CN210016712U

CN210016712U - Automatic overturning detection equipment for PCB (printed circuit board)

Info

Publication number: CN210016712U
Application number: CN201920749961.0U
Authority: CN
Inventors: 杨则武
Original assignee: Huizhou City Shun Electronics Co Ltd
Current assignee: Huizhou City Shun Electronics Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-02-04
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a PCB automatic overturn detection device, which comprises a cabinet, a jig, two sets of carrying mechanisms, a set of PCB conveying mechanism, a finished product conveying mechanism, a turnover mechanism, a detection mechanism and a control mechanism, wherein the jig is placed on the PCB conveying mechanism, the carrying mechanism is fixedly arranged on a top plate, the detection mechanism is fixedly arranged on the carrying mechanism, the finished product conveying mechanism and the turnover mechanism are respectively and fixedly arranged at two ends of a supporting plate, the PCB conveying mechanism is fixedly arranged on the supporting plate, and the control mechanism is arranged on a bottom plate; according to the detection equipment, the carrying mechanism carries the PCB with one surface subjected to detection to the turnover mechanism from the first jig, and the detection mechanism is responsible for detecting the installation condition of the PCB optical panel which is not detected; the conveying mechanism is used for placing the PCB after the turnover mechanism is turned over into the second jig for detection, the conveying mechanism is used for conveying the PCB finished product plate to the finished product conveying mechanism from the second jig, the whole process is automatically completed by a machine, and the working efficiency is improved.

Description

Automatic overturning detection equipment for PCB (printed circuit board)

Technical Field

The utility model relates to a technical field of the accurate SMT processing procedure of PCB board specifically is an automatic check out test set that overturns of PCB board.

Background

In a precise SMT process, such as a SMT process of a mobile phone motherboard, a PCB is required to be placed in a special precise jig during the SMT process of the front and back surfaces. At different stages of the manufacturing process, the mainboard with the finished front and back sides needs to be collected, the mainboard with the finished front side is taken out, then the jig for the manufacturing process of the back side is put in, and a brand new mainboard is continuously put in. And after the assembly and disassembly are finished, visual and laser detection is used, and if the PCB which is poor is found to be automatically reassembled, the assembly and disassembly quality is ensured. At present, the turnover and the assembly of the PCB are completed manually, the time and the labor are consumed, the efficiency is low, and the product yield is low.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an automatic turnover detection device for a PCB.

An automatic turnover detection device for PCB boards comprises a machine cabinet, a jig, at least two sets of carrying mechanisms, at least one set of PCB board conveying mechanism, a finished product conveying mechanism, a turnover mechanism, a detection mechanism and a control mechanism, wherein the jig is arranged on the PCB board conveying mechanism, used for placing PCB boards, the cabinet comprises a top plate, a bottom plate and a supporting plate, the carrying mechanism is fixedly arranged on the top plate, the detection mechanism is fixedly arranged on the carrying mechanism, the finished product conveying mechanism and the turnover mechanism are respectively and fixedly arranged at two ends of the supporting plate, the PCB conveying mechanism is fixedly arranged on the supporting plate and is positioned between the finished product conveying mechanism and the turnover mechanism, the control mechanism is arranged on the bottom plate and is electrically connected with the carrying mechanism, the PCB conveying mechanism, the finished product conveying mechanism, the turnover mechanism and the detection mechanism respectively.

In one embodiment, the carrying mechanism comprises a Y-axis guide rail, Y-axis auxiliary guide rails, an X-axis guide rail, a Z-axis support seat, a Z-axis guide rail, and a material taking module, wherein the Y-axis guide rails are fixedly mounted at two ends of the top plate, the Y-axis auxiliary guide rails are fixedly mounted on the top plate, one end of the X-axis guide rail is slidably mounted on the Y-axis guide rail, the other end of the X-axis guide rail is slidably mounted on the Y-axis auxiliary guide rail, the Z-axis support seat is slidably mounted on the X-axis guide rail, the Z-axis guide rail is fixedly mounted on the Z-axis support seat, and one end of the material taking module.

In one embodiment, the detection mechanism comprises a U-axis rotation module, a height measurement sensor, an industrial camera and a bottom vision detection module, the industrial camera is fixedly mounted at one end of the Z-axis support seat, the U-axis rotation module is fixedly mounted on the Z-axis support seat and located between the industrial camera and the material taking module, the height measurement sensor is fixedly mounted on the U-axis rotation module, and the bottom vision detection module is fixedly mounted on the support plate and located at one end of the PCB board conveying mechanism.

In one embodiment, the PCB conveying mechanism comprises a synchronous conveying belt, a blocking mechanism and a positioning clamp assembly, the synchronous conveying belt is fixedly installed on the supporting plate, and the blocking mechanism and the positioning clamp assembly are respectively and fixedly installed on the supporting plate and located between the synchronous conveying belts.

In one embodiment, the positioning fixture assembly comprises a fixing seat, a base, a pressing assembly, a first air cylinder and a positioning fixture, the fixing seat is fixedly installed on the supporting plate, the base is connected with the fixing seat through a guide shaft, the first air cylinder is fixedly installed on the supporting plate, one end of the first air cylinder is abutted to the base, the positioning fixture and the pressing assembly are respectively and fixedly installed at two ends of the base, and a positioning pin and an unlocking piece are arranged on the positioning fixture.

In one embodiment, the blocking mechanism comprises a second cylinder and a supporting seat, one end of the second cylinder is fixedly installed on the supporting plate, and the other end of the second cylinder is fixedly connected with the supporting seat.

In one embodiment, the PCB conveying mechanism further includes a first slide rail and a first slide block, one end of the first slide rail is connected with one end of the synchronous conveyor belt, the first slide block is slidably mounted on the slide rail, and the other end of the synchronous conveyor belt is fixedly mounted on the first slide block.

In one embodiment, the finished product conveying mechanism comprises a moving cylinder, a support, a driving wheel, two driven wheels, a synchronous belt and a conveying belt, one end of the support is fixedly mounted on the moving cylinder, the two driven wheels are mounted on the support, the synchronous belt is sleeved on the two driven wheels, the conveying belt is sleeved on the two driven wheels and is abutted against the support, and one end of the driving wheel is mounted on the driven wheels.

In one embodiment, the turnover mechanism comprises a second slide rail, a second slide block, a support frame, a rotary cylinder and a turnover plate, the second slide rail is mounted on the machine cabinet, the second slide block is slidably mounted on the second slide rail, the support frame is fixedly mounted on the second slide block, the turnover plate is mounted on the support frame through a rotating shaft, one end of the rotary cylinder is mounted on the support frame, and the other end of the rotary cylinder is mounted on the turnover plate.

In one embodiment, the automatic PCB overturning and detecting equipment further comprises a computer display, and the computer display is fixedly installed on the top of the cabinet.

According to the automatic turnover detection equipment for the PCB, through the matched arrangement of the carrying mechanism, the PCB conveying mechanism, the finished product conveying mechanism, the turnover mechanism and the detection mechanism, the carrying mechanism carries the PCB with one surface subjected to detection from the first jig to the turnover mechanism, then the carrying mechanism carries the PCB which is not detected to the first jig, the detection mechanism is responsible for detecting the installation condition and the assembly condition of the PCB which is not detected, and the PCB flows away after the detection is qualified; the PCB after the turnover mechanism is turned over is placed into the second jig by the carrying mechanism to be subjected to another side detection, a PCB finished product board subjected to detection is carried to the finished product conveying mechanism from the second jig by the carrying mechanism and is conveyed away, the whole process is automatically completed by a machine, the working efficiency is improved, and the product yield is improved.

Drawings

Fig. 1 is a schematic view of an assembly structure of an automatic turnover detection device for a PCB according to an embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of a carrying mechanism and a detecting mechanism of the automatic turnover detecting device for PCB board of fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic view of an assembly structure of a PCB conveying mechanism of the automatic turnover detection device of the PCB of fig. 1 according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a blocking mechanism and a positioning fixture assembly of the automatic turnover detection device for PCB board of fig. 1 according to an embodiment of the present invention;

fig. 5 is a schematic view of an assembly structure of a finished product conveying mechanism of the automatic turnover detection device for PCB board of fig. 1 according to an embodiment of the present invention;

fig. 6 is a schematic view of an assembly structure of a turnover mechanism of the automatic turnover detection device of the PCB of fig. 1.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, an automatic turnover detection device for PCB comprises a cabinet 100, a jig, a carrying mechanism 200, at least one set of PCB conveying mechanism 300, a finished product conveying mechanism 400, a turnover mechanism 500, a detection mechanism 600, and a control mechanism 700, wherein the jig is placed on the PCB conveying mechanism 300 for placing PCB, the cabinet 100 comprises a top plate 110, a bottom plate 120, and a support plate 130, the carrying mechanism 200 is fixedly installed on the top plate 110, the detection mechanism 600 is fixedly installed on the carrying mechanism 200, the finished product conveying mechanism 400 and the turnover mechanism 500 are respectively fixedly installed at two ends of the support plate 130, the PCB conveying mechanism 300 is fixedly installed on the support plate 130 and is located between the finished product conveying mechanism 400 and the turnover mechanism 500, the control mechanism 700 is installed on the bottom plate 120, and the control mechanism 700 and the carrying mechanism 200, the turnover mechanism 500, The PCB conveying mechanism 300, the finished product conveying mechanism 400, the turnover mechanism 500 and the detection mechanism 600 are electrically connected.

Further, for example, the jig includes a first jig and a second jig, and the PCB conveying mechanism 300 includes a first PCB conveying mechanism 310 and a second PCB conveying mechanism 320, and the first jig and the second jig are respectively fixedly mounted on the first PCB conveying mechanism 310 and the second PCB conveying mechanism 320.

When detecting the PCB, the control mechanism 700 respectively provides electric energy for the carrying mechanism 200, the PCB conveying mechanism 300, the finished product conveying mechanism 400, the turnover mechanism 500 and the detection mechanism 600, the first jig and the second jig are respectively and fixedly arranged on the first PCB conveying mechanism 310 and the second PCB conveying mechanism 320, the PCB is fixedly arranged on the first jig, the first PCB conveying mechanism 310 conveys the PCB to a preset position and stops, the detection mechanism 600 performs visual and laser detection on the PCB, the visual detection is mainly used for detecting whether the PCB is fixed well, the laser detection is used for detecting whether one side of the PCB reaches the standard or not, after the PCB is detected to be qualified, the first jig is unlocked to separate the first jig from the PCB, the carrying mechanism 200 carries the PCB away from the first jig and then places the PCB on the turnover mechanism 500, after the turnover mechanism 500 is turned, the carrying mechanism 200 carries the PCB away from the turnover mechanism 500 and then places the PCB on the second jig, the second fixture fastens the PCB, the other side of the PCB is detected by the detection mechanism 600, and after the PCB is detected to be qualified, the PCB is carried to the finished product conveying mechanism 400 by the carrying mechanism 200 to carry out the next procedure.

Thus, through the matching arrangement of the carrying mechanism 200, the PCB conveying mechanism 300, the finished product conveying mechanism 400, the turnover mechanism 500 and the detection mechanism 600, the PCB with one side being detected is carried to the turnover mechanism 500 from a first jig by the carrying mechanism 200, then the PCB with no detection is carried to the first jig by the carrying mechanism 200, the detection mechanism 600 is responsible for detecting the installation condition and the assembly condition of the PCB with no detection, and the PCB with no detection flows away after the detection is qualified; the PCB after the turnover mechanism 500 is turned over is placed into the second jig by the carrying mechanism 200 to be subjected to another side detection, the finished PCB after the detection is carried to the finished product conveying mechanism 400 from the second jig by the carrying mechanism 200 to be conveyed away, the whole process is automatically completed by a machine, the working efficiency is improved, and the product yield is improved.

Further, the control mechanism 700 includes a computer host, a single chip microcomputer control module, a motor and a solenoid valve driving module, which are respectively and fixedly installed on the bottom plate 120, the single chip microcomputer control module is electrically connected with the motor and the solenoid valve driving module, and the motor and the solenoid valve driving module are respectively and electrically connected with the PCB conveying mechanism 300, the finished product conveying mechanism 400, the turnover mechanism 500, and the detection mechanism 600.

