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CN-121989007-A - Safety needle injector assembly machine

CN121989007ACN 121989007 ACN121989007 ACN 121989007ACN-121989007-A

Abstract

The invention provides a safety needle syringe assembling machine, and belongs to the technical field of syringe assembling. The technical problems that a safety needle with a sheath cannot be assembled in the prior art are solved. The safety needle injector assembling machine comprises an assembling rotary disc, wherein a plurality of cylinder assembly grooves are circumferentially distributed on the assembling rotary disc, safety needle assembly grooves are formed below each cylinder assembly groove, a feeding station and a discharging station are circumferentially distributed along the assembling rotary disc, a cylinder feeding mechanism and a safety needle feeding mechanism are arranged on the feeding station, a needle rubbing piece capable of rubbing safety needles in the safety needle assembly grooves to rotate when the assembling rotary disc rotates is arranged between the feeding station and the discharging station, the needle rubbing piece is connected with an elastic extrusion assembly, and a needle pushing assembly for lifting the safety needles to enable the upper ends of the safety needles to always lean against the lower ends of syringes when the safety needles are rubbed is arranged below the needle rubbing piece. The invention has the advantages of suitability for the safety needle with the sheath, strong adaptability, stable product quality and the like.

Inventors

  • Hu Fuzhan
  • MIAO SHUANGJIN

Assignees

  • 台州倍德智能科技有限公司

Dates

Publication Date
20260508
Application Date
20260310

Claims (10)

