Laser bevel processing device for touch screen functional sheet silver paste

By combining confocal microscopy and a three-dimensional adjustment bracket, the edge bevel angle of the silver paste can be monitored and calibrated in real time, solving the problem of angle deviation in the processing of existing technologies, improving the accuracy and efficiency of touch screen production, and ensuring the stability of the equipment and the clarity of the image.

CN224322535UActive Publication Date: 2026-06-05ZHEJIANG LIANXINKANG TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG LIANXINKANG TECH CO LTD
Filing Date
2025-06-25
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing technologies cannot monitor the processing of the beveled edges of the silver paste on touch screen functional sheets in real time, resulting in the inability to detect angle and depth deviations in a timely manner, leading to high scrap rates, low production efficiency, and the inconsistency caused by manual inspection relying on experience.

Method used

By employing confocal microscopy and a three-dimensional adjustment support, combined with nanoscale displacement detection using a micro confocal microscope, the bevel angle of the silver paste edge is monitored in real time. The angle calibration between the laser processing head and the functional sheet, along with the removal of processing fumes by an air curtain isolation device, ensures the accuracy of bevel cutting.

Benefits of technology

It achieves high-precision processing of the beveled edge of the silver paste, reduces the scrap rate, improves production efficiency and consistency, and ensures the clarity of the microscopic images and the stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a touch screen function sheet silver paste laser bevel processing device, belonging to the touch screen processing technical field. The quality detection assembly, wherein the confocal microscopic technique, provides the three-dimensional surface imaging ability of nanometer level resolution, can monitor the processing of the silver paste edge bevel in real time, the three-dimensional adjustable support supports the probe to adjust in the X / Y / Z axis direction, cooperates with the nanometer level displacement detection ability of the miniature confocal microscope, can calibrate the bevel angle of the laser processing head and the function sheet in real time, thereby ensuring the accuracy of the bevel cutting, avoiding the short circuit of the silver paste line caused by the angle error, the high light reflection smoke dust is easy to produce during the laser processing, the air curtain isolation device forms a barrier through the annular airflow, can blow away the particles generated by the molten silver paste in real time, ensures the definition of the microscopic image, and the ceramic sleeve keeps the structure stable under the high temperature environment generated by the laser processing, prevents the deviation or failure of the miniature confocal microscope lens caused by thermal deformation.
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Description

Technical Field

[0001] This application belongs to the field of touch screen processing technology, specifically relating to a laser bevel processing device for silver paste on touch screen functional sheets. Background Technology

[0002] A touchscreen is an electronic display device that can detect user touch operations and interact with the user based on touch position, gestures, and other inputs. It combines traditional input devices with a display screen, allowing users to complete operations directly through touch. It is intuitive and convenient, and is widely used in mobile phones, tablets, computers, car navigation, industrial control, and other fields.

[0003] The touch screen functional sheet silver paste laser beveling processing device is a precision processing equipment specifically designed for the touch screen manufacturing field. It is mainly used to bevele the edges of the silver paste lines on the touch screen functional sheet to optimize its conductivity, reduce edge effects, and improve touch sensitivity and durability.

[0004] In existing technologies, it is usually impossible to monitor the processing of the beveled edge of the silver paste in real time. This results in deviations in the bevel angle, depth, or edge quality not being detected in time. Furthermore, it is impossible to dynamically adjust the laser parameters through image feedback, which leads to a significant increase in the scrap rate. In addition, manual sampling is usually used, which reduces production efficiency and cannot meet the needs of continuous production. Moreover, manual inspection depends on the operator's experience, and different operators will have different opinions, which affects the consistency of production. Utility Model Content

[0005] This application aims to address at least one of the technical problems existing in the prior art or related technologies.

[0006] To address this, this application provides a laser bevel machining device for silver paste on touchscreen functional sheets, and a quality inspection component. The device incorporates confocal microscopy technology, providing nanometer-level resolution three-dimensional surface imaging capabilities, enabling real-time monitoring of the bevel machining process at the silver paste edge. A three-dimensionally adjustable support allows for probe adjustment in the X / Y / Z axes. Combined with the nanometer-level displacement detection capability of a micro confocal microscope, the bevel angle between the laser machining head and the functional sheet can be calibrated in real-time, thereby ensuring the accuracy of the bevel cutting.

[0007] The first aspect of this application provides a touch screen functional sheet silver paste laser beveling device, comprising:

[0008] Four supports;

[0009] A quality inspection assembly, which is mounted on top of four supports;

[0010] A fixing plate is mounted on top of four supports;

[0011] A miniature confocal microscope, which is mounted on top of four supports;

[0012] A ceramic sleeve is mounted on the outside of a miniature confocal microscope;

[0013] An annular tube is fixedly sleeved on the outer surface of a miniature confocal microscope.

[0014] Preferably, the four supports;

[0015] A load-bearing platform, which is fixedly welded to the top of four supports;

[0016] A workbench, which is fixedly connected to the top of the support platform;

[0017] An electric lead screw, which is fixedly installed at the bottom of the worktable;

[0018] A base, which is slidably connected to the bottom of the electric lead screw;

[0019] A laser assembly, which is fixedly mounted on one side of the outer wall of the base;

[0020] A laser head, which is mounted on one side of the outer wall of the laser assembly.

[0021] Preferably, the laser component;

[0022] A fixing plate, the top of which is bolted to the bottom of the laser assembly.

[0023] Preferably, the fixing plate;

[0024] A support base, which is fixedly installed on the top of the fixed plate;

[0025] A base, which is fixedly connected to the top of a support base.

[0026] Preferably, the base;

[0027] A drive motor is fixedly mounted on one side of the outer wall of the base.

[0028] The first support arm is fixedly sleeved on the shaft end of the drive motor;

[0029] A micro motor, which is fixedly mounted on one side of the outer wall of the first support arm;

[0030] The second support arm is fixedly sleeved on the shaft end of the micro motor;

[0031] A servo motor is fixedly installed on one side of the outer wall of the second support arm.

[0032] Preferably, the servo motor;

[0033] A support platform is fixedly sleeved on the shaft end of the servo motor.

[0034] Preferably, the support platform;

[0035] A miniature confocal microscope, wherein one end of the outer wall of the miniature confocal microscope is bolted to one end of the outer wall of the support stage.

[0036] Preferably, the support platform;

[0037] A ceramic sleeve, one end of the outer wall of which is fixedly connected to one side of the outer wall of the support platform;

[0038] An air compressor is fixedly installed on one side of the outer wall of the support platform.

[0039] Preferably, an air compressor;

[0040] A connecting pipe, which is fixedly connected to one side of the outer wall of the air compressor;

[0041] An annular tube, wherein one end of the outer wall of the annular tube is connected to the outer wall of the connecting tube.

[0042] Preferably, a set of air holes is fixedly installed on one side of the outer wall of the annular tube.

[0043] In some possible embodiments, the touch screen functional sheet silver paste laser beveling device provided in this application has all the beneficial effects of the fastener, which will not be described in detail here.

[0044] Compared with the prior art, the technical solution provided in this application includes at least the following technical effects:

[0045] 1. This utility model employs a quality inspection component, including confocal microscopy technology, which provides three-dimensional surface imaging capabilities with nanometer-level resolution. It can monitor the processing of the beveled edge of the silver paste in real time. The three-dimensionally adjustable support supports the adjustment of the probe in the X / Y / Z axis directions. Combined with the nanometer-level displacement detection capability of the micro confocal microscope, it can calibrate the bevel angle between the laser processing head and the functional piece in real time, thereby ensuring the accuracy of bevel cutting and avoiding short circuits in the silver paste circuit due to angle errors. Highly reflective dust is easily generated during laser processing. The air curtain isolation device forms a barrier through annular airflow, which can blow away particles generated by molten silver paste in real time, ensuring the clarity of the microscopic image. At the same time, the ceramic sleeve maintains structural stability in the high-temperature environment generated by laser processing, preventing the micro confocal microscope head from shifting or failing due to thermal deformation.

[0046] Additional aspects and advantages of this application will become apparent in the following description or may be learned by practice of this application. Attached Figure Description

[0047] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0048] Figure 1 This utility model provides a front view perspective view of the structure in a touch screen functional sheet silver paste laser bevel processing device;

[0049] Figure 2 This utility model provides a side view of the three-dimensional structure of a touch screen functional sheet silver paste laser bevel processing device;

[0050] Figure 3 A three-dimensional structural view of a quality inspection component in a touch screen functional sheet silver paste laser bevel processing device is provided for this utility model;

[0051] Figure 4 This utility model provides a schematic diagram of the installation positions of the micro motor, the second support arm, and the servo motor in a touch screen functional sheet silver paste laser beveling device.

[0052] Figure 5 This utility model proposes a laser beveling device for silver paste processing of touch screen functional sheets. Figure 4 Enlarged 3D view of the structure at point A in the middle.

[0053] Figure label:

[0054] 1. Support frame; 2. Load-bearing platform; 3. Worktable; 4. Electric lead screw; 5. Base; 6. Laser assembly; 7. Laser head;

[0055] 8. Quality inspection components; 801. Fixing plate; 802. Support base; 803. Base; 804. Drive motor; 805. First support arm; 806. Micro motor; 807. Second support arm; 808. Servo motor; 809. Support platform; 810. Miniature confocal microscope; 811. Ceramic sleeve; 812. Air compressor; 813. Connecting pipe; 814. Annular pipe. Detailed Implementation

[0056] To better understand the above-mentioned objectives, features, and advantages of this application, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0057] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0058] In some embodiments, please refer to Figures 1 to 5 The present application provides a touch screen functional sheet silver paste laser beveling device, comprising: four supports 1; a quality inspection component 8, which is installed on the top of the four supports 1; and a fixing plate 801, which is installed on the top of the four supports 1.

[0059] A miniature confocal microscope 810 is mounted on top of four supports 1; a ceramic sleeve 811 is mounted on the outside of the miniature confocal microscope 810; and an annular tube 814 is fixedly sleeved on the outer surface of the miniature confocal microscope 810.

[0060] In this embodiment, the specific installation positions of the four supports 1 are first determined, and then the four supports 1 are fixed to the ground. After the four supports 1 are fixed, the device is connected to an external power supply. At this time, it is checked whether all components are installed in place and whether there is any looseness. Then, the micro confocal microscope 810 is precisely aligned with the processing area to ensure that the distance and angle between the micro confocal microscope 810 and the surface of the silver paste layer meet the requirements. The ceramic sleeve 811 serves as a protective structure for the micro confocal microscope 810. It has high thermal stability to prevent thermal deformation in the high-temperature environment generated by laser processing and to ensure the stability of the position of the micro confocal microscope 810. Then, the touch screen to be processed is placed on the worktable 3, and the processing work begins. During this process, high-temperature fumes, splash particles, and electrolyte contaminants will be generated. At the same time, the air compressor 812 is started, and a protective airflow is formed through the annular pipe 814 to isolate the high-temperature fumes, splash particles, and electrolyte contaminants generated during laser processing and prevent contamination of the probe lens or optical system.

[0061] In some embodiments, there are four supports 1; a support platform 2, which is fixedly welded to the top of the four supports 1; a worktable 3, which is fixedly connected to the top of the support platform 2; an electric lead screw 4, which is fixedly installed at the bottom of the worktable 3; a base 5, which is slidably connected to the bottom of the electric lead screw 4; a laser assembly 6, which is fixedly installed on one side of the outer wall of the base 5; and a laser head 7, which is installed on one side of the outer wall of the laser assembly 6.

