EP2344328A1 - Verfahren und vorrichtung zur weiterverarbeitung von sackhalbzeugen - Google Patents
Verfahren und vorrichtung zur weiterverarbeitung von sackhalbzeugenInfo
- Publication number
- EP2344328A1 EP2344328A1 EP09744665A EP09744665A EP2344328A1 EP 2344328 A1 EP2344328 A1 EP 2344328A1 EP 09744665 A EP09744665 A EP 09744665A EP 09744665 A EP09744665 A EP 09744665A EP 2344328 A1 EP2344328 A1 EP 2344328A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- semi
- finished
- glue
- data
- sacks
- 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
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
- 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
- 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
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives
Definitions
- the invention relates to a device and a method for the further processing of semi-finished sacks and a data packet, data flow or data carrier, which can set up a device for carrying out the method according to the invention.
- Devices for further processing of semi-finished sacks are used in the production of various types of sacks.
- methods for further processing of semi-finished sacks is meant that at least part of the processing steps that occur between the present of the sack material and the emergence of the finished sack, part of the process.
- the bags produced with the overall method include, for example, the so-called valve sacks, in which valve sheets are generally inserted in the production of the bottoms.
- the bottoms themselves are often designed as cross bottoms, as shown for example in DE 090 145 48 U1 and DE 3020043 A1.
- parts of the floors are glued to each other and / or with the valve leaflets with the help of glue.
- either the areas of the bottom folds to be bonded or the pieces of paper associated with them, that is to say all areas to be bonded together, are provided with a glue trace and then glued together by joining or folding.
- the order of a format-appropriate glue track is usually done by a mounted on a rotating roller format part is brought in a revolution of the roller with a glue roller or other Leim arrived- or transfer parts in contact and thereby applied with glue.
- the format plate transfers the glue stored on it to the respectively to be bonded areas of the later bag bottoms or the slip.
- the format part is provided with characteristic elevations, which are adapted to a specific sack format.
- size-appropriate glue line is to be understood as an order form tailored to the type and format of the bag The order within this order form generally takes place flatly, whereby the edges of the form often have special significance for the durability and tightness of the bags.
- EP 1 648 688 B1 shows a
- Glue valves are assigned one or more glue outlet openings from which the glue is applied to the sack components.
- the data determined during the recording are transmitted to a control device, and that the control device transmits control commands on the basis of the data.
- control commands are used to control devices that play a role in the further processing of semi-finished sacks to bags.
- the devices in question may be components of so-called Bodenlegevorraumen, with which pieces of tubing are processed into bags.
- Glueing devices and / or separation switches should be among the devices that always receive control commands when using the method.
- data Prior to the gluing of the semi-finished sacks (of the workpieces), data is recorded by the sensor device on at least a subset of the semi-finished sacks to be glued. It may also be advantageous if, after gluing, data of the glued semi-finished sacks are determined. This may be data on the "quality" of the glue trace, or the ratio of the actual glued surface (actual gluing surface) to the surface to be glued (desired gluing surface) Control device transmitted, which then sends out control commands that intervene in the production processes of the bottom layer.
- control device any device which is able to receive signals (data) and output control commands based on these signals.
- the sensor device records or records data about the position and / or the dimensions of the sacked semi-finished products.
- the location of the semi-finished sacks is meant not only the relative position that occupies the semi-finished bag against the gluing station. Rather, a possible "misalignment" of the semi-finished sack of an advantageous embodiment of the sensor device can be determined.
- the sack semi-finished product is usually located on a conveyor belt for transport to the gluing station.
- the conveyor belt may be, for example, a cable cord.
- the gluing station based on the data determined by the sensor device, the shape of the glue trace, which at least is to be applied to a semi-finished bag, controls.
- the shape of the (planar) glue trace in this case means the area on the semi-finished sack which is provided with glue.
- the surface can be closed, that is completely covered with glue, or only partially closed (some areas within the area were not provided with glue).
- a digital target image of the shape of a glue trace can be stored in the control device.
- the digital target image is matched to a semi-finished bag of known dimensions and geometry. If the shape of semi-finished sacks changes during production, the control device can calculate at least one further (current) digital target image in the form of a glue trace based on the stored target image (the data on the shape of the semi-finished sacks). This current target image can then be based on the gluing of the at least one semi-finished bag.
- the control device of the gluing station transmits the suitable control commands via a suitable data line. At least two glue valves are used to apply the (flat) glue line.
- a change in the shape of the glue trace is brought about on the basis of the instructions of the control device by opening at least one glue valve in the glueing station during the gluing of a first semi-finished product for different times than during the gluing of a second bagged semi-finished product.
- the glue application width of a valve is between 20 and 1 mm, or between 10 and 2 mm, but preferably between 5 and 2.5 mm.
- each bag semi-finished product is supplied individually with a suitable glue track (glue surface) due to its geometry.
- the gluing station is actuated (by the control device) to correct the gluing image.
- a control of the (areal) glue trace can cause the glued area on the semi-finished sack to widen and / or narrow.
- a too wide bottom flap - the surface to be glued is increased.
- a valve must be switched off. For example, in a folded corner of a bottom flap, it makes sense if the control of the (area) glue track causes the shape of the glue application is changed. The area of the folded corner is not provided with glue, so as not to contaminate the conveyor belt.
- the control device would have to simultaneously take into account a change in the gluing width and the gluing surface and, accordingly, valves of the gluing station should be switched on and / or off sequentially.
- at least one glue application tool glue application head
- the sensor device In the production process of the floor layer, it may happen that the sensor device, for example, records the geometry or shape of a semi-finished sack (an open bottom square), which due to its defective shape can no longer be made into a good product. Then it is advantageous if a separating device is provided, which eliminates at least one semi-finished bag on the basis of the data of the sensor device from the amount of glued or to be glued semi-finished sacks. In addition, it makes sense, of course, to provide this semi-finished bag not even with glue and shut off all valves of the gluing station (when passing this deficient semi-finished bag) accordingly.
- a particularly preferred embodiment of the invention includes that the data for the position and / or shape of the semi-finished sacks to each semi-finished bag, which is glued in the gluing station, are determined. As a result, a particularly high quality standard of the finished bags can be guaranteed.
- system error is meant that more than one sack in a row has the same error.
- Such errors can also be detected, if not every semi-finished bag, but for example only every n-th semi-finished bag.
- the control device When a system error occurs, it may be advantageous if the control device "schedules" this error if it has detected it based on the measurement of the sensor device and the gluing station accordingly established.
- the n-1 semi-finished sacks can be provided in the same way with corrected glue marks between the detection of the error and the next measurement.
- the sensor device then only records data on the position and / or shape of every tenth semi-finished bag. Especially with floor layers with extremely high transport speed, it may be advantageous not to check each bag semi-finished product in terms of its shape.
- the data transmitted by the sensor device to the control unit can also include data for the position of at least one score line of the unfolded bottom square and / or for the control device as well Data are transmitted to the location of at least one scoring tool.
- a measurement of the position of the crease line can be made with a suitable sensor device, for example optically.
- the position of the respective scoring tool in the device for further processing of the semi-finished sacks is monitored. The data can then be taken into account by the control device in the calculation of the control commands.
- the crease line of the open bottom square later forms the folded edge of the bottom of the bag folded back (or folded) bottom flap.
- the control device can control the gluing station in such a way that a glue trace is produced on at least one bottom square whose edge has a nominal distance from the score line.
- the target distance of the glue line to the score line is between 5 and 1 mm, advantageously between 3 and 1.5 mm.
- the nominal distance can also be zero. Gluing beyond the score line (nominal distance negative) may also be advantageous.
- an "additional valve" of the at least one glue application head at the level of a score line of the open sack has the smallest distance. With such positioning of the applicator head of the gluing station, there is no valve (and no glue exit opening) between the creasing lines of the opened sack bottom, the so-called glue-free area.
