Automatic assembling equipment for venous indwelling needle

Abstract

The automatic assembling equipment comprises a needleless positive pressure connector conveying mechanism, a communicating pipe conveying mechanism and a needle head assembling mechanism, the communicating pipe conveying mechanism is located between the needleless positive pressure connector conveying mechanism and the needle head assembling mechanism, and gluing mechanisms are arranged on the two sides of the communicating pipe conveying mechanism; automatic machining of the venous indwelling needle is conveniently achieved, so that the machining efficiency is improved, meanwhile, the labor intensity of workers is reduced, and sterile machining of the indwelling needle is guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of medical device processing equipment, and particularly to an automatic assembly device for an intravenous indwelling needle. Background Art

[0002] Currently, indwelling needles are mainly processed manually by workers. The workers dock the indwelling needle hose with the hose seat, then insert the combined hose into the catheter seat, then puncture the assembled syringe needle tip through an isolation plug, and then insert the syringe and the isolation plug into the catheter seat. The syringe passes through the indwelling hose, and the isolation plug blocks the catheter seat; then the catheter seat is docked with one end of the connecting tube, a stop clamp is sleeved on the connecting tube, and the other end of the connecting tube is docked with a needleless positive pressure connector; the above-mentioned assembly process of the indwelling needle is mainly processed manually. Since the indwelling needle has many process steps and the indwelling needle syringe and indwelling needle hose are relatively small, it is rather troublesome for workers to operate, resulting in relatively low processing efficiency. At the same time, workers stare at relatively thin parts for a long time, and the labor intensity of the workers is high.

[0003] Inner Cylinder of the Invention Aiming at the above deficiencies of the prior art, the present invention proposes an automatic assembly device for an intravenous indwelling needle, which is convenient for realizing the automatic processing of the intravenous indwelling needle, thereby improving the processing efficiency, reducing the labor intensity of workers at the same time, and ensuring the aseptic processing of the indwelling needle.

[0004] To achieve the above object, the solution of the present invention is: an automatic assembly device for an intravenous indwelling needle, including a needleless positive pressure connector conveying mechanism, a connecting tube conveying mechanism and a needle assembly mechanism. The connecting tube conveying mechanism is located between the needleless positive pressure connector conveying mechanism and the needle assembly mechanism, and glue applying mechanisms are arranged on both sides of the connecting tube conveying mechanism; The connecting tube conveying mechanism includes a translation assembly and a first fixture. A plurality of groups of first fixtures arranged side by side are installed on the translation assembly, and the connecting tubes passing through the stop clamps are placed on the first fixtures; The needleless positive pressure connector conveying mechanism includes a needleless positive pressure connector sorting assembly and a second fixture. The needleless positive pressure connector sorting assembly is a vibration sorting machine connected to a needleless positive pressure connector linear track, and the second fixture is directly connected to the needleless positive pressure connector linear track; The needle assembly mechanism includes a catheter seat clamping fixture, a hose seat docking assembly, an isolation plug docking assembly and a syringe docking assembly. Among them, a plurality of catheter seat clamping fixtures are installed on a circulating conveying assembly. The catheter seat clamping fixtures are sequentially docked with the hose seat docking assembly and the syringe docking assembly, and the isolation plug docking assembly is docked with the syringe docking assembly, so as to complete the assembly of the needle part; A first general clamping arm and a second general clamping arm are provided between the second jig and the first jig, and between the catheter seat clamping jig and the first jig. The needleless positive pressure connector, the needle and the connecting tube are docked through a clamping and docking mechanism.

[0005] Preferably, a plurality of catheter seat embedding grooves arranged side by side are formed on the catheter seat clamping jig. The catheter seat docked with the hose seat is embedded into the catheter seat embedding grooves. The catheter seat embedding grooves are tapered towards the connecting tube conveying mechanism. A second general clamping arm is arranged above the catheter seat clamping jig. A swing arm is installed on the second general clamping arm. The angle of the second general clamping arm is adjusted through the swing arm. A translation seat is arranged above the swing arm. The second general clamping arm docks the needle and the connecting tube through the translation of the translation seat.

[0006] Preferably, the hose seat docking assembly includes a hose seat sorting machine, a hose seat conveying assembly, and a hose docking module. The hose seat sorting mechanism is docked with a hose seat linear track. The sorted hose seats are transported on the hose seat linear track with the tips facing up. The end of the hose seat linear track is docked with the hose seat conveying assembly. The hose seat conveying assembly includes a hose seat clamping block and a positioning pin. A plurality of hose seat clamping blocks are transported through a circulating conveying assembly. A baffle for restricting the feeding of the hose seat linear track is installed on the hose seat clamping block. A hose seat embedding groove is formed on the hose seat clamping block. The single hose seat on the hose seat linear track is transported into the hose seat embedding groove. A positioning pin is installed at the bottom of the hose seat clamping block. The positioning pin passes through the hose seat clamping block. A spring is sleeved on the positioning pin. The spring abuts against the bottom of the hose seat clamping block. The positioning pin passes through the hose seat to complete positioning. The hose docking module inserts the hose onto the hose seat.

[0007] Preferably, a hose docking module is arranged above the hose seat clamping block. The hose docking module includes a hose groove, a lifting plate, a hose placement groove, and a hose clamping arm. Hoses are stacked in the hose groove. A plurality of vertically arranged lifting plates are arranged in the hose groove. The lifting plates move up and down. The top of the lifting plate is a tapered inclined surface. A semi-circular hose placement groove is formed at the top of the tapered inclined surface. One hose can be placed in each hose placement groove. A hose clamping arm is arranged on each hose placement groove. The hose clamping arm can be lifted and the swing angle can be adjusted. A pushing assembly is arranged below the hose seat clamping block. The positioning pin is pushed upwards through the pushing assembly. The root of the positioning pin is a tapered block that fits against the inner wall of the hose seat.

