CN212031328U

CN212031328U - FPC board defect detecting machine

Info

Publication number: CN212031328U
Application number: CN202020757139.1U
Authority: CN
Inventors: 杨勇
Original assignee: Shanghai Jutze Technology Co ltd
Current assignee: Shanghai Jutze Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-11-27
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to the technical field of soft board defect detection, and discloses a FPC board defect detector, which comprises a machine table, an A surface X-axis conveying device, an A surface detecting device, a B surface X-axis conveying device, a B surface detecting device and a vacuum adsorption platform, wherein the A surface X-axis conveying device, the A surface detecting device, the B surface X-axis conveying device, the B surface detecting device and the vacuum adsorption platform are fixedly arranged on the machine table; the A-surface X-axis conveying device comprises an A-surface jig for fixing the B surface of the adsorption product and a first X-axis driving mechanism for driving the A-surface jig to move along the X-axis direction; the A-plane detection device comprises an A-plane camera and a first Y-axis driving mechanism for driving the A-plane camera to move along the Y-axis direction; the B surface X-axis conveying device comprises a B surface jig for fixing the A surface of the adsorption product and a second X-axis driving mechanism for driving the B surface jig to move along the X-axis direction; the B-plane detection device comprises a B-plane camera and a second Y-axis driving mechanism for driving the B-plane camera to move along the Y-axis direction. In this way, the utility model discloses can automated inspection detect the defect in the FPC board, promote stability and efficiency greatly.

Description

FPC board defect detecting machine

Technical Field

The utility model relates to a soft board defect detection technical field especially relates to a FPC board defect detecting machine.

Background

The classification method of the soft board (FPC board) products is many, and the classification method can be divided into the following steps according to the number of the attaching layers of the FPC board: single-sided boards, double-sided boards, multi-layer boards, and rigid-flex boards. The market share of the FPC board, which is a common circuit board type of the FPC board defect detector, is continuously increasing along with the development of electronic products towards miniaturization and portability. However, defects such as open circuit, short circuit, and inconsistent line width may occur in the production processes of processing, loading, mounting, etc. of the FPC board. At present, defects are mostly manually inspected, the manual inspection is to cooperatively inspect the FPC board by a microscope, and the FPC board is seen to have defects such as broken grids, connected grids, pinholes, folding and the like, so that the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a FPC board defect detection machine, can the automated inspection go out the defect in the FPC board, has promoted stability and efficiency greatly.

In order to solve the technical problem, the utility model discloses a technical scheme be: provided is an FPC board defect detecting machine, including: the device comprises a machine table, an A surface X-axis conveying device, an A surface detection device, a B surface X-axis conveying device, a B surface detection device and a vacuum adsorption platform, wherein the A surface X-axis conveying device, the A surface detection device, the B surface X-axis conveying device, the B surface detection device and the vacuum adsorption platform are fixedly arranged on the machine table; the A-surface X-axis conveying device comprises an A-surface jig used for fixing the B surface of the adsorption product and a first X-axis driving mechanism used for driving the A-surface jig to horizontally and transversely move along the X-axis direction, and the A-surface jig can move to be opposite to the A-surface detection device or the B-surface X-axis conveying device; the A-side detection device comprises an A-side camera for detecting whether the A-side of the product has defects and a first Y-axis driving mechanism for driving the A-side camera to horizontally and vertically move along the Y-axis direction, and the A-side camera can move to be opposite to the A-side jig; the B surface X-axis conveying device comprises a B surface jig for fixing the A surface of the adsorption product, a Z-axis driving mechanism for driving the B surface jig to vertically move up and down along the Z-axis direction, and a second X-axis driving mechanism for driving the B surface jig and the Z-axis driving mechanism to horizontally and transversely move along the X-axis direction at the same time, wherein the B surface jig can move to be opposite to the A surface jig, the B surface detection device or the vacuum adsorption platform; the B surface detection device comprises a B surface camera for detecting whether the B surface of the product has defects and a second Y-axis driving mechanism for driving the B surface camera to horizontally and vertically move along the Y-axis direction, and the B surface camera can move to be opposite to the B surface jig.

Preferably, the two A-surface X-axis conveying devices are arranged, and the two A-surface X-axis conveying devices are parallel and opposite; the A surface detection device is erected above the two A surface X-axis conveying devices, and the first Y-axis driving mechanism works to control the A surface camera to move and to be opposite to the two A surface X-axis conveying devices respectively; the two B-surface X-axis conveying devices are symmetrically positioned at the outer sides of the two A-surface X-axis conveying devices and respectively correspond to the two A-surface X-axis conveying devices; the B-surface detection device is positioned below the two A-surface X-axis conveying devices, and the second Y-axis driving mechanism works to control the B-surface camera to move and to be respectively opposite to the two B-surface X-axis conveying devices; the vacuum adsorption platforms are located between the two B-surface X-axis conveying devices, and correspond to the two B-surface X-axis conveying devices respectively.

Preferably, the first X-axis driving mechanism comprises an X-axis driving motor, an X-axis lead screw, an X-axis slide rail and an X-axis slide block; the X-axis slide rail is horizontally and transversely fixed on the machine table, and the length direction of the X-axis slide rail is the X-axis direction; the X-axis screw rod is parallel and opposite to the X-axis slide rail, an output shaft of the X-axis driving motor is connected with the X-axis screw rod, and the X-axis driving motor can control the X-axis screw rod to rotate around the axis of the X-axis driving motor; the X-axis sliding block is slidably arranged on the X-axis sliding rail and is rotatably connected with the X-axis lead screw, and the X-axis lead screw rotates to control the X-axis sliding block to move back and forth along the X-axis sliding rail; the movable direction of the X-axis slide block corresponds to the X-axis direction; the A-side jig is fixedly installed on the X-axis sliding block.

Preferably, the structural composition of the second X-axis driving mechanism is the same as that of the first X-axis driving mechanism; the Z-axis driving mechanism is fixed on an X-axis sliding block of the second X-axis driving mechanism; the Z-axis driving mechanism comprises a Z-axis driving motor, a Z-axis lead screw, a Z-axis slide rail and a Z-axis slide block; the length direction of the Z-axis slide rail is the Z-axis direction, the Z-axis lead screw is parallel and opposite to the Z-axis slide rail, the output shaft of the Z-axis driving motor is connected with the Z-axis lead screw, and the Z-axis driving motor can control the Z-axis lead screw to rotate around the axis of the Z-axis driving motor when working; the Z-axis sliding block is slidably arranged on the Z-axis sliding rail and is rotatably connected with the Z-axis lead screw, and the Z-axis lead screw can control the Z-axis sliding block to move back and forth along the Z-axis sliding rail by rotating, namely the movable direction of the Z-axis sliding block is the Z-axis direction; and the B-side jig is fixedly arranged on the Z-axis sliding block through a jig support.

Preferably, the first Y-axis driving mechanism is horizontally and vertically erected on the machine table through a support, and the specific structural composition of the first Y-axis driving mechanism is the same as that of the first X-axis driving mechanism.

Preferably, the second Y-axis driving mechanism is horizontally and vertically fixed below the table top of the machine table, and an avoidance port is formed in the table top of the machine table; the specific structural composition of the second Y-axis driving mechanism is the same as that of the first X-axis driving mechanism.

Preferably, the A-side jig comprises a jig panel, a sealing ring and a jig bottom plate, the jig panel is fixedly connected with the jig bottom plate, and the sealing ring is positioned between the jig panel and the jig bottom plate; after the jig panel, the sealing ring and the jig bottom plate are fixedly assembled, a closed space is formed inside the jig panel, the sealing ring and the jig bottom plate.

Preferably, the structural composition of the B surface jig is the same as that of the A surface jig.

Preferably, the structure composition of the vacuum adsorption platform is the same as that of the A-side jig.

The utility model has the advantages that: the utility model discloses can adsorb the method of soft board and cooperate the automatic scanning of camera through two-sided handing-over, can detect out the defect in the FPC board to automatic manual work has been replaced, stability and efficiency have been promoted greatly.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a FPC board defect inspection machine of the present invention;

FIG. 2 is a schematic view of a planar structure of the FPC board defect inspection machine of the present invention;

FIG. 3 is a schematic view of an exploded structure of an A-side jig of the FPC board defect inspection machine of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the utility model, wherein the surface B jig and the surface A jig are in a relative state.

The parts in the drawings are numbered as follows: 1. an A-plane X-axis transport device; 11. a surface A jig; 111. a jig panel; 112. a seal ring; 113. a jig base plate; 12. a first X-axis drive mechanism; 2. a surface A detection device; 21. an A-side camera; 22. a first Y-axis drive mechanism; 3. a B-plane X-axis conveying device; 31. b surface fixture; 32. a Z-axis drive mechanism; 33. a second X-axis drive mechanism; 4. a B-side detection device; 41. a B-side camera; 42. a second Y-axis drive mechanism; 5. a vacuum adsorption platform; 6. a machine platform; 61. a table top; 62. a support; 63. avoiding the mouth.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 4, an embodiment of the present invention includes:

a FPC board defect detecting machine includes: the device comprises a machine table 6, an A-surface X-axis conveying device 1, an A-surface detection device 2, a B-surface X-axis conveying device 3, a B-surface detection device 4 and a vacuum adsorption platform 5. The A-surface X-axis conveying devices 1 are horizontally and transversely arranged on a table surface 61 of the machine table 6, the number of the A-surface X-axis conveying devices 1 is two, and the two A-surface X-axis conveying devices 1 are opposite in parallel. The A surface detection device 2 is horizontally and vertically erected on a table surface 61 of the machine table 6, the A surface detection device 2 is located above the two A surface X-axis conveying devices 1, and the A surface detection device 2 is vertically opposite to the two A surface X-axis conveying devices 1. The two B-surface X-axis conveying devices 3 are horizontally and transversely arranged on a table surface 61 of the machine table 6, the two B-surface X-axis conveying devices 3 are symmetrically arranged on the outer sides of the two A-surface X-axis conveying devices 1, and the two B-surface X-axis conveying devices 3 and the two A-surface X-axis conveying devices 1 can respectively correspond to each other. The B surface detection device 4 is horizontally and vertically arranged below the table surface 61 of the machine table 6, the B surface detection device 4 is positioned below the two B surface X-axis conveying devices 3, and the B surface detection device 4 is vertically opposite to the two B surface X-axis conveying devices 3. Vacuum adsorption platform 5 fixed mounting be in on the mesa 61 of board 6, vacuum adsorption platform 5 has two, and two vacuum adsorption platforms 5 are located between two B face X axle conveyor 3, and two vacuum adsorption platforms 5 correspond two B face X axle conveyor 3 respectively.

The A-surface X-axis conveying device 1 comprises an A-surface jig 11 and a first X-axis driving mechanism 12, the first X-axis driving mechanism 12 is horizontally and transversely arranged on the machine table 6, the A-surface jig 11 is horizontally arranged on the first X-axis driving mechanism 12, the first X-axis driving mechanism 12 works to control the A-surface jig 11 to move along the X-axis direction, and the A-surface jig 11 on the A-surface X-axis conveying device 1 can move to be opposite to the A-surface detection device 2; the A-side jig 11 is used for vacuum adsorption of the FPC board, and specifically corresponds to the B side for adsorption of the FPC board (two sides of the FPC board can be respectively defined as the A side and the B side); the first X-axis driving mechanism 12 is used for driving the a-side jig 11 to move horizontally and laterally, that is, to move in the X-axis direction. The first X-axis driving mechanism 12 comprises an X-axis driving motor, an X-axis lead screw, an X-axis slide rail and an X-axis slide block; the X-axis slide rail is horizontally and transversely fixed on the machine table 6, and the length direction of the X-axis slide rail is the X-axis direction; the X-axis screw rod is parallel and opposite to the X-axis slide rail, an output shaft of the X-axis driving motor is connected with the X-axis screw rod, and the X-axis driving motor can control the X-axis screw rod to rotate around the axis of the X-axis driving motor; the X-axis sliding block is slidably arranged on the X-axis sliding rail and is rotatably connected with the X-axis lead screw, and the X-axis lead screw rotates to control the X-axis sliding block to move back and forth along the X-axis sliding rail; the movable direction of the X-axis slider corresponds to the X-axis direction. The A-side jig 11 is fixedly installed on the X-axis sliding block. The a-side jig 11 comprises a jig panel 111, a sealing ring 112 and a jig bottom plate 113, wherein the jig panel 111 is fixedly connected with the jig bottom plate 113, and the sealing ring 112 is positioned between the jig panel 111 and the jig bottom plate 113; after the jig panel 111, the sealing ring 112 and the jig bottom plate 113 are fixedly assembled, a closed space is formed inside to realize vacuum adsorption.

The A-plane detection device 2 comprises an A-plane camera 21 and a first Y-axis driving mechanism 22, the first Y-axis driving mechanism 22 is horizontally and vertically erected on the machine table 6 through a support 62, the A-plane camera 21 is arranged on the first Y-axis driving mechanism 22, the first Y-axis driving mechanism 22 works and controls the A-plane camera 21 to move along the Y-axis direction, the Y-axis direction is perpendicular to the X-axis direction, and the A-plane camera 21 can move to be opposite to the A-plane X-axis conveying device 1; under certain conditions, the a-side camera 21 can be opposite to the product on the a-side jig 11, the a-side camera 21 can irradiate the a-side of the detected product, and the a-side camera 21 can automatically scan to obtain an image and detect whether the a-side of the product has defects; the first Y-axis drive mechanism 22 is used to drive the a-plane camera 21 to perform horizontal vertical movement, i.e., movement in the Y-axis direction. The structural composition of the first Y-axis drive mechanism 22 is the same as the structural composition of the first X-axis drive mechanism 12.

The B-surface X-axis conveying device 3 comprises a B-surface jig 31, a Z-axis driving mechanism 32 and a second X-axis driving mechanism 33, the second X-axis driving mechanism 33 is horizontally and transversely arranged on the machine table 6, the Z-axis driving mechanism 32 is arranged on the second X-axis driving mechanism 33, the B-surface jig 31 is horizontally arranged on the Z-axis driving mechanism 32, the second X-axis driving mechanism 33 works and controls the Z-axis driving mechanism 32 and the B-surface jig 31 on the Z-axis driving mechanism 32 to move along the X-axis direction simultaneously, the Z-axis driving mechanism 32 works and controls the B-surface jig 31 to move along the Z-axis direction, and the Z-axis direction is perpendicular to the X-axis direction and the Y-axis direction; the surface B jig 31 is correspondingly positioned above the surface A jig 11, the surface B jig 31 can be parallel and opposite to (i.e. opposite to) the surface A jig 11 under the control of the second X-axis driving mechanism 33, and the surface B jig 31 is used for vacuum adsorption of the FPC board on the surface A jig 11, and specifically correspondingly adsorbs the surface A of the FPC board; the Z-axis driving mechanism 32 is used for driving the B-side jig 31 to vertically move up and down, that is, to move in the Z-axis direction, so that the B-side jig 31 descends to adsorb the product on the a-side jig 11; the second X-axis driving mechanism 33 is used for driving the Z-axis driving mechanism 32 and the B-side jig 31 on the Z-axis driving mechanism 32 to perform horizontal lateral movement, i.e. movement in the X-axis direction. The structural composition of the second X-axis driving mechanism 33 is the same as that of the first X-axis driving mechanism 12. The Z-axis driving mechanism 32 is fixed to an X-axis slider of the second X-axis driving mechanism 33; the Z-axis driving mechanism 32 comprises a Z-axis driving motor, a Z-axis lead screw, a Z-axis slide rail and a Z-axis slide block; the length direction of the Z-axis slide rail is the Z-axis direction, the Z-axis lead screw is parallel and opposite to the Z-axis slide rail, the output shaft of the Z-axis driving motor is connected with the Z-axis lead screw, and the Z-axis driving motor can control the Z-axis lead screw to rotate around the axis of the Z-axis driving motor when working; the Z-axis sliding block is slidably arranged on the Z-axis sliding rail and is rotatably connected with the Z-axis lead screw, and the Z-axis lead screw can control the Z-axis sliding block to move back and forth along the Z-axis sliding rail by rotating, namely the movable direction of the Z-axis sliding block is the Z-axis direction; the B surface jig 31 is fixedly installed on the Z-axis sliding block through a jig support, and the structural composition of the B surface jig 31 is the same as that of the A surface jig 11.

The B surface detection device 4 comprises a B surface camera 41 and a second Y-axis driving mechanism 42, the second Y-axis driving mechanism 42 is horizontally and vertically installed below the table board 61, an avoidance port 63 is correspondingly arranged on the table board 61, the B surface camera 41 is arranged on the second Y-axis driving mechanism 42, the second Y-axis driving mechanism 42 works and controls the B surface camera 41 to move along the Y-axis direction, and the B surface camera 41 can move to be opposite to the B surface X-axis conveying device 3; under certain conditions, the B-side camera 41 can be opposite to the product on the B-side jig 31, the B-side camera 41 can irradiate the B-side of the detected product, and the B-side camera 41 can automatically scan to obtain an image and detect whether the B-side of the product has a defect; the second Y-axis drive mechanism 42 is used for driving the B-plane camera 41 to perform horizontal vertical movement, i.e., movement in the Y-axis direction. The structural composition of the second Y-axis drive mechanism 42 is the same as the structural composition of the first X-axis drive mechanism 12.

The structure composition of the vacuum adsorption platform 5 is the same as that of the A-side jig 11, the vacuum adsorption platform 5 is positioned below the B-side jig 31, the B-side jig 31 can be parallel and opposite to the vacuum adsorption platform 5 under the control of a second X-axis driving mechanism 33, and the vacuum adsorption platform 5 can vacuum adsorb the FPC board on the B-side jig 31 and specifically adsorb the B side of the FPC board correspondingly; the vacuum adsorption platform 5 is used for changing the relative position of the product, adsorbing the product on the B-surface jig 31, namely, correspondingly adsorbing the B surface of the product, so that the manipulator can conveniently grab the next station.

The FPC board defect detection machine comprises the following operation and use steps:

1. grabbing a product (FPC board) to be detected by a manipulator and moving the product to the A-side jig 11, and enabling the A-side jig 11 to vacuum-adsorb the B side of the product to realize feeding;

2. the A-side jig 11 is controlled to move below the A-side detection device 2, and the X-axis movement of the A-side jig 11 and the Y-axis movement of the A-side camera 21 are used for realizing visual automatic scanning to obtain images, so that whether the A-side of the product has defects or not can be detected;

3. after the detection of the A surface of the product is finished, the A surface jig 11 is controlled to move to be opposite to the B surface jig 31, then the B surface jig 31 is controlled to descend to adsorb the product on the A surface jig 11, and the B surface jig 31 ascends and retracts after vacuum adsorption to finish the first double-surface connection adsorption of the product;

4. the B-side jig 31 is controlled to move below the B-side detection device 4, the automatic visual scanning is realized through the X-axis movement of the B-side jig 31 and the Y-axis movement of the B-side camera 41 to obtain images, and whether the B-side of the product has defects or not can be detected;

5. after the detection of the B surface of the product is finished, controlling the B surface jig 31 to move to be opposite to the vacuum adsorption platform 5, then controlling the B surface jig 31 to descend, and lowering the detected product onto the vacuum adsorption platform 5 to finish the second double-surface cross-connection adsorption of the product;

6. and finally, grabbing the detected product on the vacuum adsorption platform 5 to an OK area or an NG area by another manipulator to finish blanking.

The utility model discloses a two-sided handing-over adsorbs the method of soft board and cooperates the automatic scanning of camera, can detect out the defect in the FPC board to automatic manual work has been replaced, stability and efficiency have been promoted greatly.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a FPC board defect detecting machine which characterized in that includes: the device comprises a machine table, an A surface X-axis conveying device, an A surface detection device, a B surface X-axis conveying device, a B surface detection device and a vacuum adsorption platform, wherein the A surface X-axis conveying device, the A surface detection device, the B surface X-axis conveying device, the B surface detection device and the vacuum adsorption platform are fixedly arranged on the machine table; the A-surface X-axis conveying device comprises an A-surface jig used for fixing the B surface of the adsorption product and a first X-axis driving mechanism used for driving the A-surface jig to horizontally and transversely move along the X-axis direction, and the A-surface jig can move to be opposite to the A-surface detection device or the B-surface X-axis conveying device; the A-side detection device comprises an A-side camera for detecting whether the A-side of the product has defects and a first Y-axis driving mechanism for driving the A-side camera to horizontally and vertically move along the Y-axis direction, and the A-side camera can move to be opposite to the A-side jig; the B surface X-axis conveying device comprises a B surface jig for fixing the A surface of the adsorption product, a Z-axis driving mechanism for driving the B surface jig to vertically move up and down along the Z-axis direction, and a second X-axis driving mechanism for driving the B surface jig and the Z-axis driving mechanism to horizontally and transversely move along the X-axis direction at the same time, wherein the B surface jig can move to be opposite to the A surface jig, the B surface detection device or the vacuum adsorption platform; the B surface detection device comprises a B surface camera for detecting whether the B surface of the product has defects and a second Y-axis driving mechanism for driving the B surface camera to horizontally and vertically move along the Y-axis direction, and the B surface camera can move to be opposite to the B surface jig.

2. The FPC board defect detecting machine of claim 1, wherein: the two A-surface X-axis conveying devices are parallel and opposite; the A surface detection device is erected above the two A surface X-axis conveying devices, and the first Y-axis driving mechanism works to control the A surface camera to move and to be opposite to the two A surface X-axis conveying devices respectively; the two B-surface X-axis conveying devices are symmetrically positioned at the outer sides of the two A-surface X-axis conveying devices and respectively correspond to the two A-surface X-axis conveying devices; the B-surface detection device is positioned below the two A-surface X-axis conveying devices, and the second Y-axis driving mechanism works to control the B-surface camera to move and to be respectively opposite to the two B-surface X-axis conveying devices; the vacuum adsorption platforms are located between the two B-surface X-axis conveying devices, and correspond to the two B-surface X-axis conveying devices respectively.

3. The FPC board defect detecting machine of claim 1 or 2, wherein: the first X-axis driving mechanism comprises an X-axis driving motor, an X-axis lead screw, an X-axis sliding rail and an X-axis sliding block; the X-axis slide rail is horizontally and transversely fixed on the machine table, and the length direction of the X-axis slide rail is the X-axis direction; the X-axis screw rod is parallel and opposite to the X-axis slide rail, an output shaft of the X-axis driving motor is connected with the X-axis screw rod, and the X-axis driving motor can control the X-axis screw rod to rotate around the axis of the X-axis driving motor; the X-axis sliding block is slidably arranged on the X-axis sliding rail and is rotatably connected with the X-axis lead screw, and the X-axis lead screw rotates to control the X-axis sliding block to move back and forth along the X-axis sliding rail; the movable direction of the X-axis slide block corresponds to the X-axis direction; the A-side jig is fixedly installed on the X-axis sliding block.

4. The FPC board defect detecting machine of claim 3, wherein: the structural composition of the second X-axis driving mechanism is the same as that of the first X-axis driving mechanism; the Z-axis driving mechanism is fixed on an X-axis sliding block of the second X-axis driving mechanism; the Z-axis driving mechanism comprises a Z-axis driving motor, a Z-axis lead screw, a Z-axis slide rail and a Z-axis slide block; the length direction of the Z-axis slide rail is the Z-axis direction, the Z-axis lead screw is parallel and opposite to the Z-axis slide rail, the output shaft of the Z-axis driving motor is connected with the Z-axis lead screw, and the Z-axis driving motor can control the Z-axis lead screw to rotate around the axis of the Z-axis driving motor when working; the Z-axis sliding block is slidably arranged on the Z-axis sliding rail and is rotatably connected with the Z-axis lead screw, and the Z-axis lead screw can control the Z-axis sliding block to move back and forth along the Z-axis sliding rail by rotating, namely the movable direction of the Z-axis sliding block is the Z-axis direction; and the B-side jig is fixedly arranged on the Z-axis sliding block through a jig support.

5. The FPC board defect detecting machine of claim 3, wherein: the first Y-axis driving mechanism is horizontally and vertically erected on the machine table through a support, and the specific structural composition of the first Y-axis driving mechanism is the same as that of the first X-axis driving mechanism.

6. The FPC board defect detecting machine of claim 3, wherein: the second Y-axis driving mechanism is horizontally and vertically fixed below the table board, and an avoidance port is formed in the table board; the specific structural composition of the second Y-axis driving mechanism is the same as that of the first X-axis driving mechanism.

7. The FPC board defect detecting machine of claim 1, wherein: the A-side jig comprises a jig panel, a sealing ring and a jig bottom plate, wherein the jig panel is fixedly connected with the jig bottom plate, and the sealing ring is positioned between the jig panel and the jig bottom plate; after the jig panel, the sealing ring and the jig bottom plate are fixedly assembled, a closed space is formed inside the jig panel, the sealing ring and the jig bottom plate.

8. The FPC board defect detecting machine of claim 7, wherein: the structure composition of the B surface jig is the same as that of the A surface jig.

9. The FPC board defect detecting machine of claim 7, wherein: the structure composition of the vacuum adsorption platform is the same as that of the A-side jig.