Pressure maintaining device for realizing automatic lamination of pressure-sensitive adhesive

By designing an automatic bonding and pressure-maintaining device, the problem of poor bonding of pressure-sensitive adhesives due to their thinness and large area during the bonding process is solved, automatic detection and pressure maintenance are achieved, and the flatness and bonding quality of the adhesive are ensured.

CN223457277UActive Publication Date: 2025-10-21DONG GUAN GAO WEI GUANG XUE DIAN ZI YOU XIAN GONG SI
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Patent Information

Application Number
CN202423058750.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-10-21
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing technologies cannot effectively solve the problem of poor bonding caused by the extremely thin and large-area characteristics of pressure-sensitive adhesives during the bonding process, especially defects such as delamination, adhesive leakage and deviation caused by tilt/shift.

Method used

An automatic laminating and pressure-maintaining device consisting of a frame, a vacuum adsorption table, a pressing mechanism, a peeling mechanism and a CCD camera was designed. Through vacuum adsorption, pressing, visual inspection and peeling steps, the automatic laminating and pressure-maintaining of pressure-sensitive adhesives were achieved, ensuring the flatness and laminating quality of the adhesive.

Benefits of technology

It achieves 100% appearance and dimensional inspection during the automated lamination process of pressure-sensitive adhesives, ensuring the flatness and lamination quality of the adhesive, providing timely feedback and tracking of the lamination quality of each product, and avoiding adverse phenomena caused by manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pressure-maintaining device for realizing automatic lamination of a pressure-sensitive adhesive, which comprises a rack, a roll material unwinding wheel for unwinding a pressure-sensitive adhesive roll material is arranged on the rack, and an upper film recycling wheel for recycling an upper film of the pressure-sensitive adhesive roll material is further arranged on the rack. A first vacuum adsorption table and a second vacuum adsorption table are arranged on the machine frame in a front-back mode, a guide wheel is arranged at the front end of the first vacuum adsorption table, a waste winding wheel is further arranged on the machine frame, and a transition wheel is arranged between the waste winding wheel and the second vacuum adsorption table. A pressure-sensitive adhesive roll material after film feeding and film removing passes through the surface of the first vacuum adsorption table, bypasses the transition wheel and is wound and recycled by the waste material winding wheel; ringamp can be completed at a time; pSA (pressure sensitive adhesive) fitting and Ringamp are carried out; the Flex laminating machine has the independent pressure maintaining and optical detection functions, the appearance and the laminating size are 100% detected along with lines, and the laminating quality of each product can be fed back and tracked in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to product pressure maintaining technical field, concretely is a kind of automatic bonding pressure maintaining device for pressure sensitive adhesive is realized. BACKGROUND

[0002] Krakatoa (need to explain the meaning of Chinese) design is composed of multiple layers superimposed, and is composed of Ring / Top PSA / Flex / Bottom (need to explain the meaning of Chinese represented by each English letter) pressure sensitive adhesive bonding;Top PSA:0.03mm, Ring is used with Flex bonding;Bottom PSA:0.03mm, bottom PSA Liner (need to explain the meaning of Chinese) is shipped with product and is bonded with system end, and the key process of the product is Ring&PSA bonding and Ring&Flex bonding, since pressure sensitive adhesive is very thin, bonding area is large, there is a very small Tilt / shift (need to explain the meaning of Chinese) that can cause bonding failure (such as delamination / glue leakage / offset, etc.), manual cooperation jig or traditional bonding machine cannot meet the requirements. UTILITY MODEL CONTENTS

[0003] To solve the defects in the prior art, the utility model provides a kind of automatic bonding pressure maintaining device for pressure sensitive adhesive is realized.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] The utility model discloses a kind of automatic bonding pressure maintaining device for pressure sensitive adhesive is realized, including rack, the reel of pressure sensitive adhesive material is unwound and is arranged on the rack, the reel of the upper film of pressure sensitive adhesive material is recycled and is arranged on the rack, the first vacuum adsorption table and the second vacuum adsorption table are arranged on the rack, the first vacuum adsorption table is provided with guide wheel in front end, waste reel is further arranged on the rack, and transition wheel is arranged between waste reel and the second vacuum adsorption table, and the pressure sensitive adhesive material after upper film is unwound is passed from the surface of the first vacuum adsorption table and bypasses the transition wheel and is collected by waste reel recycling;

[0006] The rack is provided with pressing mechanism on the first vacuum adsorption table, and the pressure sensitive adhesive product after unwinding is pressed;

[0007] Further include external manipulator, the external manipulator is used to grab product Ring, and is bonded and pressed with the pressure sensitive adhesive product on material film on the surface of the second vacuum adsorption table, the rack is provided with stripping mechanism on the end of the second vacuum adsorption table, and the product Ring after bonding and the pressure sensitive adhesive assembled product are stripped.

