Glue coating device for LED display screen module

By designing an adhesive coating device for LED display modules, and utilizing components such as an adhesive tank, a spray nozzle, a roller coating shaft, and a lifting hydraulic cylinder, a stable supply and uniform application of adhesive are achieved. This solves the problem of uneven adhesive application in traditional coating methods and improves coating efficiency and module quality.

CN223970272UActive Publication Date: 2026-03-06CHINA BONDA PRECISION MANUFACTURING (DONGGUAN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-22
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

Traditional coating methods make it difficult to ensure uniform distribution of adhesive in LED display modules, affecting the module's sealing performance, stability, and lifespan.

Method used

An adhesive coating device for LED display modules was designed, including an adhesive tank, a spray head, a roller coating shaft, a servo motor, and a lifting hydraulic cylinder. The device achieves stable supply and precise spraying of adhesive through a liquid pump and connecting pipe. The roller coating shaft, in conjunction with a coating brush sleeve, ensures uniform application of adhesive. The lifting hydraulic cylinder adjusts the height of the device to accommodate modules of different thicknesses.

Benefits of technology

It improves the efficiency and precision of adhesive coating, ensures the uniformity and stability of the adhesive, enhances the versatility and ease of operation of the device, and improves the sealing performance and service life of the module.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of display screen processing, in particular to an LED display screen module glue coating device which comprises a glue box for LED display screen module glue coating, the bottom of a glue storage box is connected with a glue spraying head and a roller coating shaft, and a lifting hydraulic cylinder is installed in the center of the top of the glue box. Through the arrangement of the glue box and the liquid storage area in the glue box, a sufficient storage space is provided for glue; a glue spraying head connected to the bottom is matched with a top seat and a liquid conveying pump, stable supply and accurate spraying of glue are achieved through a connecting pipe, and the coating efficiency and precision are improved; meanwhile, the design of the roller coating shaft and fixing frames at the two ends of the roller coating shaft is matched with driving of a servo motor, so that the roller coating shaft can stably rotate, and a detachable uniform coating brush sleeve on the surface ensures uniform coating of glue; the lifting hydraulic cylinder is mounted in the center of the top, so that the heights of the glue box and connecting parts thereof can be adjusted as required to adapt to LED display screen modules with different thicknesses, and the universality and the flexibility of the device are improved.
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Description

Technical Field

[0001] This utility model relates to the field of display screen processing technology, specifically to an adhesive coating device for LED display screen modules. Background Technology

[0002] With the widespread application of LED displays in various scenarios, such as commercial advertising, stage displays, and information dissemination, the production quality requirements for LED display modules are also increasing. Adhesive coating, as a key step in the LED display module production process, directly affects the module's sealing performance, stability, and lifespan. Traditional coating methods often fail to ensure uniform adhesive distribution on the LED display module surface, resulting in excessive or insufficient adhesive in some areas, affecting the module's electrical connections and heat dissipation. Utility Model Content

[0003] The purpose of this invention is to provide an adhesive coating device for LED display modules to solve the problem of uneven adhesive coating for LED display modules mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] An LED display module adhesive coating device includes an adhesive tank for coating LED display modules. The bottom of the adhesive tank is connected to a spray nozzle and a roller coating shaft, and a lifting hydraulic cylinder is installed at the center of the top of the adhesive tank.

[0006] The glue tank is equipped with a liquid storage area, and an infusion pump is installed at the bottom of the liquid storage area.

[0007] A top seat is installed on the top of the spray nozzle, and the top seat is connected to the inside of the spray nozzle. The outlet end of the infusion pump is connected to the inside of the top seat through a connecting pipe.

[0008] The roller coating shaft is symmetrically provided with fixing frames at both ends. The tops of the two sets of fixing frames are respectively connected to the bottom ends of the glue tank. One set of fixing frames is equipped with a servo motor for driving the roller coating shaft to rotate. The surface of the roller coating shaft is covered with a detachable coating brush sleeve.

[0009] Preferably, the top of the glue tank is equipped with an addition tube for adding glue into it.

[0010] Preferably, the two sides of the top seat are connected to the bottom of the glue tank by several sets of L-shaped connecting brackets.

[0011] Preferably, the mounting bracket is equipped with a bearing for mounting the coating roller shaft.

[0012] Preferably, the two ends of the coating brush sleeve are hinged with several sets of fixing ears.

[0013] Preferably, each set of fixing ears is equipped with fixing bolts for fixing to the end of the coating roller shaft.

[0014] Preferably, a connecting seat is coaxially mounted on the bottom of the piston rod of the lifting hydraulic cylinder.

[0015] Preferably, the connecting seat is connected to the center of the top surface of the glue tank by at least three sets of fixing bolts.

