DE102005016468B4 - Method for the fully automatic conversion of a roll changer during production changeover on a rotary printing press - Google Patents

Abstract

The method involves conveying and reading in characteristic data of a new material roll (14) for a follow-up order into a control unit. The unit can access a roll replacing machine (01). Operating parameters of the machine are determined, which can be changed, as a function of the read in data of the new roll based on distance of support arms (10, 16) of the machine for the admission of a new roll, course introduction speed, web tension, roll arm twist, a following material course (32) of the new roll and adjusting the determined and or necessary operating parameters at the machine.

Description

The The invention relates to a method for the fully automatic conversion of a Reel changer during production changeover on a rotary printing machine.

The Conversion of a production order in a printing company requires et al a retooling all reelstands that are supplied to a rotary printing press. The reel changer usually becomes manual for those in the new production order required material rolls set up. A flying role change was so far only within a running production order possible, whereby in the reel changer similar material rolls were provided in succession, which were linked by appropriate bonding to a "continuous" material web.

The DE 44 35 429 A1 describes a web-fed rotary printing press with an adjustable reel splicer for receiving printing substrate webs with different widths. A control device supports the production change during the production of the printing press.

By the DE 40 00 746 C2 there is known a reel splicer for a printing press having means for spraying adhesive on a new roll.

The post-published DE 102 45 658 A1 discloses methods and apparatus for automatically supplying material to a printing press.

The US 4,967,974 describes a roll changer in which the beginning of a residual roll is wound up and secured by means of an adhesive device.

Of the Invention is based on the object, a method for fully automatic conversion a roll changer during production changeover on a rotary printing machine also to create with residual roles.

The The object is achieved by the Characteristics of claim 1 solved.

The particular advantages of the invention are that production with the follow-up order without major delays, so far by setting up the reel changer to another Material roll arise, can be continued. The unproductive up times for the reel changer can almost complete in this way omitted.

The Method is characterized in particular by the fact that no operator intervention at the reel changer during a production change are necessary and that the setting of the roll changer on the new roll of material already during the sequence of the last material roll of the expiring production carried out so that there is no time delay at the start of the new production. Mainly the procedure is used in the conversion of production from a narrow to a wide roll of material or vice versa, but it is also possible other role characteristics to retrofit automatically in the reel splitter using the procedure. for example must be used when converting to a new grammage and / or new material especially paper type, another web speed when moving a material web are set. With a new roll diameter must be a changed one Angle for a Rollenarmverdrehung selected become. For material rolls which are provided with an adapter, Other conditions must be observed when the roll of material rolls up. All of these conversion requirements can be achieved using the invention be carried out automatically.

The Method is in a preferred embodiment in an automated Roll logistics system with optional access to various Integrated roles. A control center of the roll logistics plant takes care of it a supply of all reel splicer of a rotary printing machine with material rolls. At a finished production, d. H. if only the last required material roll is needed is located in the reel changer, the data in the control center is a Follow-up orders already known, such as a new roll width and / or a new roll diameter and / or a grammage and / or Paper type of a new roll of material. Other specific parameters of the follow-up order if necessary, be integrated into the process.

Based a new roll width for a follow-up order, the method is exemplified below in its fundamentals described. A more detailed description will be given below with reference to the drawing.

A control unit, which can be integrated in the reel changer or in a control center, contains data and control programs about or for the reel changer, such as limits for roll widths to be processed, adjustment routines for the actuation of the support arms, adjustment of the web train speed and others. From the control unit are characteristics of the new material read in. The acquisition of the characteristic data can be detected by a barcode reader and automatically read into the controller of the reel splitter. These can be sent, for example, from the control center or encrypted on a bar code label, which is mounted on the roll of material.

in the considered example becomes from the special characteristic date of the new Roller width in the control unit in connection with the device data of the Reel changer determines a required distance of the support arms, and preferably automatically via set the scroll data set, and a signal for adjusting the Support arms released to the new roll width. Further operating parameters the reel changer can also in dependence be varied by the read characteristics. Are the brackets set to the distance determined by the control system takes place an automatic Aufachsen the new roll of material. The new roll of material is already Klebeborbet with an adhesive strip or the like.

The return The updated role data set can be done via a higher-level control system.

In dependence From the diameter of the new roll of material, which also from the Control unit was read in, there is a Rollenarmverdrehung in an adhesive position. The new roll of material is then accelerated. Now a role change takes place in principle in the same way, like a flying roll change during production. The material web the running roll of material is sealed along the new roll of material guided. Depending on the nature of the material role of the follow-up order can therefor a cheap one Speed can be determined by the control unit. By pressing the expiring Material web with an adhesive roll, which in an adhesive device is integrated, to the new roll of material, the bonding process triggered and the new material is taken from the old one. A discount knife is extended and still separates during the web run the old Material web from.

Of the further changeover is in progress continue with the new roll of material without the printing process stopped must become. After drawing in the new material web u.a. all surveillance and security elements are changed. The expert knows everyone here to be made settings changes and will adjust the conversion process accordingly without closer here must be addressed.

The Remaining role of the old, expired production order is now preferably pivoted to a position near the gluing device. The material web or the web beginning of the remaining role, the remaining length known is wound up and just before reaching the end of the rest of the banner An adhesive is applied to the remaining roll, so that when winding the rest of the flag this sticks to the remaining role and by pressing with the adhesive roller is secured. Subsequently, the remaining roll becomes automatic and returned to the logistics facility. The characteristics of this old roll of material or the remaining roll are known in the reel changer. These can be sent from the control unit to the control center or by means Barcode label can be placed on the remaining roll.

embodiments The invention are illustrated in the drawings and are in Following closer described.

It demonstrate:

1 a simplified view of a reel changer system with several reelstands during production changeover;

2 a reel changer during production changeover from a narrow to a wide roll of material;

3 the reel changer during production changeover from a wide to a narrow roll of material;

4 a side view of the roll changer in a schematic representation;

5 a detailed view of the roll changer before a production changeover;

6 a detailed view of a compound of the webs of a residual role and a new roll of material a follow-up order in the roll changer;

7 a detailed view of a separation of the web of the remaining role in the roll changer;

8th a detailed view of a connection of the webs in the roll changer;

9 a detailed view of securing a Restrollenanfangs of an expired roll of material in the roll changer;

10 the reel changer in side view in the state before a Ausachsen the remaining role.

In 1 is a reel splitter attachment for Supply of a rotary printing machine shown schematically in a view from above. Five reel changers 01 are exemplary integrated in a roll logistics plant, which also suitable logistics elements, such as a transport route 02 and a dolly 04 includes. In buffer areas 03 the roll changer 01 and directly at the reelstands 01 are narrow rolls of material 05 and wide rolls of material 06 stored. An unillustrated control center monitors and organizes the delivery of reelstands 01 with the required material rolls 05 ; 06 and sends characteristic data about the material roles 05 ; 06 to the respective reel changers 01 , The roll changer 01 are automatically converted to a follow-on production order. The essential steps of this conversion have already been explained above. Also from the following detailed description are those for a fully automatic production changeover on the reel changer 01 required process steps visible.

2 shows the reel splitter 01 in front view when converting the production to a follow-up order. The follow-up order differs from the currently processed production order especially in that a wider material roll is used. How out 2 can be seen, there is a running, narrow roll of material 08 in support arms 10 a first roller arm 12 the roll changer 01 , The collection of the material web of this roll of material 08 takes place in the direction of the illustrated straight arrow. A new, wider roll of material 14 was already, z. B. with a lifting device 15 , between two support arms 16 a second roller arm 18 conveyed on roller casters by agitating at least one drive. The direction of rotation of the new roll of material 14 is indicated by a rotation arrow. On the roll of material 14 is an adhesive strip 20 attached, which is used in a conventional manner for the connection of the new material web with the running material web.

In 3 is analogous to the representation in 2 a production changeover from a wide roll of material to a narrow roll of material. In this case, the material roll has expired 08 a larger width than the new roll of material 14 of the follow-up order. On the new roll of material 14 is again the adhesive tape 20 appropriate. It can be seen that between the two process steps the 1 and 2 an adjustment of the support arms 10 ; 16 is necessary, since at the two carrying positions material rolls 08 ; 14 be used with different width. Before or during the Aufachsen the new roll of material 14 So there is an adjustment of the support arms 16 of the second roller arm 18 on a narrower setting, while the support arms 10 of the first roller arm 12 opposite the 1 are set wider.

