Aseptic filling system

Abstract

The application relates to a sterile perfusion system, which relates to a perfusion device for realizing sterile material perfusion on a material bag, comprising a base plate, a sterile chamber arranged at the bottom of the base plate, a pulling and pressing mechanism arranged at the top surface of the base plate and used for performing a pulling and pressing action on the material bag sent into the sterile chamber, and a perfusion mechanism arranged at the top surface of the base plate and used for performing a perfusion action on the material bag after the pulling action. The application has the advantages of simple and compact structure, high practicability, low machining precision requirement, convenient machining and cost reduction.

Description

TECHNICAL FIELD

[0001] The present application relates to a perfusion device, in particular to a sterile perfusion system. BACKGROUND

[0002] Filling machines can be divided into atmospheric filling machines, pressure filling machines and vacuum filling machines according to the filling principle. The atmospheric filling machine is filled by the weight of the liquid under atmospheric pressure. This type of filling machine is divided into two types: timed filling and constant volume filling, which is only suitable for filling low viscosity liquids without gas, such as milk, wine, pure water, fruit juice and the like. The pressure filling machine is filled under pressure higher than atmospheric pressure, which can also be divided into two types: one is that the pressure in the liquid tank is equal to the pressure in the bottle, and the liquid is filled into the bottle by its own weight, which is called isobaric filling; the other is that the pressure in the liquid tank is higher than the pressure in the bottle, and the liquid flows into the bottle by pressure difference, which is commonly used in high-speed production lines. The pressure filling machine is suitable for filling liquids containing gas, such as beer, soda, champagne, carbonated beverages and soda water. The vacuum filling machine is filled under the condition that the pressure in the bottle is lower than atmospheric pressure. This type of filling machine has simple structure, high efficiency and wide range of viscosity of materials, such as oil, syrup and fruit wine.

[0003] The existing filling system of the filling machine generally includes a filling valve part and a cap pulling and cap pressing part structure. The existing filling system has a complex structure, the cap pulling and cap pressing structure is complex, the traditional filling valve is relatively long, the processing precision of the filling rod is high, the processing is difficult, the cost is too high, the adjustment is complex, and the sterile environment of the sterile chamber is difficult to maintain continuously. SUMMARY

[0004] The present application aims to solve the technical defects of the existing filling system, such as complex structure, complex cap pulling and cap pressing structure, high processing precision, difficult processing, high cost, complex adjustment, and difficult to maintain the sterile environment of the sterile chamber continuously.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is:

[0006] A sterile filling system for achieving sterile material filling of a material bag, comprising a base plate, a sterile chamber arranged at the bottom of the base plate, a pulling and pressing mechanism arranged at the top surface of the base plate for performing a pulling or pressing action on the material bag sent into the sterile chamber, and a filling mechanism arranged at the top surface of the base plate for performing a filling action on the material bag after the pulling action.

[0007] As a further optional solution of the sterile filling system, the pulling and pressing mechanism comprises an inner tube and an outer tube arranged in vertical inner-outer coaxial nesting and rotatable manner, the lower end of the inner tube is fixedly provided with a pulling base for clamping and fixing a bag nozzle seat, the lower end of the outer tube is fixedly provided with a pulling and pressing cantilever for clamping a cover and performing a pulling and pressing action, in the original state, the pulling and pressing cantilever and the pulling base correspondingly constitute a pulling device in up-down relationship; further comprising a lifting assembly for driving the outer tube to lift up and down to make the pulling and pressing cantilever perform a pulling and pressing action, an outer rotating assembly for driving the outer tube to rotate so as to drive the pulling and pressing cantilever clamping the cover to deviate from the filling port, and an inner rotating assembly for driving the inner tube to rotate so as to drive the material bag to move to a bag unloading station.

[0008] As a further optional solution of the sterile filling system, the lifting assembly comprises a lifting electric cylinder arranged vertically downward, the output rod of the lifting electric cylinder is fixedly connected with a connecting rod in horizontal manner, the two ends of the connecting rod are fixedly connected with the upper ends of vertical rods respectively, the lower ends of the vertical rods are fixedly connected with the two ends of a rotating plate respectively, and the rotating plate is coaxially rotatably connected with the outer tube.

