EP0438552A1 - Einrichtung und verfahren für auftragunsprozesse. - Google Patents
Einrichtung und verfahren für auftragunsprozesse.Info
- Publication number
- EP0438552A1 EP0438552A1 EP90910481A EP90910481A EP0438552A1 EP 0438552 A1 EP0438552 A1 EP 0438552A1 EP 90910481 A EP90910481 A EP 90910481A EP 90910481 A EP90910481 A EP 90910481A EP 0438552 A1 EP0438552 A1 EP 0438552A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- doctor
- application
- support beam
- substance
- application element
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 238000011031 large-scale manufacturing process Methods 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract 10
- 238000000576 coating method Methods 0.000 claims abstract 10
- 238000000059 patterning Methods 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 238000013519 translation Methods 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims 7
- 238000012769 bulk production Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 9
- 238000004043 dyeing Methods 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 16
- 238000013461 design Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009988 textile finishing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
- B41F15/42—Inking units comprising squeegees or doctors
- B41F15/426—Inking units comprising squeegees or doctors the squeegees or doctors being magnetically attracted
Definitions
- REPLACEMENT LEAF In the production of short sample pieces or small and small-scale production, it is customary or necessary to feed the printing inks to the application point by hand, that is, to specify the doctoring device. Automatic feed systems are common in large-scale production. The situation is similar with the squeegees for sample and small production purposes. For faster handling and to achieve short changeover times, simple manual application devices are preferred; in large production machines, squeegee devices that are more difficult to handle or to install are used to be mechanically fixed and precisely adjusted. The above-described differences in the ink supply and doctor technology almost always result in serious quality differences in the patterning or finishing result.
- Some printing and finishing companies even dispense with the technically and scientifically correct possibility of small-scale printing by using their high-quality large-scale production systems for sample purposes and thereby avoiding the above-mentioned implementation problem (at the cost of profitability).
- the working method with the device according to the invention offers the following options for transferability or reproducibility:
- Transferability with simultaneous, multiple work process changes, e.g. from setting a) manually, b) by turning the axis and c) manual substance delivery to aa) setting automated, bb) angle adjustment by changing the distance and cc) substance delivery automated.
- the printing ink or substance required in each case can be prepared exactly as required, so that no losses occur.
- the 1 resulting saving is on average about 5 1 / stencil and color position.
- the manually operated feed device also makes it possible to clean the stencil and, if appropriate, also the squeegee device in the installed state.
- the color trough required last is pulled out, then a fresh trough with cleaning water is inserted, briefly rinsed and cleaned with a rotating stencil, and then a trough filled with fresh paint is used for the next color setting.
- a sliding partition can also be used as a cleaning slide for the trough to save color and water.
- the invention is characterized by treading a fundamentally new path: hitherto it has been customary in doctor blades that the axis position of the doctor element is determined by the doctor device construction; According to the invention, the axial position of the doctor element is determined exclusively by magnetic force or magnetic devices, i.e. the squeegee device is designed to match the magnetic technology and does not determine the position of the squeegee bar or squeegee holding bar or the squeegee element, but only the angular position of the squeegee bar in relation to the application plane. Since only small quantities of material are used in the setting of the setting values, there are no major losses and, on the other hand, cleaning can be carried out quickly without major interruptions when the template is changed.
- the settings can also be carried out with only one template device, although when processing a long web of material, the templates then work in succession, as is known per se.
- the setting values found during the patterning with only one circular template device can easily be transferred to the individual template stations.
- the devices known hitherto not only is the position of the doctor roller, seen in the direction of movement, determined by a mechanical device, but also the axial position of the doctor element is predetermined by the doctor device.
- the magnetic force is used as a doctor contact pressure, occasionally also as a subordinate assistant for determining the position, but always in conjunction with mechanical means for determining the position.
- the path is taken for the first time, the magnetic force in addition to the function of the doctor pressure, a second Assign main work function: the magnetic force or the device generating the magnetic force is assigned the work function of fixing the position alone, without using mechanical aids.
- the axial position of a magnetically pressed roller doctor blade or scraper bar is determined exclusively by magnetic force.
- the device according to the invention is characterized in that another, preferably non-magnetizable or only partially magnetizable part is also associated with this exclusively magnetically held doctor element, which, when the doctor element is a roller, about its axis or otherwise it can be pivoted about its contact edge and together with it.
