CN107613659A - A kind of single sided board line pattern typography - Google Patents
A kind of single sided board line pattern typography Download PDFInfo
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- CN107613659A CN107613659A CN201711024016.6A CN201711024016A CN107613659A CN 107613659 A CN107613659 A CN 107613659A CN 201711024016 A CN201711024016 A CN 201711024016A CN 107613659 A CN107613659 A CN 107613659A
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Abstract
The present invention provides a kind of single sided board line pattern typography, including：Nog plate before step 1, circuit printing；Step 2, the distance using adjustable printing machine adjustment half tone and printing table, enter row line printing, and the speed change of half tone is set to lift the speed of version, the speed change lift version is divided into three phases, including having accelerated knife stage, at the uniform velocity mobile phase and acceleration to return sword the stage, four corners of printed pattern are respectively equipped with a detecting point on the half tone；Step 3, UV photocurings；Step 4, acid etching；Step 5, the offset using each detecting on AOI equipment detection wiring board and offset direction, if the offset that detecting point be present exceedes preset value, result is then fed back into adjustable printing machine, return to step 2, readjust lift version speed or adjust the distance of half tone and printing table, otherwise into step 6；Step 6, rear processing procedure.The present invention improves product quality, reduces cost by automatic feedback screen adjustment deformation parameter.
Description
Technical field
The present invention relates to circuit print field, more particularly to a kind of single sided board line pattern typography.
Background technology
Silk-screen printing is the extruding by scraper plate, ink is transferred to by the mesh of areas on stock, is formed
With the picture and text as original copy, because screen printing apparatus is simple and convenient to operate, print, make a plate simply and cost is cheap, adaptability
The advantages that strong, single side printed wiring board forms circuit, welding resistance and two sides character graphics using the method for silk-screen printing more, but passes
The silk screen of system makes to obtain by artificially stretching the tension force at four angles of measurement, and tension force is bigger, and the anamorphose printed is smaller,
But tension force too conference is scored a goal, in order to pursue balance, four angles of silk screen are usually controlled between 26N-28N, but due to artificial
The error and silk screen of operation are easily deformed reasons such as (including deformations silk screen tension set, screen frame in itself) in itself, it is difficult to really
Protect each pull spring net and all meet requirement, in use, also can be with print even if meeting requirement at first
The increase of brush number and aggravate its deformation, so as to exacerbate printing offset, in general, with diminishing for tension force, it prints
Image it is easier outwards skew, obtain circuit gradually to surrounding expand, cause product rejection, in addition, on printing machine silk screen with print
The distance of stock (pcb board) can also change when access times increase on brush table top, or on screen frame at some
Particle can also influence local area network frame height degree etc., can directly affect printing quality.For example, when 500*600mm figure deformation
More than meeting 0.1mm, printing welding resistance, character and the punch process of processing procedure will produce figure deviation thereafter, and serious causes to report
It is useless.In view of this technique is in the presence of too many uncontrollable, it is not easy to which the deformation factor of control affects printing quality, to some accuracy
It is required that high or printed pattern more than 600mm line pattern and welding resistance figure can use coating photoresists, the film egative film contraposition,
Exposed and developed process route substitutes, but the technique can increase 3-4% cost.
The content of the invention
The technical problem to be solved in the present invention, it is to provide a kind of single sided board line pattern typography, realizes automatic anti-
Present screen adjustment deformation parameter, it is ensured that product quality, reduce cost.
What the present invention was realized in：A kind of single sided board line pattern typography, comprises the following steps：
Nog plate before step 1, circuit printing；
Step 2, the distance using adjustable printing machine adjustment half tone and printing table, enter row line printing, and set net
The speed of the speed change lift version of version, the speed change lift version is divided into three phases, including has accelerated knife stage, at the uniform velocity mobile phase and added
Speed is returned sword the stage, and four corners of printed pattern are respectively equipped with a detecting point on the half tone；
Step 3, UV photocurings；
Step 4, acid etching；
Step 5, the offset using each detecting on AOI equipment detection wiring board and offset direction, if in the presence of
The offset of detecting point exceedes preset value, then result is fed back into adjustable printing machine, return to step 2, readjust lift version speed
Degree or the distance of adjustment half tone and printing table, otherwise into step 6；
Step 6, rear processing procedure.
