CN101750863A - Method and device for enlarging print double surfaces - Google Patents

Method and device for enlarging print double surfaces Download PDF

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Publication number
CN101750863A
CN101750863A CN200810207354A CN200810207354A CN101750863A CN 101750863 A CN101750863 A CN 101750863A CN 200810207354 A CN200810207354 A CN 200810207354A CN 200810207354 A CN200810207354 A CN 200810207354A CN 101750863 A CN101750863 A CN 101750863A
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China
Prior art keywords
printing paper
pinch roll
turn
exposure
exposure desk
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Granted
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CN200810207354A
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Chinese (zh)
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CN101750863B (en
Inventor
侯锋
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Shanghai Pulisheng 3d Technology Co ltd
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Individual
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Priority to CN 200810207354 priority Critical patent/CN101750863B/en
Priority to PCT/CN2009/075691 priority patent/WO2010069265A1/en
Publication of CN101750863A publication Critical patent/CN101750863A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00Photographic printing apparatus
    • G03B27/32Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52Details
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00Photographic printing apparatus
    • G03B27/32Projection printing apparatus, e.g. enlarger, copying camera

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Registering Or Overturning Sheets (AREA)

Abstract

The invention relates to a method and a device for enlarging print double surfaces, comprising the following steps of: firstly, enabling printing paper into a lighthouse and facing an exposer by the first surface for the first exposure; then, transmitting the printing paper from the exposer to a turn-over mechanism; overturning the turn-over mechanism to enable the second surface of the printing paper to face the exposer when the front end of the printing paper is detected to reach the turn-over mechanism; and transmitting the printing paper from the turn-over mechanism to the lighthouse for the second exposure.

Description

The double-sided enlarging print method and apparatus
Technical field
The present invention relates to the film processor that a kind of photo of enlarging and print is used, but relate in particular to a kind of printing method for magnifying and enlarging print device thereof of double-sided exposure.
Background technology
The printing paper that the photo of enlarging and print is traditionally used is can only be at the single face sensitization printing paper of one side exposure, is placed in picture frame or the picture album single face behind exposure image of printing paper and views and admires, and has influenced the usable range of printing paper.But recently proposed double-sided light sensitive printing paper, for example the patent of invention of Chinese patent notification number CN2807300 can all form image at the pros and cons of printing paper, thereby can promote the service efficiency of printing paper greatly, reduces cost.
The printing paper of double-sided light sensitive need carry out double-sided exposure, thereby the enlarging print device of traditional suitable single face sensitization printing paper is no longer suitable.Chinese patent CN2807300 also proposes a kind of laser film processor of double-sided exposure, it is provided with 2 laser explosure devices that symmetry is installed, in the time of between double-sided light sensitive printing paper is through 2 laser explosure devices, exposed in the two sides of printing paper respectively by each laser explosure device.Yet the setting of 2 laser explosure devices has increased equipment cost undoubtedly.In addition,, original single face photographic process equipment will be not used, will cause significant wastage for double-sided enlarging print is equipped with film processor again.
Summary of the invention
Technical matters to be solved by this invention provides a kind of double-sided enlarging print method and apparatus, 1 exposer of its needs, and can make full use of original single face photographic process equipment.
The present invention solves the problems of the technologies described above a kind of double-sided enlarging print method of the technical scheme that adopts, and it may further comprise the steps.At first, make printing paper enter an exposure desk and with first surface towards exposer, carry out first time exposure; Then, described printing paper is sent to a turn-over mechanism by described exposure desk; When the front end that detects described printing paper arrives described turn-over mechanism, overturn described turn-over mechanism and the second surface that makes described printing paper towards described exposer; Afterwards, described printing paper is sent to described exposure desk by described turn-over mechanism, carries out the exposure second time.
In one embodiment of this invention, above-mentioned turn-over mechanism is to turn over turnback clockwise or counterclockwise, so that the second surface of above-mentioned printing paper is towards above-mentioned exposer.
In one embodiment of this invention, carry out also comprising after the second time exposure described printing paper is sent through described turn-over mechanism by described exposure desk.
In one embodiment of this invention, above-mentioned printing paper is comprised by the step that above-mentioned exposure desk is sent to a turn-over mechanism: described printing paper is swelled between described exposure desk and described turn-over mechanism.
On the other hand, the invention provides a kind of double-sided enlarging print device, comprise printing paper input mechanism, exposure desk, printing paper conveying mechanism, exposer and turn-over mechanism.The printing paper input mechanism is in order to input exposure printing paper.Exposure desk is used printing paper in order to hold to expose after being located at the printing paper input mechanism.Printing paper conveying mechanism has the travelling belt of pile warp exposure desk, enters and withdraw from exposure desk in order to transmit printing paper.The exposer projecting beam is with the first surface exposure to the printing paper on the exposure desk.Turn-over mechanism comprises a pair of upset pinch roll, detecting device and turn-over driving mechanism.Wherein a pair of upset pinch roll is located at after the exposure desk, in order to pinch that printing paper enters or away from exposure desk.Whether detecting device arrives the upset pinch roll in order to the front end that detects printing paper.The turn-over driving mechanism connects the upset pinch roll, in order to after detecting the printing paper front end at this detecting device and arriving the upset pinch roll, drives this to the rotation of upset pinch roll, make this to the second surface of the upset printing paper that pinch roll pinched towards exposer.
In one embodiment of this invention, above-mentioned driving mechanism comprises a drive motor, one first gear and one second gear, this first gear is located on the output shaft of this drive motor, this second gear is by this first gear drive, and wherein said a pair of pinch roll is located on the axle sleeve by this second gear driven.
In one embodiment of this invention, above-mentioned upset pinch roll has the independent driving mechanism that pinches.
In one embodiment of this invention, above-mentioned printing paper conveying mechanism also comprises: be located at second pinch roll of described exposure desk in abutting connection with a side of described printing paper input mechanism, import described exposure desk in order to the printing paper that described printing paper input mechanism is transmitted; And be located at three pinch roll of described exposure desk in abutting connection with a side of described turn-over mechanism, in order to described printing paper is imported described upset pinch roll from described exposure desk.
In one embodiment of this invention, above-mentioned double-sided enlarging print device also comprises a gear train, in order to the transmission of power of described the 3rd pinch roll to described upset pinch roll.
In one embodiment of this invention, above-mentioned double-sided enlarging print device also comprises an adsorbing mechanism, is located at described exposure desk below so that described printing paper is close to described travelling belt.
In above-mentioned double-sided enlarging print device, also comprise an adsorbing mechanism, be located at the exposure desk below so that printing paper is close to travelling belt.Wherein, described adsorbing mechanism is a centrifugal blower.
The present invention makes it compared with prior art owing to adopt above technical scheme, has following remarkable advantage:
1, double-sided enlarging print device of the present invention only needs an exposer, and can realize double-sided enlarging print by turn-over mechanism suitably is set;
2, double-sided enlarging print device of the present invention can additionally be provided with turn-over mechanism and forms on original single face enlarging print device, thereby can make full use of original single face photographic process equipment and need not reconfigure equipment;
3, turn-over process of the present invention only needs to overturn after the printing paper front end arrives, so the turn-over process is simple, convenient and rapid.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is the structural representation of the double-sided enlarging print device of one embodiment of the invention.
Fig. 2 A and Fig. 2 B illustrate the switching mechanism stereographic map of different angles according to an embodiment of the invention.
Fig. 3 A-3H with A among Fig. 2 A to the upset flow process of watching.
Fig. 4 A-4H with B among Fig. 2 A to the upset flow process of watching.
Fig. 5 illustrates the structural representation of the double-sided enlarging print device of another embodiment of the present invention.
Fig. 6 A and Fig. 6 B illustrate the switching mechanism stereographic map of different angles according to another embodiment of the present invention.
Fig. 7 A-7E with A among Fig. 6 A to the upset flow process of watching.
Fig. 8 A-8E with B among Fig. 6 A to the upset flow process of watching.
Fig. 9 illustrates double-sided enlarging print method according to an embodiment of the invention.
Embodiment
With reference to shown in Figure 1, it illustrates a kind of double-sided enlarging print device of one embodiment of the invention.This double-sided enlarging print device 100 is in order to exposure double-sided light sensitive printing paper, and the exposure of the two sides of printing paper is that branch is finished for 2 times.Specifically describe the structure of this device below.
Double-sided enlarging print device 100 comprises body 101, and body is provided with printing paper input mechanism 110, exposure desk 120, exposer 130, printing paper conveying mechanism 140 and turn-over mechanism 150.
Printing paper input mechanism 110 is used for importing and exposes with printing paper (figure does not show), and it comprises first pinch roll 111 and paper cutter 112, and wherein paper cutter 112 is positioned at after first pinch roll 111, so that the printing paper of input is cut according to required size.First pinch roll 111 is driven by motor 113.Paper cutter 112 is driven by motor 114.
After the printing paper input mechanism 110 is exposure desk 120, and exposure relies on printing paper conveying mechanism 140 to enter exposure desk 120 with printing paper.Printing paper conveying mechanism 140 comprises travelling belt 141 and second pinch roll 142 and the 3rd pinch roll 143.Wherein second pinch roll 142 is located between exposure desk 120 1 sides (being the left side among the figure) and the printing paper input mechanism 110, the 3rd pinch roll 143 is located between exposure desk 120 opposite sides (being the right side among the figure) and the turn-over mechanism 150, and travelling belt 141 is pile warp second pinch roll 142, exposure desk 120 and the 3rd pinch roll 143 successively.The 3rd pinch roll 143 is for example driven by motor 144, and second pinch roll 142 is driven vollers.The direction of transfer of these travelling belts and pinch roll both can be (from left to right) of forward, also can be reverse (from right to left).
For the printing paper of being imported from printing paper input mechanism 110, second pinch roll 142 can be guided into it travelling belt 141 and be sent to exposure desk 120, so that expose.Preferably, adsorbing mechanism 170 is set below exposure desk 120 also,, thereby avoids influencing the exposure image effect because of the printing paper fold so that printing paper tightly is adsorbed on the travelling belt 141.Adsorbing mechanism 170 for example is a centrifugal blower.
Exposure desk 120 is used for holding printing paper, so that expose.The exposer 130 meeting projecting beams of exposure desk 120 tops, to the one side towards exposer (side to light) of the printing paper on the exposure desk 120, promptly first surface exposes, to form required image latent image on the printing paper surface.Printing paper after the exposure can be by sending exposure desk 120 after 143 guidings of the 3rd pinch roll.
After the superincumbent exposure first time, printing paper need expose to another side behind turn-over mechanism 150 turn-overs.Specifically, shown in Fig. 2 A, 2B, turn-over mechanism 150 comprises a pair of upset pinch roll 151, a detecting device 152 (Fig. 3 A) and turn-over driving mechanism 153, and these parts all are arranged on the body 101.Wherein a pair of upset pinch roll 151 is located at after 120 exposure desks and contiguous the 3rd pinch roll 143.Detecting device 152 is located at the outgoing side of upset pinch roll 151, in order to detect being reversed the front end that pinch roll 151 pinches and whether arriving this place of printing paper.The distance of the 3rd pinch roll 143 and upset pinch roll 151 can suitably be set, make when the front end of printing paper arrives this place, not being reversed the rear end that pinch roll 151 pinches becomes free end, is no longer clamped by the 3rd pinch roll.In a preferred embodiment, in order to dwindle the distance between the 3rd pinch roll 143 and the upset pinch roll 151, can be when transmitting printing paper, make printing paper protuberance between the 3rd pinch roll 143 and upset pinch roll 151, this can reach less than the transfer rate of the 3rd pinch roll 143 by the transfer rate that makes upset pinch roll 151.
Shown in Fig. 2 A, turn-over driving mechanism 153 comprises drive motor 153a, the first gear 153b, transition gear 153c and the second gear 153d.The first gear 153b is a pinion wheel, is located on the output shaft of drive motor 153a, and the second gear 153d is a gear wheel, is driven through transition gear 153c by the first gear 153b, and wherein a pair of upset pinch roll 151 is arranged on the axle sleeve 1510.The gear ratio of the first gear 153b and the second gear 153d can be 1: 2, and when first gear rotated a circle, the second gear 153d rotated half-turn (i.e. 180 degree), drives axle sleeve 1510 and upset pinch roll 151 Rotate 180 degree.
In addition, in the present embodiment, upset pinch roll 151 also is provided with the independent driving mechanism 154 that pinches, and it comprises drive motor 154a, the 3rd gear 154b, two transition gear 154c, 154d and the 4th gear 154e.The output shaft of drive motor 154a after the 3rd gear 154b, two transition gear 154c, 154d and the 4th gear 154e transmission, drives a wherein upset pinch roll rotation, thereby pinches printing paper successively.
Below with reference to Fig. 3 A-3H, and Fig. 4 A-4H describes the flow process of the turn-over mechanism of present embodiment, and wherein to the upset flow process of watching, mechanism shown in it is the upset driving mechanism to Fig. 3 A-3H with A among Fig. 2 A.To the upset flow process of watching, mechanism shown in it is for pinching driving mechanism with B among Fig. 2 A for Fig. 4 A-4H.And the figure of same sequence number represents the turn-over mechanism state of synchronization among Fig. 3 A-3H and the 4A-4H.At first shown in Fig. 3 A, 4A, the printing paper 201 that the 3rd pinch roll 143 is finished first surface (as up A face among the figure) exposure is sent exposure desk 120, enters upset pinch roll 151, and upset pinch roll 151 continues to drive printing paper 201 away from exposure desk 120.After mode that detecting device 152 is described with preamble detected printing paper 201 front ends and arrives turn-over mechanism, shown in Fig. 3 B-3C, 4B-4C, the drive motor 154a that pinches driving mechanism can stop to drive a wherein upset pinch roll 151 rotations, thereby stops to pinch.And the drive motor 153a of turn-over driving mechanism can drive a pair of upset pinch roll 151 Rotate 180 degree, arrives the position shown in Fig. 3 C.The direction of rotation both can be clockwise, also can be counterclockwise.At this moment, in the position that pinches of upset pinch roll, up be second surface (being the B face).And then, pinch driving mechanism 154 and restart, drive upset pinch roll 151 and import printing paper 201 to the exposure desk direction, it imports flow process shown in Fig. 3 D-3F, Fig. 4 D-4F.After printing paper 201 reenters exposure desk 120, its second surface that is not exposed (B face) will become side to light and obtain exposure.Meanwhile, upset pinch roll 151 Rotate 180 degree can be returned to the origin-location, shown in Fig. 3 E, 3F.At last, export to upset pinch roll 151 via the 3rd pinch roll 143 again, shown in Fig. 3 H, 4H.At this moment, upset pinch roll 151 no longer carries out rotary movement, but directly printing paper 201 is sent into next flow process.
Fig. 5 illustrates the structural representation of the double-sided enlarging print device of another embodiment of the present invention.In this embodiment, identical with last embodiment label is represented identical parts.The double-sided enlarging print device 200 of present embodiment comprises body 101, and body is provided with printing paper input mechanism 110, exposure desk 120, exposer 130, printing paper conveying mechanism 140, adsorbing mechanism 170 and turn-over mechanism 250.
Shown in Fig. 6 A, 6B, turn-over mechanism 250 comprises a pair of upset pinch roll 151, a detecting device 152 (Fig. 7 A) and turn-over driving mechanism 153.Wherein a pair of upset pinch roll 151 is located at after the exposure desk 120 and contiguous the 3rd pinch roll 143.The coaxial driven wheel 251a that is provided with on the upset pinch roll 151.Detecting device 152 is located at the outgoing side of upset pinch roll 151, in order to detect being reversed the front end that pinch roll 151 pinches and whether arriving this place of printing paper.The distance of the 3rd pinch roll 143 and upset pinch roll 151 can suitably be set, make when the front end of printing paper arrives this place, not being reversed the rear end that pinch roll 151 pinches becomes free end, is no longer clamped by the 3rd pinch roll.In a preferred embodiment, in order to dwindle the distance between the 3rd pinch roll 143 and the upset pinch roll 151, can be when transmitting printing paper, make printing paper protuberance between the 3rd pinch roll 143 and upset pinch roll 151, this can reach less than the transfer rate of the 3rd pinch roll 143 by the transfer rate that makes upset pinch roll 151.
The difference of present embodiment and last embodiment is, do not use independent driving mechanism, but with printing paper conveying mechanism 140 common drive mechanisms, specifically, shown in Fig. 5 and Fig. 6 A, the coaxial driven wheel 251a that gear 254a is set and is sent to wherein a upset pinch roll 151 through transmission gear 254b on the 3rd pinch roll 143.
Below with reference to Fig. 7 A-7E, and Fig. 8 A-8E describes the flow process of the turn-over mechanism of present embodiment, and wherein to the upset flow process of watching, mechanism shown in it is for pinching driving mechanism with A among Fig. 6 A for Fig. 7 A-7E.To the upset flow process of watching, mechanism shown in it is the turn-over driving mechanism to Fig. 8 A-8E with B among Fig. 6 A.And the figure of same sequence number represents the turn-over mechanism state of synchronization among Fig. 7 A-7E and the 8A-8E.At first shown in Fig. 7 A, 7A, the printing paper 201 that the 3rd pinch roll 143 is finished first surface (as up A face among the figure) exposure is sent exposure desk 120, enters upset pinch roll 151, and upset pinch roll 151 continues to drive printing paper 201 away from exposure desk 120.After mode that detecting device 152 is described with preamble detected printing paper 201 front ends and arrives turn-over mechanism, shown in Fig. 7 B-7C, Fig. 8 B-8C, the drive motor 154a that pinches driving mechanism can stop to drive a wherein upset pinch roll 151 rotations, thereby stops to pinch.And the drive motor 153a of turn-over driving mechanism can drive a pair of upset pinch roll 151 Rotate 180 degree.At this moment, in the position that pinches of upset pinch roll, up be the B face.And then, pinch driving mechanism 154 and restart, drive upset pinch roll 151 and import printing paper 201 to the exposure desk direction, it imports flow process shown in Fig. 7 C-7D, Fig. 8 C-8D.After printing paper 201 reenters exposure desk 120, its second surface that is not exposed (B face) will become side to light and obtain exposure.Meanwhile, a pair of upset pinch roll 151 Rotate 180 degree return to the original position.Then, export to upset pinch roll 151 via the 3rd pinch roll 143 again, at this moment, upset pinch roll 151 no longer carries out rotary movement, but directly printing paper 201 is sent into next flow process, shown in Fig. 7 E, 8E.
On the other hand, can summarize a kind of double-sided enlarging print method of the present invention by above-mentioned double-sided enlarging print device, its flow process as shown in Figure 9, please in conjunction with reference Fig. 3 A-3H and Fig. 4 A-4H, this method may further comprise the steps:
Step 301, make printing paper 201 enter exposure desk 120 and with first surface towards exposer 130, carry out first time exposure;
Step 302 is sent to turn-over mechanism 150 with printing paper 201 by a pair of pinch roll 143 of exposure desk 120, specifically, is to arrive upset pinch roll 151;
Step 303, when the front end that detects printing paper when detecting device 152 arrives upset pinch roll 151, turn-over driving mechanism 153 can make 151 rotations of upset pinch roll and the second surface that makes printing paper 201 towards exposer 130; Wherein overturning pinch roll 151 can the dextrorotation turnback, also can be rotated counterclockwise 180 degree.
Step 304 is recycled to exposure desk 120 with printing paper 201 by turn-over mechanism 150, carries out the exposure second time;
Step 305 is sent by exposure desk 120 printing paper 201 through turn-over mechanism 150.
Other details of above-mentioned double-sided enlarging print method see also the description of preamble about double-sided enlarging print device, do not repeat them here.
Therefore, double-sided enlarging print device of the present invention only needs an exposer, and can realize double-sided enlarging print by turn-over mechanism suitably is set.And double-sided enlarging print device of the present invention can on original single face enlarging print device a selection mechanism be set additionally and turn-over mechanism forms, thereby can make full use of original single face photographic process equipment and need not reconfigure equipment; In addition, turn-over process of the present invention only needs promptly to overturn after the printing paper front end arrives, so the turn-over process is simple, convenient and rapid.
Though the present invention discloses as above with preferred embodiment; right its is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.

Claims (10)

1. double-sided enlarging print method may further comprise the steps:
Make printing paper enter an exposure desk and with first surface towards exposer, carry out first time exposure;
Described printing paper is sent to a turn-over mechanism by described exposure desk;
When the front end that detects described printing paper arrives described turn-over mechanism, overturn described turn-over mechanism and the second surface that makes described printing paper towards described exposer;
Described printing paper is sent to described exposure desk by described turn-over mechanism, carries out the exposure second time.
2. the method for claim 1 is characterized in that, described turn-over mechanism is to turn over turnback clockwise or counterclockwise.
3. the method for claim 1 is characterized in that, carries out also comprising after the exposure second time described printing paper is sent through described turn-over mechanism by described exposure desk.
4. the method for claim 1 is characterized in that, described printing paper is comprised by the step that described exposure desk is sent to a turn-over mechanism:
Described printing paper is swelled between described exposure desk and described turn-over mechanism.
5. double-sided enlarging print device comprises:
The printing paper input mechanism is in order to input exposure printing paper;
Exposure desk is located at after the described printing paper input mechanism, in order to hold described exposure printing paper;
Printing paper conveying mechanism has the travelling belt of the described exposure desk of pile warp, enters and withdraw from described exposure desk in order to transmit printing paper;
Exposer, projecting beam is with the first surface exposure to the printing paper on the described exposure desk;
Turn-over mechanism, it comprises:
A pair of upset pinch roll is located at after the described exposure desk, in order to pinch that printing paper enters or away from described exposure desk;
Whether detecting device arrives described upset pinch roll in order to the front end that detects described printing paper;
The turn-over driving mechanism, connect described upset pinch roll, after arriving described upset pinch roll in order to the front end that detects described printing paper at this detecting device, drive this to the rotation of upset pinch roll, make this to upset printing paper second surface that pinch roll pinched towards described exposer.
6. double-sided enlarging print device as claimed in claim 5, it is characterized in that, described driving mechanism comprises a drive motor, one first gear and one second gear, this first gear is located on the output shaft of this drive motor, this second gear is by this first gear drive, and wherein said a pair of pinch roll is located on the axle sleeve by this second gear driven.
7. double-sided enlarging print device as claimed in claim 5 is characterized in that, described upset pinch roll has the independent driving mechanism that pinches.
8. double-sided enlarging print device as claimed in claim 5 is characterized in that, described printing paper conveying mechanism also comprises:
Be located at second pinch roll of described exposure desk, import described exposure desk in order to the printing paper that described printing paper input mechanism is transmitted in abutting connection with a side of described printing paper input mechanism; And
Be located at three pinch roll of described exposure desk, in order to described printing paper is imported described upset pinch roll from described exposure desk in abutting connection with a side of described turn-over mechanism.
9. double-sided enlarging print device as claimed in claim 8 is characterized in that, also comprises a gear train, in order to the transmission of power of described the 3rd pinch roll to described upset pinch roll.
10. double-sided enlarging print device as claimed in claim 5 is characterized in that, also comprises an adsorbing mechanism, is located at described exposure desk below so that described printing paper is close to described travelling belt.
CN 200810207354 2008-12-19 2008-12-19 Method and device for enlarging print in double surfaces Active CN101750863B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 200810207354 CN101750863B (en) 2008-12-19 2008-12-19 Method and device for enlarging print in double surfaces
PCT/CN2009/075691 WO2010069265A1 (en) 2008-12-19 2009-12-18 Dual-sides enlarging method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810207354 CN101750863B (en) 2008-12-19 2008-12-19 Method and device for enlarging print in double surfaces

Publications (2)

Publication Number Publication Date
CN101750863A true CN101750863A (en) 2010-06-23
CN101750863B CN101750863B (en) 2013-03-20

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WO (1) WO2010069265A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109254490A (en) * 2018-11-01 2019-01-22 郑州易邦微光电科技有限公司 Double-sided laser film processor single exposure device and double-sided laser film processor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08137015A (en) * 1994-11-08 1996-05-31 Konica Corp Photograph printing device
US6356337B1 (en) * 2000-03-08 2002-03-12 Anvik Corporation Two-sided substrate imaging using single-approach projection optics
CN2920920Y (en) * 2006-07-11 2007-07-11 中国印钞造币总公司 Automatic turningover machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109254490A (en) * 2018-11-01 2019-01-22 郑州易邦微光电科技有限公司 Double-sided laser film processor single exposure device and double-sided laser film processor

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CN101750863B (en) 2013-03-20

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