Device and method for automatically identifying width and material of carrier

Abstract

The invention relates to the technical field of flexible substrate packaging, in particular to a carrier width and material automatic identification device and method, and the device comprises a machine table, a carrier track, a receiving end upper carrier, a first laser sensor group, a second laser sensor group, a receiving end lower carrier, a photoelectric sensor, a splayed guide wheel structure and an industrial personal computer. The track width is matched with a preset parameter (35 / 48 / 70mm) in real time through the first group of laser sensors, the ABS / AL material is distinguished by the second group of laser sensors based on the reflection intensity, and the state of the heat-resistant protective belt is detected by the photoelectric sensor. And when any parameter is abnormal, the industrial personal computer triggers shutdown. By combining the elastic resin layer with the splayed guide wheel structure and the V-shaped bracket for dynamic width adjustment (35-70mm), the problems of manual judgment misoperation, lack of real-time error correction and low production efficiency are solved, and the yield and the automation level of a flexible substrate packaging process are remarkably improved.

Description

Technical Field

[0001] The present invention relates to the technical field of flexible substrate packaging, and in particular to a device and method for automatically identifying carrier width and material. Background Art

[0002] In the flexible substrate packaging process, COF tapes of varying widths require carriers of specific widths (35mm, 48mm, and 70mm) and materials (ABS / AL). Existing technology relies on manual identification of carrier width and material, which carries the risk of misuse and can easily lead to product damage and scrap. Traditional methods also lack automated inspection mechanisms, resulting in low efficiency and difficulty ensuring yield.

[0003] Therefore, how to achieve fully automatic and high-precision identification of carrier width and material, and immediately intercept incorrect carriers at the initial stage of the process, has become a key technical challenge in improving the yield rate and production efficiency of flexible substrate packaging. Summary of the Invention

[0004] The problem to be solved by the present invention is to provide a device and method for automatically identifying the width and material of a carrier. Through the collaborative detection mechanism of a laser sensor and a photoelectric sensor, the width (35mm, 48mm, 70mm), material (ABS / AL) and protective tape type of the carrier can be accurately matched in real time to solve problems such as manual judgment prone to misoperation, lack of real-time error correction mechanism and low production efficiency, thereby avoiding material scrap and equipment abnormalities caused by incorrect use of carriers, and significantly improving the yield and automation level of the flexible substrate packaging process.

[0005] In view of the deficiencies of the prior art, the technical solution adopted by the present invention to solve the technical problems is:

[0006] A device for automatically identifying carrier width and material includes a machine platform, which is provided with a carrier track and a carrier on the receiving end; a first group of laser sensors is arranged above the carrier track, the first group of laser sensors includes three laser sensors, which are used to detect the track width in real time and match it with preset parameters; a second group of laser sensors is arranged above the carrier on the receiving end, the second group of laser sensors includes three laser sensors, which are used to synchronously detect the carrier width, position and surface reflection signal intensity to distinguish ABS material from AL material; a receiving end downloader is arranged below the carrier on the receiving end; the machine platform is also provided with an eight-shaped guide wheel structure for winding the product onto the carrier on the receiving end, a photoelectric sensor for identifying the installation status of a heat-resistant protective belt, and an industrial control computer; the carrier on the receiving end and the receiving end downloader are connected through the eight-shaped guide wheel structure, a protective belt is wound on the top of the receiving end downloader, and the receiving end downloader winds the protective belt onto the carrier on the receiving end; the industrial control computer is connected to each sensor, and a shutdown command is triggered when any parameter of the track width, carrier material or protective belt status is abnormal.

[0007] Preferably, the machine further comprises a jig, which is rigidly connected to the carrier and fixes the position of the carrier to ensure that the carrier tape is accurately wound into the interior of the carrier.

[0008] Preferably, the surface of the figure-eight guide wheel structure is wrapped with an elastic resin layer to ensure that the carrier tape does not jump, warp or stick when being transmitted in the forward and reverse directions.

[0009] Preferably, the figure eight guide wheel structure adopts a symmetrical V-shaped elastic bracket, and the bracket spacing can be dynamically adjusted with the width of the carrier belt, and the adjustment range is 35mm to 70mm.

