Flexible circuit board panel warping degree detection device
By introducing an electric heating plate and a multi-channel temperature tester into the flexible circuit board detection device, combined with the design of the motor and guide column, the problem of inaccurate detection is solved, and the precise detection and failure of the flexible circuit board warpage is achieved. The classification and collection of boards improves detection efficiency and accuracy.
Patent Information
- Application Number
- CN202420980650.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-05-08
AI Technical Summary
The existing flexible circuit board panel warp detection device cannot determine the warp at each position during detection, and the warp detected is not accurate enough because it is necessary to look at the light emitted by the laser lamp in head-on.
A device including a processing box, an L-shaped plate, a support column, a multi-channel temperature tester, a motor, a screw, a nut pair, a mobile seat, a guide column, a bearing plate and an electric heating plate are designed, and the heating is carried out through an electric heating plate. , the motor drives the screw movement, causing the nut pair and the moving seat to move, and drives the bearing plate and the electric heating plate to move up and down, combining linear guide rails and slide blocks, springs and cleaning pads, electric push rods, racks, gears and rotating plates to realize Accurate temperature detection of flexible circuit boards and classification collection of failed boards.
It realizes accurate detection of the warpage of the flexible circuit board, can adjust the temperature according to the needs of different circuit boards, and pour the unqualified plate into the collection box through electric push rods and gears to avoid confusion in the detection data and improve the accuracy of detection. Sex and efficiency.
Smart Images
Figure CN222166091U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flexible circuit boards, in particular to a device for detecting the warpage of a flexible circuit board panel. Background Art
[0002] Flexible circuit boards are made of polyimide or polyester film as a substrate and are highly reliable and extremely flexible printed circuit boards. They have the characteristics of high wiring density, light weight, thin thickness, and good bendability. During the production of flexible circuit board panels, the surface warping needs to be tested to prevent excessive warping from affecting production.
[0003] After searching, the existing Chinese patent announcement number is: CN218380840U, which provides a flexible circuit board panel warpage detection device. This patent facilitates the rapid installation of the flexible circuit board by setting a limit plate and a slot. At the same time, the stepper motor and the reciprocating screw rod facilitate the rapid movement of the threaded sleeve under the action of the slide groove and the slider. At the same time, the electric telescopic rod drives the balance plate to descend to quickly offset different positions of the flexible circuit board. When the balance plate is offset, the rays emitted by the laser lamp and several scale blocks offset each other, so that multi-point detection can be performed quickly. It has a high degree of automation and fast warpage detection efficiency.
[0004] Although the above patent can quickly perform multi-point detection, the above-mentioned flexible circuit board panel warpage detection device still has the following problems: when the balance plate is offset, the rays emitted by the laser lamp and several scale blocks are offset to quickly perform multi-point detection, and the test efficiency is relatively fast, but there is no way to determine the warpage at each position. It is necessary to look straight at the light emitted by the laser lamp, and it cannot be tilted at all, which makes the detected warpage not accurate enough.
[0005] In view of the above problems, a device for detecting warpage of a flexible circuit board panel is proposed. Utility Model Content
[0006] The purpose of the utility model is to provide a device for detecting the warpage of a flexible circuit board panel, which solves the problem in the background technology that the test efficiency is fast, but there is no way to determine the warpage at each position, and the light emitted by the laser lamp needs to be viewed straight, and it cannot be tilted at all, so that the detected warpage is not accurate enough.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible circuit board panel warping detection device, comprising a processing box, an L-shaped plate fixedly connected to the top of the rear end of the processing box, a support column fixedly connected to the bottom of the L-shaped plate, a multi-channel temperature tester fixedly connected to the bottom of the support column, a motor fixedly connected to the inner wall of the bottom of the processing box, a screw rod fixedly connected to the output end of the motor, a nut pair threadedly connected to the outer ring of the top of the screw rod, a moving seat fixedly connected to the top of the nut pair, guide columns passing through and slidably connected to the left and right sides of the moving seat, and the guide columns are fixedly connected to the processing box, connecting columns are fixedly connected to the left and right sides of the top of the moving seat, a bearing plate is fixedly connected to the top of the connecting column, an electric heating plate is fixedly connected to the top of the bearing plate, and a processing component is arranged on the left side of the processing box.
[0008] By adopting the above technical solution, heating is performed through the electric heating plate, and the lead screw is driven by the motor to move, so that the nut pair and the movable seat move, driving the top bearing plate and the electric heating plate to move according to the needs of different flexible circuit boards.
