CN112547533A - Quality intelligent monitoring system of PCB processing production line based on image contrast - Google Patents

Quality intelligent monitoring system of PCB processing production line based on image contrast Download PDF

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Publication number
CN112547533A
CN112547533A CN202011449420.XA CN202011449420A CN112547533A CN 112547533 A CN112547533 A CN 112547533A CN 202011449420 A CN202011449420 A CN 202011449420A CN 112547533 A CN112547533 A CN 112547533A
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CN
China
Prior art keywords
monitoring system
pcb
pivot
fixed
quality monitoring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011449420.XA
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Chinese (zh)
Inventor
邹浙湘
温开元
胡小琼
揭英豪
张无忌
张钦烟
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Beijing Institute of Technology Zhuhai
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Beijing Institute of Technology Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Institute of Technology Zhuhai filed Critical Beijing Institute of Technology Zhuhai
Priority to CN202011449420.XA priority Critical patent/CN112547533A/en
Publication of CN112547533A publication Critical patent/CN112547533A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/361—Processing or control devices therefor, e.g. escort memory
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/361—Processing or control devices therefor, e.g. escort memory
    • B07C5/362—Separating or distributor mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/38—Collecting or arranging articles in groups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956—Inspecting patterns on the surface of objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956—Inspecting patterns on the surface of objects
    • G01N2021/95638—Inspecting patterns on the surface of objects for PCB's

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention discloses an image-contrast-based intelligent quality monitoring system of a PCB (printed circuit board) processing production line, which belongs to the technical field of image recognition and detection, and comprises a bottom plate, wherein a conveying mechanism is arranged at the upper end of the bottom plate, an L-shaped frame is fixed on the rear side of the upper end of the bottom plate, a rectangular cover is fixed at the bottom end of the L-shaped frame, openings are symmetrically formed in the left side and the right side of the rectangular cover, a mounting plate is fixed on the right side of the rectangular cover, a sorting mechanism and a pressing mechanism are respectively arranged on the mounting plate, a storage box is arranged at the upper end of the; the PCB can be placed between the U-shaped limiting blocks at the front side and the rear side, so that the PCB is limited, and the PCB is prevented from displacing; drive the clamp plate through electric putter two and down press the lug, be convenient for shift up PCB from positioning mechanism down, can press positioning mechanism simultaneously, prevent its removal, drive the inside that the push pedal pushed PCB into the storage case through electric putter one.

Description

Quality intelligent monitoring system of PCB processing production line based on image contrast
Technical Field
The invention relates to the technical field of image recognition and detection, in particular to an intelligent quality monitoring system of a PCB (printed circuit board) processing production line based on image comparison.
Background
Defective products such as missing parts, misdetection, deviation and the like may occur in the PCB manufacturing process. The product detection is one of important processes in the PCB manufacturing process, and can effectively ensure the delivery quality of the PCB. In order to accurately detect the defects of wrong installation of PCB components, welding wire missing, burrs, short circuits and the like, the traditional modes of manual visual spot inspection and the like are no longer suitable for mass production. Therefore, an efficient PCB detection method suitable for assembly line work is needed, which effectively improves detection efficiency and accuracy through machine vision, picks out defective PCBs, and avoids the influence of defective PCBs on the quality of subsequent process products.
The patent specification with the patent publication number of CN110216080A discloses a quality monitoring system of a PCB processing production line based on image contrast, wherein a detection chamber and a sorting device are arranged on a rack, a conveyor belt penetrates through a rectangular through hole at the lower part of the detection chamber, and the sorting device is arranged close to an outlet of the conveyor belt at the lower part of the detection chamber; an image acquisition module, a light source module and a position sensor are arranged in the detection chamber; the image acquisition module, the light source module, the position sensor and the sorting device are respectively in signal connection with the controller; the image acquisition module acquires an image of the PCB to be detected; the light source module provides a light source for the PCB to be tested; the position sensor detects the position of the PCB to be detected; the sorting device sorts out the PCB with the defects detected; the controller receives the image signal of the image acquisition module, and controls the action of the sorting device after comparing the image signal with the image of the standard PCB.
Although the scheme realizes that the image contrast technology is utilized to improve the production efficiency, the method still has the following defects: above-mentioned scheme need guarantee PCB's positional stability at the removal in-process, avoids taking place the offset, in case stabilize spacing back to PCB, is not convenient for promptly push the collecting box with defective PCB.
Therefore, it is highly desirable to design an intelligent quality monitoring system for PCB processing production line based on image contrast.
Disclosure of Invention
The invention aims to provide an intelligent quality monitoring system of a PCB processing production line based on image comparison, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a quality intelligent monitoring system of production line based on image contrast, includes the bottom plate, the upper end of bottom plate is provided with transport mechanism, the upper end rear side of bottom plate is fixed with the shape frame, the bottom mounting of shape frame has the rectangle cover, the opening has been seted up to the left and right sides symmetry of rectangle cover, the right side of rectangle cover is fixed with the mounting panel, be provided with letter sorting mechanism and pushing down the mechanism on the mounting panel respectively, the upper end of bottom plate is provided with the storage case, transport mechanism's upper end is provided with positioning mechanism.
Further, among the above-mentioned PCB processing based on image contrast produces the quality intelligent monitoring system of line, transport mechanism includes support frame, pivot one, changes roller, driving motor, belt and pivot two, the outside of pivot one and pivot two all is equipped with changes the roller, controls the side change and connect through belt transmission between the roller, the side all is provided with the support frame around pivot one and pivot two, pivot one and pivot two rotate with the support frame and be connected, the front end through-going support frame of pivot one is connected with driving motor.
Further, among the above-mentioned PCB processing based on image contrast produces the quality intelligent monitoring system of line, positioning mechanism includes hollow core plate, drum, spring, slide bar, shape stopper, lug and dog, lateral symmetry is provided with the drum around the inner chamber of hollow core plate, the inside of drum is fixed with the spring, the upper end of spring is connected with the slide bar, the upper end of slide bar is fixed with tangible stopper, the upper end of shape stopper runs through hollow core plate and upwards extends, shape stopper and hollow core plate sliding connection, the outside of shape stopper is fixed with the dog, the upper end of shape stopper is fixed with the lug.
Furthermore, among the above-mentioned PCB processing based on image contrast produces the quality intelligent monitoring system of line, letter sorting mechanism includes riser, electric putter one and push pedal, the riser is fixed in the bottom of mounting panel, electric putter one is installed to the front side of strip shaped plate, electric putter one's expansion end is connected with the push pedal.
Furthermore, in the above-mentioned PCB processing based on image contrast produces the quality intelligent monitoring system of line, push down the mechanism and include diaphragm, electric putter two and clamp plate, the diaphragm is fixed in the front side of mounting panel, electric putter two is installed to the bottom of diaphragm, electric putter two's expansion end is connected with the clamp plate.
Furthermore, in the above-mentioned PCB processing production line's based on image contrast quality intelligent monitoring system, the lower extreme of bottom plate is provided with the slipmat.
Compared with the prior art, the invention has the beneficial effects that:
the PCB can be placed between the U-shaped limiting blocks at the front side and the rear side, so that the PCB is limited, and the PCB is prevented from displacing; the pressing plate is driven by the electric push rod II to press the convex block downwards, so that the PCB can be conveniently moved down from the positioning mechanism, meanwhile, the positioning mechanism can be pressed to prevent the PCB from moving, and the electric push rod I drives the push plate to push the PCB into the storage box; the invention improves the stability of the PCB in the transportation process, is convenient to push the defective PCB into the storage box, and can not drive the positioning mechanism to move in the process of pushing the defective PCB.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a positioning mechanism according to the present invention;
FIG. 3 is a top view of the positioning mechanism of the present invention;
FIG. 4 is a top view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-bottom plate, 2-L-shaped frame, 3-conveying mechanism, 31-supporting frame, 32-first rotating shaft, 33-rotating roller, 34-driving motor, 35-belt, 36-second rotating shaft, 4-positioning mechanism, 41-hollow plate, 42-cylinder, 43-spring, 44-sliding rod, 45-U-shaped limiting block, 46-lug, 47-block, 5-rectangular cover, 6-opening, 7-mounting plate, 8-sorting mechanism, 81-vertical plate, 82-first electric push rod, 83-push plate, 9-pressing mechanism, 91-transverse plate, 92-second electric push rod, 93-pressing plate and 11-storage box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a quality intelligent monitoring system of line is produced in PCB processing based on image contrast, comprising a base plate 1, the lower extreme of bottom plate 1 is provided with the slipmat, the upper end of bottom plate 1 is provided with transport mechanism 3, the upper end rear side of bottom plate 1 is fixed with L shape frame 2, the bottom mounting of L shape frame 2 has rectangle cover 5, the inboard of rectangle cover 5 is detection area, its inside image acquisition module that is provided with, light source module, position sensor, adopt prior art, opening 6 has been seted up to rectangle cover 5's left and right sides symmetry, rectangle cover 5's right side is fixed with mounting panel 7, be provided with letter sorting mechanism 8 and pushing down mechanism 9 on the mounting panel 7 respectively, the upper end of bottom plate 1 is provided with storage case 11, transport mechanism 3's upper end is provided with positioning.
Wherein, transport mechanism 3 includes support frame 31, a pivot 32, change roller 33, driving motor 34, belt 35 and two 36 of pivot, and the outside of a pivot 32 and two 36 of pivot all overlaps and is equipped with and changes roller 33, controls to incline to change and connect through belt 35 transmission between the roller 33, and the front and back side of a pivot 32 and two 36 of pivot all is provided with support frame 31, and a pivot 32 and two 36 of pivot rotate with support frame 31 to be connected, and the front end of a pivot 32 runs through support frame 31 and is connected with driving motor 34.
Positioning mechanism 4 includes hollow plate 41, drum 42, spring 43, slide bar 44, U-shaped stopper 45, lug 46 and dog 47, lateral symmetry is provided with drum 42 around hollow plate 41's the inner chamber, the inside of drum 42 is fixed with spring 43, the upper end of spring 43 is connected with slide bar 44, the upper end of slide bar 44 is fixed with U-shaped stopper 45, the coating has emollient on U-shaped stopper 45, hollow plate 41 upwards extends is run through to U-shaped stopper 45's upper end, U-shaped stopper 45 and hollow plate 41 sliding connection, the outside of U-shaped stopper 45 is fixed with dog 47, the upper end of U-shaped stopper 45 is fixed with lug 46.
Sorting mechanism 8 includes riser 81, electric putter 82 and push pedal 83, and riser 81 is fixed in the bottom of mounting panel 7, and electric putter 82 is installed to the front side of strip shaped plate 81, and the expansion end of electric putter 82 is connected with push pedal 83.
The pressing mechanism 9 comprises a transverse plate 91, a second electric push rod 92 and a pressing plate 93, the transverse plate 91 is fixed on the front side of the mounting plate 7, the second electric push rod 92 is mounted at the bottom end of the transverse plate 91, and the pressing plate 93 is connected to the movable end of the second electric push rod 92.
The working principle of the embodiment is as follows: when the PCB limiting device is used, the PCB is placed between the U-shaped limiting blocks 45 on the front side and the rear side, and the PCB is limited. The driving motor 34 is activated to transfer the PCB board to the inside of the rectangular housing 5, i.e., into the inspection area.
The position sensor senses a PCB to be detected and immediately sends a signal to the controller, the controller sends a signal for image acquisition to the image acquisition module, and the image acquisition module photographs the PCB to be detected and transmits acquired image information to the image processing module in the controller for processing. The judgment module outputs a control signal to the motion control module, and the motion control module controls the first electric push rod and the second electric push rod to move. The control mode adopts the prior art and is not described in detail.
When the PCB is judged to be defective, the positioning mechanism 4 is moved out of the rectangular cover 5, the electric push rod II 92 is started, the pressing plate 93 is used for pressing the bump 46 downwards, so that the PCB can be moved down from the positioning mechanism 4, and meanwhile, the positioning mechanism 4 can be pressed to prevent the PCB from moving. And starting the first electric push rod 81 to drive the push plate 83 to push the PCB into the storage box 11.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a quality intelligent monitoring system of PCB processing production line based on image contrast, includes bottom plate (1), its characterized in that: the upper end of bottom plate (1) is provided with transport mechanism (3), the upper end rear side of bottom plate (1) is fixed with L shape frame (2), the bottom mounting of L shape frame (2) has rectangle cover (5), opening (6) have been seted up to the left and right sides symmetry of rectangle cover (5), the right side of rectangle cover (5) is fixed with mounting panel (7), be provided with letter sorting mechanism (8) and hold-down mechanism (9) on mounting panel (7) respectively, the upper end of bottom plate (1) is provided with storage case (11), the upper end of transport mechanism (3) is provided with positioning mechanism (4).
2. The intelligent quality monitoring system for the PCB processing production line based on image comparison according to claim 1, wherein the intelligent quality monitoring system comprises: transport mechanism (3) are including support frame (31), pivot one (32), change roller (33), driving motor (34), belt (35) and pivot two (36), the outside of pivot one (32) and pivot two (36) all is equipped with and changes roller (33), controls the side change and connect through belt (35) transmission between roller (33), the front and back side of pivot one (32) and pivot two (36) all is provided with support frame (31), pivot one (32) and pivot two (36) rotate with support frame (31) and are connected, the front end of pivot one (32) runs through support frame (31) and is connected with driving motor (34).
3. The intelligent quality monitoring system for the PCB processing production line based on image comparison according to claim 1, wherein the intelligent quality monitoring system comprises: positioning mechanism (4) are including hollow core plate (41), drum (42), spring (43), slide bar (44), U-shaped stopper (45), lug (46) and dog (47), lateral symmetry is provided with drum (42) around the inner chamber of hollow core plate (41), the inside of drum (42) is fixed with spring (43), the upper end of spring (43) is connected with slide bar (44), the upper end of slide bar (44) is fixed with U-shaped stopper (45), hollow core plate (41) upwards extension is run through to the upper end of U-shaped stopper (45), U-shaped stopper (45) and hollow core plate (41) sliding connection, the outside of U-shaped stopper (45) is fixed with dog (47), the upper end of U-shaped stopper (45) is fixed with lug (46).
4. The intelligent quality monitoring system for the PCB processing production line based on image comparison according to claim 1, wherein the intelligent quality monitoring system comprises: sorting mechanism (8) are including riser (81), electric putter one (82) and push pedal (83), the bottom of mounting panel (7) is fixed in riser (81), electric putter one (82) are installed to the front side of strip shaped plate (81), the expansion end of electric putter one (82) is connected with push pedal (83).
5. The intelligent quality monitoring system for the PCB processing production line based on image comparison according to claim 1, wherein the intelligent quality monitoring system comprises: push down mechanism (9) and include diaphragm (91), electric putter two (92) and clamp plate (93), diaphragm (91) are fixed in the front side of mounting panel (7), electric putter two (92) are installed to the bottom of diaphragm (91), the expansion end of electric putter two (92) is connected with clamp plate (93).
6. The intelligent quality monitoring system for the PCB processing production line based on image comparison according to claim 1, wherein the intelligent quality monitoring system comprises: the lower end of the bottom plate (1) is provided with an anti-skid pad.
CN202011449420.XA 2020-12-09 2020-12-09 Quality intelligent monitoring system of PCB processing production line based on image contrast Pending CN112547533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011449420.XA CN112547533A (en) 2020-12-09 2020-12-09 Quality intelligent monitoring system of PCB processing production line based on image contrast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011449420.XA CN112547533A (en) 2020-12-09 2020-12-09 Quality intelligent monitoring system of PCB processing production line based on image contrast

Publications (1)

Publication Number Publication Date
CN112547533A true CN112547533A (en) 2021-03-26

Family

ID=75061604

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011449420.XA Pending CN112547533A (en) 2020-12-09 2020-12-09 Quality intelligent monitoring system of PCB processing production line based on image contrast

Country Status (1)

Country Link
CN (1) CN112547533A (en)

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