CN102555429A - Self-adaptive profiling scraper mechanism for vision printer - Google Patents
Self-adaptive profiling scraper mechanism for vision printer Download PDFInfo
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- CN102555429A CN102555429A CN2011104584535A CN201110458453A CN102555429A CN 102555429 A CN102555429 A CN 102555429A CN 2011104584535 A CN2011104584535 A CN 2011104584535A CN 201110458453 A CN201110458453 A CN 201110458453A CN 102555429 A CN102555429 A CN 102555429A
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- scraper
- floating seat
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- profiling
- scraper mechanism
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Abstract
The invention relates to the technical field of production equipment for PCBs (printed circuit boards), and particularly relates to a self-adaptive profiling scraper mechanism for a vision printer for producing PCBs. The self-adaptive profiling scraper mechanism comprises a scraper which is movably assembled on a hanging frame through a mounting part on the scraper; the hanging frame is hinged on a floating seat in a deflection form; and the floating seat floats according to the fluctuation of the scraper generated when printing on a steel mesh. With the adoption of the self-adaptive profiling scraper mechanism, the deflection of the hanging frame can be utilized by the scraper to realize adjustment on the end part, the flexibility characteristics of the floating seat can be utilized for realizing the self-adaptive profiling work of the scraper on the steel mesh, namely, under the condition that the contact pressure between the scraper and the steel mesh is guaranteed, the scraper also can carry out self-adaptive profiling variation according to concave-convex fluctuation of the board surface, so that the hard friction is reduced, the damage to the PCBs is reduced, the printing quality and product quality are guaranteed, and the service life of the scraper is also prolonged.
Description
Technical field
The present invention relates to pcb board production equipment technical field, especially relate to and be used for the vision printer that pcb board is produced.
Background technology
SMT technology (surface installation technique or surface mounting technology) is because of it has the packing density height, the electronic product volume is little, in light weight; The volume and weight of surface mount elements has only advantages such as about 1/10 of traditional inserting element, is applied to more and more widely in electronic printing circuit board (PCB) industry.After the general employing SMT, electronic product volume-diminished 40% ~ 60%, weight saving 60% ~ 80%.When SMT paste solder printing pcb board, wherein one technology is to push printing to tin cream with scraper, thereby is transferred to tin cream on the pcb board from steel mesh.During work, scraper contact steel mesh upper surface drives straight line by actuating unit and moves, and realizes scraping from the Printing Zone of steel mesh, to tin cream extruding printing.Yet in the prior art, scraper is to stretch the contact steel mesh under rigid; Be that scraper vertically descends the expanding degree after confirming, to scrape sliding printing process be dead admittedly whole, lacks from fitting adjustment; And have rough fluctuating point through regular meeting on the plate face of pcb board; Not only increase the friction of scraper and steel mesh thus, also caused the scraper application of force to destroy the parts on the pcb board, influenced product quality.
The applicant utilizes its professional eye and professional knowledge because the disappearance and the inconvenience of above-mentioned convention vision printer are being adhered to the spirit that research is innovated, kept on improving, and works out a kind of right certainly profiling scraper mechanism of vision printer of accords with industrial utilization.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, provide a kind of simple in structure, be prone to management and control, the realization scraper reduces the right certainly profiling scraper mechanism that rigid friction and reduction destroy the vision printer of pcb board from fitting profiling work.
For achieving the above object, the present invention adopts following technical scheme:
Vision printer fit the profiling scraper mechanism certainly, include scraper, scraper is loaded on the hanger bracket through the installation portion active groups on it, but hanger bracket be articulated on the floating seat by nutation type, floating seat takes place to rise and fall when scraping on steel mesh according to scraper and floats.
In the such scheme, further improvement is: said floating seat connects the controller of an adjustable unsteady power size; Controller is an air pressure device; The telescopic shaft that has atmospheric pressure cavity and can in atmospheric pressure cavity, move; The outer end of telescopic shaft connects floating seat, and controller is fixedly mounted on the suspension frame of printing machine and by Control System of Printing Machine regulation and control air pressure size, with the unsteady power size of this corresponding regulation and control floating seat.
In the such scheme, further improvement is: floating seat is provided with the guide part that extends along its unsteady direction, and pilot hole or groove on the suspension frame of the corresponding printing machine of guide part slide.
