A PCB circuit board leak detection device

Abstract

The utility model relates to the technical field of circuit board detection, in particular to a PCB circuit board leak detection device, comprising a bottom plate, a vertical plate fixedly connected to the top of the bottom plate, a driving motor installed on the side of the vertical plate, a cylinder fixedly connected to the output end of the driving motor, the cylinder extending into the vertical plate and rotatably connected to the vertical plate, a clamping plate slidably connected to the side of the cylinder, a screw connected to the external thread of the cylinder, the bottom of the screw abuts against the clamping plate, and the side of the clamping plate abuts against the circuit board; by setting an electric telescopic rod, a slide plate, a card slot, a friction ball, a connecting plate and a brush for coordinated use, the electric telescopic rod can be used to drive the slide plate and the brush to move cyclically, and then the debris on the surface of the circuit board can be cleared by the brush, so as to avoid the existence of the debris affecting the comprehensiveness of the circuit board leak detection, and improve the accuracy of the circuit board detection, and at the same time, when the brush and the connecting plate are damaged after long-term use, they can also be easily replaced.

Description

Technical Field

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

[0002] The circuit board is composed of integrated circuits, quartz oscillators, fine-tuning capacitors and printed circuit boards. The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. In electronic equipment, it is mainly used to connect various electronic components and plays the role of structural support.

[0003] A printed circuit board with high leak detection accuracy, with the Chinese authorized announcement number CN213638353U, can perform effective V-CUT leak detection on the circuit board by setting process edges at the upper and lower ends of the circuit board body, or setting process edges at the left and right ends of the circuit board body, thereby improving the accuracy of detection, greatly reducing the probability of missed detection, and being more practical. At least two groups of welding pads are used for leak detection, which improves the detection efficiency and reduces the probability of missed detection. In addition, a first reinforcing rib and a fourth reinforcing rib are set to connect the process edge to the circuit board body, which does not affect the connection strength, reduces the weight of the circuit board, and facilitates the subsequent removal of the process edge.

[0004] There are still certain shortcomings in use. When there is production debris on the surface of the circuit board during circuit board inspection, the debris will block the circuit board. If the debris cannot be removed from the surface of the circuit board, the comprehensiveness of the circuit board inspection will be reduced, and missed inspections will occur. The location of the solder joint cannot be discovered in time, and the detection accuracy of the detection device is limited. Utility Model Content

[0005] The purpose of the utility model is to provide a PCB circuit board leak detection device to solve the problem raised in the above background technology that when there are production debris on the surface of the circuit board during the circuit board detection, the debris will block the circuit board. If the debris cannot be removed from the surface of the circuit board, the comprehensiveness of the circuit board detection will be reduced, and then missed detection will occur, and the location of the leak cannot be found in time, which limits the detection accuracy of the detection device.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A PCB circuit board leak detection device comprises a base plate, the top of the base plate is fixedly connected to a vertical plate, the side of the vertical plate is installed with a driving motor, the output end of the driving motor is fixedly connected to a cylinder, the cylinder extends into the vertical plate and is rotatably connected to the vertical plate, the side of the cylinder is slidably connected to a clamping plate, the external thread of the cylinder is connected with a screw, the bottom of the screw abuts against the clamping plate, the side of the clamping plate abuts against a circuit board, an electric telescopic rod is installed on the side of the base plate, the side of the electric telescopic rod is fixedly connected to a slide plate, a slot is provided in the slide plate, and a friction ball is fixedly connected to the inner wall of the slot.

[0008] As a preferred solution of the utility model, a connecting plate is provided on the top of the skateboard, the bottom of the connecting plate extends into the slot and abuts against the friction ball, and a brush is fixedly connected to the top of the connecting plate, and the brush is provided at the bottom of the circuit board.

[0009] As a preferred solution of the utility model, the sides of the bottom plate are fixedly connected with a display screen and an alarm light respectively, the top of the bottom plate is fixedly connected with a top plate, and the side of the top plate is installed with a slow motor.

[0010] As a preferred solution of the utility model, a disc is fixedly connected to the output end of the slow motor, a round rod is fixedly connected to the surface of the disc, and a movable plate is slidably connected inside the top plate.

[0011] As a preferred solution of the utility model, the side of the movable plate is fixedly connected with a push rod, and the side of the push rod is fixedly connected with a ring, the ring is arranged outside the round rod, and the round rod extends into the ring and is slidably connected with the ring.

[0012] As a preferred solution of the utility model, a camera is fixedly connected to the bottom of the movable plate, and the camera is electrically connected to the display screen.

[0013] As a preferred solution of the utility model, a support seat is fixedly connected to the bottom of the base plate, and anti-slip grooves are provided on the bottom of the support seat.

[0014] As a preferred solution of the utility model, a plurality of friction balls are provided, the plurality of friction balls are evenly distributed in the slot at equal angles, and the plurality of friction balls have the same size.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, by setting the coordinated use of the electric telescopic rod, the slide plate, the card slot, the friction ball, the connecting plate and the brush, the electric telescopic rod can drive the slide plate and the brush to move in a circular motion, and then the debris on the surface of the circuit board can be removed by the brush, so as to avoid the existence of the debris affecting the comprehensiveness of the circuit board detection of welding leaks, and improve the accuracy of the circuit board detection. At the same time, when the brush and the connecting plate are damaged after long-term use, they can also be easily replaced.

[0017] 2. In the utility model, by setting up a slow motor, a disc, a round rod, a ring, a stop rod, a movable plate, a camera, a display screen and an alarm light for coordinated use, the surface of the circuit board can be photographed by the camera and then displayed on the display screen, so that the welding position of the circuit board can be observed more intuitively to avoid the phenomenon of circuit board leakage. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0020] Figure 3 It is a structural schematic diagram of the connecting plate and the sliding plate of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the cylinder and the clamping plate of the utility model.

[0022] In the figure: 1, bottom plate; 2, electric telescopic rod; 3, support base; 4, display screen; 5, warning light; 6, driving motor; 7, cylinder; 8, screw; 9, vertical plate; 10, clamping plate; 11, circuit board; 12, top plate; 13, moving plate; 14, slow motor; 15, disc; 16, ring; 17, round rod; 18, push rod; 19, camera; 20, skateboard; 21, connecting plate; 22, brush; 23, friction ball; 24, slot. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] For examples, see Figure 1-4 , the utility model provides a technical solution:

[0025] A PCB circuit board leak detection device comprises a bottom plate 1, a vertical plate 9 is fixedly connected to the top of the bottom plate 1, a driving motor 6 is installed on the side of the vertical plate 9, a cylinder 7 is fixedly connected to the output end of the driving motor 6, the cylinder 7 extends into the vertical plate 9 and is rotatably connected to the vertical plate 9, a clamping plate 10 is slidably connected to the side of the cylinder 7, a screw 8 is threadedly connected to the external thread of the cylinder 7, the bottom of the screw 8 abuts against the clamping plate 10, a circuit board 11 is abutted against the side of the clamping plate 10, an electric telescopic rod 2 is installed on the side of the bottom plate 1, a slide plate 20 is fixedly connected to the side of the electric telescopic rod 2, a card slot 24 is opened in the slide plate 20, and a friction ball 23 is fixedly connected to the inner wall of the card slot 24.

[0026] In this embodiment, Figure 2 and Figure 4 As shown, a connecting plate 21 is provided on the top of the skateboard 20, and the bottom of the connecting plate 21 extends into the card slot 24 and abuts against the friction ball 23. A brush 22 is fixedly connected to the top of the connecting plate 21, and the brush 22 is arranged at the bottom of the circuit board 11. The sides of the bottom plate 1 are respectively fixedly connected with a display screen 4 and an alarm light 5. The top of the bottom plate 1 is fixedly connected with a top plate 12, and a slow motor 14 is installed on the side of the top plate 12. The output end of the slow motor 14 is fixedly connected with a disc 15, and the surface of the disc 15 is fixedly connected with a round rod 17. A movable plate 13 is slidably connected in the top plate 12.

[0027] Among them, the electric telescopic rod 2 can be used to drive the slide plate 20 and the brush 22 to move in a circular motion, and then the debris on the surface of the circuit board 11 can be removed by the brush 22, so as to avoid the presence of debris affecting the comprehensiveness of the detection of welding leaks on the circuit board 11, thereby improving the accuracy of the detection of the circuit board 11. At the same time, when the brush 22 and the connecting plate 21 are damaged after long-term use, they can also be easily replaced.

[0028] In this embodiment, Figure 1 and Figure 3 As shown, a side of the movable plate 13 is fixedly connected with a push rod 18, and a side of the push rod 18 is fixedly connected with a ring 16, which is arranged on the outside of a round rod 17, and the round rod 17 extends into the ring 16 and is slidably connected with the ring 16. A camera 19 is fixedly connected to the bottom of the movable plate 13, and the camera 19 is electrically connected to the display screen 4. A support seat 3 is fixedly connected to the bottom of the bottom plate 1, and an anti-slip groove is provided on the bottom of the support seat 3. A plurality of friction balls 23 are provided, and the plurality of friction balls 23 are evenly distributed in the card slot 24 at equal angles, and the plurality of friction balls 23 have the same size.

