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Cutting device, method for cutting labels and labelling device

A technology for cutting equipment and labels, which is applied in the fields of cutting equipment for cutting labels, cutting, and labeling devices, and can solve the problems of long cleaning and cutting equipment, long machine downtime, etc.

Active Publication Date: 2011-03-23
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the more openings on the vacuum roll, the longer it takes to clean the cutting equipment, resulting in longer machine downtime
Also, in this variation it is not possible to solve the problem that the beginning of the label is located right on the reverse cut block or close to the vacuum opening when the label length is not suitable

Method used

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  • Cutting device, method for cutting labels and labelling device
  • Cutting device, method for cutting labels and labelling device
  • Cutting device, method for cutting labels and labelling device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0050] figure 1 A schematic plan view of a labeling machine is shown, which is capable of continuously applying reeled labels at high power to bottles 10 which are continuously fed in a single file.

[0051] The labeling machine has a feed conveyor 24, an inlet star 25 with an upstream infeed worm 23, a guide curve 22, a carousel with a plurality of rotating discs 26 equally spaced on a common pitch circle 27. Export star wheel 8 and export conveyor belt 9. The moving bottles 10 are driven continuously by the conveying elements of the machine in a synchronized manner with respect to each other in terms of speed and position.

[0052] In the circulation area between the inlet starwheel 25 and the outlet starwheel 8 there is a labeling unit 12 located on the outer edge of the carousel 27 for applying the wound labels. The labeling unit 12 has two label roll holders 14 with a cutting device 1 , a gluing unit 17 and a gripper cylinder 7 for conveying pre-cut labels to passing bo...

no. 2 example

[0074] The second embodiment is the same as the first embodiment except for the difference in the way of switching the cutting position. Therefore, only the differences between the second embodiment and the first embodiment will be described below. Parts that are identical and have the same meaning use the same symbols.

[0075] According to the second embodiment, the switching of the cutting position on the reverse cutting block 6 or on the reverse cutting blocks 61, 62, 63 and 64 can be performed by the driving device 5 of the cutting element 3 or the driving device of the counter pressure roller 2 (not shown). )to fulfill. That is, one of the drive devices is capable of at least temporarily changing the peripheral speed of the element driven by said one drive device relative to the peripheral speed of other elements driven by the other drive device. In this way, the offset of the cutting position on the counter-cutting block 6 can be realized according to requirements, th...

no. 3 example

[0078] The third embodiment is the same as the first embodiment except for the difference in the way of switching the cutting position. Therefore, only the differences between the third embodiment and the first embodiment will be described below. Parts that are identical and have the same meaning use the same symbols.

[0079] According to this embodiment, said cutting position is switched due to the fact that the drive device 5 temporarily reduces or accelerates the peripheral speed of the cutting element 3 relative to the peripheral speed of the counter pressure roller 2 .

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Abstract

There is described a cutting device for cutting labels, which comprises a cutting element and a counter-pressure roller. The cutting element serves for cutting into individual labels, a label strip that is provided with a plurality of labels arranged one behind the other in the direction of the length of the label strip, wherein the cutting element has a cutting tool in the first axis, about which the cutting element is rotatable. The counter-pressure roller serves for the placement of the label strip, wherein the counter-pressure roller is rotatable about a second axis arranged parallel to the first axis and has at least one counter-cutting bar which is provided on the outer surface of the counter-pressure roller essentially parallel to the second axis. The at least one counter-cutting bar has a width perpendicular to the second axis which is smaller than the length of the counter-cutting bar parallel to the second axis. Moreover, the at least one counter-cutting bar has a width such that the cutting position, at which the cutting element makes contact with the counter-cutting bar when cutting the label, is able to be shifted on the counter-cutting bar. The cutting device may be present in a labelling apparatus for applying the labels cut by the cutting device to objects that are to be provided with labels.

Description

technical field [0001] The invention relates to a cutting device and a cutting method for cutting labels, and also to a labeling device equipped with the cutting device. Background technique [0002] Labeling devices are used to provide labels to objects such as bottles, cans, etc. To this end, in labeling devices, labels are cut by cutting devices from a roll of labels provided with several rolling and unwinding directions along an endless roll (endless roll) and then applied to the objects to be labeled. Tabs arranged one after the other. [0003] Cutting devices for cutting labels are known from EP 2042437 A1 or DE 202005002793 U1. The cutting apparatus includes a rotating vacuum roll and a rotating cutting element. The cutting element has on its circumference at least one cutting tool, preferably a cutting blade, but also a punching tool. The label is conveyed by the vacuum roll and held on the vacuum roll by vacuum applied through openings in the roll surface of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65C9/18B26D7/26B26D1/40
CPCB26D7/2628B26D7/018B26D1/405B65C9/1803B65C2009/1838B26D7/204B26D5/20B26F1/44Y10T83/04Y10T83/4691Y10T83/4734Y10T83/4775Y10T83/483Y10T83/9469
Inventor 于尔根·赫林格迈克尔·乌兹
Owner KRONES AG