Glue printing device and inner box manufacturing process for fully open packaging box

Abstract

The present invention relates to the field of packaging machinery technology and discloses a material-retrieving and glue-printing assembly comprising a base with an upward and downward movable travel, the base being connected to a plurality of glue-printing plates, and an elastic guide assembly disposed on one side of the glue-printing plates. The elastic guide assembly is connected to a suction nozzle, which extends below the bottom end of the glue-printing plates. The present invention also discloses a glue-printing device comprising the aforementioned glue-printing assembly, capable of simultaneously retrieving material and printing glue, and also enabling rapid glue printing. The present invention also discloses a process for manufacturing the inner box of a fully open packaging box, which improves gluing efficiency and ensures gluing quality.

Description

Technical Field

[0001] The invention belongs to the technical field of packaging machinery, and in particular relates to a rubber printing component, a rubber printing process and a process for manufacturing an inner box of a fully open packaging box. Background Art

[0002] Chinese invention patent publication number CN108544795A discloses a paper box manufacturing device and method thereof. The device includes a lower cover gluing mechanism, including a glue scraping unit and a glue head unit. The glue scraping unit scrapes once every 45-degree rotation of the turntable to ensure a uniform layer of glue supply, while the glue head unit can complete the process of gluing the glue from the glue scraping unit to the four sides of the lower cover during the 45-degree rotation of the turntable, thereby completing the gluing of the four sides of the lower cover during each box blank molding process. The glue head unit is composed of four printing plates, which are dipped in glue and then pressed against the upper surface of the lower cover by the push of horizontal and vertical cylinders to complete the glue printing process.

[0003] This process requires relatively low production efficiency. In the packaging industry, it's typically used for low-speed cigarette pack production. The glue applicator is driven by two horizontal and vertical cylinder modules, achieving a maximum glue application rate of two seconds. This means the glue scraper's momentum is minimal during operation, keeping glue contamination under control.

[0004] However, in the production process of medium-speed cigarette packs, the production efficiency is required to be at least twice as high, and the glue dipping frequency of the gluing head is higher. The speed of this gluing process not only fails to meet the process requirements, but also the degree of contamination of the gluing head will be deepened. Therefore, it is necessary to improve this. Summary of the Invention

[0005] Based on the above background, the technical problem to be solved by the present invention is to propose a printing and glue component that can meet the production efficiency requirements of medium-speed cigarette packs; another technical problem to be solved by the present invention is to propose a gluing device that can achieve rapid gluing; another technical problem to be solved by the present invention is to provide an inner box production process for a fully-open packaging box, which can achieve rapid loading and gluing of the ground cover, and can improve the production efficiency of the overall packaging box process.

[0006] The present invention is implemented as follows: a material-taking rubber printing assembly includes a base with an up and down movable stroke, the base is connected to a plurality of rubber printing plates, an elastic guide assembly is provided on one side of the rubber printing plates, the elastic guide assembly is connected to a suction nozzle, and the suction nozzle extends below the bottom end of the rubber printing plates.

[0007] Furthermore, the elastic guide assembly includes a spring, a connecting rod and a sliding module. The bottom end of the connecting rod is connected to the suction nozzle, the peripheral surface is sleeved with the spring, and the other end is connected to the sliding module.

[0008] Furthermore, a plurality of the printing plates are sequentially connected end to end to enclose a space, the other end of the connecting rod passes through the space and extends to the top of the base, and one end of the spring is limited by the lower bottom surface of the base.

[0009] Compared to existing technologies, this component combines both material suction and adhesive printing. Initially, the nozzle draws in the substrate, ensuring no interference between the substrate and the adhesive printing plate. As the nozzle presses downward, it rises, bringing the substrate into contact with the adhesive printing plate and applying adhesive. This dual function facilitates redesign of the loading, adhesive printing, and molding processes within the packaging box production process.

[0010] A printing glue device includes a turntable with an up and down movable stroke, the turntable having multiple extensions, the extensions being connected to the above-mentioned material-taking printing glue assembly, a fixed workstation correspondingly arranged below each of the extensions, a printing glue pool being arranged at one of the workstations, and a limiter for limiting the downward position of the connecting rod being also arranged at the workstation.

