Vacuum-pumping nitrogen-filling paper can sealing equipment

Abstract

The utility model discloses a vacuumizing and nitrogen filling paper can sealing device which comprises a machine frame, a conveying mechanism, a vacuumizing and nitrogen filling mechanism and a discharging mechanism, and the conveying mechanism, the vacuumizing and nitrogen filling mechanism and the discharging mechanism are all installed on the machine frame. The vacuumizing and inflating mechanism is used for extracting air in a tank and inflating high-purity nitrogen for heat sealing, the conveying mechanism is used for stably and automatically conveying a product to be processed and enabling the product to sequentially pass through the vacuumizing and inflating mechanism, the sealing detection mechanism and the discharging mechanism, and the discharging mechanism is used for discharging qualified products in the nitrogen packaging process. The discharging mechanism comprises a jacking assembly, a cup scraping assembly and an output assembly, through the implementation of the automatic cup scraping device, qualified products are rapidly separated and transferred through the discharging mechanism, manpower is reduced, defective products are prevented from flowing into the next working procedure, the working efficiency and the automation degree are relatively high, and the automatic cup scraping device has certain use value and popularization value.

Description

Technical Field

[0001] This utility model relates to the technical field of paper can sealing equipment, and in particular to a vacuum-sealed paper can filled with nitrogen equipment. Background Technology

[0002] Nitrogen filling is a common method of food preservation in food packaging. As an inert gas, nitrogen can increase the shelf life of food, prolong its freshness and taste, and maintain the dryness, crispness, and other characteristics required by food. Because nitrogen does not react chemically with food or seasonings and can effectively inhibit bacterial growth and food oxidation, nitrogen packaging is widely used in the food packaging field and has significant advantages.

[0003] The existing nitrogen-filled packaging technology works by directly injecting pure nitrogen into the food packaging container to minimize the oxygen content inside the packaging, and then sealing the packaging container. However, existing paper can sealing equipment cannot quickly separate qualified products from defective products after packaging is completed, and its work efficiency and automation level need to be further improved.

[0004] In summary, a vacuum-sealing and nitrogen-filling paper can sealing device is needed to address the shortcomings of existing technologies. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a vacuum-sealing and nitrogen-filled paper can sealing device, aiming to solve the aforementioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vacuum-sealed paper can filled with nitrogen, comprising a frame, a conveying mechanism, a vacuum-filling mechanism, and a discharge mechanism. The conveying mechanism, vacuum-filling mechanism, and discharge mechanism are all mounted on the frame. The vacuum-filling mechanism is used to extract air from the can and fill it with high-purity nitrogen for heat sealing. The conveying mechanism is used to smoothly and automatically transport the products to be processed, sequentially passing them through the vacuum-filling mechanism, the sealing detection mechanism, and the discharge mechanism. The discharge mechanism is used to discharge qualified products from the nitrogen packaging process. The discharge mechanism includes a lifting component, a scraper component, and an output component. The lifting component is used to lift the sealed paper can upwards to the side near the scraper component. The scraper component is used to push and pull the paper can lifted by the lifting component to the output component. The output component is used to horizontally transport qualified products. By coordinating the conveying mechanism with the vacuum-filling mechanism and the discharge mechanism, the product operation is automated. The discharge mechanism quickly separates and transfers qualified products, reducing manual labor and preventing defective products from flowing into the next process, resulting in relatively high work efficiency and automation.

[0007] Furthermore, the lifting assembly includes a base block, a base plate, lifting cylinders, and a tray. The base plate is connected to the frame via the base block. The lifting cylinders are horizontally arranged and mounted on the base plate. The top output end of the lifting cylinders is connected to the tray, which is used to fit and support the paper cans to be discharged.

[0008] Furthermore, the cup scraping assembly includes a bracket, a cup scraping drive, a sleeve, a connecting rod, a horizontal plate, a hanging plate, and a cup scraping module. The bracket is horizontally mounted on the frame, the cup scraping drive and the sleeve are both mounted on the bracket, the telescopic end of the cup scraping drive is connected to the horizontal plate, the connecting rod passes through the sleeve and is connected to the horizontal plate, the hanging plate is horizontally arranged and mounted on the horizontal plate, and the cup scraping module is located on the hanging plate.

[0009] Furthermore, the output component is a horizontal conveyor belt, the height of which is the same as the height of the tray when it is raised to its highest position.

[0010] Furthermore, the vacuuming and inflation mechanism includes a mounting plate, a drive assembly, an upper column guide rod, a sealing upper movable plate, an upper vacuum chamber, a sealing fixed plate, a lower column guide rod, a lower movable plate, and a lower vacuum chamber. The mounting plate is connected to the sealing fixed plate after passing through the sealing upper movable plate via the upper column guide rod. The sealing fixed plate is connected to the lower movable plate via the lower column guide rod. The drive assembly is used to drive the sealing upper and lower movable plates to move up and down. The sealing upper movable plate is connected to the upper column guide rod via a linear bearing. The lower movable plate is connected to the lower column guide rod via a linear bearing. The upper vacuum chamber has several vents for connecting vacuum valves, pressure gauges, and nitrogen filling equipment. The upper vacuum chamber is mounted on the sealing upper movable plate. The lower vacuum chamber assists the upper vacuum chamber in forming a sealed cavity and is mounted on the lower movable plate.

[0011] Furthermore, the drive assembly includes a geared motor, a drive shaft, an eccentric wheel, a connecting rod sleeve, an upper connecting rod, a bearing housing, a rocker arm pin, a spherical bearing, and a lower connecting rod. The geared motor is mounted on a mounting plate. The drive end of the geared motor is connected to the eccentric wheel, the bearing housing, and the rocker arm pin via the drive shaft. The connecting rod sleeve is sleeved with the eccentric wheel. The connecting rod sleeve is connected to the upper movable plate of the sealing end via the upper connecting rod. The rocker arm pin is connected to the spherical bearing via a pivot pin. The spherical bearing is connected to the lower movable plate via the lower connecting rod.

[0012] Furthermore, the conveying mechanism includes a driver, a transmission assembly, and several interconnected chain plates, each chain plate having several stepped slots for limiting the movement of the product during transport.

[0013] Furthermore, the vacuum-sealed paper can with nitrogen filling also includes a film-laying mechanism and a sealing detection mechanism. The film-laying mechanism is used to automatically lay film onto the paper can at the lower station. The sealing detection mechanism is used to perform a sealing test on the paper can after it has been filled with nitrogen. The film-laying mechanism is installed on the side of the frame near the vacuum-filling mechanism, and the sealing detection mechanism is installed on the other side of the frame near the vacuum-filling mechanism.

[0014] The beneficial effects of this utility model are:

[0015] 1. In this utility model, the product automated workstation is operated by setting up a ground conveying mechanism in conjunction with a vacuuming and inflation mechanism and a discharge mechanism. The discharge mechanism quickly separates and transfers qualified products, reducing manual labor and preventing defective products from flowing into the next process. The work efficiency and automation level are relatively high.

[0016] 2. In this utility model, by setting up a ground chain plate type conveyor mechanism, it can be specifically adapted to the paper can product packaging process. The lifting component can lift the qualified paper cans placed on the upper chain plate to between the scraper cup component and the output component. Then, the scraper cup component horizontally moves the qualified paper cans for transfer. The overall operation is relatively fast, the structure is reasonable, the practicality is relatively strong, and it has certain use value and promotion value. Attached Figure Description

[0017] 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present invention.

[0019] Figure 2 This is a schematic diagram of the structure of this utility model.

[0020] Figure 3 This is a three-dimensional structural diagram of the discharge mechanism of this utility model.

[0021] Figure 4 for Figure 2 Enlarged schematic diagram of the structure of section A in the middle.

[0022] Figure 5 This is a three-dimensional structural diagram of the vacuuming and inflation mechanism of this utility model.

[0023] Figure 6 This is a schematic front view of the vacuuming and inflation mechanism of this utility model.

[0024] Figure 7 This is a schematic diagram of the closed structure of the vacuuming and inflation mechanism of this utility model.

[0025] Figure 8 This is a schematic diagram of the structure and installation of the conveying mechanism of this utility model.

[0026] Figure 9 This is a schematic diagram of the chain plate structure of this utility model.

[0027] In the diagram: 1-Frame, 2-Conveying mechanism, 21-Driver, 22-Transmission assembly, 23-Chain plate, 231-Step groove; 3-Film feeding mechanism, 4-Vacuuming and inflation mechanism, 41-Mounting plate, 42-Drive assembly, 421-Gear motor, 422-Drive shaft, 423-Eccentric wheel, 424-Connecting rod sleeve, 425-Upper connecting rod, 426-Bearing seat, 427-Swing arm pin, 428-Spherical bearing, 429-Lower connecting rod; 43-Upper column guide rod, 44-Sealing upper movable rod 45-Upper vacuum chamber, 46-Sealing fixing plate, 47-Lower column guide rod, 48-Lower movable plate, 49-Lower vacuum chamber; 5-Sealing detection mechanism, 6-Discharge mechanism, 61-Lifting assembly, 611-Bottom block, 612-Bottom plate, 613-Lifting cylinder, 614-Tray; 62-Scraping cup assembly, 621-Bracket, 622-Scraping cup drive component, 623-Sleeve, 624-Connecting rod, 625-Horizontal plate, 626-Hanging plate, 627-Scraping cup module; 63-Output assembly. Detailed Implementation