[0009] As a further optional solution of the sterile filling system, the inner rotating assembly comprises an inner gas cylinder arranged in horizontal manner, the tail end of the inner gas cylinder is rotatably connected with the upper end of a support, the support is fixedly arranged on the top surface of the base plate, the output rod of the inner gas cylinder is rotatably connected with the outer end of an inner rotating piece, and the inner end of the inner rotating piece is fixedly connected with the upper end of the inner tube.

[0010] As a further optional solution of the sterile filling system, the outer rotating assembly comprises an outer gas cylinder arranged in horizontal manner, the tail end of the outer gas cylinder is rotatably connected with the upper end of a support, the output rod of the outer gas cylinder is provided with a sliding sleeve, the sliding sleeve is movably connected with a sliding rod, the upper end of the sliding rod is rotatably connected with the outer end of an outer rotating piece, the inner end of the outer rotating piece is rotatably connected with the inner tube, the lower part of the sliding rod is movably connected with a shaft sleeve, and the inner side of the shaft sleeve is fixedly connected with the outer side of the outer tube.

[0011] As a further optional solution of the sterile perfusion system, the perfusion mechanism comprises a lifting cylinder, a lifting plate driven up and down by the lifting cylinder, and a material pipe vertically arranged at the bottom of the lifting plate, wherein the lower end outlet of the material pipe is communicated with a valve piece, the lower end of the valve piece is formed with a perfusion port, a valve rod driven up and down by a valve core cylinder is arranged in the valve piece, and the lower end of the valve rod is connected with a valve core matched with the perfusion port.

[0012] As a further optional solution of the sterile perfusion system, the perfusion port is correspondingly arranged above and below the perfusion station.

[0013] As a further optional solution of the sterile perfusion system, a steam barrier is sealingly arranged on the material pipe and the valve rod, and the lower end of the steam barrier is formed with a steam outlet communicated with the sterile chamber.

[0014] As a further optional solution of the sterile perfusion system, an online pressure detector for monitoring the pressure of the sterile chamber in real time is arranged in the sterile chamber, and the machine automatically alarms when the detected pressure is lower than a minimum value.

[0015] Compared with the prior art, the present application has the following technical effects:

[0016] The present application sets the inner pipe, the outer pipe, the uncapping base piece, the uncapping cantilever, the lifting assembly, the outer rotating assembly and the inner rotating assembly, when the material bags are sent into the sterile chamber one by one, the cover and the bag mouth seat are synchronously clamped and fixed in the uncapping base piece and the uncapping cantilever, the lifting assembly drives the outer pipe to move up and down, thereby driving the uncapping cantilever to pull out the cover on the material bag, after the cover is pulled out, the outer rotating assembly drives the outer pipe to rotate, thereby driving the uncapping cantilever to deviate from the perfusion port, the perfusion mechanism performs the perfusion process, after the perfusion is completed, the outer rotating assembly drives the outer pipe to rotate in the opposite direction, thereby driving the uncapping cantilever to align with the bag mouth seat, the lifting assembly drives the outer pipe to move downward, thereby covering the cover on the bag mouth seat, finally, the inner rotating assembly moves the material bag after the perfusion to the bag unloading station to unload the bag, after the bag unloading is completed, the uncapping mechanism returns to the initial position to perform the perfusion process of the next material bag. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the technical solutions of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only need to be some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0018] Figure 1 Structure diagram of the perfusion system of the present application;

[0019] Figure 2 Structure diagram of the perfusion mechanism of the present application;

[0020] Figure 3 Structure diagram of the perfusion mechanism of the present application;

[0021] Figure 4 Structure diagram of the perfusion mechanism of the present application;

[0022] Figure 5 Structure diagram of the perfusion mechanism of the present application;

[0023] Figure 6 Structure diagram of the perfusion mechanism of the present application;

[0024] Figure 7 Structure diagram of the perfusion mechanism of the present application;

[0025] Figure 8 Structure diagram of the perfusion mechanism of the present application;

[0026] Figure 9 Structure diagram of the perfusion mechanism of the present application;

[0027] Figure 10 Structure diagram of the perfusion mechanism of the present application.

[0028] In the figure: 1. base plate, 2. sterile chamber, 3. perfusion mechanism, 301. lifting plate, 302. lifting cylinder, 303. material pipe, 304. pressure pulling mechanism, 305. valve core cylinder, 306. valve rod, 307. steam barrier, 308. perfusion port, 309. valve core, 401. inner pipe, 402. outer pipe, 403. cap pulling base piece, 404. cap pulling cantilever, 405. lifting cylinder, 406. connecting rod, 407. vertical rod, 408. rotating plate, 409. support, 410. inner cylinder, 411. inner rotating piece, 412. outer cylinder, 413. sliding sleeve, 414. sliding rod, 415. outer rotating piece, 416. shaft sleeve. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0031] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or a welded connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0032] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0033] like Figures 1-10 As shown, an aseptic filling system is used to aseptically fill material bags, including a base plate 1, an aseptic chamber 2 disposed at the bottom of the base plate 1, a capping or capping mechanism 4 disposed on the top surface of the base plate 1 for capping or capping the material bag fed into the aseptic chamber 2, and a filling mechanism 3 disposed on the top surface of the base plate 1 for filling the capped material bag.

[0034] Specifically, as shown in the drawings, the pulling and pressing mechanism 4 comprises an inner tube 401 and an outer tube 402 which are vertically and coaxially nested and rotatably arranged, the lower end of the inner tube 401 is fixedly provided with a pulling cover base 403 for clamping and fixing the bag spout seat, the lower end of the outer tube 402 is fixedly provided with a pulling cover cantilever 404 for clamping the cover and performing the pulling and pressing action, in the original state, the pulling cover cantilever 404 corresponds to the pulling cover base 403 in an up-down manner to form a pulling cover; further comprising a lifting assembly for driving the outer tube 402 to lift up and down to make the pulling cover cantilever 404 perform the pulling and pressing action, an outer rotating assembly for driving the outer tube 402 to rotate so as to drive the pulling cover cantilever 404 clamping the cover to deviate from the pouring port, and an inner rotating assembly for driving the inner tube 401 to rotate so as to drive the material bag to move to the unloading station.

[0035] By arranging the inner tube 401, the outer tube 402, the pulling cover base 403, the pulling cover cantilever 404, the lifting assembly, the outer rotating assembly and the inner rotating assembly, when the material bags are sent into the sterile chamber one by one, the cover and the bag spout seat are clamped and fixed in the pulling cover base 403 and the pulling cover cantilever 404 synchronously, the lifting assembly drives the outer tube 402 to lift up and down, thereby driving the pulling cover cantilever 404 to pull the cover on the material bag upward, after the cover is pulled out, the outer rotating assembly drives the outer tube 402 to rotate, thereby driving the pulling cover cantilever 404 to deviate from the pouring port, the pouring mechanism 3 performs the pouring process, after pouring is completed, the outer rotating assembly drives the outer tube 402 to rotate in the opposite direction, thereby driving the pulling cover cantilever 404 to align with the bag spout seat, the lifting assembly drives the outer tube 402 to move downward, thereby covering the cover on the bag spout seat, finally, the inner rotating assembly moves the material bag after pouring to the unloading station to unload, after unloading is completed, the pulling and pressing mechanism 4 returns to the initial position to perform the pouring process for the next material bag. The structure is simple and compact, has high practicability, low machining precision requirement, convenient machining and low cost.

[0036] Specifically, as shown in the drawings, the lifting assembly comprises a lifting electric cylinder 405 which is vertically arranged downward, the output rod of the lifting electric cylinder 405 is fixedly connected with a connecting rod 406, the two ends of the connecting rod 406 are respectively fixedly connected with the upper ends of vertical rods 407, the lower ends of the vertical rods 407 are respectively fixedly connected with the two ends of a rotating plate 408, and the rotating plate 408 is coaxially and rotatably connected with the outer tube 402. In use, the lifting electric cylinder 405 drives the rotating plate 408 to lift up and down, thereby realizing the pulling and pressing actions.

[0037] Specifically, as shown in the figure, the inner rotating assembly includes a horizontally erected inner cylinder 410, the tail end of the inner cylinder 410 is rotationally connected with the upper end of the support 409, the support 409 is vertically fixed on the top surface of the base plate 1, the output rod of the inner cylinder 410 is rotationally connected with the outer end of the inner rotating sheet 411, and the inner end of the inner rotating sheet 411 is fixedly connected with the upper end of the inner tube 401. In use, the inner cylinder 410 drives the inner rotating sheet 411 to rotate, thereby driving the inner tube 401 to rotate, so as to realize the function of moving the material bag to the bag unloading station.

