CN117268688B - Needle head protective cap strength detection equipment of prefilled syringe - Google Patents
Needle head protective cap strength detection equipment of prefilled syringe Download PDFInfo
- Publication number
- CN117268688B CN117268688B CN202311551407.9A CN202311551407A CN117268688B CN 117268688 B CN117268688 B CN 117268688B CN 202311551407 A CN202311551407 A CN 202311551407A CN 117268688 B CN117268688 B CN 117268688B
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- 230000001681 protective effect Effects 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 229940071643 prefilled syringe Drugs 0.000 title abstract description 8
- 230000017105 transposition Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 9
- 239000003814 drug Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002785 anti-thrombosis Effects 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- -1 vaccines Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of detection of the strength of a protective cap, in particular to a device for detecting the strength of a needle protective cap of a prefilled syringe, which comprises a rack and further comprises: a transposition structure connected with the frame; the turning impact structure is connected with the transposition structure; the lifting structure is connected with the frame and comprises a wire lifting mechanism fixedly connected with the frame, the wire lifting mechanism is connected with a clamping mechanism, and a rotation driving mechanism matched with the clamping mechanism is arranged on the frame; and the airtight strength detection structure is connected with the rack. According to the invention, the impact position changes when the protective cap falls by adjusting the angle of the impact table, so that different impact conditions of the protective cap are simulated, and the impact of different impact positions on the airtight strength of the protective cap is conveniently measured.
Description
Technical Field
The invention relates to the technical field of protection cap strength detection, in particular to a needle protection cap strength detection device of a prefilled syringe.
Background
The prefilled syringe is widely used for packaging high-end medicines such as vaccines, antithrombotic medicines, bioengineering medicines, cosmetic medicines and the like. Prefilled syringes are classified into two types, with and without needles; the injection needle is not provided with a conical head type and a spiral head type. The prefilled syringe is prefilled with a certain amount of liquid medicine, is safe and sanitary, and the liquid medicine can be polluted by external bacteria only through the needle, so the design of the needle protective cap is particularly critical.
The needle head protective cap in the prior art is divided into a soft cap and a hard cap, the soft cap has good sealing property, can effectively prevent the liquid medicine from being polluted, but does not protect the needle head enough; the hard cap protects the needle better, but has poor sealing performance with the needle, and the liquid medicine is easy to be polluted. The existing needle head protective cap strength detection equipment of the pre-filled and sealed injector often applies pressure to the hard cap in a static pressure mode, so that the influence of impact of different angles on the airtight strength of the hard cap can not be simulated when the hard cap falls to the ground, and the airtight strength of the hard cap under the actual use condition can not be obtained.
Disclosure of Invention
The invention aims to provide a needle head protective cap strength detection device of a pre-filled and sealed syringe, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a syringe needle protection cap intensity detection equipment of prefilled syringe, includes the frame, still includes:
the transposition structure is connected with the frame and is used for adjusting the position of the protective cap;
the steering impact structure is connected with the transposition structure and comprises a machine base fixedly connected with the transposition structure, the machine base is in sliding connection with the machine frame, a first motor is fixedly installed in the machine base, an output shaft of the first motor is fixedly connected with a rotating frame which is rotationally connected with the machine base, the rotating frame is fixedly connected with a second motor, and an output shaft of the second motor is fixedly connected with an impact table;
the lifting structure is connected with the frame and comprises a wire lifting mechanism fixedly connected with the frame, the wire lifting mechanism is connected with a clamping mechanism, the wire lifting mechanism is used for adjusting the position of the clamping mechanism, a rotation driving mechanism matched with the clamping mechanism is arranged on the frame, and the clamping mechanism is used for limiting and connecting the protective cap;
and the airtight strength detection structure is connected with the frame and is used for detecting the airtight strength of the protective cap.
As a further improvement of the invention: the transposition structure comprises a first active telescopic rod hinged with the frame, a lifting frame is hinged to the moving end of the first active telescopic rod, a guide seat is slidably connected with the lifting frame, a dovetail groove is formed in the frame and is slidably connected with the guide seat, the guide seat is fixedly connected with the frame, a third motor is fixedly connected with the lifting frame, a hole disc is fixedly connected with an output shaft of the third motor, and a plurality of groups of positioning holes are formed in the hole disc.
