EP0557679B1 - Greifer für eine Fördereinrichtung zum Fördern von ein- oder mehrblättrigen Druckereierzeugnissen - Google Patents
Greifer für eine Fördereinrichtung zum Fördern von ein- oder mehrblättrigen Druckereierzeugnissen Download PDFInfo
- Publication number
- EP0557679B1 EP0557679B1 EP93100003A EP93100003A EP0557679B1 EP 0557679 B1 EP0557679 B1 EP 0557679B1 EP 93100003 A EP93100003 A EP 93100003A EP 93100003 A EP93100003 A EP 93100003A EP 0557679 B1 EP0557679 B1 EP 0557679B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gripper
- locking
- closing
- lever
- closing lever
- 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.)
- Expired - Lifetime
Links
Images
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
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
-
- 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
- B65H29/66—Advancing articles in overlapping streams
- B65H29/669—Advancing articles in overlapping streams ending an overlapping stream
-
- 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
- B65H2301/44—Moving, forwarding, guiding material
- B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
- B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
- B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
-
- 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
- B65H2301/44—Moving, forwarding, guiding material
- B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
- B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
- B65H2301/44732—Belts, endless moving elements on which the material is in surface contact transporting articles in overlapping stream
-
- 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
- B65H2301/44—Moving, forwarding, guiding material
- B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
- B65H2301/4474—Pair of cooperating moving elements as rollers, belts forming nip into which material is transported
Definitions
- the present invention relates to a gripper for a conveyor device for conveying single or multi-sheet printed products, such as newspapers, magazines and parts thereof, according to the preamble of claim 1.
- Such a gripper is known, for example, from GB-A-2 043 599 and consists there of two clamping jaws which are held in the clamping position by a clamping spring encompassing them.
- a lever which is firmly connected to one clamping jaw is actuated, another lever which is firmly connected to the other clamping jaw being held against a stop.
- the two jaws are rotatably mounted on a common axis of rotation.
- This gripper has the disadvantage, among other things, that a constant force has to be exerted in order to keep the gripper open.
- the present invention is therefore based on the object of designing a gripper of the type mentioned at the outset in such a way that a clamping force which is adapted to the thickness of the printed product is generated when the gripper is closed.
- FIG. 1 shows the takeover area of a conveying device 1 which has grippers 2 which are attached at regular intervals to an endless link chain (not shown) which is guided in a chain channel 3. The latter is guided over a deflection wheel 4 in the takeover area.
- the grippers move in the direction of arrow B along a closed orbit.
- Each gripper 2 has a first gripper part 5 and a second gripper part 6.
- the two gripper parts 5, 6 define a gripper opening 7, which in the conveying device according to FIG. 1 points backwards with respect to the conveying direction B.
- Each gripper 2 grips a printed product 8 at its leading edge 8a (folded edge).
- the printed products 8 are fed in a manner known per se in a scale formation S by a belt conveyor 9 in the direction of arrow C.
- each printed product rests on the preceding printed product 8 in this scale formation S.
- a pressure roller 10 lies loosely on the printed products 8 fed by the belt conveyor 9.
- the second gripper part 6 is formed in one piece with a support part 11 which is pivotally mounted on a shaft 12, the longitudinal axis of which is designated 12 '. As can be seen in particular from FIGS. 5 and 6, this shaft 12 is provided with longitudinal grooves.
- the shaft 12 is rotatably mounted in a cross-sectionally U-shaped holder 13 which is fastened to a link chain 13 which is guided in the guide channel 3 already mentioned.
- This link chain 14 is of a known type and is very similar to the link chain as described, for example, in DE-A-26 29 528 and the corresponding US-A-4,294,345.
- FIG. 4 shows half of a link chain 14 of a lighter design and one link chain 14 'of a heavier design.
- the first gripper part 5 is also formed in one piece with a support part 15, which is arranged in the interior of the holder 13 and is pivotably mounted on the shaft 12.
- the longitudinal axis 12 'of this shaft 12 thus forms the common pivot axis for the support parts 11, 15 and thus for the gripper parts 6 and 5.
- a support part 16 is connected in a rotationally fixed manner to the shaft 12, specifically via an expansion ring 17 integral with the support part 16, which engages with projections in the longitudinal grooves of the shaft 12 ( Figure 5).
- a compression spring 18 is supported, which is supported at the other end on a pin 19 which is inserted into the support part 15 for the first gripper part 5.
- a locking lever 20 is connected to the shaft 12 in a rotationally fixed manner, the pivot axis 20 'of which coincides with the longitudinal axis 12' of the shaft 12.
- the closing lever 20 carries a follower roller 21 which can be freely rotated about the axis of rotation 21 '.
- the locking lever 20 is provided with a protruding locking arm 22.
- the locking lever 20 is now arranged such that the connecting line designated 23 between the pivot axis 20 'and the axis of rotation 21' of the follower roller 21 extends transversely to the direction of movement B or B 'of the grippers 2 (FIG. 2).
- this connecting line 23 forms with the plane D, which is formed by the flat first gripper part 5, an angle ⁇ which is less than 90 ° (FIG. 2). This is important so that the first gripper part 5 can be moved from the open position into the clamping position during a movement in both directions of movement B and B '.
- a locking device which has a locking lever 24 which is mounted on the support part 11 so as to be pivotable about the axis 24 '.
- This locking lever 24 has a locking lug 25 at one end, which cooperates with the locking arm 22 on the locking lever 20 to lock the first gripper part 5, as shown in FIG. 3.
- the locking lever 24 is pivoted into its locking position by means of a spring 26 and held in this.
- the locking lever 24 carries a follower roller 27 which is freely rotatable about the axis of rotation 27 '. In the locked position of the locking lever 24, the Axis of rotation 27 'of this follower roller 27 with the longitudinal axis 12' of the shaft 12.
- This arrangement ensures that a release of the locking lever 24, ie a pivoting into its release position, by an unlocking force P acting on the follower roller 27 (FIG. 3), in all swivel positions of the gripper 2 is ensured.
- a positioning follower roller 28 is arranged on the support part 11 for the second gripper part 6 on the side opposite the locking lever 24 and is freely rotatable about the axis 28 '.
- the axis of rotation 28 ' is aligned with the pivot axis 24' of the locking lever 24.
- the positioning follower roller 28 interacts with positioning guides 29, by means of which the pivot position of the second gripper part 6 and thus of the open and closed gripper 2 is determined.
- This second gripper part 6 can be pivoted between two end positions, which together form an angle of approximately 90 °.
- One end position of the second gripper part 6 is shown in FIGS. 2 and 3, in which this second gripper part 6 extends approximately in the direction of movement B, B 'of the gripper 2.
- the second gripper part 6 extends approximately at right angles to the direction of movement B, B 'of the grippers 2. These end positions of the second gripper part 6 also determine the end positions of the open and closed grippers which, depending on the design of the positioning link 29, can take any intermediate layer.
- the second gripper part 6, which defines a plane E (FIG. 2), is offset with respect to the common pivot axis 12 'of the two gripper parts 5, 6. In other words, said plane E runs at a distance from this common pivot axis 12 ', as is readily apparent from FIG. 2.
- the gripper 2 can be closed in both conveying directions B and B '. If the gripper moves in the direction of arrow B, the closing link 30a must be provided. If, on the other hand, the gripper 2 is moved in the opposite direction B ', the closing link is to be designed as indicated by 30b.
- the closing link 30 acts on the follower roller 21 on the closing lever 20, which is thereby pivoted counterclockwise. This results in a corresponding rotation of the shaft 12 and thus also of the support part 16.
- This rotational movement of the support part 16 is transmitted via the compression spring 18 to the support part 15 of the first gripper part 5, whereby the latter is pivoted against the clamping position. If the closing lever 20 has now reached a position which is indicated in FIG.
- the first gripper part 5 comes into contact with the second gripper part 6.
- the compression spring 18 already exerts a certain clamping force.