[0008] Preferably, the catheter seat is placed in a catheter seat sorting machine, which is connected to a catheter seat linear track. A catheter seat clamping arm is installed at the end of the catheter seat linear track. The catheter seat clamping arm places the catheter seat on the hose seat embedding groove. At the same time, the catheter seat is sleeved on the hose and the hose seat, and the catheter seat and the hose seat are spliced ​​by pushing up the pushing assembly; the needle protective cover is placed in a protective cover sorting machine, which is connected to a protective cover linear track. The protective cover linear track horizontally transports the needle protective cover, and is docked with a protective cover clamping arm at the end of the protective cover linear track. The protective cover is clamped by the protective cover clamping arm and sleeved on the front end of the catheter seat, and the protective cover clamping arm places the catheter seat in the tube seat clamping fixture.

[0009] Preferably, the needle tube docking assembly includes a needle tube seat sorting machine, a needle tube seat linear guide rail, a needle tube docking module and a needle tube seat clamping arm, wherein the needle tube seat sorting machine is docked with the needle tube seat linear guide rail, the end of the needle tube seat linear guide rail is docked with the needle tube seat clamping arm, a needle tube docking module is arranged on one side of the needle tube seat linear guide rail, the needle tube docking module includes a needle tube seat placement groove, a needle tube groove, a needle tube top plate and a needle tube clamping plate, the needle tube docking module is a flat plate, a needle tube seat placement groove for inserting the needle tube seat is opened on the flat plate, a through hole for the needle tube top plate to pass through is opened on the flat plate, and a needle tube placement device is installed at the bottom of the flat plate The trough body, the needle tube top plate rises and falls in the trough body where the needle tube is placed, the top of the needle tube top plate is conical, and a trough body that can place a needle tube is opened on the top of the needle tube top plate. When the needle tube top plate is lifted to the point where the needle tube is coaxial with the needle tube seat, two needle tube clamping plates are arranged at the end of the flat plate away from the needle tube seat placement slot, the bottom of the needle tube clamping plate slides with the flat plate, and a telescopic cylinder is arranged at the tail of the needle tube clamping plate, through which the needle tube is pushed toward the needle tube seat, when the needle tube is pushed toward the needle tube seat, the needle tube clamping plate first clamps the needle tube, and the docked needle tube is clamped away by the needle tube seat clamping arm.

[0010] Preferably, the isolation plug docking assembly is an isolation plug sorting machine and an isolation plug linear track, the isolation plug sorting machine is docked with the isolation plug linear track, and an isolation plug lifting platform is provided at the end of the isolation plug linear track. When the isolation plug lifting platform is lifted, it is coaxial with the catheter seat, and the needle tube seat clamping arm will move to be coaxial with the needle tube and the isolation plug, and at the same time, the needle tube seat clamping arm will push the needle tube toward the catheter seat, so that the needle tube seat and the isolation plug are inserted into the catheter seat.

[0011] Preferably, a lifting platform is arranged on the second fixture, and a plurality of temporary storage slots are opened on the lifting platform. The needle-free positive pressure connector at the end of the linear track is transported to the temporary storage slot. A lifting cylinder is arranged at the bottom of the lifting platform, and a baffle is arranged at the bottom of the lifting platform. When the lifting platform rises, the baffle blocks the end of the linear track; a first general assembly clamping arm is arranged above the end of the linear track of the needle-free positive pressure connector, and the first general assembly clamping arm is a three-jaw chuck. A docking cylinder is arranged at the tail of the first general assembly clamping arm, and the needle-free positive pressure connector is docked with one end of the connecting pipe through the docking cylinder.

[0012] Preferably, two sets of oppositely arranged groove plates are installed on the first jig. A plurality of placement grooves are formed in the groove plates, and the placement grooves on the two groove plates are oppositely arranged; a positioning plate is arranged on one side of the groove plate, and a card slot and a limiting plate are arranged on the positioning plate. Among them, a plurality of oppositely arranged card slots are arranged on the top of the positioning plate, and a slidable limiting plate is arranged outside the outermost card slot. The limiting plate is attached to the outer wall of the card slot through sliding, so as to limit the end of the communication pipe. A pipe clamping assembly capable of translating is arranged above the positioning plate, and the pipe clamping assembly clamps the communication pipe on the positioning plate onto the first jig.

[0013] Preferably, there are two sets of end alignment mechanisms for the communication pipe, and the two sets are respectively arranged oppositely to the gluing mechanism and the clamping and docking mechanism; the end alignment mechanism for the communication pipe includes an upper alignment die and a lower alignment die. A telescopic cylinder is arranged between the upper alignment die and the lower alignment die. The upper alignment die and the lower alignment die are two sets, and each set of the upper alignment die and the lower alignment die is located on both sides of the first jig. When the upper alignment die and the lower alignment die are closed, the end of the communication pipe is flush with the upper alignment die. The gluing mechanism extends into the end of the communication pipe for gluing, and then the needleless positive pressure joint and the needle are respectively docked with both ends of the communication pipe.

[0014] Compared with the prior art, the advantages of the present invention are as follows: it is convenient to realize the automatic processing of the venous indwelling needle, which improves the processing efficiency, reduces the labor intensity of the staff, and ensures the aseptic processing of the indwelling needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a top view of the present invention.

[0016] Figure 2 It is a docking schematic diagram of the first jig, the second jig and the catheter seat clamping jig of the present invention.

