PCBA board detection equipment

Abstract

The application discloses a PCBA board detection equipment, which comprises a platform, a pin connector with a socket is fixedly arranged on the platform, the socket is matched with a pin on a PCBA board, the pin connector is connected with a detection system capable of detecting all functions of the PCBA board and outputting a detection result, a tray is connected to the platform through a buffer structure, a PCBA board limiting groove is arranged on the tray, a pin opening hole of the PCBA board limiting groove is arranged at the bottom of the PCBA board limiting groove, a lifting mechanism is arranged on the platform, an execution end of the lifting mechanism is connected with a pressing plate capable of pressing the PCBA board, the pressing plate is pressed by the lifting mechanism to press the PCBA board, the pin is inserted into the socket of the pin connector, a fixing piece is arranged on the pressing plate, an electromagnet with a push rod in a vertical state is fixed on the fixing piece, a pressing needle capable of pressing a button on the PCBA board is connected to the lower end of the push rod through a connecting piece, a through hole is arranged on the pressing plate and corresponds to the pressing needle, the push rod is pushed downward to press the button on the PCBA board; and the equipment realizes function detection of the PCBA board.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of PCBA board, and particularly relates to a PCBA board detection equipment. BACKGROUND

[0002] The PCBA board is a structure including a printed circuit board (PCB), a through-hole part, an SMT (surface mount technology) component and the like, the PCBA board has a program inside and buttons and LED lamps on the surface, and various functions are output by the PCBA board through pin rows when the buttons are pressed, and the LED lamps are bright. The new PCBA board only performs appearance detection in the past, and whether the function (program) is complete cannot be detected, and whether the brightness of the LED lamp meets the standard also cannot be detected. Although the patent with the patent name of a function test device for smart card chip and the publication number of CN 210775746 U discloses that the chip function detection mechanism 3 includes a fixed plate 31 fixed and supported through a stand 5, a display screen 32 for displaying detection results is fixedly installed on the upper part of the fixed plate 31, a detection plate 34 is connected to the lower surface of the fixed plate 31 through a first air cylinder 33, and detection probes 35 are arranged on the lower surface of the detection plate 34, but the specific detection method is not clear. SUMMARY

[0003] Therefore, the present application aims to provide a PCBA board detection equipment to at least solve the technical problem of function detection of the PCBA board.

[0004] The purpose of the present application is achieved by the following technical scheme:

[0005] A PCBA board detection equipment, which comprises a platform, a pin connector with a socket is fixedly arranged on the platform, the socket is matched with a pin on a PCBA board, the pin connector is connected with a detection system capable of detecting all functions of the PCBA board and outputting detection results, a tray is connected to the platform through a buffer structure, a PCBA board limiting groove is arranged on the tray, an opening is arranged on the bottom of the PCBA board limiting groove and corresponds to the pin of the PCBA board in the PCBA board limiting groove, a lifting mechanism is arranged on the platform, an execution end of the lifting mechanism is connected with a pressing plate capable of pressing the PCBA board, the pin is inserted into the socket of the pin connector when the pressing plate of the lifting mechanism is lowered to press the PCBA board, a fixing piece is arranged on the pressing plate, an electromagnet with a push rod in a vertical state is fixed on the fixing piece, a pressing needle capable of pressing a button on the PCBA board is connected to the lower end of the push rod through a connecting piece, a through hole is arranged on the pressing plate and corresponds to the pressing needle, and the push rod is pushed downward to press the button on the PCBA board.

[0006] Further, the connecting piece is provided with a brightness detection sensor for detecting the brightness of the LED lamp on the PCBA board, the brightness detection sensor is connected to a detection system, and the pressing plate is provided with an opening hole corresponding to the detection path of the brightness detection sensor.

[0007] Further, the lower side of the pressing plate is provided with a light isolation cover which can cover the LED lamp, and the light isolation cover is provided with an opening hole corresponding to the detection path of the detection sensor.