- three work functions are assigned to the magnetic force or the magnetic-technical part of the device according to the invention:
- the connecting parts constructed according to the invention which connect the magnetically held working parts to parts mechanically fastened or resting on the machine, only have the control function during the operating state for determining the angular position of the profile bar which can be pivoted around the doctor element or together with it.
- these connecting parts which control the angular position by sliding contact are also assigned a holding function which does not act in the operating state but only outside the operating state.
- This auxiliary function of holding which cannot or cannot be set in the operating state, has the effect that the entire application device - in which the substance supply is preferably also integrated - can be handled in one piece. This simplifies the installation and removal of the device, enables the squeegee element to be brought into the approximately suitable position for the desired operating state caused by magnetic force, and enables also to be able to lift the squeegee device in the event of a brief interruption in operation and magnetic field switch-off (in the position contactless to the application level or template).
- FIGS. 11 and 12 show further details.
- Fig.l shows a magnetically pressed squeegee 1 with a support bar 2, seen in the direction of movement 3, arranged behind the roller 1, either the roller rocket! 1 or the dye or paste bead or both.
- FIG. 2 shows the so-called ink jam bar 4 or ink jam and sealing bar, which, viewed in the direction of movement 3, in the area in front of the roll rack! 1 and the paint 22 or paste located in front of the roll is arranged and which, depending on the dimension and location (distance to the application level from the stencil 5 or web 6), also influences the application process.
- FIG. 3 Another known magnetic doctor device according to FIG. 3 shows a double roller arrangement in a cage 23.
- This known prior art according to FIG. 1-3 is associated with two disadvantages:
- the doctor element 8 has a guide 9 in which a sliding pin 10 is slidably arranged.
- This sliding pin 10 is held by a connecting element 11 which is connected to a support bar 12.
- This support bar 12 has a trapezoidal cross-section and carries round axle journals 13 at its ends. These axle journals 13 rest on rounded brackets 24.
- the connecting element 11 and thus the displacement pin 10 are raised and lowered and moved along a circular path 25. This tilts the doctor element 8 around the support edge 26.
- a second position of the doctor element 8 is shown in dashed lines.
- doctor element 8 can also be pivoted by horizontal displacement in Direction of arrow 27 take place.
- a trough 14 is provided for supplying the substance to be applied, which can be suspended in a rail 28, that is to say can be inserted.
- the trough can be tilted about the axis 15 or guided along the trough 16 shown in broken lines.
- the substance 22 to be applied can be brought in front of the doctor element 8.
- the doctor element 8 is pivoted, as already mentioned, and as a result a working surface 29 can come into action, which exerts pressure on the substance 22 to be applied.
- 5 shows a similar embodiment of the invention as shown in FIG.
- the doctor element 8 here consists of a non-magnetizable material, but an aggravable bar 20 is introduced in a slot 21, so that the doctor edge 18 can be pressed against the template 5 or web 6 by the magnetic table 7.
- the substance supply is formed here.
- the pivot axis is designed here as a tube 30 and inserted into a professional body 31.
- a main channel 32 open against the pipe 30, the ends of which open into a further channel 33, from which the substance to be applied then emerges via bores 34.
- a baffle or deflection bar 35 can also be present.
- a guide 9 is again provided in a strip 36, in which the displacement pin 10 is arranged movably on the connecting element.
- the actual doctor element is a roller 37 which is pressed against the web by the magnet 7.
- the surface 29 in turn serves to apply pressure to the medium to be applied.
- a large angle 38 between the so-called stowage surface 29 of the strip 36 and the application surface 6 or the template 5 minimal application takes place.
- FIG. Another working position is shown in FIG. Here, however, there is a small angle 39 between the storage surface 29 of the bar 36 and the application surface 6 or the template, as a result of which the maximum application performance is brought about.
- doctor element is formed by a doctor blade 40 and in the bar 36 there is another bar 20 made of agnetisable material.
- the squeegee element is formed by a pressure-elastic body 41 and the magnetizable mass 42 is formed by a round rod which bears against the pressure-elastic body 41.
- the embodiment of the invention according to FIG. 10 is similar to that of FIGS. 4 and 5.
- the holder 24 By rotating the tubular axis 30 with the professional body 31, which is clamped thereon in two parts and is held together by screws 43, for example, or by actuating a standing nut 44 on a threaded rod 45, the holder 24 can be adjusted in height.
- a groove 46 is provided for the color exit, whereby the color exit can be directed partially or continuously horizontally or also obliquely downwards.
- the height can also be adjusted by an electric motor by means of the threaded rod 45.
- FIG. 11 shows a rectangular bracket 24 with such a professional body 31.
- Such an embodiment can be used if the possibility of pivoting is dispensed with.
- FIG. 12 again shows the lower part of FIG. 10 in different angular positions (once fully extended, once with dashed lines), which is given by the different height position of the sliding pin 10 on the connecting element 11.
- the device according to the invention can be used in practice in the two embodiment variants a) ink supply by hand or b) ink supply by means of a pump, pipeline, diffuser and optionally automatic control, as follows.
- the design variant (a) is particularly economically applicable in sample and small production machines, the design variant (b) is preferred for large production machines.
- variant (a) can also be used in large-scale productions, advantageously in connection with stencils that print only very small sample details and, as a result, have a very low consumption of printing ink or application substance. For example, in a large production machine with, for example, ten circular template application stations, five can be equipped with the variant (a) and the other five with the variant (b).
- doctor blades of the above-described embodiment variants (a) and (b) have the exact same application characteristics and can also be set in the same way, so that not only each embodiment variant (a) and (b ) can be adjusted with reproducible application results, but that it is also possible to transfer application values which were achieved in the patterning with devices of the embodiment variant (a) to the devices of the embodiment variant (b) and with to be able to reproduce this in terms of production.
- doctoring devices together with the angle adjusting devices, are installed in such a way that setting values worked out manually or electromechanically can also be entered into the computer of an automated production system equipped with doctoring devices according to the invention. This advantage is also of great technical and economic importance.
- design variants of this type are functional and that surprisingly some advantageous usage effects can be achieved with these design variants; thus, for example, better adhesion of the printing ink or the substance to be applied to the doctor roller and, as a result, entrainment of a larger amount of substance into the application-effective contact area;
- the structuring of the roll surface also increases the ability to take along the traces of application substance remaining on the roll after application and take them through the gap or contact area existing between the roll surface and the slide bearing-like guide.
- the invention is not limited to the examples shown, in particular it is possible not to adjust the doctor element by means of a sliding joint connection, but rather to e.g. subject separately to a translation or a rotation or to change the location at all.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Screen Printers (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coloring (AREA)
- Treatment Of Fiber Materials (AREA)
- Liquid Crystal Substances (AREA)
- General Factory Administration (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1943/89 | 1989-08-16 | ||
| AT1943/89A AT392745B (de) | 1989-08-16 | 1989-08-16 | Einrichtung und verfahren fuer bemusternde und/oder vollflaechige auftragungsprozesse auf kurze und beliebig lange warenbahnen |
| PCT/AT1990/000077 WO1991002650A1 (de) | 1989-08-16 | 1990-07-31 | Einrichtung und verfahren für auftragunsprozesse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0438552A1 true EP0438552A1 (de) | 1991-07-31 |
| EP0438552B1 EP0438552B1 (de) | 1995-10-18 |
Family
