Presterilized container packaging machine

Abstract

The utility model provides a kind of front sterilization's container packaging machine, including frame, input device, sterilization device and packaging device, input device is connected with sterilization device, sterilization device is set on frame, packaging device is set in frame, and packaging device is below sterilization device;Sterilization device includes sterilization support and sterilization mechanism, motor is installed on sterilization support, and sterilization mechanism is set in sterilization support and is connected with motor.Disposable container is entered into sterilization device by input device and is sterilized, then is packaged by packaging device again, and disposable container that is packaged falls on conveying device and is conveyed out.The utility model is provided with sterilization link in packaging process, and the input, sterilization and packaging of disposable container each link arrangement is reasonable, compact structure, system operation is simple and smooth, and disposable container can be continuously input, sterilized and packaged integrated completion by rotation, and production efficiency is greatly improved.

Description

Technical Field

[0001] This utility model belongs to the field of container packaging technology, specifically relating to sterilization packaging equipment for disposable containers. Background Technology

[0002] Disposable paper cups, plastic cups, fast food containers, yogurt cups, ice cream cups, sauce cups, self-heating food containers, fresh food packaging boxes, takeaway soup / porridge buckets, baking / dessert containers, and other similar containers (collectively referred to as "disposable containers") generally do not undergo sterilization during the packaging process. This can easily lead to bacterial residue, shortened shelf life, and health hazards. Disposable containers come into direct contact with drinking water, beverages, and food; if microbial contamination exists, it can directly endanger the health of users.

[0003] Oversights in multiple stages of the disposable container production environment can become entry points for microbial contamination. These can be broadly categorized into five main factors: air, equipment, personnel, raw materials, and cleaning and disinfection.

[0004] 1. Air environment factors Airborne microorganisms are the most easily overlooked source of pollution, and they will settle directly onto the surface of paper cups.

[0005] Air cleanliness is not up to standard: The production workshop has not carried out air purification treatment, or the clean area level is not high enough (such as not reaching Class 10,000 or Class 100,000), and bacteria and mold spores in the air will spread with the airflow.

[0006] Ventilation system problems: If the vents are not equipped with filters, the filters are not replaced for a long time, or the airflow direction is unreasonable (such as flowing from the contaminated area to the clean area), microorganisms will be carried into the core production area.

[0007] Excessive dust in the workshop: Dust is a "carrier" for microorganisms. If the paper dust generated during paper cutting and paper cup forming is not cleaned up in time, it will attach to microorganisms and settle on the products.

[0008] 2. Production equipment factors The equipment is a critical link that comes into direct contact with paper cups, and inadequate surface cleaning can lead to continuous contamination.

[0009] Residual dirt on equipment surfaces: If paper fibers, oil stains, or debris from previous batches remain in the gaps of equipment such as conveyor belts, molds, and packaging machines, bacteria will grow and transfer to newly produced paper cups.

[0010] Untimely equipment maintenance: After prolonged operation, the seals may age, parts may rust, or all contact points (such as corners and interfaces) may not be covered during cleaning and disinfection, creating breeding grounds for microorganisms.

[0011] Cooling water / lubricant contamination: Some equipment requires the use of cooling water or lubricant. If these media themselves have excessive microorganisms, or if a leak occurs and comes into contact with the paper cup, it will directly cause contamination.

[0012] 3. Operator factors People are dynamic sources of pollution in the production environment, and their hygiene habits directly affect product safety.

[0013] Inadequate hand cleaning: If operators do not wash and disinfect their hands as required, or if their gloves are damaged or not replaced in time, bacteria on their hands (such as E. coli and Staphylococcus aureus) can be transferred to the paper cups through contact.

[0014] Inadequate personal protective equipment: Failure to wear clean work clothes, caps, and masks allows microorganisms from hair, dander, and clothing to detach and contaminate products; eating and smoking in the workshop can also introduce exogenous microorganisms.

[0015] Improper personnel movement control: Non-production personnel may enter the clean area at will, or production personnel may enter the clean area directly from contaminated areas (such as raw material warehouses or restrooms), which may bring external microorganisms into the core production process.

[0016] 4. Raw material and auxiliary material factors If the raw materials themselves carry bacteria, it is difficult to completely remove them during subsequent processing, which will become a source of pollution.

[0017] Excessive microorganisms in the base paper / PE film: If the base paper of the paper cup (such as food-grade white cardboard) or the PE film on the inner wall gets damp during production, storage, and transportation (such as excessive humidity in the warehouse), mold will grow; damaged packaging can also lead to microbial invasion.

[0018] Adhesive / Ink Contamination: Some paper cups require adhesives for molding or inks for external printing. If these auxiliary materials themselves fail to meet microbial standards or are contaminated during use, it will indirectly affect the hygiene of the paper cups.

[0019] 5. Cleaning and disinfection factors Improper cleaning and disinfection procedures can lead to the continuous accumulation of microorganisms in the production environment.

[0020] Incomplete cleaning: If only the surface of the workshop floor, walls, countertops, and auxiliary tools such as turnover baskets and pallets are cleaned without thoroughly cleaning the gaps and corners, microorganisms will remain and gradually multiply.

[0021] Improper disinfection frequency / method: Disinfection intervals that are too long (such as disinfecting only once a day, which cannot control the rate of microbial reproduction), or the use of insufficient concentration or unsuitable type of disinfectant (such as being ineffective against mold) will result in poor disinfection effects.

[0022] Secondary contamination after disinfection: If disinfected equipment and tools are not dried in time, or if they come into contact with unsterilized cloths or containers, they will be contaminated again by microorganisms.

[0023] During the molding, stacking, and packaging processes, disposable containers easily come into contact with equipment surfaces, operators' hands, and the air, potentially harboring bacteria, mold, and other microorganisms. These microorganisms can multiply during storage, especially in humid environments where the risk of mold growth is extremely high. By omitting the sterilization process, bacteria persist throughout the entire process from production to storage, ultimately reaching the end user. The specific hazards can be summarized in three points: 1. Storage Stage: Accelerated Deterioration and Significantly Shortened Shelf Life. Bacteria carried by containers during packaging (such as E. coli and mold spores from the production environment) will multiply rapidly under suitable temperature and humidity conditions (such as a humid warehouse and a temperature above 25°C). For example, disposable containers may develop mold, plastic cups may develop odors, and the inner walls of fast food boxes may become sticky. The original shelf life of 6 months may be shortened to 2-3 months, directly causing inventory losses.

[0024] 2. Usage Stage: Directly Threatens User Health. These multiplied bacteria can enter the human body through beverages and food that come into contact with the container. If the bacterial count exceeds the standard (e.g., E. coli exceeds the national standard), it may cause gastrointestinal discomfort, such as diarrhea and abdominal pain; if mold grows, it may also produce mycotoxins that are harmful to the human body, which are difficult to completely remove even with heating.

[0025] 3. Brand and compliance risks: Enterprises face double losses. Products without sterilization processes are considered substandard. If discovered by market regulators during random inspections, enterprises will face fines, production suspension, and rectification. At the same time, if consumers experience health problems due to product use, it will lead to complaints and negative reviews, seriously damaging brand reputation and even causing market loss.

[0026] In addition, the production efficiency of existing packaging equipment needs to be improved.

[0027] There is an urgent need in the market for a device that can efficiently sterilize during the packaging process. Summary of the Invention

[0028] To address the shortcomings of existing disposable container packaging technology, this invention provides a container packaging machine with pre-sterilization function and high production efficiency.

[0029] The pre-sterilization container packaging machine of this utility model adopts the following technical solution.

[0030] The packaging machine includes a frame, an input device, a sterilization device, and a packaging device. The input device is connected to the sterilization device, which is mounted on the frame. The packaging device is located within the frame and below the sterilization device. The sterilization device includes a sterilization support and a sterilization mechanism. A servo motor is mounted on an upper mounting plate, which is mounted on the sterilization support. The sterilization mechanism is located within the sterilization support and connected to the motor.

[0031] A conveying device is installed in the frame, located below the packaging device. The conveying device employs existing technology, such as a belt conveyor or a roller conveyor.

[0032] The packaging device adopts the structure of an existing packaging bag heat sealing machine, which is existing technology.

[0033] The sterilization mechanism includes a rotating shaft, an upper sealing plate, a lower sealing plate, an upper turntable, a lower turntable, a sterilization medium inlet seat, and a sterilization cylinder. The rotating shaft is connected to the motor. The upper sealing plate, upper turntable, lower turntable, and lower sealing plate are sequentially mounted on the rotating shaft from top to bottom. Both the upper and lower sealing plates are connected to the sterilization support. A sterilization cylinder is distributed between the upper and lower turntables, with its two ends connected to the upper and lower turntables respectively. The sterilization medium inlet seat is located on the upper sealing plate. The sterilization cylinder rotates synchronously with the upper and lower turntables.

[0034] The upper sealing plate is provided with a container inlet for docking with the input device, a sterilization medium inlet, mounting holes corresponding to the sterilization medium inlet seat, and adjustment holes for adjusting the gap between the upper turntable and the upper sealing plate. The lower sealing plate is provided with a container outlet for docking with the sealing device. The container outlet and container inlet are staggered (the installation positions of the container inlet and sterilization medium inlet seat on the upper sealing plate are staggered with the installation positions of the container outlet on the lower sealing plate, and are not on the same axis). The purpose is to prevent the upper input port and lower discharge port of the same sterilization cylinder from opening simultaneously, allowing sufficient sterilization time. The number of container inlets and the number of container outlets are the same as the number of input devices.

[0035] Matching annular grooves are provided between the upper turntable and the upper sealing plate, and between the lower turntable and the lower sealing plate. Ball bearings are placed in these annular grooves, allowing the upper turntable and the upper sealing plate, as well as the lower turntable and the lower sealing plate, to rotate relative to each other. Annular grooves accommodating the ball bearings are provided on the opposing surfaces of the upper sealing plate and the upper turntable, and on the opposing surfaces of the lower sealing plate and the lower turntable. The annular grooves on the opposing surfaces of the upper sealing plate and the upper turntable form closed annular tracks, and the annular grooves on the opposing surfaces of the lower sealing plate and the lower turntable form closed annular tracks. The ball bearings rotate within these annular tracks, allowing the upper and lower turntables to rotate flexibly.

[0036] The sterilization cylinders are arranged in a circle around the rotating shaft. The total number and distribution of the container inlets and sterilization medium inlet seats on the upper sealing plate are consistent with the number and distribution of the sterilization cylinders. The container inlets, container outlets, sterilization medium inlets, and the center of the sterilization cylinders are all distributed on concentric circles of equal diameter.

[0037] The sterilization medium inlet seat is provided with a sterilization medium inlet and a sterilization medium outlet. The sterilization medium inlet is connected to an external sterilization medium delivery pipe, and the sterilization medium outlet is connected to the outer cylinder of the sterilization cylinder.

[0038] The sterilization cylinder includes an outer cylinder and an inner cylinder, with the inner cylinder disposed inside the outer cylinder and having a slot on the inner cylinder (to allow the sterilization medium to flow between the inner and outer cylinders).

[0039] The input device includes a bracket, an input pipe, a counter, and a gate mechanism. The bracket is mounted on a frame, and the gate mechanism is mounted on the bracket. The input pipe is connected to the upper port of the gate mechanism, and a counter is installed in the input pipe. The gate mechanism includes a gate body, a gate cylinder, and a gate plate. The gate body is mounted on the bracket, and the gate cylinder is mounted on the frame. The upper end of the gate body is connected to the input pipe. The gate plate is inserted into a gate plate hole on the gate body and connected to the piston rod of the gate cylinder. The gate cylinder is a double-acting cylinder with two simultaneously extending and retracting piston rods. The gate plate is divided into two parts and is connected to the two piston rods of the gate cylinder respectively. When the piston rod of the gate cylinder extends or retracts, it drives the gate plate to move in the gate plate hole, causing the gate body to open or close. When the gate plate is open, the disposable container can fall.

[0040] Disposable containers enter the sterilization device through the input device for sterilization, and then are sealed by the sealing device. The sealed disposable containers fall onto the conveying device for transport. The motor drives the upper turntable, sterilization cylinder, and lower turntable to rotate together via a rotating shaft. When the upper input port of the sterilization cylinder axially overlaps with the sterilization medium inlet seat, a sterilization medium (such as chlorine dioxide gas) is injected into the sterilization cylinder. When the lower discharge port of the sterilization cylinder axially overlaps with the container outlet, the sterilized disposable container is discharged from the container outlet and enters the sealing device.

[0041] This invention incorporates a sterilization process during packaging. The arrangement of the input, sterilization, and packaging stages of the disposable container is reasonable, and the structure operates smoothly and efficiently. Furthermore, the rotation allows the disposable container to continuously enter the input, sterilization, and packaging stations, significantly improving production efficiency. Attached Figure Description

[0042] Figure 1 This is a schematic diagram of the structure of the container packaging machine with pre-sterilization according to this utility model.

[0043] Figure 2 This is a schematic diagram of the frame structure in this utility model.

[0044] Figure 3 This is a schematic diagram of the sterilization device in this utility model.

[0045] Figure 4 This is a schematic diagram of the sterilization mechanism in a sterilization device.

[0046] Figure 5 This is a schematic diagram of the lower sealing plate in the sterilization mechanism.

[0047] Figure 6 This is a schematic diagram of the lower rotating disc in the sterilization mechanism.

[0048] Figure 7 This is a schematic diagram of the upper rotating disc in the sterilization mechanism.

[0049] Figure 8 This is a schematic diagram of the upper sealing plate in the sterilization mechanism.

[0050] Figure 9 This is a schematic diagram of the sterilization medium inlet seat in the sterilization mechanism.

[0051] Figure 10 This is a schematic diagram of the sterilization cylinder in the sterilization mechanism.

[0052] Figure 11 This is a schematic diagram of the input device in this utility model.

[0053] Figure 12 This is a schematic diagram of the input tube in the input device.

[0054] Figure 13 This is a schematic diagram of the gate mechanism in the input device.

[0055] In the diagram: 1. Sterilization device, 2. Input device, 3. Packaging mechanism, 4. Frame; 11. Upper mounting plate; 12. Servo motor; 13. Sterilization mechanism; 14. Sterilization bracket; 131. Lower sealing plate, 132. Lower turntable, 133. Upper turntable, 134. Upper sealing plate, 135. Sterilization medium inlet seat, 136. Rotating shaft, 137. Sterilization cylinder; 1311. Lower sealing plate substrate; 1312. Annular groove; 1313. Center hole; 1314. Container outlet; 1315. Mounting hole; 1321. Lower turntable base plate; 1322. Annular groove; 1323. Shaft mounting hole; 1324. Sterilization cylinder mounting hole; 1331. Upper turntable base plate; 1332. Annular groove; 1333. Shaft mounting hole; 1334. Sterilization cylinder mounting hole; 1341. Top sealing plate substrate; 1342. Annular groove; 1343. Center hole; 1344. Container inlet; 1345. Mounting adjustment hole; 1346. Sterilization medium inlet; 1347. Mounting hole; 1351. Inlet base; 1352. Sterilization medium inlet; 1353. Sterilization medium outlet; 1354. Mounting hole; 1371. Outer cylinder, 1372. Inner cylinder, 1373. Notch; 21. Counter; 22. Input tube; 23. Support; 24. Gate mechanism; 221. Input tube body, 222. Input port, 223. Output port; 241. Gate cylinder; 242. Gate body; 243. Hinge mechanism; 244. Gate plate; 245. Connecting rod; 2421. Gate outlet. Detailed Implementation

[0056] like Figure 1 As shown, the pre-sterilization container packaging machine of this utility model includes a frame 4, an input device 2, a sterilization device 1, and a sealing device 3. The input device 2 is connected to the sterilization device 1. The sterilization device 1 is disposed on the upper part of the frame 4, and the sealing device 3 is disposed in the frame 4, below the sterilization device 1. See also Figure 2 The frame 4 is equipped with a conveyor device 41, which is located below the sealing device 3. Disposable containers enter the sterilization device 1 through the input device 2 for stacking and sterilization, and then enter the sealing device 3 for sealing. The sealed disposable containers fall onto the conveyor device 41 and are conveyed out. The sealing device 3 and the conveyor device 41 adopt existing technology. The sealing device 3 refers to the structure of existing packaging heat sealing machines, and the conveyor device 41 can be an existing belt conveyor or roller conveyor, which will not be described in detail here.

[0057] Figure 3 The structure of the sterilization device 1 is shown, including a sterilization support 14 and a sterilization mechanism 13. An upper mounting plate 11 is installed on the top of the sterilization support 14, and a servo motor 12 is mounted on the upper mounting plate 11. The sterilization mechanism 13 is disposed in the sterilization support 14 and connected to the servo motor 12 (see [reference]). Figure 3 ).

[0058] The structure of the sterilization mechanism is as follows Figure 4 It includes an upper sealing plate 134, a lower sealing plate 131, an upper turntable 133, a lower turntable 132, a sterilization medium inlet seat 135, a rotating shaft 136, and a sterilization cylinder 137. The upper end of the rotating shaft 136 is connected to the motor shaft of the servo motor 12, and the upper sealing plate 134, upper turntable 133, lower turntable 132, and lower sealing plate 131 are sequentially mounted on the rotating shaft 136 from top to bottom.

[0059] The structure of the lower sealing plate 131 is as follows Figure 5 An annular groove 1312, a central hole 1313, a container outlet 1314, and a mounting hole 1315 are provided on the lower turntable base plate 1311. The central hole 1313 is used to pass through the rotating shaft 136, the container outlet 1314 is used to dock with the packaging device 3, and the mounting hole 1315 is used to fix the lower sealing plate 131 to the sterilization bracket 14.

[0060] The structure of the lower turntable 132 is as follows Figure 6 The lower turntable base plate 1321 is provided with an annular groove 1322, a shaft mounting hole 1323, and a sterilization cylinder mounting hole 1324. The shaft mounting hole 1323 is used to install the lower end of the rotating shaft 136, and the sterilization cylinder mounting hole 1324 is used to install the lower end interface of the sterilization cylinder 137. The annular groove 1312 and the annular groove 1322 are coaxial, have the same structure, and have the same diameter. They are interlocked to form a closed annular slide, with built-in ball bearings, which allows the lower turntable 132 to rotate smoothly relative to the lower sealing plate 131 and ensures the stability of the gap.

[0061] The structure of the upper turntable 133 is as follows Figure 7 The upper turntable base plate 1331 is provided with an annular groove 1332, a shaft mounting hole 1333 and a sterilization cylinder mounting hole 1334. The shaft mounting hole 1333 is used to install the upper part of the rotating shaft 136, and the sterilization cylinder mounting hole 1334 is used to install the upper end of the sterilization cylinder 137.