As a further improvement of the invention: the wire lifting mechanism comprises a wire box fixedly connected with the frame, a fourth motor is fixedly installed in the wire box, a wire roller is fixedly connected with an output shaft of the fourth motor, a wire is wound on the wire roller, a reversing wheel rotatably installed in the wire box is connected with the wire, and the wire is fixedly connected with the clamping mechanism.
As a further improvement of the invention: the clamping mechanism comprises a hanging frame fixedly connected with a pull wire, the hanging frame is rotationally connected with a screw rod, the screw rod is fixedly connected with a first friction plate, the screw rod is in threaded connection with a hinged frame, hinged plates are hinged to two ends of the hinged frame, a first linkage frame is hinged to the hinged plates and is in sliding connection with the hanging frame, the first linkage frame is fixedly connected with a first arc-shaped plate, the hanging frame is in sliding connection with a second linkage frame, a first spring is installed between the second linkage frame and the hanging frame, and the second linkage frame is fixedly connected with a second arc-shaped plate which is in sliding connection with the first arc-shaped plate.
As a further improvement of the invention: the rotary driving mechanism comprises a hollow frame fixedly connected with the frame, the hollow frame is fixedly connected with a driving telescopic frame, the driving telescopic frame is fixedly connected with a shell, the shell is fixedly connected with a fifth motor, an output shaft of the fifth motor is fixedly connected with a first belt wheel, the first belt wheel is connected with a second belt wheel which is rotationally connected with the shell through a transmission belt, and the second belt wheel is coaxially and fixedly connected with a second friction plate which is matched with the first friction plate.
As a further improvement of the invention: the airtight strength detection structure comprises an upright frame fixedly connected with a frame, a plurality of groups of second driving telescopic rods are fixedly connected with the upright frame, a sealing frame is fixedly connected with the moving end of each second driving telescopic rod, a group of air pressure detection probes are fixedly installed on the sealing frame, two groups of control valves are fixedly installed on the sealing frame, the two groups of control valves are connected with hoses, one group of hoses is fixedly connected with a pressurizing air pump fixedly connected with the upright frame, and the other group of hoses is fixedly connected with a depressurizing air pump fixedly connected with the upright frame.
As a further improvement of the invention: the automatic lifting device is characterized in that a groove frame is fixedly arranged on the frame, a sixth motor is fixedly connected to the groove frame, a screw rod is fixedly connected to an output shaft of the sixth motor, a mounting seat is connected with the groove frame in a threaded mode, the mounting seat is fixedly connected with a driving clamping jaw movably connected with a lifting frame, a sleeve body is fixedly connected to the mounting seat, and a conical surface matched with the sleeve body is arranged at the end portion of the lifting frame.
Compared with the prior art, the invention has the beneficial effects that:
the protective cap to be detected is placed in a transposition structure, the transposition structure adjusts the position of the protective cap, the protective cap moves towards the clamping mechanism, the clamping mechanism is driven by the rotation driving mechanism, the protective cap is clamped by the clamping mechanism, the rear transposition structure is far away from the protective cap, the machine base moves to the lower side of the protective cap under the driving of the transposition structure, the clamping mechanism and the protective cap fall towards the impact table together under the release of the wire hanging mechanism, the protective cap and the impact table are impacted, the first motor drives the rotating frame to rotate, the rotating frame drives the second motor to rotate, the second motor drives the impact table to deflect, the wire hanging mechanism lifts the protective cap again through the clamping mechanism, the wire hanging mechanism releases the clamping mechanism again to fall, the protective cap is impacted on the impact table with different inclination angles, the wire hanging mechanism and the transposition structure are simulated to fall down, the protective cap is driven by the transposition structure to move towards the airtight strength detection structure along with the release of the clamping mechanism, and the airtight strength detection structure detects the strength of the protective cap after the impact of the transposition structure. According to the invention, the impact position changes when the protective cap falls by adjusting the angle of the impact table, so that different impact conditions of the protective cap are simulated, and the impact of different impact positions on the airtight strength of the protective cap is conveniently measured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic perspective view of another view of the present invention;
FIG. 3 is a schematic view of the internal structure of the wire hanging mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the housing, the fifth motor, the first pulley, the belt, the second pulley, and the second friction plate of the present invention in cooperation with each other;
FIG. 5 is a schematic perspective view of the structure of the trough frame, the sixth motor, the screw rod, the mounting seat, the sleeve body and the driving clamping jaw of the invention, which are mutually matched;
FIG. 6 is a schematic perspective view of a clamping mechanism according to the present invention;
FIG. 7 is a top view of the clamping mechanism of the present invention;
FIG. 8 is an enlarged partial schematic view of the present invention at A in FIG. 1;
fig. 9 is an enlarged partial schematic view of the present invention at B in fig. 1.
