EP0446736A1 - Machine de cerclage pour palettes - Google Patents

Machine de cerclage pour palettes Download PDF

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Publication number
EP0446736A1
EP0446736A1 EP91103169A EP91103169A EP0446736A1 EP 0446736 A1 EP0446736 A1 EP 0446736A1 EP 91103169 A EP91103169 A EP 91103169A EP 91103169 A EP91103169 A EP 91103169A EP 0446736 A1 EP0446736 A1 EP 0446736A1
Authority
EP
European Patent Office
Prior art keywords
bayonet
strapping
unit
pallet
rotating field
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
Application number
EP91103169A
Other languages
German (de)
English (en)
Other versions
EP0446736B1 (fr
Inventor
Karl Hans Schüttler
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.)
Signode Packaging Systems GmbH
Original Assignee
Signode Bernpak 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 Signode Bernpak GmbH filed Critical Signode Bernpak GmbH
Publication of EP0446736A1 publication Critical patent/EP0446736A1/fr
Application granted granted Critical
Publication of EP0446736B1 publication Critical patent/EP0446736B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • B65B13/06—Stationary ducts or channels

Definitions

  • the invention relates to a machine for strapping palletized packaged goods including the pallet with a strapping agent, in particular a thermoplastic strap, consisting essentially of a portal, a bayonet supplementing this to a circumferential strap guide channel for the strapping agent and an assembly for the preparation, conveying and the closure of the strapping means, both the bayonet and the unit are each equipped with a drive motor and a linear guide for their essentially horizontal relative movement to the packaged goods and portal.
  • a strapping agent in particular a thermoplastic strap, consisting essentially of a portal, a bayonet supplementing this to a circumferential strap guide channel for the strapping agent and an assembly for the preparation, conveying and the closure of the strapping means
  • both the bayonet and the unit are each equipped with a drive motor and a linear guide for their essentially horizontal relative movement to the packaged goods and portal.
  • the linear guides are realized by means of ball screws. Electric motors each drive a threaded spindle along which a ball screw nut mounted on it is adjusted, to which the movable machine parts are in turn attached.
  • the bayonet and / or unit is driven by chain drives controlled by end positions or pneumatic cable cylinders.
  • the invention is therefore based on the object of making available a machine of the type outlined in the preamble of claim 1, which is able to meet the safety requirements in a considerably simplified manner and can be used in the technically inexpensive linear guides.
  • the invention solves this problem primarily and essentially by using rotating field magnets as drive motors for the bayonet and the unit.
  • Three-phase magnets are three-phase motors with squirrel-cage rotors, the stators of which are 'overwound', i.e. are provided with a significantly larger number of turns than usual. They are designed electrically so that they can be used at nominal voltage with a braked shaft in continuous and intermittent operation with unlimited duty cycle and develop their greatest torque (standstill torque). In principle, you could compare a rotating field magnet with an electric spring with infinite spring travel.
  • the invention utilizes these properties of rotating field magnets, which were previously used, for example, to drive church bells or for the winding devices on drums of trailing cables for cranes, to an astonishingly advantageous extent to control the linear movements of the bayonet and / or assembly.
  • a rotating field magnet as a direct drive motor for the bayonet and / or unit is considerably simpler and therefore less expensive than, in particular, a ball screw drive or a pneumatic cable cylinder, which besides the electrical connection, which is in any case necessary for the machine, also requires a compressed air supply.
  • the linear drive can consequently be designed in the simplest version, which is characterized approximately in that a drive pinion is arranged on the shaft of the rotating field magnet, which meshes with a rack attached to the bayonet or to the assembly. It is of further advantage, in particular for reasons of constructive simplification, if the rack is connected to carriages guided on a carrier rail by means of rollers.
  • a pallet strapping machine designated overall by 10, includes a portal 11 with posts 12 and 13 and a bar 14, the actual machine unit 15 and a bayonet 16.
  • the portal 11 forms with its posts 12, 13 and its bar 14 in connection with a strapping means guide device, not shown, within the assembly 15 and with the bayonet 16 a channel running around a pack 18 resting on a pallet 17 for a strap-shaped strapping means in particular , with which the packaged goods 18 are constricted on and together with its pallet 17.
  • the palletized packaged goods 17/18 are first moved into the portal by means of a transport device indicated by 20, such as roller conveyors.
  • the bayonet 16 which is waiting in the rest position with respect to FIG. 1, then passes under the pallet 17 and docks at 21 on the post 12.
  • the assembly now shoots the strapping means in the circumferential direction 22 through the strapping channel 19 until the front end of the strapping means is inserted into a closure head 23 of the assembly 15 and is held there.
  • the unit 15 moves against that Packaged goods 18 in the position 15 'shown in broken lines, and the strapping material is then withdrawn against its weft direction, thus pulled out of the strapping channel and finally tightened around the packaged goods.
  • the overlapping strapping sections are ultimately firmly connected to one another in the closure head 23, that is to say generally thermally welded.
  • the drive 24 for the bayonet 16 and the drive 25 for the assembly 15 are new and essential to the invention, also in connection with their linear guides 31 and 38.
  • a rotating field magnet 26 serves as the drive motor for the bayonet 16.
  • a pinion 28 is rotatably mounted on its shaft 27 (FIG. 2), which meshes with a toothed rack 29 fastened under the bayonet 16.
  • 30 is the strapping channel in the bayonet 16, which is mounted on a very simple linear guide 31.
  • the linear guide 31 comprises a rail 33 carried by two supports 32 standing on the floor with rail heads 34 made of round steel bars, on which rollers 35 rotatably mounted on carriages 36 run.
  • the bayonet 16 is in turn attached to the carriage.
  • the pinion 28 drives the bayonet mounted on the linear guide described and, depending on the direction of rotation, either pushes it forward or pulls it back.
  • a very similar drive is provided for the assembly 15, whose rotating field magnet is designated 37 and its linear guide is designated 38 (FIG. 1).
  • the shaft of the rotating field magnet 37 meshes with a rack secured under the assembly 15.
  • the linear guide 38 is attached to the top of the unit 15. Thereby, i.e. due to the spatial separation of drive and guidance, a very stable position of the assembly 15 is achieved.
  • the guide rail 39 is connected to the unit 15 in a uniform movement, while the rollers 40 are mounted on a console 41 held in a fixed position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP91103169A 1990-03-13 1991-03-02 Machine de cerclage pour palettes Expired - Lifetime EP0446736B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4007931A DE4007931A1 (de) 1990-03-13 1990-03-13 Paletten-umreifungsmaschine
DE4007931 1990-03-13

