CN101200131B - Method and mechanism for cleaning steel mesh of vision printer without interrupting printing - Google Patents
Method and mechanism for cleaning steel mesh of vision printer without interrupting printing Download PDFInfo
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- CN101200131B CN101200131B CN2006101576536A CN200610157653A CN101200131B CN 101200131 B CN101200131 B CN 101200131B CN 2006101576536 A CN2006101576536 A CN 2006101576536A CN 200610157653 A CN200610157653 A CN 200610157653A CN 101200131 B CN101200131 B CN 101200131B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 174
- 239000010959 steel Substances 0.000 title claims abstract description 174
- 238000004140 cleaning Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000011664 signaling Effects 0.000 claims description 8
- 208000036829 Device dislocation Diseases 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
A method and a mechanism for the cleaning of a steel mesh in a visual printing press without the disruption of printing. The mechanism comprises a steel mesh and a first cleaning device. Above the steel mesh, a printing system is provided. And below the steel network, an optical centering system, a PCB circuit conveying clamping system and the first cleaning device are provided. The steel mesh has the first printing zone. In particular the mechanism also comprises a second cleaning device also arranged below the steel network, a steel mesh drive connected to the steel mesh which can be driven to move. The steel mesh drive is connected to the controlling system of a computer. The steel mesh is provided with the second printing zone in which the content is the same as that of the first printing zone. The printing for the target PCB circuit in the invention is processed, at the same time the cleaning for the free printing zone can be implemented as well and the printing is not required to halt. Therefore the productivity is increased substantially.
Description
Technical field
The present invention relates to the cleaning of steel mesh in the aligning of image distribution figure of vision printer or cent(e)ring and the vision printer, relate in particular to the manufacturing technique method that many steel mesh cleaning machines structure and relevant device are set in vision printer.
Background technology
Vision printer of the prior art is when carrying out on the PCB circuit board printed solder paste, because the contact-making surface of steel mesh and PCB circuit board always has some small gaps, these small gaps repeatedly can accumulate a little solder(ing) paste after the printing, when these residues are increased to certain quantity, will influence printing quality, just must clean steel mesh this moment.
Prior art must be interrupted the printing operation to the PCB circuit board when steel mesh is cleaned, owing to clean the operation that is absolutely necessary, so frequent cleaning has reduced operating efficiency, this is present all vision printers open question all when carrying out on the PCB circuit board printed solder paste.
U.S. Pat RE.34 for example, 615, the technical scheme of disclosed " Video probe aligningof object to be acted upon " by name, what this scheme was mainly narrated is a kind of Optical devices that are used for vision printer.
This technical scheme does not relate to any steel mesh is cleaned and carries out technological improvement.
For another example, U.S. Pat 5,060,063, the technical scheme of disclosed " VIEWING ANDILLUMINATING VIDEO PROBE WITH VIEWING MRANS FORSIMULTANEOUSLY VIEWING OBJECT AND DEVICE IMAGESALONG VIEWING AXIS AND TRANSLATING THEM ALONGOPTICAL AXIS " by name, what this scheme was mainly narrated is a kind of Optical devices that are used for vision printer.
As can be seen, the technical scheme of this patent does not relate to the steel mesh cleaning technique, does not more relate in order to enhance productivity, and starts with from improving the steel mesh matting, and the steel mesh cleaning device is improved, and describes to reach the purpose of not interrupting printing.
Summary of the invention
The objective of the invention is to propose a kind of vision printer and do not interrupt printing method and the mechanism of cleaning steel mesh in order to overcome the deficiencies in the prior art part, the present invention is increased to two with cleaning device, can continue in case of necessity increases, corresponding, Printing Zone in the steel mesh is also increased to two, and steel mesh can be moved, and the computer master control system improved, increase is to the mobile control of steel mesh, increase is to the control of cleaning device and to the control of scraper, like this, and when target P CB circuit board is printed, just can carry out cleaning, productivity ratio is improved idle Printing Zone.
