JPS60161764A - Electrostatic spray gun for spray coating - Google Patents
Electrostatic spray gun for spray coatingInfo
- Publication number
- JPS60161764A JPS60161764A JP60007311A JP731185A JPS60161764A JP S60161764 A JPS60161764 A JP S60161764A JP 60007311 A JP60007311 A JP 60007311A JP 731185 A JP731185 A JP 731185A JP S60161764 A JPS60161764 A JP S60161764A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- spray gun
- electrostatic spray
- indicator
- transformer
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/053—Arrangements for supplying power, e.g. charging power
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrostatic Spraying Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明はスプレー塗装用静電スプレーガンに関するも
のであり、更に詳しく塗装材料の静電荷電のための電極
を少なくとも１個と、ハンドルと塗装材料の散布のため
の銃身を有した静電スプレーガンの改良に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an electrostatic spray gun for spray painting, and more particularly, it relates to an electrostatic spray gun for spray painting, which includes at least one electrode for electrostatic charging of the paint material, a handle and a paint gun. The present invention relates to an improvement in an electrostatic spray gun having a barrel for dispersing materials.
この発明は被塗装物を液状ラッカーでスプレー塗装する
ための静電スプレーガンに特に応用されるものであるが
、被塗装物を粉状の塗装材料でスプレー塗装するための
静電スプレーガンにも応用できるものである。This invention has particular application to electrostatic spray guns for spray painting objects with liquid lacquer, but it can also be applied to electrostatic spray guns for spray painting objects with powdered coating materials. It is applicable.
（従来技術）
この種の静電スプレーガンとしてはドイツ特許第２０３
０２８８号のもの、チェコ特許第４９６４８１号、第５
８３４７６号および第６２３４８９号のものなどが知ら
れている。静電スプレーガンには電極に必要な電圧を有
した制御ボードが設けられている。この制御ボードは電
圧の表示のための発光ダイオードを有している。被塗装
物は非常に薄い層に塗装されるものである。従って静電
スプレーガンによって塗装される被塗装物（被塗装物の
量、被塗装物の組成、静電荷電および塗装方向）に少し
でも変動があると目立った塗装欠点につながることにな
る。従って作業員は塗装作業を定常かつ安定にすべく注
意を払わなければならない。(Prior art) As this type of electrostatic spray gun, German Patent No. 203
No. 0288, Czech Patent No. 496481, No. 5
No. 83476 and No. 623489 are known. The electrostatic spray gun is equipped with a control board with the necessary voltages for the electrodes. This control board has light emitting diodes for voltage indication. The object to be painted is one that is to be painted in a very thin layer. Therefore, even the slightest variation in the object to be coated (the amount of object to be painted, the composition of the object to be painted, the electrostatic charge, and the direction of painting) that is coated with an electrostatic spray gun will lead to noticeable coating defects. Therefore, workers must take care to keep the painting process regular and stable.
（発明の目的）
この発明の目的は、電圧降下あるいは不適正な電圧が原
因で生じる塗装欠点を、容易かつ安価な手法により、減
少させることにある。(Object of the Invention) An object of the present invention is to reduce coating defects caused by voltage drop or improper voltage by an easy and inexpensive method.
（発明の基本的構成）
このためこの発明にあっては、後方を指向した表示窓を
有した電圧表示器を静電スプレーガンに設け、これによ
り電極のそれぞれの電圧に応じて光学的信号を表示しよ
うとするものである。(Basic Structure of the Invention) Therefore, in the present invention, a voltage indicator having a rearward-facing display window is provided in the electrostatic spray gun, thereby outputting an optical signal in accordance with the voltage of each electrode. It is intended to be displayed.
（実施態様）
第１図に示すようにこの発明の静電スプレーガン１はハ
ンドル２と、このハンドル２に取り外し可能に組合わさ
れた合成材料体でかつ高電圧縦続接続回路４を内蔵した
銃身３と、ハンドル２の上側に取り外し可能に組合わさ
れてかつ内蔵された高電圧変圧器６と表示ランプの形を
した電圧表示器７とを具えた変圧器ケース５とから構成
されている。(Embodiment) As shown in FIG. 1, an electrostatic spray gun 1 according to the present invention includes a handle 2 and a barrel 3 made of a synthetic material and having a built-in high voltage cascade connection circuit 4 removably combined with the handle 2. and a transformer case 5, which is removably combined and built into the upper side of the handle 2, and includes a high voltage transformer 6 and a voltage indicator 7 in the form of an indicator lamp.
