Automatic detection equipment for open circuit and short circuit of PCB (Printed Circuit Board)

Abstract

The utility model discloses automatic detection equipment for open circuit and short circuit of a PCB (Printed Circuit Board), which relates to the technical field of PCB detection and comprises a bearing base, the bearing base is provided with an object placing assembly and a detection assembly, a plurality of detection stations for clamping the PCBs are arranged on the turntable in a circumferential array manner; the detection assembly comprises a detection contact movably arranged on the bearing base, and the detection contact is located at the position over any detection station on the rotating disc. Through the arrangement of the object placing assembly, during detection, a plurality of PCBs to be detected can be placed at the same time through the object placing assembly, then the plurality of PCBs can be detected in sequence through the detection assembly, and compared with the process that only one PCB can be grabbed and detected at a time in the prior art, the detection efficiency is improved. According to the technical scheme of the utility model, a plurality of PCBs can be placed on the object placing assembly at a time, so that the subsequent detection is facilitated, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board detection, in particular to an automatic detection device for open and short circuits of PCB boards. Background Art

[0002] PCB boards are an important part of the development and production of electronic systems. Their quality directly affects the quality of the entire equipment. A long production cycle will affect the debugging progress and delivery time of the entire machine.

[0003] The Chinese utility model with the publication number CN214683004U proposes: a PCB board open-short circuit automatic detection machine, the detection machine includes a base, a grabbing mechanism and a detection mechanism, one side of the base is provided with a side groove, the grabbing mechanism is arranged on the top surface of the base, and is used to grab the PCB board to facilitate the PCB board to be picked up, and the detection mechanism is arranged on the top surface of the base, and is used to detect the PCB board. By adopting the above technical scheme, the PCB board can be conveniently grabbed by the grabbing mechanism, and the efficiency of detecting the PCB board is improved. The PCB board can be detected by the detection mechanism, and qualified and unqualified products of the PCB board can be detected, and the PCB board can be classified. Preferably, the internal active card of the side groove is connected with a storage box, one side of the storage box is provided with a movable groove, one side of the movable groove is connected with a hinge, and a movable plate is arranged inside the movable groove, and the movable plate is movably connected through the hinge, and a handle groove is provided on one side of the movable plate, and a bottom groove is provided at the bottom of the storage box, and a first electric push rod is fixedly connected inside the bottom groove, and a push plate is fixedly connected at one end of the first electric push rod shaft. By adopting the above technical solution, the PCB board that needs to be tested can be placed in the storage box, and the staff can open the movable plate to put the PCB board into the storage box. The push plate can be pushed to move by the first electric push rod, and the PCB board in the storage box can be pushed out from the inside to the surface of the device through the push plate.

[0004] However, the above-mentioned prior art still has shortcomings: although the PCB board is grabbed by the grabbing mechanism, in the process from grabbing the PCB board to testing the PCB board, since only a single PCB board can be grabbed at a time, the efficiency of testing per unit time is still low. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an automatic short circuit detection device for PCB boards, which solves the problem that the detection efficiency is still low in the prior art by setting a grabbing mechanism to grab and detect a single PCB board.

[0006] To achieve the above object, the utility model proposes a PCB board open and short circuit automatic detection device, including a bearing base, on which a storage component and a detection component are arranged, wherein:

[0007] The storage assembly comprises a turntable rotatably mounted on a bearing base, and a plurality of detection stations for clamping PCB boards are arranged in a circumferential array on the turntable;

[0008] The detection assembly includes a detection contact movably arranged on a bearing base, and the detection contact is located directly above any detection station on the turntable. When a PCB board is placed on the detection station, the detection contact is used to contact the point to be detected on the PCB board.

[0009] As a further solution of the utility model: a plurality of the inspection stations are fixedly provided with a clamp, and the clamp is used to clamp the PCB board.

[0010] As a further solution of the utility model: the clamp includes a circular ring fixedly set on the detection station, a plurality of clamping plates are movably set on the inner side of the circular ring, and a clamping area with adjustable size is formed between the plurality of clamping plates, a plurality of springs are fixedly set on the inner side of the circular ring, and the plurality of springs are respectively arranged in one-to-one correspondence with the plurality of clamping plates, and the plurality of springs are used to make the plurality of clamping plates have a tendency to move closer to each other.

[0011] As a further solution of the utility model: a rotating shaft is rotatably arranged on the bearing base, the turntable is coaxially arranged on the rotating shaft, a driven gear is fixedly sleeved on the rotating shaft, a driving motor is fixedly arranged on the bearing base, a driving gear is fixedly arranged on the output shaft of the driving motor, and the driving gear is meshed with the driven gear for transmission.

[0012] As a further solution of the utility model: a plurality of support rods are fixedly arranged on the bearing base, a frame is fixedly arranged on the top of the plurality of support rods, and the detection contact is movably arranged on the frame.

[0013] As a further solution of the utility model: the detection component also includes an electric telescopic rod, the fixed end of the electric telescopic rod is fixedly arranged on the frame, a hard gasket is fixedly arranged on the piston rod of the electric telescopic rod, and the detection contact is arranged on the hard gasket.

[0014] As a further solution of the utility model: a multi-layer rubber gasket is arranged between the electric telescopic rod and the hard gasket.

[0015] As a further solution of the utility model: the detection component also includes a battery arranged inside the frame and a flashlight arranged on the frame, and the battery is connected to the flashlight and the detection contact.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] By setting up a storage component, during detection, multiple PCB boards to be detected can be placed on the storage component at the same time, and then the detection component can be used to detect and process the multiple PCB boards in turn. Compared with the process of grabbing and detecting only one PCB board at a time in the prior art, the technical solution of the utility model can place multiple PCB boards on the storage component at a time, which is convenient for subsequent detection and improves the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall structure of the electric telescopic rod and the detection contact in the utility model;

[0020] Figure 3 This is a schematic diagram of the top view of the turntable in the utility model;

[0021] Figure 4 It is a schematic diagram of the meshing structure of the driven gear and the driving gear in the utility model.

[0022] In the figure: 1. bearing base; 2. turntable; 3. detection contact; 4. ring; 5. clamping plate; 6. spring; 7. rotating shaft; 8. driven gear; 9. driving gear; 10. driving motor; 11. supporting rod; 12. frame; 13. electric telescopic rod; 14. hard gasket; 15. rubber gasket; 16. flashlight. DETAILED DESCRIPTION

[0023] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-Figure 4 As shown, a PCB board open and short circuit automatic detection device includes a bearing base 1, on which a storage component and a detection component are arranged, wherein: during detection, a plurality of PCB boards to be detected can be placed simultaneously by using the storage component, and then the detection component can be used to sequentially perform detection processing on the plurality of PCB boards. Compared with the process of grabbing and detecting only one PCB board at a time in the prior art, the technical solution of the utility model can place a plurality of PCB boards on the storage component at a time, which is convenient for subsequent detection and improves the detection efficiency.

[0025] Regarding the setting of the above-mentioned central storage component, the storage component includes a turntable 2 rotatably mounted on a bearing base 1, and a plurality of detection stations for clamping PCB boards are arranged in a circumferential array on the turntable 2; a clamp is fixedly arranged on each of the plurality of detection stations, and the clamp is used to clamp the PCB board. Specifically, the clamp includes a circular ring 4 fixedly arranged on the detection station, a plurality of clamping plates 5 are movably arranged on the inner side of the circular ring 4, and a clamping area with adjustable size is formed between the plurality of clamping plates 5, a plurality of springs 6 are fixedly arranged on the inner side of the circular ring 4, and the plurality of springs 6 are respectively arranged one by one with the plurality of clamping plates 5, and the plurality of springs 6 are used to make the plurality of clamping plates 5 have a tendency to move closer to each other. Under the setting of the plurality of springs 6, the size of the clamping area can be adjusted, so as to facilitate the clamping of the PCB board.

[0026] Of course, in actual use, the clamp is not limited to the above-mentioned configuration. The clamp may also be configured as other conventional technical means in the prior art, as long as the clamp can achieve the function of clamping the PCB board.

[0027] like Figure 3-Figure 4 As shown, for the setting of the turntable 2, a rotating shaft 7 is rotatably provided on the bearing base 1, the turntable 2 is coaxially provided on the rotating shaft 7, a driven gear 8 is fixedly sleeved on the rotating shaft 7, a driving motor 10 is fixedly provided on the bearing base 1, a driving gear 9 is fixedly provided on the output shaft of the driving motor 10, and the driving gear 9 is meshed with the driven gear 8 for transmission. When the driving motor 10 is started, the driving gear 9 can drive the driven gear 8 to rotate, thereby realizing the rotation of the rotating shaft 7 and the turntable 2. The rotation of the turntable 2 can drive the positions of multiple PCB boards thereon to move, so that the PCB boards located below it can be quickly and sequentially detected and processed by using the detection component.

[0028] like Figure 2 As shown, for the setting of the detection component in the above, the detection component includes a detection contact 3 movably set on the bearing base 1, and the detection contact 3 is located directly above any detection station on the turntable 2. When a PCB board is placed on the detection station, the detection contact 3 is used to contact the point to be detected on the PCB board. A plurality of support rods 11 are fixedly set on the bearing base 1, and a frame 12 is fixedly set on the top of the plurality of support rods 11, and the detection contact 3 is movably set on the frame 12.

