DE102009023826A1 - Storage arrangement for cleaning e.g. rubber blanket cylinder in printing machine, has shaft fed by drive, and adapters receiving drive and connected with carrier spindle by detachable connection in form-fit manner - Google Patents

Abstract

The arrangement has conical adapters (4, 5) coupled with a shaft (15) that is supported in a housing wall (6) of a cleaning unit (1). The adapters are arranged with respect to each other and form detachable coupling with a cone (9) at front side ends of a carrier spindle (2) with its hollow cylindrical interior profile (19). The shaft is fed by a drive (8), and the adapters receiving the drive are connected with the carrier spindle by a detachable connection (10) in a form-fit manner. The carrier spindle supports a fabric sleeve made from web-shaped cleaning fabric.

Description

The The invention relates to a bearing arrangement for a cleaning unit in a printing machine according to the preamble of claim 1.

A bearing assembly of this kind is made DE 696 11 631 T2 as a cleaning material supply device for a printing cylinder, comprising a supply shaft, a supply core and a cleaning fabric material wound on the supply core, wherein the supply core is arranged on the supply shaft and coupled for rotation therewith. In this case, the feed core has an inner structure which is positively coupled to an outer structure of the feed shaft. The outer cross-sectional shape of the feed shaft and the inner cross-sectional shape of the feed core should have any but not circular shape. The supply shaft is received at both ends in a respective plug, which is accommodated in each case a sleeve engaging part mounted in the housing. In one embodiment, the bearing assembly for one end of the feed shaft has an axially displaceable and spring loaded cam member having first and second inclined cam surfaces for positively engaging a "key" with two surfaces.

A carrier core is off EP-B-0 676 997 as the core of a packed, soaked cleaning system for cleaning cylinders of a printing press. Around this carrier core, a tissue bag soaked preferably with a solvent of an organic compound of low volatility (cleaning liquid) is arranged as a cleaning cloth. The carrier core may be cylindrical with open ends. Preferably, the carrier core is made of a relatively strong paperboard of sufficient strength to receive thereon a soaked, wound cleaning wipe. In a further embodiment, the carrier core may be made of metal.

In a development of the cleaning cloth carrying carrier core additionally with an inserted through the carrier core Be provided wave. This can improve the stability of the carrier core be improved and / or the shaft serves as a carrier spindle, which can be used in a cloth washing device.

at These designs is the bearing assembly, especially the form-fitting Connection, relatively expensive and executed at a Carrier core made of cardboard can dampen the Cardboard with the cleaning fluid occur.

Of the Invention is based on the object, a bearing assembly of the above mentioned type to improve such that a simpler storage and Drive connection for a support spindle of a cleaning unit is created.

The The object is achieved by the characterizing features of claim 1 solved. Further developments emerge from the dependent claims.

One first advantage of the bearing arrangement for a cleaning unit, specifically a cloth cleaning unit, is that the cleaning cloth in the form of a cloth roll (wound cleaning cloth) on one stable, protected against cleaning fluid Support spindle is added. The carrier spindle consists of a metallic material, preferably aluminum, and is designed as a hollow cylinder.

When second advantage can be stated that the bearing assembly each a cone-shaped adapter for each end receiving a support spindle. The adapters clamp the support spindle at the ends non-positively in the axial direction and center them. Here is the support spindle with or without cleaning cloth easy to separate from the bearing assembly and can against a second support spindle (with or without Cleaning cloth) are replaced. Introducing a Carrier shaft in a support spindle or in so-called form-fitting "key structures" is thus lapsed.

The Invention is intended to be closer to an embodiment be explained. It shows schematically:

1 a bearing assembly for a cleaning unit.

A cleaning unit 1 has a web-shaped, clean cloth wrap 3 for cleaning a substantially circular cylindrical body of revolution in a printing press. The rotary cylinder is preferably a cylinder, in particular a blanket cylinder, or a roller. The cloth wrap 3 is on a support spindle 2 arranged wound up. The carrier spindle 2 extends at least in the axial direction in the range of the format width of the cloth roll 3 , preferably beyond its format width. The surface or the outer profile of the support spindle 2 is preferably cylindrical. The carrier spindle 2 is made of a metallic material (including alloys) and is formed as a hollow cylinder. For example, the carrier spindle 2 formed from a drawn material. Alternatively, the carrier spindle 2 formed from a solid material and has at the ends in each case a free space, for example, depending on a turn on.

This is preferably the cloth wrap 3 forming cleaning cloth already with a cleaning liquid soaked in moisture. In another embodiment, the cleaning cloth is in a dry state as a cloth wrap 3 executed and is introduced into a bath with cleaning liquid, is impregnated with a portion of the existing cleaning liquid there, is then removed from the bath and a defined time over a container, preferably the bath, positioned to drain excess cleaning liquid. Alternatively, this cleaning cloth can only be wetted in a cloth washing device with a cleaning liquid.