  1. 1. The utility model provides a safety needle syringe kludge, includes equipment rotary disk (1), equipment rotary disk (1) on be equipped with a plurality of barrel assembly recess (11) of circumference distribution, every barrel assembly recess (11) below is equipped with safety needle assembly recess (12), there are feeding station (5) and ejection of compact station (6) along equipment rotary disk (1) circumference distribution, feeding station (5) on be equipped with barrel feed mechanism (51) and safety needle feed mechanism (52), its characterized in that, feeding station (5) and ejection of compact station (6) between be equipped with can be used for rubbing needle rubbing piece (2) of safety needle (41) rotation in safety needle assembly recess (12) when equipment rotary disk (1) are rotatory, needle rubbing piece (2) link to each other with elastic extrusion subassembly (21), be equipped with in needle rubbing piece (2) below and be used for lifting safety needle (41) to make its upper end push away needle pushing up subassembly (3) on needle cylinder (42) lower extreme all the time when being rubbed.
  2. 2. Safety needle syringe assembly machine according to claim 1, characterized in that said elastic pressing assembly (21) comprises a needle holder (22), said needle holder (2) being connected to the needle holder (22) by means of at least one elastic element (23).
  3. 3. The safety needle syringe assembling machine according to claim 2, wherein the elastic member (23) comprises a spring (231), one end of the spring (231) is connected with the needle twisting member fixing seat (24), the needle twisting member (2) is detachably fixed on the needle twisting member fixing seat (24), the other end of the spring (231) is connected with the needle twisting seat (22), a guide rod (232) is arranged in the spring (231) in a penetrating manner, one end of the guide rod (232) is fixed on the needle twisting member fixing seat (24), and the other end of the guide rod is arranged in a guide hole (226) of the needle twisting seat (22) in a penetrating manner.
  4. 4. A safety needle syringe assembling machine according to claim 3, wherein the two guide rods (232) are parallel to each other, an elastic force adjusting plate (233) is sleeved on the two guide rods (232), the elastic force adjusting plate (233) can slide along the guide rods (232), the other end of the spring (231) abuts against the elastic force adjusting plate (233), and the needle rubbing seat (22) is provided with a distance adjusting structure (25) for fixing the position of the elastic force adjusting plate (233); The needle rubbing piece (2) is made of elastic materials and is connected with the needle rubbing piece fixing seat (24) through a detachable structure.
  5. 5. The safety needle syringe assembling machine according to claim 1, wherein the needle head pushing assembly (3) comprises a needle pushing plate (31) arranged below the needle feeding groove (122) and along a guide path of the needle feeding groove (122), and the needle pushing plate (31) is gradually inclined upwards from the front end to the rear end of the needle feeding groove (122); Or the needle head pushing and lifting assembly (3) comprises a needle pushing plate (31) arranged below the needle feeding groove (122) and arranged along the guide path of the needle feeding groove (122), the needle pushing plate (31) is gradually inclined upwards from the front end to the rear end of the needle feeding groove (122), the lower end of the needle pushing plate (31) is hinged to the needle pushing plate seat (32), and the upper end of the needle pushing plate (31) is connected with the needle pushing plate seat (32) through at least one height adjusting screw rod (33).
  6. 6. The safety needle syringe assembling machine according to claim 1, wherein the periphery of the assembling rotary disc (1) is provided with arc barrel fences (111) distributed along a plurality of barrel assembling grooves (11), and two ends of the arc barrel fences (111) are respectively positioned between the barrel feeding mechanism (51) and the discharging station (6); Safety needle fences (121) distributed along the safety needle assembly grooves (12) are further arranged on the periphery of the assembly rotary disc (1), two ends of each safety needle fence (121) are respectively positioned between the safety needle feeding mechanism (52) and the discharging station (6), and the safety needle fences (121) and the arc barrel fences (111) are fixed on the fence base (13) of the assembly rotary disc (1); The needle rubbing piece (2) is arranged in a radial conduction groove (123) of the safety needle fence (121).
  7. 7. The safety needle syringe assembling machine according to any one of claims 1 to 6, wherein the safety needle assembling groove (12) is arranged on a needle set hanging piece seat (124) at the periphery of the assembling rotary disc (1), a sheath positioning column (125) is arranged on the feeding side of the safety needle assembling groove (12), and the sheath positioning column (125) is arranged in a sheath positioning column positioning groove (126); a sheath correcting spring piece (7) for rotating the needle sheath (411) anticlockwise to enable the needle sheath to lean against the sheath positioning column (125) is arranged between the needle rubbing piece (2) and the discharging station (6), one end of the sheath correcting spring piece (7) is hinged to the correcting spring piece seat (71), and an elastic component (72) with adjustable elasticity is arranged between the free end of the sheath correcting spring piece (7) and the correcting spring piece seat (71).
  8. 8. The safety needle syringe assembling machine according to any one of claims 1 to 6, it is characterized in that the cylinder feeding mechanism (51) comprises a cylinder feeding turntable (511), a feeding guide (512) is arranged between the cylinder feeding rotary disk (511) and the assembling rotary disk (1), the cylinder feeding turntable (511) is connected with the feeding slideway frame (8), the feeding slideway frame (8) is provided with a three-fork channel (81) and a switching pulling piece (82) arranged at a fork (811), the three-fork channel (81) comprises a feeding slide way (812), a first discharging slide way (813) and a second discharging slide way (814), the switching pulling piece (82) is connected with the shifting component (83), the switching pulling piece (82) is provided with a first supporting part (821) and a second supporting part (822) which are arranged in an included angle, and the switch paddle (82) is configured to have two operating positions: in the first operating position of the device, the first supporting part (821) is used as a side wall at the inlet of the first discharging slideway (813), and the second supporting part (822) is used for blocking the inlet of the second discharging slideway (814); in the second operating position of the device, the second supporting part (822) is used as a side wall at the inlet of the second discharging slideway (814), and the first supporting part (821) is used for blocking the inlet of the first discharging slideway (813).
  9. 9. Safety needle injector assembly machine according to any one of claims 1-6, characterized in that the discharge station (6) is provided with a discharge turntable (64), the discharge turntable (64) comprises a discharge tray (641), at least one discharge groove (642) is circumferentially arranged on the discharge tray (641), the discharge tray (641) is arranged on a discharge tray seat (65) and is connected with a discharge tray driving assembly (66), one side of the discharge tray (641) far away from the assembly rotary tray (1) is provided with a discharge slideway frame (61), a qualified product discharge frame (62) is arranged above the discharge slideway frame (61), an inlet of the qualified product discharge frame (62) extends to above an outlet of the discharge tray (641), a discharge slideway (617) is arranged between the discharge slideway frame (61) and the assembly rotary tray (1), a lifting assembly (63) is arranged below the discharge slideway frame, and the lifting assembly (63) is used for lifting the height of the safety injector (4) of qualified products, so that a push rod (421) can be guided by the discharge slideway frame (61) into the qualified products (621) and can be guided into the reject slideway frame (621).
  10. 10. The safety needle syringe assembling machine according to any one of claims 1 to 6, wherein an upper ring (14) and a middle ring (15) are arranged on the assembling rotary disc (1), the upper ring (14) and the middle ring (15) are respectively provided with the barrel assembling grooves (11) and correspond to each other vertically, and barrel wing limit seats (141) are arranged at the upper ends of the barrel assembling grooves (11); And/or the inside of the safety needle assembly groove (12) is provided with a positioning stop lever (16), the positioning stop lever (16) is arranged in a positioning stop lever positioning groove (161), a plurality of air pipes (162) positioned at the outer side of the safety needle assembly groove (12) are arranged between the safety needle feeding mechanism (52) and the needle rubbing part (2), and the air pipes (162) are used for blowing the needle sheath (411) to rotate clockwise to lean against the positioning stop lever (16).

