Continuous box sealing machine

Abstract

The utility model discloses a continuous box sealing machine which comprises a working table, a box sealing base is arranged on the working table, a lifting mechanism used for driving the box sealing base to ascend and descend is arranged below the box sealing base, a plurality of positioning openings used for containing packaging boxes are formed in the box sealing base, and a portal frame is arranged on the working table and corresponds to the upper portion of the box sealing base. A film placing device and a heat sealing device are arranged on the portal frame, and a discharging device is further arranged below the box sealing base. A material moving device is further arranged on the working table, a feeding station, a sealing station and a discharging station are sequentially arranged on the working table from front to back, the material moving device comprises a material moving air cylinder, the movable end of the material moving air cylinder is in linkage connection with a front material pushing rod and a rear material pushing rod, and the material moving air cylinder drives the front material pushing rod and the rear material pushing rod to move back and forth in a reciprocating mode. And when the rear material pushing rod pushes the sealed packaging box on the sealing station to the discharging station, the front material pushing rod pushes the unsealed packaging box on the discharging station to the sealing station. The box sewing machine can perform continuous box sewing operation, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing equipment, in particular to a continuous box sealer. Background Art

[0002] A box sealer is a device for sealing a packaging box containing products. After the products are loaded into the packaging box, in order to seal and preserve the products, maintain the product quality, and avoid product loss, it is necessary to seal the packaging box.

[0003] The traditional box sealer includes a box sealing base, and a plurality of positioning ports are arranged on the box sealing base. The packaging box containing products is placed in the corresponding positioning ports on the box sealing base. The film placing device places the film above the opening of the packaging box, and then the sealing device fixes the film to the packaging box through heat sealing. Finally, the sealed packaging box is taken out, and the above steps are repeated. Since this box sealer needs to take out the sealed packaging box and then put in the unsealed packaging box to perform the film heat sealing process, the interruption time is relatively long, and continuous box sealing cannot be achieved, which affects the work efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to provide a continuous box sealer, which can perform continuous box sewing operations and greatly improve the work efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a continuous box sealer, including a workbench, a box sealing base is arranged on the workbench, a lifting mechanism for driving the box sealing base to lift is arranged below the box sealing base, a plurality of positioning ports for placing the packaging box are arranged on the box sealing base, a gantry is arranged corresponding to the upper part of the box sealing base on the workbench, a film placing device for winding the film and a heat sealing device for heat sealing the film to the opening of the packaging box are arranged on the gantry, and a discharging device for ejecting the sealed packaging box is also arranged below the box sealing base; a material transfer device is also arranged on the workbench, a material placing station, a sealing station and a discharging station are arranged on the workbench in sequence from front to back, the material transfer device includes a material transfer cylinder, a front push rod and a rear push rod are linked and connected to the movable end of the material transfer cylinder, the material transfer cylinder drives the front push rod and the rear push rod to move back and forth, and when the rear push rod pushes the sealed packaging box on the sealing station to the discharging station, the front push rod pushes the unsealed packaging box on the material placing station to the sealing station at the same time.

[0006] By adopting the above technical scheme, when working, the unsealed packaging box is first placed on the discharge station, and the unsealed packaging box is pushed to the positioning opening on the sealing box seat of the sealing station by the material shifting device. At this time, the material shifting cylinder resets forward, and the unsealed packaging box is placed on the discharge station again, and the sealing process is performed at the sealing station, that is, the sealing box seat is driven to rise by the lifting mechanism, and the heat-sealing device heat-seals the film on the opening of the packaging box, and then the lifting mechanism drives the sealing box seat to descend, and the unsealed packaging box on the sealing box seat is pushed out by the unloading mechanism, and the material shifting cylinder moves backward again, and at the same time as the rear pushing rod pushes the sealed packaging box on the sealing station to the unloading station, the front pushing rod pushes the unsealed packaging box on the discharge station to the sealing station, and the reciprocating cycle is realized to realize continuous box sewing operation, which greatly improves the work efficiency.

