CN102430490B - Charge device for self-centering clamping by air guidance - Google Patents
Charge device for self-centering clamping by air guidance Download PDFInfo
- Publication number
- CN102430490B CN102430490B CN201110297023.XA CN201110297023A CN102430490B CN 102430490 B CN102430490 B CN 102430490B CN 201110297023 A CN201110297023 A CN 201110297023A CN 102430490 B CN102430490 B CN 102430490B
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- Prior art keywords
- base
- electrode ring
- claw
- nozzle
- claws
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Links
- 210000000078 claw Anatomy 0.000 claims abstract description 30
- 210000004907 gland Anatomy 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims abstract 5
- 238000007906 compression Methods 0.000 claims abstract 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 20
- 238000010586 diagram Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
本发明涉及荷电领域，其包括：底座、旋定盘、垫片、锁紧盖、卡爪、基座、压紧盖、电极环压盖、电极环、进气孔、出气孔，其特征是用卡爪夹紧喷嘴，三个卡爪周向等分均布安装在底座里，卡爪与旋定盘之间用平面螺纹连接，用锁紧盖、垫片锁紧旋定盘。基座与卡爪用螺栓连接。电极环压盖与基座用螺纹连接，固定电极环。压紧盖与基座用螺纹连接，基座上设有压缩空气进气孔，在压紧盖上密布出气孔，利用压缩气体导流使荷电液滴的运动局限在气幕内，电极环保持干燥，荷电效果稳定；利用平面螺纹等螺距的特点，实现不同尺寸喷嘴自定心夹紧，电极环尺寸小，较低的荷电电压即可获得良好的荷电效果，该装置具有喷嘴装夹方便，荷电效率高的优点。
The invention relates to the field of charging, which includes: a base, a rotating disk, a gasket, a locking cover, a claw, a base, a pressing cover, an electrode ring gland, an electrode ring, an air inlet hole, and an air outlet hole. The nozzle is clamped with claws, and the three claws are installed in the base evenly distributed in the circumferential direction. The claws and the fixed disk are connected by flat threads, and the fixed disk is locked with a locking cover and a gasket. The base and the jaws are connected with bolts. The electrode ring gland is connected with the base by threads to fix the electrode ring. The compression cover and the base are connected by threads, the base is provided with compressed air inlet holes, and the compression cover is densely covered with air outlet holes, and the movement of the charged liquid droplets is confined in the air curtain by using compressed gas diversion, and the electrode ring keeps Dry, stable charging effect; using the characteristics of flat thread and equal pitch, realize self-centering clamping of nozzles of different sizes, small electrode ring size, low charging voltage can obtain good charging effect, the device has a nozzle installation The advantages of convenient clamping and high charging efficiency.
Description
Technical field
The present invention relates to electrostatic charged spray field, refer in particular to and utilize high pressure draught formation air curtain to realize water conservancy diversion to charged drop, flat thread drives claw to move radially the integrated charge device of self-centering clamping nozzle.
Background technology
In different engineering applications, the size of droplet is had to different requirements, need to select suitable nozzle.Form of nozzle is various, and size is also different, and fixture that need be different for different designs of nozzles in nozzle type Selection Test, works complicated.In Chinese patent CN1814474 " on-board high-voltage electrostatic multifunctional sprinkling machine ", nozzle, electrode mounting means are difficult to guarantee installation accuracy, nozzle axial line not exclusively overlaps with electrode axial line, and electrode retaining collar size is larger, guarantee the higher charged voltage of the effective charged needs of drop group.
At present in electrostatic charged spray field the most frequently used charged mode to mainly contain contact charged charged with induction type.As patent US5922131 " Electrostatic powder spray coating apparatus with rotating spray orifice ", WO 2007111120 (A1) " Electrostatic atomization device " adopts contact charged, liquid directly contacts with electrode, Insulation Problems is difficult to resolve certainly, therefore, contact Charging Techniques is applicable to powder or the lower liquid of conductance.Induction type is charged utilizes high-pressure electrostatic on ring-type, needle-like or needle ring compound electrode band to form high voltage electric field conventionally, when drop process high voltage electric field, brings electric charge, and this charged mode liquid does not directly contact with electrode.Electrode is exposed in air conventionally, and due to the effect of electrostatic force, partial state of charge droplet deposition greatly reduces charged effect to electrode surface.Chinese patent CN2920427 " composite charging electrostatic spraying device ", for avoiding this situation, is arranged on electrode in insulating barrier, and induction field intensity is low, and charged effect is undesirable.
