• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A cutting device for transverse cutting of a moving paper web (4), especially in front of a folding apparatus in a rotary printing machine, comprises a longitudinally slotted shaft somewhat longer than the width of the web (4) and rotatably mounted between walls of the printing machine, the shaft being capable of being traversed approximately in its rotational axis by the web approximately centrally of the slot (3). The shaft can be biassed by means of a torsion spring disposed at either or each of shaft end and can be blocked or disengaged, at a detent (11) fixed on one of the shaft journals, by a linkage (12) coupled with an electromagnet (13). On one side of the web (4) a cutting knife (2) is disposed with its cutting edge at a short distance from the shaft cylindrical surface and from the plane of the longitudinal side of the slot (3) which is towards the cutting knife (2). Opposite the cutting knife (2) and on the other side of the web (4), a deflector bar (15) is fixed parallel to the shaft.
    公开号:SU1196286A1
    申请号:SU817772026
    申请日:1981-08-31
    公开日:1985-12-07
    发明作者:Debler Khermann
    申请人:Polygraph Leipzig；
    IPC主号:
    专利说明:

    The invention is mainly used in folding machines located in rotary printing machines, which, due to unfavorable overall conditions, embed a paper separation tool with great difficulty.
    In the folder, there are various clogging, which can lead, especially at high-speed machines, to large machine malfunctions.
    A number of devices are known that immediately after establishing a malfunction, turn off the machine and divide the paper web and thereby prevent the paper from being fed into. Folding machine. The separation device should be as close as possible to the folder, so that the end of the paper that arrived before the machine stops is as short as possible so as not to increase the resulting blockage.
    The separation device must function without malfunction, i.e. it is a safety device so that the absolute reliability of the separation of the paper web is observed with each blockage.
    For further processing of the printed paper web, transporting, perforating and cutting rollers are tightly located one to the other between the folding hopper and the folding machine, so that it is impossible to place known separating devices between these rollers without constructive compromises. The paper web separated by the dividing device cannot be removed reliably and without large expenses so that it does not enter the folding machine.
    Known device for the separation of the paper web (US patent No. 4.000.888, CL. 270-21 publish. 04.01.77.), Located in front of the folder.
    The disadvantage of this device is that it requires relatively a lot of space, so that when it is inserted, the distance between the folding hopper and the folding machine would be increased.
    In addition, the device has a very complex structure and is costly. Many moving parts lead to a lot of wear and, consequently, to a limitation of functional abilities. The dividing knife hitting the paper web requires a special guide in order to eliminate the pinching and breakdown of the device at the beginning of the blockage.
    It is also known (German Patent No. 1230811, Cl. 15 b, 35/03, published 13.08.70) separator with a knife.
    However, it requires a large area, has many moving parts and beating
    knife. The knife, having no protection for a sharp cutting edge, hits the moving blade, increasing the risk of an accident. In addition, increased funds are required in order to remove the paper web, which is already separated but arriving before the shutdown of the machine, from the folder.
    The purpose of the Invention is to create a simple, manufactured at a reasonable cost and built in almost in front of all the folder with a high functional capacity of the separation device for the transverse cutting of a moving paper web.
    The separation device should not take up much space so that it can be embedded in the folder. The risk of accidents from the separation knife, as well as the possibility of pinching it, must be established, and the number of structural elements to be worn out is reduced. At the same time, without special expenses, it must be guaranteed that the paper web arriving before the shutdown of the machine does not go back into the folder.
    To achieve this goal, the shaft with a gap that is slightly longer than the width of the paper web is located between the walls of the machine so that the level of the moving paper web is on all sides in the middle of the gap, approximately on the axis of rotation of the shaft. The shaft is locked and disengaged through a single torsion spring located on the axles of the shaft, in the tensioned state and in the tensioned state behind the anvil, fixed on the axles of the shaft with a rod connected to the electromagnet. On one side of the paper web, parallel to the shaft, there is reinforced between the walls of the machine a separating "knife, the cutting edge of which has (depending on the location of the separating knife above or below the shaft) a small distance to its outer surface and to the level of the slotted knife longitudinal surface.
    The dividing device consists of two main parts, which are almost not subject to wear, namely, the spline roller passing through with the paper web and the fixedly positioned knife. Both parts can be placed in a space formed by two pairs of shafts that are closely spaced one next to the other, without the need for the designated arrangement of these two pairs of shafts.
    The knife stays stationary during the separation process and the blade hits the cutting edge, thus cutting off, so that the special guide of the separation knife disappears and malfunction due to pinching is impossible. Accident risk is eliminated by means of the cutting edge which is pushed back, adjacent
    3
    four
    almost to the outer surface of the shaft opposite the passage of the blade.
    Opposite the dividing web, on the other side of the paper web, the bypass rail is fastened parallel to the shaft, and approximately at the same level with the cutting edge of the dividing knife. Thereby, no additional funds paper web when tripped device via the surface of the separating knife, the shaft portion of the outer surface and the surface 1 NOSTA outlet Planck blocks the path to the pressure rollers, and supplied to the machine stops the paper web is given in the safe zone.
    The torsion bar located on the axle of the shaft, is connected at one end with a ring or protrusion firmly seated stationary on the shaft and the other end with a structural part that does not rotate with the shaft, for example a drilled hole, with the wall of the machine.
    One of the axles of the shaft protrudes above its supporting position and is provided with a profile for inserting the clamping tool.
    FIG. 1 shows the proposed separation device; in fig. 2 - section A — A in FIG. one; in fig. 3 - other possibilities of using a separation device.
    The dividing device consists of two main parts - the shaft 1 and the dividing knife 2. The shaft 1 has a longitudinal slot 3, longer than the width of the paper web 4, and along its axis of rotation is located between the walls 5 of the machine in the receiving holder (not shown), which passes the paper canvas 4, or directly in the walls 5 of the machine for rotation.
    In this sequence, in working condition of the shaft 1, the levels of both longitudinal sides of the longitudinal slot 3 should be parallel and located in the middle of the level of the paper web 4. On the shaft axle 6 or on each of both axles 6 and 7, a torsion spring 8 is fixed, which is connected at one end to fixedly located on the shaft 1 by a ring 9 and the other end is connected by a structural element, such as an acceptance holder or a drilled hole 10, with the wall of the machine 5.
    An axle 11 is fastened on the trunnion 7 of the shaft, which can be blocked or uncoupled by a 12. ··
    The thrust 12 is connected to an electromagnet 13, which is attached to the wall 5 of the machine or the receiving holder. The separating knife 2 is located on one side of the paper web 4 parallel to the shaft so that
    the cutting edge 14 is located above or below the shaft 1 at a small distance from the upper surface of the shaft (approximately 0.1-1 mm) and the straight longitudinal side of the longitudinal
    5 of the slot 3, which is located on the side of the separating knife 2. The cutting edge 14 may be located at large distances to the named surfaces and straight lines, however, the functional ability of the separating device is slightly impaired.
    Opposite the dividing knife 2 on the other side of the paper web 4 and the shaft 1, approximately on the straight dividing knife 2, the discharge bar 15 is fixed, similar to the dividing knife 2 between the walls 5
    5 cars. The separating device can be located without requiring additional space in the free space between the two pairs of shafts 16 and 17. It is also possible to embed the separating
    0 fixture in front of other units of the rotary printing machine. FIG. 3, for example, demonstrates their use in an offset printing press in front of the printing cylinder. In this case, the dividing device performs a protective
    5 , since it replaces a safety device for protecting the fingers in front of both retracting printing cylinders. The axle 6 of the shaft protrudes beyond the bearing 18 and is provided with a groove 19 for setting the clamping tool 20.
    This separation device is electrically connected to the control device. To clamp the clamping tool 20, mounted on the 'groove 19 of the axle shaft 6, the shaft 1 rotates against the tension force of the torsion spring 8, while in front of the stop 11 there is a thrust 12 that blocks it.
    If the control device fixes the blockage, then the thrust 12 is attracted by means of the signal by the electromagnet 13.
    ) 1 instantly rotates in the direction of the separating knife 2. The paper web 4, which passes through the longitudinal slot 3, hits against the cutting edge 14, which is still sitting on the upper surface and simultaneously cuts.
    The shaft 1, rotating about 90 ° continuously, blocks the entrance to the folder for the paper web coming to a stop, which is guided to the right or left of the shaft by
    a) separating knife 2 or by a pull-off strap 15 outside the folder.
    It is recognized as an invention according to the results of the examination carried out by the Office for the Invention of the German Democratic Republic.
    1196286
    ll
    FIG. 3
    权利要求:
    Claims (3)
    [1]
    1. DIVIDING DEVICE FOR TRANSVERSE CUTTING OF PAPER CLOTHES predominantly in front of the folder attachments of rotary printing machines, including a separating knife, characterized in that it contains a splined shaft 1 mounted between the walls 5 of the machine so that it can rotate so that the middle part of its slot coincides with the plane of paper movement blades, torsion springs 8, mounted on axles 6 and 7 of the shaft, locking stop 11, mounted on one of the axles of the splined shaft, thrust 12,
    in contact with the stop, the electromagnet 13, associated with the pitch, and the discharge bar 15, the spline shaft is longer than the width of the paper web, the cutting edge of the separating knife is parallel to the axis of the spline shaft and is located on one side relative to the plane of movement of the paper web with the possibility of interaction with the edge of the slot the shaft located on the other side of the plane of movement of the paper web, and the discharge bar 15 is located on the opposite side of the plane of movement of the paper web parallel to the axis of the spline shaft .
    [2]
    2. Fixture on π. 1, characterized in that each torsion spring 8 with one end connected to the shaft 1 by means of a stationary ring fixed to the shaft 9 and the other end is fixed in otverstits 10 of the wall 5 of the machine.
    [3]
    3. The device for π. 1, characterized in that one of the axle shaft 6 is provided in the end portion of the groove 19 for the nozzle clamping tool 20.
    M $ C „„ 1196286
    FIG. ί
    1196286
    类似技术:
    公开号 | 公开日 | 专利标题
    EP0318853B1|1991-08-21|Apparatus for avoiding damage to machines
    US4618340A|1986-10-21|Apparatus for the receiving packing and transferring of sheet material
    SU1196286A1|1985-12-07|Separating appliance for crosscutting paper web
    DE3900663C3|1999-10-07|Device for cross cutting webs
    EP0297283B1|1991-05-08|Device for subdividing a stream of prints
    DE2657789A1|1978-06-29|DEVICE FOR PULLING A PAPER TRAIL INTO THE FOLDER OF A ROTARY PRINTING MACHINE
    US5503071A|1996-04-02|Cylinder with retractable point spurs and signature clamps
    EP0322186B1|1993-04-07|Folding apparatus and method
    US3608889A|1971-09-28|Automatic nipping and folding roller control system
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    EP1657198B1|2011-01-12|Method and device for severing and/or feeding a web into a station of further processing and web processing system
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    EP1732833B1|2010-10-13|Method and devices for severing sheets from and/or feeding a web into a subsequent processing stage
    US5067402A|1991-11-26|Apparatus for the prevention of printing machine damage
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    CA2026240A1|1991-04-04|Paper jam protected folding apparatus
    DE4442401C2|2003-01-30|Excessive arc protector
    EP1062176A1|2000-12-27|Former
    US6126586A|2000-10-03|Device for improving folding accuracy in a folder
    DE2126610A1|1972-02-03|Rotary folder
    EP1564171B1|2006-11-02|Former for a folding unit
    DE540611C|1931-12-19|Buckle folder
    DE4340836C1|1995-02-16|Web cutting device for web-fed rotary printing machines
    DE2754180A1|1979-06-07|ROLL ROTATION PRINTING MACHINE
    同族专利:
    公开号 | 公开日
    CS651481A1|1985-04-16|
    CS244522B1|1986-07-17|
    DE3142089A1|1982-07-29|
    DD157403A3|1982-11-10|
    GB2089270B|1984-06-20|
    BG41351A1|1987-06-15|
    FR2496006A1|1982-06-18|
    FR2496006B1|1985-04-26|
    GB2089270A|1982-06-23|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CH410763A|1964-04-22|1966-03-31|Sig Schweiz Industrieges|Shearing device for cutting a web of material|
    US3855891A|1971-07-12|1974-12-24|Gaf Corp|Knife module for cutting roll stock in automated equipment|
    US3813975A|1972-06-19|1974-06-04|Yorktown Ind Inc|Adjustable cut-off gauging device|
    US4063481A|1976-10-12|1977-12-20|Union Carbide Corporation|Rotary cutting device|DE3500719C2|1985-01-11|1986-11-06|M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach|Device for avoiding printing unit damage in a web-fed rotary printing press|
    DE3938478C2|1989-11-20|1991-11-28|Koenig & Bauer Ag, 8700 Wuerzburg, De|
    DE4210190A1|1992-03-28|1993-09-30|Roland Man Druckmasch|Safety device for running webs|
    DE4424918A1|1994-07-14|1996-01-18|Koenig & Bauer Albert Ag|Paper web separator|
    DE4425662C1|1994-07-20|1995-11-16|Koenig & Bauer Ag|Device for cross cutting a paper web|
    DE19615526A1|1996-04-19|1997-11-27|Voith Sulzer Papiermasch Gmbh|Tee knife to cut a running web|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DD22605280A|DD157403A3|1980-12-15|1980-12-15|SEPARATING DEVICE FOR CROSS-SECTIONING THE PAPER TRACK|
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