Film laminating device for packaging box processing

By combining an electric push rod, connecting plate, spring, and extrusion component, along with a limiting frame and negative pressure fan, the problem of air bubbles between the film and the packaging box is solved, achieving a high-quality lamination effect.

CN224276451UActive Publication Date: 2026-05-26XINYU XINMING ZHIPENG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINYU XINMING ZHIPENG TECH CO LTD
Filing Date
2025-06-23
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing lamination methods are prone to generating air bubbles between the film and the packaging box, which affects the lamination quality.

Method used

By using an electric push rod, connecting plate, spring and extrusion component, combined with a limiting frame and negative pressure fan, the air bubbles between the film and the packaging box are expelled through the adhesion of the extrusion component to the packaging box and negative pressure adsorption.

Benefits of technology

It achieves a stable bond between the film and the packaging box, effectively removes air bubbles, improves the quality of the film coating, and is suitable for packaging large-sized boxes.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a film laminating device for packaging box processing, and belongs to the technical field of carton production, the film laminating device comprises a machine table, guide rollers are arranged on both sides of the machine table, an adsorption platform is arranged below the middle of the machine table, a dust cover is arranged above the middle of the machine table, an electric push rod is arranged at the top of the dust cover, and a connecting plate is arranged at the bottom of the electric push rod; springs are arranged at the bottoms of the connecting plates, and extrusion pieces are arranged at the bottoms of the springs. According to the scheme, the electric push rod, the connecting plate, the spring and the extrusion part are arranged, in the production process, through organic cooperation of the extrusion part and the electric push rod, the extrusion part can enable a film to be stably attached to the packaging box, and the spring provides extrusion force so that contact pressure can be kept between the film and the packaging box; therefore, bubbles between the film and the packaging box can be discharged conveniently, and a good film covering effect is achieved.
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Description

Technical Field

[0001] This application relates to the field of paper box production technology, and in particular to a laminating device for packaging box processing. Background Technology

[0002] Due to its comprehensive advantages in environmental protection, lightweight, cost-effectiveness, processing flexibility, protective performance, and consumer acceptance, paper boxes have become an important and popular packaging solution. Especially under the current trend of emphasizing green consumption, the importance of paper box packaging has become more prominent. In the process of market upgrading, paper boxes are also gradually developing towards high-end, including the use of high-quality paper, exquisite craftsmanship, innovative structure, and beautiful design. In order to meet the requirements of aesthetics, durability, and functionality, packaging boxes need to be laminated.

[0003] Existing laminating mechanisms have a film limiting mechanism to fix the film edge and limit the position of the film relative to the packaging box. However, there are still cases where air bubbles cannot be discharged between the film and the packaging box, which affects the laminating quality.

[0004] Therefore, this application provides a film-coating apparatus for packaging box processing to meet the needs. Utility Model Content

[0005] In view of this, the purpose of this application is to provide a laminating device for packaging box processing, so as to fix the film while squeezing out air bubbles between the film and the packaging box, thereby improving the laminating quality.

[0006] To solve the above-mentioned technical problems, this application provides the following technical solution:

[0007] A laminating device for packaging box processing includes a machine base, guide rollers on both sides of the machine base, an adsorption platform at the lower center of the machine base, a dust cover at the upper center of the machine base, an electric push rod at the top of the dust cover, a connecting plate at the bottom of the electric push rod, a spring at the bottom of the connecting plate, and a pressing element at the bottom of the spring, the pressing element being arranged parallel above the adsorption platform.

[0008] Preferably, the top of the adsorption platform is provided with a rectangular array of through holes, the interior of the adsorption platform is hollow, and a negative pressure fan is provided at the bottom of the adsorption platform.

[0009] Preferably, the bottom surface of the extruded part is provided with a Teflon coating with a low coefficient of friction.

[0010] Preferably, the extrusion piece is provided with an electric heating plate inside.

[0011] Preferably, the bottom edge of the extruder is provided with a positioning element, and the top of the adsorption platform is provided with a positioning hole.

[0012] Preferably, a limiting frame is fitted on the outer side of the extrusion member, the limiting frame is connected to the connecting plate, and the bottom surface of the limiting frame is provided with a height difference of 1cm from the bottom surface of the extrusion member.

[0013] Preferably, the bottom surface of the limiting frame is fitted with an adhesive strip.

