FPC (Flexible Printed Circuit) soft board separation and detection equipment with arch pushing function
By designing an FPC flexible board separation and testing device with an arching function, the device utilizes clamps and a power module to form an arch shape, increasing the interlayer spacing. Combined with a high-definition camera and backlight, it solves the accuracy and precision problems of multi-layer FPC flexible board separation and testing, achieving more stable testing results.
Patent Information
- Application Number
- CN202423220129.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In the existing technology, the detection of the separation area of multilayer FPC circuit boards has problems of poor accuracy and inaccurate detection. In particular, due to the small spacing between the layers and the possibility of contact, the detection by image magnification equipment is not accurate enough.
Design an FPC flexible board separation and testing device with an arching function. The device clamps the two ends of a multi-layer FPC flexible board with a first clamp and a second clamp, and uses a first and a second power module to form an arch shape in the separation and testing section, increasing the spacing between the layers. It is then used with a high-definition camera and a backlight for observation to ensure the accuracy and precision of the test.
It improves the precision and accuracy of separation testing of multilayer FPC flexible boards, reduces local stress concentration, avoids skewing or twisting during the testing process, provides a more stable driving force, and ensures the reliability of the test results.
Smart Images
Figure CN223551132U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of FPC flexible circuit board testing technology, and in particular to an FPC flexible circuit board separation and testing device with a pushing function. Background Technology
[0002] Flexible printed circuit boards (FPCs) refer to circuit boards made using flexible materials as the substrate. These circuit boards can be freely bent, folded, and even twisted without affecting their electrical performance. Multilayer FPCs, on the other hand, are a more complex technology developed based on single-layer or multi-layer rigid boards. They are formed by stacking and connecting multiple layers of flexible circuit boards in a specific way to create a unified structure. This approach increases the density and complexity of the circuit board while maintaining the advantages of flexible boards.
[0003] In most designs, the layers of a multilayer FPC circuit board are bonded together. However, in some specific application areas, in order to meet specific functional requirements, multilayer FPC circuit boards with partially separated states are designed to meet market demands.
[0004] After the separated multilayer FPC circuit boards are manufactured, the separated areas still need to be inspected to improve product quality and prevent unseparated products from being released. However, the current inspection of the separated areas of multilayer FPC circuit boards usually involves observing the separated areas with a microscope with image magnification function to determine the separation status of the multilayer FPC circuit boards. However, since the spacing between the FPC circuit boards of each layer is very small, and some areas are even in contact with each other, relying solely on image magnification equipment for inspection will result in poor accuracy and inaccurate detection.
[0005] Therefore, it is necessary to propose a new technical solution to address the above problems. Utility Model Content
[0006] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the aforementioned problems.
[0007] To achieve the above objectives, this utility model provides the following technical solution: an FPC flexible board separation and testing device with a pushing function, comprising a first clamping member, a second clamping member, and a first power module;
[0008] The first clamping member and the second clamping member are used to clamp the two ends of the multilayer FPC flexible board. The multilayer FPC flexible board has a separation detection part, and the separation detection part is located between the first clamping member and the second clamping member.
[0009] The first clamping component is connected to the first power module, and the first power module drives the first clamping component to move towards the second clamping component, so that the separation detection part forms an arch shape.
[0010] As a further embodiment of this utility model, it also includes a second power module for driving the second clamping member to move toward the first clamping member, so that the first power module and the second power module can respectively drive the first clamping member and the second clamping member to move closer to each other or further away from each other.
[0011] As a further embodiment of the present invention: the first clamping component includes a first base plate and a first cover plate that is folded and connected to the first base plate by a rotating connection structure;
[0012] The second clamping component includes a second base plate and a second cover plate that is folded and connected to the second base plate via a rotating connection structure.
[0013] As a further embodiment of the present invention: the rotating connection structure includes a first rotating shaft seat disposed on the first base plate, and the first cover plate is provided with a first rotating handle rotatably connected to the first rotating shaft seat, so that the first cover plate can be flipped and folded on the first base plate.
[0014] The second cover plate has a second pivot seat set on the second base plate and a second pivot handle rotatably connected to the second pivot seat, so that the second cover plate can be flipped and folded on the second base plate.
[0015] As a further embodiment of this utility model: multiple positioning pins are respectively provided on the first base plate and the second base plate, and the multiple positioning pins are arranged around the edge of the FPC flexible board. Multiple openings corresponding to the positioning pins are respectively provided on the first cover plate and the second cover plate.
[0016] As a further embodiment of this utility model: both the first cover plate and the second cover plate are provided with through holes, and magnetic suction components are provided in the through holes. Both the first base plate and the second base plate are made of materials that can attract each other with the magnetic suction components.
