CN209647072U - Strip sprays back side edge powder clearing apparatus and electrostatic powder spraying device - Google Patents
Strip sprays back side edge powder clearing apparatus and electrostatic powder spraying device Download PDFInfo
- Publication number
- CN209647072U CN209647072U CN201920267738.2U CN201920267738U CN209647072U CN 209647072 U CN209647072 U CN 209647072U CN 201920267738 U CN201920267738 U CN 201920267738U CN 209647072 U CN209647072 U CN 209647072U
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- Prior art keywords
- strip
- back side
- brush
- powder
- roller brush
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- 239000000843 powder Substances 0.000 title claims abstract description 81
- 238000005507 spraying Methods 0.000 title claims abstract description 54
- 239000007921 spray Substances 0.000 title claims description 39
- 230000008676 import Effects 0.000 claims description 4
- 239000008266 hair spray Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 239000003973 paint Substances 0.000 abstract description 8
- 230000005684 electric field Effects 0.000 description 8
- 239000004411 aluminium Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 238000005269 aluminizing Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000013000 roll bending Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003601 intercostal effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
The utility model discloses a kind of strip spraying back side edge powder clearing apparatus and electrostatic powder spraying devices.Strip spraying back side edge powder clearing apparatus includes: the roller brush for being set to strip spraying back side edge and being in contact with it, and the bristle profile shape of the roller brush is cone or truncated cone-shaped；The roller brush rotation sweeps strip spraying back side border region to edge brush from interior.The utility model to strip be not sprayed-on face edge carry out brush sweep when; while removing clean edge powder; it is unaffected for the powder of strip edges end, will not be swept or be scraped away; the electrostatic powder Coil Coating Products marginal end portion after overbaking is set to have paint film protection; then strip its marginal end portion in engineering use process is not easy to be rusted, and ensure that the service performance of Coil Coating Products.
Description
Technical field
The utility model relates to electrostatic powder spraying fields, and in particular to a kind of strip spraying back side edge powder cleaning dress
It sets and electrostatic powder spraying device.
Background technique
Currently, most of Coil Coating Products are all made of the mode that solvent type liquid paint coats plate, volume at home.To disconnected
The production line that continuous steel plate, aluminium sheet or coil of strip, aluminium volume carry out the continuous electrostatic spraying of powder is fewer.
For electrostatic powder coating intercostal plate and the continuous roll bending of spraying, since plate, volume area are big, sprayer need to
Plate face sprays a large amount of powder simultaneously.This requires a large amount of compressed airs are used when dusty spray.Due to spray equipment mostly base
This carries electrostatic powder and vertically sprays to surface of steel plate perpendicular to plate face, volume face, the compressed air of ejection.Wherein most powder
It is attached to coiled sheet surface, the powder for being not adhered to coiled sheet surface is suppressed by compressed air, can be along strip face width
The translation of two side directions is floatd to plate (band) width edge.Being sprayed-on plate face edge also simultaneously has sprayer to spray powder.
The floating powder sail edge when because gas flowing reason can warp to the edge of strip another side, i.e., do not spray
Another side edge makes edge have apparent powder to adhere in very narrow width range.
Again since sprayer has high-pressure electrostatic electric field, make to spray powder carrying charge.And being sprayed-on plate (band) is to connect
Ground, so the powder for the carrying charge that sprayer sprays is equivalent to positive (or negative) pole of power supply, it is sprayed-on plate (band) and is equivalent to zero
Pole.Due to the attraction of electric field, the powder for the carrying charge that sprayer sprays easily is combined with plate (band) surface is sprayed-on, and is adhered to
Onto plate (band) face；And the electrically charged powder is easier to adhere to the place of electric-field strength on plate (band).Due to for metal
For surface, the place at tip is more many than smooth local electric-field strength, so for being sprayed-on for plate (band), plate (band) edge
It is similar to the tip of " blade ", electric field strength is most strong.So the powder for carrying charge is easier to assemble to plate (band) edge.Then in addition to
It is above-mentioned in edge because of air-flow reason warp to the powder of strip another side edge, there are also because of the relatively large reason powder of electric field
It is adsorbed on strip another side marginal portion.
And it is above-mentioned for interrupted steel plate, aluminium sheet and continuous slab, roll bending face in spraying its upper and lower surface need to spray it is different
The powder of color, so being adsorbed on plate, another plate face edge with institute's spray-coating surface because of air-flow warp or because of electric field for above-mentioned
Powder will dispose its another powder for not being sprayed-on face edge when just having sprayed a kind of this coloured powders of the face in time.
