CN108152301A - Detection marking device and method for circuit board - Google Patents

Abstract

The invention relates to the technical field of circuit board processing, in particular to a detection marking device of a circuit board and a detection marking method thereof, which comprises a rack and a controller, wherein the rack is sequentially provided with a detection device for detecting a steel sheet which is leaked to be pasted on the circuit board, a marking device for carrying out laser marking on the circuit board and an appearance inspection device for carrying out appearance inspection on the circuit board; a transferring device used for transferring the circuit board from the detecting device to the material transferring device is arranged between the detecting device and the marking device; a material receiving seat is arranged on one side of the detection device, and a material pushing device used for pushing the circuit board to the material receiving seat is arranged on the other side of the detection device; a first sensor is arranged between the marking device and the transferring device. The invention has simple structure and reasonable design, realizes the assembly line type work of detection, marking and appearance inspection, improves the working efficiency, reduces the carrying and transferring times, and saves time and labor.

Description

A circuit board detection and marking device and detection and marking method thereof

technical field

The invention relates to the technical field of circuit board processing, in particular to a circuit board detection and marking device and a detection and marking method thereof.

Background technique

In flexible circuit boards, it is often necessary to reinforce the circuit board with steel sheets. When the steel sheet is attached to the circuit board, the steel sheet is likely to be missed. When the circuit board is missing the steel sheet, it will affect the circuit board. Quality, at present, is to detect whether the missing steel sheet of the circuit board is detected by human eyes. If the position of the missing steel sheet is found, the position of the missing steel sheet is manually marked. This work is all done manually. , easy to make mistakes, and its work efficiency is low. After manually detecting the missing steel sheet, it is necessary to write down the position of the missing steel sheet, and then transfer it to another worker for marking. Transferring is time-consuming and labor-intensive.

Contents of the invention

Aiming at the problems in the prior art, the present invention provides a detection and marking device for circuit boards and a detection and marking method thereof, which realizes the assembly line work of detection, marking and appearance inspection, improves work efficiency, reduces the times of handling and transfer, and saves time and effort .

In order to solve the above technical problems, the present invention adopts the following technical solutions:

A circuit board detection and marking equipment provided by the present invention includes a frame and a controller, and the frame is sequentially provided with detection devices for detecting missing steel sheets on circuit boards, and for detecting circuit boards. A marking device for laser marking and an appearance inspection device for visual inspection of circuit boards; a material transfer device is installed below the marking device and the appearance inspection device, and a useful A transfer device for transferring the circuit board from the detection device to the material transfer device; one side of the detection device is provided with a material receiving seat, and the other side of the detection device is provided with a device for pushing the circuit board to the material receiving seat Pushing device; a first sensor is provided between the marking device and the transfer device, a second sensor is provided between the marking device and the appearance inspection device, the detection device, the marking device, the appearance inspection device, The material moving device, the transferring device, the pushing device, the first sensor and the second sensor are respectively electrically connected with the controller.

Wherein, the detection device includes a placement seat and a detection mechanism for detecting missing steel sheets on the circuit board on the placement seat, and the detection mechanism includes a detection pressure plate and a lifting cylinder for driving the detection pressure plate to reciprocate up and down , two rows of probes for detecting leakage of circuit board steel sheets are arranged side by side at the bottom of the detection pressure plate; positioning pieces for fixing circuit boards are respectively arranged on both sides of the placement seat.

Wherein, the positioning member includes a positioning seat and a pressing sheet for pressing the circuit board, the positioning seat is provided with a lifting motor and a perforation for the lifting shaft of the lifting motor to protrude, and the two sides of the perforation Balls are provided, and the end of the lifting shaft is fixedly connected with the pressing piece; the bottom of the pressing piece is provided with a rubber pad.

Wherein, the transfer device includes a first motor, a first transmission screw, a first sliding seat, a suction piece arranged on the first sliding seat, and a transfer cylinder for driving the suction piece to move up and down. A suction nozzle is provided; the first motor is in transmission connection with the first transmission screw, and the first transmission screw is in transmission connection with the first sliding seat;

The pushing device includes a pushing cylinder and a pushing plate, and the output end of the pushing cylinder is connected with the pushing plate.

Wherein, the marking device includes a first bracket, a laser generator, a CCD camera installed on one side of the laser generator, a first air cylinder for driving the laser generator to move back and forth left and right, and a first cylinder for driving the first bracket to move back and forth. The first drive mechanism, the first cylinder is installed on the first bracket;

The first drive mechanism includes a second motor, a second drive screw and a second slide, the second motor is connected to the second drive screw, and the second drive screw is driven by the second slide connected, the second sliding seat is fixedly connected with the first bracket.