Publications (2)

Publication Number Publication Date
EP0446736A1 true EP0446736A1 (fr) 1991-09-18
EP0446736B1 EP0446736B1 (fr) 1995-02-01

Family

ID=6402065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91103169A Expired - Lifetime EP0446736B1 (fr) 1990-03-13 1991-03-02 Machine de cerclage pour palettes

Country Status (2)

Country Link
EP (1) EP0446736B1 (fr)
DE (2) DE4007931A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355786A (en) * 1993-09-21 1994-10-18 Signode Corporation Strap guide for guiding strap through aligned openings in pallet stringers
WO2013004293A1 (fr) * 2011-07-04 2013-01-10 Ecolean Research & Development A/S Unité de transport et procédé pour sa fabrication
CN103086002A (zh) * 2013-02-22 2013-05-08 杭州永创智能设备股份有限公司 一种打包机的机芯
AT514165A1 (de) * 2013-04-11 2014-10-15 Klein Thomas Verfahren zur Umreifung von palettierten Waren
CN110342009A (zh) * 2019-08-16 2019-10-18 南京斯杩克机器人技术有限公司 一种起爆具装箱系统用自动调整捆包机及其自动调整捆包方法
CN111907766A (zh) * 2020-08-04 2020-11-10 池州市新辰包装科技有限公司 一种单机头双带槽垂直打捆系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019118307B4 (de) * 2019-04-24 2025-10-09 Mosca Gmbh Verfahren und Vorrichtung zur Umreifung von Paletten

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2253669A1 (fr) * 1973-12-11 1975-07-04 Signode Corp
US3949662A (en) * 1975-04-29 1976-04-13 Fmc Corporation Pallet strapper with projectable lance

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3507091A1 (de) * 1985-02-28 1986-08-28 Kraftwerk Union AG, 4330 Mülheim Armatur zum absperren einer stroemung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2253669A1 (fr) * 1973-12-11 1975-07-04 Signode Corp
US3949662A (en) * 1975-04-29 1976-04-13 Fmc Corporation Pallet strapper with projectable lance

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355786A (en) * 1993-09-21 1994-10-18 Signode Corporation Strap guide for guiding strap through aligned openings in pallet stringers
WO2013004293A1 (fr) * 2011-07-04 2013-01-10 Ecolean Research & Development A/S Unité de transport et procédé pour sa fabrication
US9139335B2 (en) 2011-07-04 2015-09-22 Ecolean Ab Transport unit and method for manufacturing of the same
CN103086002A (zh) * 2013-02-22 2013-05-08 杭州永创智能设备股份有限公司 一种打包机的机芯
AT514165A1 (de) * 2013-04-11 2014-10-15 Klein Thomas Verfahren zur Umreifung von palettierten Waren
AT514165B1 (de) * 2013-04-11 2015-09-15 Klein Thomas Verfahren zur Umreifung von palettierten Waren
CN110342009A (zh) * 2019-08-16 2019-10-18 南京斯杩克机器人技术有限公司 一种起爆具装箱系统用自动调整捆包机及其自动调整捆包方法
CN110342009B (zh) * 2019-08-16 2020-09-11 南京斯杩克机器人技术有限公司 一种起爆具装箱系统用自动调整捆包机及其自动调整捆包方法
CN111907766A (zh) * 2020-08-04 2020-11-10 池州市新辰包装科技有限公司 一种单机头双带槽垂直打捆系统

Also Published As

Publication number Publication date
DE4007931A1 (de) 1991-09-19
DE59104449D1 (de) 1995-03-16
EP0446736B1 (fr) 1995-02-01

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