EP0401554B1 - Maschine zum Umschnüren von Packstücken - Google Patents

Maschine zum Umschnüren von Packstücken Download PDF

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Publication number
EP0401554B1
EP0401554B1 EP90109096A EP90109096A EP0401554B1 EP 0401554 B1 EP0401554 B1 EP 0401554B1 EP 90109096 A EP90109096 A EP 90109096A EP 90109096 A EP90109096 A EP 90109096A EP 0401554 B1 EP0401554 B1 EP 0401554B1
Authority
EP
European Patent Office
Prior art keywords
conveying path
package
gripper
machine
strapping
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
EP90109096A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0401554A1 (de
Inventor
Hans Hugo Büttner
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.)
Buettner Maschinenfabrik & Co GmbH KG
Original Assignee
Buettner Maschinenfabrik & Co GmbH KG
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 Buettner Maschinenfabrik & Co GmbH KG filed Critical Buettner Maschinenfabrik & Co GmbH KG
Publication of EP0401554A1 publication Critical patent/EP0401554A1/de
Application granted granted Critical
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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
    • 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

Definitions

  • the invention relates to a machine for strapping packages according to the preamble of claim 1.
  • Such a machine is known from EP-PS 178 385, whereby after relocation of the strapping means guide member to the high position above the top of the package, the free-stretched chord is present, which is pulled out as the package passes. After the tying has ended, the tying means guide member always returns to its starting position. This means that each package passing through the machine is provided with a strapping that runs in the feed movement. With such a machine, tight straps can be produced because of the repeated protruding of the strapping means.
  • the invention is based on the object of designing a machine of the type in question in a technically simple manner so that the area of use is increased.
  • the area of application of a generic machine is increased.
  • the packages passing through the machine can optionally be tied. Nevertheless, the advantageous mode of operation of the machine is not abandoned.
  • the means that the corresponding straps are always tight. If no strapping is to be provided on a package, the carrier moving up and down to the side of the conveying path moves into its down position connected with the fact that the strapping means guide member moves from the height above the top of the package to the height below the conveying path and thereby immersed in the upwardly open trough of the conveyor line formed by the deflection position. There is then no free-stretched chord above the conveyor line, so that the package passes the conveyor line without being tied.
  • the free-stretched tendon is again present between the gripper and the strapping means guide member, so that when the next package is passed, the package is then turned out and subsequently strapped.
  • the machine obtains a high strapping performance in terms of strapping per unit time due to the fact that the carrier and the deflection points of the Conveyor line sit on a common carriage moving back and forth in the direction of movement of the package. This carriage also accommodates the gripper and the locking device. The package therefore does not have to be stopped during its passage through the machine, even if the sealing process takes place.
  • the machine for strapping packages P has a frame-like machine frame 1.
  • the latter has two parallel guide rails 2, on which a frame-shaped carriage 3 can be moved back and forth.
  • the guide rails 2 run in the direction of package travel x.
  • the package conveyor section 4 is formed by two parallel belt drives 5, 6, which leave a gap 7 between them at the level of the tying plane y-y.
  • the belt drives 5, 6 have rollers 8, 9 mounted on the inlet and outlet sides of the machine frame 1. Then, at least for the belt drive 5, carriage-side deflection rollers 10, 11, 12 and 13, 14, 15, 16 are provided.
  • the deflecting rollers 10, 11, 12 are assigned to the leading strand and the remaining deflecting rollers 13, 14, 15, 16 to the returning strand.
  • the aforementioned deflection rollers 10 - 16 have a free-floating bearing. The correspond de bearing is located on the part of the carriage 3 opposite the gap 7 and is not illustrated in detail.
  • the deflecting rollers 10, 11, 12 form a trough 17 which is open at the top on the package conveyor section 4 and which moves with the carriage 3 moving back and forth.
  • the carriage 3 receives two vertically aligned and parallel guide rods 18 which laterally protrude the package conveyor section 4 and on which a carrier 19 can be displaced.
  • the piston rod 20 of a lifting cylinder acts on the carrier 19.
  • a horizontally oriented arm 21 extending transversely to the conveyor path 4 extends from the carrier 19 which can be moved up and down to the side of the conveyor path 4.
  • a deflection roller 22 At the end of the same there is a deflection roller 22, the axis of which extends in the package conveying direction.
  • the arm is then provided at the end with a downwardly extending arm 23. At the end, this supports a deflection roller 24, the axis of which runs at an acute angle to the package conveying direction x.
  • the angle between the axis of the deflection roller 24 and the package movement direction is approximately 45 °.
  • the boom 23 also receives a further deflection roller 25. Their axis is slightly above that of the deflection roller 24. The axis of this deflection roller 25 extends transversely to the package conveying direction.
  • the strapping means 26 drawn off from a strapping means supply roll (not illustrated) runs along the arm 21 and wraps around the deflecting roller 22. From there, the strapping means 26 is wrapped around the deflecting roller 24 which is at an angle to the package conveying direction. Subsequently, the strapping means 26 wraps around the deflection roller 25, in order from there to be arranged as a freely stretched chord S according to FIG.
  • Gripper 27 to run.
  • the latter is a component of a closure device 28 illustrated by a dot-dash line.
  • the gripper 27 is designed like a finger and can be moved up and down. Together with the gripper 27 acts a roller 29 arranged in the tying plane yy, which is seated on a plunger 30 controlled by the closure device 28.
  • an upper pressure jaw 31 is assigned, which interacts with a heating plate 32 and a lower pressure jaw 33. Furthermore, the pressure jaw is also assigned a holding clamp 34 for the strapping means 26.
  • the gripper 27 has moved in the upward direction, while the upper pressure jaw 31 and the holding clamp 34 are controlled and the strapping means end facing 26 'capture and clamp it.
  • the gripper 27 in turn then opens.
  • the carrier 19 has moved its arm 21 in the downward direction and pulls the strapping means 26 over the upper right corner of the package P, as seen in the conveying direction.
  • the arm 21 plunges into the trough 17 of the package conveyor section 4 formed by the deflection points.
  • the deflection roller 24 mounted at an acute angle to the package movement direction x, only the strapping middle section facing the back of the package extends in the strapping plane yy.
  • the next movement step is that the opened gripper 27 travels in the downward direction to achieve the position shown in FIG. 6, the end of the strapping means 26 having left the gripper 27.
  • the plunger 30 with the roller 29 then comes forward to achieve a further indented section of the strapping means, cf. Fig. 10.
  • the roller 29 only detects the middle section of the strapping which runs in the strapping plane y-y.
  • the carriage 3 sets in motion in the package conveying direction x, so that the package P then does not come to a standstill in the subsequent closing process.
  • the gripper 27 moves to the other side of the pressure jaw 31 during this process and closes, as a result of which the strapping means is held at two points in the region of the connection point.
  • FIG. 8 The next work step shown in FIG. 8 now follows. This consists in the closed gripper 27 traveling in the upward direction. Then the lower pressure jaw 33 and the heating plate 32 advance. The corresponding strapping sections are heated. Thereafter, the heating plate 32 moves back and the lower pressure jaw 33 in the upward direction, the corresponding strapping means sections being welded. After a short cooling time, the gripper 27 moves downward. At the same time, the strapping means 26 is pulled over the knife edge 35 that is adjacent to the lower pressure jaw 33, severing the strapping means 26. The end of the strapping means then present is held exclusively by the gripper 27, cf. Fig. 9.
  • the lower pressure jaw 33 now opens and the upper and lower pressure jaws move back out of the constriction level, so that the package P is conveyed on without stopping.
  • the gripper gap 36 is horizontal. Now the gripper 27 moves back to the other side of the upper pressure jaw 31 and thereby rotates through 360 °, while the carrier 19 with the arm 21 moves upwards again, reaching the starting position according to FIG. 1. The rotary movement of the gripper 27 is such that no strapping agent is wound on it. The gripper gap 36 has thus rotated through 360 ° during its back and forth movement.
  • the carrier 19 then remains in its low position after the strapping of the package P which has passed through last. This means that the arm 21 is located in the trough 17 of the package conveyor section 4 and therefore not in the path of movement of the package P ' lies. There is therefore no protrusion of a strapping tendon.
  • the carrier 19 remains with its arm in its low position and only returns to its upper position when packages are to be tied again, so that after a corresponding upward displacement of the carrier with arm, the position in accordance with FIG 1 is present.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Vending Machines For Individual Products (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP90109096A 1989-06-08 1990-05-15 Maschine zum Umschnüren von Packstücken Expired - Lifetime EP0401554B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3918674 1989-06-08
DE3918674A DE3918674A1 (de) 1989-06-08 1989-06-08 Maschine zum umschnueren von packstuecken

Publications (2)

Publication Number Publication Date
EP0401554A1 EP0401554A1 (de) 1990-12-12
EP0401554B1 true EP0401554B1 (de) 1992-02-26

Family

ID=6382327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90109096A Expired - Lifetime EP0401554B1 (de) 1989-06-08 1990-05-15 Maschine zum Umschnüren von Packstücken

Country Status (5)

Country Link
EP (1) EP0401554B1 (da)
AT (1) ATE72794T1 (da)
DE (2) DE3918674A1 (da)
DK (1) DK0401554T3 (da)
ES (1) ES2030602T3 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0527743A1 (de) * 1991-03-06 1993-02-24 Maschinenfabrik Gerd Mosca GmbH Verfahren und maschine zum umschnüren von paketen oder stapeln mit einem band aus verschweissbarem kunststoff
EP2149448B1 (en) 2008-07-30 2011-04-13 OFFICINA MECCANICA SESTESE S.p.A. Pile-strapping machine with straps made of weldable plastic material
ITMI20081417A1 (it) * 2008-07-30 2010-01-31 Sestese Off Mec Dispositivo di reggiatura a passaggio.
ITMI20111711A1 (it) * 2011-09-22 2013-03-23 Sestese Off Mec Apparecchiatura di imballaggio a passaggio con alimentatore multiformato.
EP3045398A1 (de) 2015-01-15 2016-07-20 ATS-Tanner Banding Systems AG Verfahren zum Umlegen von Bändern um Objekte und entsprechende Maschinen
WO2023164397A1 (en) 2022-02-25 2023-08-31 Signode Industrial Group Llc Strapping machine with a welding assembly having a leading-strap-end guide
US12330823B2 (en) 2022-11-07 2025-06-17 Signode Industrial Group Llc Strapping machine with a welding assembly having a leading-strap-end guide and method of operating same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH573328A5 (da) * 1973-10-05 1976-03-15 Pester Emil Platinen U Apparat
DE2935028C2 (de) * 1979-08-30 1986-10-23 Maschinenfabrik Gerd Mosca Gmbh, 6931 Zwingenberg Umschnürungsmaschine
DE2949519C2 (de) * 1979-12-08 1985-08-22 Hans Hugo 4020 Mettmann Büttner Maschine zum Umschnüren von Packstücken
DE3438147A1 (de) * 1984-10-18 1986-04-24 Hans Hugo 4020 Mettmann Büttner Maschine zum umschnueren von packstuecken

Also Published As

Publication number Publication date
ATE72794T1 (de) 1992-03-15
DK0401554T3 (da) 1992-03-23
EP0401554A1 (de) 1990-12-12
DE3918674A1 (de) 1990-12-13
DE59000049D1 (de) 1992-04-02
ES2030602T3 (es) 1992-11-01

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