- Devices for carrying out the method according to the invention comprise processing stations which perform processing steps which play a role in the further processing of sack semifinished products into sacks.
- the respective processing stations may be components of so-called Bodenlegevorraumen, with which pieces of tubing are processed into bags, or even whole Bodenlegevorraumen.
- Glueing devices and / or separation switches should be among the devices that always receive control commands when using the method.
- the semi-finished sacks are conveyed in a conveying direction through processing stations. It is advantageous if a glue application tool is movable transversely to the conveying direction.
- a glue application tool in this context is a tool that is suitable for applying glue.
- Glue valves can be arranged on applicator heads, whereby the application head is considered a glue application tool.
- Methods according to the invention can be carried out in part on devices for the further processing of sacks, if a suitable sensor device is present and if a suitable control device for carrying out the method is set. This can be done by loading program modules that ultimately consist of a chain of program instructions. Also the program commands are For your part, data that can be stored on data carriers or transmitted as a data packet and data flow. Suitable devices can thus be adjusted very quickly to carry out the described method.
- Fig. 1 A single provided for the gluing station in the floor laying device according to the invention
- FIG. 4 The unfolded bottom squares of the largest 30 and of the smallest 45 sack format before reaching a gluing station with two application heads
- FIG. 5 The sketch of a sack in a bottom laying device from the viewing direction indicated by the arrow 49
- FIG. 6 A plan view of the sack semifinished product facing side of a gun Fig. 7
- Fig. 1 shows a gun 1, as it is used in a Beleimungsstation in Bodenlegevorraum invention. This
- Application head 1 is composed of a job plate 2, to which valves 3 are attached.
- the glue is the order head 1 on the Glue feed 4 supplied.
- the gluing station are fed in the direction x unprimed labels 5.
- Each valve 3 is assigned in the non-glued sheets 5 side facing the application plate 2 one or a group of glue outlet openings.
- the glue flow to the glue outlet opening can be made or interrupted by the associated valve 3. In this way, it is possible to apply 5 different glue tracks on the unprimed label, which run parallel to the conveying direction x of the unprimed label 5.
- a regularly interrupted glue trace 5 can be applied.
- the application head 1 can likewise be displaced in this direction.
- the applicator head 1 just described can be used not only for gluing of slips 5, but is also suitable for applying glue to the areas to be bonded of the later sack bottom 64 due to a variability of the glue slices that can be produced.
- the latter type of use of such application heads is in the foreground of present document.
- FIG. 2 shows a bag bottom 64, which is provided with a glue track 68 by two application heads 40.
- the area 63 between the score lines 33 is not provided with glue. Therefore, an additional glue valve 43, which is the first valve in the direction of propagation of the application head 40 in the y direction, is located at the level of the crease line 33.
- the additional glue valve 43 generally has a finer glue outlet opening than the remaining valves 3, 42 This allows a very fine glue line 67 to be created.
- these 40, 40' are mounted so as to be movable relative to one another on a guide 66 in the y-direction.
- the unfolded bottom square 64 is fed in the x direction to the gluing station and thus to the application heads 40, 40 '.
- the valves 42,43 of the application heads 40, 40 ' which cover the application areas 37, 38 of the bottom flaps 65, 65', are activated at least temporarily during the gluing phase of the bottom floor 64.
- Each valve 42, 43 which is at least temporarily active during the gluing phase, generates a glue line 67 on the open bag bottom 64.
- the sum of the individual glue lines 67 of the active valves 42, 43 results in the glue track 68.
- FIG. 3 shows, inter alia, the unfolded bottom squares of the largest 30 and the smallest 45 sack format, which can be glued to a gluing station.
- the contours of the largest sack format 30 are shown with thicker lines than those of the smallest sack format 45. From the largest sack format 30, the outer edges of the bottom flaps 31, the score lines 33 and the triangular pockets 36 are provided with reference numerals. All in all, however, the expert will be aware of all the contours shown, since cross bottoms - for example of cement sacks - have had these contours for decades in the unfolded state.
