DE2519629A1 - Liq. treating appts. - e.g. for etching a continuous flow of articles partic. printed circuits with transverse reciprocating spray frame - Google Patents

Liq. treating appts. - e.g. for etching a continuous flow of articles partic. printed circuits with transverse reciprocating spray frame

Info

Publication number
DE2519629A1
DE2519629A1 DE19752519629 DE2519629A DE2519629A1 DE 2519629 A1 DE2519629 A1 DE 2519629A1 DE 19752519629 DE19752519629 DE 19752519629 DE 2519629 A DE2519629 A DE 2519629A DE 2519629 A1 DE2519629 A1 DE 2519629A1
Authority
DE
Germany
Prior art keywords
spray frame
liq
etching
printed circuits
partic
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Withdrawn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
DE19752519629
Other languages
German (de)
Inventor
Adam Pill
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19752519629 priority Critical patent/DE2519629A1/en
Publication of DE2519629A1 publication Critical patent/DE2519629A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0463—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length
    • B05B13/0468—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with reciprocating or oscillating spray heads
    • B05B13/0473—Installation or apparatus for applying liquid or other fluent material to moving work of indefinite length with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/90—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth
    • B05B16/95—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth the objects or other work to be sprayed lying on, or being held above the conveying means, i.e. not hanging from the conveying means
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/08—Apparatus, e.g. for photomechanical printing surfaces
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
    • H05K3/068—Apparatus for etching printed circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/658—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits the spraying apparatus or its outlet axis being perpendicular to the flow conduit

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Spray Control Apparatus (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)

Abstract

In an appts. for treatment with a liq. partic. for etching articles such as printed circuits, having >=1 spray frame driven reciprocatable on a guide in a treatment chamber and composed of tubes provided with spray nozzles from which liq. supplied under pressure is directed onto the article to be treated, the spray frame is driven by a revolving cam directly engaging the guide member connected to the fame. Provides a simplified drive for the transverse reciprocating motion and eliminates or considerably reduced wear due to high shear forces.

Description

Vorrichtung zum Behandeln mit Flüssigkeit, insbesondere zum Ätzen von Gegenständen Die Erfindung betrifft eine Vorrichtung zum Behandeln mit Flüssigkeit, insbesondere zum Ätzen von Gegenständen, wie gedruckte Schaltungen oder dgl., mit wenigstens einem in einer Behandlungskammer auf einer Führung hin- und hergehend angetrieben, aus mit Düsen versehenen Rohren zusammengesetzten Sprührahmen, aus dem eine unter Druck zugeführte Flüssigkeit auf die zu behandelnden Gegenstände auftrifft. Device for treating with liquid, in particular for etching of objects The invention relates to a device for treating with liquid, especially for etching objects such as printed circuits or the like., With at least one reciprocating on a guide in a treatment chamber driven spray frame composed of pipes provided with nozzles which a liquid supplied under pressure on the objects to be treated hits.

Bei den bekannten Vorrichtungen dieser Gattung wird der Sprührahmen über ein Kurbelgetriebe angetrieben, welches aus zahlreichen Einzelteilen und Lagern besteht und wegen der auftretenden Querkräfte starkem Verschleiß unterliegt.In the known devices of this type, the spray frame Driven by a crank mechanism, which consists of numerous individual parts and bearings exists and is subject to heavy wear due to the transverse forces that occur.

Es ist Aufgabe der Erfindung, einen einfachen, verschleißfesten Antrieb für den Sprührahmen einer gattungsgemäßen Vorrichtung vorzuschlagen.It is the object of the invention to provide a simple, wear-resistant drive to propose a generic device for the spray frame.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß der SprXlrahmen durch eine umlaufende Nocke angetrieben ist, die unmittelbar an mit dem Sprülirahmen verbundenen Führungsgliedern angreift.The object is achieved according to the invention in that the SprXlrahmen is driven by a rotating cam, which is directly connected to the spray frame Attacks connected guide links.

