CN102430490B - Charge device for self-centering clamping by air guidance - Google Patents

Charge device for self-centering clamping by air guidance Download PDF

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Publication number
CN102430490B
CN102430490B CN 201110297023 CN201110297023A CN102430490B CN 102430490 B CN102430490 B CN 102430490B CN 201110297023 CN201110297023 CN 201110297023 CN 201110297023 A CN201110297023 A CN 201110297023A CN 102430490 B CN102430490 B CN 102430490B
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base
ring
electrode
nozzle
self
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CN 201110297023
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CN102430490A (en
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王晓英
王军锋
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江苏大学
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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。 The present invention relates to the field of electrical charge, comprising: a base, rotating platen, the spacer, the locking lid, the claw, the base, the pressing cover, gland ring electrodes, ring electrodes, inlet holes, outlet holes, characterized in clamping jaws nozzle, three jaws are circumferentially aliquot cloth mounted on the base, the connection between the card and the pawl rotary plane surface plate with threaded locking cap with the gasket locking screw fixing. 基座与卡爪用螺栓连接。 And the base jaw with bolts. 电极环压盖与基座用螺纹连接,固定电极环。 Electrode ring gland screwed to the base, the fixed electrode ring. 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。 Compression cap threadedly connected to the base, a compressed air inlet hole provided on the base, the pressing cover vent clouds, so that compressed gas flow of charged droplets confined to the movement of air curtain to maintain the ring electrode dried, charged stabilizing effect; by a planar screw thread pitch characteristics, to achieve self-centering nozzle gripping different sizes, the small size of the ring electrode, a lower charge voltage charged to obtain good results, the device having a nozzle means clip, easy, charged high efficiency advantages.

Description

气体导流自定心夹紧荷电装置 Gas guide self-centering clamping device of charge

技术领域 FIELD

[0001] 本发明涉及荷电喷雾领域,特指利用高压气流形成气幕对荷电液滴实现导流,平面螺纹带动卡爪径向移动自定心夹紧喷嘴的一体化荷电装置。 [0001] The present invention relates to the field of charged spray, especially using a high pressure gas stream to form an integrated charging means to achieve an air curtain flow, the plane of the threaded drive pawl charged droplets move radially self-centering nozzle gripping.

背景技术 Background technique

[0002] 在不同的工程应用领域,对雾滴的大小有不同的要求,需要选择合适的喷嘴。 [0002] In various engineering applications, have different requirements on droplet size, it is necessary to select suitable nozzle. 喷嘴形式多样,尺寸大小也各不相同,在喷嘴选型试验中需针对不同的喷嘴设计不同的固定装置,工作繁复。 Forms a nozzle, the size can vary, the need for different fastening means different nozzle designs, complicated work in the nozzle selection test. 中国专利CN1814474 “车载高压静电多功能喷洒机”中喷嘴、电极安装方式难以保证安装精度,喷嘴轴心线与电极轴心线不完全重合,并且电极环尺寸较大,要保证液滴群有效荷电需要较高的荷电电压。 Chinese Patent CN1814474 "multifunction high voltage electrostatic sprayer vehicle" in the nozzle, the electrode mounting is difficult to ensure the installation precision, and the electrode axis of the nozzle is not completely coincide with the shaft axis, and the electrode ring size larger population of droplets to ensure effective charge electric charge requires a higher voltage.

[0003]目前荷电喷雾领域中最常用的荷电方式主要有接触式荷电与感应式荷电。 [0003] currently charged spray area of ​​the most commonly used way to charge the main contact with the induction of charge of charge. 如专利US5922131 “Electrostatic powder spray coating apparatus with rotating sprayorifice”, WO 2007111120 (Al) “Electrostatic atomization device”米用接触式荷电,液体与电极直接接触,绝缘问题较难解决,因此,接触式荷电方法适用于粉体或导电率较低的液体。 Patent US5922131 "Electrostatic powder spray coating apparatus with rotating sprayorifice", WO 2007111120 (Al) "Electrostatic atomization device" m using a contact charge, the liquid in direct contact with the electrode, insulation problems more difficult to solve, therefore, the contact charging method are powder or a suitable low conductivity of the liquid. 感应式荷电通常利用环状、针状或针环组合电极带上高压静电形成高压电场,液滴经过高压电场时带上电荷,这种荷电方式液体与电极不直接接触。 Inductive charge typically utilize cyclic, acicular or needle electrode belt ring assembly with high voltage electrostatic field is formed a high voltage, high voltage electric field passes droplets electrically charged, charged this way liquid does not directly contact with the electrode. 电极通常暴露在空气中,由于静电力的作用,部分荷电液滴沉积到电极表面大大降低了荷电效果。 The electrodes are typically exposed to air, due to the electrostatic force, part of charged droplets is deposited on the electrode surface greatly reduces the effect of charge. 中国专利CN2920427 “复合充电静电喷雾装置”为避免这种情况,将电极安装在绝缘层内,感应电场强度低,荷电效果不理想。 Chinese Patent CN2920427 "complex charged electrostatic spray device" To avoid this, the electrodes are mounted in the insulating layer, a low induction electric field strength, the electric charge is not ideal.

发明内容 SUMMARY

[0004] 为了避免和克服上述不足,本发明的目的是提供一种装夹方便、荷电效率高的气体导流自定心夹紧荷电装置,适用于不同尺寸喷嘴的装夹,气体导流形成气幕,电极环保持干燥,且电极环尺寸小,所需荷电电压低,可实现高效荷电。 [0004] In order to avoid and overcome the above deficiencies, an object of the present invention is to provide a clamping convenient, high efficiency of the gas flow charged self-centering clamping apparatus charged for clamping different size of the nozzle, the gas guide air curtain flow forming, dry electrode ring, the ring electrode and smaller size, a desired charge voltage is low, the efficient charge.

[0005] 气体导流自定心夹紧荷电装置包括: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等螺距的平面螺纹连接,用锁紧盖、垫片锁紧旋定盘。 Means [0005] The self-centering clamping the gas flow charge comprising: a base, rotating platen, the spacer, the locking lid, the claw, the base, the pressing cover, gland ring electrodes, ring electrodes, inlet port , vent, characterized in that the nozzle clamping jaws, three jaws are circumferentially aliquot cloth mounted on the base, the plane of the thread pitch with an equal rotation between the pawl and the fixed plate is connected with a locking cap, fixing the gasket locking screw. 基座与卡爪用螺栓连接,压紧盖与基座用螺纹连接,基座上设有压缩空气进气孔,压紧盖上密布出气孔。 And the base jaw bolted, pressing the lid and the base are screwed, the compressed air inlet hole provided on the base, the pressing cover vent clouds. 电极环压盖与基座用螺纹连接,固定电极环。 Electrode ring gland screwed to the base, the fixed electrode ring.

[0006] 本发明的工作过程是,由于平面螺纹的线型为阿基米德螺线,其螺距相等,周向等分均布的三爪径向运动距离相等,有自动定心的作用。 [0006] The operation of the present invention, since the planar line is threaded Archimedean spiral, which is equal to the pitch, the circumferential direction is equal aliquots equispaced radial jaw movement distance, there is a self-centering effect. 三个卡爪与旋定盘用平面螺纹连接,转动旋定盘,旋定盘带动三个卡爪同时作径向运动,放入喷嘴,依次旋紧旋定盘和锁紧盖,即可实现喷嘴自定心夹紧,并且对喷嘴尺寸没有要求,不同大小的喷嘴均可实现自定心夹紧。 And three jaws rotating with the plane surface plate threaded connection, rotation of the rotating platen, platen rotary drive three jaws simultaneous radial movement, into a nozzle, in turn tighten and lock the cover fixing screw, can be realized the self-centering clamping of the nozzle, and there is no requirement for the size of the nozzle, the nozzle may be of different sizes to achieve self-centering clamping. 基座与压紧盖、基座与电极环压盖均采用螺纹连接形成一体,基座与卡爪用螺栓连接。 Pressing the base and the lid, the base and the lid are threaded ring electrode is connected integrally formed, and the base jaw with bolts. 为避免荷电液滴沉积电极上引起荷电效果下降的现象,引入压缩气流形成气幕,使气动力大于静电力的作用,引导荷电液滴在气幕内运动,保证电极环干燥不受湿,以此获得稳定的荷电效果。 For the avoidance of depositing an electrode on the charged droplet phenomenon charge effect is reduced, introducing the compressed gas stream to form a gas curtain, so that gas force is larger than the electrostatic force, to guide movement of charged droplets in the air curtain to ensure that the ring electrode from wet sulfate in order to obtain a stable charge effect.

