EP1749774A2 - Tambour d'appareil de pliage d'une machine d'impression. - Google Patents

Tambour d'appareil de pliage d'une machine d'impression. Download PDF

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Publication number
EP1749774A2
EP1749774A2 EP06015842A EP06015842A EP1749774A2 EP 1749774 A2 EP1749774 A2 EP 1749774A2 EP 06015842 A EP06015842 A EP 06015842A EP 06015842 A EP06015842 A EP 06015842A EP 1749774 A2 EP1749774 A2 EP 1749774A2
Authority
EP
European Patent Office
Prior art keywords
folding
bearing
folding drum
roller bearings
ball bearing
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
Application number
EP06015842A
Other languages
German (de)
English (en)
Other versions
EP1749774B1 (fr
EP1749774A3 (fr
Inventor
Frank Schmieder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
Manroland AG
MAN Roland Druckmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Manroland AG, MAN Roland Druckmaschinen AG filed Critical Manroland AG
Publication of EP1749774A2 publication Critical patent/EP1749774A2/fr
Publication of EP1749774A3 publication Critical patent/EP1749774A3/fr
Application granted granted Critical
Publication of EP1749774B1 publication Critical patent/EP1749774B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/161—Flying tuck folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/50—Machine elements
    • B65H2402/52—Bearings, e.g. magnetic or hydrostatic bearings

Definitions

  • the invention relates to a folding drum of a folding apparatus of a printing press according to the preamble of claim 1.
  • Folding machines of printing presses serve for the formation of folds on printed substrates, wherein in the case of folding machines known from the prior art, a web-shaped printing stock is usually first passed through a first longitudinal folding unit designed as a former, so as to form a first longitudinal fold on the web-shaped and preferably not yet severed printing substrate train.
  • a first longitudinal folding unit designed as a former
  • the web-shaped printing material is guided in the direction of a Querfalzhow comprising a cutting blade cylinder, a folding blade, a jaw cylinder and possibly a gripper cylinder.
  • specimens are separated from the web-shaped printing material, which are moved by means of the folding blade cylinder in the direction of the jaw cylinder.
  • second Querfalze can be formed between the jaw cylinder and the gripper cylinder, which cooperates with the jaw cylinder.
  • second Leksfalze be formed on the already pre-folded copies, which are parallel to the longitudinal fold formed in the first L jossfalzü.
  • Such a folding drum is from the DE 103 14 945 B4 known.
  • the from the DE 103 14 945 B4 Known folding drum has two opposite folding drum side walls, which engage pins, wherein the folding drum can be rotatably mounted on the pins on a frame or frame. Between the folding drum side walls extends a folding blade or folding blade spindle, which is rotatably mounted on positioned in the region of the folding drum sidewalls spherical roller bearings.
  • roller bearings are required to intercept or absorb the forces occurring during operation of the folding drum, namely the process force, weight and centrifugal force.
  • roller bearings require a relatively large minimum load, which can not be met, especially in the lower and middle speed range of the folding drum. Due to the inertia and the strong reduction of the forces acting in the radial direction, sliding movements between the rollers and the raceway of the roller bearings can form during sudden load drops, which can lead to increased bearing wear.
  • the present invention seeks to provide a novel folding drum of a folding apparatus of a printing press.
  • This object is achieved by a folding drum according to claim 1.
  • at least one device is positioned laterally next to the roller bearings serving for mounting the folding blade spindle in order to introduce a radial force into the folding blade spindle and thus to bias the respective roller bearing in the radial direction.
  • the size of the radial force to be introduced into the folding blade spindle and thus the size of the radial prestressing of the roller bearings is preferably dimensioned such that the sum of all acting forces and moments prevents a force direction reversal of the bearing forces.
  • each means for introducing the radial force in the Falzmesserspindel comprises an acting on the Falzmesserspindel ball bearing and acting on the ball bearing spring element, wherein the ball bearing is arranged together with the respective roller bearing in a bearing housing such that the roller bearing axially and supported radially on the bearing housing and the laterally positioned next to the respective roller bearings ball bearing is arranged without axial and radial support on the bearing housing in the same.
  • the spring element engages the respective ball bearing with the interposition of a ring surrounding the ball bearing, wherein the radial force spread by the spring element is independent of speed adjustable via a spring element acting on the biasing element.
  • FIG. 1 shows a folding drum 10 according to the invention of a folding apparatus of a web-fed rotary printing press, wherein the folding drum 10 serves for the formation of so-called second longitudinal folds on copies separated from a web-shaped printing material and prefolded with a first longitudinal fold and at least one transverse fold.
  • the folding drum 10 shown in Fig. 1 has two opposing folding drum side walls 11 and 12. At the folding drum side walls 11 and 12 engage laterally pins 13 and 14, wherein the folding drum 10 via the pins 13 and 14 in a frame or frame 15 rotatable is stored.
  • bearing 16 For rotatably supporting the folding drum 10 on the frame 15 are shown in Fig. 1 bearing 16, which engage with a fixed bearing ring on the frame 15 and with a rotating bearing ring on the pins 13 and 14 respectively.
  • the entire folding drum 10 is rotatable about a longitudinal axis 17.
  • a folding blade spindle 18 is positioned between the folding drum side walls 11 and 12, wherein a folding blade 20 is fastened to the folding blade spindle 18 in the exemplary embodiment shown via a folding blade carrier 19.
  • the folding blade spindle 18 is rotatable about a longitudinal axis 21, wherein the longitudinal axis 21, about which the folding blade spindle 18 is rotatable, parallel to the longitudinal axis 17, about which the entire folding drum 10 is rotatable. It should be noted that the rotational movements about the two longitudinal axes 17 and 21 are preferably carried out at different speeds, wherein the speed of the Falzmesserspindel 18 about the longitudinal axis 21 is preferably twice as large as the rotational speed of the entire folding drum 10 about the longitudinal axis 17th
  • the folding blade spindle 18 is rotatably mounted at lateral ends via roller bearings 22, wherein the roller bearings 22 are positioned in a bearing housing 23.
  • the respective roller bearing 22 is supported on the bearing housing 23 in the axial direction as well as in the radial direction.
  • the roller bearings 22 are preferably designed as spherical roller bearings.
  • At least one device 24 is positioned laterally next to the roller bearings 22 in order to introduce a radial force into the folding blade spindle 18 and thus to bias the roller bearings 22 in the radial direction. Due to the radial prestressing of the roller bearings 22, a drop below the minimum load for the roller bearings 22 can be avoided, in particular in the lower speed range of the folding drum 10 and in a sudden load shedding, so that no slippage or sliding between the rollers and the track of the roller bearing 22 can form. As a result, wear of the roller bearings 22 is minimized.
  • the size of the radial biasing force is preferably dimensioned such that the sum of all acting forces and moments does not allow a change in the direction of force of the bearing forces of the roller bearings 22, so that a bearing clearance is not traversed.
  • the ball bearings 25 are preferably designed as deep groove ball bearings and engage the folding blade spindle 18.
  • the spring element 26 engages the ball bearing 25 with an intermediate arrangement of a ring 27, wherein the ring 27 surrounds the respective ball bearing 25 and radially outwardly comprises a pocket, in which the spring element 26 is received.
  • the ball bearing 25 is positioned together with the roller bearing 22 in the bearing housing 23; However, the ball bearing 25 is positioned without axial and radial support on the bearing housing 23 in the same, so that the storage of the Falzmesserspindel 18 is not overdetermined. The introduction of the radial force in the Falzmesserspindel 18 and thus the radial bias of the roller bearings 22 is thus decoupled from the rotational movement of the Falzmesserspindel 18th
  • the means 24 for initiating the radial force in the Falzmesserspindel 18 and thus for the radial bias of the roller bearings 22 is disposed immediately adjacent to the respective roller bearing 22, wherein between the device 24 and the roller bearing 22 and between the Ball bearing 25 and the roller bearing 22 only a spacer ring 28 is positioned.
  • the spring element 26 of the device 24 may be formed as a plate spring, compression spring or any other spring.
  • spring elements and gear transmission stages or Buchgetriebeworkn can be used to provide the radial force and initiate the ball bearing 25 in the Falzmesserspindel 18.
  • the radial force provided by the respective spring element 26 is adjustable by means of a biasing element 29 acting on the respective spring element 26.
  • the biasing member 29 is executed in the embodiment shown as a guided in a bore 30 grub screw 31, wherein the position of the grub screw 31 within the bore 30 determines the bias of the spring element 26 and thus the radial force provided by the spring element 26.
  • the position of the grub screw 31 within the bore 30 is fixed by a further grub screw 32, which is guided in a direction perpendicular to the bore 30 bore 33 and presses for fixing the run in the bore 30 grub screw 31 against the same.
  • the holes 30 and 33 are therefore connected.
  • Fig. 1 shows distances a and b of the center of the roller bearings 22 of the folding drum side walls 11 and 12, which can be reduced or reduced by these distances a and b, the span of the roller bearings 22. As a result, a mass saving can be realized.
EP06015842A 2005-08-01 2006-07-29 Tambour d'appareil de pliage d'une machine d'impression. Not-in-force EP1749774B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005036612A DE102005036612B4 (de) 2005-08-01 2005-08-01 Falztrommel eines Falzapparats einer Druckmaschine

Publications (3)

Publication Number Publication Date
EP1749774A2 true EP1749774A2 (fr) 2007-02-07
EP1749774A3 EP1749774A3 (fr) 2008-07-09
EP1749774B1 EP1749774B1 (fr) 2010-01-27

Family

ID=37177833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06015842A Not-in-force EP1749774B1 (fr) 2005-08-01 2006-07-29 Tambour d'appareil de pliage d'une machine d'impression.

Country Status (4)

Country Link
US (1) US7416522B2 (fr)
EP (1) EP1749774B1 (fr)
CN (1) CN1907705B (fr)
DE (2) DE102005036612B4 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005052661A1 (de) * 2005-11-04 2007-05-10 Man Roland Druckmaschinen Ag Falztrommel
DE102010041457B3 (de) * 2010-09-27 2011-12-01 Koenig & Bauer Aktiengesellschaft Einstellanordnung eines Zylinders eines Falzapparats
CN102849523A (zh) * 2012-09-14 2013-01-02 胡和萍 一种折页机的折刀的安装装置
TWI636890B (zh) 2017-09-22 2018-10-01 東友科技股份有限公司 滾輪式側向力產生裝置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10314945B4 (de) 2003-04-02 2005-03-10 Roland Man Druckmasch Falzvorrichtung mit Falztrommel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2172203Y (zh) * 1993-08-02 1994-07-20 沈祖军 新型压紧调节折刀架
DE19511054C2 (de) 1995-03-25 1998-12-10 Koenig & Bauer Albert Ag Antrieb für ein Falzmesser in einer Falztrommel
DE19629674C1 (de) * 1996-07-23 1998-01-15 Roland Man Druckmasch Falzmesserwelle eines Falzzylinders
DE10210030B4 (de) * 2001-04-09 2012-04-19 Goss International Montataire S.A. Rotationsschwertfalzwerk
DE102005052661A1 (de) * 2005-11-04 2007-05-10 Man Roland Druckmaschinen Ag Falztrommel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10314945B4 (de) 2003-04-02 2005-03-10 Roland Man Druckmasch Falzvorrichtung mit Falztrommel

Also Published As

Publication number Publication date
DE102005036612B4 (de) 2007-04-05
CN1907705B (zh) 2010-10-13
EP1749774B1 (fr) 2010-01-27
CN1907705A (zh) 2007-02-07
US7416522B2 (en) 2008-08-26
EP1749774A3 (fr) 2008-07-09
US20070037683A1 (en) 2007-02-15
DE502006006026D1 (de) 2010-03-18
DE102005036612A1 (de) 2007-02-15

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