CN108621547A - A kind of printing paper flattening device - Google Patents
A kind of printing paper flattening device Download PDFInfo
- Publication number
- CN108621547A CN108621547A CN201710168624.8A CN201710168624A CN108621547A CN 108621547 A CN108621547 A CN 108621547A CN 201710168624 A CN201710168624 A CN 201710168624A CN 108621547 A CN108621547 A CN 108621547A
- Authority
- CN
- China
- Prior art keywords
- flattened region
- paper
- blowing
- guiding
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F25/00—Devices for pressing sheets or webs against cylinders, e.g. for smoothing purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0036—Devices for scanning or checking the printed matter for quality control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2233/00—Arrangements for the operation of printing presses
- B41P2233/50—Marks on printed material
- B41P2233/51—Marks on printed material for colour quality control
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
The present invention relates to print quality inspection fields, more particularly to a kind of printing paper flattening device, include the blowing flattened region of a realization sheet spread, one guiding flattened region for realizing that the gentle conductance of sheet spread draws, one deflector and a negative pressure dissipation area for gas flow guiding, the transfer roller of flattened region face of drying rotation, guiding flattened region drains the air-flow in flattened region of drying along the gap between guiding flattened region and transfer roller against the direction that paper is run, it is seamlessly connected between deflector and guiding flattened region, it is seamlessly connected between negative pressure dissipation area and deflector.The printing paper flattening device collectively constituted by flattened region of drying, guiding flattened region, deflector and negative pressure dissipation area, it is ensured that paper is flattened on the transfer roller surface of rotation.
Description
Technical field
The present invention relates to print quality inspection field more particularly to a kind of printing paper flattening devices.
Background technology
Printing quality on-line detecting system is by using linear array CCD camera with the entire printing of video-splicing technology acquisition
The image of breadth acquires the image of paper wherein the position of detection camera is fixed by the rotation of transfer roller, can be with
Quality in the effective printed matter production process of monitoring in real time.When detecting, paper out-of-flatness can cause flase drop to printing paper, but
It is that paper will produce when cylinder surface transmits to wave, this will certainly influence testing result due to printing paper transmitting characteristic,
So in order to ensure that on-line checking quality needs to flatten printing paper.
Presently disclosed device for smoothening sheets is one is contact flattening device is used, for example, by using scraping pressing plate mode by paper
It opens and strikes off, or by sheet spread by the way of suction plate, can all lead to printing paper and flattening in the operational process of paper
Device is contacted, but the ink just completed on the paper of printing is not dried completely, and printing figure message quality is easy to cause
Damage, so the use of such flattening device have certain limitation.Another kind is contactless flattening device, current open
A kind of contactless printing paper blowing flattening device be arranged in the air hose in paper breadth width direction, air hose is put down at one
It is distributed blower of the row with special angle on face and carries out sheet spread to paper blowing, flattened region is only blown one narrow
Gas takes the flattening for carrying out paper, and blowing flattening effect is influenced by flattened region ambient enviroment, and air-flow dissipation directionality is indefinite,
Flow perturbation is easily caused, influences flattening effect to a certain extent.
Invention content
The technical problem to be solved in the present invention is to provide a kind of printing paper flattening device, ensure that paper exists when on-line checking
The transfer roller surface of rotation flattens.
In order to solve the above technical problems, a kind of printing paper flattening device of the present invention, including realization sheet spread
Dry flattened region, one is realized the guiding flattened region drawn of the gentle conductance of sheet spread, one for gas flow guiding deflector and
One negative pressure dissipation area, blowing flattened region face rotation transfer roller, guiding flattened region by the air-flow in flattened region of drying along
Gap between guiding flattened region and transfer roller is drained against the direction that paper is run, nothing between deflector and guiding flattened region
Seam connection, is seamlessly connected between negative pressure dissipation area and deflector.
As the prioritization scheme of the present invention, detection camera is fixed at the outside of transfer roller, and institute is right with detection camera
The position of test point compare, the position in flattened region of drying is located at the upstream of paper direction of transfer.
As the prioritization scheme of the present invention, slitless connection between flattened region and blowing flattened region is guided, relative to blowing exhibition
The position in flat area guides the position in flattened region in the upstream of paper traffic direction.
As the prioritization scheme of the present invention, there are one the first air cavitys for blowing flattened region tool, are rolled in the first air cavity face transfer
It is uniformly distributed the row blowhole consistent with paper breadth width direction on the wall of cylinder, blowhole is blowed to paper, to biography
Paper on paper roll applies pressure so that paper is attached to transfer roller surface and is flattened.
