CN114801151B - Segmented flexible film material laminating equipment and laminating method - Google Patents

Abstract

The application relates to a sectional type flexible film laminating device and a laminating method, which relate to the technical field of screen laminating, wherein the laminating device comprises: the membrane attaching mechanism is used for fixing the membrane; the attaching platform is used for fixing the screen; the alignment photographing mechanism is used for identifying the positions of the diaphragm and the screen; the film attaching mechanism and the attaching platform are combined to act together to attach the film to the plane part of the screen; laminating equipment still includes vacuum laminating mechanism, and vacuum laminating mechanism includes: the device comprises a lower cavity, a lower cavity large platform, a lower cavity terminal platform, an upper cavity lifting Z-axis assembly and a blanking transfer arm; the attaching method comprises attaching the planar part of the screen by a film attaching mode, and attaching the section difference or the special-shaped part by a vacuum attaching mode. The application has the advantage of being capable of carrying out bubble-free film pasting on a screen with a drop.

Description

Segmented flexible film material laminating equipment and laminating method

Technical field

The present application relates to the field of screen laminating technology, and in particular to a segmented flexible film material laminating equipment and laminating method.

Background technique

OLED technology is increasingly used in electronic products such as mobile phones, notebooks and monitors. In the OLED display manufacturing process, a stepped BP film needs to be bonded to the screen panel. With the continuous development of flexible technology and in order to meet consumers' personalized needs for products, the thickness of OLED display materials continues to become thinner. Flexible products with thin and light designs have more stringent requirements for changes in attachment level and attachment pressure.

Since the panel is equipped with FPC, IC components and curved adhesive films, there is a gap in the terminal attachment part. The diaphragm attachment method used by existing equipment can be attached at one time on such products, resulting in areas with gaps. Dotted bubbles appear, affecting product yield.

Contents of the invention

In order to improve the problem that current screen laminating equipment is prone to bubbles affecting product yield in areas where there is a gap in the screen plate, this application provides a segmented flexible film material laminating equipment and laminating method.

In the first aspect, this application provides a segmented flexible film material laminating equipment that adopts the following technical solution:

A segmented flexible film laminating equipment, including:

Diaphragm laminating mechanism, used to fix the diaphragm;

Attachment platform for fixing the screen;

An alignment photographing mechanism is used to identify the position of the diaphragm and the screen; the diaphragm laminating mechanism and the attachment platform work together to attach the diaphragm to the flat part of the screen;

The laminating equipment also includes a vacuum laminating mechanism, which includes:

lower cavity;

A large platform in the lower cavity is provided floatingly in the lower cavity and is used to place the screen that the flat part is attached to;

A lower cavity terminal platform is provided floatingly in the lower cavity and is used to place the terminal area of the screen;

An upper cavity platform is used to close with the lower cavity to form a sealed cavity, and can fit the terminal area of the screen;

The upper cavity lifting Z-axis assembly is used to drive the upper cavity platform to move up and down;

The unloading transfer arm is used to transfer the products on the attachment platform to the vacuum sealed cavity for attachment.

Optionally, the vacuum bonding mechanism further includes an FPC support plate floatingly provided in the lower cavity for placing the FPC connected to the screen.

Optionally, the upper cavity lifting Z-axis assembly includes:

support frame;

The lifting plate is fixedly connected to the upper cavity platform through a connecting rod;

A transmission mechanism, connected between the support frame and the lifting plate, used to drive the lifting plate to move up and down;

Preferably, the transmission mechanism includes a motor, a lower slide seat, an upper slide seat and a fixed plate. The fixed plate is fixedly connected to the support frame, the upper slide seat is fixedly connected to the lifting plate, and the upper slide seat is fixedly connected to the lifting plate. Sliding up and down relative to the fixed plate, the motor is used to drive the lower seat to slide horizontally relative to the support frame, and the upper sliding seat and the lower seat slide relative to each other along the inclined plane.

Optionally, the positioning and photographing mechanism includes a film material positioning and photographing mechanism, and the film material positioning and photographing mechanism includes:

A camera with a lens that shoots upward;

The mobile camera X-axis component is used to drive the camera to move along the X-axis direction.

