EP2522437A1 - Dispositif et procédé de revêtement dans la zone des bords de parois fines de pièces à usiner - Google Patents

Dispositif et procédé de revêtement dans la zone des bords de parois fines de pièces à usiner Download PDF

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Publication number
EP2522437A1
EP2522437A1 EP11003954A EP11003954A EP2522437A1 EP 2522437 A1 EP2522437 A1 EP 2522437A1 EP 11003954 A EP11003954 A EP 11003954A EP 11003954 A EP11003954 A EP 11003954A EP 2522437 A1 EP2522437 A1 EP 2522437A1
Authority
EP
European Patent Office
Prior art keywords
coating
workpiece
light barrier
time intervals
spraying
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Withdrawn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
EP11003954A
Other languages
German (de)
English (en)
Inventor
Daniel Ludewig
Wolfgang Fricke
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.)
3H-LACKE GmbH
3H Lacke GmbH
LCM GmbH
Original Assignee
3H-LACKE GmbH
3H Lacke GmbH
LCM GmbH
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 3H-LACKE GmbH, 3H Lacke GmbH, LCM GmbH filed Critical 3H-LACKE GmbH
Priority to EP11003954A priority Critical patent/EP2522437A1/fr
Priority to CA2774789A priority patent/CA2774789A1/fr
Priority to CN2012101263895A priority patent/CN102773196A/zh
Priority to RU2012119457/05A priority patent/RU2012119457A/ru
Priority to US13/469,784 priority patent/US20120288629A1/en
Publication of EP2522437A1 publication Critical patent/EP2522437A1/fr
Withdrawn legal-status Critical Current

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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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
    • 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/006—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to the edges of essentially flat articles

Definitions

  • the invention relates to a device and a method for coating in the edge region of the narrow sides of workpieces according to claim 1.
  • the invention further relates to a method for coating the edge region of the narrow sides of workpieces with woodworking agents, in particular with coating compositions according to claim 10.
  • edge areas are usually omitted in the automated coating or painting, as the state of the art only coating machines are available, with which only flat surfaces coated and in particular can be painted and no edges or corners.
  • the edges and corners recessed by machining must be manually coated or painted, this operation normally being performed subsequent to machine coating of the surfaces.
  • the object of the invention is therefore to make available an apparatus and a method for coating in the edge region of the narrow sides of workpieces, which enables a mechanical and regular coating of the edge regions of workpieces and in particular of wood panels.
  • This object is achieved by a device for coating in the edge region of the narrow sides of workpieces according to claim 1 and by a method for coating the edge region of the narrow sides of workpieces with woodworking agents and in particular with coating compositions according to claim 10.
  • a device for applying coating agents in the edge region of the narrow sides of workpieces which comprise a conveyor, a coating roller and at least two coating dies, wherein the coating roller and / or the coating dies are delivered to the workpiece with the assistance of pneumatic cylinders, wherein the coating roller and the punches each have a spraying device, and wherein the spraying operations of the coating roller and the coating punches are each pneumatically controllable.
  • the device provided according to claim 1 for applying coating materials in the edge region allows for the first time a machine coating of edges and corners of a workpiece, such as a coating of a lower edge with the adjacent transverse edges.
  • the automatically operated coating device also supports a regular application of a coating agent and in particular of paints. Furthermore, personnel costs can be saved when using the device according to the invention, since instead of the manual application only settings of the coating parameters on the control panel or in a control software are required.
  • the coating device additionally comprises a light barrier, wherein preferably a double photocell is provided.
  • the light barrier makes it possible to detect the workpieces brought to the coating device.
  • the individual components of the coating device can be used event-controlled after breaking or opening the light barrier used.
  • a further advantageous embodiment provides that spray devices and the pneumatic cylinders can be triggered at adjustable time intervals from the interruption of the light barrier or after a renewed exposure of the light barrier.
  • a signal is triggered by the light barrier.
  • the workpiece reaches the various coating elements of the coating device at different times. Therefore, by adjusting the individual time delays, a coating adapted to the feed of the workpiece can take place through the coating die or the coating roller, which are differently spaced from the light barrier.
  • the spraying takes place at adjustable time intervals after interruption or exposure of the light barrier and for each adjustable time intervals persist after interruption or freeing of the light barrier.
  • the breaking of the light barrier is evaluated, but also the freeing of the light barrier can be used as a trigger event, for example, to signal the end of a workpiece.
  • the operation of the coating roller after a defined time interval after breaking through the light barrier, while it is stopped again after a further adjustable interval after the light barrier.
  • the device according to the invention can automatically respond to different lengths of the individual workpieces, without requiring manual Interventions such as changing time parameters would be required.
  • the pneumatic cylinders can be deflected at respectively adjustable time intervals after interruption or release of the light barrier and wherein the duration of the deflection of individual pneumatic cylinders can be regulated by adjustable time intervals after interruption or release of the light barrier.
  • the coating dies or the coating roll can be delivered at the appropriate moment to the workpieces brought up by the conveyor.
  • spraying devices and / or the pneumatic cylinders are triggered or stopped or retracted by timed opening or closing of respectively associated valves.
  • Valves are simple and cost-effective means for triggering or retracting the pneumatic cylinders in the respectively adjustable time intervals or time intervals.
  • the compressed air to be regulated by valves can be released sufficiently timely to the pneumatic cylinder.
  • a conveyor belt is provided as conveying device.
  • a conveyor belt is a simple and efficient conveying method for flat workpieces, wherein the workpieces can be placed on the conveyor belt with a side which is not to be coated in the intended operation. The edge areas of the narrow sides to be coated remain free.
  • the device has a plurality of coating stations, wherein the workpiece after leaving a coating station and before feeding to a subsequent coating station is rotated by preferably 90 °, wherein in the case of cuboid workpieces up to four different coating positions are provided.
  • a complete coating of all edges may be useful if wood panels are installed as a workpiece in open and therefore completely visible furniture. Even with closed high quality furniture, a coating of all edge areas may be useful so that the coated wood panels can be installed regardless of a particular orientation, which is useful especially for self-assembly and moves.
  • control software and / or a control console is provided for setting the time intervals or time intervals.
  • the time parameters can be set centrally, without the operating personnel having to adjust when changing the settings on the individual valves.
  • Claim 10 provides a method for coating the edge region of the narrow sides of workpieces with woodworking means and in particular with coating means, comprising the following steps: (A) transporting a workpiece to be coated by a conveyor during all further steps, (C) further transport of the workpiece and thereby pressing a coating roller to the longitudinal edge or lower edge of the workpiece while simultaneously spraying the coating roller with coating agent through a spraying device and thereby coating the edge in the transporting direction, wherein step C is maintained until reaching step H, (D) spraying one in the conveying direction the conveying device distal coating punch with coating means from a spray device, (E) further transport of the workpiece and coating a front transverse edge in the conveying direction by the fact that this is brought to the workpiece (F) spraying a coating die proximal in the conveying direction of the conveyor with coating agent from a spraying device, (G) further transporting the workpiece and coating a trailing transverse edge in the conveying direction by the proximal coating die brought to the workpiece,
  • the method of claim 10 enables automated coating, such as painting in the edge region of the narrow sides of workpieces, such as wood panels.
  • a regular coating such as an order of paints is supported by the coating process of the invention.
  • labor costs are saved when using the coating method, since instead of a manual application, only one adjustment of the parameters for the coating process must be made.
  • An additional light barrier detects the workpieces brought to the coating device.
  • the individual steps C to H of the coating process can then be carried out event-controlled.
  • the measures provided for in addition to the pure transport of the workpiece events of steps C to H are triggered at adjustable intervals from the interruption of the light barrier or after a renewed exposure of the light barrier.
  • the steps C to H can be adapted both to the feed rate of the conveyor and to the length of the approached workpieces in the conveying direction.
  • steps D and E take place at adjustable intervals after interruption of the light barrier and continue for each adjustable time intervals after interruption of the light barrier.