[0010] A method for automatically identifying the width and material of a carrier comprises the following steps:

[0011] Track width matching: The first set of laser sensors measures the width of the vehicle track and compares the detected data with the preset width parameters of 35mm, 48mm, and 70mm;

[0012] Vehicle detection: The second set of laser sensors obtains the vehicle width and position information, and combines the reflected signal strength to determine whether the material is ABS or AL;

[0013] Protective tape detection: Use a photoelectric sensor to detect the surface resistance characteristics of the carrier and confirm the installation status of the heat-resistant protective tape;

[0014] Dynamic adjustment: The carrier tape tension is adjusted in real time through the elastic deformation of the figure-eight guide wheel structure to ensure no warping or deviation during transmission;

[0015] Abnormal control: If any of the track width, material type or protection belt status does not match the preset parameters, the industrial computer will output an audible and visual alarm and interrupt the equipment operation;

[0016] Preferably, the reflection signal strength determination includes: setting an AL material reflection strength threshold S1 and an ABS material reflection strength threshold S2 (S1>S2); when the measured strength is ≥S1, it is determined to be AL material, and when the measured strength is ≤S2, it is determined to be ABS material.

[0017] Preferably, in the dynamic adjustment step, the V-shaped elastic bracket of the figure-eight guide wheel structure automatically expands and contracts according to the width of the carrier belt, so that the center line of the carrier belt coincides with the track axis.

[0018] The beneficial effects of the present invention are as follows: through the collaborative detection mechanism of laser sensors and photoelectric sensors, the width (35mm, 48mm, 70mm), material (ABS / AL) and protective tape type of the carrier are accurately matched in real time to solve problems such as manual judgment and prone to misoperation, lack of real-time error correction mechanism and low production efficiency, thereby avoiding material scrap and equipment abnormalities caused by incorrect use of carriers, and significantly improving the yield and automation level of the flexible substrate packaging process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the device of the present invention;

[0020] Figure 2 It is a detection flow chart of the present invention;

[0021] Figure 3 It is a circuit diagram of the present invention.

[0022] Explanation of the accompanying symbols: 1. Machine; 2. Carrier track; 3. Carrier on the receiving end; 4. First group of laser sensors; 5. Second group of laser sensors; 6. Carrier on the receiving end; 7. Protective belt; 8. Photoelectric sensor. DETAILED DESCRIPTION

[0023] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described to better illustrate the principles of the invention and its practical application, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for specific applications.

[0024] With the gradual recovery of the global economy, applications such as the Internet of Things and automotive electronics are emerging. Driven by consumer demand for upgrades to traditional consumer electronics, demand for display drivers is increasing. The era of large-size, high-resolution, and high-contrast displays has officially begun, and the size of COF chips is also evolving. Demand for various COF bandwidths is increasing. These varying bandwidths necessitate different carrier sizes and materials for specific applications. Research and development is underway to automatically identify and match carrier technologies for different COF bandwidths in flexible substrate packaging.

[0025] like Figure 1-3As shown, the present invention provides a device and method for automatically identifying the width and material of a carrier. The device includes a machine 1, a carrier track 2 and a carrier 3 on the receiving end are provided on the machine 1, a first group of laser sensors 4 are provided above the carrier track 2, the first group of laser sensors 4 includes three laser sensors, and is used to detect the track width in real time and match it with preset parameters, a second group of laser sensors 5 is provided above the carrier 3 on the receiving end, the second group of laser sensors 5 includes three laser sensors, and is used to synchronously detect the width, position and surface reflection signal strength of the carrier to distinguish between ABS material and AL material, and the carrier on the receiving end is provided. 3 is provided below the receiving end downloading tool 6. The machine 1 is also provided with an eight-shaped guide wheel structure for winding the product onto the receiving end carrier 3, a photoelectric sensor 8 for identifying the installation status of the heat-resistant protective belt 7, and an industrial control computer. The receiving end carrier 3 is connected to the receiving end downloading tool 6 through the eight-shaped guide wheel structure. The protective belt 7 is wound on the receiving end downloading tool 6, and the receiving end downloading tool 6 winds the protective belt 7 onto the receiving end carrier 3. The industrial control computer is connected to the first group of laser sensors 4, the second group of laser sensors 5 and the photoelectric sensor 8. When any parameter of the track width, carrier material or protective belt status is abnormal, a shutdown command is triggered.

[0026] The machine 1 also includes a jig, which is a prior art jig. The jig is rigidly connected to the carrier, and the position of the carrier is fixed to ensure that the carrier tape is accurately wound into the carrier.

[0027] The surface of the figure-eight guide roller is coated with an elastic resin layer to ensure that the carrier tape does not skip, warp or stick during forward and reverse transmission.

[0028] The V-shaped guide wheel structure adopts symmetrical V-shaped elastic brackets. The bracket spacing can be dynamically adjusted according to the width of the carrier belt, and the adjustment range is 35mm to 70mm.

[0029] A method for automatically identifying the width and material of a carrier comprises the following steps:

[0030] Track width matching: The first set of laser sensors 4 measures the width of the vehicle track and compares the detected data with the preset width parameters of 35mm, 48mm, and 70mm;

[0031] Vehicle detection: The second set of laser sensors 5 obtains the vehicle width and position information, and combines the reflected signal strength to determine whether the material is ABS or AL;

[0032] Protective belt detection: The surface resistance characteristics of the carrier are detected by the photoelectric sensor 8 to confirm the installation status of the heat-resistant protective belt 7;

[0033] Dynamic adjustment: The carrier tape tension is adjusted in real time through the elastic deformation of the figure-eight guide wheel structure to ensure no warping or deviation during transmission;

[0034] Abnormal control: If any of the track width, material type or protection belt status does not match the preset parameters, the industrial computer will output an audible and visual alarm and interrupt the equipment operation;

[0035] The reflection signal strength determination includes: setting an AL material reflection strength threshold S1 and an ABS material reflection strength threshold S2 (S1>S2); when the measured strength is ≥ S1, it is determined to be an AL material, and when the measured strength is ≤ S2, it is determined to be an ABS material.

[0036] In the dynamic adjustment step, the V-shaped elastic bracket of the figure-eight guide wheel structure automatically expands and contracts according to the width of the carrier belt, so that the center line of the carrier belt coincides with the track axis.

[0037] During the material collection process, a circle of product and a circle of protective tape are cross-wound. The protective tape protects the product and prevents damage caused by friction between products.

[0038] Typical application scenarios

[0039] Before gluing process: Use ABS carrier and non-heat-resistant protective tape (feeding stage).

[0040] After the gluing process: switch the AL carrier and heat-resistant protective tape (high-temperature winding stage).

[0041] Error prevention mechanism: If an ABS carrier is mistakenly used after glue application (insufficient heat resistance), material detection will trigger a shutdown to prevent the carrier from melting.

[0042] Beneficial effects of the present invention:

[0043] 1. Error prevention throughout the entire process to eliminate the risk of manual misoperation

[0044] Technical basis: A triple real-time detection closed loop is constructed through the first set of laser sensors (track width detection), the second set of laser sensors (carrier width / material identification), and the photoelectric sensor (guard belt status verification).

[0045] Effect: Intercepting human error-prone scenarios such as incorrect carriers (such as a 48mm carrier mistakenly used on a 35mm track), incorrect materials (such as an ABS plastic carrier mistakenly used in a high-temperature process), and missing protective tape at the beginning of the process, thus avoiding product damage and scrapping at the source.

[0046] 2. Dynamic adaptive transmission to ensure yield stability

[0047] Technical basis: The elastic resin layer of the figure-eight guide wheel structure ensures stable transmission without skipping, warping, sticking, etc. during forward and reverse transmission; V-shaped elastic bracket (dynamically adjustable width 35-70mm).

[0048] Effect:

[0049] The centerline of the carrier tape always coincides with the track axis, eliminating transmission deviation;

[0050] There is no sudden change in tension during forward and reverse winding, which prevents the flexible substrate from breaking.

[0051] 3. Intelligent process upgrade to improve production efficiency

[0052] Technical basis: Real-time processing and decision-making of three-way sensor data by industrial computers.

[0053] Effect:

[0054] Eliminate the manual verification of vehicle numbers, shortening the time required for a single vehicle switch;

[0055] Immediate shutdown in case of abnormality (not retrospective) reduces associated waste (such as the entire roll being scrapped due to carrier errors after gluing).

[0056] 4. Multi-scenario compatibility reduces equipment modification costs

[0057] Technical basis: V-shaped bracket with wide range adaptation (35 / 48 / 70mm full coverage), reflection intensity threshold judgment method (S1 / S2 programmable adjustment).

[0058] Effect:

[0059] One device adapts to all COF bandwidth requirements, eliminating the need for customized hardware for different specifications; material judgment logic supports expansion (for example, adding a new vehicle material only requires adjusting the reflection threshold).

[0060] The present invention uses a collaborative detection mechanism of laser sensors and photoelectric sensors to accurately match the carrier width (35mm, 48mm, 70mm), material (ABS / AL), and protective tape type in real time. This solves problems such as manual judgment and prone to errors, lack of real-time error correction mechanisms, and low production efficiency. This avoids material scrap and equipment abnormalities caused by carrier misuse, significantly improving the yield and automation level of the flexible substrate packaging process.

Claims

1. A device for automatically identifying carrier width and material, comprising a machine (1), characterized in that: The machine (1) is provided with a carrier track (2) and a carrier (3) on the receiving end. A first group of laser sensors (4) is provided above the carrier track (2). The first group of laser sensors (4) includes three laser sensors for real-time detection of the track width and matching with preset parameters. A second group of laser sensors (5) is provided above the carrier (3) on the receiving end. The second group of laser sensors (5) includes three laser sensors for synchronously detecting the width, position and surface reflection signal intensity of the carrier to distinguish between ABS material and AL material. A carrier (6) on the receiving end is provided below the carrier (3) on the receiving end. The machine 1 is also provided with a The product is wound onto an eight-shaped guide wheel structure on a receiving end carrier (3), a photoelectric sensor (8) for identifying the installation status of a heat-resistant protective belt (7), and an industrial control computer. The receiving end carrier (3) is connected to a receiving end downloader (6) through the eight-shaped guide wheel structure. The protective belt (7) is wound on the receiving end downloader (6). The receiving end downloader (6) winds the protective belt (7) onto the receiving end carrier (3). The industrial control computer is connected to a first group of laser sensors (4), a second group of laser sensors (5), and a photoelectric sensor (8). When any parameter of the track width, carrier material, or protective belt status is abnormal, a shutdown command is triggered.

2. The automatic identification device for carrier width and material according to claim 1, characterized in that: The machine (1) also includes a jig, which is rigidly connected to the carrier and fixes the position of the carrier to ensure that the carrier tape is accurately wound into the interior of the carrier.

3. The automatic identification device for carrier width and material according to claim 1, characterized in that: The surface of the figure-eight guide wheel structure is wrapped with an elastic resin layer to ensure that the carrier tape does not jump, warp or stick when being transmitted in the forward and reverse directions.

4. The automatic identification device for carrier width and material according to claim 1, characterized in that: The described figure eight guide wheel structure adopts a symmetrical V-shaped elastic bracket, and the bracket spacing can be dynamically adjusted according to the width of the carrier belt, and the adjustment range is 35mm to 70mm.

5. A method for automatically identifying the width and material of a carrier, characterized in that: The following steps are involved: Track width matching: The width of the vehicle track is measured by the first set of laser sensors (4), and the detected data is compared with the preset width parameters of 35mm, 48mm, and 70mm; Vehicle detection: The second set of laser sensors (5) are used to obtain the width and position information of the vehicle, and the material is determined to be ABS or AL based on the reflected signal strength; Protection belt detection: Detect the surface resistance characteristics of the carrier through the photoelectric sensor (8) to confirm the installation status of the heat-resistant protection belt (7); Dynamic adjustment: The carrier tape tension is adjusted in real time through the elastic deformation of the figure-eight guide wheel structure to ensure no warping or deviation during transmission; Abnormal control: If any of the track width, material type or protection belt status does not match the preset parameters, the industrial computer will output an audible and visual alarm and interrupt equipment operation.

6. The method of the automatic identification device for carrier width and material according to claim 5, characterized in that: The reflection signal strength determination includes: setting an AL material reflection strength threshold S1 and an ABS material reflection strength threshold S2 (S1>S2); determining the material to be AL when the measured strength is ≥S1, and determining the material to be ABS when the measured strength is ≤S2.

7. The method of the automatic identification device for carrier width and material according to claim 5, characterized in that: In the dynamic adjustment step, the V-shaped elastic bracket of the figure-eight guide wheel structure automatically expands and contracts according to the width of the carrier belt, so that the center line of the carrier belt coincides with the track axis.

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