4 shows the reel splitter 01 in a schematic side view. The expiring roll of material 08 of the predecessor job is in the first roll arm 12 the roll changer 01 stored, which from the two, in the image plane behind one another supporting arms 10 is formed. The new roll of material 14 of the follow-up order is in the support arms 16 of the second roller arm 18 stored. The second roller arm 18 is pivoted in an adhesive position. On the new roll of material 14 is the tape 20 attached. An adhesive device 22 is pivoted in adhesive position, at the desired time with appropriate activation, the bonding of the web of the new roll of material 14 with the running material web 24 the roll of material 08 to be able to make. Before bonding, the new material roll 14 accelerated in the direction of rotation arrow. The material web 24 the expiring roll of material 08 is about guides 26 close to the new roll of material 14 past. If the tape 20 near the glueing device 22 arrives, the bond is by brief pressing of the expiring web 24 on the tape 20 initiated.

5 is a detailed view of the in 4 illustrated reel changer 01 , You can see it close to the new roll of material 14 along guided material web 24 the expiring roll of material 08 , In the rotational direction of the arrow, the adhesive strip approaches 20 the adhesive device 22 , To carry out the gluing, an adhesive roller must be used 28 on the new roll of material 14 be lowered.

The condition with lowered adhesive roller 28 is in 6 shown. The running material web 24 This will cause the adhesive strip 20 the new roll of material 14 pressed. The adhesive strip 20 separates from the roll of material 14 and the beginning of the roll of the new roll of material 14 is from the running material web 24 taken.

After a determined by the aforementioned control unit route or time after lowering the adhesive roller 28 becomes a tee-off device 30 , z. B. a discount knife 30 extended, which the material web 24 the expiring roll of material 08 separates like this in 7 is shown. The control unit can determine the correct time for the separation from preset values for the desired overhang of the expired material web 08 and automatically determine the process-dependent values of the web speed and the type of material used. If necessary, a higher web tension must be set by the control unit here for a short time in order to separate the material web cleanly.

8th shows the state after the roll or production change. A new material web 32 is now from the new roll of material 14 eingezo After the splice 34 there is still a remaining flag 35 on the material web 32 , The glueing device 22 will be swung back.

In the here described case of production change is the expiring roll of material 08 often not completely consumed. Unlike the flying reel change within a production cycle, where the expiring roll of material 08 is largely completely used up and only a technologically related remainder of the material on the expired roll of material 08 remains, therefore, not only the roller sleeve can be discarded during production change. Rather, an orderly removal and re-storage of the expired roll of material 08 required.

As in 9 represented, is a residual role 36 , which of the originally running material roll 08 corresponds with the roller arm 12 pivoted to an upper position in which the cut web start 38 the residual role 36 freely hangs down or is guided in the intended web guides. The glueing device 22 becomes an approach position to the remaining roll 36 brought. The length of the remaining web start 38 the residual role 36 may be from the distance of the blunting knife 30 from the roller bearing and the diameter of the residual roll 36 and / or their angle of rotation can be determined. From the control unit is now the required number of revolutions of the remaining role 36 determined to the web start 38 completely wind up. Just before the start of the course 38 is completely wound, for example, becomes an element 40 , z. B. an adhesive nozzle 40 or another suitable device that activates an adhesive on the remaining roll 36 spray or apply. When further winding the web start 38 this remains at the residual role 36 Stick and is by a repeated hiring the adhesive roller 28 fixed. The danger of a towing roundabout start 38 at the end of the roller rotation is eliminated. At the same time the web start disturbs 38 not anymore when removing the residual roll 36 and during their transport to a storage position.

In 10 became the residual role 36 with the roller arm 12 after sticking the web start 38 pivoted to a lower position where it is automatically aligned and then returned to the roll logistics facility. Since the control unit, the length of the pasted web start 38 is known, the residual role 36 be accurately positioned for further transport. In 10 is that of the pasted web start 38 covered surface portion represented by hatching. This area can, for example, in a further embodiment, be selectively turned down to the remaining roll 36 in this area to put on the means of transport. This avoids damage to a still usable material web and re-axleing of the remaining roll 36 to use the material still available, the position of the web start 38 be determined automatically. With the transfer of the rest roll 36 can be the control unit of the reel splitter 01 the characteristic data of the residual role 36 send to the roll logistics facility and / or print on a barcode label which is on the remaining roll 36 is attached.

