EP2106314B1 - Vorrichtung zum schneiden eines wellrohrs - Google Patents

Vorrichtung zum schneiden eines wellrohrs Download PDF

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Publication number
EP2106314B1
EP2106314B1 EP07846950A EP07846950A EP2106314B1 EP 2106314 B1 EP2106314 B1 EP 2106314B1 EP 07846950 A EP07846950 A EP 07846950A EP 07846950 A EP07846950 A EP 07846950A EP 2106314 B1 EP2106314 B1 EP 2106314B1
Authority
EP
European Patent Office
Prior art keywords
corrugated tube
cutting
cutting device
feed
corrugated
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.)
Active
Application number
EP07846950A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2106314A1 (de
Inventor
Manfred Sorg
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.)
Metzner Maschinenbau GmbH
Original Assignee
Metzner Maschinenbau GmbH
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 Metzner Maschinenbau GmbH filed Critical Metzner Maschinenbau GmbH
Priority to PL07846950T priority Critical patent/PL2106314T3/pl
Publication of EP2106314A1 publication Critical patent/EP2106314A1/de
Application granted granted Critical
Publication of EP2106314B1 publication Critical patent/EP2106314B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/001—Cutting tubes longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/16—Cutting rods or tubes transversely
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means

Definitions

  • the invention relates to a device for cutting a corrugated pipe with a cross-cutting device and a longitudinal cutting device according to the preamble of claim 1.
  • Corrugated tubes or corrugated tubes are usually used to protect cables and harnesses.
  • a cross-cutting device When cutting the corrugated tube by means of a cross-cutting device, it is usually important to cut precisely and reliably on the corrugation peak. Otherwise, sharp edges are formed, which lead to the injury of the cables to be pulled.
  • a longitudinal cutting device is used in the direction of passage after the cross-cutting device.
  • a sensor unit For positioning of the corrugated pipe or for determining the position of the corrugated pipe, a sensor unit is usually used.
  • the sensor unit measures or determines the position of the corrugated pipe, so that the cross-cutting device can cut to length the corrugated pipe at the intended location.
  • Essential in devices for cutting a corrugated tube with a cross-cutting device and a longitudinal cutting device is that in addition to a high operating speed, d. H. a high feed rate of the corrugated pipe and short cutting times, even a burr-free, right-angled cut without deformations of the corrugated pipe is achieved.
  • the devices should have a simple and inexpensive construction and make it possible to cut corrugated pipes with different diameters.
  • CT 4150 Metzner Maschinenbau GmbH Neu-Ulm over the rest of the prior art provides a particularly advantageous solution.
  • a disadvantage of all known devices is that the exact position determination of the corrugated tube, to subsequently cut this by means of the cross-cutting device in the transverse direction, is difficult, since the corrugated tube is compressed or stretched by the subsequent slitter.
  • it is possible to stop the knife of the longitudinal cutting device during the cross-cutting process but even in this case can not be completely excluded that the corrugated tube due to frictional forces between this and the longitudinal cutting blade stretched or stretched.
  • the present invention is therefore based on the object to provide a device for cutting a corrugated pipe with a cross-cutting device and a longitudinal cutting device, which avoids the disadvantages of the prior art, in particular allows a precise position determination of the corrugated pipe largely unaffected by the longitudinal cutting device.
  • a conveying device is arranged between the cross-cutting device and the longitudinal cutting device, a settling zone is created or the longitudinal cutting device is decoupled from the cross-cutting device such that forces exerted on the corrugated tube by the longitudinal cutting device do not affect the part of the corrugated tube which is in the Area of the cross cutter is located.
  • the position determination of the corrugated tube by the sensor unit is thus no longer influenced by an elongation or compression of the corrugated tube caused by the longitudinal cutting device.
  • the longitudinal cutting blade of the slitter which is preferably a rotating cutting surface, causes stretching of the corrugated pipe as the slitter slides the corrugated pipe.
  • the conveyor is thus a follower guiding and retaining device.
  • the conveyor has at least two belt conveyor units, which are arranged at at least approximately opposite positions of the corrugated pipe and act on the corrugated pipe.
  • the sensor unit measures or detects the position of the corrugated tube at least approximately in the plane in which a cross-cutting blade of the cross-cutting device intersects the corrugated tube.
  • the sensor unit preferably as a transmitter / Receiver unit, preferably in the form of a laser light barrier is formed, is positioned so that transmitter and receiver are positioned on a plane with the cross-cutting blade.
  • the sensor unit was arranged in the longitudinal direction of the corrugated tube spaced from the cross-cutting blade.
  • the conveyor and other responsible for the advance of the corrugated pipe transport devices eg. B. a feed device which transports the corrugated pipe to be cut to the cross-cutting device, intermittently.
  • the corrugated pipe is thus transported stepwise, wherein it is provided that the corrugated pipe is cut to length in the stand intervals of the cross cutting device.
  • a particularly fast and accurate positioning of the corrugated tube at the intended location is achieved by the arrangement of the sensor unit in a plane with the cross-cutting blade.
  • the corrugated tube is transported further in the feed direction after a corresponding position detection by the sensor unit, that the cross cutting blade intersects the next following wave crest. Sharp edges, which usually arise when the corrugated tube is cut in a trough, are thus prevented.
  • the corrugated tube profile can be reliably detected and the cut positioned precisely on the wave crest.
  • the cross-cutting device has only one cross-cutting blade, which performs a substantially linear movement for cutting the corrugated tube.
  • an oblique course of the cut surface of the cross-cutting blade can be provided, which improves the cutting into a corrugated tube in a known manner.
  • the cross-cutting blade can also be designed as a rotary cutting blade, in which the functions, for. As knife speed, knife feed, cutting depth, are freely programmable to set the cut exactly to the requirements of the material.
  • the use of a rotary cutting module can be particularly suitable for soft pipe materials and large pipe diameters.
  • the device is adjustable to different diameters of the corrugated pipes. This can be done in a simple manner, for example, by the fact that the conveyor and the feed device are adjustable so that different sized corrugated pipes pass or can be transported.
  • the processing of corrugated pipes is provided with a diameter of 4.5 to 35 mm.
  • the invention is not limited to these dimensions.
  • a sensor unit 4 is provided, which is formed in the embodiment as a laser light barrier is.
  • laser light barriers are well known from the general state of the art.
  • a feed device 5 is provided to supply the cross-cutting device 2 to be cut corrugated tube 1.
  • a with at least approximately the feed speed of the corrugated tube 1 synchronously co-moving conveyor 6 is arranged.
  • the conveyor 6 is arranged such that the forces exerted on the corrugated tube 1 by the longitudinal cutting device 3 (which also vibrations, vibrations and the like are to be understood) do not affect the part of the corrugated tube 1, which is located in the region of the cross cutting device 2.
  • a corrugated tube 1 passes through a corrugated tube 1 to be cut, starting with the feed device 5, the entire device. Ie.
  • the corrugated pipe 1 passes after the feed device 5, the cross cutter 2, then the conveyor 6 and finally the longitudinal cutter 3.
  • the longitudinal cutting device 3 the corrugated tube 1 slits continuously, while the cross cutter 2 only the corrugated tube 1 ablnaturet, if depending on the desired length a cut is required.
  • corrugated tubes 1 After cutting short corrugated tubes 1 can be stored in a collection, while it is advantageous for longer corrugated tubes 1 (which are often several meters long) to supply them to a separate tray.
  • an inlet or outlet 7 is provided between the feed device 5 and the cross-cutting device 2 and the cross-cutting device 2 and the conveyor 6 .
  • the inlets and outlets 7 can be designed substantially tubular and prevent on the one hand damage to the corrugated tube 1 and on the other hand it is avoided that the operator is injured by improper handling.
  • only one conveyor 6 is provided. Of course, several conveyors can be provided. In the exemplary embodiment, it is further provided that the corrugated tube 1 is guided clamped by the conveyor 6 during the feed.
  • the feed rate of the conveyor 6 corresponds to the feed speed of the feed device 5. To reduce the variety of parts, it has been found to be advantageous if the feed device 5 and the conveyor 6 are designed to be identical. This is not necessary.
  • the conveyor 6 (and thus in the embodiment also the feed device 5) has two belt conveyor units 8, which are arranged at at least approximately opposite positions of the circumference of the corrugated tube 1 and act on the corrugated tube 1.
  • the corrugated tube 1 is guided clamped between the two belt conveyor units 8.
  • the conveyor 6 may also have more than two belt conveyor units 8. With a corresponding contact pressure, it is in principle also conceivable to provide only one belt conveyor unit 8, but this is not desirable for achieving a particularly good result, but would reduce the construction costs.
  • the belt conveyor units 8 have, as can be seen in particular from the FIGS. 1 to 3 results in each case a circulating conveyor belt 9, which extends substantially parallel to the corrugated pipe 1, wherein the belt conveyor units 8 at deflection points of the conveyor belt 9 guide rollers 10 and between the deflection support rollers 11 have. It has proved advantageous with regard to the decoupling of the region of the cross-cutting device 2 from the longitudinal cutting device 3 when the conveyor belts 9 extend substantially parallel to the corrugated tube 1. This results in a relatively long distance, in which the corrugated tube 1 is guided clamped between the conveyor belts 9.
  • the conveyor belts 9 can preferably be driven via one or both deflection rollers 10 and / or support rollers 11.
  • the conveyor belts 9 are each driven via both deflection rollers 10.
  • the conveyor belts are designed as a toothed belt 9 and the guide rollers 10 and the support rollers 11 have on the circumference adapted profiling. This design ensures safe propulsion.
  • the surface of the conveyor belts 9 aligned with the corrugated tube 1 is provided with a material-protecting coating.
  • the conveyor 6 and the feed device 5 intermittently transport the corrugated tube 1, ie that the conveyor 6 and the feed device 5 stop when the cross-cutting device 2 is to cut off the corrugated tube 1 at the desired length.
  • the corrugated tube 1 is thus cut in time, including z. B.
  • a known stepper motor can be provided.
  • the drive of the conveyor 6 and the feed device 5 can be done in any manner.
  • a separate electric motor 12 is provided both for the conveyor 6 and for the feed device 5 respectively.
  • An electric motor 12 is in Fig. 3 to drive the conveyor 6 shown in principle.
  • the electric motor 12 for the conveyor 6 and the electric motor 12 for the feed device 5 can be synchronized with each other in a simple manner.
  • the laser light barrier 4 through which the position of the corrugated tube 1 is to be detected, at least approximately arranged in the plane in which a cross-cutting blade 13 of the cross-cutting device 2 cuts or cut the corrugated pipe 1 should.
  • the sensor unit 4 measures or detects the position of the corrugated tube 1 in the plane in which the cross-cutting blade 13 intersects the corrugated tube 1.
  • the determination of the intended cutting position can be done in many ways. In the exemplary embodiment, it is provided that the laser light barrier 4 detects or scans troughs 1b of the corrugated tube 1.
  • the corrugated tube 1 is transported further until the light barrier 4 detects the next trough 1b. From the detected trough 1b a further transport of the corrugated tube 1 in the feed direction, until the cross-cutting blade 13 is in a plane with the following wave crest 1a. Since the light barrier 4 is arranged in the same plane as the cross cutting blade 13 in the exemplary embodiment, in this case also the light barrier 4 is in the plane with a wave peak 1a.
  • the wave peak 1a is reliably achieved by the light barrier 4 detecting the end of the preceding wave trough 1b and subsequently carrying out an automatic further transport by a longitudinal amount predetermined by the control.
  • This automatic feed can be easily entered into the controller based on the dimensions of the corrugated tube 1 to be cut.
  • the corrugated tube 1 is particularly accurate on the To cut Wellenberg 1a.
  • Fig. 4 is a known in principle pneumatically operated cross-cutting blade 13 of the cross-cutting device 2 shown.
  • a cross-cutting blade 13 is provided, which performs a substantially linear movement for cutting the corrugated tube 1.
  • the cross cutting blade 13 performs a cutting from top to bottom during cutting and is only operated when a cut is required.
  • the cross-cutting blade 13 has an inclined to the linear movement cutting surface. This is known from the general state of the art for cutting corrugated pipes 1.
  • the longitudinal cutting device 3 has a continuously driven longitudinal cutting blade 14.
  • the longitudinal cutting blade 14 is formed with a circular, rotating cutting surface which is driven by a knife shaft 15. In the embodiment, the rotation is clockwise, d. H. such that the longitudinal cutting blade 14 exerts a force directed in the direction of advance on the corrugated tube 1.
  • the illustrated construction of the longitudinal cutting blade 14 is already known from the general state of the art.
  • FIG. 3 results in each case a lifting device 16 is provided for the feed device 5 and for the conveyor 6 in the embodiment.
  • the lifting device 16 makes it possible to set a distance between the belt conveyor units 8 so that corrugated pipes 1 with different diameters can be machined.
  • corresponding recesses 18 are provided in a housing 17, which allow a movement of the guide rollers 10 and the support rollers 11 radially to the corrugated tube 1.
  • Feed device 5 which transport the corrugated tube 1 to the desired length, are known in principle from the general state of the art. After the feed device 5 has traveled the desired length, the sensor unit takes over 4 or the sensors for the Wellenberg- or Wellentalerkennung the controller and transported the corrugated tube 1 to the next wave crest 1 a or so that the cross-cutting blade 13 can cut the next wave crest 1a. After reliable detection of the wave crest 1a then the cut is performed.
  • a cut in the trough 16 may be desirable, with the inventive device can also achieve this precisely.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP07846950A 2006-12-05 2007-12-03 Vorrichtung zum schneiden eines wellrohrs Active EP2106314B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07846950T PL2106314T3 (pl) 2006-12-05 2007-12-03 Urządzenie do cięcia rury falistej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006018506U DE202006018506U1 (de) 2006-12-05 2006-12-05 Vorrichtung zum Schneiden eines Wellrohrs
PCT/EP2007/010461 WO2008067966A1 (de) 2006-12-05 2007-12-03 Vorrichtung zum schneiden eines wellrohrs

Publications (2)

Publication Number Publication Date
EP2106314A1 EP2106314A1 (de) 2009-10-07
EP2106314B1 true EP2106314B1 (de) 2010-09-15

Family

ID=37887546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07846950A Active EP2106314B1 (de) 2006-12-05 2007-12-03 Vorrichtung zum schneiden eines wellrohrs

Country Status (5)

Country Link
EP (1) EP2106314B1 (pl)
AT (1) ATE481198T1 (pl)
DE (2) DE202006018506U1 (pl)
PL (1) PL2106314T3 (pl)
WO (1) WO2008067966A1 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105252577A (zh) * 2015-11-26 2016-01-20 长春工程学院 一种波纹管的切断方法及波纹管切断机

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JP5101363B2 (ja) * 2008-03-27 2012-12-19 株式会社ディスコ チューブ切断装置
DE102008032417A1 (de) 2008-07-10 2010-01-14 Metzner Maschinenbau Gmbh Vorrichtung und Verfahren zur Ablage von im wesentlichen geradlinig verlaufenden Schlauch- oder Kabelabschnitten
IT1393632B1 (it) * 2009-04-24 2012-05-08 Teknoweb Srl Gruppo di taglio trasversale
JP2018089726A (ja) * 2016-12-01 2018-06-14 住友電装株式会社 コルゲートチューブの位置決め部材、位置決め装置、および切断装置
CN108637354B (zh) * 2017-03-21 2020-12-01 日照丰华脚手架有限公司 一种铁氟龙管精密裁切设备
CN108656198B (zh) * 2018-06-06 2024-09-20 苏州惠斯福自动化科技有限公司 一种波纹管的输送机构及波峰切割的方法
CN109129661A (zh) * 2018-11-09 2019-01-04 南京清研新材料研究院有限公司 一种用于塑料产品出料的工业切割装置
CN109732685B (zh) * 2019-01-24 2020-10-09 灏印(宁波)波纹管技术有限公司 波纹管切管机及其牵引机构
CN110171118B (zh) * 2019-06-22 2021-04-02 安徽玖洲通管业科技有限公司 一种pvc管材生产系统
CN110509066B (zh) * 2019-07-30 2024-05-03 航天晨光股份有限公司 一种小口径环形金属波纹管切割敲波机构
CN111452105A (zh) * 2020-03-11 2020-07-28 安徽索亚装饰材料有限公司 一种自动化板材切割装置
DE102020120831A1 (de) 2020-08-06 2022-02-10 Battenfeld-Cincinnati Germany Gmbh Vorrichtung und Verfahren zum Ablängen eines Kunststoffprofils
WO2022035745A1 (en) * 2020-08-11 2022-02-17 Purewick Corporation Fluid collection devices and methods of manufacturing same cross-reference to related applications
CN112077909B (zh) * 2020-09-08 2024-07-19 广东统塑管业有限公司 一种用于加工承插自锁式hdpe增强实壁管顶管的设备
CN112025802B (zh) * 2020-09-09 2023-12-08 嵊州市三禾管业科技有限公司 一种hdpe双壁波纹管定长切断机及其切割方法
CN113352147B (zh) * 2021-07-15 2024-06-07 安徽塑茂管道科技有限公司 一种大型波纹管制造用切割轮用辅助机构及其使用方法
CN115431314A (zh) * 2022-09-02 2022-12-06 芜湖安瑞德汽车科技有限公司 一种发动机波纹冷却管加工生产线和加工方法
KR102739984B1 (ko) * 2024-01-26 2024-12-10 최인성 다방향 바이스 장치 및 이를 이용한 다방향 시편 절단 방법
CN121289577B (zh) * 2025-12-12 2026-04-24 天妃(山东)能源科技有限公司 一种波纹管切管机床

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Publication number Priority date Publication date Assignee Title
DE4332123A1 (de) * 1993-09-22 1995-03-23 Wilhelm Hegler Vorrichtung zum Sägen von Schlitzen in Well- und Verbundrohre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105252577A (zh) * 2015-11-26 2016-01-20 长春工程学院 一种波纹管的切断方法及波纹管切断机

Also Published As

Publication number Publication date
EP2106314A1 (de) 2009-10-07
WO2008067966A1 (de) 2008-06-12
DE202006018506U1 (de) 2007-03-08
PL2106314T3 (pl) 2011-04-29
ATE481198T1 (de) 2010-10-15
DE502007005107D1 (de) 2010-10-28

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