CN103268062B - Handle box and laser planeplate printer - Google Patents

Handle box and laser planeplate printer Download PDF

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Publication number
CN103268062B
CN103268062B CN201310189856.3A CN201310189856A CN103268062B CN 103268062 B CN103268062 B CN 103268062B CN 201310189856 A CN201310189856 A CN 201310189856A CN 103268062 B CN103268062 B CN 103268062B
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China
Prior art keywords
charging
media
carbon dust
photosensitive drums
handle box
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CN201310189856.3A
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Chinese (zh)
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CN103268062A (en
Inventor
苏健强
何永刚
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Print Rite Unicorn Image Products Co Ltd
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Print Rite Unicorn Image Products Co Ltd
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Priority to CN201310189856.3A priority Critical patent/CN103268062B/en
Publication of CN103268062A publication Critical patent/CN103268062A/en
Priority to PCT/CN2014/076491 priority patent/WO2014187228A1/en
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Publication of CN103268062B publication Critical patent/CN103268062B/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/14Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1605Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)

Abstract

Handle box and laser planeplate printer, handle box comprises box body, the powder storehouse holding carbon dust is formed in box body, and photosensitive drums is installed, also be provided with transfer roll, transfer roll and photosensitive drum shaft line parallel ground are arranged, from transverse section, it is charging zone that transfer roll accepts carbon dust to peripheral surface carbon dust being transferred to print media place from photosensitive drums, and the peripheral surface of getting back to photosensitive drums place from print media place is territory, non-Electric region, charging zone with the opposite polarity electric charge of carbon dust in described photosensitive drums, be provided with charging device, for charging to charging zone.Laser planeplate printer comprises housing and one group of media drive roller, and also have above-mentioned handle box, handle box is positioned at the top of one group of media drive roller, defines media-conveying passages between handle box and one group of media drive roller.Dielectric support, can be driven by one group of media drive roller, advance in media-conveying passages.Have without the need to the advantage of print media at coated conductive coating in early stage.

Description

Handle box and laser planeplate printer
Technical field
The present invention relates to a kind of handle box being exclusively used in laser planeplate printer that tabular medium is printed and this laser planeplate printer and using.
Background technology
Laser printer typically refers to and utilizes electrofax principle carbon dust to be printed on equipment on this medium of paper, the primary structure of laser printer can be illustrated by Fig. 4, medium handling system is provided with in body, it makes printer paper be transported to imaging area from carton, the a set of mechanism be sent after imaging, the key component of imaging area is handle box 100, handle box 100 is arranged in laser printer in the dismountable mode of relative laser printer, only coordinates the part of carrying out image forming job relevant to be illustrated to handle box 100 and to handle box 100 below.Transfer roll 200, fixing roller 300 and pressure roll 400 is provided with in medium handling system.And handle box 100 is formed with a powder storehouse 101 in its box body, powder storehouse 101 stores the carbon dust of imaging, the parts such as developer roll 102, photosensitive drums 103 are also installed in box body, when by Fig. 4, photosensitive drums 103 Stimulated Light printer driver shows that the direction of arrow is rotated, at the carbon dust that the electrostatic latent image region that photosensitive drums 103 peripheral surface is formed will accept developer roll and passes on, and under the effect of transfer roll 200, the image formed by carbon dust is transferred on paper 500, then through the effect of fixing roller 300 and pressure roll 400, image is formed on paper 500 securely.
The print media of conventional laser printer is paper, its medium handling system has flexible feature by paper to carry out designing, and recently create at glass, metal, the plate-like piece that pottery and plastics etc. have a rigidity carries out print pattern, the demand of word, this makes laser planeplate printer arise at the historic moment, namely publication No. includes laser planeplate printer for laser imaging apparatus disclosed in the Chinese invention patent application of CN102608888A, as its first embodiment, see Fig. 5 of the application, the laser planeplate printer of Fig. 5 signal does not improve traditional handle box, just the feature of medium handling system for rigid plate-like part is improved, there is following defect in such laser planeplate printer, first, need to carry out printing process in early stage to the print surface of print media 800, namely conductive coating to be formed in print surface, also transfer printing electrode 600 to be set in laser planeplate printer, 700, cause the complex structure of laser planeplate printer, and image quality is unsatisfactory.Another kind of laser planeplate printer is also disclosed in CN102608888A, as its second embodiment, see Fig. 6 of the application, in the laser planeplate printer 1 of Fig. 6 signal, the structure of handle box 100 does not add change yet, just laser planeplate printer 1 inside is improved, its design be photosensitive drums 103 first by image forming on printer paper 801, then to be transferred on the print media 800 of tabular by printer paper 801.And this laser planeplate printer also requires to form conductive coating in the print surface of print media, same exist the problem will carrying out process in early stage to the print media of tabular.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of handle box improved;
Another object of the present invention is to provide a kind of laser planeplate printer improved.
For realizing above-mentioned fundamental purpose, handle box provided by the invention comprises box body, is formed with the powder storehouse holding carbon dust, and is provided with photosensitive drums in box body.Handle box is also provided with transfer roll, transfer roll and photosensitive drum shaft line parallel ground are arranged, from transverse section, it is charging zone that transfer roll accepts carbon dust to peripheral surface carbon dust being transferred to print media place from photosensitive drums, and the peripheral surface of getting back to photosensitive drums place from print media place is territory, non-Electric region, charging zone with the opposite polarity electric charge of carbon dust in described photosensitive drums.Handle box is also provided with charging device, for charging to charging zone.
From above scheme, the charging zone of transfer roll is with electric charge opposite polarity with carbon dust in photosensitive drums, then the carbon dust in photosensitive drums can be sent to transfer roll and be adsorbed on, when carbon dust forwards to print media adjacent place, owing to having entered into territory, non-Electric region, carbon dust loses absorption affinity, has namely been transferred on print media.Thus the process in early stage without the need to carrying out conductive coating to print media.
A concrete scheme is that transfer roll comprises axle core and pivoted housing, and axle core is fixed on box body, and pivoted housing can rotate relative to axle core.Charging device comprises and is arranged on axle core, just to the charging screen of charging zone and the charging wire being positioned at charging screen charging zone side dorsad.
Scheme is that charging device also comprises and is arranged on axle core more specifically, just to the electric discharge screen in territory, non-Electric region and the discharge wire being positioned at electric discharge screen side, territory, non-Electric region dorsad.
Another concrete scheme is that charging device comprises and is fixed on box body, just to the charging screen of charging zone and the charging wire being positioned at charging screen charging zone side dorsad.
Scheme is that charging device also comprises and is fixed on box body more specifically, just to the electric discharge screen in territory, non-Electric region and the discharge wire being positioned at electric discharge screen side, territory, non-Electric region dorsad.
In such scheme, one deck fluororesin can also be scribbled in the peripheral surface of transfer roll.And the clearer contacted with territory, non-Electric region is also installed on box body.
For realizing another object of the present invention, laser planeplate printer provided by the invention comprises housing and one group of media drive roller, one of them certain media driven roller is arranged in housing, and axis is positioned at same plane, also has handle box, handle box comprises box body, is formed with the powder storehouse holding carbon dust, and is provided with photosensitive drums in box body.Handle box is removably mounted in housing, and is positioned at the top of one group of media drive roller, and the gap between handle box and one group of media drive roller on vertical defines media-conveying passages.Dielectric support, can be driven by one group of media drive roller, advance in media-conveying passages.Also comprise transfer roll, be arranged on box body transfer roll and photosensitive drum shaft line parallel, from transverse section, it is charging zone that transfer roll accepts carbon dust to peripheral surface carbon dust being transferred to print media place from photosensitive drums, and the peripheral surface of getting back to photosensitive drums place from print media place is territory, non-Electric region, charging zone is with electric charge opposite polarity with carbon dust in photosensitive drums.Charging device, for charging to charging zone.
Concrete scheme is that laser planeplate printer also comprises and is fixed in housing, is positioned at the heating member of the top of media-conveying passages upstream; What be positioned at the top in media-conveying passages downstream determines print roller.The upper surface of dielectric support is provided with zone of heating.
Scheme is that transfer roll comprises axle core and pivoted housing more specifically, and axle core is fixed on box body, and pivoted housing can rotate relative to axle core.Charging device comprises and is arranged on axle core, just to the charging screen of charging zone and the charging wire being positioned at charging screen described charging zone side dorsad.Be arranged on axle core, just to the electric discharge screen in territory, non-Electric region and the discharge wire being positioned at described electric discharge screen side, territory, non-Electric region dorsad.
Another more specifically scheme be that charging device comprises and is fixed on box body, just to the charging screen of charging zone and the charging wire being positioned at charging screen charging zone side dorsad.Be fixed on box body, just to the electric discharge screen in territory, non-Electric region and the discharge wire being positioned at electric discharge screen side, territory, non-Electric region dorsad.
Accompanying drawing explanation
Fig. 1 is the structural representation of laser planeplate printer embodiment of the present invention, contains the structural representation of handle box first embodiment of the present invention in figure;
Fig. 2 is the A partial enlarged drawing in Fig. 1;
Fig. 3 is the partial enlarged drawing of handle box second embodiment of the present invention;
Fig. 4 is the structural representation of conventional laser printer;
Fig. 5 is the structural representation of existing laser planeplate printer;
Fig. 6 is the structural representation of existing another kind of laser planeplate printer.
Below in conjunction with each embodiment and accompanying drawing thereof, the invention will be further described.
Embodiment
The embodiment of handle box of the present invention can be drawn by the explanation of laser planeplate printer embodiment completely, therefore, is only described in detail the embodiment of two laser planeplate printers below.
Laser planeplate printer embodiment
See Fig. 1, for describe the problem simple and direct clear for the purpose of, illustrate only the closely-related part with the present invention in Fig. 1, and structure same as the prior art omitted.Three media drive rollers 1 are bearing in the housing of laser planeplate printer, also have other media drive rollers that axis being parallel is arranged in same plane, and they can arrange outside the medium inlet extending housing and media outlet.Dielectric support 2 is for carrying print media 3, and the upper surface of dielectric support 2 is provided with zone of heating 4, and zone of heating 4 can adopt any existing electricity to make to hot material.After handle box 100 installation in position, minimum point in its transfer roll 105 circumference is by the height that is positioned at a little less than the upper surface of print media 3, like this, when advancing to downstream (right-hand member) in the upstream (left end) that the dielectric support 2 that carry print media 3 shows from Fig. 1, transfer roll 105 will be pressed in the print surface of print media, obviously, such requirement can be realized simply by the adjustment of dielectric support size in the short transverse of media-conveying passages.
In the housing of laser planeplate printer, be also provided with heating member 5, heating member 5 is fixed on the upstream of relative medium bracket 2 direct of travel in housing, and is in the top of media-conveying passages, for preheating before printing print media 3 print surface.
Also fixing roller 6 is provided with in the housing of laser planeplate printer, fixing roller 6 is rotatably fixed on the downstream of relative medium bracket 2 direct of travel in housing, and be in the top of media-conveying passages, for fixing more reliably after improving print media 3 imaging.
For the handle box structure of the present embodiment, will be illustrated in handle box first embodiment part and handle box second embodiment part.
Handle box first embodiment
See Fig. 1 and Fig. 2, a powder storehouse 101 is formed in the box body 104 of this routine handle box 100, the exit in powder storehouse is provided with a developer roll 102, a photosensitive drums 103 is also installed in box body 104, in addition, the same with existing handle box, handle box 100 is also provided with puddle support in powder storehouse 101, also be provided with charging roller, cleaning doctor at the periphery of photosensitive drums, at developer roll 102, place is also provided with powder outlet cutter, and these are all same as the prior art.Unlike, box body 104 is also provided with transfer roll 105 and clearer 106, and transfer roll 105 is arranged in the mode of the axis being parallel of its axis and photosensitive drums 103, and the peripheral surface coated of transfer roll 105 has one deck fluororesin.Transfer roll 105 comprises relative to the fixing axle core 151 of box body 104 and the pivoted housing 152 rotated relative to axle core 151, charging screen and electric discharge screen is provided with in axle core 151, in this example, charging screen and electric discharge screen constitute the axle core 151 of tubular, and pivoted housing 152 is divided into from photosensitive drums 103 and accepts carbon dust to peripheral surface carbon dust being transferred to print media 3 place, the i.e. charging zone 1051 that shows of Fig. 2, with the peripheral surface of getting back to photosensitive drums 103 place from print media 3, i.e. territory, non-Electric region 1052, in addition, in axle core 151, charging wire 1511 and discharge wire 1512 is also provided with.Clearer 106 is arranged on side, territory, non-Electric region 1052.All tumblers in handle box 100, i.e. each roller and puddle support etc., all like the prior art, carry out work by the gear train being arranged on box body 104 sidewall and each roller axial end portion.Territory, the present invention said non-Electric region, refers to that discharge wire 1512 fills the opposite polarity electric charge with charging zone by electric discharge screen to territory, non-Electric region, reaches and make transfer roll workplace be electroneutral technique effect in territory, non-Electric region.
Below in conjunction with Fig. 1 and Fig. 2, the principle of work of laser planeplate printer embodiment of the present invention and handle box first embodiment is described.When the dielectric support 2 carrying print media 3 is put into from the entrance of laser flat-panel printer, zone of heating 4 electricly must carry out preheating to print media, heating member 5 also starts heat release, then, media drive roller 1 rotates, dielectric support 2 shows by Fig. 1 and runs from left to right, when the front end 31 of print media 3 runs to heating member 5 times, heating member 5 pairs of print media 3 upper surfaces carry out Fast Heating, when front end 31 run to contact with transfer roll 105 soon time, handle box 100 is started working, charging wire 1511 fills the electric charge contrary with carbon dust in photosensitive drums 103 by charging screen to charging zone 1051, making the carbon dust in photosensitive drums 103 be transferred roller 105 is adsorbed onto on charging zone, when the carbon dust on transfer roll 103 is when with print media 3 contact position, arrive the separatrix in charging zone and territory, non-Electric region, owing to entering territory, non-Electric region, carbon dust is without absorption affinity, when front end 31 and transfer roll 105 extrude contact time, carbon dust is fixed on print media 3, and image is formed on print media 3, fixing further by fixing roller 6 again, make image more firm on print media 3.
Handle box second embodiment
The structure of handle box second embodiment of the present invention is identical with the handle box first embodiment overwhelming majority, below only to difference part: the structure of transfer roll and charging device is illustrated.
See Fig. 3, in this example, transfer roll 105 is made up of axle core and the axle sleeve be fixed on outside axle core, relatively fixing between the two, and be rotatably mounted on box body 104 by axle core.In this example, charging device is by charging wire 1511 and charging screen 1513, discharge wire 1512 and electric discharge screen 1514 are formed, they are all fixed on box body 104, transfer roll 105 rotates at work, go to be positioned at and accept carbon dust place in photosensitive drums 103 to being charging zone 1051 by carbon dust to the region of print media 3 release place, and to be positioned at release place to the region getting back to photosensitive drums 103 place be territory, non-Electric region 1052.The advantage of relative handle box first embodiment of this example is owing to being arranged on outside transfer roll 105 by charging device, thus makes the structure of transfer roll 105 relatively simple, and the electrical connection of charging device is also relatively simple.

Claims (3)

1. handle box, comprises
Box body, is formed with the powder storehouse holding carbon dust, and is provided with photosensitive drums in described box body;
It is characterized in that:
Transfer roll, with described photosensitive drum shaft line parallel be arranged on described box body, from transverse section, it is charging zone that described transfer roll accepts carbon dust to peripheral surface carbon dust being transferred to print media place from described photosensitive drums, and the peripheral surface of getting back to described photosensitive drums place from print media place is territory, non-Electric region, described charging zone with the opposite polarity electric charge of carbon dust in described photosensitive drums;
Charging device, for charging to described charging zone;
Described transfer roll comprises axle core and pivoted housing, and described axle core is fixed on described box body, and described pivoted housing can rotate relative to described axle core;
Described charging device comprises and is arranged on described axle core, just to the charging screen of described charging zone and the charging wire being positioned at described charging screen described charging zone side dorsad;
Described charging device also comprises and is arranged on described axle core, just to the electric discharge screen in territory, described non-Electric region and the discharge wire being positioned at described electric discharge screen side, territory, described non-Electric region dorsad;
Described charging screen and described electric discharge screen constitute the described axle core of tubular.
2. handle box according to claim 1, is characterized in that:
The peripheral surface of described transfer roll scribbles one deck fluororesin;
Described box body is also provided with the clearer contacted with territory, described non-Electric region.
3. laser planeplate printer, comprises
Housing;
One group of media drive roller, one of them part is arranged in described housing, and axis is positioned at same plane;
Handle box, comprises box body, is formed with the powder storehouse holding carbon dust, and is provided with photosensitive drums in described box body;
Described handle box is removably mounted in described housing, and is positioned at the top of described one group of media drive roller, and the gap between described handle box and described one group of media drive roller on vertical defines media-conveying passages;
Dielectric support, can be driven by described one group of media drive roller, advance in described media-conveying passages;
It is characterized in that:
Transfer roll, with described photosensitive drum shaft line parallel be arranged on described box body, from transverse section, it is charging zone that described transfer roll accepts carbon dust to peripheral surface carbon dust being transferred to print media place from described photosensitive drums, and the peripheral surface of getting back to described photosensitive drums place from print media place is territory, non-Electric region, described charging zone with the opposite polarity electric charge of carbon dust in described photosensitive drums;
Charging device, for charging to described charging zone;
Also comprise and being fixed in described housing, be positioned at the heating member of the top of described media-conveying passages upstream; What be positioned at the top in described media-conveying passages downstream determines print roller;
The upper surface of described dielectric support is provided with zone of heating;
Described transfer roll comprises axle core and pivoted housing, and described axle core is fixed on described box body, and described pivoted housing can rotate relative to described axle core;
Described charging device comprises and is arranged on described axle core, just to the charging screen of described charging zone and the charging wire being positioned at described charging screen described charging zone side dorsad;
Be arranged on described axle core, just to the electric discharge screen in territory, described non-Electric region and the discharge wire being positioned at described electric discharge screen side, territory, described non-Electric region dorsad;
Described charging screen and described electric discharge screen constitute the described axle core of tubular.
CN201310189856.3A 2013-05-21 2013-05-21 Handle box and laser planeplate printer Active CN103268062B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201310189856.3A CN103268062B (en) 2013-05-21 2013-05-21 Handle box and laser planeplate printer
PCT/CN2014/076491 WO2014187228A1 (en) 2013-05-21 2014-04-29 Processing box and laser flatbed printer

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Application Number Priority Date Filing Date Title
CN201310189856.3A CN103268062B (en) 2013-05-21 2013-05-21 Handle box and laser planeplate printer

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CN103268062B true CN103268062B (en) 2015-10-28

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CN104308972A (en) * 2014-10-16 2015-01-28 佛山市博晖机电有限公司 Powder discharge device for laser printing distributing
JP2020204721A (en) * 2019-06-18 2020-12-24 ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. Image forming system using electric bias

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WO2014187228A1 (en) 2014-11-27

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