CN1911654A - Non-roller drum offset machine - Google Patents
Non-roller drum offset machine Download PDFInfo
- Publication number
- CN1911654A CN1911654A CN 200610079533 CN200610079533A CN1911654A CN 1911654 A CN1911654 A CN 1911654A CN 200610079533 CN200610079533 CN 200610079533 CN 200610079533 A CN200610079533 A CN 200610079533A CN 1911654 A CN1911654 A CN 1911654A
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- China
- Prior art keywords
- reel
- forme
- printing
- drum
- platen
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Abstract
The no-shaft web offset press includes a foundation, a printing assembly, a front drawing assembly and a back drawing assembly. The printing assembly includes a print plate drum with PS plate and a printing drum, and each of the drawing assemblies has independent servo motor for providing power. Between the print plate drum and the printing drum, there is one increased transferring rubber drum with notch. The combination of the print plate drum, the transferring rubber drum and the printing drum is powered with one servo motor controlled by means of one PLC controller. The present invention has the features of simple structure, high printing quality and convenient print plate regulation.
Description
Technical field
The present invention relates to printing technology, specifically is a kind of non-roller drum offset machine.
Background technology
The web press of current use mainly comprises the several parts of support, traction electric machine and printing unit, before and after support, all be provided with to draw and lead reel, printing unit comprises forme reel and platen, two reels are close together, draw on reel in the printing unit and the support and lead reel and each reel and traction electric machine are connected by a connecting axle, guarantee the synchronous rotation of each reel, the forme on the forme reel adopts common relief printing plate seal; In when work, paper passes between two reels, and each reel keeps rotation synchronously under the effect of connecting axle and driven by motor, can coat printing ink on the content of printing on the forme reel, rotates by the forme reel, the content of printing can be printed on the paper; Mainly there is following shortcoming in above-mentioned rotary machine: adopt connecting axle syndeton more complicated, adopt relief printing plate formula forme printing quality bad, the adjusting inconvenience of forme.
Summary of the invention
The object of the present invention is to provide a kind of non-roller drum offset machine, have simple in structurely, printing quality is good, the characteristics that forme is easy to adjust.
For realizing foregoing by the following technical solutions:
A kind of non-roller drum offset machine comprises support and printing unit, respectively is provided with draw-gear before and after the support, and printing unit mainly includes forme reel and platen; It is characterized in that; Described draw-gear provides power by independent servo motor, sets up the rubber transporting rolls between forme reel and platen, and described rubber transporting rolls is provided with breach, adopts the PS version on the described forme reel; The forme reel of described printing unit inside, rubber transporting rolls and platen triplets provide power by a servomotor, and servomotor is controlled work by the PLC controller.
Described draw to lead also be provided with a platen and function cylinder between device and the printing unit.
The present invention will draw the reel that leads device and printing unit inside provides power by independent servo motor respectively, and control servomotor by the PLC controller and rotate, and guarantee the synchronism of each motor, thereby can guarantee that the connecting axle of synchronism saved with originally being used for, make that the structure of roller drum offset machine was more simple; And the forme on the forme reel has adopted the PS version, and the PS version adopts alcohol to cool off continuous damping, makes that to print the product quality of coming out better, also reduces production costs simultaneously; The rubber transporting rolls is provided with a breach, here only account for the part of the forme space of a whole page according to print content on the usual condition, after reel rotates a circle, having very on seal paper, large tracts of land is blank, reduce production costs and print paper content continuity in order to save seal paper, seal paper passed between rubber transporting rolls and platen when the present invention printed, when the rubber transporting rolls rotates to the indentation, there position relative with platen, this moment, rubber transporting rolls and platen lost pressure to seal paper, this moment is according to configuring program in advance, the PLC controller can drive the servomotor counter-rotating, to print paper by draw-gear and rewind on the position of original setting, guarantee the continuity of picture and text on seal paper of printing.
Description of drawings
Fig. 1, structural representation of the present invention;
Fig. 2, PLC of the present invention control schematic diagram;
Fig. 3, the present invention are provided with the structural representation of function cylinder.
The specific embodiment
Adopting multicolored roller drum offset machine among the present invention is schematic diagram.
As shown in Figure 1, 2, a kind of non-roller drum offset machine, comprise support 1 and printing unit 2, respectively be provided with one draws and leads device 10 at the two ends of support 1, draw and lead device 10 and provide power by servomotor for it, described printing unit 2 comprises forme reel 21, rubber transporting rolls 22 and platen 23, and described rubber transporting rolls 22 is provided with breach 24, forme on the described forme reel 21 is the PS version, and each reel provides power by an independent servo motor on the printing unit 2.
Of the present invention drawing led device and reel all provides power by independent servomotor, and each servomotor is controlled by the PLC controller, the PLC controller is controlled the operation of each motor by a sports cards that edits program, so just can guarantee that the connecting axle of synchronism saved, make that the structure of roller drum offset machine was more simple originally being used for; Rubber transporting rolls 22 is provided with breach 24, here only account for the part of the forme space of a whole page according to print content on the usual condition, after reel rotates a circle, having very on seal paper, large tracts of land is blank, reduce production costs in order to save seal paper, the present invention rotates to indentation, there and platen 23 when corresponding at rubber transporting rolls 22,23 pairs of seals of rubber transporting rolls 22 and platen paper does not have extruding force, this moment is according to configuring program in advance, the PLC controller can the set driven by program of root sports cards draw the servomotor counter-rotating of leading device 10, seal paper is rewinded the length of prior setting, guarantee to print the continuity of content.
The present invention adopts the PS version as forme, the PS version is exactly the pre-coating photosensitive resin plate, by the version base, oxide layer, hydrophilic layer and photosensitive layer are formed, the version base is the carrier of forme picture and text, play the effect of supporting photosensitive layer, after oxide layer is carried out anodized to the version base, can form layer oxide film at the version primary surface and have stronger adsorptivity, wearability and corrosion resistance, can link photosensitive layer and version base securely, the hydrophilic membrane that hydrophilic layer forms after anodic oxidation and sealing of hole processing, photosensitive layer has good oleophylic repellency, wearability and acid resistance, thereby adopt the PS version can make that the forme surface can residual ink, it is better to print the product quality of coming out, the cleaning cooling of PS version is to adopt alcohol to cool off continuous damping, can suitably reduce production costs; PS version commonly used at present in addition all is aluminium base version positive-type PS version, needs chromatography to detect usually before the printing beginning, and is unpunctual when chromatography occurring, can carry out contraposition adjusting or electrical adjustment to the PS version, makes the chromatography success, can simplify the adjusting of chromatography.
As shown in Figure 3, the present invention can also set up function cylinder 25 and platen 23 at the output of printing unit, and seal paper is from passing between them, and described function cylinder 25 can realize that UV glazing, circle pressing mold are cut, overlay film, beat code function; Adopt UV glazing reel to go up bare-barrel drum through out-of-date UV as function cylinder 25 and can carry out glazing seal paper surface when seal paper, adopt the circle press mold to cut cylinder as function cylinder 25 and then can carry out circular cutting processing seal paper, adopt overlay films or beat a yard cylinder and then can or beat code operations as function cylinder 25 the printed matter surface overlay film, though change the function cylinder of needs in the time of can be during work, reach the needs of printing according to different needs.
Claims (2)
1, a kind of non-roller drum offset machine comprises support and printing unit, respectively is provided with draw-gear before and after the support, and printing unit mainly includes forme reel and platen; It is characterized in that; Described draw-gear provides power by independent servo motor, sets up the rubber transporting rolls between forme reel and platen, and described rubber transporting rolls is provided with breach, adopts the PS version on the described forme reel; The forme reel of described printing unit inside, rubber transporting rolls and platen triplets provide power by a servomotor, and servomotor is controlled work by the PLC controller.
2, the described a kind of non-roller drum rotary offset machine of claim 1 is characterized in that: described draw to lead also be provided with a platen and function cylinder between device and the printing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610079533 CN1911654A (en) | 2005-06-02 | 2006-04-29 | Non-roller drum offset machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520102637.8 | 2005-06-02 | ||
| CN200520102637 | 2005-06-02 | ||
| CN 200610079533 CN1911654A (en) | 2005-06-02 | 2006-04-29 | Non-roller drum offset machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1911654A true CN1911654A (en) | 2007-02-14 |
Family
ID=37720785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610079533 Pending CN1911654A (en) | 2005-06-02 | 2006-04-29 | Non-roller drum offset machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1911654A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224657B (en) * | 2008-01-03 | 2010-06-23 | 徐勤华 | Wound roll offset machine with changeable printing format |
| CN103240975A (en) * | 2013-05-06 | 2013-08-14 | 中粮包装（天津）有限公司 | Six-color UV (ultraviolet) printing line |
| CN108973325A (en) * | 2018-07-24 | 2018-12-11 | 重庆安卡自动化工程有限公司 | Print roller control system for corrugated paper box printing machine tool |
-
2006
- 2006-04-29 CN CN 200610079533 patent/CN1911654A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224657B (en) * | 2008-01-03 | 2010-06-23 | 徐勤华 | Wound roll offset machine with changeable printing format |
| CN103240975A (en) * | 2013-05-06 | 2013-08-14 | 中粮包装（天津）有限公司 | Six-color UV (ultraviolet) printing line |
| CN108973325A (en) * | 2018-07-24 | 2018-12-11 | 重庆安卡自动化工程有限公司 | Print roller control system for corrugated paper box printing machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |