EP2456569A1 - Vorrichtung zum versehen von werkstücken oder bahnen mit leim - Google Patents
Vorrichtung zum versehen von werkstücken oder bahnen mit leimInfo
- Publication number
- EP2456569A1 EP2456569A1 EP10737026A EP10737026A EP2456569A1 EP 2456569 A1 EP2456569 A1 EP 2456569A1 EP 10737026 A EP10737026 A EP 10737026A EP 10737026 A EP10737026 A EP 10737026A EP 2456569 A1 EP2456569 A1 EP 2456569A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glue
- nozzle plate
- outlet openings
- web
- workpiece
- 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
- 239000003292 glue Substances 0.000 title claims abstract description 94
- 239000011248 coating agent Substances 0.000 title claims description 5
- 238000000576 coating method Methods 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 description 12
- 238000004026 adhesive bonding Methods 0.000 description 11
- 239000012530 fluid Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 230000035508 accumulation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
- B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
- B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
- B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
Definitions
- the invention relates to a device for providing workpieces or webs with glue according to the preamble of claim 1.
- adhesions must be made at various stages of production adhesives.
- the tube is singulated into pieces of tubing, to which subsequently formed soils and / or other workpieces are attached.
- the material of these sacks, here paper and / or plastic is provided with glue, often starch glue, so that different components of the later sacks can be joined together.
- the gluing must be done according to a specified pattern in order not to cause unwanted gluing.
- format parts have been used for this, which are fastened on rollers or which are designed like a roller and which are exposed to glue.
- the glue is then delivered to the component to be glued according to the format.
- the present invention is not limited to the production of paper bags or sacks, but may also be used in the processing of any workpieces or webs, especially in the field of packaging.
- Such a device comprises a nozzle plate on which the workpieces or the webs along a transport direction are passed over. Most of the workpieces to be glued touch the nozzle plate. This has a first surface, which faces the workpieces to be glued.
- the nozzle plate comprises a plurality of glue outlet openings, from which glue emerges, which then adhere to the areas of the workpieces to be glued.
- glue reservoirs and / or glue lines are provided with which the required glue can be provided.
- glue valves are provided between the glue reservoirs and / or glue lines and the glue outlet openings.
- Each glue valve can be assigned a single glue outlet opening or a group of glue outlet openings.
- the glue flow between the glue reservoirs and / or glue lines and the glue outlet openings can be produced and interrupted.
- By selective control of the valves so a desired glue format can be applied directly to the workpiece to be bonded.
- the bringing together of the components to be bonded takes place in the transport direction behind the device just described and will not be described in detail here.
- the first-mentioned patent application shows in its Figure 11 a structure of such a device, but in which the nozzle plate between the first plane or the first surface on which the workpieces or the web are passed, and seen in the transport direction of the workpieces or the web rear, second surface is provided approximately a right angle. As can be seen, the edge between the two surfaces has a chamfer.
- the described devices have already proven themselves in practice, the shortcomings described below occur at times.
- the glue has been applied to the material, it is initially in contact with the nozzle plate. At the back edge of this plate, the glue often sticks and collects there. This glue accumulated there and even contaminated by foreign matter such as paper fibers can dissolve and get onto a workpiece. This workpiece can no longer be glued properly. This can, for example, result in leaks in the subsequent bag, so that the quality of such bags can be regarded as impaired.
- the object of the present invention is therefore to improve the described device so that the quality of the bags produced therewith is improved.
- the object is achieved by a device which comprises in addition to the preamble features of claim 1 and its characterizing features. Accordingly, it is provided that the first surface and the second surface at an angle to each other, which is smaller than 90 degrees.
- the first surface is the surface on which the workpiece to be provided with glue or the web can be guided past. This first surface is thus facing the workpiece or the web.
- the second surface is a surface arranged on the rear end seen in the transport direction of the workpieces or the web and does not touch the workpiece. Both surfaces can be connected by a common edge, which often represents a so-called trailing edge, at which the workpiece loses contact with the nozzle plate.
- the second surface may be followed by other surfaces, in particular one which is perpendicular to the first surface.
- the edge that is to say the transitional area between the first and the second surface, can be designed in various ways.
- a chamfer may also be provided with a rounding or a small intermediate surface, these being very small in their extent with respect to the surfaces mentioned.
- the angle between said first surface and said second surface is preferably substantially less than 90 degrees, for example 45 degrees.
- a projection which may also be referred to as nose, is provided.
- the advantage of such a design of the nozzle plate is the fact that the glue now does not accumulate directly on the edge, but on the second surface, which is not in contact with the workpiece or the web. Due to the angle of less than 90 of the accumulating glue is no longer or at least not so strong in contact with the workpieces, so that the risk that dissolves this Leimansammlung, compared to devices of the prior art is significantly reduced.
- a further advantage of the invention is that deposits less dirt particles on the side facing away from the workpieces, since the potential contact surface for the glue is now smaller. Glue accumulations grow thereby slower than those in devices of the prior art. In prior art devices, however, it has already been possible to interrupt production at regular intervals to remove the accumulated glue.
- the glue outlet openings are arranged in the transition region between the two surfaces. If, for example, this transition region is designed as a chamfer, the glue outlet openings can open at least partially in this chamfer. In other words, the glue outlet openings are arranged directly on the tip of the projection or the nose. In order to it is achieved that the glue after leaving the glue outlet openings as possible no longer comes into contact with the nozzle plate. Thus, the rate of growth of the glue pool is significantly reduced, which greatly restrains the number of low-quality bags or, with regular cleaning of the device, reduces the number of breaks in production for the purpose of cleaning.
- the end regions of the feed lines which supply the glue to the glue outlet openings are arranged at an acute angle to the surface region with which the workpiece or the web can be guided (guide surface).
- This angle can, for example, approximately halve the angle between the two surfaces, ie between the guide surface and the projection or nose bridge surface.
- the second surface is at least partially provided with a coating.
- a non-stick coating is provided. Non-stick materials that can be used at this point are known.
- PTFE PTFE
- Teflon PTFE
- the glue is a water-based glue.
- P PTFE is highly hydrophobic, with the advantage that the sticking tendency of the glue on that surface is increased by this measure
- a further, advantageous development of the invention comprises further media outlet openings, which are arranged in the area of the undercut and which are directed onto the surface of the undercut facing away from the workpieces
- independent media lines with media outlets are also conceivable in this embodiment, cleaning of the nozzle plate from glue accumulations is now greatly simplified, which leads to an acceleration of the cleaning process, so that the duration for a cleaning cycle is shortened t, which increases the productivity of the device.
- these media outlet openings can be acted upon by medium lines with medium.
- the exit direction can therefore be directed directly onto the side of the projection which faces away from the workpieces, that is to say the second surface.
- the direction may also be directed to an adjacent surface, so that the medium is deflected when hitting the rear surface.
- valves are arranged in the media lines, with which the media flow can be produced and interrupted.
- the medium is exposed to a higher pressure than the ambient pressure.
- valves so effective cleaning can be achieved.
- FIG. 1 side view of a schematically illustrated, inventive
- FIG. 2 Enlarged view of the area of Figure 1, which is surrounded by a dashed right-angled.
- Fig. 1 and Fig. 2 show a device 1 for providing flat
- Hose pieces are, for example, pieces of hose 2.
- webs are used to form hoses along Longitudinal seams provided with glue.
- Hose pieces can be provided with glue, for example, to glue on or stick on valve leaflet, inner latch or bottom cover sheets.
- glue for example, to glue on or stick on valve leaflet, inner latch or bottom cover sheets.
- the bonding of floor flaps done (so-called soil bonding).
- the tube pieces 2 are conveyed by an indicated transport device 3 in the transport direction x, which runs transversely to the main extension direction y of the tube pieces 2, through the device 1.
- the ends of the tube pieces 2, of which only one is shown, have been raised to form flaps and folded triangular pockets.
