OCA semi-broken manufacturing system

The OCA semi-fracture manufacturing system, through the design of adsorption chamber and transmission mechanism, solves the problems of slow loading and unloading speed and air bubble generation in the OCA manufacturing process, realizes efficient and convenient OCA colloid bonding, and ensures product quality.

CN223573818UActive Publication Date: 2025-11-21STARRY ELECTRONIC TECH SHENZHEN CO LTD +1
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Patent Information

Application Number
CN202422222277.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-11-21
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

The current OCA manufacturing process suffers from slow loading and unloading speeds, inconvenient operation, and is prone to problems such as air bubbles and uneven edges.

Method used

The OCA semi-fracture manufacturing system uses an adsorption chamber, adsorption holes, transmission mechanism, lifting plate and top rod to fix the light release film and lift the OCA body. Combined with the design of the drive mechanism and limiting components, it facilitates labor-saving operation and avoids the generation of air bubbles.

Benefits of technology

The loading and unloading speed of OCA production has been improved, ensuring a smooth fit of the OCA colloid between the touch screen and the display screen, avoiding problems such as air bubbles and uneven edges, and improving ease of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of full lamination, in particular to an OCA (Optical Clear Adhesive) half-breaking type manufacturing system, which aims at solving the problem of low feeding and discharging speed during OCA manufacturing in the prior art, and adopts the following scheme that the OCA half-breaking type manufacturing system comprises an OCA body and a placing table for manufacturing the OCA, the OCA body comprises a light release film, an OCA colloid and a heavy release film, the OCA colloid is located between the heavy release film and the light release film, the light release film is larger than the OCA colloid, and the heavy release film is equal to the OCA colloid in size; a containing groove is formed in the top face of the containing table, an adsorption cavity is formed in the containing table, and an adjusting groove is formed in the bottom face of the containing table. According to the utility model, the light release film can be conveniently adsorbed in the placing groove when the light release film and the heavy release film are pasted, and the OCA body can be upwards jacked up after the manufacturing is completed, so that a worker can conveniently pick up the OCA body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to full lamination technical field especially relates to a kind of OCA half broken type's manufacturing system. BACKGROUND

[0002] OCA (Optical Clear Adhesive), a layer of optical transparent double-sided adhesive without substrate, is an important raw material for full lamination. The display screen and touch screen are seamlessly bonded together using optical adhesive (OCA). The properties of OCA optical adhesive include hard glue and soft glue. Soft glue is mostly designed with a sandwich structure. Although soft glue has better adhesion and stronger bonding capacity than hard glue, it has poor die-cutting performance. The cut-out product has uneven edges, shrinkage and glue overflow. Deformation occurs at right angles. When extruding and removing waste, wire drawing occurs. After replacing the fabric, air bubbles are generated.

[0003] In addition, in the prior art, when producing OCA, the OCA gel is first placed on a special placement table, and then a light release film is attached. During this process, the stability of the OCA gel needs to be ensured. In the current technology, the OCA gel is mainly fixed by a clamp, which makes the operation not convenient and the feeding and discharging speed slow. Therefore, the present application proposes an OCA half broken type manufacturing system. SUMMARY

[0004] The OCA half broken type manufacturing system proposed by the utility model solves the problem of slow feeding and discharging speed in the prior art when producing OCA.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An OCA half broken type manufacturing system includes an OCA body and a placement table for producing OCA. The OCA body includes a light release film, an OCA gel, and a heavy release film. The OCA gel is located between the heavy release film and the light release film. The light release film is larger than the OCA gel. The heavy release film is the same size as the OCA gel.

[0007] The placement table top is provided with a placement groove. The inside of the placement table is provided with a suction cavity. The bottom surface of the placement table is provided with an adjusting groove. The bottom surface of the placement groove is provided with a plurality of suction holes communicating with the suction cavity.

[0008] The suction cavity is provided with a lifting plate and a transmission mechanism for driving the lifting plate to lift. The top surface of the lifting plate is fixed with a plurality of top rods matching the suction holes.

