EP1516718A2 - Station pour l'ouverture de fonds de sac dans une machine pour la fabrication de sacs en papier - Google Patents

Station pour l'ouverture de fonds de sac dans une machine pour la fabrication de sacs en papier Download PDF

Info

Publication number
EP1516718A2
EP1516718A2 EP04021274A EP04021274A EP1516718A2 EP 1516718 A2 EP1516718 A2 EP 1516718A2 EP 04021274 A EP04021274 A EP 04021274A EP 04021274 A EP04021274 A EP 04021274A EP 1516718 A2 EP1516718 A2 EP 1516718A2
Authority
EP
European Patent Office
Prior art keywords
force
gripper
bottom opening
power supply
cylinder
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
EP04021274A
Other languages
German (de)
English (en)
Other versions
EP1516718A3 (fr
EP1516718B1 (fr
Inventor
Thomas Bozic
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher 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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP1516718A2 publication Critical patent/EP1516718A2/fr
Publication of EP1516718A3 publication Critical patent/EP1516718A3/fr
Application granted granted Critical
Publication of EP1516718B1 publication Critical patent/EP1516718B1/fr
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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/022—Holders for feeding or positioning sheets or webs
    • B31B70/024—Rotating holders, e.g. star wheels, drums
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
    • B31B2150/0012—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing in the direction of movement
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/76—Opening and distending flattened articles
    • B31B50/78—Mechanically

Definitions

  • the invention relates to a bottom opening station of a paper bag machine according to the preamble of claim 1.
  • Paper bag machines have long been known.
  • DE 197 02 144 A1 shows elements of such devices.
  • the patent DE 1 080 846 shows a bottom maker of such a paper bag machine.
  • On a bottom maker cylinder the impacts of a previously drawn-up end of a paper tube are wrapped and glued together to form the bottom of a paper bag.
  • To put the soil serve gripper fingers, which are moved in both the axial and in the tangential direction of the Bodenmacherzylinders relative to this. In order to move the gripper fingers in motion, they are partially acted upon by forces that are provided by control cams.
  • the document DE 41 15 161 A1 shows a section of a Bodenmacherzylinders such a machine.
  • This floor maker cylinder is the central component of every bag machine. In general, it will open This bottoming out of this cylinder was done. To open this floor is However, it first necessary that the pieces of tubing, which previously have been isolated, first to the bottom opening station, respectively be handed over the bottom opening cylinder. There they are going through various measures arrested. These measures often include the Apply vacuum to this tube with vacuum. In the However, grippers usually play a role. The pieces of hose are in this Bag machines are known in the direction of the tube axis of symmetry promoted.
  • grippers are used on the sides of these pieces of tubing or in the gussets the same, therefore, in addition to the aforementioned vacuum fastening means also grippers are used.
  • grippers are often used in addition to each other.
  • the gripper is doing this with a force applied, which brings him to access, that is, the gripper during the entire time of the access actively charged with a force must become. This force is usually prepared by a curve package posed.
  • the time during which the bag or piece of tubing, from which the bag will be formed, from the gripper or the two Grippers must be kept to the desired size depending on the soil.
  • the object of the present invention is therefore to provide a Bottom opening station for bag machines to create, which at a Change the desired bag length without tedious adjustments and without the provision of curve packages.
  • the gripper is during its whole Rotation first from one in the direction of the axis of the gripper cylinder affects acting force. Only when the gripper is opened, acts counteracting this first force with a second force which opens the gripper.
  • the first force of a spring element, a magnetic force or other force applying device ready posed.
  • the second force is usually provided by two cam packages be, with the location of these two sets of curves in the circumferential direction is changeable. Due to this variability of the relative position of the two Curve packages can advantageously be an adaptation of the opening times of the gripper to the desired bag length.
  • FIG. 1 shows a view in the radial direction on a section of a Floor opening station according to the invention.
  • This section shows the Bottom opening cylinder 1, which comprises a shaft 2.
  • This wave 2 is in Not shown machine frame mounted and is driven.
  • a support cylinder 3 is applied, on which the hose piece. 4 guided and held by the gripper fingers 5.
  • the gripper finger 5 is with connected to a plunger 6.
  • This plunger 6 is in holes in the support cylinder 3 mounted so that it is rotatable and axially displaceable.
  • the compression spring 7 acts on the plunger 6 so with a force that the gripper fingers 5 always in the axial direction against the tube piece 4 leading part of Support cylinder 3 presses. From Fig. 2 it can be seen that a tension spring.
  • control cams are provided on the plunger. 6 or on the lever 9 in the manner described below act:
  • One of the axial cams 10, 12 acts on the sliding piece 14 and thus gives the plunger 6 a force. This force is that of the compression spring. 7 directed opposite and larger than this, so that ultimately the gripper fingers. 5 is removed in the axial direction of the tube piece 4.
  • one of the two radial cams 11, 13 acts on a non-visible Slip piece, which is attached to the lever 9.
  • the through the radial Control cam 11 applied force acts on the tension spring 8 and causes an additional lifting of the gripper finger 5 in the radial direction.
  • the Control cams 10, 11, 12, 13 are attached to a carrier unit 15, which in turn connected to the machine frame.
  • a support bearing 16 is provided between these two elements.
  • the cams 10, 11 At the time at which the gripper finger 5, the tube piece 4 after Successful bottom opening again releases the desired size of the soil to be able to adjust, the cams 10, 11 in the direction of Double arrow B movable.
  • the cams 10, 11 in a manner not shown connected to the carrier unit 15 quickly releasably.
  • This bottom opening station 1 comprises a gripper finger 1.
  • This gripper finger 1 is mounted on a plunger 6, which in turn is acted upon by compression spring 7 from the part of the support cylinder 3 leading the hose piece 4 with such a force, the gripper finger 5 is in a position away from the hose piece 4.
  • the fixing of the hose piece 4 takes place with the aid of the axial control cam 10 and the radial control cam 11.
  • the control cam 11 To lock the hose piece 4, first the control cam 11 imparts a force in the radial direction, so that the plunger 6 is rotated and the gripper finger 5 is lifted thereby.
  • control cam 10 gives the gripper finger 5 a force, so that it against the force of the compression spring 7 in the direction of the hose piece 4 leading part of the support cylinder 3. This force must be maintained as long as the hose piece 4 is to be locked. This duration and thus the section length of the control cam 10 and 11 is dependent on the intended floor size of the hose piece 4. When changing the floor size, the section length of the control cam 10 and 11 must be adjusted. This is done in a known floor opening station by replacing the control cam 10 and moving cam 11.