- This wound-up end forms an area that is orthogonal to the main extension direction of the tube piece 2 (direction z).
- the front of this surface, which is thus facing away from the main part of the hose piece 2, must be freely accessible for gluing with glue. So that during the gluing process the wound-up end does not yield back, the back of the surface is supported by an abutment 5.
- this counter-5 comprises an endless conveyor belt 6, which rotates about two cylinders 7 and 8, of which at least one is driven.
- the abutment may also comprise a rotating cylinder or even a fixed baffle.
- a gluing head 9 On the front of the floors, a gluing head 9 is provided, which ensures the glue application according to the desired format.
- This gluing head 9 comprises a nozzle plate 10, which can be subdivided into a nozzle body 11 and a pressure plate 12.
- the two latter elements 11 and 12 are shown separately in the figure, but may also be integrally formed.
- the conveyor belt 6 facing the first surface 13 of the pressure plate 12 may form a small angle with the conveyor belt 6, so that conveyor belt 6 and first surface 13 form an inlet funnel, ie the distance between the two surfaces decreases in the transport direction x.
- the surface 13 can also be regarded as limited in the transport direction x by the lines A and B.
- the lines are in the figure 1 out of the plane, so that they are recognizable in the figure only as points.
- this is provided with an undercut 14.
- Said undercut 14 can be produced, for example, by a machining method such as milling.
- the rear, second surface 18 is limited in the figure 1 by the lines B and C.
- the surfaces 13 and 18 enclose an angle ⁇ which may be between 0 and 90 degrees, for example at 45 degrees.
- the line C is also on the drawing level and, like the lines A and B in FIG. 1, can only be represented as a dot.
- the invention can also be defined in another way. Thereafter, as seen in the transport direction x, the line C is arranged in front of the line B.
- the gluing head 9 comprises a plurality of valves 19, to which glue can be supplied from a glue reservoir, not shown, via the feed line 20, this glue being under an overpressure.
- a glue flow can now be produced, which can be supplied via the glue lines 21 and 22 of the glue outlet opening 23.
- the direction of the glue flow is indicated by the arrow F.
- the glue lines 21 and 22 can branch, so that a plurality of glue outlet openings can be loaded with glue via a valve.
- the glue lines 21, 22 may be introduced as holes in the material.
- the glue line 22 deserves special attention. This runs obliquely in the transport direction of the hose pieces 2, where they exactly in the edge 15, which connects the surfaces 13 and 15, opens.
- the angle of the glue line 22 is advantageously as large as the angle between the surface 13 and the bisector between the surfaces 13 and 18.
- the axis of the glue line can lie on or parallel to said bisecting line.
- the advantageous embodiment of the gluing head described in the two preceding paragraphs combines further advantages:
- the described undercut 14 allows the glue, which is not taken along by the hose piece 2, to collect on the rear surface 18, so that the probability of this glue accumulation is taken by a contact with a piece of tubing 2 and so leads to contamination, is reduced.
- the described arrangement of the glue outlet openings 23 also contributes to the fact that the leaked glue barely makes contact with the outer surfaces of the gluing head 9 so that the glue does not adhere to these surfaces. The amount of glue that collects on the gluing head is thus greatly reduced.
- the accumulating glue can be removed from time to time.
- the gluing head comprises a cleaning device 24.
- This comprises further valves 25 to which a cleaning fluid is provided via the supply lines 26.
- a valve 25 can now establish the connection to the fluid lines 27 and 28, so that the fluid can escape from the fluid outlet openings 30.
- the fluid line 28 is introduced into an extension piece 29, which, however, can also be designed in one piece with the nozzle body 11 and / or the pressure plate 12.
- the fluid line 28 is oriented so that the outflowing fluid can reach the rear surface 16 and from there flow along the rear surface 18, so that it peels off the glue accumulation.
- the described embodiment shows a device with which the contamination of the tube pieces 2 is greatly reduced and can be easily cleaned.
Landscapes
- Coating Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10737026T PL2456569T3 (pl) | 2009-07-24 | 2010-07-22 | Urządzenie do nakładania kleju na element lub pas |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009034686A DE102009034686B3 (de) | 2009-07-24 | 2009-07-24 | Vorrichtung zum Versehen von Werkstücken oder Bahnen mit Leim |
PCT/EP2010/060639 WO2011009914A1 (de) | 2009-07-24 | 2010-07-22 | Vorrichtung zum versehen von werkstücken oder bahnen mit leim |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2456569A1 true EP2456569A1 (de) | 2012-05-30 |
EP2456569B1 EP2456569B1 (de) | 2015-07-08 |
Family
ID=42732834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10737026.4A Active EP2456569B1 (de) | 2009-07-24 | 2010-07-22 | Vorrichtung zum versehen von werkstücken oder bahnen mit leim |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2456569B1 (de) |
DE (1) | DE102009034686B3 (de) |
ES (1) | ES2548388T3 (de) |
PL (1) | PL2456569T3 (de) |
WO (1) | WO2011009914A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017207851B4 (de) | 2017-05-10 | 2023-02-16 | Audi Ag | Vorrichtung und Verfahren zum Auftragen von flüssigem Klebstoff |
DE102018127277A1 (de) * | 2018-10-31 | 2020-04-30 | Illinois Tool Works Inc. | Düsenanordnung und system zum auftragen von fluiden auf ein substrat sowie ein entsprechendes verfahren |
CN115007518A (zh) * | 2022-06-01 | 2022-09-06 | 刘航 | 一种rfid电子设备制造用生产线 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6268569A (ja) * | 1985-09-20 | 1987-03-28 | Meiji Kikai Seisakusho:Kk | 接着剤塗付具 |
US5067432A (en) * | 1990-05-23 | 1991-11-26 | Extrusion Dies, Inc. | Replaceable wiping insert for slot die head |
US5540801A (en) * | 1992-02-28 | 1996-07-30 | Nordson Corporation | Apparatus for forming core layers for plywood |
US6419747B1 (en) * | 1999-02-26 | 2002-07-16 | The Procter & Gamble Company | Extrusion die |
DE10309893B4 (de) * | 2002-09-13 | 2019-05-23 | Windmöller & Hölscher Kg | Bodenlegevorrichtung für Papiersäcke sowie Verfahren zum Betrieb einer Bodenlegevorrichtung |
DE10327646B4 (de) * | 2002-09-13 | 2007-07-12 | Windmöller & Hölscher Kg | Vorrichtung zur Bildung eines Leimprofils für Kreuzbodensäcke |
DE10242732A1 (de) * | 2002-09-13 | 2004-03-25 | Windmöller & Hölscher Kg | Bedienungsstation und ein Bedienverfahren für einen Kreuzbodenleger |
DE10330750B4 (de) * | 2003-07-07 | 2005-09-15 | Windmöller & Hölscher Kg | Bodenlegevorrichtung für Papiersäcke |
DE10330751A1 (de) * | 2003-07-07 | 2005-02-10 | Windmöller & Hölscher Kg | Bodenlegevorrichtung für Papiersäcke |
DE102004002421A1 (de) * | 2004-01-16 | 2005-08-18 | Atotech Deutschland Gmbh | Düsenanordnung |
-
2009
- 2009-07-24 DE DE102009034686A patent/DE102009034686B3/de active Active
-
2010
- 2010-07-22 PL PL10737026T patent/PL2456569T3/pl unknown
- 2010-07-22 WO PCT/EP2010/060639 patent/WO2011009914A1/de active Application Filing
- 2010-07-22 EP EP10737026.4A patent/EP2456569B1/de active Active
- 2010-07-22 ES ES10737026.4T patent/ES2548388T3/es active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011009914A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102009034686B3 (de) | 2010-12-09 |
ES2548388T3 (es) | 2015-10-16 |
EP2456569B1 (de) | 2015-07-08 |
PL2456569T3 (pl) | 2015-12-31 |
WO2011009914A1 (de) | 2011-01-27 |
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