• 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 multi-color printing machine having a plurality of printing units is provided with means for compensating for errors in color registration, for example a device for varying the length of web between one unit and the next, and at least one device for preventing the tension in the web from exceeding an upper limit or falling below a lower limit.
    公开号:SU735160A3
    申请号:SU762385160
    申请日:1976-08-06
    公开日:1980-05-15
    发明作者:Гастон Корс Луи
    申请人:Машин Шамбон (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to equipment for print media and can be used in multicolor role-playing presses for registering inks and obtaining high-quality ^ multicolor printing images. 5
    A device for registering paints is known, mainly in a multicolor web press for printing. On thin materials, which contains sensors for reading labels of various inks from a printed web, an electronic control unit electrically connected to them, controlled by means of servomotors, means for register correction and '' a tool to limit changes in web tension between two limit values.
    This device is the closest to the proposed invention in technical essence and the achieved result.
    In this device, a register roller is used as a means for register correction. The printed web, passing around it, forms a loop. The register of paints between two sequentially placed printing apparatuses of a multicolor role printing machine is made by changing the position of the register roller.
    At the time of register correction, the material tension can change in the direction of increase or decrease, depending on the direction of correction.
    Under normal conditions, the material experiences a tension that depends on the size of the printing cylinders, the stiffness of the materials and the tension of the material at the entrance to the machine. After the material tension is changed at the time of register adjustment, it returns to the tension T0 according to the exponential law in accordance with the fact that in the printing apparatus the deformations are proportional to the stresses. A change in tension should be made between the upper limit value of T mlx. and lower limit value Tmkk. Theoretically, the lower tension threshold is 0, but it is practically impossible to achieve a tension less than Tmin. due to the resistance of the driving cylinders of the machine. The upper tension threshold T MAW corresponds to the elastic limit of the printed material. If item 735160 'is superior to Tmax. , then the length of the printed image increases, and the elongated part of the material web does not have sufficient rigidity to provide the desired magnitude, tension.
    For registering inks when ... printing on light materials (thin aluminum foil or polyethylene film. Ka) the permissible regulation limits are very small. The known device uses electronic means to limit the change in the tension of the web between two limit values, which is the reason for some delay between the moment of determining the change in tension and the moment of the correction of tension, which leads to inevitable damage to the material.
    The aim of the invention is to increase the reliability of the device.
    The goal is achieved in that each medium, to reduce the change in tension, consists of a rotary frame, one link of which carries a register roll, two levers mounted on a link of the frame located opposite the register roll, one of which is spring-loaded and freely mounted on the link, and the other rigidly, an emphasis to limit the movement of the spring-loaded lever and two fixed contact switches, one of which is located under the lever, and the other above the spring-loaded lever, while the spring-loaded lever has a finger, horse q which is located on the path of movement of the lever.
    In FIG. I is a diagram of a means for limiting changes in web tension between two limit values; in FIG. 2 same, top view; in FIG. 3 - section A — A in FIG. 2; in FIG. 4 - section B — B in FIG. 2.
    The tool for limiting changes in the web tension consists of a rotary frame 1, one link of which carries a register roller 2, two levers 3 and 4, a stop 5 to limit the movement of the lever 3 and two fixed contact switches 6 and 7. The lever 3 is spring-loaded with a spring 8, is pressed against the stop 5 with a certain force and is mounted on the link 9 of the frame 1 freely, and the lever 4 is rigidly. The switch 6 • is located above the lever 3, and the switch 7 is located under the lever 4. In addition, the lever 3 has a finger 10, the end of which is located on the path of movement of the lever 4. The blade 11, the tension of which must be controlled, covers the roller 2.
    The roller 2 is located on the frame 1 (Fig. 2-4), the levers of which are rigidly connected to the shaft of the link 9. The latter is supported by a bearing 12 located in the bed 13. Outside the bed 13, the shaft of the link 9 carries a freely rotating lever 3, which consists of a sleeve '14 with bearings 15 and cover 16 mounted on it. One end of the spring 8 is attached to the lower part of the cover 16 using the axis 17, and its other end is connected to the bed 13 by means of the spring tension adjustment mechanism 18. At the end of the link shaft 9, using the nut 19, a lever 4 is fixed, which is a branch 20, directed down. The cover 16 of the lever 3 carries a horizontal bar, which is a finger 10 of the freely mounted lever (Fig. 1). This bar is hollow and has two nozzles 21 and 22, which contact respectively with a fixed stop 5 fixed to the frame 13 with screws 23 and with a branch 20 of the lever’4. The nozzles 21 and 22 are connected through the internal cavity of the strip with a source of fluid supplied under pressure, and this source is connected to the strip through a pipe 24.