In order to avoid another face that is not sprayed-on occurs the mixed color phenomenon that two kinds of coloured powders mix when spraying another coloured powders.
So to solve the above-mentioned problems it is necessary in the other side of spray-coating surface setting edge clearing apparatus.Such as Fig. 1 and Fig. 2
It is shown, it is existing have a kind of rotating brush be set in the edge for the other side (strip does not spray side 5) for being sprayed-on 2 spray-coating surface of strip sweep dress
Set --- roller brush 3 reversely rotates (bristle and plate face contact position, bristle ends traffic direction and plate face operation side by roller brush 3
To on the contrary, the roller brush rotation round tangential direction 8 marked as shown in figure 1 is opposite with strip traffic direction 1), it will be sprayed-on plate in time
The powder brush of the edge attachment of the non-dusty spray side of zone face is swept, and it is dry that brush is swept to the powder collection got off using other devices
Only.The roller brush of this kind of pattern is one or more.Each brush roll rotation axis is parallel with strip face, and with strip traffic direction
Vertically.
Deficiency existing for this kind of device: since roller brush rotation axis is perpendicular to strip traffic direction, and the roller with bristle
The length of brush is greater than plate width, then the plane of the rotated formation of each bristle is painted for roller, is parallel to strip operation
Direction.Roller brush is then resulted in when brush sweeps the non-dusty spray face edge attaching powder of plate face, it is wide that length is more than or equal to strip
The bristle meeting scraping strip edges end of degree, scrapes away the powder for being adsorbed on strip edges end because of electric field, then strip side
Acies portion is just attached to without powder, then the electrostatic powder Coil Coating Products marginal end portion after overbaking does not have paint film protection, then plate
Band its marginal end portion in engineering use process is easily rusted, and is reduced the service performance of Coil Coating Products, is shortened the pot life.
Utility model content
In order to solve the above technical problems, the utility model provide a kind of strip spraying back side edge powder clearing apparatus and
Electrostatic powder spraying device.The strip spray back side edge powder clearing apparatus to strip be not sprayed-on face carry out brush sweep
When, while removing the face attaching powder and being allowed to clean, for the powder of strip edges end, make that its is unaffected, will not
It is swept or is scraped away, so that the electrostatic powder Coil Coating Products marginal end portion after overbaking is had paint film protection, then strip makes in engineering
It is not easy to be rusted with its marginal end portion in the process, ensure that the service performance of Coil Coating Products.
In the utility model for convenience, it has used referred to as " strip ", the strip refers both to the interrupted steel plate of plane
(including aluminizing, galvanized steel plain sheet), aluminium sheet and other non-ferrous metal boards, coil of strip (including aluminizing, zinc-plated coil of strip) (band), aluminium is rolled up and it
Its non-ferrous metal (band) etc..
In order to achieve the goal above, the utility model uses following technical scheme:
On the one hand the utility model provides a kind of strip spraying back side edge powder clearing apparatus, comprising: be set to strip
Spraying back side edge and the roller brush being in contact with it, the bristle profile shape of the roller brush are cone or truncated cone-shaped；
The roller brush rotation sweeps strip spraying back side border region to edge brush from interior.It is described from it is interior to edge brush sweep as
Direction brush from inside to outside is swept, and so may insure that the bristle of roller brush will not sweep the powder brush of strip edges end, thus
It ensure that there is the protection of paint film in strip edges end.
Preferably, the outer circle brush of the roller brush, which is swept range and can be brushed, sweeps to strip edges with inner 50mm, and does not include 0；It protects
Card be swept into strip spraying back side edge powder region, specific edge range is according to the size and electrostatic powder spraying feelings of strip
Condition setting.
Preferably, the roller brush includes two roller brushes for being respectively arranged at two opposing edge of strip.
Preferably, described two roller brushes are one group, and the roller brush includes one or more groups of；Preferably 1-4 group.
Preferably, the rotation axis of the roller brush and the strip spraying back side are formed by angular range at 10 °~70 °.It should
Angle is the angle of circle element of a cone and axis；Rotary table is then the angle intersected along bus and axis.