[0009] As a further description of the above technical solution: the processing component includes a fixed plate, which is fixedly connected to the inner wall of the left front end of the processing box, an electric push rod is fixedly connected to the bottom of the fixed plate, and a rack is fixedly connected to the output end of the electric push rod, and a second slide groove is opened on the inner wall of the left front end of the processing box.
[0010] By adopting the above technical solution, the rack can move up and down through the second sliding groove.
[0011] As a further description of the above technical solution: a linear guide is fixedly connected to the inner wall of the rear end of the processing box, a sliding block is slidably connected to the outer wall of the linear guide, and a moving plate is fixedly connected to the front end of the sliding block.
[0012] By adopting the above technical solution, the linear guide rail and the sliding block drive the movable plate to move left and right, and the limit blocks on the left and right sides of the linear guide rail limit the sliding block.
[0013] As a further description of the above technical solution: a first slide groove is opened at the right bottom of the processing box, a first slider is slidably connected to the inner wall of the first slide groove, and a collection box is fixedly connected between the first sliders.
[0014] By adopting the above technical solution, unqualified flexible circuit boards are collected through a collection box.
[0015] As a further description of the above technical solution: evenly distributed springs are fixedly connected to the bottom of the movable plate, and a cleaning pad is fixedly connected to the bottom of the springs.
[0016] By adopting the above technical solution, the surface of the rotating plate is cleaned by the spring and the cleaning pad to avoid detection affecting the data.
[0017] As a further description of the above technical solution: a second sliding block is slidably connected to the inner wall of the second sliding groove, and the second sliding block is fixedly connected to the rack.
[0018] By adopting the above technical solution, the rack is moved up and down by the second sliding block.
[0019] As a further description of the above technical solution: a fixing sleeve is fixedly connected to the inner walls of the front and rear ends of the left side of the processing box, and a rotating shaft is rotatably connected to the inner wall of the fixing sleeve.
[0020] By adopting the above technical solution, the rotating shaft is rotated through the fixing sleeve.
[0021] As a further description of the above technical solution: the outer ring at the front end of the rotating shaft is fixedly connected with a gear, and the gear is meshingly connected with the rack, and the outer wall on the right side of the rotating shaft is fixedly connected with a rotating plate.
[0022] By adopting the above technical solution, the rack moves up and down, driving the gear to rotate, so that the rotating plate rotates, and the unqualified circuit boards are poured into the collection box.
[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0024] 1. The utility model provides a flexible circuit board panel warpage detection device. First, a motor drives the lead screw to rotate, so that the nut pair and the movable seat move. The guide column guides the movable seat, so that the connecting column moves upward, and the bearing plate and the electric heating plate move upward to heat the flexible circuit board. Different flexible circuit boards require different temperatures, and the device moves up and down to ensure the accuracy of the detection.
[0025] 2. The utility model provides a flexible circuit board panel warpage detection device, which drives the moving plate to move through a linear guide rail and a sliding block, cleans the rotating plate through a spring and a cleaning pad, and can also clean the flexible circuit boards that have passed the inspection. Through an electric push rod, rack, gear, rotating shaft and rotating plate, the unqualified flexible circuit boards are poured into a collection box, and the qualified and unqualified ones are classified to avoid confusion. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0027] Figure 2 It is a structural schematic diagram of the first chute of the utility model;
[0028] Figure 3It is a schematic cross-sectional structure diagram of the processing box of the utility model;
[0029] Figure 4 It is a structural schematic diagram of the spring of the utility model.
[0030] In the figure: 1. processing box; 2. L-shaped plate; 3. support column; 4. multi-channel temperature tester; 5. first slide; 6. first slider; 7. collection box; 8. second slide; 9. second slider; 10. electric push rod; 11. fixed plate; 12. gear; 13. rotating shaft; 14. fixed sleeve; 15. rotating plate; 16. motor; 17. screw rod; 18. guide column; 19. nut pair; 20. moving seat; 21. connecting column; 22. bearing plate; 23. electric heating plate; 24. sliding block; 25. moving plate; 26. spring; 27. cleaning pad; 28. linear guide; 29. rack. DETAILED DESCRIPTION
[0031] The following will refer to the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.
[0033] Reference Figure 1 The utility model discloses a device for detecting warpage of a flexible circuit board panel, comprising a processing box 1, a top rear end of the processing box 1 is fixedly connected to an L-shaped plate 2, and a bottom of the L-shaped plate 2 is fixedly connected to a support column 3.
[0034] Reference Figure 3The bottom of the support column 3 is fixedly connected with a multi-channel temperature tester 4. The multi-channel temperature tester 4 is an instrument that can measure the temperature of multiple positions at the same time. The working principle of the multi-channel temperature tester 4 is to use a temperature sensor to detect the temperature of an object, convert the signal collected by the sensor into an electrical signal and transmit it to a reader, and then the reader processes these signals, calculates the temperature value of each position, and finally displays it on the display screen of the instrument. It usually includes multiple temperature sensors and a reader, and can display the temperature of multiple positions in real time. The inner wall of the bottom of the processing box 1 is fixedly connected with a motor 16, and the output end of the motor 16 is fixedly connected with a screw rod 17. The outer ring of the top of the screw rod 17 is threadedly connected with a nut pair 19, and the top of the nut pair 19 is fixedly connected with a moving seat 20. The left and right sides of the moving seat 20 are penetrated inside It is slidably connected with a guide column 18, and the guide column 18 is fixedly connected to the processing box 1, and the left and right sides of the top of the movable seat 20 are fixedly connected with connecting columns 21, and the top of the connecting column 21 is fixedly connected with a bearing plate 22, and the top of the bearing plate 22 is fixedly connected with an electric heating plate 23. The electric heating wire in the electric heating plate 23 is used to heat the outer wall, and the motor 16 is used to rotate the screw rod 17, and the screw rod 17 is rotated to drive the nut pair 19 to move, and the nut pair 19 and the movable seat 20 are moved. The movable seat 20 is guided by the guide column 18, so that the connecting column 21 on the top of the movable seat 20 moves upward, and the bearing plate 22 and the electric heating plate 23 are moved upward to heat the flexible circuit board. The temperature with and without warping is different.
[0035] Reference Figure 2 - Figure 4, a processing component is arranged on the left side of the processing box 1, and the processing component includes a fixed plate 11, the fixed plate 11 is fixedly connected to the inner wall of the left front end of the processing box 1, an electric push rod 10 is fixedly connected to the bottom of the fixed plate 11, and a rack 29 is fixedly connected to the output end of the electric push rod 10, a second slide groove 8 is provided on the inner wall of the left front end of the processing box 1, a linear guide rail 28 is fixedly connected to the inner wall of the rear end of the processing box 1, and a sliding block 24 is slidably connected to the outer wall of the linear guide rail 28, and a moving plate 25 is fixedly connected to the front end of the sliding block 24. When it is necessary to clean the rotating plate 15, the moving plate 25 is moved by the linear guide rail 28 and the sliding block 24, and the rotating plate 15 is cleaned by the spring 26 and the cleaning pad 27, and the qualified flexible circuit board can also be cleaned. A first slide groove 5 is provided on the bottom of the right side of the processing box 1, and a first slider 6 is slidably connected to the inner wall of the first slide groove 5. A collecting box 7 is fixedly connected between the first sliders 6, and the collecting box 7 is pulled out by the handle. The block 6 slides on the inner wall of the first slide groove 5 to draw out the collection box 7, and the unqualified flexible circuit boards are collected through the collection box 7. The bottom of the movable plate 25 is fixedly connected with a uniformly distributed spring 26, and the bottom of the spring 26 is fixedly connected with a cleaning pad 27. The inner wall of the second slide groove 8 is slidably connected with a second slider 9, and the second slider 9 is fixedly connected with a rack 29. The inner walls of the front and rear ends of the left side of the processing box 1 are fixedly connected with a fixed sleeve 14, and the inner wall of the fixed sleeve 14 is rotatably connected with a rotating shaft 13. The outer ring of the front end of the rotating shaft 13 is fixedly connected with a gear 12, and the gear 12 is meshed with the rack 29. The outer wall of the right side of the rotating shaft 13 is fixedly connected with a rotating plate 15 to detect the flexible circuit board. When the detection is unqualified, the rack 29 is pushed to move by the electric push rod 10, and the rack 29 is meshed with the gear 12, so that the gear 12 and the rotating shaft 13 are rotated, and the rotating plate 15 is driven to rotate by the rotation of the rotating shaft 13 to pour the unqualified flexible circuit boards into the collection box 7.
[0036] Working principle: The electric heating wire in the electric heating plate 23 is heated to make the outer wall have temperature, and the motor 16 rotates to drive the screw rod 17 to rotate, and the screw rod 17 rotates to drive the nut pair 19 to move, and the nut pair 19 and the moving seat 20 move, and the moving seat 20 is guided by the guide column 18, so that the connecting column 21 on the top of the moving seat 20 moves upward, and the bearing plate 22 and the electric heating plate 23 are moved upward, and the lifting is carried out according to different circuit boards, and the moving plate 25 is moved by the linear guide rail 28 and the sliding block 24, and the rotating plate 15 is cleaned by the spring 26 and the cleaning pad 27. Put the circuit board on the upper end of the rotating plate 15, and use the multi-channel temperature tester 4 to measure the temperature of the flexible circuit board. The temperature with warping and without warping is different. Calculate the warping degree. When it is detected as unqualified, push the rack 29 to move through the electric push rod 10, and the rack 29 is engaged with the gear 12, so that the gear 12 and the rotating shaft 13 rotate. The rotating plate 15 is driven to rotate by the rotation of the rotating shaft 13, and the unqualified flexible circuit boards are poured into the collection box 7. The collection box 7 is pulled out by the handle, and the first slider 6 slides on the inner wall of the first slide groove 5 to pull out the collection box 7. The unqualified flexible circuit boards are collected through the collection box 7.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A device for detecting the warpage of a flexible circuit board panel, comprising a processing box (1), characterized in that: The top of the rear end of the processing box (1) is fixedly connected to an L-shaped plate (2), the bottom of the L-shaped plate (2) is fixedly connected to a support column (3), the bottom of the support column (3) is fixedly connected to a multi-channel temperature tester (4), the inner wall of the bottom of the processing box (1) is fixedly connected to a motor (16), the output end of the motor (16) is fixedly connected to a screw rod (17), the top outer ring of the screw rod (17) is threadedly connected to a nut pair (19), the top of the nut pair (19) is fixedly connected to a moving seat (20), the left and right sides of the moving seat (20) are penetrated and slidably connected with guide columns (18), and the guide columns (18) are fixedly connected to the processing box (1), the left and right sides of the top of the moving seat (20) are fixedly connected to connecting columns (21), the top of the connecting column (21) is fixedly connected to a bearing plate (22), the top of the bearing plate (22) is fixedly connected to an electric heating plate (23), and a processing component is arranged on the left side of the processing box (1).
2. A flexible circuit board panel warpage detection device according to claim 1, characterized in that: The processing assembly comprises a fixed plate (11), the fixed plate (11) is fixedly connected to the inner wall of the front end of the left side of the processing box (1), an electric push rod (10) is fixedly connected to the bottom of the fixed plate (11), a rack (29) is fixedly connected to the output end of the electric push rod (10), and a second slide groove (8) is opened on the inner wall of the front end of the left side of the processing box (1).
3. The device for detecting warpage of a flexible circuit board panel according to claim 1, characterized in that: The inner wall at the rear end of the processing box (1) is fixedly connected to a linear guide rail (28), the outer wall of the linear guide rail (28) is slidably connected to a sliding block (24), and the front end of the sliding block (24) is fixedly connected to a moving plate (25).
4. The device for detecting warpage of a flexible circuit board panel according to claim 1, characterized in that: The processing box (1) is provided with a first slide groove (5) at the bottom of the right side, the inner wall of the first slide groove (5) is slidably connected to a first slider (6), and a collection box (7) is fixedly connected between the first sliders (6).
5. The device for detecting warpage of a flexible circuit board panel according to claim 3, characterized in that: The bottom of the movable plate (25) is fixedly connected to a uniformly distributed spring (26), and the bottom of the spring (26) is fixedly connected to a cleaning pad (27).
6. The device for detecting warpage of a flexible circuit board panel according to claim 2, characterized in that: A second sliding block (9) is slidably connected to the inner wall of the second sliding groove (8), and the second sliding block (9) is fixedly connected to the rack (29).
7. The device for detecting warpage of a flexible circuit board panel according to claim 1, characterized in that: A fixing sleeve (14) is fixedly connected to the inner walls of the front and rear ends of the left side of the processing box (1), and a rotating shaft (13) is rotatably connected to the inner wall of the fixing sleeve (14).
8. The device for detecting warpage of a flexible circuit board panel according to claim 7, characterized in that: The front end outer ring of the rotating shaft (13) is fixedly connected with a gear (12), and the gear (12) is meshingly connected with a rack (29), and the right side outer wall of the rotating shaft (13) is fixedly connected with a rotating plate (15).