EP4200130A1 - Vorrichtung zum herstellen eines polsterungserzeugnisses - Google Patents
Vorrichtung zum herstellen eines polsterungserzeugnissesInfo
- Publication number
- EP4200130A1 EP4200130A1 EP21762671.2A EP21762671A EP4200130A1 EP 4200130 A1 EP4200130 A1 EP 4200130A1 EP 21762671 A EP21762671 A EP 21762671A EP 4200130 A1 EP4200130 A1 EP 4200130A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cover
- guide
- safety
- linear guide
- product
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000000295 complement effect Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000004033 plastic Substances 0.000 description 4
- 210000002105 tongue Anatomy 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/0043—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material
-
- 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/0043—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material
- B31D5/0052—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material involving rollers
-
- 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
-
- 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
- B31D2205/0094—Safety devices
Definitions
- the invention relates to a device for producing an upholstery product, which is made from a flat, elongated two- or multi-ply paper strip.
- a generic device for producing an upholstery product is known from DE 10 2012 222 805 A1. This length of the upholstery product can be adjusted by a subsequent separating process (cutting or separating along a perforation). The finished upholstery products are conveyed through an output opening of the device and are available to the user.
- the device for producing an upholstery product is surrounded by a housing.
- the input and output opening must be designed in such a way that the relevant accident prevention regulations are observed and injuries are prevented, even if used improperly.
- the present invention is based, inter alia, on the object of providing a particularly user-friendly and safe device for producing an upholstery product.
- this object is achieved by an apparatus for producing a cushioning product with an entry area for a flat, elongated, two or multi-ply paper strips and an exit area for a padding product made from the paper strip, with a feed mechanism and a crumple mechanism for crumple the paper strip fen, wherein the exit area comprises a removable first cover with a dispensing opening, and optionally wherein the entry area also includes a removable second cover with an entry opening, solved in that the first cover and/or the optional second cover can be connected to the device with a linear guide.
- the invention therefore provides for the first cover of the exit area and the optional second cover of the entry area to be connected to the device by a linear guide, or to be connected to the device. to be detached from the device if necessary.
- connection is particularly advantageous because the paper strip or the finished cushioning product has an elongate structure and the cushioning product is transported substantially linearly through the apparatus.
- the linear guide according to the invention corresponds to the elongate structure of the upholstery product and its transport direction through the device, it is possible to remove the first or the second cover under almost all conceivable conditions. This also applies, and in particular, if, for example, due to a material defect or a malfunction of the device, the upholstery product has become jammed or wedged inside the device and a "disorganized" condition of the upholstery product or the device is present.
- the linear guide according to the invention is very easy to manufacture. Thanks to the linear guide, it is also possible to adjust the cover(s) so that they fit together with the actual housing of the device in the best possible way and within tight tolerances.
- the linear guide according to the invention is also very robust, so that it has a long service life even in rough everyday operation and only rarely needs to be repaired or readjusted.
- the linear guide comprises two guide rails, each with at least one guide edge and two complementary to the guide rails or. their leading edges shaped sliders.
- the linear guide according to the invention is based on the “tongue and groove” principle.
- the guide rails are preferably made of metal (steel sheet or aluminum sheet), so that they are very stable.
- They can be produced inexpensively and with high quality, e.g. B. by punching and/or bending or . Laser cutting and/or bending .
- the sliding pieces interacting with the guide rails can be made of a plastic. Polyamide or a other plastic with similarly good sliding properties is well suited for this.
- the sliders can be plastic injected or made from an extruded profile.
- the result is a very durable and resilient linear guide.
- the material combination of metal and plastic results in a sliding behavior that is very pleasant to the touch or touch for the user; which conveys a high-quality impression to the user.
- the guide edges of the guide rails are arranged parallel to one another and opposite one another.
- the sliding pieces have a groove which interacts with the leading edge of a guide rail in order to implement the tongue and groove principle already mentioned.
- the mechanical load capacity and the accuracy of the linear guide according to the invention can be adapted to the requirements of an application within wide limits.
- the guide rails with the device d. H . a frame which the feed mechanism and / or the Crunching mechanism bears, connected, especially screwed.
- the sliders are preferably associated with the cover. However, it is also possible to attach the sliders to the frame of the device and to connect the guide rails directly or indirectly to the cover.
- the first cover comprises a first and a second safety plate, with the sliders being arranged between the safety plates.
- the sliders can be bolted to safety plates or clamped between them in some other way.
- the safety sheets form a channel which, in normal operation, is used to transport the finished upholstery product to the outlet opening after it has left the crumpler.
- the cross-section of the channel is geometrically similar to the cross-section of the finished cushioning product. This allows the finished cushioning product to be conveyed in the channel from the crumpler to the exit opening.
