A detection device for flexible circuit board production

Abstract

The present invention relates to the field of circuit board detection, and in particular to a detection device for the production of flexible circuit boards, including a detection body, a detection table, a controller, an optical detection instrument, a conveying mechanism, a fixing component, a flipping component, etc. A conveying mechanism for conveying the flexible circuit board to be detected is arranged between the detection tables, a fixing component for clamping and fixing the flexible circuit board is arranged on the conveying mechanism, and a flipping component for flipping the fixing component is arranged on the detection table. The present invention enables the fixing component to be suspended in the air through the guide rails on both sides, providing conditions for flipping the flexible circuit board, and then through the opening and closing component, the squeezing effect of the squeezing roller and the clamping cooperation of the limit block are utilized, and the torsion effect of the first torsion spring is used to realize the automatic opening and closing of the fixing component, so that the lower clamping plate and the upper clamping plate clamp the flexible circuit board, reducing the labor intensity of the staff.

Description

Technical Field

[0001] The present invention relates to the field of circuit board detection, and in particular to a detection device for producing flexible circuit boards. Background Art

[0002] In the modern electronics industry, flexible circuit boards are a highly flexible, lightweight and durable electronic connection component that is widely used in smart phones, tablets, wearable devices, medical instruments, automotive electronics and other fields. These devices place extremely high demands on the integration, flexibility and durability of circuits, making flexible circuit boards an indispensable core component. In order to ensure product quality and meet increasingly stringent market demands, it is particularly important to conduct accurate and efficient testing of the production process of flexible circuit boards.

[0003] At present, advanced optical inspection equipment is generally used as the core technical means for the inspection of flexible circuit boards. These devices use high-resolution cameras or laser scanning systems, combined with sophisticated image processing algorithms, to non-contactly detect tiny defects in circuit boards, such as circuit breaks, short circuits, foreign matter residues, dimensional deviations, etc., thereby achieving comprehensive control of product quality. The principle of optical inspection is based on the reflection, scattering or transmission characteristics of light on the surface of an object. By capturing and analyzing the changes in these light signals, abnormal conditions on the circuit board can be accurately identified.

[0004] However, in the existing flexible circuit board inspection process, there is still a significant contradiction between efficiency and manual operation costs. Specifically, the traditional inspection process often requires staff to manually place the flexible circuit boards to be inspected one by one on a special fixture, and send them into the optical inspection equipment through a conveyor belt for preliminary inspection. After completing the inspection on one side, the circuit board needs to be removed from the conveyor belt by the staff, manually turned over, and then re-placed and sent to the equipment for inspection on the other side. This process is acceptable for a single or a small number of flexible circuit boards, but in the face of large-scale, batch production scenarios, frequent manual turning operations not only increase the labor intensity of the staff, but also significantly extend the overall inspection cycle and reduce production efficiency. In addition, manual operations may also introduce human errors, such as missed turning, which affects the accuracy and consistency of the inspection results. Summary of the invention

[0005] In order to overcome the shortcomings of the above optical inspection process, such as the cumbersome manual turning over of the circuit board, low inspection efficiency and the easy influence of human error on the inspection result, the present invention provides an automatic turning over inspection device for flexible circuit board production.

[0006] A detection device for the production of flexible circuit boards, including a detection body, a detection table, a controller, and an optical detection instrument. The detection body is provided with a detection table, the optical detection instrument is installed in the detection body, the side of the detection body is connected with a controller for controlling various devices and electrical components installed on the detection body, and also includes a conveying mechanism, a fixing component and a flipping component. A conveying mechanism for conveying a flexible circuit board to be detected is provided between the detection tables, a fixing component for clamping and fixing the flexible circuit board is provided on the conveying mechanism, a flipping component for flipping the fixing component is provided on the detection table, and the fixing component includes a lower clamping plate , an upper clamping plate, a first torsion spring and a connecting block, a lower clamping plate is connected between the two connecting blocks, the rear end of the lower clamping plate is rotatably connected to the upper clamping plate, and a first torsion spring is arranged at the connection between the upper clamping plate and the lower clamping plate, one end of the first torsion spring is connected to the lower clamping plate, and the other end is connected to the upper clamping plate, and also includes an opening and closing component for opening and closing the upper clamping plate, the opening and closing component includes a support frame, an extrusion roller, an unlocking block and a locking mechanism, the support frame is connected to the conveying mechanism, a plurality of extrusion rollers are rotatably connected between the two support frames, and the heights of the extrusion rollers are inconsistent, an unlocking block is connected to the front end of the conveying mechanism, and a locking mechanism for locking the upper clamping plate is arranged on the fixed component.