Landscapes

  • Supplying Of Containers To The Packaging Station (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP04021274A 2003-09-22 2004-09-08 Station pour l'ouverture de fonds de sac dans une machine pour la fabrication de sacs en papier Expired - Lifetime EP1516718B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10344156A DE10344156B4 (de) 2003-09-22 2003-09-22 Bodenöffnungsstation einer Papierbeutelmaschine
DE10344156 2003-09-22

Publications (3)

Publication Number Publication Date
EP1516718A2 true EP1516718A2 (fr) 2005-03-23
EP1516718A3 EP1516718A3 (fr) 2006-09-13
EP1516718B1 EP1516718B1 (fr) 2008-02-27

Family

ID=34177913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04021274A Expired - Lifetime EP1516718B1 (fr) 2003-09-22 2004-09-08 Station pour l'ouverture de fonds de sac dans une machine pour la fabrication de sacs en papier

Country Status (3)

Country Link
EP (1) EP1516718B1 (fr)
AT (1) ATE387307T1 (fr)
DE (2) DE10344156B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106881908A (zh) * 2017-03-22 2017-06-23 温州正博印刷机械有限公司 一种纸张的运动转角装置
CN107225801A (zh) * 2017-08-02 2017-10-03 江苏方邦机械有限公司 一种纸袋机合底装置及纸袋机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8764618B2 (en) * 2011-01-27 2014-07-01 Duro Bag Manufacturing Company Clampless bar mechanism for a paper bag bottoming mechanism
CN109397745A (zh) * 2018-12-11 2019-03-01 天津市津东华明纸箱厂 一种纸箱弯折成型机构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB327643A (en) * 1929-06-24 1930-04-10 Alfred Clement Coty Improvements in and relating to paper bag bottomers
US2044476A (en) * 1934-04-27 1936-06-16 Benjamin C Betner Company Apparatus for making bags
US2123508A (en) * 1937-03-15 1938-07-12 Benjamin C Betner Company Bag machine
DE1611699C2 (de) * 1967-08-25 1975-11-20 Windmoeller & Hoelscher, 4540 Lengerich Vorrichtung zum Herstellen der Böden in einer Klotzbodenbeutelmaschine
DE4115161A1 (de) * 1991-05-08 1992-11-12 Windmoeller & Hoelscher Verfahren und vorrichtung zur herstellung von papiertragetaschen
DE19702144C2 (de) * 1997-01-22 2003-03-13 Windmoeller & Hoelscher Verfahren und Vorrichtung zum Herstellen von Beuteln mit Henkelgriffen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106881908A (zh) * 2017-03-22 2017-06-23 温州正博印刷机械有限公司 一种纸张的运动转角装置
CN107225801A (zh) * 2017-08-02 2017-10-03 江苏方邦机械有限公司 一种纸袋机合底装置及纸袋机
CN107225801B (zh) * 2017-08-02 2023-06-02 江苏方邦机械有限公司 一种纸袋机合底装置及纸袋机

Also Published As

Publication number Publication date
DE10344156A1 (de) 2005-04-28
DE10344156B4 (de) 2008-02-07
EP1516718A3 (fr) 2006-09-13
EP1516718B1 (fr) 2008-02-27
DE502004006303D1 (de) 2008-04-10
ATE387307T1 (de) 2008-03-15

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