[0007] The utility model is further configured such that the number of the material moving cylinders is two, and the two material moving cylinders are respectively arranged on the left and right sides of the box sealing seat, a guide rail with an extension direction parallel to the movement direction of the material moving cylinder is installed on the side of the material moving cylinder, the front pushing rod and the rear pushing rod are connected together by a side plate, the side plate is connected to the movable end of the material moving cylinder by a connecting plate, and a slider is installed on the side plate, and the slider slides in cooperation with the guide rail.

[0008] By adopting the above technical solution, it can be ensured that the material transfer cylinder drives the front push rod and the rear push rod to move forward or backward simultaneously and smoothly.

[0009] The utility model is further configured that the workbench is also provided with a plurality of groups of guide blocks whose number is equal to the positioning openings, the guide blocks are arranged in parallel as a group of two, and a guide channel for the package box to pass through is formed between the two guide blocks in each group.

[0010] By adopting the above technical solution, the guide channel guides the packaging box, and under the push of the front pushing rod, the packaging box on the unloading station can be accurately pushed into the positioning opening on the sealing seat of the sealing station.

[0011] The utility model is further configured that the discharging station is provided with a material guide plate extending obliquely rearward.

[0012] By adopting the above technical solution, it is convenient to guide the sealed packaging box into the finished product basket.

[0013] The utility model is further configured such that the film placing device includes a film placing rod for placing the film and a film collecting rod for collecting the film rotatably installed on the gantry, a first film roller rod and a second film roller rod for guiding the film installed on the front and rear sides of the gantry, and a driving motor installed on the gantry, and the motor shaft of the driving motor is connected to the film collecting rod through a gear transmission assembly.

[0014] By adopting the above technical solution, the function of film winding can be realized. After the film is heat-sealed on the packaging box, the film feeding device works to promote the translational movement of the film, and the unused area of the film is moved back above the sealing station, facilitating the quick progress of the next sealing process.

[0015] The present utility model is further configured such that the heat-sealing device includes a hot head mounting plate installed on the gantry and a plurality of hot heads equal in number to the positioning openings and installed at the bottom of the hot head mounting plate. A tool rest having a shape adapted to the opening contour of the packaging box is provided on the hot head.

[0016] By adopting the above technical solution, the film can be heat-sealed at the opening of the packaging box. The structure is simple and reliable, which is beneficial to assembly production.

[0017] The present utility model is further configured such that the lifting mechanism includes a mounting beam provided below the workbench. A first lifting cylinder is provided on the mounting beam. A bottom plate is connected to the extending end of the first lifting cylinder. The box-sealing seat is installed on the bottom plate. A plurality of first guide rods extending vertically are provided on the bottom plate, and a plurality of first guide sleeves sleeved on the outer circumference of the corresponding first guide rods are provided on the mounting beam.

[0018] By adopting the above technical solution, when the lifting mechanism drives the box-sealing seat to rise, the sealing process of the packaging box can be carried out. When the lifting mechanism drives the box-sealing seat to descend, the positioning of the un-sealed packaging box can be realized.

[0019] The present utility model is further configured such that the discharging device includes a discharging cylinder provided on the mounting beam. A mounting strip is provided on the extending end of the discharging cylinder, and a tray for ejecting the packaging box out of the corresponding positioning opening is installed on the mounting strip.

[0020] By adopting the above technical solution, when the discharging cylinder drives the tray to eject upward, the sealed packaging box can be ejected, and the discharging of the sealed packaging box is coordinated with the material transfer device. Description of the Drawings

[0021] Figure 1 is a schematic structural view of the whole of the present utility model from the first perspective;

[0022] Figure 2 is a schematic structural view of the whole of the present utility model from the second perspective;

[0023] Figure 3 is a schematic structural view of the material transfer device of the present utility model;

[0024] Figure 4 is a schematic structural view of the heat-sealing device of the present utility model;

[0025] Figure 5 is a schematic structural view of the lifting mechanism and the discharging device of the present utility model.

