Positioning Camera Adjustment Device in Bonding Machine

Abstract

The present invention provides a positioning camera adjusting device in a bonding machine, which comprises: a base; a motor fixing plate vertically installed on the base, with Z-axis linear guide rails respectively arranged on both sides of the motor fixing plate; a Z-axis servo motor installed on the motor fixing plate, and a cam arranged on the transmission shaft of the Z-axis servo motor; a base parallel to the motor fixing plate, with both sides of the base respectively connected to the corresponding Z-axis linear guide rails; a cam rotating plate, the top of which is connected to the middle of the base, and a cam follower is arranged at the bottom of the cam rotating plate, and the cam follower can be in contact with the cam; a liquid crystal glass positioning mechanism arranged on one side of the base; and an FPC positioning mechanism arranged on the other side of the base. The present invention adjusts the liquid crystal glass positioning camera and the FPC positioning camera simultaneously, moves the base through a cam mechanism, and then drives the liquid crystal glass positioning camera and the FPC positioning camera to lift. The cam mechanism has a compact structure and high reliability.

Description

Technical Field

[0001] The present invention relates to the field of bonding technology, and more particularly, to a positioning camera adjusting device in a bonding machine. Background Art

[0002] An LCM (Liquid Crystal Display Module) is a component assembled by integrating a liquid crystal display, a driving circuit, an FPC (Flexible Printed Circuit), a backlight source, and other structural components. The mechanical connection and electrical conduction between the liquid crystal glass and the driving circuit and FPC in the liquid crystal display are the core parts of LCM production. Among them, the production process of the liquid crystal glass and the FPC is the FOG (Film on Glass) bonding process, that is, the FPC is mounted on the liquid crystal glass. During the bonding process, it is necessary to position the liquid crystal glass and the FPC separately, and then calculate the position difference between the liquid crystal glass and the FPC. In the prior art, the positioning cameras for positioning the liquid crystal glass and the FPC in the bonding machine are separately installed and adjusted by different lifting devices, resulting in low equipment integration and low equipment control efficiency. Summary of the Invention

[0003] To solve the above defects, the present invention provides a positioning camera adjusting device in a bonding machine. This device simultaneously adjusts the positions of the liquid crystal glass positioning camera and the FPC positioning camera. The base is moved through a cam mechanism, and then the liquid crystal glass positioning camera and the FPC positioning camera are driven to lift. The cam mechanism has a compact structure and high reliability.

[0004] The present invention provides a positioning camera adjusting device in a bonding machine, which includes: a base; a motor fixing plate vertically installed on the base, with Z-axis linear guides respectively arranged on both sides of the motor fixing plate; a Z-axis servo motor installed on the motor fixing plate, with a cam arranged on the transmission shaft of the Z-axis servo motor; a base parallel to the motor fixing plate, with both sides of the base respectively connected to the corresponding Z-axis linear guides; a cam rotating plate, the top of which is connected to the middle of the base, and a cam follower is arranged at the bottom of the cam rotating plate, and the cam follower can contact the cam; a liquid crystal glass positioning mechanism arranged on one side of the base, the liquid crystal glass positioning mechanism includes a first positioning camera mounting bracket arranged on one side of the base, and a first positioning camera is arranged on the first positioning camera mounting bracket; an FPC positioning mechanism arranged on the other side of the base, the FPC positioning mechanism includes a second positioning camera mounting bracket arranged on the other side of the base, and a second positioning camera is arranged on the second positioning camera mounting bracket.

[0005] In an embodiment of the present invention, the liquid crystal glass positioning mechanism further includes a first X-direction adjustment mechanism, and the first X-direction adjustment mechanism includes a first X-axis linear guide rail and a first lead screw. The first X-axis linear guide rail is disposed on one side of the base, the first lead screw is disposed on the base and is parallel to the first X-axis linear guide rail, and the first positioning camera mounting bracket is respectively connected to the first X-axis linear guide rail and the first lead screw.

[0006] In an embodiment of the present invention, the liquid crystal glass positioning mechanism further includes a Z-direction fine adjustment mechanism, and the Z-direction fine adjustment mechanism includes a Z-axis fixing plate, a Z-axis moving plate, a first fixing block, and a first adjustment bolt. One end of the Z-axis fixing plate is slidably connected to the first X-axis linear guide rail, the other end of the Z-axis fixing plate is connected to the first lead screw, the Z-axis fixing plate is connected to one side of the Z-axis moving plate through a Z-axis fine adjustment linear guide rail, the other side of the Z-axis moving plate is connected to the first positioning camera mounting bracket, the first fixing block is disposed on one side of the Z-axis fixing plate, a clamping seat is provided on the first fixing block, the first adjustment bolt is installed in the clamping seat, and the pointed end of the first adjustment bolt is connected to the first positioning camera mounting bracket so that rotating the first adjustment bolt can finely adjust the first positioning camera mounting bracket along the Z direction.

[0007] In an embodiment of the present invention, a first micrometer is used instead of the first adjustment bolt.

[0008] In an embodiment of the present invention, the FPC positioning mechanism further includes a second X-direction adjustment mechanism, and the second X-direction adjustment mechanism includes a second X-axis linear guide rail and a second lead screw. The second X-axis linear guide rail is disposed on the other side of the base, the second lead screw is disposed on the base and is parallel to the second X-axis linear guide rail, and the second positioning camera mounting bracket is respectively connected to the second X-axis linear guide rail and the second lead screw.

[0009] In an embodiment of the present invention, the FPC positioning mechanism further includes a Y-direction fine adjustment mechanism, and the Y-direction fine adjustment mechanism includes a Y-axis fixing plate, a Y-axis moving plate, a second fixing block, and a second adjustment bolt. One end of the Y-axis fixing plate is slidably connected to the second X-axis linear guide rail, the other end of the Y-axis fixing plate is connected to the second lead screw, the Y-axis fixing plate is connected to one side of the Y-axis moving plate through a Y-axis fine adjustment linear guide rail, the other side of the Y-axis moving plate is connected to the second positioning camera mounting bracket, the second fixing block is disposed on one side of the Y-axis moving plate, a clamping seat is provided on the second fixing block, the second adjustment bolt is installed in the clamping seat, and the pointed end of the second adjustment bolt is connected to the Y-axis fixing plate so that rotating the second adjustment bolt can finely adjust the second positioning camera mounting bracket along the Y direction.

[0010] In an embodiment of the present invention, a second micrometer is used instead of the second adjusting bolt.

[0011] In summary, the present invention provides a positioning camera adjusting device in a bonding machine. The beneficial effects of the present invention are as follows:

[0012] The present invention adjusts the positions of the liquid crystal glass positioning camera and the FPC positioning camera as a whole. The base is moved through a cam mechanism, and then the positions of the liquid crystal glass positioning camera and the FPC positioning camera are driven to rise and fall. The cam mechanism has a compact structure and high reliability.

[0013] The present invention respectively realizes the movement of the first positioning camera mounting bracket and the second positioning camera mounting bracket along the X direction through the first lead screw and the second lead screw, and then adjusts the distance between the liquid crystal glass positioning camera and the FPC positioning camera in the X direction. The position of the first positioning camera mounting bracket in the Z direction is adjusted through the first adjusting bolt, and then the distance between the liquid crystal glass positioning camera and the FPC positioning camera in the Z direction is adjusted. The position of the second positioning camera mounting bracket in the Y direction is adjusted through the second adjusting bolt, and then the distance between the liquid crystal glass positioning camera and the FPC positioning camera in the Y direction is adjusted. The present invention is compatible with positioning liquid crystal glasses and FPCs of different sizes, reducing equipment costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. 1 is a schematic perspective view of a positioning camera adjusting device in a bonding machine provided by an embodiment of the present invention.

[0015] Figure 2 FIG. 2 is a left view of a positioning camera adjusting device in a bonding machine provided by an embodiment of the present invention.

[0016] Figure 3 FIG. 3 is a front view of a positioning camera adjusting device in a bonding machine provided by an embodiment of the present invention.

