Double-sided gluing device for paper angle bead production

By utilizing the friction between the glue coating roller and the cardboard and the design of the supporting spring collecting groove in the paper corner protector production device, the glue coating process is simplified, the glue is evenly distributed and the glue utilization rate is improved.

CN223352025UActive Publication Date: 2025-09-19NANJING GERUN PACKAGING MATERIAL CO LTD
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Patent Information

Application Number
CN202422672857.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-19
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

The gluing process of the existing double-sided gluing device for producing paper corner protectors is complicated and requires multiple movements of the cardboard to achieve uniform distribution of the glue.

Method used

By inserting the cardboard into the inner frame, the glue coating roller fits against the side wall of the cardboard, and the friction force is used to drive the glue coating roller to rotate, so that the glue is evenly applied to the surface of the cardboard. At the same time, the support spring is used to push the glue in the collection tank of the movable plate to improve the utilization rate.

Benefits of technology

The gluing steps are simplified, the glue is evenly distributed and the utilization rate of the glue is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a gluing device, belongs to the technical field of paper angle bead production, and particularly relates to a double-sided gluing device for paper angle bead production, which comprises a base, a support frame fixedly mounted on the top wall surface of the base, a glue storage box fixedly mounted on the top wall surface of the support frame, and an outer frame fixedly mounted on the top wall surface of the base. A guiding box is fixedly installed on the bottom wall face of the guiding box, an inner frame is arranged in the outer frame, two sealing plates are connected to the side wall of the inner frame in a sealed and clamped mode, two gluing rollers are arranged in the outer frame, and communicating grooves are formed in the upper side wall face and the lower side wall face of the inner frame. According to the paperboard gluing device, a paperboard needing to be glued extends into the inner frame, the gluing roller rotates through the friction force between the gluing roller and the paperboard, the gluing roller brings glue in the outer frame to the surface of the paperboard, meanwhile, the paperboard is pressed, and the glue is evenly distributed on the surface of the paperboard; the effect of conveniently gluing the paperboards is achieved; the problem that existing gluing steps are tedious is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of paper corner protector production, in particular to a double-sided gluing device for paper corner protector production. Background Art

[0002] Paper corner protectors, also known as edgeboards, are one of the most popular packaging products internationally, replacing wood and other bulky packaging methods. They are made by laminating several layers of corrugated paper, then wrapping them with kraft paper, pressing and bending them. The corrugated paper is first coated with glue, and then the layers are compacted.

[0003] After searching, the Chinese patent publication number CN216396868U disclosed a double-sided gluing device for producing paper corner protectors, comprising a workbench, a support column fixedly mounted on the upper surface of the workbench, a mounting frame fixedly mounted on the top of the support column, a glue box fixedly mounted on the upper surface of the mounting frame, a U-shaped frame fixedly mounted on the lower surface of the mounting frame, the lower surface of the glue box fixedly connected to the top of the guide pipe, a glue slide fixedly mounted on the inner wall of the U-shaped frame, and fine bristles provided on the inner side of the U-shaped frame. Glue enters the glue slide through the guide pipe and flows downward along the inner wall of the glue slide, while flowing along the inclined chute toward the center of the U-shaped frame, and is evenly applied to the outer surface of the paper corner protector by the fine bristles, thereby achieving a preliminary coating operation of the glue and improving the coating efficiency of the device.

[0004] In the above-mentioned prior art solution, the cardboard is first placed into the interior of the U-shaped frame through the opening at the bottom of the U-shaped frame, and glue is applied to the surface of the cardboard by a fine brush. Then, the cardboard is placed into the interior of the coating assembly, and two coating rollers spread the glue on the surface of the cardboard so that the glue is evenly distributed on the surface of the cardboard. The cardboard needs to be moved to both sides, and the gluing process is complicated. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a double-sided gluing device for producing paper corner protectors, in which the cardboard to be glued is inserted into the interior of the inner frame, and the friction between the gluing roller and the cardboard causes the gluing roller to rotate. The gluing roller thus brings the glue inside the outer frame to the surface of the cardboard, and at the same time presses the cardboard so that the glue is evenly distributed on the surface of the cardboard, thereby achieving the effect of facilitating gluing of the cardboard.

[0006] The technical solution to achieve the purpose of the utility model is: a double-sided gluing device for producing paper corner protectors, comprising a base, a support frame fixedly installed on the top wall of the base, a glue storage box fixedly installed on the top wall of the support frame, an outer frame fixedly installed on the top wall of the base, a prism-shaped guide box fixedly installed on the bottom wall of the guide box, the bottom end of the guide box fixedly installed on the top wall of the outer frame, an inner frame is provided inside the outer frame, two sealing plates are sealed and clamped on the side walls of the inner frame, one end of the two sealing plates away from the inner frame is sealed and clamped on the inner side wall of the outer frame, two gluing rollers are provided inside the outer frame, the two gluing rollers are respectively arranged at the upper and lower ends of the inner frame, and connecting grooves are provided on the upper and lower side walls of the inner frame, and the adjacent ends of the two gluing rollers extend outward through the connecting grooves.

[0007] In some embodiments, a collecting groove communicating with the bottom end of the outer frame is formed on the top wall of the base.

[0008] In some embodiments, a movable plate is slidably installed inside the collecting tank, a support spring is fixedly connected to the bottom wall of the movable plate, and the bottom end of the support spring is fixedly connected to the inner bottom wall of the collecting tank.

[0009] In some embodiments, an adjustment box is fixedly installed on the left and right side walls of the outer frame, an adjustment screw is vertically rotatably installed inside the adjustment box, a turntable is fixedly installed on the top wall of the adjustment screw, adjustment screw sleeves are threadedly installed on the upper and lower ends of the adjustment screw, and rotating shafts are fixedly installed on both ends of the two coating rollers.

[0010] In some embodiments, the thread directions of the upper and lower ends of the adjusting screw are opposite.

[0011] In some embodiments, the left and right side walls of the outer frame are provided with limiting grooves, the two limiting grooves are respectively aligned with the interior of the adjustment box, and the rotating shaft passes through the interior of the limiting grooves and is rotatably installed on the side walls of the adjacent adjustment screw sleeves.

[0012] Compared with the prior art, the present invention has the following significant advantages:

[0013] First, the utility model extends the cardboard to be glued into the interior of the inner frame, so that the side wall of the cardboard fits into the part of the connecting groove extending from the glue roller. Through the friction between the glue roller and the cardboard, the glue roller rotates as the cardboard moves. During the rotation process, the glue roller brings the glue inside the outer frame to the surface of the cardboard, and at the same time presses the cardboard to evenly distribute the glue on the surface of the cardboard, thereby achieving the effect of facilitating gluing of the cardboard and solving the problem of complicated gluing steps in the existing method.

[0014] Secondly, the utility model collects the glue flowing downwards through the collecting trough, and uses the elasticity of the supporting spring to push the movable plate upwards, so that the movable plate pushes the glue flowing into the collecting trough upwards, avoiding the situation where the glue is at the bottom and cannot be used, thereby further improving the utilization rate of the glue. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic diagram of the overall structure of the double-sided gluing device for producing paper corner protectors of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the double-sided gluing device for producing paper corner protectors of the utility model in a transverse section;

[0018] Figure 3 This is a schematic diagram of the internal structure of the outer frame of the utility model in a longitudinal section;

[0019] Figure 4 This utility model Figure 2 Enlarged view of point A in the middle.

[0020] Description of reference numerals:

[0021] 1. Base; 2. Support frame; 3. Glue storage box; 4. Guide box; 5. Outer frame; 6. Inner frame; 7. Sealing plate; 8. Glue coating roller; 9. Rotating shaft; 10. Limiting groove; 11. Adjusting box; 12. Adjusting screw; 13. Adjusting screw sleeve; 14. Turntable; 15. Collecting tank; 16. Support spring; 17. Connecting groove; 18. Moving plate. DETAILED DESCRIPTION

[0022] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The utility model provides a double-sided gluing device for producing paper corner protectors through improvement. The technical solution of the utility model is:

[0024] like Figures 1-4As shown, a double-sided gluing device for producing paper corner protectors includes a base 1, a support frame 2 is fixedly installed on the top wall of the base 1, a glue storage box 3 is fixedly installed on the top wall of the support frame 2, an outer frame 5 is fixedly installed on the top wall of the base 1, a prism-shaped guide box 4 is fixedly installed on the bottom wall of the guide box 4, the bottom end of the guide box 4 is fixedly installed on the top wall of the outer frame 5, an inner frame 6 is provided inside the outer frame 5, two sealing plates 7 are sealed and clamped on the side walls of the inner frame 6, and one end of the two sealing plates 7 away from the inner frame 6 is sealed and clamped on the inner side wall of the outer frame 5, two glue rollers 8 are provided inside the outer frame 5, and the two glue rollers 8 are respectively arranged at the upper and lower ends of the inner frame 6, and the upper end of the inner frame 6 The lower two side walls are both provided with connecting grooves 17, and the adjacent ends of the two glue rollers 8 extend outward through the connecting grooves 17; first, glue is added to the inside of the glue storage box 3, and the glue inside the glue storage box 3 flows into the inside of the outer frame 5 through the guide box 4, and then the cardboard to be glued is extended into the inside of the inner frame 6, so that the side wall of the cardboard fits with the part of the connecting groove 17 extending from the glue roller 8. The friction between the glue roller 8 and the cardboard causes the glue roller 8 to rotate as the cardboard moves. During the rotation, the glue roller 8 brings the glue inside the outer frame 5 to the surface of the cardboard, and at the same time presses the cardboard to make the glue evenly distributed on the surface of the cardboard, thereby achieving the effect of facilitating gluing the cardboard.

[0025] like Figures 1-4 As shown, in one embodiment, in order to facilitate the adjustment of the position of the glue coating roller 8, an adjusting box 11 is fixedly installed on the left and right side walls of the outer frame 5, and an adjusting screw 12 is vertically rotatably installed inside the adjusting box 11. A turntable 14 is fixedly installed on the top wall of the adjusting screw 12. The thread directions of the upper and lower ends of the adjusting screw 12 are opposite, and the upper and lower ends of the adjusting screw 12 are threadedly installed with an adjusting screw sleeve 13. Limiting grooves 10 are provided on the left and right side walls of the outer frame 5. The two limiting grooves 10 are respectively aligned with the interior of the adjusting box 11. A rotating shaft 9 is fixedly installed on both ends of the two glue coating rollers 8. The rotating shaft 9 passes through the interior of the limiting groove 10 and is rotatably installed on the side walls of the adjacent adjusting screw sleeve 13; by rotatably installing the rotating shaft 9 on the side walls of the adjusting screw sleeve 13, when the staff drives the adjusting screw 12 to rotate by rotating the turntable 14, the two adjusting screw sleeves 13 on the side walls of the adjusting screw 12 can move with the rotation of the adjusting screw 12 to adjust the distance between the two glue coating rollers 8.

[0026] like Figures 1-4As shown, in one embodiment, in order to facilitate the application of glue to the bottom of the cardboard, a collecting trough 15 connected to the bottom end of the outer frame 5 is opened on the top wall of the base 1; the glue flowing downward is collected by the collecting trough 15, and at the same time, it is applied to the surface of the cardboard as the glue coating roller 8 near the bottom rotates, ensuring that the glue is fully utilized; a movable plate 18 is slidably installed inside the collecting trough 15, and the bottom wall of the movable plate 18 is fixedly connected to a support spring 16, and the bottom end of the support spring 16 is fixedly connected to the bottom wall of the collecting trough 15; by utilizing the elasticity of the support spring 16 to push the movable plate 18 upward, the movable plate 18 pushes the glue flowing into the collecting trough 15 upward, avoiding the situation where the glue is at the bottom and cannot be used, thereby further improving the utilization rate of the glue.

[0027] The specific working method is: first, glue is added to the inside of the glue storage box 3, and the glue inside the glue storage box 3 flows into the inside of the outer frame 5 through the guide box 4, and the glue flowing downward is collected by the collecting groove 15, and the movable plate 18 is pushed upward by utilizing the elasticity of the support spring 16, so that the movable plate 18 pushes the glue flowing into the collecting groove 15 upward, and then the cardboard to be glued is extended into the inside of the inner frame 6, so that the side wall of the cardboard is fitted with the part of the connecting groove 17 extending from the glue roller 8, and the friction between the glue roller 8 and the cardboard is used to make the glue roller 8 rotate with the movement of the cardboard. During the rotation, the glue roller 8 brings the glue inside the outer frame 5 to the surface of the cardboard, and at the same time presses the cardboard to make the glue evenly distributed on the surface of the cardboard, thereby achieving the effect of facilitating gluing the cardboard.

[0028] The technical means disclosed in the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. A double-sided gluing device for producing paper corner protectors, comprising a base (1), a support frame (2) fixedly mounted on the top wall of the base (1), and a glue storage box (3) fixedly mounted on the top wall of the support frame (2), characterized in that: An outer frame (5) is fixedly mounted on the top wall of the base (1), a prism-shaped guide box (4) is fixedly mounted on the bottom wall of the guide box (4), the bottom end of the guide box (4) is fixedly mounted on the top wall of the outer frame (5), an inner frame (6) is arranged inside the outer frame (5), two sealing plates (7) are sealed and clamped on the side wall of the inner frame (6), one end of the two sealing plates (7) away from the inner frame (6) is sealed and clamped on the inner side wall of the outer frame (5), two glue coating rollers (8) are arranged inside the outer frame (5), the two glue coating rollers (8) are respectively arranged at the upper and lower ends of the inner frame (6), and the upper and lower side walls of the inner frame (6) are both provided with connecting grooves (17), and the adjacent ends of the two glue coating rollers (8) extend outward through the connecting grooves (17).

2. The double-sided gluing device for producing paper corner protectors according to claim 1, characterized in that: The top wall of the base (1) is provided with a collecting groove (15) which is in communication with the bottom end of the outer frame (5).

3. The double-sided gluing device for producing paper corner protectors according to claim 2, characterized in that: A movable plate (18) is slidably mounted inside the collecting trough (15), a support spring (16) is fixedly connected to the bottom wall of the movable plate (18), and a bottom end of the support spring (16) is fixedly connected to the inner bottom wall of the collecting trough (15).

4. The double-sided gluing device for producing paper corner protectors according to claim 1, characterized in that: An adjusting box (11) is fixedly mounted on the left and right side walls of the outer frame (5); an adjusting screw (12) is vertically rotatably mounted inside the adjusting box (11); a turntable (14) is fixedly mounted on the top wall of the adjusting screw (12); adjusting screw sleeves (13) are threadedly mounted on the upper and lower ends of the adjusting screw (12); and rotating shafts (9) are fixedly mounted on both ends of the two glue coating rollers (8).

5. The double-sided gluing device for producing paper corner protectors according to claim 4, characterized in that: The thread directions of the upper and lower ends of the adjusting screw (12) are opposite.

6. The double-sided gluing device for producing paper corner protectors according to claim 4, characterized in that: The left and right side walls of the outer frame (5) are both provided with limiting grooves (10), and the two limiting grooves (10) are respectively aligned with the interior of the adjustment box (11), and the rotating shaft (9) passes through the interior of the limiting grooves (10) and is rotatably installed on the side walls of the adjacent adjustment screw sleeves (13).

Citation Information

Patent Citations

  • Double-sided gluing device for paper angle bead production

    CN216396868U