With prior art contrast, scraper mechanism provided by the invention, can realize that not only scraper utilizes the hanger bracket beat to realize the end adjustment; Also utilize the flexibility characteristics of floating seat to realize fitting profiling work certainly when scraper scrapes on steel mesh, promptly when guaranteeing scraper and steel mesh contact pressure, scraper can also change from right profiling according to the concavo-convex fluctuating of plate face; Reduce rigid friction thus; And reduce and destroy pcb board, guarantee printing quality and product quality, also effectively prolong the service life of scraper.
An advantage more of the present invention is simple in structure, and is scientific and reasonable, makes easily, and cost of investment is low, and is easy and simple to handle, promoted the operation ratio and the operability of equipment greatly, and accords with industrial utilization is enhanced productivity.
Description of drawings:
Accompanying drawing 1 is an one of which example structure sketch map of the present invention;
Accompanying drawing 2 is that sketch map is implemented in the fluctuating adjustment of the embodiment of Fig. 1;
Accompanying drawing 3 is followed the action sketch map that the plate face rises and falls for scraper of the present invention.
The specific embodiment:
Below in conjunction with accompanying drawing the present invention is further specified:
Consult shown in Figure 1ly, be one of which example structure sketch map of the present invention; Certainly the right profiling scraper mechanism of the relevant a kind of vision printer of the present invention; Include scraper 1; Scraper 1 is loaded on the hanger bracket 2 through 11 active groups of the installation portion on it, but hanger bracket 2 be articulated on the floating seat 3 by nutation type, floating seat 3 takes place to rise and fall when scraping on steel mesh according to scraper and floats.Fig. 2, shown in 3, floating seat 3 can dynamic floating, thus; When guaranteeing scraper 1 and steel mesh contact pressure; Scraper 1 can also come the real-time profiling of fitting certainly to change according to the concavo-convex fluctuating of institute's scraper plate face, thereby makes scraper 1 reduce rigid friction, and reduces scraper 1 and destroy pcb board; Guarantee printing quality and product quality, also effectively prolong the service life of scraper.
Shown in Figure 1, in the present embodiment, floating seat 3 connects the controller 4 of an adjustable unsteady power size.Controller 4 is an air pressure device; The telescopic shaft 41 that has atmospheric pressure cavity and can in atmospheric pressure cavity, move; The outer end of telescopic shaft 41 connects floating seat 3; Controller 4 is fixedly mounted on the suspension frame 5 of printing machine and by Control System of Printing Machine regulation and control air pressure size, with the unsteady power size of this corresponding regulation and control floating seat 3.During work; Can in Control System of Printing Machine, come the air pressure in the setting controller 4 by input parameter, can set floating seat 3 unsteady power sizes, work to satisfy under the different occasions; Can guarantee the contact pressure of scraper 1 and steel mesh thus, can guarantee that again scraper 1 is from the requirement of fitting profiling.This structural design has promoted the adaptability of equipment greatly, and is applied widely.Control System of Printing Machine adopts PLC or single-chip microcomputer, and this technology is given unnecessary details at this for the mature technology of existing vision printer no longer one by one; Simple in structure, be prone to management and control.
Fig. 1, shown in 2, in the present embodiment, also be provided with the guide part 31 that extends along its unsteady direction on the floating seat 3, pilot hole on the suspension frame 5 of guide part 31 corresponding printing machines or groove slide.Among the figure, the column of guide part 31 for raising up passes the pilot hole on the suspension frame 5, and this structure can lead and balance, makes floating seat 3 stable action.Certainly, guide part 31 also can be guide rail structure, can make floating seat 3 stable action, smoothness equally.
Certainly, more than diagram is merely preferred embodiment of the present invention, is not to limit practical range of the present invention with this, so every principle according to the present invention is done the equivalence variation or modified, and all should be covered by in protection scope of the present invention.
Claims (4)
1. vision printer fits the profiling scraper mechanism certainly; Include scraper; Scraper is loaded on the hanger bracket through the installation portion active groups on it, it is characterized in that: but hanger bracket be articulated on the floating seat by nutation type, floating seat takes place when on steel mesh, scraping to rise and fall to float according to scraper.
Vision printer according to claim 1 fit the profiling scraper mechanism certainly, it is characterized in that: floating seat connects the controller of an adjustable unsteady power size.
3. vision printer according to claim 2 fits the profiling scraper mechanism certainly; It is characterized in that: said controller is an air pressure device; The telescopic shaft that has atmospheric pressure cavity and can in atmospheric pressure cavity, move; The outer end of telescopic shaft connects floating seat, and controller is fixedly mounted on the suspension frame of printing machine and by Control System of Printing Machine regulation and control air pressure size, with the unsteady power size of this corresponding regulation and control floating seat.
Vision printer according to claim 3 fit the profiling scraper mechanism certainly, it is characterized in that: floating seat is provided with the guide part that extends along its unsteady direction, pilot hole or groove on the suspension frame of the corresponding printing machine of guide part slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104584535A CN102555429A (en) | 2011-12-31 | 2011-12-31 | Self-adaptive profiling scraper mechanism for vision printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104584535A CN102555429A (en) | 2011-12-31 | 2011-12-31 | Self-adaptive profiling scraper mechanism for vision printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102555429A true CN102555429A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011104584535A Pending CN102555429A (en) | 2011-12-31 | 2011-12-31 | Self-adaptive profiling scraper mechanism for vision printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481649A (en) * | 2013-08-16 | 2014-01-01 | 上海磐云实业有限公司 | Heat transfer printing device and method |
Citations (7)
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| JPH07125176A (en) * | 1993-10-29 | 1995-05-16 | Sony Corp | Squeegee of cream solder printing machine |
| CN1927586A (en) * | 2005-09-08 | 2007-03-14 | 东莞市凯格精密机械有限公司 | Suspension type scraper system |
| CN201183356Y (en) * | 2008-03-28 | 2009-01-21 | 东莞市科隆威自动化设备有限公司 | Suspending type scraper mechanism |
| CN101934625A (en) * | 2009-06-29 | 2011-01-05 | 财团法人金属工业研究发展中心 | Pressure feedback scraper module |
| CN101979249A (en) * | 2010-09-08 | 2011-02-23 | 东莞市凯格精密机械有限公司 | Contact sensing scarper mechanism and full automatic vision printer |
| CN201824635U (en) * | 2010-09-08 | 2011-05-11 | 东莞市凯格精密机械有限公司 | Pressure closed-loop control scraper mechanism and full automatic visual printing machine |
| CN202428781U (en) * | 2011-12-31 | 2012-09-12 | 东莞市凯格精密机械有限公司 | Self-adaptive profile-modeling scraping knife mechanism of visual printing machine |
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2011
- 2011-12-31 CN CN2011104584535A patent/CN102555429A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07125176A (en) * | 1993-10-29 | 1995-05-16 | Sony Corp | Squeegee of cream solder printing machine |
| CN1927586A (en) * | 2005-09-08 | 2007-03-14 | 东莞市凯格精密机械有限公司 | Suspension type scraper system |
| CN201183356Y (en) * | 2008-03-28 | 2009-01-21 | 东莞市科隆威自动化设备有限公司 | Suspending type scraper mechanism |
| CN101934625A (en) * | 2009-06-29 | 2011-01-05 | 财团法人金属工业研究发展中心 | Pressure feedback scraper module |
| CN101979249A (en) * | 2010-09-08 | 2011-02-23 | 东莞市凯格精密机械有限公司 | Contact sensing scarper mechanism and full automatic vision printer |
| CN201824635U (en) * | 2010-09-08 | 2011-05-11 | 东莞市凯格精密机械有限公司 | Pressure closed-loop control scraper mechanism and full automatic visual printing machine |
| CN202428781U (en) * | 2011-12-31 | 2012-09-12 | 东莞市凯格精密机械有限公司 | Self-adaptive profile-modeling scraping knife mechanism of visual printing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481649A (en) * | 2013-08-16 | 2014-01-01 | 上海磐云实业有限公司 | Heat transfer printing device and method |
| CN103481649B (en) * | 2013-08-16 | 2016-05-11 | 上海磐云实业有限公司 | A kind of thermal transfer device and method |
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Application publication date: 20120711 |