  • the time intervals not only the respective coating time, but also the duration of coating the individual coating steps can be regulated.
  • steps F and G take place at adjustable time intervals after the photocell has been released again and continue for respectively adjustable time intervals after the photocell has been released again.
  • workpieces of different lengths can be processed without requiring a new setting of the parameters.
  • workpieces with different lengths can alternate on the conveyor.
  • step C is triggered at an adjustable interval after interrupting the light barrier and after a further adjustable time interval after re-exposure of the light barrier is terminated by step H.
  • step C therefore lasts until, on the basis of the reaching of the end of the workpiece, step H can take place without leaving areas of the longitudinal edge recessed.
  • steps C to H are triggered or terminated pneumatically and / or hydraulically by time-controlled opening or closing of respectively associated valves.
  • a conveyor belt is provided as conveying device.
  • a conveyor belt is a simple and efficient conveying method for flat workpieces, wherein the workpieces are placed on the conveyor belt with a side not to be coated in the intended operation.
  • the edge regions of the narrow sides to be coated remain freely accessible for the individual process steps C to H.
  • the treatment of the workpiece by the steps A to H after rotation of the workpiece by preferably 90 ° is repeated, wherein in the case of cuboid workpieces up to four different treatment positions are provided.
  • all edge regions of the narrow sides of a workpiece can be completely coated.
  • a complete coating of all edges may be useful if wood panels are installed as a workpiece in open and therefore completely visible furniture. Even with closed high quality furniture, a coating of all edge areas may be useful so that the coated wood panels can be installed regardless of a particular orientation, which is useful especially for self-assembly and moves. In many furniture, especially shelves two longitudinal edges are visible, which is why a coating of at least these two longitudinal edges and the longitudinal edges connecting the transverse edges is required.
  • the conveyor is operated at an adjustable transport speed of 15 m / min to 30 m / min, preferably of 22.5 m / min.
  • the coating result is optimized, in particular, the coating intensity can be controlled in this way.
  • An apparatus for coating according to claims 1 to 9 enables optimal coating results for the edge areas of the narrow sides.
  • FIG. 1 shows a coating die 4 with a arranged on the coating die 4 sprayer 5.
  • the coating die 4 with the spray device 5 is deflected by a pneumatic cylinder 6 and therefore by a blast of air a workpiece (in FIG. 1 not shown).
  • a coating device usually two of in FIG. 1 provided coating stamp 4 is provided.
  • the air blast for example, by a time-defined opening and closing of the pneumatic cylinder 6 associated valve (in FIG. 1 not shown) are triggered.
  • the spraying devices 5 of the coating punches 4 are sprayed with air through specially provided valves (in FIG.
  • a coating roller 3 is shown, which is used for coating the longitudinal edge of a workpiece (in FIG. 2 not shown) is used, wherein the longitudinal edge of the workpiece to be coated is arranged parallel to the conveyor. Consequently, the entire longitudinal edge of the workpiece can be coated if, during the passage of the workpiece, the coating roller 3 is pressed against the longitudinal edge and sprayed with coating agent from the spray device 5.
  • the spraying agent is sprayed onto a region of the coating roller 3 which is just not in contact with the longitudinal edge but is rotated to the longitudinal edge immediately after spraying by rotation of the coating roller 3.
  • the spraying and the delivery of the coating roller 3 to the workpiece is preferably carried out pneumatically, wherein the interruption of a light barrier (in FIG.
  • a valve for the air supply is opened.
  • the air supply can be carried out for the coating roller 3 and the spray device 5 by a single branched, controllable by a valve air supply. While the valve (in FIG. 2 not shown) is opened, a spray of the coating agent from the spray device 5 is applied to the coating roller 3 by the supplied air. In addition, the supplied air deflects against the spring force a pneumatic cylinder 6, whereby the coating roller 3 is brought to the workpiece.
  • the Figures 3 and 4 each show a portion of the coating device 1. Based on the Figures 3 and 4 It can be seen that the coating device 1 usually has a coating roller 3 arranged between two coating punches 4. The two coating punches 4 and the coating roller 3 each have their own spray device 5, which are shown partially hidden in both figures.
  • the coating dies 4 and the coating roll 3 with their associated spray devices 5 are each arranged on a pneumatic cylinder 6. At the spray devices 5 and the pneumatic cylinders 6, two air hoses 7 are connected in each case, with which a compressed air supply or a compressed air discharge can take place.
  • the workpieces to be coated 8 are on a conveyor 2, such as on a conveyor belt, under a light barrier 9, which may be performed in duplicate 9a, 9b, passed.
  • the coating roller 3 is delivered to the longitudinal edge of the workpiece 8, then the coating die 4, which is distal in the conveying direction, is sprayed by air blasts and brought to the front transverse edge of the workpiece 8 in the conveying direction. After the light barrier 9 is again free, takes place after elapse of another adjustable period, a coating of the rear transverse edge of the Workpiece 8 through the proximal coating die 4. After further elapse of an adjustable period of time, the coating roller 3 is withdrawn by stopping the supply of air by closing a valve (in Figs Figures 3 and 4 not shown). In this position, the coating device 1 is ready for coating a workpiece 8 following on the conveyor belt.
  • FIG. 5 shows the schematic structure of the coating device 1.
  • this figure shows how the individual pneumatic cylinder 6 of the coating die 4 and the Be Anlagenungsunswalze 3 and the spray devices 5 can be controlled by various valves 10 V1 to V5.
  • the coating roller 3 and its spraying device 5 require only a single valve 10 (V5), because during the entire time of pressing the coating roller 3 to the workpiece 8, the coating roller 3 is sprayed by the spraying device 5.
  • the valves 10 V1 to V5 are designed for example as solenoid valves, through which the individual air hoses 7 are separated from the compressed air before by a compressed air main line 11.
  • the valves are controlled by an electronic control unit 12, wherein the inputs are passed through an operating element 13 or a control software to the control electronics 12.
  • a range of 15 m / min to 30 m / min has been found suitable for the coating operations, wherein the conveyor 2 is preferably operated at 22.5 m / min.
  • the actual transport speed can also be determined by a double photocell 9, 9a, 9b.
  • the preferably chosen adjustable coating parameters are given in the following table, where the abbreviation LS is used for photocell: Valve power up Start after duration off event Stop after V1 LS becomes free 0.01 s 1 s V2 LS becomes free 2 s 1 s V3 LS is interrupted 0.5 s 1.4 s V4 LS is interrupted 2 s 1 s V5 LS is interrupted 1.5 s LS becomes free 4 s
  • valve V5 as a single valve is dependent on an interruption of the photocell 9 for the start of a coating operation and on the freeing of the photocell 9 to terminate the coating process.
  • the information workpiece start and workpiece end are transmitted to the coating roller 3.
  • the two coating dies 4 are supplied with the associated spray devices 5 with compressed air.
  • the coating of the front in the conveying direction transverse edge of a workpiece 8 is controlled by the valves V4 and V3, while the coating of the rear transverse edge in the conveying direction is controlled by the valves V1 and V2.
  • the valves V3 and V4 are opened in an adjustable time interval after cutting through the light barrier 9.
  • the valves V1 and V2 become triggered by a renewed exposure of the photocell 9.

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  • Application Of Or Painting With Fluid Materials (AREA)
  • Spray Control Apparatus (AREA)
EP11003954A 2011-05-13 2011-05-13 Dispositif et procédé de revêtement dans la zone des bords de parois fines de pièces à usiner Withdrawn EP2522437A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP11003954A EP2522437A1 (fr) 2011-05-13 2011-05-13 Dispositif et procédé de revêtement dans la zone des bords de parois fines de pièces à usiner
CA2774789A CA2774789A1 (fr) 2011-05-13 2012-04-18 Dispositif et methode de recouvrement des recoins des petits cotes des pieces a travailler
CN2012101263895A CN102773196A (zh) 2011-05-13 2012-04-26 工件窄面棱边范围内的涂层用的装置和方法
RU2012119457/05A RU2012119457A (ru) 2011-05-13 2012-05-11 Устройство и способ для нанесения покрытия в зоне кромок узких сторон обрабатываемых изделий
US13/469,784 US20120288629A1 (en) 2011-05-13 2012-05-11 Device and method for coating in the edge area of the small sides of workpieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11003954A EP2522437A1 (fr) 2011-05-13 2011-05-13 Dispositif et procédé de revêtement dans la zone des bords de parois fines de pièces à usiner

Publications (1)

Publication Number Publication Date
EP2522437A1 true EP2522437A1 (fr) 2012-11-14

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ID=44117129

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11003954A Withdrawn EP2522437A1 (fr) 2011-05-13 2011-05-13 Dispositif et procédé de revêtement dans la zone des bords de parois fines de pièces à usiner

Country Status (5)

Country Link
US (1) US20120288629A1 (fr)
EP (1) EP2522437A1 (fr)
CN (1) CN102773196A (fr)
CA (1) CA2774789A1 (fr)
RU (1) RU2012119457A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900010764A1 (it) * 2019-07-03 2021-01-03 Bmr S P A Pannello di rivestimento, metodo di posa e relativo metodo e impianto di fabbricazione

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113019798A (zh) * 2019-12-25 2021-06-25 昆山铭益精密机械有限公司 一种轻型补土机
CN111957536B (zh) * 2020-07-30 2022-07-05 成都倚天斋工贸有限公司 一种柱体零件涂层方法
CN113289837A (zh) * 2021-05-27 2021-08-24 燕山大学 一种振动辅助下粉体涂层滚压成形装置及方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9318650U1 (de) * 1993-12-06 1995-02-16 Anton Heggenstaller AG, 86556 Kühbach Auftragevorrichtung für die Beschichtung mit Lack o.dgl.
DE202005006368U1 (de) * 2005-04-20 2005-06-30 Nordson Corporation, Westlake Vorrichtung zum Auftragen von Fluiden auf eine Kontur eines Substrats

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005008368U1 (de) * 2005-05-28 2005-08-11 Mittmann, Heribert Attraktivmacher für Tiernahrung
CN101285525B (zh) * 2008-05-09 2010-06-02 北京星和众工设备技术股份有限公司 一种连续生产密封垫原料板的工艺方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9318650U1 (de) * 1993-12-06 1995-02-16 Anton Heggenstaller AG, 86556 Kühbach Auftragevorrichtung für die Beschichtung mit Lack o.dgl.
DE202005006368U1 (de) * 2005-04-20 2005-06-30 Nordson Corporation, Westlake Vorrichtung zum Auftragen von Fluiden auf eine Kontur eines Substrats

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900010764A1 (it) * 2019-07-03 2021-01-03 Bmr S P A Pannello di rivestimento, metodo di posa e relativo metodo e impianto di fabbricazione

Also Published As

Publication number Publication date
RU2012119457A (ru) 2013-11-20
CA2774789A1 (fr) 2012-11-13
US20120288629A1 (en) 2012-11-15
CN102773196A (zh) 2012-11-14

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