[0017] Figure 3 It is a schematic diagram of the hose seat docking assembly of the present invention.

[0018] Figure 4 It is a schematic diagram of the hose docking module of the present invention.

[0019] Figure 5 It is a schematic diagram of the hose groove and the lifting plate of the present invention.

[0020] Figure 6 It is a schematic diagram of the catheter seat linear track and the hose seat embedding groove of the present invention.

[0021] Figure 7 It is a schematic diagram of three positions during the processing of the protective sleeve clamping arm of the present invention.

[0022] Figure 8 It is a schematic diagram of the protective sleeve clamping arm of the present invention.

[0023] Figure 9 Schematic diagram of the clamping fixture for the catheter seat, the linear track of the isolation plug, and the needle tube docking module of the present invention.

[0024] Figure 10 Schematic diagram of the needle tube seat clamping arm of the present invention.

[0025] Figure 11 Schematic diagram of the needle tube docking module of the present invention and the schematic diagram of the needle tube docking module with the needle tube clamping plate removed.

[0026] Figure 12 Schematic diagram of the second general clamping arm of the present invention.

[0027] Figure 13 Two schematic diagrams of the end alignment mechanism of the connecting pipe of the present invention.

[0028] Figure 14 Schematic diagram of the alignment plate and the first fixture of the present invention.

[0029] Among them, 1. needleless positive pressure connector conveying mechanism, 2. needleless positive pressure connector sorting assembly, 4. needleless positive pressure connector linear track, 5. second fixture, 6. lifting table, 7. temporary storage tank, 8. baffle, 9. first general clamping arm, 10. docking cylinder, 11. connecting pipe conveying mechanism, 12. translation assembly, 13. first fixture, 14. groove plate, 15. placement groove, 16. alignment plate, 17. card slot, 18. limiting plate, 19. pipe clamping assembly, 20. needle head assembling mechanism, 21. catheter seat clamping fixture, 22. catheter seat embedding groove, 23. second general clamping arm, 24. swing arm, 25. translation seat, 27. hose seat docking assembly, 28. hose seat sorter, 29. hose seat linear track, 30. hose seat conveying assembly, 31. retaining piece, 32. hose seat embedding groove, 33. hose seat clamping block, 34. positioning pin, 35. hose docking module, 36. hose groove, 37. jacking plate, 38. hose placement groove, 39. hose clamping arm, 40. pushing assembly, 41. tapered block, 42. catheter seat sorter, 43. catheter seat linear track, 44. catheter seat clamping arm, 45. protective sleeve sorter, 46. protective sleeve linear track, 47. protective sleeve clamping arm, 49. isolation plug docking assembly, 50. isolation plug sorter, 51. isolation plug linear track, 52. isolation plug lifting support platform, 53. needle tube docking assembly, 54. needle tube seat sorter, 55. needle tube seat linear guide rail, 56. needle tube docking module, 57. needle tube seat placement groove, 58. needle tube groove, 59. needle tube top plate, 60. needle tube clamping plate, 61. needle tube seat clamping arm, 63. glue application mechanism, 64. clamping and docking mechanism, 65. connecting pipe end alignment mechanism, 66. upper alignment die, 67. lower alignment die. Detailed implementation mode

[0030] The present invention will be further described in conjunction with the accompanying drawings.

[0031] As Figure 1-14 described, an automatic assembly device for an indwelling venous catheter includes a non-needle positive pressure connector conveying mechanism 1, a connecting tube conveying mechanism 11, and a needle assembly mechanism 20. The connecting tube conveying mechanism 11 is located between the non-needle positive pressure connector conveying mechanism 1 and the needle assembly mechanism 20. The non-needle positive pressure connector conveying mechanism 1, the connecting tube conveying mechanism 11, and the needle assembly mechanism 20 are all installed on the table. Gluing mechanisms 63 are arranged on both sides of the connecting tube conveying mechanism 11. The gluing mechanisms 63 include gluing swing plates, gluing rods, rotating modules, and gluing displacement components. Gluing rods are installed on the gluing swing plates and are rotatably connected to the gluing swing plates. Gears are installed at one end of each gluing rod. Rotating modules are arranged above the gluing swing plates. The rotating modules are racks driven by cylinders. The racks are engaged with a single gear and multiple gears are engaged with each other. The lower part of the gluing swing plate is hinged to the gluing displacement components. A swing cylinder is arranged between the gluing swing plate and the gluing displacement components. The swing of the gluing swing plate is realized by the telescopic movement of the swing cylinder. A first glue box is arranged below the gluing swing plate. One end of the gluing rod is inserted into the first glue box by the rotation of the gluing swing plate, so as to realize gluing on the inner walls of both ends of the connecting tube; The connecting tube conveying mechanism 11 includes a translation component 12 and a first fixture 13. Multiple groups of first fixtures 13 arranged side by side are installed on the translation component 12. The translation component 12 is a chain driven by a sprocket. The sprocket is driven by a stepping motor. The bottoms of the multiple first fixtures 13 are fixed to the chain on the translation component 12. The connecting tubes passing through the water stop clips are placed on the first fixtures 13. The translation component 12 conveys the connecting tubes to the gluing mechanisms 63 for gluing. At the same time, both ends of the connecting tubes are docked with the non-needle positive pressure connector conveying mechanism 1 and the needle assembly mechanism 20, so as to complete the docking of the non-needle positive pressure connector, the needle, and the connecting tube; The non-needle positive pressure connector conveying mechanism 1 includes a non-needle positive pressure connector sorting component 2 and a second fixture 5. A non-needle positive pressure connector linear track 4 is connected to the outlet of the vibration sorting machine at the non-needle positive pressure connector sorting component 2. In this way, the non-needle positive pressure connectors are conveyed through the non-needle positive pressure connector linear track 4. The second fixture 5 is directly docked with the non-needle positive pressure connector linear track 4. The docking end of the non-needle positive pressure connector faces the connecting tube, which is convenient for the docking of the non-needle positive pressure connector and the connecting tube; The needle assembly mechanism 20 includes a catheter seat clamping fixture 21, a hose seat docking assembly 27, a septum docking assembly 49, and a syringe tube docking assembly 53. Among them, multiple catheter seat clamping fixtures 21 are installed on a circulating conveyor assembly (the circulating conveyor assembly is a chain driven by a sprocket, and the sprocket is driven by a stepping motor). The catheter seat clamping fixture 21 is successively docked with the hose seat docking assembly 27 and the syringe tube docking assembly 53. The hose is docked with the hose seat through the hose seat docking assembly 27, and then the catheter seat completes the docking of the hose seat and the catheter seat at the hose seat docking assembly 27. The completed catheter seat is clamped and transported by the catheter seat clamping fixture 21. The septum docking assembly 49 is docked with the syringe tube docking assembly 53. The catheter seat, the septum, and the syringe tube are coaxially aligned through the catheter seat clamping fixture 21. Then the syringe tube moves towards the catheter seat, the syringe tube passes through the hose seat and extends into the hose, and the septum is pushed into the catheter seat by the syringe tube to seal one end. In this way, the assembly of the needle part is completed; A clamping and docking mechanism 64 is provided between the second fixture 5 and the first fixture 13, and between the catheter seat clamping fixture 21 and the first fixture 13. The clamping and docking mechanism 64 is the first general clamping arm 9 and the second general clamping arm 23. The first general clamping arm 9 clamps the needleless positive pressure connector on the second fixture 5 and docks it with one end of the connecting tube. The second general clamping arm 23 docks the catheter seat on the catheter seat clamping fixture 21 with the other end of the connecting tube. The needleless positive pressure connector and the needle are docked with the connecting tube through the clamping and docking mechanism 64, so as to achieve automatic processing.

[0032] A plurality of catheter seat embedding grooves 22 arranged side by side are formed on the catheter seat clamping fixture 21, and the catheter seat docking with the hose seat is embedded in the catheter seat embedding groove 22, and the catheter seat embedding groove 22 is tapered toward the connecting tube conveying mechanism 11, and the tail of the catheter seat protrudes from the catheter seat embedding groove 22; a second assembly clamping arm 23 is arranged above the catheter seat clamping fixture 21, and the second assembly clamping arm 23 clamps the tail of the catheter seat, and the second assembly clamping arm 23 is a plurality of finger cylinders installed side by side on a swing plate (the finger cylinder and the swing plate are fixed by bolts), and a swing arm 24 is installed on the second assembly clamping arm 23 (the swing arm 24 is rotatably connected to the swing plate, and a stepper motor is installed on the swing arm 24 by bolting, and the output shaft of the stepper motor and the swing plate are driven by a gear system, so that the adjustment The second assembly clamping arm 23 is connected to the connecting pipe by translation of the translation seat 25, and the second assembly clamping arm 23 is connected to the connecting pipe by translation of the translation seat 25. When the catheter seat moves below the second assembly clamping arm 23, the swing arm 24 descends, and the second assembly clamping arm 23 clamps the tail of the catheter seat. Then the swing arm 24 rises, and the catheter seat moves away from the catheter seat embedding groove 22. The swing plate rotates to rotate the docking part of the catheter seat to a horizontal position, and the docking part is driven to be coaxial with the connecting pipe by the catheter seat. Then the translation seat 25 moves toward the connecting pipe, so that the catheter seat is docked with the connecting pipe.

[0033] The hose seat docking assembly 27 includes a hose seat sorting machine 28, a hose seat conveying assembly 30, and a hose docking module 35. The hose seat sorting machine 28 is a hose vibration sorting machine. The hose seat linear track 29 is docked at the outlet of the hose vibration sorting machine. The sorted hose seats are conveyed on the hose seat linear track 29 with the tip facing upward. The end of the hose seat linear track 29 is docked with a hose seat conveying assembly 30. The hose seat conveying assembly 30 includes a hose seat clamping block 33 and a positioning needle 34, wherein a plurality of hose seat clamping blocks 33 are conveyed by a circulating conveying assembly (the circulating conveying assembly is a chain driven by a sprocket, and the sprocket is driven by a stepping motor). A baffle 31 for limiting the feeding of the hose seat linear track 29 is installed on the hose seat clamping block 33 by bolt fastening. When the hose seat clamping block 33 is misaligned with the hose seat linear track 29, the baffle 31 blocks the end of the hose seat linear track 29. When the hose seat linear track 29 is aligned with the hose seat clamping block 33, the hose seat on the hose seat linear track 29 is transported to the hose seat clamping block 33; a hose seat embedding groove 32 is opened on the hose seat clamping block 33, and when the hose seat embedding groove 32 is docked with the hose seat linear track 29, the single-piece hose seat on the hose seat linear track 29 is transported to the hose seat embedding groove 32, and a lifting and lowering positioning pin 34 is installed at the bottom of the hose seat clamping block 33, and the positioning pin 34 passes through the hose seat clamping block 33. A spring is sleeved on the positioning pin 34, and the positioning pin 34 is moved downward by the spring, so that the top of the positioning pin 34 exits the hose seat embedding groove 32, the spring is against the bottom of the hose seat clamping block 33, and the positioning pin 34 passes through the hose seat to complete the positioning, and the hose docking module 35 inserts the hose into the hose seat, and when the hose seat is transported to the hose seat embedding groove 32, the positioning pin 34 is lifted upward and passes through the hose seat.

[0034] A hose docking module 35 is arranged above the hose seat clamping block 33. The hose docking module 35 includes a hose groove 36, a lifting plate 37, a hose placement groove 38 and a hose clamp arm 39. A hose groove 36 is installed on the table on one side of the hose seat clamping block 33. Hoses are stacked in the hose groove 36. A plurality of vertically arranged lifting plates 37 are embedded in the hose groove 36. The bottom of the lifting plate 37 passes through the bottom of the hose groove 36. A cylinder is fixed below the lifting plate 37 by welding. The lifting of the lifting plate 37 is achieved by the cylinder. The lifting plate 37 is lifted up and down. The top of the lifting plate 37 is a conical triangular inclined surface. A semicircular hose placement groove 38 is opened on the top of the conical inclined surface. Each A hose can be placed in the hose placement groove 38. When the lifting plate 37 descends, the lifting plate 37 sinks into the hose, and the hose rolls into the hose placement groove 38. The lifting plate 37 lifts up, so that the lifting plate 37 lifts the single hose upward. A hose clamp arm 39 is provided on each hose placement groove 38. The hose clamp arm 39 clamps the hose in the hose placement groove 38. The hose clamp arm 39 can be lifted and lowered and swung (the hose clamp arm 39 is also a finger cylinder, and the cylinder bodies of multiple finger cylinders are fixed side by side. A lifting cylinder is provided above the hose clamp arm 39. The cylinder body of the lifting cylinder is fixed to the vertical column on the table. The piston rod of the lifting cylinder is connected to the hose clamp arm 39 for rotation. Next, a stepper motor is installed on the piston rod of the lifting cylinder by bolt fastening, and the output shaft of the stepper motor is transmitted to the hose clamp arm 39, so that the hose clamp arm 39 can rotate 90 degrees). A push-up assembly 40 is arranged below the hose seat clamping block 33. The push-up assembly 40 is a cylinder and a push-up plate. A push-up plate is fixed on the piston rod of the cylinder. The cylinder body of the cylinder is installed on the table by bolt fastening. The push-up plate is located below the positioning pin 34. The positioning pin 34 is pushed upward by the rise of the push-up plate. The positioning pin 34 is pushed upward by the push-up assembly 40. The root of the positioning pin 34 is a conical block 41 that fits the inner wall of the hose seat. The conical block 41 pushes the hose seat upward When working, the hose seat clamping block 33 moves to the position of the hose groove 36, and the lifting plate 37 is lifted upward, so that the hose in the hose placement groove 38 of the lifting plate 37 rises, the hose clamp arm 39 swings downward, and the hose is clamped, and then the hose clamp arm 39 rises, the hose is separated from the lifting plate 37, and then the hose clamp arm 39 swings upward, the hose is located directly above the positioning pin 34, and then the hose clamp arm 39 descends, the hose is sleeved on the positioning pin 34, and then the positioning pin 34 moves upward, and the conical block 41 pushes the positioning pin 34 to move upward. Since the hose is clamped by the hose clamp arm 39 and cannot rise, the bottom of the hose is sleeved on the hose seat, the hose clamp arm 39 is loosened, and the positioning pin 34 descends.

[0035] The catheter seat is placed in the catheter seat sorting machine 42, and the catheter seat sorting machine 42 (the catheter seat sorting machine 42 is a vibration sorting machine) is connected to the catheter seat linear track 43. The catheter seat is vertically transported in the catheter seat linear track 43. A catheter seat clamping arm 44 is installed at the end of the catheter seat linear track 43. The catheter seat clamping arm 44 places the catheter seat on the hose seat embedding groove 32. The catheter seat clamping arm 44 is also a finger cylinder. A rotating motor is installed on the table. A rotating rod is fixed on the output shaft of the rotating motor. The rotating rod and the catheter seat clamping arm 44 are fixed by bolts. In this way, the catheter seat clamping arm 44 clamps the catheter seat, and the catheter seat is moved to the top of the hose through the catheter seat clamping arm 44, and then the positioning needle 34 continues to be pushed upward, so that the hose seat is pushed upward and extends into the catheter seat and pressed tightly, the catheter seat is sleeved on the hose and the hose seat, and the catheter seat and the hose seat are spliced ​​by pushing upward through the pushing assembly 40, the catheter seat clamp arm 44 is loosened, the positioning needle 34 descends, and the catheter seat follows the positioning needle 34 to descend. Since the catheter seat is larger than the hose seat, the bottom of the catheter seat contacts the top of the hose seat clamping block 33; the needle protective cover is placed on the protective cover sorting machine 45, the protective cover sorting machine 45 is docked with a protective cover linear track 46, the protective cover linear track 46 horizontally transports the needle protective cover, and is docked with the protective cover clamp arm 47 at the end of the protective cover linear track 46, and the protective cover clamp arm 47 places the catheter seat in the tube seat clamping fixture.

