A continuous blow-fill-seal apparatus

Abstract

The utility model discloses a continuous blow -fill -seal equipment relates to pharmaceutical equipment technical field, include: extrusion system for extruding continuous pipe embryo, including extrusion motor, extrusion screw and extrusion die head, and extrusion motor is connected with extrusion screw transmission, and extrusion screw is connected with extrusion die head, the system of closing mould is used for the blow moulding of continuous pipe embryo into preset bottle type, the system of filling is used for filling liquid medicine to the plastic bottle of forming, the system of conveying is used for conveying the plastic bottle of forming filling, the system of punching is used for separating the plastic bottle of forming filling from the continuous pipe embryo chain, wherein, extrusion system, the system of closing mould, filling system, conveying system and punching system are sequentially arranged along the straight line, and extrusion screw and extrusion die head are along vertical direction setting, and the direction of extrusion die head's discharging is identical with the length direction of continuous blow -fill -seal equipment. The above -mentioned continuous blow -fill -seal equipment adopts linear layout, and can carry out equipment replacement without needing to change the existing factory.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical equipment technology, and in particular to a continuous blow-fill-seal device. Background Technology

[0002] A blow-fill-seal (BFS) machine is a pharmaceutical equipment primarily used for the aseptic filling production of plastic ampoules. A continuous blow-fill-seal machine is a preform-free process, characterized by high aseptic assurance. A reciprocating blow-fill-seal machine, on the other hand, requires preform cutting, with the mold-closing station reciprocating between the extrusion and filling stations.

[0003] Currently, there are a large number of Wilo plastic bottle blow-fill-seal integrated machines on the market. These machines are reciprocating machines and have disadvantages such as low production capacity, relatively low aseptic guarantee, and high production costs. There is a large market stock of this type of machine, and it is urgent to upgrade and replace it in order to meet market demand.

[0004] The new generation of continuous plastic bottle blow filling and sealing machines on the market has the characteristics of high capacity and high aseptic guarantee. Although the capacity can meet the demand, the discharge direction of this model is perpendicular to the direction of the equipment, which occupies a large factory space. It is not suitable for some existing factories, and users need to invest a lot of money to renovate the factory in the early stage. Therefore, it cannot fully meet the needs of the market.

[0005] Therefore, the existing technology still has shortcomings and deficiencies. How to provide a continuous blow-fill-seal equipment that does not require modification of the plant and has a low investment cost is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to provide a continuous blow-fill-seal equipment that solves the technical problem that current generation continuous plastic bottle blow-fill-seal integrated machines occupy a large space and require significant investment in factory modifications before they can be used.

[0007] To achieve the above objectives, this utility model provides a continuous blow-fill-seal device, comprising:

[0008] An extrusion system for extruding continuous tube preforms includes an extrusion motor, an extrusion screw, and an extrusion die, wherein the extrusion motor is drivenly connected to the extrusion screw, and the extrusion screw is connected to the extrusion die;

[0009] A mold-forming system is used to blow-mold continuous tube preforms into a pre-set bottle shape;

[0010] A filling system used to fill liquid medicine into molded plastic bottles;

[0011] A conveying system used to transport molded and filled plastic bottles;

[0012] A punching system is used to separate molded and filled plastic bottles from a continuous tube preform chain.

[0013] The extrusion system, the mold clamping system, the filling system, the conveying system, and the punching system are distributed in a straight line. The extrusion screw and the extrusion die are arranged in a vertical direction. The discharge direction of the extrusion die is consistent with the length direction of the continuous blow-fill-seal equipment.

[0014] Preferably, the extrusion system further includes:

[0015] A feeding hopper is used to supply granules to the extrusion screw, and the outlet end of the feeding hopper is connected to the inlet end of the extrusion screw;

[0016] A heating assembly is provided on the extrusion screw, and the heating assembly is used to heat and melt the granules inside the extrusion screw.

[0017] Preferably, the mold clamping system includes:

[0018] An openable mold assembly includes an upper mold, a lower mold, and a vertically arranged mold-closing lifting electric cylinder. The telescopic end of the mold-closing lifting electric cylinder is connected to the upper mold or the lower mold. The mold-closing lifting electric cylinder is used to drive the upper mold or the lower mold to move so that the upper mold and the lower mold can open and close.

[0019] Tube blank clamping assemblies, including pneumatic or electric clamps, are used to clamp continuous tube blank chains during the mold opening stage.

[0020] Preferably, the upper mold and / or the lower mold are provided with cooling water channels.

[0021] Preferably, the mold closing system further includes a guide rail fixedly arranged in the vertical direction, and a slider is fixedly connected to the upper mold or the lower mold. The slider is provided with a guide groove, and the slider is slidably connected to the guide rail through the guide groove.

[0022] Preferably, the punching system includes:

[0023] The upper die and the lower die are provided. The upper die is provided with a punch with a cutting edge that matches the contour of the plastic bottle. The lower die is provided with a base with a groove.

[0024] A punching and lifting electric cylinder is arranged vertically, and the telescopic end of the punching and lifting electric cylinder is connected to the upper punching die.

[0025] Preferably, the punching system further includes a detection unit for monitoring the position of the finished bottle.

[0026] Preferably, the punching system further includes a waste processing unit, which includes a waste traction roller and a collection box.

[0027] Preferably, the system further includes a pipeline sterilization system located on one side of the filling system. The pipeline sterilization system is used to supply the filling liquid and process gas, as well as to clean and sterilize the pipeline.

[0028] Preferably, the pipeline sterilization system includes a liquid storage tank and an air compressor.

[0029] Compared to the aforementioned background technology, the continuous blow-fill-seal equipment provided by this utility model adopts a linear layout, with the extrusion system, die-closing system, filling system, conveying system, and punching system arranged along the length of the equipment. It is compatible with existing Wilo equipment plants and can replace equipment without modifying the existing plant, thus reducing replacement costs. Moreover, the extrusion screw and extrusion die are arranged vertically, so that the discharge direction of the extrusion die is consistent with the length direction of the continuous blow-fill-seal equipment, reducing space occupation. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0031] Figure 1 This is a front view of the continuous blow-fill-seal device provided in an embodiment of the present invention;

[0032] Figure 2 This is a top view of the continuous blow-fill-seal device provided in an embodiment of the present invention.

[0033] Figures 1 to 2 Chinese figure labels: 1. Extrusion system; 2. Electrical system; 3. Piping sterilization system; 4. Mold closing system; 5. Filling system; 6. Conveying system; 7. Punching system. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0036] This invention provides a continuous blow-fill-seal equipment that can directly replace existing Wilo equipment without requiring modifications to the factory, thus reducing replacement costs.

[0037] Please refer to this as well. Figures 1 to 2 The continuous blow-fill-seal device provided by this utility model includes:

[0038] Extrusion system 1 is used to extrude continuous tube preforms, including an extrusion motor, an extrusion screw and an extrusion die, wherein the extrusion motor is drivenly connected to the extrusion screw and the extrusion screw is connected to the extrusion die;

[0039] Mold clamping system 4 is used to blow mold continuous tube preforms into a preset bottle shape;

[0040] Filling system 5 is used to fill liquid medicine into molded plastic bottles;

[0041] Conveying system 6 is used to convey the molded and filled plastic bottles;

[0042] The punching system 7 is used to separate the molded and filled plastic bottles from the continuous tube preform chain;

[0043] Among them, the extrusion system 1, the mold clamping system 4, the filling system 5, the conveying system 6, and the punching system 7 are distributed in a straight line, the extrusion screw and the extrusion die are set in the vertical direction, and the discharge direction of the extrusion die is consistent with the length direction of the continuous blow-fill-seal equipment.

[0044] The continuous blow-fill-seal equipment adopts a linear layout. The extrusion system 1, die-clamping system 4, filling system 5, conveying system 6, and punching system 7 are set along the length of the equipment, which is compatible with existing Wilo equipment plants. The equipment can be replaced without modifying the existing plant, which can reduce replacement costs. Moreover, the extrusion screw and extrusion die are set in the vertical direction, so that the discharge direction of the extrusion die is consistent with the length direction of the continuous blow-fill-seal equipment, which reduces space occupation.

[0045] In some embodiments, the extrusion system 1 further includes:

[0046] The feeding hopper is used to supply granules to the extrusion screw, and the outlet end of the feeding hopper is connected to the inlet end of the extrusion screw;

[0047] A heating element, located on the extrusion screw, is used to heat and melt the granules inside the extrusion screw. The heating element can be an electric heating element.

[0048] In use, plastic granules are added to the hopper using a vacuum feeder or manually. The granules are continuously supplied to the extrusion screw through the feed hopper. The heating component heats and melts the granules in the extrusion screw, and the extrusion motor drives the extrusion screw to rotate, extruding the melted granules through the extrusion die to form a tube preform of the corresponding wall thickness and shape.

[0049] In some embodiments, the mold clamping system 4 includes:

[0050] An openable mold assembly includes an upper mold, a lower mold, and a vertically arranged mold closing and lifting electric cylinder. The telescopic end of the mold closing and lifting electric cylinder is connected to the upper mold or the lower mold. The mold closing and lifting electric cylinder is used to drive the upper mold or the lower mold to move so that the upper mold and the lower mold can open and close.

