EP1149785B1 - Transportvorrichtung für Druckbogen - Google Patents
Transportvorrichtung für Druckbogen Download PDFInfo
- Publication number
- EP1149785B1 EP1149785B1 EP20000810348 EP00810348A EP1149785B1 EP 1149785 B1 EP1149785 B1 EP 1149785B1 EP 20000810348 EP20000810348 EP 20000810348 EP 00810348 A EP00810348 A EP 00810348A EP 1149785 B1 EP1149785 B1 EP 1149785B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drums
- rollers
- transport
- printed
- conveyor
- 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
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/30—Opening devices for folded sheets or signatures
- B65H5/305—Opening devices for folded sheets or signatures comprising rotary means for opening the folded sheets
- B65H5/307—Opening devices for folded sheets or signatures comprising rotary means for opening the folded sheets two opposite rotary means, both having gripping means
-
- 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
- B65H2301/449—Features of movement or transforming movement of handled material
- B65H2301/4492—Features of movement or transforming movement of handled material braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/50—Surface of the elements in contact with the forwarded or guided material
- B65H2404/54—Surface including rotary elements, e.g. balls or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/50—Gripping means
- B65H2405/54—Rotary gripping arms, i.e. integrated in a rotary element as for instance a cylinder, a disk or a turntable
- B65H2405/541—Rotary gripping arms, i.e. integrated in a rotary element as for instance a cylinder, a disk or a turntable arranged on opposite and synchronised rotary element
Definitions
- the invention relates to a transport device for printed sheets according to the preamble of claim 1.
- transport devices are e.g. in US 4,775,137, US 4,491,311, WO 87/06217 and Intermediate EP 1 024 099.
- Transport devices of the type mentioned are in the prior art Technology known for example for investors for saddle stitchers. These transport devices have opening drums, so-called B and C drums, which open folded printed sheets and drop it on a collection chain. After the fold the Has left opening drums, the printed sheet flies on the Collection chain and is arranged there on the collection chain Drivers deflected by 90 °.
- High performance is essential for saddle stitchers. In a As many printed products as possible should therefore be processed at a certain time can be. With an increase in performance takes but the speed of the opening drums and also the Ejection speed of the printed sheets. At high discharge speeds creates the impact of the printed sheets on the Collection chain each have a springback effect, which leads to that the printed sheets are not or only insufficiently secure with the Carriers of the collection chain are transported away. Rear Jumping Print sheets can lead to malfunctions, resulting in net performance significantly reduced.
- the invention has for its object a transport device to create the type mentioned, in which a springback the printed sheet from the collection chain even at higher ones Benefits are largely avoided.
- the means of transport is preferably a collection chain and preferably Part of a saddle stitcher. But there are also other means of transport and other applications in paper processing Industry conceivable.
- the transport device 1 has two counter-rotating Drums 3 and 4 for opening printed products or printed sheets 11 on the horizontal axes 6 and 5 with known per se Funds are driven.
- the left drum 4 according to Figure 1 and 2 is usually used as a B-opening drum other drum 3 referred to as the C-opening drum.
- grippers 35, 36 of a gripper drum-A not shown here, as it does shown for example in CH 652 103 A5 of the applicant is, each a sheet 11 and open it around it finally to drop on a running transport device 2, as shown in Figure 1.
- the transport device is here especially a collection chain, at which at regular intervals Carriers 29 are arranged.
- Such drivers 29 are known and these can protrude above or to the side. In the As a rule, these drivers 29 each capture a printed sheet 11 in the area or near a fold 12 that is parallel to the transport direction indicated by arrow 25 in FIG Collection chain 2 is aligned. During transport they are Sheet 11 each astride two drivers 29 on the saddle-shaped transport device 2.
- the drums 3 and 4 each have two discs 7 and 8, which are at a distance from each other arranged and firmly connected to a shaft, not shown here are.
- On these disks 7 and 8 are opening means, for example, grippers 35, 36 shown in broken lines and / or sucker arranged.
- grippers 35, 36 shown in broken lines and / or sucker arranged.
- the lateral surface 13a is beehive-shaped and each arranged so that it is a stepless Continuation of a lateral surface 7a of a disc 7 forms.
- rollers 27 are also arranged on the disks 8, which are designed essentially the same as the roles 13. However, the rollers 27 are in pairs by rollers 13 driven as soon as these rollers 27 frictionally with rollers 13 are engaged, as in Figures 1 and 2 for the rollers 27 'is shown. The indicated with the arrows 17 The directions of rotation of the rollers 13 and 27 'are thus opposite. In order to achieve sufficient friction, are the rollers 13 and 27 preferably on the outside of one made of rubber-elastic material. The rollers 13 and 27 ' thus touch on a meridian line and turn in opposite direction while at the same time around axes 5 and 6 rotating drums 3 and 4.
- Print sheet 11 transported this is by two rollers 13th and two rollers 27 ′ are gripped and onto the transport device 2 discarded.
- the printed products 11 are here according to FIG. 1 reversely opened in a V-shape.
- the alignment of the axes is essential for the invention 15 of the rollers 13 and 27.
- These axes 15 are according to FIG. 3 arranged obliquely with respect to a vertical line 30.
- this helix angle is designated by ⁇ .
- the angle ⁇ is much smaller than 45 ° and is preferably in Range from 10 to 20 °.
- An optimal for conventional printed sheets 11 Angle is about 15 °. The effect of the inclination
- the rollers 13 and 27 will be described below with reference to the figures 1 and 3 explained in more detail.
- the drums 3 and 4 rotate continuously in the directions of the arrows 16 about the axes 5 or 6.
