FFC inner patch reinforcing plate detection mechanism

Abstract

The utility model belongs to detection equipment technical field especially for FFC inner pasting reinforcing plate detection mechanism, including frame, the frame is rotatably connected with driven roller and driving roller, and the driven roller and driving roller are provided with the transmission gap of the FFC product transmission for the detection between, and one side fixed connection of frame has the mounting bracket, first detection device and second detection device are installed on the mounting bracket respectively, and first detection device and second detection device are divided and arranged at both sides of FFC product. The utility model installs two sets of detection devices on the mounting bracket, and two sets of detection devices are all transmission type photoelectric sensor, and the transmitter and receiver in transmission type photoelectric sensor are divided and arranged at both sides of FFC product, can effectively detect the existence of FFC product inner pasting reinforcing plate and the position of pasting, and the detection precision is high, the cost is low, is suitable for actual use, solves the problem of high cost and low detection precision of present stage detection mode.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, specifically to a testing mechanism for FFC internal reinforcing plates. Background Technology

[0002] FFC refers to Flexible Flat Cable, a flexible cable used for signal transmission inside electronic devices, commonly found in products such as mobile phones and laptops. An internal reinforcing plate refers to a reinforcing component attached to a specific location (such as the interface) of the FFC cable. Its function is to enhance the structural stability of the cable and prevent bending damage. In actual production, the performance of the FFC internal reinforcing plate (such as adhesion firmness, temperature resistance, insulation, etc.) needs to be tested to avoid defective products. Currently, in the FFC industry, two common testing methods are used to ensure the internal hidden reinforcing plate is correctly attached: CCD visual inspection and manual visual inspection. Visual inspection is expensive and requires significant time for equipment adjustment when switching between different product specifications. Manual visual inspection, on the other hand, is prone to misjudgment due to the insufficiently obvious characteristics of the reinforcing plate, leading to the release of defective products. Therefore, this invention proposes an FFC internal reinforcing plate testing mechanism to specifically solve this problem. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides an FFC internal reinforcement plate detection mechanism. By installing two sets of detection devices on the mounting frame, the detection devices are transmission-type photoelectric sensors. The transmitter and receiver of the transmission-type photoelectric sensor are respectively located on both sides of the FFC product, which can effectively detect the presence and attachment position of the internal reinforcement plate of the FFC product. It has high performance, low cost, and is suitable for practical use, solving the problems of high cost and low detection accuracy of the current detection methods.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] The FFC internal reinforcement plate detection mechanism includes a frame, on which a driven roller and a driven roller are rotatably connected. A conveying gap is provided between the driven roller and the driven roller for the transmission of the FFC product to be tested. A mounting frame is fixedly connected to one side of the frame. A first detection device and a second detection device are respectively mounted on the mounting frame. The first detection device and the second detection device are respectively located on both sides of the FFC product. A control and display mechanism for receiving the output signals of the first detection device and the second detection device is fixedly connected to one side of the mounting frame.

[0008] Furthermore, both the first and second detection devices are transmission-type photoelectric sensors. The transmission-type photoelectric sensor includes a transmitter and a receiver, which are respectively located on both sides of the FFC product and fixed on the mounting bracket. The transmitter is fixed to the upper part of the mounting bracket, and the receiver is fixed to the bottom of the mounting bracket. When the FFC product passes through an area with a reinforcing plate, the light is blocked by the reinforcing plate, and the amount of light received by the receiver is reduced. When the FFC product passes through an area without a reinforcing plate, the light penetration is strong, and the amount of light received by the receiver increases. This enables the performance detection of the presence and location of the reinforcing plate inside the FFC product.

[0009] Furthermore, the control and display mechanism includes a mounting plate fixedly connected to one side of the mounting bracket, and a PLC controller, a battery, and an alarm installed sequentially on the mounting plate. The output terminals of the two transmissive photoelectric sensors are electrically connected to the input terminal of the PLC controller, and the output terminal of the PLC controller is electrically connected to the input terminal of the alarm.

