DE202004011543U1 - Feed- or output table for printing machine has thin upper and lower panels which are held together by lightweight, e.g. honeycomb structure - Google Patents

Abstract

The feed- or output table for a printing machine has thin upper and lower panels (1, 2) which are held together by a lightweight structure (3). This may be a foam, honeycomb or corrugated structure.

Description

The Invention relates to a support element, in particular a Stacking board for stacking printed sheets.

such Support elements are used in particular in manual Loading and unloading smaller stacks of sheets in a sheet-processing machine Machine, in particular printing machine. Used as stacking boards Can support elements on a sheet stack already in the printing press be put on and enable a subdivision of the corresponding sheet stacks.

The The invention has for its object to provide solutions in the context of the use of sheet-bearing support elements sheet-processing machines, especially when used as a stacking board, Offer advantages.

This The object is achieved by a support element for receiving sheet stacks one for sheet support provided sheet support zone and a support element underside facing away from this zone has, wherein between the sheet support zone and the support element underside Coupling structures are designed in lightweight construction.

Thereby it becomes possible in an advantageous way one for receiving arcuate Materials provided to create stacking board that with high Dynamics and reduced power in a sheet processing Machine can be inserted. Due to the low weight of the Stacking boards can quickly and sensitively in a delivery area be introduced.

Preferably the support element is so lightweight that this can be handled manually by a few people.

Preferably one or more layers of material are provided in the area of the underside of the support element, which is designed such that it largely under tensile load is or are rigid. Structures are preferably in the area of the sheet support zone provided that directed parallel to the main plane of the support element Take up pressure loads in the component with high rigidity.

Preferably numerous cavities surrounded by load-bearing walls are formed in the support element. These walls can as walls of foam pores, or as through ribs, webs defined walls formed.

Preferably is the support element both in the area of the sheet support zone and also in the area of the underside from a thin tensile or Pressure-resistant layer made, these layers through that coupling structure are connected to each other in a between the train / and pressure-resistant layers defined space.

Preferably the coupling structure consists of a foam material, in particular PU foam, or a metal or glass foam. It is also possible that Coupling structure through hard paper - especially aramid paper structures for example in the form of aramid paper honeycombs.

The Support element can also by other composite materials and Lightweight materials can be realized, especially materials from the families of thermoplastics, formaldehyde resins, thermosets suitable.

It is possible, to manufacture the coupling structure from a honeycomb material. This Honeycomb material is preferably integrated into the support element in such a way that honeycomb caverns are essentially perpendicular to the main plane extend the support element. The coupling structure can also be through Combination of foam, honeycomb and / or rib structures realized his.

Preferably is the support element in the area of its sheet support zone and just trained. However, it is also possible in the area of the sheet support zone to form a cavern structure so that the sheet material only in the areas surrounding the respective caverns or grooves, the support element contacted.

The Coupling structure can also be made from thin coupling ribs his. These coupling ribs can corrugated sheet or web-like between the typically to Force applied to the side areas of the stacking board extend. Suitable profiles, can be made by winding, folding, pulling or extrusion. The corresponding structures preferably extend in one Orientation in which this for a typical load offer a high load capacity.

According to a particularly preferred embodiment of the invention, the support element is provided with an edging. This border is preferably made from an extruded profile. The cross section of the extruded profile is preferably coordinated in such a way that an advantageous introduction of force into the tensile and compression-resistant cover layers results. The rigid layers are in front preferably coupled with the edging. The coupling can be accomplished in particular by countersunk rivets, screws, pins, adhesive surfaces and / or welded connections. The border can be limited to the edge zones that are typically to be gripped when handling the support element. It is also possible to form the border all around. The profile cross-section of the respective border can be chosen differently for different circumferential zones.

The Edge edging, or the support element itself can be structured be provided, which is a particularly advantageous manual / machine grip and / or allow recording of the support element. In particular, can the border and or the support element with handle openings or be provided with one or more recessed grip sections, so that the support element without reaching under the support element underside can be lifted off a stack of sheets and otherwise can be handled safely.

The The support element is preferably dimensioned such that its thickness is in the range of 1.4 to 5.2% of its width.

The Support element can in particular by different handle structures fingerholes and recessed grips can be designed so that this is advantageous manually abruptly against and / or sheet travel direction (non-stop operation} can be accelerated.

The Support element can be designed such that it has a recess provides in the form of a groove, a fold or a tubular spar for Import of a fork or the inclusion of a rake, or bars, profiles or another under-gripping member of a lifting device or stack dividing device. This makes it possible to to place a sheet stack on the support element, its own weight the manual load capacity of a user. The support element is therefore particularly suitable for one temporary Use in non-stop operation or for temporary support on auxiliary rails. The The edging of the storage element is preferably coordinated that this is advantageously guided through the auxiliary rails mentioned.

The Support element can be included in a data exchange Information carrier device be provided to keep ready with regard to what is stored thereon Sheet stack indicative data. This information carrier device can at a location protected by the cover layers or the edging profile material of the support element. In the area of the support element can be provided an interface device through which a corresponding data transfer can be carried out bi- or unidirectionally. This interface is preferably an IR interface or blue tooth Interface or designed as another wireless interface. Can on this storage device an identification number and in particular with regard to the properties of the substrate indicative data or data collected from the printing process become. It is possible, a corresponding data transfer as part of the sheet assignment or of the sheet deduction. In particular, however, on the storage device not exclusively an identification number of the support device as well as regarding of the customer order as well as the further processing of the printing material relevant information as food or pharmaceutical packaging and / or sheet observation information, in particular for quality documentation for the Process data relevant to end customers are saved.

Further Details and features of the invention emerge from the following Description in connection with the drawing. It shows:

1 a simplified perspective view for explaining the structure of a support element according to the invention;

2 a sectional view for explaining the structure of the support element in the edge region thereof;

3a a sketch to explain an alternative edge design in which the tension-resistant layers extend to the edge of the support element;

3b a sketch to explain a variant in which the tension-resistant layers are formed by thicker, edged plate structures;

4 a sketch for explaining a cross-sectional concept for a sheet storage element which is formed from a longitudinal structure forming support structure and a foamed filler thereon;

5 a sketch to explain a cross-sectional concept for a sheet storage element that is similar to the variant according to 4 is formed from a supporting structure forming longitudinal beads and a filling body foamed onto it, a tensile layer being provided in the bottom region of the storage element;

6 a sketch to explain a cross-sectional concept for a sheet storage element which has a core structure forming a longitudinal web and extending between the top and the bottom, this core structure being embedded in a foam body;

7 a sketch to explain a possible edge design in a sheet storage element with a longitudinal web core body;

8th a sketch to illustrate a recessed grip with a rounded grip surface in the region of the recess by using the material initially present in the grip hole area;

9 a variant of the sheet support element with large honeycomb core, in particular for production from paper, cardboard, hard paper;

10a a sketch to explain another edge variant of a support element with a grip projection;

10b a sketch to explain a way to provide the grip projection according 10a ;

11 a concept sketch to explain a variant of the sheet support element in which mutually transversely arranged bead structures are coupled to one another, in particular materially connected, for example glued or glued.

1 shows simplified a support element that a sheet support zone provided for sheet support 1 and one of these top 1 facing underside of the support element 2 has, the support element both in the area of the sheet support zone 1 as well as in the area of the underside of the support element 2 each made from a thin, tension and compression resistant layer 1a . 2a is manufactured and these rigid layers 1a . 2a through a coupling structure 3 are connected to each other in one between the tensile layers 1a . 2a defined space extends.

The coupling structure 3 is made of a foam or honeycomb material in this embodiment. The support element 1 is implemented in sandwich construction.