[0036] The syringe barrel base docking assembly includes a syringe barrel base sorter 54, a syringe barrel base linear guide 55, a syringe barrel docking module 56 and a syringe barrel base clamping arm 61. Among them, the syringe barrel base sorter 54 (the syringe barrel base sorter 54 is a vibration sorter) is docked with the syringe barrel base linear guide 55. The end of the syringe barrel base linear guide 55 is docked with the syringe barrel base clamping arm 61. On one side of the syringe barrel base linear guide 55, there is a syringe barrel docking module 56. The syringe barrel docking module 56 includes a syringe barrel base placement groove 57, a syringe barrel groove 58, a syringe barrel top plate 59 and a syringe barrel clamping plate 60. The syringe barrel docking module 56 is a flat plate. On the flat plate, there is a syringe barrel base placement groove 57 for inserting the syringe barrel base. On the flat plate, there is a through hole for the syringe barrel top plate 59 to pass through. On the table at the bottom of the flat plate, a groove for placing the syringe barrel is installed by means of bolt fastening. At the bottom of the syringe barrel top plate 59, a cylinder is installed by means of bolt fastening. The syringe barrel top plate 59 is lifted and lowered in the groove for placing the syringe barrel through the cylinder. The top of the syringe barrel top plate 59 is conical. On the top of the syringe barrel top plate 59, there is a groove for placing one syringe barrel. When the syringe barrel top plate 59 is lifted to make the syringe barrel and the syringe barrel base coaxial, at one end of the flat plate away from the syringe barrel base placement groove 57, there are two syringe barrel clamping plates 60. The bottom of the syringe barrel clamping plate 60 is slidably matched with the flat plate (the bottom of the syringe barrel clamping plate 60 is fixed with a slider. On the flat plate, there is a chute for the slider to be inserted into. The middle section of the chute is an inclined groove, that is, the syringe barrel clamping plate 60 first closes to clamp the syringe barrel, and then the syringe barrel clamping plate 60 pushes the syringe barrel towards the syringe barrel base. A spring is installed between the slider and the chute, and the slider is slid to the left through the spring). On the flat plate at the tail of the syringe barrel clamping plate 60, a telescopic cylinder is installed, and the piston rod of the telescopic cylinder abuts against the position of the syringe barrel clamping plate 60. The syringe barrel is pushed towards the syringe barrel base through the telescopic cylinder. When the syringe barrel is pushed towards the syringe barrel base, the syringe barrel clamping plate 60 first clamps the syringe barrel. After the docking of the syringe barrel, the syringe barrel is clamped and taken away by the syringe barrel base clamping arm 61.

[0037] The septum docking assembly 49 is a septum sorter 50 and a septum linear track 51. The septum sorter 50 (the septum sorter 50 is a vibration sorter) is docked with the septum linear track 51. At the end of the septum linear track 51, a septum lifting platform 52 is installed. A cylinder is installed between the bottom of the septum lifting platform 52 and the septum linear track 51. The septum lifting platform 52 is lifted and lowered through the cylinder. The top of the septum lifting platform 52 is a semi-circular arc groove (to prevent the septum from detaching from the septum lifting platform 52, a limiting piece is fixed on one side of the septum lifting platform 52 away from the septum linear track 51. The limiting piece is provided with a groove for the syringe barrel to pass through and lift. The limiting piece is a U-shaped block). The septum is placed on the septum lifting platform 52. When the septum lifting platform 52 is lifted, it is coaxial with the catheter base. The syringe barrel base clamping arm 61 will move to make the syringe barrel and the septum coaxial. At the same time, the syringe barrel base clamping arm 61 will push the syringe barrel towards the catheter base, so that the syringe barrel base and the septum are inserted into the catheter base.

[0038] A lifting table 6 is provided on the second jig 5. Multiple temporary storage grooves 7 are opened in the lifting table 6. The needleless positive pressure connector at the end of the needleless positive pressure connector linear track 4 is conveyed into the temporary storage groove 7. A lifting cylinder is fixed to the bottom of the lifting table 6 by means of bolt fastening. The lifting of the lifting table 6 is achieved through the lifting cylinder. A baffle 8 is fixed to the left side of the bottom of the lifting table 6 by means of bolt fastening. When the lifting table 6 rises, the baffle 8 blocks the end of the linear track. Above the end of the needleless positive pressure connector linear track 4, a first general assembly clamping arm 9 is provided. The first general assembly clamping arm 9 is a three-jaw chuck. A docking cylinder 10 is fixed between the left side of the first general assembly clamping arm 9 and the tabletop by means of bolt fastening. The first general assembly clamping arm 9 is conveyed to the right through the docking cylinder 10. The docking of the needleless positive pressure connector and one end of the connecting pipe is achieved through the docking cylinder 10. The three-jaw chuck clamps the tail of the needleless positive pressure connector. A cylinder is installed between the first general assembly clamping arm 9 and the tabletop by means of bolt fastening. The translation of the first general assembly clamping arm 9 is achieved through the cylinder. In this way, the needleless positive pressure connector and the connecting pipe are docked.

[0039] Two groups of oppositely arranged groove plates 14 are installed on the top of the first jig 13 by means of bolt fastening. Multiple placement grooves 15 are opened in each groove plate 14. The placement grooves 15 on the two groove plates 14 are oppositely arranged. Both ends of the connecting pipe are stuck in the placement grooves 15. A positioning plate 16 is provided on the right side tabletop of the groove plate 14. A clamping groove 17 and a limiting plate 18 are provided on the positioning plate 16. Among them, multiple oppositely arranged clamping grooves 17 are installed on the top of the positioning plate 16 by means of bolt fastening. A slidable limiting plate 18 is fixed outside the outermost clamping groove 17 by a cylinder. The limiting plate 18 is attached to the outer wall of the clamping groove 17 through sliding. The limiting plate 18 moves left and right through the cylinder. In this way, the end of the connecting pipe is limited. Above the positioning plate 16, a pipe clamping assembly 19 capable of translation is provided. The pipe clamping assembly 19 is multiple finger cylinders arranged side by side. A lifting cylinder is fixed to the top of the pipe clamping assembly 19 by welding. A cylinder for left and right translation is fixed between the lifting cylinder and the tabletop by means of bolt fastening. The pipe clamping assembly 19 clamps the connecting pipe on the positioning plate 16 onto the first jig 13 and positions it through the positioning plate 16 to ensure the position of the placement groove 15 and the connecting pipe.

[0040] The connecting pipe end alignment mechanism 65 has two sets, and the two sets are respectively arranged opposite to the glue applying mechanism 63 and the clamping and docking mechanism 64; the connecting pipe end alignment mechanism 65 includes an alignment upper die 66 and an alignment lower die 67. A telescopic cylinder is arranged between the alignment upper die 66 and the alignment lower die 67. The alignment upper die 66 and the alignment lower die 67 have two sets, and each set of the alignment upper die 66 and the alignment lower die 67 is located on the left and right sides of the first fixture 13. Serrated grooves are arranged on the opposite surfaces of the alignment upper die 66 and the alignment lower die 67, and a groove body that fits the outer wall of the connecting pipe is arranged at the bottom of the serrated groove. In this way, the connecting pipe is clamped by the alignment upper die 66 and the alignment lower die 67. A telescopic cylinder is fixed between the alignment lower die 67 and the tabletop by means of bolts, and a telescopic cylinder is fixed to the top of the alignment upper die 66 by means of bolts. A column extending upward is installed on the tabletop by bolts, and the telescopic cylinder on the alignment upper die 66 is installed on the column by bolts. When the alignment upper die 66 and the alignment lower die 67 are closed, the end of the connecting pipe is flush with the alignment upper die 66. The glue applying mechanism 63 extends into the end of the connecting pipe to apply glue, and then the needleless positive pressure connector and the needle are respectively docked with both ends of the connecting pipe.

Claims

1. An automatic assembly device for intravenous indwelling needles, comprising a needle-free positive pressure connector delivery mechanism, a connecting tube delivery mechanism and a needle assembly mechanism, wherein the connecting tube delivery mechanism is located between the needle-free positive pressure connector delivery mechanism and the needle assembly mechanism, and a gluing mechanism is provided on both sides of the connecting tube delivery mechanism; It is characterized in that The connecting pipe conveying mechanism includes a translation assembly and a first fixture, on which a plurality of first fixtures arranged side by side are installed, and a connecting pipe passing through a water stop clamp is placed on the first fixture; The needleless positive pressure connector conveying mechanism includes a needleless positive pressure connector sorting component and a second fixture. The needleless positive pressure connector sorting component is a vibration sorting machine connected to a needleless positive pressure connector linear track, and the second fixture is directly connected to the needleless positive pressure connector linear track; The needle assembly mechanism includes a catheter seat clamping fixture, a hose seat docking assembly, an isolation plug docking assembly and a needle tube docking assembly, wherein a plurality of catheter seat clamping fixtures are installed on the circulation conveying assembly, the catheter seat clamping fixture is sequentially docked with the hose seat docking assembly and the needle tube docking assembly, and the isolation plug docking assembly is docked with the needle tube docking assembly, thereby completing the assembly of the needle part; A first assembly clamp arm and a second assembly clamp arm are arranged between the second fixture and the first fixture, and between the catheter seat clamping fixture and the first fixture, and the needleless positive pressure connector and the needle are docked with the connecting tube through a clamping docking mechanism.

2. The automatic assembly equipment for intravenous indwelling needle according to claim 1, characterized in that: A plurality of catheter seat embedding grooves arranged side by side are opened on the catheter seat clamping fixture, and the catheter seat docking with the hose seat is embedded in the catheter seat embedding groove, and the catheter seat embedding groove is tapered toward the connecting tube conveying mechanism; a second general assembly clamping arm is arranged above the catheter seat clamping fixture, and a swing arm is installed on the second general assembly clamping arm, and the angle of the second general assembly clamping arm is adjusted by the swing arm, and a translation seat is arranged above the swing arm, and the second general assembly clamping arm is translated by the translation seat to complete the docking of the needle with the connecting tube.

3. The automatic assembly equipment for intravenous indwelling needle according to claim 2, characterized in that: The hose seat docking assembly includes a hose seat sorting machine, a hose seat conveying assembly, and a hose docking module. The hose seat sorting mechanism is docked with a hose seat linear track, and the sorted hose seats are conveyed on the hose seat linear track with their tips facing upwards. The end of the hose seat linear track is docked with a hose seat conveying assembly. The hose seat conveying assembly includes a hose seat clamping block and a positioning pin, wherein a plurality of hose seat clamping blocks are conveyed through a circulating conveying assembly, and a baffle for limiting the feeding of the hose seat linear track is installed on the hose seat clamping block; a hose seat embedding groove is opened on the hose seat clamping block, and a single-piece hose seat on the hose seat linear track is conveyed into the hose seat embedding groove, and a positioning pin is installed at the bottom of the hose seat clamping block, and the positioning pin passes through the hose seat clamping block, and a spring is sleeved on the positioning pin, and the spring rests on the bottom of the hose seat clamping block. The positioning pin passes through the hose seat to complete the positioning, and the hose docking module inserts the hose into the hose seat.

4. The automatic assembly equipment for intravenous indwelling needles according to claim 3, characterized in that: A hose docking module is arranged above the hose seat clamping block, and the hose docking module includes a hose groove, a lifting plate, a hose placement groove and a hose clamp arm. Hoses are stacked in the hose groove, and a plurality of vertically arranged lifting plates are arranged in the hose groove. The lifting plates are lifted up and down, and the top of the lifting plate is a conical slope, and a semicircular hose placement groove is opened on the top of the conical slope. A hose can be placed in each hose placement groove, and a hose clamp arm is arranged on each hose placement groove. The hose clamp arm can be lifted and lowered and swung. A pushing assembly is arranged below the hose seat clamping block, and the positioning pin is pushed upward by the pushing assembly, and the root of the positioning pin is a conical block that fits the inner wall of the hose seat.