[0038] Specifically, as shown in the figure, the outer rotating assembly includes a horizontally erected outer cylinder 412, the tail end of the outer cylinder 412 is rotationally connected with the upper end of the support 409, the output rod of the outer cylinder 412 is provided with a sliding sleeve 413, the sliding sleeve 413 is movably connected with a sliding rod 414, the upper end of the sliding rod 414 is rotationally connected with the outer end of an outer rotating sheet 415, the inner end of the outer rotating sheet 415 is rotationally connected with the inner tube 401, the lower part of the sliding rod 414 is movably connected with a shaft sleeve 416, and the inner side of the shaft sleeve 416 is fixedly connected with the outer side of the outer tube 402. In use, the sliding rod 414 is driven by the output rod of the outer cylinder 412 to rotate around the inner tube, thereby driving the outer tube to rotate around the inner tube, so as to drive the cantilever to deviate from the pouring port, facilitating subsequent pouring. It is worth mentioning that by arranging the sliding rod 414 structure, the function of lifting the outer tube up and down while rotating the outer tube is realized, the structure is simple and compact, and the practicability is high.

[0039] Specifically, as shown in the figure, the pouring mechanism 3 includes a lifting cylinder 302, a lifting plate 301 driven by the lifting cylinder 302 to move up and down, and a material pipe 303 vertically arranged at the bottom of the lifting plate 301. The lower end outlet of the material pipe 303 is communicated with a valve element 304, the lower end of the valve element 304 forms a pouring port 308, a valve rod 306 driven by a valve core cylinder 305 to move up and down is arranged in the valve element 304, the lower end of the valve rod 306 is connected with a valve core 309 matched with the pouring port 308, and the valve core cylinder 305 is fixedly arranged on the lifting plate 301. In use, when the cantilever deviates from the pouring port, the lifting cylinder 302 drives the lifting plate 301 to move downward, that is, the pouring port is aligned with the bag mouth, the opening and closing of the valve is realized by controlling the valve core cylinder 305, and the pouring is realized. The structure is simple and compact, and the practicability is high.

[0040] Specifically, as shown in the figure, the pouring port 308 corresponds to the pouring station up and down.

[0041] Specifically, as shown in the figure, the material pipe 303 and the valve rod 306 are sealingly provided with a steam barrier 307, and the lower end of the steam barrier 307 forms a steam outlet communicated with the sterile chamber 2.

[0042] The sterile chamber 2 is provided with an on-line pressure detector for monitoring the pressure of the sterile chamber in real time, and when the detected pressure is lower than the minimum value, the machine automatically alarms.

[0043] Specifically, the specific implementation principle of the sterile filling of the present application is as follows:

[0044] 1. In the production preparation stage, the equipment is preheated, the vaporized hydrogen peroxide generated by the VHP performs sterilization on the pipeline, the sterilization bin and the sterile chamber, and then the sterile air system injects sterile air into the pipeline and the sterile chamber. The high-temperature steam of the steam barrier is opened to protect the positive pressure sterile environment of the sterile chamber.

[0045] 2. In the production start stage, the transmission mechanism transmits the pre-sterilized plastic bag to the sterilization bin, and after sterilization by hydrogen peroxide steam, it is transmitted to the sterile chamber filling station. The pressure pulling mechanism pulls off the cover of the bag mouth, the filling valve moves downward and is connected with the bag mouth, the product starts to be filled, the flow meter monitors the filling amount, and when the filling is completed, the filling valve moves upward and is separated from the bag mouth, the pressure pulling mechanism presses the cover back to the bag mouth, and the transmission mechanism moves the filled product to the unloading station, and at the same time, the bag mouth of the next plastic bag to be filled is moved to the filling station. During the whole process, the filling space is protected by sterile positive pressure air.

[0046] 3. In the production end stage, the linking cleaning pipeline performs CIP on the product pipeline of the filling valve of the equipment.

[0047] The innovation points of the sterile filling system are as follows:

[0048] 1. The hydrogen peroxide steam generated by the VHP system is used for pre-sterilization treatment of the filling environment;

[0049] 2. The advanced and reliable sterile air system is used for positive pressure protection of the sterile environment of the sterile chamber;

[0050] 3. The high-temperature steam barrier is used to isolate the internal and external environments of the sterile chamber, so as to protect the filling valve and the cover pulling / covering mechanism from the influence of the external environment on the sterile environment of the sterile chamber;

[0051] 4. The APV sterile product combination valve effectively protects the product in the product pipeline.