[0007] Furthermore, the conveying mechanism includes guide rails, a motor, a pulley group, a conveying screw and a conveying block. The guide rails are connected to the left and right sides of the detection table, the top of the guide rails is connected to a support frame, the conveying screw is rotatably connected inside the guide rails, the conveying screw is threadedly connected to the conveying block, the conveying block is slidably connected to the guide rails, and a motor is installed on the rear side of the detection body. The motor is connected to the rear end of one of the conveying screws through a transmission connection, and the two conveying screws are connected through a pulley group.

[0008] Furthermore, the fixing assembly also includes a hemispherical block and a first elastic member. The connecting block is rotatably connected to the opposite side of the two conveying blocks. The conveying block is provided with an alignment groove on the side in contact with the connecting block. The connecting block is provided with two symmetrical circular grooves, in which the hemispherical block is slidably connected. The first elastic member is arranged in the circular groove, and one end of the first elastic member is connected to the connecting block, and the other end is connected to the hemispherical block.

[0009] Furthermore, the flip assembly includes a ratchet, a fixed plate, ratchets and a second torsion spring. A ratchet is sleeved on the connecting block. A plurality of fixed plates are fixedly connected to the opposite side of the two guide rails. The fixed plates are respectively located at the upper and lower ends of the guide rails. A plurality of ratchets are hinged on the fixed plates. A second torsion spring is sleeved on both ends of the ratchet. One end of the second torsion spring is connected to the ratchet, and the other end is connected to the fixed plate. The number of ratchets connected to each fixed plate is half the number of ratchet teeth. The ratchets can only rotate in one direction. When the moving direction of the ratchet is opposite to the preset rotation direction of the ratchet, the ratchet cannot rotate because it is resisted by the fixed plate. At this time, the ratchet must rotate to pass through the ratchet.

[0010] Furthermore, the locking mechanism includes a limit block, a limit piece and a second elastic piece. An unlocking block is connected to the opposite side of the front ends of the two guide rails. A square groove is provided at the front end of the lower clamping plate. The limit piece is slidably connected to the square groove. A second elastic piece is arranged in the square groove. One end of the second elastic piece is connected to the lower clamping plate, and the other end is connected to the limit piece. The limit blocks are connected to both sides of the upper clamping plate. A barb is designed at the lower end of the limit block, and the bottom of the barb is an inclined surface. The limit piece is snap-fitted with the barb of the limit block, and the outer end of the limit piece is extruded and fit with the unlocking block.

[0011] Furthermore, it also includes a material changing rack, an electric slide rail and an electric control suction cup. The material changing rack is connected to the detection table, and the electric slide rail is installed in the material changing rack. The electric control suction cup is slidably connected to the electric slide rail. The electric slide rail and the electric control suction cup are both wired to the controller, and the electric control suction cup is used to adsorb the flexible circuit board.

[0012] Furthermore, it also includes a protective cover, which is connected to the rear side of the detection body and is used to cover the motor.

[0013] Furthermore, it also includes a buffer ring. A plurality of buffer rings are sleeved on the extrusion roller and are made of rubber.