[0017] MAIN ELEMENT SYMBOL DESCRIPTION:

[0018] 1. Base; 2. Motor fixing plate; 21. Z-axis linear guide; 22. Cam; 3. Base; 4. Cam rotating plate; 511. First X-axis linear guide; 512. First lead screw; 513. First bearing seat; 514. First X-axis servo motor; 521. Z-axis fixing plate; 522. Z-axis moving plate; 523. First fixing block; 524. First adjusting bolt; 53. First positioning camera mounting bracket; 54. First positioning camera; 611. Second X-axis linear guide; 612. Second lead screw; 613. Second bearing seat; 621. Y-axis fixing plate; 622. Y-axis moving plate; 623. Second fixing block; 624. Second adjusting bolt; 63. Second positioning camera mounting bracket; 64. Second positioning camera. Detailed implementation manners

[0019] To make the objectives, technical solutions and advantages of the implementation manners of the present invention clearer, the technical solutions in the implementation manners of the present invention will be clearly and completely described below with reference to the accompanying drawings in the implementation manners of the present invention. Obviously, the described implementation manners are some but not all of the implementation manners of the present invention. All other implementation manners obtained by those of ordinary skill in the art based on the implementation manners in the present invention without creative efforts belong to the scope of protection of the present invention. Therefore, the following detailed description of the implementation manners of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected implementation manners of the present invention. All other implementation manners obtained by those of ordinary skill in the art based on the implementation manners in the present invention without creative efforts belong to the scope of protection of the present invention.

[0020] Please refer to Figures 1 to 3 , the present invention provides a positioning camera adjusting device in a bonding machine, which includes: a base 1, a motor fixing plate 2, a base 3, a cam rotating plate 4, a liquid crystal glass positioning mechanism and an FPC positioning mechanism.

[0021] Among them, the motor fixing plate 2 is vertically installed on the base 1, and Z-axis linear guides 21 are respectively arranged on both sides of the motor fixing plate 2; a Z-axis servo motor is arranged in the middle of the motor fixing plate 2, and a cam 22 is arranged on the transmission shaft of the Z-axis servo motor. The base 3 is arranged parallel to the motor fixing plate 2, and both sides of the base 3 are respectively connected to the corresponding Z-axis linear guides 21. The top of the cam rotating plate 4 is connected to the middle of the base 3, and a cam follower is arranged at the bottom of the cam rotating plate 4, and the cam follower can contact the cam 22. The Z-axis servo motor drives the cam 22 to rotate, and the cam 22 drives the base to lift through the cam rotating plate 4, so as to realize the overall lifting of the liquid crystal glass positioning mechanism and the FPC positioning mechanism.

[0022] Next, the liquid crystal glass positioning mechanism is arranged on one side of the base 3. The liquid crystal glass positioning mechanism includes a first positioning camera mounting bracket 53, the first positioning camera mounting bracket 53 is used to support the first positioning camera 54, and the first positioning camera 54 is used to capture the Mark point on the liquid crystal glass. The number of the first positioning cameras 54 is set according to process requirements. In this embodiment, two first positioning cameras 54 are provided, and the two first positioning cameras 54 respectively capture the Mark points on the liquid crystal glass, and the bonding center point of the liquid crystal glass is determined by calculation.

[0023] In this embodiment, the liquid crystal glass positioning mechanism further includes a first X-direction adjustment mechanism. The first X-direction adjustment mechanism includes a first X-axis linear guide rail 511 and a first lead screw 512. The first X-axis linear guide rail 511 is disposed on one side of the base 3, and the first lead screw 512 is disposed on the base 3 and is parallel to the first X-axis linear guide rail 511. The first lead screw 512 is connected to the base 3 through a first bearing block 513. A first X-axis servo motor 514 is provided at the right end of the first lead screw. The first positioning camera mounting bracket 53 is connected to the first X-axis linear guide rail 511 and the first lead screw respectively. The first X-axis servo motor 514 drives the first lead screw to rotate, and the first lead screw drives the first positioning camera mounting bracket 53 to move in the X direction.

[0024] Further, the liquid crystal glass positioning mechanism further includes a Z-direction fine adjustment mechanism. The Z-direction fine adjustment mechanism includes a Z-axis fixed plate 521, a Z-axis moving plate 522, a first fixing block 523, and a first adjustment bolt 524. One end of the Z-axis fixed plate 521 is slidably connected to the first X-axis linear guide rail 511, and the other end of the Z-axis fixed plate 521 is connected to the first lead screw 512. The Z-axis fixed plate 521 is connected to one side of the Z-axis moving plate 522 through a Z-axis fine adjustment linear guide rail. The other side of the Z-axis moving plate 522 is connected to the first positioning camera mounting bracket 53. The first fixing block 523 is disposed on one side of the Z-axis fixed plate 521. A clamping seat is provided on the first fixing block 523. The first adjustment bolt 524 is installed in the clamping seat, and the pointed end of the first adjustment bolt 524 is connected to the first positioning camera mounting bracket 53 so that rotating the first adjustment bolt 524 can finely adjust the first positioning camera mounting bracket 53 in the Z direction.

