CN202013325U - Automatic inspecting device for defects of PCB (Printed Circuit Board) - Google Patents

Automatic inspecting device for defects of PCB (Printed Circuit Board) Download PDF

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Publication number
CN202013325U
CN202013325U CN2011200855957U CN201120085595U CN202013325U CN 202013325 U CN202013325 U CN 202013325U CN 2011200855957 U CN2011200855957 U CN 2011200855957U CN 201120085595 U CN201120085595 U CN 201120085595U CN 202013325 U CN202013325 U CN 202013325U
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CN
China
Prior art keywords
hold
roller
roller group
plate
circuit board
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.)
Expired - Fee Related
Application number
CN2011200855957U
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Chinese (zh)
Inventor
肖开文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MEIZHOU TAIYUAN TECHNOLOGY CO LTD
Original Assignee
MEIZHOU TAIYUAN TECHNOLOGY CO LTD
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Filing date
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Priority to CN2011200855957U priority Critical patent/CN202013325U/en
Application granted granted Critical
Publication of CN202013325U publication Critical patent/CN202013325U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an automatic inspecting device for defects of a PCB (Printed Circuit Board). The automatic inspecting device comprises a rack, wherein the rack is provided with a horizontally arranged board conveying roll set, a board inlet compacting roll set, a position detecting switch, a light source detecting mechanism, a photographic device, a board outlet compacting roll set, a horizontally arranged board outlet roll set and a power device, wherein the horizontally arranged board conveying roll set is connected with a computer which is provided with a detection and control procedure and is operated by the control of the computer, and the position detecting switch, the light source detecting mechanism, the photographic device, the board outlet compacting roll set and the horizontally arranged board outlet roll set are used for detecting the position of the PCB. When the automatic inspecting device is in work, the PCB conveyed successively by actions of the horizontally arranged board conveying roll set and the horizontally arranged board conveying roll set is shot by the photographic device step by step, and then the computer pieces the shot images into a whole image, compares the whole image with a prepared standard image and carries out operation analysis so as to find the defects, to mark the defects with circles different in colors and to note down the number of the board for conveniently searching and maintaining. The automatic inspecting device for the PCB has high automaticity, has high inspecting efficiency and inspecting accuracy, is convenient to operate, has low manufacturing cost and is suitable for widely popularizing and using.

Description

A kind of PCB circuit board defect automatic checkout equipment
Technical field
The utility model relates to product defects and checks machinery manufacturing technology field, is a kind of PCB circuit board defect complete-automatic check equipment specifically.
Background technology
At present, the artificial visual inspection is leaned in the product defects inspection greatly in the PCB board production process, and another part is then by mechanical verification.Major part all is to utilize the tracing picture that line sweep obtains and the correct circuit board image of computing machine to compare when adopting mechanical verification, finds out the circuit board defect test mode by computer automatic analysis, checks that precision is greatly improved with manually comparing.But need operating personnel that the PCB circuit board of examine is put on the inspection table top, and after manually doing mark on the defective locations of finding, the artificial taking-up enter down the road reparing process.This mechanical verification relies on manually-operated and realizes that automaticity is on the low side, and inspection speed is slow, operates more loaded down with trivial details.Moreover this machinery utility is that line sweep obtains tracing as mode, mechanical motion precision height, production cost height, complex structure, maintenance technique requires also very high, be difficult to promote the use of in general middle-size and small-size board production enterprise, thereby design a kind of compact conformation, be skillfully constructed, can carry out the inspection of PCB circuit board defect automatically, and check the degree of accuracy height, low cost of manufacture, PCB circuit board defect complete-automatic check equipment easy to maintenance is the utility model design place.
The utility model content
The purpose of this utility model is to provide a kind of compact conformation, is skillfully constructed, and can carry out the inspection of PCB circuit board defect automatically, and checks degree of accuracy height, low cost of manufacture, equipment easy to maintenance.
The utility model can be achieved through the following technical solutions:
The utility model discloses a kind of PCB circuit board defect automatic checkout equipment, this PCB circuit board defect automatic checkout equipment comprises frame, be provided with and horizontally send plate roller group, advance plate hold-down roller group, the position detecting switch that is used to detect the PCB circuit board position, detection light source mechanism, camera head, ejecting plate hold-down roller group, horizontal ejecting plate roller group and propulsion system on the described frame successively, this PCB circuit board defect automatic checkout equipment also comprises the computing machine that has defect analysis inspection and control program; Horizontally send plate roller group, advance plate hold-down roller group, the position detecting switch that is used to detect the PCB circuit board position, detection light source mechanism, camera head, ejecting plate hold-down roller group, horizontally ejecting plate roller group and propulsion system are connected with computing machine and are subjected to its control operation;
Described each free many roller of plate roller group and horizontal ejecting plate roller group that horizontally send are horizontal, one end of roller all is equipped with gearing, half section links to each other before the gearing that horizontally send plate roller group roller and the transmission shaft, horizontally the gearing of ejecting plate roller group roller linked to each other with the transmission shaft second half section, and transmission shaft horizontally send each bar roller on plate roller group and the horizontal ejecting plate roller group to rotate simultaneously and stops by being provided with the driving-belt realization that links to each other with motor apparatus simultaneously;
Describedly advance plate hold-down roller group and include hold-down roller, following hold-down roller parallel in banks, last hold-down roller is driven by the cylinder that is provided with and moves up and down, following hold-down roller is installed on the frame, following hold-down roller one end links to each other with propulsion system, the other end is equipped with synchronous pulley, synchronous pulley links to each other with the lower compression roller of ejecting plate hold-down roller group by synchronous band and links simultaneously with the following hold-down roller that realizes plate hold-down roller group and the lower compression roller of ejecting plate hold-down roller group, depress hold-down roller by cylinder and clamp the accurate progress monitoring of PCB circuit board realization PCB circuit board, last hold-down roller, distance between the following hold-down roller is slightly less than PCB circuit board thickness;
Described detection light source mechanism, it is made up of light transmission glass plate that supports the PCB circuit board and the numerous LED lamps below the light transmission glass plate, and LED lamp area is slightly larger than the area that every row need take the PCB circuit board image; Its position is being advanced between plate hold-down roller group and the ejecting plate hold-down roller group, and the light transmission glass plate upper surface is with to advance the plate lower compression roller concordant with the upper surface of ejecting plate lower compression roller;
Described camera head, it is reached by the CCD camera forms for it provides the accurate transverse horizontal motor apparatus that move the position, and its position is positioned at directly over the detection light source;
Described ejecting plate hold-down roller group includes pressure roller, lower compression roller parallel in banks, last pressure roller is driven by the cylinder that is provided with and moves up and down, lower compression roller is installed on the frame, the one end is equipped with synchronous pulley, synchronous pulley is connected with the following hold-down roller that advances plate hold-down roller group by synchronous band, depress lower compression roller by cylinder and clamp the accurate progress monitoring of PCB circuit board realization PCB circuit board, the distance between last pressure roller, the lower compression roller is slightly less than PCB circuit board thickness;
Described with advance plate hold-down roller group under the propulsion system that link to each other of hold-down roller be stepper motor, it is connected with the lower compression roller of following hold-down roller that advances plate hold-down roller group and ejecting plate hold-down roller group respectively by the synchronous band that is provided with and realizes that hold-down roller and lower compression roller link simultaneously down.
Described PCB circuit board defect automatic checkout equipment, its detection method image that to be computing machine take piecemeal is combined into piece image and finds out circuit board defect with ready standard picture before by the computing machine operational analysis that compares, and enclose next at defective external application different colours figure line, and write down this plate numbering, so that search reparation.
The utility model compared with prior art has following advantage:
The utility model adopts and horizontally send plate roller group, advance plate hold-down roller group, position detecting switch, detection light source mechanism, camera head, ejecting plate hold-down roller group, horizontally ejecting plate roller group and propulsion system are connected with computing machine and are subjected to its control operation, camera head has progressively been taken after into plate hold-down roller group and ejecting plate hold-down roller group successively act on all images of the PCB circuit board of sending here, by computing machine the image of taking is combined into piece image and finds out circuit board defect with ready standard picture before by the computing machine operational analysis that compares, and enclose next at defective external application different colours figure line, and write down this plate numbering, so that search reparation.The utility model is simple in structure, is skillfully constructed, and the automaticity height, the checking efficiency height, and detect the degree of accuracy height, easy to operate, low cost of manufacture is fit to generally promote the use of.
Description of drawings
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 horizontally send plate roller group for the utility model, advances plate hold-down roller group, the structure connection diagram between ejecting plate hold-down roller group and the horizontal ejecting plate roller group;
Accompanying drawing 3 is an A-A cross-sectional view in the accompanying drawing 1.
Embodiment
Come the utility model is further described below in conjunction with Figure of description:
Shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, present embodiment discloses a kind of PCB circuit board defect automatic checkout equipment, this PCB circuit board defect automatic checkout equipment comprises frame 1, be provided with successively on the described frame 1 and horizontally send plate roller group, advance plate hold-down roller group, be used to detect the position detecting switch 11, detection light source mechanism, camera head, ejecting plate hold-down roller group of PCB circuit board position, horizontally ejecting plate roller group and propulsion system 2, this PCB circuit board defect automatic checkout equipment also comprises the computing machine 3 that has defect analysis inspection and control program; Horizontally send plate roller group, advance plate hold-down roller group, the position detecting switch that is used to detect the PCB circuit board position, detection light source mechanism, camera head, ejecting plate hold-down roller group, horizontally ejecting plate roller group and propulsion system are connected with computing machine and are subjected to its control operation;
The described plate roller group of horizontally sending is horizontal by many rollers 4, and an end of roller is equipped with gearing 5; Horizontally ejecting plate roller group is by many rollers 21, one end of roller is equipped with gearing 22, gearing 5 and transmission shaft 30 preceding half section link to each other, gearing 22 linked to each other with 30 second half sections of transmission shaft, transmission shaft 30 simultaneously by be provided with driving-belt 31 link to each other with motor apparatus 6 realization horizontally send plate roller group and horizontally each the bar roller on the ejecting plate roller group rotate simultaneously and stop; This gearing is a power wheel.
Describedly advance plate hold-down roller group and include hold-down roller 7, following hold-down roller 8 parallel in banks, last hold-down roller 7 is driven by the cylinder 9 that is provided with and moves up and down, following hold-down roller 8 is installed on the frame 1, following hold-down roller 8 one ends link to each other with propulsion system 2, the other end is equipped with synchronous pulley 10, synchronous pulley 10 links with the following hold-down roller 8 of realizing plate hold-down roller group and the lower compression roller 13 of ejecting plate hold-down roller group simultaneously by linking to each other with the lower compression roller 13 of ejecting plate hold-down roller group with 12 synchronously, depress hold-down roller 7 clamping PCB circuit boards by cylinder 9 and realize that the PCB circuit board precisely send plate control, last hold-down roller, distance between the following hold-down roller is slightly less than PCB circuit board thickness;
Described detection light source mechanism, it is made up of light transmission glass plate 14 that supports the PCB circuit board and the numerous LED lamps 15 below the light transmission glass plate, and LED lamp area is slightly larger than the area that every row need take the PCB circuit board image; Its position is being advanced between plate hold-down roller group and the ejecting plate hold-down roller group, and the light transmission glass plate upper surface is with to advance the plate lower compression roller concordant with the upper surface of ejecting plate lower compression roller;
Described camera head, it is reached by CCD camera 16 forms for it provides the accurate transverse horizontal motor apparatus that move the position 17, and its position is positioned at directly over the detection light source;
Described ejecting plate hold-down roller group includes pressure roller 18, lower compression roller 13 parallel in banks, last pressure roller 18 is driven by the cylinder 19 that is provided with and moves up and down, lower compression roller 13 is installed on the frame 1, the one end is connected with synchronous pulley 20, synchronous pulley 20 is by being connected with the following hold-down roller 8 that advances plate hold-down roller group with 12 synchronously of being attached thereto, depress lower compression roller 13 by cylinder 19 and clamp the accurate progress monitoring of PCB circuit board realization PCB circuit board, the distance between last pressure roller, the lower compression roller is slightly less than PCB circuit board thickness;
Described horizontal ejecting plate roller group is horizontal by many rollers 21, and an end of roller is equipped with gearing 22 and links to each other with motor apparatus 6 realizes that many rollers rotate simultaneously and stop; This gearing is a power wheel;
Described with advance plate hold-down roller group under the propulsion system that link to each other of hold-down roller 2 be stepper motor, it is connected with the lower compression roller 13 of following hold-down roller 8 that advances plate hold-down roller group and ejecting plate hold-down roller group respectively by the synchronous band that is provided with and realizes that time hold-down roller and lower compression roller link simultaneously.
Described PCB circuit board defect automatic checkout equipment, its detection method image that to be computing machine take piecemeal is combined into piece image and finds out circuit board defect with ready standard picture before by the computing machine operational analysis that compares, and enclose next at defective external application different colours figure line, and write down this plate numbering, so that search reparation.
The general workflow of the utility model PCB circuit board defect automatic checkout equipment is as follows:
The PCB circuit board is placed the utility model automatic checkout equipment, when the PCB circuit board is delivered to the position detecting switch place by horizontally sending the plate roller, position detecting switch sends signal to computing machine, and the last hold-down roller that advances plate hold-down roller group compresses the PCB circuit board under the drive of cylinder.Simultaneously, horizontally send the plate roller to stop operating.
Advance plate hold-down roller group after receiving the signal that computing machine sends, the following hold-down roller that drives plate hold-down roller group rotates, and progressively promotes the distance that the PCB circuit board accurately moves forward and sets, and holds up into horizontality by light transmission glass plate after entering into PCB circuit board detecting zone.
At this moment, computing machine is divided into plurality of rows according to the PCB board area size of setting to be detected with the PCB circuit board, and several shooting areas of every row make the work of LED lamp shinny before shooting, and drives camera head by width of cloth shooting first row's image.Afterwards, computing machine continues to drive plate hold-down roller group and repeats above-mentioned action, and PCB circuit board second row's map sheet is sent into PCB circuit board detecting zone, and camera head is taken second row's image by the width of cloth.
At this moment, PCB circuit board first row's map sheet position enters in the ejecting plate hold-down roller group, after second row's image taking is intact, send on the plate hold-down roller group hold-down roller under the drive of its cylinder, to mention, leave the PCB circuit board, meanwhile, the last pressure roller of ejecting plate hold-down roller group drives to move down through cylinder and compresses the PCB circuit board, provide the stepper motor of power receiving the signal that computing machine sends for ejecting plate hold-down roller group, the lower compression roller that drives ejecting plate hold-down roller group rotates, promote the accurately given distance of reach of PCB circuit board, make back one row's examine map sheet enter into PCB circuit board detecting zone, last row's map sheet enters on the horizontal ejecting plate roller group.And PCB circuit after this just provides power precisely reach successively by ejecting plate hold-down roller group, each reach one row's image distance enters after the PCB circuit board detecting zone, camera head is taken this row's image by the width of cloth, with this simultaneously, the map sheet before this row's map sheet enters on the horizontal ejecting plate roller group by row.
After having taken all images, by computing machine the image of taking is combined into piece image and finds out circuit board defect with ready standard picture before by the computing machine operational analysis that compares, and enclose at defective external application different colours figure line, and write down this plate numbering, so that search reparation.
After checking out, pressure roller is carried under the drive of cylinder on the ejecting plate hold-down roller group, leaves the PCB circuit board, and the PCB circuit board is under horizontally ejecting plate roller group drives, and ejecting plate enters subsequent processing.
With this simultaneously, another piece PCB circuit board plate carries out next round inspection circulation by horizontally sending plate roller group to deliver to the position detecting switch place.
The utility model adopts and horizontally send plate roller group, advance plate hold-down roller group, position detecting switch, detection light source mechanism, camera head, ejecting plate hold-down roller group, horizontally ejecting plate roller group and propulsion system are connected with computing machine and are subjected to its control operation, camera head has progressively been taken after into plate hold-down roller group and ejecting plate hold-down roller group successively act on all images of the PCB circuit board of sending here, by computing machine the image of taking is combined into piece image and finds out defective with ready standard picture before by the computing machine operational analysis that compares, and enclose next at defective external application different colours figure line, and write down this plate numbering, so that search reparation.The utility model is simple in structure, is skillfully constructed, and the automaticity height, the checking efficiency height, and detect the degree of accuracy height, easy to operate, low cost of manufacture is fit to generally promote the use of.
According to the disclosed information of present embodiment; the utility model design can also be applied to the other technologies field; as the step-by-step movement computer-controlled operation of platy structure, the comparison check of product surface; the computer numerical control process technology of perhaps utilizing the utility model design to be carried out; also belong within the design scope of the present utility model, also belong to the claimed scope of the utility model.
The above is preferred embodiment of the present utility model only, is not that the utility model is done any pro forma restriction; But the those of ordinary skill of all industry is all implemented the utility model with the above shown in the by specification accompanying drawing swimmingly; But all those skilled in the art can utilize the above technology contents that discloses and a little change, modification of making and the equivalent variations that develops in not breaking away from the technical solutions of the utility model scope, be equivalent embodiment of the present utility model; Simultaneously, all foundations essence technology of the present utility model all still belongs within the protection domain of the technical solution of the utility model change, modification and the differentiation etc. of any equivalent variations that above embodiment did.

Claims (1)

1. PCB circuit board defect automatic checkout equipment, comprise frame, it is characterized in that: be provided with and horizontally send plate roller group, advance plate hold-down roller group, the position detecting switch that is used to detect the PCB circuit board position, detection light source mechanism, camera head, ejecting plate hold-down roller group, horizontal ejecting plate roller group and propulsion system on the described frame successively, this PCB circuit board defect automatic checkout equipment also comprises the computing machine that has defect analysis inspection and control program; Horizontally send plate roller group, advance plate hold-down roller group, the position detecting switch that is used to detect the PCB circuit board position, detection light source mechanism, camera head, ejecting plate hold-down roller group, horizontally ejecting plate roller group and propulsion system are connected with computing machine and are subjected to its control operation;
Described plate roller group and each free many roller of horizontal ejecting plate roller group of horizontally sending horizontally form, one end of roller all is equipped with gearing, horizontally send the gearing of plate roller group roller all to link to each other with the transmission shaft that is provided with the gearing of horizontal ejecting plate roller group roller, transmission shaft link to each other simultaneously with motor apparatus realization horizontally send plate roller group and horizontally each the bar roller on the ejecting plate roller group rotate simultaneously and stop;
Describedly advance plate hold-down roller group and include hold-down roller, following hold-down roller parallel in banks, last hold-down roller is driven by the cylinder that is provided with and moves up and down, following hold-down roller is installed on the frame, following hold-down roller one end links to each other with propulsion system, the other end is equipped with synchronous pulley, synchronous pulley links to each other with the lower compression roller of ejecting plate hold-down roller group by synchronous band and links simultaneously with the following hold-down roller that realizes plate hold-down roller group and the lower compression roller of ejecting plate hold-down roller group, depress hold-down roller by cylinder and clamp the PCB circuit board, realize the accurate progress monitoring of PCB circuit board, last hold-down roller, distance between the following hold-down roller is slightly less than PCB circuit board thickness;
Described detection light source mechanism, it is made up of light transmission glass plate that supports the PCB circuit board and the numerous LED lamps below the light transmission glass plate, and LED lamp area is slightly larger than the area that every row need take the PCB circuit board image; Its position is being advanced between plate hold-down roller group and the ejecting plate hold-down roller group, and the light transmission glass plate upper surface is with to advance the plate lower compression roller concordant with the upper surface of ejecting plate lower compression roller;
Described camera head, it is reached by the CCD camera forms for it provides the accurate transverse horizontal motor apparatus that move the position, and its position is positioned at directly over the detection light source;
Described ejecting plate hold-down roller group includes pressure roller, lower compression roller parallel in banks, last pressure roller is driven by the cylinder that is provided with and moves up and down, lower compression roller is installed on the frame, the one end is equipped with synchronous pulley, synchronous pulley is connected with the following hold-down roller that advances plate hold-down roller group by synchronous band, depress lower compression roller by cylinder and clamp the PCB circuit board, realize the accurate progress monitoring of PCB circuit board, the distance between last pressure roller, the lower compression roller is slightly less than PCB circuit board thickness;
Described with advance plate hold-down roller group under the propulsion system that link to each other of hold-down roller be stepper motor, it is connected with the lower compression roller of following hold-down roller that advances plate hold-down roller group and ejecting plate hold-down roller group respectively by the synchronous band that is provided with and realizes that hold-down roller and lower compression roller link simultaneously down.
CN2011200855957U 2011-03-23 2011-03-23 Automatic inspecting device for defects of PCB (Printed Circuit Board) Expired - Fee Related CN202013325U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200855957U CN202013325U (en) 2011-03-23 2011-03-23 Automatic inspecting device for defects of PCB (Printed Circuit Board)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200855957U CN202013325U (en) 2011-03-23 2011-03-23 Automatic inspecting device for defects of PCB (Printed Circuit Board)

Publications (1)

Publication Number Publication Date
CN202013325U true CN202013325U (en) 2011-10-19

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Application Number Title Priority Date Filing Date
CN2011200855957U Expired - Fee Related CN202013325U (en) 2011-03-23 2011-03-23 Automatic inspecting device for defects of PCB (Printed Circuit Board)

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Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102221563A (en) * 2011-03-23 2011-10-19 梅州泰源科技有限公司 Apparatus for automatically inspecting defects of PCB (printed circuit board)
CN102539441A (en) * 2011-12-29 2012-07-04 中国科学院长春光学精密机械与物理研究所 Inspection method for inspecting welding correctness of the device of device on circuit board in batch
CN109239097A (en) * 2016-08-23 2019-01-18 王永超 The visual inspection machine structure of integrated circuit board

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102221563A (en) * 2011-03-23 2011-10-19 梅州泰源科技有限公司 Apparatus for automatically inspecting defects of PCB (printed circuit board)
CN102539441A (en) * 2011-12-29 2012-07-04 中国科学院长春光学精密机械与物理研究所 Inspection method for inspecting welding correctness of the device of device on circuit board in batch
CN109239097A (en) * 2016-08-23 2019-01-18 王永超 The visual inspection machine structure of integrated circuit board

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111019

Termination date: 20130323