CN101337456B - Ink-amount control device of printer - Google Patents
Ink-amount control device of printer Download PDFInfo
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- CN101337456B CN101337456B CN2008100655332A CN200810065533A CN101337456B CN 101337456 B CN101337456 B CN 101337456B CN 2008100655332 A CN2008100655332 A CN 2008100655332A CN 200810065533 A CN200810065533 A CN 200810065533A CN 101337456 B CN101337456 B CN 101337456B
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Abstract
The invention discloses an ink use amount control device for a printer, which comprises an ink duct roller, and a plurality of ink cutters that are distributed along the ink duct roller in transverse direction for controlling the use amount of the ink on the ink duct roller. Each ink cutter is arranged on an ink cutter module, a mechanism for adjusting space between the cutter and the ink duct roller is arranged on each ink cutter module, and two wires are respectively led out from the ink duct roller and the ink cutter and connected with a sensing circuit which is used for sensing the space between the ink cutter and the ink duct roller. The inventive ink use amount control device adopts a contact type electronic zero position alignment circuit arranged between the ink cutter and the ink duct roller, so that the zero adjustment and control process has no need of manual eye observation, and the adjustment precision and speed are remarkably improved.
Description
Technical field
The present invention relates to a kind of industrial printing machine, in particular a kind of improvement of ink-amount control device of printing machine.
Background technology
In the prior art, ink-amount control device mainly is meant the print cartridge of printing machine and the fit structure between the ink foundation roller, is used on the industrial printing machine, is used for controlling between ink knife and the ink foundation roller with the China ink amount.What at present the ink-amount control device of various brands mainly adopted is artificial visually examine and manual adjustment method, and to determine dead-center position, the contact point of ink knife and ink foundation roller just is so that the gap of control system control adjustment ink knife and ink foundation roller.
In the process of using, need often carry out zero correction, with the precision of guaranteeing that the China ink amount is regulated, whether traditional odd change method is to observe between ink knife and the ink foundation roller according to the thickness of the ink coating on the ink foundation roller by the operator contacting.
But the control accuracy of this mode is lower, can't guarantee the precision of zero-bit accurately, moreover the efficient of regulating is very low, because ink knife quantity is more, it is long to adjust the time one by one; In addition, in the ink-amount control device of prior art, the phenomenon of ink leak and ink bleed be difficult to solve, though the brand that has attempt to address this problem by the mode that increases a film,, owing to need the periodic replacement film and increased operating cost.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of ink-amount control device of printer, by the contact-type electronic zero-bit centering circuit that is provided with, make things convenient for automatic zero point control between ink knife and ink foundation roller, the precision of its adjusting and speed all can improve greatly; In addition, surface-coated Teflon material can prevent ink leak and ink bleed between critical component.
Technical scheme of the present invention is as follows:
A kind of ink-amount control device of printer, it comprises an ink foundation roller, and along a plurality of ink knifes that are used to be controlled at ink usage on the described ink foundation roller of ink foundation roller cross direction profiles; Described each ink knife is arranged on the ink knife module, and described ink knife module is provided with the mechanism that adjusts clearance distance between ink knife and the described ink foundation roller, and wherein, described ink knife is slidingly connected on the described ink knife module; On described ink foundation roller and described ink knife, draw with lead respectively, be connected to the testing circuit in gap between a detection ink knife and the described ink foundation roller, be used for described ink knife and described ink foundation roller and contact to realize the judgement of electronics zero-bit centering.
Described ink-amount control device of printer, wherein, the mechanism of clearance distance comprises between described adjustment ink knife and the described ink foundation roller: the ink knife that is provided with on this ink knife module installs groove, and installs at this ink knife and to be provided with porosely in the groove, and a driving lever is arranged in this hole; This driving lever is provided with pivot, and an end of driving lever and described ink knife stage casing are concavo-convex adaptive, and the other end is set to drive end, and the control that is used for controlled circuit is stirred described ink knife and adjusted clearance distance between its cutter head and the described ink foundation roller.
Described ink-amount control device of printer, wherein, described driving lever drive end is set to a screwed hole, and a leading screw is connected with described screwed hole is adaptive, and the rotation that drives described leading screw by a drive motors is to drive described driving lever.
Described ink-amount control device of printer, wherein, also be provided with coupling clutch and push control rod between described drive motors and the described leading screw, disconnect of the driving of described drive motors when being used for being in dead-center position between described ink knife and the described sharpening roller described leading screw.
Described ink-amount control device of printer, wherein, described ink knife module is provided with a plurality of handwheels, described handwheel is corresponding one by one with described ink knife, be used to promote the translation and drive the swing of described driving lever under non-rotating state of described screw mandrel, to adjust the gap between described ink knife cutter head and the described ink foundation roller; On described handwheel, also be provided with the indicating dial of multi-turn graduation apparatus, be used to indicate the rotation degree of described handwheel.
Described ink-amount control device of printer wherein, also is provided with block piece and guiding gutter device above described leading screw, be used to prevent printing ink, the described leading screw of contaminated cleaning solution.
Described ink-amount control device of printer wherein, is being provided with the Teflon coating with the contacted described ink knife of described ink knife module surface; Other surface of described ink knife is provided with insulating materials.
Described ink-amount control device of printer wherein, also is provided with the collet that scribbles insulation, lubricant coating under described ink knife.
Described ink-amount control device of printer wherein, also is provided with a pinch rollers on corresponding each ink knife, is used for described ink knife is pressed on described collet.
Described ink-amount control device of printer, wherein, collet is an insulating materials.
A kind of ink-amount control device of printer provided by the present invention, owing to adopted the contact-type electronic zero-bit centering circuit that is provided with between ink knife and ink foundation roller, adjust control procedure its zero point does not need the artificial visually examine, and the precision of its adjusting and speed improve greatly; Simultaneously,, reduced the friction between the parts, and prevented between ink knife and the ink knife by key position being applied the mode of Teflon material, and ink leak between ink knife and the Mo Yuantai and ink bleed phenomenon.
Description of drawings
Fig. 1 is an ink-amount control device of printer side sectional view of the present invention;
Fig. 2 is the schematic perspective view of ink-amount control device of printer of the present invention;
Fig. 3 is the front view of ink-amount control device of printer of the present invention;
Fig. 4 is the ink knife schematic perspective view in the ink-amount control device of printer of the present invention;
Fig. 5 is the A portion partial enlarged drawing in the cutaway view shown in Figure 1.
The specific embodiment
Below preferred embodiment of the present invention is described in detail.
As shown in Figure 1, ink-amount control device of printer cross sectional representation of the present invention, it comprises an ink foundation roller 110, and along a plurality of ink knifes 120 of ink foundation roller cross direction profiles, as Fig. 2 and Fig. 3, shown in Figure 4ly can be provided with 16 or 32 according to actual needs, be controlled at ink usage on the described ink foundation roller by the gap between described ink knife 120 and the ink foundation roller 110; Each ink knife is arranged on the ink knife module 130, is provided with a matrix body 131 in this ink knife module, and this matrix body 131 is provided with ink knife and installs groove 132, is used to install the blade of described ink knife.
In this ink knife installs groove 132, be provided with perforation 133, one driving lever 134 be set by this perforation; These driving lever 134 shafts are provided with pivot, one end 341 of driving lever is concavo-convex adaptive with the stage casing of described ink knife 120, be used for stirring moving of ink knife, the other end is set to drive end 342, described ink knife 120 is stirred in the control that is used for controlled circuit, to adjust the clearance distance between its cutter head and the described ink foundation roller 110, as the mechanism of clearance distance between adjustment ink knife of the present invention and the described ink foundation roller.
In preferred embodiment of the present invention, the drive end 342 of described driving lever 134 is set to screwed hole, an and adaptive leading screw 135, be preferably, described screwed hole is set one independently on the nut 343, as shown in Figure 5, is fixed on the described driving lever 134, the rotation of controlling described leading screw by control circuit realizes the swing of described driving lever is controlled, thereby finally controls the gap between described ink knife 120 and the described ink foundation roller 110.
The mechanism of clearance distance also comprises a drive motors 210 between adjustment ink knife of the present invention and the described ink foundation roller, by a coupling clutch 220, Driven by Coaxial connects described leading screw 135, and this coupling clutch 220 can controlled realization drive motors 210 and the clutch adjustment of described leading screw 135.
The main improvement of the present invention is, is provided with respectively on described ink foundation roller 110 and described ink knife 120 and draws electrical pin 136,137, and connect a testing circuit 138, and whether be used for interpretation between it is the state of touching that is between the two electrically; Because described ink foundation roller and described ink knife blade are made with conductive metal material, and the position that touches that described ink knife and described ink foundation roller are set is conductive, by the judgement of testing circuit, can realize the judgement of contact-type electronic zero-bit centering to whether touching between it.For guaranteeing the electric conductivity accuracy of judgement between described ink knife and the described ink foundation roller, be provided with insulating materials on ink knife blade surface, insulation, lubricated collet are housed, so that all ink knife and remaining part insulation on the ink knife module below ink knife; The coupling components of whole ink-amount control device and printing machine all need be done insulation and handle, and also insulate to guarantee ink-amount control device and printing machine.
Control implementation procedure of the present invention is: described control circuit receives the signal of described testing circuit to whether touching between described ink knife and the described ink foundation roller, and adjust clearance distance between described ink knife cutter head and the described ink foundation roller by described driving lever, detect between described ink knife and the described ink foundation roller until described testing circuit and electrically to be changed to the state of touching, be in dead-center position between ink knife and the ink foundation roller this moment, and described testing circuit 138 can be controlled the driving to described leading screw 135 of described drive motors 210 and described coupling clutch 220 and push control rod disconnection.Control afterwards promptly enters the control of printing process, is identical with prior art, does not repeat them here.
Above-mentioned control of the present invention and deterministic process, utilize the electrical pin that increases to realize contact contraposition at zero point, because ink knife and ink foundation roller all are metal materials, has good electric conductivity, simultaneously ink knife except with surface that ink foundation roller contacts all contact-making surfaces all insulate, thereby just can form a simple electronic switch loop between ink knife and the ink foundation roller.When ink knife contacted with ink foundation roller, the position that the ink knife of this moment will be given tacit consent to by system was zero point.And all trimming processes all are automatically, do not need the operator to observe one by one, thereby have improved operating efficiency greatly, have good stability and precision simultaneously.
In ink-amount control device of printer of the present invention, on each ink knife, all be provided with corresponding pinch rollers 240, fixing by a set bolt 241 as shown in Figure 1, so that be pressed on the described ink knife.
One handwheel 250 also is set simultaneously, and described handwheel 250 is provided with the indicating dial of multi-turn graduation apparatus, in order to indicate the rotation degree of described handwheel 250; Adjustment by handwheel 250, can promote the translation under non-rotating state of described leading screw 135, thereby drive the drive end 342 swing certain angles of described driving lever 134, thus final by manually adjusting the gap between described ink knife 120 and the described ink foundation roller 110, improve the efficient of adjusting.
Below described driving lever 134, also be provided with block piece 260 and guiding gutter, be used to prevent China ink, the described leading screw 134 of contaminated cleaning solution, as shown in Figure 5.
In addition, in the described ink-amount control device of printer of the present invention, on each parts that touches on the blade of ink knife and with ink knife, apply the Teflon material, for example described ink knife installs in groove 132 and the described perforation 133, also is provided with the collet 230 that scribbles insulation and lubriation material below described ink knife 120, described collet 230 also can be set be insulating materials, as shown in Figure 1, so that all ink knife assemblies and printing machine insulation, and press close to collet at each ink knife, and independently detachable, replacing.
Owing to need relative slip between these parts, and the Teflon material has good self-lubricating property and wearability, thereby has alleviated frictional force, improved precision and service life.Ink knife 120 is referred to as ink fountain with the interval that ink foundation roller 110 is formed, ink fountain will as the space of placing printing ink thereby require ink knife and ink knife between good sealing effectiveness to be arranged to stop the printing ink seepage, and the face coat Teflon of ink knife has the characteristic of slight plastic deformation, thereby the gap between just having reduced greatly than rigidity contact, thereby better stoped the seepage of printing ink.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. ink-amount control device of printer, it comprises an ink foundation roller, and along a plurality of ink knifes that are used to be controlled at ink usage on the described ink foundation roller of ink foundation roller cross direction profiles; Described each ink knife is arranged on the ink knife module, and described ink knife module is provided with the mechanism that adjusts clearance distance between ink knife and the described ink foundation roller, it is characterized in that described ink knife and described ink knife module are slidingly connected; On described ink foundation roller and described ink knife, draw with lead respectively, be connected to the testing circuit in gap between a detection ink knife and the described ink foundation roller, be used for described ink knife and described ink foundation roller and contact to realize the judgement of electronics zero-bit centering.
2. ink-amount control device of printer according to claim 1, it is characterized in that, the mechanism of clearance distance comprises between described adjustment ink knife and the described ink foundation roller: the ink knife that is provided with on this ink knife module installs groove, and installs at this ink knife and to be provided with porosely in the groove, and a driving lever is arranged in this hole; This driving lever is provided with pivot, and an end of driving lever and described ink knife stage casing are concavo-convex adaptive, and the other end is set to drive end, and the control that is used for controlled circuit is stirred described ink knife and adjusted clearance distance between its cutter head and the described ink foundation roller.
3. ink-amount control device of printer according to claim 2, it is characterized in that, described driving lever drive end is set to a screwed hole, and a leading screw is connected with described screwed hole is adaptive, and the rotation that drives described leading screw by a drive motors is to drive described driving lever.
4. ink-amount control device of printer according to claim 3, it is characterized in that, also be provided with coupling clutch and push control rod between described drive motors and the described leading screw, disconnect of the driving of described drive motors when being used for being in dead-center position between described ink knife and the described sharpening roller described leading screw.
5. ink-amount control device of printer according to claim 3, it is characterized in that, described ink knife module is provided with a plurality of handwheels, described handwheel is corresponding one by one with described ink knife, be used to promote the translation and drive the swing of described driving lever under non-rotating state of described screw mandrel, to adjust the gap between described ink knife cutter head and the described ink foundation roller; On described handwheel, also be provided with the indicating dial of multi-turn graduation apparatus, be used to indicate the rotation degree of described handwheel.
6. ink-amount control device of printer according to claim 3 is characterized in that, also is provided with block piece and guiding gutter device above described leading screw, is used to prevent printing ink, the described leading screw of contaminated cleaning solution.
7. according to arbitrary described ink-amount control device of printer in the claim 1 to 6, it is characterized in that, be provided with the Teflon coating with the contacted described ink knife of described ink knife module surface; Other surface of described ink knife is provided with insulating materials.
8. ink-amount control device of printer according to claim 7 is characterized in that, also is provided with the collet that scribbles insulation, lubricant coating under described ink knife.
9. ink-amount control device of printer according to claim 8 is characterized in that, also is provided with a pinch rollers on corresponding each ink knife, is used for described ink knife is pressed on described collet.
10. ink-amount control device of printer according to claim 8 is characterized in that, described collet is an insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100655332A CN101337456B (en) | 2008-03-03 | 2008-03-03 | Ink-amount control device of printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100655332A CN101337456B (en) | 2008-03-03 | 2008-03-03 | Ink-amount control device of printer |
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| Publication Number | Publication Date |
|---|---|
| CN101337456A CN101337456A (en) | 2009-01-07 |
| CN101337456B true CN101337456B (en) | 2010-09-08 |
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| CN2008100655332A Active CN101337456B (en) | 2008-03-03 | 2008-03-03 | Ink-amount control device of printer |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010051031A1 (en) * | 2009-12-11 | 2011-06-16 | Heidelberger Druckmaschinen Ag | Inking system for printing machine, comprises ductor-roller, lifting roller, which contacts in certain rhythm with ductor-roller, and ink duct with set of dosing elements |
| CN101787991B (en) * | 2010-02-10 | 2013-01-09 | 田陆 | Gap compensation method for servo control system |
| DE102015101497A1 (en) * | 2014-08-09 | 2016-02-11 | manroland sheetfed GmbH | Highly dynamic color density control |
| CN109143837A (en) * | 2017-06-28 | 2019-01-04 | 聂菲菲 | Automatic press magnetic ink detects controller |
| CN112373186B (en) * | 2020-11-12 | 2022-05-03 | 绍兴福天机械有限公司 | Liquid supply mechanism and roller printing device for packaging decoration |
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Address after: 518051 Dazu laser building, 9 new West Road, North Nanshan District high tech park, Shenzhen, Guangdong Patentee after: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Address before: 518054 Dazu Laser Building, North Ring Avenue, Nanshan High-tech Industrial Park, Shenzhen, Guangdong Province Patentee before: Dazu Laser Sci. & Tech. Co., Ltd., Shenzhen |
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