Wherein, the appearance inspection device includes a first alarm, a second bracket, a camera picker, a second cylinder for driving the camera picker to move left and right, and a second drive mechanism for driving the second bracket to move back and forth , the second cylinder is installed on the second bracket;

The second drive mechanism includes a third motor, a third drive screw and a third slide seat, the third motor is in transmission connection with the third drive screw, and the third drive screw is connected to the third slide seat transmission connection, the third sliding seat is fixedly connected with the second bracket;

Both sides of the camera picker are provided with an aluminum substrate, lamp beads mounted on the aluminum substrate, and a light-transmitting plate covering the lamp beads.

Wherein, the material shifting device includes a material shifting seat, a fourth motor and a fourth transmission screw rod, the fourth motor is connected to the fourth transmission screw rod, and the material shifting seat includes a fourth sliding seat and a fourth transmission screw rod. A hollow material transfer table, an exhaust fan is installed inside the material transfer table, and several air exhaust holes are evenly arranged on the surface of the material transfer table; the bottom of the fourth sliding seat is provided with rollers for matching with the frame.

Wherein, the placement seat includes a workbench, and an auxiliary adjustment device and a control unit are arranged on the workbench, and the control unit is electrically connected to the controller. The auxiliary adjustment device includes a base, and the base is installed with PCB board, the control unit is installed on the PCB board, a working board is installed on the base, the back of the working board is provided with an inductor for sensing the pressure value of the working board, and the auxiliary adjustment device is provided with a An automatic regulator for adjusting the force on the working plate, the sensor and the automatic regulator are respectively electrically connected to the controller;

The sensor includes several pressure sensors for sensing the pressure of the working plate, and the frame is provided with several LED lamps corresponding to the pressure sensors, one pressure sensor corresponds to one LED lamp; the LED lamp and Controller electrical connection;

The control unit is provided with a low pressure threshold, a medium pressure threshold and a high pressure threshold; when the pressure sensed by the pressure sensor is lower than or equal to the low pressure threshold, the LED corresponding to the pressure sensor will display yellow; When the pressure value sensed by the pressure sensor is higher than the low pressure threshold and less than or equal to the medium pressure threshold, the LED light corresponding to the pressure sensor is green; when the pressure value sensed by the pressure sensor is higher than the medium pressure threshold And when it is less than or equal to the high pressure threshold, the LED light corresponding to the pressure sensor will display red.

Wherein, the automatic adjuster is installed in the base, and the automatic adjuster includes four liftable lifting columns installed on the four corners of the base, and the lifting columns are connected with the base; when the pressure When the sensor detects that the pressure value at the corresponding position is at low pressure, the pressure sensor transmits the detected data to the control unit, and the control unit sends a signal to control the rising of the lifting column to increase the pressure at the corresponding position until the LED at the corresponding position The light is green; when the pressure sensor detects that the pressure value at the corresponding position is at high pressure, the pressure sensor transmits the detected data to the control unit, and the control unit sends a signal to control the lowering of the lifting column to increase the corresponding position until the LED light at the corresponding position turns green.

A method for detecting and marking a circuit board, the method comprising the steps of:

a, Manual feeding to the detection device;

b. The detection device detects whether the steel sheet is missing on the circuit board, and sends the detection result to the controller for storage;

c. The pushing device pushes out the circuit board of the detection device, and transfers the circuit board to the material shifting device through the transfer device;

d. The controller drives the material transfer device according to the detection result of the detection device in step b. If the circuit board has steel sheets missing, the material transfer device will transfer the circuit board to the marking device for marking, and the marking device will mark the circuit board. After marking, transfer the circuit board to the visual inspection device for visual inspection; if there is no missing steel sheet on the circuit board, the material transfer device will transfer the circuit board to the visual inspection device for visual inspection;

e. The visual inspection device sends the results of the visual inspection of the circuit board to the controller for the operator to check to judge the integrity of the circuit board;

f. Manually unload the circuit board on the material transfer device.

Beneficial effects of the present invention:

The invention provides a circuit board detection and marking device and its detection and marking method, which has a simple structure and a reasonable design. The problems of manual error operation, low work efficiency, long working hours, and easy mistakes in manual detection; the present invention uses a detection device, a marking device, an appearance inspection device, a material transfer device, a transfer device, a material pushing device, a first sensor, The function of the second sensor and controller realizes the detection, marking and visual inspection of circuit boards through equipment, reduces manual errors, improves work efficiency, and reduces working hours. At the same time, it can realize the assembly line of detection, marking and visual inspection Work, improve work efficiency, reduce the number of transfers, save time and effort.

Description of drawings

FIG. 1 is a schematic structural diagram of a circuit board detection and marking device according to the present invention.

Fig. 2 is a schematic structural diagram of the detection device of the present invention.

Fig. 3 is an exploded view of the structure of the placement seat of the present invention.

Fig. 4 is a schematic diagram of the back structure of the working plate of the present invention.

Fig. 5 is a schematic structural view of the material transfer seat of the present invention.

Fig. 6 is a schematic structural diagram of the marking device of the present invention.

Fig. 7 is a schematic structural view of the appearance inspection device of the present invention.

Fig. 8 is a structural schematic diagram of another viewing angle of the marking device of the present invention.

FIG. 9 is a structural schematic view of another viewing angle of the appearance inspection device of the present invention.

Reference numerals in FIGS. 1 to 9 include:

1—rack 2—controller 3—detection device

4—marking device 5—placement seat 6—appearance inspection device

7—Material shifting device 8—Transfer device 9—Material receiving seat

10—Pushing device 11—First sensor 12—Second sensor

13—Detection platen 14—Lift cylinder 15—Probe

16—positioning seat 17—press tablet 18—lifting motor

19—lifting shaft 20—perforation 21—ball

22—Rubber Pad 23—First Motor 24—First Drive Screw

25—first sliding seat 26—suction piece 27—transfer cylinder

28—suction nozzle 29—push material cylinder 30—push material plate

32—first bracket

33—laser generator 34—CCD camera 35—the first cylinder

36—the first drive mechanism 37—the second motor

38—the second drive screw 39—the second sliding seat 40—the first alarm

41—Second Bracket 42—Camera Capture Device

43—the second cylinder 44—the second driving mechanism 45—the third motor

46—the third drive screw 47—the third sliding seat 48—aluminum base plate

49—Lamp bead 50—Transparent plate 51—Fourth motor

52—the fourth transmission screw 53—the fourth sliding seat 54—the material transfer platform

55—Exhaust fan 56—Exhaust hole 57—Roller

58—workbench 59—base 60—PCB board

61—working board 62—pressure sensor 63—LED light

64—lifting column 65—groove.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention. The present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figure 1, a kind of circuit board detection and marking equipment described in this embodiment includes a frame 1 and a controller 2, and the frame 1 is sequentially provided with steel sheets for missing affixing the circuit board Detection device 3 for detection, marking device 4 for carrying out laser marking to circuit board and appearance inspection device 6 for carrying out appearance inspection to circuit board; A material transfer device 7, a transfer device 8 for transferring the circuit board from the detection device 3 to the material transfer device 7 is provided between the detection device 3 and the marking device 4; one side of the detection device 3 is provided with a connection Material seat 9, the other side of the detection device 3 is provided with a pushing device 10 for pushing the circuit board to the material receiving seat 9; a first sensor 11 is provided between the marking device 4 and the transfer device 8, A second sensor 12 is arranged between the marking device 4 and the visual inspection device 6, the detection device 3, the marking device 4, the visual inspection device 6, the material transfer device 7, the transfer device 8, the material pushing device 10, The first sensor 11 and the second sensor 12 are electrically connected to the controller 2 respectively. Specifically, the operator places the circuit board that has just been pasted for reinforcement in the detection device 3, and the detection device 3 detects the missing steel sheet on the circuit board, and then the circuit board in the detection device 3 is removed by the pushing device 10. Push it to the material receiving seat 9, and then send the circuit board on the material receiving seat 9 to the material transfer device 7 through the transfer device 8, and send the detection result of the detection device 3 and the position information of the missing steel sheet on the circuit board to the controller 2. The movement of the material transfer device 7 is controlled by the controller 2. When the detection device 3 detects that the steel sheet is missing on the circuit board, the controller 2 controls the material transfer device 7 to move to the marking device 4, and passes the first The sensor 11 and the second sensor 12 detect the position of the material shifting device 7 and then judge whether it moves into the marking device 4, and send the position information of the missing steel sheet to the marking device 4 through the controller 2, and the marking device 4 Through the received position information, the position of the missing steel sheet on the circuit board is laser marked; after the marking device 4 laser marks the circuit board, the material transfer device 7 then moves the circuit board to the appearance inspection device 6 for inspection Whether there are surface scratches on the circuit board to ensure the integrity and reliability of the circuit board; when the detection device 3 detects that the circuit board has no steel sheet leakage, the controller 2 controls the material transfer device 7 to directly transfer to the appearance inspection Check in the device 6, so as to check whether the circuit board has surface scratches, to ensure the integrity and reliability of the circuit board; the present invention is simple in structure and reasonable in design. Problems such as manual error operation, low work efficiency, long working hours, and easy mistakes in manual inspection during detection, marking, and appearance inspection; , the transfer device 8, the pushing device 10, the first sensor 11, the second sensor 12 and the role of the controller 2, realize the detection, marking and appearance inspection of the circuit board through the equipment, reduce manual errors, improve work efficiency, and reduce The working hours are long, and at the same time, it can realize the assembly line work of inspection, marking and appearance inspection, improve work efficiency, reduce the number of handling and transfer, and save time and effort.

As shown in Fig. 1 and Fig. 2, in the detection and marking equipment of a circuit board described in this embodiment, the detection device 3 includes a placement seat 5 and a steel plate for missing-sticking the circuit board on the placement seat 5. A detection mechanism for chip detection, the detection mechanism includes a detection pressure plate 13 and a lifting cylinder 14 for driving the detection pressure plate 13 to reciprocate up and down, and two rows are arranged side by side at the bottom of the detection pressure plate 13 for detecting leakage of circuit board steel sheets. Affixed probes 15; both sides of the placement seat 5 are respectively provided with positioning pieces for fixing the circuit board. Specifically, when working, the circuit board is placed on the placement seat 5 of the detection device 3, then the circuit board is positioned and fixed by the positioning member, and then the circuit board is detected by the detection mechanism. During detection, the lifting cylinder 14 drives the detection platen 13 Press against the circuit board, and detect the two rows of reinforced steel sheets on the circuit board by detecting the probe 15 on the pressure plate 13. If the probe 15 detects, when the probe 15 on the corresponding two rows of steel sheets conducts, it proves that there is no If the steel sheet is missed, if the probe 15 detects that the probe 15 is not conducting, it proves that there is a steel sheet missing, and the coordinate position information of the missing steel sheet is sent to the controller 2, and the controller 2 Work according to whether the circuit board is missing a steel sheet and the coordinate position information of the missing steel sheet.

As shown in Figure 2, a detection and marking equipment for circuit boards described in this embodiment, the positioning member includes a positioning seat 16 and a pressing piece 17 for pressing the circuit board, the positioning seat 16 is provided with a lift The motor 18 and the perforation 20 that is used for the lifting shaft 19 of the lifting motor 18 to stretch out, the two sides of the perforation 20 are provided with balls 21, and the end of the lifting shaft 19 is fixedly connected with the pressing piece 17; the pressing piece 17 A rubber pad 22 is provided at the bottom. Specifically, when the circuit board is pressed by the positioning member, the operator can use the controller 2 to control the lifting motor 18 to raise the lifting shaft 19, and at the same time the pressing piece 17 is raised to place the circuit board under the pressing piece 17, Then the lifting shaft 19 is controlled to lower, and the pressing sheet 17 presses the circuit board to ensure that the circuit board is not easy to loosen, and then ensure that the detection mechanism is accurate to the detection of the circuit board; preferably, the bottom of the pressing sheet 17 is provided with a rubber pad 22 to prevent pressing. The sheet 17 causes scratches on the surface of the circuit board, and the reliability is good.

As shown in Fig. 1, a kind of testing and marking equipment of circuit board described in this embodiment, the transfer device 8 includes a first motor 23, a first transmission screw 24, a first sliding seat 25, and is arranged on the first sliding The suction piece 26 on the seat 25 and the transfer cylinder 27 for driving the suction piece 26 to move up and down, the suction piece 26 is provided with a suction nozzle 28; The first transmission screw 24 is connected with the transmission of the first slide 25; the pushing device 10 includes a pushing cylinder 29 and a pushing plate 30, and the output end of the pushing cylinder 29 is connected with the pushing plate 30 connect. Specifically, after the detection device 3 detects the circuit board, the pusher plate 30 is driven by the pusher cylinder 29 to push the circuit board on the placement seat 5 to the receiving seat 9, and then the first motor 23 and the first screw rod The function drives the first sliding seat 25 to move left and right, and the suction piece 26 is driven to move up and down by the transfer cylinder 27, and the circuit board on the material receiving seat 9 is sucked by the suction nozzle 28 on the suction piece 26, and then the circuit board is sent to the material transfer device 7 on.

As shown in Fig. 1, Fig. 6 and Fig. 8, a kind of inspection and marking equipment for circuit boards described in this embodiment, the marking device 4 includes a first bracket 32, a laser generator 33, and a laser generator 33 A CCD camera 34 on one side, a first cylinder 35 for driving the laser generator 33 to reciprocate left and right, a first drive mechanism 36 for driving the first bracket 32 to move back and forth, and the first cylinder 35 is installed on the first bracket 32; the first drive mechanism 36 includes a second motor 37, a second drive screw 38 and a second slide 39, the second motor 37 is in drive connection with the second drive screw 38, and the second The driving screw 38 is in driving connection with the second sliding seat 39 , and the second sliding seat 39 is fixedly connected with the first bracket 32 . Specifically, the effects of the first cylinder 35, the second motor 37, and the second transmission screw mandrel 38 realize the forward and backward movement and left and right movement of the laser generator 33 and the CCD camera 34, so that the CCD camera 34 can move to the mark. The position detection of the circuit board on the material shifting device 7 in the device 4, after receiving the data information sent by the controller 2 through the marking device 4, confirms the coordinate position information of the missing steel sheet on the circuit board through the CCD camera 34 , and control the laser generator 33 to carry out laser marking on the coordinates, which is convenient to use and reduces the time-consuming and labor-consuming problems of traditional manual marking, which is easy to misuse.