[0011] Furthermore, the rotation of the turntable is divided into four sections, and the stations include a glue dipping station, a suction station, a glue printing station and a glue washing station; wherein,

[0012] The glue dipping station is correspondingly provided with the glue pool, and the glue plate has a movable stroke extending into the glue pool. During the stroke, the spring is in a compressed state.

[0013] Furthermore, a feeding mechanism is provided below the suction station, and the feeding mechanism can continuously supply materials upward.

[0014] Furthermore, a carrier is provided below the printing station, and the carrier can limit the downward position of the suction nozzle.

[0015] Furthermore, a washing device is provided below the glue washing station, and the washing device can clean the printing rubber plate.

[0016] Compared with the prior art, the glue printing device provided by the present invention changes the automatic glue application method of the printing substrate, optimizes the workstation setting, frees up the space occupied by the original glue printing device on the machine, and can reserve some workstations for glue washing to control the glue application quality; it uses a turntable to simultaneously complete the actions in multiple workstations, and has higher production efficiency.

[0017] The inner box manufacturing process of a fully open packaging box includes a rotatable main turntable with at least four workstations arranged on the main turntable; wherein,

[0018] Using the above-mentioned printing process, the first station provides the glued floor cover material.

[0019] The second station provides a block-shaped inner mold material with a surrounding frame wrapped around it. The inner mold material presses down the floor cover material, and the surrounding frame and the floor cover material are glued together to form a shape.

[0020] The third station provides the cover material, which is pressed down to cover the top surface of the inner mold material and folded to form a box blank.

[0021] At the fourth station, adhesive tape is applied to the four corners of the box blank to form an inner box.

[0022] The inner box manufacturing process of the fully open packaging box provided by the present invention has the following beneficial effects compared with the prior art:

[0023] (1) The production efficiency of the inner box is higher, and the rhythm in the gluing process can be synchronized with it, and the quality can be guaranteed.

[0024] (2) The transfer distance of semi-finished products in this process is shortened, the integration of corresponding workstations is higher, and the device occupies a smaller area. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the use status of the box product in an embodiment of the present invention;

[0026] Figure 2 This is a partial structural diagram of embodiment 1 of the present invention;

[0027] Figure 3 This is a partial structural diagram of embodiment 2 of the present invention;

[0028] Figure 4 This is a partial structural diagram of Embodiment 3 of the present invention;

[0029] Figure 5 This is a partial structural diagram of Embodiment 4 of the present invention;

[0030] Figure 6 This is a process flow chart of Example 4 of the present invention;

[0031] In the picture:

[0032] Recycling and printing components 10 base 11 connecting rod 12 spring 13 nozzle 14 Printing board 15 Connecting plate 16 hole 17 scroll wheel 18 turntable 51 Glue dipping station 511 Suction station 512 Glue printing station 513 Glue washing station 514 Substrate 8 spindle 52 Glue printing device 50 Glue scraping mechanism 20 printing glue pool 21 Loading device 30 First workstation 41 Second workstation 42 The third workstation 43 The fourth workstation 44 Main turntable 40 Box blank 60a Inner mold material 61a Ground cover materials 62a Canopy materials 63a Box products 60 Limiting parts 9 DETAILED DESCRIPTION

[0033] The following is a further description of specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is intended to facilitate understanding of the present invention and does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0034] For easier understanding, please refer to Figure 1 , Figure 1 A common fully open packaging box 60 is shown. This type of box has a wide range of uses, such as various high-end cigarette boxes. This box primarily comprises a frame 61, a base cover 62 that fits around the frame, and a top cover 63 that is hinged to the base cover 62, allowing it to be flipped open and closed. Several embodiments of the present invention are centered around the manufacturing process for this box type, and in some aspects, can be applied to the entire packaging field.

[0035] Example 1:

[0036] Figure 2 A specific embodiment of a material-taking and printing rubber assembly 10 provided by the present invention mainly includes a base 11, which is used to be connected to a power device so that it can move automatically up and down. A through hole is opened on the base, and a connecting rod 12 passes through the hole. The top of the rod (with reference to the paper) is indirectly connected to the upper bottom surface of the base 11 through a sliding module, so that the rod can slide relative to the base 11 under the action of an external force; the bottom end of the connecting rod 12 is connected to a suction nozzle 14, an air path is opened inside the connecting rod 12, and a spring 13 is sleeved on the rod portion between the lower bottom surface of the base 11 and the suction nozzle 14.

[0037] Blanket printing plates 15 are mounted directly or indirectly beneath base 11. Four blank printing plates 15 are connected end to end to form a rectangle, and suction nozzles 14 extend below the bottom ends of the blank printing plates 15. When base 11 is pressed downward, the substrate first presses against suction nozzles 14, causing connecting rods 12 to move upward until they are flush with the bottom ends of the blank printing plates 15. This transfers the glue on the bottom ends of the blank printing plates 15 to the substrate.

[0038] Example 2:

[0039] like Figure 3 To facilitate fine-tuning and removal of the connecting rod 12, a connecting plate 16 is used to indirectly mount the printing plate 15. The upper surface of the connecting plate 16 slides with the lower surface of the base 11 via a sliding groove and slider structure. The top of the spring 13 is still limited by the limit plate 11. Conveniently, the connecting rod 12 can be adjusted within the hole 17 to accommodate substrates of different specifications.

[0040] The above two embodiments not only achieve the dual functions of material removal and rubber printing, but also the connecting rod 12 and spring 13 can play a role in demolding after printing on the rubber plate. Due to the effect of glue, there is still adhesion between the rubber plate 15 and the substrate, and external force is required for demolding. However, the connecting rod 12 and spring 13 are hidden inside the rubber plate, and can apply a downward force to the substrate from the center of the printing area to cause it to fall off.

[0041] Example 3:

[0042] Figure 4In the automatic gluing device 50 of the above embodiment, the material printing glue assembly 10 is connected to a rotating main shaft 52. The main shaft 52 is rotated and can move up and down at the same time. A turntable 51 is set at the bottom of the main shaft 52, and the rotating shaft 51 is provided with four extensions, which are fixedly connected to the base 11. Below the extensions are sequentially provided with a glue dipping station 511, a suction station 512, a glue printing station 513, and a glue washing station 514. Among them, a glue printing pool is provided at the glue dipping station 511, and a limiter 9 is also provided above the glue printing pool, and a roller 18 is added to the top of each corresponding connecting rod 12. When the main shaft 52 drives the turntable 51 to rotate, it moves downward at the glue dipping station 511, and the material printing glue assembly 10 enters the glue printing pool to dip in glue. At the same time, the limiting member 9 limits the roller 18 to prevent the suction nozzle 14 from descending, and the spring 13 is in a compressed state until the bottom end of the printing plate 15 is lower than the lower end of the suction nozzle 14. The printing plate 15 enters the printing rubber pool to complete the dipping.

[0043] The main shaft 52 moves upward, the spring 13 returns to its original length, and the suction nozzle 14 re-extends to the bottom of the printing plate 15. When the main shaft rotates to the suction station 512, the material is sucked.

[0044] In this embodiment, an upward feeding device is provided below the suction station 512, enabling the suction nozzle 14 to continuously draw the printing substrate 8 from the suction station 512. A carrier is provided below the printing station 513. When the spindle 52 descends, the carrier receives the printing substrate 8 and applies an upward force to the suction nozzle, transferring the glue from the printing plate 15 to the upper surface of the printing substrate. When the spindle 52 ascends, the suction nozzle 14 presses against the printing substrate 8, and the printing plate 15 is first separated from the substrate. The spring 13 then returns to its original length until it is free of the printing substrate 8.

[0045] At the glue washing station 514, the printing plate 15 is cleaned by ultrasonic and detergent and then air-dried. The automatic gluing is completed.

[0046] This gluing device is suitable for partial gluing of flat cardboard or tissue paper. The spindle 52 has only three strokes: descending, ascending, and rotating. During each stroke, the corresponding processes at four stations are performed simultaneously, significantly reducing the time required for each step and improving production efficiency. The four-station setup is compatible with substrate loading devices, and the glue contamination problem is further addressed through a glue washing step, ensuring production quality.

[0047] Example 4:

[0048] Combine Figure 5-Figure 6In this embodiment, a process for producing an inner box of a fully open packaging box is proposed for producing a box product 60. At least four workstations are set on the main turntable 40, namely the first workstation 41, the second workstation 42, the third workstation 43 and the fourth workstation 44. The first workstation 41 is connected to the automatic gluing device 50 in the above embodiment, and a carrier is set on the workstation.