Preferably, the rotation axis of the roller brush is at the angle that the orthographic projection at the strip spraying back side and strip traffic direction are formed
Spending range is -20 °~+20 °.When the rotation axis of roller brush by conial vertex direction on earth towards on the inside of strip when be negative, court
It is positive when on the outside of to strip；Roller brush be truncated cone-shaped when, as the roundlet center of circle to the direction in the great circle center of circle towards strip inside when be
It is negative, towards strip on the outside of when be positive.
Preferably, the rotation axis of the roller brush is at the angle that the orthographic projection at the strip spraying back side and strip traffic direction are formed
Degree is 0 °, and orthographic projection of the rotation axis of roller brush at the strip spraying back side at this time is parallel with strip traffic direction.
Preferably, strip spraying back side edge powder clearing apparatus further includes follower；
The roller brush is mounted on the follower, is moved with mobile with the position of strip, to make the roller brush
Bristle always with strip spray rear-face contact.
On the other hand the utility model also provides a kind of electrostatic powder spraying device, including strip described above sprays the back side
Edge powder clearing apparatus.
Preferably, the electrostatic powder spraying device includes: spray room and the carrying roller outside spray room to supporting plate band；
The spray room is horizontal, vertical or be obliquely installed, including strip operation import and strip operation outlet；Roller brush position
It is run between outlet and the carrying roller in the strip.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is roller brush sweeping device in the prior art.
Fig. 2 is schematic cross-section of the Fig. 1 in A on direction.
Fig. 3 is the strip spraying back side edge powder clearing apparatus in one preferred embodiment of the utility model.
Fig. 4 is B shown in Fig. 3 to schematic diagram.
Fig. 5 is C shown in Fig. 3 to schematic diagram.
Fig. 6 is D shown in Fig. 3 to schematic diagram.
Description of symbols:
1- strip traffic direction；2- strip；3- roller brush；The angle of 4- roller brush axis and strip traffic direction；The spraying of 5- plate
The back side；6- truncated cone-shaped brush roll；7- spray room；8- roller brush direction of rotation；9- carrying roller；10- strip runs import；11- strip is run out
Mouthful；12- strip edges and with inner border region；Orthographic projection and strip of the rotation axis of 13- roller brush at the strip spraying back side
The angle of traffic direction.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
In addition, some nouns of locality being previously mentioned in embodiment in the present invention, for example, "left", "right", " upper left ",
" lower-left " etc., the meaning of these nouns of locality and the placement situation of strip are related, should not be construed as to scope of protection of the utility model
Limitation.
The whole utility model of the utility model is conceived are as follows: by the roller brush of strip edge be arranged conical or truncated cone-shaped,
Rotation axis is tilting, and roller brush brush is swept direction and swept with strip edges close to vertical brush from inside to outside, so that in the rotation of roller brush, bristle
The powder for sweeping to the absorption of strip edges end will not be brushed, then the strip edges end after overbaking is protected with paint film, is guaranteed
Strip its marginal end portion in engineering use process is not easy to be rusted, and ensure that the service performance of Coil Coating Products.
As a result, the utility model proposes overall plan are as follows: a kind of strip sprays back side edge powder clearing apparatus, packet
Include: the roller brush for being set to strip spraying back side edge and being in contact with it, the bristle profile shape of the roller brush are cone or circle
Platform shape；The roller brush rotation sweeps strip spraying back side border region to edge brush from interior.It is described to be served as reasons from interior swept to edge brush
Direction brush from inside to outside is swept, and so may insure that the bristle of roller brush will not sweep the powder brush of strip edges end, to protect
The protection that there is paint film in strip edges end is demonstrate,proved.
Wherein, strip sprays back side border region fingerboard belt edge with the range of inner 50mm (not including 0).Described in requiring
The outer circle brush of roller brush, which is swept range and can be brushed, sweeps to strip edges with inner 50mm (not including 0)；Guarantee is swept into the strip spraying back side
Edge powder region.Specific edge range is set according to the size and electrostatic powder spraying situation of strip.
Under normal circumstances, the roller brush includes two roller brushes for being respectively arranged at two opposing edge of strip, can brush and sweep plate
Two edge of band；Unilateral edge can be only arranged in certain those skilled in the art completely, and the other side is carried out in conjunction with other equipment
Coordinating operation.Preferably, described two roller brushes are one group, and the roller brush includes one or more groups of；It multiple can brush and sweep when multiple groups.
Preferably 1-4 group.
Further, in order to facilitate the fixed installation of roller brush rotary shaft, rotation axis and the strip spraying of the roller brush are carried on the back
Face is formed by angular range at 10 °~70 °.Angle characterization be circular cone or rotary table half-angle of projection size, i.e. circular cone
The angle of bus and axis；Rotary table is then the angle intersected along bus and axis.The rotation axis of the roller brush is sprayed in strip and is carried on the back
The angular range that the orthographic projection in face and strip traffic direction are formed is -20 °~+20 °.When the rotation axis of roller brush is by conial vertex
Be negative when direction on earth is towards on the inside of strip, towards strip on the outside of when be positive；When roller brush is truncated cone-shaped, the as roundlet center of circle is arrived
Be negative when the direction in the great circle center of circle is towards on the inside of strip, towards strip on the outside of when be positive.Preferably, the rotation axis of the roller brush
It is 0 ° in the angle that the orthographic projection at the strip spraying back side and strip traffic direction are formed, the rotation axis of roller brush is sprayed in strip at this time
The orthographic projection for applying the back side is parallel with strip traffic direction.
Due to strip in the process of running may because tension variation or deviation correcting device movement occur integral elevating float or
Unilateral edge lifting is floated, it is preferable that the strip spraying back side edge powder clearing apparatus of the utility model further includes follower
Structure；The roller brush is mounted on the follower, is moved with mobile with the position of strip, to make the bristle of the roller brush
Always rear-face contact is sprayed with strip.
The two roller circular cones or rotary table roller brush brush configuration of the utility model, due to the bristle brush of the conical rollers brush in edge
Direction and strip traffic direction are swept close to vertical, the rotation of side portion roller brush is not sprayed in strip, utilizes its bristle and strip edge
Contact, tangential brush is swept from inside to outside, and the motion profile of bristle, i.e. its rotating operation direction are can not to touch plate width edge
End, so the powder with electrostatic adsorbed in plate width marginal end portion will not be swept by brush.Then after overbaking
Strip edges end is protected with paint film, ensure that strip its marginal end portion in engineering use process is not easy to be rusted, and is guaranteed
The service performances of Coil Coating Products.
Specifically, the utility model provides a preferred embodiment, as shown in Fig. 3, Fig. 4 and Fig. 5, this preferred embodiment is mentioned
For a kind of electrostatic powder spraying device, to the carrying roller 9 of supporting plate band 2 including spray room 7 and outside spray room；
The spray room 7 includes strip operation import 10 and strip operation outlet 11；The roller brush is located at strip operation outlet
Between 11 and carrying roller 9.The roller brush that roller brush is set to the strip spraying back side 5 and contacts with edge.
Roller brush therein includes the truncated cone-shaped roller brush 6 that two bristle profile shapes are truncated cone-shaped, and bristle brush sweeps range and includes
Strip edges and with inner border region 12 (as shown in Figure 5) can clean obvious powder region, so as to the spray of cleaning board band
Apply the border region at the back side 5.
As shown in figure 4, marked in angle such as figure that the rotation axis of truncated cone-shaped roller brush 6 and strip traffic direction are formed 4,
It is 45 °.The rotation axis of roller brush as shown in Figure 6 forms -20 ° of angle in the orthographic projection at the strip spraying back side and strip traffic direction
Degree, the rotary axis direction from the rotary table roundlet center of circle to the great circle center of circle is towards in strip at this time, the lower left as drawn in figure, when
So, which can be with great circle towards upper left side, at this point, from the rotary table roundlet center of circle to the rotary axis direction court in the great circle center of circle
It is positive-angle to outside strip.In addition, the truncated cone-shaped roller brush 6 in this preferred embodiment is great circle after strip traffic direction
End, roundlet in the front end of strip traffic direction, skilled addressee readily understands that, putting the cart before the horse for truncated cone-shaped roller brush 6 is same
The purpose of this utility model may be implemented in sample, roller brush at this time or so mirror settings.In Fig. 3-Fig. 5, which is 0 °,
That is orthographic projection of the rotation axis at the strip spraying back side is parallel with strip traffic direction.
It is similar that truncated cone-shaped roller brush 6 in this preferred embodiment is changed to conical situation.