    The device operates as follows.
    The frame 1 with the roller 2, due to its weight, by itself determines the lower threshold of tension Tmin, below which the tension of the web 11 should not fall.
    The upper threshold of tension T May. is determined by the sum of the weight of the roller 2 and its frame on the one hand and the predetermined spring force 8-on the other.
    When the tension matters between T max and Tmin., The frame 1 remains in the equilibrium position, and the other elements of the assembly remain in the position shown in FIG. 1, i.e., the lever 3 is pressed by the spring 8 against the stop 5, and the lever 4 rests on the finger 10.
    If the tension of the web 11 tends to drop below the lower threshold T To , then the roller 2 is lowered, causing the lever 4 to deviate down. The latter moves away from the finger 10 and the entire force of the weight of the roller and frame 1 falls on the canvas 11, thereby limiting its tension to a value corresponding to their weight.
    As soon as the lever 4 moves away from its equilibrium position, it turns on the contact switch 7, which sends a signal to the electronic control unit, and this signal indicates that the lower threshold is T min. already reached.
    If the tension of the web 11 ^ tends to exceed the upper threshold T ^ lx., Then the lever 4 through the finger 10 moves the lever 3 away from the stop 5, overcoming the force of the spring 8. This force with the weight of the roller 2 and frame 1 determines the upper threshold of the tension Tmd "· How only the lever 3 moves away from the stop 5, it turns on the contact switch 6, which transmits a signal to the electronic control unit.
    When the web tension tends to fall below the lower threshold Tmin. , branch 20 of the lever 4 leads the nozzle 22, which leads to a drop in pressure and to the supply of a pneumatic signal.
    If the tension even tends to exceed the upper threshold Tm ^ /, then the lever 4 acts on the transverse bar by means of branch 20 to deflect and deflect the freely rotating lever 3 in the clockwise direction of rotation. This causes the nozzle 21 to deviate from the fixed stop 5, while the pneumatic signal is again given.
    You can use another type of contact to detect the movement of moving elements.
    Such a device for registering paints is used on multicolor web-printing machines when printing on light materials, excluding their destruction.
    权利要求:
    Claims (2)
    [1]
    The invention relates to printing equipment and can be used in multi-color role-playing printing machines for registering paints and obtaining high-quality print image jviHoroKpaco4Horo. A device for applying paint ink, preferably in a multi-color roll printing machine for printing-on thin materials, contains sensors for reading marks of various paints from a printed web, electrically connected to them by an electronic control unit, controlled by servo motors. register correction and means for limiting the change in web tension between two limiting values. This device is closest to the proposed invention to the technical essence and the achieved result. In this device, a register roller is used as a means for register correction. The sealed web, the passage around it, forms a loop. The ink registration between two successively arranged printing machines of a multi-color role-playing printing machine is made by changing the position of the register roller. At the time of register correction, the tension of the material may change in the direction of increase or decrease depending on the direction of correction. Under normal conditions, the Hcnbifb material has a tension That depends on the size of the printing cylinders, the stiffness of the materials and the tension of the material at the entrance to the machine. After the material tension is changed at the time of the correction of the registration, it returns to the tension Go according to the exponential law in accordance with the fact that in the printing apparatus the deformations are proportional to the stresses. The tension change should be between the upper limit value Tmx and lower limit value Tmkch. Theoretically, the lower tension threshold is equal to O, but it is almost impossible to reach less than Tmin due to the resistance of the driving cylinders of the machine. The upper threshold of Tmkb corresponds to the elastic limit of the printed material. If rollout exceeds T max. the length of the printed image is increased, and the elongated part of the web of material does not have sufficient rigidity to provide the required amount of tension. .,. ,,, .., ..... ,,. , For the implementation of ink registration when printing on light materials (thin aluminum foil or polyethylene film), the allowable adjustment limits are very small. In the known device, electronic means are used to limit the change in web tension between two limiting values, which causes some delay between the moment the tension change is detected and the time the tension correction is performed, which inevitably causes material damage. The aim of the invention is to increase the reliability of the device. The goal is achieved by the fact that each means for limiting the change in tension consists of a turn frame, one link of which carries a register roller, two levers mounted on a frame link located opposite the register roller, one of which is spring-loaded and mounted on the link freely, and the other rigidly, stop to limit the movement of the spring-loaded lever and two fixed contact switches, one of which is located under the lever and