DE1460798C3

DE1460798C3 - Screen printing machine

Info

Publication number: DE1460798C3
Application number: DE19641460798
Authority: DE
Inventors: Johannes Bernardus Van Der Amstelveen Winden (Niederlande)
Original assignee: Stork Amsterdam Bv Amstelveen (niederlande)
Current assignee: Stork Amsterdam Bv Amstelveen (niederlande)
Priority date: 1963-09-12
Filing date: 1964-09-01
Publication date: 1974-07-25
Also published as: CH1169164A4; DE1460798A1; AT266756B; DE1460798B2; CH412771A; AT256144B

Description

3 43 4

rad greift in ein teilweise dargestelltes Zahnrad 17 In Fig. 2 berührt das Band2 die Schablonen 10wheel engages a partially shown gear wheel 17. In FIG. 2, the belt 2 touches the templates 10

ein, das frei drehbar auf einer Zwischenwelle 18 an- nicht. Diese Lage ist in F i g. 1 dargestellt, und zu die-one that is freely rotatable on an intermediate shaft 18. This situation is shown in FIG. 1, and to this-

geordnet ist. Das Zahnrad 17 greift in ein auf einer sem Zweck wird das Band 2 mittels Rollen 45 inis ordered. The gear 17 meshes with a sem purpose, the belt 2 by means of rollers 45 in

kurzen Welle 20 aufsitzendes Zahnrad 19 ein, das in Aufwärtsrichtung gedrückt, wobei die Zahl der RoI-short shaft 20 seated gear 19, which is pressed in the upward direction, the number of RoI-

ein auf einer Welle 22 vorgesehenes frei drehbares 5 len 45 der Zahl der Schablonen 10 entspricht. Diesea freely rotatable 5 len 45 provided on a shaft 22 corresponds to the number of templates 10. This

Zahnrad 21 eingreift. Auf der Welle 22 ist ein auf Rollen 45 sind in Winkelhebeln 46 gehalten, welcheGear 21 engages. On the shaft 22 is a roller 45 are held in angle levers 46, which

seiner einen Seite ein Zahnrad 24 bildendes und auf sich bei 47 um eine fest im Maschinengestell an-its one side a gear 24 forming and on itself at 47 to a fixed in the machine frame

seiner anderen Seite bei 25 einen Teil der Kupplung geordnetes Gelenk drehen können. Die Winkelhebelhis other side at 25 can rotate part of the coupling ordered joint. The angle levers

26 bildendes Glied 23 befestigt. Die Kupplung kann 46 werden mittels einer an einer Stange angelenkten26 forming member 23 attached. The coupling 46 can be hinged to a rod by means of a rod

eine Verbindung mit dem Zahnrad 21 herstellen. io Stange 48 verstellt (s. Fig. 1). Die Stellung derestablish a connection with the gear 21. io rod 48 adjusted (see Fig. 1). The position of the

Auf der kurzen Welle 20 ist noch ein zweites Stange 49 wird von einem hydraulischen ZylinderOn the short shaft 20 is a second rod 49 which is operated by a hydraulic cylinder

Zahnrad 27 vorgesehen, das über eine Kupplung 28 bestimmt.Gear 27 is provided, which is determined via a clutch 28.

mit dem Zahnrad 19 verbunden werden kann. Weiter F i g. 3 zeigt eine Schablone 10 in Längsschnitt mit ist auf der Zwischenwelle 18 ein Glied 29 befestigt, der darin vorgesehenen Rakel 52, die an ihren Enden das über eine Kupplung 30 mit dem Zahnrad 17 ver- 15 über eine Schnellkupplung 53 mit einem Aufhängebunden werden kann. Auf dieser Zwischenwelle ist glied 54 verbunden ist. Das eigentliche Rakelglied 55 weiter noch eine in ein Schneckenrad 32 eingrei- ist in den F i g. 4 und 5 in größerem Maßstab in einer fende Schnecke 31 befestigt, welches Schneckenrad derartigen Lage dargestellt, daß dieses Glied gerade mit der Treibscheibe 3 für das Band 2 verbunden ist. die innere Wand der Schablonen berührt bzw. in Die Kupplungen 26, 28 und 30 können mittels eines 20 einer Lage, die dieses Glied im Betrieb einnimmt, mit einem Bedienungsknopf 34 versehenen Regel- Die beim Drucken verwendete Farbmasse wird über ventils 33 hydraulisch bedient werden. Das zu die- eine in einige Auslässe 57 mündende Leitung 56 der sem Zweck erforderliche Druckmittel wird von einer Rakel 52 zugeführt.can be connected to the gear 19. Next F i g. 3 shows a template 10 in longitudinal section a member 29 is attached to the intermediate shaft 18, the doctor blade 52 provided therein, at their ends this is connected via a coupling 30 to the gear 17 via a quick coupling 53 with a suspension bond can be. Member 54 is connected to this intermediate shaft. The actual doctor element 55 furthermore one engages in a worm wheel 32 in FIG. 4 and 5 on a larger scale in one Fende worm 31 attached, which worm wheel is shown in such a position that this link is straight is connected to the traction sheave 3 for the belt 2. the inner wall of the stencils touches or in The clutches 26, 28 and 30 can by means of a 20 a position that this member assumes in operation, with a control button 34 provided rule- The ink used in printing is about valve 33 can be operated hydraulically. The line 56 of the one opening into some outlets 57 The pressure medium required for this purpose is supplied by a doctor blade 52.

von der Welle 16 angetriebenen und Öl aus einem Die Schablone 10 wird in der Weise gespannt, daß Behälter 36 ansaugenden Zahnradpumpe 35 belie- 25 das eine Ende fest in der Trägervorrichtung 9, d. h. fert. Die Welle 22 ist über eine eine Keilverbindung fest in axialer Richtung befestigt ist, während das anaufweisende Muffe 37 mit einem in einem Träger für dere Ende in axialer Richtung verschiebbar gestützt eine Schablone 10 vorgesehenen Wellenstummel 38 ist. In F i g. 3 trifft dies für das linke bzw. rechte verbunden. Auf diesem Wellenstummel 38 ist eine, in Ende der Schablone 10 zu. Auf dem in F i g. 3 rechein Schneckenrad 40 eingreifende Schnecke 39 befe- 30 ten Ende der Schablonen 10 ist eine in dem Lager 59 stigt. Das Schneckenrad 40 ist mit einem Zahnrad 41 des Trägers 9 in axialer Richtung verschiebbare auf einer Welle angeordnet, welches Zahnrad in ein Hülse 58 befestigt. Zwischen den Gliedern 58 und 59 Zwischenrad 42 eingreift, das seinerseits mit einer ist eine ringförmige Kammer 60 vorgesehen, welcher auf einem Ende der Schablone 10 vorgesehenen Ver- zwecks der Spannung in Längsrichtung der Schazahnung 43 zusammenarbeitet. 35 blone 10 ein Druckmittel zugeführt werden kann.driven by the shaft 16 and oil from a The template 10 is stretched in such a way that The gear pump 35 sucking in the container 36 leaves one end fixed in the carrier device 9, i. H. ready. The shaft 22 is fixedly fastened in the axial direction via a spline connection, while the one having Sleeve 37 with one in a support for the particular end slidably supported in the axial direction a stencil 10 provided shaft stub 38 is. In Fig. 3 this applies to the left or right connected. On this stub shaft 38 is a, in the end of the template 10 to. On the in F i g. 3 reckon Worm 39 engaging worm wheel 40 at the end of the templates 10 is one in the bearing 59 stigt. The worm wheel 40 is displaceable in the axial direction with a gear wheel 41 of the carrier 9 arranged on a shaft, which gearwheel is fastened in a sleeve 58. Between links 58 and 59 Intermediate gear 42 engages, which in turn is provided with an annular chamber 60, which provided on one end of the template 10 for the purpose of tension in the longitudinal direction of the toothing 43 cooperates. 35 blone 10 a pressure medium can be supplied.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

1 21 2

provided gear with an engageable

Claim: Drive is connected and the doctor blade at its ends

via a quick coupling to the on the frame by means of

Screen printing machine with a support member provided in the machine outside the template frame movably arranged, one held horizontally 5 and provided with a paint feed line effective distance for the mate- is to be printed. Through this measure, the screen print can forming endless belt as well as with minde- blone at any time, especially when the at least one can be relaxed in the machine frame by means of carriers machine. In addition, the sieve is Cylindrical printing stencil mounted on both ends can be separated from the drive. The squeegee stencil, within which a squeegee blade can also be used in its print on the screen printing stencil is ordered and supported on support members so that the support members can be designed to be adjustable, characterized by that each shell also offers the way of storage blone (10) at one end with one in the carrier (9) of the squeegee ensures that the screen printing stencil axially displaceable clamping sleeve (58) connected when removing the doctor blade not damaged is, while the other end is axially fixed in the carrier 15, because the interior of the screen printing stencil (9) is arranged, one at one end of the shell is free and so the entire clear space within the blone (10) provided gear (43) with a screen printing stencil when removing the squeegee connectable drive is connected and which can be exploited.

Squeegees (52) at their ends via a quick- But also changing the screen printing tray

Coupling (53) to the frame (1) by means of 20 blone itself can be done without the risk of damage the template (10) provided gene, because this is initially used for itself Support members (54) can be held and with a color, d. H. without having any parts in the guide line (56) is provided. To have to put inside the screen printing stencil.

An embodiment of the inventive concept

25 is shown in the drawing. It shows

F i g. 1 shows a side view of the whole machine,

The invention relates to a screen printing machine with FIG. 2 on a larger scale ^! a detail of the

a left part in Fig. 1 that is movably arranged in the machine frame, ........> ■, - ■■

a horizontal effective distance for the one to be printed Fig. 3 in a schematic representation a longitudinal printing end Material forming endless belt as well as 3 ° cut through a stencil and squeegee and a with at least one in the machine frame by means of part of the carrier device: · ■■ · :. ' - ^

Cylindrical beams supported at both ends ... F i g. 4 partially, in side view, and partially in the printing stencil, within which a doctor blade section the longitudinal section according to FIG. 3, wherein the Ra is arranged and supported on support members. line straight with the inner side of the template ⁷ in

In a known screen printing machine of this type 35 is agitation,

(USA.-Patent 2511511) the screen printing Fig.5 remains a picture similar to Fig.4, with the

However, the stencil is in its effective position even when the machine is shut down.
tense. The squeegee is on inside the stencil as in FIG. 1 shows: If the screen is provided, non-rotatable supports are mounted in such a way that the printing machine consists of a machine frame 1 so that it cannot be raised and lowered. 4 ° the one in a closed path between a The squeegee pressure is therefore always in the same traction sheave 3 and a turning wheel 4 movable .Weise on .der. Inner wall, the screen printing stencil. endless belt 2 is provided .. In the effective Finally, the screen printing stencil is connected at any time with path 5, this belt 2 forms a surface for supporting the drive, which also drives the printing of the material 6 to be printed, which is driven by a cloth. As a result of these circumstances, the sieve 45 supply, not shown, is unwound. On the printing template, especially when approaching the rock, there is ' one '.' Drive motor7 provided, the machine very busy. As is known, via a connection 8 the driving force is transmitted to the disk 3 made of very thin metal foil. An on-screen printing stencil is easily injured over the section 5. With the number of supports 9 for cylindrical printing stencils machine of the known type, with regard to the 5 ° 10 (see · Fig. 2) ~ Yöfgesehgff. '^; The ⁱ printed Mäterialö described embodiment of the machine the food is on-duration in FIG. 1, left-hand side of the machine of the stencil very limited. However, a device (not shown) for changing the screen printing stencil is removed during the treatment of the latter. On the unknown 'known' machine then "difficult, if it is designed as a ren side of the endless metal cylinder passing through by the belt 2, what / with 53 sen path there is a device 11 for consideration of the coherent pattern of the see of the tape, as well as a ... tensioning device 12 should be case. and a device 13 for spreading a glue

The invention is based on the object of a layer on the belt 2, ' so that the same, after the screen printing machine of the type described above has gone over the turning wheel 4, to print that the 6 ° kende material 6 in the known machine support and temporary handicaps occurring disadvantages are avoided and any cause can be th. After dissolving the material 6 at any additional load on the Scha- point of the left end of the machine (Fig. 1), werblone is eliminated as far as possible. the glue residue by means of the washing device 11

This object is thereby removed from the belt 2 according to the invention.

solved that each template at one end with a 65 in Fig. 2, the drive of the machine is closer erim Carrier axially displaceable adapter sleeve connected lauters. Via connection 8 and a conventional while the other end is axially fixed in the support ches universal joint 14 on its shaft 16 is arranged, a provided at one end of the template gear 15 is driven. This tooth