Further, as shown in fig. 2, in order to facilitate rapid transportation and detection of the PCB, the transportation mechanism 200 includes a Y-axis guide 201, a Y-axis auxiliary guide 202, an X-axis guide 203, a Z-axis support base 204, a Z-axis guide 205, and a material taking module 206, wherein the Y-axis guide 201 is fixedly mounted at two ends of the top plate 110, the Y-axis auxiliary guide 202 is fixedly mounted on the top plate 110, one end of the X-axis guide 203 is slidably mounted on the Y-axis guide 201, the other end of the X-axis guide 203 is slidably mounted on the Y-axis auxiliary guide 202, the Z-axis support base 204 is slidably mounted on the X-axis guide 203, the Z-axis guide 205 is fixedly mounted on the Z-axis support base 204, and one end of the material taking module 206 is slidably mounted on the Z-axis; detection mechanism 600 includes U axle rotation module 601, height finding sensor 602, industry camera 603, bottom vision detection module 604, industry camera 603 fixed mounting in the one end of Z axle support base 204, U axle rotation module 601 fixed mounting in on the Z axle support base 204 and be located industry camera 603 and get between the material module 206, height finding sensor 602 fixed mounting in on the U axle rotation module 601, bottom vision detection module 604 fixed mounting in backup pad 130 and be located PCB board conveying mechanism 300 one end.

When detecting a PCB, the control mechanism 700 respectively provides electric energy for the carrying mechanism 200, the PCB conveying mechanism 300, the finished product conveying mechanism 400, the turnover mechanism 500 and the detection mechanism 600, the first jig and the second jig are respectively and fixedly arranged on the first PCB conveying mechanism 310 and the second PCB conveying mechanism 320, the PCB is fixedly arranged on the first jig, the first PCB conveying mechanism 310 conveys the PCB to a preset position and stops, the carrying mechanism 200 moves the detection mechanism 600 to a detection position through the Y-axis guide rail 201, the Y-axis auxiliary guide rail 202 and the X-axis guide rail 203, the industrial camera 603 and the bottom visual detection module 604 perform visual detection on the PCB, the visual detection is mainly used for detecting whether the PCB is fixed, the height measurement sensor 602 is used for detecting whether one side of the PCB meets the standard or not, and after the detection is qualified, the first jig is unlocked to separate the first jig from the PCB, the material taking module 206 on the carrying mechanism 200 removes the PCB from the first jig and then places the PCB on the turnover mechanism 500, after the turnover mechanism 500 is turned over, the material taking module 206 on the carrying mechanism 200 removes the PCB from the turnover mechanism 500 and then places the PCB on the second jig, the second jig fastens the PCB, the other side of the PCB is detected by the detection mechanism 600, and after the PCB is detected to be qualified, the material taking module 206 on the carrying mechanism 200 carries the PCB to the finished product conveying mechanism 400 for the next process.

Like this, through height finding sensor 602, industry camera 603, bottom vision detection module 604 and get material module 206's cooperation setting, can accomplish the detection and the transport to the PCB board fast, improved work efficiency, improved the yields.

Further, as shown in fig. 3 and 4, in order to more conveniently fix and detect the PCB, the PCB conveying mechanism 300 includes a synchronous conveyor belt 301, a blocking mechanism 302 and a positioning clamp assembly 303, the synchronous conveyor belt 301 is fixedly mounted on the support plate 130, the blocking mechanism 302 and the positioning clamp assembly 303 are respectively fixedly mounted on the support plate 130 and located between the synchronous conveyor belts 301, the positioning clamp assembly 303 includes a fixing base 3031, a base 3032, a pressing assembly 3033, a first cylinder 3034 and a positioning clamp 3035, the fixing base 3031 is fixedly mounted on the support plate 130, the base 3032 is connected with the fixing base 3031 through a guide shaft, the first cylinder 3034 is fixedly mounted on the support plate 130, and one end of the first cylinder 3034 abuts against the base 3032, the positioning clamp 3035 and the pressing assembly 3033 are respectively fixedly mounted at two ends of the base 3032, the positioning fixture 3035 is provided with a positioning pin 30351 and an unlocking part 30352, the blocking mechanism 302 comprises a second cylinder 3021 and a supporting seat 3022, one end of the second cylinder 3021 is fixedly mounted on the supporting plate 130, and the other end of the second cylinder 3022 is fixedly connected with the supporting seat 3022.