As shown in Fig. 1, Fig. 7 and Fig. 9, in the inspection and marking equipment of a circuit board described in this embodiment, the appearance inspection device 6 includes a first alarm 40, a second bracket 41, and a camera picker 42 , the second cylinder 43 used to drive the camera picker 42 to move left and right, the second drive mechanism 44 used to drive the second bracket 41 to move back and forth, the second cylinder 43 is installed on the second bracket 41; The second driving mechanism 44 includes a third motor 45, a third transmission screw mandrel 46 and a third slide seat 47, the third motor 45 is connected to the third transmission screw mandrel 46, and the third transmission screw mandrel 46 is connected to the third transmission screw mandrel 46. The third sliding seat 47 is connected by transmission, and the third sliding seat 47 is fixedly connected with the second bracket 41; both sides of the camera picker 42 are provided with an aluminum substrate 48, and the lamps installed on the aluminum substrate 48 beads 49 and a light-transmitting plate 50 covering the lamp beads 49 . Specifically, by installing lamp beads 49, i.e. light sources, on both sides of the camera picker 42, and under the action of the light-transmitting plate 50, the lamp beads 49 can emit light and the light is uniform and not dazzling, ensuring that the camera The image captured by the capture device 42 is accurate and reliable, and does not affect the observation of the operator; when the circuit board captured by the camera capture device 42 has scratches, it will send this situation to the controller 2, and the controller 2 The first alarm 40 of the controller 2 sends out an alarm sound so that the staff can take away the defective circuit board to ensure the quality and safety of the circuit board; The function of realizing the forward and backward movement and left and right movement of the camera picker 42 ensures that the camera picker 42 can accurately capture the image of the circuit board.

As shown in Fig. 1 and Fig. 5, a detection and marking equipment of a circuit board described in this embodiment, the material shifting device 7 includes a material shifting seat, a fourth motor 51 and a fourth transmission screw rod 52, the first The four motors 51 are connected with the fourth transmission screw rod 52, the material transfer seat includes a fourth sliding seat 53 and a hollow material transfer table 54, an exhaust fan 55 is installed in the material transfer table 54, and the material transfer table 54 A number of ventilation holes 56 are evenly provided on the surface of the material platform 54 ; rollers 57 for cooperating with the frame 1 are provided on the bottom of the fourth sliding seat 53 . Specifically, when the transfer device 8 transfers the circuit board from the material receiving seat 9 to the material transfer table 54 of the material transfer device 7, through the effect of the air suction hole 56 and the exhaust fan 55, the exhaust fan 55 draws air and then sucks the circuit board. , to ensure that the circuit board can be positioned on the material transfer table 54 and is not easy to loosen, and then through the action of the fourth motor 51, the fourth transmission screw 52 and the fourth sliding seat 53, the movement of the material transfer seat is realized, the structure is simple, and the use is convenient. Through the action of the rollers 57, the friction between the fourth sliding seat 53 and the frame 1 can be reduced, ensuring that the material transfer seat can be used for a long time.

As shown in Fig. 1 to Fig. 4, in the detection and marking equipment of a circuit board described in the present embodiment, the placement seat 5 includes a workbench 58, and the workbench 58 is provided with an auxiliary adjustment device and a control unit, so The control unit is electrically connected with the controller 2, the auxiliary adjustment device includes a base 59, a PCB board 60 is installed in the base 59, the control unit is installed on the PCB board 60, and a working plate 61, the back of the working plate 61 is provided with an inductor for sensing the pressure value of the working plate 61, and an automatic regulator for adjusting the force of the working plate 61 is arranged in the auxiliary adjustment device, and the sensor and the automatic The regulators are respectively electrically connected to the controller 2;

Specifically, the circuit board is placed on the working board 61, and the detection pressure plate 13 is pressed against the circuit board to detect it; force situation, the automatic adjustment device can adjust the position of the working plate 61 according to the stress situation of each part, so as to achieve the force balance of each part, improve the accuracy of the detection mechanism, improve the accuracy and efficiency of the test, and prevent The probe 15 of the detection mechanism fails to detect due to the loss of balance of the working plate 61;

