CN1830666A - Variable printing machine - Google Patents
Variable printing machine Download PDFInfo
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- CN1830666A CN1830666A CN 200610008604 CN200610008604A CN1830666A CN 1830666 A CN1830666 A CN 1830666A CN 200610008604 CN200610008604 CN 200610008604 CN 200610008604 A CN200610008604 A CN 200610008604A CN 1830666 A CN1830666 A CN 1830666A
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- printing
- pressure cylinder
- cylinder
- printed
- deflector roll
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
One changeable printing machine capable of printing on plastic film and other thin material fluently without loosening and shaking is disclosed. The changeable printing machine has pressing drums of the printing unit set between one pair of feeding rollers rotating symmetrically with the feeding rollers and each of the pressing drums is provided with guide roller in at least one of the upstream side and the downstream side for the printed material to pass through between the printing drum and the pressing drum.
Description
Technical field
The present invention relates to variable printing machine.
Background technology
As shown in Figure 1, hectograph type variable printing machine disposes in the horizontal direction between a pair of feed rolls 1,2 of rotating synchronously and carries out variable printed a plurality of printing element 3a, 3b.This each printing element 3a, 3b is made up of printing cylinder 4, blanket cylinder 5 and pressure cylinder 6, for example becomes the large-diameter portion of the printing surface of hemicycle girth s-a in the outer peripheral face setting of blanket cylinder 5, at the outer peripheral face of this large-diameter portion rubber 7 is installed.
In addition, the part of docking in the large-diameter portion with described blanket cylinder 5 of printing cylinder 4 is installed the girth galley 8 shorter than this butted part girth s-a.Supply with China ink from the ink-feeding device (not shown) that is provided with in abutting connection with this printing cylinder 4 to the galley 8 of this printing cylinder 4.In addition, at least one upstream side or another downstream of a pair of feed rolls 1,2 in described upstream side and downstream paper buffer part (ring portion) 9 (reference example such as spy open flat 2-75561 communique) is set.
In this variable printing machine, continuously on the continuous paper 10 in world direction repeatedly to world direction length during than the printing of the length of the girth s-b of all length of the large-diameter portion of blanket cylinder 5, during the continuous rotation of blanket cylinder 5, pass through the effect of feed rolls 1,2, the girth s-a that continuous paper 10 runs through the large-diameter portion of blanket cylinder 5 at the uniform velocity advances, and carries out the printing of described printing girth s-b during this period.Then, at the girth a-s of the minor diameter of the blanket cylinder 5 of each printing element 3a, 3b facing to during the pressure cylinder 6, between so-called draining period, 10 negative line feeds in the a-b of non-visual scope scope of continuous paper, this advances repeatedly in turn, and the blanket cylinder 5 of each printing element 3a, the 3b no compartment of terrain of whenever turning around on continuous paper 10 is printed the image of the world length of s-b repeatedly.
On this variable printing machine, as shown in Figure 1, the paper path between two feed rolls 1,2 is shape linearly, in the upstream and downstream of each printing element 3a, 3b side deflector roll is not set simultaneously.Therefore, continuous paper 10 negative line feeds return operation continuous paper 10 when relative with the minor diameter of blanket cylinder 5, the continuous paper 10 in the path that two feed rolls are 1,2 runs through the state that this total length moment becomes not clamping, carries out this every printing repeatedly.
Like this, in existing this variable printing machine, be easy to generate on the continuous paper in the feeding path between the feed rolls 1,2 and rock, the central portion in above-mentioned feeding path takes place lax easily and rocks especially, is easy to generate the unsettled snake spot of tension force.
Therefore, must make the feed rolls 1,2 in upstream side and downstream produce difference, strengthen the tension force of continuous paper 10, eliminate that deadweight by continuous paper 10 produces lax and rocking, suppress the snake spot, prevent the printing stain that produces with contacting of pressure cylinder 6 by blanket cylinder 5 simultaneously and damage.
But, when using plastic sheeting to be printed material, be easy to damage owing to this is printed material self, and be attached on the cylinder easily, so produce damaging of forming by the friction of pressure cylinder and blanket cylinder inevitably and print stain by static.
In addition, using under the thin situation that is printed material such as paper and film, feeding path between two feed rolls reaches 7m when above, for suppressing lax in the middle of this and rocking when increasing the tension force that is printed material, because of taking place to prevent the snake spot so can not improve tension force by stretching and cutting off the new problem that produces.
Summary of the invention
The present invention uses thin materials such as plastics even purpose provides a kind of material that is printed in view of the above problems, also can successfully not produce lax and carries out variable printed variable printing machine with rocking.
For achieving the above object, the variable printing machine of first aspect present invention is provided with at least one group of printing element between a pair of feed rolls of rotating synchronously, this printing element passes the material that is printed of the continuous shape of advancing in this feed rolls, printing cylinder and pressure cylinder by continuous rotation constitute, and between the side face that circumferentially is arranged on printing cylinder and pressure cylinder be printed material and contact the large-diameter portion and the minor diameter of printing.Described two feed rolls the large-diameter portion that runs through printing cylinder be printed the material period of contact, make to be printed material and to advance with the speed that equates with the velocity of rotation of this large-diameter portion; Make in minor diameter and non-visual scope in being printed the large-diameter portion that material runs through described printing cylinder during relative and to be printed the material negative line feed.
In this variable printing machine, when the pressure cylinder that makes printing element and described a pair of feed rolls rotated synchronously, the volume angle volume that is used for running through on the pressure cylinder regulation at least one side configuration of upstream side and downstream of each pressure cylinder was hung through the deflector roll that is printed material between printing cylinder and pressure cylinder.
According to this formation, that advances between two feed rolls in upstream side and downstream is printed material by often hanging with the volume angle volume of regulation at each printing element, even breaking away from pressure cylinder in the large-diameter portion of blanket cylinder is printed material and can't help the state that blanket cylinder clamps, this is printed material can not become free state yet between two feed rolls, thus can prevent by variable printed repeatedly toward counter be traveling in to be printed on the material produce lax and rock.
Thereby, using plastic sheeting when being printed material especially, that can eliminate that friction by pressure cylinder and blanket cylinder forms damages and prints stain.In addition, because the unnecessary tension force that to remove lax and shaking degree size that applies, carry out variable printedly so when using thin material to be printed material, can not produce stretching and cut-out, also can bring into play big effect when thin paper does not apply tension force and during film printing.
A second aspect of the present invention, in above-mentioned variable printing machine, formation makes described deflector roll and described pressure cylinder rotate synchronously with same speed.
According to this formation, the deflector roll at the upstream side of the pressure cylinder by being located at each printing element and at least one place in downstream and described pressure cylinder rotate with same speed synchronously, can make between two feed rolls, advance be printed material not only at pressure cylinder, even can not advance with the volume extension portion of deflector roll with not producing the slit fully yet.
Thereby, when using plastic sheeting to be printed material, can be difficult to more to produce that friction by pressure cylinder and blanket cylinder forms damages and print stain.
Third aspect present invention, in each above-mentioned variable printing machine, formation makes at least one deflector roll move in the direction of the length of travel of the paper that is printed material that changes the process printing element.
According to this formation, change the drawing length of printing element by correspondence, can change paper by deflector roll and advance, thereby the length of every this drawing of change can change the position of printing element, can when changing drawing length, realize cell position adjustment operation and position regulator simply.In addition, because needn't the mobile printing unit, so printing element does not need the length of movable part, thereby can shorten the length of entire machine.
Fourth aspect present invention in each above-mentioned variable printing machine, is formed between the downstream of pressure cylinder and the deflector roll drying device is set.
Constitute according to this, at the China ink that is printed the drawing that has just printed on the material that comes out from printing cylinder immediately by the drying machine drying, so can prevent the printing stain that forms by deflector roll.
With reference to the accompanying drawing of expression embodiments of the present invention, by following detailed description and to the research of summary of the invention, be appreciated that methods of the present invention and other purposes, characteristics and advantage and these advantages of realization, the present invention may be better understood.
Description of drawings
Fig. 1 is the schematic illustration that the existing variable printing machine of expression constitutes;
Fig. 2 is the schematic illustration that expression variable printing machine of the present invention constitutes;
Fig. 3 is the schematic illustration of drive system one example of expression deflector roll.
The specific embodiment
One example of variable printing machine of the present invention is by Fig. 2 and Fig. 3 explanation.Identical with prior art shown in Figure 1 in the drawings formation adopts identical numbering to describe.
Configuration many (four) is by printing cylinder 4 in 1,2 travel paths of feed rolls in the upstream side of the direct of travel of continuous paper 10 and downstream, and blanket cylinder 5, pressure cylinder 6 constitute can carry out variable printed printing element 3a, 3b, 3c, 3d.The printing cylinder 4 of each printing element 3a～3d and blanket cylinder 5 rotate continuous paper 10 direction of travel with same peripheral speed.In addition, do not have diagram in Fig. 2, the large diameter outer peripheral face at printing cylinder 4 and blanket cylinder 5 is equipped with galley and rubber respectively.In addition, set paper buffer part 9a, 9b respectively at the upstream side of upstream side feed rolls 1 and the downstream of downstream feed rolls 2.In addition, 11 are the paper feed parts of upstream side that are configured in the paper buffer part 9a of upstream side in the drawings.
Each pressure cylinder 6 of each printing element 3a～3d rotates with two feed rolls 1,2.
Upstream side and downstream at each pressure cylinder 6 of each printing element 3a～3d are provided with deflector roll 12a, 12b, and it is used to run through pressure cylinder 6 regulations volume angle and rolls up and hang through the blanket cylinder 5 of each unit 3a～3d and the continuous paper 10 between the pressure cylinder 6.
In addition, above-mentioned each deflector roll 12a, 12b are connected with the pressure cylinder 6 of each printing element 3a～3d, rotate synchronously with same peripheral speed with this pressure cylinder 6.
Fig. 3 represents the drive system of deflector roll 12a, 12b.In the drawings, a deflector roll 12a is connected with the driving shaft of pressure cylinder 6 by gear train 13, and another deflector roll 12b is connected with an above-mentioned deflector roll 12a by belt 14, and these two deflector roll 12a, 12b and pressure cylinder 6 rotate synchronously and with same speed.
The UV drying machine 15 of the Printing Department of dry continuous paper 10 is set facing to this middle continuous paper 10 of process between the deflector roll 12b in pressure cylinder 6 and downstream in addition.
At least one the deflector roll 12b of deflector roll 12a, 12b that is arranged on the upstream and downstream side of described pressure cylinder 6 can be in the paper length of travel direction shift position that changes between printing element 3a～3d.The shift position of this moment does not change the spacing of the connected system of deflector roll 12a, 12b.
In addition, the printing cylinder 4 of each printing element 3a～3d is connected with a drive source by primary shaft with blanket cylinder 5, perhaps is connected and can rotates synchronously with the separate electrical motor that can control rotation respectively.Equally, the feed rolls 1,2 in upstream side and downstream and the pressure cylinder of each printing element 3a～3d are connected with a drive source by primary shaft, perhaps are connected with the separate electrical motor that can control rotation respectively and can same speed rotate synchronously.
In said structure, the continuous paper 10 between two feed rolls 1,2 is through blanket cylinder 5 and the pressure cylinder 6 of each printing element 3a～3d.At this moment, continuous paper 10 hangs on the pressure cylinder 6 with regulation volume angle volume via the upstream side of each pressure cylinder 6 and deflector roll 12a, the 12b in downstream.
Then, make the pressure cylinder 6 of two feed rolls 1,2 and each printing element 3a～3d and the action interlock of each printing element 3a～3d carry out forward and backward rotation.The major diameter girth that promptly runs through the blanket cylinder 5 of each printing element 3a～3d makes continuous paper 10 advance in the forward rotation direction; Minor diameter at blanket cylinder 5 makes continuous paper 10 negative line feeds facing to during the pressure cylinder 6 in the non-visual scope that becomes the remainder distance of advancing to described forward rotation direction.
This moment pressure cylinder 6 and deflector roll 12a, 12b is controlled so as to continuous paper 10 direct of travels and gait of march and rotates with same peripheral speed synchronously; Continuous paper 10 hangs over the state of pressure cylinder 10 and is advanced by pressure cylinder 6 guiding in positive and negative two directions at the volume angle volume with regulation.
The minor diameter of the blanket cylinder 5 of each printing element 3a～3d is relative with pressure cylinder 6 in this wise, when can't help these blanket cylinder 5 effect folder extensions, continuous paper 10 also can be rolled up on the pressure cylinder 6 that hangs over each printing element 3a～3d and advance, thereby can prevent the lax of continuous paper relative with the minor diameter of blanket cylinder 5 and that drive in the wrong direction under the state of clamping not acting on of forming thus and rock.
And this moment, by guiding the deflector roll 12a of described continuous paper 10,12b and pressure cylinder 6 rotated with same peripheral speed synchronously in the front and back of each printing element 3a～3d, and through deflector roll 12a, the continuous paper 10 of 12b its seamless unoccupied place is relatively advanced.
In addition, at this moment because relative through the continuous paper 10 of pressure cylinder 6 with UV drying machine 15 in positive veer, by the Printing Department of each printing element 3a～3d printing at once by UV drying machine drying, so this Printing Department and pressure cylinder 6 are approaching, can not produce by the deflector roll 12a that is located at its upstream side and downstream side, stain that 12b causes yet.
In above-mentioned variable printed action, when changing the printing length of each printing element 3a～3d, undertaken by the position of moving displaceable deflector roll 12b the adjustment of the paper feeding between each printing element this moment.In addition, the adjustment of Ci Shi paper feeding also can be undertaken by mobile printing unit change unit interval equally with prior art.This moment needn't mobile deflector roll 12b, can be fixed.
In addition, what printing element 3a in the above-described embodiment～3d illustrated is the hectograph type, and the printing element of certain this mode also can be used for not using the straight seal type of blanket cylinder.
In addition, in the above-described configuration, deflector roll 12a, 12b not necessarily are used in the upstream side and two places, downstream of pressure cylinder 6, importantly as long as continuous paper 10 volumes are hung on the pressure cylinder 6, are located at which side and all can.
In addition, the drying machine that is located at the downstream of pressure cylinder 6 also is not limited to UV drying machine 15, so long as have the drying machine that also can use other of strong drying power.
Claims (4)
1. variable printing machine, it is provided with at least one group of printing element between a pair of feed rolls of rotating synchronously, this printing element passes the material that is printed of the continuous shape of advancing in this feed rolls, printing cylinder and pressure cylinder by continuous rotation constitute, and between the side face that circumferentially is arranged on printing cylinder and pressure cylinder be printed material and contact the large-diameter portion and the minor diameter of printing; Described two feed rolls are in the large-diameter portion that runs through printing cylinder and be printed the material period of contact, make and be printed material and advance with the speed that equates with the velocity of rotation of this large-diameter portion, make in minor diameter and non-visual scope in being printed the large-diameter portion that material runs through described printing cylinder during relative and to be printed the material negative line feed
It is characterized in that, when the pressure cylinder that makes printing element and described a pair of feed rolls rotated synchronously, the volume angle volume that is used for running through on the pressure cylinder regulation at least one side configuration of upstream side and downstream of each pressure cylinder was hung through the deflector roll that is printed material between printing cylinder and pressure cylinder.
2. variable printing machine as claimed in claim 1 is characterized in that, described deflector roll and described pressure cylinder are rotated synchronously with same speed.
3. variable printing machine as claimed in claim 1 or 2 is characterized in that, at least one deflector roll is moved in the direction of the length of travel of the paper that is printed material that changes the process printing element.
4. as each described variable printing machine in the claim 1 to 3, it is characterized in that, between the downstream of pressure cylinder and deflector roll, drying device is set.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP200563699 | 2005-03-08 | ||
| JP2005063699A JP2006247869A (en) | 2005-03-08 | 2005-03-08 | Variable printing machine |
| JP2005323188 | 2005-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1830666A true CN1830666A (en) | 2006-09-13 |
| CN100534793C CN100534793C (en) | 2009-09-02 |
Family
ID=36993224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100086046A Expired - Fee Related CN100534793C (en) | 2005-03-08 | 2006-02-17 | Variable printing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006247869A (en) |
| CN (1) | CN100534793C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431278A (en) * | 2010-09-22 | 2012-05-02 | 株式会社宫腰 | Sheet-fed duplex and sheet-fed duplex multi-color printers |
| CN102514399A (en) * | 2008-04-25 | 2012-06-27 | 精工爱普生株式会社 | Printing apparatus and printing method |
| CN102555420A (en) * | 2010-12-27 | 2012-07-11 | 罗铁机械股份有限公司 | Lithographic printing device and method for achieving printing surface continuation with different image-text ranges |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944192B (en) * | 2015-04-23 | 2018-04-13 | 河北海贺胜利印刷机械集团有限公司 | Intermittent leapfrog machine, the printing machine conveyer and printing machine for including it |
| EP3603974B1 (en) * | 2017-03-24 | 2023-01-04 | Sumitomo Heavy Industries, Ltd. | Control apparatus |
| JP7088556B2 (en) | 2019-03-14 | 2022-06-21 | 株式会社ミヤコシ | Intermittent printing machine |
-
2005
- 2005-03-08 JP JP2005063699A patent/JP2006247869A/en active Pending
-
2006
- 2006-02-17 CN CNB2006100086046A patent/CN100534793C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514399A (en) * | 2008-04-25 | 2012-06-27 | 精工爱普生株式会社 | Printing apparatus and printing method |
| CN102431278A (en) * | 2010-09-22 | 2012-05-02 | 株式会社宫腰 | Sheet-fed duplex and sheet-fed duplex multi-color printers |
| CN102555420A (en) * | 2010-12-27 | 2012-07-11 | 罗铁机械股份有限公司 | Lithographic printing device and method for achieving printing surface continuation with different image-text ranges |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006247869A (en) | 2006-09-21 |
| CN100534793C (en) | 2009-09-02 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
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| CI02 | Correction of invention patent application |
Correction item: Priority Correct: 2005.11.08 JP 2005-323188 False: Lack of priority second Number: 37 Page: The title page Volume: 22 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: PRIORITY; FROM: MISSING THE SECOND ARTICLE OF PRIORITY TO: 2005.11.8 JP 2005-323188 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |