CN216970076U

CN216970076U - Filling system

Info

Publication number: CN216970076U
Application number: CN202123430400.0U
Authority: CN
Inventors: 刘玉明; 杨波; 张博庭; 陈勇
Original assignee: Truking Technology Ltd
Current assignee: Truking Technology Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-15
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a filling system which comprises a liquid storage tank, a liquid separation component, an air inlet adjusting component and a liquid inlet adjusting component, wherein the air inlet adjusting component is used for maintaining the pressure of the liquid storage tank, the liquid inlet adjusting component is used for maintaining the liquid amount of liquid medicine in the liquid storage tank, a stirrer is arranged on the liquid storage tank, a weighing module is arranged below the liquid storage tank, a liquid inlet of the liquid separation component is connected with the liquid storage tank, each liquid outlet of the liquid separation component is sequentially connected with a flowmeter, a filling valve and a filling needle, a gas return pipe is arranged between the liquid separation component and the liquid storage tank, and a gas return valve is arranged on the gas return pipe. The utility model has the advantages of simple structure, low cost, higher filling precision, suitability for liquid medicine which is easy to stratify or precipitate and the like.

Description

Filling system

Technical Field

The utility model relates to the technical field of food and medicine packaging equipment, in particular to a filling system.

Background

For most liquid subpackage products, the subpackage mainly comprises a plunger pump, a peristaltic pump or other positive displacement pumps and a gravity flow type subpackage technology. Plunger pumps are widely used, but the cost is high, and the cost of the plunger pump which can be cleaned and sterilized on line is higher; the peristaltic pump is low in cost, the split charging precision is slightly poor compared with that of a plunger pump, but the peristaltic pump has obvious advantages for products with high viscosity, and the silicone tube is easy to age and needs to be replaced frequently, so that the running cost is high; the displacement pump is inconvenient to clean, change specifications and the like due to structural reasons, so that the application range is limited; the precision of the gravity flow type filling mode is difficult to effectively control, and the gravity flow type filling mode is not suitable for products with high filling precision requirements.

After comprehensively considering various factors of precision, productivity and use convenience, a time pressure method appears on the market, and as a novel split charging mode, the time pressure method has higher precision theoretically, can meet the requirements of adjustable and controllable productivity, is convenient to clean and sterilize, is widely applicable and integrates various advantages. However, when the liquid medicine is easy to layer or precipitate and needs to be stirred in real time, the accuracy of pressure control is affected due to disturbance of the liquid level in the time-pressure method, and therefore the filling precision is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide the liquid medicine filling system which has the advantages of simple structure, low cost and higher filling precision and is suitable for liquid medicine which is easy to layer or precipitate.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a filling system, includes the liquid storage pot, divides liquid part, is used for maintaining the inlet air adjusting part of liquid storage pot internal pressure and is used for maintaining the feed liquor adjusting part of liquid storage pot internal liquid medicine volume, be equipped with the agitator on the liquid storage pot, the liquid storage pot below is equipped with weighing module, divide the liquid inlet of liquid part with the liquid storage pot is connected, divides each liquid outlet of liquid part all to have connected gradually flowmeter, filling valve and irritate the needle, divide the liquid part with be equipped with the gas reflux valve between the liquid storage pot, be equipped with the gas reflux valve on the gas reflux valve.

As a further improvement of the technical scheme: one side of the filling needle is also provided with a cleaning and sterilizing groove.

As a further improvement of the above technical solution: the flowmeter is a mass flowmeter.

As a further improvement of the above technical solution: the liquid separating component is connected with the lower end of the flowmeter, and the filling valve is connected with the upper end of the flowmeter.

As a further improvement of the above technical solution: the liquid separating component is a liquid separating pipe or a liquid separator, and a drain valve is arranged on the lower side of the liquid separating component.

As a further improvement of the above technical solution: the air inlet adjusting assembly comprises an air inlet pipe connected with the liquid storage tank, and an air inlet valve, a pressure reducing valve, an air inlet proportion adjusting valve and a filter are sequentially arranged on the air inlet pipe.

As a further improvement of the above technical solution: the air inlet proportion regulating valve is connected with an exhaust valve.

As a further improvement of the above technical solution: the air inlet valve comprises a nitrogen inlet valve and a compressed air inlet valve.

As a further improvement of the above technical solution: the filling valve, the air inlet proportion adjusting valve and the air outlet valve are diaphragm valves.

As a further improvement of the above technical solution: the liquid inlet adjusting component comprises a liquid inlet pipe connected with the liquid storage tank, and a liquid inlet valve and a liquid inlet proportion adjusting valve are sequentially arranged on the liquid inlet pipe.

Compared with the prior art, the utility model has the advantages that: according to the filling system disclosed by the utility model, the air inflow and the air inflow speed are adjusted by the air inflow adjusting assembly, and the gas entering the liquid separation component can return to the liquid storage tank through the gas return pipe, so that the pressure in the liquid storage tank is kept relatively constant; the liquid inlet adjusting component is used for adjusting the liquid inlet quantity and the liquid inlet speed, so that the fluctuation of liquid medicine in the liquid storage tank is favorably reduced, the filling system is kept stable, and meanwhile, the liquid storage tank is arranged on the weighing module, so that the relative constant weight of the liquid medicine in the liquid storage tank can be effectively controlled, and compared with a scheme of controlling the liquid level height in the liquid storage tank by adopting a liquid level sensor, the problem of cleaning and sterilizing dead corners caused by the liquid level sensor is avoided; the agitator can stir the liquid medicine in the liquid storage tank for filling system can be applicable to the liquid medicine that contains the easy layering of granule or deposit, liquid medicine in the liquid storage tank is in proper order through dividing liquid part, each flowmeter, filling valve and irritate the needle filling to the container in, can control the filling volume of each container through the flowmeter, guarantee the filling precision, do not stirred the influence that brings by the agitator to the liquid medicine, overcome the problem that the plunger pump can not be used for the liquid medicine of the easy layering of filling or deposit, and overall structure is simple, and is with low costs.

Drawings

Fig. 1 is a schematic perspective view of the filling system of the present invention.

The reference numerals in the figures denote: 1. a liquid storage tank; 11. a pressure detecting member; 2. a liquid separating member; 21. a gas return pipe; 22. a gas return valve; 3. an intake air regulating assembly; 31. an air inlet pipe; 32. a pressure reducing valve; 33. an air intake proportion regulating valve; 34. a filter; 35. an exhaust valve; 36. a nitrogen gas inlet valve; 37. a compressed air intake valve; 4. a liquid inlet regulating component; 41. a liquid inlet pipe; 42. a liquid inlet valve; 43. a liquid inlet proportion regulating valve; 5. a stirrer; 6. a weighing module; 7. a flow meter; 8. a filling valve; 9. filling a needle; 91. and cleaning and sterilizing the tank.

Detailed Description

The utility model is described in further detail below with reference to the figures and specific examples of the specification.

Fig. 1 shows an embodiment of the filling system of the present invention, which includes a liquid storage tank 1, a liquid separation component 2, an air inlet adjusting component 3 for maintaining the pressure in the liquid storage tank 1, and a liquid inlet adjusting component 4 for maintaining the amount of liquid medicine in the liquid storage tank 1, wherein a stirrer 5 is arranged on the liquid storage tank 1, a weighing module 6 is arranged below the liquid storage tank 1, a liquid inlet of the liquid separation component 2 is connected with the liquid storage tank 1, each liquid outlet of the liquid separation component 2 is sequentially connected with a flow meter 7, a filling valve 8 and a filling needle 9, a gas return pipe 21 is arranged between the liquid separation component 2 and the liquid storage tank 1, and a gas return valve 22 is arranged on the gas return pipe 21.

According to the filling system, the air inlet adjusting component 3 is used for adjusting the air inlet amount and the air inlet speed, and meanwhile, the gas entering the liquid separating component 2 can return to the liquid storage tank 1 through the gas return pipe 21, so that the relatively constant pressure in the liquid storage tank 1 can be kept; the liquid inlet regulating assembly 4 is used for regulating the liquid inlet quantity and the liquid inlet speed, so that the fluctuation of the liquid medicine in the liquid storage tank 1 is favorably reduced, the filling system is kept stable, meanwhile, the liquid storage tank 1 is arranged on the weighing module 6, the weight of the liquid medicine in the liquid storage tank 1 can be effectively controlled to be relatively constant, and compared with a scheme of controlling the liquid level height in the liquid storage tank 1 by adopting a liquid level sensor, the problem of cleaning and sterilizing dead corners caused by the liquid level sensor is avoided; the agitator 5 can stir the liquid medicine in the liquid storage pot 1, make the filling system can be applicable to the liquid medicine that contains the easy layering of granule or deposit, the liquid medicine in the liquid storage pot 1 is in proper order through dividing liquid part 2, each flowmeter 7, filling valve 8 and irritate 9 filling to the container in, can control the filling volume of each container through flowmeter 7, guarantee the filling precision, do not carry out the influence that the stirring brought to the liquid medicine by agitator 5, the problem of the liquid medicine that the plunger pump can not be used for the easy layering of filling or deposit has been overcome, and overall structure is simple, and is with low costs.

Furthermore, in this embodiment, a cleaning and sterilizing tank 91 is further disposed on one side of the filling needle 9. After the filling is finished, the filling needle 9 can be inserted into the cleaning and sterilizing groove 91 on the side edge for cleaning and sterilizing, the problem that the peristaltic pump cannot be cleaned and sterilized on line is solved, and the filling needle cleaning device is simple in structure and low in cost.

In a preferred embodiment, the flow meter 7 is a mass flow meter. Compared with a volume flow meter, the filling quantity can be accurately controlled by adopting the mass flow meter, and the filling precision is ensured.

Further, in this embodiment, divide liquid part 2 and be connected with the lower extreme of flowmeter 7, filling valve 8 is connected with the upper end of flowmeter 7, and the liquid medicine flows upward after also flowing from the liquid outlet of dividing liquid part 2 and gets into flowmeter 7, then flows through filling valve 8 from the upper end again, and the filling is accomplished through filling needle 9 at last. Adopt the filling mode from bottom to top for after filling valve 8 was closed to the filling completion of previous time, mass flow meter and divide the connecting tube between the liquid part 2 to be full of the liquid medicine, when the filling next time, be favorable to mass flow meter's measurement to keep accurate, and then promote the filling precision.

The liquid separating member 2 may be, for example, a commonly used liquid separating tube or liquid separator, and a drain valve is provided below the liquid separating member 2. Because the liquid medicine upwards flows after the liquid outlet from dividing liquid part 2 flows, when wasing after filling system filling, be favorable to wasing water and discharge from the drain valve that divides liquid part 2 downside under the discrepancy in elevation effect, simple structure, convenient to use.

Further, in the present embodiment, the liquid storage tank 1 is provided with a pressure detection component 11 (e.g., a pressure meter, a pressure sensor, a pressure transmitter, etc.), the air inlet adjustment component 3 includes an air inlet pipe 31 connected to the liquid storage tank 1, the air inlet pipe 31 is provided with an air inlet valve, a pressure reducing valve 32, an air inlet ratio adjustment valve 33 and a filter 34 in sequence, and preferably, the air inlet ratio adjustment valve 33 is connected to an air outlet valve 35. During filling, dry gas medium enters the air inlet pipe 31 through the air inlet valve, pressure regulation is firstly carried out by the pressure reducing valve 32, then accurate pressure regulation is carried out through the air inlet proportion regulating valve 33, sterilization filtration is carried out through the filter 34, then the gas medium enters the liquid storage tank 1, the gas pressure in the liquid storage tank 1 is monitored by the pressure detection part 11 and fed back to the air inlet proportion regulating valve 33, the pressure of the gas in the liquid storage tank 1 is accurately controlled through effective matching of the air inlet proportion regulating valve 33 and the exhaust valve 35, and accurate control of filling accuracy is facilitated.

In the preferred embodiment, the inlet valves include a nitrogen inlet valve 36 and a compressed air inlet valve 37, i.e., dry nitrogen or compressed air can be selectively supplied to the reservoir tank 1.

Further, in this embodiment, the liquid inlet adjusting assembly 4 includes a liquid inlet pipe 41 connected to the liquid storage tank 1, and a liquid inlet valve 42 and a liquid inlet ratio adjusting valve 43 are sequentially disposed on the liquid inlet pipe 41. The liquid inlet proportion adjusting valve 43 adjusts the opening according to the numerical value detected by the weighing module 6, so that the liquid quantity in the liquid storage tank 1 is relatively stable, and the accurate control of the filling precision is facilitated.

In a preferred embodiment, the filling valve 8, the air intake valve, the air intake ratio regulating valve 33, the air exhaust valve 35, the liquid intake valve 42, and the liquid intake ratio regulating valve 43 are all diaphragm valves. The diaphragm valve has simple structure, better sealing and corrosion resistance and small fluid resistance, and is particularly suitable for liquid medicine with suspended particles.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed solution, or modify equivalent embodiments using the teachings disclosed above, without departing from the scope of the solution. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. A filling system, characterized by: including liquid storage pot (1), divide liquid part (2), be used for maintaining air intake adjusting part (3) of liquid storage pot (1) internal pressure and be used for maintaining feed liquor adjusting part (4) of liquid medicine volume in liquid storage pot (1), be equipped with agitator (5) on liquid storage pot (1), liquid storage pot (1) below is equipped with weighing module (6), divide the liquid inlet of liquid part (2) with liquid storage pot (1) is connected, divides each liquid outlet of liquid part (2) and all has connected gradually flowmeter (7), filling valve (8) and irritate needle (9), divide liquid part (2) with be equipped with gas return pipe (21) between liquid storage pot (1), be equipped with gas return valve (22) on gas return pipe (21).

2. The filling system of claim 1, wherein: a cleaning and sterilizing groove (91) is also arranged on one side of the filling needle (9).

3. The filling system of claim 1, wherein: the flowmeter (7) is a mass flowmeter.

4. The filling system according to claim 3, wherein: the liquid separating component (2) is connected with the lower end of the flowmeter (7), and the filling valve (8) is connected with the upper end of the flowmeter (7).

5. The filling system according to claim 4, wherein: divide liquid part (2) to be liquid-separating pipe or knockout, divide liquid part (2) downside to be equipped with the drain valve.

6. The filling system according to any one of claims 1 to 5, wherein: be equipped with pressure detection part (11) on liquid storage pot (1), admit air adjusting part (3) include with intake pipe (31) that liquid storage pot (1) is connected, be equipped with admission valve, relief pressure valve (32), air intake ratio control valve (33) and filter (34) on intake pipe (31) in proper order.

7. The filling system of claim 6, wherein: the air inlet proportion regulating valve (33) is connected with an exhaust valve (35).

8. The filling system of claim 6, wherein: the air inlet valve comprises a nitrogen inlet valve (36) and a compressed air inlet valve (37).

9. The filling system of claim 7, wherein: and the filling valve (8), the air inlet valve, the air inlet proportion regulating valve (33) and the exhaust valve (35) are diaphragm valves.

10. The filling system according to any one of claims 1 to 5, wherein: feed liquor adjusting part (4) include with feed liquor pipe (41) that liquid storage pot (1) is connected, be equipped with feed liquor valve (42) and feed liquor proportion control valve (43) on feed liquor pipe (41) in proper order.