EP0822911A1 - Vorrichtung zum bilden eines stapels auf einem transporttisch - Google Patents
Vorrichtung zum bilden eines stapels auf einem transporttischInfo
- Publication number
- EP0822911A1 EP0822911A1 EP95935908A EP95935908A EP0822911A1 EP 0822911 A1 EP0822911 A1 EP 0822911A1 EP 95935908 A EP95935908 A EP 95935908A EP 95935908 A EP95935908 A EP 95935908A EP 0822911 A1 EP0822911 A1 EP 0822911A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- charging
- stack
- conveyor
- electrode
- conveyor belt
- 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
- 230000000903 blocking effect Effects 0.000 claims abstract description 9
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 230000032258 transport Effects 0.000 description 17
- 230000005684 electric field Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H31/00—Pile receivers
- B65H31/34—Apparatus for squaring-up piled articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/42—Piling, depiling, handling piles
- B65H2301/422—Handling piles, sets or stacks of articles
- B65H2301/4223—Pressing piles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/513—Modifying electric properties
- B65H2301/5132—Bringing electrostatic charge
Definitions
- the invention relates to a device for forming a stack on a transport table.
- Such a device is known per se and is used, for example, for stacking newspapers, magazines or the like from a so-called cross-arm to a shrinking station, in particular for films.
- the invention has for its object the stacked stacks in a generic device align objects more stably.
- the objects are charged by a separate charging device before they reach the stack, as a result of which there is already a counter-polarity in the stack itself with respect to the side regions of the stack which are charged away from one another by the charging electrodes with electrostatic charge and are perpendicular to the stack Transport direction are aligned.
- the electric field is concentrated in this area.
- there is a field concentration in the excess air pockets in the stack so that the field force effect in the stack and the charge accumulation on the surface displaces the air in the stack. This leads to a considerably higher adhesion of the exmpelare to one another, as a result of which the stack is mechanically blocked and consequently held.
- the transport table is grounded, so that the electric field is aligned in an arc from each side area towards the transport table.
- the finished stack is not charged by means of the two laterally arranged charging electrodes with one polarity, but additionally on the top opposite the transport table with a further charging electrode with the opposite polarity, whereby the blocking effect is further increased can be improved.
- the charging device has at least one endlessly rotating conveyor belt, on the upper run of which the objects can be conveyed, and the delivery-side deflection of the conveyor belt is arranged above the transport table.
- the upper run of the conveyor belt is assigned a second further charging electrode extending transversely to its transport direction.
- a further, endlessly rotating conveyor belt can also be assigned to the conveyor belt, the lower run of which is assigned to the upper run of the conveyor and rotates at the same speed.
- a discharge electrode is expediently assigned to the upper run of the further conveyor.
- Figure 1 is a schematic top view of a
- Figure 2 shows the device of Figure 1, in view.
- Figure 3 is a schematic representation of the entire device.
- FIG. 1 the cross jib, generally designated 5, is shown schematically.
- a stack designated as 6 (FIG. 2) is made Magazines are stored on the transport table labeled 7 in total.
- This stack 6 is then forwarded in the transport direction 8 (FIG. 1) to a next work station, for example a shrinking station, in which the stack is wrapped in foils and then welded, or else shrunk using shrink wrap.
- two charging electrodes 11a, 11b on the one hand and 12a, 12b on the other are provided on the two side surfaces 9, 10 of the stack 6 in the exemplary embodiment shown. These charging electrodes run perpendicular to the transport direction 8 and extend perpendicular to the transport table up to the full height of the stack 6, on both sides 9, 10. Here, the two sides are charged with negative polarity.
- a further charging electrode 13 is provided parallel to the transport direction above the stack 6 and is arranged on the top 14 of the stack opposite the transport table 7 near its surface.
- a charging device 20 is provided in front of the blocking device shown in FIGS. 1 and 2, as shown in FIG. 3. This has at least one conveyor 21 as an endlessly rotating conveyor belt 22, on the upper run 23 of which the objects can be conveyed. The delivery-side deflection of the conveyor belt 22 is arranged over the transport table 7. The upper run 23 of the conveyor belt 22 is assigned a second charging electrode 24, which extends transversely to its transport direction and by means of which the objects transported on the upper run can be charged.
- a further rotating conveyor belt 25 of another conveyor 26 is assigned to the conveyor, the lower run of which is assigned to the upper run of the conveyor 21 and rotates at the same speed.