[0008] Further, the connecting piece comprises a push block fixedly arranged on the lower end of the push rod, the connecting piece further comprises a pressing block fixedly connected with the pressing plate, and the connecting piece further comprises at least two spring type keys, the fixed part of the spring type key is fixedly arranged on the pressing block, the movable part penetrates through the through hole arranged on the pressing plate and is opposite to the push block, and the pressing needle is connected to the upper part of the movable part and penetrates through the through hole arranged on the fixed part.

[0009] Further, the fixed part is an inner cylinder, the movable part comprises an outer cylinder provided with a limiting block on the top, the outer cylinder is movably sleeved on the inner cylinder, a compression spring is sleeved on the outer cylinder between the limiting block and the pressing plate, and the pressing needle is connected to the inner top surface of the outer cylinder and penetrates through the inner cylinder.

[0010] Further, the bottom surface of the pressing block is fixedly provided with a protective cover which can cover the PCBA board and is inserted into the gap between the PCBA board and the limiting groove of the PCBA board, and the bottom of the fixed part and the bottom of the light isolation cover are fixed on the protective cover.

[0011] Further, the lifting mechanism comprises a fixing frame, the fixing frame comprises a cross beam, the lifting mechanism is a gas cylinder, and the cylinder barrel of the gas cylinder is fixed on the cross beam and the execution end is located at the lower part of the cylinder barrel.

[0012] Further, a guide rod is arranged between the cross beam and the platform, and the pressing plate is slidably connected to the first guide rod through the connecting structure.

[0013] Further, the buffer structure comprises a plurality of spring rods.

[0014] Further, the detection system comprises a counting module for counting the qualified PCBA boards.

[0015] The beneficial effects of the present application are as follows:

[0016] The PCBA board detection equipment of the application, in use, first makes the air cylinder contract, takes the pressing plate and the components on the pressing plate to rise, puts the PCBA board on the PCBA board limiting groove on the tray, then makes the air cylinder elongate, takes the pressing plate and the components on the pressing plate to descend, makes an electromagnet act, the push rod of the electromagnet pushes the connecting piece to make the pressing needle press the button on the PCBA board, the detection system detects whether the signal output of the pin connector is, if yes, judges that the PCBA board has the function corresponding to the button, the push rod of the electromagnet resets, and the pressing needle also restores to the original position, detects whether the functions corresponding to other buttons of the PCBA board are all by the above-mentioned mode, if yes, judges that the function of the PCBA board is qualified, and the detection system outputs that the function of the PCBA board is qualified, if not, judges that the PCBA board does not have the function corresponding to the button, thereby it can be judged that the PCBA board is unqualified, and it is not necessary to detect again, and the detection system outputs that the function of the PCBA board is unqualified, the equipment realizes the function detection of the PCBA board.

[0017] Presses the button on the PCBA board by the above-mentioned mode, the LED lamp corresponding to the button is bright, the brightness detection sensor detects whether the brightness of the LED lamp is enough, if yes, the detection system outputs that the PCBA board product is qualified, if not, the detection system outputs that the PCBA board product is unqualified, and the equipment also realizes the LED lamp brightness detection of the PCBA board.

[0018] Avoids the influence of adjacent LED lamps or other light sources on the LED lamp brightness detection through the light isolation cover.

[0019] Through the setting of the push block, the pressing block and the at least two spring type keys, at least two keys with the same function can be pressed by one electromagnet at the same time, and the detection efficiency is improved.

[0020] Protects the PCBA board through the setting of the protective cover.

[0021] Counts the qualified PCBA boards through the setting of the counting module.

[0022] Other advantages, objects and features of the present application will be apparent from the following specification and claims, and will be learned from practice of the present application. The objects and other advantages of the present application can be achieved and obtained by the following specification and claims. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with the drawings, in which:

[0024] Figure 1 It is a perspective view of the present application.

[0025] Figure 2 It is aFigure 1 Enlarged view of middle A part.

[0026] Figure 3 For Figure 1 Connection perspective view of middle pressure plate, pressure block, protective cover, PCBA board, tray, and pin connector.

[0027] Figure 4 For Figure 1 First perspective view of middle protective cover.