[0025] In another embodiment, using a first micrometer instead of the first adjustment bolt 524 also falls within the protection scope of the present invention. Using the first micrometer enables the first positioning camera mounting bracket 53 to have a high fine adjustment accuracy in the Z direction.

[0026] Then, the FPC positioning mechanism is disposed on the other side of the base 3. The FPC positioning mechanism includes a second positioning camera mounting bracket 63. The second positioning camera mounting bracket 63 is used to support the second positioning camera 64. The second positioning camera 64 is used to capture the Mark points on the FPC. The number of the second positioning cameras 64 is set according to process requirements. In this embodiment, two second positioning cameras 64 are provided. The two second positioning cameras 64 respectively capture the Mark points on the FPC, and the bonding center point of the FPC is determined by calculation.

[0027] In this embodiment, the FPC positioning mechanism further includes a second X-direction adjustment mechanism. The second X-direction adjustment mechanism includes a second X-axis linear guide rail 611 and a second lead screw 612. The second X-axis linear guide rail 611 is arranged on the other side of the base 3. The second lead screw 612 is arranged on the base 3 and is parallel to the second X-axis linear guide rail 611. The second lead screw 612 is connected to the base 3 through a second bearing block 613. A second X-axis servo motor is arranged at the right end of the second lead screw 612. One end of the second positioning camera mounting bracket 63 is slidably connected to the second X-axis linear guide rail 611, and the other end of the second positioning camera mounting bracket 63 is connected to the second lead screw 612. The second X-axis servo motor drives the second lead screw 612 to rotate, and the second lead screw 612 drives the second positioning camera mounting bracket 63 to move in the X direction.

[0028] Furthermore, the FPC positioning mechanism further includes a Y-direction fine adjustment mechanism. The Y-direction fine adjustment mechanism includes a Y-axis fixing plate 621, a Y-axis moving plate 622, a second fixing block 623, and a second adjustment bolt 624. One end of the Y-axis fixing plate 621 is slidably connected to the second X-axis linear guide rail 611, and the other end of the Y-axis fixing plate 621 is connected to the second lead screw 612. The Y-axis fixing plate 621 is connected to one side of the Y-axis moving plate 622 through a Y-axis fine adjustment linear guide rail. The other side of the Y-axis moving plate 622 is connected to the second positioning camera mounting bracket 63. The second fixing block 623 is arranged on one side of the Y-axis moving plate 622. A clamping seat is arranged on the second fixing block 623. The second adjustment bolt 624 is installed in the clamping seat. The pointed end of the second adjustment bolt 624 is connected to the Y-axis fixing plate 621 so that by rotating the second adjustment bolt 624, the second positioning camera mounting bracket 63 can be finely adjusted in the Y direction.

[0029] In another embodiment, using a second micrometer instead of the second adjustment bolt 624 also falls within the protection scope of the present invention. Using the second micrometer enables the second positioning camera mounting bracket 63 to have a high fine adjustment accuracy in the Y direction.

[0030] Working process of this embodiment: The first positioning camera 54 and the second positioning camera 64 are respectively installed on the first positioning camera mounting bracket 53 and the second positioning camera mounting bracket 63. The first X-axis servo motor 514 drives the first lead screw to rotate, and the first lead screw 512 drives the first positioning camera mounting bracket 53 to move along the X direction. Then, the second X-axis servo motor drives the second lead screw to rotate, and the second lead screw 612 drives the second positioning camera mounting bracket 63 to move along the X direction. The first positioning camera 54 is moved along the Z direction by the first adjustment bolt 524 to adjust the distance between the first positioning camera 54 and the second positioning camera 64 in the Z direction. The second positioning camera 64 is moved along the Y direction by the second adjustment bolt to adjust the distance between the first positioning camera 54 and the second camera in the Z direction. By adjusting the positions of the positioning cameras in the XYZ directions, the device is made compatible with the visual positioning of different models of liquid crystal glass and different models of FPC. The Z-axis servo motor drives the cam 22 to rotate, the cam 22 drives the cam follower to move up and down, and the cam follower drives the base 3 to move up and down, realizing the overall lifting of the first positioning camera 54 and the second positioning camera 64.