01

reelstands

02

transport distance

03

buffer area

04

Dolly

05

Material roll. narrow

06

Roll of material, wide

07

08

Roll of material, going down

09

10

Beam

11

12

roller arm, first

13

14

Roll of material, New

15

lifting device

16

Beam

17

18

roller arm, second

19

20

tape

21

22

gluer

23

24

Material web ( 08 )

25

26

guide

27

28

bonding roller

29

30

cutting device, chopping knife

31

32

Material web ( 14 )

33

34

splice

35

rest flag

36

residual role

37

Web start ( 36 )

38

39

40

Element, gluing nozzle

Claims (9)

Method for the fully automatic conversion of a roll changer ( 01 ) for production conversion on a rotary printing machine while the reel changer is in operation ( 01 ), the following steps during the course of a last roll of material ( 08 ) of a production order: - transmission of the characteristics of a new material role ( 14 ) from a control station of an automated roll logistics system to a control unit of the roll changer ( 01 ); - Import of characteristic data of the new material roll ( 14 ) for a follow-up order in a control unit, wherein the control unit in addition to general device data of the reel splitter ( 01 ) can access; Determining at least one operating parameter of the roll changer to be changed ( 01 ) depending on the read-in characteristics of the new material roll ( 14 ) from the following group: - distance of the support arms ( 10 ; 16 ) of the roll changer ( 01 ) for receiving the new roll of material ( 14 ), - Bahneinzugsgeschwindigkeit, - web tension, - Rollenarmverdrehung for the bonding process between the running material web of the last roll of material ( 08 ) and the following material web ( 32 ) of the new roll of material ( 14 ); - setting of the determined and / or required operating parameters on the reel changer ( 01 ); - Aufachsen the new roll of material ( 14 ); - accelerating the new material roll ( 14 ); - Initiation of the bonding process; and wherein further steps take place after the roll change has taken place: cutting off the material web of the last roll of material ( 08 ); - securing a web beginning ( 38 ) of the last material roll ( 08 ) or the residual role ( 36 ) by attachment to this roll of material ( 08 ) or residual role ( 36 ); - Return of the updated roll data record of the last material roll ( 08 ) or residual role ( 36 ). Method according to claim 1, characterized in that the characteristic data of the new material roll ( 14 ) are encrypted on a bar code label which is attached to the new roll of material ( 14 ) and that this data is available upon delivery of the new roll of material ( 14 ) is detected by a barcode reader and automatically transferred to the control unit of the reel splitter ( 01 ) are read. Method according to one of claims 1 or 2, characterized in that the characteristics of the new roll of material ( 14 ) the width of the new roll of material ( 14 ), and that as operating parameters a distance of the support arms ( 10 ; 16 ), which before the Aufachsen the new roll of material ( 14 ) on the roll changer ( 01 ) is automatically set via the scroll data set. Method according to one of claims 1 to 3, characterized in that the characteristics of the new roll of material ( 14 ) the roll diameter of the new roll of material ( 14 ), and that a roll carrier twist which correlates with the gluing position is determined from the roll diameter. Method according to one of claims 1 to 4, characterized in that the characteristics of the new roll of material ( 14 ) the grammage and / or paper grade of the new roll of material ( 14 ) and, in dependence thereon, determines a speed for the web feed during the bonding and the new roll of material ( 14 ) is accelerated to this speed before the gluing process. Method according to one of claims 1 to 5, wherein the securing of the web catch ( 38 ) of the last remaining roll ( 36 ) comprises one or more of the following substeps: - determining the length of the web start ( 38 ); Determining the necessary number of revolutions of the last remaining roll ( 36 ) for winding the web start ( 38 ); - Positioning the roller arms ( 12 ; 18 ) to the web beginning ( 38 ) to be able to wind up; - winding the web start ( 38 ) by driving the roller cone; - Applying an adhesive before the beginning of the web ( 38 ) is completely wound around the inside of the web start ( 38 ) with the surface of the last remaining roll ( 36 ) to glue; - fixing the web start ( 38 ) by pressing on the last roll of material ( 36 ) in the area of the applied adhesive. A method according to claim 6, characterized in that the adhesive by means of an adhesive nozzle ( 40 ) on a surface portion of the last remaining roll ( 36 ) is sprayed on, which at the complete winding of the web start ( 38 ) is covered by this. Method according to claim 6 or 7, characterized in that the length of the web start ( 38 ) from the distance between a blotter ( 30 ), which the running material web ( 24 ) in the reel changer ( 01 ), and the last remaining role ( 36 ) is determined. A method according to claim 8, characterized in that in determining the distance of the remaining at the moment of cutting remaining diameter of the last remaining roll ( 36 ) is measured or calculated and taken into account.