[0014] Furthermore, it also includes a process display, which is installed on the top of the detection body to display the processing progress.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. The present invention enables the fixing assembly to be suspended in the air through the guide rails on both sides, providing conditions for the flipping of the flexible circuit board. Then, through the opening and closing assembly, the squeezing effect of the squeezing roller and the clamping cooperation of the limit block are utilized, and the torsion effect of the first torsion spring is used to realize the automatic opening and closing of the fixing assembly, so that the lower clamping plate and the upper clamping plate clamp the flexible circuit board, thereby reducing the labor intensity of the staff and ensuring the safety of the flexible circuit board during the flipping process, thereby ultimately achieving the purpose of improving the convenience and safety of operation. Finally, through the cooperation of the ratchet and the ratchet teeth, the flexible circuit board is flipped twice during the reciprocating movement of the flexible circuit board, realizing automatic flipping, achieving the purpose of double-sided detection, and improving the detection efficiency.

[0017] 2. Through the cooperation of the material changing rack, electric slide rail and electric control suction cup, automatic material loading and unloading before and after detection is realized, which reduces manual participation, improves the degree of automation, reduces the detection error caused by human operation errors, and speeds up the detection speed, ultimately achieving the purpose of improving detection efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2It is a three-dimensional structural cross-sectional view of the present invention.

[0020] Figure 3 It is a schematic diagram of the connection structure of the conveying mechanism and the fixing assembly of the present invention.

[0021] Figure 4 The figure is a schematic diagram of the connection structure of the motor, the pulley assembly and the conveying screw rod of the present invention.

[0022] Figure 5 It is a partial structural cross-sectional view of the conveying mechanism and the fixing assembly of the present invention.

[0023] Figure 6 It is a schematic diagram of the connection structure of the flip assembly of the present invention.

[0024] Figure 7 It is a schematic diagram of the specific structure of the ratchet wheel and the lower ratchet teeth of the present invention.

[0025] Figure 8 It is a schematic diagram of the connection structure of the opening and closing assembly of the present invention.

[0026] Fig. 9 It is a partial structural cross-sectional view of the opening and closing assembly of the present invention.

[0027] Fig.10 It is a three-dimensional structural schematic diagram of the limiting block and the limiting member of the present invention.

[0028] Fig.11 It is a schematic diagram of the specific structure of the material changing rack, electric slide rail and electric control suction cup of the present invention.

[0029] Fig.12 It is a schematic diagram of the connection structure of the protective cover and the process display of the present invention.

[0030] The meanings of the reference numerals in the figure are as follows: 1: detection body, 2: detection table, 3: controller, 4: optical detection instrument, 5: conveying mechanism, 51: guide rail, 52: motor, 53: pulley group, 54: conveying screw rod, 55: conveying block, 551: alignment groove, 56: protective cover, 6: fixing component, 61: lower clamping plate, 611: square groove, 62: upper clamping plate, 63: first torsion spring, 64: connecting block, 641 : circular groove, 65: hemispherical block, 66: first elastic member, 7: flip assembly, 71: ratchet, 72: fixed plate, 73: ratchet, 74: second torsion spring, 8: opening and closing assembly, 81: support frame, 82: squeezing roller, 83: unlocking block, 84: limit block, 85: limit member, 86: second elastic member, 87: buffer ring, 9: material changing rack, 91: electric slide rail, 92: electric control suction cup, 10: process display. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Embodiment: A detection device for flexible circuit board production, such as Figure 1 and Figure 2 As shown, it includes a detection body 1, a detection table 2, a controller 3, and an optical detection instrument 4. The detection table 2 is arranged on the detection body 1, and the optical detection instrument 4 is installed in the detection body 1. The optical detection instrument 4 is mainly based on image processing and optical imaging technology, and realizes comprehensive detection of the quality of the flexible circuit board through a series of precise operation steps. The side of the detection body 1 is connected with the controller 3, which is used to control various equipment and electrical components installed on the detection body 1. It also includes a conveying mechanism 5, a fixing component 6 and a flipping component 7. A conveying mechanism 5 for conveying the flexible circuit board to be detected is arranged between the detection tables 2, and a fixing component 6 for clamping and fixing the flexible circuit board is arranged on the conveying mechanism 5. A flipping component 7 for flipping the fixing component 6 is arranged on the detection table 2.