The sensor includes several pressure sensors 62 for sensing the pressure of the working board 61, and the frame 1 is provided with several LED lamps 63 corresponding to the pressure sensors 62, and one pressure sensor 62 corresponds to one LED lamp 63; the LED lamp 63 is electrically connected to the controller 2; specifically, the pressure sensor 62 is used to detect the pressure value of the working plate 61 being pressed by the detection platen 13, and the LED lamp 63 is connected with the pressure sensor 62 One-to-one correspondence, in order to facilitate the operator to quickly and intuitively observe the pressure at different positions, and quickly make a comparison of the pressure value, so that the staff can find out the failure of the detection mechanism in time;

The control unit is provided with a low pressure threshold, a medium pressure threshold and a high pressure threshold; when the pressure value sensed by the pressure sensor 62 is lower than or equal to the low pressure threshold, the LED light 63 corresponding to the pressure sensor 62 displays Yellow; when the pressure value sensed by the pressure sensor 62 is higher than the low pressure threshold and less than or equal to the medium pressure threshold, the LED light 63 corresponding to the pressure sensor 62 will display green; when the pressure sensed by the pressure sensor 62 When the value is higher than the medium pressure threshold and less than or equal to the high pressure threshold, the LED light 63 corresponding to the pressure sensor 62 will display red;

Specifically, the pressure sensor 62 sends the pressure value data detected at the corresponding position to the control unit, and the control unit sends the data to the controller 2, and the controller 2 controls the color displayed by the LED lamp 63 according to the pressure value data. .

A detection and marking equipment for circuit boards described in this embodiment, the automatic adjuster is installed in the base 59, and the automatic adjuster includes 4 liftable lifters installed on the four corners of the base 59. column 64, the lifting column 64 is connected with the base 59; when the pressure sensor 62 detects that the pressure value at the corresponding position is at a low pressure, the pressure sensor 62 transmits the detected data to the control unit, and the control unit The unit sends a signal to control the rise of the lifting column 64 to increase the pressure on the corresponding position until the LED light 63 at the corresponding position shows green; when the pressure sensor 62 detects that the pressure value at the corresponding position is at a high pressure, the pressure sensor 62 The detected data is transmitted to the control unit, and the control unit sends a signal to control the lowering of the lifting column 64 to increase the pressure on the corresponding position until the LED light 63 at the corresponding position displays green. Specifically, the bottom of the lifting column 64 is correspondingly provided with a miniature cylinder, and the miniature cylinder is used as a power source for vertically raising or lowering the lifting column 64, and the miniature cylinder is electrically connected with the control unit; The column 64 can be vertically raised or lowered within a certain range under the control of the control unit, so as to adjust the base 59 in time and then fine-tune the pressure of the working board 61 to achieve the best detection effect of the circuit board and reduce the Its detection mechanism detects the possibility of errors; the pressure value of the corresponding position is detected by the pressure sensor 62, and the pressure value data is sent to the control unit, and the control unit according to the preset low pressure threshold, medium pressure threshold and high pressure Threshold to judge the force situation of each position, and according to the force situation to control the vertical rise or fall of the lifting column 64 or maintain the original position to adjust the working plate 61.

A circuit board detection and marking device described in this embodiment, the PCB board 60 is also provided with a second alarm (not marked in the figure), the second alarm is electrically connected to the control unit, When the pressure sensor 62 detects that the pressure value on the corresponding position is higher than the high pressure threshold, the LED light 63 corresponding to the pressure sensor 62 is constantly flashing, and the alarm alarm; specifically, the pressure sensor 62 Detect the pressure value of the corresponding position and send the pressure value to the control unit. According to the preset high pressure threshold, when the received pressure value data is higher than the high pressure threshold, the control unit will The signal is sent to the LED lamp 63 corresponding to the pressure sensor 62, and the corresponding LED lamp 63 is controlled to flash continuously. Prompt the operator that there is a problem with the balance of the working board 61;

The back side of the working plate 61 is provided with a groove 65 for installing the pressure sensor 62, the groove 65 is arranged in the shape of a rice, and the groove 65 is provided with a concave hole for installing the pressure sensor 62 (not marked in the figure) , the shape of the concave hole is set corresponding to the pressure sensor 62, and the pressure sensor 62 is clamped with the concave hole;

The number of the concave holes is 24, the quantity of the pressure sensor 62 is 24, the concave holes are evenly arranged on the said Pozi-shaped groove 65, the horizontal groove 65 of the Pozi-shaped groove 65, the vertical Both the groove 65 and the oblique groove 65 are provided with three concave holes evenly spaced. Specifically, the pressure sensor 62 is installed on the concave hole, and the pressure sensor 62 is clamped with the concave hole, which can ensure that the pressure sensor 62 is not easy to loosen and ensure its working effect; the pressure sensor 62 is installed in the concave hole That is to say, the pressure sensor 62 is evenly arranged on the P-shaped groove 65, and is evenly spaced on the horizontal groove 65, the vertical groove 65 and the oblique groove 65, that is, the pressure sensor 62 can detect the working plate 61, the four corners, the middle of the four sides and the pressure of each position in the center of the working plate 61, and then send the detected pressure to the control unit, and display the received pressure on the LED light 63, so that the operator can quickly and intuitively See the pressure comparison of different positions.