In the figure: 1. a frame; 2. a transposition structure; 3. a direction-changing impact structure; 5. a base; 6. a first motor; 7. a rotating frame; 8. a second motor; 9. an impact table; 10. a lifting structure; 11. a wire hanging mechanism; 12. a clamping mechanism; 13. a rotation driving mechanism; 14. an airtight strength detection structure; 15. the first active telescopic rod; 16. a lifting frame; 17. a guide seat; 18. a dovetail groove; 19. a third motor; 20. a hole plate; 21. positioning holes; 22. a wire box; 23. a fourth motor; 24. a wire roller; 25. a pull wire; 26. a hanging bracket; 27. a screw; 28. a first friction plate; 29. a hinge bracket; 30. a hinged plate; 31. a first linkage frame; 32. a first arcuate piece; 33. a second linkage frame; 34. a second arcuate piece; 35. a hollow frame; 36. an active telescopic frame; 37. a housing; 38. a fifth motor; 39. a first pulley; 40. a transmission belt; 41. a second pulley; 42. a second friction plate; 43. a vertical frame; 44. the second active telescopic rod; 45. a sealing frame; 46. an air pressure detection probe; 47. a control valve; 48. a hose; 49. a pressurized air pump; 50. a decompression air pump; 51. a trough rack; 52. a sixth motor; 53. a screw rod; 54. a mounting base; 55. a sleeve body; 56. a conical surface; 57. and a driving clamping jaw.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments.
First, referring to fig. 1 to 9, a needle cap strength detection device for a prefilled syringe includes a chassis 1, and further includes:
the transposition structure 2 is connected with the frame 1, and the transposition structure 2 is used for adjusting the position of the protective cap;
the steering impact structure 3 is connected with the transposition structure 2, the steering impact structure 3 comprises a machine seat 5 fixedly connected with the transposition structure 2, the machine seat 5 is in sliding connection with the machine frame 1, a first motor 6 is fixedly installed in the machine seat 5, the first motor 6 can be a servo motor or a stepping motor, an output shaft of the first motor 6 is fixedly connected with a rotating frame 7 which is rotationally connected with the machine seat 5, the rotating frame 7 is fixedly connected with a second motor 8, and an output shaft of the second motor 8 is fixedly connected with an impact table 9;
the lifting structure 10 is connected with the frame 1, the lifting structure 10 comprises a wire lifting mechanism 11 fixedly connected with the frame 1, the wire lifting mechanism 11 is connected with a clamping mechanism 12, the wire lifting mechanism 11 is used for adjusting the position of the clamping mechanism 12, the frame 1 is provided with a rotation driving mechanism 13 matched with the clamping mechanism 12, and the clamping mechanism 12 is used for limiting and connecting a protective cap;
and the airtight strength detection structure 14 is connected with the frame 1, and the airtight strength detection structure 14 is used for detecting the airtight strength of the protective cap.
The protective cap to be detected is placed in the transposition structure 2, the transposition structure 2 adjusts the position of the protective cap, the protective cap moves towards the clamping mechanism 12, the clamping mechanism 12 is driven by the rotation driving mechanism 13, the protective cap is clamped by the clamping mechanism 12, the transposition structure 2 is away from the protective cap, the machine seat 5 moves to the lower side of the protective cap under the driving of the transposition structure 2, the clamping mechanism 12 and the protective cap fall together to the impact table 9 under the release of the wire hanging mechanism 11, the protective cap and the impact table 9 are impacted, the rotating frame 7 is driven by the first motor 6 to rotate, the second motor 8 drives the impact table 9 to deflect, the protective cap is lifted again by the wire hanging mechanism 11 through the clamping mechanism 12, the clamping mechanism 12 is released again, the protective cap is impacted on the impact table 9 with different inclination angles, the irregular falling of the protective cap is simulated, the wire hanging mechanism 11 and the transposition structure 2 are reset, the protective cap falls into the transposition structure 2 again along with the release of the clamping mechanism 12, the impact strength of the protective cap is detected by the air-tight structure 14 after the detection of the airtight structure 2 is carried out, and the airtight strength of the protective cap is detected after the impact structure is moved to the structure 2 is detected. According to the invention, the impact position changes when the protective cap falls by adjusting the angle of the impact table 9, so that different impact conditions of the protective cap are simulated, and the impact of different impact positions on the airtight strength of the protective cap is conveniently measured.
In one case of this embodiment, the transposition structure 2 includes a first active telescopic rod 15 hinged to the frame 1, where the first active telescopic rod 15 is optionally an electric telescopic rod or optionally a hydraulic telescopic rod, a lifting frame 16 is hinged to a moving end of the first active telescopic rod 15, a guide seat 17 slidably connected to the frame 1 is slidably connected to the lifting frame 16, a dovetail groove 18 slidably connected to the guide seat 17 is provided on the frame 1, the guide seat 17 is fixedly connected to the frame 5, a third motor 19 is fixedly connected to the lifting frame 16, an output shaft of the third motor 19 is fixedly connected with a hole disc 20, and multiple groups of positioning holes 21 are provided on the hole disc 20. The first active telescopic rod 15 drives the lifting frame 16 to move, the lifting frame 16 drives the guide seat 17 to slide along the dovetail groove 18 on one hand, and the lifting frame 16 drives the third motor 19 to move on the other hand, so that the position of the orifice disc 20 is adjusted, the third motor 19 is used for driving the orifice disc 20 to rotate, and the orifice disc 20 drives the protective cap to move through the positioning hole 21.
In one case of this embodiment, the wire hanging mechanism 11 includes a wire box 22 fixedly connected with the frame 1, a fourth motor 23 is fixedly installed in the wire box 22, an output shaft of the fourth motor 23 is fixedly connected with a wire roller 24, the wire roller 24 is wound with a pull wire 25, the pull wire 25 is connected with a reversing wheel rotatably installed in the wire box 22, the reversing wheel is used for supporting the pull wire 25, and the pull wire 25 is fixedly connected with the clamping mechanism 12. The fourth motor 23 controls the release operation and the winding operation of the wire 25 by driving the wire roller 24 to rotate, thereby adjusting the position of the click mechanism 12.
In one case of this embodiment, the clamping mechanism 12 includes a hanger 26 fixedly connected with the pull wire 25, the hanger 26 is rotatably connected with a screw 27, the screw 27 is fixedly connected with a first friction plate 28 movably connected with the rotation driving mechanism 13, the screw 27 is in threaded connection with a hinge frame 29, two ends of the hinge frame 29 are hinged with hinge plates 30, the hinge plates 30 are hinged with a first linkage frame 31 slidably connected with the hanger 26, the first linkage frame 31 is fixedly connected with a first arc plate 32, the hanger 26 is slidably connected with a second linkage frame 33, a first spring is installed between the second linkage frame 33 and the hanger 26, and the second linkage frame 33 is fixedly connected with a second arc plate 34 slidably connected with the first arc plate 32. The rotation driving mechanism 13 is in contact with the first friction plate 28 and drives the first friction plate 28 to rotate, so that the first friction plate 28 drives the screw 27 to rotate, the screw 27 drives the hinged frame 29 to move, the hinged frame 29 drives the first linkage frame 31 to move through the hinged plate 30, the first linkage frame 31 drives the first arc-shaped plates 32 to be away from each other, the first arc-shaped plates 32 squeeze the second arc-shaped plates 34, the second arc-shaped plates 34 pull the first springs through the second linkage frame 33, and therefore the first arc-shaped plates 32 and the second arc-shaped plates 34 are abutted to form a ring structure, and the first arc-shaped plates 32 and the second arc-shaped plates 34 are clamped on the inner wall of the protective cap together, so that connection between the protective cap and the clamping mechanism 12 is completed.