[0051] Tube blank clamping assemblies, including pneumatic or electric clamps, are used to clamp continuous tube blank chains during the mold opening stage.

[0052] The electric cylinder for mold closing and lifting moves the upper or lower mold, causing them to close together and form a sealed cavity. Clean compressed air is then injected into the cavity through the air blowing channel built into the upper or lower mold to blow-molde the tube preform. When the upper and lower molds open, the tube preform chain is clamped by the tube preform clamping assembly to fix the tube preform chain, prevent displacement, and assist in demolding the molded plastic bottle. When the upper and lower molds close, the tube preform clamping assembly releases the tube preform chain.

[0053] In some embodiments, the upper mold and / or lower mold are provided with cooling channels. By providing cooling channels, when the upper and lower molds are closed to blow mold the tube preform into a plastic bottle, circulating cooling water can be introduced into the cooling channels, thereby accelerating the bottle shaping, shortening the molding cycle, and improving production efficiency.

[0054] In some embodiments, the mold clamping system 4 further includes a guide rail fixedly arranged in the vertical direction, a slider fixedly connected to the upper mold or the lower mold, the slider having a guide groove, and the slider being slidably connected to the guide rail through the guide groove.

[0055] The electric cylinder for mold closing and lifting drives the upper or lower mold to move. When the upper and lower molds open and close, the slider slides through the guide groove and the guide rail. By setting the guide rail and slider, the movement of the upper or lower mold can be guided, ensuring no offset during the mold opening and closing process, maintaining the positioning accuracy of the tube blank, and ensuring the forming stability of the continuous tube blank during linear movement.

[0056] In some embodiments, the filling system 5 includes a filling lifting electric cylinder and a filling needle assembly. During filling, the filling lifting electric cylinder drives the filling needle assembly to move vertically up and down, and the filling needle assembly is precisely inserted into the molded plastic bottle for filling. The needle tip of the filling needle assembly is equipped with a one-way valve to prevent backflow of the medicine. In addition, the filling system 5 also includes a metering control unit, which includes a high-precision flow meter for real-time monitoring of the filling volume of the medicine. Specifically, during filling, air pressure is used to push the medicine through a sterile tubing into the filling needle assembly.

[0057] The filling lifting electric cylinder drives the filling needle assembly to be inserted vertically into the molding die in the mold closing system 4, so as to realize the simultaneous blowing molding and liquid filling.

[0058] In some embodiments, the punching system 7 includes:

[0059] The upper die and the lower die are provided. The upper die is equipped with a punch with a cutting edge that matches the contour of the plastic bottle. The lower die is equipped with a base with a groove.

[0060] The punching lifting electric cylinder is set vertically, and the telescopic end of the punching lifting electric cylinder is connected to the upper punching die.

[0061] After molding and filling, the plastic bottles are conveyed to the punching system 7 via the conveying system 6. The punching lifting electric cylinder drives the upper punching die to move downwards in the vertical direction. The upper and lower punching dies close, and through the cooperation of the cutting edge and the groove, the finished bottle is precisely separated from the tube preform chain. The conveying system 6 can be a conveyor belt, etc.

[0062] Optionally, the punching system 7 also includes a vertically arranged guide post. The upper punching die is slidably connected to the guide post. When the punching lifting electric cylinder drives the upper punching die to move, the guide post guides the movement of the upper punching die to ensure that the upper punching die moves in the vertical direction and avoids deviation, thereby ensuring punching accuracy and preventing misalignment of the tube blank chain, ensuring the stability of continuous production.

[0063] In some embodiments, the punching system 7 further includes a detection unit for monitoring the position of the finished bottle. By monitoring the position of the finished bottle through the detection unit, the upper and lower punching dies can accurately punch the tube preform chain, avoiding empty cuts or missed cuts. Specifically, the detection unit can employ a photoelectric sensor to detect the position of the finished bottle in real time.

[0064] In some embodiments, the punching system 7 further includes a waste processing unit, which includes a waste traction roller and a collection box.

[0065] The upper and lower punching dies close together to precisely separate the finished bottle from the tube preform chain through the cooperation of the cutting edge and the groove. At the same time, the waste traction roller continuously pulls the waste material after punching and separation to move along the length of the equipment. Finally, the plastic waste after punching is collected in the collection box.

[0066] By setting up a waste processing unit, waste is continuously discharged from the edge, avoiding the accumulation of waste that interrupts the production process and ensuring the stability and continuity of the production process.

