EP2059386A1 - Vorrichtung und verfahren zur herstellung von säcken aus beschichtetem kunststoffgewebe - Google Patents
Vorrichtung und verfahren zur herstellung von säcken aus beschichtetem kunststoffgewebeInfo
- Publication number
- EP2059386A1 EP2059386A1 EP07803105A EP07803105A EP2059386A1 EP 2059386 A1 EP2059386 A1 EP 2059386A1 EP 07803105 A EP07803105 A EP 07803105A EP 07803105 A EP07803105 A EP 07803105A EP 2059386 A1 EP2059386 A1 EP 2059386A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bags
- sacks
- nip
- bottoms
- bag
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 229920002994 synthetic fiber Polymers 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 239000004033 plastic Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 9
- 230000002950 deficient Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims 1
- 238000005496 tempering Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- B31B70/006—Controlling; Regulating; Measuring; Safety measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/58—Article switches or diverters
- B65H29/60—Article switches or diverters diverting the stream into alternative paths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
- B65H43/04—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable detecting, or responding to, presence of faulty articles
-
- 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
- B31B2150/0014—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing transversally to 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
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/72—Uniting opposed surfaces or edges; Taping by applying and securing strips or sheets
-
- 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
- B31B50/741—Moistening; Drying; Cooling; Heating; Sterilizing
Definitions
- the invention relates to an apparatus and a method for producing bags made of coated plastic fabric.
- Such bags have been known for some time.
- the starting material for these bags is usually a tubular fabric, which is produced in round looms from stretched plastic tapes.
- the stretched plastic tapes which often contain polypropylene, have a very high tensile strength in the longitudinal direction.
- the low tensile strength of the plastic tapes in their transverse direction does not matter because in a tissue many tapes in the longitudinal and transverse directions of the subsequent bag run, so well absorb the forces in all directions.
- the fabric may also be a flat fabric, which will later be added to form a tube to form a longitudinal seam.
- the fabric is often coated with another plastic material in order to be able to connect different parts of the hose or of the later hose pieces to one another by means of a joining method without affecting the stretched plastic tapes.
- a joining method is hot air sealing, in which the surfaces to be joined are fused and then brought into contact, so that the surfaces form a firm connection after cooling.
- only the coating is heated, as the strength of the plastic tapes deteriorates when exposed to heat. In reality, one can However, some heating of the plastic tapes usually can not be avoided.
- such compounds may also be prepared by adding an adhesive or liquified plastic. In particular, it makes sense to introduce between the surfaces to be bonded the same plastic, but in heated and liquefied form, with which the surfaces are already coated.
- the patent DE 195 02 251 discloses a device which is supplied from a hose isolated pieces of hose and transported transversely within the device in the transport direction (x).
- the pieces of hose lie on a table. In the plane of the table bottoms are formed in the bottom opening station to the hose pieces.
- the trays are closed, whereby components of the trays are permanently connected to one another in the manner described above. It is possible to incorporate a valve in the ground to allow the subsequent filling of the bag.
- the object of the present invention is therefore to propose an apparatus and a method with which the sorting out of defective sacks can be carried out more cost-effectively and reliably.
- a combination of at least one movable deflection means is provided, with which certain bags can be discharged from the sequence of bags produced and from an arrangement of the switch at a distance from the nip, which is greater than the width of a manufactured bag.
- the "certain sacks" may be the sacks identified as defective.
- an essential aspect of the invention is now to arrange the deflection means at a sufficient distance from the last nip, so that the bags can cool sufficiently before they pass through the deflection.
- the heat applied by the hot air which is introduced into the bag material for bottom closure and for application of the ground cover sheet, makes the material very soft and flexible. This laxity of the material is retained for a certain time after production.
- the deflection means at least as far away from the last nip that the sack has completely left this nip before it hits the deflection means with its leading edge.
- the material of which it is composed has cooled sufficiently and thus solidifies again, so that its deflection from the direction of transport in another direction can reliably take place.
- the distance between the nip and the deflection can also be greater than a bag width to allow further cooling.
- the lobed bag material it is also advantageous to promote the bags between the nip and deflection with at least one double belt conveyor, wherein a bag is then clamped between the two Lasttrumen of the upper and lower conveyor.
- the strands are part of circulating conveyors such as belts.
- other funding are conceivable, such as special holding means which are attached to rotating chains.
- the bags are conveyed over a flat surface, for example via a table.
- the surface of the table is advantageously arranged horizontally.
- the upper run of the circulating transport of the upper part of the double belt conveyor at a high distance to the lower run. This should be at least 40cm, especially at least 60 cm. In this free area then, for example, aggregates that promote the cooling process of the bags, such as fans, can be arranged.
- bags of various lengths can be produced in devices for producing bags of coated plastic fabric, it is particularly advantageous to provide two parallel double-belt conveyors, at least one of which is displaceable transversely to the transport direction of the bags.
