OCA (optical clear adhesive) defoaming device

By designing an OCA optical adhesive defoaming device that includes a stretching component and a limiting mechanism, the problem of reduced flatness tension caused by excessive force from the curling component during the defoaming process of optical adhesive was solved, achieving a more efficient defoaming effect.

CN223716448UActive Publication Date: 2025-12-26SUZHOU JING TONG OPTRONICS TECH CO LTD
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Patent Information

Application Number
CN202520037052.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-12-26
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Existing OCA optical adhesives are prone to reduced flatness tension during defoaming due to excessive force applied by the curling components, which affects the defoaming effect and recycling process.

Method used

A device comprising a base plate, a pressing box, a roller assembly, a pressing component, a winding component, and a stretching component is designed. Through the support plate and limiting mechanism of the stretching component, the other end of the optical adhesive is tightened by a drive motor and a gear system, ensuring that the optical adhesive in the flat state is not pulled by the winding component during the defoaming process, thereby improving the flatness stability.

Benefits of technology

It effectively improves the flatness stability and defoaming effect of optical adhesive, avoids the problem of reduced tension of optical adhesive caused by curling, and enhances the defoaming effect.

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Abstract

The utility model discloses an OCA optical cement defoaming device which comprises a bottom plate, a pressing box, a roller group, a pressing assembly, a rolling assembly and a stretching assembly, the stretching assembly is arranged, a motor connected with a rotating shaft through the front side of a supporting plate drives the rotating shaft and a movable plate to rotate synchronously, and the other end of the optical cement is stretched and tightened; the driving motor drives the driving gear to enable the adjusting gear block to be meshed and subjected to circular rotation adjustment and then to be in butt joint and clamped with the limiting groove, so that when the movable plate needs to rotate, the rotating shaft is in a straight state while rotating through meshing and clamping, and the flattening stability of the optical cement and the defoaming effect are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to OCA optical glue production and processing equipment technical field, concretely is a kind of OCA optical glue bubble removing device. BACKGROUND

[0002] OCA optical glue is used for cementing transparent optical element Special adhesive;OCA optical glue requires colorless transparent, light transmittance is above 90%, cementing strength is good, and can be cured at room temperature or medium temperature, and has small curing shrinkage and other characteristics, OCA optical glue often appears bubble adverse phenomenon in the process of production, the existing solution mode is to replace mould and adjust the depth of cut of mould, these two kinds of solution mode are more complicated, and only reduce the probability of bubble occurrence, cannot completely solve the problem of bubble.

[0003] For example, the application number CN202021017899.5 discloses an OCA optical glue bubble removing device, which removes bubbles by extrusion and scraping of the lower scraper and the upper scraper during the movement of the OCA optical glue strip.

[0004] The above-mentioned OCA optical glue is removed by adopting the winding and extruding mode, but when the OCA optical glue is in a flat state and is extruded to remove bubbles and then is rolled up for recycling, the optical glue in the sleeved state at the other end may shrink and reduce the tension of the flat optical glue under the effect of the force, thereby affecting the flat bubble removing and recycling process of the optical glue. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] To solve the problems of the prior art, the utility model provides an OCA optical glue bubble removing device.

[0007] (II) Technical solution

[0008] In order to achieve the above object, the utility model discloses a kind of OCA optical adhesive bubble removing device, including bottom plate, pressing box, gyro wheel group, lower pressure subassembly, winding subassembly and stretching subassembly, the top middle part of the bottom plate is equipped with pressing box, the gyro wheel group and lower pressure subassembly are respectively installed in the inside upper and lower sides of pressing box, the winding subassembly is installed in the top left side of bottom plate, the stretching subassembly is installed in the top right side of bottom plate, the stretching subassembly includes support plate one, pivot, movable plate, support plate two, support plate three and limiting mechanism, the upper end inboard of support plate one and support plate two is respectively with the front and rear sides of pivot rotation cooperation, the front side of pivot is fixed with the middle inboard of movable plate, the upper side of support plate three rear end is fixed with the front right side of limiting mechanism, support plate one, support plate two and support plate three are respectively installed in the top right side of bottom plate.

[0009] Preferably, the limiting mechanism includes a fixed seat, a drive motor, a drive gear, an adjusting tooth block and a limiting groove, the rear right side of the fixed seat is provided with a drive motor, the output end of the drive motor is transmissionally connected with the middle inboard of the drive gear through a drive shaft, the drive gear is rotatably engaged with the right end of the adjusting tooth block, the limiting groove is installed on the lower inboard of the movable plate, and the front right side of the fixed seat is fixed with the upper end of the rear end of the support plate three.

[0010] Preferably, the pivot and the movable plate are coaxially adjusted, which facilitates the effect of limiting the rotation of the movable plate to make the pivot synchronous.

[0011] Preferably, the upper inboard of the support plate one and the support plate two is provided with a notch matching the size of the pivot, and the front and rear sides of the pivot are rotatably adjusted with the notch of the upper inboard of the support plate one and the support plate two, which plays a role of horizontal support and auxiliary rotation positioning of the pivot.

[0012] Preferably, the adjusting tooth block is rotatably adjusted along the left inboard of the fixed seat through the drive gear, and the position of the adjusting tooth block is adjusted to position the movable plate.

[0013] Preferably, the limiting groove is provided with four groups, and the four groups of limiting grooves are arranged in a clockwise direction along the inboard of the movable plate, which facilitates the effect of positioning the movable plate at different rotation angles.

[0014] Preferably, the inboard of the limiting groove is provided with a tooth block, the right end of the adjusting tooth block is rotatably engaged with the inboard tooth block of the limiting groove, which improves the effect of rotatably engaging the adjusting tooth block with the inboard of the limiting groove.

[0015] (Three) beneficial effects

[0016] The utility model provides an OCA optical adhesive bubble removing device. Have the following beneficial effect: through setting up the stretching subassembly, through the motor drive pivot and movable plate synchronous rotation of support plate one front side with pivot connection, and the other end of optical adhesive is in the state of stretching tight, through the drive motor drive driving gear makes the adjustment tooth block meshing and carries out the round rotation adjustment and is butt jointed with the limiting groove and is fixed, thereby when the movable plate needs to rotate, through the meshing and fixed to make the pivot rotation and be in the straight state simultaneously, thereby improve the optical adhesive's flatness and the effect that removes the bubble. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the front view plane structure schematic diagram of the utility model;

[0019] Figure 3 It is the stretching subassembly front view plane structure schematic diagram of the utility model;

[0020] Figure 4 It is the stretching subassembly rear view plane structure schematic diagram of the utility model;

[0021] Figure 5 It is the limiting mechanism rear view plane structure schematic diagram of the utility model.

[0022] In the drawing: bottom plate-1, press box-2, roller group-3, down-pressing subassembly-4, winding subassembly-5, stretching subassembly-6, support plate one-61, pivot-62, movable plate-63, support plate two-64, support plate three-65, limiting mechanism-66, fixed seat-661, drive motor-662, driving gear-663, adjustment tooth block-664, limiting groove-665. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0024] Please refer to Figure 1 And 2The utility model provides a kind of OCA optical adhesive bubble removing device technical scheme: a kind of OCA optical adhesive bubble removing device, including bottom plate 1, press box 2, gyro wheel set 3, press assembly 4, winding assembly 5 and stretch assembly 6, press box 2 is installed in the top end middle part of bottom plate 1, gyro wheel set 3 and press assembly 4 are respectively installed in the inside upper and lower sides of press box 2, winding assembly 5 is installed in the top end left side of bottom plate 1, stretch assembly 6 is installed in the top end right side of bottom plate 1.

[0025] Please refer to Figure 3 And 4 The utility model provides a kind of OCA optical adhesive bubble removing device technical scheme: a kind of OCA optical adhesive bubble removing device, stretch assembly 6 includes support plate one 61, pivot 62, movable plate 63, support plate two 64, support plate three 65 and limiting mechanism 66, the upper end inboard of support plate one 61 and support plate two 64 are respectively pivot 62's front and back two sides are rotationally cooperated, the front side of pivot 62 is fixed with the middle inboard of movable plate 63, support plate three 65 rear end upper side is fixed with the front end right side of limiting mechanism 66, support plate one 61, support plate two 64 and support plate three 65 are respectively installed in the top end right side of bottom plate 1, pivot 62 and movable plate 63 are coaxial round transfer adjustment, it is convenient to limit the rotation of movable plate 63 to make the effect that pivot 62 is synchronous limited rotation, the upper end inboard of support plate one 61 and support plate two 64 is equipped with the notch of size with pivot 62 is consistent, and pivot 62's front and back two sides are respectively with the notch of the upper end inboard of support plate one 61 and support plate two 64 round transfer adjustment, and pivot 62 is supported horizontally and the effect of auxiliary rotation positioning is played.

[0026] Please refer to Figure 5The utility model provides a kind of OCA optical adhesive bubble removing device technical scheme: a kind of OCA optical adhesive bubble removing device, limiting mechanism 66 includes fixed seat 661, drive motor 662, drive gear 663, adjusting tooth block 664 and limiting groove 665, the rear end right side of fixed seat 661 is equipped with drive motor 662, the output end of drive motor 662 is transmissionally connected with the inside of the middle part of drive gear 663, drive gear 663 is engaged with the right end of adjusting tooth block 664 and rotates, limiting groove 665 is installed in the inside of the lower end of movable plate 63, the front end right side of fixed seat 661 is fixed with the upper side of the rear end of support plate three 65, adjusting tooth block 664 is engaged with the inside of the left end of fixed seat 661 and is adjusted in circle, and the position of adjusting tooth block 664 is adjusted to position movable plate 63, limiting groove 665 is provided with four groups, four groups of limiting groove 665 are respectively arranged along the inside of movable plate 63 and are distributed in clockwise direction, to facilitate the positioning effect of movable plate 63 under different rotating angles, the inside of limiting groove 665 is provided with tooth block, the right end of adjusting tooth block 664 is engaged with the inside of limiting groove 665 and is fixed, and the effect of engaging and fixing adjusting tooth block 664 with the inside of limiting groove 665 is improved.

[0027] In use, after the two ends of the optical adhesive pass through the middle of the inside of the pressing box 2, they are respectively sleeved on the middle of the winding assembly 5 and the shaft 62;

[0028] Then, one end of the optical adhesive is curled by the winding assembly 5, and the optical adhesive is pressed and tightened by the pressing assembly 4 in cooperation with the roller set 3, and the shaft 62 on the right side is driven to rotate reversely along the connection between the support plate one 61 and the support plate two 64 and to be tightened by the motor connected reversely at the rear end;

[0029] When the shaft 62 is tightened to a certain extent, the drive motor 662 of the fixed seat 661 drives the drive gear 663 to rotate and engage with the right end of the adjusting tooth block 664, and the adjusting tooth block 664 is adjusted to a certain angle by the drive gear 663, and then is abutted and fixed with the inside of one of the limiting grooves 665 arranged on the outside of the movable plate 63, so that the movable plate 63 is rotated by engaging and fixing, and the shaft 62 is rotated at the same time and is in a straightened state, and the flatness and stability of the optical adhesive and the bubble removing effect are indirectly improved.

[0030] The control mode of the utility model is controlled by manually starting and closing the switch, and the wiring diagram of the power element and the provision of the power supply belong to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the control mode and wiring arrangement of the utility model will not be explained in detail.

[0031] The control mode of the utility model is automatic control through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the provision of the power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model will not explain the control mode and the circuit connection in detail.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An OCA optical adhesive bubble removing device, comprising a base plate (1), a pressing box (2), a roller set (3), a pressing assembly (4) and a winding assembly (5), the top middle of the base plate (1) is provided with the pressing box (2), the roller set (3) and the pressing assembly (4) are respectively arranged on the upper and lower sides of the inside of the pressing box (2), and the winding assembly (5) is arranged on the top left side of the base plate (1); characterized in that It also includes a stretching assembly (6) arranged on the top right side of the base plate (1), the stretching assembly (6) includes a support plate one (61), a rotating shaft (62), a movable plate (63), a support plate two (64), a support plate three (65) and a limiting mechanism (66), the inner sides of the upper ends of the support plate one (61) and the support plate two (64) are respectively rotationally connected with the front and rear sides of the rotating shaft (62), the inner side of the middle of the movable plate (63) is fixed to the front side of the rotating shaft (62), the upper side of the rear end of the support plate three (65) is fixed to the right side of the front end of the limiting mechanism (66), and the support plate one (61), the support plate two (64) and the support plate three (65) are respectively arranged on the top right side of the base plate (1). 2.The OCA optical adhesive bubble removing device according to claim 1, wherein: The limiting mechanism (66) includes a fixed seat (661), a driving motor (662), a driving gear (663), an adjusting tooth block (664) and a limiting groove (665), the right side of the rear end of the fixed seat (661) is provided with the driving motor (662), the output end of the driving motor (662) is transmissionally connected with the inner side of the middle of the driving gear (663) through a driving shaft, the driving gear (663) is rotationally engaged with the right end of the adjusting tooth block (664), the limiting groove (665) is arranged on the inner side of the lower end of the movable plate (63), and the right side of the front end of the fixed seat (661) is fixed to the upper side of the rear end of the support plate three (65). 3.The OCA optical adhesive bubble removing device according to claim 1, wherein: The rotating shaft (62) and the movable plate (63) are coaxially rotationally adjusted.

4. The OCA optical adhesive bubble removing device according to claim 1, wherein: The inner sides of the upper ends of the support plate one (61) and the support plate two (64) are provided with notches matching the size of the rotating shaft (62), and the front and rear sides of the rotating shaft (62) are respectively rotationally adjusted with the notches in the inner sides of the upper ends of the support plate one (61) and the support plate two (64).

5. The OCA optical adhesive bubble removing device according to claim 2, wherein: The adjusting tooth block (664) is circularly engaged and adjusted along the inner side of the left end of the fixed seat (661) through the driving gear (663).

6. The OCA optical adhesive bubble removing device according to claim 2, wherein: The limiting groove (665) is provided with four groups, and the four groups of limiting grooves (665) are arranged in a clockwise direction along the inner side of the movable plate (63).

7. The OCA optical adhesive bubble removing device according to claim 2, wherein: The inner side of the limiting groove (665) is provided with a tooth block, and the right end of the adjusting tooth block (664) is engaged and fixedly connected with the tooth block in the inner side of the limiting groove (665).

Citation Information

Patent Citations

  • OCA optical cement defoaming device

    CN212441156U