fixed plate and the back plate (213) at the front and rear respectively. The bottom end of the n-shaped support frame (234) is fixedly connected to the top end of the frame (1). The middle part of the n-shaped support frame (234) is fixedly connected to two sets of the second drive motors (235). The output end of the sliding connecting rod (35) is fixedly connected to a set of pulleys. The other set of pulleys is rotatably connected to the outer frame (211) through bearings. The vertical conveyor belt (232) is connected by transmission through two sets of left and right pulleys. The distance between the two sets of vertical conveyor belts (232) is greater than the bottom end of the guide pin to be processed and less than the top end of the guide pin.

4. The negative pressure drainage guide needle bending device according to claim 3, characterized in that, The automatic feeding and conveying assembly (3) includes a guide plate (31), a moving conveyor belt (32), a connecting block (33), a clamp (34), a sliding connecting rod (35), a rolling ball (36), a slot (37), a third drive motor (38), a pull-out recovery frame (39), and a push spring (30). The bottom ends of the two sets of guide plates (31) are fixedly connected to the top of the frame (1) through support plates. The openings of the guide plates (31) face the left and right ends. The distance between the two sets of guide plates (31) located below the bending and cutting assembly (4) is less than the opening of the n-shaped support frame (234). The guide plate (31) has a slot (37) along its inner edge at the lower distance. The slot (37) runs through both the left and right ends. The bottom end of the third drive motor (38) is fixedly connected to the top end of the frame (1). The output shaft of the third drive motor (38) is fixedly connected to a set of pulleys. The pulleys are fixedly connected to another set of pulleys through the shaft. Two sets of pulleys are also fixedly connected to the other end of the frame (1). The two sets of pulleys are connected through the shaft. The two sets of moving conveyor belts (32) are respectively connected by the two sets of pulleys at the left and right ends. Several sets of connecting blocks (33) are connected to the moving conveyor belts (32). 2) Fixed connection, and the connecting blocks (33) on the two sets of moving conveyor belts (32) are aligned and flush. The connecting blocks (33) are provided with grooves. The sliding connecting rod (35) passes through the grooves and is slidably connected to the connecting blocks (33). The end of the sliding connecting rod (35) away from the guide plate (31) is fixedly connected to the clamp (34). The clamp (34) is an L-shaped plate with closed ends on the left and right sides. The ends of the two sets of clamps (34) that are flush are in contact with the guide plate (31). The outer wall of the end of the sliding connecting rod (35) close to the guide plate (31) is slidably connected to the upper and lower inner walls of the groove (37). Next, a receiving groove is provided at one end of the sliding connecting rod (35) near the guide plate (31). The rotating shafts of several sets of rolling balls (36) are rotatably connected to the receiving groove on the sliding connecting rod (35). The rolling balls (36) are rotatably contacted with the inner wall of the slot (37). The two ends of the push spring (30) are fixedly connected to the connecting block (33) and the clamp (34) respectively. The pull-out recycling frame (39) is slidably connected to the bottom of the end of the frame (1) away from the directional feeding component (2). The pull-out recycling frame (39) is located below the opening at the end of the guide plate (31) away from the directional feeding component (2).

5. The negative pressure drainage guide needle bending device according to claim 4, characterized in that, The bottom ends of the stationary mold (421), the stationary mold support plate (422), the moving mold (423), and the moving mold support plate (425) are all higher than the top ends of the sliding connecting rod (35), the connecting block (33), and the fixture (34). The lengths of the stationary mold (421), the moving mold (423), and the cutting blade (428) are greater than the length of the fixture (34).

