A kind of gluing device for packaging carton processing

By adjusting the distance between the glue coating roller and the support roller and by setting up a smoothing brush, the problem that the glue coating machine could not adapt to cartons of different thicknesses was solved, thus improving the glue coating quality and production efficiency.

CN224528166UActive Publication Date: 2026-07-21GUANGXI YINIAN PACKAGING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGXI YINIAN PACKAGING CO LTD
Filing Date
2025-08-26
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing glue coating machines cannot flexibly adjust the distance between the rotating roller and the glue coating roller, making it difficult to adapt to the glue coating of packaging cartons of different thicknesses, and the uneven glue coating affects the bonding strength of the cartons and production efficiency.

Method used

By rotating the adjusting bolt and threaded seat, the glue applicator is moved to adjust the distance between the glue applicator roller and the support roller. A smoothing brush and a retaining spring are installed on the top of the glue applicator roller to ensure that the glue is applied evenly.

Benefits of technology

This invention enables the gluing device to adapt to cartons of different thicknesses, improves gluing quality and bonding strength, reduces production failure rate and defect rate, and enhances production stability and enterprise competitiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of gluing devices for packaging carton processing, including abutment, the top of the abutment is fixedly connected with portal frame, the supporting roller for guiding and conveying to be packaged carton is installed on the portal frame, the position of the portal frame and corresponding the supporting roller is installed with the gluing assembly matched with the supporting roller and used.By rotating adjusting bolt cooperation thread seat and driving gluing frame to move, gluing roller and supporting roller distance can be flexibly adjusted, and the gluing needs of different thickness packaging carton are adapted, and the versatility and production efficiency of the device are enhanced;Flatting brush is set on the top of gluing roller, and the flatting brush is always closely abutted with gluing roller by cooperating with the abutment spring on the top of glue injection shell, so that the glue can be evenly applied, and the gluing quality and adhesive strength of packaging carton are improved;Overall improvement design reduces production failure rate and defective rate, and operation and maintenance are simple, which effectively improves production stability, reliability and enterprise market competitiveness.
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Description

Technical Field

[0001] This utility model relates to the field of glue coating equipment technology, and in particular to a glue coating equipment for processing packaging cartons. Background Technology

[0002] With the booming development of the packaging industry, the demand for cardboard boxes, as an important protective carrier for goods transportation and storage, is increasing daily. The gluing process, a crucial step in cardboard box manufacturing, directly affects the bonding strength and overall quality of the boxes. Therefore, efficient and precise gluing equipment is essential for improving the production efficiency and product quality of cardboard boxes.

[0003] In the prior art, such as the packaging carton gluing machine disclosed in publication number CN215283626U, the structure mainly includes a worktable, a drive assembly, a first rotating shaft, a transmission assembly, a rotating roller, a gluing roller, and a glue storage tank. During operation, the drive assembly drives the rotating roller and the gluing roller to rotate in opposite directions between two support plates via the first rotating shaft and the transmission assembly. A gap exists between the rotating roller and the gluing roller, with the gluing roller located below the rotating roller. The glue storage tank is positioned below the gluing roller to provide glue. However, this technical solution has significant limitations.

[0004] On the one hand, the distance between the rotating roller and the gluing roller is fixed and not easily adjustable. In actual production, the thickness of packaging cartons varies depending on factors such as product type and specifications. Because this gluing machine cannot flexibly adjust the distance between the rotating roller and the gluing roller, it is difficult to apply glue to packaging cartons of different thicknesses during use. When encountering thicker or thinner cartons, problems such as uneven glue application and carton jamming may occur, seriously affecting production efficiency and product quality.