[0017] As a further embodiment of this utility model: protective adhesive strips are provided at the ends of the contact surfaces of the first cover plate and the second cover plate with the multilayer FPC flexible board.
[0018] As a further embodiment of this utility model: a material shortage sensor is provided on the side of the first base plate away from the first cover plate, and a first through hole is provided on the first base plate. The material shortage sensor senses the multilayer FPC flexible board through the first through hole. The material shortage sensor is located in the overlapping area of the first cover plate and the multilayer FPC flexible board.
[0019] As a further embodiment of this utility model: a cover plate sensor is provided on the side of the first base plate away from the first cover plate, and a second through hole is provided on the first base plate. The cover plate sensor senses the first cover plate through the second through hole. The cover plate sensor is located in the area outside the overlap between the first cover plate and the multilayer FPC flexible board after the first cover plate covers the multilayer FPC flexible board.
[0020] As a further embodiment of this utility model: the multilayer FPC flexible board has an identification code, the placement base plate has a probe hole corresponding to the identification code, and a barcode scanner is installed on the side of the placement base plate away from the cover plate, and the barcode scanner probe is aligned with the identification code through the probe hole.
[0021] Compared with the prior art, the beneficial effects of this technical solution are as follows: The operator places both ends of the multilayer FPC flexible board on the first clamp and the second clamp and fixes it, so that the separation detection part of the multilayer FPC flexible board is located in the area between the first clamp and the second clamp. The first power module drives the first clamp to move closer to the second clamp, so that the separation detection part naturally forms an arch shape during this process. After the separation detection part forms an arch shape, the distance between each layer will increase, making it easier to observe the separation between each layer, improving the detection accuracy and precision, and enabling tools such as cameras to observe the separation between each layer more clearly.
[0022] The first and second power modules can drive the first and second clamping components to move closer to each other, causing the separation and detection part to deform uniformly in the middle area, forming a symmetrical arch shape. The symmetrical arch shape can ensure that the spacing between each layer increases uniformly, reduce local stress concentration, improve the accuracy and reliability of the detection, and provide a more stable driving force to ensure that the separation and detection part does not deviate or twist during the deformation process, thus avoiding unnecessary damage.
[0023] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0025] Figure 1 This is a schematic diagram of the structure of this utility model;
[0026] Figure 2 This is a schematic diagram of the first and second clamping components of this utility model;
[0027] Figure 3 This is a schematic diagram of the unfolded structure of the first and second cover plates of this utility model;
[0028] The corresponding labels in the attached diagram are explained as follows:
[0029] 1. First clamping component; 101. First base plate; 102. First cover plate; 103. First pivot seat; 104. First rotating handle; 2. Second clamping component; 201. Second base plate; 202. Second cover plate; 203. Second pivot seat; 204. Second rotating handle; 3. First power module; 4. Second power module; 5. Positioning pin; 6. Magnetic suction component; 7. Protective adhesive strip; 8. Material shortage sensor; 9. Cover plate sensor; 10. Barcode scanner. Detailed Implementation
[0030] 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.
[0031] Please see Figure 1-3 An FPC flexible board separation and testing device with a pushing function includes: a first clamping member 1, a second clamping member 2, and a first power module 3.
[0032] Example 1:
[0033] The first clamping member 1 and the second clamping member 2 are used to clamp the two ends of the multilayer FPC flexible board. The multilayer FPC flexible board has a separation detection part, and the separation detection part is located between the first clamping member 1 and the second clamping member 2.
[0034] The first clamping component 1 is connected to the first power module 3. The first power module 3 drives the first clamping component 1 to move towards the second clamping component 2, so that the separation detection part forms an arch shape.
[0035] In the technical solution of this utility model, the operator places both ends of the multilayer FPC flexible board on the first clamping fastener 1 and the second clamping fastener 2 for clamping and fixing, so that the separation detection part of the multilayer FPC flexible board is located in the area between the first clamping fastener 1 and the second clamping fastener 2. The first power module 3 drives the first clamping fastener 1 to move closer to the second clamping fastener 2, so that the separation detection part naturally forms an arch shape during this process. After the separation detection part forms an arch shape, the distance between each layer will increase, making it easier to observe the separation between each layer, improving the detection accuracy and precision, and enabling tools such as cameras to observe the separation between each layer more clearly.