[0033] like Figure 2-Figure 5 As shown, the conveying mechanism 5 includes a guide rail 51, a motor 52, a pulley group 53, a conveying screw 54 and a conveying block 55. The left and right sides of the detection table 2 are connected with the guide rails 51, and the conveying screw 54 is rotatably connected in the guide rails 51. The conveying screw 54 is threadedly connected with the conveying block 55, and the conveying block 55 is slidably connected to the guide rail 51. The motor 52 is installed on the rear side of the detection body 1. The motor 52 is connected to the rear end of one of the conveying screws 54 for transmission. The two conveying screws 54 are connected through the pulley group 53. The pulley group 53 consists of two pulleys and a belt. The two pulleys are respectively connected to the rear ends of the conveying screw 54. The belt is wound around the two pulleys, and the thread directions of the two conveying screws 54 are the same.

[0034] like Figure 3 and Figure 5As shown, the fixing assembly 6 includes a lower clamping plate 61, an upper clamping plate 62, a first torsion spring 63, a connecting block 64, a hemispherical block 65 and a first elastic member 66. The connecting block 64 is rotatably connected to the opposite side of the two conveying blocks 55. The lower clamping plate 61 is connected between the two connecting blocks 64. The upper clamping plate 62 is hinged at the rear end of the lower clamping plate 61. The first torsion spring 63 is sleeved on the hinge axis of the lower clamping plate 61 and the upper clamping plate 62. One end of the first torsion spring 63 is connected to the lower clamping plate 61, and the other end is connected to the upper clamping plate 62. Two alignment grooves 551 and a circular groove 641 are respectively provided on the opposite sides of the conveying block 55 and the connecting block 64. The hemispherical block 65 is slidably connected in the circular groove 641. A first elastic member 66 is provided in 41, one end of the first elastic member 66 is connected to the connecting block 64, and the other end is connected to the hemispherical block 65, the hemispherical block 65 cooperates with the alignment groove 551, the middle part of the lower clamping plate 61 and the upper clamping plate 62 is transparent, and highly transparent glass, quartz or transparent plastic is used. When testing small flexible circuit boards, in order to prevent warping, multiple small flexible circuit boards are usually simply connected together using tape that does not damage them, so as to move and clamp them as a whole. Such a design makes it more convenient to put in and clamp the flexible circuit board. If a single flexible circuit board is tested, it is also convenient to put in and take out the flexible circuit board when the lower clamping plate 61 and the upper clamping plate 62 clamp it.

[0035] like Figure 6 and Figure 7 When the cam 72 is in the unlock state, the cam 72 is in the unlock state, and the locking cam 72 is in the unlock state. Figure 7 The fixing plate 72 and the ratchet 73 below are shown in FIG. Figure 7 , the ratchet 71 moves to the right, and the rear end of the ratchet tooth 73 is held by the fixed plate 72 and cannot rotate to the right, so that the ratchet 71 can only rotate when passing.

[0036] The staff turns on the detection device, and then performs a basic inspection of the detection device through the controller 3, and turns on the optical detection instrument 4, and then clamps the flexible circuit board to be detected through the fixing component 6, and turns on the motor 52, the motor 52 drives the connected conveying screw 54 to rotate, and drives another conveying screw 54 through the pulley group 53, so that the two conveying screws 54 rotate synchronously, and the conveying screw 54 pushes the conveying block 55 to move through the threaded cooperation, thereby moving the fixing component 6, when the fixing component 6 passes through the flipping component 7, if the moving direction of the ratchet 71 is opposite to the rotating direction of the ratchet 73, the fixing component 6 is flipped over, if the same, the ratchet 73 is squeezed to rotate the ratchet 73, and the fixing component 6 is translated through, and as the conveying screw 5 4 rotates, when the fixed component 6 passes under the optical detection instrument 4, the optical detection instrument 4 detects the front side of the flexible circuit board in the fixed component 6, sends the detection result to the controller 3, and then continues to move backward. After the flip is completed, the rotation direction of the motor 52 is changed, so that the conveying screw 54 pushes the fixed component 6 to move forward. When it passes under the optical detection instrument 4 again, the optical detection instrument 4 detects the back side of the flexible circuit board. After the detection is completed, the fixed component 6 is turned over again and restored to the initial state. The staff opens the fixed component 6, takes out the tested flexible circuit board, and selects unqualified products according to the detection result displayed by the controller 3, and then puts the flexible circuit board to be tested, and repeats the detection process;

[0037] When the fixed component 6 moves backward and passes through the flipping component 7, its flipping principle is as follows: the ratchet 71 first contacts the upper ratchet 73. Since the hemispherical block 65 is inserted into the alignment groove 551 of the conveying block 55, the connecting block 64 cannot rotate easily, thereby pushing the ratchet 73 connected to the upper fixed plate 72 to rotate, twisting the second torsion spring 74. After the fixed component 6 and the ratchet 71 pass, the second torsion spring 74 rotates and resets the ratchet 73 in turn. The fixed component 6 passes through the optical detection instrument 4 for the first time, and the flexible circuit board completes the front detection. Then the ratchet 71 engages with the ratchet 73 connected to the lower fixed plate 72. Since the lower ratchet 73 cannot rotate backward, the ratchet 71 must rotate when passing, thereby driving the fixed component 6 rotates to turn over the flexible circuit board. Since the number of ratchet teeth 73 connected to each fixing plate 72 is half the number of teeth of the ratchet wheel 71, the ratchet wheel 71 rotates 180 degrees after passing through the fixing plate 72. In addition, during the rotation of the connecting block 64, the conveying block 55 squeezes the hemispherical block 65 and compresses the first elastic member 66, so that the hemispherical block 65 slides in the circular groove 641. After rotating 180 degrees, the hemispherical block 65 is pushed by the rebound force of the first elastic member 66 and reinserted into the alignment groove 551 of the conveying block 55. If there is a slight matching gap between the ratchet wheel 71 and the ratchet teeth 73, the hemispherical block 65 can cooperate with the alignment groove 551 to achieve the purpose of accurate rotation of 180 degrees, thereby ensuring that the flexible circuit board is turned over 180 degrees.

[0038] The fixing assembly 6 moves forward and passes through the flipping assembly 7. The flipping principle is as follows: the ratchet 71 immediately contacts the ratchet 73 connected to the lower fixing plate 72. The ratchet 73 rotates forward under the pressure of the ratchet 71, twisting the connected second torsion spring 74. After the ratchet 71 passes, the ratchet 73 is reset under the action of the connected second torsion spring 74, and then passes through the optical detection instrument 4 to complete the detection of the back side of the flexible circuit board. The fixing assembly 6 continues to move forward and passes through the ratchet 73 connected to the upper fixing plate 72. Since the ratchet 73 cannot rotate forward, the ratchet 71 meshes with the ratchet 73 when the ratchet 71 passes. The ratchet 71 must rotate through, thereby driving the fixing assembly 6 to rotate. After completing a 180-degree rotation again, the fixing assembly 6 is reset, and the double-sided detection of the flexible circuit board is also completed.

[0039] like Figure 8 , Fig. 9 and Fig.10As shown, it also includes an opening and closing assembly 8, which is composed of a support frame 81, a squeezing roller 82, an unlocking block 83, a limiting block 84, a limiting member 85 and a second elastic member 86. The support frame 81 is connected to the top of the guide rail 51, and three squeezing rollers 82 are rotatably connected between the two support frames 81, and the heights of the squeezing rollers 82 are inconsistent. The unlocking block 83 is connected to the opposite side of the front ends of the two guide rails 51, and a square groove 611 is opened at the front end of the lower clamping plate 61. The limiting member 85 slides It is connected to the square groove 611, and a second elastic member 86 is arranged in the square groove 611. One end of the second elastic member 86 is connected to the lower clamping plate 61, and the other end is connected to the limit member 85. The upper clamping plate 62 is connected to the limit blocks 84 on both sides. The lower end of the limit block 84 is designed with a hook, and the bottom of the hook is an inclined surface. The limit member 85 is snap-fitted with the hook of the limit block 84, and the outer end of the limit member 85 is extruded and fitted with the unlocking block 83, and an inclined surface is set at the extrusion between the unlocking block 83 and the outer end of the limit member 85.