Due to roller brush bristle when brush sweeps strip back side edge its brush sweep direction and cut from inside to outside perpendicular to strip direction
It is swept to brush, then brush scans out the powder come and laterally thrown away substantially along perpendicular to strip traffic direction by bristle, is especially advantageous for
Strip two sides setting recycling suction unit suction powder, improves powder aspiration rates, guarantees clean surrounding environment.It simultaneously can be in roller
Larger space is vacateed to facilitate and its rotation drive device is arranged in brush obliquely downward.So the structure is more friendly.
In addition, for strip in the process of running along perpendicular to its traffic direction, i.e. width direction while moving, it can also
Roller brush is mounted on width position follower, guarantee that roller brush position and plate width position are relatively fixed.
It, can also meanwhile for strip in the process of running along perpendicular to its traffic direction, i.e. short transverse while moving
Roller brush is mounted on height and position follower, guarantee that roller brush bristle is contacted with the strip edge back side always always,
Realize that brush sweeps function.Certain follower can drive roller brush mobile with the movement of strip all directions, will not be because of strip
Because tension variation or deviation correcting device movement generate, there is integral elevating floating in strip or unilateral edge lifting is floated but roller brush brush
Hairbrush is swept less than the strip back side.
In preferred embodiment above, the two roller brushes drawn in figure are one group of roller, and those skilled in the art are easy reason
Solution, in order to improve the clean-up performance that brush is swept, multiple groups roller brush, preferably 1-4 group can be set.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (10)
1. a kind of strip sprays back side edge powder clearing apparatus characterized by comprising be set to strip spraying back side edge
And the roller brush being in contact with it, the bristle profile shape of the roller brush are cone or truncated cone-shaped；
The roller brush rotation sweeps strip spraying back side border region to edge brush from interior.
2. strip according to claim 1 sprays back side edge powder clearing apparatus, which is characterized in that outside the roller brush
Circle brush, which is swept range and can be brushed, sweeps to strip edges with inner 50mm, and does not include 0.
3. strip according to claim 2 sprays back side edge powder clearing apparatus, which is characterized in that the roller brush includes
It is respectively arranged at two roller brushes of two opposing edge of strip.
4. strip according to claim 3 sprays back side edge powder clearing apparatus, which is characterized in that described two roller brushes
It is one group, the roller brush includes one or more groups of.
5. strip according to claim 1 to 4 sprays back side edge powder clearing apparatus, which is characterized in that the roller
Rotation axis and strip the spraying back side of brush are formed by angular range at 10 °~70 °.
6. strip according to claim 5 sprays back side edge powder clearing apparatus, which is characterized in that the rotation of the roller brush
Shaft axis is -20 °~+20 ° in the angular range that the orthographic projection at the strip spraying back side and strip traffic direction are formed.
7. strip according to claim 6 sprays back side edge powder clearing apparatus, which is characterized in that the rotation of the roller brush
Shaft axis is 0 ° in the angle that the orthographic projection at the strip spraying back side and strip traffic direction are formed.
8. strip according to claim 6 sprays back side edge powder clearing apparatus, which is characterized in that strip spraying back
Face edge powder clearing apparatus further includes follower；
The roller brush is mounted on the follower, is moved with mobile with the position of strip, to make the brush of the roller brush
Hair sprays rear-face contact with strip always.
9. any one of a kind of electrostatic powder spraying device, including claim 1-8 the strip spraying back side edge powder clean
Device.
10. electrostatic powder spraying device according to claim 9, which is characterized in that the electrostatic powder spraying device packet
It includes: spray room and the carrying roller outside spray room to supporting plate band；
The spray room is horizontal, vertical or be obliquely installed, including strip operation import and strip operation outlet；The roller brush is located at institute
It states between strip operation outlet and the carrying roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267738.2U CN209647072U (en) | 2019-03-04 | 2019-03-04 | Strip sprays back side edge powder clearing apparatus and electrostatic powder spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267738.2U CN209647072U (en) | 2019-03-04 | 2019-03-04 | Strip sprays back side edge powder clearing apparatus and electrostatic powder spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209647072U true CN209647072U (en) | 2019-11-19 |
Family
ID=68525863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920267738.2U Active CN209647072U (en) | 2019-03-04 | 2019-03-04 | Strip sprays back side edge powder clearing apparatus and electrostatic powder spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209647072U (en) |
-
2019
- 2019-03-04 CN CN201920267738.2U patent/CN209647072U/en active Active
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