EP3110736A1 - Absaugstutzen für eine absaugvorrichtung - Google Patents
Absaugstutzen für eine absaugvorrichtungInfo
- Publication number
- EP3110736A1 EP3110736A1 EP14812569.3A EP14812569A EP3110736A1 EP 3110736 A1 EP3110736 A1 EP 3110736A1 EP 14812569 A EP14812569 A EP 14812569A EP 3110736 A1 EP3110736 A1 EP 3110736A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- nozzle
- suction
- rotation
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/414—Winding
- B65H2301/4148—Winding slitting
- B65H2301/41487—Winding slitting trimming edge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/30—Suction means
Definitions
- the present invention relates to a suction nozzle for a suction device for conveying cut waste strips of a film web and a corresponding suction device.
- nozzle exits are provided at the other end of the suction nozzle, which provide an introduction of the waste strips into a common suction channel.
- a separate extraction nozzle is provided for each waste strip or each position of a waste strip in order to carry out the corresponding promotion can.
- a disadvantage of the known solution is the necessary geometric design of the suction.
- the suction channel extends transversely to the conveying direction of the film web.
- a waste strip which is cut along the conveying direction of the film web and, accordingly, also sucked into the suction nozzle, runs correspondingly transversely to the conveying direction of the film web within the suction channel.
- An inventive extraction nozzle for a suction device for conveying cut waste strips of a film web has a nozzle channel.
- Nozzle channel is with a nozzle inlet for sucking the waste strips and with a
- Nozzle outlet equipped for introducing the waste strips into a suction channel.
- the nozzle channel has an inlet section adjacent to the nozzle inlet and an outlet section adjacent to the nozzle outlet. At least one rotational section is arranged between the outlet section and the inlet section, the flow cross-section of which is rotated over the course of the rotary section at least in sections.
- the input portion, the output portion and the rotation portion together preferably completely form the nozzle channel.
- the nozzle channel is formed by walls so as to separate a channel interior from a channel environment.
- the nozzle channel is in particular formed fluid-tight, so that a nozzle channel of this embodiment can pass a negative pressure from the nozzle outlet to the nozzle inlet. The suction extraction by means of negative pressure can thus be ensured via the suction nozzle.
- the input portion and the corresponding nozzle inlet serve to receive the waste strip at or near the position of cutting the waste strip from the film web. This recording is done by suction through negative pressure. This negative pressure is applied to the opposite side, namely at the nozzle outlet and generated for example by a present in the aspirator blower.
- the rotation or the rotation of the waste strip is correlated with a rotation of the flow cross-section of the rotating section.
- the rotation portion may be understood to represent, in addition to enabling this rotation, a guide for this rotation. An undesired over-rotation in turning the waste strip can be ensured by this guide functionality of the rotation section with higher security.
- the entire flow cross-section of the suction can be significantly flatter. Since film webs usually have only a small thickness in comparison to the width, the flow cross-section of the suction nozzle, for example, be formed substantially rectangular. This rectangle with a width, which is oriented in particular to the maximum width of the cut waste strips, is much more pronounced than the corresponding height. Thus, it is sufficient if a correspondingly flat rectangular flow cross-section is provided, since this flat rectangular flow cross-section is rotated in the rotation section itself for the necessary rotation of the waste strip.
- twisting or rotating is to be understood unambiguously.
- a rotation of the waste strip takes place when it moves around or substantially around its conveying axis.
- the twisting of the waste strip and the rotating section is to be distinguished from one Curvature with a curve.
- a rotation or a rotation in the sense of the present invention means a rotation about its own axis of rotation, for example along the conveying direction
- a curvature takes place about a curvature axis spaced from its own position and arranged above all in a different orientation.
- the individual sections in particular the inlet section, the outlet section and the rotary section can have different flow cross-sections in the context of the present invention.
- a round rotary section can also be arranged between a rectangular input section and a rectangular output section.
- the rotating section causes a change in the orientation of the film strip.
- the nozzle channel has a constant or substantially constant flow cross-section between the nozzle inlet and the nozzle outlet.
- it has one of the following geometric shapes:
- the list above is a non-exhaustive list. It should be noted that only by the inventive design of the rotation section at the nozzle channel at all a free or substantially free flow cross-section selection is possible. This is due to the fact that the necessary freedom of rotation for the waste strip is provided by the rotating section and its orientation or its twisted orientation. Only then does the freedom now exist with regard to the geometric selection of the flow cross-section.
- the flow cross-section is selected with a corresponding adaptation to the expected geometric dimensions of the waste strip. Accordingly, an oval training or a rectangular design with large width and lower height of advantage in terms of space requirements, flow conditions and weight and a lower flow rate.
- the rotation section is designed to be flexible at least in sections for a variation of the expression of the rotation of the flow section over the course of the rotation section. This makes it possible to ensure an adaptation of the necessary rotation to the respective application. For example, depending on the produced film web or depending on the orientation of the production machine, a different angular adjustment of the suction channel to the conveying direction of the film web may be given. Often, this employment will be chosen in the range of about 90 °, but of course other orientations are conceivable in principle.
- the rotation section is designed to be flexible at least in sections, then the degree of rotation in the form of a rotation angle can be adjusted by the variation and the flexible and, above all, elastic deformation of the rotation section to the actually existing angle of attack between suction channel and conveying direction of the film web.
- a flexible design is, for example, a flexible tubing with a correspondingly flat cross-section, as has already been explained above. It is likewise advantageous if, in the case of an extraction nozzle according to the invention, the rotation section rotates the flow cross-section in an angular range of approximately 45 ° to approximately 135 °, in particular in the range between approximately 80 ° and approximately 100 °, preferably in a range of approximately 88 ° and about 92 °.
- the suction channel is formed as short as possible, so that preferably a substantially vertical orientation of the suction channel is given to the conveying direction of the film web.
- This angle of attack is crucial for the formation of the necessary angle of rotation in the rotary section. Accordingly, it is also preferable to provide a vertical or essentially vertical orientation during this rotation, so that as an angle of rotation, approximately 88 ° to approximately 92 ° have great advantages.
- a further advantage can be achieved if the inlet section and / or the outlet section have a curved profile of the flow cross-section in an extraction nozzle according to the invention.
- this curved course of the input section and / or the output section has a curvature axis.
- This axis of curvature is in particular aligned perpendicularly or substantially perpendicular to the axis of rotation of the rotation of the flow cross-section in the course of the rotation section.
- a distinction is made between a rotation about its own axis of rotation and a curvature about a spaced axis of curvature.
- the input section has a mounting interface for the attachment of a suction device.
- the suction can be designed solely by generating a negative pressure at the nozzle inlet.
- active support of the suction can also be provided.
- nip rollers can be provided, which maintain a corresponding tension situation within the film web or within the waste strip, in particular via further mechanical installations.
- Such a suction device can be arranged or attached to a corresponding mounting interface of the input section. This allows parallel or alternative to manual threading in the Nozzle input to perform an automation of the startup process in the production of the film web.
- the outlet section and / or the nozzle outlet have a bearing device, for example in the form of a guide device, for a movable mounting, for example in the form of a guide, of the suction nozzle to a suction channel of the suction device ,
- a bearing device for example in the form of a guide device, for a movable mounting, for example in the form of a guide, of the suction nozzle to a suction channel of the suction device.
- This bearing device is in particular sealed against pressure loss, so that despite the displaceability fluid-tightness or substantially fluid-tightness is present.
- the suction channel is accordingly designed as an abutment device in order to receive or movably support one or more suction nozzles.
- an adjustment of the individual positions of the suction nozzles to the respectively variable position as a function of the existing film width can take place through the displaceable mounting and preferably also sealing of the suction nozzle.
- the width of the flow cross-section at the nozzle inlet is greater than or equal to the maximum width of the waste strip of the film web in a suction nozzle according to the invention.
- maximum waste strips specify the corresponding maximum dimensioning of the extraction nozzle.
- this aims at correspondingly wide rectangular flow cross sections with very flat heights.
- the height of the flow cross-section is oriented not only to the maximum height of the film web, but also to the usability of the waste strip in the corresponding nozzle inlet.
- the rotation section has wall surfaces which have surface sections, in particular triangular surface sections, for the formation of the rotation of the flow cross section over the course of the rotation section.
- the surface sections are in particular flat surface sections. This leads to the fact that the assembly of individual flat and therefore easy to produce Surfaces a complex twist is provided.
- triangular planar surface sections leads to a particularly simple and cost-effective formation of the rotation. While otherwise possibly flexible materials would have to be used, the corresponding rotation in the rotation section can also be provided by such a design by plastic deformation.
- corresponding surface sections can simulate the twisted course of the rotation section.
- a suction device for the extraction and promotion of cut waste strips of a film web.
- This suction device has a suction channel, at least one suction nozzle according to the invention, which is connected in a fluid-communicating manner with its nozzle outlet to the suction channel, and at least one fan.
- the fan is designed for the generation of an air flow within the suction channel and the at least one suction nozzle.
- the fan may have separate or inherently additional functions, in particular a chopping function.
- the individual fan blades may be equipped with appropriate cutting edges to be able to perform a re-granulation after conveying the waste strip.
- FIG. 2 shows the embodiment of FIG. 1 in another perspective view
- FIG. 3 shows a further embodiment of a suction nozzle according to the invention
- FIG. 4 shows an embodiment of a suction device according to the invention
- FIG. 5 shows an embodiment of a storage device according to the invention
- FIG. 6 shows a further embodiment of a storage device
- Fig. 8 shows a further embodiment of a storage device
- Fig. 9 shows another embodiment of a suction nozzle according to the invention.
- a first embodiment of a suction nozzle 1 10 is shown. This is equipped with a nozzle channel 10 which extends from top to bottom. At the upper end of the nozzle outlet 14 is shown here, which represents the end of the adjacent output section 14a. The lower end of the suction channel 1 10 is shown here for the nozzle channel 10 with the nozzle inlet 12 and adjacent thereto with the input portion 12a. Between the input portion 12a and the output portion 14a, the rotation portion 16a extends.
- the input portion 12a and the output portion 14a are curved around a curvature axis 30, respectively.
- the output section 14a preferably extends around a curvature of up to about 90 °. This curvature is particularly dependent on the particular spatial situation and can also depending on the winding device be different or not exist.
- the input section has a curvature of approximately 30 ° to 40 ° about the axis of curvature 30.
- the rotation section 16a is here twisted with regard to its flow cross-section 20 around a rotation axis 40.
- the angle of rotation about the axis of rotation 40 is here at about 90 °.
- a waste strip 210 can now be sucked into the nozzle inlet 12. Curved conveying of the waste strip 210 into the rotation section 16a takes place via a curved course of the entry section 12a. There is a straight-line promotion while a rotation of the waste strip 210 is performed about the axis of rotation 40. Upon completion of this twisting operation, a further arcuate conveyance may be made about the axis of curvature 30 of the exit section 14a to finally secure it to the storage device 70, to introduce the waste strip 210 into a corresponding suction passage 130 via the port exit 14.
- FIGS. 1 and 2 shows the embodiment of FIGS. 1 and 2 with a modification of the nozzle inlet 12.
- a mounting interface 18 is shown, to which a corresponding suction device, which actively supports the suction of the waste strip 210, can be attached.
- the mounting interface 18 is a flange system, which can ensure this attachment by appropriate screwing.
- FIG. 9 also shows a modification of the embodiment of FIGS. 1 and 2.
- the other functions correspond to the embodiments of FIGS. 1 to 3.
- FIG. 4 shows schematically an embodiment of a suction device 100 according to the invention.
- a film web 200 is produced by an extrusion process.
- a trimming which is represented here by dashed lines. This trimming creates waste strips 210, as in this case two edge strips and a median strip.
- the suction device 100 is provided here.
- a negative pressure is applied to a suction channel 130 via a blower 120.
- the suction channel 130 is in fluid communication with a suction nozzle 110 of the embodiments of FIGS. 1 to 3 for each waste strip 210.
- a number of three suction nozzles 1 10 is provided. Schematically, the twist and the curvature is shown here.
- the extraction of all waste strips 210 can be made at the respective position and be converted by the combination of curvature and rotation in a common transverse orientation of the suction channel 130.
- a plurality of here three waste strips 210 can be conveyed to the fan 120 via a single line. It is also shown that after passing through the blower 120 and in particular after regranulating the waste strips 210, recycling of this regranulate to the production machine 300 is possible.
- FIG. 5 is a possibility of a sliding bearing device 70, which also acts here as a sealing device, shown for the suction nozzle 1 10 using a plurality of zippers.
- FIG. 6 shows an alternative solution for the storage device 70, wherein here a displaceable sealing plate is provided against a foil sheet as a storage device 70.
- Fig. 7 also shows a solution for the bearing device 70, wherein here the sealing is ensured by zipper systems.
- Fig. 8 also shows a zipper system for the storage device 70, with a single zipper being sufficient.