[0040] When the lower clamping plate 61 is at the most forward position, the upper clamping plate 62 is in an open state, and the upper clamping plate 62 is perpendicular to the lower clamping plate 61. After the staff places the flexible circuit board on the lower clamping plate 61, they directly control the motor 52 to rotate, so that the fixing assembly 6 moves backward. The upper clamping plate 62 contacts the squeezing roller 82 during the backward movement, thereby squeezing the upper clamping plate 62 to flip downward. The squeezing roller 82 at the front end is higher, and the resistance to the movement of the fixing assembly 6 is smaller. The squeezing roller 82 at the upper end fails to make the lower clamping plate 61 and the upper clamping plate 61 The clamping plate 62 is completely fitted, and then gradually passes through the lower squeezing roller 82, the first torsion spring 63 is gradually twisted, and finally the lower clamping plate 61 and the upper clamping plate 62 are completely fitted. When the lower clamping plate 61 and the upper clamping plate 62 are about to fit together, the limit blocks 84 on both sides of the upper clamping plate 62 squeeze the limit members 85, and the limit members 85 slide inward along the square groove 611 of the lower clamping plate 61 and squeeze the second elastic member 86. When the barb at the bottom of the limit block 84 passes through the limit member 85, the second elastic member 86 rebounds, pushing the limit member 8 5 moves outward, at this time, the upper clamping plate 62 is separated from all the squeezing rollers 82, but the limit block 84 and the limit member 85 are engaged, so that the upper clamping plate 62 cannot rotate upward, and the torsion of the first torsion spring 63 makes the limit block 84 and the limit member 85 fit more closely, so as to further ensure the safety of the flexible circuit board during the flipping process, and the cooperation between the hemispherical block 65 and the alignment groove 551 prevents the squeezing roller 82 from squeezing the upper clamping plate 62 and driving the lower clamping plate 61 to rotate together, so as to ensure that the lower clamping plate 61 and the upper clamping plate 62 cooperate to rotate. The flexible circuit board is stably clamped, and after the inspection is completed, the fixing component 6 moves forward with the limit member 85. When the limit member 85 contacts the inclined surface of the unlocking block 83, the limit member 85 is gradually squeezed, and the second elastic member 86 is compressed, and the limit member 85 and the limit block 84 are gradually separated. When the limit member 85 and the limit block 84 are completely separated, the upper clamping plate 62 flips upward under the torsional force of the first torsion spring 63, and the staff takes out the flexible circuit board, so there is no need for the staff to open and close the upper clamping plate 62, which reduces the staff's workload.

[0041] like Figure 1 and Fig.11 As shown, it also includes a material changing rack 9, an electric slide rail 91 and an electric control suction cup 92. The testing table 2 is connected to the material changing rack 9, and the electric slide rail 91 is installed in the material changing rack 9. The electric control suction cup 92 is slidably connected to the electric slide rail 91. The electric slide rail 91 and the electric control suction cup 92 are both connected to the controller 3 by wire. The electric slide rail 91 is used to drive the electric control suction cup 92 to move, and the electric control suction cup 92 is used to adsorb the flexible circuit board.

[0042] The flexible circuit board to be tested is placed on the left side of the testing table 2, and the tested flexible circuit board is placed on the right side. The flexible circuit board is sucked by the electric suction cup 92 and moved with the electric slide rail 91 to complete the process of picking up and putting down materials, thereby realizing automatic testing. The staff only needs to take out the flexible circuit board that has not passed the test according to the display results of the controller 3, which further reduces the work intensity of the staff.