Optionally, the alignment camera mechanism also includes a screen alignment camera mechanism, and the screen alignment camera mechanism includes:

A camera with a lens that shoots upward;

The screen photography moving Y-axis component is used to drive the camera to move along the Y-axis direction;

The screen photography moving X-axis component is used to drive the camera to move along the X-axis direction;

Preferably, the screen photography moving X-axis assembly is provided with two sliding seats, the camera is fixedly installed on the sliding seat, and the distance between the two cameras can be adjusted.

Optionally, the attachment platform includes:

Attaching a large platform for placing said screen;

The attached X-axis moving component is used to drive the attached large platform to move along the X-axis direction;

A correction component, connected between the attached large platform and the attached X-axis moving component, is used to correct the position of the attached large platform in the X-axis direction and the Y-axis direction;

A terminal lifting assembly is connected to one side of the attached large platform and used to support the terminal area on the screen;

Preferably, the terminal lifting assembly includes a cylinder; and the correction assembly includes a UVW alignment platform.

Optionally, the attachment platform further includes an FPC adsorption component, which is located on the side of the terminal lifting component away from the large attachment platform;

Preferably, the FPC adsorption assembly includes a base plate and a plurality of suction cups installed on the base plate.

Optionally, the unloading transfer arm includes:

Suction cup assembly, used to absorb products;

The unloading and lifting Z-axis assembly is used to drive the suction cup assembly to move in the Z-axis direction;

The moving arm Y-axis assembly is used to drive the blanking and lifting Z-axis assembly to move in the Y-axis direction.

Optionally, the vacuum bonding mechanism further includes an attached vacuum pipe connected to the lower cavity, and a cavity air control valve is provided on the attached vacuum pipe.

In the second aspect, this application provides a segmented flexible membrane lamination method using the following technical solution:

A segmented flexible film laminating method. The above segmented flexible film laminating equipment is used to attach the flat part of the screen using the diaphragm attaching method, and the step-difference or special-shaped parts are attached using the vacuum laminating method. .

To sum up, this application includes at least one of the following beneficial technical effects: using the diaphragm attachment method to complete the bubble-free and high-precision bonding of the screen and the flat part of the diaphragm, and using the vacuum bonding method to complete the bubble-free bonding of the terminal step part. Attached, the flexible OLED bonding yield is improved, and the equipment is more compatible with the product.

Description of drawings

Figure 1 is a schematic structural diagram of the segmented flexible film material laminating equipment according to the embodiment of the present application;

Figure 2 is a front view of Figure 1;

Figure 3 is a top view of Figure 1;

Figure 4 is a schematic structural diagram of the diaphragm laminating mechanism;

Figure 5 is a schematic structural diagram of the membrane material alignment and photographing mechanism;

Figure 6 is a schematic structural diagram of the attached platform;

Figure 7 is a schematic structural diagram showing the connection relationship between various parts of the attachment platform;

Figure 8 is a schematic structural diagram of the screen alignment camera mechanism;

Figure 9 is a schematic structural diagram of the vacuum laminating mechanism;

Figure 10 is a schematic diagram of the connection structure between the upper cavity lifting Z-axis assembly and the upper cavity platform;

Figure 11 is a schematic structural diagram of the unloading transfer arm;

Figure 12 is a schematic structural diagram of the connection relationship between various parts of the unloading transfer arm.

Explanation of reference symbols:

1. Diaphragm laminating mechanism; 11. Pillar; 12. Steel belt moving Y-axis component; 13. Bearing plate; 14. Steel belt lifting Z-axis component; 15. Attached component;

2. Film alignment camera mechanism; 21. Mobile camera X-axis assembly; 22. Light source; 23. First lens; 24. First camera; 25. Fixed camera adjustment seat;

3. Attached platform; 31. Attached X-axis moving component; 311. Sliding seat; 312. Pillar; 32. Correction component; 33. Terminal lifting component; 34. FPC adsorption component; 35. Attached large platform;

4. Screen alignment camera mechanism; 41. Screen camera moving Y-axis component; 42. Screen camera moving X-axis component; 43. Second lens; 44. Second camera; 45. Camera camera adjustment seat; 46. Connecting rod;

5. Lower the rack;

6. Vacuum bonding mechanism; 61. Upper cavity lifting Z-axis assembly; 611. Support frame; 6111. Guide rail; 612. Motor; 613. Lower seat; 6131. Incline rail; 614. Upper slide seat; 615. Fixed plate ; 616. Lifting plate; 617. Lifting rod; 62. Lower cavity moving X-axis assembly; 63. Lower cavity large platform; 64. Lower cavity terminal platform; 65. FPC support plate; 66. Upper cavity platform; 67. Attached vacuum pipeline; 68. Cavity air control valve;

7. Blanking transfer arm; 71. Moving arm Y-axis component; 72. Blanking lift Z-axis component; 73. Suction cup component; 731. Mounting plate; 7311. Adjustment hole; 732. Pallet; 733. Suction cup frame; 7331. Mobile hole.

Implementation

The present application will be further described in detail below with reference to Figures 1-12.

The embodiment of the present application discloses a segmented flexible film material laminating equipment and a laminating method.

Referring to Figures 1 and 2, the segmented flexible film laminating equipment includes a diaphragm laminating mechanism 1 and a vacuum laminating mechanism 6 installed on the lower frame 5. The lower frame 5 is also equipped with a film alignment device. The camera mechanism 2 and the screen alignment camera mechanism 4 have an attachment platform 3 installed at one end of the lower frame 5 and a blanking transfer arm 7 installed at the other end of the lower frame 5 .

Referring to Figures 2 and 3, the film material is placed on the diaphragm laminating mechanism 1, and the screen is placed on the attachment platform 3. The positional characteristics of the diaphragm are captured through the film material alignment camera mechanism 2, and the screen is aligned and photographed. Mechanism 4 captures the positional characteristics of the screen and attaches the film material to the flat part of the screen after alignment. Then the blanking transfer arm 7 moves the flat part of the film-coated screen to the vacuum laminating mechanism 6 to complete the laminating and flattening of the terminal area.

Referring to Figures 2 and 4, the diaphragm laminating mechanism 1 includes a pillar 11, a steel belt moving Y-axis component 12, a steel belt lifting Z-axis component 14, and an attachment component 15; among them, there are multiple pillars 11 and are fixed in three rows. On the lower frame 5, the steel belt moving Y-axis assembly 12 is supported on the top of the pillars 11 along the arrangement direction of the pillars 11. The steel belt moving Y-axis can be a steel belt conveyor; the steel belt moving Y-axis assembly 12 is connected to a load-bearing plate through bolts. 13. The bearing plate 13 can move along the Y-axis direction. There are two bearing plates 13. The bearing plate 13 can be a rectangular plate with the length direction set along the X-axis direction; the steel belt lifting Z-axis assembly 14 is installed on the bearing plate 13. The steel belt lifting Z-axis assembly 14 can be a type 2 screw lift, that is, the screw rotates and the nut on the screw moves axially; the attachment component 15 is fixedly connected to the nut on the screw lift, and the attachment component 15 Uses existing flat fit construction.

Referring to Figure 5, there are two film material alignment photographing mechanisms 2 arranged side by side. The film material alignment photographing mechanism 2 includes a mobile camera X-axis assembly 21, a fixed camera adjustment seat 25, a first camera 24 and a first lens 23 . The fixed camera adjustment seat 25 is consistent with the fixation reference of the film on the steel belt. The mobile camera X-axis assembly 21 includes but is not limited to the use of modules, linear motors, and screw guide rails, as long as the fixed camera can be moved and adjusted in the linear direction. Available for 25 seats. The first lens 23 is installed on the first camera 24, and the first camera 24 is installed on the fixed camera adjustment base 25 through bolts. The fixed camera adjustment base 25 includes a plurality of connecting plates fixed by bolts, and the position of the first camera 24 is adjusted by adjusting the position between the connecting plates. The two mobile camera X-axis assemblies 21 are used to control the distance between the two first cameras 24 so that they can be adaptively adjusted after changes in product model specifications to improve the device's application versatility.

In order to improve the clarity of taking pictures, a light source 22 is also installed on the fixed camera adjustment base 25 .

Referring to FIGS. 6 and 7 , the attachment platform 3 includes an attachment X-axis moving component 31 , a correction component 32 and a large attachment platform 35 . The X-axis moving component 31 is provided with a sliding seat 311, and there are two sliding seats 311. The X-axis moving component 31 is attached including but not limited to the use of modules, linear motors, and screw guides, as long as it can be realized in the linear direction. The sliding seat 311 can be moved up and down. A pillar 312 is fixed on the sliding seat 311 , and the correction component 32 is supported above the sliding seat 311 through the pillar 312 . The correction component 32 may be a UVW correction platform, and the large attachment platform 35 is installed on the correction component 32 for adsorbing and fixing the screen.

The attachment platform 3 also includes a terminal lifting platform 33 and an FPC adsorption assembly 34. The screen is vacuum-adsorbed on the large attachment platform 35 and the terminal lifting platform 33, and the top surfaces of the two platforms are on the same plane. The terminal lifting platform 33 includes a micro-cylinder. In other implementations of the embodiment of the present application, the terminal lifting platform 33 may also adopt other mechanical structures capable of moving up and down such as screw lifts. The FPC adsorption assembly 34 includes a rectangular plate and a plurality of suction cups installed on the rectangular plate. A plurality of penetrating strip holes are arrayed on the rectangular plate, and the suction cups are installed in the strip holes.

After the attachment component 15 transfers the diaphragm from the transfer platform to the steel belt, it uses an external film-tearing robot to tear off the release film on the diaphragm, and uses the film material alignment camera mechanism 2 to take pictures to identify the step difference of the diaphragm. After the screen position on the attachment platform 3 is corrected, the diaphragm attachment mechanism 1 separates the diaphragm from the steel belt and attaches it to the screen. A pressure sensor is provided on the attachment component 15 for monitoring changes in pressure.

In order to prevent the diaphragm from being attached to the terminal area when it is separated from the rigid belt, causing the steel belt lift Z-axis assembly 14 to rise and not drive the product, causing the platform to break the vacuum, the diaphragm laminating mechanism 1 also includes a separation rubber roller. The diaphragm is rotated and mounted on the attachment component 15 and uses adhesive bonding to drive the diaphragm.

Referring to Figure 8, the screen alignment camera mechanism 4 includes a screen camera movement Y-axis component 41, a screen camera movement X-axis component 42, a camera adjustment seat 45 and a second camera 44. The screen camera movement Y-axis component 41 and the screen camera movement X-axis component 41 The shaft assembly 42 can adopt a linear motor and a screw guide rail to adjust the position of the camera adjustment base 45 . A second lens 43 is installed on the second camera 44. The second camera 44 can use the same CCD camera as the first camera 24. The second camera 44 is fixed to the camera adjustment base 45 through bolts. In order to adjust the relative position of the second camera 44, there are two X-axis components 42 for screen photography movement and they are arranged along the same straight line. The X-axis component 42 for screen photography movement includes two sliding seats. The sliding seat and the camera adjustment seat 45 Fixed connection. A connecting rod 46 is provided between the sliding seat connected to one end of one screen photographing moving X-axis assembly 42 and the one end sliding seat of the other screen photographing moving X-axis assembly 42. The connecting rod 46 passes through the middle sliding seat and moves relatively. When the X-axis assembly 42 drives the second camera 44 to move when taking pictures of the two screens, when the two adjacent second cameras 44 at the two ends are close to each other, the two adjacent second cameras 44 in the middle are moved away from each other.

Referring to Figure 9, the vacuum bonding mechanism 6 includes an upper cavity platform 66 and an upper cavity lifting Z-axis assembly 61, as well as a lower cavity moving X-axis assembly 62 and a lower cavity large platform 63. A lower cavity is also installed in the lower cavity. The body terminal platform 64 and the FPC supporting plate 65, the lower cavity large platform 63, the lower cavity terminal platform 64 and the FPC supporting plate 65 are arranged in sequence in the lower cavity. The structural principles of the lower cavity large platform 63 and the attached large platform 35 can be the same, the structure of the lower cavity terminal platform 64 and the terminal lifting assembly 33 can be the same, and the FPC supporting plate 65 can be a rectangular plate. The large platform 63 of the lower cavity, the terminal platform 64 of the lower cavity and the FPC support plate 65 are floatingly arranged in the lower cavity, and the floating mechanism includes a cylinder.