[0014] Preferably, the lateral dimension of the dust cover is larger than the dimension of the adsorption platform.

[0015] Preferably, two sets of guide rollers are respectively provided on both sides of the machine platform, with two guide rollers in each set, and the two guide rollers in each set are arranged vertically and parallel to each other.

[0016] Preferably, a groove is provided at the center of the top of the machine tool, and the width of the groove opening is the same as the width of the adsorption platform.

[0017] Compared with the prior art, this application has at least the following advantages:

[0018] In the above solution, by setting up an electric push rod, a connecting plate, a spring, and an extrusion component, during the production process, the extrusion component and the electric push rod work together to ensure that the film and the packaging box are stably bonded. The spring provides extrusion force to maintain contact pressure between the film and the packaging box, thereby facilitating the removal of air bubbles between the film and the packaging box and achieving a good film coating effect.

[0019] In the above solution, by setting a limiting frame and an extrusion component, the limiting frame further guides and limits the extrusion component. The limiting frame can press the film onto the adsorption platform. Through the cooperation of the adsorption platform and the negative pressure fan, the air bubbles between the packaging box and the film are sucked out, ensuring a good fit between the packaging box and the film. This solution is suitable for packaging large-sized packaging boxes. Attached Figure Description

[0020] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present disclosure and, together with the specification, further serve to explain the principles of the present disclosure and enable those skilled in the art to implement and use the present disclosure.

[0021] Figure 1 This is a schematic diagram of the overall structure in this application;

[0022] Figure 2 This is a schematic diagram of the machine tool structure in this application;

[0023] Figure 3 This is a schematic diagram of the extrusion structure in this application;

[0024] Figure 4 This is a schematic diagram of the negative pressure fan structure in this application;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the limiting frame in this application;

[0026] [Figure Labels]

[0027] Machine base 1, guide roller 101, adsorption platform 2, negative pressure fan 201, dust cover 3, electric push rod 301, connecting plate 302, spring 303, extrusion part 304, electric heating plate 3041, positioning part 3042, limit frame 305, adhesive strip 3051. Detailed Implementation

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4 The present application provides a packaging box processing laminating device, which includes a machine base 1, guide rollers 101 on both sides of the machine base 1, an adsorption platform 2 at the lower center of the machine base 1, a dust cover 3 at the upper center of the machine base 1, an electric push rod 301 at the top of the dust cover 3, a connecting plate 302 at the bottom of the electric push rod 301, a spring 303 at the bottom of the connecting plate 302, and an extrusion member 304 at the bottom of the spring 303. The extrusion member 304 is arranged parallel to the top of the adsorption platform 2.

[0029] By connecting to the upstream film winding and unwinding device, the film is placed on the guide roller 101, and the packaging box is placed on the adsorption platform 2. The electric push rod 301 drives the connecting plate 302 to move downwards and closer to the packaging box. After the extrusion member 304 contacts the film, it drives the film to move towards the packaging box until the film and the packaging box are stably bonded. At this time, the spring 303 provides extrusion force to maintain contact pressure between the film and the packaging box, thereby facilitating the discharge of air bubbles between the film and the packaging box and achieving a good coating effect.

[0030] In this embodiment, as Figures 2-5 As shown, the top of the adsorption platform 2 is provided with a rectangular array of through holes, the interior of the adsorption platform 2 is hollow, and the bottom of the adsorption platform 2 is provided with a negative pressure fan 201.

[0031] By combining the adsorption platform 2 with the negative pressure fan 201, the negative pressure can be used to adsorb the packaging box on the adsorption platform 2 to achieve a fixed effect and prevent the cardboard box from shifting.

[0032] The bottom surface of the extruded part 304 is coated with a Teflon coating with a low coefficient of friction;

[0033] The 304 extrusion part has a smooth surface and a low coefficient of friction, which can reduce the possibility of the 304 extrusion part scratching the film and protect the film.

[0034] An electric heating plate 3041 is provided inside the extrusion part 304;

[0035] The extrusion 304 is heated by the heating plate 3041. After the extrusion 304 comes into contact with the film, it is heated to soften it and reduce the occurrence of wrinkles.

[0036] The bottom edge of the extrusion part 304 is provided with a positioning part 3042, and the top of the adsorption platform 2 is provided with a positioning hole;

[0037] After the extrusion part 304 contacts the adsorption platform 2, the positioning part 3042 guides and positions the extrusion part 304 to maintain the state of the extrusion part 304 relative to the adsorption platform 2, which is conducive to removing air bubbles on the packaging box.

