EP2310274B1 - Speichervorrichtung für bindedraht einer schnürmaschine - Google Patents

Speichervorrichtung für bindedraht einer schnürmaschine Download PDF

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Publication number
EP2310274B1
EP2310274B1 EP09775573A EP09775573A EP2310274B1 EP 2310274 B1 EP2310274 B1 EP 2310274B1 EP 09775573 A EP09775573 A EP 09775573A EP 09775573 A EP09775573 A EP 09775573A EP 2310274 B1 EP2310274 B1 EP 2310274B1
Authority
EP
European Patent Office
Prior art keywords
wire
accumulator device
tying
roll
storage device
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.)
Revoked
Application number
EP09775573A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2310274A2 (de
Inventor
Ute Figer
Walter Writzl
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.)
Andritz AG
Original Assignee
Andritz AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41576421&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2310274(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz AG filed Critical Andritz AG
Publication of EP2310274A2 publication Critical patent/EP2310274A2/de
Application granted granted Critical
Publication of EP2310274B1 publication Critical patent/EP2310274B1/de
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/184—Strap accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/30—Arrangements for accumulating surplus web
    • B65H20/32—Arrangements for accumulating surplus web by making loops
    • B65H20/34—Arrangements for accumulating surplus web by making loops with rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage

Definitions

  • the invention relates to a storage device for binding wire of a lacing machine, in particular for pulp production, with an inlet into the storage device and a spout from the storage device, and with a drive for the binding wire.
  • the invention further relates to a method for feeding binding wire through a storage device to a lacing device, in particular for pulp production, wherein the binding wire is fed through an inlet into the storage device and fed through a spout from the storage device to the lacing device.
  • Lace machines are used in pulp production in bale packing lines.
  • pulp bales packed in pulp sheets or unpacked
  • pulp stacks (3-4 bales with a total weight of about 1 ton) or pulp units (2 stacks) are tied with galvanized steel wire.
  • bales this applies to both pulp bales and pulp stacks and pulp units.
  • the function of the lacing machine is the transport of a bale into the machine, the attachment of up to nine steel wires per bale and the transfer of the bale to the following conveyor.
  • the lacing involves looping the bale with wire, tautening the wire, knotting the wire and cutting the wire from the wire roll.
  • Such a device is known from WO 01/68450 A2 known.
  • the wire coming from the roll is fed through a storage drum to the lacing frame.
  • the wire is twisted around its own axis. Due to the very short cycle times, the wire feed speeds are currently up to 200 m / min, resulting in high wear of the Wire guides leads. If the wire is now additionally twisted around its own axis, this leads to a lateral deflection, which additionally increases the wear.
  • the wire must have a relatively large diameter, currently about 3 mm, in order to have the necessary rigidity to be able to be pushed safely through the guide means.
  • Another problem is the high feed rates of up to 200 m / min, the relatively high dynamic forces during acceleration and deceleration of the wire or the drum on which the wire is wound, is.
  • Object of the present invention is to provide a structurally simple as possible constructed memory device.
  • the storage device makes it possible to temporarily store the wire required for a binding operation and then to remove it from the memory for the binding operation.
  • the supply of the wire from the storage device into the lacing frame may be decoupled from the supply of the wire from the roll to the storage device. This not only simplifies the control of the machine, but also relieves the drive devices and the binding wire by decoupling the wire movement before and after the storage device.
  • the binding wire does not have as in the WO 01/68450 A2 known device are bent several times in different directions.
  • embodiments are possible in which the operation of feeding the binding wire into the storage device and discharging the binding wire from the storage device are performed successively in time or overlapping with each other in time. It is also possible that the process of feeding the binding wire into the storage device is substantially continuous and the process of discharging the binding wire from the storage device is discontinuous. This means that the removal of the wire from the roll in front of the storage device can take place more or less continuously and without great accelerations and / or delays, while at the same time ensuring that the supply of the wire from the storage device into the lacing device is very high Dynamics can be done.
  • a first preferred embodiment of the invention is characterized by two roller groups or rollers arranged in the storage device, about which the binding wire is guided at least twice, and whose center distance is changeable.
  • the binding wire is guided exactly around the two roller groups or rollers, so that a trouble-free operation can be ensured.
  • a second preferred embodiment of the invention is characterized in that the storage device is a disk storage that forms a cavity in which the binding wire is loosely received.
  • Such disk storage devices which are known per se in the prior art, to temporarily receive the excess wire when tightening the wire after wrapping the bales, usually consist of a flat box with two large, parallel side walls, which only a very small Distance apart, which is usually smaller than twice the wire diameter.
  • the wire from the inlet-side drive is pushed loosely into it and pulled out again from the outlet-side drive. Since no constructive moving masses are present in this disk storage, on the one hand, the design effort is less and on the other hand, no consideration must be taken in addition to moving masses with regard to the feed and take-off speed or dynamics.
  • the advantage of the invention comes into play that the removal of the wire from the drum or other storage device can be dynamically decoupled from feeding the wire into the lacing device.
  • a lacing machine for strapping pulp bales is shown with galvanized steel wire, which consists essentially of a storage device 1 and a lacing device 2.
  • the binding wire with which the bales are tied up is from the left side of a drum, a tower, or the like, not shown in the in Fig. 1 to 3 shown first embodiment of a storage device 1 is supplied by being withdrawn from a first drive 3 of the drum.
  • the binding wire, not shown in the drawing is then repeatedly (three times in the illustrated embodiment) to two roller groups 4, 5 and then enters, driven by a second drive 7, in the Schnürritten 8 a.
  • the roller groups 4, 5 each consist of coaxially juxtaposed, independently rotatably mounted discs, which have on their peripheral surface a groove for guiding the binding wire.
  • the binding wire is once guided by slightly more than 360 ° counterclockwise around the bales stacked in the lacing frame 8 until the beginning of the wire in a lacing head 9, which has a so-called twister, a gripper and a cutting unit, above the subsequent coming from the storage device 1 wire comes to rest.
  • a lacing head 9 which has a so-called twister, a gripper and a cutting unit, above the subsequent coming from the storage device 1 wire comes to rest.
  • the wire coming from the storage device 1 is clamped in the gripper and pulled back in the opposite direction, pulling the wire from the guides in the lace frame 8 and pulling the loop around the bale.
  • the wire end is then twisted in the twister with the wire coming from the memory device 1 and the loop is cut from the following wire.
  • the construction of the Schnürrittens 8 is known per se and is therefore not described in detail.
  • bales are conveyed over conveyor means 10, 11 transversely to the plane in which the Schnürritten 8 extends, gradually promoted according to the number of binding wires to be attached and then conveyed away from this.
  • a compacting device 12 for residual wire serves to roll up remaining wire, ie the end of a wire completely drawn off from the drum, whose length is no longer sufficient to completely tie up a bale, so that it can be disposed of more easily.
  • the memory device 1 of the embodiment according to FIG Fig. 1 to 3 has, as mentioned, two roller groups 4, 5, wherein the lower roller group 4 is fixedly mounted on a frame 13.
  • the frame 13 further includes a guide 14 at which the upper Roller group 5 is vertically displaceable up and down.
  • the storage device 1 finally also has a box 6, whose door is shown open and in which the guide 14 and the roller groups 4, 5 are accommodated.
  • the sliding roller group 5 is shown in its uppermost position with solid lines and in its lowest position with dashed lines.
  • the wire after being pushed by the drive 3, with which it is withdrawn from the drum from the left into the storage device 1, first deflected by 90 ° about a first disc of the lower roller group 4 and then several times, in the illustrated embodiment three Run in loops around the other slices of the two roller groups 4 and 5 until it is subsequently pulled out of the storage device 1 to the right of the drive 7 after the last slice of the lower roller group 4.
  • the number of wraps of the two roller groups 5 and 6 on the one hand depends on the length required for the wrapping of the bale and on the other hand from the displacement of the upper roller group 5.
  • the difference in length of the two roller groups 4 and 5 looped wire between the position in which the two roller groups 4 and 5 are closest and the position in which the two groups of rollers 4 and 5 are furthest apart be at least as large as wire is needed for the looping in the lacing frame 8.
  • roller groups only one stationary and displaceable roller can be used, each having a number of wraps corresponding number of grooves over which the binding wire will slide due to the different wire speeds of the individual loops.
  • a spring or a pressure medium cylinder e.g. a pneumatic cylinder, which presses the displaceable roller or roller group 5 always away from the stationary roller or roller group 4, so that the multiple times around the rollers or roller groups 4, 5 looped wire is constantly stretched and the sliding roller or roller group 5 when feeding Wire is automatically moved away from the fixed roll or roll group 4.
  • the process of lacing bales may be, for example, the following.
  • the role group 5 is in the lowest position, if in a previous lacing the entire storage of wire was required in the storage device 1.
  • the drive 7 is stopped so that the wire is held by the drive 7.
  • the drive 3 is started, whereby wire is withdrawn from the drum and pushed into the storage device 1 into it.
  • the upper roller group 5 is moved upward until it has reached its uppermost position.
  • the drive 3 is stopped and the drive 7 is started, whereby wire is pulled out of the storage device 1 out.
  • the upper roller group 5 Since the drive 3 is stopped and holds the wire, the upper roller group 5 is moved down.
  • the drive 7 pushes wire into the lacing frame 8 until it is filled and the beginning of the wire comes to lie above the wire following from the storage device 1.
  • the drive direction of the drive 7 is reversed, so that the loop around the bales is so far is pulled until it fits snugly against the bale.
  • the gripper is actuated and the wire end in the twister is twisted with the wire coming out of the storage device 1 and the finished twisted wire loop is cut from the subsequent wire.
  • a piece of wire is pushed back into the storage device 1, causing the roller assembly 5 to move up a little bit again.
  • the filling of the storage device 1 is started again as described above by the drive 7 being stopped and the drive 3 being started.
  • the storage device 1 is designed as a so-called disk storage 15.
  • the disk storage 15 consists of a substantially hollow, very flat box whose large side walls 16, 17 have only a small distance which is smaller than twice the wire diameter.
  • the distance between the two side walls 16, 17 is about 1.5 times the wire diameter. This can prevent that the wire lays in loops next to each other, which would lead to knots and as a result to interruptions in operation.
  • the rear side wall 17 is supported by a frame 22.
  • the memory device 1 of the embodiment according to FIG 4 and 5 indicates as well as those according to Fig. 1 to 3 an inlet with a drive 3 and an outlet with a drive 7.
  • an arcuate guide 18 and in the region of the outlet in front of the drive 7 is arranged
  • the guides 18, 19 can sliding guides, as shown in the guide 18, or roller guides, as in the guide 19, be shown. If desired, the guides 18, 19 may also extend a distance laterally along the end walls 20, 21 upwardly to extend the guide area for the wire. Between the optionally elongated guides 18, 19, there are no guides or support means for the wire, so that the wire between the guides 18, 19 more or less random meander loosely.
  • the guides 18, 19 are replaced by a rectilinear guide, not shown in the drawings, through which the wire between the drives 3, 7 is rectilinearly passed through the storage device 1. Then come again the guides 18, 19 for use.
  • the change between the guides 18, 19 and the linear guide can preferably be carried out automatically.
  • This embodiment offers compared to the embodiment according to Fig. 1 to 3 the advantage of a very low design effort and non-existent to be moved constructive masses during filling and emptying of the storage device 1 with binding wire, whereas the embodiment according to Fig. 1 to 3 offers the advantage of a controlled guidance of the binding wire in the storage device 1, with which business interruptions by any jamming of the wire in the disk storage 15, which may not be completely ruled out for certain wire cross-sections or wire qualities, can be reliably avoided.
  • the drives 3 and 7 of both embodiments described above need not be mutually stopped as described during the filling and emptying of the storage device 1, but the two drives 3 and 7 can be driven overlapping each time, so that the storage device 1 by means of the drive. 3 can be filled again while the wire is removed by means of the drive 7.
  • This is possible because, due to the dynamic storage capacity of the storage device 1, the removal of the wire from the drum from the supply of the wire to the lacing device 1 is decoupled. In this way, a shortening of the cycle time of the Schnürmaschine is possible. It is also possible not to stop the drive 3 during routine operation at all, but to let it run continuously at a more or less constant speed and to drive only the drive 7 discontinuously as a function of the lacing.
  • the maximum storable in the memory device 1 wire length could be less than the length required for filling the Schnürrittens, so for example the Displacement of the displaceable roller group 5 of the embodiment of Fig. 1 to 3 could be smaller, since the storage device is already refilled during the extraction of the wire.
  • a measuring device for the length of the binding wire to be fed into the storage device 1 is arranged in front of the storage device 1, preferably before the drive 3.
  • this residual wire must be discarded. This can, since only a short piece of the binding wire is in the lacing device 2, done in a simple manner by the fact that the front end of the remaining wire, which is located in the lacing 9, is withdrawn from the lacing device 2 until it is in the compacting device 12 is located. Then the Drive 7 is switched back to the normal supply direction and compacted the remaining wire in the compactor 12 and ejected.
  • a measuring device can be arranged in front of the storage device 1, preferably in front of the drive 3, even a simple means for detecting the end of the binding wire.
  • the drive 3 is stopped and disposed of the remaining wire as previously described.
  • This embodiment assumes that the length of the wire to be supplied to the storage device 1 is detected or determined in another way, for example by using a stepper motor as the drive, by the rotation of which the feed length of the wire can be exactly specified, or the drive duration of the drive 3 is tuned to the length of the binding wire to be supplied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Textile Engineering (AREA)
  • Ropes Or Cables (AREA)
EP09775573A 2008-07-31 2009-07-24 Speichervorrichtung für bindedraht einer schnürmaschine Revoked EP2310274B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0118908A AT507145B1 (de) 2008-07-31 2008-07-31 Speichervorrichtung für bindedraht einer schnürmaschine
PCT/AT2009/000287 WO2010012016A2 (de) 2008-07-31 2009-07-24 Speichervorrichtung für bindedraht einer schnürmaschine

Publications (2)

Publication Number Publication Date
EP2310274A2 EP2310274A2 (de) 2011-04-20
EP2310274B1 true EP2310274B1 (de) 2012-06-06

Family

ID=41576421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09775573A Revoked EP2310274B1 (de) 2008-07-31 2009-07-24 Speichervorrichtung für bindedraht einer schnürmaschine

Country Status (11)

Country Link
US (1) US9199754B2 (es)
EP (1) EP2310274B1 (es)
CN (1) CN101638150B (es)
AT (1) AT507145B1 (es)
BR (1) BRPI0902462B1 (es)
CA (1) CA2731338C (es)
CL (1) CL2009001652A1 (es)
ES (1) ES2393743T3 (es)
PT (1) PT2310274E (es)
UY (1) UY32018A (es)
WO (1) WO2010012016A2 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9199754B2 (en) 2008-07-31 2015-12-01 Andritz Ag Storage device for binding wire of a cording machine

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
CN104085732A (zh) * 2014-06-20 2014-10-08 江苏佳成科技股份有限公司 一种音响线连续生产线上的储线装置
CN104925583A (zh) * 2015-05-29 2015-09-23 安庆钰龙橡塑机械制造有限公司 一种高架储线机构
NL2015588B1 (nl) * 2015-10-08 2017-05-02 Bandall Productie B V Inrichting voor het banderolleren van producten.
EP3615464A1 (en) * 2017-04-24 2020-03-04 Bartell Machinery Systems L.L.C Modular festoon system
JP2019119493A (ja) * 2018-01-05 2019-07-22 株式会社寺岡精工 帯掛け装置
CN109850221B (zh) * 2019-03-25 2024-02-13 山东阜马环保科技有限公司 一种全自动带门打包机
CN110450998A (zh) * 2019-08-30 2019-11-15 大连旭光智能技术有限公司 一种底入式捆扎机
CN114715458B (zh) * 2022-03-10 2023-05-05 深圳市力普森科技有限公司 一种数据线销售包装用数据线捆扎装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9199754B2 (en) 2008-07-31 2015-12-01 Andritz Ag Storage device for binding wire of a cording machine

Also Published As

Publication number Publication date
BRPI0902462B1 (pt) 2019-06-04
US20110168036A1 (en) 2011-07-14
US9199754B2 (en) 2015-12-01
AT507145A1 (de) 2010-02-15
ES2393743T3 (es) 2012-12-27
CN101638150B (zh) 2015-06-10
EP2310274A2 (de) 2011-04-20
CA2731338A1 (en) 2010-02-04
WO2010012016A2 (de) 2010-02-04
UY32018A (es) 2010-02-26
BRPI0902462A2 (pt) 2010-04-20
CA2731338C (en) 2017-06-13
AT507145B1 (de) 2010-05-15
WO2010012016A3 (de) 2010-04-22
PT2310274E (pt) 2012-09-12
CN101638150A (zh) 2010-02-03
CL2009001652A1 (es) 2009-10-16

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