JPH0477623B2 - - Google Patents
Info
- Publication number
- JPH0477623B2 JPH0477623B2 JP60007311A JP731185A JPH0477623B2 JP H0477623 B2 JPH0477623 B2 JP H0477623B2 JP 60007311 A JP60007311 A JP 60007311A JP 731185 A JP731185 A JP 731185A JP H0477623 B2 JPH0477623 B2 JP H0477623B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- spray gun
- electrostatic spray
- gun according
- 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.)
- Expired - Lifetime
Links
- 239000007921 spray Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 12
- 238000007592 spray painting technique Methods 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000007786 electrostatic charging Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 238000010422 painting Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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)
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ツカーでスプレー
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 is particularly applicable to electrostatic spray guns for spray painting objects to be coated with liquid lacquer, but it can also be applied to electrostatic spray guns for spray painting objects to be coated with powder 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2030288号のもの、チエコ特許第496481号、第
583476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。従つて静電スプレーガンによつて塗装
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
あると目立つた塗装欠点につながることになる。
従つ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) This type of electrostatic spray gun includes German patent No. 2030288, Chieco patent No. 496481,
Those of No. 583476 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 with an electrostatic spray gun (the amount of object to be painted, the composition of the object to be painted, the electrostatic charge, and the direction of painting) can lead to noticeable coating defects. Become.
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性な
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 inappropriate 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つては、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、これによつて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 this invention, a voltage indicator having a rearward-facing display window is provided on the electrostatic spray gun, and thereby an optical signal is displayed depending on the voltage of each electrode. It is intended to display a signal.
（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50000V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. Transformer 6 is on the primary side
Low AC voltage below 100V (for example around 10V)
High AC voltage of 50000V or more on the next side (e.g.
70000V). The secondary side of this transformer 6 is output to a cascade circuit 4, where the high alternating current voltage is converted into a high direct current voltage, which is electrostatically charged to 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から散布される塗
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ツカーであ
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 coating material sprayed from 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個の発光ダイオード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 built into the transformer case 5 at the rear end 16 of the barrel, and is mounted on the rear wall 18 of the transformer case 5.
It has at least one light emitting diode 17 inside. 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2030388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 includes the Greinaher circuit disclosed in German Patent No. 2030388, as shown in FIG.
It has a commutator 24 and a capacitor 26 for rectifying high alternating voltage. A safety resistor 28 is interposed between the output end 25 and the electrodes 10, 12. The input side of the cascade connection circuit 4 is the connection plug 30
It is connected to the secondary coil 34 of the transformer 6 via.
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
ダイオード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３
６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 to the primary coil 36 of the transformer.
, and in series with the resistor 38 and commutator 40. These function as protective elements for the light emitting diode 17. Depending on the voltage at the input end 42 of the primary coil 36, the light-emitting diode 17 shines more or less strongly. That is, the brightness of the light emitting diode 17 is
This is one guideline for the voltage at 12. If paint defects are not observed in a timely manner, the primary coil 3
The voltage at the input 42 of 6 changes abnormally, resulting in defects on the object to be coated.
１次コイル３６の入力端４２は導線４６を介し
てスイツチボツクス５０中の電源４８に接続され
ている。導線４６にはレギユレーター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 switchbox 50. A regulator 52 is interposed in the conducting wire 46, and thereby adjusts the voltage at the input end 42 of the primary coil 36 as appropriate.
第１図に示す構造では塗装材料の供給器５６が
チユーブ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１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
をするものであつて、静電スプレーガンの後面１
８の作業員が見易い場所に設けられており、作業
員が静電スプレーガン１とそこから散布される塗
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つている。また作業員は
電圧をチエツ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 for displaying the operation of the electrostatic spray gun 1.
8 is installed in a place where it can be easily seen by the worker, so that the worker can see the electrostatic spray gun 1, the coating material 62 sprayed from it, and the display window 20 of the display 7 in the same field of view. There is. 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
その他電圧依存型光学表示器を用いることもでき
る。 The indicator preferably has at least one
The light-emitting diode is comprised of a number of light-emitting diodes. This display has an almost infinite lifespan and consumes little power. Nevertheless, glow discharge lamps, voltmeters and other voltage-dependent optical indicators may also be used.
（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
スプレーガンから散布される塗装材料と表示器と
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 this invention, a painting worker can simultaneously view the object to be painted, the painting material sprayed from the electrostatic spray gun, and the display within one field of view, and monitor them simultaneously. Output can be set instantly.
