CN111595780A - A screen lighting system - Google Patents

Abstract

The invention discloses a screen lighting system, comprising a first camera assembly, a second camera assembly, a support frame body, a linear motor transfer module, and a suction cup. The support frame body is vertically arranged, and the support frame body is arranged vertically. The first camera assembly and the second camera assembly are slidably arranged on the upper side, the linear motor transfer module is arranged vertically below the support frame, and the linear motor transfer module is slidably provided with a On the suction cup for fixing the screen, one end of the linear motor transfer module is provided with a detection device for lighting the screen. The beneficial effects are: high positioning accuracy, convenient product changing, and high lighting success rate. It can light up flexible screens of different dimensions, with stable structure, and meets the needs of small and medium-sized automation equipment that needs to be lighted to detect or repair OLED products.

Description

A screen lighting system

technical field

The invention relates to the technical field of OLED defect monitoring and laser micro-processing, in particular to a screen lighting system.

Background technique

Organic light-emitting semiconductor display devices (OLEDs) have the advantages of flexibility and bendability, self-luminescence, no backlight, lighter and thinner than traditional liquid crystal display panels, wider color gamut, and no blue light hazards. Now they have been respected by major LCD panel manufacturers. Started to build a factory to produce small and medium-sized OLED products to replace the original LCD products. OLED has become the mainstream technology in the display industry.

Since the yield rate of OLED products is not high at present, there is a large demand for automated visual inspection equipment and product defect repair equipment in the manufacturing process of OLED products, and a new lighting system for flexible screens needs to be designed.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a lighting system for a screen, which has the characteristics of high positioning accuracy, convenient product replacement and high lighting success rate. It can light up flexible screens of different dimensions, with a stable structure, and meets the needs of small and medium-sized automation equipment that needs to be lighted to detect or repair OLED products.

The technical solutions of the present invention to solve the above technical problems are as follows: the present invention discloses a screen lighting system, including a first camera assembly, a second camera assembly, a support frame, a linear motor transfer module, and a suction cup, the support The frame body is arranged vertically, the first camera assembly and the second camera assembly are slidably arranged on the support frame body, and the linear motor transfer module is arranged vertically below the support frame body, so The linear motor transfer module is slidably provided with the suction cup for fixing the screen, and one end of the linear motor transfer module is provided with a detection device for lighting the screen.

The beneficial effects are: high positioning accuracy, convenient product changeover, and high lighting success rate. It can light up flexible screens of different dimensions, with a stable structure, and meets the needs of small and medium-sized automation equipment that needs to be lighted to detect or repair OLED products.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, the detection device includes an X-direction electric cylinder, a Z-direction slide, a Y-direction transfer module and a probe, the length direction of the Y-direction transfer module and the length direction of the linear motor transfer module Vertically arranged, the Z-direction slide table is slidably arranged on the Y-direction transfer module, the X-direction electric cylinder is arranged on the Z-direction slide table, and the output end of the X-direction electric cylinder faces the A suction cup is provided and connected with the probe.

The beneficial effect of adopting the above-mentioned further scheme is that the adjustment of the three directions of X, Y, and Z facilitates the movement of the probe to a suitable station position and the accurate detection of the display screen.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, the Z-direction sliding table includes a Z-slide rail extending along the vertical direction, a sliding block slidably arranged on the Z-slide rail, and a slider arranged in parallel with the Z-slide rail and passing through and extending out of the slide rail. The screw rod of the block and the driving mechanism, the X-direction electric cylinder is fixed on the slider, and the output end of the driving mechanism is drivingly connected to the screw rod.

The beneficial effect of adopting the above-mentioned further scheme is that the position of the probe is adjusted when the product is changed, and the positioning is accurate.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, the bottom wall of the Y-direction transfer module is fixedly provided with a support.

The beneficial effect of adopting the above-mentioned further scheme is to play a good supporting role.

On the basis of the above technical solutions, the present invention can also be improved as follows.

Further, a first camera transfer module and a second transfer module are fixedly installed on the upper part of the support frame, and the first camera assembly is slidably connected to the first camera through the first camera focal length adjustment slide. A transfer module, wherein the second camera assembly is slidably connected to the second camera transfer module through a second camera focal length adjustment slide.

The beneficial effect of adopting the above-mentioned further solution is to calibrate the product on the suction cup through the camera, so as to ensure the accuracy of the detection position.

On the basis of the above scheme, the present invention can also make the following improvements.

Further, the first camera assembly is hinged with the first camera focal length adjustment slide, and the second camera assembly is hinged with the second camera focal length adjustment slide.

The beneficial effect of adopting the above-mentioned further scheme is that it is convenient to adjust the focal length and make the photographed graph clear.

On the basis of the above scheme, the present invention can also make the following improvements.

Further, a UVW micro-positioning platform is provided between the suction cup and the linear motor transfer module, the suction cup is fixed on the UVW micro-positioning platform, and the bottom of the UVW micro-positioning platform is slidably connected to the straight line. Motor transfer module.

The beneficial effect of adopting the above-mentioned further scheme is that the position of the suction cup is finely adjusted to meet the positioning requirement of product lighting.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the top view of the present invention;

In the figure: 1, the first camera assembly; 2, the first camera focal length adjustment slide; 3, the first camera transfer module; 4, the second camera assembly; 5, the second camera focal length adjustment slide; 6, the first Two-camera transfer module; 7. Support frame body; 8. Linear motor transfer module; 9. Suction cup; 10. UVW micro-positioning platform; 11. Probe; 12. X-direction electric cylinder; 13. Z-direction slide 14. Transfer module in Y direction; 15. Support.

Detailed ways

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer" and the like indicate the orientation or position The relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the box or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be a mechanical connection or a circuit connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations. Also, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1:

As shown in Figures 1-2, in this embodiment, a screen lighting system includes a first camera assembly 1, a second camera assembly 4, a support frame 7, a linear motor transfer module 8, and a suction cup 9, The support frame body 7 is arranged vertically, the first camera assembly 1 and the second camera assembly 4 are slidably arranged on the support frame body 7 , and a linear motor transfer module 8 is arranged vertically below the support frame body 7 , and the linear motor moves the load The module 8 is slidably provided with a suction cup 9 for fixing the screen, and one end of the linear motor transfer module 8 is provided with a detection device for lighting the screen.

The linear motor transfer module 8 includes a linear motor stator and a mover linear guide. The output end of the module is connected with the linear motor mover and the linear guide slider. The linear motor mover acts as a force output unit to push the output end of the module to slide. The Y-direction transfer module 14 includes a drive screw, a motor and a sliding platform. The output end of the motor is drive-connected to the drive screw. The drive screw is provided with a drive nut. In cooperation with the nut, the detection device slides on the sliding platform.

The detection device includes an X-direction electric cylinder 12, a Z-direction slide table 13, a Y-direction transfer module 14 and a probe 11, and the longitudinal direction of the Y-direction transfer module 14 is perpendicular to the longitudinal direction of the linear motor transfer module 8. , the Y-direction transfer module 14 is slidably provided with a Z-direction slide 13, and the Z-direction slide 13 slides toward the suction cup 9 side with an X-direction electric cylinder 12, and the Z-direction slide 13 includes extending in the vertical direction. The set Z slide rail, the slider slidably arranged on the Z slide rail, and the lead screw and the drive mechanism that are arranged in parallel with the Z slide rail and pass through and extend out of the slide block, and the X-direction electric cylinder 12 is fixed It is arranged on the sliding block, the output end of the driving mechanism is drivingly connected to the screw rod, and the driving mechanism is a motor. A support 15 is fixed on the bottom wall of the Y-direction transfer module 14 . The X-direction electric cylinder 12 moves the probe 11 to complete the telescopic motion. The X-direction electric cylinder 12 is installed on the Z-direction slide table 13 so that the probe 11 can be pressed down and the product is in contact with the product to complete the lighting. The Z-direction slide table 13 and the Y-direction slide table 13 The sliders of the direction transfer module 14 are connected, and the Y direction transfer module 14 is mainly used to adjust the position of the pressing needle block when the product is changed.

The upper part of the support frame body 7 is fixedly installed with a first camera transfer module 3 and a second transfer module 6. The camera transfer module is specifically a transmission screw, a motor and a sliding platform, and the output end of the motor is connected to the transmission module. The screw drive is connected, the drive screw is provided with a drive nut, and the drive screw is connected with the drive nut screw drive. The first camera focal length adjustment slide 2 and the second camera focal length adjustment platform are specifically sliding blocks. The slide block slideway is set on a sliding platform. The first camera assembly 1 is slidably connected to the first camera transfer module 3 through the first camera focal length adjustment slide 2 , and the second camera assembly 4 is slidably connected to the second camera transfer module 6 through the second camera focal length adjustment slide 5 . The first camera assembly 1 is hinged with the first camera focal length adjustment slide 2, and the second camera assembly 4 is hinged with the second camera focal length adjustment slide 5, so that the shooting angles of the first camera assembly 1 and the second camera assembly 4 can be changed, so that the The captured graphics are clearer.

A UVW micro-positioning platform 10 is arranged between the suction cup 9 and the linear motor transfer module 8. The UVW micro-positioning platform is invented by a Japanese and consists of an upper plate, a lower plate and four monomer groups. UVW corresponds to three power axes, two motors in the X-axis direction (VW axis), one motor in the Y-axis direction (U), two motors in the X-axis move at the same time to realize the X-axis movement, and one Y-axis motor controls the Y-axis movement. When the two axes of X are not synchronized, the rotation of the θ axis is realized. In this way, the movement of X and Y is realized by controlling the three motors, and the rotation of the θ axis realizes the alignment.

A suction cup 9 is fixed on the UVW micro-positioning platform 10 , and the bottom of the UVW micro-positioning platform 10 is slidably connected to the linear motor transfer module 8 . The UVW micro-positioning platform has a repeatable positioning accuracy of ±1 micron, which can meet the positioning needs of product lighting.

The product is placed on the microporous ceramic suction cup 9, and the product is fixed on the microporous ceramic suction cup 9 through negative pressure adsorption. The microporous ceramic suction cup 9 is fixed on the UVW micro-positioning platform 10 through the connector. The UVW micro-positioning platform 10 can be visually The alignment algorithm precisely adjusts the product's pose. The UVW micro-positioning platform 10 is fixed on the slider of the linear motor transfer module 8 through the connector, and the linear motor transfer module 8 can accurately transfer the product to the probe block. 11 below. The probe 11 can be replaced according to different models of products, and the position can also be adjusted accurately according to different products, so as to ensure the success rate of lighting.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (7)

1. A lighting system of a screen, characterized in that: move including first camera subassembly (1), second camera subassembly (4), support body (7), linear electric motor and carry module (8), sucking disc (9), support the vertical setting of support body (7), it is equipped with to slide on support body (7) first camera subassembly (1) with second camera subassembly (4), the vertical below that supports support body (7) is equipped with linear electric motor moves and carries module (8), linear electric motor moves and carries and slide on module (8) and be equipped with and be used for fixed screen sucking disc (9), linear electric motor moves the one end that carries module (8) and is equipped with the detection device who is used for lighting the screen.

2. A lighting system of a screen according to claim 1, wherein: detection device includes that X direction electricity jar (12), Z direction slip table (13), Y direction move and carry module (14) and probe (11), the Y direction move carry the length direction of module (14) with linear electric motor moves the length direction perpendicular setting that carries module (8), Y direction moves and is equipped with on module (14) Z direction slip table (13), be equipped with on Z direction slip table (13) X direction electricity jar (12), the output orientation of X direction electricity jar (12) sucking disc (9) and be connected with probe (11).

3. A lighting system of a screen according to claim 2, wherein: z direction slip table (13) include along the Z slide rail that vertical direction extension set up, slide and set up slider on the Z slide rail and with Z slide rail parallel arrangement just passes and stretches out the lead screw and the actuating mechanism of slider, X direction electric cylinder (12) are fixed to be established on the slider, actuating mechanism's output transmission is connected the lead screw.

4. A lighting system of a screen according to claim 2, wherein: and a support (15) is fixedly arranged on the bottom wall of the Y-direction transfer module (14).

5. A lighting system of a screen according to claim 1, wherein: support the upper portion fixed mounting of support frame body (7) and set up the interval that first camera moves and carry module (3) and second and carry module (6), first camera subassembly (1) is adjusted slip table (2) sliding connection through first camera focal length first camera moves and carries module (3), second camera subassembly (4) are adjusted slip table (5) sliding connection through second camera focal length second camera moves and carries module (6).

6. A lighting system of a screen according to claim 5, wherein: the first camera assembly (1) is hinged to the first camera focal length adjusting sliding table (2), and the second camera assembly (4) is hinged to the second camera focal length adjusting sliding table (5).

7. A lighting system for a screen according to any one of claims 1 to 5, wherein: the sucker (9) and the linear motor transfer module (8) are provided with a UVW micro-positioning platform (10), the sucker (9) is fixedly arranged on the UVW micro-positioning platform (10), and the bottom of the UVW micro-positioning platform (10) is in sliding connection with the linear motor transfer module (8).

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