An eye drop filling rotary capping machine

Abstract

The application discloses a rotary filling and capping machine for eye drop bottles, which comprises a bottle feeding conveyor belt for feeding the bottle bodies at equal intervals and at a constant speed, a bottle moving rotary disc component for continuously rotating and feeding the bottle bodies, a filling area for filling the bottle bodies entering corresponding positions, an inner cap pressing area for grabbing and pressing the inner caps into the bottle mouths, a capping area for grabbing and capping the outer caps, and a bottle discharging area for discharging the bottle bodies filled, the inner caps pressed and the outer caps capped. The machine is composed of four main parts, i.e. a bottle arranging part, a conveying part, a sterile purifying gas washing part and a filling, capping and rotating part, and is used to complete the bottle arranging, bottle conveying, gas washing, metering and packaging, inner cap arranging, capping and rotating and other processes of the eye drop bottles. The whole production process is completed under the protection of a hundred-level laminar flow and sterile isolation operation, each area is isolated and protected, and the sterile production of the eye drop products is ensured. The whole structure is compact, reliable, stable and easy to maintain.

Description

Technical Field

[0001] This invention relates to the field of multifunctional capping machine technology, and in particular to a rotary capping machine for filling and sealing eye drops. Background Technology

[0002] Eye drops are sterile ophthalmic preparations that act directly on the ocular mucosa. Therefore, they require stringent requirements for aseptic control, accurate filling and metering, and reliable sealing during production. The production process generally includes bottle handling, liquid filling, inner stopper pressing, and outer cap tightening. Early traditional eye drop production often used linear, separate equipment where filling, stoppering, and capping were independent processes. Bottles were transferred between different machines, resulting in long transfer paths and large exposed areas, making it highly susceptible to particulate and microbial contamination and difficult to consistently meet the new GMP aseptic production standards. Furthermore, linear machines have limited operating speed, low unit capacity, large footprint, and cumbersome bottle type changeover adjustments.

[0003] The existing linear equipment has a long workstation layout, the bottle conveyor chain moves back and forth, the bottle body shakes a lot, and the production line speed limit is low. Summary of the Invention

[0004] To address the aforementioned technical problems, a rotary eye drop filling and capping machine is provided.

[0005] To achieve the above objectives, in a preferred embodiment of the present invention, the invention is configured to include: a bottle infeed conveyor belt for conveying bottles at equal intervals and at a uniform speed; a bottle transfer turntable for continuously rotating and conveying the bottles; a filling area for filling the bottles that have entered the corresponding positions; an inner stopper pressing area for gripping the inner stopper and pressing it into the bottle mouth; a capping area for gripping the outer cap and capping it; and a bottle outlet area for discharging the bottles that have been filled, have had the inner stopper pressed in, and have had the outer cap tightened.

[0006] In a preferred embodiment of the present invention, the bottle feeding conveyor belt includes an auger, which is fixed by a fixing frame on the side of the conveyor belt and is located at the tail of the conveyor belt. The tail of the auger cooperates with a turntable, and a bottle blowing frame is provided directly above the turntable located at the tail of the auger. An air blowing head is provided inside the bottle blowing frame, and the air blowing head is opposite to the bottle mouth on the turntable.

[0007] In a preferred embodiment of the present invention, the bottle transfer turntable component includes a bottle transfer turntable, the bottle transfer turntable is provided in several groups and cooperates with each other, the outer ring of the bottle transfer turntable is provided with a corresponding turntable bottle blocking ring, and the bottom of the bottle transfer turntable is fixed with a corresponding bottle support guide rail.

[0008] In a preferred embodiment of the present invention, the filling area includes a filling rack, a filling pump is provided inside the filling rack, the filling pump is connected to the filling head through a liquid delivery pipe, and a corresponding bottle transfer turntable is provided directly below the filling head.

[0009] In a preferred embodiment of the present invention, a lever is provided on both sides of the bottle transfer turntable corresponding to the filling head, a corresponding bottle transfer turntable is provided at the direction of the lever's movement, and a weighing module is provided below each corresponding bottle transfer turntable.

[0010] In a preferred embodiment, the present invention may be further configured such that the inner plug pressing area includes an inner plug hopper, an inclined conveying guide rail is provided inside the inner plug hopper, a vibration module is provided below the conveying guide rail and is adjusted by a lifting plate at the bottom of the vibration module, the lifting plate is controlled by an adjusting frame, the end of the conveying guide rail cooperates with the corresponding bottle transfer turntable for transfer, a stopper suction frame is provided above the adjacent bottle transfer turntable, a negative pressure port is provided inside the stopper suction frame, and the negative pressure port is connected to the stopper suction head through a gas supply pipe.

[0011] In a preferred embodiment of the invention, a nitrogen filling rack is further configured such that a bottle transfer turntable is mounted above the filling area and the inner stopper pressing area.

[0012] In a preferred embodiment, the present invention may be further configured such that the capping area includes a capping frame, a capping head is provided on the lower left side of the capping frame, a tensioning belt is provided around the bottle transfer turntable corresponding to the capping head, and tensioning wheels two and three are respectively provided on both sides of the bottle transfer turntable. The tensioning belt adjusts the tightness with the bottle transfer turntable by extending and retracting the adjusting cylinder. A tensioning wheel one is provided between the adjusting cylinder and tensioning wheel two. A capping head is provided on the lower right side of the capping frame. The turntable corresponding to the capping head is higher than other bottle transfer turntables, and a corresponding bottle transfer turntable is provided below it, forming a double-layer turntable structure. The turntable corresponding to the capping head conveys the outer cap through the outer cap hopper.

[0013] In a preferred embodiment of the present invention, the bottle dispensing area includes a qualified bottle transfer turntable and an unqualified bottle transfer turntable, wherein a suction nozzle is provided in the bottle-holding opening of both the qualified and unqualified bottle transfer turntables, and a rejection box is provided in the conveying direction of the unqualified bottle transfer turntable.

[0014] Beneficial effects: The present invention provides an eye drop filling rotary stopper and capping machine, which consists of four main parts: bottle sorting, conveying, aseptic purification gas washing, filling and capping. It is used to complete the processes of bottle sorting, bottle conveying, gas washing, metering and sealing, inner stoppering, capping and capping of eye drop bottles. The entire production process is completed under Class 100 laminar flow protection and aseptic isolation operation, and each area is isolated and protected to ensure the aseptic production of eye drop products. The whole structure is compact, reliable and stable, and easy to maintain. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0016] Figure 1This is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the bottle inlet conveyor belt of the present invention.

[0018] Figure 3 This is a schematic diagram of the bottle transfer turntable component of the present invention.

[0019] Figure 4 This is a schematic diagram of the bottle-holding guide rail of the present invention.

[0020] Figure 5 This is a schematic diagram of the conveyor rail of the present invention.

[0021] Figure 6 This is a schematic diagram of the suction plug holder of the present invention.

[0022] Figure 7 This is a schematic diagram of the tension band of the present invention.

[0023] Figure 8 This is a schematic diagram of the bottle dispensing area of ​​the present invention.

[0024] In the diagram, 1 is the filling rack; 2 is the inner stopper hopper; 3 is the outer cap hopper; 4 is the capping rack; 5 is the nitrogen filling rack; 6 is the auger; 7 is the bottle blowing rack; 8 is the bottle transfer turntable; 9 is the turntable bottle blocking ring; 10 is the lever; 11 is the weighing module; 12 is the bottle support guide rail; 13 is the conveying guide rail; 14 is the vibration module; 15 is the lifting plate; 16 is the adjusting rack; 17 is the stopper suction rack; 18 is the stopper suction head; 19 is the adjusting cylinder; 20 is the tensioning belt; 21 is the tensioning wheel one; 22 is the tensioning wheel two; 23 is the tensioning wheel three; 24 is the rejection box; and 25 is the suction nozzle. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0026] like Figure 1-8 As shown, an eye drop filling and capping rotary stopper machine includes: a bottle inlet conveyor belt for conveying bottles at equal distances and uniform speeds; a bottle transfer turntable for continuously rotating and conveying the bottles; a filling zone for filling bottles that have entered the corresponding positions; an inner stopper pressing zone for gripping the inner stopper and pressing it into the bottle mouth; a capping zone for gripping the outer cap and capping it; and a bottle outlet zone for delivering the filled, inner stopper pressed, and outer cap tightened bottles.