[0010] Furthermore, the warning device is an audible and visual alarm.

[0011] Furthermore, a display is mounted on the top of the upright fixed to one side of the mounting plate. The signal interface of the PLC controller is electrically connected to the display via a cable. The PLC controller, the alarm, and the display are connected in parallel to a rechargeable lithium battery.

[0012] Furthermore, a soft pad layer is fixedly connected to the outer wall of both the driven roller and the driving roller.

[0013] Furthermore, the drive shaft on one side of the driven roller extends to the outside of the frame and is fixedly connected to a driven gear, and the drive shaft on one side of the driving roller extends to the outside of the frame and is fixedly connected to a driving gear. The driving gear and the driven gear mesh with each other, and a motor is mounted on a mounting base fixed on one side of the frame. The output shaft of the motor is coaxially connected and fixed to the drive shaft on the side of the driving roller, and the drive shafts of both the driving roller and the driven roller are rotatably connected to the frame through bearings.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides an FFC internal reinforcement plate detection mechanism, which has the following beneficial effects:

[0016] This invention utilizes a first and second detection device mounted on a mounting frame. Both devices are transmissive photoelectric sensors, with the transmitter and receiver positioned on opposite sides of the FFC product. When light passes through an area of ​​the FFC product with a reinforcing plate, the light is blocked by the plate, reducing the amount of light received by the receiver. Conversely, when light passes through an area without a reinforcing plate, the light penetration is strong, increasing the amount of light received by the receiver. This allows for the detection of the presence and placement of the internal reinforcing plate within the FFC product, providing high accuracy and effectively preventing missed or misaligned placement of the internal reinforcing material, thus ensuring the processing quality of the FFC product. Compared to traditional CCD detection, this method is lower in cost and easier to implement. Furthermore, it offers higher accuracy than manual detection, guaranteeing both detection quality and product processing quality, resulting in excellent performance. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the present invention from a first-person perspective;

[0018] Figure 2 This is a schematic diagram of the control and display mechanism in this utility model;

[0019] Figure 3 This is a three-dimensional schematic diagram of the present invention from a second perspective.

[0020] In the diagram: 1. Frame; 2. Mounting bracket; 3. Control and display mechanism; 301. Mounting plate; 302. PLC controller; 303. Battery; 304. Alarm device; 305. Pole; 306. Display; 4. FFC product; 5. Driven roller; 6. First detection device; 7. Driven roller; 8. Second detection device; 9. Mounting base; 10. Motor; 11. Driven gear; 12. Driven gear. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example

[0023] like Figure 1 and Figure 3As shown, an embodiment of the present invention provides an FFC internal reinforcement plate detection mechanism, which includes a frame 1. A driven roller 5 and a driving roller 7 are rotatably connected on the frame 1. A conveying gap is provided between the driven roller 5 and the driving roller 7 for conveying the FFC product 4 to be tested. A mounting frame 2 is fixedly connected to one side of the frame 1. A first detection device 6 and a second detection device 8 are respectively installed on the mounting frame 2. The first detection device 6 and the second detection device 8 are respectively located on both sides of the FFC product 4. A control and display mechanism 3 for receiving the output signals of the first detection device 6 and the second detection device 8 is fixedly connected to one side of the mounting frame 2.

[0024] It should be noted that the frame 1, as the basic support frame of the entire testing mechanism, provides a stable mounting carrier for the driven roller 5, the driving roller 7, and the mounting frame 2. The driven roller 5 and the driving roller 7 are rotatably connected and assembled on the frame 1. The conveying gap formed between them is adapted to the thickness of the FFC product 4 to be tested, ensuring that the FFC product 4 can pass through smoothly. The mounting frame 2 is fixed on one side of the frame 1 and is used to support the first testing device 6 and the second testing device 8. The testing devices can simultaneously collect testing signals from both sides. The control and display mechanism 3 is fixedly connected to the mounting frame 2. Its core function is to receive the electrical signals output by the first testing device 6 and the second testing device 8, and after internal processing, realize the display of testing results and abnormal warnings, forming a complete closed loop of "conveying-testing-signal processing".

