EP0463699A1 - Device for changing a squeegee - Google Patents

Device for changing a squeegee Download PDF

Info

Publication number
EP0463699A1
EP0463699A1 EP91201590A EP91201590A EP0463699A1 EP 0463699 A1 EP0463699 A1 EP 0463699A1 EP 91201590 A EP91201590 A EP 91201590A EP 91201590 A EP91201590 A EP 91201590A EP 0463699 A1 EP0463699 A1 EP 0463699A1
Authority
EP
European Patent Office
Prior art keywords
squeegee
guide
stand
horizontal
carriage
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.)
Withdrawn
Application number
EP91201590A
Other languages
German (de)
English (en)
French (fr)
Inventor
Bram Jan Martha Gerrit Brugman
Hendricus Gerhardus Muller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Machinefabriek B&S BV
Original Assignee
Machinefabriek B&S BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Machinefabriek B&S BV filed Critical Machinefabriek B&S BV
Publication of EP0463699A1 publication Critical patent/EP0463699A1/en
Withdrawn legal-status Critical Current

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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 invention relates to a device for removing a squeegee from a stencil of a printing machine.
  • Printing machines and in particular screen printing machines in the textile industry, are provided with tubular screen printing plates, so-called stencils, using which a design is applied for instance to textiles.
  • stencils When dye-colour and/or design is changed the stencils also have to be changed.
  • the squeegee is first removed from the stencil.
  • the squeegee provides the supply of dye to the stencil.
  • the resilient sheet fixed to the squeegee then presses the dye through the hole pattern of the stencil onto the textile.
  • the squeegee has to be removed prior to changing of the stencil. Up until now this has generally been done manually. However, the weight and length of the squeegee represent a heavy load for back and arms. The sharpness of the resilient sheet makes handling of the squeegee dangerous. Furthermore, damage to the stencil can hereby occur.
  • the invention has for its object to provide a device for removing a squeegee from a stencil wherein the above stated drawbacks are avoided. This is achieved with the invention by a horizontal guide placed on a stand and a carriage which is displaceable along the guide and on which are fixed means for gripping the end part of a squeegee.
  • the position of the squeegee relative to the stencil is adjustable within a 50 mm circle. From the operating position the stand will therefore be adjustable both vertically and horizontally in sideways direction.
  • the squeegee is received in the gripping means and subsequently pulled out of the stencil by means of the carriage displaceable along the guide.
  • a squeegee can also be placed in a stencil.
  • a number of guides and associated gripping means are arranged on the stand.
  • Each guide is pivotable between the horizontal position and a position varying from the horizontal position.
  • the guides are rotatable in a horizontal plane around the stand. A dirty squeegee can hereby be removed and a clean squeegee directly inserted without great loss of time.
  • gripping means are pivotable about their horizontal axis relative to the carriage.
  • the connection point of the squeegee for a dye conduit can thereby be turned upward for transport of the squeegee. This prevents unnecessary leakage of dye.
  • a number of devices according to the invention corresponding to the number of stencils is preferably disposed in the vicinity of a printing machine, wherein each device is placed relative to the printing machine such that in the horizontal position the guide lies in the line of the squeegee.
  • FIG. 1 shows the disposition of a number of preferred embodiments of devices according to the invention.
  • a printing machine 1 comprises a number of stencils 2 having squeegees 3 therein.
  • Device 4 has a guide 5 along which a carriage 6 with gripping means 7 is displaceable.
  • the gripping means 7 enclose a connection point for a dye conduit 8 of the squeegee.
  • Fig. 2 shows a device according to the invention which consists of two guides 9 and 10 fixed to a stand 11.
  • Guide 9 is situated in its horizontal position and is pivotable about a point 13 in the direction of arrow 12. Both guides are rotatable about the stand 11 in the direction of arrows 14 via the point of rotation 15.
  • Fig. 3 shows in detail the displaceable carriage 16 with the gripping means 17.
  • the connecting point 18 of the squeegee 20 already turned in the direction of arrow 19 is shown in dashed lines.
  • the gripping means 17 are pivotable about their horizontal axis by means of a toothed wheel mechanism 29.
  • the squeegee 19 rests in a seat 21.
  • the connecting point 18 is clamped between two rod-like elements 22 and held fixedly by a resilient hook 23.
  • the carriage 16 is displaceable in the direction of the arrow 26 by means of profiled rollers 24 and a belt 30 over a tilted guide 25 with a square profile.
  • the carriage 16 is situated in the figure on the end of the guide 25 facing the printing machine.
  • the fixed clamping means 27 are attached in a manner not shown to a rod 32 which is connected to the other end of the guide. Situated in the carriage 16 for folding up the fixed clamping means 27 is a rod-like element 31.
  • Fig. 4 shows the end of a guide remote from the printing machine.
  • the belt 30 is driven by means of handle 33 in order to displace the carriage along the guide 25.
  • Handle 34 is used for pivoting the gripping means about the horizontal axis.
  • Counterweight 35 holds the guide in equilibrium.
  • the rod 32 which is attached to the fixed clamping means is connected to a lever arm 36.
  • This lever arm 36 is provided with a recess 37 for receiving the rod-like element 31 (see fig. 3).
  • a movement of the carriage in the direction of the counterweight 35 causes a movement of the lever arm 36 in the direction of arrow 38 and a movement of the rod 32 in the direction of arrow 39.
  • the fixed clamping means are hereby folded upward for receiving the extremity of a squeegee (see fig. 5).
  • Fig. 5 shows the extremity of a squeegee 40 which is held fixedly by fixed clamping means 27. These latter are folded up by means of a lever member 41 which is connected to the rod 32 via a pivot point 42.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
EP91201590A 1990-06-20 1991-06-20 Device for changing a squeegee Withdrawn EP0463699A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9001411A NL9001411A (nl) 1990-06-20 1990-06-20 Inrichting voor het verwisselen van een rakel.
NL9001411 1990-06-20

Publications (1)

Publication Number Publication Date
EP0463699A1 true EP0463699A1 (en) 1992-01-02

Family

ID=19857286

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91201590A Withdrawn EP0463699A1 (en) 1990-06-20 1991-06-20 Device for changing a squeegee

Country Status (2)

Country Link
EP (1) EP0463699A1 (nl)
NL (1) NL9001411A (nl)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0612615A1 (en) * 1993-02-24 1994-08-31 Stork Brabant B.V. Device for suspending a squeegee in a cylindrical screen of a rotary screen printing machine
WO1997014560A1 (de) * 1995-10-17 1997-04-24 Johannes Zimmer Auftragungsvorrichtung
EP1588850A1 (fr) * 2004-04-22 2005-10-26 Kba-Giori S.A. Dispositif de mise en place et de retrait d'une racle dans un cylindre d'impression en serigraphie

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8000024A (nl) * 1979-01-11 1980-07-15 Mitter Mathias Zeefdrukmachine met roterende schabloon.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8000024A (nl) * 1979-01-11 1980-07-15 Mitter Mathias Zeefdrukmachine met roterende schabloon.

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0612615A1 (en) * 1993-02-24 1994-08-31 Stork Brabant B.V. Device for suspending a squeegee in a cylindrical screen of a rotary screen printing machine
NL9300338A (nl) * 1993-02-24 1994-09-16 Stork Brabant Bv Inrichting voor het ophangen van een rakel in een cilindrische zeef van een rotatie-zeefdrukmachine.
US5435241A (en) * 1993-02-24 1995-07-25 Stork Brabant, B.V. Device for suspending a squeegee in a cylindrical screen of a rotary screen printing machine
WO1997014560A1 (de) * 1995-10-17 1997-04-24 Johannes Zimmer Auftragungsvorrichtung
US5992313A (en) * 1995-10-17 1999-11-30 Zimmer; Johannes Applicator device
EP1588850A1 (fr) * 2004-04-22 2005-10-26 Kba-Giori S.A. Dispositif de mise en place et de retrait d'une racle dans un cylindre d'impression en serigraphie
WO2005102699A1 (fr) 2004-04-22 2005-11-03 Kba-Giori S.A. Dispositif de mise en place et de retrait d'une racle dans un cylindre d'impression en serigraphie
JP2007533508A (ja) * 2004-04-22 2007-11-22 カーベーアー−ジオリ ソシエテ アノニム 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
US7677170B2 (en) 2004-04-22 2010-03-16 Kba-Giori S.A. Placement and removal device of a doctor blade in a printing screen cylinder

Also Published As

Publication number Publication date
NL9001411A (nl) 1992-01-16

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE

17P Request for examination filed

Effective date: 19911129

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Effective date: 19940301

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18D Application deemed to be withdrawn

Effective date: 19941026