- a discharge electrode 27 is assigned to this upper run, which also preferably extends transversely to its direction of rotation. This device transports objects between the two strands to the delivery point and charges them from the second further charging electrode 24.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pile Receivers (AREA)
- Forming Counted Batches (AREA)
- Basic Packing Technique (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19514405 | 1995-04-19 | ||
DE19514405 | 1995-04-19 | ||
PCT/EP1995/003939 WO1996033119A1 (de) | 1995-04-19 | 1995-10-05 | Vorrichtung zum bilden eines stapels auf einem transporttisch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0822911A1 true EP0822911A1 (de) | 1998-02-11 |
EP0822911B1 EP0822911B1 (de) | 2000-01-19 |
Family
ID=7759876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95935908A Expired - Lifetime EP0822911B1 (de) | 1995-04-19 | 1995-10-05 | Vorrichtung zum bilden eines stapels auf einem transporttisch |
Country Status (8)
Country | Link |
---|---|
US (1) | US6015257A (de) |
EP (1) | EP0822911B1 (de) |
JP (1) | JPH11503698A (de) |
AT (1) | ATE188944T1 (de) |
DE (3) | DE19515411A1 (de) |
DK (1) | DK0822911T3 (de) |
ES (1) | ES2141966T3 (de) |
WO (1) | WO1996033119A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19719935A1 (de) * | 1997-05-13 | 1998-11-19 | Eltex Elektrostatik Gmbh | Vorrichtung sowie Verfahren zum Verblocken eines Stapels von gestapelten Gegenständen |
DE19820668A1 (de) * | 1998-05-08 | 1999-11-11 | Gaemmerler Ag | Vorrichtung zur Behandlung von gestapelten Druckerzeugnissen |
DE10050451B4 (de) * | 2000-10-12 | 2008-10-09 | Koenig & Bauer Aktiengesellschaft | Verfahren und Einrichtung zur Fixierung |
EP2128064B1 (de) * | 2008-05-29 | 2013-04-03 | Simco Nederland B.V. | Verfahren und Vorrichtung zum Zusammenhalten eines elektrisch nicht leitfähigen Objektstapels und Elektrodeneinheit dafür |
US12006129B2 (en) * | 2021-07-28 | 2024-06-11 | Inteplast Group Corporation | Sheet product package and method of making dispensable sheet product |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3834290A (en) * | 1973-04-26 | 1974-09-10 | V Nelson | Apparatus for counting and stacking sheet material |
DE3540203C2 (de) * | 1985-11-13 | 1993-12-09 | Will E C H Gmbh & Co | Vorrichtung zum Fördern von Papierstapeln |
DE4000263A1 (de) * | 1990-01-03 | 1991-07-04 | System Gmbh | Vorrichtung zum richten von stapeln |
US5062764A (en) * | 1990-01-08 | 1991-11-05 | Robert A. Foisie | Method and apparatus using electrostatic charges to stabilize the upper sheets of a stack of paper |
US5228373A (en) * | 1990-01-08 | 1993-07-20 | Robert A. Foisie | Method and apparatus using electrostatic charges to temporarily hold packets of paper |
WO1996009239A1 (de) * | 1994-09-21 | 1996-03-28 | Eltex-Elektrostatik Gmbh | Vorrichtung zum bilden eines stapels auf einem transporttisch |
-
1995
- 1995-04-26 DE DE19515411A patent/DE19515411A1/de not_active Withdrawn
- 1995-10-05 DE DE59507661T patent/DE59507661D1/de not_active Expired - Fee Related
- 1995-10-05 ES ES95935908T patent/ES2141966T3/es not_active Expired - Lifetime
- 1995-10-05 DK DK95935908T patent/DK0822911T3/da active
- 1995-10-05 US US08/945,043 patent/US6015257A/en not_active Expired - Fee Related
- 1995-10-05 AT AT95935908T patent/ATE188944T1/de not_active IP Right Cessation
- 1995-10-05 EP EP95935908A patent/EP0822911B1/de not_active Expired - Lifetime
- 1995-10-05 WO PCT/EP1995/003939 patent/WO1996033119A1/de active IP Right Grant
- 1995-10-05 JP JP8531431A patent/JPH11503698A/ja active Pending
-
1996
- 1996-04-16 DE DE59602235T patent/DE59602235D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9633119A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1996033119A1 (de) | 1996-10-24 |
ES2141966T3 (es) | 2000-04-01 |
DK0822911T3 (da) | 2000-05-08 |
JPH11503698A (ja) | 1999-03-30 |
DE19515411A1 (de) | 1996-10-24 |
DE59602235D1 (de) | 1999-07-22 |
ATE188944T1 (de) | 2000-02-15 |
US6015257A (en) | 2000-01-18 |
DE59507661D1 (de) | 2000-02-24 |
EP0822911B1 (de) | 2000-01-19 |
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