[0016] Compared with existing technologies, the beneficial effects of this utility model are:

[0017] In this LED display module adhesive coating device, the adhesive tank and its internal storage area provide ample storage space for the adhesive, ensuring the continuity of the adhesive coating process. The bottom-connected spray head, together with the top seat and infusion pump, achieves stable adhesive supply and precise spraying through connecting pipes, improving coating efficiency and accuracy. At the same time, the roller coating shaft and its two end fixing brackets, combined with servo motor drive, enable the roller coating shaft to rotate smoothly, and the detachable coating brush sleeve on the surface further ensures uniform adhesive application. In addition, the lifting hydraulic cylinder installed at the top center can adjust the height of the adhesive tank and its connecting parts as needed to adapt to LED display modules of different thicknesses, improving the versatility and flexibility of the device.

[0018] In this LED display module adhesive coating device, an addition tube for adding adhesive is installed on the top of the adhesive tank. The addition tube on the top of the adhesive tank allows users to easily add adhesive without disassembling or moving other parts, improving the convenience and efficiency of operation.

[0019] In this LED display module adhesive coating device, the two ends of the coating brush sleeve are hinged with several sets of fixing ears. Each set of fixing ears is equipped with fixing bolts for fixing to the end of the roller coating shaft, so that the coating brush sleeve can be firmly fixed to the end of the roller coating shaft, preventing it from falling off or loosening during rotation, and ensuring the uniformity and stability of coating. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are explained in detail together with the embodiments of the present invention, but do not constitute a limitation thereof.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the present invention;

[0023] Figure 3This is a schematic diagram of the cross-sectional structure of the coating brush sleeve of this utility model;

[0024] 10. Glue tank; 11. Addition tube; 12. Liquid storage area; 13. Infusion pump; 14. Connecting tube;

[0025] 20. Spray nozzle; 21. Top mount; 22. Connecting bracket;

[0026] 30. Roller coating shaft; 31. Fixing bracket; 32. Bearing; 33. Coating brush sleeve; 34. Servo motor; 35. Fixing lug; 36. Fixing bolt;

[0027] 40. Lifting hydraulic cylinder; 41. Piston rod; 42. Connecting seat. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments and accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] In the description of this utility model, it should be understood that the terms "center", "vertical", "horizontal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of this utility model and to simplify the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] LED display module adhesive coating device, such as Figures 1-3As shown, the device includes an adhesive tank 10 for coating LED display modules. The bottom of the adhesive tank 10 is connected to a spray nozzle 20 and a roller coating shaft 30. A lifting hydraulic cylinder 40 is installed at the center of the top of the adhesive tank 10. The adhesive tank 10 contains a liquid storage area 12, and a dispensing pump 13 is installed at the bottom of the liquid storage area 12. A top seat 21 is installed on the top of the spray nozzle 20, and the top seat 21 is connected to the inside of the spray nozzle 20. The outlet end of the dispensing pump 13 is connected to the inside of the top seat 21 via a connecting pipe 14. Two sets of fixing brackets 31 are symmetrically arranged at both ends of the roller coating shaft 30. The tops of the two sets of fixing brackets 31 are respectively connected to the bottom ends of the adhesive tank 10. One set of fixing brackets 31 is equipped with a servo motor 34 for driving the roller coating shaft 30 to rotate. A detachable sleeve is fitted on the surface of the roller coating shaft 30. The coating brush sleeve 33, through the glue tank 10 and its internal liquid storage area 12, provides ample storage space for the glue, ensuring the continuity of the glue coating process. The bottom-connected spray head 20, together with the top seat 21 and the infusion pump 13, achieves stable glue supply and precise spraying through the connecting pipe 14, improving the coating efficiency and accuracy. At the same time, the roller coating shaft 30 and the fixing brackets 31 at both ends are designed and driven by the servo motor 34, enabling the roller coating shaft 30 to rotate smoothly. The detachable coating brush sleeve 33 on the surface further ensures the uniform application of glue. In addition, the lifting hydraulic cylinder 40 installed at the top center can adjust the height of the glue tank 10 and its connecting parts as needed to adapt to LED display modules of different thicknesses, improving the versatility and flexibility of the device.

[0031] Furthermore, an addition tube 11 for adding glue to the top of the glue tank 10 is installed. By setting the addition tube 11 on the top of the glue tank 10, the user can easily add glue to the inside without disassembling or moving other parts, thus improving the convenience and efficiency of operation.

[0032] The top seat 21 is connected to the bottom of the glue tank 10 by several sets of L-shaped connecting brackets 22 on both sides, which not only enhances the stability of the top seat 21, but also ensures the accuracy and reliability of the glue spray head 20 during the spraying process.