The present invention realizes by adopting following technical scheme:
Implement a kind of vision printer and do not interrupt printing the method for cleaning steel mesh, described method comprises the steps:
A., the cleaning device that comprises first cleaning device and second cleaning device at least two covers at first is set in vision printer;
B. on steel mesh, process first Printing Zone and second Printing Zone of identical content again;
C. when first Printing Zone of steel mesh aligning PCB circuit board position was printed a plurality of PCB circuit boards, second cleaning device was aimed at second Printing Zone of steel mesh;
D. the computer master control system is controlled second cleaning device second Printing Zone is cleaned;
E. when first Printing Zone need be cleaned, the computer master control system drove the steel mesh shift position, made second Printing Zone of steel mesh aim at the PCB circuit board position, and a plurality of PCB circuit boards are printed, and this moment, first cleaning device was aimed at first Printing Zone on the steel mesh;
F. the computer master control system is controlled first cleaning device first Printing Zone is cleaned;
G. when second Printing Zone needed to clean again, the computer master control system drove the steel mesh shift position, made first Printing Zone of steel mesh aim at the PCB circuit board position, and a plurality of PCB circuit boards are printed, and this moment, second cleaning device was aimed at second Printing Zone on the steel mesh;
H. repeating step d.
In the said method, the axis setting that move along steel mesh first Printing Zone and second Printing Zone on the preferred forms steel mesh.
In other embodiment, first Printing Zone can be provided with along twice different motion track of scraper with second Printing Zone on the steel mesh.
In the said method, described second cleaning device of step c and step e is aimed at second Printing Zone of steel mesh and first Printing Zone that first cleaning device is aimed at steel mesh, comprising: after steel mesh moves second cleaning device or first cleaning device are positioned under second Printing Zone or first Printing Zone just; And second cleaning device or first cleaning device moved under second Printing Zone or first Printing Zone by the control of computer master control system.
In the said method, in preferred forms, described second cleaning device, first cleaning device are divided into the both sides of PCB circuit board position.
In the said method, described computer master control system drives the steel mesh shift position, is to move by steel mesh driver drives steel mesh, thereby receives the position that the steel mesh position signalling is determined steel mesh.
A further object of the present invention:
Do not interrupt printing the mechanism of cleaning steel mesh according to the described a kind of vision printer of said method, comprise steel mesh, first cleaning device, there is print system the top of described steel mesh, the below of steel mesh has optics alignment system, PCB circuit board to carry clamping system and described first cleaning device, especially, described mechanism also comprises:
One second cleaning device also is arranged on the below of steel mesh;
One steel mesh driver connects and drives steel mesh and moves, and described steel mesh driver connects the computer master control system;
Set up second Printing Zone on steel mesh, described second Printing Zone is identical with the first Printing Zone content;
Described first cleaning device is corresponding with first Printing Zone, described second cleaning device is corresponding with second Printing Zone, in first Printing Zone or second Printing Zone one when aiming at the PCB circuit board position, another in first Printing Zone or second Printing Zone then aimed at first cleaning device corresponding with it or second cleaning device.
Aforesaid mechanism, in preferred forms, described second cleaning device and first cleaning device lay respectively at the both sides of PCB circuit board position.
Aforesaid mechanism, in preferred forms, the axis setting that move along steel mesh described second Printing Zone and first Printing Zone.In other embodiment, first Printing Zone can be provided with along twice different motion track of scraper with second Printing Zone on the steel mesh.
Aforesaid mechanism, described cleaning device is aimed at the Printing Zone and is comprised: after steel mesh moves second cleaning device or first cleaning device are positioned under second Printing Zone or first Printing Zone just; And second cleaning device or first cleaning device moved under second Printing Zone or first Printing Zone by the control of computer master control system.
Compared with prior art, the present invention is provided with two covers or the cleaning device more than two covers in vision printer, simultaneously the Printing Zone in the steel mesh is also increased to two or more, and steel mesh can be moved, and the computer master control system improved, increase is to the mobile control of steel mesh, increase is to the control of cleaning device, like this, when target P CB circuit board is printed, just can carry out cleaning, needn't interrupt printing, productivity ratio is improved greatly target P CB circuit board to idle Printing Zone.
Description of drawings
Fig. 1 is that vision printer of the present invention does not interrupt printing method and mechanism's second Printing Zone aligning PCB circuit board position of cleaning steel mesh, the schematic diagram when first cleaning device is aimed at first Printing Zone;
Fig. 2 is that vision printer of the present invention does not interrupt printing method and mechanism's first Printing Zone aligning PCB circuit board position of cleaning steel mesh, the schematic diagram when second cleaning device is aimed at second Printing Zone;
Fig. 3 is the control block diagram that vision printer of the present invention does not interrupt printing the computer master control system of the method for cleaning steel mesh and mechanism;
Fig. 4 is the schematic diagram that vision printer of the present invention does not interrupt printing an embodiment of the method for cleaning steel mesh and mechanism.
The specific embodiment
Below in conjunction with accompanying drawing and preferred forms the present invention is done further detailed description:
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, to implement a kind of vision printer and do not interrupt printing the method for cleaning steel mesh, described method comprises the steps:
A., the cleaning device that comprises first cleaning device 21 and second cleaning device, 22 at least two covers at first is set in vision printer;
B. on steel mesh 10, process first Printing Zone 11 and second Printing Zone 12 of identical content again;
When c. in 11 aligning PCB circuit boards, 30 positions, first Printing Zone of steel mesh 10 a plurality of PCB circuit boards 30 being printed, second cleaning device 22 is aimed at second Printing Zone 12 of steel meshes;
D. 22 pairs second Printing Zones 12 of computer master control system 200 control second cleaning devices are cleaned;
E. when first Printing Zone 11 needs to clean, computer master control system 200 drives steel mesh 10 shift positions, make second Printing Zone 12 of steel mesh 10 aim at the PCB circuit board position, a plurality of PCB circuit boards are printed first Printing Zone 11 that this moment first, cleaning device 21 was aimed on the steel mesh 10;
F. 21 pairs first Printing Zones 11 of computer master control system 200 control first cleaning devices are cleaned;
G. when second Printing Zone 12 need be cleaned again, computer master control system 200 drives steel mesh 10 shift positions, make first Printing Zone 11 of steel mesh 10 aim at PCB circuit board 30 positions, a plurality of PCB circuit boards 30 are printed second Printing Zone 12 that this moment second, cleaning device 22 was aimed on the steel mesh;
H. repeating step d.
In the said method, best embodiment is: first Printing Zone 11 and second Printing Zone 12 are provided with along the axis 13 that steel mesh 10 moves on the steel mesh 10.
In the preferred forms shown in Figure 4, not only first Printing Zone 11 and second Printing Zone 12 are provided with along the axis 13 that steel mesh 10 moves on the steel mesh 10.And second cleaning device 22 and first cleaning device 21 also be provided with along the axis 13 that steel mesh 10 moves.
In other embodiment, first Printing Zone 11 can be provided with (not shown) along scraper 401 twice different motion track with second printing, 12 districts on the steel mesh 10.Second cleaning device 22 of this moment and first cleaning device 21 also are arranged on apart from second printing 12 districts and the most close position, first Printing Zone 11.
In the said method, as depicted in figs. 1 and 2, described second cleaning device 22 of step c and step e is aimed at second Printing Zone 12 of steel mesh 10 and first Printing Zone 11 that first cleaning device 21 is aimed at steel mesh 10, comprising: after steel mesh 10 moves second cleaning device 22 or first cleaning device 21 are positioned under second Printing Zone 12 or first Printing Zone 11 just; And second cleaning device 22 or first cleaning device 21 moved under second Printing Zone 12 or first Printing Zone 11 by 200 controls of computer master control system.
Described aligning is expressed as the center that the second Printing Zone center line 120 is aimed at PCB circuit board 30 on Fig. 1 and Fig. 2, and the center of the first Printing Zone center line, 110 first cleaning devices 21.
Or the center of the first Printing Zone center line, 110 aligning PCB circuit boards 30, and the second Printing Zone center line 120 is aimed at the center of second cleaning device 22.
In the said method, as Fig. 1, Fig. 2 and shown in Figure 4, in preferred forms, described second cleaning device 22, first cleaning device 21 are divided into the both sides of PCB circuit board 30 positions, also first cleaning device 21 and second cleaning device 22 mode by other can be provided with, but the cost of other method to set up can be higher than preferred forms.
In the said method, as shown in Figure 3, described computer master control system 200 drives steel mesh 10 shift positions, be to drive steel mesh 10 by steel mesh driver 101 to move, and the signal of reception steel mesh position signalling sensor 105 is determined the position of steel mesh 10.
In the said method, described steel mesh position signalling sensor 105 can be arranged in preferred forms on the steel mesh moving track of steel mesh 10, described steel mesh moving track has many kinds to select and can adopt, for example guide rail, chute etc. because it is ripe prior art, are not done detailed description at this.
In the said method, steel mesh driver 101 also is ripe prior art, it comprises driving power source, transmitting device, transmitting device connects steel mesh 10 and drives power source, drive the accurate control that power source is subjected to computer master control system 200, make steel mesh 10 can arrive position accurately, and provide the signal that puts in place by steel mesh position signalling sensor 105.
Said method manufactures and designs the mechanism of not interrupting printing the cleaning steel mesh as Fig. 1～a kind of vision printer shown in Figure 4 according to the present invention, described mechanism comprises steel mesh 10, first cleaning device 21, there is print system 400 top of described steel mesh 10, print system 400 has scraper 401, the below of steel mesh 10 has optics alignment system 300, PCB circuit board to carry the clamping system 500 and first cleaning device 21, and first Printing Zone 11 is arranged on the steel mesh 10; Especially, described mechanism also comprises:
One second cleaning device 22 also is arranged on the below of steel mesh 10;
One steel mesh driver 101 connects and drives steel mesh 10 and moves, and described steel mesh driver 101 connects computer master control system 200;
Set up second Printing Zone 12 on steel mesh 10, described second Printing Zone 12 is identical with first Printing Zone, 11 contents.
In the said mechanism, in preferred forms, described second cleaning device 22, first cleaning device 21 are divided into the both sides of PCB circuit board 30 positions, also first cleaning device 21 and second cleaning device 22 mode by other can be provided with, but the cost of other method to set up can be higher than preferred forms.
As shown in Figure 1 and Figure 2, second Printing Zone 12 of described steel mesh 10 and the first Printing Zone 11 direction setting of moving along steel mesh 10.
In other embodiment, first Printing Zone 11 can be provided with (not shown) along scraper 401 twice different motion track with second printing, 12 districts on the steel mesh 10.Second cleaning device 22 of this moment and first cleaning device 21 also are arranged on apart from second printing 12 districts and the most close position, first Printing Zone 11.
In the preferred forms shown in Figure 4, not only first Printing Zone 11 and second Printing Zone 12 are provided with along the axis 13 that steel mesh 10 moves on the steel mesh 10.And second cleaning device 22 and first cleaning device 21 also be provided with along the axis 13 that steel mesh 10 moves.
In the said mechanism, aim at PCB circuit board 30 positions for one in first Printing Zone 11 or second Printing Zone 12, in first cleaning device 21 or second cleaning device 22 aims at another Printing Zone so.
Described aligning is expressed as the center that the second Printing Zone center line 120 is aimed at PCB circuit board 30 on Fig. 1 and Fig. 2, and the center of the first Printing Zone center line, 110 first cleaning devices 21.
Or the center of the first Printing Zone center line, 110 aligning PCB circuit boards 30, and the second Printing Zone center line 120 is aimed at the center of second cleaning device 22.
Described cleaning device is aimed at the Printing Zone and is comprised two kinds of embodiments, first kind of embodiment:
After steel mesh 10 moves second cleaning device 22 or first cleaning device 21 are positioned under second Printing Zone 12 or first Printing Zone 11 just, that is to say that the distance between second Printing Zone 12 and first Printing Zone 11 was clipped to distance between second cleaning device 22, first cleaning device 21 in 30 minutes near the PCB circuit board.
Second kind of embodiment:
Distance between second Printing Zone 12 and first Printing Zone 11 is different from the PCB circuit board and was clipped to distance between second cleaning device 22, first cleaning device 21 in 30 minutes.Second cleaning device 22 or first cleaning device 21 are moved under second Printing Zone 12 or first Printing Zone 11 by 200 controls of computer master control system.
In the said mechanism, as shown in Figure 3, described computer master control system 200 drives steel mesh 10 shift positions, be to drive steel mesh 10 by steel mesh driver 101 to move, and the signal of reception steel mesh position signalling sensor 105 is determined the position of steel mesh 10.
In the said mechanism, described steel mesh position signalling sensor 105 can be arranged in preferred forms on the steel mesh moving track of steel mesh 10, described steel mesh moving track has many kinds to select and can adopt, for example guide rail, chute etc. because it is ripe prior art, are not done detailed description at this.
In the said mechanism, steel mesh driver 101 also is ripe prior art, it comprises driving power source, transmitting device, transmitting device connects steel mesh 10 and drives power source, drive the accurate control that power source is subjected to computer master control system 200, make steel mesh 10 can arrive position accurately, and provide the signal that puts in place, stop driving the running of power source by computer master control system 200 by steel mesh driver 101 by steel mesh position signalling sensor 105.
Described driving power source comprises electro-motor, pneumatic and hydraulic test.Preferred equipment is electro-motor.Certainly employing is pneumatic also can realize purpose of the present invention with hydraulic test.
It all is mature technology in the vision printer of prior art that Fig. 3, print system 400 shown in Figure 4, optics alignment system 300, PCB circuit board are carried clamping system 500, but in the present invention, scraper 401 in the print system 400 is scraped first Printing Zone 11 at every turn or only, or only scrapes second Printing Zone 12.
Facts have proved, the present invention is provided with two covers or the cleaning device more than two covers in vision printer, simultaneously the Printing Zone in the steel mesh is also increased to two or more, and steel mesh can be moved, and the computer master control system improved, increase is to the mobile control of steel mesh, increase is to the control of cleaning device, improvement is to the control of scraper, like this, when target P CB circuit board is printed, just can carry out cleaning to idle Printing Zone, needn't interrupt printing, thereby productivity ratio is improved greatly.
Claims (9)
1. a vision printer does not interrupt printing the method for cleaning steel mesh, it is characterized in that described method comprises the steps:
A., the cleaning device that comprises first cleaning device and second cleaning device at least two covers at first is set in vision printer;
B. on steel mesh, process first Printing Zone and second Printing Zone of identical content again;
C. when first Printing Zone of steel mesh aligning PCB circuit board position was printed a plurality of PCB circuit boards, second cleaning device was aimed at second Printing Zone of steel mesh;
D. the computer master control system is controlled second cleaning device second Printing Zone is cleaned;
E. when first Printing Zone need be cleaned, the computer master control system drove the steel mesh shift position, made second Printing Zone of steel mesh aim at the PCB circuit board position, and a plurality of PCB circuit boards are printed, and this moment, first cleaning device was aimed at first Printing Zone on the steel mesh;
F. the computer master control system is controlled first cleaning device first Printing Zone is cleaned;
G. when second Printing Zone needed to clean again, the computer master control system drove the steel mesh shift position, made first Printing Zone of steel mesh aim at the PCB circuit board position, and a plurality of PCB circuit boards are printed, and this moment, second cleaning device was aimed at second Printing Zone on the steel mesh;
H. repeating step d.
2. vision printer according to claim 1 does not interrupt printing the method for cleaning steel mesh, it is characterized in that: the axis setting that move along steel mesh first Printing Zone and second Printing Zone on the steel mesh; Perhaps, first Printing Zone is provided with along twice different motion track of scraper with second Printing Zone on the steel mesh.
3. vision printer according to claim 1 does not interrupt printing the method for cleaning steel mesh, it is characterized in that: described second cleaning device of step c and step e is aimed at second Printing Zone of steel mesh and first Printing Zone that first cleaning device is aimed at steel mesh, comprising: make second cleaning device or first cleaning device be positioned at the below of second Printing Zone or first Printing Zone just after steel mesh moves; And steel mesh move after second cleaning device or first cleaning device moved under second Printing Zone or first Printing Zone by the control of computer master control system.
4. vision printer according to claim 1 does not interrupt printing the method for cleaning steel mesh, and it is characterized in that: described second cleaning device, first cleaning device are divided into the both sides of PCB circuit board position.
5. vision printer according to claim 1 does not interrupt printing the method for cleaning steel mesh, it is characterized in that: described computer master control system drives the steel mesh shift position, be to move, receive the steel mesh position signalling and determine the steel mesh position by steel mesh driver drives steel mesh.
6. a vision printer does not interrupt printing the mechanism of cleaning steel mesh, comprise steel mesh, first cleaning device, there is print system the top of described steel mesh, the below of steel mesh has optics alignment system, PCB circuit board to carry clamping system and described first cleaning device, first Printing Zone is arranged on the steel mesh, it is characterized in that described mechanism also comprises:
One second cleaning device also is arranged on the below of steel mesh;
One steel mesh driver connects and drives steel mesh and moves, and described steel mesh driver connects the computer master control system;
Comprise second Printing Zone on steel mesh, described second Printing Zone is identical with the first Printing Zone content;
Described first cleaning device is corresponding with first Printing Zone, described second cleaning device is corresponding with second Printing Zone, in first Printing Zone or second Printing Zone one when aiming at the PCB circuit board position, another in first Printing Zone or second Printing Zone then aimed at first cleaning device corresponding with it or second cleaning device.
7. vision printer according to claim 6 does not interrupt printing the mechanism of cleaning steel mesh, and it is characterized in that: described second cleaning device and first cleaning device lay respectively at the both sides of PCB circuit board position.
8. vision printer according to claim 6 does not interrupt printing the mechanism of cleaning steel mesh, it is characterized in that: the axis setting that move along steel mesh first Printing Zone and second Printing Zone on the steel mesh; Perhaps, first Printing Zone is provided with along twice different motion track of scraper with second Printing Zone on the steel mesh.
9. vision printer according to claim 6 does not interrupt printing the mechanism of cleaning steel mesh, it is characterized in that: described cleaning device is aimed at the Printing Zone and comprised: second Printing Zone or first Printing Zone were positioned on second cleaning device or first cleaning device just after steel mesh moved; And second cleaning device or first cleaning device moved under second Printing Zone or first Printing Zone by the control of computer master control system.
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| CN2006101576536A CN101200131B (en) | 2006-12-15 | 2006-12-15 | Method and mechanism for cleaning steel mesh of vision printer without interrupting printing |
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| CN2006101576536A CN101200131B (en) | 2006-12-15 | 2006-12-15 | Method and mechanism for cleaning steel mesh of vision printer without interrupting printing |
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| CN101200131A CN101200131A (en) | 2008-06-18 |
| CN101200131B true CN101200131B (en) | 2011-05-11 |
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| CN103203990B (en) * | 2013-03-18 | 2015-12-02 | 华为机器有限公司 | A kind of printing machine and detin equipment thereof |
| CN107363370B (en) * | 2017-09-08 | 2019-06-25 | 浙江博来电子科技有限公司 | A kind of electronic circuit scrubbing brush tin cream equipment |
| CN109948952A (en) * | 2019-04-02 | 2019-06-28 | 重庆大学 | A kind of SMT paste solder printing process steel mesh cleaning Intelligent Decision-making Method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1846995A (en) * | 2005-04-11 | 2006-10-18 | 雅马哈发动机株式会社 | Printing apparatus and printing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1846995A (en) * | 2005-04-11 | 2006-10-18 | 雅马哈发动机株式会社 | Printing apparatus and printing method |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2002-254608A 2002.09.11 |
| JP特开2002-347222A 2002.12.04 |
| JP特开平7-314653A 1995.12.05 |
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