CN104890372B - The useless plate marking devices of PCB and its marking method - Google Patents

The useless plate marking devices of PCB and its marking method Download PDF

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Publication number
CN104890372B
CN104890372B CN201510287922.XA CN201510287922A CN104890372B CN 104890372 B CN104890372 B CN 104890372B CN 201510287922 A CN201510287922 A CN 201510287922A CN 104890372 B CN104890372 B CN 104890372B
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China
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pcb
slideway
driving means
conveyer belt
bad
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CN201510287922.XA
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Chinese (zh)
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CN104890372A (en
Inventor
顾宗伟
宋宝忠
潘茂峰
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歌尔股份有限公司
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Publication of CN104890372A publication Critical patent/CN104890372A/en
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Publication of CN104890372B publication Critical patent/CN104890372B/en

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Abstract

The present invention provides a kind of useless plate marking device of PCB and its marking method, and device therein includes the second slideway and mark unit that main body, the first slideway being arranged in main body and the first slideway be arranged in parallel;Wherein, mutual corresponding first conveyer belt and the second conveyer belt are respectively arranged with the inside of the first slideway and the second slideway;PCB passes through the first conveyer belt and the second conveyer belt is moved on the first slideway and the second slideway;Mark unit is fixed in main body, and mark unit is located at the top of the first slideway and the second slideway, and corresponding with the position of PCB;Mark unit is for being marked to the defective products in PCB.Labor intensity, improve production efficiency can be reduced, unnecessary loss is reduced using foregoing invention.

Description

The useless plate marking devices of PCB and its marking method

Technical field

The present invention relates to PCB manufacturing technology fields, more specifically, are related to a kind of useless plate marking devices of PCB and its mark Method.

Background technology

PCB manufacturings need to carry out which acceptance test and labeling before PCB dispatches from the factory, and the PCB of disqualified upon inspection need to be at which Surface is marked differentiation, to be identified during labeling.

During labeling being carried out to PCB, only need to carry out labeling to qualified product piece, once pasted on defective products Mark, not only wastes label element, can also obscure the good product of non-defective unit discord, in the case where defective products outward appearance is difficult detection, exist Defective products flows out, and extends to finished product, causes the possibility that finished product is bad.

At present, carrying out mark to the defective products in several PCB units on complete circuit plate mainly includes:In inspection not The positive and negative of good PCB units carries out bad labelling, and the usual way of this labelling is to make fork or blacking with oil pike (to include whole Body blacking and local blacking) bad element, as shown in the bad labellings of the PCB in accompanying drawing 1, wherein, the PCB1 units of overall blacking Bad PCB units in for circuit board 2.

Understand, the bad program communication block mask in available circuit plate has following defect:

1st, labor intensive material resources, manufacturing cost are high;

2nd, as the face anyway of defective products is intended to labelling, after the labelling of front, justifying need to be overturn, is existed the back side Mislabel and spill tag possibility;

3rd, as the production and inspection of product is respectively in different manufacturing procedures, the data of inspection are difficult statistics, in inspection When going out a large amount of defective products, it is impossible to feed back to front production line in time, cause the lasting generation of defective products and banish, in turn result in not Necessary loss.

The content of the invention

In view of the above problems, it is an object of the invention to provide a kind of PCB marking devices and its marking method, existing to solve PCB mark efficiency is low, high cost, it is of poor quality the problems such as.

According to an aspect of the present invention, there is provided a kind of useless plate marking devices of PCB, including:Main body, it is arranged in main body The second slideway and mark unit that first slideway and the first slideway be arranged in parallel;Wherein, in the first slideway and the second slideway Side is respectively arranged with the first conveyer belt and the second conveyer belt;PCB pass through the first conveyer belt and the second conveyer belt in the first slideway and Move on second slideway;Mark unit is fixed in main body, and mark unit is located at the first slideway and mutual corresponding second slideway Top, it is and corresponding with the position of PCB;Mark unit is for being marked to the defective products in PCB.

According to a further aspect in the invention, there is provided a kind of useless plate marking methods of PCB, including:By the first conveyer belt and Two conveyer belts are sent to PCB above gripper shoe;PCB is fixed on the supporting plate, and is risen in the presence of gripper shoe;Pass through Mark unit carries out mark labelling to bad PCB.

Using the useless plate marking devices of above-mentioned PCB of the invention and its marking method, mistake can be avoided from beating or no marking Situation, reduction labor intensity, the continuous production for improving mark efficiency, controlling defective products, reduce unnecessary loss.

In order to realize above-mentioned and related purpose, the one or more aspects of the present invention include will be explained in below and The feature particularly pointed out in claim.Description below and accompanying drawing are described in detail some illustrative aspects of the present invention. However, some modes in the various modes that can only use principle of the invention indicated in terms of these.Additionally, of the invention It is intended to include all these aspects and their equivalent.

Description of the drawings

By reference to the explanation below in conjunction with accompanying drawing and the content of claims, and with to the present invention more comprehensively Understand, other purposes and result of the present invention will be more apparent and should be readily appreciated that.In the accompanying drawings:

Fig. 1 is the bad labelling schematic diagrams of existing PCB;

Fig. 2 is the overall structure diagram according to the useless plate marking devices of the PCB of the embodiment of the present invention;

Fig. 3 is the partial structural diagram according to the useless plate marking devices of the PCB of the embodiment of the present invention;

Fig. 4 is the supporting plate structure schematic diagram according to the embodiment of the present invention;

Fig. 5 is the mark cellular construction schematic diagram according to the embodiment of the present invention;

Fig. 6 is according to the useless plate marking method flow charts of the PCB of the embodiment of the present invention.

Reference therein includes:PCB01, circuit board 02, main body 1, the first slideway 2, the first conveyer belt 21, second are slided Road 3, the second conveyer belt 31, the first leading screw 41, the first leading screw 42, the second leading screw 43, mark unit 5, PCB6, the first fixed plate 71st, the first fixed plate 72, the first fixed plate 73, the first fixed plate 74, first driving means 81, first driving means 82, first Driving means 83, first driving means 84, the second driving means 85, the second driving means 86, the first slide block 91, the first slide block 92nd, the second slide block 93, alarm device 10, visual device 11, the second fixed plate 12, guide rail 13, the second fixed plate 14, sliding shoe 15th, the 3rd driving means 16, push pedal 17, labelling head 18, gripper shoe 19, air entry 191, sensor 192, limited post 193, shooting 20, four-drive device 21, push pedal 22.

Identical label indicates similar or corresponding feature or function in all of the figs.

Specific embodiment

In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain Many details are stated.It may be evident, however, that these embodiments can also be realized in the case where not having these details. In other examples, for the ease of describing one or more embodiments, known structure and equipment are illustrated in block form an.

During the specific embodiment to the present invention is described, PCB is referred mainly to for justifying PCB, i.e., typesetted PCB, to the process which carries out mark, be primarily referred to as entering for the mono- product of indivedual PCB (bad PCB or useless plates) in justifying PCB Row mark labelling, does not do concrete differentiation during being described below.

For the useless plate mark labor intensive material resources of current PCB, manufacturing cost is high, there is the possibility of wrong mark and spill tag, causes PCB justifyings are sent to by slideway (including the first slideway and the second slideway) and are beaten by the problems such as defective products continuous production, the present invention The lower section of mark unit, and the position of labelling head is adjusted by first direction actuating device and second direction actuating device, in control The mono- product of bad PCB are marked in the presence of system, high precision, speed are fast, low cost, and can be according to analysis system (bag Include impact analysis system and data analysis system) bad data is analyzed and front end production is fed back, it is to avoid defective products is held Continuous production, reduces enterprises' loss.

To describe the useless plate marking devices of PCB and its marking method that the present invention is provided in detail, below with reference to accompanying drawing to this The specific embodiment of invention is described in detail.

Fig. 2 shows the overall structure of the useless plate marking device of PCB according to embodiments of the present invention;Fig. 3 is shown according to this The partial structurtes of the useless plate marking devices of the PCB of inventive embodiments;Fig. 4 shows supporting plate structure according to embodiments of the present invention; And, Fig. 5 shows mark cellular construction according to embodiments of the present invention.

As Fig. 2 to Fig. 5 jointly shown in, the useless plate marking devices of PCB that the present invention is provided include main body 1, arrange on the body 1 The first slideway 2, and the second slideway 3 for be arrangeding in parallel of the first slideway 2 and mark unit 5;Wherein, in the first slideway 2 and second 3 corresponding inner side of slideway is respectively arranged with the first conveyer belt 21 and the second conveyer belt 31;PCB justifyings pass through 21 He of the first conveyer belt Acting on for second conveyer belt 31 is moved on first slideway 2 and the second slideway 3.

Mark unit 5 is fixed on the body 1, and mark unit 5 is located at the top of the first slideway 2 and the second slideway 3, and passes through Adjustment self-position makes the labelling head 18 of mark unit 5 corresponding with the position of PCB6;Finally, by mark unit 5 to PCB6 In defective products be marked.

It should be noted that, the shape of labelling head 18 can be changed according to different PCB specifications, and the mode of mark can be with For ink-jet, label, impression, punching or cut away, for example, when mark is carried out in the way of ink-jet, arrange inside labelling head Having the ink of black or other colors, and be connected with ink-feeding tube carries out the supplement of ink, and concrete mark mode can be according to production Need voluntarily to adjust.

Below by the concrete structure to mark unit 5 and its position relationship with the first slideway 2, the second slideway 3 and main body 1 It is described in detail.

Specifically, mark unit 5 includes first direction actuating device and second direction actuating device;Wherein, first direction Actuating device includes:Be fixedly connected with main body 1 by the first fixed plate (71,72,73,74) first driving means (81,82, 83rd, 84), the first leading screw (41,42) between first driving means (81,82,83,84), and it is located at the first leading screw The first slide block (91,92) on (41,42);Second direction actuating device is arranged on the first slide block (91,92), and second direction is passed Dynamic device includes:Be fixedly connected with the first slide block (91,92) by the second fixed plate (12,14) the second driving means (85, 86) and guide rail 13, the second leading screw 43 between the second driving means (85,86), the sliding shoe 15 on guide rail 13, with And the second slide block 93 on the second leading screw 43, the second slide block 93 is fixedly connected with sliding shoe 15;Arrange on sliding shoe 15 There are the 3rd driving means 16, labelling head 18 is provided with the 3rd driving means 16, the 3rd driving means 16 are used to control mark 18 move up and down.

First slide block (91,92) is moved along the first leading screw (41,42) in the presence of first driving means (81,82,83,84) It is dynamic, drive second direction actuating device to move on actuating device in a first direction, the second slide block 93 the second driving means (85, 86) move along the second leading screw 43 in the presence of, by the first slide block (91,92) and the mobile drive labelling head 18 of the second slide block 93 It is mobile, bad PCB6 is marked;Wherein, the transmission direction (i.e. the direction of motion of the first slide block) of first direction actuating device It is mutually perpendicular to the transmission direction (i.e. the direction of motion of the second slide block) of second direction actuating device, enables mark unit 5 to exist The X-axis of horizontal plane is entered carries out position adjustment with Y-axis both direction, and to bad PCB6 in the presence of sensor and control system Carry out mark labelling.

During the description of above-mentioned reference, first driving means 81 are fixed with main body 1 by the first fixed plate 71 Connection, first driving means 82 are fixedly connected with main body 1 by the first fixed plate 72;First slide block 91 is in first driving means 81 Move with first leading screw of collective effect lower edge 41 of first driving means 82, the first slide block 92 is in first driving means 83 and first First leading screw of collective effect lower edge 42 of driving means 84 is moved, the like, similarly hereinafter.

Additionally, during mark is carried out to PCB, for convenience of fixation is supported to PCB, mark unit 5 also includes Gripper shoe 19;Gripper shoe 19 is located at the lower section of the first slideway 2 and the second slideway 3, and is fixed on master by four-drive device 21 On body 1, air entry 191, sensor 192 and limited post 193 are provided with gripper shoe 19;PCB6 passes through 21 He of the first conveyer belt Second conveyer belt 31 is transmitted to above gripper shoe 19, and is fixed by limited post 193;Control system is according to sensor 193 The signal of feedback, control four-drive device 21 rise and 191 air-breathing of air entry, make PCB6 depart from the first conveyer belt 21 and second Conveyer belt 31, and PCB6 is absorbed and fixed in gripper shoe 19, rower is entered to bad PCB in the presence of labelling head 18 then Note.

It should be noted that, motion (for example, leading screw and the cunning of first direction actuating device and second direction actuating device Block) can also be replaced using forms such as feed belt, chain or tooth bars.

In a specific embodiment of the present invention, the first direction actuating device of mark unit 5 includes four first Driving means (81,82,83,84), four first driving means respectively by four corresponding first fixed plates (71,72,73, 74) rectangular structure is fixed in main body 1, wherein, is provided between first driving means 81 and first driving means 82 One leading screw 41, is provided with the first slide block 91 on the first leading screw 41;It is corresponding with the first leading screw 41, in 83 He of first driving means First leading screw 42 parallel with the first leading screw 41 is provided between first driving means 84, is provided with the first leading screw 42 One slide block 92, by the driving of first driving means (81,82,83,84), the first slide block (91,92) can respectively at first Thick stick is moved on (41,42), realizes the position adjustment in the first direction of mark unit 5.

The second direction actuating device of mark unit 5 is arranged on actuating device in a first direction.Specifically, in the first slide block 91 and first on slide block 92, is respectively arranged with the second fixed plate 12 and the second fixed plate 14, and the second driving means 85 and second are driven Dynamic device 86 is fixedly connected with the second fixed plate 12 and the second fixed plate 14 respectively, drives dress in the second driving means 85 and second Put, the second slide block 93 is provided with the second leading screw 43, second slide block 93 can be Two driving means are moved along the second leading screw 43 in the presence of (85,86), to realize adjusting beating for mark unit 5 in a second direction 18 position of header.

In addition, the guide rail 13 parallel with the second leading screw 43 is further fixed in the second fixed plate 12 and the second fixed plate 14, The sliding shoe 15 being fixedly connected with the second slide block 93 is arranged with guide rail 13, sliding shoe 15 is connected with the slide of guide rail 13, is made Sliding shoe 15 can the sliding on guide rail 13, the 3rd driving means 16 are provided with sliding shoe 15, in the 3rd driving means 16 On be provided with labelling head 18.The concrete position of labelling head 18 is adjusted by first direction actuating device and second direction actuating device Put, and its with the defective products position of PCB6 to it is corresponding when move up and down labelling head 18 by the driving of the 3rd driving means 16 Mark is carried out to defective products.

In other words, four-drive device 21 is installed with the body 1, set in the push pedal 22 of four-drive device 21 Gripper shoe 19 is equipped with, suction hole 191, sensor 192 and the limited post 193 for sucking PCB6 in gripper shoe 19, is provided with, when PCB leads to Cross the first conveyer belt 21 and after the second conveyer belt 31 is transmitted to above gripper shoe 19, can limited post 193 block, now, sensing Device 192 is perceived PCB and is contacted with limited post 193, sends induced signal to control system;Control system is according to sensor 192 The signal of feedback, the push pedal 22 for controlling four-drive device 21 rise and air entry air-breathing, make PCB depart from 21 He of the first conveyer belt Second conveyer belt 31, and being absorbed and fixed in gripper shoe 19, then actuating device and second direction actuating device in a first direction Collective effect under, control labelling head 18 contact with PCB6 and defective products be marked.

Specifically, the control system in the specific embodiment of the invention, for control first driving means (81,82,83, 84), the work of the second driving means (85,86), the 3rd driving means 16 and four-drive device 21, and obtain PCB typesettings Line-spacing and row away from and arranging the ID codes of each PCB.Wherein, before mark is carried out to PCB, first PCB typesetting figures are shifted to an earlier date Input computer, by the particular row of computer for analysis PCB typesetting away from row away from and arranging phase to each the PCB unit in justifying PCB The ID codes answered, carry out bad analysis in order to data analysis system and export bad distribution.

In a preferred embodiment of the present invention, detection means (photographic head 20) is provided with labelling head 18, use In fool proof identification point of the identification on each PCB unit, and the real-time imaging of PCB justifyings is transmitted to control system, carried out Bad point analysiss.

Additionally, the efficiency in order to further enhance PCB marks, reduces bad mark or spill tag, the useless plate marking devices of PCB are also Can include:

Visual device 11, for real-time monitored PCB justifying, and carries out the useless plate labellings of PCB manually;For example, visual device 11 Can be touch screen, can realize that the artificial real-time status from touch screen judges that whether qualified PCB monomers are, and then carry out manual mould The mark of formula, when finger touches touch-control comments the bad PCB images on show image, mark unit 5 is capable of achieving to the bad PCB Mark operation.

Impact analysis system (being to illustrate in figure), for the detection data and the standard sample data that are obtained according to detection means Comparing result, control control system carries out the useless plate labellings of PCB, and records the ID of bad PCB;In other words, PCB is being carried out beating Before mark, the standard specimen of PCB certified products is stored in into system by the shooting of detection means (photographic head) in advance, and by itself and photographic head The real-time imaging for photographing is compared, and beyond range of error and aberration scope, output result of determination is NG, and then sends letter Number mark is carried out to control system, and record the ID of bad PCB, in error allowed band, be judged to OK, complete defective products Mark operation after carry out next PCB analysis judge.

Data analysis system (not shown), the ID frequencys of the bad PCB for being obtained according to impact analysis system, point The bad distribution of analysis PCB justifyings;The ID frequencys of the bad PCB for being collected according to impact analysis system, analyze the justifying of certain batch The bad distribution situation of PCB, when it is continuous it is bad more than limit value after, reported to the police by warning system and bad result fed back to Front end operation, or even stop production operating, so as to the continuation production and circulation of effective control bad products, reduce loss.

Alarm device 10, after the bad distribution for obtaining when data analysis system exceedes preset value, is reported to the police and is incited somebody to action Bad result feeds back to front end operation, and for example, analysis of the analysis system to bad type can be represented with the formation of chart, and will figure Table feeds back to front end production process, and display screen is arranged in operation, to show at any time and update bad data chart;Bad When rate exceedes limit value or continuous bad quantity more than limit value, reported to the police (as alarm lamp is bright or intelligent language by alarm device 10 Sound is pointed out), so as to allow workman to analyze poor prognostic cause and give countermeasure.

It should be noted that in the useless plate marking devices of PCB that the present invention is provided, first driving means (81,82,83, 84), the second driving means (85,86), the 3rd driving means 16 and four-drive device 21 can be electric cylinders and/or cylinder.

The useless plate marking devices of PCB that the present invention is provided, make PCB6 the by the first conveyer belt 21 and the second conveyer belt 31 Move on one slideway 2 and the second slideway 3, and pass through first direction actuating device and second direction actuating device adjustment labelling head 18 Position, enable PCB6 in the presence of gripper shoe 19, mark carried out by labelling head 18 to bad PCB6, so by point Analysis system carries out the bad analyses of PCB, and controls front end operation by analysis result, compares with traditional manual mark, and work is strong The low, production efficiency of degree is high, be capable of the continuous production of effective control defective products, it is to avoid unnecessary loss.

Corresponding with said apparatus, the present invention also provides a kind of PCB marking methods, using the useless plate marking devices of above-mentioned PCB Bad PCB in PCB justifyings is marked, and the method includes:

S610:PCB is sent to above gripper shoe by the first conveyer belt and the second conveyer belt.

Wherein, the first conveyer belt and the second conveyer belt are separately positioned on the relative inner side of the first slideway and the second slideway, lead to Crossing the first transmission belt and the second conveyer belt makes PCB justifyings move on the first slideway and the second slideway, realizes the transmission to PCB.

S620:PCB is fixed on the supporting plate, and is risen in the presence of gripper shoe.

Wherein, after PCB is sent to above gripper shoe, PCB is adsorbed by the limited post and suction hole in gripper shoe In gripper shoe, and by the four-drive device below gripper shoe, PCB is risen and departs from conveyer belt (including the first biography Send band and the second conveyer belt).

S630:Mark labelling is carried out to bad PCB by mark unit.

Wherein, after PCB is fixed, by the first direction actuating device and the second square drive that adjust mark unit Device, makes labelling head positioned at the top of PCB, and the position of bad PCB is detected by detection means and sensor etc., and by the Three driving means carry out mark to bad PCB.

For the embodiment of the PCB marking methods that the present invention is provided, as which is substantially similar to the useless plate mark dresses of PCB Put embodiment, explanation of the related part referring to device embodiment part, here is omitted.

The useless plate marking devices of PCB and its marking method that the present invention is provided, with advantages below:

1st, labor intensity, improve production efficiency are reduced by automatic marking.

2nd, by system control detection and mark, mistake can be prevented effectively from and is beaten and no marking:

3rd, in time bad data can be analyzed, represents bad result in the form of data or chart, and give in time With countermeasure, to control the continuous production of defective products, loss is reduced.

The useless plate marking devices of PCB of the invention and its marking method are described in an illustrative manner above with reference to accompanying drawing. It will be understood by those skilled in the art, however, that for the useless plate marking devices of PCB and its mark side that the invention described above is proposed Method, can be making various improvement on the basis of without departing from present invention.Therefore, protection scope of the present invention should be by institute The content of attached claims determines.

Claims (9)

1. useless plate marking devices of a kind of PCB, including:Main body, the first slideway on the body and first slideway are set The second slideway be arrangeding in parallel and mark unit;Wherein,
Mutual corresponding first conveyer belt and second is respectively arranged with the inside of first slideway and second slideway to pass Send band;
PCB passes through first conveyer belt and second conveyer belt is moved on first slideway and second slideway;
The mark unit is fixed on the body, and the mark unit is located at first slideway and second slideway Top, and it is corresponding with the position of the PCB;
The mark unit is for being marked to the defective products in the PCB;Wherein,
The mark unit includes first direction actuating device and second direction actuating device;
The first direction actuating device includes:The first driving means that are fixedly connected with main body by the first fixed plate, it is located at The first leading screw between the first driving means, and the first slide block on first leading screw;
The second direction actuating device is arranged on first slide block, and the second direction actuating device includes:By The second driving means that two fixed plates are fixedly connected with first slide block and guide rail, positioned between second driving means Two leading screws, the sliding shoe on the guide rail, and the second slide block on second leading screw, second slide block with The sliding shoe is fixedly connected;The 3rd driving means are provided with the sliding shoe, are arranged in the 3rd driving means There is labelling head, the 3rd driving means are used to control the labelling head motion;
First slide block is moved along first leading screw in the presence of the first driving means, drives the second direction Actuating device is moved on the first direction actuating device, second slide block edge in the presence of second driving means The second leading screw movement, drives the labelling head movement, and enters rower to bad PCB in the presence of the 3rd driving means Note.
2. useless plate marking devices of PCB as claimed in claim 1, wherein, the mark unit also includes control system;Wherein,
The control system, for controlling the first driving means, the second driving means and the 3rd driving means, and obtains The line-spacing of the PCB typesettings and row are away from and arranging the ID codes of each PCB.
3. useless plate marking devices of PCB as claimed in claim 2, wherein, the mark unit also includes gripper shoe;Wherein,
The gripper shoe is located at the lower section of first slideway and the second slideway, and is fixed on the master by four-drive device On body, air entry, sensor and limited post are provided with the gripper shoe;
The PCB is transmitted to above the gripper shoe by first conveyer belt and the second conveyer belt, and by described spacing Post is fixed;
Signal of the control system according to the sensor feedback, controls the four-drive device and rises and the air entry Air-breathing, makes the PCB depart from first conveyer belt and the second conveyer belt, and the PCB is absorbed and fixed at the gripper shoe On.
4. useless plate marking devices of PCB as claimed in claim 3, wherein,
The first direction actuating device is mutually perpendicular to the transmission direction of the second direction actuating device.
5. useless plate marking devices of PCB as claimed in claim 4, wherein,
Detection means is provided with the labelling head, the detection means is used for fool proof mark of the identification on the PCB Point, and the real-time imaging of the PCB is transmitted to the control system.
6. the useless plate marking devices of PCB as claimed in claim 5, also include:
Visual device, for real-time monitored PCB, and carries out the useless plate labellings of PCB manually;
Impact analysis system, for the comparing result of the detection data that obtained according to the detection means and standard sample data, Controlling the control system carries out the useless plate labellings of PCB, and records the ID of bad PCB;
Data analysis system, the ID frequencys of the bad PCB for being obtained according to the impact analysis system analyze PCB justifyings Bad distribution;
Alarm device, for, after the bad distribution that the data analysis system is obtained exceedes preset value, being reported to the police and will not Good result feeds back to front end operation.
7. useless plate marking devices of PCB as claimed in claim 6, wherein,
The mark mode of the labelling head is ink-jet, label, impression, punching or cut.
8. useless plate marking devices of PCB as claimed in claim 3, wherein,
The first driving means, the second driving means, the 3rd driving means and four-drive device are electric cylinders and/or cylinder.
9. a kind of useless plate marking methods of PCB, give up plate marking device to PCB using the PCB described in claim 3 to 8 any one Bad PCB in justifying is marked, and methods described includes:
PCB is sent to above gripper shoe by the first conveyer belt and the second conveyer belt;
The PCB is fixed in the gripper shoe, and is risen in the presence of the gripper shoe;
Mark labelling is carried out to the bad PCB by mark unit.
CN201510287922.XA 2015-05-29 2015-05-29 The useless plate marking devices of PCB and its marking method CN104890372B (en)

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CN109016871A (en) * 2018-08-09 2018-12-18 深圳弘锐精密数码喷印设备有限公司 A kind of method, system and the equipment of pcb board automatic printing

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