縦続接続回路４については詳細な説明は割愛するが、例
えばドイツ特許第２０３０３８８号に開示されているよ
うなものを用いる。変圧器６は１次側の１００Ｖ以下の
低い交流電圧（例えば１０Ｖ位）を２次側の５００００
Ｖ以上の高い交流電圧（例えば７００００Ｖ位）に変換
するものである。この変圧器６の２次側は縦続接続回路
４に出力され、ここで高交流電圧が高直流電圧に変換さ
れ、これが電極１０．１２の内少なくとも一方に静電荷
電される。Although a detailed explanation of the cascade connection circuit 4 will be omitted, for example, the one disclosed in German Patent No. 2030388 is used. The transformer 6 converts a low AC voltage of 100V or less (for example, about 10V) on the primary side to 50,000V on the secondary side.
It converts into a high AC voltage (for example, about 70,000 V) of V or more. The secondary side of this transformer 6 is output to a cascade circuit 4, where the high alternating voltage is converted into a high direct voltage, which is electrostatically charged on at least one of the electrodes 10.12.
これら電極（１０，１２）は銃身３の粉体流路９中およ
び／または銃身の端部１４から構成される装材料の流路
中に位置している。ここで塗装材料は好ましくは液状も
しくは粉状のラッカーである。These electrodes (10, 12) are located in the powder flow path 9 of the gun barrel 3 and/or in the flow path of the charge formed by the end 14 of the gun barrel. The coating material here is preferably a liquid or powder lacquer.
電圧表示器７は銃身の後端１６の変圧器ケース５に内蔵
されており、変圧器ケース５の後壁１８内に少なくとも
１個の発光タイオード１７を有している。スプレー塗装
表示器７の表示窓２０は赤色のガラス盤で構成されてい
る。The voltage indicator 7 is housed in the transformer case 5 at the rear end 16 of the barrel and has at least one light emitting diode 17 in the rear wall 18 of the transformer case 5. The display window 20 of the spray painting display 7 is composed of a red glass panel.
縦続接続回路４は第３図に示すようにドイツ特許第２０
３０３８８号グライナヘル回路を含むもので、高い交流
電圧の整流のために整流子２４とコンデンサー２６を有
している。その出力端２５と電極１０．１２との間には
安全抵抗２８が介装されている。縦続接続回路４の入力
側は接続プラグ３０を介して変圧器６の２次コイル３４
に接続されている。The cascade connection circuit 4 is as shown in FIG.
It includes a Greinaher circuit No. 30388 and has a commutator 24 and a capacitor 26 for rectifying high alternating voltage. A safety resistor 28 is interposed between its output end 25 and the electrode 10.12. The input side of the cascade connection circuit 4 is connected to the secondary coil 34 of the transformer 6 via the connection plug 30.
It is connected to the.
発光ダイオード１７は変圧器の１次コイル３６と並列に
接続されており、かつ抵抗３８および整流子４０と直列
に接続されている。これらは発光ダイオ−１” １７の
保護要素として機能するものである。１次コイル３６の
入力端４２における電圧に応じて発光ダイオード１７は
強くまたは弱く輝く。即ち発光ダイオード１７の輝度が
電極１０．１２における電圧のひとつの目安となる。塗
装欠点が適時に観測されないときには、１次コイル３６
の入力端４２における電圧が異常に変化し、この結果被
塗装物に欠点が生じる。The light emitting diode 17 is connected in parallel with the primary coil 36 of the transformer, and in series with the resistor 38 and commutator 40. These act as protective elements for the light-emitting diode 1'' 17. Depending on the voltage at the input 42 of the primary coil 36, the light-emitting diode 17 shines more or less strongly, ie the brightness of the light-emitting diode 17 is reduced by the brightness of the electrode 10. This is a guideline for the voltage at 12. If paint defects are not observed in a timely manner, the primary coil 36
The voltage at the input terminal 42 changes abnormally, resulting in defects in the object to be coated.
１次コイル３６の入力端４２は導線４６を介してスイッ
チボックス５０中の電源４８に接続されている。導線４
６にはレギュレーター５２が介装されており、これによ
り１次コイル３６の入力端４２における電圧を適宜に調
節する。An input end 42 of the primary coil 36 is connected via a conductor 46 to a power source 48 in a switch box 50. Conductor 4
6 is interposed with a regulator 52, which appropriately adjusts the voltage at the input end 42 of the primary coil 36.
第１図に示す構造では塗装材料の供給器５６がチューブ
５８により静電スプレーガン１に接続されており、静電
スプレーガンｌには引金６０が設けられている。In the structure shown in FIG. 1, a coating material feeder 56 is connected to the electrostatic spray gun 1 by a tube 58, and the electrostatic spray gun 1 is provided with a trigger 60.
表示器７は静電スプレーガン１のため動作表示をするも
のであって、静電スプレーガンの後面１８の作業員が見
易い場所に設けられており１作業員が静電スプレーガン
ｌとそこから構成される装材料６２と表示器７の表示窓
２０とを同一視野中に収められるようになっている。ま
た作業員は電圧をチェックするために散布中の塗装材料
から目をそらす必要がない。The display 7 is for displaying the operation of the electrostatic spray gun 1, and is provided at a location on the rear surface 18 of the electrostatic spray gun where it can be easily seen by the operator. The mounting material 62 and the display window 20 of the display 7 can be seen in the same field of view. Additionally, the operator does not have to look away from the material being sprayed to check the voltage.
表示器は上述のように好ましくは少なくとも１個の発光
ダイオードを含んでなるものである。この表示はほとん
ど無限の寿命を有しており、電力消費、も少ない。にも
拘らずグロー放電燈、電圧計その低電圧依存型光学表示
器を用いることもできる。The display preferably comprises at least one light emitting diode as described above. This display has an almost infinite lifespan and consumes little power. Nevertheless, it is also possible to use glow discharge lamps, voltmeters and other low voltage dependent optical indicators.
（発明の効果）
この発明によれば塗装作業員は被塗装物と静電スプレー
ガンから構成される装材料と表示器とを同時にひとつの
視野内に収めることができ、これらを同時に監視して出
力を瞬時に設定できる。(Effects of the Invention) According to the present invention, a painting worker can simultaneously view the object to be painted, the coating material consisting of an electrostatic spray gun, and the display within one field of view, and monitor them simultaneously. Output can be set instantly.
ｆ５１図はこの発明の静電スプレーガンの一例を示す側
面図、
第２図はその背面図、
第３図はその電気回路図である。
ｌ・・・静電スプレーガン ２・・・ハンドル３・・・
銃身 ４・・・縦続接続回路Fig. f51 is a side view showing an example of the electrostatic spray gun of the present invention, Fig. 2 is a rear view thereof, and Fig. 3 is an electric circuit diagram thereof. l... Electrostatic spray gun 2... Handle 3...
Gun barrel 4...cascade connection circuit
Claims (1)
１個の電極（１０，１２）とハンドル（３）と塗装材料
の散布のための銃身（３）とを含んでなり、 この銃身に後方を向いた表示窓（２０）を具えた電圧表
示器（７）が付設されており、かつこの電圧表示器が電
極の電圧に応じた光学的信号を表示する ことを特徴とするスプレー塗装用静電スプレーガン。 ［２］前記の電圧表示器（７）がガン後壁（１６）に設
けられている ことを特徴とする特許請求の範囲第［１１項記載の静電
スプレーガン。 【３］高電圧形成回路（’４．６）が設けられていて、
その入力端（４２）における低い交流電圧をその出力端
（２５）における高い直流電圧に変換し、 電極（１０，１２）はこの出力端（２５）から電圧供給
を受け、 電圧表示器（７）が少なくとも１個の表示燈と、発光ダ
イオード（１７）を有しており、これらが交流電圧入力
端（４２）に接続されていて、後向きの表示窓（２０）
を輝かせることを特徴とする特許請求の範囲第［１］
または［２］項記載の静電スプレーガン。 ［４］前記の高電圧形成回路（４、６）がその交流電圧
入力端（４２〕に変圧器（６）を有しており、 この変圧器が１次コイル（３６）側の低い交流電圧を２
次コイル（３４）側の高い直流電圧に変換し、 高電圧形成回路が整流子（２４）とコンデンサー（２６
）を含んでなる高電圧縦続接続回路（４）を有しており
、 これが変圧器（６）の２次コイル（３４）に接続されて
、高い交流電圧を高い直流電圧に変換する ことを特徴とする特許請求の範囲第【３１項記載の静電
スプレーガン。 【５】発光ダイオード（１７）過負荷安全要素としての
抵抗（３８）と整流子（４０）との間に直列に介装され
ている ことを特徴とする特許請求の範囲第【３】または［４］
項記載の静電スプレーガン。 ［６１変圧器（６）と表示器（７）とが同一のケース（
５）に収められ、 このケースがハンドル（２）上面に取り外し可能に組付
けられている ことを特徴とする特許請求の範囲第【４】または［５１
項記載の静電スプレーガン。 ［７］縦続接続回路（４）が銃身（３）内に設けられて
いる ことを特徴とする特許請求の範囲第用〜【８】のいずれ
かの項萌載の静電スプレーガン。 ［８１銃身（３）がハンドル（２）に取り外し可能に組
付けられている ことを特徴とする特許請求の範囲第［７１項記載の静電
スプレーガン。 【９］低い交流電圧が１００Ｖ以下で、高い直流電圧が
５００００Ｖ以上である ことを特徴とする特許請求の範囲第［３］〜［１１１ｊ
のいずれかの項記載の静電スプレーガン。[Claims] [1] At least one electrode (10, 12) for electrostatic charging of the coating material (62), a handle (3) and a gun barrel (3) for dispersing the coating material. a voltage indicator (7) having a rearward-facing display window (20) is attached to the barrel, and the voltage indicator displays an optical signal corresponding to the voltage of the electrode. An electrostatic spray gun for spray painting featuring [2] The electrostatic spray gun according to claim 11, wherein the voltage indicator (7) is provided on the rear wall (16) of the gun. [3] A high voltage forming circuit ('4.6) is provided,
converts a low alternating voltage at its input (42) into a high direct voltage at its output (25), the electrodes (10, 12) receive a voltage supply from this output (25), and a voltage indicator (7) has at least one indicator light and a light emitting diode (17), which are connected to the alternating current voltage input (42) and a rear-facing display window (20).
Claim No. [1]
Or the electrostatic spray gun described in [2]. [4] The high voltage forming circuit (4, 6) has a transformer (6) at its AC voltage input terminal (42), and this transformer converts the low AC voltage on the primary coil (36) side. 2
The high voltage forming circuit converts to a high DC voltage on the next coil (34) side, and the high voltage forming circuit connects the commutator (24) and capacitor (26).
), which is connected to the secondary coil (34) of the transformer (6) to convert high alternating current voltage into high direct current voltage. An electrostatic spray gun according to claim 31. [5] Claim [3] or [5] characterized in that the light emitting diode (17) is interposed in series between the resistor (38) as an overload safety element and the commutator (40). 4]
Electrostatic spray gun as described in section. [61 Case in which transformer (6) and indicator (7) are the same (
Claim No. [4] or [51] characterized in that the case is removably assembled on the upper surface of the handle (2).
Electrostatic spray gun as described in section. [7] The electrostatic spray gun according to any one of claims 1 to 8, characterized in that the cascade connection circuit (4) is provided within the gun barrel (3). [81] The electrostatic spray gun according to claim 71, characterized in that the barrel (3) is removably assembled to the handle (2). [9] Claims [3] to [111j] characterized in that the low AC voltage is 100V or less and the high DC voltage is 50,000V or more.
An electrostatic spray gun as described in any of the following paragraphs.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3402945.1 | 1984-01-28 | ||
| DE3402945A DE3402945C2 (en) | 1984-01-28 | 1984-01-28 | Electrostatic spray gun for spray coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60161764A true JPS60161764A (en) | 1985-08-23 |
| JPH0477623B2 JPH0477623B2 (en) | 1992-12-08 |
Family
ID=6226150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60007311A Granted JPS60161764A (en) | 1984-01-28 | 1985-01-17 | Electrostatic spray gun for spray coating |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS60161764A (en) |
| CH (1) | CH663360A5 (en) |
| DE (1) | DE3402945C2 (en) |
| FR (1) | FR2558742B1 (en) |
| GB (1) | GB2153260B (en) |
| IT (1) | IT1183311B (en) |
Cited By (4)
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|---|---|---|---|---|
| JP2007237048A (en) * | 2006-03-07 | 2007-09-20 | Oppama Kogyo Kk | Electrostatic application electric power unit |
| JP2008546522A (en) * | 2005-06-16 | 2008-12-25 | イリノイ トゥール ワークス インコーポレイティド | In-gun power control |
| JP2011513064A (en) * | 2008-03-10 | 2011-04-28 | イリノイ トゥール ワークス インコーポレイティド | Circuit that displays the relative voltage of the output electrode of the electrostatic paint sprayer |
| JP2012086142A (en) * | 2010-10-19 | 2012-05-10 | Asahi Sunac Corp | Spray gun for electrostatic coating |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3545885C1 (en) * | 1985-12-23 | 1993-03-04 | Kopperschmidt Mueller & Co | Electrostatic spray gun |
| DE3600808A1 (en) * | 1986-01-14 | 1987-07-16 | Esb Voehringer | ELECTROSTATIC POWDER SPRAYING DEVICE WITH TRIBOELECTRIC POWDER CHARGING |
| DE3904438A1 (en) | 1989-02-14 | 1990-08-16 | Gema Ransburg Ag | SPRAY COATING DEVICE FOR ELECTROSTATIC SPRAY COATING |
| US4978075A (en) * | 1989-06-15 | 1990-12-18 | Graco Inc. | Solvent resistant electrostatic spray gun |
| US5080289A (en) * | 1990-05-25 | 1992-01-14 | Graco Inc. | Spraying voltage control with hall effect switches and magnet |
| US5351903A (en) * | 1993-04-06 | 1994-10-04 | Russell Mazakas | Electrostatic powder paint gun with trigger control variable voltage |
| DE19511254A1 (en) * | 1995-03-27 | 1996-10-02 | Gema Volstatic Ag | Electrostatic spray coating device |
| DE19838275A1 (en) | 1998-08-22 | 2000-02-24 | Itw Gema Ag | Manual spray coating pistol has manually displaceable control element on pistol exterior for setting parameter(s) of operating media, including coating material, electrode electrical energy |
| US6318647B1 (en) * | 1999-08-18 | 2001-11-20 | The Procter & Gamble Company | Disposable cartridge for use in a hand-held electrostatic sprayer apparatus |
| US6311903B1 (en) * | 1999-08-18 | 2001-11-06 | The Procter & Gamble Company | Hand-held electrostatic sprayer apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4092585A (en) * | 1976-05-03 | 1978-05-30 | Sun Electric Corporation | Apparatus for measuring engine timing independent of speed |
| CH620600A5 (en) * | 1977-05-12 | 1980-12-15 | Alex Hengartner | |
| CH623489A5 (en) * | 1977-12-08 | 1981-06-15 | Gema Ag | |
| IT1137200B (en) * | 1980-07-10 | 1986-09-03 | Roederstein Ernst Spezialfabri | MANUAL APPLIANCE FOR THE ELECTROSTATIC FLOCKING OF OBJECTS |
-
1984
- 1984-01-28 DE DE3402945A patent/DE3402945C2/en not_active Expired
-
1985
- 1985-01-16 GB GB08501037A patent/GB2153260B/en not_active Expired
- 1985-01-17 JP JP60007311A patent/JPS60161764A/en active Granted
- 1985-01-25 FR FR8501170A patent/FR2558742B1/en not_active Expired
- 1985-01-25 IT IT19241/85A patent/IT1183311B/en active
- 1985-01-28 CH CH370/85A patent/CH663360A5/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008546522A (en) * | 2005-06-16 | 2008-12-25 | イリノイ トゥール ワークス インコーポレイティド | In-gun power control |
| JP2007237048A (en) * | 2006-03-07 | 2007-09-20 | Oppama Kogyo Kk | Electrostatic application electric power unit |
| JP2011513064A (en) * | 2008-03-10 | 2011-04-28 | イリノイ トゥール ワークス インコーポレイティド | Circuit that displays the relative voltage of the output electrode of the electrostatic paint sprayer |
| JP2012086142A (en) * | 2010-10-19 | 2012-05-10 | Asahi Sunac Corp | Spray gun for electrostatic coating |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0477623B2 (en) | 1992-12-08 |
| IT1183311B (en) | 1987-10-22 |
| IT8519241A0 (en) | 1985-01-25 |
| FR2558742A1 (en) | 1985-08-02 |
| GB8501037D0 (en) | 1985-02-20 |
| DE3402945A1 (en) | 1985-08-01 |
| GB2153260A (en) | 1985-08-21 |
| DE3402945C2 (en) | 1986-07-03 |
| CH663360A5 (en) | 1987-12-15 |
| FR2558742B1 (en) | 1988-06-17 |
| GB2153260B (en) | 1987-08-12 |
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