CN215323391U

CN215323391U - Prefilled syringe filling subassembly and prefilled syringe filling and sealing machine

Info

Publication number: CN215323391U
Application number: CN202121446501.4U
Authority: CN
Inventors: 高民选; 顾志伟
Original assignee: Changsha Risun Pharmaceutical Machinery Co ltd
Current assignee: Changsha Risun Pharmaceutical Machinery Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-28
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a pre-filled syringe filling assembly and a pre-filled syringe filling and sealing machine. To this end, in an aspect, the present invention provides a prefilled syringe filling assembly disposed at a filling station of a syringe conveying line, the filling assembly including a filling unit for filling liquid into a syringe, the filling assembly further including a clamping unit for clamping or releasing a syringe of the syringe, and a lifting unit for driving an injection handle of the syringe to be lifted upward by a set distance relative to the syringe when the filled syringe is clamped by the clamping unit. The prefilled syringe filling assembly has the advantages of simple structure and high stability.

Description

Prefilled syringe filling subassembly and prefilled syringe filling and sealing machine

Technical Field

The utility model belongs to the technical field of medicine packaging machinery, and particularly relates to a pre-filled syringe filling assembly and a pre-filled syringe filling and sealing machine.

Background

The pre-filled syringe is a common medical instrument and generally comprises an injection tube, an injection handle and a cap body, wherein a curled edge is arranged on the injection tube, the cap body is sleeved on a needle head end at the front end of the injection tube, and the injection handle is slidably arranged in the injection tube; when in injection, the cap body is taken down, and the injection solution pre-filled in the injection tube is pushed out of the injector by the pushing of the injection handle at the tail end of the bottle body.

The prefilled syringe filling and sealing machine in the market at present mainly purchases German and Italy products, has a complex structure and high price, has strict requirements on pharmaceutical packaging materials, and restricts the production and development of the prefilled syringe filling and sealing machine in China. In addition, the stability of the existing filling and sealing equipment is not very good in the filling process, and the problem that liquid medicine is dropped and leaked downwards frequently occurs before a cap is not added after the filling of an injector.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a prefilled syringe filling assembly and a prefilled syringe filling and sealing machine which are simple in structure and high in stability.

To this end, in an aspect, the present invention provides a prefilled syringe filling assembly disposed at a filling station of a syringe conveying line, the filling assembly including a filling unit for filling liquid into a syringe, the filling assembly further including a clamping unit for clamping or releasing a syringe of the syringe, and a lifting unit for driving an injection handle of the syringe to be lifted upward by a set distance relative to the syringe when the filled syringe is clamped by the clamping unit.

Specifically, the syringe transfer chain includes the hold-in range and drives the step motor of hold-in range motion, evenly be equipped with a plurality of notches that are used for hanging the injection tube on the hold-in range.

Specifically, the hold-in range is the annular in the horizontal plane and arranges, first notch sets up on the lateral wall of hold-in range, the outside of hold-in range is equipped with and prevents the injection tube is followed the first barrier of roll-off in the first notch.

The injector conveying line further comprises a stepping dial wheel which is in butt joint with the input end of the synchronous belt, a plurality of second notches for accommodating the injection cylinders are uniformly distributed on the stepping dial wheel, and second barriers for preventing the injection cylinders from being separated from the second notches are arranged on the outer side of the stepping dial wheel.

Specifically, the clamping unit comprises a pair of first clamping blocks which are oppositely arranged at two sides of the injection cylinder and a first driving element which drives the pair of first clamping blocks to move close to or away from each other so as to clamp or release the injection cylinder.

Specifically, the filling unit comprises a filling needle arranged below the injector conveying line and a second driving element for driving the filling needle to move up and down so as to be in butt joint with the lower end of the injection cylinder.

Specifically, the lifting unit comprises a chuck for clamping or loosening the injection handle and a third driving element for driving the chuck to move up and down, and the clamping or loosening of the chuck is driven by a fourth driving element.

The utility model also provides a prefilled syringe filling and sealing machine which comprises the prefilled syringe filling assembly.