Description

Safety needle injector assembly machine Technical Field The invention belongs to the technical field of syringe assembly, and particularly relates to a safety needle syringe assembly machine. Background With the continuous improvement of medical safety requirements, safety needle injectors with anti-puncture functions are increasingly used. The safety needle injector has the function of preventing puncture, and the needle head of the safety needle injector is usually provided with a sheath structure, so that the safety needle injector can cover the needle point after being used, and accidental puncture is avoided. In the prior art, the automatic assembly equipment is mainly designed for a non-sheath injector, and only a common needle with simple structure and regular outline can be installed. Thus, there is a need for a safety needle syringe assembly machine that can assemble safety needles with special structures. The safety needle and the needle cylinder are respectively provided with an external thread and an internal thread, and the assembly of the safety needle and the needle cylinder is realized by the engagement of the internal thread and the external thread on the needle cylinder and the needle cylinder through the rotation of the needle. Disclosure of Invention The present invention has been made in view of the above problems, and an object of the present invention is to provide a safety needle syringe assembling machine capable of assembling a needle with a sheath and a cylinder. The safety needle injector assembling machine comprises an assembling rotary disc, wherein a plurality of cylinder assembly grooves are circumferentially distributed on the assembling rotary disc, a safety needle assembly groove is formed below each cylinder assembly groove, a feeding station and a discharging station are circumferentially distributed along the assembling rotary disc, a cylinder feeding mechanism and a safety needle feeding mechanism are arranged on the feeding station, a needle rubbing piece capable of rubbing the safety needle in the safety needle assembly groove to rotate when the assembling rotary disc rotates is arranged between the feeding station and the discharging station, the needle rubbing piece is connected with an elastic extrusion assembly, and a needle pushing assembly for lifting the safety needle to always lean against the lower end of a needle cylinder when the safety needle is rubbed is arranged below the needle rubbing piece. The needle twisting part is arranged on the basis, and is used for twisting the safety needle to rotate in the rotating process, and the needle pushing component is matched, so that the safety needle is ensured to be stably abutted against the lower end of the needle cylinder all the time in the pushing process, and the effect of automatically assembling the safety needle and the needle cylinder can be realized. In the above-mentioned safe needle syringe assembly machine, the elastic extrusion component comprises a needle rubbing seat, and the needle rubbing piece is connected with the needle rubbing seat through at least one elastic piece. The needle rubbing piece is elastically connected with the needle rubbing seat through the elastic piece, so that the needle rubbing piece has buffering and self-adapting capability when contacting and rubbing the safety needle. The device can not only ensure that stable contact force is applied to the safety needle in the rubbing process, but also adapt to the possible deviation of the position or the height of the safety needle in the assembly groove, and has the effect of improving the overall reliability. In the safety needle syringe assembling machine, the elastic piece comprises a spring, one end of the spring is connected with the needle rubbing piece fixing seat, the needle rubbing piece is detachably fixed on the needle rubbing piece fixing seat, the other end of the spring is connected with the needle rubbing seat, a guide rod is arranged in the spring in a penetrating manner, one end of the guide rod is fixed on the needle rubbing piece fixing seat, and the other end of the guide rod is arranged in the guide hole of the needle rubbing seat in a penetrating manner. The spring is arranged to provide elastic pressure for the needle rubbing part, the guide rod is penetrated in the spring and matched with the guide hole of the needle rubbing seat, so that deflection or clamping stagnation can be prevented in the rubbing process, and the stability and reliability of the motion are ensured. In the safety needle syringe assembling machine, two guide rods are parallel to each other, an elastic adjusting plate is sleeved on the two guide rods together, the elastic adjusting plate can slide along the guide rods, the other end of the spring abuts against the elastic adjusting plate, and a distance adjusting structure for fixing the position of the elastic adjusting plate is arranged on the needle rubbing seat; The needle rubbing