[0033] It is worth noting that the mounting bracket 31 is equipped with a bearing 32 for mounting the roller coating shaft 30, which provides stable support and rotation point for the roller coating shaft 30, reduces friction and resistance of the roller coating shaft 30 during rotation, and improves its rotation efficiency and service life.

[0034] Specifically, the two ends of the coating brush sleeve 33 are hinged with several sets of fixing ears 35. Each set of fixing ears 35 is equipped with fixing bolts 36 for fixing to the end of the roller coating shaft 30, so that the coating brush sleeve 33 can be firmly fixed to the end of the roller coating shaft 30, preventing it from falling off or loosening during rotation, and ensuring the uniformity and stability of coating.

[0035] In addition, a connecting seat 42 is coaxially mounted on the bottom of the piston rod 41 of the lifting hydraulic cylinder 40. The connecting seat 42 is connected to the center of the top surface of the glue tank 10 by at least three sets of fixing bolts. This not only ensures the stability and reliability of the lifting hydraulic cylinder 40, but also enables the glue tank 10 and its connecting parts to rise and fall smoothly, adapting to LED display modules of different thicknesses and improving the versatility and flexibility of the device.

[0036] Working principle of this LED display module adhesive coating device:

[0037] First, add an appropriate amount of glue to the storage area 12 in the glue tank 10 through the addition tube 11; then, start the infusion pump 13, the glue is drawn out from the storage area 12 and transported to the top seat 21 through the connecting tube 14, and then flows into the spray nozzle 20, ready for spraying.

[0038] Next, based on the thickness of the LED display module, the height of the glue tank 10 and its connecting parts is adjusted by the lifting hydraulic cylinder 40 so that the roller coating shaft 30 contacts the surface of the LED display module.

[0039] Turn on the glue spray head 20 and the glue is evenly sprayed onto the LED display module; then, start the servo motor 34 to drive the roller coating shaft 30 to rotate, and the coating brush sleeve 33 on the surface of the roller coating shaft 30 further evenly coats the glue to ensure the formation of a uniform glue coating.

[0040] During the coating process, the flow rate of the infusion pump 13, the speed of the servo motor 34, and the height of the lifting hydraulic cylinder 40 can be adjusted in a timely manner by observing the coating effect to obtain the best coating effect.

[0041] After coating is completed, turn off the spray nozzle 20 and servo motor 34, and disconnect the power supply to the infusion pump 13. If it is necessary to replace the coating brush sleeve 33, the coating brush sleeve can be easily removed from the roller coating shaft 30 by removing the fixing bolt 36 on the fixing ear 35, and a new coating brush sleeve can be installed.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. LED display screen module glue coating device, comprising a glue tank (10) for LED display screen module glue coating, characterized in that: The bottom of the glue tank (10) is connected with a glue spraying head (20) and a roller coating shaft (30), and the top center of the glue tank (10) is provided with a lifting hydraulic cylinder (40); The glue tank (10) is provided with a liquid storage area (12), and the bottom of the liquid storage area (12) is provided with a liquid delivery pump (13); The top of the glue spraying head (20) is provided with a top seat (21), the top seat (21) is connected with the inside of the glue spraying head (20), and the outlet of the liquid delivery pump (13) is communicated with the inside of the top seat (21) through a connecting pipe (14); The two ends of the roller coating shaft (30) are symmetrically provided with a fixing frame (31), and the top of the two groups of fixing frames (31) is connected with the bottom of the glue tank (10), one group of fixing frames (31) is provided with a servo motor (34) for driving the rotation of the roller coating shaft (30), and the surface of the roller coating shaft (30) is provided with a detachable uniform coating brush sleeve (33). 2.The LED display screen module glue coating device according to claim 1, characterized in that: The top of the glue tank (10) is provided with an adding pipe (11) for adding glue inside. 3.The LED display screen module glue coating device according to claim 1, characterized in that: The two sides of the top seat (21) are connected with the bottom of the glue tank (10) through several groups of L-shaped connecting supports (22). 4.The LED display screen module glue coating device according to claim 1, characterized in that: The fixing frame (31) is provided with a bearing (32) for mounting the roller coating shaft (30). 5.The LED display screen module gluing device according to claim 1, characterized in that: The two ends of the uniform coating brush sleeve (33) are hinged with several groups of fixing ears (35). 6.The LED display screen module glue coating device according to claim 5, characterized in that: Each group of fixing ears (35) is provided with a fixing bolt (36) for fixing the end of the roller coating shaft (30). 7.The LED display screen module gluing device according to claim 1, characterized in that: The bottom of the piston rod (41) of the lifting hydraulic cylinder (40) is coaxially provided with a connecting seat (42). 8.The LED display screen module glue coating device according to claim 7, characterized in that: The connecting seat (42) is connected with the top center of the glue tank (10) through at least three groups of fixing bolts.