Die nachstehende Beschreibung bevorzugter Ausführungsformen der Erfindung dient im Zusammenhang mit beiliegender Zeichnung der weiteren Erläuterung. Es zeigen: Fig. 1 einen Längsschnitt einer erfindungsgemäßen Vorrichtung; Fig. 2 eine Querschnittsansicht entlang der Linie 2-2 in ig. 1 und Fig. 3 einen Teilquerschnitt ähnlich Fig. 2 einer abgewandelten Ausführungsform der Erfindung.The following description of preferred embodiments of the invention serves for further explanation in connection with the accompanying drawing. Show it: 1 shows a longitudinal section of a device according to the invention; Fig. 2 is a cross-sectional view along the line 2-2 in ig. 1 and 3 show a partial cross section similar to FIG. 2 modified embodiment of the invention.

Die in der Zeichnung dargestellte Vorrichtung umfaßt eine Behandlungskammer 1 zum Besprühen von Gegenständen mit Ätzflüssigkeit sowie eine daran sich anschließende Spülkammer 2, in welcher die Ätzflüssigkeit mit Wasser abgewaschen wird.The device shown in the drawing comprises a treatment chamber 1 for spraying objects with etching liquid and a subsequent one Rinsing chamber 2, in which the etching liquid is washed off with water.

Die zu ätzenden Gegenstände 4, z.B. gedruckte Schaltungen, werden durch eine Vielzahl von hintereinander angeordneten, angetriebenen Förderrollen 5 durch die Kammern 1 und 2 hindurchtransportiert. In der Kammer 1 ist eine Sprüheinrichtung vorgesehen, die je einen über und unter der von den b'örderrollen 5 gebildeten Transportebene angeordneten Sprührahmen 6 bzw. 7 von etwa rechteckiger Gestalt umfaßt. An den aus Rohren bestehenden Sprührahmen 6, 7 sind nach unten bzw. oben gerichtete Düsen 8, 9 vorgesehen, aus denen die iiehandlungsflüssigkeit von oben und unten her auf die Gegenstände 4 gespritzt wird. Die ablaufende Flüssigkeit fließt in der Behandlungskammer 1 auf einen Boden 11 und von da über Öffnungen 12, 13 in ein Flüssigkeitsreservoir 14, von wo die Flüssigkeit über eine pumpe 15 und Leitungen, von denen in der Zeichnung lediglich Rohre 16, 17 angedeutet sind, zu den Sprührahmen 6, 7 und deren Düsen 8, 9 zum Zwecke des erneuten Versprühens zurückgeführt wird. Die ortsfesten Rohre 16, 17 sind mit den Sprührahmen 6, 7 durch flexible Schlauchleitungen 10 entsprechender Länge verbunden.The objects 4 to be etched, e.g., printed circuits, become by a large number of driven conveyor rollers arranged one behind the other 5 transported through chambers 1 and 2. In the chamber 1 is a spray device provided, one above and one below the transport plane formed by the conveyor rollers 5 arranged spray frame 6 and 7 comprises approximately rectangular shape. To the off Pipes existing spray frames 6, 7 are downward and upward directed nozzles 8, 9 provided, from which the iiehandlungsiquid from above and below on the Objects 4 is injected. The draining liquid flows in the treatment chamber 1 onto a base 11 and from there via openings 12, 13 into a liquid reservoir 14, from where the liquid is pumped through 15 and lines, one of which is in the drawing only tubes 16, 17 are indicated, to the spray frame 6, 7 and their nozzles 8, 9 is returned for the purpose of spraying again. The fixed pipes 16, 17 are more corresponding to the spray frames 6, 7 by flexible hose lines 10 Length connected.