5. The automatic assembly equipment for intravenous indwelling needle according to claim 4, characterized in that: The catheter seat is placed in a catheter seat sorting machine, which is connected to a catheter seat linear track. A catheter seat clamping arm is installed at the end of the catheter seat linear track. The catheter seat clamping arm places the catheter seat on the hose seat embedding groove. At the same time, the catheter seat is covered on the hose and the hose seat. The catheter seat and the hose seat are spliced ​​by pushing up the push-up assembly; the needle protective cover is placed in a protective cover sorting machine, which is connected to a protective cover linear track. The protective cover linear track horizontally transports the needle protective cover and is connected to the protective cover clamping arm at the end of the protective cover linear track. The protective cover is clamped by the protective cover clamping arm and covered on the front end of the catheter seat. The protective cover clamping arm places the catheter seat in the tube seat clamping fixture.

6. The automatic assembly equipment for intravenous indwelling needles according to claim 5, characterized in that: The needle tube docking assembly includes a needle tube seat sorting machine, a needle tube seat linear guide rail, a needle tube docking module and a needle tube seat clamping arm, wherein the needle tube seat sorting machine is docked with the needle tube seat linear guide rail, the end of the needle tube seat linear guide rail is docked with the needle tube seat clamping arm, a needle tube docking module is arranged on one side of the needle tube seat linear guide rail, the needle tube docking module includes a needle tube seat placement groove, a needle tube groove, a needle tube top plate and a needle tube clamping plate, the needle tube docking module is a flat plate, a needle tube seat placement groove for inserting the needle tube seat is opened on the flat plate, a through hole for the needle tube top plate to pass through is opened on the flat plate, and a groove for placing the needle tube is installed at the bottom of the flat plate The needle tube top plate is raised and lowered in the slot body for placing the needle tube. The top of the needle tube top plate is conical, and a slot body that can place a needle tube is opened on the top of the needle tube top plate. When the needle tube top plate is raised to the point where the needle tube is coaxial with the needle tube seat, two needle tube clamping plates are arranged at the end of the flat plate away from the needle tube seat placement slot. The bottom of the needle tube clamping plate is slidably matched with the flat plate, and a telescopic cylinder is arranged at the tail of the needle tube clamping plate. The needle tube is pushed toward the needle tube seat by the telescopic cylinder. When the needle tube is pushed toward the needle tube seat, the needle tube clamping plate first clamps the needle tube, and the docked needle tube is clamped away by the needle tube seat clamping arm.

7. The automatic assembly equipment for intravenous indwelling needles according to claim 6, characterized in that: The isolation plug docking component is an isolation plug sorting machine and an isolation plug linear track. The isolation plug sorting machine is docked with the isolation plug linear track. An isolation plug lifting support is provided at the end of the linear track. When the isolation plug lifting support is lifted, it is coaxial with the catheter seat. The needle tube seat clamping arm will move to be coaxial with the needle tube and the isolation plug. At the same time, the needle tube seat clamping arm will push the needle tube toward the catheter seat, so that the needle tube seat and the isolation plug are inserted into the catheter seat.

8. The automatic assembly equipment for intravenous indwelling needles according to claim 7, characterized in that: A lifting platform is arranged on the second fixture, and a plurality of temporary storage slots are opened on the lifting platform. The needle-free positive pressure joint at the end of the linear track is transported to the temporary storage slot. A lifting cylinder is arranged at the bottom of the lifting platform, and a baffle is arranged at the bottom of the lifting platform. When the lifting platform rises, the baffle blocks the end of the linear track; a first general assembly clamping arm is arranged above the end of the linear track of the needle-free positive pressure joint, and the first general assembly clamping arm is a three-jaw chuck. A docking cylinder is arranged at the tail of the first general assembly clamping arm, and the needle-free positive pressure joint is docked with one end of the connecting pipe through the docking cylinder.

9. The automatic assembly equipment for intravenous indwelling needles according to claim 8, characterized in that: Two groups of slot plates arranged opposite to each other are installed on the first fixture, and a plurality of placement slots are opened on the slot plates, and the placement slots on the two slot plates are arranged opposite to each other; an alignment plate is arranged on one side of the slot plate, and a clamping slot and a limit plate are arranged on the alignment plate, wherein a plurality of clamping slots arranged opposite to each other are arranged on the top of the alignment plate, and a slidable limit plate is arranged on the outside of the outermost clamping slot, and the limit plate is fitted with the outer wall of the clamping slot by sliding, so that the end of the connecting pipe is limited, and a pipe clamping assembly capable of translation is arranged above the alignment plate, and the pipe clamping assembly clamps the connecting pipe on the alignment plate onto the first fixture.

10. The automatic assembly equipment for intravenous indwelling needles according to claim 1, characterized in that: There are two groups of alignment mechanisms at the end of the connecting tube, and the two groups are respectively arranged opposite to the gluing mechanism and the clamping docking mechanism; the alignment mechanism at the end of the connecting tube includes an alignment upper mold and a alignment lower mold, and a telescopic cylinder is arranged between the alignment upper mold and the alignment lower mold. The alignment upper mold and the alignment lower mold are two groups, and each group of alignment upper mold and alignment lower mold is located on both sides of the first fixture. When the alignment upper mold and the alignment lower mold are closed, the end of the connecting tube is flush with the alignment upper mold, and the gluing mechanism extends into the end of the connecting tube for gluing, and then the needleless positive pressure joint and the needle are respectively docked with the two ends of the connecting tube.

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