When the PCB reaches the top of the positioning clamp assembly 303, the solenoid valve driving module controls the second cylinder 3021 to start, the second cylinder 3021 controls the supporting seat 3022 to lift, it blocks the PCB from continuing to move forward, the motor controls the synchronous conveyor belt 301 to stop, the first cylinder 3034 controls the base 3032 to move upward, the positioning pin 30351 on the positioning clamp 3035 passes through the first fixture or the second fixture and the PCB, the unlocking piece 30352 unlocks the elastic piece on the first fixture or the second fixture, the pressing assembly 3033 presses the first fixture or the second fixture, the first fixture or the second fixture cannot move, and the detection mechanism 600 detects the PCB.

Like this, through the setting of stop gear 302 and positioning fixture subassembly 303, make the automatic completion of PCB board stop, fixed, conveniently fix a position the PCB board, simple and convenient has improved work efficiency.

Further, in order to make the applicability of the device wider, the PCB conveying mechanism 300 further includes a first slide rail 304 and a first slider 305, one end of the first slide rail 304 is connected with one end of the synchronous conveyor belt 301, the first slider 305 is slidably mounted on the slide rail 304, and the other end of the synchronous conveyor belt 301 is fixedly mounted on the first slider 305.

Like this, through the cooperation setting of first slide rail 304 and first slider 305, when needing to detect the PCB board of equidimension not, slide on first slide rail 304 through first slider 305, and then adjust the width of synchronous conveyer belt 301, make the suitability of equipment more extensive.

Further, as shown in fig. 5, in order to facilitate conveying of the detected PCB, the finished product conveying mechanism 400 includes a moving cylinder 401, a support 402, a driving wheel 403, two driven wheels, a synchronous belt 404, and a conveyor belt 405, one end of the support 402 is fixedly mounted on the moving cylinder 401, the two driven wheels are mounted on the support 402, the synchronous belt 404 is sleeved on the two driven wheels, the conveyor belt 405 is sleeved on the two driven wheels and abuts against the support 402, and one end of the driving wheel 403 is mounted on the driven wheels.

Like this, the motor drives action wheel 403 and rotates, and action wheel 403 drives two from the driving wheel rotation through hold-in range 404, and then makes conveyer belt 405 rotate, conveniently carries the PCB board, and degree of automation is high.

Further, as shown in fig. 6, in order to rapidly turn over the PCB, the turning mechanism 500 includes a second slide rail 501, a second slider, a support frame 502, a rotary cylinder 503, and a turning plate 504, the second slide rail 501 is mounted on the cabinet 100, the second slider is slidably mounted on the second slide rail 501, the support frame 502 is fixedly mounted on the second slider, the turning plate 504 is mounted on the support frame 502 through a rotating shaft, one end of the rotary cylinder 503 is mounted on the support frame 502, and the other end of the rotary cylinder 503 is mounted on the turning plate 504.

Therefore, the turning plate 504 is controlled to turn over quickly through the rotary cylinder 503, so that the PCB is turned over simply and quickly, and the automation degree is high.

Further, the automatic PCB overturning detection equipment further comprises a computer display 800, and the computer display 800 is fixedly installed at the top of the cabinet 100.

Thus, the computer display 800 is connected with the host computer, a man-machine interaction interface is provided, and time, yield, equipment state and alarm information can be provided on the computer display 800, so that a user can acquire equipment information more quickly and directly.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an automatic check out test set that overturns of PCB board which characterized in that: the PCB board conveying mechanism comprises a cabinet, a jig, at least two sets of conveying mechanisms, at least one set of PCB board conveying mechanism, a finished product conveying mechanism, a turnover mechanism, a detection mechanism and a control mechanism, wherein the jig is placed on the PCB board conveying mechanism and used for placing PCB boards, the cabinet comprises a top plate, a bottom plate and a supporting plate, the conveying mechanism is fixedly installed on the top plate, the detection mechanism is fixedly installed on the conveying mechanism, the finished product conveying mechanism and the turnover mechanism are respectively and fixedly installed at two ends of the supporting plate, the PCB board conveying mechanism is fixedly installed on the supporting plate and located between the finished product conveying mechanism and the turnover mechanism, the control mechanism is installed on the bottom plate, and the control mechanism is respectively and electrically connected with the conveying mechanism, the PCB board conveying mechanism, the finished product conveying mechanism, the turnover.