[0005] On the other hand, this glue applicator is not conducive to evenly applying glue to the glue applicator roller. The uniformity of glue application on the glue applicator roller directly affects the glue application quality of the packaging cartons. If the glue is not applied evenly, the cartons will not be firmly bonded and will easily peel off, thus affecting the performance of the packaging cartons and the safety of the goods. However, the existing glue applicator lacks an effective glue even application device, which cannot guarantee the uniform distribution of glue on the glue applicator roller, thereby reducing the glue application quality of the packaging cartons. Utility Model Content

[0006] The purpose of this invention is to provide a gluing device for packaging cartons. By rotating the adjusting bolt and engaging the threaded seat, the gluing frame can be moved, allowing for flexible adjustment of the distance between the gluing roller and the support roller. This adapts to the gluing requirements of packaging cartons of different thicknesses, enhancing the device's versatility and production efficiency. A smoothing brush is installed at the top of the gluing roller, and a spring at the top of the glue injection shell ensures that the smoothing brush always remains in close contact with the gluing roller, enabling even application of glue and improving the gluing quality and bonding strength of the packaging cartons. The overall improved design reduces the production failure rate and defect rate, simplifies operation and maintenance, and effectively improves production stability, reliability, and the company's market competitiveness.

[0007] To achieve the above objectives, the main technical solutions adopted by this utility model include: A gluing device for processing packaging cartons, comprising: A base platform, on the top of which is fixedly connected a gantry frame. Support rollers for guiding and conveying cartons to be packaged are installed on the gantry frame. An adhesive applicator is installed on the gantry frame at a position corresponding to the support rollers to cooperate with them.

[0008] The above-mentioned gluing device for processing packaging cartons includes a liftable gluing frame, a gluing roller that works in conjunction with the support roller is rotatably mounted on the bottom of the gluing frame, and a glue roller drive motor for driving the gluing roller to rotate is mounted on the side of the gluing frame.

[0009] The above-mentioned gluing device for processing cardboard boxes includes a fixed base fixedly connected to the gantry frame. A threaded seat is fixedly connected to the fixed base, and an adjusting bolt for adjusting the lifting and lowering of the gluing frame is threadedly connected to the threaded seat. The bottom of the adjusting bolt is rotatably connected to the top of the gluing frame through a bearing.

[0010] In the above-mentioned gluing device for processing packaging cartons, both sides of the bottom of the fixed base are fixedly connected to limit telescopic rods, and the other end of the limit telescopic rods is fixedly connected to the top of the gluing frame.

[0011] In the above-mentioned gluing device for processing packaging cartons, two symmetrically arranged abutment springs are fixedly connected to the inner wall of the gluing frame. The bottoms of the two abutment springs are fixedly connected through a glue injection shell. A smoothing brush is installed at the bottom of the glue injection shell corresponding to the position of the gluing roller. A plurality of glue injection holes are opened at equal intervals at the bottom of the glue injection shell corresponding to the position of the smoothing brush.

[0012] The above-mentioned gluing device for processing cardboard boxes includes a glue storage box installed on the inner wall of the gluing frame, and the bottom of the glue storage box is connected to the top of the glue injection shell through a connecting hose.

[0013] In the above-mentioned gluing device for processing packaging cartons, positioning sliders are fixedly connected to both sides of the glue injection shell, and a positioning groove matching the positioning slider is provided on the inner wall of the glue applicator at the position corresponding to the positioning slider.

[0014] This utility model has at least the following beneficial effects: 1. This utility model realizes a gluing device for processing packaging cartons. By rotating the adjusting bolt and engaging the threaded seat, the gluing frame can be moved, and the distance between the gluing roller and the support roller can be flexibly adjusted to meet the gluing needs of packaging cartons of different thicknesses, thereby enhancing the versatility and production efficiency of the device. A smoothing brush is set on the top of the gluing roller, and with the abutment spring at the top of the glue injection shell, the smoothing brush is always in close contact with the gluing roller, which can evenly apply glue and improve the gluing quality and bonding strength of the packaging cartons. The overall improved design reduces the production failure rate and defect rate, and the operation and maintenance are simple, effectively improving the production stability, reliability and enterprise market competitiveness.

[0015] 2. This utility model, by rotating the adjusting bolt and engaging the threads of the threaded seat, can move the glue applicator, thereby precisely adjusting the distance between the glue applicator roller and the support roller. This design allows the glue applicator to flexibly adapt to the glue application needs of packaging cartons of different thicknesses. Whether the cartons are thick or thin, adjusting the roller spacing ensures a smooth glue application process, avoiding problems such as uneven glue application and carton jamming caused by mismatched carton thicknesses, greatly improving the versatility and production efficiency of the glue applicator.

[0016] 3. In this invention, a smoothing brush is provided at the top of the coating roller. This smoothing brush can evenly apply the glue inside the glue injection shell onto the coating roller. Simultaneously, a retaining spring is provided at the top of the glue injection shell. Under the elastic force of the retaining spring, the smoothing brush is ensured to always be in close contact with the coating roller. This design ensures the uniform distribution of glue on the coating roller, avoiding localized glue accumulation or insufficient application, thereby effectively improving the glue coating quality of the packaging carton and ensuring the bonding strength and performance of the carton. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a schematic diagram of the gluing device for processing packaging cartons according to this utility model; Figure 2 This is a cross-sectional structural diagram of the gluing device for processing packaging cartons according to this utility model; Figure 3This is a schematic diagram of the gluing component in the gluing device for processing packaging cartons according to this utility model; Figure 4 This is a cross-sectional schematic diagram of the glue injection shell in the glue coating device for processing packaging cartons according to this utility model.

[0018] Explanation of icon numbers: 1. Base; 2. Gantry frame; 3. Support roller; 4. Glue application assembly; 401, Glue applicator; 4011, Glue applicator roller; 4012, Glue roller drive motor; 402, Fixed base; 4021, Threaded base; 4022, Adjusting bolt; 403. Limiting telescopic rod; 4044, abutment spring; 4041, glue injection shell; 4042, smoothing brush; 4043, glue injection hole; 405. Glue storage tank; 4051. Connecting hose; 406. Positioning slider; 4061. Positioning groove. Detailed Implementation

[0019] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0020] Please refer to Figures 1 to 4 As shown, an embodiment of the present invention provides a gluing device for processing packaging cartons, comprising: a base 1, a gantry frame 2 fixedly connected to the top of the base 1, a support roller 3 for guiding and conveying the cartons to be packaged installed on the gantry frame 2, and a gluing component 4 for cooperating with the support roller 3 installed on the gantry frame 2 at a position corresponding to the support roller 3. By adopting the above technical solution, the distance between the coating roller 4011 and the support roller 3 can be flexibly adjusted by rotating the adjusting bolt 4022 in conjunction with the threaded seat 4021 to move the coating frame 401, adapting to the coating needs of packaging cartons of different thicknesses, and enhancing the versatility and production efficiency of the device. A smoothing brush 4042 is set on the top of the coating roller 4011, which, together with the spring 404 at the top of the glue injection shell 4041, ensures that the smoothing brush 4042 is always in close contact with the coating roller 4011, so that the glue can be applied evenly, improving the coating quality and bonding strength of the packaging cartons. The overall improved design reduces the production failure rate and defect rate, simplifies operation and maintenance, and effectively improves production stability, reliability and enterprise market competitiveness.

[0021] To enable the coating roller 4011 and the support roller 3 to cooperate in applying glue to the cartons, in this embodiment: the coating assembly 4 includes a liftable coating frame 401. The bottom of the coating frame 401 is rotatably mounted with the coating roller 4011, which cooperates with the support roller 3. A glue roller drive motor 4012 is mounted on the side of the coating frame 401 to drive the coating roller 4011 to rotate. The liftable coating frame 401 provides a basis for adjusting the distance between the coating roller 4011 and the support roller 3. The rotatably mounted coating roller 4011 can cooperate with the support roller 3 to apply glue to the passing cartons. The glue roller drive motor 4012 provides power for the rotation of the coating roller 4011, ensuring the smooth progress of the coating process and allowing the glue to be evenly applied to the cartons.

[0022] To facilitate adjustment of the distance between the coating roller 4011 and the support roller 3 to accommodate the coating requirements of cartons of different thicknesses, in this embodiment, the coating assembly 4 further includes a fixed seat 402 fixedly connected to the gantry frame 2. A threaded seat 4021 is fixedly connected to the fixed seat 402, and an adjusting bolt 4022 for adjusting the lifting and lowering of the coating frame 401 is threaded onto the threaded seat 4021. The bottom of the adjusting bolt 4022 is rotatably connected to the top of the coating frame 401 via a bearing. By rotating the adjusting bolt 4022, the lifting and lowering of the coating frame 401 can be precisely controlled using the threaded action of the threaded seat 4021, thereby adjusting the distance between the coating roller 4011 and the support roller 3. This adjustment method is simple and easy to operate, and can quickly adapt to the coating requirements of packaging cartons of different thicknesses, improving the versatility and flexibility of the coating device.

[0023] To ensure the stability of the coating rack 401 during its lifting process and prevent it from shaking and affecting the coating quality, in this embodiment, limiting telescopic rods 403 are fixedly connected to both sides of the bottom of the fixed base 402, and the other end of the limiting telescopic rods 403 is fixedly connected to the top of the coating rack 401. The limiting telescopic rods 403 play a limiting and stabilizing role during the lifting process of the coating rack 401. They can limit the movement direction of the coating rack 401 and prevent it from shaking or deviating during the lifting process, thereby ensuring the accuracy of the distance adjustment between the coating roller 4011 and the support roller 3 and ensuring the stability of the coating quality.

[0024] To achieve uniform application of adhesive on the coating roller 4011 and improve coating quality, in this embodiment: two symmetrically arranged abutment springs 404 are fixedly connected to the inner wall of the coating frame 401. The bottoms of the two abutment springs 404 are fixedly connected to the glue injection shell 4041. A smoothing brush 4042 is installed at the bottom of the glue injection shell 4041 corresponding to the position of the coating roller 4011. Several glue injection holes 4043 are evenly arranged at intervals at the bottom of the glue injection shell 4041 corresponding to the position of the smoothing brush 4042. The abutment springs 4044 ensure that the smoothing brush 4042 at the bottom of the glue injection shell 4041 is always in close contact with the coating roller 4011. The adhesive drips evenly onto the coating roller 4011 through the glue injection holes 4043, and then is smoothed by the smoothing brush 4042, ensuring that the adhesive is evenly distributed on the coating roller 4011, avoiding local accumulation or insufficient application of adhesive, thereby improving the coating quality of the packaging carton.

[0025] To ensure a sufficient supply of adhesive for the gluing process, in this embodiment, a glue storage tank 405 for storing adhesive is also installed on the inner wall of the gluing rack 401. The bottom of the glue storage tank 405 is connected to the top of the glue injection shell 4041 via a connecting hose 4051. The glue storage tank 405 is used to store the adhesive required for gluing, and the adhesive is transported to the glue injection shell 4041 through the connecting hose 4051. This ensures a continuous supply of adhesive during the gluing process, avoids gluing interruptions or quality degradation due to insufficient adhesive, and ensures the continuity and stability of the gluing operation. To facilitate the control of the glue delivery from the glue storage tank 405 to the glue dispensing shell 4041, a control valve is installed on the connecting hose 4051.

[0026] To ensure the stable movement of the glue-dispensing shell 4041 within the glue-applying frame 401 and to guarantee the uniformity of glue application, in this embodiment: positioning sliders 406 are fixedly connected to both sides of the glue-dispensing shell 4041, and positioning grooves 4061 matching the positioning sliders 406 are provided on the inner wall of the glue-applying frame 401 at positions corresponding to the positioning sliders 406. The cooperation between the positioning sliders 406 and the positioning grooves 4061 allows the glue-dispensing shell 4041 to move stably along a fixed track within the glue-applying frame 401, preventing it from shifting or shaking during movement. This ensures the uniform application of glue to the glue-applying roller 4011 by the smoothing brush 4042, further improving the glue application quality.

[0027] The working principle of this utility model is as follows: In the glue application process: On the one hand, by rotating the adjusting bolt 4022, the threaded seat 4021 drives the glue applicator 401 to move up and down, thereby precisely adjusting the distance between the glue applicator roller 4011 and the support roller 3 on the glue applicator 401. This design allows the glue applicator to easily adapt to the glue application needs of packaging cartons of different thicknesses. Whether the cartons are thick or thin, precise glue application can be achieved by adjusting the distance, greatly improving the versatility and practicality of the device.

[0028] On the other hand, the glue in the glue storage tank 405 is delivered to the glue injection shell 4041 through the connecting hose 4051, and then drips evenly onto the glue application roller 4011 through the glue injection hole 4043. Under the elastic force of the abutment spring 404, the smoothing brush 4042 at the bottom of the glue injection shell 4041 is always in close contact with the glue application roller 4011. As the glue application roller 4011 rotates, the smoothing brush 4042 evenly applies the glue to the surface of the glue application roller 4011.

[0029] Meanwhile, the cooperation between the positioning slider 406 and the positioning groove 4061 ensures the stability of the movement of the glue injection shell 4041, further ensuring the uniformity of glue application.

[0030] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A gluing device for processing packaging cartons, comprising a base (1), characterized in that, A gantry frame (2) is fixedly connected to the top of the base (1). A support roller (3) for guiding and conveying the carton to be packaged is installed on the gantry frame (2). An adhesive applicator (4) for use with the support roller (3) is installed on the gantry frame (2) at the position corresponding to the support roller (3). The glue application assembly (4) includes a liftable glue application frame (401), with a glue application roller (4011) rotatably mounted on the bottom of the glue application frame (401) for use with the support roller (3), and a glue roller drive motor (4012) for driving the glue application roller (4011) to rotate is mounted on the side of the glue application frame (401). The glue application assembly (4) further includes a fixed seat (402) fixedly connected to the gantry frame (2), a threaded seat (4021) fixedly connected to the fixed seat (402), and an adjusting bolt (4022) for adjusting the lifting of the glue application frame (401) threadedly connected to the threaded seat (4021), and the bottom of the adjusting bolt (4022) is rotatably connected to the top of the glue application frame (401) through a bearing; Both sides of the bottom of the fixed base (402) are fixedly connected to the limiting telescopic rods (403), and the other end of the limiting telescopic rods (403) is fixedly connected to the top of the glue applicator (401). Two symmetrically arranged abutment springs (404) are fixedly connected to the inner wall of the glue applicator (401). The bottoms of the two abutment springs (404) are fixedly connected through a glue injection shell (4041). A smoothing brush (4042) is installed at the bottom of the glue injection shell (4041) and at the position corresponding to the glue applicator roller (4011). A plurality of glue injection holes (4043) are opened at equal intervals at the bottom of the glue injection shell (4041) and at the position corresponding to the smoothing brush (4042).

2. The gluing device for processing packaging cartons according to claim 1, characterized in that: The inner wall of the glue applicator (401) is also equipped with a glue storage box (405) for storing glue, and the bottom of the glue storage box (405) is connected to the top of the glue injection shell (4041) through a connecting hose (4051).

3. The gluing device for processing packaging cartons according to claim 2, characterized in that: Both sides of the glue injection shell (4041) are fixedly connected with positioning sliders (406), and the inner wall of the glue applicator (401) is provided with a positioning groove (4061) that matches the positioning slider (406).