[0067] Optionally, the lower die is equipped with a vacuum adsorption hole. During the die-cutting process when the upper and lower dies are closed, the finished bottle is adsorbed and fixed through the vacuum adsorption hole to prevent the bottle from shifting and ensure cutting accuracy.

[0068] In some embodiments, please refer to the following: Figures 1 to 2 The continuous blow-fill-seal equipment provided by this utility model also includes a pipeline sterilization system 3 located on one side of the filling system 5. The pipeline sterilization system 3 is used to supply the filling liquid and process gas, as well as to clean and sterilize the pipeline. Optionally, the pipeline sterilization system 3 includes a liquid storage tank and an air compressor.

[0069] Compressed air is generated by an air compressor. After being stabilized by a triple unit, the compressed air is purified by a sterile filter. The purified compressed air enters the liquid storage tank, and the liquid medicine is pushed through the sterile pipeline into the filling needle assembly for filling using the air source pressure.

[0070] The continuous blow-fill-seal equipment provided by this utility model also includes a control system and an electrical system 2. The control system enables synchronous control of the extrusion system 1, the mold-closing system 4, the filling system 5, the conveying system 6, the punching system 7, and the pipeline sterilization system 3. The electrical system 2 is used to supply power to the equipment.

[0071] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0072] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.

Claims

1. A continuous blow-fill-seal device, characterized in that, include: An extrusion system (1) for extruding continuous tube preforms includes an extrusion motor, an extrusion screw and an extrusion die, wherein the extrusion motor is drivenly connected to the extrusion screw and the extrusion screw is connected to the extrusion die; The mold-closing system (4) is used to blow-mold a continuous tube preform into a preset bottle shape; A filling system (5) is used to fill liquid medicine into molded plastic bottles; Conveying system (6) for conveying the molded and filled plastic bottles; A punching system (7) is used to separate the molded and filled plastic bottles from the continuous tube preform chain; The extrusion system (1), the mold clamping system (4), the filling system (5), the conveying system (6), and the punching system (7) are distributed in a straight line. The extrusion screw and the extrusion die are arranged in a vertical direction. The discharge direction of the extrusion die is consistent with the length direction of the continuous blow-fill-seal device.

2. The continuous blow-fill-seal equipment according to claim 1, characterized in that, The extrusion system (1) further includes: A feeding hopper is used to supply granules to the extrusion screw, and the outlet end of the feeding hopper is connected to the inlet end of the extrusion screw; A heating assembly is provided on the extrusion screw, and the heating assembly is used to heat and melt the granules inside the extrusion screw.

3. The continuous blow-fill-seal equipment according to claim 1, characterized in that, The mold clamping system (4) includes: An openable mold assembly includes an upper mold, a lower mold, and a vertically arranged mold-closing lifting electric cylinder. The telescopic end of the mold-closing lifting electric cylinder is connected to the upper mold or the lower mold. The mold-closing lifting electric cylinder is used to drive the upper mold or the lower mold to move so that the upper mold and the lower mold can open and close. Tube blank clamping assemblies, including pneumatic or electric clamps, are used to clamp continuous tube blank chains during the mold opening stage.

4. The continuous blow-fill-seal equipment according to claim 3, characterized in that, The upper mold and / or the lower mold are provided with cooling water channels.

5. The continuous blow-fill-seal equipment according to claim 3, characterized in that, The mold closing system (4) also includes a guide rail fixedly arranged in the vertical direction. The upper mold or the lower mold is fixedly connected to a slider. The slider is provided with a guide groove and is slidably connected to the guide rail through the guide groove.

6. The continuous blow-fill-seal equipment according to claim 1, characterized in that, The punching system (7) includes: The upper die and the lower die are provided. The upper die is provided with a punch with a cutting edge that matches the contour of the plastic bottle. The lower die is provided with a base with a groove. A punching and lifting electric cylinder is arranged vertically, and the telescopic end of the punching and lifting electric cylinder is connected to the upper punching die.

7. The continuous blow-fill-seal equipment according to claim 6, characterized in that, The punching system (7) also includes a detection unit for monitoring the position of the finished bottle.

8. The continuous blow-fill-seal equipment according to claim 6, characterized in that, The punching system (7) also includes a waste processing unit, which includes a waste traction roller and a collection box.

9. The continuous blow-fill-seal equipment according to claim 1, characterized in that, It also includes a pipeline sterilization system (3) located on one side of the filling system (5), the pipeline sterilization system (3) being used to supply filling liquid and process gas, as well as to clean and sterilize the pipeline.

10. The continuous blow-fill-seal device according to claim 9, characterized in that, The pipeline sterilization system (3) includes a liquid storage tank and an air compressor.

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