According to the invention, the bearing arrangement comprises a first and a second cone-shaped, each with one in a housing wall 6 the cleaning unit 1 stored wave 15 coupled first and second adapters 4 . 5 , The two adapters 4 . 5 are mirror images of each other and form each with a cone 9 at the front ends with a hollow cylindrical inner profile 19 the carrier spindle 2 a detachable coupling. Each adapter 4 . 5 has a top surface 13 and a floor space 14 as well as the cone 9 on. Here are the top surfaces 13 arranged mirror-inverted to one another in the axial direction. At least on a wave 15 an adapter 4 . 5 is a drive 8th einspeisbar and the one drive 8th preserving adapters 4 . 5 is form-fitting by means of a detachable connection 10 with the carrier spindle 2 connected. Every cone 9 especially on the top surfaces 13 each have a surface with increased friction. Preferably, such a surface may have an anti-slip coating. Alternatively, such a surface may be sandblasted or knurled. Alternatively, an adhesion promoter can be arranged on such a surface. For example, this may be a two-component epoxy ester having a defined coefficient of friction and the desired slip resistance between adapters 4 . 5 and support spindle 2 guaranteed. The wakes 15 are each in a storage 7 the corresponding housing wall 6 the cleaning unit 1 added.

Preferred is one of the adapters 4 . 5 movably mounted in the axial direction and this adapter 4 or 5 is with an energy storage 12 , For example, a compression spring coupled. The energy storage 12 is preferred against the end face of a shaft 15 and against one on the housing wall 6 fixed bracket 11 supported.

At least one adapter 4 . 5 comprises a stop acting in the axial direction 18 for the carrier spindle 2 , The attacks 18 support the storage of the support spindle 2 on the cone-shaped adapters 4 . 5 by using a mismatched inner profile 19 or improperly used carrier spindle 2 at the same time an axial boundary is formed. Preferred is such a stop 18 completely on the circumference of the respective cone 9 arranged.

Preferred is with the second adapter 5 coupled wave 15 the drive 8th einspeisbar and the first with the other wave 15 coupled adapter 4 is with the energy storage 12 , For example, a compression spring coupled.

The detachable connection 10 preferably includes one in the support spindle 2 arranged groove 17 and a the carrier spindle 2 and the adapter 5 connecting driver 16 , The driver 16 is preferably a releasable connecting element, which in the radial direction, the support spindle 2 (groove 17 ) with the respective cone 4 . 5 combines.

alternative may be the connecting element as a pin or similar element be formed, which ensures the detachable connection.

1

cleaning unit

2

support spindle

3

cloth winding

4

first adapter

5

second adapter

6

housing wall

7

storage

8th

input drive

9

cone

10

releasable connection

11

bracket

12

energy storage (Compression spring)

13

cover surface

14

Floor space

15

wave

16

takeaway

17

groove

18

attack

19

internal profile

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 69611631 T2 [0002]
• EP 0676997 B [0003]

Claims (5)

Bearing arrangement for a cleaning unit in a printing press with a carrier roll carrying a cloth roll of a web-like cleaning cloth, wherein the cleaning unit for cleaning a substantially circular-cylindrical body of revolution, preferably a cylinder or a roller, is brought into contact with this and the cleaning cloth already with a cleaning liquid is impregnated or is still wetted, characterized in that the bearing arrangement depending on a first and a second cone-shaped, each with a housing wall in a ( 6 ) of the cleaning unit ( 1 ) shaft ( 15 ) coupled adapter ( 4 . 5 ) includes that the adapters ( 4 . 5 ) are arranged in mirror image to each other and each with a cone ( 9 ) at the front ends of the support spindle ( 2 ) with its hollow cylindrical inner profile ( 19 ) form a detachable coupling that at least on a shaft ( 15 ) of an adapter ( 4 . 5 ) a drive ( 8th ) can be fed and the one input ( 8th ) receiving adapters ( 4 . 5 ) by means of a releasable connection ( 10 ) with the support spindle ( 2 ) connected is. Bearing arrangement according to claim 1, characterized in that one of the adapters ( 4 . 5 ) is movably mounted in the axial direction and this adapter ( 4 . 5 ) with an energy store ( 12 ) is coupled. Bearing arrangement according to claim 1, characterized in that at least one adapter ( 4 . 5 ) a stop acting in the axial direction ( 18 ) for the support spindle ( 2 ). Bearing assembly according to claim 1 and 2, characterized in that with the second adapter ( 5 ) coupled wave ( 15 ) the drive ( 8th ) and the first with the other wave ( 15 ) coupled adapters ( 4 ) with the energy store ( 12 ) is coupled. Bearing arrangement according to claim 1, characterized in that the detachable connection ( 10 ) one in the support spindle ( 2 ) groove ( 17 ) and a support spindle ( 2 ) and the adapter ( 5 ) connecting carrier ( 16 ).