CN103802454A - Metal scraper of solder paste printer - Google Patents
Metal scraper of solder paste printer Download PDFInfo
- Publication number
- CN103802454A CN103802454A CN201410022835.7A CN201410022835A CN103802454A CN 103802454 A CN103802454 A CN 103802454A CN 201410022835 A CN201410022835 A CN 201410022835A CN 103802454 A CN103802454 A CN 103802454A
- Authority
- CN
- China
- Prior art keywords
- scraper
- printing
- metallic spatula
- solder paste
- metal scraper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Screen Printers (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention relates to a metal scraper of a solder paste printer. The metal scraper comprises a metal sheet-shaped scarper body, wherein a plurality of grooves are further formed in the surface, making contact with solder paste, of the metal scraper body. According to the metal scraper, electrolytic etching long stripes in different depths are machined and adopted on the printing face of the metal scraper so that filling resistance can be generated on the printing faces in the printing process, and therefore solder paste printing filling pressure is generated, and filling effect and printing quality which are superior to those of an existing product are achieved; due to the fact that the structure of the printing face is the long stripe grooves, after the metal scraper is used, solder paste remaining in the grooves of the metal scraper is convenient to clean up, a cleaning cloth with cleaning agent is squeezed to the two ends of the scraper along each stripe groove to wipe the scraper, and then the solder paste remaining in the grooves can be cleared away.
Description
Technical field
What the present invention relates to is stencil printer technical field, a kind of metallic spatula of stencil printer specifically.
Background technology
Stencil printer is generally made up of mechanisms such as locing up, add tin cream, impression, defeated circuit board.Its operation principle is: the circuit board that first will print is fixed on printing positioning table, then by the forward and backward scraper of printing machine, tin cream or red glue are bitten in corresponding pad by steel mesh, to the uniform PCB that bites, input to chip mounter by band to band transfer module and carry out automatic chip mounting.
At present, in stencil printer, normal employing is metallic spatula, and it is generally made up of stainless steel or brass, has flat blade shapes, and the printing angle of use is 30 ° to 60 °.Some scrapers also scribble lubriation material.Because use lower pressure, scraper can not dig out tin cream from perforate, and also, because be metal, they are easy wearing and tearing unlike rubber flap, therefore do not need sharp.But they are than rubber flap cost more expensive, Bing may cause steel plate wearing and tearing.The press quality of stencil printer and tin cream filling effect have inseparable contacting with the structure of the printing surface of paste solder printing metallic spatula.The tin cream stuffing pressure of scraper printing surface is larger, and press quality is just better.For increasing the tin cream stuffing pressure of metallic spatula printing surface, need be in the printing surface increase of metallic spatula and the frictional force of tin cream.
The metallic spatula of existing stencil printer, employing be the special processing method of male and fomale(M&F) of trickle rule.Wherein, the patented technology scheme of galloping horse company of Japan is, type metal scraper is in the time of print solder paste, the printing surface of metallic spatula directly contacts with tin cream, along with metallic spatula printing shift action time, promote tin cream and roll, on the contact-making surface of tin cream and scraper, form and fill opposing (being rolling frictional resistance), form downward stuffing pressure, and make tin cream being filled in web plate peristome gradually, reach tin cream and be transferred to the object on substrate.Scraper print surface adopts the male and fomale(M&F) high-speed cutting processing of fine rule, on printing surface, form the diameter 0.16mm of several queueing disciplines, degree of depth 0.025mm, the pit of center square 0.26mm, to forming and enough make tin cream be well transferred to the stuffing pressure on substrate, and obtain desirable press quality on the printing surface of scraper.
But above-mentioned prior art also exists following technical problem urgently to be resolved hurrily: first, the cost of metallic spatula is high, and the phase of receiving is long, limit the application of printing enterprise to metallic spatula; Secondly, what adopt due to the printing surface of existing metallic spatula is the male and fomale(M&F) processing of point-like, and after scraper uses, the tin cream remaining in pit is removed more difficult.
Summary of the invention
The present invention, for solving the problems of the technologies described above, provides a kind of metallic spatula of stencil printer, thereby can realize reduction product cost, is easy to the rear residual tin cream of cleaning printing.
To achieve these goals, the present invention is by the following technical solutions:
A kind of metallic spatula of stencil printer is provided, has comprised Metal Flake scraper body, the surface that described metallic spatula body contacts with tin cream is also provided with some grooves.
Wherein, described groove adopts electrolytic etching processing.
Wherein, the degree of depth of described groove is 0.05mm.
Wherein, the centre-to-centre spacing of described groove is 1mm.
Wherein, the width of described groove is 0.8mm.
Wherein, four of described metallic spatula body jiaos are provided with chamfering.
The invention has the beneficial effects as follows: on the printing surface of metallic spatula, adopt the rectangular line processing of electrolytic etching of different depth, while making its printing, on printing surface, produce and fill opposing, thereby produce paste solder printing stuffing pressure, obtain the filling effect and the press quality that are better than existing product; Because printing surface structure is rectangular line groove, after using, remain in the clean more convenient of the interior tin cream of metallic spatula groove, with the cleaning cloth with cleaning agent, the two ends extruding wiping to scraper along striped groove, just can remove clean by the tin cream remaining in groove.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is specific embodiment of the invention metallic spatula assembling schematic diagram;
Fig. 2 is the frictional force analysis chart of metallic spatula 5 shown in Fig. 1;
Fig. 3 is the front view of metallic spatula 5 shown in Fig. 1;
Fig. 4 is the right view of metallic spatula 5 shown in Fig. 1.
In figure, 1, doctor blade holder, 2, fixed head, 3, scraper pressing plate, 4, screw, 5, metallic spatula, 51 grooves.
The specific embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should understand these embodiment is for the present invention being described rather than limiting the scope of the invention.The implementation condition adopting in embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
As shown in Figure 1, in a kind of metallic spatula assembling schematic diagram of specific embodiment, a kind of metallic spatula of stencil printer is provided, comprise: be arranged on the metallic spatula 5 on doctor blade holder 1, the top of doctor blade holder 1 connects press printing head, fixed head 2 is tightened on doctor blade holder 1 by screw 4, scraper pressing plate 3 and metallic spatula 5 are clamped and are fixed on doctor blade holder simultaneously, while making printing machine do printing action, printing machine head drives doctor blade holder and metallic spatula to do together the past duplicating action of front and back.
Wherein, the structure of scraper pressing plate 3 is the chamfering that there is different length on each limit, when metallic spatula is installed, selects the limit of different chamferings to be close to the below of metallic spatula, can produce three kinds of different metallic spatula overhangs.
As shown in Figure 2, the printing surface of metallic spatula is installed down, while making it to print, contacts with tin cream, in the time having selected difform metallic spatula printing surface, under same coining and print speed printing speed, can form the frictional force f between different scraper and tin cream, thereby produce different stuffing pressure f1.Frictional force between printing surface and the tin cream of metallic spatula, can directly affect the stuffing pressure of the downward extrusion packing of tin cream, so, metallic spatula newly developed adopts the method for designing of the face of increasing friction force on printing surface, be designed to some difform male and fomale(M&F)s by the printing surface of metallic spatula, obtain larger stuffing pressure by the contact friction force that increases tin cream and scraper.
As shown in Figure 3 and Figure 4, metallic spatula 5 is the rectangle sheet metals that are provided with chamfering 52, its printing surface adopts linear fringe to have the groove 51 of certain depth, this groove 51 adopts electrolytic etching processing method, Electrolyzed Processing is a kind of special process method that the principle of utilizing metal that anodic solution occurs in electrolyte works the work piece into shape, there is the remarkable advantages such as the range of work is wide, productivity ratio is high, surface quality is good, tool cathode is lossless, be particularly suitable for the processing of difficult-to-machine material and complicated shape part.
The linear fringe groove length of metallic spatula 5 of the present invention and metallic spatula are same long, preferred recess width 0.8mm, degree of depth 0.05mm, groove center square 1mm.Adopt the metallic spatula of above-mentioned data, on the printing surface of scraper, form and enough make tin cream be well transferred to the stuffing pressure on substrate, and obtain desirable press quality.
In addition, can be by adopt the different electroetching degree of depth in the scope of 0.02mm～0.05mm, even can suitably adjust recess width and groove centre-to-centre spacing, make it to produce different printing stuffing pressures, seek the electroetching parameter corresponding to press quality of most suitable, rationality.
Finally it should be noted that above embodiment is only for illustrating technical scheme of the present invention but not limiting the scope of the invention.Although the present invention is explained in detail with reference to preferred embodiment, those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement technical scheme of the present invention, and do not depart from essence and the scope of technical solution of the present invention.
Claims (6)
1. a metallic spatula for stencil printer, comprises Metal Flake scraper body, it is characterized in that: the surface that described metallic spatula body contacts with tin cream is also provided with some grooves.
2. the metallic spatula of a kind of stencil printer according to claim 1, is characterized in that: described groove adopts electrolytic etching processing.
3. the metallic spatula of a kind of stencil printer according to claim 1, is characterized in that: the degree of depth of described groove is 0.05mm.
4. the metallic spatula of a kind of stencil printer according to claim 1, is characterized in that: the centre-to-centre spacing of described groove is 1mm.
5. the metallic spatula of a kind of stencil printer according to claim 1, is characterized in that: the width of described groove is 0.8mm.
6. the metallic spatula of a kind of stencil printer according to claim 1, is characterized in that: four jiaos of described metallic spatula body are provided with chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022835.7A CN103802454A (en) | 2014-01-20 | 2014-01-20 | Metal scraper of solder paste printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022835.7A CN103802454A (en) | 2014-01-20 | 2014-01-20 | Metal scraper of solder paste printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103802454A true CN103802454A (en) | 2014-05-21 |
Family
ID=50700054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410022835.7A Pending CN103802454A (en) | 2014-01-20 | 2014-01-20 | Metal scraper of solder paste printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103802454A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856838A (en) * | 2016-03-29 | 2016-08-17 | 苏州恩欧西智能科技有限公司 | Printing machine scraper cleaning method |
| CN108556461A (en) * | 2018-03-30 | 2018-09-21 | 西安理工大学 | A kind of textured intaglio press doctor |
| CN108638658A (en) * | 2016-04-11 | 2018-10-12 | 云和县东泽阀门有限公司 | A kind of inking bucket retention mechanism |
| CN114311963A (en) * | 2021-12-24 | 2022-04-12 | 西安理工大学 | Textured wear-resistant doctor blade of gravure printing machine and preparation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5713276A (en) * | 1995-09-22 | 1998-02-03 | Motorola, Inc. | Flexible self-level squeegee blade |
| JP2002347209A (en) * | 2001-05-29 | 2002-12-04 | Nakanuma Art Screen Kk | Printing squeegee for metal mask |
| JP2003170566A (en) * | 2001-12-10 | 2003-06-17 | Matsushita Electric Ind Co Ltd | Plastic squeegee, screen printing apparatus equipped therewith and cream solder printing apparatus |
| CN2598750Y (en) * | 2002-12-27 | 2004-01-14 | 鸿富锦精密工业（深圳）有限公司 | Ink scraper |
