CN201745243U - Spraying device for powder sprayer - Google Patents
Spraying device for powder sprayer Download PDFInfo
- Publication number
- CN201745243U CN201745243U CN2010202346675U CN201020234667U CN201745243U CN 201745243 U CN201745243 U CN 201745243U CN 2010202346675 U CN2010202346675 U CN 2010202346675U CN 201020234667 U CN201020234667 U CN 201020234667U CN 201745243 U CN201745243 U CN 201745243U
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- Prior art keywords
- sprayer
- powder
- frame
- nozzle
- rack
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Abstract
The utility model discloses a spraying device for a powder sprayer, which comprises a rack. A plurality of prolate spray nozzles are arranged on the rack in a line. The spraying device is characterized in that the long axes of all the spray nozzles on the projective plane incline relative to the center line of the rack on the projective plane by a fixed angle. The included angle between the long axis of each spray nozzle on the projective plane and the center line of the rack on the projective plane is 10 to 20 degrees. The airflow masses sprayed from the spraying nozzles do not interfere each other, thus overcoming the deficiency of the prior art that strip trace of the airflow masses is left on the surface of printing papers. The spraying device for the powder sprayer has the advantages of simple structure and good powder spraying effect.
Description
Technical field
The utility model relates to the technical field of printing equipment, is specifically related to a kind of sprayer unit of powder sprayer.
Background technology
At a large amount of colored offset presses that use of printing industry during in work, the paper surface that has just finished printing is also not dry, if be superimposed on together this moment, undried printing ink will pollute mutually, damages printing, and this just need be before paper superpose, very thin one deck powder in the printed matter surface spraying, playing buffer action, is that undried printing stacks also and can not influence each other like this, the important effect of the powder sprayer that the most generally uses of printing industry at present that Here it is.For many years, the powder sprayer that uses on offset press has multiple style, and its operation principle also is not quite similar, and has his own strong points.Former powder sprayer sprayer unit uses some nozzle word orders to form, shown in Fig. 1～2, the mixed airflow of the band powder of every nozzle ejection is the expansion of stretching of flat-sided shape fan-shaped form, nozzle near-end flow area is smaller, far-end is horn-like and amplifies gradually, the air-flow of the identical amplification of nozzle ejection that just can be adjacent with the both sides under the certain distance meets, interfere in the air-flow intersection, will stay the strip vestige this moment on object (printing sheets surface), though be slight vestige, the product that requires for some higher printed is unallowed.
The utility model content
The purpose of this utility model be to provide a kind of powder sprayer sprayer unit, can address the deficiencies of the prior art.
In order to realize this purpose, the technical solution of the utility model is as follows: a kind of sprayer unit of powder sprayer, comprise frame, frame is provided with a plurality of prolate shape nozzles, these a plurality of nozzles are arranged along the frame length direction, it is characterized in that each nozzle all is fixed angle with the center line of frame on the perspective plane at the major axis on the perspective plane.Major axis and the angle of frame central line of each nozzle on the perspective plane is 10～20 degree.
The air-flow group of each nozzle ejection is mutually noninterfere in the utility model, has therefore avoided air-flow group in the prior art to stay the shortcoming of strip vestige on the printing sheets surface.Advantage of the present utility model is simple in structure, and the powder ejection is effective.
Description of drawings
Fig. 1 is the prior art constructions schematic diagram
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the structural representation of the utility model one embodiment
Fig. 4 is the vertical view of Fig. 3
Fig. 5 is the vestige design sketch that dusts of the present utility model
Fig. 6 is the vestige design sketch that dusts of prior art
The specific embodiment
Fig. 3～4 show the structural representation of the utility model one embodiment.A kind of sprayer unit of powder sprayer, comprise frame 1, frame 1 is provided with a plurality of prolate shape nozzles 2, these a plurality of nozzles 2 are arranged along the frame length direction, it is characterized in that each nozzle 2 all is the fixed angle inclination with the center line that frame 1 is being dusted on the perspective plane at the major axis on the perspective plane of dusting.Major axis and the frame of each nozzle on the perspective plane is 10～20 degree at the angle of the center line on perspective plane.Frame 1 two ends are respectively equipped with support liner plate 3, are used for fixing with other workpiece, and every nozzle is connected with powder sprayer delivery outlet (not shown) by tracheae 5.The above-mentioned perspective plane of dusting is printing sheets place face when dusting.Described major axis is the perspective plane center line in the longitudinal direction of prolate shape nozzle.According to an embodiment of the present utility model, the nozzle employing patent No. is the nozzle in 200620049062.2.
Because every nozzle self is installed by certain angle of inclination, because every nozzle angle of inclination is identical, it is identical that the flat fan-shaped air-flow of each nozzle ejection is rolled into a ball 4 vestige shapes, size is consistent, equate at interval and be certain angle of inclination to arrange, the horizontal dotted line extended line of Simulation Center of these air-flow group vestiges is non-intersect, not tangent, unrelated, so the air-flow group of every nozzle ejection also is mutually noninterfere, we can clearly see the arrangement of powder air-flow group vestige on ph test paper ph, as shown in Figure 5.When offset press normally moves, printing sheets under sprayer at the uniform velocity by just staying the layer of even powder on the printing sheets surface, thereby reach the purpose of protection printing.
Claims (3)
1. the sprayer unit of a powder sprayer, comprise frame, frame is provided with a plurality of prolate shape nozzles, and these a plurality of nozzles are arranged along the frame length direction, it is characterized in that each nozzle all is fixed angle with the center line of frame on the perspective plane at the major axis on the perspective plane.
2. the sprayer unit of powder sprayer as claimed in claim 1 is characterized in that major axis and the frame of each nozzle on the perspective plane is 10～20 degree at the angle of the center line on perspective plane.
3. the sprayer unit of powder sprayer as claimed in claim 1 or 2 is characterized in that the frame two ends are respectively equipped with the support liner plate, and every nozzle is connected with the powder sprayer delivery outlet by tracheae.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202346675U CN201745243U (en) | 2010-06-23 | 2010-06-23 | Spraying device for powder sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202346675U CN201745243U (en) | 2010-06-23 | 2010-06-23 | Spraying device for powder sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201745243U true CN201745243U (en) | 2011-02-16 |
Family
ID=43579915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202346675U Expired - Lifetime CN201745243U (en) | 2010-06-23 | 2010-06-23 | Spraying device for powder sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201745243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737002A (en) * | 2014-01-24 | 2014-04-23 | 江苏理工学院 | Metal blank oblique spraying atomization moving device |
-
2010
- 2010-06-23 CN CN2010202346675U patent/CN201745243U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737002A (en) * | 2014-01-24 | 2014-04-23 | 江苏理工学院 | Metal blank oblique spraying atomization moving device |
| CN103737002B (en) * | 2014-01-24 | 2016-05-18 | 江苏理工学院 | Metal blank oblique spraying atomization moving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |