CN104290442B - Powder device - Google Patents
Powder device Download PDFInfo
- Publication number
- CN104290442B CN104290442B CN201410315304.7A CN201410315304A CN104290442B CN 104290442 B CN104290442 B CN 104290442B CN 201410315304 A CN201410315304 A CN 201410315304A CN 104290442 B CN104290442 B CN 104290442B
- Authority
- CN
- China
- Prior art keywords
- distributor
- powder
- back side
- nozzle
- amount
- 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2486—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device with means for supplying liquid or other fluent material to several discharge devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
- B05B7/1481—Spray pistols or apparatus for discharging particulate material
- B05B7/1486—Spray pistols or apparatus for discharging particulate material for spraying particulate material in dry state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/06—Powdering devices, e.g. for preventing set-off
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Methods (AREA)
- Nozzles (AREA)
Abstract
The present invention relates to a kind of for giving the device at printable fabric dusting end in printing machine, wherein, not only the front of printable fabric but also its back side are all last by dusting.The device is characterized in that, by the first public distributor of a public metering unit and one to front nozzle and back side nozzle supplying powder, the powder is exported to first distributor first；First distributor is connected at least one second distributor of corresponding front nozzle；First distributor is connected at least one third distributor of corresponding back side nozzle.
Description
Technical field
The present invention relates to powder devices.
Background technology
As in US 7, the powder device described in 942,096B2 is used for printed pages dusting end, therefore
So that the fresh ink in printed pages is not glued in the adjacent printed pages rubbed in collection heap.
The powder device has a line nozzle head, and powder air stream is sprayed from the nozzle head, so that powder is applied
Be added to by page on.
In general, the front of the printed pages is loaded powder air mix from above herein.
The problem of collection process, is that always completely overlapped ground is not stacked up and down for page, but keeps with missing one another
On collection heap.This makes the transport of pile become plastic deformation that is difficult and can leading to printable fabric fringe region.It is receiving
The further drawback occurred during paper is set-off.Here, fresh printing figure is by being placed on the movement of the page on printing figure
Damage.
DE3217779A1 discloses a kind of paper receiver of printing machine, and two dusting ends can be set in the paper receiver
Device.First powder device on towards the positive dusting of printed pages end and the second powder device under towards printing
The back side dusting end of page.
The two-sided dusting end of printed pages has the advantages that several.Therefore, when the page for leaving printing machine arrives, by attached
So-called " ball bearing effect ", the ball bearing can be generated in the page placed to page back side dusting end with adding
Effect pro influences page and is slided on each other.This leads to the improvement of the flatness of page.It is higher folded therefore, it is possible to realize
Stack height.
In addition, " the ball bearing effect " helps to reduce the danger of set-off.
But according to the current prior art, the advantage is brought with expensive cost because (as
Described in DE3217779A1) two a whole set of powder devices must be used.
Invention content
Therefore, the task of the present invention is reduce being manufactured into for the powder device to the two-sided dusting end of printable fabric
This.
According to the present invention, the task is by having the powder device of the feature of the present invention to solve.Page is by nozzle from upper
Face and from following dusting end.Front nozzle and back side nozzle are distributed by a unique public metering unit and public first
Device is supplied.This is realized in the form of following, that is, the powder is exported to first distributor from metering unit first.It is described
The powder is distributed at least one second distributor and at least one third distributor by the first distributor again, and described at least one
A second distributor and at least one third distributor are connected on first distributor.Then, described at least one second
Distributor gives the front nozzle supplying powder.At least one third distributor gives the back side nozzle supplying powder.
In the advantageous embodiment of the present invention, the quantity of second distributor is more than the third distributor
Quantity.Why this meets purpose requirement, is because of powder when from the following loading powder air mix
The distribution ratio of last air mixture is very different when loading the powder air mix from above.It is put down to make full use of to improve
The advantages of smooth degree and reduction set-off, a small amount of powder is also enough.
In another advantageous configuration of the present invention, the quantity ratio for the back side nozzle being connected on corresponding third distributor connects
The quantity for being connected on the front nozzle on corresponding second distributor is more.
The amount of powder sprayed as a result, from back side nozzle is reduced compared to the amount of powder sprayed from front nozzle, without
Use individual regulating device.
According to a particularly advantageous configuration, 12 the second distributors for being respectively provided with three front nozzles and two points
It Ju not be connected on first distributor there are six the third distributor of back side nozzle.
Another advantageous configuration of the present invention designs in this way, first distributor to this second distributor or these the
It two distributors and can be opened and closed to the outlet of this third distributor or these third distributors.Thus, for example
Single distributor can be turned off when printing is compared with small dimension, to avoid waste powder.
In another advantageous form of implementation of the present invention, exported by the first distributor and distributed at least one third
The amount of powder of device by means of the control unit between first distributor and at least one third distributor with export to
The amount of powder of at least one second distributor is independently conditioned in a manner of being more than two-stage.
Another advantageous form of implementation according to the present invention, in first distributor and this or these third distributor
Between throttling set is set respectively.Therefore, it is compared by the amount of powder of back side nozzle output and is exported on the front nozzle
Amount of powder be reduced.
In another advantageous form of implementation of the present invention, the amount of powder exported on the back side nozzle is only in institute
State the score of the amount of powder exported on the nozzle of front sub-fraction in other words.
Particularly advantageously, the amount of powder exported on the back side nozzle is only what is exported on the front nozzle
The 20% of amount of powder.
In another advantageous configuration, design in this way the powder at least one second distributor and it is described at least
Distribution on one third distributor so that it can independently be conditioned with carrying air stream.
Description of the drawings
Shown in the drawings of the powder device at the page dusting end in the paper receiver to printing machine.
Specific embodiment
Printing machine 1 is partly shown in figure.The printing machine 1 is for the lithographic offset press of printed pages 2.
The powder device 3 at 2 dusting of the page end in the paper receiver to the printing machine 1 is shown in the part.The powder
It is initially positioned in metering unit 4.The metering unit 4 includes powder storage device and the powder dosage roller in downstream.From powder there
End is exported on the first distributor 5.Then powder is assigned to multiple second distribution by first distributor by outlet 10
On device 6 and multiple third distributors 7.Being respectively provided between first distributor 5 and the third distributor 7 can be stepless
The throttling set 9 of adjusting can independently adjust exportable amount of powder by means of the throttling set with front nozzle 8.1.
The powder is exported from second distributor 6 on the front nozzle 8.1 and the powder is by from the third point
Orchestration 7 is exported on back side nozzle 8.2, then the powder is sprayed onto in the page 2 by the nozzle.
Reference numeral table：
1 printing machine
2 pages
3 powder devices
4 metering units
5 first distributors
6 second distributors
7 third distributors
8.1 front nozzles
8.2 back side nozzles
9 throttling sets
10 outlets
Claims (10)
1. one kind is in printing machine (1) for giving the device at printable fabric (2) dusting end, wherein, not only printable fabric (2) is being just
Face and its back side are all by dusting end, which is characterized in that
By a public metering unit (4) and public first distributor (5) to front nozzle (8.1) and back side nozzle
(8.2) supplying powder,
Wherein, the powder is exported to first distributor (5) first,
Wherein, it is connected to first distributor at least one second distributor (6) of corresponding front nozzle (8.1)
(5) on, and
Wherein, it is connected to first distributor at least one third distributor (7) of corresponding back side nozzle (8.2)
(5) on.
2. powder device (3) according to claim 1, which is characterized in that the quantity of second distributor (6) is more than
The quantity of the third distributor (7).
3. powder device (3) according to claim 1 or 2, which is characterized in that be connected at least one third point
The quantity ratio of the back side nozzle (8.2) on orchestration (7) be connected at least one second distributor (6) it is described just
The quantity of face nozzle (8.1) is more.
4. powder device (3) according to claim 3, which is characterized in that 12 are respectively provided with three front nozzles
(8.1) the second distributor (6) and two third distributors (7) for being respectively provided with six back side nozzles (8.2) is connected to described
On first distributor (5).
5. powder device (3) according to claim 1 or 2, which is characterized in that first distributor (5) is to described
It at least one second distributor (6) and can be opened and closed to the outlet (10) of at least one third distributor (7).