[0007] 本发明的优点是: [0007] The advantage of the present invention are:

[0008] (I)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; Motion [0008] (I) so that compressed gas flow of charged droplets confined to the air curtain, the ring electrode kept dry, charged stabilizing effect;

[0009] (2)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; [0009] (2) using the characteristics of a plane like the thread pitch, to achieve self-centering nozzle gripping different sizes;

[0010] (3)结构紧凑,电极尺寸小,荷电效率高,在较低荷电电压下即可获得良好的荷电效果,节约能源。 [0010] (3) compact, small size of the electrode, a high efficiency of charge, to get good results at a lower charge charge voltage, energy conservation.

附图说明 BRIEF DESCRIPTION

[0011] 下面结合附图和实施例对本发明作进一步说明。 Drawings and embodiments of the present invention will be further described [0011] below in conjunction.

[0012] 图1是本发明实施例的结构示意图。 [0012] FIG. 1 is a block diagram of an embodiment of the present invention.

[0013] 图2是旋定盘表面平面螺纹不意图。 [0013] FIG. 2 is a plane surface of a threaded rotating platen is not intended.

[0014] 图3是卡爪结构示意图。 [0014] FIG. 3 is a schematic view of the claw structure.

[0015] 图4是卡爪与底座装配结构示意图。 [0015] FIG. 4 is a schematic view of the pawl assembly with the base structure.

[0016] 图中,1.电极环压盖2.进气孔3.压紧盖4.基座5.底座6.旋定盘7.垫片8.锁紧盖9.卡爪10.螺栓11.出气孔12.电极环。 [0016] FIG, 1. 2. The inlet hole electrode ring gland compression cap 3. 4. 5. chassis base 6. Rotary shim 8. 7. platen cover locking pawl 10. The bolt 9. 11. 12. a vent ring electrode.

具体实施方式 Detailed ways

[0017] 气体导流式自定心夹紧荷电装置包括:底座5、旋定盘6、垫片7、锁紧盖8、卡爪9、基座4、压紧盖3、出气孔11、电极环压盖1、进气孔2、电极环12、螺栓10。 [0017] Self-centering clamping the gas flow charge means comprises: a base 5, a rotating platen 6, the spacer 7, the locking cap 8, the pawl 9, the base 4, the pressing lid 3, a hole 11 , gland ring electrode 1, inlet port 2, a ring electrode 12, the bolt 10. 用卡爪9夹紧喷嘴,三个卡爪9周向等分均布安装在底座5里,卡爪9与旋定盘6之间用平面螺纹连接,用锁紧盖8、垫片7锁紧旋定盘6。 The clamping jaws with the nozzle 9, three jaws 9 aliquots are circumferentially mounted on the base cloth 5, the threaded connection between the flat jaws 9 and 6 rotating surface plate, with a locking cap 8, the lock washer 7 6 screwed tight fixing. 基座4与卡爪9用螺栓10连接,压紧盖3与基座4用螺纹连接。 4 is connected to the base 9 by bolts pawl 10, pressing the cover 3 and the base 4 with a threaded connection. 电极环压盖I与基座4用螺纹连接,固定电极环12。 I gland ring and the base electrode 4 by a threaded connection, the fixed electrode ring 12. 基座4上设有压缩空气进气孔2,在压紧盖上密布出气孔11。 4 is provided with a compressed air inlet port on the base 2, the pressing cover 11 vent clouds.