Further, a servomotor is installed at four angles of the screen frame of the adjustable printing machine respectively, each described
Servomotor is connected with the control device of the adjustable printing machine, and servomotor running difference is controlled by the control device
Adjust four distances between angle and printing table of half tone.
Further, the screen frame is installed on two closed slides, and the servomotor is distributed in guide rail both ends, passes through control
Lifting rail processed come control screen frame vertical direction move.
Further, the step 5 further comprises：
Step 51, the offset using each detecting point of AOI equipment detection and offset direction, if detecting point be present
Offset exceedes preset value, then result is fed back into adjustable printing machine；
Step 52, judge whether two detecting points are equidirectional skew at knife, and offset exceedes preset value, if
It is that then adjustment has accelerated the speed in knife stage to analog value, otherwise, into step 53；
Step 53, judge whether two, the place of returning sword detecting point is equidirectional skew, and offset exceedes preset value, if
Be, then adjustment accelerate return sword the stage speed to analog value, otherwise, into step 54；
Step 54, according to each offset exceed preset value detecting point offset direction, control it is described detecting point nearby
A servomotor rise certain distance or decline certain distance, so as to adjustment the corresponding corner of half tone and printing table between
Distance.
Further, a speed change is set to lift version device on the adjustable printing machine, the speed change lift version device includes one
Variable speed electric motors, particularly, the variable speed electric motors, particularly speed realize that speed change lifts version by control device control.
Further, the whole at the uniform velocity shifting for having accelerated knife stage, 1.2 seconds for being 2 seconds, including 0.4 second of the speed change lift version
Dynamic stage and the acceleration of 0.4 second are returned sword the stage.
The invention has the advantages that：, can be in time by adjusting deformation parameter, to reach by the feedback mechanism of the present invention
The function of compensation is printed, without that frequently with draping version, the higher circuit printing of precision can also be realized, cost is substantially reduced, carry
High product printing quality；Frontier inspection survey can be achieved just to print, unnecessary interruption will not be brought to printing-flow, improve printing effect
Rate；Automatic words Intelligent Measurement and adjustment are realized, substantially reduces hand labor intensity, improves detection accuracy；Version is lifted using speed change
Original at the uniform velocity lift version is substituted, ink is solved to the full extent and is adhered problem, further improve printing precision.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is typography streamline schematic diagram of the present invention.
Fig. 2 is present invention printing schematic diagram.
Fig. 3 is skew schematic diagram before pcb board of the present invention correction.
Fig. 4 schematic view of the mounting position between servomotor of the present invention and screen frame.
Fig. 5 is present invention lift version process schematic.
Drawing reference numeral explanation：
1- half tones, 2- printing tables, 3-PCB plates, 4- screen frames, 5- servomotors, 6- printed patterns, 7- detecting points, 8- are led
Rail, 9- printing rubbers are scraped.
Embodiment
As shown in Figures 1 to 5, a kind of single sided board line pattern typography, comprises the following steps：
Nog plate (i.e. pcb board) before step 1, circuit printing；
Step 2, the distance using adjustable printing machine adjustment half tone 1 and printing table 2, enter row line printing, and set
The speed of the speed change lift version of half tone, speed change lift version are divided into three phases, including accelerated knife stage, at the uniform velocity mobile phase and
Acceleration is returned sword the stage, and four corners of printed pattern 6 are respectively equipped with a detecting point 7 on the half tone 1；
Step 3, UV photocurings；
Step 4, acid etching；
Step 5, the offset using each detecting 7 on AOI equipment detection wiring board and offset direction, if in the presence of
The offset of detecting point 7 exceedes preset value, then result is fed back into adjustable printing machine, return to step 2, readjusted accordingly
Printing machine lifts version speed or adjusts the distance of half tone 1 and printing table 2, otherwise into step 6；
Step 6, rear processing procedure.
Preferably, a servomotor 5 is installed at four angles of the screen frame 4 of the adjustable printing machine respectively, it is each described
Servomotor 5 is connected with the middle control of the adjustable printing machine, is operated by the middle control control servomotor 5 and is adjusted net respectively
Distance between 1 four angles of version and printing table 2.The screen frame is installed on two closed slides 8, and the servomotor is distributed in
The both ends of guide rail 8, by controlling the lifting of guide rail 8 to control screen frame vertical direction to move.
Preferably, the step 5 further comprises：
Step 51, the offset using each detecting point 7 of AOI equipment detection and offset direction, if detecting point 7 be present
Offset exceed preset value, then result is fed back into adjustable printing machine；
Step 52, judge whether two detecting points 7 are equidirectional skew at knife, and offset exceedes preset value, if
It is that then adjustment has accelerated the speed in knife stage to analog value (concrete numerical value can be measured by actual conditions), otherwise, into step
53；
Step 53, judge whether two, the place of returning sword detecting point 7 is equidirectional skew, and offset exceedes preset value, if
Be, then adjustment accelerate return sword the stage speed to analog value, otherwise, into step 54；
Step 54, exceeded according to each offset preset value detecting point 7 offset direction, control the detecting point 7 just
A near servomotor 5 rises certain distance or declines certain distance, 1 corresponding corner of half tone and printing table so as to adjustment
The distance between 2.
Preferably, setting a speed change to lift version device on the adjustable printing machine, the speed change lift version device includes one and become
Speed motor, the variable speed electric motors, particularly control its start to realize that speed change lifts version by control device.
Preferably, it is 2 seconds that speed change lift version is whole, including 0.4 second has accelerated at the uniform velocity moving for knife stage, 1.2 seconds
Stage and the acceleration of 0.4 second are returned sword the stage.
It is further explanation that the present invention, which is done, with reference to a specific embodiment：
In screen printing process, due to the distance (i.e. net away from) of half tone 1 to printing table 2 and the meeting of the tension force of half tone 1
Different degrees of change, which occurs, causes printing to deform.And deformation is concentrated mainly on the four of pcb board 3 (being fixed on printing table 2)
Individual angle, reference can be made to shown in Fig. 3, become hour in tension force, image is offset to surrounding, and existing screen printer print glue scrapes 9 movements
It is uniform motion, the movement of lift version and uniform motion, for example it is 2 seconds that printing rubber, which scrapes 9 shift motions, lift version traveling time is also 2
Second.Present invention process is carried out using speed change lift version mode, can be that speed change moves i.e. by the way that it is at the uniform velocity mobile to change original motor
It can be achieved, and the position of screen frame 4 in four corners of half tone 1 is mounted on a servomotor 5 on adjustable printing machine, has
Body, integrally formed screen frame is installed on two closed slides 8, servomotor is directly connected with guide rail 8, by controlling phase
The guide rail 8 of position is answered to lift to control screen frame relevant position to move, each servomotor 5 and the adjustable printing machine
Middle control connection, by the middle control control the running of each servomotor 5 realize to each corner net of half tone 1 away from adjustment, and adopt
Scanned with AOI, the deviations for accurately obtaining four detecting points 7 can be compared by the test pattern in computer, Real-time Feedback is given
Printing machine carries out the adjustment of relevant parameter, and to realize that side is printed, frontier inspection is surveyed, and side adjustment, can adjust improvement printing process in time, solve
Certainly traditional silk-screened problem on deformation.
Specific technological process is as follows：
(1) nog plate processing is carried out to pcb board 3 before circuit printing；
(2) distance (hereinafter referred to as net away from) of half tone 1 and printing table 2 is adjusted, enters row line printing, and set adjustable
The variable speed electric motors, particularly operating rate of speed change lift version device, realizes that speed change lifts version on printing machine, and whole printing rubber is scraped into 9 moving process point
Three phases lift version operation, including accelerated knife stage, at the uniform velocity mobile phase and acceleration to return sword the stage, printed on the half tone 1
Four corners of figure 6 are respectively equipped with a detecting point 7 (a, b, c, d), and the detecting point can be a diameter of 2mm circular detecting point
Or the square detecting point that the length of side is 2mm；
For example, it is 2 seconds that printing rubber, which scrapes 9 shift motions, lift version moves into：20% (i.e. 0.4 second) of 2 seconds of first stage
Acceleration rise the knife stage, has effectively reduced at knife detecting point c with point d is detected and has connected the outside drift of line graph；The 2 of second stage
The at the uniform velocity mobile phase of 60% (i.e. 1.2 seconds) of second；And the acceleration of 20% (i.e. 0.4 second) of 2 seconds of phase III is returned sword rank
Section, it can so allow and detecting point a and detect point b and connect line graph and no longer turn right drift, can so overcome ink sticky net, it is strong
Just general printed wire figure is playing the problem of knife expands with place's figure of returning sword toward periphery；
(3) UV photocurings；
(4) acid etching；
(5) using each offset for detecting point of the plate after the detection etching of AOI equipment and offset direction, if in the presence of
The offset of detecting point exceedes preset value (such as 0.05mm), then result is fed back into adjustable printing machine, specifically：If play knife
Two, place detecting point is equidirectional skew, and offset exceedes preset value, then adjustment has accelerated the speed in knife stage to accordingly
Value；If two, place detecting point of returning sword be equidirectional skew, and offset exceedes preset value, then adjusts acceleration and return sword the speed in stage
Rate is to analog value；In the case of other, then exceed the offset direction of the detecting point of preset value according to each offset, detectd described in control
The servomotor 5 of measuring point nearby rises certain distance (image inwardly offsets or become hour) or declines certain distance (image
When expanding outwardly or becoming big), so as to the distance between the 1 corresponding corner of half tone of adjustment and printing table 2；Above-mentioned concrete numerical value can
It is adjusted according to actual conditions, such as, the corresponding distance that rises or falls is 0.3-0.5mm when offset is 0.12mm.
Step 6, rear processing procedure, the process that perform needs afterwards are made with completing pcb board 3.
The more traditional silk-screen printing technique of present invention process, can at utmost screen warpage brings printing to miss in silk-screen printing
The problem of difference increase, Real-time Feedback adjusting parameter, printing quality is greatly improved, its front and rear deflection is stably and controllable, can direct generation
For original expensive coating photoresists, exposed and developed technique, production cost is greatly reduced, greatly improves product
Competitiveness.
Although the foregoing describing the embodiment of the present invention, those familiar with the art should manage
Solution, the specific embodiment described by us are merely exemplary, rather than for the restriction to the scope of the present invention, are familiar with this
The equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (6)
- A kind of 1. single sided board line pattern typography, it is characterised in that：Comprise the following steps：Nog plate before step 1, circuit printing；Step 2, the distance using adjustable printing machine adjustment half tone and printing table, enter row line printing, and set half tone Speed change lifts the speed of version, and the speed change lift version is divided into three phases, including has accelerated knife stage, at the uniform velocity mobile phase and accelerated to receive In the knife stage, four corners of printed pattern are respectively equipped with a detecting point on the half tone；Step 3, UV photocurings；Step 4, acid etching；Step 5, the offset using each detecting on AOI equipment detection wiring board and offset direction, if detecting be present The offset of point exceedes preset value, then result is fed back into adjustable printing machine, return to step 2, readjust lift version speed or The distance of half tone and printing table is adjusted, otherwise into step 6；Step 6, rear processing procedure.
- A kind of 2. single sided board line pattern typography according to claim 1, it is characterised in that：The adjustable printing Four angles of the screen frame of machine are installed by one servomotor, the middle control of each servomotor and the adjustable printing machine respectively Equipment connects, by the control device control servomotor running adjust respectively four angles of half tone and printing table spacing From.
- A kind of 3. single sided board line pattern typography according to claim 2, it is characterised in that：The screen frame is installed on On two closed slides, the servomotor is distributed in guide rail both ends, controls screen frame vertical direction to transport by controlling lifting rail It is dynamic.
- A kind of 4. single sided board line pattern typography according to claim 2, it is characterised in that：The step 5 enters one Step includes：Step 51, the offset using each detecting point of AOI equipment detection and offset direction, if the skew of detecting point be present Amount exceedes preset value, then result is fed back into adjustable printing machine；Step 52, judge whether two detecting points are equidirectional skew at knife, and offset exceedes preset value, if so, then Adjustment has accelerated the speed in knife stage to analog value, otherwise, into step 53；Step 53, judge whether two, the place of returning sword detecting point is equidirectional skew, and offset exceedes preset value, if so, then Adjustment accelerate return sword the stage speed to analog value, otherwise, into step 54；Step 54, according to each offset exceed preset value detecting point offset direction, control it is described detecting point nearby one Individual servomotor rises certain distance or declines certain distance, so as between the corresponding corner of half tone of adjustment and printing table away from From.
- A kind of 5. single sided board line pattern typography according to claim 1, it is characterised in that：The adjustable printing A speed change is set to lift version device on machine, the speed change lift version device includes a variable speed electric motors, particularly, and the variable speed electric motors, particularly speed is by middle control Equipment control realizes that speed change lifts version.
- A kind of 6. single sided board line pattern typography according to claim 1, it is characterised in that：The speed change lift version is complete Journey is 2 seconds, including has accelerated the at the uniform velocity mobile phase in knife stage, 1.2 seconds and the acceleration of 0.4 second to return sword the stage in 0.4 second.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024016.6A CN107613659B (en) | 2017-10-26 | 2017-10-26 | A kind of single sided board line pattern printing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711024016.6A CN107613659B (en) | 2017-10-26 | 2017-10-26 | A kind of single sided board line pattern printing technology |
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| CN107613659A true CN107613659A (en) | 2018-01-19 |
| CN107613659B CN107613659B (en) | 2019-08-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906158A (en) * | 1996-10-31 | 1999-05-25 | Sakurai Graphic Systems Corporation | Screen printing apparatus and method |
| CN101229711A (en) * | 2007-01-25 | 2008-07-30 | 东莞市凯格精密机械有限公司 | Test method and mechanism of single optic axis in visual imprinter |
| CN201872403U (en) * | 2010-12-31 | 2011-06-22 | 苏州佳宏光电有限公司 | Lifting device for printer |
| CN102328493A (en) * | 2011-08-31 | 2012-01-25 | 熊猫电子集团有限公司 | Positioning method in novel silk screen printing CCD (charge coupled device) image identification |
| CN107264009A (en) * | 2017-07-20 | 2017-10-20 | 重庆炬野科技发展有限公司 | The high performance print equipment of anti-counterfeiting mark |
-
2017
- 2017-10-26 CN CN201711024016.6A patent/CN107613659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906158A (en) * | 1996-10-31 | 1999-05-25 | Sakurai Graphic Systems Corporation | Screen printing apparatus and method |
| CN101229711A (en) * | 2007-01-25 | 2008-07-30 | 东莞市凯格精密机械有限公司 | Test method and mechanism of single optic axis in visual imprinter |
| CN201872403U (en) * | 2010-12-31 | 2011-06-22 | 苏州佳宏光电有限公司 | Lifting device for printer |
| CN102328493A (en) * | 2011-08-31 | 2012-01-25 | 熊猫电子集团有限公司 | Positioning method in novel silk screen printing CCD (charge coupled device) image identification |
| CN107264009A (en) * | 2017-07-20 | 2017-10-20 | 重庆炬野科技发展有限公司 | The high performance print equipment of anti-counterfeiting mark |
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| Publication number | Publication date |
|---|---|
| CN107613659B (en) | 2019-08-09 |
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