- the locking arm 22 begins to run onto the locking lug 25 of the locking lever 24.
- the locking lever 24 is now pushed back out of the locking position against the force of the spring 26 by the locking arm 22 which continues to act on the locking lug 25, that is to say pivoted counterclockwise. If the locking lever 20 has now reached its end position, which is denoted by the connecting line 23 in FIG. 3, the locking lever 20 is locked by the locking lug 25 of the locking lever 24 acting on the locking arm 22.
- the short swivel path (angle ⁇ ), which the closing lever 20 has to cover until it is locked, is possible because, as already mentioned, the compression spring 18 already exerts a clamping force as soon as the first gripper part 5 with the second gripper part 6 or with comes into contact with the printed product 8 that has entered the gripper opening 7 and is to be gripped.
- an unlocking force P is exerted on the follower roller 27 on the locking lever 24 by an opening arrangement, not shown in FIG. 3, which has the consequence that the locking lever 24 is pivoted counterclockwise.
- the locking lug 25 is released from the locking arm 22 on the closing lever 20, which is pivoted clockwise under the action of the relaxing compression spring 18.
- the locking lever 24 is pivoted back into its locking position by the spring 26.
- FIGS. 7 and 8 show a corresponding gripper 2 in the other end position in FIGS. 2 and 3, in which the second gripper part 6 extends approximately at right angles to the direction of movement B, B 'of the gripper 2.
- the gripper 2 is brought into this end position by a correspondingly configured positioning link 29, which is designed differently than the positioning link 29 in FIGS. 2 and 3.
- the first gripper part 5 is shown in its extreme open position, in which it is guided by a Hold open gate 31 is held, which cooperates with the follower roller 21 on the locking lever 20.
- the closing, locking and opening of the gripper 2 takes place in the end position shown in FIGS. 7 and 8 in the same way as described with reference to FIGS. 2 and 3, but, as mentioned, the different scenes must be designed accordingly.
- FIGS. 2 and 3 A comparison of FIGS. 2 and 3 with FIGS. 7 and 8 shows that the grippers 2 can be closed and opened in both end positions and thus also in any intermediate position, regardless of whether they are in the direction of arrow B or in the direction of arrow B 'are moved.
- the printed products 8 are fed in a hanging position by a feed conveyor 32 and taken over by a conveyor 33 and conveyed further.
- the grippers 2 of the feed conveyor 32 are held in an end position, as described with reference to FIGS. 7 and 8, by means of positioning links 29, in which the second gripper part 6 runs approximately at right angles to the conveying direction G of the feed conveyor 32.
- the grippers 2 of the conveyor 3, which are moved in the same direction G, are also held in this end position, but the gripper opening 7 is directed upwards and the second gripper part 6 forms the trailing part of the grippers 2.
- the printed products 8 held in the area of their one edge 8a by the grippers 2 of the feed conveyor 32 are grasped on the opposite edge 8b by the grippers 2 of the removal conveyor 3.
- the grippers 2 of the feed conveyor 32 are opened by means of an opening arrangement 34 which has an opening link 35 which acts on the follower roller 27 on the locking lever 24.
- the embodiment according to FIG. 10 is very similar to that according to FIG. 9 and differs from the latter by a different position of the grippers 2 when delivering or taking over the printed products 8.
- the gripper openings 7 are not after directed downwards or upwards, but at the feed conveyor 32 obliquely to the rear and at the conveyor 33 at an angle to the front.
- FIG. 11 is somewhat related to the embodiment according to FIG. 1.
- the printed products 8 fed by the belt conveyor 9 in scale formation S are not detected on the leading edge 8a, but rather on the trailing edge 8b. This requires a different position of the grippers 2 in the takeover area than in the embodiment shown in FIG. 1.
- a guide for the printed products 8 is shown at 36 in FIG.
- the belt conveyor 9 feeds the printed products 8 in a scale formation S ', in which each printed product 8 rests on the subsequent printed product. This means that the leading edges 8a of the printed products 8 lie at the bottom in the scale formation S '.