Die Sprührahmen 6, 7 sind an den Seiten jeweils mit geraden Rohren 18 verbunden, die als Führungen dienen und auf Rollen 19 aufliegen. Damit können die Sprührahmen 6, 7 während des Sprühens hin- und hergeschoben werden. Vom unteren Führungsrahmen 7 stehen zwei Pührungsglieder 21, beispielsweise in Form von ollen ab. n diesen ollen greift eine auf einer Welle 20 drehfest gelagerte lacke 22 in Gestalt eines Zylinders mit schräg zur Drehachse verlaufenden Stirnflächen oder Stirnkanten 23, 24 an. Die im wesentlichen horizontal verlaufende Welle 20 wird von einem Elektromotor 30 in Drehung versetzt. Die umlaufende, mit ihren schrägen Stirnflächen an den iilührungsgliedern 21 angreifende Nocke 22 treibt den unteren Sprührahmen 7 hin- und hergehend an.The spray frames 6, 7 are each with straight pipes on the sides 18 connected, which serve as guides and rest on rollers 19. So can the spray frames 6, 7 are pushed back and forth during spraying. From the lower Guide frame 7 are two Pührungsglieder 21, for example in the form of ollen. A shaft 20 rotatably mounted on a shaft engages in this roller lacquers 22 in the form of a cylinder with end faces running obliquely to the axis of rotation or front edges 23, 24. The substantially horizontal shaft 20 is set in rotation by an electric motor 30. The circumferential one, with its sloping one The cam 22 engaging the end faces on the guide members 21 drives the lower one Spray frame 7 back and forth on.

Bei der dargestellten Ausführungsform ist der obere Sprührahmen 6 durch Rohre 25 starr mit dem unteren SprQlrahmen 7 verbunden, so daß beim Hin- und Hergang des unteren Sprührahmens 7 der obere Sprührahmen 6 mitgenommen wird.In the embodiment shown, the upper spray frame is 6 rigidly connected to the lower sprinkler frame 7 by tubes 25, so that when going back and forth The course of the lower spray frame 7, the upper spray frame 6 is carried along.

Der beschriebene Nockenantrieb ist gegenüber dem herkömmlichen Kurbeltrieb deswegen von Vorteil, weil er erheblich weniger Einzelteile umfaßt, außer den Lagern der Welle 20 keine Drehlager erfordert und im wesentlichen keine zu einem besonderen Verschleiß führendeQuerkräfte aufnehmen muß.The cam drive described is compared to the conventional crank drive therefore an advantage because it comprises considerably fewer individual parts, except for the bearings of the shaft 20 does not require any pivot bearings and essentially none at all Must absorb lateral forces leading to wear.

Bei der in Fig. 3 dargestellten abgewandelten Ausführungsform der Erfindung ist die Nocke 22 durch eine an den Führungsgliedern 21 angreifende Exzenterscheibe 26 ersetzt, die auf einer senkrechten Welle in einem Lagerbock 27 gelagert ist und über ein Winkelgetriebe 28 und eine Welle 29 vom Motor 30 angetrieben wird. Beim Umlauf der Nockenscheibe 26 verschiebt diese den Sprührahmen 7 und den mit ihm starr verbundenen Sprührahmen 6 hin und her.In the modified embodiment shown in FIG The invention is the cam 22 by means of an eccentric disk engaging the guide members 21 26, which is mounted on a vertical shaft in a bearing block 27 and is driven by the motor 30 via an angular gear 28 and a shaft 29. At the Circulation of the cam disk 26, this moves the spray frame 7 and the rigid with it connected spray frame 6 back and forth.

die as der Zeichnung hervorgeht, laufen die Nocke 22 und die Exzenterscheibe 2o sowie die zugeordneten Wellen 20 uzw. 29 in einem im wesentlichen trockenen Raum um, da sich auf dem Boden 11 keine Flüssigkeit ansammelt, sondern durch die uffnungen 12, 13 in das Reservoir 14 abströmt. Dadurch sind weitere Verschleißerscheinungen ausgeschaltet.As the drawing shows, the cam 22 and the eccentric disk run 2o and the associated shafts 20, etc. 29 in a substantially dry room around, since no liquid collects on the bottom 11, but through the openings 12, 13 flows off into the reservoir 14. This means that there are further signs of wear and tear switched off.

