FPC bare board flying probe test device

Abstract

The present invention discloses a FPC bare board flying probe test device, comprising a test frame, a test workbench, two groups of winding and unwinding mechanisms, a feed roller group, a discharge roller group, and a test identification mechanism; the test workbench is installed in the middle of the test frame table, the test identification mechanism is installed in the middle of the test frame table and is located on one side of the test workbench, the two groups of winding and unwinding mechanisms are respectively installed at the feed end and the discharge end of the test frame, the feed roller group and the discharge roller group are respectively installed at the feed end and the discharge end of the test frame, and the feed roller group and the discharge roller group are respectively located on the inner side of the two groups of winding and unwinding mechanisms and at both ends of the test workbench. The present invention detects the tension of the bare board on the feed roller group and the discharge roller group, and then adjusts the winding and unwinding speeds of the two groups of winding and unwinding mechanisms, realizes automatic adjustment, and ensures the accuracy of the bare board position.

Description

Technical Field

[0001] The invention relates to the field of flexible circuit board production, in particular to an FPC bare board flying probe test device. Background Art

[0002] Flexible circuit board is a printed circuit made of flexible insulating base material. It has many advantages that rigid printed circuit board does not have. It can be bent, wound, folded freely, arranged arbitrarily according to the spatial layout requirements, and moved and stretched arbitrarily in three-dimensional space, so as to achieve the integration of component assembly and wire connection. The use of FPC can greatly reduce the size of electronic products, which is suitable for the development of electronic products in the direction of high density, miniaturization and high reliability. At present, for the test of large-scale vehicle-mounted FPC whole roll bare board, there are problems such as different models of large FPC whole roll bare board cannot be automatically adjusted, bad coding identification is difficult, and it is difficult to adapt to various roll materials. Summary of the invention

[0003] The object of the present invention is to provide an FPC bare board flying probe test device which can automatically adjust the bare board rolling speed and automatically correct the deviation.

[0004] To achieve the above purpose, the technical solution of the present invention is:

[0005] The present invention discloses a flying probe test device for an FPC bare board, comprising a test frame, a test workbench, two groups of reeling and unreeling mechanisms, a feed roller group, a discharge roller group, and a test identification mechanism;

[0006] The test workbench is installed in the middle of the test frame table top, the test identification mechanism is installed in the middle of the test frame table top and is located on one side of the test workbench, two sets of winding and unwinding mechanisms are respectively installed at the feed end and the discharge end of the test frame, the feed roller group and the discharge roller group are respectively installed at the feed end and the discharge end of the test frame, and the feed roller group and the discharge roller group are respectively located on the inner sides of the two sets of winding and unwinding mechanisms and at both ends of the test workbench.

[0007] The present invention also includes a blower; the blower is installed below the test rack table, connected to the bottom surface of the test workbench through a pipeline, and is used for adsorbing the light board.

[0008] The unwinding and winding mechanism comprises an unwinding and winding seat, a translation slide rail, a correction mechanism, an unwinding and winding frame, a motor, a magnetic powder clutch, a reel, a guide roller, and a correction detector; the unwinding and winding seat is fixed on the test frame, the translation slide rail is installed on the unwinding and winding seat, one end of the correction mechanism is hinged on the unwinding and winding seat, and the other end of the correction mechanism is hinged on the unwinding and winding frame, and the unwinding and winding frame is slidably connected to the translation slide rail and can move back and forth along the translation slide rail; the motor is installed on the unwinding and winding frame, the output shaft of the motor is connected to the power input end of the magnetic powder clutch, the power output end of the magnetic powder clutch is connected to one end of the reel, the reel is rotatably installed on the unwinding and winding frame, one end of the guide roller is rotatably installed on the unwinding and winding frame and is parallel to the reel, and the correction detector is installed on the unwinding and winding frame and is located above the guide roller.

[0009] The reeling and unreeling frame is in a right-angle shape, one right-angle side is slidably connected to the translation slide rail, and the other right-angle side is provided with a reel and a guide roller.

[0010] The feed roller group includes a feed frame, two pressure detectors, a feed guide roller, a pressure guide roller, a discharge guide roller, two pressure guide roller seats, and a meter; the feed frame is installed on the test frame, the bottom surfaces of the two pressure detectors are installed in the middle of the feed frame and the two pressure detectors are arranged opposite to each other, the two pressure guide roller seats are respectively fixed on the top surfaces of the two pressure detectors, the two ends of the pressure guide roller are rotatably installed on the two pressure guide roller seats, the two ends of the feed guide roller and the discharge guide roller are respectively rotatably installed on the feed frame, the feed guide roller and the discharge guide roller are respectively located on both sides of the pressure guide roller, and the feed guide roller, the pressure guide roller, and the discharge guide roller are parallel to each other; one end of the pressure guide roller passes through the pressure guide roller seat, and the meter is installed on the passing end of the pressure guide roller;

[0011] The feed roller group also includes an ion wind rod and a wind rod frame; one end of the wind rod frame is installed on the feed machine frame, and the other end of the wind rod frame is installed with an ion wind rod, and the ion wind rod is located above the pressing guide roller.

[0012] The discharging roller group includes a discharging frame, two tension detectors, a rear feed guide roller, a rear pressure guide roller, a rear discharging guide roller, and two rear pressure guide roller seats; the discharging frame is installed on the test frame, the bottom surfaces of the two tension detectors are installed in the middle of the discharging frame and the two tension detectors are arranged opposite to each other, the two rear pressure guide roller seats are respectively fixed on the top surfaces of the two tension detectors, the two ends of the rear pressure guide roller are rotatably installed on the two rear pressure guide roller seats, the two ends of the rear feed guide roller and the rear discharging guide roller are respectively rotatably installed on the discharging frame, the rear feed guide roller and the rear discharging guide roller are respectively located on both sides of the rear pressure guide roller, and the rear feed guide roller, the rear pressure guide roller, and the rear discharging guide roller are parallel to each other.

[0013] The test identification mechanism includes a test frame, a test rail, a coding longitudinal module, a coding transverse module, two groups of flying probe test heads, a coding terminal, a camera longitudinal module, a camera transverse module, and a camera; the test frame is installed on the test frame, and the test rail is installed on the test frame; the coding longitudinal module is installed at one end of the test frame, the coding transverse module is installed on the slider of the coding longitudinal module and slidably connected to the test rail, a group of flying probe test heads and the coding terminal are installed on the slider of the coding transverse module; the camera longitudinal module is installed at the other end of the test frame and is opposite to the coding longitudinal module, the camera transverse module is installed on the slider of the camera longitudinal module and slidably connected to the test rail, and the camera and another group of flying probe test heads are installed on the slider of the camera transverse module.

[0014] The coding longitudinal module includes a module frame, a longitudinal motor, a pulley group, a screw, a screw seat, and a slider; the module frame is installed on the test frame, the longitudinal motor is installed on the module frame, the output shaft of the longitudinal motor is connected to one end of the screw through the pulley group, the screw is rotatably installed on the screw seat, the screw seat is fixed on the test frame, and the slider is screwed to the screw through the screw nut thereon.

[0015] After adopting the above scheme, the present invention has the following advantages:

[0016] 1. The present invention detects the tension of the polishing plate on the feed roller group and the discharge roller group, and then adjusts the winding and unwinding speeds of the two groups of winding and unwinding mechanisms to achieve automatic adjustment and ensure the accuracy of the polishing plate position.

[0017] 2. The reeling and winding mechanism of the present invention is provided with a deviation correction mechanism and a deviation correction detector. The deviation correction detector can detect the deviation of the light plate roll on the reel. The deviation correction mechanism can automatically correct the deviation of the light plate roll on the reel, and automatically and accurately adjust the loading position of the light plate roll on the reel, thereby realizing automatic adjustment and correction and saving more space.

[0018] 3. The overall structure of the present invention is compact. Different from the traditional winding and unwinding correction mechanism, it solves the problem of excessive volume of the mechanism, can realize automatic adjustment and correction, and saves more space.

[0019] 4. The present invention solves the problem that large FPC bare board rolls of different models cannot be automatically adjusted and tested, and the problem of bad inkjet marking can be solved. It can adapt to various coil materials without slicing, which greatly saves the process and does not require additional manual adjustment of machine tools, thus greatly saving labor and tooling costs.

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is an axonometric view of the present invention;

[0022] Figure 2 It is an axonometric view of the reeling and unreeling mechanism of the present invention;

[0023] Figure 3 is an axonometric view of the feed roller assembly of the present invention;

[0024] Figure 4 is an axonometric view of the discharge roller assembly of the present invention;

[0025] Figure 5 It is a right-side isometric view of the test identification mechanism of the present invention;

[0026] Figure 6 It is a left-hand isometric view of the test identification mechanism of the present invention. DETAILED DESCRIPTION

[0027] like Figure 1 As shown, the present invention is an FPC bare board flying probe test device, comprising a test frame 1, a test workbench 2, two sets of winding and unwinding mechanisms 3, a feed roller group 4, a discharge roller group 5, a test marking mechanism 6, and a blower 7.

[0028] The test bench 2 is installed in the middle of the test rack 1 tabletop, the test identification mechanism 6 is installed in the middle of the test rack 1 tabletop and located on one side of the test bench 2, two sets of winding and unwinding mechanisms 3 are respectively installed at the feed end and the discharge end of the test rack 1, the feed roller group 4 and the discharge roller group 5 are respectively installed at the feed end and the discharge end of the test rack 1, and the feed roller group 4 and the discharge roller group 5 are respectively located on the inner side of the two sets of winding and unwinding mechanisms 3 and at both ends of the test bench 2. The blower 7 is installed below the test rack 1 tabletop, connected to the bottom surface of the test bench 2 through a pipeline, and is used to absorb the light board.

[0029] like Figure 2As shown, the unwinding and winding mechanism 3 includes an unwinding and winding seat 31, a translation slide rail 32, a correction mechanism 33, an unwinding and winding frame 34, a motor 35, a magnetic powder clutch 36, a reel 37, a guide roller 38, and a correction detector 39; the unwinding and winding seat 31 is fixed on the test frame 1, the translation slide rail 32 is installed on the unwinding and winding seat 31, one end of the correction mechanism 33 is hinged on the unwinding and winding seat 31, and the other end of the correction mechanism 33 is hinged on the unwinding and winding frame 34, and the unwinding and winding frame 34 is slidably connected to the translation slide rail. 32 and can move back and forth along the translation slide 32; the motor 35 is installed on the reel frame, the output shaft of the motor 35 is connected to the power input end of the magnetic powder clutch 36, the power output end of the magnetic powder clutch 36 is connected to one end of the reel 37, the reel 37 is rotatably installed on the reel frame 34, one end of the guide roller 38 is rotatably installed on the reel frame 34 and is parallel to the reel 37, and the deviation correction detector 39 is installed on the reel frame 34 and is located above the guide roller 38. In this embodiment, the reel frame 34 is in a right angle shape, one right angle side 341 is slidably connected to the translation slide 32, and one right angle side 342 is installed with the reel 37 and the guide roller 38.

[0030] like Figure 3 As shown, the feed roller group 4 includes a feed frame 41, two pressure detectors 42, a feed guide roller 43, a pressing guide roller 44, a discharge guide roller 45, two pressing guide roller seats 46, a meter 47, an ion wind rod 48 and a wind rod rack 49; the feed frame 41 is installed on the test frame 1, the bottom surfaces of the two pressure detectors 42 are installed in the middle of the feed frame 41 and the two pressure detectors 42 are arranged opposite to each other, and the two pressing guide roller seats 46 are respectively fixed on the two pressure detectors 42, the two ends of the pressing guide roller 44 are rotatably mounted on two pressing guide roller seats 46, the two ends of the feed guide roller 43 and the discharge guide roller 45 are rotatably mounted on the feed frame 41, the feed guide roller 43 and the discharge guide roller 45 are respectively located on both sides of the pressing guide roller 44, and the feed guide roller 43, the pressing guide roller 44, and the discharge guide roller 45 are parallel to each other; one end of the pressing guide roller 44 passes through the pressing guide roller seat 46, and the meter 47 is installed on the passing end of the pressing guide roller 44. One end of the wind rod frame 49 is installed on the feed frame 41, and the other end of the wind rod frame 49 is installed with an ion wind rod 48, and the ion wind rod 48 is located above the pressing guide roller 44.

[0031] like Figure 4As shown, the discharging roller group 5 includes a discharging frame 51, two tension detectors 52, a rear feed guide roller 53, a rear pressure guide roller 54, a rear discharging guide roller 55, and two rear pressure guide roller seats 56; the discharging frame 51 is installed on the test frame 1, the bottom surfaces of the two tension detectors 52 are installed in the middle of the discharging frame 51 and the two tension detectors 52 are arranged opposite to each other, the two rear pressure guide rollers 53 are respectively fixed on the top surfaces of the two tension detectors 52, the two ends of the rear pressure guide roller 54 are rotatably installed on the two rear pressure guide rollers 53, the two ends of the rear feed guide roller 53 and the rear discharging guide roller 55 are respectively rotatably installed on the discharging frame 51, the rear feed guide roller 53 and the rear discharging guide roller 55 are respectively located on both sides of the rear pressure guide roller 54, and the rear feed guide roller 53, the rear pressure guide roller 54, and the rear discharging guide roller 55 are parallel to each other.

[0032] like Figure 5 , Figure 6 As shown, the test identification mechanism 6 includes a test frame 61, a test guide rail 62, a coding longitudinal module 63, a coding transverse module 64, two sets of flying probe test heads 65, 610, a coding terminal 66, a camera longitudinal module 67, a camera transverse module 68, and a camera 69.

[0033] The test frame 61 is installed on the test frame 1, and the test guide rail 62 is installed on the test frame 61; the coding longitudinal module 63 is installed at one end of the test frame 61, the coding transverse module 64 is installed on the slider of the coding longitudinal module 63 and slidably connected to the test guide rail 62, and a group of flying probe test heads 65 and a coding terminal 66 are installed on the slider of the coding transverse module 63; the camera longitudinal module 67 is installed at the other end of the test frame 1 and is opposite to the coding longitudinal module 63, the camera transverse module 68 is installed on the slider of the camera longitudinal module 67 and slidably connected to the test guide rail 62, and the camera 69 and another group of flying probe test heads 610 are installed on the slider of the camera transverse module 68.

[0034] The coding longitudinal module 63 includes a module frame 631, a longitudinal motor 632, a pulley group 633, a screw 634, a screw seat 635, and a slider 636; the module frame 631 is installed on the test frame 1, the longitudinal motor 632 is installed on the module frame 631, the output shaft of the longitudinal motor 632 is connected to one end of the screw 634 through the pulley group 633, the screw 634 is rotatably installed on the screw seat 635, the screw seat 635 is fixed on the test frame 1, and the slider 636 is screwed to the screw 634 through the screw nut thereon.

[0035] It should be noted that: 1. The coding longitudinal module 63 and the camera longitudinal module 67 have the same structure.

[0036] Working principle of the present invention:

[0037] 1. The reeling and unwinding mechanism 3 at the feed end cooperates with the feed roller group 4, and the discharging roller group 5 cooperates with the reeling and unwinding mechanism 3 at the discharging end, and the tension of the light board roll 10 on the feed roller group 4 and the discharging roller group 5 is detected in real time. If the tension is too large, the reeling and unwinding mechanism 3 at the feed end is adjusted to unwind; if the tension is too small, the reeling and unwinding mechanism 3 at the discharging end is adjusted to rewind, and then the rewinding and unwinding speeds of the two groups of reeling and unwinding mechanisms 3 are adjusted, and the loading position of the light board roll 10 is automatically and accurately adjusted to achieve automatic adjustment and ensure the accuracy of the light board position.

[0038] 2. The deviation correction detector 39 on the reel 3 can detect the deviation of the light board roll 10 on the reel 37, and adjust the reel frame 34 through the deviation correction mechanism 33, so that the light board roll 10 on the reel 37 is automatically corrected, and the loading position of the light board roll on the reel is accurately adjusted to achieve automatic adjustment and correction.

[0039] 3. The camera 69 is driven to move by the camera longitudinal module 67 and the camera transverse module 68. The camera 69 can capture the position of the MARK point on the light board, calculate the distance between the test point and the MARK point on the light board, and then move the two sets of flying probe test heads 65 and 610 to conduct a power-on test. If it is detected that the two test points cannot conduct the circuit, the longitudinal and transverse inkjet modules 63 and 64 drive the inkjet terminal 66 to move and inkjet the MARK point black.

[0040] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the specification should still fall within the scope covered by the patent of the present invention.