[0049] The automated gluing device 50 includes a scraper mechanism 20 at the glue dipping station 511. This scraper mechanism 20 comprises a glue reservoir 21 and a scraper assembly. The scraper assembly repeatedly scrapes glue back and forth across the bottom surface of the reservoir 21, forming a thin layer of glue. The glue plate 15 in the glue removal assembly 10 then dips glue from the reservoir. A stopper 9 is provided on one side of the scraper mechanism 20. Below the suction station 512 is a loading device 30, which stacks incoming floor coverings 62a. An electric push rod at the bottom of the loading device lifts the incoming floor coverings upward for suction by the suction nozzle 14. A washing tank and ultrasonic device are located at the glue washing station 514.

[0050] After being dipped in the glue pool 21 , the printing plate 15 rotates to the suction station 512 to absorb the floor cover material 62 a , and then continues to rotate to the top of the carrier at the first station 41 on the main turntable and presses down, so that the printing plate 15 applies glue to the four sides of the floor cover material 62 a .

[0051] The second station 42 is connected to the frame forming device, and the surrounding strips are formed around the block-shaped inner mold to form the inner mold raw material 61a. When entering the second station, the floor cover raw material 62a is pressed down to make the four sides adhere to the frame.

[0052] A loading device 30 is provided beside the third station 43 for continuously conveying the roof cover material 63a upwards, pressing the roof cover 63a down onto the inner mold material 61a and folding it over to wrap the inner mold stroke box blank 60a.

[0053] A corner pasting mechanism is provided next to the fourth station 44 for pasting the four adhesive strips of the box blank 60a with adhesive tape to form an inner box.

[0054] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0055] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0056] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0057] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0058] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A rubber printing device, characterized in that The invention comprises a turntable with an up and down movable stroke, the turntable having a plurality of extensions, the extensions being connected to the material taking and printing rubber assembly, and is characterized in that: The rubber printing assembly includes a base with an upward and downward movable travel, a through hole formed therein, a plurality of rubber printing plates connected to the base, and the plurality of rubber printing plates are sequentially connected end to end to form a space, in which an elastic guide assembly is provided, the elastic guide assembly including a spring and a connecting rod, one end of the connecting rod passing through the hole and extending to the top of the base, the other end of the connecting rod connected to a suction nozzle, the suction nozzle extending below the bottom end of the rubber printing plate; the circumferential surface of the connecting rod is sleeved with the spring, and one end of the spring is limited by the bottom surface of the base; A fixed station is correspondingly provided below each of the extensions. The travel of one rotation of the turntable is divided into four sections. The stations include a glue dipping station, a suction station, a glue printing station, and a glue washing station arranged in sequence. A glue printing pool is provided corresponding to the glue dipping station. A limiter is also provided on the station for limiting the downward position of the connecting rod. The glue printing plate has a movable travel extending into the glue printing pool. During the travel, the spring is in a compressed state. A roller is installed on the top of each connecting rod. The turntable rotates to the glue dipping station and moves downward. The printing glue assembly enters the printing glue pool to dip in glue. At the same time, the limiter limits the roller to prevent the suction nozzle from moving downward. The spring is in a compressed state until the bottom end of the printing glue plate is lower than the lower end of the suction nozzle, and the printing glue plate enters the printing glue pool to complete the dipping.

2. The rubber printing device according to claim 1, characterized in that: The elastic guide assembly further includes a sliding module, and the top end of the connecting rod is connected to the sliding module.

3. The rubber printing device according to claim 1, characterized in that: A feeding mechanism is provided below the suction station, and the feeding mechanism can continuously supply materials upward.

4. The rubber printing device according to claim 1, characterized in that: A carrier is provided below the glue printing station, and the carrier can limit the downward position of the suction nozzle.

5. The rubber printing device according to claim 1, characterized in that: A washing device is provided below the glue washing station, and the washing device can clean the printing rubber plate.

6. The inner box manufacturing process of the fully open packaging box is characterized by It includes a rotatable main turntable, on which at least four workstations are arranged; wherein, Using the glue printing device according to any one of claims 1 to 5, providing glued floor covering materials at a first station, The second station provides a block-shaped inner mold material with a surrounding frame wrapped around it. The inner mold material presses down the floor cover material, and the surrounding frame and the floor cover material are glued together to form a shape. The third station provides the cover material, which is pressed down to cover the top surface of the inner mold material and folded to form a box blank. At the fourth station, adhesive tape is applied to the four corners of the box blank to form an inner box.

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