the other above the spring-loaded lever, while the spring-loaded lever has a finger, Heff, which is located on the path of travel of the lever. FIG. I shows a diagram of a means for limiting a change in web tension between two limiting values; in fig. 2 is the same, top view; in fig. 3 is a section A-A in FIG. 2; in fig. 4 is a section BB in FIG. 2. The means for limiting the change in the web tension consists of a pivoting frame 1, one link of which is the Hecet register roller 2, two levers 3 and 4, an emphasis 5 for limiting the movement of the lever 3 and two fixed contact switches 6 and 7. The lever 3 is spring-loaded spring 8 It is pressed against the anvil 5 with a certain force and mounted on the link 9 of the frame 1 freely, and the lever 4 is rigidly. The switch 6 is located above the lever 3, and the switch 7 is below the lever 4. In addition, the lever 3 has a finger 10, the end of which is located on the path of movement of the lever 4. The canvas 11, the tension of which must be controlled, covers the roller
    [2]
    2. The roller 2 is located on frame 1 (Fig. 2-4), the levers of which are rigidly connected to the shaft of the link 9. The latter rests on the support 12, which is located in the bed 13. Outside of the bed 13, the shaft of the link 9 carries the freely rotating lever 3, which consists from the sleeve 14 with the bearings 15 and the cap 16 attached to it. One end of the spring 8 is attached to the bottom of the lid 16 by means of an axis 17, and its other end is connected to the frame 13 by means of a mechanism 18 for adjusting the tension of the spring 8. At the end of the shaft of the link 9 by means of a nut 19 is fixed a lever 4, which is branch 20 downward. The flap 16 of the lever 3 carries a horizontal bar, which is the free-lever pin 1Q of the lever (Fig. 1). This floor plan and has two nozzles 21 and 22, which are in contact, respectively, with a fixed stop 5, mounted on the frame 13 with screws 23 and with a branch 20 of the lever 4. The nozzles 21 and 22 are connected through the internal cavity of the bar with a source of fluid supplied under pressure, this source being connected to the bar by means of a pipe 24. The device operates as follows. The frame 1 with the roller 2, by its weight, itself determines the lower tension threshold Tnnin below which the tension of the web 11 should not fall. Upper threshold tension T Miuce. is determined by the sum of the weight of the roller 2 and its frame 1c on one side and the predetermined force of the spring 8 on the other. When the tension is between T MAX and Tmin., Frame 1 remains in the equilibrium position, and the other elements of the assembly in the position shown in FIG. 1, i.e., the lever 3 is pressed by the spring 8 against the stop 5, and the lever 4 rests on the finger 10. If the tension of the web 11 tends to fall below the lower threshold THHH, then the roller 2 is lowered, causing the lever 4 to deflect downwards. The latter moves away from the finger 10 and the entire force of the weight of the roller 2 and the frame 1 falls on the web 11, thereby limiting its tension to a value corresponding to their weight. As soon as the lever 4 moves away from its equilibrium position, it turns on the contact switch 7, which sends a signal 3 to the electronic control unit, and this signal indicates that the lower threshold Tmin has already been reached. If the tension of the web 11 tends to exceed the upper threshold .. then the lever 4 pushes the lever 3 away from the stop 5 through the pin 10, overcoming the force of the spring 8. This force with the weight of the roller 2 and the frame 1 determines the upper tension threshold As soon as the lever 3 moves away from the stop 5, it turns on the contact switch 6, which transmits a signal to the electronic control unit. When the web tension tends to fall below the lower threshold value Tmin. . the branch 20 of the lever 4 retracts the nozzle 22, which leads to a drop in pressure and a pneumatic signal. If the tension tends to exceed the value of the upper threshold Tmdks, the lever 4 by means of the branch 20 acts on the transverse bar to retract and deflect the freely rotating lever 3 in clockwise direction. This causes the nozzle 21 to deviate from the fixed stop 5, and the pneumatic signal is again given. Another type of contact can be used to detect the movement of moving elements. Such a device for registering inks is used on multi-color print media when printing on light materials, excluding their destruction. Invention device for registering inks, mainly in a multi-color roll printing mask when printing on thin materials, containing sensors for reading 7 0 marks of various inks from the printed web, electrically connected with them an electronic control unit, controlled by the servo motors by means of correction means the register and means for limiting the change in the tension of the web between two limiting values, characterized in that, in order to increase the reliability of operation of the device Real estate, each means for limiting the tension change consists of a swing frame, one link of which carries a register roller, two levers mounted on a frame link located opposite the register roller, one of which is spring-loaded and mounted on the link freely, and the other is rigidly fixed to limit the movement of the spring-loaded lever and two fixed contact switches, one of which is located under the lever and the other above the spring-loaded lever, while the spring-loaded lever has a finger, the end of which is It is false in the way of moving the lever.
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    同族专利:
    公开号 | 公开日
    FR2320185A1|1977-03-04|
    BE844678A|1976-11-16|
    GB1540409A|1979-02-14|
    IT1068000B|1985-03-21|
    JPS565666B2|1981-02-06|
    DE2635727A1|1977-02-17|
    DE2635727B2|1980-05-14|
    US4214524A|1980-07-29|
    JPS5239410A|1977-03-26|
    DE2635727C3|1981-01-15|
    DE2660304C2|1983-04-21|
    NL7608811A|1977-02-10|
    BR7605217A|1977-08-09|
    NL172932B|1983-06-16|
    NL172932C|1983-11-16|
    FR2320185B1|1979-10-12|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3283982A|1965-01-27|1966-11-08|Inta Roto Machine Company Inc|Web tension control means|
    US3326436A|1966-08-19|1967-06-20|William F Huck|Web registering and tension control system for multi-unit presses|
    DE1919762C3|1969-04-18|1979-12-06|J. Bobst & Fils S.A., Prilly, Waadt |Device on a web-fed rotary printing press for regulating the register length of pre-printed impressions on a web|
    BE789456A|1971-10-08|1973-01-15|Bobst Fils Sa J|METHOD AND DEVICE FOR CORRECTING THE MARKING OF IMAGES IN A MACHINE WITH MULTIPLE STATIONS|DE2930438C2|1979-07-26|1982-06-24|Siemens AG, 1000 Berlin und 8000 München|Method for presetting the register in rotary rotogravure printing presses|
    US4473009A|1981-03-18|1984-09-25|Morgan John H|Apparatus for varying the position of a printing operation performed on a web|
    AT22268T|1982-01-26|1986-10-15|John Henry Morgan|APPARATUS AND METHOD FOR VARIATING THE SITUATION OF AN OPERATION WHICH IS PERFORMED ON A LONG MOVABLE ELEMENT.|
    JPS6042048A|1983-08-18|1985-03-06|Rengo Co Ltd|Phase matching apparatus for multicolor printing press|
    WO1986002318A1|1984-10-18|1986-04-24|Mitsubishi Jukogyo Kabushiki Kaisha|Rotary press starting structure|
    GB8610850D0|1986-05-02|1986-06-11|Molins Plc|Web feeding apparatus|
    DE3812295C1|1988-04-13|1989-07-06|Albert-Frankenthal Ag, 6710 Frankenthal, De|
    US5640835A|1991-10-16|1997-06-24|Muscoplat; Richard|Multiple envelope with integrally formed and printed contents and return envelope|
    DE4311129A1|1993-04-05|1994-10-06|Alfill Getraenketechnik|Process and apparatus for the conveyance of a material web|
    AT200449T†|1993-12-29|2001-04-15|Wifag Maschf|ROTARY PRINTING MACHINE|
    US5568767A|1995-04-27|1996-10-29|Heidelberger Druckmaschinen Ag|Method and device for maintaining print to cut register|
    DE19537422A1|1995-10-07|1997-04-17|Koenig & Bauer Albert Ag|Pull roller pair|
    DE59902375D1|1998-12-04|2002-09-19|Koenig & Bauer Ag|METHOD FOR REGULATING A REGISTER|
    DE19960649B4|1999-12-16|2011-06-22|Goss Contiweb B.V.|Device for correcting the lateral position of a printing material web in a web-fed rotary printing press|
    US6782818B2|2000-02-04|2004-08-31|Koenig & Bauer Aktiengesellschaft|Method for adjustment of a belt tension in a rotary press machine|
    CH694219A5|2000-02-10|2004-09-30|Bobst Sa|A method of automatic registration of prints in a rotary machine and device for carrying out the method.|
    DE10035788C1|2000-07-22|2002-03-14|Koenig & Bauer Ag|Method and device for controlling web tension in a rotary printing press|
    DE102006004307B4|2006-01-31|2013-08-14|Windmöller & Hölscher Kg|Method for measuring and adjusting web tension between inking units of a multicolor machine|
    KR100953475B1|2008-02-19|2010-04-16|건국대학교 산학협력단|Feedforward control of downstream register errors for electronic roll-to-roll printing system|
    US9162313B2|2010-12-23|2015-10-20|Lincoln Global, Inc.|Wire feeder wire drive design|
    EP3686138A4|2017-09-19|2021-07-07|Sumitomo Heavy Industries, Ltd.|Web processing system and control method|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR7524771A|FR2320185B1|1975-08-08|1975-08-08|
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