DE10139870C2 - Method and arrangement for gluing together printed sheet-like partial areas to form a total area - Google Patents

Description

The invention relates to a method for gluing together printed sheet-like partial areas to a total area, especially for gluing together printed poster eggs len to a large-format poster in which the chen with the visible side down to each other positio be fixed and then the connection sides glued together or from the back lapped together.

The invention further relates to an arrangement for glue together printed sheet-like parts into one Total area, especially for sticking together the print parts of a large format poster, consisting of from at least one transparent and with at least one egg a vacuum table provided with a position kidney of the sub-areas and a device for together glue the partial areas to a total area.

Methods and devices for gluing together posters  parts to large format posters are already known. So For example, EP 0 866 013 A2 describes a method for precisely fitting the edges of at least two printed poster sections, in particular an adhesive process for large, backlit posters in which the Paper surfaces placed on an adhesive table, aligned and on the back with an adhesive connection element. The first one is reduced paper surface with its back on a first tear placed on the surface and temporarily fixed on it. On a further carrier surface is trimmed to ver adhesive edges. Then the paper surface in one Fixed gluing position and a second paper surface is prepared accordingly on the gluing table. The ver adhesive cut edges of both surfaces are in the Kle position aligned and from the back with the Provide connecting element.

The application of the adhesive strips happens from below what has the advantage that it fits together perfectly individual pieces of paper checked by the operator can be. However, it can only be executed after the Check the adhesive to make sure that the adhesive strips are have been applied appropriately and have no wrinkles. The arrangement of the gluing device below the glue It is structurally complex, and it also makes it possible not the simultaneous sticking together of several paper surfaces chen. Only one edge of two surfaces can be together at a time be glued. Then you have to trim again and / or repositioned. The procedure is time time-consuming and costly, since many operations are manual  ell must be executed.

In other known adhesive methods, this is done together glue using a device that is above the glue arranged and spaced with adhesive rolls is permitted. The adhesive rolls are designed to be lowerable and stick the edges together from the back off, if necessary with a slight overlap of the ver binding sites. Here, however, is the printed front side not visible, so a review error free transitions of the individual parts of the poster during the Gluing process can not take place. Shifts in ge velvet image can therefore hardly be avoided. Either they have to Loss of quality due to positioning errors of the poster parts are accepted to each other or the whole Poster counts as a committee, which in turn is a significant one Brings cost and time factors.

Another known solution is disclosed in DE 195 41 186 C1. A manufacturing device is included in this property right device for posters and a method for assembling Described posters where the posters consist of several Poster segments are put together. this happens fully automatically by means of a manipulator, which is made of be provided poster boxes with the poster parts on one a vacuum device and optical detectors equipped the assembly table with the visible side down dated and then by means of one over the assembly table arranged gluing device glued on the back. A process computer controls all assembly steps.  

The disadvantage of this solution is the high design wall and the resulting high costs of both Device as well as the poster production, since the entire Manufacturing process from the provision of poster parts to to roll up the finished poster automatically follows.

It is therefore an object of the invention, a method and an arrangement of the type mentioned in the beginning wrap that error due to inexact positioning of the Partial areas in the overall print image are avoided that the Gluing the partial areas together without creases takes place the device is structurally simple and by at least partially automating the machining operations and time can be saved can.

According to the invention, the task is thereby procedural solved that initially all partial areas of a total area successively on a receiving surface in a predetermined position tion are placed, each sub-area separately at least in their edge areas by vacuum is fixed that corrections to the position of the faces to each other are possible that the total area che at least in the adhesive and edge areas with a Main vacuum is applied that in the further the or the gluing and / or trimming operations are carried out and that the fixation is then completely released.

Especially when using the method according to the invention  for the production of large-format posters for illuminated Automatic exchange machines can stick the poster parts together done very precisely. Adhesive edges remain so for the Be Trachten invisible and the overall impression of the picture is not due to inexactly glued poster part transitions disturbed.

According to the method, printed surfaces made of paper, pap pe, plastic films u. Ä. are processed. The areas can also be film-laminated on one or both sides sentence come.

Inaccurate positioning of the poster parts to each other and that The parts of the poster drift apart during gluing ganges is prevented by the fact that the pre-fixation Po changes in position when hanging up. The main vacuum ensures that during the gluing and trimming processes the poster parts adhere firmly to the support surface.

According to a preferred embodiment of the inventions The method according to the invention provides that before each Place a sub-area on its assigned positioning stops in the preset position will drive that after laying on this patch whose fore vacuum is switched on and then their bottom sitioning stops removed from the support area the while the positioning stops ner further partial area in the positioning position and that after laying on all sub-areas the total area is subjected to the main vacuum.  

This procedure ensures that the pla kate production carried out by only one operator who can put the poster parts in the exact position, the switching operations for positioning stops and Va triggers vacuum, operates the gluing device, cutting processes ge and the finished poster rolls up and down sets.

By gluing several together almost simultaneously The processing time is shortened compared to partial areas conventional procedures significantly.

It is also advantageous that all processing operations can be carried out on a support surface. The Transport of poster parts to other work stations eliminated. This allows additional support devices be saved, which also takes up less space contributes.

According to another advantageous embodiment of the inventions The method according to the invention provides that before the item the sides to be glued together be circumcised.

So that clean cut and adhesive edges are both at an overlapping glue as well as when gluing reached each other.

According to the invention it is further provided that the An stick together or overlap together ben of the sub-areas by automatically rolling out  transparent tape on the connecting sides both in the longitudinal direction (X direction) as well as transversely to it (Y- Direction).

This also saves working time and personnel, because the adhesive process or processes are automated.

If after gluing the sides of the total area can be trimmed, for example a tolerance nau large format poster can be made. The end trimming takes place on the same contact surface as all of them previous operations. The attachment can also be done here possible additional connecting parts are made, such as for example clip tapes for attaching another large format posters when used in change machines.

The invention is on the arrangement side according to the preamble of claim 6 in that the on support surface of the support table at least two in size of the sheet-like partial surfaces adapted partial contact surfaces has that each partial contact surface horizontally and / or vertically adjustable positioning stops has that Suction openings of the vacuum device in different Distribution are arranged in the support table and that vacuum optionally on partial support surfaces and / or on the support total area can be switched on.

The arrangement allows simple and safe handling ben of the partial areas of a poster and is constructive simple and inexpensive to set up. There can be partial areas any size and number can be processed.  

To ensure the exact positioning of the part Chen each other is provided according to the invention that on Support table Means for backlighting the support surfaces are arranged.

It is advantageous if at least in the support table a vacuum device is integrated and if the suction openings in the edge areas of the partial contact surfaces are arranged densely and in rows next to each other.

The vacuum device points over the entire contact surface distributed suction openings, in particular in the edge areas of the partial support surfaces, the suction opening openings are arranged close together, so that on the contact surface results in a grid that corresponds to the respective The format of the partial areas is adapted. On one edition Grids of different formats can be formed be so that by connecting the respective Va It is possible to fix variable formats. because in particular form a large part of the suction openings Marginal areas the main vacuum, which only then switched on is when all sub-areas are placed exactly that are.

According to the invention it is further provided that the bottom sitioning stops integrated in the support table and in corresponding recesses in the support table are retractable are ordered.

This simplifies the procedure. The hanging up  of the partial areas can be done faster because of the positions are specified. By sinking the positioning element mente is achieved that during the hanging up of others Partial corrections can be made without that the positioning elements interfere.

According to a further advantageous embodiment of the inventions arrangement according to the invention provides that the vertical Movements of the positioning stops are carried out automatically and that they unite for horizontal displacement Have groove-like passage in which an attachment screw is arranged.

This structurally simple and inexpensive solution carries nonetheless help to at least partially complete the procedure automated.

Due to the adjustability of the positioning stops in ver tical and horizontal direction is also possible Total areas from partial areas different or alternating producing different formats with the same arrangement.

To save further devices, the invention provided that the support table devices for loading cutting the edges of the total area. Thereby be these devices stand out from the bearing surface the cutting strips.

This version is also structurally simple and costly Cheap.  

To increase the flexible handling of the arrangement the vacuum device is designed such that the vacuum each partial support surface variably on and off is switchable.

So are position changes that are particularly during of placing several sub-areas behind and / or next to can make each other necessary in a simple way and can be realized quickly because all other sub-areas are in can be held in their original position. On It is also easy to replace defective areas Lich.

It is also an advantage if the size of the contact surface increases the size of the total area is adjusted.

This ensures that without any problems after gluing the edges are trimmed can.

The device known per se in essential features for gluing the sub-areas together, but before partial way especially to realize the inventions is suitable method consists of a portal-like frame with which a horizontal and vertical slidably arranged U-shaped frame is connected, on the adhesive roll units with transparent adhesive tape are arranged so that both stick together in Longitudinal direction and transverse to it.

The crossbar of the U-shaped frame is used as a carrier  beams designed for the adhesive roller units and the Adhesive roll units are primarily spaced apart riabel adjustable and lowerable.

To glue the faces together in the transverse direction is egg ne glue roller unit sliding along the beam arranged.

According to the invention it is also provided that the Vorrich a controller for gluing the sub-areas together unit that also has a single delivery each Adhesive roll unit allows and that the horizontal and vertical movements using electric motors and / or be carried out pneumatically.

The preferably specified device for gluing the partial surfaces together advantageously works as follows:
The adhesive roller units are adjusted according to the size and number of partial areas to be connected. The carrier bar is lowered and in this position the adhesive roller unit, which slides along the carrier bar, first carries out edge gluing in the transverse direction. At the same time, subsequent adhesive processes in the longitudinal direction follow. If further gluing in the transverse direction is necessary, the support bar is stopped and the glue roller unit performing the cross gluing is used again. In this way, the sticking together of any sub-areas can be controlled automatically. After the gluing process has been completed, the adhesive tape is cut off and the frame returns to its original position.

Due to the relatively long downtimes of the adhesive device is provided according to the invention, the same to be used early for at least two arrangements.

This can save further costs and the procedure Race process can be made more effective.

The inventive method and the inventive Arrangement should be based on a preferred below Embodiment are explained in more detail. The associated The drawing below shows in

Fig. 1 shows an arrangement according to the invention for Zusammenkle ben poster of parts to constitute a large-sized Pla kat in basic representation without adhesive device,

Fig. 2 is a plan view of FIG. 1,

Fig. 3, the support surface with a basic representation of the vacuum grid for a six-part poster

Fig. 4 shows the same contact surface with the basic Dar position of the vacuum grid for an eight-part poster and

Fig. 5, the gluing device in a schematic representation.

According to FIGS. 1 to 5, the arrangement for bonding together parts of a poster support table 1, which consists of four sub-tables 2 and arranged above the support table 1 adhesive device 3. Each of the subtables 2 consists essentially of a frame 4 , a statio nary platen 5 , controls 6 , 7 for setting the positioning stops 8 and the vacuum device 9 , which is arranged on one of the subtables 2 , but is connected to each of the subtables 2 , The Auflagplat ten 5 are made of three superimposed transparent polycarbonate sheets. The lower plate is used for introducing the suction or blowing air, the middle for air distribution and the upper one for placing and positioning the poster parts (not shown in the drawing).

For better positioning of the poster parts that are placed with the printed side down, and Ü the right overlap width of the Plakattei REVIEW le, the supporting plates by means beneath the on position of plates 5 arranged illuminating means illuminates (not shown in the drawing). 5

The vacuum device 9 is constructed and connected to a control unit (not shown) such that each of the poster parts can be sucked in or released separately. A preliminary and a main vacuum can be set via the control unit. The fore vacuum is only distributed over a large area over the entire area of a poster part, so that a subsequent correction of the position of the placed poster part is possible. It fixes each of the parts separately. The suction openings 10 are arranged accordingly distributed on the support plate 5 .

It can be seen from FIG. 2 that the suction openings 11 are arranged in tight rows, in particular in the edge regions of the poster parts. This achieves a significantly higher pressure force, which is necessary to prevent the edges that are glued to one another or overlapping from being able to drift apart during the gluing process. The main vacuum is used when all poster parts are placed in the exact position. It is switched on and off for all poster parts at the same time.

In FIGS. 3 and 4 is shown schematically how posters with different formats or of different dimensions can be machined parts of the poster means of an array. In Fig. 3, the support surface 12 is shown with activated vacuum for six sub-bearing surfaces 13. The same contact surface 12 is shown in FIG. 4 and shows a different combination of the activated vacuum for posters which are composed of eight parts.

The support table 1 has cutting elements in the form of cutting strips 11 , which surround the support surface 12 in its entirety and which are required for the edge assembly after the gluing process has ended.

The positioning elements 8 are designed to be adjustable both horizontally and vertically. The vertical adjustability is triggered by the control element 6 and executed automatically. The positioning elements 6 are either sunk into the support plate 5 either in the support plate 5 or in the positioning position over the support surface 12 projecting ren.

The horizontal adjustment is used to adjust the position elements with small deviations in the dimensions of the poster parts within the tolerance range. By means of a groove-like passage formed in the positioning element 8 and an inserted screw, the exact adjustment of the position elements can be carried out by hand.

The adhesive device 3 is shown in FIG. 5 has essentially of a portal-shaped base frame 14 which is horizontally arranged guide elements 15. About these Füh approximately 15 elements, the horizontal movement in the X direction of the adhesive device 3 is realized. With the guide elements 15 , a U-shaped frame 16 is connected, which also has guides 17 on its two vertical sides, which serve the vertical infeed movement in the Z direction of the frame 16 . The drive for the movement of the frame 16 takes place via electric motors, the drive for the horizontal movement in the X direction being able to implement various positions by using a servo motor.

The crossbar of the U-shaped frame 16 is formed as Trägerbal ken 18 for the releasable attachment of conventional Kleberol len units 19 at a preset distance to each other. These adhesive roller units 19 can be individually adjusted in their distance from one another (Z direction) and are further designed such that they can also be placed individually on the poster in a fine stroke. Another adhesive roller unit 20 is on the support beam 18 is arranged such that it can take over the sticking together of the poster portions in the Y direction on the support bar 18 to slide along and in the transverse direction.

An arranged control unit, not shown, controls the sequence of movements of the frame 16 and the adhesive roller units 19 , 20 .

The adhesive device 3 has such an outer shape and is arranged such that operators are only minimally restricted in their freedom of movement when working.

The procedure for gluing together individual parts of a poster to form a large-format poster with a high degree of accuracy and good quality is as follows:
After the poster parts have been printed, they are transported to a face cutter. Here the sides are trimmed, which are later glued to one another or slightly overlapping. The poster parts are then provided in an orderly order in racks in the immediate vicinity of the support table 1 .

The parts of the poster are now positioned precisely and with a predetermined overlap width against the positioning stops 8 in the positioning position, with the image surface downwards in succession on the transparent support plates 5 . Another tool for this is the illumination of the surface to make the overlap edge more visible. After placement, the parts of the poster are fixed individually using the fore vacuum. The positio nieranschläge 8 are moved into the platen 5, the same positioning stops 8 are placed for a further poster part in positioning position. Then another poster is put on. If the position of individual parts of the plate needs to be corrected, these can easily be done by hand. If necessary, the first auxiliary gluing is done manually using transparent adhesive tape in the outer areas of the poster.

If a poster is completely and precisely positioned, the main vacuum is switched on, especially the Adhesive edges of the poster parts fixed. Then follows gluing the parts.

For this purpose, the frame 16 with the support beam 18 is briefly lowered above the table height and a first edge gluing in the Y direction is carried out by the adhesive roller unit 20 . Finally, the adhesive roller units 19 are lowered onto the poster at the same time or one after the other or as required. The carrier bar 18 will proceed in the X direction, the adhesive roller units 19 overlap the overlapped edges of the poster parts with transparent adhesive tape. If the carrier bar 18 reaches an adhesive position for adhesive bonding in the transverse direction (Y direction) during this movement, the longitudinal movement (X direction) is stopped and the one adhesive roller unit 20 for the transverse direction (Y direction) is used. Then the gluing is continued in the longitudinal direction (X direction). These operations are repeated until the last edge bonding has been carried out. Then the tape is cut off and the frame 16 moves back upwards in the starting position.

Finally, the poster is finished, that is, trimming the edges, possibly that Sticking on clip tapes, executing further Si security bonds or the like and curling up or otherwise packaging the finished poster.  

LIST OF REFERENCE NUMBERS

1

support table

2

dividing table

3

gluer

4

frame

5

platen

6

operating element

7

operating element

8th

positioning

9

vacuum equipment

10

suction opening

11

cutting bar

12

bearing surface

13

Part supporting surface

14

base frame

15

guide element

16

U-shaped frame

17

guide

18

beams

19

Adhesive roller units

20

Adhesive roller unit

Claims (20)

1. Method for gluing together printed sheet-like partial areas to form a total area, in particular for gluing together printed poster parts to form a large-format poster, in which the partial areas are positioned and fixed with the visible side down to one another and then the connecting sides are glued or overlapping from the back are glued together, characterized in that first all sub-areas of a total area are placed one after the other on a support surface ( 12 ) in a predetermined position, each sub-area being fixed at least at least in its marginal areas by means of a vacuum so that the position of the sub-areas can be corrected to one another are that the entire area is then subjected to a main vacuum, at least in the adhesive and edge areas, that the adhesive and / or trimming processes are then carried out and that the fixation is then complete is resolved. 2. The method according to claim 1, characterized in that before each placement of a partial surface, its associated positioning stops ( 8 ) are moved into the preset positioning position, that after the placement of this partial area, the pre-vacuum is switched on and thereafter the positioning stops ( 8 ) from the Support area be removed, while at the same time the positioning stops ( 8 ) of a further partial surface are moved into the positioning position and that after placing all partial surfaces on the entire surface, the main vacuum is applied. 3. The method according to claim 1 and 2, characterized ge indicates that before positioning the sides to be glued trimmed be. 4. The method according to claim 1 to 3, characterized characterized that the clinging ben or overlapping gluing the Partial areas by automatically rolling out trans parent tape on the connecting sides both in the longitudinal direction (X direction) as well as transversely to it (Y- Direction). 5. The method according to claim 1 to 4, characterized ge  indicates that after the sticking together ben the edges of the total area are trimmed. 6. Arrangement for gluing together printed sheet-like partial areas to form a total area, in particular for gluing together printed poster parts to form a large-format poster, consisting of at least one transparent and provided with at least one vacuum support table for positioning the partial areas and a device for gluing the partial areas together to a total surface, characterized in that the support surface ( 12 ) of the support table ( 1 ) has at least two partial support surfaces ( 13 ) adapted to the size of the sheet-like partial surfaces, that each partial support surface ( 13 ) has horizontally and / or vertically adjustable positioning stops ( 8 ) has that suction openings ( 10 ) of the vacuum device ( 9 ) are arranged in different distributions in the support table ( 1 ) and that vacuum can be switched on as a whole on partial support surfaces ( 13 ) and / or on the support surface ( 12 ). 7. Arrangement according to claim 6, characterized in that on the support table ( 1 ) means for backlighting the support surfaces are arranged. 8. Arrangement according to claim 6 and 7, characterized in that in the support table ( 1 ) the at least one vacuum device ( 9 ) is inte grated and that the suction openings ( 10 ) in the edge regions of the partial support surfaces ( 13 ) are arranged closely and in rows next to each other are. 9. Arrangement according to claim 6 to 8, characterized in that the Positionieran strokes ( 8 ) in the support table ( 1 ) integrated and arranged in corresponding recesses in the support table ( 1 ) retractable. 10. Arrangement according to claim 6 to 9, characterized in that the execution of the vertical movements of the positioning stops ( 8 ) takes place automatically and that for the horizontal displacement of the positioning stops Ver ( 8 ) have a groove-like passage in which a fastening screw is arranged , 11. The arrangement according to claim 6 to 10, characterized in that the support table ( 1 ) has devices ( 11 ) for trimming the edges of the entire surface. 12. The arrangement according to claim 11, characterized in that the device for loading cutting the edges from the support surface encircle the cutting strips ( 11 ). 13. Arrangement according to claim 6 to 12, characterized in that the vacuum device ( 9 ) is designed such that the vacuum of each of the partial bearing surface ( 13 ) can be variably switched on or off. 14. Arrangement according to claim 6 to 13, characterized in that the size of the support surface ( 12 ) is adapted to the size of the total area. 15. Arrangement according to claim 6, characterized in that the device ( 3 ) for gluing the partial surfaces consists of a portal-like frame ( 14 ) with which a horizontally (X direction) and vertically (Z direction) slidably arranged U -shaped frame ( 16 ) is connected to the adhesive roller units ( 19 , 20 ) with transparent adhesive tape are arranged so that both sticking together in the longitudinal direction (X direction) and transversely to it (Y direction). 16. The arrangement according to claim 6 and 15, characterized in that the transverse web of the U-shaped frame ( 16 ) is designed as a support beam ( 18 ) for the adhesive roller units ( 19 ) and the adhesive roller units ( 19 ) in their distance are variably adjustable and vertically displaceable. 17. The arrangement according to claim 6 and one of claims 15 or 16, characterized in that for gluing the partial surfaces in the transverse direction (Y direction) is arranged on the support bar ( 18 ) along gliding roller unit ( 20 ) which is vertically displaceable is trained. 18. Arrangement according to claim 6 and one of claims 15 to 17, characterized in that the device ( 3 ) for gluing the partial surfaces together has a control unit which also enables a single infeed of each adhesive roller unit ( 19 , 20 ). 19. Arrangement according to claim 6 and one of claims 15 to 18, characterized, that the horizontal and vertical movement stops fe (X and Z direction) by means of electric motors and / or be carried out pneumatically. 20. The arrangement according to claim 6 to 20, characterized in that an adhesive device ( 3 ) is used simultaneously for at least two arrangements.