[0027] The bottle feeding conveyor belt includes an auger 6, which is fixed by a fixing frame on the side of the conveyor belt and is set at the tail of the conveyor belt. The tail of the auger cooperates with a turntable. A bottle blowing frame 7 is set directly above the turntable at the tail of the auger. An air blowing head is set inside the bottle blowing frame 7, and the air blowing head is opposite to the bottle mouth on the turntable.

[0028] The bottle feeder uses a variable pitch auger, and the main drive source is servo-driven to ensure stability, prevent bottle jamming, and facilitate position adjustment.

[0029] The bottle transfer turntable component includes a bottle transfer turntable 8, which is provided in several sets and cooperates with each other. The outer ring of the bottle transfer turntable 8 is provided with a corresponding turntable bottle blocking ring 9, and the bottom of the bottle transfer turntable 8 is fixed with a corresponding bottle support guide rail 12.

[0030] The bottle guide rail 12 ensures that the bottle body inside each bottle transfer turntable is stable when transferring the bottle.

[0031] The filling area includes a filling rack 1, which is equipped with a filling pump. The filling pump is connected to the filling head through a liquid delivery pipe, and a corresponding bottle transfer turntable is located directly below the filling head.

[0032] The filling pumps are ceramic pumps, and each pump is driven by an independent servo motor. The filling volume can be adjusted via a human-machine interface.

[0033] A lever 10 is provided on both sides of the bottle transfer turntable corresponding to the filling head. A corresponding bottle transfer turntable is provided at the direction of the lever 10, and a weighing module 11 is provided below each bottle transfer turntable.

[0034] By moving the bottle body using lever 10, sampling and weighing tests are performed before and after filling to prevent errors.

[0035] The inner plug pressing area includes an inner plug hopper 2, in which an inclined conveying guide rail 13 is provided. A vibration module 14 is provided below the conveying guide rail 13 and is adjusted by a lifting plate 15 at the bottom of the vibration module 14. The lifting plate 15 is controlled by an adjusting frame 16. The end of the conveying guide rail 13 cooperates with the corresponding bottle transfer turntable for transfer. A stopper suction frame 17 is provided above the adjacent bottle transfer turntable. A negative pressure port is provided in the stopper suction frame 17 and is connected to the stopper suction head 18 through a gas supply pipe.

[0036] The inner plug is conveyed by the conveying guide rail 13, and then sucked up by the suction head. Finally, the plug is pressed into the bottle mouth by air pressure.

[0037] A nitrogen filling rack 5 is installed above the bottle transfer turntable between the filling area and the inner stopper pressing area to protect the medicine with inert gas.

[0038] The capping area includes a capping frame 4, with a capping head located on the lower left side of the capping frame 4. A tensioning belt 20 is located around the bottle transfer turntable corresponding to the capping head. Tensioning rollers 22 and 3 are respectively located on both sides of the bottle transfer turntable. The tensioning belt 20 adjusts its grip on the bottle transfer turntable by extending and retracting the adjusting cylinder 19. A tensioning roller 21 is located between the adjusting cylinder 19 and the tensioning roller 22. A capping head is located on the lower right side of the capping frame 4. The turntable corresponding to the capping head is higher than other bottle transfer turntables, and a corresponding bottle transfer turntable is located below it, forming a double-layer turntable structure. The turntable corresponding to the capping head conveys the outer cap through the outer cap hopper 3.

[0039] The bottle dispensing area includes a qualified bottle transfer turntable and an unqualified bottle transfer turntable. Both the qualified and unqualified bottle transfer turntables are equipped with a suction nozzle 25 inside the bottle-holding opening. The unqualified bottle transfer turntable is equipped with a rejection box 24 in the transfer direction.

[0040] It should be noted that in this article, relational terms such as first and second are used only to distinguish one entity from another, and do not necessarily require or imply any such actual relationship or order between these entities.

[0041] The examples above are merely illustrative of the present invention and do not constitute a limitation on the scope of protection of the present invention. All designs that are the same as or similar to the present invention are within the scope of protection of the present invention.

Claims

1. A rotary stopper and capping machine for filling eye drops, characterized in that, include: Bottle inlet conveyor belt is used to transport bottles at equal intervals and uniform speed; The bottle transfer turntable component continuously rotates and transports the bottles. The filling area is where bottles that have entered the corresponding positions are filled; Inner stopper insertion area: Grab the inner stopper and press it into the bottle neck; In the capping area, grasp the outer cap and screw it on; The bottle dispensing area delivers bottles that have been filled, with the inner stopper pressed in and the outer cap screwed on.

2. The rotary eye drop filling and capping machine according to claim 1, characterized in that, The bottle feeding conveyor belt includes an auger (6), which is fixed by a fixing frame on the side of the conveyor belt and is set at the tail of the conveyor belt. The tail of the auger is matched with a turntable. A bottle blowing frame (7) is set directly above the turntable at the tail of the auger. An air blowing head is set inside the bottle blowing frame (7), and the air blowing head is opposite to the bottle mouth on the turntable.

3. The rotary eye drop filling and capping machine according to claim 2, characterized in that, The bottle transfer turntable component includes a bottle transfer turntable (8), which is provided with several sets that cooperate with each other. The outer ring of the bottle transfer turntable (8) is provided with a corresponding turntable bottle blocking ring (9), and the bottom of the bottle transfer turntable (8) is fixed with a corresponding bottle support guide rail (12).

4. The rotary eye drop filling and capping machine according to claim 3, characterized in that, The filling area includes a filling rack (1), a filling pump is installed inside the filling rack (1), the filling pump is connected to the filling head through a liquid delivery pipe, and a corresponding bottle transfer turntable is installed directly below the filling head.

5. The rotary eye drop filling and capping machine according to claim 4, characterized in that, A lever (10) is provided on both sides of the bottle transfer turntable corresponding to the filling head. A corresponding bottle transfer turntable is provided at the direction of the lever (10), and a weighing module (11) is provided below the corresponding bottle transfer turntable.

6. The rotary eye drop filling and capping machine according to claim 5, characterized in that, The inner plug pressing area includes an inner plug hopper (2), an inclined conveying guide rail (13) is provided inside the inner plug hopper (2), a vibration module (14) is provided below the conveying guide rail (13), and is adjusted by a lifting plate (15) at the bottom of the vibration module (14). The lifting plate (15) is controlled by an adjusting frame (16). The end of the conveying guide rail (13) is connected to the corresponding bottle transfer turntable for transfer. A stopper suction frame (17) is provided above the adjacent bottle transfer turntable. A negative pressure port is provided inside the stopper suction frame (17), and the negative pressure port is connected to the stopper suction head (18) through a gas supply pipe.

7. The rotary eye drop filling and capping machine according to claim 6, characterized in that, A nitrogen filling rack (5) is installed above the bottle transfer turntable between the filling area and the inner stopper pressing area.

8. The rotary eye drop filling and capping machine according to claim 7, characterized in that, The capping area includes a capping frame (4), a capping head is provided on the lower left side of the capping frame (4), a tensioning belt (20) is provided on the periphery of the bottle transfer turntable corresponding to the capping head, and tensioning wheels two (22) and three (23) are provided on both sides of the bottle transfer turntable respectively. The tensioning belt (20) adjusts the tightness of its grip on the bottle transfer turntable by adjusting the extension and retraction of the adjusting cylinder (19). Tensioning wheel one (21) is provided between the adjusting cylinder (19) and tensioning wheel two (22). A capping head is provided on the lower right side of the capping frame (4). The turntable corresponding to the capping head is higher than other bottle transfer turntables, and a corresponding bottle transfer turntable is provided below it, forming a double-layer turntable structure. The turntable corresponding to the capping head is used for outer cap conveying through the outer cap hopper (3).

9. The rotary eye drop filling and capping machine according to claim 8, characterized in that, The bottle outlet area includes a qualified bottle transfer turntable and an unqualified bottle transfer turntable. Both the qualified and unqualified bottle transfer turntables are equipped with a suction nozzle (25) inside the bottle-holding opening. The unqualified bottle transfer turntable is equipped with a rejection box (24) in the transfer direction.

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