6. powder device (3) according to claim 1 or 2, which is characterized in that exported by first distributor (5)
It can be with being exported by first distributor (5) to described at least one to the amount of powder of at least one third distributor (7)
The amount of powder of a second distributor (6) is independently conditioned in a manner of being more than two-stage.
7. powder device (3) according to claim 1 or 2, which is characterized in that in first distributor (5) and institute
It states and throttling set (9) is set respectively between at least one third distributor (7).
8. powder device (3) according to claim 1 or 2, which is characterized in that export to the back side nozzle (8.2)
Amount of powder only correspond only to output to the front nozzle (8.1) amount of powder sub-fraction.
9. powder device (3) according to claim 1 or 2, which is characterized in that defeated from all back side nozzles (8.2)
The amount of powder gone out at most corresponds to the 20% of the amount of powder exported from all front nozzles (8.1).
10. powder device (3) according to claim 1 or 2, which is characterized in that amount of powder is in the front nozzle
(8.1) distribution between the back side nozzle (8.2) can independently be adjusted with carrying air stream.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013011916.2 | 2013-07-17 | ||
| DE102013011916 | 2013-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104290442A CN104290442A (en) | 2015-01-21 |
| CN104290442B true CN104290442B (en) | 2018-07-10 |
Family
ID=52131446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410315304.7A Active CN104290442B (en) | 2013-07-17 | 2014-07-03 | Powder device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104290442B (en) |
| DE (1) | DE102014009427A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020797A (en) * | 2017-05-17 | 2017-08-08 | 浙江云广印业股份有限公司 | A kind of efficient screen process press |
| CN112248635B (en) * | 2020-10-19 | 2021-08-03 | 杭州翔毅科技有限公司 | Intelligent processing system for advertisement printing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3799438A (en) * | 1972-12-01 | 1974-03-26 | Baxter Laboratories Inc | Dispensing and spraying apparatus and method |
| DE3217779A1 (en) * | 1982-05-12 | 1983-11-17 | Weitmann & Konrad GmbH & Co KG, 7022 Leinfelden-Echterdingen | Device for controlling the powder dispenser in a printing machine |
| US5964155A (en) * | 1996-01-03 | 1999-10-12 | Platsch; Hans Georg | Device for powdering printed products |
| US6085654A (en) * | 1998-02-17 | 2000-07-11 | Heidelberger Druckmaschinen Aktiengesellschaft | Device for powdering printed sheets |
| US6250224B1 (en) * | 1997-10-27 | 2001-06-26 | Hans J. Hofmann | Powder sprayer |
| CN101817254A (en) * | 2010-03-28 | 2010-09-01 | 滕兴鸿 | Electronic pneumatic powder-spraying device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10236264A1 (en) * | 2002-08-07 | 2004-02-26 | Platsch Gmbh & Co.Kg | Powdering unit for printing press has powder curtain movable between two angled guide elements each with one member located parallel or coplanar with each other and one member extending parallel to powder curtain plane |
| DE102006049648A1 (en) | 2006-10-20 | 2008-04-24 | Heidelberger Druckmaschinen Ag | Method for controlling a powder sprayer |
-
2014
- 2014-06-25 DE DE102014009427.8A patent/DE102014009427A1/en active Pending
- 2014-07-03 CN CN201410315304.7A patent/CN104290442B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3799438A (en) * | 1972-12-01 | 1974-03-26 | Baxter Laboratories Inc | Dispensing and spraying apparatus and method |
| DE3217779A1 (en) * | 1982-05-12 | 1983-11-17 | Weitmann & Konrad GmbH & Co KG, 7022 Leinfelden-Echterdingen | Device for controlling the powder dispenser in a printing machine |
| US5964155A (en) * | 1996-01-03 | 1999-10-12 | Platsch; Hans Georg | Device for powdering printed products |
| US6250224B1 (en) * | 1997-10-27 | 2001-06-26 | Hans J. Hofmann | Powder sprayer |
| US6085654A (en) * | 1998-02-17 | 2000-07-11 | Heidelberger Druckmaschinen Aktiengesellschaft | Device for powdering printed sheets |
| CN101817254A (en) * | 2010-03-28 | 2010-09-01 | 滕兴鸿 | Electronic pneumatic powder-spraying device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014009427A1 (en) | 2015-01-22 |
| CN104290442A (en) | 2015-01-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |