Corrugated board gluing machine

By designing a corrugated cardboard adhesive machine including a glue coating box, a glue coating roller and an automatic liquid addition system, the problems of uneven glue coating and lack of automatic liquid addition function in the prior art are solved, and the continuous uniform glue coating and adhesive stability of corrugated cardboard are improved.

CN222645517UActive Publication Date: 2025-03-21XUCHANG HONGFANG PACKING & PRINTING CO LTD
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Patent Information

Application Number
CN202421101195.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-03-21
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing corrugated cardboard adhesive machines are prone to inhomogeneity and discontinuity during the glue coating process, resulting in unsolid bonding, and lack the automatic liquid addition function, which requires manual operation.

Method used

A corrugated cardboard adhesive machine including a conveyor rack and an adhesive coating device is designed. The adhesive coating device includes a rubber coating box, an adhesive coating roller, an elevator device, an adhesive storage box and a pump. The glue liquid level is monitored through a radar level meter, and the pump pump realizes automatic liquid addition. The motor and the synchronization wheel rotate simultaneously so that the rubber coating roller can continuously rotate the glue coating.

Benefits of technology

The continuous uniformity of corrugated cardboard coating is achieved, the adhesion stability is improved, and manual operation is reduced through the automatic liquid addition function, which improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222645517U_ABST
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Abstract

The utility model discloses a corrugated board gluing machine, which relates to the technical field of corrugated board production, and comprises a conveying frame and a gluing device arranged on the conveying frame, the gluing device comprises a cross beam, a support column, a gluing box, a gluing roller, a lifting device arranged on the cross beam, a glue storage box and a suction pump; the supporting columns are arranged on the conveying frame, and the cross beam is arranged on the conveying frame through the supporting columns. The gluing box is arranged at the bottom of the cross beam through a lifting device; the gluing roller is arranged below the gluing box, the bottom of the gluing box is an arc-shaped surface, a glue outlet hole is formed in the bottom of the gluing box, and a gap exists between the bottom of the gluing box and the gluing roller; the two ends of the suction pump communicate with the glue storage box and the gluing box through pipelines correspondingly, and a radar liquid level meter is arranged at the top in the glue storage box. According to the corrugated board gluing device, glue can be evenly coated on corrugated boards, the bonding stability of the corrugated boards is improved, the height of the gluing box can be adjusted, the gluing roller can make contact with the corrugated boards, and meanwhile the corrugated boards with different thicknesses can be glued easily.
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Description

Technical Field

[0001] The utility model relates to the technical field of corrugated paperboard production, in particular to a corrugated paperboard gluing machine. Background Art

[0002] Corrugated paper is a plate-like material made by gluing noodle paper and corrugated paper formed by corrugating rollers. During the production and processing of corrugated cardboard, in order to improve the quality of corrugated cardboard, a gluing mechanism is often used to gluing the cardboard and then gluing multiple layers of cardboard into a thicker cardboard.

[0003] However, the existing bonding mechanism generally uses a brush to apply glue, which easily causes uneven gluing and cannot apply glue continuously, resulting in the bonded cardboard being weak and causing losses.

[0004] Meanwhile, the existing glue coating device does not have the function of automatically adding liquid, and workers are required to add it. Utility Model Content

[0005] The utility model aims to provide a corrugated board gluing machine which can continuously and evenly apply glue, thereby improving the stability of corrugated board gluing and having the function of automatic gluing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrugated cardboard bonding machine, comprising a conveying frame and a gluing device arranged on the conveying frame, the gluing device comprising a crossbeam, a pillar, a gluing box, a gluing roller, a lifting device arranged on the crossbeam, a glue storage box and a pump; the pillar is arranged on the conveying frame, and the crossbeam is arranged on the conveying frame through the pillar; the gluing box is arranged at the bottom of the crossbeam through the lifting device; the gluing roller is arranged below the gluing box, the bottom of the gluing box is an arc-shaped surface, a glue outlet hole is opened at the bottom of the gluing box, and a gap exists between the bottom of the gluing box and the gluing roller; the two ends of the pump are respectively connected with the glue storage box and the glue coating box through pipelines, a radar level gauge is arranged on the top of the glue storage box, a first PLC controller is arranged on the glue storage box, and the first PLC controller is electrically connected to the pump and the radar level gauge.

[0007] In order to enable the glue coating roller to rotate and continuously apply glue, as a preferred corrugated cardboard bonding machine of the utility model, connecting seats are provided on both sides of the glue coating box, and the two connecting seats are respectively arranged at the two ends of the glue coating roller through a rotating shaft, and a motor is provided on the glue coating box, and the output end of the motor and one end of the rotating shaft located below the motor are provided with synchronous wheels, and the two synchronous wheels are provided with synchronous belts.

[0008] In order to glue corrugated cardboards of different thicknesses, as a preferred corrugated cardboard bonding machine of the utility model, a second PLC controller is arranged at the bottom of the crossbeam, a distance sensor is arranged at the top of the outer wall of the glue coating box, and the second PLC controller is electrically connected to the distance sensor and the lifting device.

[0009] In order to evenly apply the glue to the corrugated board, as a preferred embodiment of the corrugated board bonding machine of the utility model, a brush layer is provided on the outer circumference of the glue coating roller.

[0010] In order to prevent the glue from solidifying together, as a preferred embodiment of the corrugated board bonding machine of the utility model, heating wires are arranged in the inner wall interlayers of the glue coating box and the glue storage box.

[0011] The lifting device is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The bottom of the glue coating box of the utility model is an arc-shaped surface, and the glue liquid inside the glue coating box flows out through the glue outlet hole at the bottom of the glue coating box. There is a gap between the bottom of the glue coating box and the glue coating roller, so that the glue liquid flowing out of the glue hole can fall onto the glue coating roller, and the glue coating roller can evenly coat the glue liquid on the corrugated board, thereby improving the bonding stability of the corrugated board.

[0014] The utility model monitors the glue liquid level inside the glue coating box through a radar level gauge. When the liquid level is lower than a set value, the pump is started to pump the glue liquid in the glue storage box to the inside of the glue coating box. When the liquid level is higher than the set value, the glue delivery is stopped to ensure that there is always glue liquid on the glue coating roller and the purpose of automatic glue addition is achieved.

[0015] The utility model can adjust the height of the glue coating box by starting the lifting device, so that the glue coating roller can contact the corrugated paperboard, and at the same time, it is easy to glue the corrugated paperboards with different thicknesses;

[0016] The utility model starts the motor, and the synchronous wheel and the synchronous belt are rotated, so that the glue coating roller can realize the effect of synchronous rotation, and the glue coating roller can rotate to continuously coat glue. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 for Figure 1 AA structural diagram;

[0019] Figure 3 It is a structural schematic diagram of the motor of the utility model;

[0020] Figure 4It is a structural schematic diagram of the heating wire of the utility model.

[0021] In the figure: 1. conveying frame; 2. glue coating device; 3. crossbeam; 4. pillar; 5. glue coating box; 6. glue coating roller; 7. lifting device; 8. glue storage box; 9. pump; 10. glue outlet hole; 11. radar level meter; 12. first PLC controller; 13. connecting seat; 14. rotating shaft; 15. motor; 16. synchronous wheel; 17. synchronous belt; 18. second PLC controller; 19. distance sensor; 20. bristle layer; 21. heating wire. DETAILED DESCRIPTION

