CN112834900A

CN112834900A - PCB board detects machine

Info

Publication number: CN112834900A
Application number: CN202011606687.5A
Authority: CN
Inventors: 张宾; 邱国财; 陈新准; 马鹏飞; 何伟生; 郑晓银; 刘光亮; 刘新雅; 张运龙; 奉贞丽; 李宁子; 傅凯强; 吴瑾鹏; 王明锦; 傅王勇; 李国宁; 周海岽; 吴凯萍
Original assignee: Aosong Guangzhou Electronics Co ltd
Current assignee: Aosong Guangzhou Electronics Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-25

Abstract

The invention relates to the technical field of automatic detection, and provides a PCB (printed circuit board) detector which comprises a controller; a detection table; a transport module; a carrying module; a test module; and a temperature sensor dew point sensor; the controller acquires the standard temperature value and the standard humidity value, and detects a preset qualified temperature interval and a preset qualified humidity interval according to the standard temperature value and the standard humidity value; the test module detects the PCB; the controller obtains the temperature value and the humidity value that test module detected out the PCB board to compare the temperature value and the humidity value of this PCB board respectively with qualified temperature interval and qualified humidity interval, when the temperature value and the humidity value of this PCB board were located respectively during qualified temperature interval and qualified humidity interval, then this PCB board detected qualified. According to the invention, the detection efficiency of the PCB is improved by replacing a manual detection means with a machine, manual intervention is reduced, the influence of manual operation on PCB detection is avoided, and the accuracy of the detection result is improved.

Description

PCB board detects machine

Technical Field

The invention relates to the technical field of automatic detection, in particular to a PCB (printed circuit board) detector.

Background

In the PCB manufacturing industry, the PCB production needs to be detected, and only qualified PCB production can be delivered or applied.

The prior art mainly adopts a manual detection mode for detecting the PCB. Because the manual detection operation steps are complicated, the detection efficiency is low, and the accuracy of the detection result is easily influenced by the personal operation skill and proficiency.

Disclosure of Invention

The invention aims to overcome the defects of low PCB detection efficiency and low accuracy of detection results in the prior art, and provides a PCB detection machine which is used for improving the PCB detection efficiency and the accuracy of the detection results.

The technical scheme adopted by the invention is that the PCB detecting machine is provided, wherein a chip is arranged on the PCB and comprises a controller; the detection table is connected with the controller and is provided with a detection position; the transportation module is arranged above the detection table and comprises a sliding mechanism and a sliding guide rail, wherein the sliding mechanism is connected with the controller, is connected with the sliding guide rail in a sliding manner and can slide along the sliding guide rail; the carrying module is connected with the controller and connected with the sliding mechanism, and is used for carrying the PCB; the test module is connected with the controller and is connected with the sliding mechanism; the temperature sensor is connected with the controller and arranged on the detection table, and the temperature sensor detects that the temperature value in the detection environment is a standard temperature value; the dew point sensor is connected with the controller and arranged on the detection table, and the temperature sensor detects that the humidity value in the detection environment is a standard humidity value; the controller acquires the standard temperature value and the standard humidity value, and detects a preset qualified temperature interval and a preset qualified humidity interval according to the standard temperature value and the standard humidity value; the carrying module moves along the sliding guide rail through a sliding mechanism, and carries the PCB to the detection position, and then the testing module moves above the detection position along the sliding guide rail through the sliding mechanism and detects the PCB; the controller obtains the temperature value and the humidity value detected by the test module, compares the temperature value and the humidity value detected by the test module with the qualified temperature interval and the qualified humidity interval respectively, and detects the PCB to be qualified when the temperature value and the humidity value detected by the test module are respectively located in the qualified temperature interval and the qualified humidity interval.

This scheme adopts the machine to replace the technological means of artifical detection, has improved the detection efficiency of PCB board. And the technical means of machine detection is adopted, so that the manual intervention is reduced, the influence of manual operation on the detection of the PCB is avoided, and the accuracy of the detection result is improved.

Preferably, the PCB board detecting machine further comprises a feeding module and a receiving module which are both connected with the controller, and the feeding module and the receiving module are both arranged on the outer side of the detecting platform and below the conveying module; after the feeding module operates to convey the PCB to a preset position, the conveying module moves to the feeding module along the sliding guide rail through a sliding mechanism to obtain the PCB, and conveys the PCB to the detection position; when the PCB is detected, the carrying module moves to the detection position along the transportation module to obtain the PCB, and carries the PCB to the receiving module; and after the material receiving module acquires the PCB, the PCB is carried to a preset position. This scheme combines the feed module and receipts material module and test module, transportation module, detection platform, forms an album feed and receives the material and detect integrative automatic check out system, and each module functions in coordination to improve the degree of automation of system, further reduced artificial intervention, improved detection efficiency.

Preferably, the feeding module and the receiving module are distributed on two sides of the detection table, and both the feeding module and the receiving module comprise first connecting rods which are provided with a pair of parallel and opposite arrangement; the second connecting rods are provided with a pair of parallel and opposite connecting rods, and the second connecting rods are arranged below the first connecting rods; the pair of conveying belts is arranged, and each conveying belt is arranged on the first connecting rod and the second connecting rod; a first clamping structure is arranged on one side of the transmission belt, which is far away from the first connecting rod and the second connecting rod, and the first clamping structures on the transmission belts which are different from the transmission belt are correspondingly arranged so as to place the PCB; the driving mechanism is connected with the second connecting rod and drives the second connecting rod to operate so as to enable the conveying belt to operate; a motor that is connected to the drive mechanism and the controller and operates the drive mechanism; wherein, the transmission band of feed module upwards operates in order to realize the feed, receive the transmission band downward operation of material module and in order to realize receiving the material. In this scheme, the feed module with receive the material module group and distribute in detect the platform both sides, form the automatic operation assembly line of feed, detection, receipts material promptly according to certain order, the operation of being convenient for. This scheme is under the control of controller, and the motor drives actuating mechanism operation, and actuating mechanism drive second connecting rod operation, second connecting rod drive transmission band operation to realize the feed and receive the material.

Preferably, the conveying belt of the feeding module can run downwards to realize material receiving, and the conveying belt of the material receiving module can run upwards to realize feeding. In the scheme, the operation directions of the feeding module and the receiving module can be set to be opposite, and the functions of the feeding module and the receiving module can be changed according to requirements, namely, the original operation directions of the feeding module are set to be opposite, so that the receiving function is realized; the original running direction of the material receiving module is opposite to that of the material receiving module, so that the feeding function is realized.

Preferably, the driving mechanism comprises a driving wheel, a first driving wheel, a second driving wheel and a driven wheel which are meshed in sequence, and the driving wheel is connected with the motor; the second connecting rod is respectively connected with the driving wheel and the driven wheel.

Preferably, the PCB board detecting machine further comprises a correcting table, wherein the correcting table is positioned on one side of the detecting table and below the transportation module; the correcting table is provided with a correcting groove, and the correcting groove is matched with the outline of the PCB; the carrying module can move along the sliding guide rail through the sliding mechanism so as to carry the PCB to the correcting groove for correction; and after the correction is finished, the carrying module acquires the PCB and carries the PCB to the detection position. According to the scheme, the correcting table is used for correcting the position of the PCB so as to facilitate subsequent detection, reduce interference factors and improve the accuracy of a detection result.

Preferably, the carrying module comprises a movable cylinder and a vacuum suction plate, the movable cylinder is connected with the controller, and a vacuum suction port communicated with the movable cylinder is arranged at the bottom of the vacuum suction plate; the carrying module moves up and down through the movable air cylinder and adsorbs the PCB through the vacuum suction port.

Preferably, the test module is provided with two detection joints; a plurality of detection ports are distributed on both sides of the detection position, and two detection connectors are respectively inserted into the detection ports on both sides of the detection position for detection; when the PCB is arranged on the detection position, the test module moves along the sliding guide rail through the sliding mechanism and sequentially detects the detection port through the detection joint.