[0025] like Figure 1 As shown, in some embodiments, the first detection device 6 and the second detection device 8 are both transmission-type photoelectric sensors. The transmission-type photoelectric sensor includes a transmitter and a receiver, which are respectively disposed on both sides of the FFC product 4 and fixed on the mounting bracket 2. The transmitter is fixed to the upper part of the mounting bracket 2, and the receiver is fixed to the bottom of the mounting bracket 2. When the FFC product 4 passes through an area with a reinforcing plate, the light is blocked by the reinforcing plate, and the amount of light received by the receiver is reduced. When the FFC product 4 passes through an area without a reinforcing plate, the light penetration is strong, and the amount of light received by the receiver increases. This enables the performance detection of the presence and location of the reinforcing plate inside the FFC product 4.

[0026] It should be noted that the first detection device 6 and the second detection device 8 use transmission-type photoelectric sensors, which achieve detection through the optical principle of "transmitter emitting light - light penetration / blocking - receiver receiving light". The transmitter is fixed on the upper part of the mounting bracket 2, and the receiver is fixed on the bottom. The light propagation paths of the two pass perpendicularly through the transmission channel of the FFC product 4. When the area of ​​the FFC product 4 with the reinforcing plate passes through the light channel, the light emitted by the transmitter will be blocked due to the opaque or extremely low light transmittance of the reinforcing plate material (usually an insulating reinforcing material), resulting in a significant reduction in the light intensity received by the receiver. However, when the area of ​​the FFC product 4 without the reinforcing plate passes through, the FFC cable itself has strong light transmittance, and most of the light can pass through, resulting in a significant increase in the light intensity received by the receiver. The receiver converts changes in light intensity into electrical signals such as current or voltage changes. By comparing the difference in electrical signals between the "with reinforcement plate" and "without reinforcement plate" states, the presence or absence of the reinforcement plate on the FFC product 4 can be determined. At the same time, by combining the transmission speed of the FFC product 4 with the time point of the signal change, the attachment position of the reinforcement plate on the FFC product 4 can be calculated, realizing the dual functions of "presence detection" and "position detection".

[0027] like Figure 1 and Figure 2 As shown, in some embodiments, the control display mechanism 3 includes a mounting plate 301 fixedly connected to one side of the mounting bracket 2, and a PLC controller 302, a battery 303 and an alarm 304 sequentially mounted on the mounting plate 301. The output terminals of the two transmissive photoelectric sensors are electrically connected to the input terminal of the PLC controller 302, and the output terminal of the PLC controller 302 is electrically connected to the input terminal of the alarm 304.

[0028] It should be noted that the mounting plate 301 in the control display mechanism 3 provides an integrated mounting platform for the PLC controller 302, battery 303, and alarm 304, ensuring a compact layout and stable circuit connection for each component. The output terminals of the two transmissive photoelectric sensors are electrically connected to the input terminal of the PLC controller 302 via wires. The electrical signals generated by the sensors are transmitted to the PLC controller 302 in real time. The PLC controller 302 has preset detection thresholds (i.e., the standard range of electrical signals corresponding to "with reinforcement plate" and "without reinforcement plate"). By comparing the received real-time signals with the preset thresholds, it determines whether the reinforcement plate of the FFC product 4 meets the requirements (e.g., whether it is missing or misaligned). When an abnormal signal is detected (e.g., no reinforcement plate signal is detected or the signal position exceeds the standard range), the PLC controller 302 sends a trigger signal to the input terminal of the alarm 304 to activate the alarm function. The battery 303 provides a stable DC power supply for the PLC controller 302 and the alarm 304, ensuring the continuous operation of the core control components.

[0029] like Figure 2 As shown, in some embodiments, the alarm 304 is an audible and visual alarm.