[0026] In the figure: 1, workbench; 2, box sealing seat; 3, lifting mechanism; 4, positioning port; 5, gantry; 6, film placing device; 7, heat sealing device; 8, discharging device; 9, material transferring device; 10, material transferring cylinder; 11, front pushing rod; 12, rear pushing rod; 13, guide rail; 14, side plate; 15, slider; 16, guiding block; 17, guiding channel; 18, material guiding plate; 19, film placing rod; 20, film winding rod; 21, first film roller rod; 22, second film roller rod; 23, driving motor; 24, gear transmission assembly; 25, ironing head mounting plate; 26, ironing head; 27, tool rest; 28, mounting beam; 29, first lifting cylinder; 30, bottom plate; 31, first guide rod; 32, first guide sleeve; 33, discharging cylinder; 34, mounting strip; 35, tray for holding boxes. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Embodiment: As shown in the attached Figures 1 to 5The continuous carton sealing machine shown includes a workbench 1, on which there is a carton sealing seat 2. Below the carton sealing seat 2, there is a lifting mechanism 3 for driving the lifting of the carton sealing seat 2. On the carton sealing seat 2, there are a plurality of positioning ports 4 for placing the packaging boxes. In this embodiment, the number of positioning ports 4 is four. Above the carton sealing seat 2 corresponding to the workbench 1, there is a gantry 5, and a protective plate can be arranged on the gantry 5. On the gantry 5, there is a film unwinding device 6 for unwinding the film and a heat sealing device 7 for heat-sealing the film at the opening of the packaging box. Below the carton sealing seat 2, there is also a discharging device 8 for ejecting the sealed packaging box. There is also a material transfer device 9 on the workbench 1. On the workbench 1, there are a feeding station, a sealing station, and a discharging station in sequence from front to back. The material transfer device 9 includes a transfer cylinder 10. On the movable end of the transfer cylinder 10, there is a front pusher rod 11 and a rear pusher rod 12 linked. The transfer cylinder 10 drives the front pusher rod 11 and the rear pusher rod 12 to move back and forth. And when the rear pusher rod 12 pushes the sealed packaging box at the sealing station to the discharging station, the front pusher rod 11 pushes the unsealed packaging box at the feeding station to the sealing station. During operation, first place the unsealed packaging box on the feeding station, and push the unsealed packaging box through the material transfer device 9 into the positioning port 4 on the carton sealing seat 2 at the sealing station. At this time, the transfer cylinder 10 resets forward, and places the unsealed packaging box on the feeding station again. The sealing process is carried out at the sealing station, that is, the lifting mechanism 3 drives the carton sealing seat 2 to rise, the heat sealing device 7 heat-seals the film at the opening of the packaging box, then the lifting mechanism 3 drives the carton sealing seat 2 to descend, and the discharging mechanism ejects the sealed packaging box on the carton sealing seat 2. Then the transfer cylinder 10 moves backward again. And when the rear pusher rod 12 pushes the sealed packaging box at the sealing station to the discharging station, the front pusher rod 11 pushes the unsealed packaging box at the feeding station to the sealing station, and circulates reciprocally to realize continuous carton sewing operation, greatly improving the work efficiency.

[0029] As shown in the Figure 3 attachment, the number of the transfer cylinders 10 is two, and the two transfer cylinders 10 are respectively arranged on the left and right sides of the carton sealing seat 2. A guide rail 13 with an extending direction parallel to the movement direction of the transfer cylinder 10 is installed on the side of the transfer cylinder 10. The front pusher rod 11 and the rear pusher rod 12 are connected together through a side plate 14. The side plate 14 is connected to the movable end of the transfer cylinder 10 through a connecting plate. And a slider 15 is installed on the side plate 14. The slider 15 is slidably matched with the guide rail 13. This design can ensure that the transfer cylinder 10 drives the front pusher rod 11 and the rear pusher rod 12 to move forward or backward simultaneously and smoothly.

