Flexible circuit board line detection device

Abstract

The utility model discloses a flexible circuit board line detection device, which comprises a conveying mechanism, a supporting column and a driving mechanism, the supporting column is arranged on the side edge of the conveying mechanism, the driving mechanism comprises a driving motor, a screw rod, an upper substrate and a lower substrate, the driving motor is arranged at the top end of the supporting column, and the output end of the driving motor is connected with the screw rod. The lead screw is vertically arranged on the supporting column and provided with an upper threaded section and a lower threaded section which are opposite in spiral direction, one end of the upper base plate is in threaded connection with the upper threaded section, the other end of the upper base plate extends in the width direction of the conveying mechanism, one end of the lower base plate is in threaded connection with the lower threaded section, and the other end of the lower base plate extends in the width direction of the conveying mechanism. The upper substrate and the lower substrate are respectively arranged above and below the conveying mechanism, and the upper substrate and the lower substrate are both provided with probes for detection. According to the utility model, the upper end face and the lower end face of the fixed circuit board can be simultaneously detected, and the detection work efficiency of the circuit board can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible circuit boards, in particular to a flexible circuit board circuit detection device. Background Art

[0002] Flexible circuit board is a kind of highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the substrate. It is referred to as soft board or FPCB. It has the characteristics of high wiring density, light weight and thin thickness. It is mainly used in many products such as mobile phones, laptops, PDAs, digital cameras, LCMs, etc. When flexible circuit boards are produced, their circuits need to be tested. Circuit testing aims to comprehensively check the conductive circuits of the circuit board to ensure that they are intact and correctly connected, and to eliminate any potential short circuits, open circuits and other problems. At present, circuit testing usually uses a probe to contact the detection point of the circuit board and is tested by the testing equipment. However, this type of testing device can only test one surface of the circuit board and cannot test both surfaces at the same time. The efficiency of the test is low, and it is necessary to make certain improvements. Utility Model Content

[0003] The utility model aims to provide a flexible circuit board circuit detection device to solve the problems existing in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible circuit board line detection device, comprising a conveying mechanism, a support column and a driving mechanism, the support column is arranged on the side of the conveying mechanism, the driving mechanism comprises a driving motor, a screw, an upper base plate and a lower base plate, the driving motor is arranged at the top of the support column, the output end of the driving motor is connected to the screw, the screw is vertically arranged on the support column, an upper thread segment and a lower thread segment with opposite spiral directions are arranged on the screw, one end of the upper base plate is threadedly connected to the upper thread segment, and the other end extends in the width direction of the conveying mechanism, one end of the lower base plate is threadedly connected to the lower thread segment, and the other end extends in the width direction of the conveying mechanism, the upper base plate and the lower base plate are respectively arranged above and below the conveying mechanism, and the upper base plate and the lower base plate are both provided with probes for detection; the conveying mechanism is provided with a conveying platform, a circuit board fixing frame is provided on the conveying platform, and coaxial pinholes are provided on the bottom plate of the circuit board fixing frame and the conveying platform at the bottom plate.

[0005] As a preferred embodiment of the present technical solution, the upper base plate and the lower base plate both include a main board and a movable board, the probe is arranged on the movable board, and the movable board and the main board are detachably connected.

[0006] As a preferred embodiment of the present technical solution, the cross-section of the movable plate is I-shaped, a corresponding I-shaped groove is arranged on the main board, and a screw for tightening the movable plate is arranged on the upper end of the main board.

[0007] As a preferred embodiment of the present technical solution, the circuit board fixing frame is equipped with a frame seat plate, which is arranged between the circuit board fixing frame and the conveying platform. The frame seat plate and the conveying platform are detachably connected, and a through hole corresponding to the pinhole is provided on the frame seat plate, and the conveying platform corresponding to the circuit board fixing frame is provided with a through groove.

[0008] Compared with the prior art, the utility model drives the screw to rotate by driving the motor, and the upper substrate and the lower substrate on the screw move toward each other, driving the probes on the substrate to simultaneously detect the upper and lower end surfaces of the fixed circuit board, which can greatly improve the inspection efficiency of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 This is a schematic diagram of the connection between the circuit board fixing frame and the conveying platform of the utility model.

[0011] Figure 3 This is another connection diagram of the circuit board fixing frame and the conveying platform of the utility model.

[0012] Figure 4 This is a cross-sectional view of the connection between the main board and the movable board of the base plate of the utility model.

[0013] In the figure: 1. driving motor; 2. supporting column; 4. upper base plate; 5. lower base plate; 6. probe; 7. circuit board fixing frame; 8. conveying platform; 8.1. through slot; 9. frame seat plate; 10. main board; 11. movable plate; 12. screws. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] See also Figure 1-4The utility model discloses a flexible circuit board line detection device, comprising a conveying mechanism, a support column 2 and a driving mechanism, the support column 2 is arranged on the side of the conveying mechanism, the driving mechanism comprises a driving motor 1, a screw rod 3, an upper base plate 4 and a lower base plate 5, the driving motor 1 is arranged at the top of the supporting column 2, the output end of the driving motor 1 is connected to the screw rod 3, the screw rod 3 rotates vertically on the supporting column 1, an upper thread segment and a lower thread segment with opposite spiral directions are arranged on the screw rod 3, one end of the upper base plate 4 is threadedly connected to the upper thread segment, and the other end extends in the width direction of the conveying mechanism, one end of the lower base plate 5 is threadedly connected to the lower thread segment, and the other end extends in the width direction of the conveying mechanism, the conveying mechanism can adopt a chain plate conveyor, the upper base plate 4 and the lower base plate 5 are respectively arranged above and below the conveying mechanism, the upper base plate 4 and the lower base plate 5 are both provided with a probe 6 for detection, the conveying mechanism is provided with a conveying platform 8, a circuit board fixing frame 7 is arranged on the conveying platform 8, and a coaxial pinhole is arranged on the bottom plate of the circuit board fixing frame 7 and the conveying platform 8 at the bottom plate.

