DE19755357A1 - Portal king roll winder for a material run - Google Patents

Abstract

The appliance has a stand with a driven king roll (3). The king roll stand is height-adjustable. There are a first central drive for a first wound bale (1), and a second central drive for a new winding core. Both drives are horizontally moveable. Each drive can occupy a loading position, winding position, material splicing position, or unloading position (8) along a horizontal line (5).

Description

Technical field

Portal carrier roller winder for standstill-free winding sheet-like materials, comprising a support roller frame with at least one driven support roller used for example for winding nonwovens.

State of the art

A basic distinction is made in winding technology between unwinding and rewinding. The drive or braking torque can be in the center (center winder), on the circumference (Circumferential winder) or combined. A The principle of circumferential winding is the carrier roller winder, in which the wrapping bale rests on two support rollers, from this is frictionally driven, so that the center increases with increasing winding diameter.

A major advantage of the carrier roller winder is that too with large bale diameter, low deflection of the Wrap. A disadvantage with pressure sensitive materials is the line load between the winding and the support rollers; this Disadvantages can be caused by relieving the winding at the center, e.g. B. compensated by pressure-controlled pneumatic cylinders become.  

For a standstill-free wrapping process without goods storage as an intermediate buffer is an automatic winding change with flying splice required. Center winders are designed as turret winders.

The object of the invention is to provide a Carrier roller winder with which flying lengthening is possible is.

Presentation of the invention

According to the invention, the support roller frame is adjustable in height and is a first central drive for a first wrapping bale and a second central drive for provided a new winding core. Both central drives can be moved horizontally.

Because of the height-adjustable roller frame it is possible, the two are at different heights To be able to use central drives in order to achieve the continuous winding overlapping operation to be able to guarantee.

According to a development, there is a on the support roller frame to put it in a position for flying Splice) driven central drive swiveling Attachment device with cutting device attached, whereby the attachment device between the first central drive and the second central drive comes to rest. This will in a simple way a flying length without elaborate Material storage reached as an intermediate buffer. The finished The material will be wrapped until the cut off Material is fed, then the further winding takes place of the loose end on the new winding core.

The portal carrier roller winder mainly works according to the Circumferential winder principle, in the process of unloading  the wrapping bale is driven for a short time in the center. A pure center drive and one are also possible Combination of circumferential and center drive.

According to an advantageous further development, each of the Central drives on an upper or lower one Horizontal one loading position, one winding position, one Take up position and an unloading position. Hereby becomes fully automatic operation in a simple manner enables. After unloading it will be in the lower position the central drive is moved horizontally to the other end and moves under the one on the top Horizontal second central drive with the through the new winding core and vice versa. All of this can take place fully automatically.

Brief description of the drawing

A gantry roller winder according to the invention is in the Drawing shown. It shows the:

Fig. 1 is a schematic diagram of the portal carrier roller winder, in

Fig. 2 describes the wrapping process with a wrapping bale in a lower wrapping position, in

Fig. 3 shows the preparation for changing the bale, from

Fig. 4 shows the horizontal moving away of the wrap, in

Fig. 5 shows the preparation for flying splice, in

Fig. 6 is shown wrapping the new winding core, in

Fig. 7 is shown the flying splice operation, in

Fig. 8 moves the new winding bale on the winding core in the upper, actual winding position, in

Fig. 9 shows the wrapping process for the new wrapping bale on the wrapping core.

Implementation of the invention

In Fig. 1 a schematic diagram of the portal Tragwalzenwick lers is shown. A winding bale 1 is supported on two height-adjustable support rollers 2 , 3 . At least one of the two support rollers 2 , 3 is driven, so that the driving or braking torque is initiated on the circumference of the winding bale 1 .

Different positions are important for the mode of action. On the one hand, there are upper and lower winding levels 4 , 5 at different heights, which extend along the portal carrier roller winder. A loading position for empty tubes 6 , a winding position 7 , a lengthening position 7 'and an unloading position for full wrapping bales 8 are provided in the horizontal direction along the portal carrier roller winder.

The portal carrier roller winder works mainly on the circumferential winder principle, in the unloading position method, the winding bale 1 is driven for a short time in the center. The individual processes are described in more detail below.

In FIG. 2, the winding operation will be described with a wrapping bales 1 in a lower winding position 9. The wrapping bale 1 has approximately its final diameter. The support roller frame 10 is pressed onto the winding bale 1 by means of two pneumatic cylinders, a constant and / or variable pressure being achieved via proportional valves, which is independent of the bale diameter. The support rollers 2 , 3 are driven and the winding bale 1 experiences a pure circumferential drive.

In the upper loading position 4 , 6 , an empty sleeve 11 , also referred to as a winding core, is received. The sleeve 11 is still without a drive and the material 12 to be wound is fed to the winding bale 1 via the pair of supporting rollers 2 , 3 .

In Fig. 3 the preparation for changing the bale is shown. The wrapping bale 1 is in the lower wrapping position 9 . The center drive is switched on and brought to a synchronous speed with the winding bale 1 , so that there is now a combined circumferential center drive. Subsequently, the support roller frame 10 is lowered so that the support rollers 2 , 3 are no longer in contact with the winding bale 1 . In this position, the wrapping bale 1 experiences a pure center drive. The sleeve 11 is still without drive.

As can be seen from FIG. 4, the wrapping roll 1 is now moved away horizontally in the direction of the lower unloading position 5 , 8 . The wrapping bale 1 is still driven exclusively by the center drive 12. The upper center drive 13 carrying the sleeve moves in the direction of the flying splice position 4 , 7 'and is now also driven.

In FIG. 5, the preparation is shown, for connecting the extension flying (flying splice). The new winding core 11 is in the flying splice position, which is in the vicinity of the upper winding position 5 , 7 , but approximately above the support roller 3 . The finished wrapping bale 1 is in the lower unloading position 5 , 8 .

The support roller frame 10 is now again pressed against the new winding core 11 , the new winding core 11 still being driven in the center.

When the support roller frame 10 is raised, a lengthening device 14 is used and takes the material 12 upwards in order to loop around the new winding core 11 .

In Figs. 6 and 7, the wrap of the new winding core 11 is shown. The attachment device 14 pivots around the new winding core 11 and increases the wrapping of the winding core 11 with the material 12 . At the same time, a lower knife 15 swivels in the direction of the winding core 11 .

Material 12 is still wound on the wrapping bale 1 , which is still in the lower unloading position, with the center drive 12 alone providing the drive.

In Fig. 7 the flying splice operation is shown. The attachment device has wrapped the new winding core 11 with the material 12 far and the lower knife 15 is fully swung in. Now a cooperating with the lower knife 15 blow knife 16 cuts the web of material 12 across the entire width of the material and the free end of the material is immediately blown with air into the gap between the winding core 11 and the support roller 3 and taken there.

The new winding bale then moves on the winding core 11 into the actual winding position 7 , which is located centrally between the support rollers 2 , 3 , and the winding core 11 experiences a horizontal displacement. This is accompanied by a further lifting of the support roll stand 10, wherein the material 12 between hub 11 and carrier roll is further wrapped 3, see Fig. 8. At the same time Anlängvorrichtung 14 and the lower knife 15 pivots back.

The full wrapping bale 1 can be controlled in a controlled manner via the center drive 12.

In FIG. 9, the winding operation is illustrated for the new winding bales on the hub 11. The new wrapping bale is in the upper wrapping position 7 , the full bale 1 is ready for removal. The attachment device 14 and the lower knife 15 are pivoted back fully.

Claims (3)

1. Portal carrier roller winder for the standstill-free winding of web-shaped materials ( 12 ), comprising a carrier roller frame ( 10 ) with at least one driven carrier roller ( 3 ), characterized in that the carrier roller frame ( 10 ) is height adjustable, that a first central drive ( 12 ) for one first winding bale ( 1 ) and a second central drive ( 13 ) for a new winding core ( 11 ) is provided and that the two central drives ( 12 , 13 ) are horizontally displaceable 2. Portal-drum winder according to claim 1, characterized in that on the supporting roll frame (10) to the a position (4/7 ') driven for flying connecting the extension (flying splice) the central drive (13) pivotable Anlängvorrichtung (14) with cutter ( 15 , 16 ) is attached, the attachment device ( 14 ) coming to rest during the cutting process between the two central drives ( 12 , 13 ). 3. Portal support roller winder according to claim 2, characterized in that each of the central drives ( 12 , 13 ) on a horizontal ( 4 , 5 ) a loading position ( 6 ), a winding position ( 7 ), a lengthening position ( 7 ') and an unloading position ( 8 ) can take.