[0018] 基座4、压紧盖3、和电极环压盖I均采用绝缘材料,基座张角为100°,出气孔张角略小于基座张角,并保证气流不接触电极环。 [0018] The base 4, the pressing lid 3, the lid ring I and the electrode are made of an insulating material, the base opening angle of 100 °, the hole is slightly smaller than the opening angle opening angle of the base, and to ensure that the air flow does not contact the electrode ring.

[0019] 使用时,松开锁紧盖8,转动旋定盘6,旋定盘6带动三个卡爪9同时作径向离心运动,放入喷嘴,反向旋紧旋定盘8,三个卡爪9同时作径向向心运动,夹紧后再旋紧锁紧盖8,实现喷嘴的自定心夹紧。 [0019] In use, release the locking cover 8, fixing screw 6 rotates, driven by three rotating platen 6 while the jaws 9 radially centrifugal movement, into the nozzle, the reverse screwing fixing screw 8, three a pawl 9 while moving radially to the heart, and then tighten the clamp locking cap 8, to achieve self-centering nozzle gripping. 在基座4内放入电极环12,旋紧电极环压盖I固定电极环12。 Ring electrode placed within the base 412, the electrode ring screwed gland I fixed electrode ring 12. 压紧盖3与基座4用螺纹连接,旋紧压紧盖3,压缩气体从进气孔2进入,从压紧盖上密布的出气孔11流出,形成气幕,喷嘴雾化形成的液滴只能在气幕内运动,由此保证电极环13干燥不受湿。 Pressing the cover 3 and the base 4 with a threaded connection, the pressing lid 3 is screwed, the compressed gas from the inlet port 2, flows out from the hole 11 of the pressing cover dense, form a gas curtain, liquid atomization nozzle formed dropping only the air curtain movement, thereby ensuring that the electrode ring 13 from wet drying. 最后将基座4与卡爪9用螺栓连接。 Finally, the base 49 is connected to the pawl bolt.

Claims (2)

1.气体导流自定心夹紧荷电装置,它包括:底座(5)、旋定盘(6)、垫片(7)、锁紧盖(8)、卡爪(9)、基座(4)、压紧盖(3)、电极环压盖(I)、电极环(12)、进气孔(2)、出气孔(11),螺栓(10),用卡爪(9)夹紧喷嘴,三个卡爪(9)周向等分均布安装在底座(5)里,卡爪(9)与旋定盘(6)之间用平面螺纹连接,用锁紧盖(8)、垫片(7)锁紧旋定盘(6);基座(4)与卡爪(9)用螺栓连接,压紧盖(3)与基座(4)用螺纹连接,电极环压盖(I)与基座(4)用螺纹连接,固定电极环(12);基座(4)上设有压缩空气进气孔(2),在压紧盖(3)上密布出气孔(11)。 1. Self-centering clamping the gas flow charge means, comprising: a base (5), rotating surface plate (6), the spacer (7), a locking cap (8), pawl (9), the base (4), the pressing lid (3), the electrode ring gland (the I), a ring electrode (12), inlet hole (2), the hole (11), a bolt (10), a pawl (9) clamp tight nozzle, three jaws (9) are equally divided circumferentially mounted on the base cloth (5), the threaded connection between the plane (9) and the rotating surface plate (6) the jaw, with a locking cap (8) , the spacer (7) fixing the locking screw (6); a base (4) and the pawl (9) is bolted, the pressing lid (3) and the base (4) with a threaded connection electrode ring gland (I) and a base (4) with a threaded connection, the fixed electrode ring (12); the base is provided with a compressed air inlet hole (2), the hole in clouds pressing lid (3) (11 (4) ).
2.根据权利要求1所述的气体导流自定心夹紧荷电装置,其特征在于:卡爪(9)夹紧喷嘴,实现喷嘴自定心夹紧。 The gas deflector according to claim 1 self-centering clamping device of charge, wherein: the pawl (9) gripping the nozzle, to achieve self-centering nozzle gripping.
CN 201110297023 2011-09-30 2011-09-30 Charge device for self-centering clamping by air guidance CN102430490B (en)

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CN104285938B (en) * 2014-10-29 2016-09-14 江苏大学 A kind of electrostatic nozzle for aviation charge device

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