[0062] The structure of the upper sealing plate 134 is as follows Figure 8As shown, the upper turntable base plate 1341 is provided with a container inlet 1344, a mounting adjustment hole 1345, a sterilization medium inlet 1346, a mounting hole 1347, and an annular groove 1342. The container inlets 1344 and sterilization medium inlets 1346 of the upper sealing plate 134 are evenly distributed on a concentric circle centered on the central hole 1343 (two container inlets 1344 and six sterilization medium inlets 1346 are evenly distributed). The total number of container inlets 1344 and sterilization medium inlets 1346 on the upper sealing plate 134 (a total of eight) and their arrangement pattern are consistent with the arrangement pattern and number of sterilization cylinders 137, all on concentric circles of equal diameter. Four mounting holes 1347 are evenly distributed around each sterilization medium inlet 1346 for installing sterilization medium inlet seats 135. Besides connecting the upper sealing plate 134 and the upper mounting plate 11, the adjustment hole 1345 also serves another important function: adjusting the gap between the upper sealing plate 134 and the upper turntable 133 by loosening the connecting bolts. This adjusts the engagement clearance between the annular groove 1332 on the upper turntable 133 and the annular groove 1332 on the upper sealing plate 1342, ensuring smooth rotation of the placed balls. The annular grooves 1332 and 1342 are coaxial, have identical structures, and equal diameters. The container inlet 1344 and the sterilization medium inlet seat 135 on the upper sealing plate 134 both extend out of the upper mounting plate 11, facilitating connection to relevant interfaces.

[0063] The upper turntable 133 and the lower turntable 132 have the same structure. Multiple sterilization cylinders 137 are installed between the upper turntable 133 and the lower turntable 132. The sterilization cylinders 137 are evenly distributed around the rotating shaft 136. After the upper turntable 133, sterilization cylinders 137 and lower turntable 132 are installed, they are fixedly connected to the rotating shaft 136 and rotate together with the rotating shaft 136.

[0064] The container inlet 1344 on the upper sealing plate 134 and the container outlet 1314 on the lower sealing plate 131 are installed in a staggered manner (the container inlet 1344 and the container outlet 1314 cannot overlap axially). This ensures that the upper input port and lower output port of the sterilization cylinder 137 cannot be open simultaneously. For any given sterilization cylinder 137, it means that disposable containers cannot be both input and output at the same time. The purpose is to allow the disposable containers a certain residence time in the sterilization cylinder 137 to meet the sterilization process duration requirements. In this embodiment, eight sterilization cylinders are evenly distributed. Every 45-degree rotation of the sterilization mechanism 13 (360 degrees divided by 8 equals 45 degrees), the container inlet 1344 overlaps axially with the inlet of one sterilization cylinder 137 (the initial position is that the container inlet 1344 overlaps axially with the inlet of one of the sterilization cylinders 137). Therefore, in this embodiment, the container inlet 1344 on the upper sealing plate 134 and the container outlet 1314 on the lower sealing plate 131 are installed in a staggered manner of 135 degrees. When the sterilization cylinder 137 rotates 135 degrees, it axially overlaps with the container outlet 1314, allowing disposable containers to enter the sealing device 3, thus emptying the sterilization cylinder 137. A further 45-degree rotation (180 degrees relative to the initial position) axially overlaps with another container inlet 1344, allowing disposable containers to be fed into the inner cylinder 1372 of the sterilization cylinder 137 again, and this cycle repeats continuously. Simultaneously, another container inlet 1344 also axially overlaps with another sterilization cylinder 137, performing the same cycle. Container inlets 1344 and container outlets 1314 are arranged in pairs, the number of which depends on the sterilization time.

[0065] The servo motor 12 drives the upper turntable 133, sterilization cylinder 137 and lower turntable 132 to rotate together via the rotating shaft 136. When the upper inlet of the sterilization cylinder 137 is axially overlapped with the sterilization medium inlet 1346, the sterilization medium (such as chlorine dioxide gas) enters the sterilization cylinder 137 through the sterilization medium inlet 1352 for sterilization. When the lower end of the sterilization cylinder 137 is axially overlapped with the container outlet 1314, the sterilized disposable container enters the packaging device 3 through the container outlet 1314.

[0066] The structure of the sterilization medium inlet is as follows: Figure 9 As shown, the inlet base 1351 is provided with a sterilization medium inlet 1352, a sterilization medium outlet 1353, and a mounting hole 1354. The mounting hole 1354 mates with the mounting hole 1347 to mount the inlet base 1351 onto the upper sealing plate 134. The sterilization medium inlet 1352 is connected to an external sterilization medium delivery pipe, and the sterilization medium outlet 1353 is connected to the outer cylinder 1371 in the sterilization cylinder 137.