In one case of this embodiment, the rotation driving mechanism 13 includes a hollow frame 35 fixedly connected with the frame 1, the hollow frame 35 is fixedly connected with a driving telescopic frame 36, the driving telescopic frame 36 has driving retractility, a power source for linear movement is installed in the driving telescopic frame 36, the power source is optionally a linear motor, and also is optionally a pneumatic telescopic rod, the driving telescopic frame 36 is fixedly connected with a housing 37, the driving telescopic frame 36 is used for driving the housing 37 to move, the housing 37 is fixedly connected with a fifth motor 38, an output shaft of the fifth motor 38 is fixedly connected with a first belt pulley 39, the first belt pulley 39 is connected with a second belt pulley 41 rotatably connected with the housing 37 through a driving belt 40, and the second belt pulley 41 is coaxially and fixedly connected with a second friction plate 42 adapted to the first friction plate 28. The fifth motor 38 drives the first pulley 39 to rotate, the first pulley 39 drives the second pulley 41 to rotate through the transmission belt 40, and when the first friction plate 28 and the second friction plate 42 are mutually extruded, the second pulley 41 drives the first friction plate 28 to rotate through the second friction plate 42, and the first friction plate 28 drives the screw 27 to rotate.
In one case of this embodiment, the airtight strength detecting structure 14 includes a stand 43 fixedly connected with the frame 1, the stand 43 is fixedly connected with a plurality of groups of second active telescopic rods 44, the second active telescopic rods 44 are optionally electric telescopic rods and also are optionally hydraulic telescopic rods, a sealing frame 45 is fixedly connected with a moving end of each second active telescopic rod 44, an air pressure detecting probe 46 is fixedly installed on the sealing frame 45, the air pressure detecting probe 46 is in communication connection with a peripheral computer, so that a person can conveniently obtain data detected by the air pressure detecting probe 46 through the computer, two groups of control valves 47 are fixedly installed on the sealing frame 45, the two groups of control valves 47 are connected with hoses 48, one group of hoses 48 is fixedly connected with a pressurizing air pump 49 fixedly connected with the stand 43, and the other group of hoses 48 is fixedly connected with a depressurizing air pump 50 fixedly connected with the stand 43. The second active telescopic rod 44 is used for driving the sealing frame 45 to move, so that the sealing frame 45 is pressed at the open end of the impacted helmet, the open end of the helmet is sealed, the end of the air pressure detection probe 46 is arranged in the space between the helmet and the sealing frame 45, the decompression air pump 50 is started, under the flow guide of the hose 48 and the control valve 47 which are communicated with the decompression air pump 50, the air pressure of the space between the helmet and the sealing frame 45 is reduced, the control valve 47 is closed, the air pressure detection probe 46 continuously detects the air pressure change of the space between the helmet and the sealing frame 45 so as to detect the pressure relief condition, the air tightness intensity of the helmet is determined, and then the air pressure detection probe 49 is used for inflating the space between the helmet and the sealing frame 45 through the hose 48 and the control valve 47, so that the air pressure of the space between the helmet and the sealing frame 45 is improved, and the sealing frame 45 is convenient to separate from the helmet.
In one case of this embodiment, the first linkage frame 31 and the second linkage frame 33 are both provided with iron blocks, and the stand 5 is fixedly connected with a ring frame, and a plurality of groups of electromagnets are fixedly installed on the ring frame. Under the magnetic attraction of the electromagnet to the iron block, the amplitude of the swaying wire hanging mechanism 11 is quickly attenuated, and the wire hanging mechanism 11 is quickly restored to be stable.
