CN114104597A

CN114104597A - High-precision detection system and control method

Info

Publication number: CN114104597A
Application number: CN202111318538.3A
Authority: CN
Inventors: 丁水德
Original assignee: Individual
Current assignee: Shenzhen Saifu Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-01
Anticipated expiration: 2041-11-09
Also published as: CN114104597B

Abstract

The invention relates to a high-precision detection system which comprises two first transmission devices, a detection seat, a data acquisition device, a cloud server and a control system, wherein the two first transmission devices are connected with the detection seat; the two first conveying devices are symmetrically arranged above the detection seat, and each first conveying device comprises a conveying seat and a first conveying belt; the data acquisition device comprises at least a first electronic magnifier, a second electronic magnifier, a light source and a photoelectric sensor; the control system is connected with the cloud server, the first transmission device and the data acquisition device. The invention solves the technical problem of how to improve the detection efficiency of the detection device by arranging the transmission device and the data acquisition device.

Description

High-precision detection system and control method

Technical Field

The invention relates to the field of high-precision detection systems, in particular to a high-precision detection system and a control method.

Background

With the development of electronic technology, the functions of various electronic products are continuously upgraded, and higher requirements are also placed on the manufacturing and detection processes of the circuit board. For example, the number of layers of the circuit board is more and more, the internal circuits are more and more dense, the line width and the line distance are smaller, the requirement on detection precision is high, and the like. Therefore, the detection of the line width and the line distance of the circuit board by the detection device is very important.

Chinese patent with publication number CN209605767U discloses a device for detecting printed circuit board linewidth line distance, relates to circuit board detection area, including the fixing base, be equipped with fixed arm and digging arm on the fixing base, fixed arm and fixing base fixed connection, digging arm and fixing base sliding connection, the one end fixed connection end block of fixing base is kept away from to the fixed arm, and the one end fixed connection electron magnifying glass of fixing base is kept away from to the digging arm, be equipped with the elevating gear who is connected with the digging arm on the fixing base, be equipped with hold-down mechanism on the end block, a plurality of guide posts of top fixed connection of fixed arm, the outside cover of the guide post between fixed arm and the digging arm is equipped with the spring.

In the prior art, when the circuit board is detected, the circuit board needs to be manually placed on the pressing mechanism, only the single side of the circuit board can be detected, and the double-sided circuit board needs to be manually turned over, so that the circuit board is time-consuming and labor-consuming, and the detection efficiency is low. Therefore, a high-precision detection system is required.

Disclosure of Invention

The invention aims to solve the technical problem of how to improve the detection efficiency of a detection device, and provides a high-precision detection system and a control method.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a high-precision detection system comprises two first transmission devices, a detection seat, a data acquisition device, a cloud server and a control system; the two first conveying devices are symmetrically arranged above the detection seat, and each first conveying device comprises a conveying seat and a first conveying belt; the two conveying seats are arranged above the detection seat in parallel; the first conveyor belt is transversely arranged at the inner side of the conveying seat, is arranged along the conveying seat, is connected with the conveying seat and is matched with the circuit board; the data acquisition device comprises at least a first electronic magnifier, a second electronic magnifier, a light source and a photoelectric sensor; the first electronic magnifier is arranged above the circuit board, faces the circuit board and is positioned between the two first conveyor belts; the second electronic magnifier is arranged below the circuit board, faces the circuit board, is positioned between the two first conveyor belts, and corresponds to the first electronic magnifier; the light source is connected to the side of the second electronic magnifier and positioned below the circuit board; the photoelectric sensor is connected to the side of the first electronic magnifier, positioned above the circuit board and corresponding to the light source; the cloud server is connected with the first electronic magnifier and the second electronic magnifier; the control system is connected with the cloud server, the first transmission device and the data acquisition device. The first conveyor belt moves along with the conveyor base. The second electronic magnifier and the first electronic magnifier are fixed on the sliding block through screws. The first conveyor belt is matched with the circuit board to convey the circuit board.

The circuit board is placed on the two first conveyor belts, when the photoelectric sensor senses that the light source is blocked by the circuit board, the first conveyor belts are controlled to stop, then the second electronic magnifier and the first electronic magnifier are controlled to collect data of the upper surface and the lower surface of the circuit board, the collected data are transmitted to the cloud server, the line width and the line distance of the circuit board and whether circuits on the upper surface and the lower surface are aligned or not are analyzed, and the circuit board is judged to be good or defective. For a double-sided circuit board, there is a relationship between circuits on the upper and lower surfaces, and if the circuits are not aligned during printing, the corresponding circuits cannot be connected during punching, so that the circuit board cannot stably operate. The second electronic magnifier is vertically aligned with the first electronic magnifier and used for enabling the position of the collected image data to correspond, the analysis difficulty of the cloud server is reduced, and energy is saved. The light source and the photoelectric sensor are arranged and used for sensing the position of the circuit board and assisting the alignment of the second electronic magnifier and the first electronic magnifier. Because the circuit is small in size, the electronic magnifier is arranged and used for detecting the circuit board with high precision. The light source is arranged below the circuit board and used for illuminating the bottom surface of the circuit board, and the image data acquisition effect is improved. The photoelectric sensor is arranged above the base, so that the interference of lamplight at the top of a workshop on the photoelectric sensor is reduced.

Further, the first conveying device comprises an adjusting cylinder, a plurality of adjusting slide blocks and a plurality of adjusting slide ways; the adjusting cylinder is fixed on the detection seat through a screw and positioned outside the conveying seat, the telescopic end of the adjusting cylinder is connected with the conveying seat, and the axis of the adjusting cylinder is vertical to the conveying direction of the first conveying belt; the adjusting slide ways are T-shaped grooves, are arranged at the upper part of the detection seat and are parallel to the axis of the adjusting cylinder, and one side of each adjusting slide way extends to the side surface of the detection seat; the adjusting slide block is arranged in the adjusting slide way and matched with the adjusting slide way, and the upper part of the adjusting slide block is fixed with the conveying seat.

The detection device needs to adapt to circuit boards of different specifications. The control system controls the adjusting cylinder to stretch out and draw back, so that the two conveying seats are far away from or close to each other under the guidance of the adjusting slide block, and the first conveying belt is driven to move to adapt to circuit boards of different specifications. The inner side surfaces of the two conveying seats have a limiting function.

Further, the data acquisition device comprises two side plates, a first motor, a second motor, a first lead screw, a second lead screw, a first guide rod, a second guide rod, two first cylinders, two second cylinders, two partition plates, a first sliding block, a second sliding block, two first lifting blocks and two second lifting blocks; the two side plates are respectively arranged at the outer sides of the two conveying seats, are fixed with the detection seat through screws and are oppositely arranged; the two partition plates are respectively and transversely fixed on the inner sides of the side plates and are at the same height with the circuit board; the first cylinders are respectively and vertically arranged above the partition plates; the first lifting blocks are respectively fixed at the telescopic ends of the first cylinders; the first lead screw is transversely arranged above the circuit board, and two ends of the first lead screw are respectively connected with the first lifting block; a rotating shaft of the first motor is connected with the first lead screw; the first guide rod is arranged on the side of the first screw rod, and two ends of the first guide rod are respectively connected with the two first lifting blocks; a first screw hole and a first guide hole are formed in the first sliding block, the first screw hole is sleeved on the first lead screw, and the first guide hole is sleeved on the first guide rod; the first electronic magnifier is fixed on the first sliding block; the second cylinders are respectively and vertically arranged below the partition plates; the second lifting blocks are respectively fixed at the telescopic ends of the second cylinders; the second lead screw is transversely arranged below the circuit board, and two ends of the second lead screw are respectively connected with the second lifting block; a rotating shaft of the second motor is connected with the second lead screw; the second guide rod is arranged on the side of the second screw rod, and two ends of the second guide rod are respectively connected with the two second lifting blocks; a second screw hole and a second guide hole are formed in the second sliding block, the second screw hole is sleeved on the second lead screw, and the second guide hole is sleeved on the second guide rod; the second electronic magnifier is fixed on the second sliding block; the upper part of the conveying seat is provided with a first matching port which is a notch and is matched with the moving range of the first electronic magnifier, and the lower part of the conveying seat is provided with a second matching port which is a notch and is matched with the moving range of the second electronic magnifier. The plane of the moving range of the first electronic magnifier and the plane of the moving range of the second electronic magnifier are perpendicular to the conveying direction of the first conveyor belt. The second electronic magnifier and the first electronic magnifier are fixed on the sliding block through screws.

The first electronic magnifier and the second electronic magnifier should have a position adjusting structure for obtaining the best image acquisition effect and aligning the first electronic magnifier with the second electronic magnifier. The first lifting block is controlled to move up and down through the first air cylinder, the first electronic magnifier is made to move up and down, the photoelectric sensor is made to move up and down, the first lead screw is controlled to rotate through the first motor, the first sliding block is made to move transversely under the action of the first guide rod, and the first electronic magnifier is made to move transversely and the photoelectric sensor is made to move transversely. The second electronic magnifier and the light source are moved and aligned as above. Make two curb plates and conveying seat separation setting for reduce the influence of the vibration that produces in the first conveyer belt data send process to first electron magnifying glass and second electron magnifying glass, prevent to cause the damage to first electron magnifying glass and second electron magnifying glass.

Further, the data acquisition device comprises two first sliding ports, two second sliding ports, a plurality of sliding protrusions, a first support plate, a second support plate, two first inner limiting plates, two first outer limiting plates, two second inner limiting plates and two second outer limiting plates; the first lifting block and the second lifting block are square; the sliding protrusions are vertically arranged on two sides of the first lifting block and the second lifting block respectively; the first sliding openings are through openings, are vertically arranged on the side plates respectively, are sleeved on the first lifting block and are tightly connected with the sliding protrusions, and the first sliding openings are matched with the moving path of the first lifting block; the first motor is arranged on the outer side of the first lifting block, and a rotating shaft of the first motor penetrates through the first lifting block and is connected with the first lead screw; the first supporting plate is arranged on one side of the first motor, is fixed with the first motor and is fixed with the first lifting block; the first inner limiting plate is a U-shaped plate, is fixed on the inner side surface of the side plate through screws respectively and is sleeved on the first lifting block, the inner side surface of the first inner limiting plate is connected with the first lifting block, and the side surface of the first inner limiting plate is tightly connected with the sliding protrusion; the first outer limiting plate is a U-shaped plate, is fixed on the outer side of the side plate through screws respectively, is sleeved on the first lifting block, is connected with the first lifting block on the inner side surface, and is closely connected with the sliding protrusion on the side surface; the second sliding openings are through openings, are respectively vertically arranged on the side plates, are sleeved on the second lifting block and are tightly connected with the sliding protrusions, and the second sliding openings are matched with the moving path of the second lifting block; the second motor is arranged on the outer side of the second lifting block, and a rotating shaft of the second motor penetrates through the second lifting block and is connected with the second lead screw; the second supporting plate is arranged on one side of the second motor, is fixed with the second motor and is fixed with the second lifting block; the second inner limiting plate is a U-shaped plate, is fixed on the inner side surface of the side plate through screws respectively and is sleeved on the second lifting block, the inner side surface of the second inner limiting plate is connected with the second lifting block, and the side surface of the second inner limiting plate is tightly connected with the sliding protrusion; the second outer limiting plate is a U-shaped plate, is fixed on the outer side of the side plate through screws respectively, is sleeved on the second lifting block, and is connected with the inner side of the second lifting block and the side of the second lifting block is tightly connected with the sliding protrusion.

The lifting block is not stable enough to move only by using the two cylinders, so that the electronic magnifier is easy to swing. When the height of the first electronic magnifier is adjusted, the first air cylinder is controlled to stretch, so that the first lifting block moves under the guiding action of the sliding protrusion and the sliding way formed by the first inner limiting plate, the first outer limiting plate and the first sliding port. After the first electronic magnifier reaches the detection position, the first lifting block can be fixed by a slide and a sliding protrusion which are formed by a first inner limiting plate, a first outer limiting plate and a first sliding opening. When the first inner limiting plate and the first outer limiting plate are abraded greatly, the first inner limiting plate and the first outer limiting plate can be replaced. The height of the second electronic magnifier is adjusted as above.

Furthermore, the data acquisition device comprises a first anti-rotation cylinder, a second anti-rotation cylinder and a plurality of anti-rotation bulges; the anti-skid bulges are hemispherical bulges and are arranged on the rotating shaft of the first motor or the second motor around the axis of the first motor or the second motor, and the surfaces of the anti-spin bulges are rough surfaces; the first anti-rotation air cylinder is vertically fixed on one side of the first supporting plate, the telescopic end of the first anti-rotation air cylinder penetrates through the first supporting plate, a first anti-rotation opening is formed in the telescopic end of the first anti-rotation air cylinder, the first anti-rotation opening is triangular, is sleeved on a rotating shaft of the first motor and is matched with the rotating shaft of the first motor, and a rubber layer is arranged on the inner side surface of the first anti-rotation opening and is matched with the anti-rotation bulge; the second is prevented revolving cylinder vertical fixation in second backup pad one side, and its flexible end runs through the second backup pad, and the flexible end of second is prevented revolving cylinder is provided with the second and is prevented revolving the mouth, and the second is prevented revolving the mouth and is described for three horn shapes, and the cover is located in the pivot of second motor, cooperatees with the pivot of second motor, and the second is prevented revolving and is provided with the rubber layer on the interior side of mouth, with prevent revolving protruding the cooperation. The first anti-rotation opening is matched with a rotating shaft of the first motor, the rotating shaft can freely rotate in the first anti-rotation opening when the first anti-rotation opening is not locked, and two inner side surfaces of the first anti-rotation opening are connected with the rotating shaft when the first anti-rotation opening is locked.

The lead screw is required to be prevented from rotating, so that the transverse position of the electronic magnifier is deviated, and the worker is required to frequently adjust the electronic magnifier. When first electron magnifying glass removed the assigned position, the cylinder shrink was prevented soon in control, made two medial surfaces of first anti-rotation mouth and the epaxial protruding butt of preventing revolving of first motor rotation, prevented that first motor from rotating. The second anti-rotation cylinder is controlled in the same way as the first anti-rotation cylinder. The anti-rotation bulge and the rubber layer are arranged and used for increasing friction force and increasing obstruction to the rotating shaft.

Further, the first conveying device comprises a pressing device and a transition conveying device; the pressing device is arranged on the inner side of the conveying seat, is positioned above the circuit board, is positioned on one side of the first conveying belt and is matched with the first conveying belt; the transition conveying device is arranged below the lower pressing device and matched with the two first conveying belts, an output conveying belt is arranged on the side of the transition conveying device and matched with the transition conveying device. The transition conveying device is matched with the two first conveying belts to convey the circuit board to the output conveying belt.

And the defective circuit board needs to be separated. When the circuit board is judged to be good, the circuit board passes through the first conveyor belt and the transition conveyor in sequence and is conveyed to the output conveyor belt. When the circuit board is judged to be defective, the circuit board passes through the first conveyor belt and then is separated from the conveying route through the pressing device.

Furthermore, the transition conveying device comprises a lifting platform, a driving gear, a lifting cylinder, a rotating motor and a transition wheel; a lifting slideway is vertically arranged on the inner side surface of the conveying seat, and the lifting slideway is a T-shaped groove; the lifting platform is arranged in the lifting slide way and is tightly matched with the lifting slide way, the inner side surface of the lifting platform and the inner side surface of the conveying seat are positioned in the same plane, and a driving cavity is arranged in the lifting platform; the transition wheel is arranged on the inner side of the lifting platform, and the conveying direction of the transition wheel is parallel to the conveying direction of the first conveying belt; the driving gear is arranged in the driving cavity, and a rotating shaft of the driving gear penetrates through the lifting platform and is connected with the rotating shaft of the driving gear; a rotating shaft of the rotating motor is connected with a rotating shaft of the driving gear, and the rotating speed of the rotating motor is matched with the transmission of the first conveyor belt; the lifting cylinder is vertically arranged below the lifting platform, and the telescopic end of the lifting cylinder is fixed with the lifting platform; the pressing device comprises a driven gear and a pressing wheel; the lower pressing wheel is arranged on the inner side of the lifting platform and is positioned above the transition wheel, the conveying direction of the lower pressing wheel is parallel to the transition wheel, the central axis of the lower pressing wheel is higher than the circuit board, the lowest point of the lower pressing wheel is lower than the upper surface of the first conveying belt, and a rubber layer is arranged on the surface of the lower pressing wheel; the driven gear is arranged in the driving cavity, a rotating shaft of the driven gear penetrates through the lifting platform and is connected with a rotating shaft of the lower pressing wheel, and the driven gear is meshed with the driving wheel. The transition wheel, the lower pressing wheel and the first conveyor belt are enabled to have the same conveying speed, so that the circuit board can be prevented from being damaged due to sliding friction with the circuit board.

When the circuit board is judged to be good, the circuit board passes through the first conveyor belt, the transition wheel and the output conveyor belt in sequence. When the circuit board is judged to be defective, the lifting table is controlled to descend through the lifting cylinder, and the circuit board conveyed out of the first conveying belt is driven obliquely downwards by the lower pressing wheel. The driving gear and the driven gear are arranged and used for enabling the pressing wheel to transmit the circuit board, and the separation effect is improved.

Further, the transition conveying device comprises a defective product conveying belt, an auxiliary wheel, a spring and a defective product box; the auxiliary wheel is arranged below the transition wheel and is positioned on one side of the transition wheel close to the output conveyor belt; an auxiliary sliding groove is formed in the inner side face of the conveying seat, an auxiliary sliding block is arranged in the auxiliary sliding groove, and the auxiliary sliding block is connected with a rotating shaft bearing of the auxiliary wheel; the spring is arranged in the auxiliary sliding groove and positioned at the inner side of the auxiliary sliding block, one end of the spring is fixed with the inner side surface of the auxiliary sliding groove, the other end of the spring is fixed with the auxiliary sliding block, and the spring is in a compressed state; the defective product box is arranged on the side of the transition conveying device and matched with the defective product conveying belt.

The fallen defective circuit board falls onto the defective conveyor belt and is conveyed into the defective box. The movement of the lifting platform can drive the auxiliary wheel to slide. And a spring is arranged for keeping the defective conveyor belt in a tight state.

A control method of a high-precision detection system comprises the following steps: when the detection device finishes working, the following steps are carried out: a1: the control system controls the first motor to rotate, so that the first sliding block moves to drive the first electronic magnifier to move, and the first electronic magnifier moves into the first matching port; a2: the control system controls the second motor to rotate, so that the second sliding block moves to drive the second electronic magnifier to move, and the second electronic magnifier moves into the second matching port until the detection device starts to work.

The mirror mouth of first electron magnifying glass and second electron magnifying glass is destroyed easily, moves it in the cooperation mouth, can protect it.

Further, the method comprises the following steps: when the detection device is transported, the following steps are carried out: b1: the first electronic magnifier and the second electronic magnifier are taken down and stored independently by screwing out the screws; b2: the first inner limiting plate, the first outer limiting plate, the second inner limiting plate and the second outer limiting plate are taken down from the side plate through screwing out screws, then the first lead screw and the second lead screw are taken down, and then the side plate is taken down from the detection seat through screwing out screws; b3: make adjust cylinder and detection seat separation through unscrewing the screw, then outside promotion conveying seat makes the adjusting sliding block break away from adjusting the slide, later transports after packing the structure after will disassembling.

The transportation of holistic detection device is very inconvenient, transports detection device split into little part easily. After the limiting plate is taken down, the lifting block can automatically move in the sliding port, and the wire cylinder can be taken down.

The invention has the beneficial effects that:

1. set up first conveyer and two electron magnifying glasses, can improve detection efficiency.

2. Set up transition conveyer and push down the device, can separate the substandard product circuit board.

3. The screw rod can be fixed by arranging the anti-rotation opening.

Drawings

FIG. 1 is a schematic cross-sectional view of a front view of the present high precision detection system;

FIG. 2 is a side view of the present high precision detection system;

FIG. 3 is a schematic view of a second anti-rotation aperture of the present high precision detection system;

FIG. 4 is a schematic cross-sectional side view of the elevator table of the present high precision detection system;

description of reference numerals:

1. a detection seat;

2. a transfer base; 21. adjusting the sliding block; 22. an adjusting cylinder;

3. a first conveyor belt;

4. a second slider; 41. a second lead screw; 42. a second guide bar; 43. a light source; 44. a second electronic magnifier; 45. a second inner limiting plate; 46. a second outer limiting plate; 47. a second lifting block; 471. a second cylinder; 48. a second anti-rotation cylinder; 481. a second anti-rotation opening; 49. a second support plate; 410. a second motor;

5. a first slider; 51. a first lead screw; 52. a first guide bar; 53. a photosensor; 54. a first electronic magnifier; 55. a first inner limiting plate; 56. a first outer limiting plate; 57. a first lifting block; 571. a first cylinder; 58. a first anti-rotation cylinder; 59. a first support plate; 510. a first motor;

6. a lifting platform; 61. a lower pinch roller; 62. a transition wheel; 63. a lifting cylinder; 64. a defective product conveyor belt; 65. a spring; 66. an auxiliary wheel; 67. rotating the motor; 68. a driving gear; 69. a driven gear;

7. an output conveyor belt;

8. a defective product box;

9. a side plate; 91. a partition plate.

Detailed Description

The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention.

Example 1:

as shown in fig. 1, a high-precision detection system comprises two first transmission devices, a detection seat (1), a data acquisition device, a cloud server and a control system; the two first conveying devices are symmetrically arranged above the detection seat (1), and each first conveying device comprises a conveying seat (2) and a first conveying belt (3); the two conveying seats (2) are arranged above the detection seat (1) in parallel; the first conveyor belt (3) is transversely arranged at the inner side of the conveying seat (2), is arranged along the conveying seat (2), is connected with the conveying seat (2) and is matched with the circuit board; the data acquisition device comprises at least a first electronic magnifier (54), a second electronic magnifier (44), a light source (43) and a photoelectric sensor (53); the first electronic magnifier (54) is arranged above the circuit board, faces the circuit board and is positioned between the two first conveyor belts (3); the second electronic magnifier (44) is arranged below the circuit board, faces the circuit board, is positioned between the two first conveyor belts (3), and corresponds to the first electronic magnifier (54); the light source (43) is connected to the side of the second electronic magnifier (44) and is positioned below the circuit board; the photoelectric sensor (53) is connected to the side of the first electronic magnifier (54), is positioned above the circuit board and corresponds to the light source (43); the cloud server is connected with the first electronic magnifier (54) and the second electronic magnifier (44); the control system is connected with the cloud server, the first transmission device and the data acquisition device. The first conveyor belt (3) moves along with the conveyor base (2). The second electronic magnifier (44) and the first electronic magnifier (54) are fixed on the sliding block through screws.

The circuit board is placed on the two first conveyor belts (3), when the photoelectric sensor (53) senses that the light source (43) is blocked by the circuit board, the first conveyor belts (3) are controlled to stop, then the second electronic magnifier (44) and the first electronic magnifier (54) are controlled to acquire data of the upper surface and the lower surface of the circuit board, the acquired data are transmitted to the cloud server, the line width and line distance of the circuit board and whether circuits on the upper surface and the lower surface are aligned or not are analyzed, and the circuit board is judged to be a good product or a defective product. For a double-sided circuit board, there is a relationship between circuits on the upper and lower surfaces, and if the circuits are not aligned during printing, the corresponding circuits cannot be connected during punching, so that the circuit board cannot stably operate. The second electronic magnifier (44) is vertically aligned with the first electronic magnifier (54) and used for enabling the position of the acquired image data to correspond, so that the analysis difficulty of the cloud server is reduced, and energy is saved. A light source (43) and a photosensor (53) are provided for sensing the position of the circuit board and assisting in the alignment of the second electronic magnifier (44) with the first electronic magnifier (54). Because the circuit is small in size, the electronic magnifier is arranged and used for detecting the circuit board with high precision. The light source (43) is arranged below and used for illuminating the bottom surface of the circuit board, and the image data acquisition effect is improved. The photoelectric sensor (53) is arranged above, so that the interference of lamplight on the top of the factory building on the photoelectric sensor (53) is reduced.

As shown in fig. 2, the first conveying device comprises an adjusting cylinder (22), a plurality of adjusting sliders (21) and a plurality of adjusting slideways; the adjusting cylinder (22) is fixed on the detection seat (1) through a screw and positioned outside the conveying seat (2), the telescopic end of the adjusting cylinder is connected with the conveying seat (2), and the axis of the adjusting cylinder (22) is vertical to the conveying direction of the first conveying belt (3); the adjusting slideways are T-shaped grooves, are arranged at the upper part of the detection seat (1) and are parallel to the axis of the adjusting cylinder (22), and one side of each adjusting slideway extends to the side surface of the detection seat (1); the adjusting slide block (21) is arranged in the adjusting slide way and matched with the adjusting slide way, and the upper part of the adjusting slide block is fixed with the conveying seat (2).

The detection device needs to adapt to circuit boards of different specifications. The control system controls the adjusting cylinder (22) to stretch and retract, so that the two conveying seats (2) are far away from or close to each other under the guidance of the adjusting slide block (21), and the first conveying belt (3) is driven to move to adapt to circuit boards of different specifications. The inner side surfaces of the two conveying seats (2) have a limiting function.

The data acquisition device comprises two side plates (9), a first motor (510), a second motor (410), a first lead screw (51), a second lead screw (41), a first guide rod (52), a second guide rod (42), two first air cylinders (571), two second air cylinders (471), two partition plates (91), a first sliding block (5), a second sliding block (4), two first lifting blocks (57) and two second lifting blocks (47); the two side plates (9) are respectively arranged at the outer sides of the two conveying seats (2), are fixed with the detection seat (1) through screws and are oppositely arranged; the two partition plates (91) are respectively and transversely fixed on the inner sides of the side plates (9) and are at the same height with the circuit board; the first cylinders (571) are respectively and vertically arranged above the partition plate (91); the first lifting blocks (57) are respectively fixed at the telescopic ends of the first cylinders (571); the first lead screw (51) is transversely arranged above the circuit board, and two ends of the first lead screw are respectively connected with the first lifting block (57); a rotating shaft of the first motor (510) is connected with the first lead screw (51); the first guide rod (52) is arranged on the side of the first screw rod (51), and two ends of the first guide rod are respectively connected with the two first lifting blocks (57); a first screw hole and a first guide hole are arranged in the first sliding block (5), the first screw hole is sleeved on the first lead screw (51), and the first guide hole is sleeved on the first guide rod (52); the first electronic magnifier (54) is fixed on the first sliding block (5); the second cylinders (471) are vertically arranged below the partition plates (91) respectively; the second lifting blocks (47) are respectively fixed at the telescopic ends of the second air cylinders (471); the second lead screw (41) is transversely arranged below the circuit board, and two ends of the second lead screw are respectively connected with the second lifting block (47); the rotating shaft of the second motor (410) is connected with a second lead screw (41); the second guide rod (42) is arranged on the side of the second screw rod (41), and two ends of the second guide rod are respectively connected with the two second lifting blocks (47); a second screw hole and a second guide hole are formed in the second sliding block (4), the second screw hole is sleeved on the second lead screw (41), and the second guide hole is sleeved on the second guide rod (42); the second electronic magnifier (44) is fixed on the second sliding block (4); the upper part of the conveying seat (2) is provided with a first matching port which is a notch and is matched with the moving range of the first electronic magnifier (54), the lower part of the conveying seat (2) is provided with a second matching port which is a notch and is matched with the moving range of the second electronic magnifier (44). The plane of the moving range of the first electronic magnifier (54) and the second electronic magnifier (44) is perpendicular to the conveying direction of the first conveyor belt (3). The second electronic magnifier (44) and the first electronic magnifier (54) are fixed on the sliding block through screws.

The first electronic magnifier (54) and the second electronic magnifier (44) should have a position adjusting structure for obtaining the best image acquisition effect and aligning the first electronic magnifier (54) and the second electronic magnifier (44). The first lifting block (57) is controlled to move up and down through the first air cylinder (571), the first electronic magnifier (54) is made to move up and down, the photoelectric sensor (53) is made to move up and down, the first lead screw (51) is controlled to rotate through the first motor (510), the first sliding block (5) is made to move transversely under the action of the first guide rod (52), the first electronic magnifier (54) is made to move transversely, and the photoelectric sensor (53) is made to move transversely. The second electronic magnifier (44) and the light source (43) are moved and aligned as above. The two side plates (9) and the conveying seat (2) are arranged in a separated mode, the influence of vibration generated in the conveying process of the first conveying belt (3) on the first electronic magnifier (54) and the second electronic magnifier (44) is reduced, and the first electronic magnifier (54) and the second electronic magnifier (44) are prevented from being damaged.

The data acquisition device comprises two first sliding ports, two second sliding ports, a plurality of sliding protrusions, a first supporting plate (59), a second supporting plate (49), two first inner limiting plates (55), two first outer limiting plates (56), two second inner limiting plates (45) and two second outer limiting plates (46); the first lifting block (57) and the second lifting block (47) are square; the sliding protrusions are vertically arranged on two sides of the first lifting block (57) and the second lifting block (47) respectively; the first sliding openings are through openings, are vertically arranged on the side plates (9) respectively, are sleeved on the first lifting block (57) and are tightly connected with the sliding protrusions, and the first sliding openings are matched with the moving path of the first lifting block (57); the first motor (510) is arranged outside the first lifting block (57), and a rotating shaft of the first motor penetrates through the first lifting block (57) and is connected with the first lead screw (51); the first supporting plate (59) is arranged on one side of the first motor (510), is fixed with the first motor (510), and is fixed with the first lifting block (57); the first inner limiting plate (55) is a U-shaped plate, is fixed on the inner side surface of the side plate (9) through screws respectively, is sleeved on the first lifting block (57), and is connected with the first lifting block (57) on the inner side surface and closely connected with the sliding protrusion on the side surface; the first outer limiting plate (56) is a U-shaped plate, is fixed on the outer side of the side plate (9) through screws respectively, is sleeved on the first lifting block (57), and is connected with the first lifting block (57) on the inner side surface and closely connected with the sliding protrusion on the side surface; the second sliding openings are through openings, are respectively vertically arranged on the side plates (9), are sleeved on the second lifting block (47) and are tightly connected with the sliding bulges, and are adapted to the moving path of the second lifting block (47); the second motor (410) is arranged on the outer side of the second lifting block (47), and a rotating shaft of the second motor penetrates through the second lifting block (47) and is connected with the second lead screw (41); the second supporting plate (49) is arranged on one side of the second motor (410), is fixed with the second motor (410) and is fixed with the second lifting block (47); the second inner limiting plate (45) is a U-shaped plate, is fixed on the inner side surface of the side plate (9) through screws respectively, is sleeved on the second lifting block (47), and is connected with the second lifting block (47) on the inner side surface and closely connected with the sliding bulge on the side surface; the second outer limiting plate (46) is a U-shaped plate, is fixed on the outer side of the side plate (9) through screws respectively, is sleeved on the second lifting block (47), and is connected with the second lifting block (47) at the inner side surface and closely connected with the sliding bulge at the side surface.

The lifting block is not stable enough to move only by using the two cylinders, so that the electronic magnifier is easy to swing. When the height of the first electronic magnifier (54) is adjusted, the first air cylinder (571) is controlled to stretch, so that the first lifting block (57) moves under the guiding action of the sliding protrusion and a slide way consisting of the first inner limiting plate (55), the first outer limiting plate (56) and the first sliding opening. After the first electronic magnifier (54) arrives at the detection position, the first lifting block (57) can be fixed by a slide way and a sliding protrusion which are formed by a first inner limiting plate (55), a first outer limiting plate (56) and a first sliding opening. When the first inner limiting plate (55) and the first outer limiting plate (56) are worn greatly, the first inner limiting plate and the first outer limiting plate can be replaced. The same applies to the height adjustment of the second electronic magnifier (44).

As shown in fig. 3, the data acquisition device comprises a first anti-rotation cylinder (58), a second anti-rotation cylinder (48) and a plurality of anti-rotation bulges; the anti-skid protrusions are hemispherical protrusions and are arranged on the rotating shaft of the first motor (510) or the second motor (410) around the axis of the first motor, and the surfaces of the anti-spin protrusions are rough surfaces; the first anti-rotation air cylinder (58) is vertically fixed on one side of the first supporting plate (59), the telescopic end of the first anti-rotation air cylinder penetrates through the first supporting plate (59), a first anti-rotation opening is formed in the telescopic end of the first anti-rotation air cylinder (58), the first anti-rotation opening is triangular, is sleeved on a rotating shaft of the first motor (510) and is matched with the rotating shaft of the first motor (510), and a rubber layer is arranged on the inner side surface of the first anti-rotation opening and is matched with the anti-rotation bulge; the second is prevented revolving cylinder (48) and is vertically fixed in second backup pad (49) one side, and its flexible end runs through second backup pad (49), and the flexible end of second is prevented revolving cylinder (48) is provided with second and is prevented revolving mouth (481), and second is prevented revolving mouth (481) and is described for the triangle, and the cover is located in the pivot of second motor (410), cooperatees with the pivot of second motor (410), is provided with the rubber layer on second is prevented revolving mouth (481) the medial surface, and is cooperateed with the protrusion of preventing revolving.

The lead screw is required to be prevented from rotating, so that the transverse position of the electronic magnifier is deviated, and the worker is required to frequently adjust the electronic magnifier. When the first electronic magnifier (54) moves to a designated position, the first anti-rotation air cylinder (58) is controlled to contract, so that two inner side surfaces of the first anti-rotation opening are abutted to the anti-rotation protrusions on the rotating shaft of the first motor (510), and the first motor (510) is prevented from rotating. The second anti-rotation cylinder (48) is controlled in the same manner as the first anti-rotation cylinder (58). The anti-rotation bulge and the rubber layer are arranged and used for increasing friction force and increasing obstruction to the rotating shaft.

The first conveying device comprises a pressing device and a transition conveying device; the pressing device is arranged on the inner side of the conveying seat (2), is positioned above the circuit board, is positioned on one side of the first conveying belt (3), and is matched with the first conveying belt (3); the transition conveying device is arranged below the lower pressing device and matched with the two first conveying belts (3), an output conveying belt (7) is arranged on the side of the transition conveying device, and the output conveying belt (7) is matched with the transition conveying device.

And the defective circuit board needs to be separated. When the circuit board is judged to be good, the circuit board passes through the first conveyor belt (3) and the transition conveyor in sequence and is conveyed onto the output conveyor belt (7). When the circuit board is judged to be defective, the circuit board is separated from the conveying route by the pressing device after passing through the first conveying belt (3).

As shown in fig. 4, the transition transmission device comprises a lifting table (6), a driving gear (68), a lifting cylinder (63), a rotating motor (67) and a transition wheel (62); a lifting slideway is vertically arranged on the inner side surface of the conveying seat (2), and the lifting slideway is a T-shaped groove; the lifting platform (6) is arranged in the lifting slide way and is tightly matched with the lifting slide way, the inner side surface of the lifting platform (6) and the inner side surface of the conveying seat (2) are positioned in the same plane, and a driving cavity is arranged in the lifting platform (6); the transition wheel (62) is arranged on the inner side of the lifting platform (6), and the conveying direction of the transition wheel (62) is parallel to the conveying direction of the first conveying belt (3); the driving gear (68) is arranged in the driving cavity, and a rotating shaft of the driving gear (68) penetrates through the lifting platform (6) and is connected with the rotating shaft of the driving gear (68); a rotating shaft of the rotating motor (67) is connected with a rotating shaft of the driving gear (68), and the rotating speed of the rotating motor (67) is matched with the transmission of the first transmission belt (3); the lifting cylinder (63) is vertically arranged below the lifting platform (6), and the telescopic end of the lifting cylinder is fixed with the lifting platform (6); the pressing device comprises a driven gear (69) and a pressing wheel (61); the lower pressing wheel (61) is arranged on the inner side of the lifting platform (6) and is positioned above the transition wheel (62), the conveying direction of the lower pressing wheel (61) is parallel to the transition wheel (62), the central axis of the lower pressing wheel is higher than the circuit board, the lowest point of the lower pressing wheel (61) is lower than the upper surface of the first conveying belt (3), and a rubber layer is arranged on the surface of the lower pressing wheel (61); the driven gear (69) is arranged in the driving cavity, a rotating shaft of the driven gear penetrates through the lifting platform (6) to be connected with a rotating shaft of the lower pressing wheel (61), and the driven gear (69) is meshed with the driving wheel. The transition wheel (62), the lower pressing wheel (61) and the first conveyor belt (3) have the same conveying speed, so that the circuit board can be prevented from being damaged due to sliding friction with the circuit board.

When the circuit board is judged to be good, the circuit board sequentially passes through the first conveyor belt (3), the transition wheel (62) and the output conveyor belt (7). When the circuit board is judged to be defective, the lifting air cylinder (63) controls the lifting platform (6) to descend, so that the lower pressing wheel (61) drives the circuit board conveyed out by the first conveying belt (3) to be obliquely downward. A driving gear (68) and a driven gear (69) are arranged for driving the circuit board by the lower pressing wheel (61), and the separation effect is improved.

The transition conveying device comprises a defective product conveying belt (64), an auxiliary wheel (66), a spring (65) and a defective product box (8); the auxiliary wheel (66) is arranged below the transition wheel (62) and is positioned on one side of the transition wheel (62) close to the output conveyor belt (7); an auxiliary sliding groove is formed in the inner side face of the conveying seat (2), an auxiliary sliding block is arranged in the auxiliary sliding groove, and the auxiliary sliding block is connected with a rotating shaft bearing of an auxiliary wheel (66); the spring (65) is arranged in the auxiliary sliding groove and positioned on the inner side of the auxiliary sliding block, one end of the spring is fixed with the inner side surface of the auxiliary sliding groove, the other end of the spring is fixed with the auxiliary sliding block, and the spring (65) is in a compressed state; and the defective product box (8) is arranged on the side of the transition conveying device and matched with the defective product conveying belt (64).

The fallen defective circuit board falls onto a defective conveyor (64) and is conveyed to a defective box (8). The movement of the lifting platform (6) can drive the auxiliary wheel (66) to slide. A spring (65) is provided for maintaining the defective product conveyor (64) in a taut state.

The working process of the embodiment is as follows: before the detection starts, the position of the electronic magnifier is adjusted to adapt to the circuit board to be detected. The control system controls the adjusting cylinder (22) to stretch and retract, so that the two conveying seats (2) are far away from or close to each other under the guidance of the adjusting slide block (21), and the first conveying belt (3) is driven to move to adapt to circuit boards of different specifications. The first cylinder (571) is controlled to stretch and retract, so that the first lifting block (57) moves under the guiding action of the sliding protrusion and a slide way consisting of the first inner limiting plate (55), the first outer limiting plate (56) and the first sliding opening. The first electronic magnifier (54) is moved up and down, and the photoelectric sensor (53) is moved up and down. The first lead screw (51) is controlled to rotate by the first motor (510), so that the first sliding block (5) moves transversely under the action of the first guide rod (52), the first electronic magnifier (54) moves transversely, and the photoelectric sensor (53) moves transversely. After the first electronic magnifier (54) arrives at the detection position, the first lifting block (57) can be fixed by a slide way and a sliding protrusion which are formed by a first inner limiting plate (55), a first outer limiting plate (56) and a first sliding opening. When the first electronic magnifier (54) moves to a designated position, the first anti-rotation air cylinder (58) is controlled to contract, so that two inner side surfaces of the first anti-rotation opening are abutted to the anti-rotation protrusions on the rotating shaft of the first motor (510), and the first motor (510) is prevented from rotating. When the first inner limiting plate (55) and the first outer limiting plate (56) are worn greatly, the first inner limiting plate and the first outer limiting plate can be replaced. The steps of controlling the movement and alignment of the second electronic magnifier (44) and the light source (43) are the same as above.

After the adjustment is completed, the circuit board is placed on the two first conveyor belts (3), when the photoelectric sensor (53) senses that the light source (43) is blocked by the circuit board, the first conveyor belts (3) are controlled to stop, then the second electronic magnifier (44) and the first electronic magnifier (54) are controlled to acquire data of the upper surface and the lower surface of the circuit board, the acquired data are transmitted to the cloud server, the line width and line distance of the circuit board and whether circuits on the upper surface and the lower surface are aligned or not are analyzed, and the circuit board is judged to be good or defective. When the circuit board is judged to be good, the circuit board sequentially passes through the first conveyor belt (3), the transition wheel (62) and the output conveyor belt (7). When the circuit board is judged to be defective, the lifting table (6) is controlled to descend by the lifting air cylinder (63), the circuit board conveyed out by the first conveyor belt (3) is driven downwards in an inclined mode by the lower pressing wheel (61), and the falling defective circuit board falls onto the defective conveyor belt (64) and is conveyed into the defective box (8). The movement of the lifting platform (6) can drive the auxiliary wheel (66) to slide.

A control method of a high-precision detection system comprises the following steps: when the detection device finishes working, the following steps are carried out: a1: the control system controls the first motor (510) to rotate, so that the first sliding block (5) moves to drive the first electronic magnifier (54) to move, and the first electronic magnifier (54) moves into the first matching port; a2: the control system controls the second motor (410) to rotate, so that the second sliding block (4) moves to drive the second electronic magnifier (44) to move, and the second electronic magnifier (44) moves into the second matching port until the detection device starts to work.

The lens openings of the first electronic magnifier (54) and the second electronic magnifier (44) are easily damaged, and the first electronic magnifier can be moved into the matching opening to be protected.

When the detection device is transported, the following steps are carried out: b1: the first electronic magnifier (54) and the second electronic magnifier (44) are taken down and stored separately by screwing out screws; b2: the first inner limiting plate (55), the first outer limiting plate (56), the second inner limiting plate (45) and the second outer limiting plate (46) are taken down from the side plate (9) by screwing out screws, then the first lead screw (51) and the second lead screw (41) are taken down, and then the side plate (9) is taken down from the detection seat (1) by screwing out screws; b3: the adjusting cylinder (22) is separated from the detecting seat (1) by screwing out a screw, then the conveying seat (2) is pushed outwards, the adjusting slide block (21) is separated from the adjusting slide way, and then the disassembled structure is packaged and transported.

The above-mentioned embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Claims

1. A high-precision detection system, comprising: the device comprises two first transmission devices, a detection seat (1), a data acquisition device, a cloud server and a control system; the two first conveying devices are symmetrically arranged above the detection seat (1), and each first conveying device comprises a conveying seat (2) and a first conveying belt (3); the two conveying seats (2) are arranged above the detection seat (1) in parallel; the first conveyor belt (3) is transversely arranged on the inner side of the conveying seat (2), is arranged along the conveying seat (2), is connected with the conveying seat (2) and is matched with the circuit board; the data acquisition device comprises at least a first electronic magnifier (54), a second electronic magnifier (44), a light source (43) and a photoelectric sensor (53); the first electronic magnifier (54) is arranged above the circuit board, faces the circuit board and is positioned between the two first conveyor belts (3); the second electronic magnifier (44) is arranged below the circuit board, faces the circuit board, is positioned between the two first conveyor belts (3), and corresponds to the first electronic magnifier (54); the light source (43) is connected to the side of the second electronic magnifier (44) and is positioned below the circuit board; the photoelectric sensor (53) is connected to the side of the first electronic magnifier (54), is positioned above the circuit board and corresponds to the light source (43); the cloud server is connected with the first electronic magnifier (54) and the second electronic magnifier (44); the control system is connected with the cloud server, the first transmission device and the data acquisition device.

2. A high precision detection system according to claim 1, wherein: the first conveying device comprises an adjusting cylinder (22), a plurality of adjusting slide blocks (21) and a plurality of adjusting slide ways; the adjusting cylinder (22) is fixed on the detection seat (1) through a screw and located on the outer side of the conveying seat (2), the telescopic end of the adjusting cylinder is connected with the conveying seat (2), and the axis of the adjusting cylinder (22) is perpendicular to the conveying direction of the first conveying belt (3); the adjusting slide ways are T-shaped grooves, are arranged at the upper part of the detection seat (1) and are parallel to the axis of the adjusting cylinder (22), and one side of each adjusting slide way extends to the side surface of the detection seat (1); the adjusting slide block (21) is arranged in the adjusting slide way and matched with the adjusting slide way, and the upper part of the adjusting slide block is fixed with the conveying seat (2).

3. A high accuracy inspection system as in claim 2, wherein: the data acquisition device comprises two side plates (9), a first motor (510), a second motor (410), a first lead screw (51), a second lead screw (41), a first guide rod (52), a second guide rod (42), two first air cylinders (571), two second air cylinders (471), two partition plates (91), a first sliding block (5), a second sliding block (4), two first lifting blocks (57) and two second lifting blocks (47); the two side plates (9) are respectively arranged at the outer sides of the two conveying seats (2), are fixed with the detection seat (1) through screws and are oppositely arranged; the two partition plates (91) are respectively and transversely fixed on the inner sides of the side plates (9) and are at the same height with the circuit board;

the first air cylinders (571) are respectively vertically arranged above the partition plates (91); the first lifting blocks (57) are respectively fixed at the telescopic ends of the first cylinders (571); the first lead screw (51) is transversely arranged above the circuit board, and two ends of the first lead screw are respectively connected with the first lifting block (57); the rotating shaft of the first motor (510) is connected with the first lead screw (51); the first guide rod (52) is arranged on the side of the first lead screw (51), and two ends of the first guide rod are respectively connected with the two first lifting blocks (57); a first screw hole and a first guide hole are formed in the first sliding block (5), the first screw hole is sleeved on the first lead screw (51), and the first guide hole is sleeved on the first guide rod (52); the first electronic magnifier (54) is fixed on the first sliding block (5);

the second cylinders (471) are vertically arranged below the partition plates (91) respectively; the second lifting blocks (47) are respectively fixed at the telescopic ends of the second air cylinders (471); the second lead screw (41) is transversely arranged below the circuit board, and two ends of the second lead screw are respectively connected with the second lifting block (47); the rotating shaft of the second motor (410) is connected with the second lead screw (41); the second guide rod (42) is arranged on the side of the second lead screw (41), and two ends of the second guide rod are respectively connected with the two second lifting blocks (47); a second screw hole and a second guide hole are formed in the second sliding block (4), the second screw hole is sleeved on the second lead screw (41), and the second guide hole is sleeved on the second guide rod (42); the second electronic magnifier (44) is fixed on the second sliding block (4);

the upper portion of the conveying seat (2) is provided with a first matching opening which is a notch and is matched with the moving range of the first electronic magnifier (54), the lower portion of the conveying seat (2) is provided with a second matching opening which is a notch and is matched with the moving range of the second electronic magnifier (44).

4. A high accuracy inspection system according to claim 3, wherein: the data acquisition device comprises two first sliding ports, two second sliding ports, a plurality of sliding protrusions, a first supporting plate (59), a second supporting plate (49), two first inner limiting plates (55), two first outer limiting plates (56), two second inner limiting plates (45) and two second outer limiting plates (46); the first lifting block (57) and the second lifting block (47) are square; the sliding protrusions are vertically arranged on two sides of the first lifting block (57) and the second lifting block (47) respectively;

the first sliding openings are through openings, are vertically arranged on the side plates (9) respectively, are sleeved on the first lifting block (57) and are tightly connected with the sliding protrusions, and the first sliding openings are matched with the moving path of the first lifting block (57); the first motor (510) is arranged outside the first lifting block (57), and a rotating shaft of the first motor penetrates through the first lifting block (57) and is connected with the first lead screw (51); the first supporting plate (59) is arranged on one side of the first motor (510), is fixed with the first motor (510), and is fixed with the first lifting block (57); the first inner limiting plate (55) is a U-shaped plate, is fixed on the inner side surface of the side plate (9) through screws respectively, is sleeved on the first lifting block (57), and is connected with the inner side surface of the first lifting block (57) and the side surface of the first inner limiting plate is tightly connected with the sliding protrusion; the first outer limiting plate (56) is a U-shaped plate, is fixed on the outer side of the side plate (9) through screws respectively, is sleeved on the first lifting block (57), and is connected with the first lifting block (57) at the inner side surface and closely connected with the sliding protrusion at the side surface;

the second sliding openings are through openings, are respectively vertically arranged on the side plates (9), are sleeved on the second lifting block (47) and are tightly connected with the sliding protrusions, and are adapted to the moving path of the second lifting block (47); the second motor (410) is arranged on the outer side of the second lifting block (47), and a rotating shaft of the second motor penetrates through the second lifting block (47) and is connected with the second lead screw (41); the second supporting plate (49) is arranged on one side of the second motor (410), is fixed with the second motor (410), and is fixed with the second lifting block (47); the second inner limiting plate (45) is a U-shaped plate, is fixed on the inner side surface of the side plate (9) through screws respectively, is sleeved on the second lifting block (47), is connected with the second lifting block (47) on the inner side surface, and is tightly connected with the sliding protrusion on the side surface; the second external limiting plate (46) is a U-shaped plate, is fixed to the outer side of the side plate (9) through screws and is sleeved on the second lifting block (47), the inner side face of the second external limiting plate is connected with the second lifting block (47), and the side face of the second external limiting plate is tightly connected with the sliding protrusion.

5. A high accuracy inspection system according to claim 4, wherein: the data acquisition device comprises a first anti-rotation air cylinder (58), a second anti-rotation air cylinder (48) and a plurality of anti-rotation bulges; the anti-skid protrusions are hemispherical protrusions and are arranged on the rotating shaft of the first motor (510) or the second motor (410) around the axis of the first motor, and the surfaces of the anti-spin protrusions are rough surfaces; the first anti-rotation air cylinder (58) is vertically fixed on one side of the first supporting plate (59), the telescopic end of the first anti-rotation air cylinder (58) penetrates through the first supporting plate (59), a first anti-rotation opening is formed in the telescopic end of the first anti-rotation air cylinder (58), the first anti-rotation opening is triangular, is sleeved on a rotating shaft of the first motor (510) and is matched with the rotating shaft of the first motor (510), and a rubber layer is arranged on the inner side surface of the first anti-rotation opening and is matched with the anti-rotation protrusion; the second anti-rotation air cylinder (48) is vertically fixed on one side of the second supporting plate (49), the telescopic end of the second anti-rotation air cylinder penetrates through the second supporting plate (49), the telescopic end of the second anti-rotation air cylinder (48) is provided with a second anti-rotation opening (481), the second anti-rotation opening (481) is triangular and is sleeved on a rotating shaft of the second motor (410) and matched with the rotating shaft of the second motor (410), and a rubber layer is arranged on the inner side face of the second anti-rotation opening (481) and matched with the anti-rotation protrusion.

6. A high precision detection system according to claim 1, wherein: the first conveying device comprises a pressing device and a transition conveying device; the pressing device is arranged on the inner side of the conveying seat (2), is positioned above the circuit board, is positioned on one side of the first conveying belt (3), and is matched with the first conveying belt (3); the transition conveying device is arranged below the lower pressing device and matched with the two first conveying belts (3), an output conveying belt (7) is arranged on the side of the transition conveying device, and the output conveying belt (7) is matched with the transition conveying device.

7. A high accuracy inspection system according to claim 6, wherein:

the transition conveying device comprises a lifting platform (6), a driving gear (68), a lifting cylinder (63), a rotating motor (67) and a transition wheel (62); a lifting slideway is vertically arranged on the inner side surface of the conveying seat (2), and the lifting slideway is a T-shaped groove; the lifting platform (6) is arranged in the lifting slide way and is tightly matched with the lifting slide way, the inner side surface of the lifting platform (6) and the inner side surface of the conveying seat (2) are positioned in the same plane, and a driving cavity is arranged in the lifting platform (6); the transition wheel (62) is arranged on the inner side of the lifting platform (6), and the conveying direction of the transition wheel (62) is parallel to the conveying direction of the first conveying belt (3); the driving gear (68) is arranged in the driving cavity, and a rotating shaft of the driving gear (68) penetrates through the lifting platform (6) and is connected with the rotating shaft of the driving gear (68); a rotating shaft of the rotating motor (67) is connected with a rotating shaft of the driving gear (68), and the rotating speed of the rotating motor (67) is matched with the transmission of the first transmission belt (3); the lifting cylinder (63) is vertically arranged below the lifting platform (6), and the telescopic end of the lifting cylinder is fixed with the lifting platform (6);

the pressing device comprises a driven gear (69) and a pressing wheel (61); the lower pressing wheel (61) is arranged on the inner side of the lifting platform (6) and is positioned above the transition wheel (62), the conveying direction of the lower pressing wheel (61) is parallel to the transition wheel (62), the central axis of the lower pressing wheel is higher than the circuit board, the lowest point of the lower pressing wheel (61) is lower than the upper surface of the first conveying belt (3), and a rubber layer is arranged on the surface of the lower pressing wheel (61); the driven gear (69) is arranged in the driving cavity, a rotating shaft of the driven gear penetrates through the lifting platform (6) and is connected with a rotating shaft of the lower pressing wheel (61), and the driven gear (69) is meshed with the driving wheel.

8. A high precision detection system according to claim 7, characterized in that the transition conveyor comprises a reject conveyor belt (64), an auxiliary wheel (66), a spring (65), a reject box (8); the auxiliary wheel (66) is arranged below the transition wheel (62) and is positioned on one side of the transition wheel (62) close to the output conveyor belt (7); an auxiliary sliding groove is formed in the inner side surface of the conveying seat (2), an auxiliary sliding block is arranged in the auxiliary sliding groove, and the auxiliary sliding block is connected with a rotating shaft bearing of the auxiliary wheel (66); the spring (65) is arranged in the auxiliary sliding groove and positioned on the inner side of the auxiliary sliding block, one end of the spring is fixed with the inner side surface of the auxiliary sliding groove, the other end of the spring is fixed with the auxiliary sliding block, and the spring (65) is in a compressed state; and the defective product box (8) is arranged on the side of the transition conveying device and matched with the defective product conveying belt (64).

9. A control method of a high-precision detection system is characterized by comprising the following steps:

when the detection device finishes working, the following steps are carried out:

a1: the control system controls the first motor (510) to rotate, so that the first sliding block (5) moves to drive the first electronic magnifier (54) to move, and the first electronic magnifier (54) moves into the first matching port;

a2: the control system controls the second motor (410) to rotate, so that the second sliding block (4) moves to drive the second electronic magnifier (44) to move, and the second electronic magnifier (44) moves into the second matching port until the detection device starts to work.

10. The control method of a high precision detection system according to claim 9, comprising:

when the detection device is transported, the following steps are carried out:

b1: the first electronic magnifier (54) and the second electronic magnifier (44) are taken down and stored separately by screwing out screws;

b2: the first inner limiting plate (55), the first outer limiting plate (56), the second inner limiting plate (45) and the second outer limiting plate (46) are taken down from the side plate (9) by screwing out screws, then the first lead screw (51) and the second lead screw (41) are taken down, and then the side plate (9) is taken down from the detection seat (1) by screwing out screws;

b3: the adjusting cylinder (22) is separated from the detecting seat (1) by screwing out a screw, then the conveying seat (2) is pushed outwards, the adjusting slide block (21) is separated from the adjusting slide way, and then the disassembled structure is packaged and transported.