Claims

1. A FPC bare board flying probe test device, characterized in that: It includes a test frame, a test workbench, two sets of rewinding and unwinding mechanisms, a feed roller set, a discharge roller set, and a test identification mechanism; The test workbench is installed in the middle of the test frame table, the test identification mechanism is installed in the middle of the test frame table and located on one side of the test workbench, two sets of winding and unwinding mechanisms are respectively installed at the feed end and the discharge end of the test frame, the feed roller group and the discharge roller group are respectively installed at the feed end and the discharge end of the test frame, and the feed roller group and the discharge roller group are respectively located on the inner side of the two sets of winding and unwinding mechanisms and at both ends of the test workbench; The unwinding and winding mechanism comprises an unwinding and winding seat, a translation slide rail, a correction mechanism, an unwinding and winding frame, a motor, a magnetic powder clutch, a reel, a guide roller, and a correction detector; the unwinding and winding seat is fixed on the test frame, the translation slide rail is installed on the unwinding and winding seat, one end of the correction mechanism is hinged on the unwinding and winding seat, and the other end of the correction mechanism is hinged on the unwinding and winding frame, and the unwinding and winding frame is slidably connected to the translation slide rail and can move back and forth along the translation slide rail; the motor is installed on the unwinding and winding frame, the output shaft of the motor is connected to the power input end of the magnetic powder clutch, the power output end of the magnetic powder clutch is connected to one end of the reel, the reel is rotatably installed on the unwinding and winding frame, one end of the guide roller is rotatably installed on the unwinding and winding frame and is parallel to the reel, and the correction detector is installed on the unwinding and winding frame and is located above the guide roller; The feed roller group includes a feed frame, two pressure detectors, a feed guide roller, a pressure guide roller, a discharge guide roller, two pressure guide roller seats, and a meter; the feed frame is installed on the test frame, the bottom surfaces of the two pressure detectors are installed in the middle of the feed frame and the two pressure detectors are arranged opposite to each other, the two pressure guide roller seats are respectively fixed on the top surfaces of the two pressure detectors, the two ends of the pressure guide roller are rotatably installed on the two pressure guide roller seats, the two ends of the feed guide roller and the discharge guide roller are respectively rotatably installed on the feed frame, the feed guide roller and the discharge guide roller are respectively located on both sides of the pressure guide roller, and the feed guide roller, the pressure guide roller, and the discharge guide roller are parallel to each other; one end of the pressure guide roller passes through the pressure guide roller seat, and the meter is installed on the passing end of the pressure guide roller; The discharging roller group includes a discharging frame, two tension detectors, a rear feed guide roller, a rear pressure guide roller, a rear discharging guide roller, and two rear pressure guide roller seats; the discharging frame is installed on the test frame, the bottom surfaces of the two tension detectors are installed in the middle of the discharging frame and the two tension detectors are arranged opposite to each other, the two rear pressure guide roller seats are respectively fixed on the top surfaces of the two tension detectors, the two ends of the rear pressure guide roller are rotatably installed on the two rear pressure guide roller seats, the two ends of the rear feed guide roller and the rear discharging guide roller are respectively rotatably installed on the discharging frame, the rear feed guide roller and the rear discharging guide roller are respectively located on both sides of the rear pressure guide roller, and the rear feed guide roller, the rear pressure guide roller, and the rear discharging guide roller are parallel to each other.

2. The FPC bare board flying probe test device according to claim 1, characterized in that: It also includes a blower; the blower is installed below the test rack table, connected to the bottom surface of the test workbench through a pipeline, and is used to adsorb the light board.

3. The FPC bare board flying probe test device according to claim 1, characterized in that: The reeling and unreeling frame is in a right-angle shape, one right-angle side is slidably connected to the translation slide rail, and the other right-angle side is provided with a reel and a guide roller.

4. The FPC bare board flying probe test device according to claim 1, characterized in that: The feed roller group also includes an ion wind rod and a wind rod frame; one end of the wind rod frame is installed on the feed machine frame, and the other end of the wind rod frame is installed with an ion wind rod, and the ion wind rod is located above the pressing guide roller.

5. The FPC bare board flying probe test device according to claim 1, characterized in that: The test identification mechanism includes a test frame, a test rail, a coding longitudinal module, a coding transverse module, two groups of flying probe test heads, a coding terminal, a camera longitudinal module, a camera transverse module, and a camera; the test frame is installed on the test frame, and the test rail is installed on the test frame; the coding longitudinal module is installed at one end of the test frame, the coding transverse module is installed on the slider of the coding longitudinal module and slidably connected to the test rail, a group of flying probe test heads and the coding terminal are installed on the slider of the coding transverse module; the camera longitudinal module is installed at the other end of the test frame and is opposite to the coding longitudinal module, the camera transverse module is installed on the slider of the camera longitudinal module and slidably connected to the test rail, and the camera and another group of flying probe test heads are installed on the slider of the camera transverse module.

6. The FPC bare board flying probe test device according to claim 5, characterized in that: The coding longitudinal module includes a module frame, a longitudinal motor, a pulley group, a screw, a screw seat, and a slider; the module frame is installed on the test frame, the longitudinal motor is installed on the module frame, the output shaft of the longitudinal motor is connected to one end of the screw through the pulley group, the screw is rotatably installed on the screw seat, the screw seat is fixed on the test frame, and the slider is screwed to the screw through the screw nut thereon.

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