In the second embodiment, referring to fig. 1 and 5, a slot frame 51 is fixedly installed on the frame 1, a sixth motor 52 is fixedly connected to the slot frame 51, an output shaft of the sixth motor 52 is fixedly connected to a screw rod 53, the screw rod 53 is in threaded connection with a mounting seat 54 slidably connected to the slot frame 51, the mounting seat 54 is fixedly connected with a driving clamping jaw 57 movably connected to the hanger 26, the mounting seat 54 is fixedly connected with a sleeve 55 slidably connected to the pull wire 25, and a conical surface 56 adapted to the sleeve 55 is arranged at an end of the hanger 26. The sixth motor 52 drives the screw rod 53 to rotate, the screw rod 53 drives the installation seat 54 to slide along the groove frame 51, the installation seat 54 drives the driving clamping jaw 57 and the sleeve body 55 to move, the conical surface 56 presses the sleeve body 55, and the driving clamping jaw 57 clamps the hanging frame 26, so that the hanging frame 26 is prevented from shaking.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (3)
1. The utility model provides a syringe needle protection cap intensity detection equipment of embedment syringe in advance, includes the frame, its characterized in that still includes:
the device comprises a frame, a transposition structure connected with the frame, wherein the transposition structure comprises a first active telescopic rod hinged with the frame, a lifting frame is hinged at the moving end of the first active telescopic rod, a guide seat connected with the frame in a sliding manner is connected with the lifting frame in a sliding manner, a dovetail groove connected with the guide seat in a sliding manner is formed in the frame, a third motor is fixedly connected with the lifting frame, a hole disc is fixedly connected with an output shaft of the third motor, a plurality of groups of positioning holes are formed in the hole disc, and when torque is applied to the hole disc by the third motor, the position of a protective cap is adjusted by the hole disc through the positioning holes;
the steering impact structure is connected with the transposition structure and comprises a machine seat fixedly connected with the transposition structure, the machine seat is fixedly connected with the guide seat, the machine seat is in sliding connection with the machine frame, a first motor is fixedly installed in the machine seat, an output shaft of the first motor is fixedly connected with a rotating frame which is rotationally connected with the machine seat, the rotating frame is fixedly connected with a second motor, and an output shaft of the second motor is fixedly connected with an impact table;
the wire lifting mechanism comprises a wire lifting mechanism fixedly connected with the frame, the wire lifting mechanism is connected with a clamping mechanism, the wire lifting mechanism is used for adjusting the position of the clamping mechanism, a rotary driving mechanism matched with the clamping mechanism is installed on the frame, the wire lifting mechanism comprises a wire box fixedly connected with the frame, a fourth motor is fixedly installed in the wire box, an output shaft of the fourth motor is fixedly connected with a wire roller, a wire is wound and connected with a wire, the wire is connected with a reversing wheel rotatably installed in the wire box, the wire is fixedly connected with the clamping mechanism, the clamping mechanism comprises a hanging bracket fixedly connected with a screw, the screw is fixedly connected with a first friction plate, the screw is in threaded connection with a hinged frame, two ends of the hinged frame are hinged with a hinged plate, the hinged plate is hinged with a first linkage frame in sliding connection with the hanging bracket, the first arc-shaped plate is fixedly connected with a second motor, the second linkage frame is fixedly connected with a hollow pulley, the hollow pulley is fixedly connected with a first flexible pulley, the hollow pulley is fixedly connected with a hollow pulley, and the hollow pulley is fixedly connected with a hollow pulley, and the hollow pulley is fixedly connected with a flexible pulley fixedly connected with a housing, and a flexible pulley fixedly connected with the hollow pulley, and a flexible drive pulley is fixedly connected with the hollow pulley and a flexible drive pulley;
and the airtight strength detection structure is connected with the frame and is used for detecting the airtight strength of the protective cap.
2. The needle head protective cap strength detection device of the pre-filled and sealed syringe according to claim 1, wherein the airtight strength detection structure comprises a stand fixedly connected with a frame, a plurality of groups of second active telescopic rods are fixedly connected with the stand, a sealing frame is fixedly connected with a moving end of each second active telescopic rod, an air pressure detection probe is fixedly installed on the sealing frame, two groups of control valves are connected with hoses, one group of hoses is fixedly connected with a pressurizing air pump fixedly connected with the stand, and the other group of hoses is fixedly connected with a depressurizing air pump fixedly connected with the stand.
3. The needle head protective cap strength detection device of the pre-filled and sealed syringe according to claim 1, wherein a groove frame is fixedly installed on the frame, a sixth motor is fixedly connected to the groove frame, a screw rod is fixedly connected to an output shaft of the sixth motor, a mounting seat which is slidably connected with the groove frame is connected to the screw rod in a threaded mode, a driving clamping jaw which is movably connected with a hanging frame is fixedly connected to the mounting seat, a sleeve body is fixedly connected to the mounting seat, and a conical surface which is matched with the sleeve body is arranged at the end portion of the hanging frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311551407.9A CN117268688B (en) | 2023-11-21 | 2023-11-21 | Needle head protective cap strength detection equipment of prefilled syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311551407.9A CN117268688B (en) | 2023-11-21 | 2023-11-21 | Needle head protective cap strength detection equipment of prefilled syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117268688A CN117268688A (en) | 2023-12-22 |
| CN117268688B true CN117268688B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311551407.9A Active CN117268688B (en) | 2023-11-21 | 2023-11-21 | Needle head protective cap strength detection equipment of prefilled syringe |
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| CN (1) | CN117268688B (en) |
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