EP0352564B1 - Verfahren und Vorrichtung zur Handhabung und Weiterverarbeitung eines Wabenbandes - Google Patents

Verfahren und Vorrichtung zur Handhabung und Weiterverarbeitung eines Wabenbandes Download PDF

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Publication number
EP0352564B1
EP0352564B1 EP89112891A EP89112891A EP0352564B1 EP 0352564 B1 EP0352564 B1 EP 0352564B1 EP 89112891 A EP89112891 A EP 89112891A EP 89112891 A EP89112891 A EP 89112891A EP 0352564 B1 EP0352564 B1 EP 0352564B1
Authority
EP
European Patent Office
Prior art keywords
reel
honeycomb
honeycomb web
stretching
belt
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.)
Expired - Lifetime
Application number
EP89112891A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0352564A3 (de
EP0352564A2 (de
Inventor
Christoph Ing. Htl Rohrer
Hans Schmidlin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCHMIDLIN ANDREA
SCHMIDLIN GERTRUD
SCHMIDLIN HANS-PETER
Original Assignee
SCHMIDLIN Andrea
SCHMIDLIN Gertrud
SCHMIDLIN Hans-Peter
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SCHMIDLIN Andrea, SCHMIDLIN Gertrud, SCHMIDLIN Hans-Peter filed Critical SCHMIDLIN Andrea
Priority to AT89112891T priority Critical patent/ATE95758T1/de
Publication of EP0352564A2 publication Critical patent/EP0352564A2/de
Publication of EP0352564A3 publication Critical patent/EP0352564A3/de
Application granted granted Critical
Publication of EP0352564B1 publication Critical patent/EP0352564B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D3/00—Making articles of cellular structure, e.g. insulating board
    • B31D3/02—Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section
    • B31D3/0292—Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section involving auxiliary operations, e.g. expanding, moistening, glue-applying, joining, controlling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1003—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by separating laminae between spaced secured areas [e.g., honeycomb expanding]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/18—Expanded metal making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49623—Static structure, e.g., a building component
    • Y10T29/49629—Panel

Definitions

  • the invention relates to a method for handling and processing an endlessly produced, unstretched honeycomb strip.
  • the invention further relates to an apparatus for performing this method.
  • the document US-A-2 731 379 shows and describes the further processing of the unstretched honeycomb strip with stretching and cutting to the desired partial lengths.
  • honeycombs unstretched or stretched in the form of blocks.
  • the known production processes for undrawn honeycombs result in film blocks with a thickness of between approximately 2 cm and 15 cm, from which strips are cut off at the desired honeycomb height as required. These strips are placed in a stretching machine and stretched into a honeycomb. Depending on the film block density and cell diameter, stretched sheets are obtained Honeycombs between 1 and 10 m in length. These stretching machines work in time and have to be designed for the greatest honeycomb length. This requires a very large amount of space. The transport and storage of the stretched honeycombs require a large volume; the handling of the stretched honeycombs is relatively complex.
  • Stretched honeycombs offer a large area for corrosion, dust and moisture pollution, which, if stored incorrectly, can lead to a loss of quality or even worthlessness of the expensive material.
  • the invention has for its object to develop a method and a device that allow easier handling of the honeycomb material, its space and cost-saving storage and transport, a reduction in the risk of contamination and corrosion and processing on compact systems.
  • the solution according to the invention enables endless production of the honeycombs.
  • the storage and transport volume for undrawn honeycombs is reduced.
  • the honeycomb can be stretched in a continuous process.
  • the length of the honeycomb can be chosen according to its length. This enables waste optimization.
  • FIG. 1 shows a reel 1 with a reel shaft 2 and a sleeve 3 attached to it, onto which an undrawn honeycomb band 4 is wrapped.
  • a thin belt 5, a band, a film, a paper strip or the like is used when winding the honeycomb band 4 together with it. with wound up or wrapped tightly against the outside of the honeycomb band 4 (in Figure 1 against the bottom of the honeycomb band 4).
  • the belt 5 or the like. is unwound from a belt reel 6, which is preferably braked so that the undrawn honeycomb band 4 can be pressed tightly onto the reel 1. In this case, there is no need for the reel 1 to be mounted in a manner that adapts to the changing reel circumference.
  • honeycomb band 4 is pushed.
  • the later processing of the unstretched honeycomb band 4 can take place directly from the reel 1 according to FIG. 1.
  • the unwinding drive can be carried out via the belt 5, which is guided over a deflection roller 7 and wound onto the belt reel 6 at a slightly premature speed (compared to the retraction speed of the honeycomb belt 4 in a stretching device explained later).
  • the retraction device of the stretching device which will be explained in more detail later, has a braking effect with respect to the belt reel 6, so that the belt 5 or the like. remains taut and supports the honeycomb belt 4 on the entire circumference of the reel 1 and prevents it from buckling. If the reel 1 is empty, the belt or the like. either rolled up again on reel 1 (reusable belt firmly connected to reel 1), or belt 5 or the like. is removed from the empty reel 1 and replaced with a new belt by the belt reel 6 when it is loaded again.
  • the device against buckling of the honeycomb layers consists of a stationary sheet metal or webbing 8, which is guided around a deflection 9 is, the already coiled honeycomb belt 4 wraps around and is kept taut over a weight 10.
  • the respective outer jacket of the wound honeycomb strip 4 slides along this stationary support, a pushed honeycomb strip 4 and a driven reel bearing for its winding being advantageous.
  • the embodiment of a reel shown in FIG. 3 also has a device to prevent the honeycomb layers from buckling.
  • this device comprises a sheet metal or belt strap 8 which is loaded by a weight 10, but which has only a smaller wrap angle than the wound honeycomb strap 4.
  • a further wrap is formed here by a conveyor support belt 11, the upper deflection roller 12 of which is adjustably mounted (see dashed line), so that the conveyor support belt 11 can adapt to the increasing or decreasing extent of the wound honeycomb belt 4 as well as the sheet metal or belt belt 8
  • the conveyor support belt 11 can also form the drive for the winding or unwinding process.
  • FIG. 4 shows four alternative solutions for a stretching device 13 arranged downstream of the reel 1, in which the undrawn honeycomb band 4 unwound from the reel 1 is stretched in the longitudinal direction (arrow 14) into the desired honeycomb structure (see FIGS. 7 and 9).
  • Each of the alternative solutions shown in FIGS. 4 and 5 has a drawing-in device 15, a free stretching zone a arranged downstream thereof and a drawing-out device 16 arranged downstream of this.
  • the pull-in device 15 and / or pull-out device 16 each consist of a pair of rollers or conveyor belts, the pull-in device 15 at the pull-in speed v1 and the pull-out device 16 operate at the extension speed v2, where v1 ⁇ v2.
  • FIGS. 3 and 4 clearly show the mode of operation of the stretching device 13 according to FIG. 4a.
  • the undrawn honeycomb belt 4 is conveyed by the counter-rotating rollers of the drawing-in device 15 into the stretching zone a, from which the honeycomb belt is drawn off accelerated by the rollers of the pull-out device 16 running in opposite directions with a higher number of revolutions.
  • the honeycomb belt is stretched in its conveying direction, the stretching result shown in FIG. 7 showing a normal symmetrical honeycomb structure.
  • the width of the undrawn honeycomb band 4 is reduced (in the exemplary embodiment shown in FIG. 7 by approximately 30%).
  • the ratio of v2 to v1 is chosen higher or lower, this speed ratio corresponding to the ratio of the diameter of the elongated honeycomb cell to the diameter of the undrawn honeycomb cell. It is gentle on the material if the rollers or conveyor belts of the pull-in device 15 and pull-out device 16 work without slippage, that is to say do not allow any speed differences between the peripheral speed and the honeycomb belt.
  • honeycomb structure especially in the case of very thin and soft materials
  • wear on the roller or belt surfaces and their contamination by abrasion residues are reduced.
  • honeycomb strips made of aluminum foil since aluminum tends to smear when rubbed.
  • the surfaces of the pull-in or pull-out devices 15, 16 can, for example, be rubberized.
  • FIG. 5 shows four alternative solutions for the stretching device 13 which are less expensive than those of FIG. 4, but which are less precisely controllable in automatic operation and, depending on the geometry and material of the honeycomb material, can damage or deform it undesirably.
  • the pull-in devices 15 and pull-out devices 16 each consist of only one roller 17 or only one conveyor belt 18 and an associated sliding plate 19 supporting the honeycomb belt.
  • the gap height can be changed in the pull-in or pull-out area.
  • the stretching device 13 shown in FIG. 8 is constructed in several stages, the stretching zone a being subdivided into sub-regions a3, a2 and a1 by additional pairs of rollers (which could also be replaced by pairs of conveyor belts) with correspondingly adjustable speeds.
  • normally stretched honeycomb structures can also be produced on such a multi-stage stretching device, but with higher precision with regard to cell diameter and geometry.
  • such a system is suitable for stretching honeycomb strips, which are made of relatively thick and hard materials, since the forces required for the deformation (expansion) are applied in stages by train, which must be transmitted from the local adhesive points.
  • FIG. 10 shows a cutting device 21 arranged downstream of the stretching device 13, each of which has a cutting element 22 on both sides has a hold-down bar 24 which extends over the entire honeycomb width and can be lowered onto the elongated honeycomb band 23.
  • the cutting element 22 can be formed by a rotating knife disc, but also by a sharp knife blade, wherein the separating cut with a blade can be advantageous because of the chip formation avoided here and the contamination associated with it.
  • the hold-down strips 24 prevent a change in the honeycomb structure during the separating cut running transversely to the stretching direction. After the hold-down strips 24 have been released, the honeycomb structure which has been cut to length is ejected through the elongated honeycomb band 23 which follows from the stretching device 13.
  • the cutting device 21 enables optimal use of the expensive honeycomb material and enables the consumer to process the honeycombs in a way that is optimized for waste.
  • a buffer section X is provided between the pull-out device 16 of the stretching device 13 and the stationary cutting device 21, within which the stretched honeycomb belt 23 is compressed in its elastic deformation area during the cutting process. If the overall length of the system is to be shortened by eliminating the buffer section X, the system would have to be operated intermittently.
  • the cutting device 21 shown in FIG. 11 is designed to run with respect to the elongated honeycomb band, for which purpose a band 25 running back and forth is provided.
  • honeycomb structure due to its structure, extends or extends transversely has different strength properties that can also be determined in the finished sandwich element. It can therefore optionally be provided to determine the later element width or the later element length by the first cutting device 21 arranged downstream of the stretching device 13, in order to then determine the later element length or element width by means of a second cutting device.
  • FIGS. 12 and 13 show one possibility for working two reels 1. This arrangement allows the loading of a panel system working in an endless process.
  • FIG. 13 shows that only a partial width of the undrawn honeycomb strip 4 is processed by the lower reel 1, which is made possible by a cutting device 26.
  • the system shown consists of two reels 1 with an unwinding device according to FIG. 1 formed by belt reel 6 and belt 5, two simple stretching devices 13 according to FIG.
  • the cutting device 26 for longitudinally separating the undrawn honeycomb band 4 on the reel 1 can be designed as a movable band saw. The separated additional width is unwound, while the remaining width remains on the reel.
  • the reel according to FIG. 14 is composed of a shaft 2, a reel core sleeve 3 pushed onto it, an outer contour 27 pushed onto it, and two end disks 28 inserted laterally onto the shaft 2, the outer diameter of which is larger than the outer diameter of the one in FIG. 14 shown full reel.
  • Each face plate 28 is at least over an axially directed driver 29 with the reel core sleeve 3 in rotary connection.
  • This driver 29 can sit on the end plate 28 and be designed in the form of inwardly directed, preferably sharp-edged projections (teeth, teeth, corrugation or the like), which engage in the end face of the reel core sleeve 3 and thus produce the so-called rotary connection.
  • the end disks 28 are pushed onto the shaft 2 laterally and in the desired position via clamping screws 30, clamping sleeves or the like. locked.
  • the wood, sheet metal, plastic or the like. existing end disks 28 serve, among other things. for lateral guidance of the honeycomb belt 4 (see FIG. 16) when winding up, for protecting the wound honeycomb belt 4 and as a support for transporting and handling the reel 1.
  • the shaft 2 can be used as a tension shaft, pipe or the like. be trained.
  • the reel core sleeve 3 consists of inexpensive, stable, but easily separable material and is e.g. formed by a tube wound from kraft paper similar to a carpet, paper or fabric roll core.
  • the outer contour 27 has a diameter offset a, the radial height of which corresponds to the honeycomb height of the honeycomb strip 4 to be wound up.
  • This outer contour 27 can be plugged or pushed onto the reel core sleeve 3, so that the same standard core sleeve can be used for all applications, while only the outer contour 27 to be pushed on has to be adapted to the honeycomb thickness or height to be processed.
  • the outer contour 27 can also consist of sections pushed onto the reel core sleeve 3.
  • the outer contour 27 can, however, also be firmly connected to the reel core sleeve 3, so that reel core sleeves which are appropriately adapted for different honeycomb strengths or heights 3 must be used.
  • the reel core sleeve 3 can be made directly with a corresponding outer contour 27, or the outer contour 27 can be cast onto the reel core sleeve 3, foamed or molded on in some other way.
  • the outer contour 27 could also consist of a wedge-shaped flexible material in cross section, such as rubber, which by gluing, stapling, shrinking or the like. is attached to the circumference of the reel core sleeve 3.
  • the outer contour 27, like the reel core sleeve 3, is made of easily separable material. This makes it possible to divide the honeycomb strip into two widths by longitudinal cutting when unwinding the honeycomb strip 4 from the reel and at the same time to cut through the outer contour 27 with the reel core sleeve 3 in order to remove the remaining width of the honeycomb strip separated by this separating cut on a correspondingly narrower reel intermediate storage. It is advantageous if the complex reel according to FIGS.
  • Figures 17 to 19 show three possible packaging variants.
  • the reel according to FIG. 17 is provided with circular end disks 28, 31, while in the alternative according to FIG. 18 the reel is packaged without end disks. 19 and 21, square bearing and transport end disks 31 are provided.
  • the bearing and transport end disks 31 can also form part of the transport packaging at the same time.
  • at least one edge section 36 of the bearing and transport end disk 31 can have a channel 37 which is open to the outside and at least one other edge section 38 can have a cross-sectional contour corresponding to the channel 37 (see lower illustration in FIG. 20).
  • an intermediate layer 39 in the form of a double-T profile can also be used (see the upper illustration in FIG. 20).
  • FIG. 21 makes it possible to further process the required honeycomb belt 4 from one or the other reel as required. This solution saves the end user further changeover times, which is very cost-effective, especially when executing small orders.
  • bearings 33 according to FIG. 20 are used for the bearing and transport end disks 31.
  • circular bearing and transport end disks 31 are used, which make it possible, when the honeycomb band 4 is unwound for further processing, to unroll on the outer circumference of the end disks 28 or bearing and transport end disks 31 from two shafts or instead of a central reel bearing Provide pairs of bearings 40. This also leads to cost-effective handling and set-up times.
  • the unwinding of the honeycomb band 4 can take place with or without end disks 28, 31.
  • the unstretched honeycomb band 4 can be divided into two widths by slitting in the reel 1, it is possible to unwind and process either only one section or both sections.

Landscapes

  • Making Paper Articles (AREA)
  • Laminated Bodies (AREA)
  • Catalysts (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Advancing Webs (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Winding Of Webs (AREA)
  • Belt Conveyors (AREA)
  • Exhaust Gas After Treatment (AREA)
EP89112891A 1988-07-29 1989-07-14 Verfahren und Vorrichtung zur Handhabung und Weiterverarbeitung eines Wabenbandes Expired - Lifetime EP0352564B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89112891T ATE95758T1 (de) 1988-07-29 1989-07-14 Verfahren und vorrichtung zur handhabung und weiterverarbeitung eines wabenbandes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3825861 1988-07-29
DE3825861A DE3825861A1 (de) 1988-07-29 1988-07-29 Verfahren und vorrichtung zur handhabung und weiterverarbeitung eines wabenbandes

Publications (3)

Publication Number Publication Date
EP0352564A2 EP0352564A2 (de) 1990-01-31
EP0352564A3 EP0352564A3 (de) 1991-06-05
EP0352564B1 true EP0352564B1 (de) 1993-10-13

Family

ID=6359879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89112891A Expired - Lifetime EP0352564B1 (de) 1988-07-29 1989-07-14 Verfahren und Vorrichtung zur Handhabung und Weiterverarbeitung eines Wabenbandes

Country Status (7)

Country Link
US (1) US5063647A (enrdf_load_stackoverflow)
EP (1) EP0352564B1 (enrdf_load_stackoverflow)
JP (1) JPH02169449A (enrdf_load_stackoverflow)
AT (1) ATE95758T1 (enrdf_load_stackoverflow)
AU (1) AU626310B2 (enrdf_load_stackoverflow)
DE (2) DE3825861A1 (enrdf_load_stackoverflow)
ES (1) ES2043978T3 (enrdf_load_stackoverflow)

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DE29506078U1 (de) * 1995-04-13 1995-09-21 Rudig, Jörg, 35585 Wetzlar Verpackungsmaterial sowie Vorrichtung zur Herstellung des Verpackungsmaterials
DE19545038A1 (de) * 1995-12-02 1997-06-05 Dietrich Mueller Verfahren und Vorrichtung zum Herstellen von wabenförmigen Platten
US5803391A (en) * 1996-08-12 1998-09-08 Saperstein; Steven B. Mesh storage apparatus
FR3036307B1 (fr) * 2015-05-22 2017-06-02 Halcyon Procede ameliore de fabrication d'une piece metallique du type sandwich presentant une forme non-developpable
BR112022017989A2 (pt) * 2020-03-09 2022-10-18 Ranpak Corp Máquina de conversão de material de proteção de carga para produção de uma almofada de proteção de carga tendo material de folha fendilhada no mesmo
JP7545709B2 (ja) * 2020-05-20 2024-09-05 株式会社ネオックス 緩衝材供給装置
JP7493760B2 (ja) * 2020-06-23 2024-06-03 株式会社ネオックス 緩衝材供給装置
CN113371504B (zh) * 2021-04-27 2024-08-02 鼎旺(嘉兴)自动化科技有限公司 一种蜂窝纸拉伸机
AU2022286307A1 (en) * 2021-06-03 2023-12-14 Ranpak Corp. Apparatus and method for dispensing a cushioning wrap material
US11801654B2 (en) * 2021-06-22 2023-10-31 1teck Automation Technology Co., Ltd. Structure of honeycomb paper expanding machine
CN119706456B (zh) * 2025-02-27 2025-06-03 江苏月仙冷藏设备集团有限公司 一种具有测距调速功能的钢带放卷装置

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Also Published As

Publication number Publication date
EP0352564A3 (de) 1991-06-05
ES2043978T3 (es) 1994-01-01
AU3907089A (en) 1990-02-01
DE58905891D1 (de) 1993-11-18
AU626310B2 (en) 1992-07-30
ATE95758T1 (de) 1993-10-15
EP0352564A2 (de) 1990-01-31
US5063647A (en) 1991-11-12
JPH02169449A (ja) 1990-06-29
DE3825861C2 (enrdf_load_stackoverflow) 1992-01-16
DE3825861A1 (de) 1990-02-01

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