[0030] It should be noted that the warning device 304 uses an audible and visual alarm. When the PLC controller 302 detects an abnormality in the FFC product 4 reinforcing plate (missing attachment, positional misalignment, etc.), it will control the audible and visual alarm to work. Through the dual warning method of "sound + vision", it will quickly remind the on-site operators that there are unqualified products, so that the machine can be stopped in time for inspection or handling, and prevent unqualified products from flowing into the next process.

[0031] like Figure 2 As shown, in some embodiments, a display 306 is mounted on the top of the upright 305 fixed on one side of the mounting plate 301. The signal interface of the PLC controller 302 is electrically connected to the display 306 via a cable. The PLC controller 302, the alarm 304, and the display 306 are connected in parallel to the battery 303, which is a rechargeable lithium battery.

[0032] It should be noted that the height of the upright 305 fixed on one side of the mounting plate 301 is designed according to the operator's viewing angle, ensuring that the top-mounted display 306 is in an easily viewable position. The signal interface of the PLC controller 302 is electrically connected to the display 306 via a cable. When processing sensor signals, the PLC controller 302 converts the detection data (such as the position coordinates of the reinforcement plate, the pass rate, the number of abnormalities, etc.) into display signals and transmits them to the display 306 in real time, presenting them intuitively in the form of numbers, charts, or text, which is convenient for operators to monitor the detection process and trace the data. At the same time, the PLC controller 302, the alarm 304, and the display 306 are connected to the battery 303 in parallel. This circuit connection method can ensure that the three components work independently and do not affect each other (e.g., a failure of one component will not cause other components to lose power). The battery 303 is a rechargeable lithium battery, which can meet the needs of mobile use scenarios (eliminating the limitation of external power supply) and reduce the cost of use through repeated charging. Its capacity design must match the continuous operation time of the equipment to ensure uninterrupted detection work.

[0033] like Figure 1 and Figure 3 As shown, in some embodiments, a padding layer is fixedly connected to both the outer wall of the driven roller 5 and the outer wall of the driving roller 7.

[0034] It should be noted that the soft padding layer fixed to the outer wall of the driven roller 5 and the driving roller 7 is made of elastic material (such as rubber or silicone). When the FFC product 4 passes through the conveying gap, the soft padding layer will make flexible contact with the surface of the FFC product 4. On the one hand, the elastic material can increase the friction between the roller and the FFC product 4, and prevent the FFC product 4 from slipping during the transmission process. On the other hand, the soft padding layer can buffer the pressure of the roller on the FFC product 4, and prevent the FFC cable (flexible material) from bending, indenting or being damaged due to rigid contact of the roller.

[0035] like Figure 1 and Figure 3 As shown, in some embodiments, the drive shaft on one side of the driven roller 5 extends to the outside of the frame 1 and is fixedly connected to the driven gear 12, and the drive shaft on one side of the driving roller 7 extends to the outside of the frame 1 and is fixedly connected to the driving gear 11. The driving gear 11 and the driven gear 12 mesh with each other, and a motor 10 is mounted on the mounting base 9 fixed on one side of the frame 1. The output shaft of the motor 10 is coaxially connected and fixed to the drive shaft on one side of the driving roller 7, and the drive shafts of the driving roller 7 and the driven roller 5 are rotatably connected to the frame 1 through bearings.

[0036] It should be noted that the mounting base 9 on one side of the frame 1 provides a fixed support for the motor 10. After the motor 10 is powered on, its output shaft will rotate at the set speed. Since the output shaft of the motor 10 is coaxially fixed with the drive shaft of the drive roller 7, it will directly drive the drive roller 7 to rotate. The drive gear 11 is fixed on the part of the drive shaft of the drive roller 7 extending to the outside of the frame 1. The driven gear 12 fixed on the outside of the drive shaft of the driven roller 5 meshes with the drive gear 11. According to the gear transmission principle, the rotation of the drive gear 11 will drive the driven gear 12 to rotate in the opposite direction. Since the module and number of teeth of the two gears are matched, the speeds of the drive roller 7 and the driven roller 5 are equal in magnitude and opposite in direction. At the same time, the drive shafts of the drive roller 7 and the driven roller 5 are rotatably connected to the frame 1 through bearings. The bearings can reduce the frictional resistance between the shaft and the frame 1, ensuring smooth rotation of the rollers. Ultimately, the two rollers rotate synchronously in opposite directions, forming a clamping and conveying force on the FFC product 4, enabling the FFC product 4 to be transmitted forward at a uniform speed and smoothly in the conveying gap, providing the testing device with a continuous and stable testing object.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A FFC inner reinforcing plate detection mechanism, comprising a rack (1), characterized in that: A driven roller (5) and a driven roller (7) are rotatably connected on the frame (1). A conveying gap is provided between the driven roller (5) and the driven roller (7) for the transmission of the FFC product (4) to be tested. A mounting frame (2) is fixedly connected to one side of the frame (1). A first detection device (6) and a second detection device (8) are respectively installed on the mounting frame (2). The first detection device (6) and the second detection device (8) are respectively located on both sides of the FFC product (4). A control display mechanism (3) for receiving the output signals of the first detection device (6) and the second detection device (8) is fixedly connected to one side of the mounting frame (2).

2. The FFC inner patch reinforcing plate detection mechanism according to claim 1, characterized in that: Both the first detection device (6) and the second detection device (8) are transmission-type photoelectric sensors. The transmission-type photoelectric sensor includes: Transmitter; The receiver, transmitter, and receiver are respectively located on both sides of the FFC product (4) and are all fixed on the mounting bracket (2). The transmitter is fixed on the upper part of the mounting bracket (2) and the receiver is fixed on the bottom of the mounting bracket (2). When the FFC product (4) has a reinforcing plate, the light is blocked by the reinforcing plate and the amount of light received by the receiver is reduced. When the FFC product (4) has no reinforcing plate, the light penetration is strong and the amount of light received by the receiver is increased. This achieves the performance detection of whether there is a reinforcing plate inside the FFC product (4) and the attachment position.

3. The FFC inner patch reinforcing plate detection mechanism according to claim 2, characterized in that: The control and display mechanism (3) includes a mounting plate (301) fixedly connected to one side of the mounting bracket (2), and a PLC controller (302), a battery (303) and an alarm (304) sequentially mounted on the mounting plate (301). The output terminals of the two transmissive photoelectric sensors are electrically connected to the input terminal of the PLC controller (302), and the output terminal of the PLC controller (302) is electrically connected to the input terminal of the alarm (304).

4. The FFC inner patch reinforcing plate detection mechanism according to claim 3, characterized in that: The warning device (304) is an audible and visual alarm.

5. The FFC inner patch reinforcing plate detection mechanism according to claim 4, characterized in that: A display (306) is mounted on the top of a pole (305) fixed to one side of the mounting plate (301). The signal interface of the PLC controller (302) is electrically connected to the display (306) via a cable. The PLC controller (302), the alarm (304), and the display (306) are connected in parallel to the battery (303), which is a rechargeable lithium battery.

6. The FFC inner patch reinforcing plate detection mechanism according to claim 1, characterized in that: A soft pad layer is fixedly connected to the outer wall of both the driven roller (5) and the driving roller (7).

7. The FFC inner patch reinforcing plate detection mechanism according to claim 1, characterized in that: The drive shaft on one side of the driven roller (5) extends to the outside of the frame (1) and is fixedly connected to the driven gear (12). The drive shaft on one side of the driving roller (7) extends to the outside of the frame (1) and is fixedly connected to the driving gear (11). The driving gear (11) and the driven gear (12) mesh with each other. A motor (10) is installed on a mounting base (9) fixed on one side of the frame (1). The output shaft of the motor (10) is coaxially connected and fixed to the drive shaft on one side of the driving roller (7). The drive shafts of the driving roller (7) and the driven roller (5) are rotatably connected to the frame (1) through bearings.

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