[0067] The structure of sterilization cartridge 137 is as follows Figure 10As shown, the device includes an outer cylinder 1371 and an inner cylinder 1372, with the inner cylinder 1372 disposed inside the outer cylinder 1371. Together, they form a sterilization cylinder 137. To facilitate the flow of the sterilization medium between the inner and outer cylinders, a slot 1373 is formed on the inner cylinder 1372. The two ends of the sterilization cylinder 137 are respectively installed in sterilization cylinder mounting holes 1324 in the lower turntable 132 and 1334 in the upper turntable 133. A rotating shaft 136 passes through and is fixed in the shaft mounting holes 1323 in the lower turntable 132 and 1333 in the upper turntable 133, or the rotating shaft 136 is keyed to the shaft mounting holes 1323 and 1333. In this way, the lower turntable 132, upper turntable 133, sterilization cylinder 137, and rotating shaft 136 are assembled into a single component unit, which is then placed on the lower sealing plate 131. Annular grooves 1313 and 1323 form a closed slide, with ball bearings arranged within the slide. The lower sealing plate 131 is fixedly connected to the sterilization support 14 via mounting holes 1315. Ball bearings are arranged in the annular groove 1343 of the upper turntable 134. The upper sealing plate 133 is placed on the upper turntable 134, causing the annular grooves 1343 and 1333 to close and form a slide. The upper sealing plate 134 is then connected to the upper mounting plate 11 via mounting adjustment holes 1345.

[0068] The number of input devices 2, the number of container inlets 1344 in the upper sealing plate 134, and the number of container outlets 1314 in the lower sealing plate 131 are the same. Figure 1 The middle part consists of two sets of input devices 2. Figure 8 The middle section contains two container inlets, 1344. Figure 5 The middle section contains two container outlets, numbered 1314.

[0069] Figure 11 The structure of the input device 2 is shown, including a bracket 23, an input tube 22, a counter 21, and a gate mechanism 24. The entire input device 2 is mounted on the frame 4 via the bracket 23. The bracket 23 is specifically fixed to the upper mounting plate 11. The gate mechanism 24 is mounted on the bracket 23, and the input tube 22 is connected to the upper port of the gate mechanism 24. The counter 21 is installed in the input tube 22.

[0070] Figure 12 The structure of the input tube 22 is shown. The input tube body 221 is arc-shaped with open top and bottom, which are the input port 222 and the output port 223, respectively. The output port 223 is connected to the gate mechanism 24. Disposable containers enter the input tube body 221 through the input port 222, are counted by the counter 21, and then enter the gate mechanism 24 through the output port 223.

[0071] Figure 13The structure of the gate mechanism is shown, including a gate cylinder 241, a gate body 242, and a gate plate 244. The gate body 242 is connected to the bracket 23 via a connecting plate 243. The gate cylinders 241 are all mounted on the upper mounting plate 11 and are double-acting cylinders with two piston rods that extend and retract simultaneously. The gate plate 244 is divided into two parts. The gate body 242 has gate hole openings, and the two gate plates 244 are inserted into these openings and connected to the two piston rods of the gate cylinders 241 via connecting rods 245. The lower end of the gate body 242 is the gate outlet 2421, which connects to the container inlet 1344 in the upper sealing plate 134. When the counter 21 has not passed the set number of disposable containers, the piston rod of the gate cylinder 241 is in the retracted state and the gate 244 is in the open state, allowing disposable containers to pass through and enter the inner cylinder 1372 of the sterilization mechanism 13 from the gate outlet 2421; when the counter 21 has accumulated the set number of disposable containers, the piston rod of the gate cylinder 241 retracts, causing the two gates 244 to close, preventing disposable containers from passing through the gate body 242.

[0072] The operation process of the above packaging machine is as follows.

[0073] In this embodiment, the upper sealing plate 134 has two container inlets 1344 and six sterilization medium inlets 1346 evenly distributed. The lower sealing plate 131 has two container outlets 1311 evenly distributed. Eight sterilization cylinders 137 are evenly distributed between the upper turntable 133 and the lower turntable 132. Every time the sterilization mechanism 13 rotates 45 degrees (360 degrees divided by 8 equals 45 degrees), the container inlet 1344 axially overlaps with the inlet of one sterilization cylinder 137 (the initial position is set so that the container inlet 1344 axially overlaps with the inlet of one sterilization cylinder 137). In this embodiment, the container inlets 1344 on the upper sealing plate 134 and the container outlets 1314 on the lower sealing plate 131 are installed with a 135-degree offset.