Preferably, the PCB board detector further comprises a pressing plate, a pressing plate mounting rack, a lifting mechanism and a moving mechanism which are connected with the controller; the pressing plate is movably connected with the pressing plate mounting frame through the lifting mechanism, and the moving mechanism is arranged at the bottom of the pressing plate mounting frame; when the PCB is arranged in the detection position, the pressing plate mounting frame moves to a preset position through the moving mechanism, the pressing plate is arranged above the PCB through the lifting mechanism, and the PCB is detected through the testing module. In this scheme, through the clamp plate crimping is in the PCB board top of detecting the position, can avoid being the testing process, detects the module and presses the PCB board, causes the damage to the PCB board.

Preferably, the pressing plate is provided with a first hollow area and a second hollow area, the first hollow area covers the PCB, and the second hollow area covers the detection port. This scheme sets up first fretwork district and avoids causing the damage to the PCB board, and the second fretwork district is avoided causing the influence to the testing process. By combining the above, the normal detection of the detection can be ensured while the PCB is protected.

Compared with the prior art, the invention has the beneficial effects that: the PCB detection device adopts the technical means of the controller, the detection table, the transportation module, the carrying module, the test module, the feeding module, the receiving module, the correction table and the like, optimizes all parts, and replaces the manual detection means with a machine, so that the PCB detection efficiency is improved, the manual intervention is reduced, the influence of manual operation on the PCB detection is avoided, and the accuracy of the detection result is improved.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a side view of the present invention.

Reference numerals: the detection device comprises a detection table 100, a detection position 101, a temperature sensor 102, a dew point sensor 103, a detection port 104, a transportation module 200, a sliding mechanism 201, a sliding guide rail 202, a carrying module 300, a movable cylinder 301, a vacuum suction plate 302, a test module 400, a feeding module 500, a first connecting rod 501, a second connecting rod 502, a conveying belt 503, a first clamping structure 5031, a motor 504, a driving wheel 505, a first driving wheel 506, a second driving wheel 507, a driven wheel 508, a baffle 509, a receiving module 600, a correction table 700, a correction groove 701, a pressing plate 801, a first hollow area 8011, a second hollow area 8012, a pressing plate mounting frame 802, a lifting mechanism 803, a moving mechanism 804, an identification module 900, a sheet loading clamp 110, a placing cavity 111, a second clamping structure 1111, a pressing plate 120, a base 130 and a support column 140.

Detailed Description

The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1 and fig. 2, the present embodiment provides a PCB detecting machine for detecting a PCB, which includes a controller, a detecting platform 100, a transporting module 200, a carrying module 300, a testing module 400, a feeding module 500, a receiving module 600, a loading clamp 110, a pushing plate 120, a calibration platform 700, a pressing module, and an identifying module 900.

To facilitate understanding of the embodiments of the present application, the operation of the PCB inspection machine according to the embodiments of the present application will be described first. The PCB is provided with a chip. The PCB board detector is used for detecting whether the PCB board is qualified or not. First, a temperature sensor 102 and a dew point sensor 103, both connected to a controller, are provided on the detection table 100. The temperature sensor 102 and the dew point sensor 103 detect a temperature value and a humidity value in the detection environment, which are a standard temperature value and a standard humidity value, respectively. And presetting qualified parameters in a controller in advance, and presetting a qualified temperature interval and a qualified humidity interval according to the standard temperature value, the standard humidity value and the qualified parameters after the controller acquires the standard temperature value and the standard humidity value. Next, before the PCB is inspected, the PCB is placed in the loading folder 110, and the PCB in the loading folder 110 is transferred into the feeding module 500 by the pushing plate 120. Next, under the control of the controller, the carrying module 300 moves and acquires the PCB board through the transporting module 200, and places the PCB board on the correcting table 700 for position correction. Again, the carrying module 300 moves through the transporting module 200 and acquires the corrected PCB and places the PCB on the inspection position 101 on the inspection station 100. Again, the identification module 900 scans the PCB to determine the identity information of the PCB. Thirdly, moving the pressing module to a preset position, and pressing the pressing module above the PCB on the detection position 101; thirdly, the test module 400 moves to the upper part of the detection position 101 through the carrying module 300, and detects the PCB on the detection position 101, and through comparison of the controller, when the test module 400 detects that the temperature value and the humidity value of the PCB are respectively positioned in the qualified temperature interval and the qualified humidity interval, the PCB is qualified. And thirdly, after the detection is finished, the pressing module moves away from the PCB. Thirdly, the carrying module 300 moves through the transporting module 200 and obtains the PCB that is qualified for detection, and places the PCB in the receiving module 600.

Wherein, the detecting table 100 is connected with the controller and is arranged on the base 130. The upper surface of the detection table 100 is provided with a detection position 101, and the size of the detection position 101 is matched with that of the PCB. Because the test result of PCB board also can receive the influence of detection ring border, this application embodiment also can be with temperature sensor 102 and dew point sensor 103 respectively direct detection ring border temperature value and humidity value, temperature sensor 102 and dew point sensor 103 respectively detect out temperature value and humidity value be standard temperature value and standard humidity value. A plurality of detection ports 104 are distributed on both sides of a detection position 101 on the detection table 100, and the detection ports 104 on both sides of the detection position 101 are respectively a signal input port and a signal output port.

In another embodiment, a sealed chamber is provided in the test station 100, and a standard environment is formed in the sealed chamber. The detection table 100 is further provided with a temperature sensor 102 and a dew point sensor 103 connected with a uniform controller, but not limited to the two sensors, and the types of the sensors can be set according to requirements. The detection end of the temperature sensor 102 and the detection end of the dew point sensor 103 are inserted into through holes in the side wall of the sealed cavity, communicated to the sealed cavity and form a sealed environment with the sealed cavity. The temperature sensor 102 and the dew point sensor 103 detect a standard environment in the sealed cavity, and respectively obtain a standard temperature value and a standard humidity value, wherein the standard temperature value and the standard humidity value are reference values corresponding to the PCB to be detected. The standard environment in the sealed cavity can be adjusted according to requirements.

Wherein, the transportation module 200 is installed on the base 130 through the supporting column 140. The transport module 200 is a transverse transport screw module. The transportation module 200 is located above the inspection station 100 and has a certain distance from the inspection station 100. The transportation module 200 comprises a sliding mechanism 201 and a sliding guide 202, wherein the sliding mechanism 201 is connected with the controller and can slide along the sliding guide 201 under the control of the controller.

The carrying module 300 is connected to the controller and connected to the transportation module 200 through the sliding mechanism 201. The carrying module 300 comprises a movable air cylinder 301 and a vacuum suction plate 302, wherein the movable air cylinder 302 is connected with the controller, and the bottom of the vacuum suction plate 302 is provided with a vacuum suction port communicated with the movable air cylinder 301; the carrying module 300 moves up and down through the movable cylinder 301, and adsorbs the PCB through the vacuum suction port.

In another embodiment, the carrying module 300 may absorb the PCB board by a vacuum chuck.

In another embodiment, the handling module 300 may directly grip the PCB board by means of a robot.

The test module 400 is connected to the controller and connected to the transport module 200 through the sliding mechanism 201. The test module 400 is provided with a cylinder, and the test module 400 can move up and down by cylinder control. The test module 400 has two test connectors, i.e., a signal input connector and a signal output connector. The signal input connector and the signal output connector are simultaneously inserted into the corresponding group of signal input ports and signal output ports to detect the PCB. When the detection of one group of signal input ports and signal output ports is completed, the test module 400 ascends and moves a certain distance through the transportation module 200, and then the test module 400 descends, so that the detection connector detects the next group of signal input ports and signal output ports.

The identification module 900 is connected to the controller and connected to the transportation module 200 through the sliding mechanism 201. The recognition module 900 is provided with a cylinder, and the recognition module 900 can move up and down by cylinder control. The PCB is provided with an identification code which can be a two-dimensional code or a bar code. The identification module 900 scans the PCB located on the detection position 101 by infrared rays to determine the identity of the PCB.

In another embodiment, the carrying module 300, the testing module 400, and the identification module 900 respectively include a sliding mechanism, and are slidably connected to the transportation module 200 through the sliding mechanism.

In another embodiment, the transportation module 200 is provided with a plurality of modules, and is slidably connected to the carrying module 300, the testing module 400, the identification module 900, or any combination thereof.

Wherein, the feeding module 500 and the receiving module 600 are both disposed outside the detecting table 100, and can be disposed on the same side or different sides of the detecting table 100, preferably, the feeding module 500 and the receiving module 600 are disposed on both sides of the detecting table 100. The feeding module 500 and the receiving module 600 each include a first link 501, a second link 502, a conveyor 503, a driving mechanism, a motor 504, and a baffle 509. Specifically, the first link 501 is provided with a pair and is arranged in parallel and opposite, but not limited to only a pair. When the first link 501 is provided with a plurality of pairs, they are arranged in parallel in order from top to bottom. Specifically, the second link 502 is provided with a pair of parallel and opposite links, and the second link 502 is disposed below the first link 501. Specifically, a pair of the conveyor belts 503 is provided, and each conveyor belt 503 is mounted on the first link 501 and the second link 502. A first blocking structure 5031 is arranged on one side of the transmission belt 503, which is far away from the first connecting rod 501 and the second connecting rod 502, and the first blocking structures 5031 on different transmission belts 503 of the same pair of transmission belts 503 are correspondingly arranged to place the PCB board. Specifically, a driving mechanism is connected to the second link 502 and drives the second link 502 to operate, so as to operate the conveyor belt 503. As shown in fig. 3, the driving mechanism may include a plurality of gears, respectively, a driving pulley 505, a first driving pulley 506, a second driving pulley 507, and a driven pulley 508. The driving wheel 505, the first driving wheel 506, the second driving wheel 507 and the driven wheel 508 are meshed in sequence. The second connecting rod 502 is connected with a driving pulley 505 and a driven pulley 508, respectively. Specifically, the motor 504 connects a driving wheel 505 of the driving mechanism and the controller, and operates the driving wheel 505. Specifically, the baffle 509 is disposed on the same side of and between the same pair of belts. The operation process of the feeding module 500 and the receiving module 600 is specifically as follows: under the control of the controller, the motor 504 operates to drive the driving wheel 505 to operate, the driving wheel 505 drives the driven wheel 508 to operate through the first driving wheel 506 and the second driving wheel 507, and the driving wheel 505 and the driven wheel 508 respectively drive the second connecting rod 502 to operate, thereby driving the conveying belt 503 to operate. The conveying belt 503 of the feeding module 500 runs upward to realize feeding, and the conveying belt of the receiving module 600 runs downward to realize receiving.

In one embodiment, the conveyor 503 of the feeding module 500 runs upward to feed the material, and the conveyor of the receiving module 600 runs downward to receive the material. In addition, the conveying belt of the feeding module 500 can also be operated downwards to receive the material, and the conveying belt of the receiving module 600 can also be operated upwards to feed the material.

The sheet loading clamp 110 is located at one side of the feeding module 500, and the sheet loading clamp 110 is provided with a placing cavity 111 communicating two opposite side surfaces thereof. Two opposite lateral walls of the placing cavity 111 are correspondingly provided with second clamping structures 1111 for placing the PCB. The push plate 120 is sized to match the placement cavity 111. The PCB placed in the loading jaw 110 is pushed by the push plate 120 to move the PCB into the feeding module 500.

The calibration table 700 is located at one side of the detection table 100 close to the feeding module and below the transportation module 200. The calibration table 700 is provided with a calibration groove 701, and the calibration groove 701 is matched with the outline of the PCB. The correction process of the PCB comprises the following steps: the carrying module 300 sucks the PCB from the feeding module through the vacuum suction ports and moves to the aligning table 700 along the transporting module 200, and places the PCB in the aligning recess 701 on the aligning table 700. After the completion of the calibration, the vacuum suction port sucks the calibrated PCB again, and carries the PCB to the inspection station 100.

As shown in fig. 3, the pressing module includes a pressing plate 801, a pressing plate mounting rack 802, and a lifting mechanism 803 and a moving mechanism 804 both connected to the controller. The lifting mechanism 803 and the moving mechanism 804 each include a cylinder. The pressing plate 801801 is provided with a first hollowed-out area 8011 and a second hollowed-out area 8012, the first hollowed-out area 8011 is provided with one, the second hollowed-out area 8012 is provided with two, after the pressing plate 801 is pressed on the detection table 100, the first hollowed-out area 8011 covers the PCB, and the second hollowed-out area 8012 covers the detection port 104. The pressing plate 801 is movably connected with the pressing plate mounting rack 802 through a lifting mechanism 803, and the moving mechanism 804 is arranged at the bottom of the pressing plate mounting rack 802. The operation process of the pressing module comprises the following steps: when the PCB is placed in the detection position 101, the pressing plate mounting rack 802 is moved to a preset position through the moving mechanism 804, and the pressing plate 801 is placed above the PCB through the lifting mechanism 803, and then the PCB is detected by the test module 400.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.

Claims

1. A PCB board detects machine, be equipped with the chip on the PCB board, its characterized in that includes

A controller;

a detection table (100) which is connected with the controller and is provided with a detection position (101);

the transportation module (200) is arranged above the detection table (100) and comprises a sliding mechanism (201) and a sliding guide rail (202), wherein the sliding mechanism (202) is connected with the controller, is connected with the sliding guide rail (201) in a sliding manner and can slide along the sliding guide rail (201);

a carrying module (300) connected with the controller and connected with the sliding mechanism (202), wherein the carrying module is used for carrying the PCB;

a test module (400) connected to the controller and connected to the slide mechanism (202); and

a temperature sensor (102) connected to the controller and provided on the detection table (100), wherein the temperature sensor (102) detects that a temperature value in a detection environment is a standard temperature value; and

a dew point sensor (103) connected to the controller and provided on the detection table (100), the temperature sensor (102) detecting that a humidity value in a detection environment is a standard humidity value;

the controller acquires the standard temperature value and the standard humidity value, and detects a preset qualified temperature interval and a preset qualified humidity interval according to the standard temperature value and the standard humidity value;

the carrying module (300) moves along the sliding guide rail (202) through a sliding mechanism (201), and carries the PCB to the detection position, and then the testing module moves above the detection position (101) along the sliding guide rail (202) through the sliding mechanism (201) and detects the PCB;

the controller obtains the temperature value and the humidity value detected by the test module (400), compares the temperature value and the humidity value detected by the test module (400) with the qualified temperature interval and the qualified humidity interval respectively, and detects the PCB to be qualified when the temperature value and the humidity value detected by the test module (400) are respectively located in the qualified temperature interval and the qualified humidity interval.

2. The PCB board detecting machine of claim 1, further comprising a feeding module (500) and a receiving module (600) both connected to the controller, wherein the feeding module (500) and the receiving module (600) are both disposed outside the detecting table (100) and below the transporting module (200);

after the feeding module (500) operates to convey the PCB to a preset position, the conveying module (300) moves to the feeding module (500) along the sliding guide rail (202) through a sliding mechanism (201) to obtain the PCB, and conveys the PCB to the detection position (101);

when the PCB is detected, the carrying module (300) moves to the detection position (101) along the transportation module (200) to obtain the PCB, and carries the PCB to the receiving module (600);

after the material receiving module (600) acquires the PCB, the PCB is carried to a preset position.

3. The PCB board detecting machine of claim 2, wherein the feeding module (500) and the receiving module (600) are distributed on two sides of the detecting platform (100), and the feeding module (500) and the receiving module (600) comprise

A pair of first links (501) disposed in parallel and facing each other;

a pair of second connecting rods (502) which are arranged in parallel and opposite to each other, wherein the second connecting rods (502) are arranged below the first connecting rods (501);

a pair of transmission belts (503), wherein each transmission belt (503) is installed on the first connecting rod (501) and the second connecting rod (502); a first clamping structure (5011) is arranged on one side, far away from the first connecting rod (501) and the second connecting rod (502), of the conveying belt (503), and the first clamping structures (5031) on the conveying belts (503) different from the conveying belt (503) are correspondingly arranged to place the PCB;

a driving mechanism which is connected with the second connecting rod (502) and drives the second connecting rod (502) to operate so as to drive the conveying belt (503) to operate;

a motor (504) that is connected to the drive mechanism and the controller and operates the drive mechanism;

wherein, the transmission band of feed module (500) upwards operates in order to realize the feed, receive the transmission band of material module (600) and operate downwards in order to realize receiving the material.

4. The PCB board detecting machine of claim 3, wherein the conveyor belt of the feeding module (500) can be operated downwards to realize material collection, and the conveyor belt of the material collecting module (600) can be operated upwards to realize feeding.

5. The PCB board detecting machine according to claim 3, wherein the driving mechanism comprises a driving wheel (505), a first driving wheel (506), a second driving wheel (507) and a driven wheel (508) which are engaged in sequence, the driving wheel (505) is connected with the motor (504); the second connecting rod (502) is respectively connected with the driving wheel (505) and the driven wheel (508).

6. The PCB board detecting machine according to claim 1, further comprising a correcting table (700), wherein the correcting table (700) is positioned at one side of the detecting table (100) and below the transportation module (200);

the correction table (700) is provided with a correction groove (701), and the correction groove (701) is matched with the outline of the PCB;

the carrying module (300) can move along the sliding guide rail (202) through the sliding mechanism (201) to carry the PCB to the correcting groove (701) for correction; after the correction is completed, the carrying module (300) acquires the PCB and carries the PCB to the detection position (101).

7. The PCB board detecting machine according to claim 1, wherein the carrying module (300) comprises a movable cylinder (301) and a vacuum suction plate (302), the movable cylinder (302) is connected with the controller, and a vacuum suction port communicated with the movable cylinder (301) is arranged at the bottom of the vacuum suction plate (302);

the carrying module (300) moves up and down through the movable air cylinder (301) and adsorbs the PCB through the vacuum suction port.

8. The PCB board inspection machine of claim 1, wherein the test module (400) is provided with two inspection connectors; a plurality of detection ports (104) are distributed on both sides of the detection position (101), and two detection connectors are respectively inserted into the detection ports (104) on both sides of the detection position (101) for detection;

when the PCB is arranged on the detection position (101), the test module (400) moves along the sliding guide rail (202) through the sliding mechanism (201), and the detection port (104) is sequentially detected through the detection joint.

9. The PCB board detecting machine of claim 8, further comprising a pressing plate (801), a pressing plate mounting rack (802), and a lifting mechanism (803) and a moving mechanism (804) which are connected with the controller;

the pressing plate (801) is movably connected with the pressing plate mounting rack (802) through the lifting mechanism (803), and the moving mechanism (804) is arranged at the bottom of the pressing plate mounting rack (802);

when the PCB is arranged in the detection position (101), the pressing plate mounting frame (802) is moved to a preset position through the moving mechanism (804), the pressing plate (801) is arranged above the PCB through the lifting mechanism (803), and then the PCB is detected through the test module (400).

10. The PCB board detecting machine according to claim 9, wherein the pressing plate (801) is provided with a first hollowed-out area (8011) and a second hollowed-out area (8012), the first hollowed-out area (8011) covers the PCB board, and the second hollowed-out area (8012) covers the detecting opening (104).