Summary of the invention
For fear of with overcome above-mentioned deficiency, the object of this invention is to provide a kind of convenient mounting and clamping, charge device for self-centering clamping by air guidance that charged efficiency is high, be applicable to the clamping of different size nozzle, gas flow guiding forms air curtain, electrode retaining collar keeps dry, and electrode retaining collar size is little, required charged voltage is low, can realize efficiently charged.
Charge device for self-centering clamping by air guidance comprises: base, revolve price fixing, pad, tightening cover, claw, pedestal, friction top, electrode retaining collar gland, electrode retaining collar, air admission hole, venthole, it is characterized in that clamping nozzle with claw, three uniform being arranged in base of the circumferential decile of claw, claw with revolve the flat thread with uniform pitch between price fixing and be connected, with tightening cover, pad locking rotating price fixing.Pedestal is connected with bolt with claw, and friction top is with pedestal with being threaded, and pedestal is provided with compressed air air admission hole, and venthole gathers on friction top.Electrode retaining collar gland with pedestal with being threaded, fixed electrode ring.
The course of work of the present invention is, because the line style of flat thread is Archimedes spiral, its pitch equates, circumferentially the uniform three-jaw radial motion distance of decile equates there is self centering effect.Three claws with revolve price fixing flat thread and be connected, price fixing is revolved in rotation, revolve price fixing drives three claws to do radial motion simultaneously, put into nozzle, screw successively price fixing and tightening cover, can realize nozzle self-centering clamping, and to not requirement of jet size, the nozzle of different sizes all can be realized self-centering clamping.Pedestal all adopts with electrode retaining collar gland the formation one that is threaded with friction top, pedestal, and pedestal is connected with bolt with claw.For avoiding causing on charged droplet deposition electrode the phenomenon of charged effect decline, introduce compressed air stream and form air curtain, make aerodynamic force be greater than the effect of electrostatic force, guide charged drop to move in air curtain, assurance electrode retaining collar is dry not to be wet, and obtains stable charged effect with this.
Advantage of the present invention is:
(1) utilize Compressed Gas water conservancy diversion that the motion of charged drop is confined in air curtain, electrode retaining collar keeps dry, charged effect stability;
(2) utilize the feature of flat thread uniform pitch, realize different size nozzle self-centering clamping;
(3) compact conformation, electrode size is little, and charged efficiency is high, can obtain good charged effect under lower charged voltage, saves the energy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 revolves disc setting surface flat thread schematic diagram.
Fig. 3 is claw structure schematic diagram.
Fig. 4 is claw and base assembly structure schematic diagram.
In figure, 1. electrode retaining collar gland 2. air admission hole 3. friction top 4. pedestal 5. bases 6. revolve price fixing 7. pad 8. tightening cover 9. claw 10. bolt 11. venthole 12. electrode retaining collars.
The specific embodiment
Gas flow guiding formula self-centering clamping charge device comprises: base 5, revolve price fixing 6, pad 7, tightening cover 8, claw 9, pedestal 4, friction top 3, venthole 11, electrode retaining collar gland 1, air admission hole 2, electrode retaining collar 12, bolt 10.Clamp nozzle with claw 9, three uniform 5 li of bases that are arranged on of the circumferential decile of claw 9, claw 9 is connected with flat thread with revolving between price fixing 6, with tightening cover 8, pad 7 locking rotating price fixings 6.Pedestal 4 is connected with claw 9 use bolts 10, and friction top 3 is threaded with pedestal 4 use.Electrode retaining collar gland 1 is threaded with pedestal 4 use, fixed electrode ring 12.Pedestal 4 is provided with compressed air air admission hole 2, and venthole 11 gathers on friction top.
When use, unclamp tightening cover 8, rotate and revolve price fixing 6, revolve price fixing 6 and drive three claws 9 to make radially centrifugal motion simultaneously, put into nozzle, oppositely screw price fixing 8, three claws 9 are done radial centripetal motion simultaneously, screw tightening cover 8 after clamping again, realize the self-centering clamping of nozzle.In pedestal 4, put into electrode retaining collar 12, screw electrode retaining collar gland 1 fixed electrode ring 12.Friction top 3 is threaded with pedestal 4 use, screws friction top 3, and Compressed Gas enters from air admission hole 2, venthole 11 densely covered from friction top flows out, form air curtain, the drop that nozzle atomization forms can only move in air curtain, guarantees thus that electrode retaining collar 13 is dry not wet.Finally pedestal 4 is connected with claw 9 use bolts.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110297023.XA CN102430490B (en) | 2011-09-30 | 2011-09-30 | Charge device for self-centering clamping by air guidance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110297023.XA CN102430490B (en) | 2011-09-30 | 2011-09-30 | Charge device for self-centering clamping by air guidance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102430490A CN102430490A (en) | 2012-05-02 |
| CN102430490B true CN102430490B (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110297023.XA Expired - Fee Related CN102430490B (en) | 2011-09-30 | 2011-09-30 | Charge device for self-centering clamping by air guidance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102430490B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285938B (en) * | 2014-10-29 | 2016-09-14 | 江苏大学 | A charging device for aviation electrostatic nozzle |
| CN114345571B (en) * | 2021-12-23 | 2023-02-17 | 江苏大学 | An air-assisted ultrasonic magnetization electrostatic nozzle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2205312A1 (en) * | 1996-05-24 | 1997-11-24 | Gerald Haas | Electrostatic spray device |
| CN1750919A (en) * | 2003-02-20 | 2006-03-22 | 京特金属加工两合公司 | Needle valve nozzle |
| CN1814474A (en) * | 2006-03-06 | 2006-08-09 | 江苏大学 | On-board high-voltage electrostatic multifunctional sprinkling machine |
| CN1988752A (en) * | 2005-12-21 | 2007-06-27 | 依赛彼集团公司 | Plasma arc torch, and methods of assembling and disassembling a plasma arc torch |
| CN2920427Y (en) * | 2006-06-23 | 2007-07-11 | 河南农业大学 | Composite charging electrostatic spray device |
| EP1964614A1 (en) * | 2005-12-22 | 2008-09-03 | Matsushita Electric Works, Ltd. | Electrostatic atomizer and food preserving cabinet with electrostatic atomizer |
| CN201579448U (en) * | 2009-11-13 | 2010-09-15 | 江苏力源金河铸造有限公司 | Self-centering chuck |
| CN201760374U (en) * | 2010-08-12 | 2011-03-16 | 新兴重工湖北三六一一机械有限公司 | Automatic centering device for electrostatic spraying of metal pipe inner cavity |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3975272B2 (en) * | 2002-02-21 | 2007-09-12 | 独立行政法人産業技術総合研究所 | Ultrafine fluid jet device |
| JP4645501B2 (en) * | 2006-03-29 | 2011-03-09 | パナソニック電工株式会社 | Electrostatic atomizer |
-
2011
- 2011-09-30 CN CN201110297023.XA patent/CN102430490B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2205312A1 (en) * | 1996-05-24 | 1997-11-24 | Gerald Haas | Electrostatic spray device |
| CN1750919A (en) * | 2003-02-20 | 2006-03-22 | 京特金属加工两合公司 | Needle valve nozzle |
| CN1988752A (en) * | 2005-12-21 | 2007-06-27 | 依赛彼集团公司 | Plasma arc torch, and methods of assembling and disassembling a plasma arc torch |
| EP1964614A1 (en) * | 2005-12-22 | 2008-09-03 | Matsushita Electric Works, Ltd. | Electrostatic atomizer and food preserving cabinet with electrostatic atomizer |
| CN1814474A (en) * | 2006-03-06 | 2006-08-09 | 江苏大学 | On-board high-voltage electrostatic multifunctional sprinkling machine |
| CN2920427Y (en) * | 2006-06-23 | 2007-07-11 | 河南农业大学 | Composite charging electrostatic spray device |
| CN201579448U (en) * | 2009-11-13 | 2010-09-15 | 江苏力源金河铸造有限公司 | Self-centering chuck |
| CN201760374U (en) * | 2010-08-12 | 2011-03-16 | 新兴重工湖北三六一一机械有限公司 | Automatic centering device for electrostatic spraying of metal pipe inner cavity |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2004-165587A 2004.06.10 |
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| CN102430490A (en) | 2012-05-02 |
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Granted publication date: 20140528 Termination date: 20170930 |