[0074] When a disposable container needs to be fed into the sterilization cylinder 137, the servo motor 12 drives the lower turntable 132, sterilization cylinder 137, and upper turntable 133 in the sterilization mechanism 13 to rotate via the rotating shaft 136, aligning the container inlets 1344 in the two sterilization cylinders 137, the container outlets 2421 in the two upper sealing plates 134, and the gate outlets 2421 in the two input devices 2. The disposable container enters through the input pipe 22, is counted by the counter 21, and enters the sterilization cylinder 137 (inner cylinder 1372) (the first sterilization cylinder 137) through the gate outlet 2421. When the counter 21 accumulates the number of disposable containers that have passed through to a set number, the piston rod of the gate cylinder 241 in the gate mechanism retracts, the gate 244 closes, and the disposable container no longer enters the sterilization cylinder 137 (the first sterilization cylinder 137) through the gate outlet 2421. Servo motor 12 drives a 45-degree rotation, and the sterilization medium enters the sterilization cylinder 137 (the first sterilization cylinder 137) through the sterilization medium outlet 1353 for sterilization. This process is repeated, and disposable containers are fed into another set (the second set, two cylinders) of sterilization cylinders 137. When the set number of disposable containers is reached, the piston rod of the gate cylinder 241 in the gate mechanism retracts, the gate 244 closes again, and servo motor 12 drives another 45-degree rotation (a total of 90 degrees, meaning two sets of sterilization cylinders have been fully enclosed for sterilization). When the sterilization cylinder 137 rotates 135 degrees (the first sterilization cylinder 137), it axially overlaps with the container outlet 1314. The sterilized disposable containers seamlessly enter the sealing device 3 through the container outlet 1314 for sealing, and the sterilization cylinder 137 (the first sterilization cylinder 137) is emptied. After rotating another 45 degrees (180 degrees relative to the initial position), the sterilization cylinder 137 (the first sterilization cylinder 137) will axially overlap with another container inlet 1344, allowing disposable containers to be fed into the inner cylinder 1372 of the sterilization cylinder 137 (the first sterilization cylinder 137) again, and this cycle repeats continuously. Simultaneously, the other container inlet 1344 also axially overlaps with another sterilization cylinder 137, performing the same cycle.

[0075] The sealed disposable container falls into the transfer device 41 and is transported to the next process.

[0076] Specific embodiments are given below.

[0077] I. Rack Design Sterilization bracket 14: 1500mm long, 1200mm wide, 520mm high, 10mm thick, with a 1000mm wide pre-reserved area in the center of the bottom surface, and the rest of the surface is open. The frame width is 100mm.

[0078] Frame 4: 1500mm long, 1200mm wide, 1000mm high, 10mm thick, 100mm wide frame, with 29 Φ40mm rollers (transmission device 41) evenly distributed at 350mm from the bottom.

[0079] II. Design of Disposable Container Input Device The input tube 22 is a high-strength transparent PPC tube with an outer diameter of Φ100mm and a wall thickness of 2mm.

[0080] Both the gate plate 244 and the gate body 242 are made of 304 stainless steel.

[0081] Both the outer cylinder (1371) and the inner cylinder are made of 304 stainless steel.

[0082] The outer cylinder 1371 has an outer diameter of Φ110mm, a wall thickness of 1.5mm, and a length of 400mm.

[0083] The inner cylinder 1372 has an inner diameter of Φ80mm, a wall thickness of 1.5mm (extended outward, outer diameter Φ83mm), and a length of 500mm. The inner cylinder 1372 has 18 slots 1373 with a length of 120mm (center distance 120mm) and a width of 10mm, with 6 slots in the circumferential direction and 3 groups in the axial direction.

[0084] The inner cylinder 1372 has 4 support plates installed at both ends and in the middle, with a thickness of 5mm (stretch thickness of 5mm), an outer diameter of Φ107mm, and an inner diameter of Φ83mm.

[0085] III. Sterilization System Design 1. Design of upper turntable 133 and lower turntable 132 The upper turntable 133 and the lower turntable 132 have the same structure, with an outer diameter of Φ1000mm and a thickness of 20mm. Eight Φ110mm holes are evenly distributed on the Φ800mm circle for installing the sterilization cylinder 137. Grooves R=6 are dug on the Φ600mm circle as annular grooves 1322 and 1332 for holding ball bearings. The inner diameter of the center holes 1313 and 1343 is Φ100mm.

[0086] 2. Design of the lower sealing plate 131 The outer diameter is Φ1000mm, and the thickness is 20mm. Two Φ110mm holes are evenly distributed on the Φ800mm circle as container outlets 1314, and a Φ110mm, 40mm long connecting pipe is installed for easy connection with the sealing device 3. This is the outlet pipe for disposable containers. A groove R=6 is carved on the Φ600mm circle as an annular groove 1312 for holding ball bearings. The center hole 1313 is Φ160mm.

[0087] 3. Top sealing plate 134 design The outer diameter is Φ1000mm, and the thickness is 20mm. Two Φ110mm holes are evenly distributed on the Φ800mm circle as container inlets 1344, and a Φ110mm, 40mm long connecting pipe is installed for easy connection with the disposable container input device, serving as the input port for disposable containers. A groove R=6 is dug on the Φ600mm circle as an annular groove 1342 for holding ball bearings, and the central hole 1343 is Φ160mm. Six Φ30mm holes (evenly distributed with the two Φ110mm holes) are arranged on the Φ800mm circle for installing the sterilization medium inlet seat.