- the strands of the conveyor can seize the bags near the bottoms, where during the manufacturing process a particularly high heat input occurs and the bags are particularly limp.
- the newly added compared to the devices of the prior art cooling path and deflection means that a device according to the invention builds longer.
- it is provided to supply the defect-free sacks to a further transport device, which then removes the sacks in a direction which runs in the direction of the longitudinal axes of the sacks.
- cooling elements can also be provided between the nip and the deflecting element when the upper strand and the lower strand are not widely spaced.
- the cooling elements may have various configurations, such as lines through which a liquid or gaseous coolant flows, which then preferably consist of metal.
- Particularly advantageous is the arrangement of aggregates, which act on the bags from above with cooling air. This cooling air can then absorb and dissipate heat from the bags.
- an error detection element is arranged between the nip and the deflecting element.
- the error detection element may include an optical sensor that records images from the bags. These images or parts of the images can then be compared in a computing and control unit with other data, such as target data of the bag. However, such further data may also be images or parts of images taken from the same or from another sack. Detects the computing and control unit due to the comparison of a bag as faulty, it can control the deflector accordingly, so that the bag is discharged.
- the invention is in addition to the device described also a method according to claim 8.
- FIG. 1 is a side view of components of the device according to the invention.
- FIG. 2 is a plan view of the components shown in FIG.
- Fig. 1 shows components of a device 1 according to the invention, which are arranged seen in the transport direction x behind the rollers 2 and 3. To understand the function of these rollers, reference is made to the patent application DE 101 04 002 of the Applicant. In the figures shown there, these rollers carry the reference numerals 6 and 4.
- the connecting line between the axes of rotation of the rollers 2 and 3 is substantially vertical to the transport direction x of the bags (ie in the drawn direction y).
- the rollers 2 and 3 Form the nip for pressing the ground cover sheets with the bottoms of the bags, as already described above.
- the bag 4 is shown by way of example.
- the bag 4 is transported by the transport belts 5 and 6 of the double belt conveyor 7 and rests on the surface of the table 8.
- the upper strand 9 of the conveyor belt 6, which is generally referred to as an empty strand, is greatly spaced from the lower strand 10 in the direction y.
- a deflection means 11 is arranged behind the double belt conveyor.
- This comprises at least one lifting cylinder 12, preferably a compressed air cylinder, with which a plunger 13 in the direction of the double arrow A can be raised.
- the plunger In its raised position, the plunger is introduced into the conveying path and deflects the bag from the original transport direction x.
- the bag slides, further advanced by the double belt conveyor 7, along the plunger 13 until it enters the inlet gap of the double belt conveyor 14 and is gripped by this and fed to a collecting or transporting device.
- the plunger 13 releases the further transport path in the transport direction x, so that the bag 4 can reach the transport device 15, which removes the bag in the direction z, which runs essentially at right angles to the original transport direction x ,
- the lifting movement of the plunger 13 can be triggered manually when the operator detects a faulty bag 4.
- the table 8 may comprise a transparent surface, are arranged under the lighting means. Thus, they illuminate the bag 4, so that the operating personnel who inspected the bag from above can better recognize production and / or material defects compared to the visual inspection that was previously carried out on machines of the prior art.
- the distance from the lower run 10 arranged Obertrum 9 facilitates the observation of the bags, since it provides sufficient space for this.
- FIG. 2 illustrates the already described situation in the plan view.
- the comparison of FIGS. 1 and 2 shows that the rollers 2 and 3 are each in individual sections
- Rollers 2 and 2 'and 3 and 3' are divided, each with only the
- Sacks 4 are folded. In this way, the heat introduced into the bottoms 16 during manufacture radiates substantially upwards.