[0028] Figure 5 For Figure 1 Second perspective view of middle protective cover.

[0029] Figure 6 For Figure 1 Perspective view of middle tray.

[0030] In the figure: platform 1, crossbeam 2, air cylinder 3, first guide rod 4, pressure plate 5, electromagnet 6, push rod 7, push block 8, outer cylinder 9, limit block 10, compression spring 11, pressure block 12, protective cover 13, inner cylinder 14, light isolation cover 15, pin connector 16, tray 17, second guide rod 18, guide sleeve 19, spring type telescopic rod 20, PCBA board limit groove 21, PCBA board 22, display 23, detection box 24. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present application, and are not intended to limit the protection scope of the present application.

[0032] As Figure 1As shown, a PCBA board detection equipment, it includes the bottom box, the top surface of bottom box is platform 1, platform 1 is equipped with the left vertical plate, right vertical plate and rear vertical plate connected, left vertical plate and right vertical plate support crossbeam 2, left vertical plate, right vertical plate, rear vertical plate and crossbeam 2 constitute fixed frame, crossbeam 2 is equipped with cylinder fixed vertical plate, the front side of cylinder fixed vertical plate is flush with the front side of crossbeam 2, the rear side of cylinder fixed vertical plate is vertically equipped with connecting vertical plate in the middle, the front side of cylinder fixed vertical plate is vertically fixed with the cylinder barrel of cylinder 3, the execution end of cylinder 3 is located below the cylinder barrel, the execution end of cylinder 3 is vertically connected with connecting plate, connecting plate is connected with horizontal fixed plate, fixed plate is equipped with guide hole respectively at both ends, the protruding part of two guide sleeves is located in two guide holes respectively, the both ends of crossbeam 2 and platform 1 are respectively equipped with first guide rod 4, two guide sleeves are respectively slidably sleeved on two first guide rods 4, fixed plate is connected with horizontal pressing plate 5, the front part of pressing plate 5 protrudes from fixed plate and forms protruding part, the protruding part of pressing plate 5 is equipped with left side plate, right side plate and rear side plate, the front side of rear side plate is evenly spaced in left-right direction and is fixed with multiple electromagnets 6, the push rod 7 of electromagnet 6 is in vertical state, the lower end of push rod 7 is vertically connected with push block 8, multiple groups of larger size through holes are vertically arranged on pressing plate 5 along left-right direction, multiple groups of through holes correspond to multiple electromagnets 6 one by one, each group of through holes includes two through holes, two through holes are respectively located below the left end and the right end of push block 8, two through holes are respectively equipped with outer cylinder 9, the top surface of outer cylinder 9 is vertically equipped with limit block 10, the outer cylinder 9 is sleeved with compression spring 11 between limit block 10 and pressing block, two brightness detection sensors or one brightness detection sensor are arranged on the lower middle part of push block 8, two brightness detection sensors are arranged along the front-rear direction of push block 8, a smaller size through hole is opened on pressing plate 5 corresponding to each brightness detection sensor, acrylic plate is connected below pressing plate 5, acrylic plate is connected with horizontal pressing block 12, pressing block 12 overlaps with the protruding part of pressing plate 5, downward opening protective cover 13 is connected below pressing block 12, multiple vertical inner cylinders 14 are fixed on the top surface of protective cover 13 from left to right, multiple inner cylinders 14 correspond to multiple electromagnets 6 one by one, each group of inner cylinders 14 includes two inner cylinders 14, both ends of inner cylinder 14 are opened, the lower end opening of inner cylinder 14 communicates with the inner side of protective cover 13, vertical light isolation cover 15 is connected between two inner cylinders 14 of each group on protective cover 13, the number of total light isolation cover 15 is consistent with the number of brightness detection sensors and the number of LED lamps on PCBA board, both ends of light isolation cover 15 are opened, the lower end opening of light isolation cover 15 communicates with the inner side of protective cover 13, a through hole is opened on pressing block 12 corresponding to inner cylinder 14 and light isolation cover 15 on protective cover 13, inner cylinder 14 and light isolation cover 15 on protective cover 13 extend into the through hole on pressing block 12, outer cylinder 9 on pressing plate 5 is movably sleeved on inner cylinder 14 on protective cover 13, the aperture of through hole on pressing block 12 corresponding to inner cylinder 14 is larger than the outer diameter of outer cylinder 9, limit block 10, outer cylinder 9, inner cylinder 14 and compression spring 11 constitute spring type key,The outer cylinder 9 is vertically connected with a pressing needle with a pointed end downward on the inner top wall, the rear side of the rear vertical plate on the platform 1 is provided with a back plate, a cover plate is arranged between the top of the back plate and the rear vertical plate, the space formed by the back plate, the rear vertical plate and the cover plate is provided with an electromagnetic valve for controlling the air cylinder 3, the back plate is fixed on the platform, the rear side of the platform and the bottom box is connected through a hinge, the platform is turned upward, the bottom box can be opened, and the disassembly, repair and maintenance of the connecting wire and the like are facilitated.

[0033] The space formed by the left stand plate, the right stand plate and the rear stand plate is provided with a pin header connector 16 with a socket on the platform 1, the socket of the pin header connector 16 faces upward, the socket is matched with the pin on the PCBA board, the pin header connector 16 is connected with the detection system through a connecting line, the connecting line is located in the bottom box, a tray 17 is arranged between the protective cover 13 and the platform 1, four second guide rods 18 are vertically arranged at the lower side of the four corners of the tray 17 respectively, a guide sleeve 19 is sleeved on the second guide rod 18, the guide sleeve 19 is fixed on the platform 1 and the protruding part thereof extends into the through hole arranged on the platform 1, the second guide rod 18 plays a guiding role on the tray 17, a plurality of spring type telescopic rods 20 are connected between the tray 17 and the platform 1, the spring type telescopic rod 20 plays a buffering role on the tray 17, a PCBA board limiting groove 21 with an open top is arranged on the tray 17, the PCBA board limiting groove 21 is used for placing the PCBA board 22 and is matched with the PCBA board 22, the PCBA board 22 cannot move horizontally after being placed into the PCBA board limiting groove 21, and there is a gap between the circumference of the PCBA board 22 and the circumference of the PCBA board limiting groove 21, the bottom of the PCBA board limiting groove 21 is open to the pin of the PCBA board 22 in the PCBA board limiting groove 21, the circumference of the protective cover 13 can be inserted into the gap between the PCBA board 22 and the PCBA board limiting groove 21, the cylinder 3 is elongated, the circumference of the protective cover 13 is inserted into the gap between the PCBA board limiting groove 21 and the PCBA board 22, the cylinder 3 continues to be elongated, the inner top surface of the protective cover 13 is attached to the PCBA board 22, each inner cylinder 14 on the protective cover 13 is covered on each button of the PCBA board 22, each light isolation cover 15 is covered on each LED lamp of the PCBA board 22, the cylinder 3 continues to be elongated, the tray 17 is forced to move downward, the pin of the PCBA board 22 on the tray 17 is inserted into the socket of the pin header connector 16, power is supplied, an electromagnet 6 is started, the push rod 7 of the electromagnet 6 pushes the corresponding two outer cylinders 9 with the push block 8, the compression spring 11 is compressed, the pressing needle presses the button on the PCBA board 22, the detection system detects the signal of the pin header connector 16, if yes, it is judged that the function corresponding to the button on the PCBA board 22 is qualified, then the electromagnet 6 is reset, the outer cylinder 9 is restored to the original position with the compression spring 11, the pressing needle no longer presses the button on the PCBA board 22, all the buttons on the PCBA board are detected in the above manner, if no, it is judged that the function corresponding to the button on the PCBA board 22 is unqualified, then it is judged that the PCBA board 22 is unqualified, when the functions corresponding to all the buttons of the PCBA board 22 are detected to be qualified, the electromagnet 6 is started again, the two pressing needles corresponding to the electromagnet 6 press the two buttons with the same function on the PCBA board 22, the LED lamps corresponding to the two buttons are lit, the brightness detection sensor detects the brightness of the LED lamps and transmits it to the detection system, the detection system judges whether the brightness of the LED lamps corresponding to the two buttons is qualified, if yes, the electromagnet 6 is reset, the two pressing needles corresponding to the electromagnet 6 are reset, in the above manner, whether the brightness of the LED lamps corresponding to each button on the PCBA board 22 is qualified is detected in turn,If the qualified detection system outputs the PCBA board 22 qualified, if unqualified, it is judged that the brightness of the LED lamp corresponding to the button on the PCBA board 22 is unqualified, and then it is judged that the PCBA board 22 is unqualified.

[0034] The detection system comprises a controller, a counting module, a start button, a reset button, a detection button, a display 23, a detection box 24 is arranged on the right side of the right stand plate on the platform 1, the controller, the counting module, the reset button and the display 23 are arranged on the detection box 24, the start button and the monitoring button are respectively arranged on the two sides of the bottom box, the counting module, the start button, the reset button, the detection button, the display 23, the electromagnetic valve of the air cylinder 3 and each electromagnet 6 are connected with the controller, and the electromagnetic valve of the air cylinder 3 and each electromagnet 6 are automatically controlled by the controller to act.

[0035] Pressing the start button causes cylinder 3 to retract, raising the connected components including pressure plate 5, pressure block 12, and protective cover 13, and placing PCBA board 22 into the PCBA board limiting groove 21. Pressing the detection button causes the controller to extend cylinder 3, lowering the connected components including pressure plate 5, pressure block 12, and protective cover 13, pressing down on tray 17. The pins on PCBA board 22 are inserted into the pin header connector 16. The controller then activates the first electromagnet 6 on the left. The push rod 7 of electromagnet 6 pushes the two outer cylinders 9 below it downwards via push block 8, compressing the spring. 11. Compression: The pressing pin in the outer cylinder 9 presses the first group of buttons on the left side of the PCBA board 22. When the controller receives the signal from the pin header connector 16, it displays on the screen that the function corresponding to the first group of buttons on the left side of the PCBA board 22 is qualified. Following the above method, the function corresponding to each group of buttons on the PCBA board 22 is checked sequentially. If the function corresponding to each group of buttons is qualified, the controller controls the screen to display that the PCBA board 22 is functionally qualified. Then, the controller again controls the first electromagnet 6 on the left side to start, and the two pressing pins corresponding to this electromagnet 6 press the PCBA board 22. The first set of buttons on the left side illuminates two LEDs corresponding to these two buttons. A brightness detection sensor detects the brightness of the LEDs and transmits the data to the controller. The controller determines whether the brightness of the two LEDs corresponding to these two buttons is acceptable. If acceptable, the controller controls the display to show that the brightness of the two LEDs corresponding to these two buttons is acceptable. The brightness of all LEDs on PCBA board 22 is tested sequentially in the above manner. If the brightness of all LEDs on PCBA board 22 is acceptable, the controller controls the display to show that the PCBA board is acceptable. The controller controls the counter to count, and then the controller controls the cylinder 3 to retract, removing PCBA board 22. When the controller does not receive a signal from the pin header connector 16, the display 23 shows that the function corresponding to the first set of buttons on the left side of PCBA board 22 is unacceptable. After manually pressing the reset button, the cylinder 3 retracts, removing the unacceptable PCBA board. When the controller determines that the brightness of the LED corresponding to a certain button is unacceptable, the controller controls the display 23 to show that the brightness of the LED corresponding to that button is unacceptable, indicating that PCBA board 22 is unacceptable. After manually pressing the reset button, the cylinder 3 retracts, removing the unacceptable PCBA board 22.

[0036] This inspection equipment is used to inspect 178 series PCBA boards 22. Of course, it can also be used to inspect other models of PCBA boards by changing the number of electromagnets 6, the number and position of spring-loaded buttons, the number and position of brightness detection sensors, and the shape of the PCBA board limiting groove.

[0037] In addition to cylinder 3, the lifting mechanism can also be a hydraulic cylinder, an electric telescopic rod, etc.

[0038] The push rod 7 of the electromagnet 6 can be directly connected to the pressing needle via a connecting block.

[0039] Finally, it is to be explained that the above embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the purpose and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A PCBA board detection apparatus, characterized in that: It includes a platform (1), the platform (1) is fixedly provided with a pin header connector (16) with a socket, the socket is matched with the pin on the PCBA board (22), the pin header connector (16) is connected with the detection system capable of detecting all functions of the PCBA board (22) and outputting the detection result, the platform (1) is connected with a tray (17) through a buffer structure, the tray (17) is provided with a PCBA board limiting groove (21), the bottom of the PCBA board limiting groove (21) is opened to the pin hole of the PCBA board (22) in the PCBA board limiting groove (21), the platform (1) is provided with a lifting mechanism, the execution end of the lifting mechanism is connected with a pressing plate (5) capable of pressing the PCBA board (22), the lifting mechanism lowers the pressing plate to press the PCBA board (22) so that the pin is inserted into the socket of the pin header connector (16), the pressing plate (5) is provided with a fixing part, the fixing part is fixedly provided with an electromagnet (6) with a push rod (7) in a vertical state, the lower end of the push rod (7) is connected with a pressing needle capable of pressing the button on the PCBA board (22) through a connecting piece, the pressing plate (5) is provided with a through hole corresponding to the pressing needle, the push rod (7) is pushed downward to press the button on the PCBA board (22) by the pressing needle; The connecting piece includes a push block (8) fixedly arranged on the lower end of the push rod (7), the connecting piece further includes a pressing block (12) fixedly connected with the pressing plate (5), and the connecting piece further includes at least two spring type keys, a fixed part of the spring type key is fixedly arranged on the pressing block (12), a movable part penetrates through the through hole arranged on the pressing plate (5) and is opposite to the push block (8), and the pressing needle is connected to the upper part of the movable part and penetrates through the through hole arranged in the fixed part; The fixed part is an inner cylinder (14), the movable part includes an outer cylinder (9) provided with a limiting block (10) on the top, the outer cylinder (9) is movably sleeved on the inner cylinder (14) in a top and bottom manner, a compression spring (11) is sleeved on the outer cylinder (9) between the limiting block (10) and the pressing plate (5), and the pressing needle is connected to the top surface of the outer cylinder (9) and penetrates through the inner cylinder (14); The bottom surface of the pressing block (12) is fixedly provided with a protective cover (13) capable of covering the PCBA board (22) and being inserted into the gap between the PCBA board (22) and the PCBA board limiting groove (21), and the bottom of the fixed part and the bottom of the light isolation cover (15) are fixed on the protective cover (13).

2. The PCBA board inspection apparatus of claim 1, wherein: The connecting piece is provided with a brightness detection sensor capable of detecting the brightness of the LED lamp on the PCBA board (22), the brightness detection sensor is connected with the detection system, and the pressing plate (22) is provided with an opening corresponding to the detection path of the brightness detection sensor.

3. The PCBA board inspection apparatus of claim 2, wherein: The lower side of the pressing plate (5) is provided with a light isolation cover (15) capable of covering the LED lamp, and the light isolation cover (15) is provided with an opening corresponding to the detection path of the brightness detection sensor.

4. The PCBA board inspection apparatus of claim 1, wherein: The lifting mechanism includes a fixed frame, the fixed frame includes a cross beam (2), the lifting mechanism is a gas cylinder (3), the cylinder barrel of the gas cylinder (3) is fixed on the cross beam (2), and the execution end is located at the lower part of the cylinder barrel.

5. The PCBA board inspection apparatus of claim 4, wherein: The first guide rod (4) is arranged between the crossbeam (2) and the platform (1), and the pressing plate (5) is slidably connected to the first guide rod (4) through a connecting structure.

6. The PCBA board inspection apparatus of claim 1, wherein: The buffer structure is a plurality of spring rods (20).

7. The PCBA board inspection apparatus of any of claims 1-6, wherein: The detection system comprises a counting module for counting the qualified PCBA boards (22).

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