- the printed products 8 are captured by the conveyor 1b at this leading edge 8a. This means that the gripper openings 7 must point to the rear in the takeover area.
- FIGS. 1 and 9-12 the same gripper construction as described with reference to FIGS. 2-8 can be used for conveying devices 1, 1b, 32, 33 with different tasks. Thanks to their special design, the grippers 2 can be brought into different swivel positions and can be closed and opened perfectly in any swivel position without the need to adapt the grippers 2 to the respective application. It goes without saying that the positioning links 29, the opening links 35 and any keeping-open links 31 must be adapted to the particular purpose of the conveying devices. The corresponding backdrops are indicated schematically in FIGS. 9-12.
- the grippers 2 can be manufactured and assembled in a simple manner.
- the two gripper parts 5 and 6 together with their supporting parts 11 and 15 can be made of plastic, which results in a lightweight construction. Since the closing force is primarily applied by the compression spring 18, the first gripper part 5 have only limited flexibility.
- the shaft 12 is provided in the region of the expansion ring 17 with a circumferential groove into which a rib engages in the manner of a snap connection on the inside of the expansion ring 17 in the assembled state. This installation-friendly solution makes it unnecessary to attach separate circlips or the like.
- first gripper part 5 directly to the shaft 12 via a spring element which carries the first gripper part 5 at one end and is connected to the shaft 12 at the other end.
- This spring element then forms both the supporting part for the first gripper part 5 and the closing spring which is tensioned when the gripper is closed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Discharge By Other Means (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Catching Or Destruction (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Chain Conveyers (AREA)
- Specific Conveyance Elements (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Collation Of Sheets And Webs (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH49692 | 1992-02-19 | ||
CH496/92 | 1992-02-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0557679A1 EP0557679A1 (de) | 1993-09-01 |
EP0557679B1 true EP0557679B1 (de) | 1996-05-15 |
Family
ID=4188337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93100003A Expired - Lifetime EP0557679B1 (de) | 1992-02-19 | 1993-01-02 | Greifer für eine Fördereinrichtung zum Fördern von ein- oder mehrblättrigen Druckereierzeugnissen |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0557679B1 (ja) |
JP (1) | JPH0784271B2 (ja) |
KR (1) | KR970009256B1 (ja) |
AT (1) | ATE138043T1 (ja) |
AU (1) | AU654079B2 (ja) |
BR (1) | BR9300608A (ja) |
CA (1) | CA2089828C (ja) |
DE (1) | DE59302543D1 (ja) |
ES (1) | ES2089587T3 (ja) |
FI (1) | FI105673B (ja) |
GR (1) | GR3020353T3 (ja) |
NO (1) | NO180163C (ja) |
NZ (1) | NZ245924A (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59504484D1 (de) | 1994-10-27 | 1999-01-21 | Ferag Ag | Verfahren und Einrichtung zum Beschriften von Druckereiprodukten |
ATE284831T1 (de) * | 2001-05-25 | 2005-01-15 | Ferag Ag | Vorrichtung zur gehaltenen förderung von flachen gegenständen in einem dichten förderstrom |
ATE442330T1 (de) * | 2006-03-14 | 2009-09-15 | Mueller Martini Holding Ag | Einrichtung zur überführung von druckprodukten |
NZ571974A (en) * | 2006-04-12 | 2010-04-30 | Ferag Ag | Gripper for holding and conveying flat objects |
JP4861068B2 (ja) * | 2006-06-15 | 2012-01-25 | 西研グラフィックス株式会社 | 印刷物搬送装置のグリッパ |
KR101108567B1 (ko) * | 2009-05-14 | 2012-01-30 | 주식회사 에스에프에이 | 간지 공급 장치 |
CH703119A1 (de) | 2010-05-10 | 2011-11-15 | Ferag Ag | Vorrichtung und Verfahren zum Transportieren von flexiblen, flächigen Produkten. |
JP6296336B2 (ja) * | 2013-07-19 | 2018-03-20 | 株式会社リコー | 用紙処理装置および画像形成装置 |
JP6902391B2 (ja) * | 2017-04-27 | 2021-07-14 | 三菱重工機械システム株式会社 | グリッパ、及び、容器搬送装置 |
JP2020138809A (ja) * | 2017-06-23 | 2020-09-03 | 富士フイルム株式会社 | 搬送装置及び画像形成装置 |
EP3694717B1 (de) * | 2017-10-13 | 2021-12-01 | Koenig & Bauer AG | Bogenverarbeitende maschine mit einer bogentransportvorrichtung und verfahren zum transportieren von bogen von einem bogenführungszylinder an ein bogenfördersystem |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH588647A5 (ja) | 1975-07-28 | 1977-06-15 | Ferag Ag | |
CH636824A5 (de) | 1979-03-08 | 1983-06-30 | Ferag Ag | Foerdereinrichtung fuer flaechige erzeugnisse, insbesondere druckprodukte. |
CH644816A5 (de) | 1980-02-08 | 1984-08-31 | Ferag Ag | Foerdereinrichtung, inbesondere fuer druckprodukte, mit an einem umlaufenden zugorgan verankerten greifzangen. |
US4746007A (en) * | 1986-02-20 | 1988-05-24 | Quipp Incorporated | Single gripper conveyor system |
CH680851A5 (ja) | 1988-01-08 | 1992-11-30 | Ferag Ag | |
DE58901208D1 (de) * | 1988-03-03 | 1992-05-27 | Ferag Ag | Verfahren und vorrichtung zum wegfoerdern von druckereiprodukten, die in einer schuppenformation zugefuehrt werden. |
-
1993
- 1993-01-02 EP EP93100003A patent/EP0557679B1/de not_active Expired - Lifetime
- 1993-01-02 AT AT93100003T patent/ATE138043T1/de active
- 1993-01-02 ES ES93100003T patent/ES2089587T3/es not_active Expired - Lifetime
- 1993-01-02 DE DE59302543T patent/DE59302543D1/de not_active Expired - Lifetime
- 1993-02-16 NO NO930540A patent/NO180163C/no not_active IP Right Cessation
- 1993-02-16 JP JP5026617A patent/JPH0784271B2/ja not_active Expired - Fee Related
- 1993-02-17 BR BR9300608A patent/BR9300608A/pt not_active IP Right Cessation
- 1993-02-17 NZ NZ245924A patent/NZ245924A/en not_active IP Right Cessation
- 1993-02-18 CA CA002089828A patent/CA2089828C/en not_active Expired - Lifetime
- 1993-02-18 AU AU33171/93A patent/AU654079B2/en not_active Expired
- 1993-02-18 FI FI930715A patent/FI105673B/fi not_active IP Right Cessation
- 1993-02-18 KR KR1019930002241A patent/KR970009256B1/ko not_active IP Right Cessation
-
1996
- 1996-06-27 GR GR960401722T patent/GR3020353T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
AU654079B2 (en) | 1994-10-20 |
DE59302543D1 (de) | 1996-06-20 |
JPH0784271B2 (ja) | 1995-09-13 |
NZ245924A (en) | 1995-06-27 |
FI930715A0 (fi) | 1993-02-18 |
FI105673B (fi) | 2000-09-29 |
NO930540L (no) | 1993-08-20 |
CA2089828A1 (en) | 1993-08-20 |
NO180163B (no) | 1996-11-18 |
KR930017793A (ko) | 1993-09-20 |
GR3020353T3 (en) | 1996-09-30 |
AU3317193A (en) | 1993-10-07 |
FI930715A (fi) | 1993-08-20 |
NO180163C (no) | 1997-02-26 |
BR9300608A (pt) | 1993-08-24 |
CA2089828C (en) | 1999-02-16 |
NO930540D0 (no) | 1993-02-16 |
KR970009256B1 (ko) | 1997-06-09 |
JPH0692504A (ja) | 1994-04-05 |
EP0557679A1 (de) | 1993-09-01 |
ATE138043T1 (de) | 1996-06-15 |
ES2089587T3 (es) | 1996-10-01 |
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