WO2005072969A1 - 孔版印刷装置およびインク容器 - Google Patents
孔版印刷装置およびインク容器 Download PDFInfo
- Publication number
- WO2005072969A1 WO2005072969A1 PCT/JP2005/001441 JP2005001441W WO2005072969A1 WO 2005072969 A1 WO2005072969 A1 WO 2005072969A1 JP 2005001441 W JP2005001441 W JP 2005001441W WO 2005072969 A1 WO2005072969 A1 WO 2005072969A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink
- printing
- type
- drum
- stencil
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
- B41L13/00—Stencilling apparatus for office or other commercial use
- B41L13/16—Driving gear; Control thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
- B41L13/00—Stencilling apparatus for office or other commercial use
- B41L13/04—Stencilling apparatus for office or other commercial use with curved or rotary stencil carriers
- B41L13/06—Stencilling apparatus for office or other commercial use with curved or rotary stencil carriers with a single cylinder carrying the stencil
Definitions
- the present invention relates to a stencil printing apparatus and an ink container used in the stencil printing apparatus, and more particularly to a stencil printing apparatus that performs an idling operation before stencil printing and an ink container used in the stencil printing apparatus. Things.
- a thermal head or the like is driven based on image data obtained by reading an original with a scanner or the like, and a stencil sheet is made by melting and perforating the stencil sheet.
- Various stencil printing apparatuses have been proposed in which ink is supplied from the inside and ink oozing from the inside of the printing drum to the outside is transferred to printing paper by a press roller or the like to perform printing.
- the ink in the printing drum may not uniformly bleed out of the printing drum, so that paper may be generated. Therefore, in order to avoid the above-mentioned generation of waste paper, a method has been proposed in which the printing pressure of the press roller and the rotation speed of the printing drum at the start of the stencil printing operation are set to values different from those in the steady state. ing.
- the viscosity of the ink in the print drum may become too high or the ink in the print drum may be changed.
- the idling operation be performed before the start of the stencil printing operation, because the probability of further generation of scrap paper due to drying and adhering to the inside increases.
- the idling operation is performed, for example, by rotating the print drum while keeping a state in which ink does not come out from the inside of the print drum and pressing the print roller against the print drum (Japanese Patent Laid-Open No. 8-15076). No. 9).
- the number of rotations of the printing drum during the idling operation is set to a constant value.
- the rotation speed of the print drum set as described above is not sufficient, and there may be a case where a lot of waste paper is generated.
- the printing drum is rotated more than necessary, which is a waste of time.
- a method of setting the number of rotations of the print drum in the idling operation by an operator is conceivable, but it is also difficult to set an appropriate number of rotations, and the same problem as described above occurs.
- An object of the present invention is to provide a stencil printing apparatus capable of reducing the generation of waste paper without lowering the efficiency, and an ink container used for the stencil printing apparatus.
- a first stencil printing machine of the present invention has a printing drum on which a stencil sheet made is wound and rotated, supplies ink into the printing drum, rotates the printing drum, and performs stencil printing by ink.
- a stencil printing apparatus for performing printing wherein the stencil printing apparatus includes an idling control unit for controlling the printing drum so as to perform an idling operation by rotating the printing drum before performing the stencil printing.
- the number of rotations of the printing drum in the idling operation is controlled based on the information indicating the type or the number of rotations of the printing drum in the idling operation according to the type of the ink. And characterized in that.
- the information acquisition means may include a pause time from when the operation of the stencil printing is stopped to when the operation is restarted, or the pause time and the ink.
- the number of rotations of the print drum in the idling operation according to the type of the print head is acquired, and the idling control unit is configured to provide information or information indicating the pause time and the type of the ink acquired by the information acquisition unit.
- the number of rotations of the printing drum in the idling operation is controlled based on the number of rotations of the printing drum in the idling operation according to the idle time and the type of the ink acquired by the acquiring means.
- the first ink container of the present invention is an ink container used in the first stencil printing apparatus.
- the container is characterized by having storage means for storing information indicating the type of the ink in the ink container or the number of rotations of the printing drum in the idling operation according to the type of the ink.
- the second ink container of the present invention is an ink container used in the second stencil printing apparatus, and includes information indicating the type of ink in the ink container or information of the above-mentioned resting time. It is characterized by having storage means for storing the number of rotations of the printing drum in the idling operation according to the type.
- the “type of ink” may be any type as long as it affects the transparency of the ink on the printing drum, such as ink volatility, ink viscosity, or viscosity change. There are characteristics, etc., but it is desirable to include at least one of them.
- the evaluation value obtained when the volatility of the ink is evaluated may be used.
- the evaluation value may be replaced with a numerical value, a character, a symbol, or the like, or may be the classification value when the ink is classified for each predetermined range of the evaluation value.
- the ink type indicates ink viscosity
- it means information indicating ink viscosity in an unused state.For example, the viscosity itself may be used. It may be replaced with a symbol or the like, or may be a classification value when ink is classified for each predetermined viscosity range.
- the ink type indicates viscosity change characteristics
- a predetermined evaluation value when evaluating the viscosity change characteristics of the ink may be used, or the evaluation value may be a numerical value, a character, or a character. It may be replaced with a symbol or the like, or may be the classification value when the ink is classified for each range of the magnitude of the predetermined evaluation value.
- the classification value when the inks are classified by the inks that have similar properties Can be used.
- the above ⁇ controls the number of rotations of the print drum in the idling operation based on the information indicating the type of ink or the number of rotations of the print drum in the idling operation according to the type of ink '' , For example, ink viscosity and volatility
- the control may be performed such that the number of rotations of the print drum in the idling operation is increased as the value of “” is larger.
- the idling control means controls the number of rotations of the printing drum in the idling operation based on the information indicating the type of ink acquired by the information acquiring means, for example, the idling control means It is possible to set a tape gap that associates the information indicating the type of ink with the number of rotations of the print drum in the idling operation, and refer to the table to control the number of rotations of the print drum in the idle operation. do it.
- the “pause time from when the operation of stencil printing is stopped to when the operation is started again” means the time from when stencil printing was performed in the past to when stencil printing is performed again.
- the time from when the operation of the printing drum stops to when the operation starts again may be set as the pause time, or the reproduction operation is started after the operation of the other parts of the stencil printing machine is stopped.
- the time from when the stencil printing machine is turned off to when it is turned on again may be the pause time.
- pause time is based on the information indicating the type of ink or the pause time acquired by the information acquisition means and the idling operation based on the number of rotations of the print drum in the idling operation according to the type of ink.
- Controlling the rotation speed of the print drum means, for example, that if the ink type is the same, the longer the pause time, the higher the rotation speed of the print drum in the idling operation.
- the control may be performed so that the rotational speed of the printing drum in the idling operation is increased as the viscosity and volatility of the ink are increased.
- the idling control means controls the number of rotations of the print drum in the idling operation based on the information indicating the pause time and the type of ink acquired by the information acquiring means, for example,
- a table is set in which the information indicating the pause time and the type of the ink and the number of rotations of the printing drum in the idling operation are set, and the table is referred to for the printing in the idling operation. What is necessary is just to control the rotation number of a drum.
- the idling control means may determine the idle time and the type of ink according to the type of ink.
- the idle time and the type and the number of the ink are stored in the storage means of the ink container.
- a table is stored in which the number of rotations of the printing drum in correspondence with the printing operation is stored, and the information acquisition unit acquires the pause time and refers to the table in the storage unit and refers to the pause time and the type of the ink.
- the number of rotations of the printing drum in the idling operation according to the time may be obtained.
- the information indicating the type of ink or the number of rotations of the printing drum in the idling operation according to the type of ink is obtained, and the obtained ink is obtained. Since the number of rotations of the printing drum in the idling operation is controlled based on the information indicating the type of ink or the number of rotations of the printing drum in the idling operation in accordance with the type of ink, the number of rotations of the printing drum in the idling operation is controlled.
- the number of rotations of the printing drum can be set appropriately according to the viscosity of the printing paper, etc., and the generation of waste paper can be reduced without lowering the work efficiency.
- the downtime or the downtime from when the operation of the stencil printing is stopped until the operation is started again.
- the number of rotations of the print drum in the idling operation according to the type of ink is acquired, and the acquired information indicating the pause time and the type of ink or the idle time according to the pause time and the type of ink is acquired.
- the number of rotations of the printing drum in the idling operation is controlled based on the number of rotations of the printing drum in the idling operation, so the appropriate rotation of the printing drum according to the idle time in the idling operation
- the number can be set, and the generation of waste paper can be reduced without lowering the work efficiency.
- FIG. 1 is a schematic configuration diagram of one embodiment of a stencil printing apparatus of the present invention.
- FIG. 2 is a diagram showing a part of the stencil printing apparatus shown in FIG. 1 and an embodiment of the ink container of the present invention.
- FIG. 3 is a rotation speed variable table included in the idling control means shown in FIG.
- FIG. 4 shows another embodiment of the stencil printing apparatus and the ink container of the present invention. Figure.
- FIG. 5 is a rotation speed variable table included in the idling control unit shown in FIG.
- FIG. 6 is a rotation speed variable table stored in the storage means 4 shown in FIG.
- FIG. 1 is a schematic configuration diagram of the stencil printing apparatus.
- the stencil printing machine 1 includes a reading unit 10 that reads an image of a document, a stencil making unit 20 that performs a stencil making process on the stencil sheet M based on the image information read by the reading unit 10, Printing unit 30 that prints on printing paper using stencil sheet M made in stencil making unit 20, printing unit 30 that feeds printing paper to printing unit 30, and discharges printed printing paper And a stencil discharging unit 60 for discarding the used stencil sheet M.
- the reading unit 10 is an image scanner, and has a line image sensor 12 for reading an image of a conveyed document and a document feed roller 14.
- the stencil making section 20 includes a stencil roll section 21, a stencil making unit 22 having a thermal head in which a plurality of heating elements are arranged in a line, stencil feed rollers 23, 24, and stencil guide. It has rollers 25, 26, 27 and a base paper cutter 28.
- the printing unit 30 includes a cylindrical printing drum 31 such as a perforated metal plate, a mesh structure, and the like, which is capable of passing ink, a squeegee roller 32, a doctor roller 33 disposed inside the printing drum 31, and an ink.
- An ink supply device 34 having a supply pump 35 (see FIG. 2) and a press roller 36 are provided.
- a perforated stencil sheet M is wound around the drum and mounted.
- the ink container 2 containing the ink used in the printing unit 30 is provided with an opening 3 for discharging ink at the tip end thereof. Connected to ink supply pump 35 installed in drum 20.
- the ink container 2 is provided at its tip with a storage means 4 for storing information indicating the type of ink contained in the ink container 2.
- the storage means 4 includes a memory IC 41 that constitutes a non-volatile memory (such as an EEPROM) capable of storing data for a certain period without supplying power, and a substrate 4 2 on which the memory IC 4 is mounted.
- a contact 43 is provided at the tip of the.
- the information indicating the type of the ink may be any information as long as it affects the ink permeability in the printing drum 31.
- the information indicating the volatility of the ink Information indicating the viscosity or information indicating the viscosity change characteristic may be used.
- a connector electrically connected to the contact point 4 3 of the storage means 4 of the ink container 2 is provided.
- the connector 5 and the information acquisition unit 70 are connected so that the information indicating the type of ink stored in the storage unit 4 is read out by the information acquisition unit 70 described later.
- the paper feed unit 40 includes a paper feed tray 4 1 on which the printing paper P is placed, a pickup roller 4 2 for taking out the printing paper P one by one from the paper feeding tray 4 1, and a printing drum 3 for printing the printing paper P. It has a timing roller 43 for sending out between 1 and a press roller 35.
- the discharge section 50 includes a stripping claw 51 for stripping the print paper P from the print drum 31, a discharge feed belt section 52, and a discharge table 53 on which the printed print paper P is stacked. have.
- the plate discharging section 60 is provided on one side of the printing section 30 and is used from the plate discharging box 61 into which the used stencil sheet M peeled off from the printing drum 31 is fed and from the printing drum 31. And a stencil discharge roller 62 for peeling the finished stencil sheet M and sending it into the stencil discharge box 61.
- the stencil printing apparatus 1 includes information acquisition means 70 and information acquisition means 70 for acquiring information indicating the type of ink from the storage means 4 provided in the ink container 2.
- an idling control means 71 for controlling the number of rotations of the printing drum 31 in the idling operation based on the information indicating the type of the ink acquired by the above.
- the idling operation is to rotate the print drum 31 before stencil printing.For example, the ink is not discharged from the inside of the print drum 31 and the press roller 35 is pressed against the print drum 31. This is performed by rotating the printing drum 31 in a state where it is in contact with the printing drum.
- the idling control means 71 stores a rotation speed variable table as shown in FIG.
- the rotation speed variable table as shown in Fig. 3, From the information (ink A to ink D) indicating the type of ink read from the printer, the number of rotations (number of rotations 1 to 4) of the printing drum 31 in the idling operation can be obtained. Things.
- the information indicating the type of ink, Ink A to Ink D are parameters classified based on the viscosity and volatility of the ink determined in advance by experiments, and are stored in the ink container 2.
- Means 4 stores any one of ink A to ink D.
- the rotation speed in the rotation speed variable table may be set, for example, such that the higher the volatility of the ink and the higher the parameter of the classification, the higher the rotation speed.
- the contact 4 3 of the storage means 4 provided in the ink container 2 and the connector 5 provided near the ink supply pump 35 of the stencil printing machine 1 are provided. Is connected, and the information indicating the type of the ink stored in the storage means 4 is read out by the information acquisition means 70.
- the information indicating the type of the ink read by the information acquisition means 70 is output to the idling control means 71, and the idling control means 71 uses the rotation speed variable table based on the information to execute the rotation speed. And outputs a control signal so that the printing drum 31 rotates by the number of rotations.
- the operation of stencil printing is started.
- a stencil sheet M having a predetermined length is unwound from the stencil sheet roll 21 and a plurality of heating elements of the thermal head 22 are individually and selectively heated in the stencil making section 20. In this way, thermal perforation plate making is performed. Then, the perforated stencil sheet is cut by a stencil cutter 28 and then wound around a printing drum 31.
- an ink of a predetermined color is supplied to the inside of the print drum 31 by the ink supply device 34, and when the print drum 31 is driven to rotate counterclockwise in FIG.
- the printing paper P moves from left to right in FIG. 1 by the timing roller 43 and is supplied between the printing drum 31 and the press roller 35.
- the printing paper P is pressed against the printing paper P by a press roller 36 at a predetermined printing pressure against a stencil sheet having a stencil wound around the outer peripheral surface of the drum. Printing is performed.
- the stencil printing apparatus 1 and the ink container 2 of the above embodiment information indicating the type of the ink is obtained, and the printing drum 31 in the idling operation is obtained based on the obtained information indicating the type of the ink.
- Control the number of rotations of the printing drum so it is possible to set an appropriate number of rotations of the printing drum in accordance with the viscosity of the ink during the idling operation, and to reduce the waste paper without lowering the work efficiency. The occurrence can be reduced.
- the information indicating the type of ink is stored in the storage means 4 of the ink container 2.
- the information stored in the storage means 4 of the ink container 2 is stored in the ink container 2.
- the number of rotations of the printing drum 31 in the idling operation according to the type of the ink may be stored.
- the number of revolutions stored in the storage means 4 is read out by the information acquisition means 70 as described above, and based on the read out number of revolutions, the idling control means 71 causes the printing drum 31 in the idling operation to operate. May be controlled.
- the number of rotations of the printing drum 31 in the idling operation is controlled according to the type of the ink. However, the operation is stopped until the operation is started again after the operation of the stencil printing is stopped.
- the number of rotations of the print drum 31 in the idling operation may be controlled in consideration of the pause time for measuring the pause time of the print head. Specifically, as shown in FIG. 4, a pause time measuring means 72 for measuring a pause time from when the stencil printing operation is stopped to when the operation is started again is provided, and as shown in FIG.
- the idling control means 71 stores a rotation speed variable table corresponding to the information indicating the pause time and the type of ink, and the idle time control means 71
- the number of revolutions is obtained using the variable number of revolutions table from the pause time measured by step 2 and the information indicating the type of ink read out from the storage means 4, and the number of revolutions of the printing drum 31 in the idling operation is determined by the number of revolutions.
- the number of rotations may be controlled. If the information indicating the type of ink is the same, the longer the idle time, the higher the viscosity of the ink. Therefore, in the variable speed table, the longer the idle time, the higher the rotational speed. You just have to increase it.
- an appropriate time corresponding to the pause time in the idling operation can be obtained.
- the number of rotations of the printing drum can be set, and the generation of waste paper can be reduced without lowering the work efficiency.
- the number of rotations of the printing drum 31 in the idling operation is not controlled based on both the information indicating the type of the ink and the pause time. You may make it control.
- the rotational speed variable table as shown in FIG. May be stored.
- the rotation speed variable table shown in FIG. 6 allows the rotation speed of the printing drum 31 in the idling operation to be obtained from the idle time. Then, for example, the pause time is measured by the pause time measuring means 72 of the stencil printer 1, and the information acquisition means 70 or the idling control means 71 detects the ink container 2 based on the measured pause time.
- the rotation speed according to the rest time may be read with reference to the rotation speed variable table stored in the storage means 4.
- the number of rotations of the printing drum 31 set in the rotation number variable table and the number of rotations of the printing drum 31 stored in the storage means 4 are determined by The number of revolutions of the printing drum 31 in the dring operation itself may be set, or the number of revolutions for the standard ink type and the idle time may be set in the stencil printing machine 1 or the storage means 4 in advance.
- the ratio and the adjustment value with respect to the standard rotation speed are set in the rotation speed variable table or stored in the storage means 4, and the idling is performed based on the standard rotation speed and the ratio or the adjustment value.
- the rotation speed of the printing drum 31 in the operation may be obtained.
- the pause time measuring means 72 When the pause time measuring means 72 is provided as described above, if the measured pause time is equal to or greater than a predetermined threshold, the pause time is determined in accordance with the pause time as described above.
- the idling operation is performed at the rotation speed, and if the measured pause time is less than a predetermined threshold, the idling operation is not performed.
- the stencil printing operation may be performed as it is.
- the information indicating the type of ink is stored in the memory IC 41 of the storage means 4, but the present invention is not limited to this, and the information indicating the type of ink may be stored. It may be recorded as a bar code, or may be recorded with other characters, symbols, or the like.
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004021431A JP2005212262A (ja) | 2004-01-29 | 2004-01-29 | 孔版印刷装置およびインク容器 |
JP2004-21431 | 2004-01-29 |
Publications (1)
Publication Number | Publication Date |
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WO2005072969A1 true WO2005072969A1 (ja) | 2005-08-11 |
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ID=34823791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/001441 WO2005072969A1 (ja) | 2004-01-29 | 2005-01-26 | 孔版印刷装置およびインク容器 |
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JP (1) | JP2005212262A (ja) |
WO (1) | WO2005072969A1 (ja) |
Families Citing this family (1)
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US9701127B2 (en) | 2013-06-06 | 2017-07-11 | Seiko Epson Corporation | Liquid container |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08150769A (ja) * | 1994-11-28 | 1996-06-11 | Tohoku Ricoh Co Ltd | 孔版印刷装置 |
JPH08224950A (ja) * | 1995-02-23 | 1996-09-03 | Tohoku Ricoh Co Ltd | 輪転式孔版印刷装置 |
JPH10264357A (ja) * | 1997-03-28 | 1998-10-06 | Tohoku Ricoh Co Ltd | 印刷装置及びこれに用いられるインキ収納容器 |
JP2000015916A (ja) * | 1998-07-03 | 2000-01-18 | Riso Kagaku Corp | 組み合わせ検出装置 |
JP2001341290A (ja) * | 2000-06-06 | 2001-12-11 | Tohoku Ricoh Co Ltd | マスタ収納物及びインキ収納容器の識別方法並びに印刷装置 |
-
2004
- 2004-01-29 JP JP2004021431A patent/JP2005212262A/ja not_active Withdrawn
-
2005
- 2005-01-26 WO PCT/JP2005/001441 patent/WO2005072969A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08150769A (ja) * | 1994-11-28 | 1996-06-11 | Tohoku Ricoh Co Ltd | 孔版印刷装置 |
JPH08224950A (ja) * | 1995-02-23 | 1996-09-03 | Tohoku Ricoh Co Ltd | 輪転式孔版印刷装置 |
JPH10264357A (ja) * | 1997-03-28 | 1998-10-06 | Tohoku Ricoh Co Ltd | 印刷装置及びこれに用いられるインキ収納容器 |
JP2000015916A (ja) * | 1998-07-03 | 2000-01-18 | Riso Kagaku Corp | 組み合わせ検出装置 |
JP2001341290A (ja) * | 2000-06-06 | 2001-12-11 | Tohoku Ricoh Co Ltd | マスタ収納物及びインキ収納容器の識別方法並びに印刷装置 |
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JP2005212262A (ja) | 2005-08-11 |
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