Claims (5)

Yatentansprüche: Yaten claims: e Vorrichtung zum Behandeln mit Flüssigkeit, insbesondere zum Ätzen von Gegenständen, wie gedruckte Schaltungen o.dgl., mit wenigstens einem in einer Behandlungskammer auf einer Führung hin- und hergehend angetriebenen, aus mit Düsen versehenen Rohren zusammengesetzten Sprührahmen, aus dem eine unter Druck zugeführte Flüssigkeit auf die zu behandelnden Gegenstände auftrifft, dadurch gekennzeichnet, daß der SprXlrahmen (6, 7) durch eine umlaufende Nocke (22, 26) angetrieben ist, die unmittelbar an mit dem Sprührahmen verbundenen Führungsgliedern (21) angreift.e Device for treating with liquid, in particular for etching of items such as printed circuits or the like., With at least one in one Treatment chamber driven back and forth on a guide, made with nozzles provided pipes assembled spray frame, from which a pressurized feed Liquid hits the objects to be treated, characterized in that that the SprXlrahmen (6, 7) is driven by a rotating cam (22, 26), which acts directly on guide members (21) connected to the spray frame. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Nocke (22) die Gestalt eines Zylinders mit schräg zur Drehachse verlaufenden Stirnflächen oder Stirnkanten (23, 24) hat und die Drehachse (20) im wesentlichen horizontal verläuft.2. Apparatus according to claim 1, characterized in that the cam (22) the shape of a cylinder with end faces running obliquely to the axis of rotation or end edges (23, 24) and the axis of rotation (20) is essentially horizontal runs. 3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Nocke eine Exzenterscheibe (26) ist, die um eine im wesentlichen vertikale Drehachse umläuft. 3. Apparatus according to claim 1, characterized in that the cam is an eccentric disk (26) which revolves around a substantially vertical axis of rotation. 4. Vorrichtung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die socke (22, 26) in einem im wesentlichen trockenen Raum angeordnet ist.4. Apparatus according to claim 1, 2 or 3, characterized in that that the sock (22, 26) is arranged in a substantially dry room. 5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß zwei übereinander angeordnete, starr verbundene Sprührahmen (6, 7) vorgesehen sind.5. Device according to one of claims 1 to 4, characterized in that that two superposed, rigidly connected spray frames (6, 7) are provided are.
DE19752519629 1975-05-02 1975-05-02 Liq. treating appts. - e.g. for etching a continuous flow of articles partic. printed circuits with transverse reciprocating spray frame Withdrawn DE2519629A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19752519629 DE2519629A1 (en) 1975-05-02 1975-05-02 Liq. treating appts. - e.g. for etching a continuous flow of articles partic. printed circuits with transverse reciprocating spray frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752519629 DE2519629A1 (en) 1975-05-02 1975-05-02 Liq. treating appts. - e.g. for etching a continuous flow of articles partic. printed circuits with transverse reciprocating spray frame

Publications (1)

Publication Number Publication Date
DE2519629A1 true DE2519629A1 (en) 1976-11-11

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DE19752519629 Withdrawn DE2519629A1 (en) 1975-05-02 1975-05-02 Liq. treating appts. - e.g. for etching a continuous flow of articles partic. printed circuits with transverse reciprocating spray frame

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105013654A (en) * 2015-08-20 2015-11-04 包头天和磁材技术有限责任公司 Spraying device and purpose thereof
CN111770643A (en) * 2020-07-16 2020-10-13 江西中信华电子工业有限公司 Printed circuit board insulating layer processing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105013654A (en) * 2015-08-20 2015-11-04 包头天和磁材技术有限责任公司 Spraying device and purpose thereof
CN111770643A (en) * 2020-07-16 2020-10-13 江西中信华电子工业有限公司 Printed circuit board insulating layer processing device

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8141 Disposal/no request for examination