Compared with the prior art, at least one embodiment of the utility model has the following beneficial effects: the filling device is characterized in that a clamping unit and a lifting unit are additionally arranged at a filling station, the clamping unit is used for clamping and fixing the injection tube, and the lifting unit is used for driving an injection handle of the injection tube to lift upwards for a set distance relative to the injection tube when the injection tube after filling is clamped by the clamping unit, so that downward dripping and leakage of liquid medicine in the injection tube can be effectively prevented, and the stability of filling is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a first schematic structural view of a can assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram II of a canning component according to an embodiment of the present invention;

wherein: 1. an injector conveying line; 101. a synchronous belt; 102. a first notch; 103. a drive wheel; 104. a stepping dial wheel; 105. a second notch; 106. a second barrier; 107. inputting a slide rail; 2. an injection tube; 3. a filling unit; 301. a perfusion needle; 302. a second drive element; 4. a clamping unit; 401. a first clamping block; 402. a first drive element; 5. a lifting unit; 501. a chuck; 502. a third drive element; 503. a fourth drive element; 6. a barrier; 7. and (6) curling.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 and 2, a prefilled syringe filling assembly is arranged at a filling station of a syringe conveyor line 1, the syringe conveyor line 1 includes a synchronous belt 101 and a stepping motor for driving the synchronous belt 101 to move, the synchronous belt 101 is uniformly provided with a plurality of first notches 102 for hanging a syringe 2 of the syringe, when the syringe 2 is vertically hung on the synchronous belt 101, a needle end of the syringe 2 faces downward, the filling assembly includes a filling unit 3, a clamping unit 4 and a lifting unit 5, the filling unit 3 is used for filling liquid into the syringe, the clamping unit 4 is used for clamping or loosening the syringe 2 of the syringe, and the lifting unit 5 is used for driving an injection handle of the syringe to lift upwards for a set distance relative to the syringe 2 when the filled syringe 2 is clamped by the clamping unit 4.

In this embodiment, be equipped with clamping unit 4 and hoisting unit 5 additional in filling station department, when hoisting unit 5 injection tube 2 after the filling was pressed from both sides tightly by clamping unit 4, can drive the relative injection tube 2 upwards promotion of injection handle of syringe and set for the distance to can effectively prevent the liquid medicine in the syringe through the syringe needle end down the dribbling, have simple structure, low cost, advantage that stability is high.

Referring to fig. 1 and 2, in practical design, two ends of a synchronous belt 101 are connected with driving wheels 103, a stepping motor is connected with one of the driving wheels 103, the synchronous belt 101 is annularly arranged in a horizontal plane, a first notch 102 is arranged on an outer side wall of the synchronous belt 101, a first barrier 6 for preventing an injector from sliding out of the first notch 102 is arranged on an outer side of the synchronous belt 101, an injection tube 2 of the injector can be clamped in the first notch 102 from an outer opening of the first notch 102, the injection tube 2 can be suspended in the first notch 102 without falling off due to a turned edge 7 at a tail end of the injection tube 2, the injection tube 2 flows out from an output end of the synchronous belt 101 after sequentially going through steps of canning, capping and the like, an output slide rail (not shown in the figure) which is obliquely arranged downwards is abutted to an output end of the synchronous belt 101, an output slide rail for hanging and sliding a bottle body is arranged on the output slide rail, the filled vials that slide off the output slide fall into a collection hopper (not shown). Of course, the first notch 102 on the timing belt 101 may also adopt other structures, and only the syringe 2 needs to be vertically hung on the timing belt 101 in a rotating manner.

Specifically, the injector conveying line 1 further comprises a stepping dial wheel 104 butted with the input end of the synchronous belt 101 and an input slide rail 107 butted with the input end of the stepping bottle feeding dial wheel, a plurality of second notches 105 for accommodating the injection cartridges 2 are uniformly distributed on the stepping dial wheel 104, the injection cartridges can be suspended in the second notches 105, the outside of the step thumb wheel 104 is provided with a second barrier for preventing the syringe 2 from falling out of the second notch 105, the input slide rail 107 is obliquely arranged, the input slide rail 106 is provided with an input slide rail for the syringe to slide in a hanging manner, the syringe is hung on the input slide rail 107 due to the limitation of the curled edge 7 and falls into the notch at the input end of the step thumb wheel 104 along the input slide rail, the second barrier extends to the input slide rail 107, therefore when the step thumb wheel rotates, the syringe can be driven to rotate synchronously with the syringe without falling from the side opening of the second slot 105.

Referring to fig. 1 and 2, in some embodiments, the clamping unit 4 includes a pair of first clamping blocks 401 oppositely disposed at both sides of the injection tube 2 and a first driving element 402 driving the pair of first clamping blocks 401 to approach or move away from each other to clamp or release the injection tube 2, the filling assembly includes a filling needle 301 disposed below the conveying line and a second driving element 302 driving the filling needle 301 to move up and down to be in abutment with the lower end of the injection tube 2, the filling needle 301 is connected to the filling pump, the lifting unit 5 includes a collet 501 for clamping or releasing the injection handle and a third driving element 502 driving the collet 501 to move up and down, clamping or releasing of the collet 501 is driven by a fourth driving element 503, and the collet 501 is composed of two oppositely disposed second clamping blocks.

In this embodiment, when the injector moves to the filling station, the synchronous belt 101 stops moving, the first driving element 402 drives the pair of first clamping blocks 401 to approach each other and clamp the injection tube 2, the second driving element 302 drives the filling needle 301 to move upward and butt with the lower end of the injection tube 2 (needle end), after the butt joint is completed, the filling pump is started to inject the injection solution into the injection tube 2 through the filling needle 301, the injection handle moves upward for a set distance relative to the injection tube 2 due to the filling pressure, after the filling, the filling needle 301 resets, the fourth driving element 503 drives the chuck 501 to clamp the injection handle, the third driving element 502 drives the chuck 501 to move upward, the injection handle is pulled upward for a certain distance, the liquid medicine in the needle end of the injection tube 2 is sucked upward for a certain distance, so as to effectively prevent the liquid medicine in the injector from dropping downward, and after the above steps are completed, the chuck 501 releases the injection handle, the injection tube 2 is loosened by the first clamping block 401, the third driving element 502 drives the clamping head 501 to move downwards and reset, and the synchronous belt 101 continues to move to convey the filled injection tube 2 to the next station. The first driving element 402, the second driving element 302, the third driving element 502 and the fourth driving element 503 may be cylinders, air cylinders or linear motors.

The application still provides a prefill syringe filling and sealing machine including the filling subassembly of above-mentioned embodiment, because the filling subassembly of the prefill syringe filling and sealing machine of this embodiment adopted above-mentioned structure, consequently possesses the advantage effect of above-mentioned filling subassembly at least, no longer gives redundant details here.

Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.

Meanwhile, if the utility model as described above discloses or relates to parts or structural members fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated. Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Claims

1. The filling subassembly of pre-filled syringe sets up in the filling station department of syringe transfer chain (1), and this filling subassembly includes filling unit (3) in pouring liquid into the syringe, its characterized in that: the filling assembly further comprises a clamping unit (4) and a lifting unit (5), wherein the clamping unit (4) is used for clamping or loosening the injection tube (2) of the injector, and the lifting unit (5) is used for driving an injection handle of the injector to be lifted upwards for a set distance relative to the injection tube (2) when the filled injection tube (2) is clamped by the clamping unit (4).

2. A prefilled syringe filling assembly according to claim 1, wherein: the injector conveying line (1) comprises a synchronous belt (101) and a stepping motor for driving the synchronous belt (101) to move, and a plurality of first notches (102) used for hanging the injection cylinder (2) are uniformly formed in the synchronous belt (101).

3. A prefilled syringe filling assembly according to claim 2, wherein: the synchronous belt (101) is arranged in an annular mode in the horizontal plane, the first notch (102) is formed in the outer side wall of the synchronous belt (101), and a first barrier (6) for preventing the injection cylinder (2) from sliding out of the first notch (102) is arranged on the outer side of the synchronous belt (101).

4. A prefilled syringe filling assembly according to claim 3, wherein: the injector conveying line (1) further comprises a stepping dial wheel (104) which is in butt joint with the input end of the synchronous belt (101), a plurality of second notches (105) for accommodating the injection cylinder (2) are uniformly distributed on the stepping dial wheel (104), and second barriers (106) for preventing the injection cylinder (2) from being separated from the second notches (105) are arranged on the outer side of the stepping dial wheel (104).

5. A prefilled syringe filling assembly according to any one of claims 1 to 4, wherein: the clamping unit (4) comprises a pair of first clamping blocks (401) which are oppositely arranged at two sides of the injection cylinder (2) and a first driving element (402) which drives the pair of first clamping blocks (401) to move close to or away from each other so as to clamp or release the injection cylinder (2).

6. A prefilled syringe filling assembly according to claim 5, wherein: the filling unit (3) comprises a filling needle (301) arranged below the injector conveying line (1) and a second driving element (302) driving the filling needle (301) to move up and down to be in butt joint with the lower end of the injection cylinder (2).

7. A prefilled syringe filling assembly according to claim 6, wherein: the lifting unit (5) comprises a chuck (501) for clamping or loosening the injection handle and a third driving element (502) for driving the chuck (501) to move up and down, wherein the clamping or loosening of the chuck (501) is driven by a fourth driving element (503).

8. Pre-filled syringe filling and sealing machine, its characterized in that: comprising a prefilled syringe filling assembly according to any one of claims 1 to 7.