The X-axis assembly 62 for moving the lower cavity can adopt a linear motor and a screw guide rail. Referring to Figure 10, the upper cavity lifting Z-axis assembly 61 has four groups and is distributed in two rows and two columns. The upper cavity lifting Z-axis assembly 61 includes a support frame 611, a motor 612 installed on the support frame 611, a lower seat 613, Upper sliding seat 614, fixed plate 615 and lifting plate 616. The support frame 61 is fixed on the lower frame 5. The support frame 61 has a gantry-like structure. The top wall of the support frame 61 is fixed with a guide rail 6111 along the Y-axis direction. The bottom of the lower seat 613 is slidably supported on the guide rail 6111. The output shaft of the motor 612 is connected to a screw rod, the other end of the screw rod is rotationally connected to the bearing seat fixed on the support frame 611, and the lower seat 613 is threadedly connected to the screw rod. The side of the lower seat 613 away from the support frame 611 is an inclined surface, and an inclined guide rail 6131 is fixed on the inclined surface. The inclined guide rail 6131 can be arranged at 45° with the horizontal plane, and the upper sliding seat 614 is slidably supported on the inclined guide rail 6131. The fixed plate 615 is fixed on the top of the support frame 61 through bolts. A track is vertically provided on a side of the fixed plate 615 close to the upper sliding seat 614. The upper sliding seat 614 can move up and down relative to the fixed plate 615 along the track. Lifting rods 617 are fixedly connected between the lifting plate 616 and the upper cavity platform 66 , and the lifting rods 617 are distributed at the four corners of the upper cavity platform 66 .

The vacuum laminating mechanism 6 also includes an attached vacuum pipe 67 connected to the lower cavity for connecting to external vacuum pumping equipment. The attached vacuum pipe 67 is provided with a cavity air control valve 68. Through the cavity air control valve 68 precisely controls the laminating pressure, and the product can be flattened after lamination is completed.

The bottom surface of the lower cavity terminal platform 64 has an inclined guide rail, so that the lower cavity terminal platform 64 can be attached from the inside to the outside to ensure that the terminal area is attached without bubbles.

Referring to Figures 11 and 12, there are two blanking transfer arms 7. The blanking transfer arms 7 include an arm Y-axis assembly 71, a blanking lifting Z-axis assembly 72 and a suction cup assembly 73. The moving arm Y-axis assembly 71 includes but is not limited to the use of modules, linear motors, and screw guide rails, and is used to drive the blanking and lifting Z-axis assembly 72 to move in the Y-axis direction. The arm Y-axis assembly 71 includes a mounting base, and the blanking and lifting Z-axis assembly 72 is fixed on the mounting base. The unloading and lifting Z-axis assembly 72 can be a type 2 screw lift, that is, the screw performs rotational movement, the nut on the screw moves axially, and the suction cup assembly 73 is fixedly connected to the nut.

The suction cup assembly 73 includes a mounting plate 731, a supporting plate 732 and a suction cup frame 733. The suction cup frame 733 is arranged between the mounting plate 731 and the supporting plate 732. The mounting plate 731 and the supporting plate 732 are fixed by bolts. The mounting plate 731 and the supporting plate 732 are both provided with penetrating elongated adjustment holes 7311, and the adjustment holes 7311 can be arranged in an E-shape. The suction cup frame 733 is provided with a plurality of penetrating moving holes 7331 arranged in parallel. The moving holes 7331 are provided with suction cups. The suction cup frame 733 is provided with a scale near the side wall of the moving hole 7331.

The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application shall be covered by the scope of protection of the present application. Inside.

Claims (10)

1. A segmented flexible film laminating equipment, including: Diaphragm laminating mechanism (1), used to fix the diaphragm; Attached platform (3) for fixing the screen; An alignment camera mechanism is used to identify the position of the diaphragm and the screen; the diaphragm fitting mechanism (1) and the attachment platform (3) work together to attach the diaphragm to the The flat part of the screen; It is characterized in that the laminating equipment also includes a vacuum laminating mechanism (6), and the vacuum laminating mechanism (6) includes: lower cavity; A large platform (63) of the lower cavity is provided floatingly in the lower cavity and is used to place the screen that the flat part is attached to; A lower cavity terminal platform (64) is provided floating in the lower cavity and is used to place the terminal area of the screen; An upper cavity platform (66) is used to close with the lower cavity to form a sealed cavity, and can fit the terminal area of the screen; The upper cavity lifting Z-axis assembly (61) is used to drive the upper cavity platform (66) to move up and down; The unloading transfer arm (7) is used to transfer the products on the attachment platform (3) to a vacuum sealed cavity for attachment; Wherein, the attachment platform (3) includes: A large platform (35) is attached for placing the screen; The attached X-axis moving component (31) is used to drive the attached large platform (35) to move along the X-axis direction; The correction component (32) is connected between the attached large platform (35) and the attached X-axis moving component (31), and is used to correct the attached large platform (35) in the X-axis direction and the Y-axis direction. Location; The terminal lifting assembly (33) is connected to one side of the large attachment platform (35) and is used to support the terminal area on the screen. 2. The segmented flexible film material laminating equipment according to claim 1, characterized in that: the vacuum laminating mechanism (6) also includes an FPC support plate (65) floatingly provided in the lower cavity. , used to place the FPC to which the screen is connected. 3. The segmented flexible film material laminating equipment according to claim 1, characterized in that: the upper cavity lifting Z-axis assembly (61) includes: Support frame(611); The lifting plate (616) is fixedly connected to the upper cavity platform (66) through the connecting rod (46); A transmission mechanism, connected between the support frame (611) and the lifting plate (616), is used to drive the lifting plate (616) to move up and down; The transmission mechanism includes a motor (612), a lower slide seat (613), an upper slide seat (614) and a fixed plate (615). The fixed plate (615) is fixedly connected to the support frame (611), and the upper slide seat (614) is fixedly connected to the support frame (611). The sliding seat (614) is fixedly connected to the lifting plate (616), the upper sliding seat (614) slides up and down relative to the fixed plate (615), and the motor (612) is used to drive the lowering seat (614). 613) slides horizontally relative to the support frame (611), and the upper sliding seat (614) and the lower sliding seat (613) slide relative to each other along the inclined plane. 4. The segmented flexible film laminating equipment according to claim 1, characterized in that: the alignment camera mechanism includes a film alignment camera mechanism (2), and the film alignment camera mechanism (2) )include: A camera with a lens that shoots upward; The mobile camera X-axis assembly (21) is used to drive the camera to move along the X-axis direction. 5. The segmented flexible film material laminating equipment according to claim 4, characterized in that: the alignment camera mechanism further includes a screen alignment camera mechanism (4), and the screen alignment camera mechanism (4) include: A camera with a lens that shoots upward; The screen photography moving Y-axis component (41) is used to drive the camera to move along the Y-axis direction; The screen photography moving X-axis component (42) is used to drive the camera to move along the X-axis direction; The screen photography moving X-axis assembly (42) is provided with two sliding seats (311), the camera is fixedly installed on the sliding seat (311), and the distance between the two cameras can be adjusted. 6. The segmented flexible film material laminating equipment according to claim 1, characterized in that: The terminal lifting assembly (33) includes a cylinder; the correction assembly (32) includes a UVW alignment platform. 7. The segmented flexible film material laminating equipment according to claim 6, characterized in that: the attachment platform (3) further includes an FPC adsorption component (34), and the FPC adsorption component (34) is located at the The side of the terminal lifting assembly (33) away from the attached large platform (35); The FPC adsorption assembly (34) includes a base plate and a plurality of suction cups installed on the base plate. 8. The segmented flexible film material laminating equipment according to claim 7, characterized in that: the blanking transfer arm (7) includes: Suction cup assembly (73), used to absorb products; The unloading and lifting Z-axis assembly (72) is used to drive the suction cup assembly (73) to move in the Z-axis direction; The moving arm Y-axis assembly (71) is used to drive the blanking and lifting Z-axis assembly (72) to move in the Y-axis direction. 9. The segmented flexible film material laminating equipment according to claim 1, characterized in that: the vacuum laminating mechanism (6) further includes an attached vacuum pipe (67) connected to the lower cavity, The attached vacuum pipeline (67) is provided with a cavity air control valve (68). 10. A segmented flexible film laminating method, characterized in that: applying the segmented flexible film laminating equipment according to any one of claims 1 to 9, affixing the flat surface of the screen with a diaphragm attachment method For some parts, there are special-shaped parts that are bonded using vacuum bonding.