2. The automatic PCB board turnover detection device of claim 1, wherein: transport mechanism includes Y axle guide rail, Y axle auxiliary guide rail, X axle guide rail, Z axle supporting seat, Z axle guide rail, gets material module, Y axle guide rail fixed mounting in the both ends of roof, Y axle auxiliary guide rail fixed mounting in on the roof, X axle guide rail one end slidable mounting in on the Y axle guide rail, other end slidable mounting in on the Y axle auxiliary guide rail, Z axle supporting seat slidable mounting in on the X axle guide rail, Z axle guide rail fixed mounting in on the Z axle supporting seat, the one end slidable mounting of getting material module in on the Z axle guide rail.

3. The automatic PCB board turnover detection device of claim 2, wherein: the detection mechanism comprises a U-axis rotation module, a height measurement sensor, an industrial camera and a bottom vision detection module, the industrial camera is fixedly mounted at one end of the Z-axis supporting seat, the U-axis rotation module is fixedly mounted on the Z-axis supporting seat and located between the industrial camera and the material taking module, the height measurement sensor is fixedly mounted on the U-axis rotation module, and the bottom vision detection module is fixedly mounted on the supporting plate and located at one end of the PCB conveying mechanism.

4. The automatic PCB board turnover detection device of claim 1, wherein: the PCB conveying mechanism comprises a synchronous conveying belt, a blocking mechanism and a positioning clamp assembly, the synchronous conveying belt is fixedly installed on the supporting plate, and the blocking mechanism and the positioning clamp assembly are respectively and fixedly installed on the supporting plate and located between the synchronous conveying belts.

5. The automatic PCB board turnover detection device of claim 4, wherein: the positioning fixture component comprises a fixing seat, a base, a pressing component, a first air cylinder and a positioning fixture, the fixing seat is fixedly installed on the supporting plate, the base is connected with the fixing seat through a guide shaft, the first air cylinder is fixedly installed on the supporting plate, one end of the first air cylinder is abutted to the base, the positioning fixture and the pressing component are fixedly installed at two ends of the base respectively, and a positioning pin and an unlocking piece are arranged on the positioning fixture.

6. The automatic PCB board turnover detection device of claim 4, wherein: the blocking mechanism comprises a second cylinder and a supporting seat, one end of the second cylinder is fixedly arranged on the supporting plate, and the other end of the second cylinder is fixedly connected with the supporting seat.

7. The automatic PCB board turnover detection device of claim 4, wherein: the PCB conveying mechanism further comprises a first sliding rail and a first sliding block, one end of the first sliding rail is connected with one end of the synchronous conveying belt, the first sliding block is slidably mounted on the sliding rail, and the other end of the synchronous conveying belt is fixedly mounted on the first sliding block.

8. The automatic PCB board turnover detection device of claim 1, wherein: finished product conveying mechanism is including moving cylinder, support, action wheel, two from driving wheel, hold-in range, conveyer belt, the one end fixed mounting of support in on the moving cylinder, two from the driving wheel install in on the support, hold-in range cover is located on two follow driving wheels, the conveyer belt cover is located two from driving wheel on and with support looks butt, action wheel one end install in from driving wheel on.

9. The automatic PCB board turnover detection device of claim 1, wherein: the turnover mechanism comprises a second slide rail, a second slide block, a support frame, a rotary cylinder and a turnover plate, wherein the second slide rail is arranged on the machine cabinet, the second slide block is arranged on the second slide rail in a sliding manner, the support frame is fixedly arranged on the second slide block, the turnover plate is arranged on the support frame through a rotating shaft, one end of the rotary cylinder is arranged on the support frame, and the other end of the rotary cylinder is arranged on the turnover plate.

10. The automatic PCB board turnover detection device of claim 1, wherein: the automatic PCB overturning detection equipment further comprises a computer display, and the computer display is fixedly installed at the top of the cabinet.