ID=3524389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90910481A Expired - Lifetime EP0438552B1 (de) | 1989-08-16 | 1990-07-31 | Einrichtung und verfahren für auftragunsprozesse |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5239922A (de) |
| EP (1) | EP0438552B1 (de) |
| JP (1) | JP2607311B2 (de) |
| AT (2) | AT392745B (de) |
| BR (1) | BR9006883A (de) |
| DE (1) | DE59009798D1 (de) |
| ES (1) | ES2080828T3 (de) |
| WO (1) | WO1991002650A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119186921A (zh) * | 2024-11-26 | 2024-12-27 | 汕头市庆达机电设备有限公司 | 一种具备多种涂布方式的涂布头 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9112033U1 (de) * | 1991-09-23 | 1993-01-28 | Zimmer, Johannes, Klagenfurt, Kärnten | Rakeleinrichtung |
| DE9112032U1 (de) * | 1991-09-23 | 1993-01-28 | Zimmer, Johannes, Klagenfurt, Kärnten | Rakelgerät |
| FR2700731B1 (fr) * | 1993-01-22 | 1995-04-07 | Dubuit Mach | Tête de raclage, notamment pour machine à imprimer à l'écran de soie. |
| US5510510A (en) * | 1994-05-10 | 1996-04-23 | Bristol-Meyers Squibb Company | Inhibitors of farnesyl protein transferase |
| DE29517098U1 (de) * | 1995-10-17 | 1997-02-13 | Zimmer, Johannes, Klagenfurt | Auftragungsvorrichtung |
| DE29517099U1 (de) * | 1995-10-17 | 1997-02-27 | Zimmer, Johannes, Klagenfurt | Auftragungsvorrichtung |
| US6231719B1 (en) | 1996-12-31 | 2001-05-15 | Kimberly-Clark Worldwide, Inc. | Uncreped throughdried tissue with controlled coverage additive |
| US6217707B1 (en) | 1996-12-31 | 2001-04-17 | Kimberly-Clark Worldwide, Inc. | Controlled coverage additive application |
| JP3798193B2 (ja) * | 1999-08-02 | 2006-07-19 | 理想科学工業株式会社 | 孔版印刷装置 |
| DE10358221A1 (de) * | 2003-12-12 | 2005-07-07 | Voith Paper Patent Gmbh | Rakelvorrichtung |
| DE102015208919A1 (de) * | 2015-05-13 | 2016-11-17 | Koenig & Bauer Ag | Rakeleinrichtung, Druckwerk sowie Verfahren zum Betreiben einer Rakeleinrichtung |
| CN107366115B (zh) * | 2017-06-22 | 2023-10-31 | 杭州三拓科技有限公司 | 一种染料化料装置 |
| CN112918084A (zh) * | 2021-01-22 | 2021-06-08 | 温州旺信贸易有限公司 | 一种方便调节刮墨角度和回墨量的丝网印刷刮墨装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3974766A (en) * | 1973-09-10 | 1976-08-17 | Peter Zimmer | Process for imprinting spaced-apart web sections with a composite pattern |
| AT376399B (de) * | 1981-12-07 | 1984-11-12 | Zimmer Johannes | Rakelvorrichtung |
| EP0126723A3 (de) * | 1983-05-18 | 1986-10-29 | Svecia Silkscreen Maskiner AB | Verfahren und Vorrichtung zum Positionieren eines zweiten Abdruckes von einem auf einer Schablone befindlichen Muster auf einem zu bedruckenden Werkstück |
| AU1722188A (en) * | 1987-10-10 | 1989-05-02 | Johannes Zimmer | Spreading appliance |
| EP0311728B1 (de) * | 1987-10-10 | 1993-03-10 | Johannes Zimmer | Rakeleinrichtung |
-
1989
- 1989-08-16 AT AT1943/89A patent/AT392745B/de not_active IP Right Cessation
-
1990
- 1990-07-31 DE DE59009798T patent/DE59009798D1/de not_active Expired - Fee Related
- 1990-07-31 WO PCT/AT1990/000077 patent/WO1991002650A1/de not_active Ceased
- 1990-07-31 AT AT90910481T patent/ATE129187T1/de not_active IP Right Cessation
- 1990-07-31 BR BR909006883A patent/BR9006883A/pt not_active IP Right Cessation
- 1990-07-31 JP JP2510625A patent/JP2607311B2/ja not_active Expired - Lifetime
- 1990-07-31 ES ES90910481T patent/ES2080828T3/es not_active Expired - Lifetime
- 1990-07-31 US US07/659,285 patent/US5239922A/en not_active Expired - Fee Related
- 1990-07-31 EP EP90910481A patent/EP0438552B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9102650A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119186921A (zh) * | 2024-11-26 | 2024-12-27 | 汕头市庆达机电设备有限公司 | 一种具备多种涂布方式的涂布头 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATA194389A (de) | 1990-11-15 |
| JP2607311B2 (ja) | 1997-05-07 |
| DE59009798D1 (de) | 1995-11-23 |
| ES2080828T3 (es) | 1996-02-16 |
| EP0438552B1 (de) | 1995-10-18 |
| AT392745B (de) | 1991-05-27 |
| JPH04506940A (ja) | 1992-12-03 |
| BR9006883A (pt) | 1991-11-05 |
| WO1991002650A1 (de) | 1991-03-07 |
| US5239922A (en) | 1993-08-31 |
| ATE129187T1 (de) | 1995-11-15 |
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