A screen adhesive application device

Abstract

This utility model discloses a screen adhesive coating device, which includes an adhesive coating mechanism, a winding mechanism, an unwinding mechanism, and a support rod mechanism. The adhesive coating mechanism is disposed between the unwinding mechanism and the winding mechanism. A lint-free cloth passes sequentially through the unwinding mechanism, the adhesive coating mechanism, and the winding mechanism. The unwinding mechanism unwinds the lint-free cloth, and the winding mechanism winds it up. The lint-free cloth is wrapped around the support rod mechanism. The adhesive outlet of the adhesive coating mechanism is close to the lint-free cloth, dispensing adhesive onto it. The unwinding mechanism unwinds the lint-free cloth, passes it through the support rod mechanism, and then winds it up on the winding mechanism. During this process, the lint-free cloth passes through the adhesive coating mechanism, and the adhesive outlet of the adhesive coating mechanism is in contact with the lint-free cloth. The adhesive permeates through the lint-free cloth and is applied to the screen, thus completing the screen adhesive coating process. This method achieves uniform adhesive coating on the screen without generating air bubbles, improving the coating effect.

Description

Technical Field

[0001] This application relates to the field of screen adhesive coating equipment technology, and more particularly to a screen adhesive coating apparatus. Background Technology

[0002] With the rapid advancements in electronic products, consumers are demanding higher performance from them, leading to a trend towards smaller and more portable designs. The screen serves as the touch panel for human-machine interaction, while also protecting the internal components and hardware. The assembly process involves applying adhesive to the screen using a gluing machine, then attaching and bonding the screen to the components to complete the screen bonding process.

[0003] In current screen adhesive application processes, the adhesive is applied in a thicker layer and is prone to forming air bubbles, resulting in poor adhesive application quality. Utility Model Content

[0004] The technical problem to be solved by this application is that in the current screen adhesive coating process, the adhesive thickness is relatively thick and air bubbles are easily generated during the coating process, resulting in poor coating effect.

[0005] In order to solve the above-mentioned technical problems, or at least partially solve the above-mentioned technical problems, this application provides a screen adhesive coating device.

[0006] This utility model discloses a screen adhesive coating device, which includes an adhesive coating mechanism, a winding mechanism, an unwinding mechanism, and a support rod mechanism;

[0007] The gluing mechanism is located between the unwinding mechanism and the winding mechanism. The cleanroom cloth passes through the unwinding mechanism, the gluing mechanism, and the winding mechanism in sequence. The unwinding mechanism unwinds the cleanroom cloth, and the winding mechanism winds the cleanroom cloth. The cleanroom cloth is wound around the support rod mechanism. The glue outlet of the gluing mechanism is close to the cleanroom cloth to apply glue to it.

[0008] Preferably, the system includes a support base, and the glue application mechanism, the winding mechanism, the unwinding mechanism, and the support rod mechanism are fixedly installed on the support base.

[0009] Preferably, the glue application mechanism includes a dispensing valve, a first fixing plate, and a second fixing plate. The dispensing valve is fixedly connected to the first fixing plate, the first fixing plate is connected to the second fixing plate, and the second fixing plate is connected to the support base.

[0010] Preferably, the support base is provided with a fixing groove and an opening, the second fixing plate is installed in the fixing groove, the second fixing plate is provided with a limiting groove, the position of the limiting groove matches the position of the opening, and the second fixing plate and the support base are connected by fasteners.

[0011] Preferably, the support rod mechanism includes a first movable plate and a second movable plate, and the support base is provided with a first movable groove and a second movable groove. The first movable plate is installed in the first movable groove, and the second movable plate is installed in the second movable groove.

[0012] Preferably, the first movable plate includes a first slot, the first movable slot having a first groove hole, the first groove hole being matched with the position of the first slot.

[0013] The second movable plate includes a second slot, and the second movable slot has a second hole, the second hole being matched with the position of the second slot.

[0014] Preferably, a first movable support rod and a first movable roller are provided on the first movable plate, the first movable roller and the first movable support rod are rotatably connected, and the first movable roller rotates on the first movable support rod. A second movable support rod and a second movable roller are provided on the second movable plate, the second movable roller and the second movable support rod are rotatably connected, and the second movable roller rotates on the second movable support rod.

[0015] Preferably, the support rod mechanism includes a plurality of first support rod assemblies and second support rod assemblies. The first support rod assembly includes a first support rod and a first rotating roller. The first rotating roller is connected to the first support rod and is in contact with the lint-free cloth.

[0016] The second support rod assembly includes a second support rod, a second rotating roller, and a pressure roller. The second rotating roller is connected to the second support rod, and the circumferential side of the pressure roller contacts the circumferential side of the rotating roller. The lint-free cloth is held between the pressure roller and the rotating roller.

[0017] Preferably, the winding mechanism includes a winding reel and a winding motor, the winding motor being connected to the winding reel, the winding reel and the support rod mechanism being disposed on the same side surface of the support base, and the winding motor and the winding reel being disposed on opposite sides of the support base.

[0018] Preferably, the unwinding mechanism includes an unwinding reel and an unwinding motor, the unwinding motor being connected to the unwinding reel, the unwinding reel and the support rod mechanism being disposed on the same side surface of the support base, and the unwinding motor and the unwinding reel being disposed on opposite sides of the support base.

[0019] The technical solution provided in this application has the following advantages compared with the prior art:

[0020] This application provides a screen adhesive coating device in which an unwinding mechanism unwinds a lint-free cloth, which passes through a support rod mechanism and is then wound up on a rewinding mechanism. During the process of passing through the support rod mechanism, the lint-free cloth passes through an adhesive coating mechanism, where the adhesive outlet of the adhesive coating mechanism adheres to the lint-free cloth. Adhesive is then applied to the screen through the lint-free cloth, thereby completing the screen adhesive coating process. This device can achieve uniform adhesive coating on the screen without generating air bubbles, thus improving the adhesive coating effect. Attached Figure Description

[0021] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the screen adhesive coating device provided in this application Figure 1 ;

[0024] Figure 2 A schematic diagram of the screen adhesive coating device provided in this application Figure 2 ;

[0025] Figure 3 This application provides an exploded structural diagram of a screen adhesive coating device.

[0026] Figure 4 This application provides a schematic diagram of the connection structure of the support rod mechanism and support base of a screen adhesive coating device.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Screen adhesive application device; 2. Cleanroom wipes;

[0029] 11. Glue application mechanism; 111. Glue dispensing valve; 112. First fixing plate; 113. Second fixing plate; 1131. Limiting groove;

[0030] 12. Rewinding mechanism; 121. Rewinding reel; 122. Rewinding motor;

[0031] 13. Unwinding mechanism; 131. Unwinding reel; 132. Unwinding motor;

[0032] 14. Support rod mechanism;

[0033] 141. First movable plate; 1411. First slot; 1412. First movable support rod; 1413. First movable rotating roller;

[0034] 142. Second movable plate; 1421. Second slot; 1422. Second movable support rod; 1423. Second movable roller;

[0035] 143. Limit plate;

[0036] 144. First support rod assembly; 1441. First support rod; 1442. First rotating roller;

[0037] 145. Second support rod assembly; 1451. Second support rod; 1452. Second rotating roller; 1453. Pressure roller;

[0038] 15. Support base; 151. Fixing groove; 152. Opening; 153. First moving groove; 1531. First slot hole. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0040] See Figures 1-4 This utility model discloses a screen adhesive application device 1, which includes an adhesive application mechanism 11, a winding mechanism 12, an unwinding mechanism 13, a support rod mechanism 14, and a support base 15. The adhesive application mechanism 11, the winding mechanism 12, the unwinding mechanism 13, and the support rod mechanism 14 are fixedly installed on the support base 15. The adhesive application mechanism 11 is used for applying adhesive, the winding mechanism 12 is used for winding up the cleanroom cloth 2, the unwinding mechanism 13 is used for unwinding the cleanroom cloth 2, and the support rod mechanism 14 is used for guiding the cleanroom cloth 2. The adhesive application mechanism 11 is disposed between the unwinding mechanism 13 and the winding mechanism 12. The cleanroom cloth 2 passes through the unwinding mechanism 13, the adhesive application mechanism 11, and the winding mechanism 12 in sequence. The unwinding mechanism 13 unwinds the cleanroom cloth 2, and the winding mechanism 12 winds up the cleanroom cloth 2. The cleanroom cloth 2 is wound around the support rod mechanism 14. The adhesive outlet of the adhesive application mechanism 11 is close to the cleanroom cloth 2 to apply adhesive to the cleanroom cloth 2.

[0041] Specifically, the unwinding mechanism 13 unwinds the cleanroom cloth 2, passes through the support rod mechanism 14, and then winds it up on the winding mechanism 12. During the process of passing through the support rod mechanism 14, the cleanroom cloth 2 passes through the glue application mechanism 11. The glue outlet of the glue application mechanism 11 is attached to the cleanroom cloth 2, and the glue is applied to the screen through the cleanroom cloth 2, thereby completing the screen glue application process. This can achieve uniform glue application on the screen without generating bubbles, thus improving the glue application effect.

[0042] Specifically, the screen is a TF flexible screen (thin-film transistor flexible screen), and the adhesive is fluoride.

[0043] The adhesive application mechanism 11 includes a dispensing valve 111, a first fixing plate 112, and a second fixing plate 113. The dispensing valve 111 is fixedly connected to the first fixing plate 112, the first fixing plate 112 is connected to the second fixing plate 113, and the second fixing plate 113 is connected to the support base 15. Specifically, the dispensing valve 111 is a pneumatic dispensing valve 111, which outputs and applies adhesive to the screen at the dispensing port under air pressure. The dispensing valve 111 is mounted on the first fixing plate 112 by fasteners, and the second fixing plate 113 is also mounted to the support base 15 by fasteners. The fasteners can be screws, bolts, etc.

[0044] The support base 15 is provided with a fixing groove 151 and an opening 152. The second fixing plate 113 is installed in the fixing groove 151. The second fixing plate 113 is provided with a limiting groove 1131. The position of the limiting groove 1131 matches the position of the opening 152. The second fixing plate 113 and the support base 15 are connected by fasteners.

[0045] Specifically, the second fixing plate 113 is installed in the fixing groove 151 and can move within the fixing groove 151. Multiple openings 152 are provided in the fixing groove 151, with equal distances between adjacent openings 152. Limiting grooves 1131 are provided on two opposite sides of the second fixing plate 113. Fasteners pass through the limiting grooves 1131 and the openings 152 to fix the second fixing plate 113 within the area of ​​the fixing groove 151. Because multiple openings 152 are provided in the fixing groove 151, the position of the second fixing plate 113 can be adjusted by installing fasteners at the corresponding openings 152, thereby adjusting the distance between the dispensing port of the dispensing valve 111 of the adhesive applicator 11 and the cleanroom cloth 2, allowing the dispensing valve 111 to move closer to or further away from the cleanroom cloth 2.

[0046] The support rod mechanism 14 includes a first movable plate 141 and a second movable plate 142. The support base 15 is provided with a first movable groove 153 and a second movable groove. The first movable plate 141 is installed in the first movable groove 153, and the second movable plate 142 is installed in the second movable groove.

[0047] Specifically, the first movable plate 141 can move within the first movable slot 153, and the second movable plate 142 can move within the second movable slot. The first movable plate 141 includes a first slot 1411, and the first movable slot 153 has a first slot hole 1531. The first slot hole 1531 is matched with the position of the first slot 1411. The second movable plate 142 includes a second slot 1421, and the second movable slot has a second slot hole. The second slot hole is matched with the position of the second slot 1421. During installation, fasteners are installed through the first slot 1531 and the first slot 1411 to fix the first movable plate 141 to the support base 15. Similarly, fasteners are installed through the second slot 1421 to fix the second movable plate 142 to the support base 15. Since multiple first slots 1531 are opened within the range of the first movable slot 153 and multiple second slots are opened within the range of the second movable slot, the first movable plate 141 can be fixed in its current position after moving within the first movable slot 153 and then fixed in its current position by fasteners. Similarly, the second movable plate 142 can also be fixed in its current position by installing fasteners in the corresponding positions of the second slots 1421.

[0048] A first movable support rod 1412 and a first movable roller 1413 are provided on the first movable plate 141. The first movable roller 1413 is rotatably connected to the first movable support rod 1412 and rotates on the first movable support rod 1412. A second movable support rod 1422 and a second movable roller 1423 are provided on the second movable plate 142. The second movable roller 1423 is rotatably connected to the second movable support rod 1422 and rotates on the second movable support rod 1422. Specifically, the cleanroom cloth 2 is wrapped around the first movable roller 1413 and the second movable roller 1423. By moving the first movable plate 141 and the second movable plate 142, the first movable roller 1413 and the second movable roller 1423 can be moved accordingly, and the cleanroom cloth 2 will move closer to or further away from the dispensing valve 111 accordingly. The dispensing port of the dispensing valve 111 can contact the cleanroom cloth 2, allowing the adhesive to pass through the cleanroom cloth 2 to apply adhesive to the screen to be coated.

[0049] The support rod mechanism 14 includes a limiting plate 143, which is fixedly connected to the first movable plate 141. Specifically, the limiting plate 143 is installed at a fixed position on the first movable plate 141, and a sensor is provided on the limiting plate 143 to detect whether there is a cleanroom cloth 2 and to determine whether the cleanroom cloth 2 has been used up. The sensor is an infrared sensor.

[0050] The support rod mechanism 14 includes multiple first support rod assemblies 144 and second support rod assemblies 145. The first support rod assembly 144 includes a first support rod 1441 and a first rotating roller 1442. The first rotating roller 1442 is connected to the first support rod 1441 and contacts the cleanroom cloth 2. The second support rod assembly 145 includes a second support rod 1451, a second rotating roller 1452, and a pressure roller 1453. The second rotating roller 1452 is connected to the second support rod 1451. The circumferential side of the pressure roller 1453 contacts the circumferential side of the rotating roller, and the cleanroom cloth 2 is clamped by the pressure roller 1453 and the rotating roller.

[0051] Specifically, the first rotating roller 1442 rotates on the first support rod 1441, and the second rotating roller 1452 rotates on the second support rod 1451. The cleanroom cloth 2 passes through the first rotating roller 1442 and the second rotating roller 1452. The cleanroom cloth 2 changes its transmission direction on the first rotating roller 1442, and the position of the second rotating roller 1452 allows the cleanroom cloth 2 to remain flat. The second rotating roller 1452 contacts the pressure roller 1453, and the cleanroom cloth 2 passes between the second rotating roller 1452 and the pressure roller 1453. Through the contact between the second rotating roller 1452 and the pressure roller 1453, the cleanroom cloth 2 is prevented from folding, and the cleanroom cloth 2 remains flat when it reaches the glue outlet of the glue coating mechanism 11.

[0052] The unwinding mechanism 13 includes an unwinding reel 131 and an unwinding motor 132. The unwinding motor 132 is connected to the unwinding reel 131. The unwinding reel 131 and the support rod mechanism 14 are disposed on the same side surface of the support base 15. The unwinding motor 132 and the unwinding reel 131 are disposed on opposite sides of the support base 15. Specifically, the unwinding motor 132 is a torque motor. The unwinding reel 131 has a mounting structure that matches the structure and shape of the output shaft of the unwinding motor 132. The unwinding reel 131 is mounted on the output shaft of the unwinding motor 132. Rotation of the output shaft of the unwinding motor 132 can drive the unwinding reel 131 to rotate synchronously. The unwinding reel 131 is used to hold unused cleanroom wipes 2. The rotation of the unwinding motor 132 drives the rotation of the unwinding reel 131, allowing the cleanroom wipes 2 to unwind. The cleanroom wipes 2 are passed along the first support rod assembly 144 and the second support rod assembly 145, and are wound up at the winding mechanism 12. When the cleanroom cloth 2 on the unwinding reel 131 is about to be unwound or completely unwound, you can remove the unwinding reel 131 from the unwinding motor 132 and replace it with a new reel of cleanroom cloth 2.

[0053] The winding mechanism 12 includes a winding reel 121 and a winding motor 122. The winding motor 122 is connected to the winding reel 121. The winding reel 121 and the support rod mechanism 14 are disposed on the same side surface of the support base 15. The winding motor 122 and the winding reel 121 are disposed on opposite sides of the support base 15. Specifically, the winding motor 122 is a stepper motor. The winding reel 121 is provided with a mounting structure that matches the output shaft structure and shape of the winding motor 122. The winding reel 121 is mounted on the output shaft of the winding motor 122. By rotating the output shaft of the winding motor 122, the winding motor 122 can drive the winding reel 121 to rotate, thereby winding the adhesive-coated cleanroom cloth 2 into a roll, and the adhesive-coated cleanroom cloth 2 can be rolled up.

[0054] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0055] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0056] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0057] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0058] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0059] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0060] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Since these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

[0061] The above description describes specific embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A screen gluing apparatus characterized by comprising: It includes an adhesive coating mechanism, a winding mechanism, an unwinding mechanism, and a support rod mechanism; The gluing mechanism is located between the unwinding mechanism and the winding mechanism. The cleanroom cloth passes through the unwinding mechanism, the gluing mechanism, and the winding mechanism in sequence. The unwinding mechanism unwinds the cleanroom cloth, and the winding mechanism winds the cleanroom cloth. The cleanroom cloth is wound around the support rod mechanism. The glue outlet of the gluing mechanism is close to the cleanroom cloth to apply glue to it.

2. The apparatus of claim 1, wherein, The system includes a support base, and the glue application mechanism, the winding mechanism, the unwinding mechanism, and the support rod mechanism are fixedly installed on the support base.

3. The apparatus of claim 2, wherein, The glue application mechanism includes a dispensing valve, a first fixing plate, and a second fixing plate. The dispensing valve is fixedly connected to the first fixing plate, the first fixing plate is connected to the second fixing plate, and the second fixing plate is connected to the support base.

4. The apparatus of claim 3, wherein, The support base is provided with a fixing groove and an opening. The second fixing plate is installed in the fixing groove. The second fixing plate is provided with a limiting groove. The position of the limiting groove matches the position of the opening. The second fixing plate and the support base are connected by fasteners.

5. The apparatus of claim 2, wherein, The support rod mechanism includes a first movable plate and a second movable plate. The support base is provided with a first movable groove and a second movable groove. The first movable plate is installed in the first movable groove, and the second movable plate is installed in the second movable groove.

6. The apparatus of claim 5, wherein, The first movable plate includes a first slot, and the first movable slot has a first groove hole, the first groove hole being matched with the position of the first slot. The second movable plate includes a second slot, and the second movable slot has a second hole, the second hole being matched with the position of the second slot.

7. The apparatus of claim 5, wherein, A first movable support rod and a first movable roller are provided on the first movable plate. The first movable roller is rotatably connected to the first movable support rod and rotates on the first movable support rod. A second movable support rod and a second movable roller are provided on the second movable plate. The second movable roller is rotatably connected to the second movable support rod and rotates on the second movable support rod.

8. The apparatus of claim 1, wherein, The support rod mechanism includes multiple first support rod assemblies and second support rod assemblies. The first support rod assembly includes a first support rod and a first rotating roller. The first rotating roller is connected to the first support rod and is in contact with the cleanroom cloth. The second support rod assembly includes a second support rod, a second rotating roller, and a pressure roller. The second rotating roller is connected to the second support rod, and the circumferential side of the pressure roller contacts the circumferential side of the rotating roller. The lint-free cloth is held between the pressure roller and the rotating roller.

9. The apparatus of claim 2, wherein, The winding mechanism includes a winding reel and a winding motor. The winding motor is connected to the winding reel. The winding reel and the support rod mechanism are disposed on the same side surface of the support base. The winding motor and the winding reel are disposed on opposite sides of the support base.

10. The apparatus of claim 2, wherein, The unwinding mechanism includes an unwinding reel and an unwinding motor. The unwinding motor is connected to the unwinding reel. The unwinding reel and the support rod mechanism are disposed on the same side surface of the support base. The unwinding motor and the unwinding reel are disposed on opposite sides of the support base.

Images