[0029] Furthermore, the detection component also includes an electric telescopic rod 13, the fixed end of the electric telescopic rod 13 is fixedly arranged on the frame 12, a hard gasket 14 is fixedly arranged on the piston rod of the electric telescopic rod 13, and the detection contact 3 is arranged on the hard gasket 14; at the same time, a multi-layer rubber gasket 15 is arranged between the electric telescopic rod 13 and the hard gasket 14. When detection is required, the electric telescopic rod 13 can be used to drive the detection contact 3 at its bottom to contact the point to be detected on the PCB board, so as to judge whether the PCB board is intact. In the process of driving the detection contact 3 downward by the electric telescopic rod 13, when the detection contact 3 just contacts the PCB board, the multi-layer rubber gasket 15 does not deform, and continuing to drive the detection contact 3 downward can cause the multi-layer rubber gasket 15 to deform, that is, the detection contact 3 can be made to contact the point to be detected on the PCB board more tightly, and the detection result is more accurate.

[0030] In order to enable the staff to obtain the test results intuitively, the detection component in this embodiment also includes a battery arranged inside the frame 12 and a flash light 16 arranged on the frame 12. The battery is connected to the flash light 16 and the detection contact 3. During the detection process, if the PCB board is in a normal and qualified state, it indicates that the circuit is connected, and the flash light 16 can flash to remind the staff; if the flash light 16 does not flash, it indicates that the circuit is disconnected and the PCB board is in an unqualified state.

[0031] In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, as well as a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present utility model. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A PCB board open and short circuit automatic detection device, characterized in that: It comprises a bearing base (1), on which a storage component and a detection component are arranged, wherein: The storage assembly comprises a turntable (2) rotatably mounted on a bearing base (1), and a plurality of detection stations for clamping PCB boards are arranged in a circumferential array on the turntable (2); The detection component comprises a detection contact (3) movably arranged on a bearing base (1), and the detection contact (3) is located directly above any detection station on the turntable (2); when a PCB board is placed on the detection station, the detection contact (3) is used to contact a point to be detected on the PCB board.

2. A PCB board open and short circuit automatic detection device according to claim 1, characterized in that: A plurality of the inspection stations are fixedly provided with a clamp, and the clamp is used to clamp the PCB board.

3. A PCB board open and short circuit automatic detection device according to claim 2, characterized in that: The clamp comprises a circular ring (4) fixedly arranged on the detection station, a plurality of clamping plates (5) movably arranged inside the circular ring (4), a clamping area of ​​adjustable size being formed between the plurality of clamping plates (5), a plurality of springs (6) fixedly arranged inside the circular ring (4), and the plurality of springs (6) are respectively arranged in one-to-one correspondence with the plurality of clamping plates (5), and the plurality of springs (6) are used to make the plurality of clamping plates (5) have a tendency to move towards each other.

4. A PCB board open and short circuit automatic detection device according to any one of claims 1-3, characterized in that: A rotating shaft (7) is rotatably arranged on the bearing base (1), the rotating disk (2) is coaxially arranged on the rotating shaft (7), a driven gear (8) is fixedly sleeved on the rotating shaft (7), a driving motor (10) is fixedly arranged on the bearing base (1), a driving gear (9) is fixedly arranged on the output shaft of the driving motor (10), and the driving gear (9) is meshed with the driven gear (8) for transmission.

5. The PCB open and short circuit automatic detection device according to claim 3 is characterized in that: A plurality of support rods (11) are fixedly arranged on the bearing base (1), a frame (12) is fixedly arranged on the top of the plurality of support rods (11), and the detection contact (3) is movably arranged on the frame (12).

6. A PCB board open and short circuit automatic detection device according to claim 5, characterized in that: The detection assembly further comprises an electric telescopic rod (13), the fixed end of the electric telescopic rod (13) being fixedly arranged on the frame (12), a hard gasket (14) being fixedly arranged on the piston rod of the electric telescopic rod (13), and the detection contact (3) being arranged on the hard gasket (14).

7. The PCB open and short circuit automatic detection device according to claim 6, characterized in that: A multi-layer rubber gasket (15) is arranged between the electric telescopic rod (13) and the hard gasket (14).

8. A PCB board open and short circuit automatic detection device according to claim 6 or 7, characterized in that: The detection component also includes a storage battery arranged inside the frame (12) and a flash light (16) arranged on the frame (12); the storage battery is connected to the flash light (16) and the detection contact (3).

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