6. A bending method using the apparatus as described in claim 5: Step 1: Place the guide pins to be processed in batches inside the outer frame (211) of the fixed component (21) of the directional feeding component (2). Start the lifting motor (221) of the lifting component (22). The lifting motor (221) drives the drive wheel (223) to rotate through the conveyor belt (222). The first connecting roller (224) moves in a circular motion with the drive wheel (223). The first connecting roller (224) drives the second connecting roller (225) to move in a circular motion. The second connecting roller (225) pushes the support plate (226) to move up and down. The support plate (226) drives the three sets of trapezoidal lifting plates (227) to move up and down. When the three sets of trapezoidal lifting plates (227) are lowered to the lowest point, the guide pins to be processed inside the outer frame (211) fall into the frontmost trapezoidal lifting plate (227) under gravity. The components to be processed on the trapezoidal fixed plate fall into the trapezoidal lifting plates at their rear ends. As the trapezoidal lifting plate (227) rises to its highest point, the guide pins to be processed on the trapezoidal lifting plate (227) fall onto the trapezoidal fixed plate at its rear end. The guide pins to be processed on the rightmost first trapezoidal fixed plate fall onto the transverse conveyor belt (231) of the conveying assembly (23). The first drive motor (233) drives the transverse conveyor belt (231) to move toward the bending and cutting assembly (4). The transverse conveyor belt (231) drives the guide pins to be processed to be conveyed to the two sets of vertical conveyor belts (232). Since the distance between the two sets of vertical conveyor belts (232) is greater than the bottom end of the guide pin and less than the top end of the guide pin, the bottom end of the guide pin falls between the two sets of vertical conveyor belts (232). The vertical guide pins to be processed are conveyed toward the bending and cutting assembly (4) along with the vertical conveyor belt (232). Step 2: The third drive motor (38) of the automatic feeding conveyor assembly (3) drives the moving conveyor belt (32) to move. The moving conveyor belt (32) drives the connecting block (33) to move. The connecting block (33) drives the clamp (34) and the sliding connecting rod (35) to move. When the sliding connecting rod (35) just contacts the slot (37), the push spring (30) is in a fully relaxed state. As the connecting block (33) approaches the bending section assembly (4), the push spring (30) is pulled open, pushing the sliding section assembly (35) to move. The moving connecting rod (35) is always in contact with the slot (37) and also pushes the two sets of clamps (34) closer until the clamps (34) on the two sets of moving conveyor belts (32) clamp the bottom end of the guide pin to be processed at the end of the vertical conveyor belt (232). After clamping, the clamps (34) drive the sliding connecting rod (35) to move to the bottom of the bending and cutting assembly (4). When the guide plate (31) is located below the bending and cutting assembly (4), it has a small opening to facilitate the processing of the bending and cutting assembly (4). Step 3: When the clamp (34) moves the guide pin to be processed to below the bending and cutting assembly (4), the moving conveyor belt (32) stops moving, and the blocking plate (427) of the bending and cutting assembly (42) blocks the two sets of sliding connecting rods (35), so that the sliding connecting rods (35) stop in time, which facilitates more accurate operation. At this time, because the guide plate (31) has a small opening, the two sets of clamps (34) are in contact with the guide pin to be processed but not clamped. The guide pin to be processed can slide up and down in the two sets of clamps (34). Start the lifting cylinder (411) of the lifting support assembly (41). The lifting cylinder (411) drives the connecting plate (415) to descend. The ring frame (412), the support spring (413) and the support rod (414) support the connecting plate (415) to keep the connecting plate (415) balanced. The trapezoidal push block (429) The cutting blade (428) descends and contacts the trapezoidal contact block (424). The trapezoidal contact block (424) pushes the moving mold support plate (425) to move along the slide rail (426) towards the stationary mold (421). When the lowest point of the inclined surface of the trapezoidal contact block (424) contacts the lowest point of the inclined surface of the trapezoidal push block (429), the stationary mold (421) and the moving mold support plate (425) work together to complete the bending effect on the guide pin. The trapezoidal push block (429) continues to move downward, and the moving mold support plate (425) will not continue to move. At this time, the cutting blade (428) contacts the guide pin. The cutting blade (428) continues to move downward until it contacts the stationary mold (421) to complete the cutting effect on the guide pin. Since the upper end of the guide pin is in a bent state, the cutting surface is an inclined surface. The lifting support assembly (41) and the bending and cutting assembly (42) work together to complete the bending and cutting purpose on the guide pin. Step 4: The lifting cylinder (411) drives the connecting plate (415) to rise, and the moving mold support plate (425) moves away from the stationary mold (421) under the contraction of the spring. When the bottom of the blocking plate (427) is higher than the top of the sliding connecting rod (35), the third drive motor (38) is restarted. The guide plate (31) drives the clamp (34) to continue moving. The clamp (34) drives the processed guide pin to the opening of the guide plate (31). The clamp (34) contracts under the return force of the spring and releases the guide pin into the pull-out recycling box (39). The guide pin falls into the pull-out recycling box (39) for recycling, completing the automatic recycling effect. The pull-out recycling box (39) can be pulled out and replaced. Step 5: Before the next set of sliding connecting rods (35) arrives, restart the lifting cylinder (411) to drive the connecting plate (415) down until the bottom of the two sets of blocking plates (427) driven by the connecting plate (415) is higher than the bottom of the sliding connecting rod (35).

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