As the prioritization scheme of the present invention, first air cavity in flattened region of drying is by both ends air inlet, and the of flattened region of drying
The blast pipe at one air cavity both ends is connected with the first air pump, and the first air pump adjusts the air output in blowing flattened region by frequency control.
As the prioritization scheme of the present invention, there are one the second air cavitys for guiding flattened region tool, in the second air cavity face paper
Blowing aperture is uniformly distributed on wall, blowing direction and the paper shaped angle at an acute angle of aperture of drying, the wind pair of blowing aperture blowout
Paper generates pressure.
As the prioritization scheme of the present invention, second air cavity in flattened region is guided by both ends air inlet, guides the of flattened region
The blast pipe at two air cavity both ends is connected with the second air pump, the second air pump by the air output in frequency control adjustable guide flattened region,
The blowing amount of the blowing amount and blowing flattened region that guide flattened region needs to carry out coordination adjusting, ensures that the air-flow in blowing flattened region exists
It is drained along the gap between guiding flattened region and transfer roller after completing sheet spread.
As the prioritization scheme of the present invention, fixed interval (FI) is formed between deflector and transfer roller, is flattened relative to guiding
The position in area, the position of deflector is in the upstream of paper traffic direction
As the prioritization scheme of the present invention, relative to the position of deflector, the position in negative pressure dissipation area is in paper operation side
To upstream.
As the prioritization scheme of the present invention, negative pressure dissipation area exhausts deflector and leads the air-flow come in time by negative-pressure ward,
Negative pressure dissipation area is connected with vacuum pump, and the exhaust flux of vacuum pump is more than blowing flattened region and guides the sum of the blowing amount in flattened region
The present invention has the effect of positive：The printing paper flattening device of the present invention is a kind of non-contact type paper flattening dress
It sets, the damage of printing figure message quality, blowing flattening effect will not be caused not to be influenced by flattened region ambient enviroment, air-flow dissipation side
Tropism is stablized, and flattening of the paper on transfer roller is suitable for, suitable for large-scale promotion.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 operation principle structural schematic diagrams of the present invention.
Wherein：1, transfer roller, 2, roller gripper, 3, paper, 4, blowing flattened region, 5, detection camera, the 6, first air pump,
7, the second air pump, 8, guiding flattened region, 9, deflector, 10, vacuum pump, 11, negative pressure dissipation area.
Specific implementation mode
As shown in Figure 1, the invention discloses a kind of printing paper flattening device, include the blowing of a realization sheet spread
Flattened region 4, a guiding flattened region 8 for realizing that the gentle conductance of sheet spread draws, a deflector and one for being used for gas flow guiding
A negative pressure dissipation area, the transfer roller 1 of blowing 4 face of flattened region rotation, according to fluid mechanics principle, guiding flattened region 8 is blown
Wind can to blowing flattened region 4 generate suction function, guiding flattened region 8 by dry flattened region 4 air-flow along guiding flattened region 8 with
Gap between transfer roller 1 is drained against the direction that paper is run, and is seamlessly connected, is born between deflector 9 and guiding flattened region 8
Pressure dissipates to be seamlessly connected between area 11 and deflector 9.Wherein, paper 3 is held in the month by roller gripper 2 and is passed with transfer roller 1
It passs, the picture and text of paper 3 are detected on the detection camera 5 acquisition transfer roller 1 of print quality inspection, entire printing paper
Flattening device detection camera 5 to test point upstream, when operation, the paper 3 to entering test point is needed first to open up
It is flat so that paper 3 to detection camera 5 to test point before complete to flatten.Detection camera 5 is fixed at transfer roller 1
Outside, with detection camera 5 to test point position compared with, blowing flattened region 4 position be located at the upper of paper direction of transfer
Trip.
Slitless connection between flattened region 8 and blowing flattened region 4 is guided, relative to the position in blowing flattened region 4, guiding flattening
The position in area 8 is in the upstream of paper traffic direction.Drying, there are one the first air cavitys for the tool of flattened region 4, in the first air cavity face transfer
The row blowhole consistent with paper breadth width direction is uniformly distributed on the wall of roller 1, blowhole is blowed to paper 3,
Apply pressure to the paper 3 on transfer roller 1 so that paper 3 is attached to 1 surface of transfer roller and is flattened.Blowing flattened region 4
The first air cavity by both ends air inlet, ensure that the pressure of each blowhole is consistent, dry flattened region 4 the first air cavity both ends air inlet
Pipe is connected with the first air pump 6, and the first air pump 6 adjusts the air output in blowing flattened region 4 by frequency control, blowing flattened region 4
Air quantity can be adjusted according to the type of flattening paper.Wherein, the first air cavity is located at paper breadth width direction.
Guiding the tool of flattened region 8, there are one the second air cavitys, and it is small that blowing is uniformly distributed on the wall of the second air cavity face paper 3
Hole, blowing direction and the paper 3 of aperture of drying form acute angle, and the wind of blowing aperture blowout generates pressure to paper 3.Second
Paper of the blowing of air cavity apart from paper 3 is preferred for 3-8mm, and blowing distance needs to coordinate with blowing amount.Guide the of flattened region 8
Two air cavitys ensure that the pressure of blowing aperture is consistent by both ends air inlet, guide the blast pipe at the second air cavity both ends in flattened region 8 with
Second air pump 7 is connected, and the second air pump 7 guides the blowing in flattened region 8 by the air output in frequency control adjustable guide flattened region 8
Amount and the blowing amount in blowing flattened region 4 need to carry out coordination adjusting, ensure the air-flow in blowing flattened region 4 after completing sheet spread
It is drained along the gap between guiding flattened region 8 and transfer roller 1.Wherein, the second air cavity is located at paper breadth width side
The opposite direction run in paper 3 between the detection faces of paper 3 on the face opposite to, the second air cavity and paper 3 is at an acute angle
The air quantity of angle, guiding flattened region 8 can be adjusted according to the type of paper 3.
Fixed interval (FI) is formed between deflector 9 and transfer roller 1, is seamlessly connected between deflector 9 and guiding flattened region 8,
Relative to the position in guiding flattened region 8, in the upstream of paper traffic direction, deflector 9 can will guide exhibition for the position of deflector 9
Flat area 8 blows over the air-flow come and carries out reverse guide along the direction that paper 3 is run.
It is seamlessly connected between negative pressure dissipation area 11 and deflector 9, relative to the position of deflector 9, negative pressure dissipation area 11
In the upstream of paper traffic direction, negative pressure dissipation area 11 exhausts deflector 9 and leads the air-flow come in time by negative-pressure ward for position,
Negative pressure dissipation area 11 is connected with vacuum pump 10, and the exhaust flux of vacuum pump 10 is more than blowing flattened region 4 and guides blowing for flattened region 8
The sum of air quantity.Negative pressure dissipation area 11 can be obstructed to avoid gas dissipation generates air agitation influence flattening effect.
Printing paper flattening dress is collectively constituted by flattened region 4 of drying, guiding flattened region 8, deflector 9 and negative pressure dissipation area 11
It sets and paper 3 may be implemented is flattened on 1 surface of transfer roller of rotation.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of printing paper flattening device, it is characterised in that：Include one realization sheet spread blowing flattened region (4), one
A guiding flattened region (8) realized the gentle conductance of sheet spread and drawn, a deflector (9) and a negative pressure for being used for gas flow guiding
Dissipation area (11), the transfer roller (1) of blowing flattened region (4) face rotation, guiding flattened region (8) will dry flattened region (4)
Air-flow is drained along the gap between guiding flattened region (8) and transfer roller (1) against the direction that paper is run, the water conservancy diversion
It is seamlessly connected between plate (9) and guiding flattened region (8), is seamlessly connected between the negative pressure dissipation area (11) and deflector (9).
2. a kind of printing paper flattening device according to claim 1, it is characterised in that：Camera (5) is detected to be fixedly installed
Outside in transfer roller (1), with detection camera (5) to test point position compared with, dry flattened region (4) position position
In the upstream of paper direction of transfer.
3. a kind of printing paper flattening device according to claim 1 or 2, it is characterised in that：It guides flattened region (8) and blows
Slitless connection between wind flattened region (4), relative to the position of blowing flattened region (4), the position for guiding flattened region (8) is transported in paper
The upstream of line direction.
4. a kind of printing paper flattening device according to claim 3, it is characterised in that：Flattened region (4) are dried with one
A first air cavity, it is consistent with paper breadth width direction on the wall of the first air cavity face transfer roller (1) to be uniformly distributed a row
Blowhole, blowhole is blowed to paper (3), applies pressure to the paper (3) on transfer roller (1) so that paper (3)
Transfer roller (1) surface is attached to be flattened.
5. a kind of printing paper flattening device according to claim 4, it is characterised in that：The first of blowing flattened region (4)
Air cavity is connected by both ends air inlet, the blast pipe at the first air cavity both ends of blowing flattened region (4) with the first air pump (6), the first wind
Pump the air output that (6) adjust blowing flattened region (4) by frequency control.
6. a kind of printing paper flattening device according to claim 3, it is characterised in that：Guiding flattened region (8) has one
A second air cavity is uniformly distributed blowing aperture, the blowing direction and paper of aperture of drying on the wall of the second air cavity face paper (3)
It opens (3) and forms acute angle, the wind of blowing aperture blowout generates pressure to paper (3).
7. a kind of printing paper flattening device according to claim 6, it is characterised in that：Guide the second of flattened region (8)
Air cavity is by both ends air inlet, and the blast pipe for guiding the second air cavity both ends of flattened region (8) is connected with the second air pump (7), the second wind
The air output of (7) by frequency control adjustable guide flattened region (8) is pumped, blowing amount and the blowing flattened region of flattened region (8) are guided
(4) blowing amount needs to carry out coordination adjusting, ensures the air-flow of blowing flattened region (4) after completing sheet spread along the exhibition of guiding
Gap between flat area (8) and transfer roller (1) is drained.
8. a kind of printing paper flattening device according to claim 3, it is characterised in that：The deflector (9) and biography
Paper roll forms fixed interval (FI) between (1), and relative to the position of guiding flattened region (8), the position of deflector (9) is run in paper
The upstream in direction.
9. a kind of printing paper flattening device according to claim 8, it is characterised in that：Position relative to deflector (9)
It sets, the position in negative pressure dissipation area (11) is in the upstream of paper traffic direction.
10. a kind of printing paper flattening device according to claim 9, it is characterised in that：The negative pressure dissipation area
(11) by negative-pressure ward, deflector (9) is exhausted in time and leads the air-flow come, the negative pressure dissipation area (11) is connected with vacuum pump
(10), the exhaust flux of vacuum pump (10) is more than blowing flattened region (4) and guides the sum of the blowing amount of flattened region (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710168624.8A CN108621547A (en) | 2017-03-21 | 2017-03-21 | A kind of printing paper flattening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710168624.8A CN108621547A (en) | 2017-03-21 | 2017-03-21 | A kind of printing paper flattening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108621547A true CN108621547A (en) | 2018-10-09 |
Family
ID=63687148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710168624.8A Pending CN108621547A (en) | 2017-03-21 | 2017-03-21 | A kind of printing paper flattening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108621547A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0924069A2 (en) * | 1997-11-29 | 1999-06-23 | MAN Roland Druckmaschinen AG | Sheet guiding device in a printing machine |
| JPH11227161A (en) * | 1997-11-29 | 1999-08-24 | Man Roland Druckmas Ag | Sheet guiding device for printer |
| EP1123803A1 (en) * | 2000-02-08 | 2001-08-16 | Mitsubishi Heavy Industries, Ltd. | Sheet guide unit for sheet-fed press |
| JP2002137362A (en) * | 2000-08-31 | 2002-05-14 | Heidelberger Druckmas Ag | Apparatus for guiding sheet in machine for printing sheet |
| CN101750420A (en) * | 2008-11-27 | 2010-06-23 | 北京凌云光视数字图像技术有限公司 | Printing material quality online visual inspection system |
| CN102744964A (en) * | 2012-07-19 | 2012-10-24 | 北京华夏视科图像技术有限公司 | Curved surface paper flattening device for chain wheel motion of printing machine |
-
2017
- 2017-03-21 CN CN201710168624.8A patent/CN108621547A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0924069A2 (en) * | 1997-11-29 | 1999-06-23 | MAN Roland Druckmaschinen AG | Sheet guiding device in a printing machine |
| JPH11227161A (en) * | 1997-11-29 | 1999-08-24 | Man Roland Druckmas Ag | Sheet guiding device for printer |
| EP1123803A1 (en) * | 2000-02-08 | 2001-08-16 | Mitsubishi Heavy Industries, Ltd. | Sheet guide unit for sheet-fed press |
| JP2002137362A (en) * | 2000-08-31 | 2002-05-14 | Heidelberger Druckmas Ag | Apparatus for guiding sheet in machine for printing sheet |
| CN101750420A (en) * | 2008-11-27 | 2010-06-23 | 北京凌云光视数字图像技术有限公司 | Printing material quality online visual inspection system |
| CN102744964A (en) * | 2012-07-19 | 2012-10-24 | 北京华夏视科图像技术有限公司 | Curved surface paper flattening device for chain wheel motion of printing machine |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181009 |