- This rotary movement gives the printed products 11 in each case the vertical speed indicated by arrow 24 in FIG. Since the drums touching at the same time 13 and 27 'on the printed sheets 11 each have a speed exercise which corresponds to the arrow 20 of Figure 3 and which is directed upwards with the angle ⁇ results in the Speed shown in Figure 3 with arrow 22.
- the speed sector 22 is essentially during the dropping phase constant and, as can be seen, directed obliquely downwards.
- the horizontal component is an essential component of the speed Speed according to arrow 21 in the direction of transport 25 of the transport device 2.
- the printed sheets 11 are thus accelerated when dropping in the direction of transport what as already explained above, the impact of the drivers 26 on reduces the printed products 11.
- the vertical speed component 23 is significantly smaller than that with arrow 24 peripheral speed of the drums 3 and 3 shown in FIG 4. Compared to conventional drums, this is the vertical one Ejection speed is lower and is as explained above the impact of the printed products 11 on the transport device 2 or smaller on the collection chain. Because the carrier's serve 26 and the impact of the printed products 11 are smaller is, these printed products 11 at the same transport speed treated more gently and the risk that the Jump printed products 11 away from the transport device 2 or damaged, is significantly reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Discharge By Other Means (AREA)
Description
- durch Hinkebewegungen der Öffnungstrommeln entstehen vor allem bei hohen Leistungen Schwingungen, welche die Laufruhe mindern und eine wesentlich stärkere Ausbildung der Bauteile notwendig machen. Der konstruktive Aufwand wird somit wesentlich erhöht.
- Die minimale Geschwindigkeit der Druckbogen beim Abwerfen auf die Sammelkette besteht nur in einem bestimmten Zeitpunkt und ist damit lediglich für ein ganz bestimmtes Format optimal. Bei einer Formatumstellung müsste die Transportvorrichtung umgerüstet werden.
- Fig. 1
- eine Ansicht einer erfindungsgemässen Transportvorrichtung, wobei aus zeichnerischen Gründen unwesentliche Teile, insbesondere die Greifer der Trommeln, weggelassen sind,
- Fig. 2
- eine räumliche Ansicht der Transportvorrichtung gemäss Figur 1 und
- Fig. 3
- eine weitere Teilansicht gemäss Pfeil III in Fig. 2 zur Veranschaulichung des Abwerfens von Druckbogen.
Claims (6)
- Transportvorrichtung für Druckbogen (11) mit zwei um parallele Achsen (5, 6) gegeneinander angetriebenen Trommeln (3, 4), die jeweils ein Druckprodukt (11) am Trommelumfang fassen und rittlings auf ein Transportmittel (2) abwerfen, welches Transportmittel die Druckprodukte (11) parallel zu den Trommelachsen (5, 6) transportiert, wobei auf den Trommeln (3, 4) Rollen (13, 27) angeordnet sind, die jeweils einen Bogen (11) in der Transportrichtung (25) des Transportmittels (2) beschleunigen, dadurch gekennzeichnet, dass die Drehachsen (15) der Rollen (13, 27) so zur Transportrichtung (25) des Transportmittels (2) geneigt sind, dass sie die Druckprodukte (11) beim Abwerfen auf das Transportmittel (2) in eine Richtung beschleunigen, welche der Trommelumfangsgeschwindigkeit (24) entgegengerichtet ist.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die genannten Rollen (13, 27) einen Schrägungswinkel (α) von weniger als 45° aufweisen.
- Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Schrägungswinkel (α) im Bereich von 10 bis 20° liegt.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Schrägungswinkel (α) etwa 15° beträgt.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Rollen (13, 27) bienenkorbförmig ausgebildet sind.
- Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die beiden Trommeln (3, 4) Öffnungstrommeln sind, welche gefalzte Bogen (11) einzel öffnen und rittlings auf ein als Sammelkette ausgebildetes Transportmittel (2) abwerfen.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50005194T DE50005194D1 (de) | 2000-04-20 | 2000-04-20 | Transportvorrichtung für Druckbogen |
EP20000810348 EP1149785B1 (de) | 2000-04-20 | 2000-04-20 | Transportvorrichtung für Druckbogen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20000810348 EP1149785B1 (de) | 2000-04-20 | 2000-04-20 | Transportvorrichtung für Druckbogen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1149785A1 EP1149785A1 (de) | 2001-10-31 |
EP1149785B1 true EP1149785B1 (de) | 2004-02-04 |
Family
ID=8174663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000810348 Expired - Lifetime EP1149785B1 (de) | 2000-04-20 | 2000-04-20 | Transportvorrichtung für Druckbogen |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1149785B1 (de) |
DE (1) | DE50005194D1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2579933A1 (en) | 2006-03-10 | 2007-09-10 | Ferag Ag | A method and a device for supplying, opening and depositing folded printed products |
US8181955B2 (en) * | 2010-02-03 | 2012-05-22 | Goss International Americas, Inc. | Feeder device and method for moving printed products by planar motion |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH665411A5 (de) * | 1985-02-07 | 1988-05-13 | Grapha Holding Ag | Zusammentragmaschine. |
SE8601784L (sv) * | 1986-04-18 | 1987-10-19 | Flensburg Carl G A | Sett for ileggning av signaturer samt ileggare for utovning av settet |
-
2000
- 2000-04-20 EP EP20000810348 patent/EP1149785B1/de not_active Expired - Lifetime
- 2000-04-20 DE DE50005194T patent/DE50005194D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50005194D1 (de) | 2004-03-11 |
EP1149785A1 (de) | 2001-10-31 |
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