| JP2005007706A (en) * | 2003-06-18 | 2005-01-13 | Matsushita Electric Ind Co Ltd | Squeegee made of plastic and cream solder printing apparatus equipped with squeegee |
| JP2007168283A (en) * | 2005-12-22 | 2007-07-05 | Matsushita Electric Ind Co Ltd | Screen printing apparatus and squeegee holder for screen printing |
| JP2011177977A (en) * | 2010-02-26 | 2011-09-15 | Kyocera Corp | Sliding member for printing, and printer |
| JP2011212863A (en) * | 2010-03-31 | 2011-10-27 | Kyocera Corp | Sliding member for printing, and printer |
-
2014
- 2014-01-20 CN CN201410022835.7A patent/CN103802454A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5713276A (en) * | 1995-09-22 | 1998-02-03 | Motorola, Inc. | Flexible self-level squeegee blade |
| JP2002347209A (en) * | 2001-05-29 | 2002-12-04 | Nakanuma Art Screen Kk | Printing squeegee for metal mask |
| JP2003170566A (en) * | 2001-12-10 | 2003-06-17 | Matsushita Electric Ind Co Ltd | Plastic squeegee, screen printing apparatus equipped therewith and cream solder printing apparatus |
| CN2598750Y (en) * | 2002-12-27 | 2004-01-14 | 鸿富锦精密工业（深圳）有限公司 | Ink scraper |
| JP2005007706A (en) * | 2003-06-18 | 2005-01-13 | Matsushita Electric Ind Co Ltd | Squeegee made of plastic and cream solder printing apparatus equipped with squeegee |
| JP2007168283A (en) * | 2005-12-22 | 2007-07-05 | Matsushita Electric Ind Co Ltd | Screen printing apparatus and squeegee holder for screen printing |
| JP2011177977A (en) * | 2010-02-26 | 2011-09-15 | Kyocera Corp | Sliding member for printing, and printer |
| JP2011212863A (en) * | 2010-03-31 | 2011-10-27 | Kyocera Corp | Sliding member for printing, and printer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856838A (en) * | 2016-03-29 | 2016-08-17 | 苏州恩欧西智能科技有限公司 | Printing machine scraper cleaning method |
| CN108638658A (en) * | 2016-04-11 | 2018-10-12 | 云和县东泽阀门有限公司 | A kind of inking bucket retention mechanism |
| CN108556461A (en) * | 2018-03-30 | 2018-09-21 | 西安理工大学 | A kind of textured intaglio press doctor |
| CN114311963A (en) * | 2021-12-24 | 2022-04-12 | 西安理工大学 | Textured wear-resistant doctor blade of gravure printing machine and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103802454A (en) | Metal scraper of solder paste printer | |
| CN204674173U (en) | Full automatic screen printing equipment | |
| CN202573248U (en) | Printing steel mesh | |
| CN103612474A (en) | Scraper for silk-screen printing | |
| CN202378393U (en) | Printing template with stress buffering | |
| CN105751687B (en) | Slit blade construction | |
| CN105107686A (en) | Scraper structure and glue application method | |
| CN107466489B (en) | Method for manufacturing metal substrate | |
| CN203600765U (en) | Scraper for silk-screen printing | |
| CN207099442U (en) | A kind of printed circuit board production line anti-scratch tool | |
| CN204859749U (en) | FPC golden finger | |
| CN102059850B (en) | Printing press scraper device | |
| CN203919977U (en) | Metal matrix structure | |
| CN110626057B (en) | Method for improving scraping pressure uniformity in 3D screen printing | |
| CN205291888U (en) | Tin cream scraper | |
| CN207900417U (en) | Tinware is scraped in a kind of superconducting tape soldering | |
| CN210733543U (en) | Scraper capable of accurately adjusting angle | |
| CN220517802U (en) | Double-scraper assembly for improving printability of screen with narrow opening | |
| CN202985657U (en) | Punch of plastic part puncher | |
| CN215095896U (en) | Powder scraping plate of tablet press | |
| CN220576829U (en) | Printing screen, printing assembly and solder paste printer | |
| CN219855091U (en) | Scraper and equipment for ceramic 3D printing | |
| CN201889957U (en) | Scraper device of printing machine | |
| CN205395439U (en) | Double -deck wiping formula ink reservoir | |
| CN202047161U (en) | Liquid extruding device for roughing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140521 |