CN104961087B - Plastic infusion bottle extrusion-blow molding filling-sealing device, and all-in-one machine provided with plastic infusion bottle extrusion-blow molding filling-sealing device - Google Patents

Abstract

The invention discloses a plastic infusion bottle extrusion, blowing, filling and sealing device and an integrated machine with the device, comprising a plastic infusion bottle extrusion, blowing, filling and sealing device (5), a frame (1), an extruder, and a conveyor belt (6) . Said plastic infusion bottle extruding blow-fill-sealing device (5) comprises extruding device, blowing suction/filling device and mold (14); Said extruding device extrudes tubular parison (19) into opened mold (14) After the injection, the mold (14) closes and cuts off the tubular parison (19), and the extrusion device returns; the blowing/filling device extends into the tubular parison (19) and blows the bottle, and then opens The air suction function sucks away the excess air in the bottle, and the filling function is turned on to inject the liquid medicine and return to its position; finally, the mold (14) is used to complete the sealing. The invention integrates the functions of extrusion, blowing, filling and sealing, so that the mechanical working efficiency is greatly improved, the structure is simpler and more compact, the occupied area is smaller, and the area of the factory building, the area of the clean area and the investment cost are reduced.

Description

A plastic infusion bottle extrusion, blowing, filling and sealing device and an integrated machine with the device

technical field

The invention relates to the fields of pharmaceutical machinery and food processing machinery, in particular to a plastic infusion bottle extrusion blowing filling sealing device and an integrated machine with the device.

Background technique

In order to ensure drug safety, China's new drug GMP standard in 2010 puts forward strict requirements for aseptic production, online quality monitoring, and drug production quality. The blow/fill/seal aseptic filling process is currently recognized by the drug administration departments and pharmaceutical companies in various countries as an aseptic filling process with strong aseptic guarantee capabilities, high production efficiency, low production costs, energy saving and environmental protection, and is also the "drug The aseptic filling process that is mainly introduced in the Good Manufacturing Practice. Because the product has special functions such as "aseptic production and aseptic use", the blow/fill/seal aseptic filling process has become the preferred process for the production of aseptic drugs.

However, in the existing blow-fill-seal technology, the workflow of putting the tube blank extruded by the extruder into the mold first, and then moving the mold (carrying the tube blank) to the blow-fill-seal workstation for blowing and filling is incoherent , during this process, the plastic bottle is most likely to be polluted by particles and the surrounding air, and the fluid-like preform is cooled quickly after being put into the mold. This transfer process undoubtedly affects the pass rate of the preform blown into a bottle. Moreover, the number of production line equipment is large, which increases the area of the workshop, the area of the clean area and the investment cost.

Contents of the invention

In view of the deficiencies of existing equipment, the purpose of the present invention is to provide a device that can reduce the probability of liquid medicine being contaminated, improve the pass rate of bottle blowing, have higher efficiency, a simpler and more compact structure, and a smaller footprint. A device for producing multiple plastic bottles integrating the functions of extrusion, bottle blowing, filling and sealing, and an all-in-one machine with the device.

In order to solve the above technical problems, the technical solution adopted in the present invention is: a plastic infusion bottle extrusion blow-fill-sealing device, comprising an extrusion device, a blow-suction/filling device and a mould; After entering the opened mold, the mold closes and cuts off the tubular parison, and the extrusion device returns; the blowing suction/filling device extends into the tubular parison and performs blowing, and the suction function is turned on after the blowing is completed , suck away the excess air in the bottle, turn on the filling function and return to the position after injecting the liquid medicine; finally complete the sealing through the mold.

Further, the extrusion device includes an extrusion pipe and an extrusion head connected thereto; the extrusion head can be extended into the mold and extruded into the tubular parison to return.

Further, the blowing/filling device includes a blowing/filling pipe and a blowing/filling head connected thereto; the blowing/filling head can be inserted into the tubular parison to complete blowing, suctioning Return to position after gas and filling functions.

Further, the blowing/filling head includes two blowing and filling heads arranged parallel to each other, with a bending part in the middle, which can move along a curve and extend into the tubular parison.