- the contours of the smallest floor square 45 provided with reference numerals are again the outer edges of the bottom flaps 32, the score lines 34 and the triangular pockets 46.
- the two illustrated bottom squares 30 and 45 are aligned with each other so that they have the same bottom center line 35. This corresponds to the transport situation of the sacks or sack components in the majority of modern devices for the production of sacks: In these devices, the sacks are transported during a part of the sack production with the bottom square folded out. Bags of different sizes, which are made to process different jobs on the same device (staggered), are often conveyed along the same ground centerline 35 with the hose body 47 in the folded state.
- the first bar 37 symbolizes an application area whose length corresponds to the distance between the score line 34 of the smallest bag format and the outer edge of the largest bag format 31 to one side of the bottom center line 35.
- the length of the beam 38 corresponds to the distance of the score line 34 of the smallest sack format that can be made in the respective gluing station or the bottom layer, and the outer edge 32 of the bottom flap of the smallest sack format.
- the total length of the beam 51 is the total area that can be coated in a gluing station to one side of the bottom center line in the germinating process if the application heads either have a correspondingly wide application area or are movable in this area.
- the present document proposes applicator heads having a maximum application area of lesser length than the bar 51.
- Section 52 of the bar 51 is the distance between the bottom center line 35 and the crease line 34 of the smallest bag format 45.
- Section 39 of the bar 51 corresponds to the length of the bar Application area to be saved when the application area of at least one applicator head 3, 40 has only a length corresponding to the distance between the score line 33 and the outer edge 31 of the bottom flap of the largest bag size and not the distance between the outer edge 31 of the bottom flap of the largest Sack format and the crease line 34 of the smallest sack format (area which must be providable with glue) corresponds.
- the gun in question should also relative to the or the other order heads - or floor sliders with the fixed bottom center line relative to the bottom center line - be movable.
- the area between the score line 33 of the smallest possible bag size and the outer edge of the bottom flap of the largest possible bag area is the minimum area to which glue application in the production of the various possible bag formats (to one side of the bottom center line) should be possible.
- the present document provides advantageous devices for bag making and gluing, having guns with job lengths shorter than this range.
- FIG. 4 again shows the bottom squares 30 and 45 shown in FIG. 3.
- the two application heads 40 with the two application plates 41 are shown on the right-hand edge of the figure.
- the arrows x and y which represent the transport direction of the bags and a spatial direction orthogonal thereto, it is symbolized that the sacks are transported into the working area of the application heads 40.
- the transport can proceed in the manner outlined in FIG. Not to be neglected is that at least one of the guns should be movable in the y-direction, which is represented by the double arrow 44.
- a mobility of both heads brings advantages.
- both applicator heads 40 should be movable relative to the bottom centerline 35.
- the application heads carry glue valves 42 and 43.
- a glue valve is a component that can open and close a glue line.
- Glue valves 42, 43 of this type usually supply one or more glue outlet openings 50, 51 which extrude glue onto the bag on the side applied to the viewer.
- additional valve 43 means that the number of valves active for the glueing per unit length is higher than this With this measure, the number of active glue valves 42, 43 per unit length (of the application area) can be increased in a certain length of the application area of an application head 40.
- the additional glue valves 43 can then have a smaller number 6 (Fig.
- the "resolution" can be varied with that of the glue outlet conduits - and thus a smaller length B in which the glue flow through the valve is decisive Set glue formats, from A (normal Application range of a valve) to B (reduced application range of an "additional" valve).
- FIG. 6 again illustrates this circumstance. It can not be seen that in each case two of the normal glue application openings 50 are each associated with a normal glue valve 42, that is, they receive their glue via this glue valve 42. This results in an active order range of such a normal glue valve, as shown by the curly bracket A. It covers two normal glue application openings 50.
- the additional glue application opening 51 is assigned an additional glue valve 43 (FIG. 2) exclusively.
- the wiring of this additional glue valve 43 thus only leads to a variation of the length of the glue application area by B. B only sweeps over a glue application opening and is thus - if all glue application openings have the same distance from each other - half as long as A.
- the illustrated measures are advantageous in both end regions of the application area.
- FIG. 7 shows a further sketch of an unfolded bottom square of a bag, which was provided with two different glue tracks to illustrate the range of the methods presented here.
- the upper bottom flap 65 ' is provided with a glue trace 68', which takes into account the folded corner 69.
- the folded corner 69 of the upper bottom flap 65 ' results in a change in geometry of the same 65.
- the consideration of the folded corner 69 when applying glue is done here by the different control of glue valves 42.
- Figure 8 shows a glued slip (valve or floor slip), which was just on his transport through his assigned Beleimungsstation in his transport. Accordingly, the glue lines 67 'extend parallel to the longitudinal edges of the sheet 5'.
Landscapes
- Making Paper Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008053033A DE102008053033A1 (de) | 2008-10-24 | 2008-10-24 | Verfahren und Vorrichtung zur Weiterverarbeitung von Sackhalbzeugen |
| PCT/EP2009/063841 WO2010046416A1 (de) | 2008-10-24 | 2009-10-22 | Verfahren und vorrichtung zur weiterverarbeitung von sackhalbzeugen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2344328A1 true EP2344328A1 (de) | 2011-07-20 |
| EP2344328B1 EP2344328B1 (de) | 2017-04-12 |
Family
ID=41435417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09744665.2A Active EP2344328B1 (de) | 2008-10-24 | 2009-10-22 | Verfahren und vorrichtung zur weiterverarbeitung von sackhalbzeugen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2344328B1 (de) |
| DE (1) | DE102008053033A1 (de) |
| WO (1) | WO2010046416A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791582A (zh) * | 2016-08-29 | 2018-03-13 | 宜兴威尼特集装袋有限公司 | 纸袋生产系统 |
| CN111186173B (zh) * | 2020-03-17 | 2024-08-02 | 安徽宜人医用包装有限公司 | 一种灭菌纸包装袋生产的涂胶装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3020043A1 (de) | 1980-05-24 | 1981-12-03 | Bischof Und Klein Gmbh & Co, 4540 Lengerich | Kreuzbodensack |
| DE9014548U1 (de) | 1990-10-20 | 1991-01-03 | Bischof Und Klein Gmbh & Co, 4540 Lengerich | Flexibles Verpackungsbehältnis in Form eines Ventilsackes oder -beutels |
| GB2297616B (en) * | 1994-06-03 | 1997-03-19 | Nireco Corp | Apparatus for monitoring glue application state |
| DE19805321C1 (de) * | 1997-11-11 | 1999-08-05 | Windmoeller & Hoelscher | Verfahren zum Prüfen der Klebstoffaufträge auf den Böden von Säcken oder Beuteln |
| DE10242732A1 (de) * | 2002-09-13 | 2004-03-25 | Windmöller & Hölscher Kg | Bedienungsstation und ein Bedienverfahren für einen Kreuzbodenleger |
| DE10330751A1 (de) * | 2003-07-07 | 2005-02-10 | Windmöller & Hölscher Kg | Bodenlegevorrichtung für Papiersäcke |
| DE10330750B4 (de) | 2003-07-07 | 2005-09-15 | Windmöller & Hölscher Kg | Bodenlegevorrichtung für Papiersäcke |
| DE102005046660B4 (de) * | 2005-09-29 | 2016-02-11 | Windmöller & Hölscher Kg | Herstellvorrichtung und -verfahren von Säcken oder Sackhalbzeugen umfassend eine Messung von Leimaufträgen |
-
2008
- 2008-10-24 DE DE102008053033A patent/DE102008053033A1/de not_active Ceased
-
2009
- 2009-10-22 WO PCT/EP2009/063841 patent/WO2010046416A1/de not_active Ceased
- 2009-10-22 EP EP09744665.2A patent/EP2344328B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010046416A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2344328B1 (de) | 2017-04-12 |
| DE102008053033A1 (de) | 2010-04-29 |
| WO2010046416A1 (de) | 2010-04-29 |
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