- the belts 6 and 6 'detect the bag 4 in its end, but without coming into contact with the plates 16.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006041275A DE102006041275B4 (de) | 2006-09-02 | 2006-09-02 | Vorrichtung und Verfahren zur Herstellung von Säcken aus beschichtetem Kunststoffgewebe |
PCT/EP2007/059100 WO2008028867A1 (de) | 2006-09-02 | 2007-08-31 | Vorrichtung und verfahren zur herstellung von säcken aus beschichtetem kunststoffgewebe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2059386A1 true EP2059386A1 (de) | 2009-05-20 |
EP2059386B1 EP2059386B1 (de) | 2010-04-28 |
Family
ID=38596056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07803105A Active EP2059386B1 (de) | 2006-09-02 | 2007-08-31 | Vorrichtung und verfahren zur herstellung von säcken aus beschichtetem kunststoffgewebe |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2059386B1 (de) |
CN (1) | CN101511574B (de) |
AT (1) | ATE465865T1 (de) |
BR (1) | BRPI0717013B1 (de) |
DE (2) | DE102006041275B4 (de) |
WO (1) | WO2008028867A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008017441B4 (de) * | 2008-04-03 | 2014-05-28 | Windmöller & Hölscher Kg | Verfahren und Anordnung zur Herstellung von Säcken aus Gewebematerial |
DE102008017446A1 (de) * | 2008-04-03 | 2009-10-15 | Windmöller & Hölscher Kg | Vorrichtung und Verfahren zur Herstellung von Säcken |
DE102008017444B4 (de) * | 2008-04-03 | 2011-07-28 | Windmöller & Hölscher KG, 49525 | Vorrichtung und Verfahren zur Herstellung von Säcken aus Schlauchstücken |
DE102008017443B4 (de) * | 2008-04-03 | 2014-05-28 | Windmöller & Hölscher Kg | Vorrichtung und Verfahren zur Herstellung von Säcken aus Schlauchstücken |
DE102009000454B4 (de) * | 2009-01-28 | 2018-10-31 | Windmöller & Hölscher Kg | Vorrichtung und Verfahren zur Herstellung von Säcken aus schlauchförmigem Material |
DE102009036556A1 (de) * | 2009-08-10 | 2011-02-17 | Windmöller & Hölscher Kg | Verfahren und Vorrichtung zur Herstellung eines Sacks oder eines Beutels mit Vliesmaterial sowie Sack oder Beutel, welcher Vliesmaterial umfasst |
CN103517804B (zh) * | 2010-10-01 | 2015-09-09 | 温德莫勒及霍尔希尔公司 | 用于由袋囊件制造袋子的装置和方法 |
EP3002066A1 (de) * | 2014-10-02 | 2016-04-06 | Starlinger & Co. Gesellschaft m.b.H. | Vorrichtung zur Kühlung von auf einer Oberfläche von Sackkörpern aufgebrachtem Klebstoff |
DE102015201691A1 (de) * | 2015-01-30 | 2016-08-18 | Windmöller & Hölscher Kg | Verfahren und Vorrichtung zum Anformen wenigstens eines Bodens an ein Schlauchstück |
DE102019215675A1 (de) * | 2019-10-11 | 2021-04-15 | Windmöller & Hölscher Kg | Sacktransport- und Sackstapeleinrichtung sowie Verfahren zum Transportieren von Säcken oder Sackstapeln |
CN114261145B (zh) * | 2022-01-17 | 2024-01-12 | 德清新顶包装有限公司 | 一种牛排包装袋生产成型装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1122788A (en) * | 1964-09-11 | 1968-08-07 | Windmoeller & Hoelscher | Bag making machine incorporating means for checking the bag closures |
DE2100898A1 (de) * | 1971-01-09 | 1972-07-20 | Honsei, Karl-Heinz, 4800 Bielefeld | Sackmaschine mit einer von einer Prüfeinrichtung gesteuerten Ausscheideweiche |
DE4217623B4 (de) * | 1992-05-27 | 2008-02-07 | Windmöller & Hölscher Kg | Verfahren zur Prüfung der Ausbildung kontinuierlich geförderter Werkstücke |
DE4401723A1 (de) * | 1994-01-21 | 1995-07-27 | Windmoeller & Hoelscher | Vorrichtung zum Herstellen eines mehrlagigen Schlauches zur Sackherstellung |
DE10104002B4 (de) * | 2000-12-12 | 2009-12-31 | Windmöller & Hölscher Kg | Verfahren zum Temperieren zu verklebender Kunststofffolien sowie Vorrichtung zum Verkleben von Kunstfolie mit temperaturgesteuerter Transportwalze |
US20060084559A1 (en) * | 2004-10-19 | 2006-04-20 | Paul Selle | Rotary bag machine |
-
2006
- 2006-09-02 DE DE102006041275A patent/DE102006041275B4/de not_active Expired - Fee Related
-
2007
- 2007-08-31 BR BRPI0717013-0A patent/BRPI0717013B1/pt active IP Right Grant
- 2007-08-31 DE DE502007003622T patent/DE502007003622D1/de active Active
- 2007-08-31 CN CN2007800322677A patent/CN101511574B/zh active Active
- 2007-08-31 EP EP07803105A patent/EP2059386B1/de active Active
- 2007-08-31 WO PCT/EP2007/059100 patent/WO2008028867A1/de active Application Filing
- 2007-08-31 AT AT07803105T patent/ATE465865T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO2008028867A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102006041275B4 (de) | 2013-02-14 |
WO2008028867A1 (de) | 2008-03-13 |
DE502007003622D1 (de) | 2010-06-10 |
CN101511574B (zh) | 2011-11-16 |
BRPI0717013B1 (pt) | 2018-05-29 |
DE102006041275A1 (de) | 2008-03-20 |
BRPI0717013A2 (pt) | 2013-10-08 |
EP2059386B1 (de) | 2010-04-28 |
ATE465865T1 (de) | 2010-05-15 |
CN101511574A (zh) | 2009-08-19 |
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