[0009] The adjusting groove is rotationally connected with a transmission screw, and at least two air cylinders are fixed in the adjusting groove, the transmission mechanism is in transmission connection with the transmission screw, a moving plate is sleeved with threads on the outer periphery of the transmission screw, a piston plate is installed in the air cylinder, a piston column is fixed on one side of the outer wall of the piston plate, the other end of the piston column is fixedly connected with the moving plate, an exhaust pipe is installed at the end of the air cylinder away from the moving plate, the other end of the exhaust pipe extends into the adsorption cavity, and one end of the transmission screw extends to the outside of the placing table.

[0010] A driving mechanism for driving the transmission screw to rotate is installed on one side of the outer wall of the placing table.

[0011] Through the above technical scheme, the light release type film can be adsorbed in the placing groove when the light release type film and the heavy release type film are pasted, and the OCA body can be lifted upward after the manufacturing is completed, so that the staff can pick up the OCA body.

[0012] As a further improvement of the above scheme, the transmission mechanism comprises a lifting screw fixed on the bottom surface of the lifting plate and a screw sleeve movably sleeved on the outer periphery of the bottom of the lifting screw, the screw sleeve is in rotational connection with the bottom surface of the adsorption cavity, the bottom of the screw sleeve extends into the adjusting cavity and is in transmission connection with the transmission screw, and a plurality of limiting pieces are installed between the bottom surface of the lifting plate and the bottom of the adsorption cavity.

[0013] Through the above technical scheme, the screw is lifted by the rotation of the screw sleeve, so that the purpose of driving the lifting plate to lift is achieved.

[0014] As a further improvement of the above scheme, the limiting piece comprises a movable column fixed on the bottom surface of the lifting plate and a fixed sleeve movably sleeved on the outer periphery of the movable column, and the bottom surface of the fixed sleeve is fixedly connected with the bottom surface of the adsorption cavity.

[0015] Through the above technical scheme, the rotation of the lifting plate can be avoided.

[0016] As a further improvement of the above scheme, the driving mechanism comprises a driving gear rotationally connected to the outer wall of the placing table, a handle fixed on the side of the driving gear away from the placing table, and a limiting piece installed on the handle, the handle is arranged along the radial direction of the driving gear, and a driven gear meshing with the driving gear is fixed on one end of the transmission screw located outside the placing table.

[0017] Through the above technical scheme, the transmission shaft can be conveniently and labor-savingly driven to rotate.

[0018] As a further improvement of the above-mentioned scheme, the limiting piece comprises a positioning rod movably inserted on the handle, a pull ring fixed on the end of the positioning rod away from the placing table, a spring movably sleeved on the outer periphery of the positioning rod, and a spring block sleeved on the outer periphery of the positioning rod, the spring and the spring block are located on the side of the handle close to the placing table, one end of the spring is fixedly connected with the handle, the other end of the spring is fixedly connected with the spring block, the other end of the positioning rod is in abutment with the outer wall of the placing table, and the outer wall of the placing table is provided with a positioning hole matched with the positioning rod.

[0019] Through the above technical scheme, the fixing of the handle can be completed by inserting the positioning rod into the positioning hole.

[0020] As a further improvement of the above-mentioned scheme, the bottom surface of the placing table is provided with a sealing plate for sealing the adjusting groove through a screw.

[0021] Through the above technical scheme, the components in the placing groove can be well protected.

[0022] As a further improvement of the above-mentioned scheme, the left and right sides of the light release type film are outwardly extended by 3mm than the single side of the OCA glue body, the upper edge and the lower end are outwardly extended by 3mm than the single side of the OCA glue body, and the thickness of the OCA glue body is 0.2mm.

[0023] As a further improvement of the above-mentioned scheme, the thickness of the light release type film is 0.05mm, the thickness of the heavy release type film is 0.1mm, and the left side, the right side, the upper edge and the lower end of the heavy release type film are equal to the OCA glue body.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] 1. Through the cooperation between the adsorption cavity, the adsorption hole, the transmission mechanism, the lifting plate, the jacking rod, the air cylinder and the moving plate, negative pressure can be easily generated in the adsorption cavity, so that the light release type film placed in the placing groove can be fixed, and the product placed in the placing groove can also be easily jacked up by the lifting plate and the jacking rod, thereby facilitating the picking of the staff.

[0026] 2. Through the setting of the driving mechanism, the transmission screw can be conveniently and labor-savingly driven to rotate, and the handle can also be conveniently locked by the limiting piece.

[0027] 3. By setting the light release type film to be larger than the OCA glue body and setting the heavy release type film to be equal to the OCA glue body, when the OCA glue body is pasted between the touch screen and the display screen, air bubbles can be effectively avoided, and the light release type film and the heavy release type film are also convenient to tear. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a perspective view of the utility model;

[0029] Figure 2 It is the internal structure schematic view of the utility model;

[0030] Figure 3 It is the front view sectional view of the utility model;

[0031] Figure 4 It is the structure schematic view of OCA body;

[0032] Main symbol explanation:

[0033] Placing table; 2, placing groove; 3, top rod; 4, driven gear; 5, driving gear; 6, handle; 7, positioning rod; 8, pull ring, 9, positioning hole; 10, transmission screw; 11, lifting plate; 12, lifting screw; 13, screw sleeve; 14, movable column; 15, fixed sleeve; 16, air cylinder; 17, piston column; 18, moving plate; 19, adsorption hole; 20, adsorption cavity; 21, adjusting groove; 22, sealing plate; 23, light release film; 24, OCA gel; 25, heavy release film. DETAILED DESCRIPTION

[0034] Below, in combination with the specific embodiment, the utility model is further described, it is explained that under the prerequisite of not conflicting, the following described each embodiment or each technical feature between can be arbitrarily combined to form new embodiment.

[0035] Example 1

[0036] Please combine Figure 4 The OCA half-discontinuous production system of the embodiment includes OCA body and placing table 1 for making OCA, and the OCA body includes light release film 23, OCA gel 24 and heavy release film 25, the OCA gel is located between the heavy release film and the light release film, and the light release film 23 is larger than the OCA gel, the heavy release film is equal to the OCA gel, the left and right of the light release film 23 are all 3mm larger than the OCA gel single side, and the upper edge and lower end are all 3mm larger than the OCA gel single side, the thickness of the OCA gel 24 is 0.2mm, the thickness of the light release film 23 is 0.05mm, the thickness of the heavy release film 25 is 0.1mm, the left, right, upper edge and lower end of the heavy release film 25 are all equal to the OCA gel,

[0037] In this example, the length and width of the OCA colloid 23 cannot exceed the shape of the LCM (display screen), and the LCM outer shape needs to be inwardly recessed by more than 0.3mm on one side, and the OCA colloid 24 is used to increase the width of the OCA shielding to reduce the light leakage risk, and must cover the upper polarizer of the LCM, and the distance between the OCA and the LCM IC is at least 0.5mm to avoid structural interference between the OCA colloid 23 and the IC when using thin glass sheets, and the OCA colloid 23 on the LCM IC side needs to press the polarizer edge by 0.5mm (TYP) and 0.30mm (MIN) on one side, and when applying OCA, the CG (touch screen) is placed on the feeding line by manual operation, the CG is cleaned twice with alcohol and a dust-free cloth (the OCA side), the first peeling, the OCA body is fed to the film tearing machine surface by mechanical hand to tear the light release film 23, the first bonding, the OCA colloid is attached to the CG by the OCA attachment machine, and then the LCM is placed on the feeding line by manual operation, the second peeling, the OCA body is fed to the film tearing machine surface by mechanical hand to tear the heavy release film 25, the second bonding, and the CG and LCM are pre-bonded and vacuum-bonded by the vacuum bonding machine.

[0038] Example 2

[0039] In combination Figures 1-4 , this embodiment is further improved on the basis of example 1: the top surface of the placement table 1 is provided with a placement groove 2, the inside of the placement table 2 is provided with an adsorption cavity 20, the bottom surface of the placement table 2 is provided with an adjusting groove 21, and the bottom surface of the placement groove 2 is provided with a plurality of adsorption holes 19 communicating with the adsorption cavity 20, the adsorption cavity 20 is provided with a lifting plate 12 and a transmission mechanism for driving the lifting plate 11 to lift, the top surface of the lifting plate 12 is fixed with a plurality of top rods 3 matched with the adsorption holes 19, the transmission mechanism includes a lifting screw 12 fixed on the bottom surface of the lifting plate 11 and a screw sleeve 13 movably sleeved on the outer periphery of the bottom of the lifting screw 12, the screw sleeve 13 is rotatably connected with the bottom surface of the adsorption cavity 20, and the bottom of the screw sleeve 13 extends into the adjusting cavity 21 and is in transmission connection with the transmission screw, when making the OCA body, the light release film 23 can be placed in the placement groove 2 first, then the pressure in the adsorption cavity 20 is reduced, so that the light release film 23 can be adsorbed in the placement groove 2, then the OCA colloid 24 is covered on the top surface of the light release film 23, and finally the heavy release film 25 is covered on the top surface of the OCA colloid 24, so as to complete the making of the OCA body, then the pressure in the adsorption cavity 20 is restored, so that the light release film 23 will not be adsorbed on the bottom surface of the placement groove 2, and after the lifting plate 12 rises, the top rod 3 can be inserted into the adsorption hole 19, and finally the top rod 3 is inserted into the placement groove 2, and then the OCA body in the placement groove can be lifted, so that the staff can take out the OCA body from the placement groove 2.

[0040] A plurality of limiting members are installed between the bottom surface of the lifting plate 11 and the bottom of the adsorption cavity 20, the limiting members include a movable column 14 fixed to the bottom surface of the lifting plate 11 and a fixed sleeve 15 movably sleeved on the outer periphery of the movable column 14, the bottom surface of the fixed sleeve 15 is fixedly connected with the bottom surface of the adsorption cavity 20, and the limiting members are arranged so that the lifting plate 11 can only be actuated in the axial direction of the movable column 14. Therefore, after the screw sleeve 13 is rotated, the lifting screw 12 can be driven to rise or fall.

[0041] The transmission screw 10 is rotatably connected in the adjusting groove 21, at least two air cylinders 16 are fixed in the adjusting groove 21, the bottom of the screw sleeve 13 extends into the adjusting groove and is fixed with a driven bevel gear, the outer periphery of the transmission screw 10 is sleeved with a driving bevel gear meshing with the driven bevel gear, the outer periphery of the transmission screw 10 is threadedly sleeved with a moving plate 18, a piston plate is installed in the air cylinder 16, a piston column 17 is fixed to one side of the outer wall of the piston plate, the other end of the piston column 17 is fixedly connected with the moving plate 18, an exhaust pipe is installed at the end of the air cylinder 16 away from the moving plate 18, the other end of the exhaust pipe extends into the adsorption cavity 20, one end of the transmission screw 10 extends to the outside of the placement table 1, when the transmission screw 10 is rotated, the moving plate 18 can be driven to move, and the screw sleeve 13 can also be rotated, when the transmission screw 10 is positively rotated, the screw sleeve 13 is positively rotated, thereby driving the lifting screw 12 to descend, the lifting plate 11 also descends, and the jacking rod 3 also exits from the adsorption port 19 and gradually enters the adsorption cavity 20, at the same time, the moving plate 18 also moves away from the air cylinder 16, thereby the air in the adsorption cavity 20 can be exhausted outward, so that the pressure in the adsorption cavity 20 is reduced, thereby the OCA body in the placement groove 2 is adsorbed on the bottom of the placement groove 2, conversely, when the transmission screw 10 is reversely rotated, the lifting plate 11 can be driven to move upward, and the air in the air cylinder 16 is pressed into the adsorption cavity 20, so that the pressure in the adsorption cavity 20 is restored, when the lifting plate 11 continues to rise, the jacking rod 3 enters the adsorption hole 19 and then penetrates out from the top of the adsorption hole 19, thereby the OCA body in the placement groove 2 can be lifted upward, so as to facilitate the staff to pick up.

[0042] The bottom surface of the placement table 1 is installed with a sealing plate 22 for sealing the adjusting groove 21 by screws, the bottom surface of the moving plate 18 abuts against the top surface of the sealing plate 22, and the sealing plate 22 can protect the components in the adjusting groove.

[0043] The outer wall of one side of the placing table 1 is provided with a driving mechanism for driving the transmission screw 10 to rotate, the driving mechanism comprises a driving gear 5 rotatably connected to the outer wall of the placing table 1, a handle 6 fixed to the side of the driving gear 5 away from the placing table 1, and a limiting piece installed on the handle 6, the handle 6 is arranged along the radial direction of the driving gear 5, and the length of the handle 6 is greater than the radius of the driving gear 5, one end of the transmission screw 10 outside the placing table 1 is fixed with a driven gear 4 engaged with the driving gear 5, the diameter of the driving gear 5 is greater than that of the driven gear 4, and holding the handle 6 and rotating the driving gear 5 can drive the driven gear 4 to rotate, and the driven gear 4 drives the transmission screw 10 to rotate, thereby achieving the purpose of conveniently driving the transmission screw 10 to rotate.

[0044] The limiting piece comprises a positioning rod 7 movably inserted into the handle 6, a pull ring 8 fixed to the end of the positioning rod 7 away from the placing table 1, a spring movably sleeved on the outer periphery of the positioning rod 7, and a spring clamping block sleeved on the outer periphery of the positioning rod 7, the spring and the spring clamping block are located on the side of the handle 6 close to the placing table 1, one end of the spring is fixed to the handle 6, the other end of the spring is fixed to the spring clamping block, the other end of the positioning rod 7 abuts against the outer wall of the placing table 1, and the outer wall of the placing table 1 is provided with a positioning hole 9 matched with the positioning rod 7, when the positioning rod 7 is outside the positioning hole 9, one end of the positioning rod 7 can always abut against the outer wall of the placing table 1, and when the end of the positioning rod 7 is opposite to the positioning hole 9, the positioning rod 7 can be inserted into the positioning hole 9 under the action of the spring, so that the handle 6 cannot rotate any more, and the transmission screw 10 cannot rotate, so that the easy-to-separate film 23 adsorbed on the bottom surface of the placing groove 2 cannot be loosened.

[0045] The implementation principle of the embodiment is that: when the OCA body is made, the easy-to-separate film 23 is placed in the placing groove 2, then the handle 6 is held and rotated clockwise, so that the transmission screw 10 is driven to rotate forward, after the transmission screw 10 rotates forward, the screw sleeve 13 rotates forward, so that the lifting screw 12 is driven to descend, the lifting plate 11 also descends, the top rod 3 also exits from the adsorption port 19 and gradually enters the adsorption cavity 20, at the same time, the moving plate 18 moves away from the air cylinder 16, so that the air in the adsorption cavity 20 is exhausted outward, so that the pressure in the adsorption cavity 20 is reduced, so that the easy-to-separate film 23 placed in the placing groove 2 is adsorbed on the bottom of the placing groove 2, until the positioning rod 7 is clamped in the positioning hole 9, then the handle 6 is stopped, then the OCA body 24 is covered on the top surface of the easy-to-separate film 23, finally the heavy-to-separate film 25 is covered on the top surface of the OCA body 24, so that the OCA body is made;

[0046] Then the pressure in the adsorption cavity 20 is recovered, at this time, the positioning rod 7 is pulled out to the outside of the positioning hole 9 by the pull ring 8, then the handle 6 is counterclockwise rotated, thereby the transmission screw rod 10 is reversed, the transmission screw rod 10 drives the screw rod 13 to reverse, thereby the lifting plate 11 can be driven to move up, at the same time, the transmission screw rod 10 reverses and drives the moving plate 18 to move to the side close to the air cylinder 16, thereby the air in the air cylinder 16 is pressed into the adsorption cavity 20, so that the pressure in the adsorption cavity 20 is recovered, after the lifting plate 11 continues to rise, the top rod 3 enters the adsorption hole 19 and then passes out from the top of the adsorption hole 19, thereby the OCA body in the placing groove 2 can be lifted up, so that the staff can pick up conveniently.

[0047] The above-mentioned embodiments are only the preferred embodiments of the present application, and cannot be used to limit the protection scope of the present application, and any non-essential changes and replacements made by the person skilled in the art on the basis of the present application shall fall within the protection scope of the present application.

Claims

1. An OCA semi-cut manufacturing system comprising an OCA body and a placement table for manufacturing the OCA, characterized in that, The OCA body comprises a light release film, an OCA gel and a heavy release film, the OCA gel is located between the heavy release film and the light release film, and the light release film is larger than the OCA gel, and the heavy release film is equal to the OCA gel in size; The top surface of the placing table is provided with a placing groove for placing the light release film, the inside of the placing table is provided with an adsorption cavity, the bottom surface of the placing table is provided with an adjusting groove, and the bottom surface of the placing groove is provided with a plurality of adsorption holes communicated with the adsorption cavity; The adsorption cavity is provided with a lifting plate and a transmission mechanism for driving the lifting plate to lift, and the top surface of the lifting plate is fixed with a plurality of top rods matched with the adsorption holes; The adjusting groove is rotatably connected with a transmission screw, and at least two air cylinders are fixed in the adjusting groove, the transmission mechanism is in transmission connection with the transmission screw, the transmission screw is externally threaded with a moving plate, the air cylinder is provided with a piston plate, one side of the piston plate is fixed with a piston column, the other end of the piston column is fixed with the moving plate, one end of the air cylinder away from the moving plate is provided with an exhaust pipe, the other end of the exhaust pipe extends into the adsorption cavity, and one end of the transmission screw extends to the outside of the placing table; The outside wall of the placing table is provided with a driving mechanism for driving the transmission screw to rotate.

2. The OCA semi-cut type manufacturing system according to claim 1, wherein, The transmission mechanism comprises a lifting screw fixed on the bottom surface of the lifting plate and a screw sleeve movably sleeved on the outer periphery of the bottom of the lifting screw, the screw sleeve is rotatably connected with the bottom surface of the adsorption cavity, the bottom of the screw sleeve extends into the adjusting cavity and is in transmission connection with the transmission screw, and a plurality of limiting pieces are installed between the bottom surface of the lifting plate and the bottom of the adsorption cavity.

3. The OCA semi-cut type manufacturing system according to claim 2, wherein, The limiting piece comprises a movable column fixed on the bottom surface of the lifting plate and a fixed sleeve movably sleeved on the outer periphery of the movable column, and the bottom surface of the fixed sleeve is fixed with the bottom surface of the adsorption cavity.

4. The OCA semi-cut type manufacturing system according to claim 1, wherein, The driving mechanism comprises a driving gear rotatably connected to the outer wall of the placing table, a handle fixed on the side of the driving gear away from the placing table, and a limiting piece installed on the handle, the handle is arranged along the radial direction of the driving gear, and one end of the transmission screw located outside the placing table is fixed with a driven gear engaged with the driving gear.

5. The OCA semi-cut type manufacturing system according to claim 4, wherein, The limiting piece comprises a positioning rod movably inserted into the handle, a pull ring fixed on the end of the positioning rod away from the placing table, a spring movably sleeved on the outer periphery of the positioning rod, and a spring block sleeved on the outer periphery of the positioning rod, the spring and the spring block are located on the side of the handle close to the placing table, one end of the spring is fixed with the handle, the other end of the spring is fixed with the spring block, the other end of the positioning rod abuts against the outer wall of the placing table, and the outer wall of the placing table is provided with a positioning hole matched with the positioning rod.

6. The OCA semi-cut type manufacturing system according to claim 1, wherein, The bottom surface of the placing table is provided with a sealing plate for sealing the adjusting groove through screws.

7. The OCA semi-cut type manufacturing system according to claim 1, wherein, The left and right sides of the light release film are each outwardly extended by 3mm from the single side of the OCA gel, the upper edge and the lower end of the light release film are each outwardly extended by 3mm from the single side of the OCA gel, and the thickness of the OCA gel is 0.2mm.

8. The OCA semi-cut type manufacturing system according to claim 1, wherein, The thickness of the light release film is 0.05mm, the thickness of the heavy release film is 0.1mm, and the left side, the right side, the upper edge and the lower end of the heavy release film are equal to the OCA gel in size.