WO2005102699A1 - Dispositif de mise en place et de retrait d'une racle dans un cylindre d'impression en serigraphie - Google Patents
Dispositif de mise en place et de retrait d'une racle dans un cylindre d'impression en serigraphie Download PDFInfo
- Publication number
- WO2005102699A1 WO2005102699A1 PCT/IB2005/001115 IB2005001115W WO2005102699A1 WO 2005102699 A1 WO2005102699 A1 WO 2005102699A1 IB 2005001115 W IB2005001115 W IB 2005001115W WO 2005102699 A1 WO2005102699 A1 WO 2005102699A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- slide
- doctor blade
- cylinder
- axis
- rollers
- 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.)
- Ceased
Links
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
Definitions
- the present invention relates to a device for placing and removing a doctor blade in a screen printing cylinder mounted on a printing machine comprising a support fixed to the frame of the machine in the extension of said cylinder, a slide mounted on said support and arranged to allow a slide to move only parallel to the axis of the cylinder between a first limit position located outside of said cylinder and a second limit position located inside said cylinder opposite the position doctor blade work
- one or more hollow cylinders are used, the lateral surface of which is made of a fabric of natural or synthetic fibers .
- a varnish is used to plug the mesh of the canvas which is not part of the image to be printed.
- the inside of the cylinder is supplied with a printing ink and a doctor blade in contact with the inner surface of the canvas pushes this ink through the free meshes of the canvas.
- a first person stands at one end of the cylinder and introduces the doctor blade into the cylinder body.
- a second person stands at the other end of the cylinder and grabs the free end of the doctor blade and with a combined action the two people position the doctor blade in its bearings.
- two people do the reverse job. Therefore, both for the installation and the removal of the doctor blade two people are necessary.
- the doctor blade touches the canvas during these manipulations and destroys it.
- a rail is integral with the doctor blade.
- the rail is engaged in a slide located at one end of the cylinder.
- the rail-doctor blade assembly is moved parallel to the axis of the cylinder until it reaches a second slide located at the other end of the cylinder.
- the doctor blade assembly is placed by vertical displacement on two bearings pivoting about a vertical axis or vertically movable.
- the bearings are constituted by the two slides which move vertically to put the doctor blade in the working position.
- EP-A-0 463 699 also proposes a solution for the installation and removal of particularly long doctor blades.
- a mechanism with cogwheels, belts and cranks allows the installation and removal of an assembly comprising the doctor blade, a mobile carriage and a guide.
- the attachment means (bearings) of the doctor blade are pivotally mounted around the doctor blade.
- the doctor blade rotates around its axis to position the angled inlet of the doctor blade supply duct.
- the object of the present invention is to propose a device for fitting and removing a doctor blade which is simple and can be manipulated by a single person while the bearings of the doctor blade are fixed.
- the device according to the invention is characterized in that said slide is provided with assembly and disassembly means cooperating with means conjugated on the doctor blade to allow the doctor blade to be fixed on the slide or remove the doctor blade from the slide in said first and second limit positions, and by the fact that said slide is pivotally mounted on said support about an axis parallel to the axis of said cylinder so that, in said second limit position of the slide, the doctor blade can be brought into the working position respectively withdrawn from the working position by tilting the slide and slide assembly around the axis.
- the advantage of this device is the fact that only one person can set up the doctor blade and remove it without risking damaging the canvas of the screen printing cylinder and without getting dirty.
- the device is simple and easy to set up. Sizing and precise positioning are necessary, but within the reach of those skilled in the art, so that the doctor blade is positioned facing its working position and by pivoting the slide and the slide, it is placed on its bearings or it is removed. The position of the doctor blade bearings are fixed during these operations, no additional control or adjustment is necessary to ensure the precise positioning of the bearings.
- a slide made up of four pairs of rollers is chosen, the rollers of each pair being superimposed and leaving sufficient space for the step- sage corresponding to the slide which is trapped in this slide except for its movement parallel to the axis of the cylinder.
- the slide can be provided with means such as rollers, rollers or ball bearings while the slide can also be provided or not.
- Figure 1 is a partial schematic perspective view of the device according to the invention.
- Figure 2 is a partial schematic perspective view of the device with the doctor blade before its introduction into the cylinder.
- Figure 3 is a schematic perspective view of the slide with its support.
- a support 2 is fixed in the extension of the cylinder.
- a slide 3 pivoting around a hinge 4.
- the slide comprises four pairs of rollers 5, 6, 7, 8 the rollers of each pair being superimposed and spaced to allow passage to the corresponding part of a slide 9 which will come between them. So the slide 9 will only be free to move parallel to the axis of the cylinder.
- the slide 9 consists of a T-shaped bar.
- the wings of the head of this profile engage in the spaces between the rollers of each pair 5 to 8 and the profile 9 is held and guided by these rollers.
- On the foot of the profile two plates 11, 12 are fixed with a lug 10, 13 ( Figure 2).
- These pins collaborate with two notches 14, 15 in the form of a bayonet notch, located on the back of the doctor blade 21 to ensure rapid assembly of the doctor blade 21 and of the slide 9.
- Other similar means can be used to ensure the 'rapid assembly and disassembly of these two elements.
- the distal end of the slider 9 relative to the cylinder is provided with two rods 16, 17 for gripping to manipulate the slider 9.
- rods 16, 17 are perpendicular to the axis of the slider 9 and in the specific case form an angle 180 °. They could also form an angle of less than 180 °. Depending on the weight and dimensions of the slide assembly, doctor blade and slide, a single rod may suffice.
- an adjustable or non-adjustable end stop 19 (FIG. 1) ensures the maximum authorized displacement of the slide towards the inside of the cylinder.
- a second stop (not shown, can be provided at the other end of the slide to prevent the slide 9 (FIG. 2) accidentally leaving the slide 3 in the limit position for placing or removing the doctor blade 21 on the slide. 9.
- the slide can be provided with two or more additional rollers 22.
- the support 2 with the slide 3 is fixed in the extension of the cylinder in the vicinity of one of the bearings (generally designated by the reference 20) intended to receive the doctor blade 21, but can also be fixed on the diametrically opposite point or another, the main thing being to be able to ensure adequate positioning of the doctor blade 21 with respect to the bearings 20 during the installation or removal of the doctor blade 21.
- the installation of the doctor blade 21 is done as follows.
- the slide 9 is pulled towards the outside of the frame 1, its end being engaged and held in the slide 3 (FIG. 2).
- the doctor blade 21 is mounted on the slide by engaging the pins 10, 13 in the notches 14, 15.
- the slide 9 is pushed inside the cylinder until the end stop. race 19, bringing the doctor blade 21 facing its working position.
- slide assembly 3, slide 9 and pivot 21 are pivoted around the articulation 4 until the doctor comes to be housed at its ends in the bearings provided on the frame. 1.
- the two ends of the doctor blade 21 are provided with two supports 23 having a specific shape and dimensions.
- Each bearing 20 comprises in particular a housing 20a (partially visible in FIG. 1), the shape and dimensions of which essentially correspond to the shape and dimensions of the supports 23 of the doctor blade 21.
- the two bearings 20 are fixed to the frame 1 and do not move during installation or removal of the doctor blade.
- the pins are disengaged by continuing the pivoting and pulling the slide a few centimeters outwards 9, the slide assembly 3, slide 9 is pivoted in the opposite direction and the slide 9 is pulled out.
- slide 9 is completely removed from slide 3, the doctor blade 21 being held in place. its bearings 20 by means of the supports 23.
- the reverse work is practically carried out.
- the slide 9 is pushed to the stop 19
- the slide assembly 3 is pivoted and the slide is engaged with the lugs 10, 13 in the notches 14, 15 it is pivoted in the other direction and the slide is pulled out with the scraper 21.
- the time necessary for the installation of the scraper on the slide and its installation in the bearings and the removal of the slide for a few seconds is sufficient for one person. . Also for the reverse operation "
- both the slide 3, the slide 9 and the quick assembly means can be modified without departing from the scope of the invention.
- a second support with an articulated slide identical to the elements already described are fixed to the other end of the frame of the machine.
- the end of the slider before the end of its travel engages in the second slide ensuring stable stability of the slider assembly and doctor blade for the installation or the withdrawal of the doctor blade.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
- Rotary Presses (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE602005005805T DE602005005805T2 (de) | 2004-04-22 | 2005-04-19 | Anordnungs- und entfernungsvorrichtung für eine rakel in einem siebdruckzylinder |
| EP05731151A EP1737657B1 (fr) | 2004-04-22 | 2005-04-19 | Dispositif de mise en place et de retrait d'une racle dans un cylindre d'impression en serigraphie |
| JP2007509006A JP4603038B2 (ja) | 2004-04-22 | 2005-04-19 | スクリーン印刷シリンダへドクターブレードを設置し且つ取り外す装置 |
| US11/578,225 US7677170B2 (en) | 2004-04-22 | 2005-04-19 | Placement and removal device of a doctor blade in a printing screen cylinder |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04009515A EP1588850A1 (fr) | 2004-04-22 | 2004-04-22 | Dispositif de mise en place et de retrait d'une racle dans un cylindre d'impression en serigraphie |
| EP04009515.0 | 2004-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005102699A1 true WO2005102699A1 (fr) | 2005-11-03 |
Family
ID=34924688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2005/001115 Ceased WO2005102699A1 (fr) | 2004-04-22 | 2005-04-19 | Dispositif de mise en place et de retrait d'une racle dans un cylindre d'impression en serigraphie |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7677170B2 (fr) |
| EP (2) | EP1588850A1 (fr) |
| JP (1) | JP4603038B2 (fr) |
| AT (1) | ATE391016T1 (fr) |
| DE (1) | DE602005005805T2 (fr) |
| WO (1) | WO2005102699A1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2221177A1 (fr) | 2007-02-20 | 2010-08-25 | Kba-Giori S.A. | Corps cylindrique d'orientation de paillettes magnétiques contenues dans une encre ou un vernis appliquées sur un substrat en forme de feuille ou de bande |
| EP2433798A1 (fr) | 2010-09-24 | 2012-03-28 | KBA-NotaSys SA | Système et procédé d'orientation de paillettes magnétiques contenues dans une encre ou un véhicule vernis appliquées sur un substrat en forme de feuille ou de bande |
| US8893614B2 (en) | 2007-05-10 | 2014-11-25 | Kba-Notasys Sa | Device and method for magnetically transferring indicia to a coating composition applied to a substrate |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2025515A1 (fr) * | 2007-08-16 | 2009-02-18 | Kba-Giori S.A. | Imprimante de sérigraphie |
| JP6384994B2 (ja) * | 2014-09-05 | 2018-09-05 | 株式会社小森コーポレーション | ロータリースクリーン装置 |
| IT201600112960A1 (it) * | 2016-11-09 | 2018-05-09 | Oradoc S R L | Dispositivo per la movimentazione relativa delle lame rispetto al portalama e macchina comprendente tale dispositivo |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0463699A1 (fr) | 1990-06-20 | 1992-01-02 | B.V. MACHINEFABRIEK B & S | Dispositif pour remplacer un racle |
| EP0612615A1 (fr) * | 1993-02-24 | 1994-08-31 | Stork Brabant B.V. | Dispositif de suspension d'une racle dans un pochoir cylindrique d'une machine de sérigraphie rotative |
| US5592313A (en) | 1992-11-27 | 1997-01-07 | Voxel | Methods and apparatus for making holograms |
| EP0860275A1 (fr) * | 1997-02-18 | 1998-08-26 | Stork Brabant B.V. | Racle avec un dispositif de support fixé |
| US5992313A (en) * | 1995-10-17 | 1999-11-30 | Zimmer; Johannes | Applicator device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6078748A (ja) * | 1983-10-05 | 1985-05-04 | Rainke Internatl:Kk | メタルスクリ−ンによる印刷装置 |
| NL9101165A (nl) * | 1991-07-04 | 1993-02-01 | Stork Brabant Bv | Sjabloonaandrijving voor een zeefdrukmachine. |
-
2004
- 2004-04-22 EP EP04009515A patent/EP1588850A1/fr not_active Withdrawn
-
2005
- 2005-04-19 EP EP05731151A patent/EP1737657B1/fr not_active Expired - Lifetime
- 2005-04-19 US US11/578,225 patent/US7677170B2/en not_active Expired - Fee Related
- 2005-04-19 WO PCT/IB2005/001115 patent/WO2005102699A1/fr not_active Ceased
- 2005-04-19 AT AT05731151T patent/ATE391016T1/de active
- 2005-04-19 JP JP2007509006A patent/JP4603038B2/ja not_active Expired - Fee Related
- 2005-04-19 DE DE602005005805T patent/DE602005005805T2/de not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0463699A1 (fr) | 1990-06-20 | 1992-01-02 | B.V. MACHINEFABRIEK B & S | Dispositif pour remplacer un racle |
| US5592313A (en) | 1992-11-27 | 1997-01-07 | Voxel | Methods and apparatus for making holograms |
| EP0612615A1 (fr) * | 1993-02-24 | 1994-08-31 | Stork Brabant B.V. | Dispositif de suspension d'une racle dans un pochoir cylindrique d'une machine de sérigraphie rotative |
| US5992313A (en) * | 1995-10-17 | 1999-11-30 | Zimmer; Johannes | Applicator device |
| EP0860275A1 (fr) * | 1997-02-18 | 1998-08-26 | Stork Brabant B.V. | Racle avec un dispositif de support fixé |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2221177A1 (fr) | 2007-02-20 | 2010-08-25 | Kba-Giori S.A. | Corps cylindrique d'orientation de paillettes magnétiques contenues dans une encre ou un vernis appliquées sur un substrat en forme de feuille ou de bande |
| US8499687B2 (en) | 2007-02-20 | 2013-08-06 | Kba-Notasys Sa | Cylinder body for orienting magnetic flakes contained in an ink or varnish vehicle applied on a sheet-like or web-like substrate |
| US8813644B2 (en) | 2007-02-20 | 2014-08-26 | Kba-Notasys Sa | Cylinder body for orienting magnetic flakes contained in an ink or varnish vehicle applied on a sheet-like or web-like substrate |
| US8893614B2 (en) | 2007-05-10 | 2014-11-25 | Kba-Notasys Sa | Device and method for magnetically transferring indicia to a coating composition applied to a substrate |
| EP2433798A1 (fr) | 2010-09-24 | 2012-03-28 | KBA-NotaSys SA | Système et procédé d'orientation de paillettes magnétiques contenues dans une encre ou un véhicule vernis appliquées sur un substrat en forme de feuille ou de bande |
| EP2845732A2 (fr) | 2010-09-24 | 2015-03-11 | KBA-NotaSys SA | Presse à imprimer sur feuilles et procédé pour orienter des flocons magnétiques contenus dans un véhicule d'encre ou de vernis appliqués sur un substrat de type feuille |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1737657B1 (fr) | 2008-04-02 |
| JP2007533508A (ja) | 2007-11-22 |
| ATE391016T1 (de) | 2008-04-15 |
| US20080271631A1 (en) | 2008-11-06 |
| EP1588850A1 (fr) | 2005-10-26 |
| US7677170B2 (en) | 2010-03-16 |
| JP4603038B2 (ja) | 2010-12-22 |
| EP1737657A1 (fr) | 2007-01-03 |
| DE602005005805T2 (de) | 2009-04-30 |
| DE602005005805D1 (de) | 2008-05-15 |
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