[0008] As a preferred technical solution of the present invention, the rear end of the second vacuum adsorption platform is provided with an inwardly inclined guide slope.

[0009] As an optimal technical solution of the present invention, the pressing mechanism includes a gantry arranged on the frame, the gantry is provided with a vertically downward pressing cylinder, and the telescopic end of the pressing cylinder is provided with a pressing block for pressing the pressure-sensitive adhesive product after the film is removed.

[0010] As a preferred technical solution of the present invention, a linear limiting mechanism is provided between the pressing block and the gantry.

[0011] As a preferred technical solution of the present invention, the linear limiting mechanism includes a vertically upward polished rod arranged on the upper part of the pressing block, and a positioning sleeve for the polished rod to pass through is provided on the gantry.

[0012] As a preferred technical solution of the present invention, the peeling mechanism includes a peeling block provided on the frame and located at the tail of the second vacuum adsorption table.

[0013] As a preferred technical solution of the present invention, a passing gap is formed between the stripping block and the second vacuum adsorption table for only waste materials to pass through.

[0014] As a preferred technical solution of the present invention, the frame is equipped with a CCD camera for visually inspecting the pressed pressure-sensitive adhesive product.

[0015] As a preferred technical solution of the present invention, the frame is provided with a tensioning wheel for tensioning the waste film in front of the waste winding wheel.

[0016] As a preferred technical solution of the present invention, the surfaces of the first vacuum adsorption platform and the second vacuum adsorption platform are both smooth mirror surfaces.

[0017] The beneficial effects of the utility model are:

[0018] 1. The automatic PSA laminating and pressure maintaining device realizes the feeding of the PSA roll, the fixing of the roll on the roll unwinding wheel on the machine table, the fixing of the upper film on the upper film recycling wheel, the fixing of the bottom film on the waste roll, the rotation of the material belt to the first and second vacuum adsorption tables, the vacuum adsorption of the material belt by the first and second vacuum adsorption tables to ensure the flatness of the PSA during lamination, the movement of the CCD above the PSA roll to detect the appearance of the PSA roll, the judgment of the roll as unqualified and the winding of the roll into the waste roll if there is any abnormality (wrinkles, missing corners or poor punching), the suction of the ring from the wafer disc by the suction nozzle, the movement of the nozzle above the cleaning equipment for plasma cleaning, the lamination of the ring and the PSA roll under the guidance of the CCD, the pre-pressing of 1.5 s (1-5 kgf) during the lamination to ensure sufficient lamination, the automatic lifting of the nozzle after pre-pressing, the rotation of the material belt to separate the PSA roll from the bottom of the bottom film and move to the CCD above to check the appearance and size after lamination, the rejection of the product if it does not meet the requirements, and the rotation of the next PSA to repeat the above steps.

[0019] 2. The automatic PSA laminating and pressure maintaining device realizes the lamination of the ring and the PSA and the lamination of the ring and the flex at one time, has the functions of separate pressure maintaining and optical detection, detects the appearance and the lamination size at 100%, can feedback and track the lamination quality of each product in time. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are included to provide a further understanding of the present application, constitute a part of the specification and are used to explain the present application together with the embodiments of the present application and do not constitute a limitation on the present application. In the drawings:

[0021] Figure 1 is a structural schematic view of the automatic PSA laminating and pressure maintaining device of the present application;

[0022] Figure 2 is a structural schematic view of the peeling mechanism of the automatic PSA laminating and pressure maintaining device of the present application;

[0023] Figure 3 is a work flow chart of the automatic PSA laminating and pressure maintaining device of the present application.

[0024] In the drawings: 1, machine frame; 2, roll unwinding wheel; 3, upper film recycling wheel; 4, first vacuum adsorption table; 5, second vacuum adsorption table; 6, guide wheel; 7, waste roll; 8, transition wheel; 9, pressing mechanism; 10, CCD camera; 11, peeling mechanism; 12, guide slope; 13, gantry; 14, pressing cylinder; 15, pressing block; 16, light rod; 17, positioning sliding sleeve; 18, peeling block; 19, tensioning wheel. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0026] Example: Figure 1 、 Figure 2 、 Figure 3 As shown, the utility model is a device for automatically laminating and maintaining pressure of a pressure-sensitive adhesive, comprising a frame 1, a roll unwinding wheel 2 for unwinding a pressure-sensitive adhesive roll is provided on the frame 1, an upper film recovery wheel 3 for recovering the upper film of the pressure-sensitive adhesive roll is provided on the frame 1, a first vacuum adsorption platform 4 and a second vacuum adsorption platform 5 are arranged in a front-to-back manner on the frame 1, a guide wheel 6 is provided at the front end of the first vacuum adsorption platform 4, a waste material rewinding wheel 7 is further provided on the frame 1, and a transition wheel 8 is provided between the waste material rewinding wheel 7 and the second vacuum adsorption platform 5, and the pressure-sensitive adhesive roll after the upper film is removed passes through the surface of the first vacuum adsorption platform 4 and bypasses the transition wheel 8 to be rewound and recovered by the waste material rewinding wheel 7;

[0027] The frame 1 is provided with a pressing mechanism 9 on the first vacuum adsorption table 4 for pressing the pressure-sensitive adhesive product after the film is removed; it also includes an external manipulator, which is used to grab the product Ring and press it together with the pressure-sensitive adhesive product on the material film on the surface of the second vacuum adsorption table 5. The frame 1 is provided with a peeling mechanism 11 at the end of the second vacuum adsorption table 5 for peeling the product Ring and the pressure-sensitive adhesive assembled product after the bonding. The pressure-sensitive adhesive roll is loaded and fixed on the roll unwinding wheel 2 of the machine, the upper film is loaded into the upper film recovery wheel 3 and fixed, the bottom film is loaded into the waste material rewinding wheel 7 and fixed, and the material belt is rotated to feed the first vacuum adsorption table 4 and the second vacuum adsorption table 5. The first vacuum adsorption table 4 and the second vacuum adsorption table 5 vacuum adsorb the material belt to ensure the flatness of the pressure-sensitive adhesive during bonding. The CCD moves to the top of the pressure-sensitive adhesive roll to detect the appearance of the pressure-sensitive adhesive roll. If there is any abnormality (wrinkling, missing corners or poor punching, etc.), it is judged as unqualified and treated as Waste material is rolled in; the nozzle picks up the ring from the wafer tray, moves to the top of the cleaning equipment for plasma cleaning, and is bonded to the pressure-sensitive adhesive roll under the guidance of the CCD. During the bonding process, to ensure sufficient bonding, pre-press for 1.5 seconds (1-5 kgf); the nozzle automatically lifts up after pre-pressing; the material belt is rotated, the pressure-sensitive adhesive roll is peeled off from the bottom of the base film, and moved to the top of the CCD to check the appearance and size after bonding. If it does not meet the requirements, it will be rejected; the material belt is rotated to move the next PSA forward, and the above steps are repeated for the next operation.

[0028] The rear end of the second vacuum adsorption table 5 is provided with an inwardly inclined guide slope 12, so that the bottom film has a certain folding angle, which makes it easier to peel off the product after pressure maintenance.

[0029] Among them, the pressing mechanism 9 includes a gantry 13 arranged on the frame 1, and a vertically downward pressing cylinder 14 is provided on the gantry 13. The telescopic end of the pressing cylinder 14 is provided with a pressing block 15 for pressing the pressure-sensitive adhesive product after the film is removed. Such pressing ensures better flatness.

[0030] A linear limiting mechanism is provided between the pressing block 15 and the gantry 13. The linear limiting mechanism comprises a vertically upward polished rod 16 provided on the upper portion of the pressing block 15, and a positioning sleeve 17 provided on the gantry 13 for the polished rod 16 to pass through, which serves as a linear limiting mechanism to prevent deviation.

[0031] The stripping mechanism 11 includes a stripping block 18 provided on the frame 1 and located at the tail of the second vacuum adsorption table 5. A gap is formed between the stripping block 18 and the second vacuum adsorption table 5 for only waste to pass through, making it convenient to strip the product after pressure maintenance.

[0032] The rack 1 is equipped with a CCD camera 10 for visual inspection of the pressed pressure-sensitive adhesive product. The visual inspection is performed to check the appearance and size of the pressed product. If the product does not meet the requirements, it will be rejected.

[0033] The frame 1 is provided with a tensioning wheel 19 for tensioning the waste film in front of the waste winding wheel 7, so that the waste film is tensioned and can be easily wound and recycled.

[0034] The surfaces of the first vacuum adsorption table 4 and the second vacuum adsorption table 5 are both smooth mirror surfaces, which avoids scratching the coil.

[0035] This new model can complete Ring & PSA bonding and Ring & Flex bonding in one go, and has independent pressure holding and optical detection functions. It can 100% detect the appearance and bonding dimensions along the line, and can provide timely feedback and track the bonding quality of each product.

[0036] In operation, the pressure sensitive adhesive roll is fed, and the roll is fixed on the roll unwinding wheel 2 of the machine table, the upper film is fixed on the upper film recycling wheel 3, the bottom film is fixed on the waste roll wheel 7, the material belt is rotated to feed the first vacuum adsorption table 4 and the second vacuum adsorption table 5, the first vacuum adsorption table 4 and the second vacuum adsorption table 5 adsorb the material belt, ensure the flatness of the pressure sensitive adhesive when pasting, the CCD moves above the pressure sensitive adhesive roll to detect the appearance of the pressure sensitive adhesive roll, if there is any abnormality (wrinkles, missing corners or poor punching, etc.), it is judged as unqualified and is wound into waste; the suction nozzle sucks the ring from the wafer disc and moves above the cleaning device to do plasma cleaning, and is pasted with the pressure sensitive adhesive roll under the guidance of the CCD, and in the pasting process, 1.5 s (1-5 kgf) of pre-pressing is ensured to ensure sufficient pasting, the suction nozzle is automatically lifted after pre-pressing; the material belt is rotated, the pressure sensitive adhesive roll is peeled off from the bottom of the bottom film and moves above the CCD to check the appearance and size after pasting, if it does not meet the requirements, it is rejected; the next PSA is moved forward by rotating the material belt, and the above steps are repeated for the next operation.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A pressure sensitive adhesive automatic bonding pressure maintaining device, characterized by, The application relates to a machine for producing a pressure-sensitive adhesive product, comprising a rack (1) provided with a roll material unwinding wheel (2) for unwinding a roll of pressure-sensitive adhesive material, an upper film recycling wheel (3) for recycling the upper film of the pressure-sensitive adhesive material, a first vacuum adsorption table (4) and a second vacuum adsorption table (5) arranged in front of and behind each other, a guide wheel (6) arranged at the front end of the first vacuum adsorption table (4), a waste material winding wheel (7) arranged on the rack (1), and a transition wheel (8) arranged between the waste material winding wheel (7) and the second vacuum adsorption table (5), wherein the pressure-sensitive adhesive material after the upper film is removed passes over the surface of the first vacuum adsorption table (4) and is wound and recycled by the waste material winding wheel (7) after passing around the transition wheel (8). The rack (1) is provided with a pressing mechanism (9) for pressing the pressure-sensitive adhesive product after the film is removed on the first vacuum adsorption table (4). The application further comprises an external mechanical arm for grabbing the product Ring and pressing the pressure-sensitive adhesive product on the film on the surface of the second vacuum adsorption table (5), and the rack (1) is provided with a stripping mechanism (11) for stripping the assembled product of the product Ring and the pressure-sensitive adhesive after being pressed on the end of the second vacuum adsorption table (5).

2. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 1, wherein The rear end of the second vacuum adsorption table (5) is provided with an inwardly inclined guide slope (12).

3. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 1, wherein The pressing mechanism (9) comprises a portal frame (13) arranged on the rack (1), a vertically downward pressing cylinder (14) arranged on the portal frame (13), and a pressing block (15) arranged at the telescopic end of the pressing cylinder (14) for pressing the pressure-sensitive adhesive product after the film is removed.

4. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 3, wherein A linear limiting mechanism is arranged between the pressing block (15) and the portal frame (13).

5. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 4, wherein The linear limiting mechanism comprises a light rod (16) arranged vertically upward on the upper portion of the pressing block (15), and a positioning sliding sleeve (17) arranged on the portal frame (13) and through which the light rod (16) passes.

6. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 1, wherein The stripping mechanism (11) comprises a stripping block (18) arranged on the rack (1) and located at the tail of the second vacuum adsorption table (5).

7. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 6, wherein The stripping block (18) and the second vacuum adsorption table (5) form a through gap only for the waste material.

8. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 1, wherein The rack (1) is provided with a CCD camera (10) for visually detecting the pressure-sensitive adhesive product after being pressed.

9. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 1, wherein The rack (1) is provided with a tensioning wheel (19) arranged in front of the waste material winding wheel (7) for tensioning the waste material film.

10. The automatic pressure maintaining device for pressure sensitive adhesive according to claim 1, wherein The surfaces of the first vacuum adsorption table (4) and the second vacuum adsorption table (5) are smooth mirror surfaces.