- the safety sheets also prevent the upholstery product from slipping "laterally”. Reliability and freedom from interference of the device according to the invention are further improved by this channel.
- the Linear guide can also be adjusted in a simple manner by adjusting the distance between the sliders and then screwing or screwing the safety plates to the sliders. the sliders are clamped or clamped between the safety plates. This type of adjustment of the sliding pieces also allows the sliding pieces to be readjusted when wear occurs in the guide groove, so that a low-backlash linear guide is ensured over the entire service life of the device according to the invention.
- the linear guide according to the invention can include stop means and/or locking means, so that the cover is locked in the desired position.
- these stop means can be realized by shoulders or projections in the guide rails.
- the locking means can be designed as a snap connection or latching connection. It is also possible to screw or pin the cover relative to the guide rails or to lock the device in the normal or operating position. This ensures that the cover always remains in the desired place during operation of the device, even if external forces act on the cover. Only if the cover is to be actively removed from the device are the locking means released and the cover can be removed from the device via the linear guide according to the invention.
- guide plates are arranged inside the device, which together with the safety plates form a channel that has no interference contour. The channel preferably widens somewhat in the transport direction at the end of the guide plates at the transition to the safety plates.
- an electrical safety switch is provided in a further advantageous embodiment of the invention.
- This electrical switch releases the power to operate the device according to the invention. It is closed when the first cover or the second cover is in the normal or operating position . As soon as one of the covers is removed, the safety switch opens, so that the power supply to the device is interrupted and neither the transport device nor the crumpler can start. In this way, injury to an operator who performs maintenance work on the device is avoided.
- a linear guide according to the invention can also be realized in an entry area if the entry area includes a removable second cover with an inlet opening and the second cover is realized with a linear guide according to one of the preceding claims.
- the linear guide in the area of the first cover and the exit area is of greater importance, because experience has shown that disturbances occur more frequently there when the finished upholstery product is transported out of the device than when the flat paper strip is drawn into the entry area of the device according to the invention.
- the second cover can also be connectable to the device in the entry area by means of a linear guide according to the invention.
- FIG. 1 shows an isometry of a device according to the invention with a housing that is open in certain areas;
- FIG. 2 shows a longitudinal section of the device according to FIG. 1;
- FIG. 3 shows an enlarged detail from FIG. 4;
- FIG. 4 shows the guidance of the dispensing opening according to the invention;
- FIG. 5 upper and lower safety plate;
- FIG. 6 shows a channel formed from the safety plates;
- Figure 7 shows the first cover;
- FIG. 8 shows a detail from FIG. 1;
- FIG. 9 shows a perspective view of a device according to the invention with the first cover in its normal or operating position.
- FIGS. 10 and 11 details of the guidance of the cushioning product by the device according to the invention and a locking mechanism.
- FIG. 1 shows an isometry of a device 50 according to the invention.
- the part of the device 50 on the left in FIG. 1 is the so-called entry area. He is partially cut free.
- the part on the right in FIG. 1 is the so-called exit area 60 .
- first cover 90 with an exit opening 92 which, in this exemplary embodiment, is shaped like a “dumbbell” in cross section.
- the finished upholstery product emerges from the exit opening 92 . of completeness for the sake of this, reference is also made to a housing 94 of the device 50 and a display 96 of the device 50 .
- the cover 90 together with the outlet opening 92 is not shown in the normal or operating position, which it assumes during operation of the device. It is shown in position after being pulled out of the device along the linear guide according to the invention.
- the cover 90 connects directly to the housing 94, resulting in a closed outer contour of the device 50 (see FIG. 9).
- the paper strip which is formed into a padding product in the device 50, runs through the device 50 in a transport direction 54, which is indicated by an arrow in FIG.
- a flat strip of paper (not shown) in the entry area 52 enters the device 50 through an entry opening not visible in FIG. 1 and leaves the device 50 in the area of the exit opening 92 as a crumpled padding product.
- the linear guide according to the invention is arranged parallel to the transport direction 54 so that the first cover 90 at the exit area 60 can be removed from the device in the transport direction.
- FIG. 2 shows a longitudinal section through the device according to the invention according to FIG.
- the transport direction 54 is also shown.
- a feed mechanism 62 known per se is indicated in this longitudinal section. It comprises a pair of rollers between which the paper strip is clamped and conveyed in the transport direction 54 by rotating the rollers.
- a crumple mechanism 64 is arranged behind the feed mechanism 62 in the transport direction 54 .
- This crumple mechanism 64 also consists of two rollers or a pair of rollers between which the paper strip is clamped and transported.
- the paper strip is crumpled essentially by the fact that the transport speed of the crumple mechanism 64 is lower than that of the feed mechanism 62 .
- the difference in speed between the crumple mechanism 64 and the feed mechanism 62 results in the paper strip "piling up" with the result that the paper strip is crumpled.
- the first cover 90 and parts of the linear guide according to the invention and two safety plates 98 and 100 can be seen in FIG.
- the individual parts of the linear guide and the safety plates are explained in more detail below.
- FIG. 3 shows the essential components of an exemplary embodiment of the linear guide according to the invention. It comprises two guide rails 102 and two sliding pieces 104 cooperating therewith.
- the guide rails 102 each have a guide edge 106 which, together with the guide grooves 108 in the sliding pieces, form the actual linear guide.
- the guiding edges 106 of the guiding strips 102 face away from one another, d. H . they are located on the outside of the guide rails 102 . Accordingly, the guide grooves 108 of the sliders 104 face each other.
- the sliders 104 have oblong holes 110 open to the side.
- the elongated holes 110 accept screws.
- the associated screw heads (without reference symbols) are shown in the slider 104 on the right in FIG.
- the guide rails 102 are firmly connected to the actual device 50 . This is typically done by bolting to a supporting structure of the device 50, such as a rack or frame.
- a safety switch 120 is shown in FIG. It cuts power to the feed and crumple mechanism drives as soon as the first cover leaves its operative or normal position (see Figure 9). This is done by removing it from the device 50 in the transport direction 54 . In doing so, it is guided by the linear guide according to the invention until the sliding pieces 104 have left the guide rails 102 .
- FIG. 4 shows the guide bar 102 on the left in FIG. 3 in detail.
- FIG. 4 shows that in this exemplary embodiment the guide strip 102 is produced in cross section as an L-shaped bent sheet metal part.
- mounting holes 112 are formed, with the Hil fe the guide bar 102 with the actual device 50 can be screwed.
- the bore 112 can also be in the form of elongated holes.
- the leading edge 106 is relatively short. Its end (see reference number 114) can be designed as a depth stop for the linear guide according to the invention.
- the guide rail 102 arranged on the right-hand side in FIG. 3 is structurally identical but mirror-symmetrical. It is also screwed to the device 50 .
- a first safety sheet metal 98 is shown in FIG.
- a second security panel 100 is constructed similarly to the first security panel 98 .
- the cross section of the first safety sheet metal 98 has two rectangular elevations.
- the first safety sheet metal 98 can also be produced in a simple manner by laser cutting or punching and subsequent bending.
- Safety sheet metal 98 are also two Fastening bores 116 which, however, are covered by the rectangular prismatic elevation of the first safety plate 98 .
- the safety plates 98 At their front end in the transport direction 54 , the safety plates 98 have two slightly bent resilient tongues 117 .
- the bent-up ends of the tongues 117 support the insertion of the safety plates 89 , 100 into the device 50 .
- the safety plates 98 have two lugs 118 at their rear end in the transport direction 54 .
- the first cover 90 is screwed to the first safety sheet metal 98 at the tabs 118 .
- the channel formed between the first safety plate 98 and the second safety plate 100 has approximately the shape of a dumbbell in cross section.
- the finished padding product is conveyed out through this channel by the crumpler 64 through the outlet opening 92 .
- the channel ensures that the finished cushioning product cannot deviate laterally and that it retains its crumpled shape.
- the channel is constructed so that the user or operator of the device 50 cannot reach far enough into the channel with a hand or a finger to reach the crumpler 64 .
- FIG. 6 shows the lugs 118 on the first safety plate 98 with the fastening screws (unreferenced) screwed in.
- the first cover 90 is fastened to the first safety sheet metal 98 with the aid of the fastening screws. This results in a firm connection between the sliders 104 and the first cover 90 .
- An actuating element 122 which interacts with the safety switch 120 is fastened to the second safety sheet metal 100 . It comprises an actuating section which runs parallel to the transport direction 54 and has an opening 124 . The actuating section protrudes into an opening of the safety switch 120 when the first cover 90 is in its operating or normal position. The safety switch 120 then closes, releasing power to the drives for the feed and crumple mechanisms 62,64. As soon as the first cover 90 is not in the operating or normal position, the safety switch 120 interrupts the power supply.
- the first cover 90 is shown again individually. It has an outlet opening 92 whose cross section corresponds to the cross section of the channel formed by the safety plates 98 and 100 .
- FIG. 8 the complete linear guide with the first cover 90 in place is shown again enlarged according to FIG.
- FIGS. 3 to 7 and FIGS. 2 and 8 the structure and the mode of operation of the linear guide according to the invention can be clearly understood.
- FIG. 9 shows the device again in an isometry with the first cover closed. Further details of the invention are illustrated with reference to FIGS. 10 and 11 and explained below. It is easy to see from FIG. 10 that in this exemplary embodiment a baffle plate 126 is provided above and below the guide rails 102 . There are four baffles 126 in all. 1 to 126 . 4 available . The baffles 126 direct the cushioning product from the entry area 52 toward the exit area 60 . They can be screwed to the guide rails 102 .
- baffles 126 are selected to be encapsulated by the safety panels 98 and 100 when the first cover 90 is in its operative or normal position (see FIG. 9).
- a bracket with a recess 128 is shown in the guide rail 102 on the left in FIG. It interacts with a locking mechanism 130 which is connected to the first cover 90 or one of the safety plates 98, 100 is connected.
- a locking mechanism 130 which is connected to the first cover 90 or one of the safety plates 98, 100 is connected.
- FIG. 10 only one button 132 of the locking mechanism 130 can be seen, with the aid of which the locking mechanism 130 can be locked or unlocked.
- the locking mechanism 130 includes a pin 134 which can move into the recess 128 when the first cover 90 is in its operating or normal position (see FIG. 9).
- the peg 134 is preferably spring-loaded, so that the peg 134 always enters the recess 128 without action. Then the latch is active and the first cover 90 remains in its operative or normal position.
- the pin 134 is pulled out of the recess 128 against the force of a spring (not shown ) . This is done by a person pulling up on button 132 (in FIG. 11). Then the The latch is released and the first cover 90 can be pulled out of the housing 94 .
- the spring is located in a housing 136 of the locking mechanism ', which also guides the
- Pin 134 takes over.
- the first cover 90 is placed in the exit area 60 of the device 50 according to the invention. In a corresponding manner, however, it is also possible to equip a second cover in the area of the entry area 52 with a linear guide according to the invention.
- the design details correspond to the linear guide of the first cover 90 . A repeated explanation and description of this second linear guide in the entry area 52 is therefore omitted.
Landscapes
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Making Paper Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020121788.9A DE102020121788A1 (de) | 2020-08-19 | 2020-08-19 | Vorrichtung zum Herstellen eines Polsterungserzeugnisses |
PCT/EP2021/072542 WO2022038043A1 (de) | 2020-08-19 | 2021-08-12 | Vorrichtung zum herstellen eines polsterungserzeugnisses |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4200130A1 true EP4200130A1 (de) | 2023-06-28 |
Family
ID=77543499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21762671.2A Pending EP4200130A1 (de) | 2020-08-19 | 2021-08-12 | Vorrichtung zum herstellen eines polsterungserzeugnisses |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230286244A1 (de) |
EP (1) | EP4200130A1 (de) |
AU (1) | AU2021328639A1 (de) |
BR (1) | BR112023002770A2 (de) |
DE (1) | DE102020121788A1 (de) |
WO (1) | WO2022038043A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5803893A (en) * | 1994-07-22 | 1998-09-08 | Ranpak Corp. | Cushioning conversion machine and method |
US20070117703A1 (en) * | 2005-11-22 | 2007-05-24 | Sealed Air Corporation | Machine and method for converting a web of material into dunnage |
DE102009015855B4 (de) * | 2009-04-01 | 2013-01-17 | Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. | Schutzdeckel zum Positionieren an einer Ausgangsöffnung einer Vorrichtung zum Bereitstellen von Verpackungsmaterial sowie eine Vorrichtung mit einem solchen Schutzdeckel |
DE102012222805B3 (de) | 2012-12-11 | 2013-06-06 | Storopack Hans Reichenecker Gmbh | Verfahren und Vorrichtung zum Herstellen eines Polsterungserzeugnisses sowie Polsterungserzeugnis |
US11034121B2 (en) * | 2017-05-11 | 2021-06-15 | Pregis Innovative Packaging Llc | Dunnage apparatus carton filler |
-
2020
- 2020-08-19 DE DE102020121788.9A patent/DE102020121788A1/de active Pending
-
2021
- 2021-08-12 BR BR112023002770A patent/BR112023002770A2/pt unknown
- 2021-08-12 US US18/041,599 patent/US20230286244A1/en active Pending
- 2021-08-12 WO PCT/EP2021/072542 patent/WO2022038043A1/de active Search and Examination
- 2021-08-12 EP EP21762671.2A patent/EP4200130A1/de active Pending
- 2021-08-12 AU AU2021328639A patent/AU2021328639A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
BR112023002770A2 (pt) | 2023-03-14 |
WO2022038043A1 (de) | 2022-02-24 |
US20230286244A1 (en) | 2023-09-14 |
AU2021328639A1 (en) | 2023-03-23 |
DE102020121788A1 (de) | 2022-02-24 |
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