Specifically, the four corners on the base 59 are provided with leveling screws (not marked in the figure), because the pressure on the pressure sensor 62 is correspondingly provided with LED lights 63 that display different colors to represent different pressure values. , so that the operator can intuitively check the pressure values at different positions. When the automatic regulator is damaged or the work is not effective, the operator can manually adjust the leveling screw so that the force on each position of the working plate 61 is uniform, that is, the 24 The LED lamps 63 corresponding to the pressure sensor 62 all display green, and the operator can quickly judge and improve work efficiency.

A method for detecting and marking a circuit board, the method comprising the steps of:

a, Manual feeding to the detection device;

b, the detection device 3 detects whether the circuit board is missing a steel sheet, and sends the detection result to the controller 2 for storage;

c, the pushing device 10 pushes out the circuit board of the detection device 3, and transfers the circuit board to the material shifting device 7 through the transfer device 8;

d. The controller 2 drives the material transfer device 7 according to the detection result of the detection device in step b. If there is a steel sheet leakage on the circuit board, the material transfer device 7 transfers the circuit board to the marking device 4 for marking. The marking device 4. After the circuit board is marked, the circuit board is transferred to the visual inspection device 6 for visual inspection; if there is no leakage of steel sheets on the circuit board, the material transfer device 7 transfers the circuit board to the visual inspection device 6 for visual inspection;

e, the visual inspection device 6 sends the result of the visual inspection of the circuit board to the controller 2 for the operator to check to judge the integrity of the circuit board;

f. Manually unload the circuit board on the material transfer device.

The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention is disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field , without departing from the scope of the technical solution of the present invention, when using the technical content disclosed above to make some changes or modifications to equivalent embodiments with equivalent changes, but as long as it does not depart from the technical solution of the present invention, the technology of the present invention refers to the above Any simple modifications, equivalent changes and modifications made in the embodiments all belong to the scope of the technical solutions of the present invention.

Claims (10)

1. a kind of detection marking equipment of wiring board, including organic frame and controller, it is characterised in that：It is set successively in the rack It is equipped with the detection device for carrying out leakage patch steel disc detection to wiring board, the marking device for carrying out laser marking to wiring board With for wiring board carry out visual examination appearance inspection device；It installs the lower section of the marking device and appearance inspection device There is shifting material device, be provided with wiring board being transferred to shifting material dress from detection device between the detection device and marking device The transfer device put；The side of the detection device is provided with splicing seat, and the opposite side of the detection device, which is provided with, to be used for Wiring board is pushed into the material-pulling device of splicing seat；First sensor is provided between the marking device and transfer device, it is described Second sensor, the detection device, marking device, visual examination dress are provided between marking device and appearance inspection device It puts, move and expect that device, transfer device, material-pulling device, first sensor and second sensor are electrically connected with the controller respectively.

2. a kind of detection marking equipment of wiring board according to claim 1, it is characterised in that：The detection device includes There are placement rack and the testing agency for carrying out leakage patch steel disc detection to the wiring board on placement rack, the testing agency includes Detection pressing plate and the lifting cylinder for detection pressing plate to be driven to move back and forth up and down, the bottom of the detection pressing plate are set side by side with Two rows leak the probe pasted for detecting circuit slab piece；The both sides of the placement rack are separately provided for determining for fixing circuit board Position part.

3. a kind of detection marking equipment of wiring board according to claim 2, it is characterised in that：The locating piece includes Positioning seat and the tabletting for pushing down wiring board are provided with lifting motor in the positioning seat and for the lifting for lifting motor The perforation that axis stretches out, the both sides of the perforation are provided with ball, and the lifting the tip of the axis is fixedly connected with tabletting；The tabletting Bottom be provided with rubber cushion.

4. a kind of detection marking equipment of wiring board according to claim 1, it is characterised in that：The transfer device includes Have the first motor, the first drive lead screw, first slide, the suction part being set in first slide and for drive inhale part move up and down Transfer cylinder, it is described suction part on be provided with suction nozzle；First motor and the first drive lead screw are sequentially connected, and described first passes Dynamic screw is sequentially connected with the first slide；

The material-pulling device includes pusher cylinder and scraping wings, and the output terminal of the pusher cylinder is connect with scraping wings.