[0030] As shown in the Figure 3As shown, the workbench 1 is also provided with multiple groups of guide blocks 16, the number of which is equal to the positioning openings 4, and the guide blocks 16 are arranged in parallel in a group of two, and a guide channel 17 for the package box to pass through is formed between the two guide blocks 16 in each group. The guide channel 17 guides the package box, and under the push of the front push rod 11, the package box on the unloading station can be accurately pushed into the positioning opening 4 on the sealing box seat 2 of the sealing station.

[0031] As attached Figure 2 As shown, the material guide plate 18 extending obliquely rearward is provided on the discharging station. This design is conducive to guiding the sealed packaging box into the finished product basket.

[0032] As attached Figure 1 As shown, the film placing device 6 includes a film placing rod 19 for placing the film and a film collecting rod 20 for collecting the film, which are rotatably mounted on the gantry 5, a first film rolling rod 21 and a second film rolling rod 22 for film guiding, which are mounted on the front and rear sides of the gantry 5, and a driving motor 23 mounted on the gantry 5. The motor shaft of the driving motor 23 is connected to the film collecting rod 20 through a gear transmission assembly 24. The gear transmission assembly 24 is composed of a driving gear and a driven gear. The driving gear is installed on the motor shaft of the driving motor 23 in a linkage manner, and the driven gear is installed on the film collecting rod 20 in a linkage manner. The driving gear and the driven gear are meshed. This design can realize the function of film winding. After the film is heat-sealed on the packaging box, the film placing device 6 works to cause the film to move in a translational manner, and the unused area of the film is moved back to the top of the sealing station, so as to facilitate the next sealing process to be carried out quickly.

[0033] As attached Figure 1 and attached Figure 4 As shown, the heat sealing device 7 includes a head mounting plate 25 mounted on the gantry 5 and a plurality of heads 26 mounted on the bottom of the head mounting plate 25, the number of which is equal to the number of the positioning openings 4, that is, the number of the heads 26 is four, and a knife holder 27 having a shape adapted to the opening contour of the packaging box is provided on the heads 26. This design can heat-seal the film at the opening of the packaging box, has a simple and reliable structure, and is convenient for assembly and production.

[0034] As attached Figure 1 and attached Figure 5As shown in the figure, the lifting mechanism 3 includes a mounting beam 28 disposed below the workbench 1. A first lifting cylinder 29 is provided on the mounting beam 28. A bottom plate 30 is connected to the extending end of the first lifting cylinder 29. The box sealing seat 2 is mounted on the bottom plate 30. A plurality of first guide rods 31 extending vertically are provided on the bottom plate 30. A plurality of first guide sleeves 32 sleeved on the outer periphery of the corresponding first guide rods 31 are provided on the mounting beam 28. In this embodiment, the number of the first guide rods 31 and the first guide sleeves 32 is two. The lifting mechanism 3 drives the box sealing seat 2 to rise to perform the box sealing process, and the lifting mechanism 3 drives the box sealing seat 2 to descend to position the un-sealed box.

[0035] As shown in the Figure 1 and Figure 5 figure, the discharging device 8 includes a discharging cylinder 33 disposed on the mounting beam 28. A mounting strip 34 is provided on the extending end of the discharging cylinder 33. A tray 35 for ejecting the box out of the corresponding positioning opening 4 is mounted on the mounting strip 34. Two second guide rods can be provided on the mounting strip 34, and a second guide sleeve for sleeving on the outer periphery of the second guide rods is provided on the bearing positioning plate of the discharging cylinder 33. In this embodiment, the number of the discharging cylinders 33 is two, and two trays 35 are connected to each mounting strip 34 through columns. When the discharging cylinder 33 drives the tray 35 to eject upward, the sealed box can be ejected, and the discharging device cooperates with the material transfer device 9 to discharge the sealed box.

