EP1353760A1 - Dispositif pour appliquer un agent d'enduction sur une piece - Google Patents

Dispositif pour appliquer un agent d'enduction sur une piece

Info

Publication number
EP1353760A1
EP1353760A1 EP02708266A EP02708266A EP1353760A1 EP 1353760 A1 EP1353760 A1 EP 1353760A1 EP 02708266 A EP02708266 A EP 02708266A EP 02708266 A EP02708266 A EP 02708266A EP 1353760 A1 EP1353760 A1 EP 1353760A1
Authority
EP
European Patent Office
Prior art keywords
coating chamber
workpiece
arm
coating
workpieces
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
Application number
EP02708266A
Other languages
German (de)
English (en)
Other versions
EP1353760B1 (fr
Inventor
Stefan Schiele
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.)
Josef Schiele OHG
Original Assignee
Josef Schiele OHG
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 Josef Schiele OHG filed Critical Josef Schiele OHG
Publication of EP1353760A1 publication Critical patent/EP1353760A1/fr
Application granted granted Critical
Publication of EP1353760B1 publication Critical patent/EP1353760B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles

Definitions

  • the invention relates to a device for applying a coating medium to at least one partial surface of an elongate workpiece that is transported in its longitudinal direction, consisting of a coating chamber to which vacuum can be applied, with at least one coating unit, one roller conveyor upstream and downstream of the coating chamber, and one as required transport device acting in the coating chamber.
  • the workpieces to be coated are fed to the coating chamber via a roller conveyor.
  • At least one driven roller is provided above the roller conveyor, which roller abuts the surface of the workpieces or can be brought to abut.
  • At the rear of the coating chamber only one roller conveyor without a drive roller arranged above the workpieces is provided, since it is to be avoided here that the upper, already coated surface of the workpieces is impaired. As soon as a workpiece has left the drive roller of the infeed roller conveyor, no conveying forces normally act on the workpiece.
  • the control engineering outlay for “butt-to-butt” operation is also relatively high.
  • a so-called piercing device for workpieces in the area of coating chambers is known, in which a pressure cam is arranged on the free end of a pressure rod connected to a slide. This pressure cam can be moved laterally into the movement path of the workpieces.
  • the carriage is in turn guided on a long cylindrical slide rod and is rotatably received by the slide to a limited extent transversely to the direction of movement.
  • the entire movement mechanism of such a piercing device is relatively complex.
  • the distance between two successive workpieces must be relatively large.
  • the working speed of the known piercing device is relatively slow.
  • the invention is therefore based on the object of providing a device for applying a coating medium to at least one partial surface of an elongated workpiece which is transported in its longitudinal direction and which ensures continuous transport of the workpieces through the coating chamber in good time before the occurrence of feed problems, and permits higher transport speeds and where the distance between two successive workpieces can be reduced to a minimum.
  • the transport device consists of at least one cam that can be brought into the movement path in front of the coating chamber and that of the workpiece movement path behind the coating chamber, that the cam on a through a slot is fixed in the coating chamber projecting arm and that the arm is connected to at least one rotating chain and a drive assigned.
  • Such a device has a relatively simple and easy to manufacture structure.
  • the device dispenses with "butt-to-butt operation" of the workpieces in the coating chamber, permits higher transport speeds of the workpieces and the distance or the gap between the individual workpieces can be reduced to a minimum
  • two or more arms can be attached to the chain with cams.
  • the contact area between the workpiece and the cam can be relatively small, so that there is no appreciable impairment of a coated end face of the workpiece.
  • a coating chamber 1 in which elongate workpieces 2, for example wooden profiled bars, are provided with a coating, for example with a glaze or stain. These workpieces 2 are fed to the coating chamber 1 via a roller conveyor 3, of which only one roller is shown.
  • An adjustable drive roller is assigned to the roller conveyor 3 above the workpiece 2, but is not shown in the drawing. The roller conveyor 3 and thus also the transport of the workpiece 2 through the roller conveyor 3 with the drive roller ends in front of the coating chamber 1.
  • guide strips 4, 5 are provided to the side of the coating chamber 1, but parallel to the roller conveyor 3 at a distance from one another.
  • the guide bar 4 receives the upper run of a revolving chain 6, which is guided in the guide bar 4 both below and above.
  • the upper run of a further, revolving chain 7 is supported on the guide bar 5.
  • Both chains 6, 7 and thus the two upper runs of the same are driven uniformly by a common drive and at a predetermined, advantageously adjustable speed.
  • Each chain 6, 7 has at least one side angle plate 8, 9, the angle plates 8, 9 being arranged in alignment with one another and receiving an arm 10 which is cranked in the exemplary embodiment shown.
  • This arm 10 projects with its free end 10a into the area of the coating chamber 1 and there carries two cams 11 arranged at a distance from one another Operator adjusted.
  • the wall 1 a of the coating chamber 1 now has a slot 1 b through which the Arm 10 can be moved. If necessary, the arm 10 can still be supported at its free end, for example in the region of the wall 1 a, via slide rails.
  • the arm 10 with the two cams 11 normally occupies a position below the roller conveyor 3 and thus below the roller. As soon as the end of a workpiece 2 approaches the entrance of the coating chamber 1, this is detected by a sensor, for example a light barrier, via which the drive of the chains 6, 7 is switched on.
  • the arm 10 now moves with the two cams 11 over the roller conveyor 3 and at such a speed that the cams 11 catch up with the workpiece 2, come to rest against its rear end face and transport the workpiece 2 through the coating chamber 1 at a constant speed ,
  • the distance between two successive workpieces 2 can be relatively small, so that there is a relatively high throughput. This configuration also allows that relatively high transport speeds of the workpieces 2 to be coated are possible.
  • the cams 11 can rest with an almost punctiform surface at the end of the workpiece 2, so that there is no significant impairment of the coating on the end face.
  • the cams 11 are adjustably attached to the end 10a of the arm 10 and can be replaced. This makes it possible to adapt the arrangement and configuration of the cams 11 to the workpieces 2 to be transported and coated.
  • the chains 6, 7 can be guided differently. Basically, it is possible to provide only one chain 6 or 7 for the arm 10. However, it must be ensured that the cams 11 are always held in a precisely predetermined position relative to the workpiece 2. Depending on the length of the workpieces 2 and their transport speed, it is possible to provide two or more arms 10, each with at least one cam 11. It is also possible to arrange the chains 6, 7 with the arm 10 and the cams 11 in such a way that the cams 11 are moved from above into the path of movement of the workpieces 2.

Landscapes

  • Spray Control Apparatus (AREA)
  • Coating Apparatus (AREA)

Abstract

L'invention concerne un dispositif pour appliquer un agent d'enduction au moins sur une partie de la surface d'une pièce allongée et transportée dans sons sens longitudinal. Ce dispositif comprend une chambre d'enduction mise sous vide et comportant au moins une unité d'enduction, un convoyeur à galets placé en amont et un convoyeur à galets placé en aval de la chambre d'enduction, ainsi qu'un dispositif de transport agissant dans la chambre d'enduction en cas de besoin.
EP02708266A 2001-01-12 2002-01-09 Dispositif pour appliquer un agent d'enduction sur une piece Expired - Lifetime EP1353760B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20100492U 2001-01-12
DE20100492U DE20100492U1 (de) 2001-01-12 2001-01-12 Vorrichtung zum Auftragen eines Beschichtungsmediums auf einem Werkstück
PCT/EP2002/000133 WO2002055221A1 (fr) 2001-01-12 2002-01-09 Dispositif pour appliquer un agent d'enduction sur une piece

Publications (2)

Publication Number Publication Date
EP1353760A1 true EP1353760A1 (fr) 2003-10-22
EP1353760B1 EP1353760B1 (fr) 2005-07-27

Family

ID=7951488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02708266A Expired - Lifetime EP1353760B1 (fr) 2001-01-12 2002-01-09 Dispositif pour appliquer un agent d'enduction sur une piece

Country Status (3)

Country Link
EP (1) EP1353760B1 (fr)
DE (2) DE20100492U1 (fr)
WO (1) WO2002055221A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006046796B4 (de) * 2006-09-29 2017-08-24 Josef Schiele Ohg Verfahren und Vorrichtung zur Beschichtung von Endseiten eines Werkstücks

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584847A (en) * 1968-05-31 1971-06-15 Western Electric Co Advancing workpieces through a sputtering chamber
DE3615750A1 (de) 1986-05-09 1987-11-12 Josef Schiele Durchstosseinrichtung
US6013135A (en) * 1998-04-30 2000-01-11 Colonial Craft, Inc. Method and apparatus for six-sided vacuum painting of parts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02055221A1 *

Also Published As

Publication number Publication date
EP1353760B1 (fr) 2005-07-27
DE50203748D1 (de) 2005-09-01
DE20100492U1 (de) 2001-05-10
WO2002055221A1 (fr) 2002-07-18

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