[0088] The two Φ110mm holes (container inlet 1344) of the upper sealing plate 134 and the two Φ110mm holes (container outlet 1314) of the lower sealing plate 131 are installed at a 45-degree (135-degree) offset. The purpose is to ensure that the inlet and outlet of the sterilization cylinder 137 cannot be opened at the same time. When a disposable container is input, the outlet of the sterilization cylinder 137 is closed. At the same time, the inlet is closed when the disposable container leaves the sterilization cylinder.

[0089] 4-Sterilization cartridge 137 design Both the outer cylinder (1371) and the inner cylinder are made of 304 stainless steel.

[0090] The outer cylinder 1371 has an outer diameter of Φ110mm, a wall thickness of 1.5mm, and a length of 400mm.

[0091] The inner cylinder 1372 has an inner diameter of Φ80mm, a wall thickness of 1.5mm (extended outward, outer diameter Φ83mm), and a length of 500mm. The inner cylinder 1372 has 18 slots 1373 with a length of 120mm (center distance 120mm) and a width of 10mm, with 6 slots in the circumferential direction and 3 groups in the axial direction.

[0092] The inner cylinder 1372 has 4 support plates installed at both ends and in the middle, with a thickness of 5mm (stretch thickness of 5mm), an outer diameter of Φ107mm, and an inner diameter of Φ83mm.

Claims

1. A container packaging machine with pre-sterilization, characterized in that, It includes a frame, an input device, a sterilization device, and a packaging device. The input device is connected to the sterilization device, the sterilization device is mounted on the frame, and the packaging device is mounted in the frame, located below the sterilization device. The sterilization device includes a sterilization support and a sterilization mechanism. A motor is mounted on the sterilization support, and the sterilization mechanism is located in the sterilization support and connected to the motor.

2. The container packaging machine with pre-sterilization according to claim 1, characterized in that, The sterilization mechanism includes a rotating shaft, an upper sealing plate, a lower sealing plate, an upper turntable, a lower turntable, a sterilization medium inlet seat, and a sterilization cylinder. The rotating shaft is connected to a servo motor. The upper sealing plate, upper turntable, lower turntable, and lower sealing plate are sequentially mounted on the rotating shaft from top to bottom. The upper and lower sealing plates are both connected to the sterilization support. A sterilization cylinder is distributed between the upper and lower turntables. The two ends of the sterilization cylinder are connected to the upper and lower turntables, respectively. The sterilization medium inlet seat is located on the upper sealing plate.

3. The container packaging machine with pre-sterilization according to claim 2, characterized in that, The upper sealing plate is provided with a container inlet that connects to the input device, a sterilization medium inlet, a mounting hole corresponding to the sterilization medium inlet seat, and an adjustment hole for adjusting the gap between the upper turntable and the upper sealing plate. The lower sealing plate is provided with a container outlet that connects to the packaging device. The container outlet and the container inlet are staggered. The number of container inlets and the number of container outlets are the same as the number of input devices.

4. The container packaging machine with pre-sterilization according to claim 2, characterized in that, An annular groove is provided between the upper turntable and the upper sealing plate, and between the lower turntable and the lower sealing plate, and a ball bearing is placed in the annular groove.

5. The container packaging machine with pre-sterilization according to claim 2, characterized in that, The sterilization cylinders are arranged in a circle around the rotating shaft. The total number and distribution of the container inlets and sterilization medium inlet seats on the upper sealing plate are consistent with the number and distribution of the sterilization cylinders. The container inlets, container outlets, sterilization medium inlets, and the center of the sterilization cylinders are all distributed on concentric circles of equal diameter.

6. The container packaging machine for pre-sterilization according to claim 2, characterized in that, The sterilization cylinder includes an outer cylinder and an inner cylinder, with the inner cylinder disposed inside the outer cylinder and having a slot on it.

7. The container packaging machine with pre-sterilization according to claim 1, characterized in that, The input device includes a bracket, an input tube, a counter, and a gate mechanism. The bracket is mounted on a frame, the gate mechanism is mounted on the bracket, the input tube is connected to the upper port of the gate mechanism, and a counter is installed in the input tube.

8. The container packaging machine with pre-sterilization according to claim 7, characterized in that, The gate mechanism includes a gate body, a gate cylinder, and a gate plate. The gate body is mounted on a bracket, the gate cylinder is mounted on the frame, the upper end of the gate body is connected to the input pipe, and the gate plate is inserted into the gate plate hole provided on the gate body and connected to the piston rod of the gate cylinder.

9. The container packaging machine with pre-sterilization according to claim 8, characterized in that, The gate is divided into two parts, which are respectively connected to the two piston rods of the gate cylinder.

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