DE102004052762B4 - Apparatus for applying an adhesive tape to a printing paper roll for the preparation thereof for a flying reel change - Google Patents

Abstract

contraption (10) for applying an adhesive tape (12) to a printing paper roll (16) for preparing the printing paper roll (16) for a flying reel change, with a holder (11) for unwinding the adhesive tape (12) of an adhesive tape roll, with a holder (13) for winding a protective tape to be peeled off from the adhesive tape (12) (14) or masking tapes, and with an applicator roll (15) for application of the adhesive tape (12) onto the printing paper roll (16) to be prepared by a stripping device (17), which when applying a first Side of the adhesive tape (12) on the printing paper roll (16) and the simultaneous removal of the protective tape (14) or cover bands of a second side of the adhesive tape (12) in such a way to the applicator roll (15) it can be adjusted that one end (18) of the stripping device (17) between the adhesive tape (12) and the protective tape (14) or masking tape insertable is.

Description

The The invention relates to a device for applying an adhesive tape on a printing paper roll to prepare the same for a flying reel change according to the preamble of claim 1.

Out EP 0 640 545 A1 An apparatus for applying an adhesive tape to a printing paper roll in preparation for a flying reel change is known, wherein a holder for unwinding an adhesive tape from an adhesive tape roll and a holder for winding a deducted from the tape protective tape is provided. Furthermore, an applicator roll for applying the adhesive tape is arranged on the printing paper roll to be prepared.

The EP 1 283 184 A2 discloses a method and apparatus for preparing a printing paper roll for a flying reel change. According to the method disclosed therein, to prepare a printing paper roll for flying reel change, a roll top thereof is repelled, and then a double-sided adhesive tape is unwound from a roll of adhesive tape and applied to a first adhesive side to form a splice on the printing paper roll via an adhesive tape applicator , At the same time a protective tape or masking tape is removed from the adhesive tape from the second adhesive side of the adhesive tape, wherein the peeled guard band or masking tape is wound on a corresponding holder. After the adhesive tape with the first adhesive side has been applied to the printing paper roll to form the splice, according to the prior art EP 1 283 184 A2 a piece of the struck roll beginning separated and turned paper web start so formed that the paper web start is brought in sections overlapping with the liberated from the protective tape or masking tape, the second adhesive side of the adhesive tape. Accordingly, the second adhesive side of the adhesive tape is partially covered by the folded paper web beginning, a subsequent section of the second side of the adhesive tape remains free and serves to connect a paper web end to be replaced by the prepared printing paper roll during the flying reel change printing paper roll. When the roll is replaced, the splice provided by the first adhesive side of the adhesive tape is then severed to ensure proper unwinding of the prepared printing paper roll.

At the Apply the adhesive tape to the printing paper roll with the first one adhesive side of the adhesive tape and at the same time pulling off of the protective tape from the second adhesive side of the adhesive tape is the problem that due to the peeling off the protective tape or masking forces occurring through the first adhesive Side of the tape provided splice prematurely separated and get damaged can. In case of a damaged one Splice is at risk of being prepared while accelerating Printing paper roll on production speed of the paper web start releases from the printing paper layer positioned underneath. This must to guarantee a proper flying reel change be avoided.

Of these, Based on the present invention, the problem is based a novel device for applying an adhesive tape to a printing paper roll to prepare the same for to create a flying role change.

This Problem is solved by a device for applying an adhesive tape on a printing paper roll to prepare the same for a flying roles change according to claim 1 solved. The device according to the invention has a scraper, which when applying a first Side of the adhesive tape on the paper roll and at the same time Peel off the protective tape or masking tape from a second side of the adhesive tape can be adjusted to the applicator roll such that one end of the stripper between the tape and the Protective tape or masking tape insertable is. In employed to the applicator roll state is the stripping with bias on the applicator roll and pushes the withdrawn from the tape Protective tape or masking tape to the applicator roll.

For the purposes of the present invention, it is proposed to associate with the device known from the prior art for applying the adhesive tape to a printing paper roll for preparing the same for a flying reel change a stripping device when applying the first side of the adhesive tape to the printing paper roll and the simultaneous removal the protective tape from the second sides of the adhesive tape to the applicator roll is adjustable. The stripping device assists in separating the protective tape or cover band from the second side of the adhesive tape and at least partially absorbs the forces occurring when the protective tape or covering tape is removed. The forces acting on the adhesive tape when the protective tape or covering tape is removed are therefore reduced and the splice provided by the first adhesive side of the adhesive tape is relieved, so that damage to the same can be avoided.

in the The purpose of a method is the tape from a roll of adhesive tape unwound and deducted from the tape guard tape or Masking tape is wound up, the tape over a Application roller applied to the paper roll to be prepared is, and wherein when applying a first side of the adhesive tape on the paper roll and the simultaneous removal of the protective tape or masking tapes from a second side of the adhesive tape a stripping device is made to the applicator roll such that one end of the stripping is inserted between the tape and the protective tape or masking tape.

preferred Further developments of the invention will become apparent from the dependent claims and the following description.

One embodiment The invention will be explained in more detail with reference to the drawing. Showing:

1 : a schematic representation of an apparatus for applying an adhesive tape to a printing paper roll for preparing the same for a flying reel change in a first state;

2 : a schematic representation of an apparatus for applying an adhesive tape to a printing paper roll to prepare the same for a flying reel change in a second state;

3 : an enlarged detail of the illustration according to 2 ;

4 FIG. 2 is a schematic illustration of a device for applying an adhesive tape to a printing paper roll for preparing the same for a flying reel change in a third state; FIG. and

5 : an enlarged detail of the illustration according to 4 ,

Hereinafter, the present invention will be described with reference to FIG 1 to 5 described in more detail.

1 to 5 show a preferred embodiment of an apparatus for applying an adhesive tape on a printing paper roll to prepare the Druckpa pierrolle for a flying role change. Such a device for applying the adhesive tape to the printing paper roll can be part of the in EP 1 283 184 A2 be described overall apparatus for preparing the printing paper roll for the flying role change.

An inventive device 10 for applying an adhesive tape 12 on a printing paper roll 16 has a holder 11 for an adhesive tape roll, of which a double-sided adhesive tape 12 can be deducted. That of the holder 11 peeled off adhesive tape 12 thus has two adhesive sides, namely a first adhesive side and a second adhesive side, wherein on the second adhesive side of a protective tape 14 or masking tape is applied. When applying the of the attitude 11 withdrawn adhesive tape 12 on a printing paper roll 16 becomes the masking tape or guard band 14 from the second adhesive side of the tape 12 pulled off and put on a holder 13 for the protective tape 14 or masking tape wound. Applying the adhesive tape 12 on the printing paper roll 16 done using an applicator roll 15 that on the printing paper roll 16 adhesive tape to be applied 12 on the printing paper roll 16 suppressed.

When applying the double-sided adhesive tape 12 on the printing paper roll 16 becomes the device 10 from a front side of the printing paper roll 16 to the other end of the printing paper roll 16 moved, in which case on the one hand the first adhesive side of the adhesive tape 12 on the printing paper roll 16 is pressed and simultaneously from the second side of the adhesive tape 12 the protective tape 14 or masking tape removed and on the holder 13 is wound up.

To prevent now when applying the first adhesive side of the adhesive tape 12 on the printing paper roll 16 and at the same time peeling off the protective tape 14 from the second adhesive side of the tape 12 the splice provided by the first adhesive side is damaged, the device has 10 via a stripping device 17 , The stripping device 17 is when wearing the first adhesive side of the tape 12 on the printing paper roll 16 and at the same time peeling off the protective tape 14 from the second adhesive side of the tape 12 such to the applicator roll 15 Employable that a free end 18 the stripping device 17 between the tape 12 and that from the tape 12 protective tape to be peeled off 14 is introduced. The stripping device 17 is about a cylinder 19 , which is preferably designed as a pneumatic cylinder, in such a way to the applicator roll 15 adjustable that the end 18 the stripping device 17 with preload on the applicator roll 15 and so on the tape 12 removed protective tape 14 to the applicator roll 15 presses. When removing the protective tape 14 from the second side of the tape 12 This will put you through the first side of the tape 12 provided splice between the tape 12 and the printing paper roll 16 acting forces through the scraper 17 intercepted so that ultimately a smaller force is exerted on the splice. This will increase the risk of damage to the first adhesive side of the adhesive tape 12 Minimized deployed splices.

It is also within the meaning of the present invention that the stripping 17 only at the beginning of the application of the first side of the adhesive tape 12 on the printing paper roll 16 to the applicator roll 15 is hired. To show 2 and 3 the initial position of the device 10 on an end face of the printing paper roll 16 when applying the adhesive tape 12 on the printing paper roll 16 ; 4 and 5 show the device 10 in a second position, in which the same in the direction of the arrow 20 slightly relative to the printing paper roll 16 was moved. Only when applying this first section of the adhesive tape 12 on the printing paper roll 16 becomes the scraping device 17 namely, the free end 18 the same, to the applicator roll 15 hired. This is followed by the stripping device 17 from the applicator roll 15 switched off. So it is within the meaning of the present invention, the stripping 17 only when applying the first 30 to 60 mm of the adhesive tape 12 on the printing paper roll 16 to the applicator roll 15 to hire. Preferably, after the application of the first 40 mm of the adhesive tape 12 on the printing paper roll 16 the Abstreifein direction 17 namely, the free end 18 same, from the applicator roll 15 switched off.

The stripping device 17 namely, the free end 18 the stripping device 17 , which at the applicator roll 15 comes with bias to the plant, is formed of a spring plate. Preferably, the free end 18 designed as spring steel sheet.

For the purposes of the present invention, it is therefore proposed that according to the prior art EP 1 283 184 A2 a known apparatus for applying an adhesive tape to a printing paper roll for preparing the printing paper roll for a flying reel change assign a stripping device that supports the removal of the adhesive tape from the printing paper roll. As a result, damage to a splice provided by the adhesive tape on the printing paper roll to be prepared during removal of the protective tape from the adhesive tape is avoided.

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contraption

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bracket

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duct tape

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bracket

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protective tape

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applicator roll

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Printing paper roll

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stripping

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The End

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cylinder

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Claims (6)

Contraption ( 10 ) for applying an adhesive tape ( 12 ) on a printing paper roll ( 16 ) for preparing the printing paper roll ( 16 ) for a flying reel change, with a holder ( 11 ) for unwinding the adhesive tape ( 12 ) of an adhesive tape roll, with a holder ( 13 ) for winding one of the adhesive tape ( 12 ) protective tape ( 14 ) or Abdeckbands, and with an applicator roll ( 15 ) for applying the adhesive tape ( 12 ) on the paper roll to be prepared ( 16 ), characterized by a stripping device ( 17 ) when applying a first side of the adhesive tape ( 12 ) on the printing paper roll ( 16 ) and simultaneously removing the protective tape ( 14 ) or masking tape from a second side of the adhesive tape ( 12 ) to the applicator roll ( 15 ) is that an end ( 18 ) of the stripping device ( 17 ) between the adhesive tape ( 12 ) and the protective tape ( 14 ) or masking tape is insertable. Contraption ( 10 ) according to claim 1, characterized in that the stripping device ( 17 ) via a cylinder ( 19 ), in particular a pneumatic cylinder, to the applicator roll ( 15 ) can be adjusted or turned off from the same. Contraption ( 10 ) according to claim 1 or 2, characterized in that the stripping device ( 17 ) is formed as a sheet metal strip, in particular as a spring steel sheet strip. Contraption ( 10 ) according to one or more of claims 1 to 3, characterized in that the stripping device ( 17 ) in the applicator roll ( 15 ) salaried state with bias on the applicator roll ( 15 ) and that of the adhesive tape ( 12 ) withdrawn protective tape ( 14 ) or masking tape to the applicator roll ( 15 ). Contraption ( 10 ) according to one or more of claims 1 to 4, characterized in that the stripping device ( 17 ) to the order roller ( 15 ) is adjustable, that the stripping device ( 17 ) only at the beginning of the mission the first side of the adhesive tape ( 12 ) on the printing paper roll ( 16 ) to the applicator roll ( 15 ) is employed. and that after the application of the beginning of the adhesive tape ( 12 ) on the printing paper roll ( 16 ) the stripping device ( 17 ) from the applicator roll ( 15 ) is shut off. Contraption ( 10 ) according to claim 5, characterized gekannzeichnet that the stripping device ( 17 ) only when applying the first 30 to 60 mm of the adhesive tape ( 12 ) on the printing paper roll ( 16 ) to the applicator roll ( 15 ) is employed.