[0036] In the specific implementation process, a camera is also installed to capture and observe the separation detection section. In order to make the captured images clearer, a CCD camera with a high-definition telecentric lens is preferred for the camera. The camera is installed vertically facing the side of the separation section, so that the captured image shows the separation state between the layers of the separation detection section. At the same time, the camera is also connected to an external signal transmission display device. The camera transmits the captured images to the display device for direct viewing by the operator. In addition, a backlight is installed on the other end of the multi-layer FPC flexible board, opposite to the camera. The backlight can provide uniform background illumination, which enhances the contrast between the layers of the separation section and makes it easier to observe the fine layering, thereby making the measurement more accurate. At the same time, a lifting cylinder is added to adjust the height of the backlight so that the backlight is aligned with the camera.
[0037] Example 2:
[0038] It also includes a second power module 4 for moving the second clamping member 2 toward the first clamping member 1, so that the first power module 3 and the second power module 4 can respectively drive the first clamping member 1 and the second clamping member 2 to move closer to or further away from each other.
[0039] The first power module 3 drives the first clamp 1 to move closer to the second clamp 2, so that the separation detection part naturally forms an arch shape during this process. Since it is a unidirectional movement, the separation detection part will form an asymmetrical arch shape in the middle area. The asymmetrical arch shape may cause uneven spacing between layers, local stress concentration, affecting the accuracy and reliability of the detection. It may also cause the separation detection part to deviate or twist during the deformation process, causing unnecessary damage.
[0040] By adding a second power module 4 to drive the second clamping member 2, the first power module 3 and the second power module 4 can respectively drive the first clamping member 1 and the second clamping member 2 to move closer to each other, so that the separation detection part deforms uniformly in the middle area and forms a symmetrical arch shape. The symmetrical arch shape can ensure that the spacing between each layer increases uniformly, reduce local stress concentration, improve the accuracy and reliability of detection, and at the same time provide a more stable driving force to ensure that the separation detection part does not deviate or twist during the deformation process, avoiding unnecessary damage.
[0041] In this solution, both the first power module 3 and the second power module 4 can be composed of a servo motor, a slide rail, a lead screw, and a slider. The slider is slidably connected to the slide rail, the lead screw is located inside the slide rail, and the slider is screwed to the lead screw. The servo motor drives the lead screw, causing the slider to slide within the slide rail, thereby moving the first clamping member 1 and the second clamping member 2. The precision servo motor module makes the separation distance of the separation detection section adjustable. Furthermore, when the first power module 3 and the second power module 4 drive the first clamping member 1 and the second clamping member 2 to move simultaneously in the same direction, the positions of the first clamping member 1 and the second clamping member 2 are adjusted to ensure that the position of the separation detection section between the first clamping member 1 and the second clamping member 2 is aligned with the camera. This utility model, as described above... Figure 1 The device also includes a tooling plate and a vertical plate. The tooling plate is used for mounting the camera, and the vertical plate is used for mounting and fixing the first power module 3 and the second power module 4.
[0042] Preferably, the first clamping component 1 includes a first base plate 101 and a first cover plate 102 that is folded and connected to the first base plate 101 by a rotating connection structure;
[0043] The second clamping component 2 includes a second base plate 201 and a second cover plate 202 that is folded and connected to the second base plate 201 by a rotating connection structure.
[0044] The rotating connection structure includes a first rotating shaft seat 103 disposed on the first base plate 101, and a first cover plate 102 having a first rotating handle 104 rotatably connected to the first rotating shaft seat 103, so that the first cover plate 102 can be flipped and folded on the first base plate 101.
[0045] The second pivot seat 203 is provided on the second base plate 201, and the second cover plate 202 has a second rotating handle 204 rotatably connected to the second pivot seat 203, so that the second cover plate 202 can be flipped and folded on the second base plate 201.
[0046] Specifically, when placing the multi-layer FPC flexible board to be tested, both ends of the multi-layer FPC flexible board can be placed on the first base plate 101 and the second base plate 201. Then, the first cover plate 102 and the second cover plate 202 are rotated and connected to flip over, covering the non-testing part of the multi-layer FPC flexible board, thereby fixing the multi-layer FPC flexible board and preventing the position of the multi-layer FPC flexible board from shifting during the movement, which would cause the separated part to not be facing the camera.
[0047] In order to avoid the first cover plate 102 and the second cover plate 202 affecting the shooting of the camera, when the first cover plate 102 and the second cover plate 202 are flipped to cover the multilayer FPC flexible board, they are preferably aligned with the end faces of the first base plate 101 and the second base plate 201, respectively. This can prevent the edges of the first cover plate 102 and the second cover plate 202 from protruding and affecting the detection accuracy of the shooting detector.