[0029] The surface of the circuit board 11 can be photographed by the camera 19 and then displayed on the display screen 4, so that the welding position of the circuit board 11 can be observed more intuitively to avoid the phenomenon of soldering failure of the circuit board 11.

[0030] The working process of the utility model is as follows: when the PCB circuit board leak soldering detection device designed by the present invention is working, the clamping plate 10 is slid in the cylinder 7 according to the actual size of the circuit board 11, and then the screw 8 is rotated to fix the clamping plate 10 through the screw 8. At this time, the clamping plate 10 is in contact with the circuit board 11, and then the switch of the driving motor 6 is turned on to rotate the surface of the circuit board 11 to be detected to contact with the brush 22, and then the switch of the electric telescopic rod 2 is turned on, and the slide plate 20, the connecting plate 21 and the brush 22 are driven by the electric telescopic rod 2 to move in a circular manner, and the impurities on the surface of the circuit board 11 can be removed by the brush 22 to avoid In order to avoid the presence of impurities that affect the comprehensiveness of the leak detection of the circuit board 11, after the impurities on the circuit board 11 are removed, the circuit board 11 is rotated to the position relative to the camera 19 by the driving motor 6, and then the switch of the slow motor 14 is turned on, and the disc 15 and the round rod 17 are driven to rotate by the slow motor 14, and the ring 16, the support rod 18, and the camera 19 are driven to move by the round rod 17. The surface of the circuit board 11 can be photographed by the camera 19, and the photographed image of the circuit board 11 is displayed on the display screen 4. When a leak is found on the surface of the circuit board 11, the alarm light 5 flashes, and the leak detection of the circuit board 11 is completed.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PCB circuit board solder leak detection device, comprising a bottom plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a vertical plate (9), a driving motor (6) is installed on the side of the vertical plate (9), an output end of the driving motor (6) is fixedly connected to a cylinder (7), the cylinder (7) extends into the vertical plate (9) and is rotatably connected to the vertical plate (9), a clamping plate (10) is slidably connected to the side of the cylinder (7), a screw (8) is connected to the external thread of the cylinder (7), the bottom of the screw (8) abuts against the clamping plate (10), the side of the clamping plate (10) abuts against a circuit board (11), an electric telescopic rod (2) is installed on the side of the base plate (1), a slide plate (20) is fixedly connected to the side of the electric telescopic rod (2), a slot (24) is provided in the slide plate (20), and a friction ball (23) is fixedly connected to the inner wall of the slot (24).

2. A PCB circuit board welding leak detection device according to claim 1, characterized in that: A connecting plate (21) is arranged on the top of the slide plate (20), the bottom of the connecting plate (21) extends into the slot (24) and abuts against the friction ball (23), and a brush (22) is fixedly connected to the top of the connecting plate (21), and the brush (22) is arranged on the bottom of the circuit board (11).

3. A PCB circuit board welding leak detection device according to claim 1, characterized in that: The sides of the bottom plate (1) are respectively fixedly connected with a display screen (4) and an alarm light (5), the top of the bottom plate (1) is fixedly connected with a top plate (12), and a slow-speed motor (14) is installed on the side of the top plate (12).

4. A PCB circuit board welding leak detection device according to claim 3, characterized in that: The output end of the slow motor (14) is fixedly connected to a disc (15), the surface of the disc (15) is fixedly connected to a round rod (17), and a moving plate (13) is slidably connected inside the top plate (12).

5. A PCB circuit board welding leak detection device according to claim 4, characterized in that: The side of the movable plate (13) is fixedly connected with a support rod (18), and the side of the support rod (18) is fixedly connected with a collar (16). The collar (16) is arranged outside the round rod (17), and the round rod (17) extends into the collar (16) and is slidably connected with the collar (16).

6. A PCB circuit board welding leak detection device according to claim 4, characterized in that: A camera (19) is fixedly connected to the bottom of the movable plate (13), and the camera (19) is electrically connected to the display screen (4).

7. A PCB circuit board welding leak detection device according to claim 1, characterized in that: The bottom of the base plate (1) is fixedly connected to a support seat (3), and the bottom of the support seat (3) is provided with anti-slip grooves.

8. A PCB circuit board welding leak detection device according to claim 1, characterized in that: A plurality of the friction balls (23) are provided, and the plurality of the friction balls (23) are evenly distributed in the slot (24) at equal angles, and the plurality of the friction balls (23) have the same size.

Images