[0016] When the utility model is implemented, the conveying platform 8 has a going section and a returning section, the upper base plate 4 is located above the going section, the lower base plate 5 is located between the going section and the returning section, the probe 6 of the upper base plate 4 faces downward, and the probe 6 of the lower base plate 5 faces upward. The upper base plate 4 and the lower base plate 5 both include a main board 10 and a movable plate 11. The main board 10 is provided with a corresponding I-shaped groove, and the cross-section of the movable plate 11 is I-shaped. The probe 6 is arranged on the upper movable plate 11, and the movable plate 11 slides in the I-shaped groove of the main board 10. The upper end of the main board 10 is provided with a screw 12 for pressing the movable plate 11, and the lower end surface of the movable plate 11 is flush with the lower end surface of the main board 10. The probe 6 is arranged on the lower end surface of the movable plate 11, and the probe 6 extends out of the main board 10. Through the detachable connection between the movable plate 11 and the main board 10, different movable plates 11 can be replaced according to different circuit boards, and the probe on the movable plate 11 is suitable for different circuit boards.

[0017] When the utility model is implemented, pinholes are provided on the bottom plates of the conveying platform 8 and the circuit board fixing frame 7, and different conveying mechanisms can be used to detect different circuit boards. A connecting plate can be extended from the side wall of the circuit board fixing frame 7, and the connecting plate and the conveying platform 8 are connected by bolts; a through groove 8.1 can also be opened on the conveying platform 8, and different frame seat plates 9 are provided at the through groove 8.1 according to different circuit board fixing frames 7. The frame seat plate 9 and the circuit board fixing frame 7 are matched, that is, a pinhole is also provided on the frame seat plate 9, and the pinhole is coaxial with the pinhole on the bottom plate of the circuit board fixing frame 7. The frame seat plate 9 is provided between the circuit board fixing frame 7 and the conveying platform 8, and the conveying platform 8 there is correspondingly provided with a through groove 8.1. This structure can use one conveying mechanism to detect circuit boards of different specifications.

[0018] When the utility model is working, sensors are provided on the conveying mechanism and the supporting columns, and the probes are connected to the detection equipment. The centralized controller of each device is automatically controlled, and the conveying mechanism stops conveying when it reaches the sensor. The driving motor is started to drive the screw rod to rotate, and the upper substrate and the lower substrate on the screw rod move toward the conveying platform of the conveying mechanism. The probes on the upper substrate and the lower substrate contact the detection points on the circuit board for detection. After completion, the driving motor drives the screw rod to rotate in the opposite direction, and the upper substrate and the lower substrate on the screw rod move in the direction away from the conveying platform of the conveying mechanism. The conveying mechanism is started to convey the next circuit board fixing frame to the detection area, and the detection is repeated.

[0019] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the utility model, which are used to illustrate the technical solution of the utility model, rather than to limit it. The protection scope of the utility model is not limited thereto. Although the utility model is described in detail with reference to the above-mentioned embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solution recorded in the above-mentioned embodiments within the technical scope disclosed by the utility model, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the utility model, and should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A flexible circuit board circuit detection device, characterized in that: It includes a conveying mechanism, a support column and a driving mechanism, wherein the support column is arranged on the side of the conveying mechanism, and the driving mechanism includes a driving motor, a screw, an upper base plate and a lower base plate, the driving motor is arranged at the top of the support column, the output end of the driving motor is connected to the screw, the screw is vertically arranged on the support column, an upper thread segment and a lower thread segment with opposite spiral directions are arranged on the screw, one end of the upper base plate is threadedly connected to the upper thread segment, and the other end extends in the width direction of the conveying mechanism, one end of the lower base plate is threadedly connected to the lower thread segment, and the other end extends in the width direction of the conveying mechanism, the upper base plate and the lower base plate are respectively arranged above and below the conveying mechanism, and both the upper base plate and the lower base plate are provided with probes for detection; the conveying mechanism is provided with a conveying platform, a circuit board fixing frame is arranged on the conveying platform, and coaxial pinholes are arranged on the bottom plate of the circuit board fixing frame and the conveying platform at the bottom plate.

2. The flexible circuit board detection device according to claim 1, characterized in that: The upper base plate and the lower base plate both comprise a main board and a movable board, the probe is arranged on the movable board, and the movable board and the main board are detachably connected.

3. The flexible circuit board detection device according to claim 2, characterized in that: The cross section of the movable plate is an I-shaped plate, a corresponding I-shaped groove is arranged on the main board, and a screw for pressing the movable plate is arranged on the upper end of the main board.

4. The flexible circuit board detection device according to claim 1, characterized in that: The circuit board fixing frame is equipped with a frame seat plate, which is arranged between the circuit board fixing frame and the conveying platform. The frame seat plate and the conveying platform are detachably connected. The frame seat plate is provided with a through hole corresponding to the pinhole, and the conveying platform corresponding to the circuit board fixing frame is provided with a through groove.

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