Landscapes
- Cleaning In General (AREA)
- Advancing Webs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014102605.5A DE102014102605A1 (de) | 2014-02-27 | 2014-02-27 | Absaugstutzen für eine Absaugvorrichtung |
| PCT/EP2014/078286 WO2015128024A1 (de) | 2014-02-27 | 2014-12-17 | Absaugstutzen für eine absaugvorrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3110736A1 true EP3110736A1 (de) | 2017-01-04 |
| EP3110736B1 EP3110736B1 (de) | 2018-03-28 |
Family
ID=52102691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14812569.3A Active EP3110736B1 (de) | 2014-02-27 | 2014-12-17 | Absaugstutzen für eine absaugvorrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10399811B2 (de) |
| EP (1) | EP3110736B1 (de) |
| CN (1) | CN106029538B (de) |
| DE (1) | DE102014102605A1 (de) |
| WO (1) | WO2015128024A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023097674A (ja) * | 2021-12-28 | 2023-07-10 | 株式会社東伸 | 切断屑除去装置 |
| JP7841782B1 (ja) * | 2025-10-20 | 2026-04-07 | 株式会社ジェッター | 紙葉類搬送装置 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5194062A (en) | 1990-06-18 | 1993-03-16 | Hercules Membrino | Machine for pre-forming and rewinding film for side welded bags |
| US5322232A (en) * | 1992-07-22 | 1994-06-21 | Moore Business Forms, Inc. | Portable paper trim removal system with trim rewinder and dust vacuum |
| JP3560676B2 (ja) * | 1995-03-23 | 2004-09-02 | 富士写真フイルム株式会社 | 裁断耳自動処理装置 |
| JP2823840B2 (ja) * | 1996-08-07 | 1998-11-11 | 日下部 俊恵 | ワインダートリム用エジェクター |
| US6098510A (en) * | 1997-09-19 | 2000-08-08 | Kimberly-Clark Worldwide, Inc. | Method and apparatus for slitting a sheet material web |
| US6983757B1 (en) * | 1999-10-13 | 2006-01-10 | Ascent Systems, Inc. | Pressure differential distribution system |
| DE60203990T2 (de) * | 2002-02-11 | 2006-02-23 | Bielloni Castello S.P.A., Biassono | Schneide- und Abgabesystem für Besäumungsstreifen, die durch das Längsschneiden eines Films oder einer Bahn aus Kunststoff in einem Wickler für die Herstellung von Rollen erzeugt werden |
| US20040143931A1 (en) * | 2003-01-28 | 2004-07-29 | Dennis Robert J. | Gutter cleaning system |
| DE102005010769A1 (de) * | 2005-03-09 | 2006-09-14 | Rieter Ingolstadt Spinnereimaschinenbau Ag | Vorrichtung an einer Spinnereivorbereitungsmaschine mit einem Streckwerk |
| DE102006057469A1 (de) * | 2006-08-11 | 2008-02-14 | Koenig & Bauer Aktiengesellschaft | Falzapparat und eine Druckanlage |
| DE102006057453B4 (de) | 2006-08-11 | 2013-04-25 | Koenig & Bauer Aktiengesellschaft | Falzapparat |
| US8533907B2 (en) * | 2009-01-06 | 2013-09-17 | Emerson Electric Co. | Flexible crevice tool attachment for vacuum appliances |
| DE102011010515A1 (de) * | 2011-02-07 | 2012-08-09 | Heidelberger Druckmaschinen Ag | Falzmaschine mit einer Einrichtung zum Falzkantenbeschnitt und Verfahren zum Falzen von Bogen |
| DE102012108109B4 (de) | 2012-08-31 | 2014-04-10 | Rittal Gmbh & Co. Kg | Wärmetauscher für die Schaltschrankkühlung und eine entsprechende Kühlanordnung |
| GB201222438D0 (en) * | 2012-12-13 | 2013-01-23 | British American Tobacco Co | Apparatus for processing a moving web of material |
| DE102014102604A1 (de) * | 2014-02-27 | 2015-08-27 | Windmöller & Hölscher Kg | Vorrichtung zum automatischen Schneiden und Abführen einer Materialbahn sowie Verfahren hierzu |
-
2014
- 2014-02-27 DE DE102014102605.5A patent/DE102014102605A1/de not_active Withdrawn
- 2014-12-17 EP EP14812569.3A patent/EP3110736B1/de active Active
- 2014-12-17 WO PCT/EP2014/078286 patent/WO2015128024A1/de not_active Ceased
- 2014-12-17 CN CN201480076497.3A patent/CN106029538B/zh active Active
- 2014-12-17 US US15/121,625 patent/US10399811B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20160355367A1 (en) | 2016-12-08 |
| CN106029538B (zh) | 2018-06-22 |
| WO2015128024A1 (de) | 2015-09-03 |
| US10399811B2 (en) | 2019-09-03 |
| EP3110736B1 (de) | 2018-03-28 |
| CN106029538A (zh) | 2016-10-12 |
| DE102014102605A1 (de) | 2015-08-27 |
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