[0038] A limiting frame 305 is fitted on the outer side of the extrusion part 304. The limiting frame 305 is connected to the connecting plate 302. There is a 1cm height difference between the bottom surface of the limiting frame 305 and the bottom surface of the extrusion part 304.

[0039] Under the action of the limiting frame 305, the extrusion part 304 is further guided and limited, so that the extrusion part 304 can only move in a relatively vertical direction. After the extrusion part 304 contacts the packaging box, the limiting frame 305 can still move downward until the limiting frame 305 presses the film onto the adsorption platform 2. Through the cooperation of the adsorption platform 2 and the negative pressure fan 201, the air bubbles between the packaging box and the film are sucked out, ensuring good adhesion between the packaging box and the film. It is suitable for packaging large-sized packaging boxes.

[0040] The bottom surface of the limiting frame 305 is fitted with an adhesive strip 3051;

[0041] The adhesive strip 3051 protects the contact area between the limiting frame 305 and the film, preventing damage to the film.

[0042] The lateral dimension of the dust cover 3 is larger than the dimension of the adsorption platform 2;

[0043] By setting up a dust cover 3, dust is reduced from settling on the adsorption platform 2, thereby reducing the risk of the packaging box being contaminated by dust and improving the quality of the coating.

[0044] Two sets of guide rollers 101 are respectively set on both sides of the machine base 1. Each set of guide rollers 101 consists of two rollers, and the two guide rollers 101 in each set are arranged parallel to each other vertically.

[0045] The film is passed through the gap between the two guide rollers 101, and the guide rollers 101 limit the film to prevent it from wrinkling or shifting.

[0046] A groove is provided at the center of the top of the machine 1, and the width of the groove opening is level with the adsorption surface;

[0047] The groove on the side of machine 1 is designed to facilitate the handling of packaging boxes and improve production efficiency.

Claims

1. A laminating device for packaging box processing, characterized in that, The machine includes a machine base (1), with guide rollers (101) on both sides of the machine base (1), an adsorption platform (2) at the lower center of the machine base (1), a dust cover (3) at the upper center of the machine base (1), an electric push rod (301) at the top of the dust cover (3), a connecting plate (302) at the bottom of the electric push rod (301), a spring (303) at the bottom of the connecting plate (302), an extrusion piece (304) at the bottom of the spring (303), and the extrusion piece (304) is arranged parallel above the adsorption platform (2).

2. The film-coating device for packaging box processing according to claim 1, characterized in that: The top of the adsorption platform (2) is provided with through holes arranged in a rectangular array, the interior of the adsorption platform (2) is hollow, and the bottom of the adsorption platform (2) is provided with a negative pressure fan (201).

3. The film-coating device for packaging box processing according to claim 1, characterized in that: The bottom surface of the extrusion (304) is provided with a Teflon coating with a low coefficient of friction.

4. The film-coating device for packaging box processing according to claim 1, characterized in that: The extrusion piece (304) is provided with a heating plate (3041) inside.

5. The film-coating device for packaging box processing according to claim 1, characterized in that: The bottom edge of the extruder (304) is provided with a positioning element (3042), and the top of the adsorption platform (2) is provided with a positioning hole.

6. The film-coating device for packaging box processing according to claim 1, characterized in that: A limiting frame (305) is fitted on the outer side of the extrusion part (304). The limiting frame (305) is connected to the connecting plate (302). The bottom surface of the limiting frame (305) and the bottom surface of the extrusion part (304) have a height difference of 1 cm.

7. The film-coating apparatus for packaging box processing according to claim 6, characterized in that: The bottom surface of the limiting frame (305) is fitted with an adhesive strip (3051).

8. The film-coating device for packaging box processing according to claim 1, characterized in that: The lateral dimension of the dust cover (3) is larger than that of the adsorption platform (2).

9. The laminating apparatus for packaging box processing according to claim 1, characterized in that: Two sets of guide rollers (101) are respectively provided on both sides of the machine platform (1). Each set of guide rollers (101) consists of two rollers, and the two guide rollers (101) in each set are arranged in parallel vertically.

10. The film-coating apparatus for packaging box processing according to claim 1, characterized in that: The top center of the machine platform (1) has a groove, and the width of the groove opening is the same as the width of the adsorption platform (2).