[0028] To facilitate understanding of this utility model, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or one or more intermediate elements may exist between them. When an element is described as "connected to" another element, it can be directly connected to the other element, or one or more intermediate elements may exist between them. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this specification are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0030] like Figure 1 , 2As shown in Figure 3, a vacuum-sealed paper can with nitrogen filling includes a frame 1, a conveying mechanism 2, a film-feeding mechanism 3, a vacuum-filling mechanism 4, a sealing detection mechanism 5, and a discharge mechanism 6. All components are mounted on the frame 1 and arranged sequentially from left to right: the film-feeding mechanism 3, the vacuum-filling mechanism 4, the sealing detection mechanism 5, and the discharge mechanism 6. The left and right ends of the conveying mechanism 2 are the feeding section and the discharge section for the paper can products, respectively. The conveying mechanism 2 is used to smoothly and automatically convey the products to be processed, allowing them to pass sequentially through the vacuum-filling mechanism 4, the sealing detection mechanism 5, and the discharge mechanism. The film-feeding mechanism 3 is used to automatically feed the film to the lower processing section. On the paper can, the vacuum filling mechanism 4 is used to extract the air from the can and fill it with high-purity nitrogen before heat sealing. The sealing detection mechanism 5 is used to perform a sealing test on the paper can after filling it with nitrogen. The discharge mechanism 6 is used to discharge qualified products during the nitrogen packaging process. The discharge mechanism 6 includes a lifting component 61, a scraper cup component 62, and an output component 63. The lifting component 61 is used to lift the sealed paper can upward to the side close to the scraper cup component 62. The scraper cup component 62 is used to push and pull the paper can lifted by the lifting component 61 to the output component 63. The output component 63 is used to horizontally transfer qualified products.

[0031] As one implementation method, such as Figure 4 As shown, the lifting assembly 61 includes a base block 611, a base plate 612, a lifting cylinder 613, and a tray 614. The base plate 612 is connected to the frame 1 through the base block 611. The lifting cylinders 613 are horizontally arranged and installed on the base plate 612. The top output end of the lifting cylinder 613 is connected to the tray 614. The tray 614 is used to fit and support the paper can to be discharged.

[0032] In one embodiment, the lifting assembly 61 is connected to the frame 1 and is located inside the conveying mechanism 2.

[0033] In one embodiment, the cup scraping assembly 62 includes a bracket 621, a cup scraping drive 622, a sleeve 623, a connecting rod 624, a horizontal plate 625, a hanging plate 626, and a cup scraping module 627. The bracket 621 is mounted horizontally on the frame 1. The cup scraping drive 622 and the sleeve 623 are both mounted on the bracket 621. The telescopic end of the cup scraping drive 622 is connected to the horizontal plate 625. The connecting rod 624 passes through the sleeve 623 and is connected to the horizontal plate 625. The hanging plate 626 is horizontally arranged and mounted on the horizontal plate 625. The cup scraping module 627 is disposed on the hanging plate 626.

[0034] In one implementation, the scraper drive 622 is a push-pull cylinder. The piston end of the push-pull cylinder, in conjunction with the bracket 621, the scraper drive 622, the sleeve 623, the connecting rod 624, the horizontal plate 625, and the hanging plate 626, causes the scraper module 627 to perform a push-pull action, thereby moving the lifted paper can onto the output component 63, which is on the same horizontal plane.

[0035] In one implementation, the output component 63 is a horizontal conveyor belt. The height of the horizontal conveyor belt is the same as the height of the tray 614 when it is raised to its highest position. The lifting cylinder 613 lifts the tray 614 and simultaneously raises the paper can on the corresponding station to a horizontal position close to the scraper module 627 (located between the scraper module 627 and the output component 63).