[0031] The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. Positioning camera adjustment device in a bonding machine, characterized in that, It includes: Base; Motor fixing plate, which is vertically installed on the base, and Z-axis linear guides are respectively arranged on both sides of the motor fixing plate; Z-axis servo motor, which is installed on the motor fixing plate, and a cam is arranged on the transmission shaft of the Z-axis servo motor; Base, which is arranged parallel to the motor fixing plate, and both sides of the base are respectively connected to the corresponding Z-axis linear guides; Cam rotating plate, the top of which is connected to the middle of the base, and a cam follower is arranged at the bottom of the cam rotating plate, and the cam follower can be in contact with the cam; Liquid crystal glass positioning mechanism, which is arranged on one side of the base, and the liquid crystal glass positioning mechanism includes a first positioning camera mounting bracket, the first positioning camera mounting bracket is arranged on one side of the base, and a first positioning camera is arranged on the first positioning camera mounting bracket; FPC positioning mechanism, which is arranged on the other side of the base, and the FPC positioning mechanism includes a second positioning camera mounting bracket, the second positioning camera mounting bracket is arranged on the other side of the base, and a second positioning camera is arranged on the second positioning camera mounting bracket.

2. The positioning camera adjusting device in the bonding machine according to claim 1, wherein The liquid crystal glass positioning mechanism further includes a first X-direction adjustment mechanism, and the first X-direction adjustment mechanism includes a first X-axis linear guide and a first lead screw. The first X-axis linear guide is arranged on one side of the base, the first lead screw is arranged on the base and is arranged parallel to the first X-axis linear guide, and the first positioning camera mounting bracket is respectively connected to the first X-axis linear guide and the first lead screw.

3. The positioning camera adjustment device in the bonding machine according to claim 2, characterized in that The liquid crystal glass positioning mechanism further includes a Z-direction fine adjustment mechanism, and the Z-direction fine adjustment mechanism includes a Z-axis fixing plate, a Z-axis moving plate, a first fixing block and a first adjustment bolt. One end of the Z-axis fixing plate is slidably connected to the first X-axis linear guide, the other end of the Z-axis fixing plate is connected to the first lead screw, the Z-axis fixing plate is connected to one side of the Z-axis moving plate through a Z-axis fine adjustment linear guide, the other side of the Z-axis moving plate is connected to the first positioning camera mounting bracket, the first fixing block is arranged on one side of the Z-axis fixing plate, a clamping seat is arranged on the first fixing block, the first adjustment bolt is installed in the clamping seat, and the pointed end of the first adjustment bolt is connected to the first positioning camera mounting bracket so that rotating the first adjustment bolt can finely adjust the first positioning camera mounting bracket along the Z direction.

4. The positioning camera adjusting device in the bonding machine according to claim 3, characterized in that, Use a first micrometer instead of the first adjustment bolt.

5. The positioning camera adjusting device in the bonding machine according to claim 1, characterized in that, The FPC positioning mechanism further includes a second X-direction adjustment mechanism, and the second X-direction adjustment mechanism includes a second X-axis linear guide and a second lead screw. The second X-axis linear guide is arranged on the other side of the base, the second lead screw is arranged on the base and is arranged parallel to the second X-axis linear guide, and the second positioning camera mounting bracket is respectively connected to the second X-axis linear guide and the second lead screw.

6. The positioning camera adjusting device in the bonding machine according to claim 5, characterized in that, The FPC positioning mechanism further includes a Y-direction fine-tuning mechanism, which includes a Y-axis fixed plate, a Y-axis moving plate, a second fixing block and a second adjusting bolt. One end of the Y-axis fixed plate is slidably connected to the second X-axis linear guide rail, and the other end of the Y-axis fixed plate is connected to the second lead screw. The Y-axis fixed plate is connected to one side of the Y-axis moving plate through a Y-axis fine-tuning linear guide rail. The other side of the Y-axis moving plate is connected to the second positioning camera mounting bracket. The second fixing block is arranged on one side of the Y-axis moving plate, a clamping seat is arranged on the second fixing block, the second adjusting bolt is installed in the clamping seat, and the pointed end of the second adjusting bolt is connected to the Y-axis fixed plate so that rotating the second adjusting bolt can finely adjust the second positioning camera mounting bracket along the Y direction.

7. The positioning camera adjusting device in the bonding machine according to claim 6, characterized in that, Use a second micrometer instead of the second adjusting bolt.

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