第１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。
１……静電スプレーガン、２……ハンドル、３
……銃身、４……縦続接続回路、５……変圧器ケ
ース、６……変圧器、７……電圧表示器、１０，
１２……電極、１７……発光ダイオード、２０…
…表示窓、５０……スイツチボツクス、６２……
塗装材料。
FIG. 1 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. 1... Electrostatic spray gun, 2... Handle, 3
...gun barrel, 4...cascade connection circuit, 5...transformer case, 6...transformer, 7...voltage indicator, 10,
12... Electrode, 17... Light emitting diode, 20...
...Display window, 50...Switch box, 62...
Painting materials.
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１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２
６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３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。 ６ 変圧器６と表示器７とが同一のケース５に収
められ、 このケースガハンドル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または第５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４〜６のいず
れかの項記載の静電スプレーガン。 ８ 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７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３〜６のいず
れかの項記載の静電スプレーガン。[Scope of Claims] 1 Comprising at least one electrode 10, 12 for electrostatic charging of the paint material 62, a handle 3 and a barrel 3 for spraying the paint material, the barrel having a rearward direction. An electrostatic spray gun for spray painting, characterized in that a voltage indicator 7 having a display window 20 is attached, and the voltage indicator displays an optical signal according to the voltage of the electrode. 2. The electrostatic spray gun according to claim 1, 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 which converts the low alternating voltage at its input 42 into a high direct voltage at its output 25, the electrodes 10, 12 being supplied with voltage from this output 25; A patent claim characterized in that the voltage indicator 7 has at least one indicator light and a light emitting diode 17, which are connected to the alternating voltage input terminal 42 and illuminate the rear-facing display window 20. The electrostatic spray gun according to range 1 or 2. 4 The high voltage forming circuits 4 and 6 have a transformer 6 at their AC voltage input terminal 42, and this transformer transforms the low AC voltage on the primary coil 36 side into the high DC voltage on the secondary coil 34 side. The high voltage forming circuit connects commutator 24 and capacitor 2.
6, which is connected to the secondary coil 34 of the transformer 6 to convert a high alternating current voltage into a high direct current voltage. The electrostatic spray gun according to item 3. 5. The electrostatic spray gun according to claim 3 or 4, 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. 6. The transformer 6 and the display 7 are housed in the same case 5, and the case is removably assembled on the upper surface of the handle 2. electrostatic spray gun. 7. The electrostatic spray gun according to any one of claims 4 to 6, characterized in that the cascade connection circuit 4 is provided within the gun barrel 3. 8. The electrostatic spray gun according to claim 7, wherein the barrel 3 is removably assembled to the handle 2. 9. The electrostatic spray gun according to any one of claims 3 to 6, characterized in that the low AC voltage is 100V or less and the high DC voltage is 50000V or more.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3402945A DE3402945C2 (en) | 1984-01-28 | 1984-01-28 | Electrostatic spray gun for spray coating |
| DE3402945.1 | 1984-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60161764A JPS60161764A (en) | 1985-08-23 |
| JPH0477623B2 true 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) |
Families Citing this family (45)
| 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 |
| US6311903B1 (en) * | 1999-08-18 | 2001-11-06 | The Procter & Gamble Company | Hand-held electrostatic sprayer apparatus |
| US6318647B1 (en) * | 1999-08-18 | 2001-11-20 | The Procter & Gamble Company | Disposable cartridge for use in a hand-held electrostatic sprayer apparatus |
| US6322000B1 (en) * | 1999-09-10 | 2001-11-27 | United Technologies Corporation | Convergent spray nozzle shut-down system |
| EP1423206A4 (en) * | 2001-09-06 | 2006-08-30 | Graco Minnesota Inc | Voltage and current display for electrostatic spray gun |
| US7460924B2 (en) * | 2005-06-16 | 2008-12-02 | Illinois Tool Works Inc. | In-gun power supply control |
| JP4830169B2 (en) * | 2006-03-07 | 2011-12-07 | 追浜工業株式会社 | Electrostatic application power supply |
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| CN110560285B (en) | 2014-07-31 | 2021-05-18 | 萨塔有限两合公司 | Spray gun and method for manufacturing same |
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Family Cites Families (4)
| 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 IT IT19241/85A patent/IT1183311B/en active
- 1985-01-25 FR FR8501170A patent/FR2558742B1/en not_active Expired
- 1985-01-28 CH CH370/85A patent/CH663360A5/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3402945A1 (en) | 1985-08-01 |
| GB2153260B (en) | 1987-08-12 |
| GB8501037D0 (en) | 1985-02-20 |
| FR2558742B1 (en) | 1988-06-17 |
| GB2153260A (en) | 1985-08-21 |
| IT8519241A0 (en) | 1985-01-25 |
| DE3402945C2 (en) | 1986-07-03 |
| FR2558742A1 (en) | 1985-08-02 |
| IT1183311B (en) | 1987-10-22 |
| CH663360A5 (en) | 1987-12-15 |
| JPS60161764A (en) | 1985-08-23 |
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