[0062] In this embodiment, the base 5 is slidably connected to the bottom of the electric lead screw 4. The electric lead screw 4 can convert electrical energy into mechanical energy to drive the laser component 6 and the connected laser head 7 to make linear motion, thereby completing a one-dimensional motion direction. The four supports 1 can provide strong support for the connected components, so as to ensure that the equipment will not collapse due to vibration during continuous production.

[0063] In some embodiments, the laser assembly 6 and the fixing plate 801 are bolted together at the top and bottom of the laser assembly 6.

[0064] In this embodiment, the laser component 6 and the quality inspection component 8 are connected by a fixing plate 801, which can accurately detect the laser processing process, thereby ensuring the accuracy of the bevel cutting and avoiding short circuits in the silver paste circuit due to angle errors.

[0065] In some embodiments, a fixed plate 801; a support base 802, the support base 802 being fixedly installed on the top of the fixed plate 801; and a base 803, the base 803 being fixedly connected to the top of the support base 802.

[0066] In this embodiment, the support base 802 is fixedly installed on the top of the fixed plate 801, so that the base 803 is fixedly connected to the top of the support base 802. The base 803 is a core component of three-dimensional adjustment, which can ensure that the equipment will not tilt or even collapse due to insufficient support during subsequent testing.

[0067] In some embodiments, a base 803; a drive motor 804, the drive motor 804 being fixedly mounted on one side of the outer wall of the base 803; a first support arm 805, the first support arm 805 being fixedly sleeved on the shaft end of the drive motor 804; a micro motor 806, the micro motor 806 being fixedly mounted on one side of the outer wall of the first support arm 805; a second support arm 807, the second support arm 807 being fixedly sleeved on the shaft end of the micro motor 806; and a servo motor 808, the servo motor 808 being fixedly mounted on one side of the outer wall of the second support arm 807.

[0068] In this embodiment, a complete three-dimensional adjustable support is formed by pre-setting the above components, which supports the adjustment of the micro confocal microscope 810 in the X / Y / Z axis directions. With the nanometer-level displacement detection capability of the micro confocal microscope 810, the bevel angle between the laser processing head and the functional piece can be calibrated in real time, thereby ensuring the accuracy of bevel cutting.

[0069] In some embodiments, a servo motor 808 and a support platform 809 are provided, with the support platform 809 being fixedly sleeved on the shaft end of the servo motor 808.

[0070] In this embodiment, the support platform 809 is fixedly sleeved on the shaft end of the servo motor 808, and the servo motor 808 can convert electrical energy into mechanical energy to drive the support platform 809 to rotate at a uniform speed.

[0071] In some embodiments, the support stage 809 and the miniature confocal microscope 810 are bolted together, with one end of the outer wall of the miniature confocal microscope 810 and one end of the outer wall of the support stage 809.

[0072] In this embodiment, the miniature confocal microscope 810 uses confocal microscopy technology to emit laser pulses and receive reflected signals to scan the three-dimensional morphology of the silver paste edge in real time. When a deviation in the oblique angle or an edge defect is detected, the system automatically adjusts the laser parameters through closed-loop control, thereby improving production quality and efficiency.

[0073] In some embodiments, a support platform 809; a ceramic sleeve 811, one end of the outer wall of the ceramic sleeve 811 being fixedly connected to one side of the outer wall of the support platform 809; and an air compressor 812, which is fixedly installed on one side of the outer wall of the support platform 809.

[0074] In this embodiment, the ceramic sleeve 811 serves as the probe fixing structure. Due to its high thermal stability, it can avoid thermal deformation in the high-temperature environment generated by laser processing, ensuring the stability of the position of the miniature confocal microscope 810. Furthermore, the air compressor 812 serves as the core power source, providing a stable air supply to ensure the continuity and coverage of the air curtain, thereby isolating contaminants generated during processing.

[0075] In some embodiments, an air compressor 812;

[0076] Connecting pipe 813 is fixedly connected to one side of the outer wall of air compressor 812;

[0077] The outer wall of the annular tube 814 is connected to one end of the outer wall of the connecting tube 813.

[0078] In this embodiment, the connecting pipe 813 is first fixedly connected to one side of the outer wall of the air compressor 812, and the outer wall of the annular pipe 814 is connected to one end of the outer wall of the connecting pipe 813, so that the gas is accurately delivered to the inside of the annular pipe 814.

[0079] In some embodiments, a set of air holes is fixedly installed on one side of the outer wall of the annular tube 814.

[0080] In this embodiment, after the air compressor 812 delivers gas to the inside of the annular tube 814 through the connecting pipe 813, the compressed gas is discharged through a set of air holes. The barrier formed by this annular airflow can blow away the particles generated by the molten silver paste in real time, ensuring the clarity of the microscopic image.

[0081] In this application, it should be noted that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0082] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0083] In this application, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. The term "multiple" refers to two or more, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0084] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0085] In this application, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0086] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A laser beveling device for silver paste processing of touch screen functional sheets, characterized in that, include: Four supports (1); A quality inspection component (8) is mounted on top of four supports (1); A fixing plate (801) is mounted on the top of four supports (1); A miniature confocal microscope (810) is mounted on top of four supports (1); A ceramic sleeve (811) is mounted on the outside of the miniature confocal microscope (810); An annular tube (814) is fixedly sleeved on the outer surface of the micro confocal microscope (810).

2. The touch screen functional sheet silver paste laser beveling device according to claim 1, characterized in that: The four supports (1); The load-bearing platform (2) is fixedly welded to the top of the four supports (1); Workbench (3), which is fixedly connected to the top of the support platform (2); An electric lead screw (4) is fixedly installed at the bottom of the workbench (3); The base (5) is slidably connected to the bottom of the electric lead screw (4); Laser component (6), which is fixedly installed on one side of the outer wall of the base (5); Laser head (7) is mounted on one side of the outer wall of laser assembly (6).

3. The touch screen functional sheet silver paste laser beveling device according to claim 2, characterized in that, The laser component (6); A fixing plate (801) is bolted to the top of the laser assembly (6).

4. The touch screen functional sheet silver paste laser beveling device according to claim 3, characterized in that, The fixing plate (801); A support base (802) is fixedly mounted on the top of a fixing plate (801); A base (803) is fixedly connected to the top of a support base (802).

5. The touch screen functional sheet silver paste laser beveling device according to claim 4, characterized in that: The base (803); A drive motor (804) is fixedly mounted on one side of the outer wall of the base (803); The first support arm (805) is fixedly sleeved on the shaft end of the drive motor (804); A micro motor (806) is fixedly mounted on one side of the outer wall of the first support arm (805); The second support arm (807) is fixedly sleeved on the shaft end of the micro motor (806); A servo motor (808) is fixedly installed on one side of the outer wall of the second support arm (807).

6. The touch screen functional sheet silver paste laser beveling device according to claim 5, characterized in that: The servo motor (808); A support platform (809) is fixedly sleeved on the shaft end of a servo motor (808).

7. The touch screen functional sheet silver paste laser beveling device according to claim 6, characterized in that: The support platform (809); A miniature confocal microscope (810) is provided, wherein one end of the outer wall of the miniature confocal microscope (810) is bolted to one end of the outer wall of the support stage (809).

8. The touch screen functional sheet silver paste laser beveling device according to claim 6, characterized in that: The support platform (809); A ceramic sleeve (811) is fixedly connected at one end of its outer wall to one side of the outer wall of the support platform (809). An air compressor (812) is fixedly installed on one side of the outer wall of the support platform (809).

9. The touch screen functional sheet silver paste laser beveling device according to claim 8, characterized in that: Air compressor (812); A connecting pipe (813) is fixedly connected to one side of the outer wall of the air compressor (812); The annular tube (814) is connected to the outer wall of the connecting tube (813) at one end.

10. The touch screen functional sheet silver paste laser beveling device according to claim 1, characterized in that: A set of air holes is fixedly installed on one side of the outer wall of the annular tube (814).