[0048] More preferably, the first base plate 101 and the second base plate 201 are each provided with a plurality of positioning pins 5, and the plurality of positioning pins 5 are arranged around the edge of the FPC flexible board. The first cover plate 102 and the second cover plate 202 are each provided with a plurality of openings corresponding to the positioning pins 5. When the first cover plate 102 and the second cover plate 202 are flipped and closed on the first base plate 101 and the second base plate 201 respectively and press the FPC flexible board, the openings correspond to the positioning pins 5.
[0049] Specifically, such as Figure 3 As shown, there are 4 positioning PINs on the first base plate 101 and 6 positioning PINs on the second base plate 201, and the distance between each positioning PIN and the multilayer FPC flexible board is 0.03mm.
[0050] The use of multiple positioning pins 5 ensures that the multilayer FPC flexible board is placed in the same position on the first base plate 101 and the second base plate 201 during each test, ensuring the consistency and comparability of the test results. It can also quickly position the multilayer FPC flexible board in the correct position, reducing operation time and complexity. At the same time, it can keep the multilayer FPC flexible board stable on the first base plate 101 and the second base plate 201, reducing the reduction in test accuracy caused by displacement of the multilayer FPC flexible board when the first base plate 101 and the second base plate 201 move or vibrate.
[0051] Furthermore, both the first cover plate 102 and the second cover plate 202 have through holes, and magnetic attracting elements 6 are installed in the through holes. Both the first base plate 101 and the second base plate 201 are made of a material that can attract each other with the magnetic attracting elements 6, such as iron.
[0052] Specifically, when the first cover plate 102 and the second cover plate 202 are respectively placed on the first base plate 101 and the second base plate 201 and press down on the multilayer FPC flexible board, the magnetic suction member 6 provided in the perforation will attract and fix with the first base plate 101 and the second base plate 201 to increase the stability of clamping the multilayer FPC flexible board. This can prevent the first cover plate 102 and the second cover plate 202 from shaking up and down when moving, thereby further preventing the position of the multilayer FPC flexible board from shifting during the detection process.
[0053] Furthermore, protective adhesive strips 7 are provided at the ends of the contact surfaces between the first cover plate 102 and the second cover plate 202 and the multilayer FPC flexible board.
[0054] Specifically, the edge of the protective strip 7 is aligned with the edge of the non-detection portion of the multilayer FPC flexible board near the separation portion. By pressing the protective strip 7, the local stress generated between the edge of the separation detection portion and the non-detection portion can be dispersed when the separation detection portion forms an arch shape, reducing stress concentration and thus reducing damage to the multilayer FPC flexible board caused by bending. At the same time, the protective strip 7 can also prevent the multilayer FPC flexible board from directly contacting the surfaces of the first cover plate 102 and the second cover plate 202 during bending, thus avoiding scratches. The protective strip 7 can be made of silicone material.
[0055] More preferably, a clamping steel is provided at the connection between the separation detection part and the non-detection part of the multilayer FPC flexible board, and the protective rubber strip 7 extends beyond the edge of the clamping steel at the end facing the separation detection part by a distance of 0.1mm.
[0056] Specifically, the protective strip 7 extends beyond the edge of the clamping steel, which can effectively prevent wear and tear on the edge of the clamping steel during the process of forming an arch shape in the separation detection section, providing additional protection and preventing the edge of the clamping steel from cutting or scratching the multi-layer FPC flexible board.
[0057] Furthermore, both the first cover plate 102 and the second cover plate 202 are formed with handles. The handles make it easier for the operator to flip the first cover plate 102 and the second cover plate 202, thus improving operability.
[0058] In an embodiment of this utility model, a material shortage sensor 8 is provided on the side of the first base plate 101 away from the first cover plate 102. A first through hole is provided on the first base plate 101. The material shortage sensor 8 senses the multilayer FPC flexible board through the first through hole. The material shortage sensor 8 is located in the overlapping area of the first cover plate 102 and the multilayer FPC flexible board.
[0059] Specifically, the material shortage sensor 8 is used to detect whether there is a missing multilayer FPC flexible board on the first base plate 101. If the multilayer FPC flexible board is missing, the material shortage sensor 8 will issue an alarm and stop the detection process to prevent invalid detection and waste of time and resources.
[0060] Furthermore, a cover plate sensor 9 is provided on the side of the first base plate 101 away from the first cover plate 102. A second through hole is provided on the first base plate 101. The cover plate sensor 9 senses the first cover plate 102 through the second through hole. The cover plate sensor 9 is located in the area outside the overlap between the first cover plate 102 and the multilayer FPC flexible board after the first cover plate 102 covers the multilayer FPC flexible board.
[0061] The cover sensor 9 is used to detect whether the first cover 102 is properly closed and locked, ensuring that the multilayer FPC flexible board is in a fixed state during the detection process. If the first cover 102 is not properly closed, the cover sensor 9 will issue an alarm to prevent accidents during the detection process, such as the multilayer FPC flexible board falling off or being damaged.
[0062] Similarly, the second base plate 201 can be equipped with a second material shortage sensor 8 and a second cover plate sensor 9, similar to the first base plate 101. Their functions are the same, and will not be described in detail here.
[0063] The material shortage sensor 8 and the cover plate sensor 9 can be linked with the control system. The detection equipment can only be started when the material shortage sensor 8 and the cover plate sensor 9 are normal, thus reducing human error and unexpected situations.
[0064] In an embodiment of this utility model, the multilayer FPC flexible board has an identification code, and a probe hole corresponding to the identification code is opened on the placement base plate. A barcode scanner 10 is installed on the side of the placement base plate away from the cover plate, and the barcode scanner 10's scanning probe is aligned with the identification code through the probe hole.
[0065] Specifically, before the test begins, a barcode scanner 10 is used to scan the identification code on the multilayer FPC flexible board through the probe hole to read the unique identifier of the multilayer FPC flexible board. The read identifier is then associated with the test result. After the test result is obtained, the test result is recorded with the corresponding multilayer FPC flexible board. Finally, the data is stored in the database for centralized management of the test data, which facilitates querying and analysis and helps with quality control and continuous improvement.
[0066] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A flexible printed circuit board (FPC) separation and testing device with a pushing function, characterized in that, Includes a first clamping component, a second clamping component, and a first power module; The first clamping member and the second clamping member are used to clamp the two ends of the multilayer FPC flexible board. The multilayer FPC flexible board has a separation detection part, and the separation detection part is located between the first clamping member and the second clamping member. The first clamping component is connected to the first power module, and the first power module drives the first clamping component to move towards the second clamping component, so that the separation detection part forms an arch shape.
2. The FPC flexible board separation and testing equipment with pushing function according to claim 1, characterized in that, It also includes a second power module for moving the second clamping member toward the first clamping member, so that the first power module and the second power module can respectively drive the first clamping member and the second clamping member to move closer to or further away from each other.
3. The FPC flexible board separation and testing equipment with pushing function according to claim 2, characterized in that, The first clamping component includes a first base plate and a first cover plate that is folded together by a rotating connection structure. The second clamping component includes a second base plate and a second cover plate that is folded and connected to the second base plate via a rotating connection structure.
4. The FPC flexible board separation and testing equipment with pushing function according to claim 3, characterized in that, The rotating connection structure includes a first rotating shaft seat disposed on a first base plate, and a first cover plate having a first rotating handle rotatably connected to the first rotating shaft seat, so that the first cover plate can be flipped and folded on the first base plate; The second cover plate has a second pivot seat set on the second base plate and a second pivot handle rotatably connected to the second pivot seat, so that the second cover plate can be flipped and folded on the second base plate.
5. The FPC flexible board separation and testing equipment with pushing function according to claim 3, characterized in that, The first base plate and the second base plate are each provided with a plurality of positioning pins, and the plurality of positioning pins are arranged around the edge of the FPC flexible board. The first cover plate and the second cover plate are each provided with a plurality of openings corresponding to the positioning pins.
6. The FPC flexible board separation and testing equipment with pushing function according to claim 4, characterized in that, Both the first cover plate and the second cover plate have through holes, and magnetic elements are installed in the through holes. Both the first base plate and the second base plate are made of materials that can attract each other with the magnetic elements.
7. The FPC flexible board separation and testing equipment with pushing function according to claim 4, characterized in that, Protective adhesive strips are provided at the ends of the contact surfaces of the first and second cover plates with the multilayer FPC flexible board.
8. The FPC flexible board separation and testing equipment with pushing function according to claim 4, characterized in that, The first base plate has a material shortage sensor on the side away from the first cover plate. The first base plate has a first through hole. The material shortage sensor senses the multilayer FPC flexible board through the first through hole. The material shortage sensor is located in the overlapping area of the first cover plate and the multilayer FPC flexible board.
9. The FPC flexible board separation and testing equipment with pushing function according to claim 8, characterized in that, The first base plate has a cover plate sensor on the side away from the first cover plate. The first base plate has a second through hole. The cover plate sensor senses the first cover plate through the second through hole. The cover plate sensor is located in the area outside the overlap between the first cover plate and the multilayer FPC flexible board after the first cover plate covers the multilayer FPC flexible board.