Hot melt glue sealing machine

By combining the design of the curved folding cover, guide plate, side folding component and roller brush component, the problem of sealing the top opening of the carton with hot melt glue sealing machine is solved, achieving wider applicability and better lid bonding effect.

CN224335887UActive Publication Date: 2026-06-09YONGYUXUAN INTELLIGENT TECHNOLOGY (SUZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YONGYUXUAN INTELLIGENT TECHNOLOGY (SUZHOU) CO LTD
Filing Date
2025-08-15
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing hot melt adhesive sealing machines have difficulty sealing open cartons with exposed tops, and the adhesion between carton lids is poor.

Method used

The design employs a combination of an arc-shaped folding cover, a guide plate, a side folding assembly, and a roller brush assembly. By coordinating the folding of the arc-shaped folding cover and the guide plate, and combining the action of the hot melt adhesive spraying device and the side folding assembly, the carton with an open opening can be sealed. The roller brush assembly further enhances the adhesion of the carton lid.

Benefits of technology

It achieves effective sealing of open-top cartons, significantly improves the bonding effect between the lids, and has a wider range of applications, suitable for both regular cartons and open-top cartons.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a hot melt adhesive carton sealing machine, belonging to the field of packaging equipment technology. It includes a conveyor roller frame, on which a conveying device is mounted, extending movably to the upper side of the conveyor roller frame. A screw lifting module is fixedly connected to the conveyor roller frame, and a lifting frame is located inside the screw lifting module, corresponding to the conveying device on the upper side of the conveyor roller frame. A guide plate is fixedly connected to the lifting frame, and an arc-shaped folding cover plate is fixedly connected to one end of the guide plate. In this utility model, two side folding components, in conjunction with two second telescopic cylinders, fold the two side covers of the carton. During the folding process, the two side covers press down on the front and rear covers, causing them to fold completely. This achieves the sealing of open-top cartons without affecting the top of the product. Furthermore, the sealing machine can also seal conventional cartons using the same method for open-top cartons, thus broadening its applicability.
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