[0052] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0053] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A system for aseptic filling of a material bag with a sterile material, characterized in that The utility model relates to a kind of automatic bagging machine, including substrate (1), sterile chamber (2) being arranged in the bottom of substrate (1), the mechanism (4) for pulling and pressing for being arranged in the top surface of substrate (1) and being used to pull cover or press cover action to material bag sent into sterile chamber (2), and the mechanism (3) for being arranged in the top surface of substrate (1) and being used to fill after the filling mechanism (3) of material bag is pulled cover; The pulling and pressing mechanism (4) includes vertically inner and outer coaxial nested rotatable inner tube (401), outer tube (402), the lower end of the inner tube (401) is fixedly provided with a pulling cover base piece (403) for holding and fixing bag mouth seat, the lower end of the outer tube (402) is fixedly provided with a pulling cover cantilever (404) for holding cover body and pulling and pressing action, in original state, the pulling cover cantilever (404) and the pulling cover base piece (403) correspond to the upper and lower composition pulling cover; it further includes lifting assembly for driving the outer tube (402) to go up and down and make pulling cover cantilever (404) pulling and pressing action, outer rotating assembly for driving the outer tube (402) to rotate so as to drive pulling cover cantilever (404) holding cover body to deviate from filling port, inner rotating assembly for driving the inner tube (401) to rotate so as to drive material bag to move to unloading station; The lifting assembly includes lifting electric cylinder (405) arranged vertically downward, the output rod of the lifting electric cylinder (405) is fixedly connected with connecting rod (406) horizontally, the both ends of connecting rod (406) are fixedly connected with the upper end of vertical rod (407) respectively, the lower end of vertical rod (407) is fixedly connected with the both ends of rotating plate (408) respectively, the rotating plate (408) is coaxially rotatably connected with the outer tube (402); The inner rotating assembly includes horizontally erected inner cylinder (410), the tail end of the inner cylinder (410) is rotatably connected with the upper end of support (409), the support (409) is fixedly arranged vertically on the top surface of the substrate (1), the output rod of the inner cylinder (410) is rotatably connected with the outer end of inner rotating piece (411), the inner end of the inner rotating piece (411) is fixedly connected with the upper end of the inner tube (401).

2. A system as claimed in claim 1, wherein The outer rotating assembly includes horizontally erected outer cylinder (412), the tail end of the outer cylinder (412) is rotatably connected with the upper end of support (409), the output rod of the outer cylinder (412) is provided with sliding sleeve (413), the sliding sleeve (413) is movably connected with sliding rod (414), the upper end of the sliding rod (414) is rotatably connected with the outer end of outer rotating piece (415), the inner end of the outer rotating piece (415) is rotatably connected with the inner tube (401), the lower part of the sliding rod (414) is movably connected with shaft sleeve (416), the inner side of the shaft sleeve (416) is fixedly connected with the outer side of the outer tube (402).

3. A system as claimed in claim 2, wherein the system is configured to perform the steps of: The perfusion mechanism (3) comprises a lifting cylinder (302), a lifting plate (301) driven by the lifting cylinder (302) to lift up and down, a material pipe (303) vertically arranged at the bottom of the lifting plate (301), a lower end outlet of the material pipe (303) communicated with a valve piece (304), a perfusion port (308) formed at the lower end of the valve piece (304), a valve rod (306) arranged in the valve piece (304) and driven by a valve core cylinder (305) to lift up and down, a valve core (309) connected at the lower end of the valve rod (306) and matched with the perfusion port (308), and the valve core cylinder (305) fixedly arranged on the lifting plate (301). ​ 4. A system as claimed in claim 3, wherein the system is configured to perform the steps of: The perfusion port (308) corresponds to the perfusion station up and down. ​ 5. A system as claimed in claim 4, wherein the system is configured to perform the steps of: A steam barrier (307) is sealingly arranged on the material pipe (303) and the valve rod (306), and a steam outlet communicated with the sterile chamber (2) is formed at the lower end of the steam barrier (307). ​ 6. A system as claimed in claim 5, wherein the system is configured to perform the steps of: An online pressure detector for monitoring the pressure of the sterile chamber in real time is arranged in the sterile chamber (2), and the machine automatically alarms when the detected pressure is lower than the minimum value.

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