CN108225168A - A kind of PCB aperture copper and face copper online testing device and test method - Google Patents
A kind of PCB aperture copper and face copper online testing device and test method Download PDFInfo
- Publication number
- CN108225168A CN108225168A CN201810072519.9A CN201810072519A CN108225168A CN 108225168 A CN108225168 A CN 108225168A CN 201810072519 A CN201810072519 A CN 201810072519A CN 108225168 A CN108225168 A CN 108225168A
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- China
- Prior art keywords
- copper
- pcb
- measuring instrument
- face
- testing device
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
Abstract
The invention discloses a kind of PCB aperture copper and face copper online testing devices, including device body, servo controller is provided in device body, servo controller is connected with face copper measuring instrument, hole copper measuring instrument and reading code mechanism, and servo controller control plane copper measuring instrument, hole copper measuring instrument and reading code mechanism are positioned at the predeterminated position in pcb board face.Hole copper measuring instrument and face copper measuring instrument are integrated in a device by online testing device, the timely adjustment of position can be carried out under the control of servo controller, realize multipoint positioning, it can all products of on-line measurement, it, without carrying out the processing such as being sliced to product, is a kind of to test device of the product without destruction, while testing efficiency is high, the electroplating quality of PCB can obtain effective monitoring, product with stable quality.A kind of test method is also disclosed, which is a kind of online direct detecting method, and testing efficiency is high, test method step is simple, easily operated, and cost of labor is low.
Description
Technical field
The invention belongs to printed circuit board production technical field, be related to a kind of printed circuit board electro-coppering thickness test device and
Test method relates in particular to a kind of printed circuit board electroplating hole copper and face copper copper thickness online testing device and test method.
Background technology
From the 1960s, printed circuit board (PCB) industry just solves layer using hole metallization and electroplating technology
Between connection or the problem of conducting, electroplating technology is most basic and crucial step in PCB productions, can directly affect circuit board production
The electrical property and unfailing performance of product, electroplating technology is complicated and is susceptible to various quality problems.Two kinds of basic mesh based on plating
's：Hole metallization reaches the conducting between different sandwich circuits and the thickening of plate face copper, and the thickness of copper knead dough copper is a pass in hole
Key technology index and important control point, can be related to meet preset electric current and request signal transmission.
The thickness of printed circuit plate hole copper knead dough copper is tested, conventional test methodologies are manually special using microscope etc.
Measuring instrument is analyzed to identify, and specific measuring method is placed in liquid epoxy tree to shear several products from typesetting after copper facing
Catalyst, curing agent are added in after in fat, to measuring coating cross section in metallographic microscope after cross section grinding, polishing after solidification
Thickness.There is sample rate is slow, measurement efficiency is low etc. in this hand dipping mode, moreover, above-mentioned test method exists
The problem of having destruction and test product limited types to product, can not realizing the inspection of all products, above-mentioned test method is not yet
It can be identified the problems such as local crack, cavity, these problems cause the production quality of printed circuit board that cannot ensure, because
This, provide it is a kind of it is quick, efficiently and to hole copper of the product without destruction and face copper thickness test method become urgently to be resolved hurrily in industry
Common problem.
Invention content
For this purpose, the present invention is exactly to solve the above problems, so as to propose a kind of sampling frequency is high, test speed is fast, to production
Product are without broken novel PCB aperture copper that is fast, can testing all products and face copper online testing device and test method.
In order to solve the above technical problems, the technical scheme is that：
The present invention provides a kind of PCB aperture copper and face copper online testing device, and described device includes device body, described device
Servo controller is provided in ontology, the servo controller is connected with face copper measuring instrument, hole copper measuring instrument and reading code mechanism, institute
State the predeterminated position that servo controller controls the face copper measuring instrument, hole copper measuring instrument and reading code mechanism to be positioned at pcb board face.
Preferably, the servo controller includes three-dimensional localization mechanism used for positioning, the cylinder pressure for fixing PCB
Trigger structure and the cylinder detent mechanism for control plane copper measuring instrument and PCB relative positions.
Preferably, the three-dimensional localization mechanism includes CCD positioning camera lens, servo motor and positions camera lens with the CCD
The screw rod group of connection, the screw rod group are formed by the screw combinations set along X, Y, Z axis direction, described in the servo motor control
CCD positioning camera lenses are moved along the screw rod group in X, Y, Z axis direction.
Preferably, the hole copper measuring instrument is connected to the 3 D positioning system, the hole copper measuring instrument has can be deep
Enter the probe in PCB instrument connections, the 3 D positioning system control probe gos deep into the instrument connection.
Preferably, the reading code mechanism includes CCD reading code camera lenses, the CCD reading codes camera lens peripheral ring is around setting red blue
Switchable light source, the CCD reading codes camera lens also have LED backlight.
Preferably, described device ontology has one group of inlet port and outlet port being oppositely arranged, the feed inlet and institute
It states and is provided with the conveying mechanism for being used for transmission PCB between discharge port.
Preferably, the discharge port side is provided with the manipulator for picking unqualified pcb board.
Preferably, the hole copper measuring instrument is lossless thickness of coating tester, the face copper measuring instrument is to use micro- electricity
Hinder the tester of test philosophy.
Preferably, control mechanism is further included, the control mechanism and the servo controller, face copper measuring instrument, hole copper
Measuring instrument, reading code mechanism and manipulator electrical connection.
The present invention also provides a kind of method tested using the PCB aperture copper and face copper online testing device, packets
Include following steps：
S1, PCB to be tested is conveyed into test device ontology, the reading code mechanism is controlled to read pcb board face designated position
Coding；
S2, control servo controller make face copper measuring instrument and hole copper measuring instrument position to the measurement position of PCB；
S3, control plane copper measuring instrument probe PCB surface copper thickness is measured；
S4, control hole copper measuring instrument probe PCB aperture copper thickness, crack, empty situation are measured；
S5, control mechanism judge test result the PCB of test passes is delivered to rear process, test failure
PCB is captured to maintenance position by manipulator and is overhauled.
The above technical solution of the present invention has the following advantages over the prior art：
(1) PCB aperture copper of the present invention and face copper online testing device, described device include device body, the dress
It puts and servo controller is provided in ontology, the servo controller is connected with face copper measuring instrument, hole copper measuring instrument and reading code mechanism,
The servo controller controls the face copper measuring instrument, hole copper measuring instrument and reading code mechanism to be positioned at the predeterminated position in pcb board face.
Hole copper measuring instrument and face copper measuring instrument are integrated in a device by the online testing device, under the control of servo controller
Can carry out the timely adjustment of position, realize multipoint positioning, can all products of on-line measurement, without to product be sliced etc.
Reason is a kind of to test device of the product without destruction, while testing efficiency is high, and the electroplating quality of PCB can obtain effective monitoring, produce
Product stay in grade.
(2) method of the present invention tested using the PCB aperture copper and face copper online testing device, it is sharp first
The coding of pcb board face designated position is read with reading code mechanism, obtains the information such as the production batch number, item number, quantity of the test board,
Then be utilized respectively face copper tester, hole copper tester tests the face copper thickness and hole copper thickness of PCB, face copper test adopt
With micro resistance measuring technology, measuring accuracy is high, and copper test in hole uses lossless thickness of coating tester, can accurately measure PCB through hole
Thickness of coated copper layer, also detectable PCB cracks, cavity and hole quality.The test method is a kind of online direct detecting method, is surveyed
It tries that efficient, test method step is simple, easily operated, reduces cost of labor.
Description of the drawings
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the structure diagram of the PCB aperture copper and face copper online testing device described in the embodiment of the present invention；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the enlarged diagram of part B in Fig. 1.
Reference numeral is expressed as in figure：1- device bodies；2- transmission mechanisms；3- servo controllers；31-CCD positions camera lens；
32- servo motors；33-Z axis screw rods；34- press-down type cylinders；4- faces copper measuring instrument；5- holes copper measuring instrument；6- reading codes mechanism；7-
Control mechanism.
Specific embodiment
Embodiment
The present embodiment provides a kind of PCB aperture copper and face copper online testing device, the hole copper of PCB after being electroplated for on-line testing
Knead dough copper thickness.As shown in Figure 1, it includes device body 1, there is described device ontology 1 test device one group to set relatively
The feeding mouth and a discharge port put, for the feeding mouth for inputting PCB to be tested, the discharge port is used for the PCB after testing
It is removed by device body 1.The transmission mechanism 2 for being used for transmission PCB, the conveyer are provided between the feeding mouth and discharge port
Structure 2 can be conveyor or conveying roller, and in the present embodiment, the transmission mechanism 2 is several groups of conveying rollers.
Servo controller 3 is provided in described device ontology 1, after the servo controller 3 is connected with for measuring plating
The face copper measuring instrument 4 of PCB surface face copper thickness plates the hole copper measuring instrument 5 of copper thickness for PCB through hole after measurement plating and is used for
The reading code mechanism 6 of PCB material informations is read, the face copper measuring instrument 4 is a kind of measuring instrument using micro resistance test philosophy, can
Accurate test PCB shows copper thickness, and the hole copper measuring instrument 5 is lossless coating thickness meter, can accurately measure printed circuit board
Through-hole thickness of coated copper layer, and hole quality can be measured by detecting crack, cavity and non-homogeneous plating.
Specifically, as shown in Fig. 2, the servo controller 3 include for adjust positioning three-dimensional localization mechanism, described three
It ties up detent mechanism and includes CCD positioning camera lenses 31, the CCD positioning camera lens 31 is connected to an X-axis screw rod, and the X-axis screw rod connects
A Y-axis screw rod is connected to, the Y-axis screw rod is connected to a Z axis screw rod, and the X-axis screw rod can be with respect to Y-axis screw motion, the Y-axis
Screw rod can relatively described Z axis screw motion, further include for drive CCD positioning camera lens and screw motion servo motor 32.Institute
State hole copper measuring instrument 5 and be connected to the three-dimensional localization mechanism, under the driving of servo motor around it, upper-lower position can
It adjusting, the PCB has an instrument connection, and the hole copper measuring instrument has and can go deep into probe in the instrument connection, in the present embodiment,
The aperture of the instrument connection is 1mm.The three-dimensional localization mechanism carries out capture by CCD camera lenses, and capture result is counted from the background
It calculates, then servo motor 32 is controlled to be positioned, and the probe of drive hole copper measuring instrument 5 gos deep into the measured hole of PCB being surveyed
Amount.
The servo controller 3 further include air cylinder pressure plate mechanism for fixing PCB and for control plane copper measuring instrument with
The cylinder detent mechanism of PCB relative positions, wherein, the air cylinder pressure plate mechanism includes being respectively arranged at the top and bottom of PCB
Two air cylinder pressure plate platforms further include the cylinder of driving gas air cylinder pressure plate platform relative motion, after PCB is transmitted to 1 inside of device body,
The air cylinder pressure plate platform of cylinder driving top and bottom is close to each other, and PCB clampings are fixed between, prevent PCB from moving
Dynamic positioning is inaccurate or positioning fails.The cylinder detent mechanism includes press-down type cylinder 34, and the face copper tester 4 is connected to
The press-down type cylinder 34, the 34 drive surface copper tester 4 of press-down type cylinder is moved in vertical direction, after contraposition, by face copper
The probe of tester 4 contacts downwards the copper thickness measurement of carry out face with PCB.
As shown in figure 3, the reading code mechanism 6 includes a CCD reading code camera lenses, the CCD reading codes camera lens peripheral ring is around setting
There is red blue color switchable light source, the shooting face of the CCD reading codes camera lens is also corresponding to be provided with a LED backlight.The reading code
Mechanism be by CCD reading codes camera lens read pcb board face designated position coding, such as No. LOT, item number, quantity information.
The discharge port side is additionally provided with the manipulator for picking unqualified pcb board, and manipulator will not conform to panel crawl
It is overhauled to NG, a side of described device ontology 1 is provided with control mechanism, and the control mechanism is computer,
It is electrically connected with servo controller 3, face copper measuring instrument 4, hole copper measuring instrument 5, reading code mechanism 6 and manipulator, for receiving, storing survey
Data are tried, and the test of control plane copper measuring instrument 4,5 beginning and end of hole copper measuring instrument, control reading code mechanism 6 carry out reading code, control
The pcb board of Manipulator Transportation test failure.
The present embodiment also provides a kind of method tested with the PCB aperture copper and face copper online testing device, packet
Include following steps：
S1, PCB to be tested is conveyed into test device ontology by feeding mouth, control mechanism controls the reading code mechanism 6
Read the coding of pcb board face designated position, obtain No. LOT of PCB, item number, the information such as quantity with know hole copper, face copper will
It asks；
S2, control servo controller make face copper measuring instrument and hole copper measuring instrument position to the measurement position of PCB；
S3, control plane copper measuring instrument probe contacted with PCB so as to being measured to PCB surface copper thickness；
S4, control hole copper measuring instrument probe go deep into device to hole copper thickness in PCB through hole, crack, empty situation measure,
Data transmission after measurement is to control mechanism.
S5, control mechanism judge test result the PCB of test passes is delivered to rear process, test failure
PCB is captured to maintenance position by manipulator and is overhauled.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. a kind of PCB aperture copper and face copper online testing device, which is characterized in that described device includes device body, described device
Servo controller is provided in ontology, the servo controller is connected with face copper measuring instrument, hole copper measuring instrument and reading code mechanism, institute
State the predeterminated position that servo controller controls the face copper measuring instrument, hole copper measuring instrument and reading code mechanism to be positioned at pcb board face.
2. PCB aperture copper according to claim 1 and face copper online testing device, which is characterized in that the servo controller
Including three-dimensional localization mechanism used for positioning, for the air cylinder pressure plate mechanism of fixing PCB and for control plane copper measuring instrument and PCB
The cylinder detent mechanism of relative position.
3. PCB aperture copper according to claim 2 and face copper online testing device, which is characterized in that the three-dimensional localization machine
Structure include CCD positioning camera lens, servo motor and with the screw rod group that connect of CCD positioning camera lenses, the screw rod group is by along X, Y, Z
The screw combinations of axis direction setting form, and the servo motor controls the CCD camera lenses along the screw rod group in X, Y, Z axis direction
Movement.
4. PCB aperture copper according to claim 3 and face copper online testing device, which is characterized in that the hole copper measuring instrument
The 3 D positioning system is connected to, the hole copper measuring instrument has the probe that can go deep into PCB instrument connections, the three-dimensional localization
The system control probe gos deep into the instrument connection.
5. PCB aperture copper according to claim 4 and face copper online testing device, which is characterized in that reading code mechanism packet
CCD reading code camera lenses are included, the CCD reading codes camera lens peripheral ring also has around setting red blue switchable light source, the CCD reading codes camera lens
There is LED backlight.
6. PCB aperture copper according to claim 5 and face copper online testing device, which is characterized in that described device ontology has
There is one group of inlet port and outlet port being oppositely arranged, be provided between the feed inlet and the discharge port and be used for transmission PCB's
Conveying mechanism.
7. PCB aperture copper according to claim 6 and face copper online testing device, which is characterized in that the discharge port side is set
It is equipped with the manipulator for picking unqualified pcb board.
8. PCB aperture copper according to claim 7 and face copper online testing device, which is characterized in that the hole copper measuring instrument
For lossless thickness of coating tester, the face copper measuring instrument is the tester using micro resistance test philosophy.
9. PCB aperture copper according to claim 8 and face copper online testing device, which is characterized in that control mechanism is further included,
The control mechanism is electrically connected with the servo controller, face copper measuring instrument, hole copper measuring instrument, reading code mechanism and manipulator.
10. a kind of side tested using the PCB aperture copper as described in claim any one of 1-9 and face copper online testing device
Method, which is characterized in that include the following steps：
S1, PCB to be tested is conveyed into test device ontology, the reading code mechanism is controlled to read the volume of pcb board face designated position
Code；
S2, control servo controller make face copper measuring instrument and hole copper measuring instrument position to the measurement position of PCB；
S3, control plane copper measuring instrument probe PCB surface copper thickness is measured；
S4, control hole copper measuring instrument probe PCB aperture copper thickness, crack, empty situation are measured；
S5, control mechanism judge test result, and the PCB of test passes is delivered to rear process, the PCB of test failure by
Manipulator is captured to maintenance position and is overhauled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072519.9A CN108225168A (en) | 2018-01-25 | 2018-01-25 | A kind of PCB aperture copper and face copper online testing device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072519.9A CN108225168A (en) | 2018-01-25 | 2018-01-25 | A kind of PCB aperture copper and face copper online testing device and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108225168A true CN108225168A (en) | 2018-06-29 |
Family
ID=62667273
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810072519.9A Pending CN108225168A (en) | 2018-01-25 | 2018-01-25 | A kind of PCB aperture copper and face copper online testing device and test method |
Country Status (1)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827170A (en) * | 2018-07-09 | 2018-11-16 | 东莞市耀发机械设备有限公司 | A kind of online double-side copper thickness test machine |
| CN109556504A (en) * | 2019-01-14 | 2019-04-02 | 深圳市美瑞安科技有限公司 | A kind of double-sided printed-circuit board copper coating thickness measuring system |
| CN110187262A (en) * | 2019-06-28 | 2019-08-30 | 广东正业科技股份有限公司 | A kind of choosing method of detection test points |
| CN110207634A (en) * | 2019-06-28 | 2019-09-06 | 广东正业科技股份有限公司 | A kind of in-situ measurement equipment and measurement method |
| CN111077435A (en) * | 2020-01-09 | 2020-04-28 | 惠州市大亚湾科翔科技电路板有限公司 | Monitoring method for abnormal copper in printed circuit board hole |
| CN111121609A (en) * | 2018-10-31 | 2020-05-08 | 无锡市帕尔斯仪器有限公司 | Full-automatic online double-sided metal foil or metal coating thickness measuring device |
| CN115060180A (en) * | 2022-06-22 | 2022-09-16 | 信丰金钻电子有限公司 | Detection device and detection method for detecting position and size of hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827170A (en) * | 2018-07-09 | 2018-11-16 | 东莞市耀发机械设备有限公司 | A kind of online double-side copper thickness test machine |
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| CN111121609A (en) * | 2018-10-31 | 2020-05-08 | 无锡市帕尔斯仪器有限公司 | Full-automatic online double-sided metal foil or metal coating thickness measuring device |
| CN109556504A (en) * | 2019-01-14 | 2019-04-02 | 深圳市美瑞安科技有限公司 | A kind of double-sided printed-circuit board copper coating thickness measuring system |
| CN110187262A (en) * | 2019-06-28 | 2019-08-30 | 广东正业科技股份有限公司 | A kind of choosing method of detection test points |
| CN110207634A (en) * | 2019-06-28 | 2019-09-06 | 广东正业科技股份有限公司 | A kind of in-situ measurement equipment and measurement method |
| CN110207634B (en) * | 2019-06-28 | 2021-07-02 | 广东正业科技股份有限公司 | Online measuring equipment and measuring method |
| CN110187262B (en) * | 2019-06-28 | 2021-08-24 | 广东正业科技股份有限公司 | Selection method of surface copper thickness detection test point |
| CN111077435A (en) * | 2020-01-09 | 2020-04-28 | 惠州市大亚湾科翔科技电路板有限公司 | Monitoring method for abnormal copper in printed circuit board hole |
| CN115060180A (en) * | 2022-06-22 | 2022-09-16 | 信丰金钻电子有限公司 | Detection device and detection method for detecting position and size of hole |
| CN115060180B (en) * | 2022-06-22 | 2023-08-04 | 信丰金钻电子有限公司 | Detection device and detection method for detecting positions and sizes of holes |
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Application publication date: 20180629 |