Further, the mold includes a cutting knife, a fixed clamp that can be opened and closed horizontally, a sealing device and a box; the cutter is used to cut the tubular parison; the fixed clamp is used to clamp the tubular parison; the box is completed Seal the bottom of the tubular parison; the sealing device seals the bottle mouth after filling.

A four-in-one machine for extruding, blowing, filling, and sealing plastic infusion bottles, including the above-mentioned extruding, blowing, filling, and sealing device for plastic infusion bottles, and also includes a frame, an extruder, and a conveyor belt;

The extruder is arranged on the frame and includes a drive motor, a hopper and a screw conveying device;

After the material is fed into the hopper, it enters the screw conveying device, and the heater in the screw conveying device heats the material to make it a fluid, and then transports it to the extrusion blowing, filling and sealing device to make a plastic bottle, and after filling and sealing, passes through The conveyor belt is sent to the next link.

The all-in-one machine for producing a plurality of plastic bottle infusion products integrating extrusion, bottle blowing, filling and sealing functions of the present invention, its working process includes the following steps:

① Feed the plastic particles into the extruder, extrude and heat to make it fluid;

②The fluid enters the extrusion tube and becomes a tubular parison under the action of pressure. When the extrusion head is lowered to a suitable length, the mold is half-closed and the cutter cuts the parison, and the extrusion head rises to the initial position;

③ Lower the blowing/filling head, turn on the blowing function of the blowing head, and start blowing. After the bottle blowing is completed, turn on the suction function of the blowing head to suck away the excess air in the bottle;

④Open the filling head and inject the liquid medicine;

⑤The blowing/filling head rises back to the initial position, and the mold is closed and sealed;

⑥ After cooling, the mold is opened, and multiple molded plastic bottles are sent out by the conveyor belt.

This process eliminates the work flow of the existing infusion bottle production line. The tube blank extruded by the extruder is first put into the mold, and then the mold (carrying the tube blank) is moved to the blow-fill-seal workstation. The pipe and the blowing/filling pipe are placed on the same device. After the plastic fluid is pressed into a tubular parison, the blowing/filling head can be lowered immediately after being placed in the mold for blowing and filling, which greatly reduces the exposure of the parison to The time in the air reduces the probability of the liquid medicine being contaminated, and at the same time, the temperature of the plastic fluid is higher when the straw is blown, which improves the pass rate of the bottle blowing.

Wherein the suction head has two functions of air blowing and air suction, which are controlled to be opened and closed by the control device. The curved blowing head and filling head avoid the conflict with the position of the extruded tube and make the drive smoother.

The invention integrates the functions of extruding and blowing, filling and sealing, so that the mechanical working efficiency is greatly improved, the structure is simpler and more compact, the occupied area is smaller, and the area of the factory building, the area of the clean area and the investment cost are reduced.

Description of drawings

Fig. 1 is the structural representation of plastic infusion bottle extrusion blowing filling and sealing device of the present invention;

Fig. 2 is the structure schematic diagram that the mold of the plastic infusion bottle extrusion blowing filling sealing device of the present invention is in an open state;

Fig. 3 is the schematic structural view of the plastic infusion bottle extrusion blowing filling and sealing device mold of the present invention in a semi-closed state;

Fig. 4 is the schematic structural view of the plastic infusion bottle extrusion blowing filling and sealing device mold of the present invention in a closed state;

Fig. 5 is a schematic structural view of a four-in-one extrusion, blowing, filling and sealing machine for plastic infusion bottles according to the present invention.

In the attached picture:

1. Frame 2, motor 3, hopper 4, screw conveying device 5, extrusion blowing filling device 6, conveyor belt 7, bracket 8, extrusion tube 9, blowing/filling tube 10, extrusion head 11, blowing and suctioning / Filling head 12, blowing and sucking head 13, filling head 14, mold 15, cutter 16, fixing pliers 17, sealing device 18, mold box 19, tubular parison 20, molded plastic infusion bottle.

detailed description

Embodiments of the present invention will be further described below with reference to the accompanying drawings, but the present invention can be implemented by various solutions defined and covered by the claims.

The extrusion blow-fill-seal device 5 shown in Figures 1-4 is set on the frame 1 and connected with the extruder, including the extrusion pipe 8, the blow-suction/fill pipe 9, the extrusion head 10, the blow-suction / Filling head 11, mold 14.

The extruded tube 8 is a metal cylindrical tube, which receives the fluid material from the extruder and makes the material form a tubular parison 19 in the tube. The extrusion head 10 is connected to the extrusion pipe 8 and is installed directly above the mold 14. The extrusion head 10 is provided with a control device to control the movement direction, speed and the amount of extruded raw materials of the extrusion head 10. The extrusion head 10 is downward A cut-to-length tubular parison 19 is extruded to the die 14 .

The blowing/filling pipe 9 is a hose, one side is connected to the sterile air storage and the liquid medicine storage, and the other side is connected to the blowing/filling head 11. The initial position of the blowing/filling head 11 is to the right above the mold 14, including two Parallel curved metal pipes - blowing head 12 and filling head 13, blowing/filling head 11 is also equipped with a control device to control the amount of air blown and inhaled by the blowing/filling head 11, the amount of medicine injected Fluid volume, direction of movement, sequence, speed, etc. The blowing/filling head 11 lands on the center of the cut-off parison top after descending in a curved motion.

Described mold 14 comprises 10 identical sub-moulds, and each sub-mould comprises cutting knife 15, fixed pincers 16, sealing device 17 and mold box body 18 four parts from top to bottom, all is left-right symmetrical structure. The mold 14 is also provided with a control device to control the order and speed of the horizontal movement of the cutter 15, the fixed pliers 16, the sealing device 17 and the mold box 18, so that the mold 14 can switch between open, semi-closed and closed states.

As shown in Figure 5, the integrated machine for producing multiple plastic bottle infusion products integrating extrusion, blowing, filling and sealing functions includes a frame 1, an extruder, an extrusion blowing filling and sealing device 5, and a conveyor belt 6 four parts. The extruder is set on the frame 1 and consists of three parts: the driving device motor 2, the hopper 3 and the screw conveying device 4. The vacuum plastic system sends the material into the hopper 3, then enters the screw conveying device 4, and passes through the screw conveying device 4. The heater in the material heats the material to make it into a fluid, and then transports it to the extrusion blowing filling and sealing device 5.

The detailed workflow of this embodiment is as follows:

Referring to Figure 5, the vacuum feeding system sends plastic particles to the hopper 3 of the extruder, and the motor 2 drives the screw conveying device 4 to heat and extrude the material, and the material forms a fluid, which is then transported to the extrusion blowing filling and sealing device 5 of extruded tube 8 .

As shown in FIG. 2 , the cylindrical extruded tube 8 receives the fluid material heated by the extruder, and forms a tubular parison 19 inside the tube. The control device of the extrusion head 10 quantitatively extrudes the parison downwards to obtain a tubular parison 19 of suitable length into the mold 14 in the open state.

As shown in Figure 3, the control device of the mold 14 drives the fixed clamp 16, the sealing device 17, and the box body 18 of the mold to move horizontally to seal the bottom of the parison to a semi-closed state, and the fixed clamp 16 clamps the top of the tubular parison 19 The position of the parison is fixed, the mold control device drives the cutter 15 to cut off the tubular parison 19, and then the cutter 15 and the extrusion head 10 return to their original positions.

The blowing/filling pipe 9 connects the sterile air storage and the liquid medicine storage, and sends the received sterile air and liquid medicine to the blowing/filling head 11 . After the extrusion head 10 returns to its original position, the control device of the blowing/filling head 11 drives the blowing/filling head 11 to make a curved movement, so that the descending blowing/filling head 11 just falls on the top of the cut parison .

As shown in Figure 4, the control device of the blowing/filling head 11 turns on the blowing function of the blowing head 12, blows air on the parison to make the parison expand in the mold box 18 and cling to the cavity wall of the mold 14, To form a plastic bottle, after the bottle blowing is completed, turn on the suction function of the blowing head 12 to inhale, extract the excess air in the bottle, and then the control device of the blowing/filling head 11 opens the filling head 13, and fills the plastic bottle with quantitative After the liquid medicine is filled, the suction/filling head 11 returns to its original position.

At this time, the plastic between the sealing device 17 and the clamp 16 is still in a semi-melted state, and the mold 14 control device drives the sealing device 17 to move horizontally to seal the plastic bottle and enter the closed state. The cooling device in the inner cavity of the mold 14 cools the infusion bottle that has been extruded, blown, filled and sealed, and the mold 14 is opened, and 10 molded plastic infusion bottles 20 are sent to the next link by the conveyor belt 6 at the same time.

This device combines the functions of extrusion and blowing, filling and sealing, and removes the existing infusion bottle production line. The tubular parison 19 extruded by the extruder is first put into the mold 14, and then the mold 14 (carrying the tube blank) is moved to the blowing machine. - Filling-seal workstation Blowing and filling this workflow, the extrusion tube 8 and the blowing/filling tube 9 are directly placed on the same device, and after the plastic fluid is pressed into a tubular parison 19, it can be lowered immediately after being placed in the mold 14 The blowing/filling head 11 performs blowing and filling, which greatly reduces the time that the parison is exposed to the air and reduces the probability of contamination of the liquid medicine. At the same time, the qualified rate of bottle blowing has been greatly improved, and the mechanical work efficiency has been greatly improved. The structure is simpler and more compact, and the floor space is smaller, which reduces the area of the factory building, the area of the clean area and the investment cost.

The blowing/filling head 11 includes two parallel curved pipes—a blowing head 12 and a filling head 13, wherein the blowing head 12 has two functions of blowing air and air suction, and is turned on and off by a control device. The curved blowing pipe 12 and filling pipe 13 avoid conflicts with the position of the extruded pipe 8 and make the driving smoother.

The above functions are only used to illustrate the present invention, and the specific realization of each function can be equivalently transformed and improved on the basis of the technical solution of the present invention, and should not be excluded from the protection scope of the present invention.

Claims (4)

1. a kind of plastic infusion bottle extrusion blow encapsulating device, it is characterised in that including extrusion moulding apparatus, pressure-vaccum/filling apparatus and mould Tool (14)；The extrusion moulding apparatus are placed on same device with pressure-vaccum/filling apparatus；The extrusion moulding apparatus are by tubular parison (19) After clamp-oning in the mould (14) of opening, mould (14) closes tubular parison described in together-cutting (19), extrusion moulding apparatus return；It is described to blow During suction/filling apparatus stretch into tubular parison (19) and bottle blowing is carried out, after the completion of bottle blowing, open air suction function, it is unnecessary in bottle to siphon away Air, opens return after filling function injection liquid；Sealing is completed finally by mould (14)；

Pressure-vaccum/the filling apparatus include pressure-vaccum/filling tube (9) and the pressure-vaccum/filling head (11) being attached thereto；It is described to blow Suction/filling head (11) completes return after bottle blowing, air-breathing and filling function in can stretching into tubular parison (19)；

Described pressure-vaccum/filling head (11) include two pressure-vaccum heads (12) arranged in parallel and filling head (13), and centre is provided with Bend, can riding stretch in tubular parison (19).

2. a kind of plastic infusion bottle extrusion blow encapsulating device according to claim 1, it is characterised in that the extrusion moulding apparatus bag Include extruded pipe (8) and the extrusion molding head (10) being attached thereto；Extrusion molding head (10) clamp-on tubular-type in can stretching into mould (14) Base (19) return afterwards.

3. a kind of plastic infusion bottle extrusion blow encapsulating device according to claim 1, it is characterised in that described mould (14) wrap Cutting knife (15) is included, and can horizontal opening and the grips pincers (16) for closing, closing device (17) and casing (18)；The cutting knife is used In cut-out tubular parison (19)；Grips pincers (16) are used for clamping tubular parison (19)；Casing (18) is completed to tubular parison (19) The sealing of bottom；Closing device (17) is sealed to completing filling bottleneck.

4. a kind of plastic infusion bottle extrusion blow embedding four-in-one all-in-one, it is characterised in that including any one of claim 1-3 institute Plastic infusion bottle extrusion blow encapsulating device (5) stated, also including frame (1), extruding machine and conveyer belt (6)；

The extruding machine is arranged in frame (1), including driving device motor (2), hopper (3) and helix transporting device (4)；

After material sends into hopper (3), and then helix transporting device (4) is entered, and by the heater pair in helix transporting device (4) Material is heated, and makes fluid, is delivered to then extrusion blow encapsulating device (5) and is made plastic bottle, and leads to after completing filling and sealing Cross conveyer belt (6) and send into next link.