[0043] like Figure 6 and Fig.12 As shown, a protective cover 56 is also included. The rear side of the detection body 1 is connected to the protective cover 56, which is used to cover the motor 52, and ventilation holes are opened on the protective cover 56. The protective cover 56 not only effectively prevents the staff from directly contacting the motor 52, but also ensures good heat dissipation of the motor through the ventilation holes thereon.

[0044] When the staff is moving, the protective cover 56 can isolate the staff from direct contact with the motor 52, thereby avoiding burns. At the same time, ventilation holes are provided on the protective cover 56 to ensure effective heat dissipation of the motor 52 during operation.

[0045] like Figure 8 As shown, it also includes a buffer ring 87. A plurality of buffer rings 87 are sleeved on the squeezing roller 82. The buffer ring 87 is made of rubber and can buffer the squeezing between the squeezing roller 82 and the upper clamping plate 62 to protect the squeezing roller 82 and the upper clamping plate 62.

[0046] The buffer ring 87 on the squeezing roller 82 is made of rubber and can buffer the collision when the upper clamping plate 62 contacts the squeezing roller 82 , thereby protecting the squeezing roller 82 and the upper clamping plate 62 and preventing the flexible circuit board on the lower clamping plate 61 from shaking.

[0047] like Fig.12 As shown, it also includes a process display 10. The process display 10 is installed on the top of the detection body 1 for displaying the processing process. The process display 10 is connected to the controller 3. The controller 3 displays a lot of information. The staff can select part of the information to share on the process display 10 and amplify the information, so that the processing status information of the equipment can be obtained from a distance.

[0048] Each round of inspection process and the inspection results of the current flexible circuit board are displayed through the process display 10. One staff member can control multiple devices at the same time. After all, the production quality of flexible circuit boards is high and the number of unqualified products is small, which greatly improves the inspection efficiency. The process display 10 is equipped with a broadcast function to reduce the staff's patrol time and further optimize the work content.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A testing device for the production of flexible circuit boards, comprising a testing body (1), a testing table (2), a controller (3), and an optical testing instrument (4), wherein the testing body (1) is provided with a testing table (2), the optical testing instrument (4) is installed in the testing body (1), and the side of the testing body (1) is connected to a controller (3) for controlling various devices and electrical components installed on the testing body (1), wherein: The invention also comprises a conveying mechanism (5), a fixing assembly (6) and a flipping assembly (7); a conveying mechanism (5) for conveying a flexible circuit board to be tested is arranged between the testing tables (2); a fixing assembly (6) for clamping and fixing the flexible circuit board is arranged on the conveying mechanism (5); a flipping assembly (7) for flipping the fixing assembly (6) is arranged on the testing table (2); the fixing assembly (6) comprises a lower clamping plate (61), an upper clamping plate (62), a first torsion spring (63) and a connecting block (64); the lower clamping plate (61) is connected between the two connecting blocks (64); the lower clamping plate (61) is rotatably connected to the upper clamping plate (62) at the rear end; and the upper clamping plate (62) is rotatably connected to the upper clamping plate (62) at the rear end. A first torsion spring (63) is provided at the connection between the upper clamping plate (62) and the lower clamping plate (61); one end of the first torsion spring (63) is connected to the lower clamping plate (61), and the other end is connected to the upper clamping plate (62); and an opening and closing assembly (8) for opening and closing the upper clamping plate (62) is also included. The opening and closing assembly (8) includes a support frame (81), a squeezing roller (82), an unlocking block (83) and a locking mechanism. The support frame (81) is connected to the conveying mechanism (5); a plurality of squeezing rollers (82) are rotatably connected between the two support frames (81), and the heights of the squeezing rollers (82) are inconsistent. The front end of the conveying mechanism (5) is connected to the unlocking block (83); the fixing assembly (6) is A locking mechanism for locking the upper clamping plate (62) is provided; the conveying mechanism (5) comprises a guide rail (51), a motor (52), a pulley group (53), a conveying screw (54) and a conveying block (55); the left and right sides of the inside of the detection table (2) are connected with the guide rails (51); the top of the guide rails (51) is connected with a support frame (81); the guide rails (51) are rotatably connected with the conveying screw (54); the conveying screw (54) is threadedly connected with the conveying block (55); the conveying block (55) is slidably connected with the guide rail (51); the rear side of the detection body (1) is equipped with a motor (52); the motor (52) is connected to the rear end of one of the conveying screws (54) The two conveying screw rods (54) are connected by a pulley group (53); the fixed component (6) further comprises a hemispherical block (65) and a first elastic member (66); the connecting block (64) is rotatably connected to the opposite side of the two conveying blocks (55); the conveying block (55) is provided with an alignment groove (551) on the side in contact with the connecting block (64); the connecting block (64) is provided with two symmetrical circular grooves (641); the hemispherical block (65) is slidably connected in the circular groove (641); the first elastic member (66) is arranged in the circular groove (641); one end of the first elastic member (66) is connected to the connecting block (64); and the other end is connected to the hemispherical block (65);The flip assembly (7) comprises a ratchet (71), a fixing plate (72), a ratchet (73) and a second torsion spring (74). The ratchet (71) is sleeved on the connecting block (64). A plurality of fixing plates (72) are fixedly connected to opposite sides of the two guide rails (51). The fixing plates (72) are respectively located at the upper end and the lower end of the guide rails (51). A plurality of ratchet teeth (73) are hingedly connected to the fixing plates (72). The second torsion spring (74) is sleeved on both ends of the ratchet teeth (73). One end of the second torsion spring (74) is connected to the ratchet teeth (73), and the other end is connected to the fixing plate (72). The number of ratchet teeth (73) connected to each fixing plate (72) is half the number of teeth of the ratchet (71). The ratchet teeth (73) can only rotate in one direction. When the moving direction of the ratchet (71) is opposite to the preset rotation direction of the ratchet teeth (73), the ratchet teeth (73) are fixed. The plate (72) is pressed against and cannot rotate. At this time, the ratchet (71) must rotate to pass the ratchet (73); the locking mechanism comprises a limit block (84), a limit member (85) and a second elastic member (86); the two guide rails (51) are connected to the unlocking block (83) at the opposite side of the front ends; a square groove (611) is provided at the front end of the lower clamping plate (61); the limit member (85) is slidably connected in the square groove (611); a second elastic member (86) is provided in the square groove (611); one end of the second elastic member (86) is connected to the lower clamping plate (61) and the other end is connected to the limit member (85); the upper clamping plate (62) is connected to the limit block (84) at both sides; the limit block (84) is designed with a barb at the lower end, and the bottom of the barb is an inclined surface; the limit member (85) is engaged with the barb of the limit block (84) by snapping; the outer end of the limit member (85) is engaged with the unlocking block (83) by pressing. ; 2. A detection device for flexible circuit board production according to claim 1, characterized in that: The invention also comprises a material changing rack (9), an electric slide rail (91) and an electric control suction cup (92); the material changing rack (9) is connected to the detection table (2); the electric slide rail (91) is installed in the material changing rack (9); the electric control suction cup (92) is slidably connected to the electric slide rail (91); the electric slide rail (91) and the electric control suction cup (92) are both connected to the controller (3) by wire; the electric control suction cup (92) is used to absorb the flexible circuit board.

3. A detection device for flexible circuit board production according to claim 2, characterized in that: It also includes a protective cover (56), the rear side of the detection body (1) is connected to the protective cover (56), and the protective cover (56) is used to cover the motor (52).

4. A detection device for flexible circuit board production according to claim 3, characterized in that: It also includes a buffer ring (87). A plurality of buffer rings (87) are sleeved on the squeezing roller (82), and the buffer rings (87) are made of rubber.

5. A detection device for flexible circuit board production according to claim 4, characterized in that: It also includes a process display (10), which is installed on the top of the detection body (1) and is used to display the processing progress.

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