US3205815A - Textile roller printing machine - Google Patents

Description

Sept. 14, 1965 KARL HEINZ LIESSEM TEXTILE ROLLER PRINTING MACHINE Filed Jan. 24, 1964 M m w AHorney United States Patent 3,205,815 TEXTILE ROLLER PRINTING MACHINE Karl-Heinz Liessem, Krefeld, Germany, assignor to Job. Kleinewefers Siihne, Maschinenfabrik, Krefeld,

Germany Filed Jan. 24, 1964, Ser. No. 340,048 Claims priority, applilcltion Germany, Feb. 2, 1963,

2 Claims. 61. 101-219 .they are built up of a plurality of rubberized layers of textiles, and, therefore, are hard to handle. For purposes of making possible the handling and exchange of such rub 'ber printing cloths, heretofore an arrangement of the following general structure was provided. The guiding means for the bearings for the press cylindersin both stands are so designed that above the bearing housings, they continue as vertical slots diverging in upward direction, whereas the bearing housings have arranged thereon the motor driven or manually operable lifting spindles or elevating screws by means of which the press cylinder is lifted to about half the height of the vertical slots. After supporting the press cylinder by beams or the like, that bearing which is remote from the transmission side is withdrawn through the broadened slot. Thereupon, one section of the endless printing cloth may be passed with a narrow loop through the space between the shaft of the press cylinder and the slot and be mounted on the press cylinder. Subsequently thereto, the bearing with the bearing housing is again mounted on the shaft of the press cylinder, whereupon the press cylinder is lowered to its norm-a1 position. The passage of the rubber follower in form of a narrow loop is, due to its stiffness, rather cumbersome and might, due to this necessary handling of the rubber cloth, even cause damage thereto.

It is, therefore, an object of the present invention to provide a textile roller printing machine which will overcome the above-mentioned drawbacks.

II; is another object of this invention to provide a textile roller printing machine with an endless rubber printing cloth as follower, which will make it possible easily to install and remove the said printing clot-h without danger of damaging the same.

These and other objects and advantages of the invention will appear more clearly from the following specification in connection with the accompanying drawing, in which:

FIGURE 1 illustrates, partly'in view and partly in section, the journalling of a press cylinder of a textile printing machine in conformity with the present invention;

FIGURE 2 shows a modified support for the press cylinder according to which a horizontally arranged trolley beam is supported by the two stands while the press cylinder is suspended on said trolley beam by means of a trolley connected to said press cylinder.

The present invention is characterized primarily in that the press cylinder together with its shaft and the shaft bearings axially non displaceably arranged on said shaft and with the bearing housings is displaced horizontally in the direction toward the pattern register adjustment until the distance between one stand and the end face of the shaft bearing housing pertaining thereto amounts to approximately 5 centimeters. In this way, one section of the printing cloth can be introduced without the necessity of forming a loop.

In order to absorb the weight of the press cylinder during the axial displacement thereof, according to a further embodiment of the invention, the upper portion of one stand is equipped with a horizontally displaceable sustaining :bolt to which the press cylinder is screwed by means of a plate prior to the displacement of the press cylinder. During the axial displacement of the press cylinder, the said sustaining bolt will move to the same extent as the press cylinder and supports the press cylinder always in its horizontal position.

The arrangement may also be such that prior to the displacement of the press cylinder, above the press cylinder there is passed through both stands a horizontally arranged trolley beam upon which the press cylinder is suspended by means of a trolley or a sliding sleeve connected to the press cylinder.

Referring now to the drawing in detail and FIG. 1 thereof in particular, the printing machine illustrated therein comprises two stands 1 and 2 between which there is arranged a press cylinder 3 the normal position of which is indicated in dash-lines. According to the showing of FIG. 1, the distance between the two stands 1 and 2 is somewhat. greater than heretofore customary. Connected to the outside of the right-hand stand (with regard to FIG. 1) there is a pattern register drive 4 with drive shaft '5 of the printing'machine.

At both ends of press cylinder shaft 6 and fixedly connected to the press cylinder 3 are bearings with bearing housings 7 and 8 respectively. The distance from center to center of said bearings corresponds precisely to the distance between the central vertical planes of the two stands '1 and 2. The upper end of the left-hand stand 1 is provided with eyes 9, 9a having aligned .bores 1a, 1b therein through which displaceably extends a sustaining bolt 10 for sustaining or supporting the weight of the press cylinder 3. The said bolt -10 is arranged precisely vertically above shaft 6.

If it is intended to exchange a printing cloth, first the upper section of the old printing cloth is pulled into the left-hand space between stand 1 and the press cylinder 3. Thereupon, a connecting plate 11 supported by sustaining bolt 10 is connected to the left-hand end face of the press cylinder 3 by means of screws 12 whereby cylinder 3 is sustained or supported by bolt 10. After removal of safety and adjusting means, the press cylinder 3 is by means of a spindle drive together with its bearings 7 and 8, displaced in rightward direction with regard to FIG. 1 until the cylinder 3 has reached its position shown in FIG. 1 in full lines. In this position, there is a distance of approximately 5 centimeters between the left hand bearing 7 and the stand -1, whereas the right-hand bearing 8 is still sufficiently supported in a corresponding bearing. Through the thus formed gap, the operator now withdraws in downward direction the old printing cloth located in the left-hand space between stand 1 and press cylinder 3, and subsequently the new printing cloth 13 is introduced in the direction of the arrow into said intermediate space. The drum will then, by the abovementioned spindle drive, return to its dash-line normal position. Finally, the plate 12 and the sustaining bolt 10 are removed Nvhereby the new printing cloth which is located in the cylinder space and-has one or more folds, is pulled over the printing roller in the direction of the upper arrow.

FIG. 2 shows another supporting device which broadly comprises a trolley bar 14 of round or other cross-section which extends through both stands and on which the press cylinder 3 is suspended by means of a trolley 15.

It is, of course, to be understood, that the present invention is, by no means, limited to the particular construction shown in the drawings, but also comprises any modifications within the scope of the appended claims.

What I claim is:

1. In a textile printing machine: two spaced stationarily mounted supporting stands each provided wit-h a transverse bore, said bores being in axial alignment with 'said shaft end portions being axially displaceahle in said bores as a unit with said roller, the distance between said supporting stands being considerably in excess of the total width of said roller plus the distance between one end face of said roller and the end face of the adjacent shaft end portion whereby when the roller with its shaft is axially displaced so that that roller end face which is opposite to one end face of said roller is in abutment with the adjacent stand a sufiiciently lwide gap will exist between the other stand and the adjacent shaft end face to permit passing a printing cloth through said gap for mounting the same on or removing the same from said roller, and supporting lmeans-slidably mounted in that one of said stands which contains the bore normally supporting that shaft end portion which is to be withdrawn therefrom for creating said gap, said supporting means being slid-able in a direction parallel to said shaft and including means for temporary connection with said roller to support the same while said last mentioned shaft end portion is withdrawn from said last mentioned bore.

2. In a textile printing machine: two spaced stationarily mounted supporting stands each provided with -a transverse bore, said bores being in axial alignment with each other, a rotatable press roller including a supporting shaft therefor with the end portions of said shaft protruding from the respective adjacent end faces of said roller and normally supportedly :located within said bores,

said shaft end portions being axially displaceable in said bores as a unit with said roller, the distance between said supporting stands being considerably in excess of the total width of said roller plus the distance between one end face of said roller and the end face of the adjacent 'shaft end portion whereby when the roller with its shaft is axially displaced so that that roller end face which is opposite to one end face of said roller is in abutment with the adjacent stand a sufliciently wide gap will exist between the other stand and the adjacent shaft end face to permit passing a printing cloth through said gap for mounting the same on or removing the same from said roller, trolley beam means supported by said stands above said rollers and extending parallel to said shaft, and trolley means displaceable supported on said trolley beam means and selectively connectable to anddisengageable from said roller for temporarily supporting the latter when one shaft end portion is withdrawn from the respective bore in the respective stand to create said gap.

References Cited by the Examiner UNITED STATES PATENTS EUGENE R. CAPOZIO, Primary Examiner.

Claims (1)

1. IN A TEXTILE PRINTING MACHINE: TWO SPACED STATIONARILY MOUNTED SUPPORTING STANDS EACH PROVIDED WITH A TRANSVERSE BORE, SAID BORES BEING IN AXIAL ALIGNMENT WITH EACH OTHER, A ROTATABLE PRESS ROLLER INCLUDING A SUPPORTIN SHAFT THEREFOR WITH THE END PORTIONS OF SAID SHAFT PROTRUDING FROM THE RESPECTIVE ADJACENT END FACES OF SAID ROLLER AND NORMALLY SUPPORRTED LOCATED WITHIN SAID BORES, SAID SHAFT END PORTIONS BEING AXIALY DISPLACEABLE IN SAID BORES AS A UNIT WITH SAID ROLLER, THE DISTANCE BETWEEN SAID SUPPORTING STANDAS BEING CONSIDERABLY IN EXCESS OF THE TOTAL WIDTH OF SAID ROLLER PLUS THE DISTANCE BETWEEN ONE END FACE OF SAID ROLLER AND THE END FACE OF THE ADJACENT SHAFT END PORTION WHEREBY WHEN THE ROLLER WITH ITS SHAFT IS AXIALLY DISPLACED SO THAT THE ROLLER END FACE WHICH IS OPPOSITE TO ONE END FACE OF SAID ROLLER IS IN ABUTMENT WITH THE ADJACENT STAND A SUFFICIENTLY WIDE GAP WILL EXIST BETWEEN THE OTHER STAND AND THE ADJACENT SHAFT END FACE TO PERMIT PASSING A PRINGINT CLOTH THROUGH SAID GAP FOR

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