[0036] As one implementation method, such as Figure 5 , 6 As shown in Figure 7, the vacuuming and inflation mechanism 4 includes a mounting plate 41, a drive assembly 42, an upper column guide rod 43, a sealing upper movable plate 44, an upper vacuum chamber 45, a sealing fixing plate 46, a lower column guide rod 47, a lower movable plate 48, and a lower vacuum chamber 49. The mounting plate 41 passes through the upper column guide rod 43 and is connected to the sealing fixing plate 46 after passing through the sealing upper movable plate 44. The sealing fixing plate 46 is connected to the lower movable plate 48 through the lower column guide rod 47. The drive assembly 42 is used to drive the sealing upper... The movable plate 44 and the lower movable plate 48 move up and down. The upper movable plate 44 is connected to the upper column guide rod 43 via a linear bearing, and the lower movable plate 48 is connected to the lower column guide rod 47 via a linear bearing. The upper vacuum chamber 45 has several vents for connecting vacuum valves, pressure gauges and nitrogen filling equipment. The upper vacuum chamber 45 is installed on the upper movable plate 44. The lower vacuum chamber 49 is used to assist the upper vacuum chamber 45 in forming a sealed cavity. The lower vacuum chamber 49 is installed on the lower movable plate 48.

[0037] In one embodiment, the drive assembly 42 includes a geared motor 421, a drive shaft 422, an eccentric wheel 423, a connecting rod sleeve 424, an upper connecting rod 425, a bearing housing 426, a rocker arm pin 427, a spherical bearing 428, and a lower connecting rod 429. The geared motor 421 is mounted on the mounting plate 41. The drive end of the geared motor 421 is connected to the eccentric wheel 423, the bearing housing 426, and the rocker arm pin 427 through the drive shaft 422. The connecting rod sleeve 424 is sleeved with the eccentric wheel 423. The connecting rod sleeve 424 is connected to the upper movable plate 44 of the sealing end through the upper connecting rod 425. The rocker arm pin 427 is connected to the spherical bearing 428 through a pin. The spherical bearing 428 is connected to the lower movable plate 48 through the lower connecting rod 429.

[0038] As one implementation method, such as Figure 8 , 9 As shown, the conveying mechanism 2 includes a driver 21, a transmission assembly 22, and several interconnected chain plates 23. The chain plates 23 are provided with several stepped slots 231 for limiting the movement of the products to be processed during the conveying process.

[0039] The working principle of this utility model is as follows: In use, the drive unit 21, in conjunction with the transmission component 22, drives the chain plate 23 containing the product. When the product enters the film-laying mechanism 3, an automatic film-laying action is performed. Then, the conveying mechanism 2 moves the product to the next station for vacuuming and nitrogen filling. The drive component 42 drives the upper vacuum chamber 45 and the lower vacuum chamber 49 to move up and down. The cavity formed between the upper vacuum chamber 45 and the lower vacuum chamber 49 is sealed by a sealing ring. When the upper vacuum chamber 45 and the lower vacuum chamber 49 are in contact with the chain plate 23 (refer to...), Figure 7 When the geared motor 421 stops rotating, the vacuum valve connected to the upper vacuum chamber 45 starts working to extract the air from the food packaging box and create a vacuum environment. When the air pressure inside the packaging box drops to a preset value via the air pressure gauge connected to the upper vacuum chamber 45, the nitrogen filling system starts working and fills the product with pure nitrogen through the nitrogen filling system connected to the upper vacuum chamber 45. After the nitrogen filling is completed, a routine heat sealing process is performed to ensure that the nitrogen inside the box reaches high purity. After vacuuming and nitrogen filling, the product undergoes a routine pressure test through the sealing detection mechanism 5. The result is transmitted to the discharge mechanism 6. Qualified products are lifted by the lifting cylinder 613, which lifts the tray 614 and simultaneously raises the paper cans on the corresponding workstation to a horizontal position close to the scraper module 627. Then, the scraper module 627 of the scraper assembly 62 moves the product to the output assembly 63 for conveying to the next process. Defective products automatically fall and are discharged after passing through the right end of the conveyor mechanism 2, emptying the chain plate 23.

[0040] It should be noted that while the preferred embodiments of this utility model are provided in the specification and accompanying drawings, this utility model can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments are not intended to impose additional limitations on the content of this utility model; their purpose is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Furthermore, the above-mentioned technical features can be combined with each other to form various embodiments not listed above, all of which are considered to be within the scope of this utility model specification. Moreover, those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A vacuum-sealing and nitrogen-filled paper can sealing device, comprising a frame (1), a conveying mechanism (2), a vacuum-filling and gas-filling mechanism (4), and a discharge mechanism (6), wherein the conveying mechanism (2), the vacuum-filling and gas-filling mechanism (4), and the discharge mechanism (6) are all mounted on the frame (1), and the vacuum-filling and gas-filling mechanism (4) is used to extract air from the can and fill it with high-purity nitrogen before heat sealing, characterized in that, The conveying mechanism (2) is used to smoothly and automatically convey the products to be processed and pass them sequentially through the vacuum filling mechanism (4), the sealing detection mechanism (5), and the discharge mechanism (6). The discharge mechanism (6) is used to discharge qualified products during the nitrogen packaging process. The discharge mechanism (6) includes a lifting component (61), a scraper cup component (62), and an output component (63). The lifting component (61) is used to lift the sealed paper can upwards to the side close to the scraper cup component (62). The scraper cup component (62) is used to push and pull the paper can lifted by the lifting component (61) to the output component (63). The output component (63) is used to horizontally transport qualified products.

2. The vacuum-sealing and nitrogen-filling paper can sealing device according to claim 1, characterized in that, The lifting assembly (61) includes a base block (611), a base plate (612), a lifting cylinder (613), and a tray (614). The base plate (612) is connected to the frame (1) through the base block (611). The lifting cylinders (613) are horizontally arranged and installed on the base plate (612). The top output end of the lifting cylinder (613) is connected to the tray (614). The tray (614) is used to fit and support the paper can to be discharged.

3. The vacuum-sealing and nitrogen-filling paper can sealing device according to claim 2, characterized in that, The cup scraping assembly (62) includes a bracket (621), a cup scraping drive (622), a sleeve (623), a connecting rod (624), a horizontal plate (625), a hanging plate (626), and a cup scraping module (627). The bracket (621) is mounted horizontally on the frame (1). The cup scraping drive (622) and the sleeve (623) are both mounted on the bracket (621). The telescopic end of the cup scraping drive (622) is connected to the horizontal plate (625). The connecting rod (624) passes through the sleeve (623) and is connected to the horizontal plate (625). The hanging plate (626) is horizontally arranged and mounted on the horizontal plate (625). The cup scraping module (627) is located on the hanging plate (626).

4. The vacuum-sealing and nitrogen-filling paper can sealing device according to claim 3, characterized in that, The output component (63) is a horizontal conveyor belt, and the height of the horizontal conveyor belt is the same as the height of the tray (614) when it is raised to its highest position.

5. The vacuum-sealing and nitrogen-filling paper can sealing device according to claim 1, characterized in that, The vacuuming and inflation mechanism (4) includes a mounting plate (41), a drive assembly (42), an upper column guide rod (43), a sealing upper movable plate (44), an upper vacuum chamber (45), a sealing fixing plate (46), a lower column guide rod (47), a lower movable plate (48), and a lower vacuum chamber (49). The mounting plate (41) passes through the sealing upper movable plate (44) via the upper column guide rod (43) and is connected to the sealing fixing plate (46). The sealing fixing plate (46) is connected to the lower movable plate (48) via the lower column guide rod (47). The drive assembly (42) is used to drive the sealing mechanism. The upper movable plate (44) and the lower movable plate (48) move up and down. The sealing upper movable plate (44) is connected to the upper column guide rod (43) through a linear bearing. The lower movable plate (48) is connected to the lower column guide rod (47) through a linear bearing. The upper vacuum chamber (45) has several vents for connecting vacuum valves, pressure gauges and nitrogen filling equipment. The upper vacuum chamber (45) is installed on the sealing upper movable plate (44). The lower vacuum chamber (49) is used to assist the upper vacuum chamber (45) in forming a sealed cavity. The lower vacuum chamber (49) is installed on the lower movable plate (48).

6. The vacuum-sealing and nitrogen-filling paper can sealing device according to claim 5, characterized in that, The drive assembly (42) includes a geared motor (421), a drive shaft (422), an eccentric wheel (423), a connecting rod sleeve (424), an upper connecting rod (425), a bearing housing (426), a rocker arm pin (427), a spherical bearing (428), and a lower connecting rod (429). The geared motor (421) is mounted on a mounting plate (41). The drive end of the geared motor (421) is connected to the eccentric wheel (423), the bearing housing (426), and the rocker arm pin (427) through the drive shaft (422). The connecting rod sleeve (424) is sleeved with the eccentric wheel (423). The connecting rod sleeve (424) is connected to the upper movable plate (44) of the sealing end through the upper connecting rod (425). The rocker arm pin (427) is connected to the spherical bearing (428) through a shaft pin. The spherical bearing (428) is connected to the lower movable plate (48) through the lower connecting rod (429).

7. The vacuum-sealing and nitrogen-filling paper can sealing device according to claim 1, characterized in that, The conveying mechanism (2) includes a driver (21), a transmission assembly (22), and several interconnected chain plates (23). The chain plates (23) are provided with several stepped slots (231) for limiting the movement of the products to be processed during the conveying process.

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