The support element is with a border 5 provided, this edge border is designed in cross section so that it has a recessed grip section 6 provides. The tension and compression resistant layers 1a . 2a are with the edging 5 coupled. The edging 5 is made from an extruded profile in this exemplary embodiment and is of such a lightweight construction that it can be handled and transported manually at least in the unloaded state.

The support element is in the area of the edging with a tubular spar section 7 provided, which is dimensioned such that a stacker fork or rake tine can be inserted into it.

How out 2 the rigid layers are visible 1a . 2a so with the edging 5 coupled that over this edging 5 an advantageous force introduction is made possible. The edging 5 can be designed in cross section so that the support element also in the connection area of the tension-resistant layers 1a . 2a is essentially flat or has a predetermined geometry. The edge border can also be designed in such a way that it enables the support element to be guided on the sheet-processing machine.

In 3a is a variant of the edging shown in which the tension-resistant layers 1a . 2a on the edging 5 are placed and down to an edge area of the border 5 extend into it.

3b shows a detailed sketch to explain a variant in which the rigid layers 2a are made of a somewhat thicker material, for example plywood material. The material, especially plywood material, is from a profile section of the edging 5 encompassed. In the area of this profile section, micro-profiles can be provided that couple the edge edging 5 support with the (plywood) material. The coupling can be supported by adhesive and, if necessary, additional connecting means.

The Top of the support element and / or the bottom of the same can be provided with coatings or profiles in terms of contact with someone on or below Prove substrate or substrate to be advantageous. In particular is it possible that support element according to the invention to be equipped with a Teflon layer on both sides.

It is possible, in the support element rollers, wheels or integrate balls through which a particularly smooth pushing off a printing material stack lying on the support element is made possible. These rolling stock can supported in bearing sections be through the support element, in particular longitudinal webs be provided.

The support element according to the invention is particularly suitable for the display of sheet-processing machines, in particular sheet-fed offset machines, as a non-stop insert, or as a support element or table for parcel operation. The rigid top layers can be made of wood, metal or Plastic, in particular fiber-reinforced thermosets, paper, hard cardboard, corrugated cardboard, thermoplastics or calender sheets.

4 shows a variant in which a tensile and longitudinal beads layer 2 B to the top of the support element with an enveloping body 33 is provided. This envelope 33 can be made in particular from a relatively pressure-resistant foam or honeycomb material.

5 shows a variant with several tension and compression resistant layers 2a . 2 B . 1a , the location 2 B as a longitudinally profiled body between the top layers 2a . 1a extends. In the area adjacent to the sheet support zone, between the layers 1a and 2 B enclosed cavity is a foam material section 33b educated.

In the variant according to 6 is the tension and compression resistant position 2 B also longitudinally profiled and both to the top of the support element and to the bottom thereof in an envelope 33 embedded.

In 7 is shown as a sketch, like an edge structure that closes the forehead area that runs transversely to a longitudinal profile 34 with the longitudinally profiled layer 2 B can be coupled. The longitudinally profiled location 2 B is for this with an incision 35 provided in which the edge structure 34 is inserted in sections. This enables the introduction of force, which is advantageous from a structural mechanical point of view. In the area of the joint there can be an adhesive bond or other connection between the edge structure 34 and the longitudinally profiled position.

In 8th a finger hole variant is shown, as it is particularly in the edge structure in the variants according to the 5 . 6 and 7 can be provided. The grip hole shown 36 is with a finger rest 37 provided, which is formed by stamping the material section exposing the grip hole.

In 9 A honeycomb core variant of the support element according to the invention is shown, in which a honeycomb core structure 40 between the layers 1a . 2a is included. The locations 1a . 2a run into an edge structure 34 out. The edge structure 34 is with finger holes 36 according to 8th Mistake. There is a storage device in the corner area of the support element 41 used via which data relevant for the printing material stored on the storage element can be stored. A corresponding data transfer can take place while the storage element is located in the sheet-processing machine.

10a shows a further variant of the edge region of a storage element according to the invention. The edge area is designed in such a way that it provides a free space that allows a grip under a sheet stack. A grip bead can be placed in this free space 37b be designed to prevent slipping when gripped manually. The edge area can be brought together by merging the layers 1a and 2a be formed, whereby a favorable introduction of tensile force into the lower layer 2a is achieved. The edge area can be dimensioned with respect to the width b in such a way that a forklift fork or other typical floor conveyor structure can intervene under it.

In 10b is shown as an example of how the grip bead 37b immediately out of position 2a can be manufactured. In a position 2a For this purpose, a pattern of cuts and folds has been prepared, which makes it possible to fold the handle by folding and folding 37 erect from the initially flat material layer and fix it in the erected position. A suitable fixation structure is shown here only as an example as a puzzle ear.

In 11 A concept for forming a support element is shown as an example, in which shaft structures that run transversely to one another and have trapezoidal cheeks are coupled to one another, in particular glued. This concept makes it possible in a particularly advantageous manner to manufacture a support element according to the invention from a paper or cardboard material, in particular corrugated cardboard. the material is profiled in such a way that both the top layers 1a . 2a , as well as the wall sections running between these 1b . 2 B to be provided.

1

Arch support zone

2

Support element underside

3

coupling structure

1a

location

2a

location

1b

wall section or location

2 B

wall section or location

5

edging

6

Recess portion

7

Tubular spar section

33

enveloping body

33b

Foam material portion

34

edge structure

35

incision

36

handle hole

37

finger catwalk

37b

a handle,

40

Honeycomb structure

41

memory device

b

width

Claims (13)

Support element for receiving sheet stacks the one sheet support zone provided for sheet support ( 1 ) and one facing away from this zone and from the sheet support zone ( 1 ) spaced underside of the support element ( 2 ), with between the sheet support zone ( 1 ) and the underside of the support element ( 2 ) Coupling structures ( 3 ) are of lightweight construction. Support element according to claim 1, characterized in that the support element both in the area of the sheet support zone ( 1 ) as well as in the area of the underside of the support element ( 2 ) each from a thin layer that is resistant to compression or tension ( 1a . 2a ) is made and these rigid layers ( 1a . 2a ) through the coupling structure ( 3 ) are connected to each other in a position between the compression or tension-resistant layers ( 1a . 2a ) defined space. Support element according to claim 1, characterized in that the coupling structure ( 3 ) consists of a foam or honeycomb material Support element according to claim 1, characterized in that the coupling structure of in particular thin coupling ribs e.g. Corrugated sheet metal sections exist. Support element according to at least one of claims 1 to 4, characterized in that the tension-resistant layers ( 1a . 2a ) are made from an aluminum sheet material. Support element according to at least one of Claims 1 to 5, characterized in that the rigid layers ( 1a . 2a ) are made of a fiber and / or fabric reinforced plastic material. Support element according to at least one of claims 1 to 6, characterized in that the support element with an edge border ( 5 ) is provided Support element according to at least one of claims 1 to 7, characterized in that the edge border ( 5 ) a recessed grip section ( 6 ) includes Support element according to at least one of claims 1 to 8, characterized in that the rigid layers ( 1a . 2a ) with the border ( 5 ) are coupled. Support element according to at least one of claims 1 to 9, characterized in that the edge border ( 5 ) is made from an extruded profile. Support element according to at least one of claims 1 to 10, characterized in that the support element is lightweight is executed that this can be handled manually. Support element according to at least one of claims 1 to 11; characterized in that the support element has a groove, rebate or tubular beam section ( 7 ) for the import of an organ intended for stack lifting. Support element according to at least one of claims 1 to 12, characterized in that the support element with an information carrier or electronic storage device (which can be included in a data exchange) ( 41 ) is provided to keep indicative data such as date, time, specific sales order or job or process data available with regard to the sheet stack stored on it.