5. a kind of detection marking equipment of wiring board according to claim 1, it is characterised in that：The marking device includes Have first support, laser generator, the CCD camera for being installed on laser generator side, for driving laser generator or so First cylinder of reciprocating movement, the first driving mechanism for first support to be driven to be moved forward and backward, first cylinder are mounted on In first support；

First driving mechanism includes the second motor, the second drive lead screw and second slide, second motor and second Drive lead screw is sequentially connected, and second drive lead screw is sequentially connected with second slide, and the second slide is consolidated with first support Fixed connection.

6. a kind of detection marking equipment of wiring board according to claim 1, it is characterised in that：The appearance inspection device Include the first alarm, second support, camera shooting acquisition device, the second cylinder, the use that acquisition device moves left and right are imaged for driving In the second driving mechanism that driving second support is moved forward and backward, the second cylinder installation is on the secondary support bracket；

Second driving mechanism includes third motor, third drive lead screw and third slide, the third motor and third Drive lead screw is sequentially connected, and the third drive lead screw and the third slide are sequentially connected, the third slide and described the Two stents are fixedly connected；The both sides of the camera shooting acquisition device are both provided with aluminum substrate, lamp bead and are covered on aluminum substrate The light-transmitting plate of lamp bead.

7. a kind of detection marking equipment of wiring board according to claim 1, it is characterised in that：The material device that moves includes There are shifting material seat, the 4th motor and the 4th drive lead screw, the 4th motor to be connect with the 4th drive lead screw, it is described to move material seat Include the 4th slide and hollow shifting material platform, described move in material platform is equipped with exhaust fan, and the surface for moving material platform is uniformly set It is equipped with several exhausting holes；The bottom of 4th slide is provided with the idler wheel for coordinating with rack.

8. a kind of detection marking equipment of wiring board according to claim 2, it is characterised in that：The placement rack includes Workbench is provided with auxiliary conditioning unit and control unit on the workbench, and described control unit is electrically connected with the controller, institute It states auxiliary conditioning unit and includes pedestal, pcb board is installed, described control unit is mounted on pcb board, described in the pedestal Working plate is installed on pedestal, the back side of the working plate be provided with for sense working plate pressure value inductor, it is described The automatic adjustment device for adjusting working plate stress, the inductor and automatic adjustment device difference are provided in auxiliary conditioning unit It is electrically connected with the controller；

The inductor includes several pressure sensors for being used to sense working plate pressure, several are provided in the rack The LED light being correspondingly arranged with the pressure sensor, a pressure sensor correspond to a LED light；The LED light and controller Electrical connection；

Described control unit is provided with the wealthy value of low pressure, the wealthy value of middle pressure and the wealthy value of high pressure；When the pressure that the pressure sensor senses When force value is less than or equal to low pressure wealthy value, the corresponding LED light of the pressure sensor shows yellow；When the pressure sensor sense Should to pressure value value wealthy higher than low pressure and during less than or equal to the wealthy value of middle pressure, the corresponding LED light of the pressure sensor shows green Color；When the pressure value that the pressure sensor senses is higher than the wealthy value of middle pressure and value wealthy less than or equal to high pressure, the pressure passes The corresponding LED light of sensor is displayed in red.

9. a kind of detection marking equipment of wiring board according to claim 8, it is characterised in that：The automatic adjustment device peace In pedestal, the automatic adjustment device includes 4 liftable lifting columns being mounted on four corners of pedestal, the liter Drop column is connect with the pedestal；When the pressure value that the pressure sensor is detected on corresponding position is in low pressure, the pressure For force snesor by the data transmission of detection to control unit, described control unit sends out the rise of signal control lifting column to increase Pressure on corresponding position is until the LED light display green of corresponding position；When the pressure sensor is detected on corresponding position Pressure value when being in high pressure, the pressure sensor sends out the data transmission of detection to control unit, described control unit Signal controls the reduction of lifting column to increase the pressure on corresponding position until the LED light of corresponding position shows green.

10. the detection marking method of a kind of wiring board using any one of the claim 1-9 equipment, which is characterized in that should Method includes the following steps：

A, in artificial feeding to detection device；

B, detection device is made whether wiring board leakage patch steel disc detection, and testing result is sent to controller and is stored；

C, material-pulling device release the wiring board of detection device, and pass through transfer device and wiring board is transferred on shifting material device；

D, controller according to the testing result of step b detection devices drive move material device, if wiring board there are steel disc leak patch situation, Wiring board is transferred in marking device by shifting material device carries out mark, and wiring board to being transferred to by marking device after wiring board mark Appearance inspection device carries out visual examination；If wiring board, there is no steel disc leakage patch situation, it is outer that shifting expects that wiring board to be transferred to by device It sees check device and carries out visual examination；

E, the result that appearance inspection device carries out after visual examination wiring board are sent to controller, are looked into for operating personnel It sees, to judge the integrality of wiring board；

F manually carries out discharging to moving the wiring board on material device.