Claims

1. Continuous box sealing machine, comprising a workbench (1), on which there is a box sealing seat (2), below the box sealing seat (2) there is a lifting mechanism (3) for driving the box sealing seat (2) to lift and lower, on the box sealing seat (2) there are a plurality of positioning ports (4) for placing packaging boxes, corresponding to the upper part of the box sealing seat (2) on the workbench (1) there is a gantry (5), on the gantry (5) there is a film releasing device (6) for winding up the film and a heat sealing device (7) for heat sealing the film at the opening of the packaging box, and below the box sealing seat (2) there is also a discharging device (8) for ejecting the box after sealing; characterized in that: A material transfer device (9) is further provided on the workbench (1). The workbench (1) is successively provided with a loading station, a sealing station, and an unloading station from front to back. The material transfer device (9) includes a material transfer cylinder (10). A front push rod (11) and a rear push rod (12) are linked and connected to the movable end of the material transfer cylinder (10). The material transfer cylinder (10) drives the front push rod (11) and the rear push rod (12) to reciprocate back and forth. And when the rear push rod (12) pushes the sealed packaging box at the sealing station to the unloading station, the front push rod (11) pushes the unsealed packaging box at the loading station to the sealing station at the same time.

2. The continuous carton sealing machine according to claim 1, wherein: The number of the material transfer cylinders (10) is two, and the two material transfer cylinders (10) are respectively arranged on the left and right sides of the box sealing seat (2). A guide rail (13) with an extending direction parallel to the moving direction of the material transfer cylinder (10) is installed on the side of the material transfer cylinder (10). The front push rod (11) and the rear push rod (12) are connected together through a side plate (14). The side plate (14) is connected to the movable end of the material transfer cylinder (10) through a connecting plate. And a slider (15) is installed on the side plate (14). The slider (15) is slidably matched with the guide rail (13).

3. The continuous carton sealer according to claim 1, wherein: A plurality of groups of guide blocks (16) with the same number as the positioning ports (4) are further arranged on the workbench (1). Two guide blocks (16) are arranged in parallel as a group, and a guide channel (17) for the packaging box to pass through is formed between the two guide blocks (16) of each group.

4. The continuous box sealing machine according to claim 1, wherein: A guide plate (18) extending obliquely backward is provided at the unloading station.

5. The continuous carton sealer according to claim 1, characterized in that: The film feeding device (6) includes a film feeding rod (19) for feeding the thin film and a film winding rod (20) for winding the thin film rotatably installed on the gantry (5), a first film roller rod (21) and a second film roller rod (22) for guiding the thin film installed on the front and rear sides of the gantry (5), and a driving motor (23) installed on the gantry (5). The motor shaft of the driving motor (23) is in transmission connection with the film winding rod (20) through a gear transmission assembly (24).

6. The continuous carton sealer according to claim 1, characterized in that: The heat sealing device (7) includes a hot head mounting plate (25) installed on the gantry (5) and a plurality of hot heads (26) with the same number as the positioning ports (4) installed at the bottom of the hot head mounting plate (25). A tool rest (27) with a shape adapted to the opening contour of the packaging box is provided on the hot head (26).

7. The continuous box-sealing machine according to claim 1, wherein: The lifting mechanism (3) includes a mounting beam (28) arranged below the workbench (1). A first lifting cylinder (29) is provided on the mounting beam (28). A bottom plate (30) is connected to the extending end of the first lifting cylinder (29). The box sealing seat (2) is installed on the bottom plate (30). A plurality of first guide rods (31) extending vertically are provided on the bottom plate (30). A plurality of first guide sleeves (32) sleeved on the outer periphery of the corresponding first guide rods (31) are provided on the mounting beam (28).

8. The continuous carton sealing machine according to claim 1, wherein: The discharging device (8) includes a discharging air cylinder (33) arranged on the mounting beam (28). An installation strip (34) is provided on the extending end of the discharging air cylinder (33), and a tray (35) for ejecting the packaging box out of the corresponding positioning opening (4) is mounted on the installation strip (34).

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