Visual inspection equipment for flexible circuit board

Abstract

The utility model belongs to the technical field of visual inspection, and particularly relates to visual inspection equipment for a flexible circuit board, which comprises a visual inspection device. A first conveying table is arranged in the middle of the visual detection device in a penetrating mode, a bottom table is arranged at the bottom of the first conveying table and fixedly connected with the visual detection device, an air cylinder is fixedly connected to the top of the bottom table and is in signal connection with the visual detection device, and a straight shaft is fixedly connected to one end of the air cylinder. One end of the straight shaft is fixedly connected with a first sliding block, the first sliding block is slidably connected with the bottom table, one end of the first sliding block is hinged to a connecting rod, one end of the connecting rod is hinged to a movable sliding table, one end of the movable sliding table is hinged to the first conveying table, and a second conveying table is arranged at the bottom of the movable sliding table and fixedly connected with the bottom table. And the top of the second conveying table is fixedly connected with a third conveying table.

Description

TECHNICAL FIELD

[0001] The utility model belongs to visual inspection technical field, concretely is a kind of visual inspection equipment of flexible circuit board. BACKGROUND

[0002] Flexible circuit board is also called "soft board", it is the printed circuit made of flexible insulating substrate, and flexible circuit provides excellent electrical performance, can meet the design needs of smaller and higher density installation, also helps to reduce assembly process and enhance reliability, and flexible circuit board is the only solution to meet the requirements of small and mobile electronic products, it can be freely bent, wound, folded, can withstand millions of dynamic bending without damaging the wire, can be arranged arbitrarily according to the space layout requirements, and can be moved and stretched in three-dimensional space, so as to achieve the integration of component assembly and wire connection;Flexible circuit board can greatly reduce the volume and weight of electronic products, and meet the needs of the development of electronic products to high density, small size and high reliability.

[0003] The existing visual inspection equipment does not have the function of automatically distinguishing and classifying qualified and unqualified flexible circuit boards after completing the visual inspection task of flexible circuit board, and still needs to rely on manual screening and taking, which undoubtedly increases the workload and cost of manual labor.

[0004] Therefore, the utility model provides a kind of visual inspection equipment of flexible circuit board. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background art is solved.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of visual inspection equipment of flexible circuit board of the utility model, including visual inspection device;First conveying table is arranged in the middle of visual inspection device and is penetrated, the bottom of the first conveying table is equipped with bottom table, and the bottom table is fixedly connected with visual inspection device, the top of the bottom table is fixedly connected with cylinder, and the cylinder is signal connected with visual inspection device, one end of the cylinder is fixedly connected with straight shaft, one end of the straight shaft is fixedly connected with first sliding block, and the first sliding block is slidably connected with bottom table, and one end of the first sliding block is hingedly connected with connecting rod, one end of the connecting rod is hingedly connected with movable sliding table, and the movable sliding table is hingedly connected with the first conveying table at one end, the bottom of the movable sliding table is equipped with second conveying table, and the second conveying table is fixedly connected with bottom table, the top of the second conveying table is fixedly connected with third conveying table, when working, first the flexible circuit board to be detected is placed to the first conveying table, is conveyed to the inside of visual inspection device by the first conveying table, and visual inspection device detects the flexible circuit board on the first conveying table, and the flexible circuit board that is qualified moves to the movable sliding table along the first conveying table, due to inertia, the flexible circuit board is quickly slid over the movable sliding table and moves to the third conveying table, and the flexible circuit board that is unqualified is detected, and after detection, signal is sent to the cylinder by visual inspection device, and the cylinder is started after receiving the signal, and the first sliding block is slid on the bottom table, the first sliding block movement drives the angle change of connecting rod, and then the one end of movable sliding table is driven to separate from the third conveying table, and stays above the second conveying table, and the flexible circuit board that is unqualified slides from the first conveying table, and after passing through movable sliding table, falls on the second conveying table;If the next flexible circuit board detection is qualified, visual inspection device sends signal to the cylinder again, and the first sliding block is moved by the cylinder, and the connecting rod is acted on movable sliding table and lifts it, so that the movable sliding table corresponds with one end of the third conveying table, and the qualified flexible circuit board is still quickly slid over the movable sliding table and reaches the third conveying table under the action of inertia, so classification collection can be completed.

[0007] Preferably, the visual inspection device is provided with a first fixing frame on one side, the first fixing frame is fixedly connected to the top of the first conveying table, a motor is fixedly connected to one side of the first fixing frame, a lead screw is fixedly connected to one end of the motor, the lead screw is rotatably connected to the first fixing frame, two second sliding blocks are threadedly connected to the outside of the first fixing frame, a fixed rod is fixedly connected to the bottom of the first fixing frame, a guide plate is fixedly connected to the bottom of the fixed rod, when working, the flexible circuit board is conveyed on the first conveying table, when the flexible circuit board is conveyed to the middle of the first fixing frame, the guide plate guides and positions the flexible circuit board, to ensure that the flexible circuit board is in the middle of the first conveying table, and the guide plate is arc-shaped, which is conducive to guiding the scattered flexible circuit boards to the middle of the first conveying table, and facilitates subsequent visual inspection.

[0008] Preferably, the guide plate top is communicated with an external air pipe, and a plurality of air holes are formed in one side of the guide plate.

[0009] Preferably, the first fixing frame is provided with a second fixing frame on one side, the second fixing frame is fixedly connected with the first conveying table, a plurality of straight rods are slidably connected in the middle of the second fixing frame, springs are fixedly arranged at one end of the straight rods, one end of the spring is fixedly connected with the second fixing frame, and rollers are rotatably connected to the bottom of the straight rods.

[0010] Preferably, sponge pads are arranged outside the rollers and fixedly connected with the rollers.

[0011] Preferably, the movable sliding table is provided with guard plates on both sides, and the guard plates are fixedly connected with the first conveying table.

[0012] The visual detection equipment for the flexible circuit board has the following beneficial effects:

[0013] 1. The visual detection equipment for the flexible circuit board, by setting the cylinder to push and pull the first sliding block, the position of the movable sliding table is changed, different flexible circuit boards with different detection results are guided into different conveying tables, and the flexible circuit boards are collected respectively.

[0014] 2. The visual detection equipment for the flexible circuit board, by setting the guide plate to be arc-shaped, the flexible circuit boards scattered are guided to the middle of the first conveying table, and the flexible circuit boards are detected by the subsequent visual detection device. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model makes further explanation in connection with the drawings.

[0016] Fig. 1 It is the perspective view in the utility model;

[0017] Fig. 2 It is the structural schematic view of the first sliding block in the utility model;

[0018] Fig. 3 is the structure schematic view of the positive and negative screw rod in the utility model;

[0019] Fig. 4 is the structure schematic view of the guide plate in the utility model;

[0020] Fig. 5 is the structure schematic view of the straight rod in the utility model;

[0021] In the figure: 1, visual detection device;11, first conveying table;110, bottom table;12, air cylinder;13, straight shaft;14, first sliding block;15, connecting rod;16, movable sliding table;17, second conveying table;18, third conveying table;2, first fixed frame;21, motor;22, positive and negative screw rod;23, second sliding block;24, fixed rod;25, guide plate;3, external air pipe;31, air hole;4, second fixed frame;41, straight rod;42, spring;43, roller;5, sponge pad;6, guard plate. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] For example, Figs. 1-2The utility model discloses a flexible circuit board's visual inspection equipment, including visual inspection device 1, the first transmission platform 11 is set up in the middle department of visual inspection device 1 and is passed, the bottom of first transmission platform 11 is equipped with bottom platform 110, bottom platform 110 and visual inspection device 1 fixed connection, the top fixed connection of bottom platform 110 has the cylinder 12, the cylinder 12 and visual inspection device 1 signal connection, the one end fixed connection of cylinder 12 has straight shaft 13, the one end fixed connection of straight shaft 13 has first sliding block 14, first sliding block 14 and bottom platform 110 sliding connection, the one end hinged of first sliding block 14 has connecting rod 15, the one end hinged of connecting rod 15 has movable slide 16, movable slide 16 one end and first transmission platform 11 hinged, the bottom of movable slide 16 is equipped with second transmission platform 17, second transmission platform 17 and bottom platform 110 fixed connection, the top fixed connection of second transmission platform 17 has third transmission platform 18, first the flexible circuit board of detection is placed to first transmission platform 11, by first transmission platform 11 is conveyed to the inside of visual inspection device 1, and visual inspection device 1 detects the flexible circuit board on first transmission platform 11, and the flexible circuit board of qualified moves along first transmission platform 11 and arrives movable slide 16, owing to inertia, the flexible circuit board is quickly slid over movable slide 16 and moves to third transmission platform 18, and the flexible circuit board of unqualified is detected, and after, by visual inspection device 1 to cylinder 12 sends out the signal, and cylinder 12 receives the signal and starts, and drags first sliding block 14 and slides on bottom platform 110, and first sliding block 14 movement drives connecting rod 15 angle change, and then will movable slide 16 one end drive and separate third transmission platform 18, and stay above second transmission platform 17, and the flexible circuit board of unqualified slides from first transmission platform 11, and after passing movable slide 16, falls to second transmission platform 17, if the next flexible circuit board detects qualified, visual inspection device 1 again to cylinder 12 sends the signal, and cylinder 12 promotes first sliding block 14 and moves, and connecting rod 15 acts on movable slide 16 and lifts it, causes movable slide 16 and third transmission platform 18 one end corresponding, and the flexible circuit board of qualified still is quickly slid over movable slide 16 and reaches third transmission platform 18 under the action of inertia, so this can complete classification collection, by setting up cylinder 12 to push and pull first sliding block 14, and then change the position of movable slide 16, make it guide the flexible circuit board of different detection results and enter different transmission platform, carry out separate collection.

[0024] As Figs. 1-4As shown, the visual inspection device 1 is provided with a first fixed frame 2, the first fixed frame 2 is fixedly connected to the top of the first conveying table 11, the first fixed frame 2 is fixedly connected with a motor 21 on one side, the motor 21 is fixedly connected with a positive and negative screw rod 22 on one end, the positive and negative screw rod 22 is rotatably connected with the first fixed frame 2, two second sliding blocks 23 are threadedly connected to the outer side of the first fixed frame 2, a fixed rod 24 is fixedly connected to the bottom of the first fixed frame 2, a guide plate 25 is fixedly connected to the bottom of the fixed rod 24, the flexible circuit board is conveyed on the first conveying table 11, when the flexible circuit board is conveyed to the middle part of the first fixed frame 2, the guide plate 25 guides and positions the flexible circuit board, ensures that the flexible circuit board is in the middle part of the first conveying table 11, the guide plate 25 is arc-shaped, which is conducive to guiding the scattered flexible circuit board to the middle part of the first conveying table 11, and facilitates subsequent detection of the visual inspection device 1.

[0025] As shown in Figs. 1-4 , the guide plate 25 is communicated with an external air pipe 3 on the top, and a plurality of air holes 31 are formed in one side of the guide plate 25. While guiding and positioning the flexible circuit board, the external air pipe 3 is connected to the air pump, and the gas is discharged from the air holes 31 to clean the dust on the surface of the flexible circuit board, thereby reducing the impurities covering the surface of the flexible circuit board and causing incorrect detection results.

[0026] As shown in Figs. 1-5 , the first fixed frame 2 is provided with a second fixed frame 4 on one side, the second fixed frame 4 is fixedly connected with the first conveying table 11, a plurality of straight rods 41 are slidably connected in the middle part of the second fixed frame 4, a spring 42 is fixedly arranged on one end of the straight rod 41, one end of the spring 42 is fixedly connected with the second fixed frame 4, a roller 43 is rotatably connected to the bottom of the straight rod 41, the flexible circuit board after positioning enters the second fixed frame 4, passes through the bottom of the roller 43, the straight rod 41 is lifted upward under the action of force, the spring 42 is pressed, and the roller 43 is reacted downward, the roller 43 rolls over the surface of the flexible circuit board, which flattens the flexible circuit board and reduces the influence of the uneven surface of the flexible circuit board on the detection.

[0027] As shown in Figs. 1-5 , the roller 43 is provided with a sponge pad 5 on the outer side, and the sponge pad 5 is fixedly connected with the roller 43. The sponge pad 5 sweeps over the flexible circuit board along with the roller 43, which cleans the dust and impurities attached to the surface of the flexible circuit board and increases the reliability of subsequent detection.

[0028] As shown in Figs. 1-2 , the movable sliding table 16 is provided with a guard plate 6 on both sides, the guard plate 6 is fixedly connected with the first conveying table 11, and the flexible circuit board is prevented from sliding out of the movable sliding table 16 when passing through the movable sliding table 16, and the guard plate 6 protects the flexible circuit board.

[0029] Working principle: first, the flexible circuit board to be detected is placed on the first conveying table 11, conveyed to the inside of the visual detection device 1 by the first conveying table 11, and the visual detection device 1 detects the flexible circuit board on the first conveying table 11; the qualified flexible circuit board moves along the first conveying table 11 to the movable sliding table 16, and due to inertia, the flexible circuit board quickly slides on the movable sliding table 16 to move to the third conveying table 18; the unqualified flexible circuit board is detected by the visual detection device 1 and sends a signal to the air cylinder 12, and the air cylinder 12 starts to drive the first sliding block 14 to slide on the bottom table 110; the first sliding block 14 drives the connecting rod 15 to change the angle, thereby driving one end of the movable sliding table 16 to separate from the third conveying table 18 and stay above the second conveying table 17; the unqualified flexible circuit board slides from the first conveying table 11, passes through the movable sliding table 16, and falls onto the second conveying table 17; if the next flexible circuit board is qualified, the visual detection device 1 sends a signal to the air cylinder 12 again, the air cylinder 12 drives the first sliding block 14 to move, the connecting rod 15 acts on the movable sliding table 16 to lift it up, so that the movable sliding table 16 corresponds to one end of the third conveying table 18, and the qualified flexible circuit board still quickly slides on the movable sliding table 16 to reach the third conveying table 18 under the action of inertia, so that classification and collection can be completed; the air cylinder 12 is arranged to push and pull the first sliding block 14, thereby changing the position of the movable sliding table 16, so that the flexible circuit boards with different detection results are guided into different conveying tables for separate collection; the flexible circuit board is conveyed on the first conveying table 11, and when the flexible circuit board is conveyed to the middle part of the first fixed frame 2, the guide plate 25 guides and positions the flexible circuit board to ensure that the flexible circuit board is in the middle part of the first conveying table 11; the guide plate 25 is arc-shaped, which is conducive to guiding the scattered flexible circuit board to the middle part of the first conveying table 11, facilitating subsequent visual detection by the visual detection device 1; while guiding and positioning the flexible circuit board, the external air pipe 3 is connected to the air pump, and the gas is discharged from the air hole 31 to clean the dust on the surface of the flexible circuit board, reducing the impurities covering the surface of the flexible circuit board and causing detection errors; after positioning, the flexible circuit board enters the second fixed frame 4, passes through the bottom of the roller 43, the straight rod 41 is lifted upward, the spring 42 is squeezed, and the roller 43 is acted downward, the roller 43 rolls over the surface of the flexible circuit board to flatten it, reducing the influence of the uneven surface of the flexible circuit board on the detection; the sponge pad 5 sweeps over the flexible circuit board to clean the dust and impurities attached to the surface of the flexible circuit board, increasing the reliability of subsequent detection; when the flexible circuit board passes through the movable sliding table 16, the guard plate 6 protects the flexible circuit board.

[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A visual inspection apparatus for flexible circuit boards, comprising a visual inspection device (1); characterized in that: The visual detection device (1) is provided with a first conveying table (11) penetrating through the middle part, the bottom of the first conveying table (11) is provided with a bottom table (110), the bottom table (110) is fixedly connected with the visual detection device (1), the top of the bottom table (110) is fixedly connected with a pneumatic cylinder (12), the pneumatic cylinder (12) is signal connected with the visual detection device (1), one end of the pneumatic cylinder (12) is fixedly connected with a straight shaft (13), one end of the straight shaft (13) is fixedly connected with a first sliding block (14), the first sliding block (14) is slidingly connected with the bottom table (110), one end of the first sliding block (14) is hingedly connected with a connecting rod (15), one end of the connecting rod (15) is hingedly connected with a movable sliding table (16), one end of the movable sliding table (16) is hingedly connected with the first conveying table (11), the bottom of the movable sliding table (16) is provided with a second conveying table (17), the second conveying table (17) is fixedly connected with the bottom table (110), the top of the second conveying table (17) is fixedly connected with a third conveying table (18).

2. The visual inspection apparatus for a flexible wiring board according to claim 1, wherein: The visual detection device (1) is provided with a first fixed frame (2) on one side, the first fixed frame (2) is fixedly connected on the top of the first conveying table (11), the first fixed frame (2) is fixedly connected with a motor (21) on one side, one end of the motor (21) is fixedly connected with a reversible screw rod (22), the reversible screw rod (22) is rotatably connected with the first fixed frame (2), the outer side of the first fixed frame (2) is threadedly connected with two second sliding blocks (23), the bottom of the first fixed frame (2) is fixedly connected with a fixed rod (24), the bottom of the fixed rod (24) is fixedly connected with a guide plate (25).

3. The visual inspection apparatus for a flexible circuit board according to claim 2, wherein: The top of the guide plate (25) is communicated with an external air pipe (3), a plurality of air holes (31) are formed in the side of the guide plate (25).

4. The visual inspection apparatus for a flexible wiring board according to claim 3, wherein: The first fixed frame (2) is provided with a second fixed frame (4) on one side, the second fixed frame (4) is fixedly connected with the first conveying table (11), a plurality of straight rods (41) are slidingly connected in the middle part of the second fixed frame (4), one end of the straight rod (41) is fixedly provided with a spring (42), one end of the spring (42) is fixedly connected with the second fixed frame (4), the bottom of the straight rod (41) is rotatably connected with a roller (43).

5. The visual inspection apparatus for a flexible wiring board according to claim 4, wherein: The outer side of the roller (43) is provided with a sponge pad (5), the sponge pad (5) is fixedly connected with the roller (43).

6. The visual inspection apparatus for a flexible wiring board according to claim 5, wherein: The movable sliding table (16) is provided with a guard plate (6) on both sides, the guard plate (6) is fixedly connected with the first conveying table (11).

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