[0022] See also Figures 1 to 4 A corrugated cardboard gluing machine comprises a conveying frame 1 and a gluing device 2 arranged on the conveying frame 1, the gluing device 2 comprises a crossbeam 3, a pillar 4, a glue box 5, a glue roller 6, a lifting device 7 arranged on the crossbeam 3, a glue storage box 8 and a pump 9; the pillar 4 is arranged on the conveying frame 1, and the crossbeam 3 is arranged on the conveying frame 1 through the pillar 4; the glue box 5 is arranged at the bottom of the crossbeam 3 through the lifting device 7; the glue roller 6 is arranged below the glue box 5, the bottom of the glue box 5 is an arc-shaped surface, the bottom of the glue box 5 is provided with a glue outlet hole 10, and there is a gap between the bottom of the glue box 5 and the glue roller 6; the two ends of the pump 9 are respectively connected with the glue storage box 8 and the glue box 5 through pipelines, a radar level meter 11 is arranged on the top of the glue storage box 8, and a first PLC controller 12 is arranged on the glue storage box 8, and the first PLC controller 12 is electrically connected to the pump 9 and the radar level meter 11.

[0023] In this embodiment: the crossbeam 3 is arranged on the conveying frame 1 through the support 4, and the conveying frame 1 conveys the corrugated cardboard. The output end of the lifting device 7 passes through the crossbeam 3 and is arranged on the glue coating box 5. The lifting device 7 is started to adjust the height of the glue coating box 5, so that the glue coating roller 6 can contact the corrugated cardboard. At the same time, it is easy to glue the corrugated cardboard of different thicknesses. The bottom of the glue coating box 5 is an arc surface. The glue inside the glue coating box 5 flows out through the glue outlet hole 10 at the bottom of the glue coating box 5. There is a gap between the bottom of the glue coating box 5 and the glue coating roller 6, so that the glue flowing out of the glue hole can fall onto the glue coating roller 6. The glue coating roller 6 can evenly apply the glue to the corrugated cardboard, thereby improving the stability of the bonding of the corrugated cardboard. The glue coating roller 6 rotates to continuously glue the corrugated cardboard.

[0024] The radar level meter 11 monitors the glue liquid level inside the glue coating box 5. When the liquid level is lower than the set value, the pump 9 is started, and the pump 9 pumps the glue liquid in the glue storage box 8 into the glue coating box 5. When the liquid level is higher than the set value, the delivery of glue is stopped to ensure that there is always glue on the glue coating roller 6 and the purpose of automatic glue addition is achieved;

[0025] The glue coating box 5 of the utility model is in a V shape, and the glue coating box 5 is easy for the glue liquid on both sides to slide downward.

[0026] As a technical optimization solution of the utility model, connecting seats 13 are provided on both sides of the glue coating box 5, and the two connecting seats 13 are respectively arranged at the two ends of the glue coating roller 6 through the rotating shaft 14. A motor 15 is provided on the glue coating box 5, and the output end of the motor 15 and one end of the rotating shaft 14 located below the motor 15 are provided with synchronous wheels 16, and the two synchronous wheels 16 are provided with synchronous belts 17.

[0027] In this embodiment: by connecting the seat 13 and the rotating shaft 14, the glue coating roller 6 can be movably installed at the bottom of the glue coating box 5, starting the motor 15, the synchronous wheel 16 and the synchronous belt 17 are rotated, so that the glue coating roller 6 can achieve the effect of synchronous rotation, and the glue coating roller 6 can rotate to continuously coat glue.

[0028] As a technical optimization solution of the utility model, a second PLC controller 18 is arranged at the bottom of the beam 3, a distance sensor 19 is arranged at the top of the outer wall of the glue coating box 5, and the second PLC controller 18 is electrically connected to the distance sensor 19 and the lifting device 7.

[0029] In this embodiment: the distance sensor 19 detects the distance between the corrugated board, and the second PLC controller 18 controls the lifting device 7 after receiving the monitoring data. The lifting device 7 can adjust the height of the glue coating box 5 to facilitate the contact between the brush layer 20 below and the corrugated board.

[0030] As a technical optimization solution of the utility model, a brush layer 20 is provided on the outer circumference of the glue coating roller 6 .

[0031] In this embodiment, the brush layer 20 can evenly apply the glue onto the corrugated cardboard.

[0032] As a technical optimization solution of the present invention, heating wires 21 are provided in the inner wall interlayers of the glue coating box 5 and the glue storage box 8 .

[0033] In this embodiment, the heating wire 21 can heat the glue in the glue coating box 5 to prevent the glue from solidifying together and failing to glue the corrugated cardboard.

[0034] As a technical optimization solution of the present utility model, the lifting device 7 is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod.

[0035] In this embodiment, the lifting device 7 uses an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod to adjust the glue coating box 5.

[0036] Working principle: the conveyor frame 1 conveys the corrugated cardboard. When the corrugated cardboard is conveyed to the bottom of the distance sensor 19, the distance sensor 19 monitors the distance between the corrugated cardboard and the second PLC controller 18 controls the lifting device 7 after receiving the detected data. The lifting device 7 can adjust the height of the glue box 5 to facilitate the contact between the brush layer 20 below and the corrugated cardboard. The glue inside the glue box 5 flows out through the glue outlet hole 10 at the bottom of the glue box 5, and the glue flowing out of the glue hole falls onto the glue roller 6. The glue roller 6 can evenly apply the glue to the corrugated cardboard. The motor 15 is started, the synchronous wheel 16 and the synchronous belt 17 are rotated, and the glue roller 6 is rotated to continuously glue the corrugated cardboard. When the glue level inside the glue box 5 is lower than the set value, the pump 9 is started, and the pump 9 pumps the glue in the glue storage box 8 to the inside of the glue box 5. When the liquid level is higher than the set value, the glue delivery is stopped to ensure that there is always glue on the glue roller 6.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A corrugated cardboard gluing machine, comprising a conveying frame (1) and a gluing device (2) arranged on the conveying frame (1), characterized in that: The glue coating device (2) comprises a crossbeam (3), a support (4), a glue coating box (5), a glue coating roller (6), a lifting device (7) arranged on the crossbeam (3), a glue storage box (8) and a pump (9); the support (4) is arranged on the conveying frame (1), and the crossbeam (3) is arranged on the conveying frame (1) through the support (4); the glue coating box (5) is arranged at the bottom of the crossbeam (3) through the lifting device (7); the glue coating roller (6) is arranged below the glue coating box (5), and the glue coating box (5) is arranged at the bottom of the crossbeam (3). The bottom is an arc-shaped surface, the bottom of the glue coating box (5) is provided with a glue outlet hole (10), and a gap exists between the bottom of the glue coating box (5) and the glue coating roller (6); the two ends of the pump (9) are respectively connected to the glue storage box (8) and the glue coating box (5) through pipelines, a radar level meter (11) is arranged on the top of the glue storage box (8), and a first PLC controller (12) is arranged on the glue storage box (8), and the first PLC controller (12) is electrically connected to the pump (9) and the radar level meter (11).

2. A corrugated board bonding machine according to claim 1, characterized in that: A connecting seat (13) is provided on both sides of the glue coating box (5), and the two connecting seats (13) are respectively arranged at the two ends of the glue coating roller (6) through a rotating shaft (14). A motor (15) is provided on the glue coating box (5), and a synchronous wheel (16) is provided at the output end of the motor (15) and one end of the rotating shaft (14) located below the motor (15), and a synchronous belt (17) is provided on the two synchronous wheels (16).

3. A corrugated board bonding machine according to claim 1, characterized in that: A second PLC controller (18) is arranged at the bottom of the crossbeam (3), a distance sensor (19) is arranged at the top of the outer wall of the glue coating box (5), and the second PLC controller (18) is electrically connected to the distance sensor (19) and the lifting device (7).

4. A corrugated board bonding machine according to claim 1, characterized in that: A brush layer (20) is provided on the outer circumference of the glue coating roller (6).

5. The corrugated board bonding machine according to claim 1, characterized in that: Heating wires (21) are provided in the inner wall interlayers of the glue coating box (5) and the glue storage box (8).

6. A corrugated board bonding machine according to claim 1, characterized in that: The lifting device (7) is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod.