JP3025661U - Air atomization type electrostatic painting gun - Google Patents

Air atomization type electrostatic painting gun

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Publication number
JP3025661U
JP3025661U JP1995014001U JP1400195U JP3025661U JP 3025661 U JP3025661 U JP 3025661U JP 1995014001 U JP1995014001 U JP 1995014001U JP 1400195 U JP1400195 U JP 1400195U JP 3025661 U JP3025661 U JP 3025661U
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Japan
Prior art keywords
paint
static electricity
voltage
gun
coating gun
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JP1995014001U
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Japanese (ja)
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正明 阿部
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株式会社メサック
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Abstract

(57)【要約】 【課題】 空気霧化式静電塗装ガンへの電気供給の安全
化と、軽便化を計るものである。 【解決課題】 本考案は、空気霧化式静電塗装ガン本体
内に構成する高電圧静電気供給部を、高電圧静電気発生
器と高電圧抵抗機を組合せて収容配置する構成とした。
(57) [Abstract] [PROBLEMS] To make the electric supply to an air atomization type electrostatic coating gun safe and to make it convenient. The present invention has a configuration in which a high-voltage static electricity supply unit configured in an air atomization type electrostatic painting gun main body is housed and arranged in combination with a high-voltage static electricity generator and a high-voltage resistor.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は、空気霧化式静電塗装ガンに関するものである。 The present invention relates to an air atomization type electrostatic coating gun.

【0002】[0002]

【従来の技術】[Prior art]

空気霧化式静電塗装ガン(以下単に塗装ガンと称する)は、先端に、塗料噴射 孔と、塗料噴射孔から針状電極を突出させた塗料帯電用高圧印加部と、塗料噴射 孔の近傍に塗料霧化空気噴射孔とを配し、また、霧化塗料の吹付パターン形成空 気噴射孔を配したキャップが取付られている。塗装ガンの本体には、塗料帯電用 高圧印加部に高電圧静電気を通電する高電圧抵抗機を配した高電圧静電気供給部 を収容し、且つ塗料帯電用高圧印加部を配した塗料噴射孔に塗料を供給する塗料 供給路、塗料霧化空気噴射孔また、霧化塗料の吹付パターン形成空気噴射孔に圧 縮空気を供給する空気供給路を形成してある。また、塗装ガンの本体基部には、 引金によって作動する電源から塗装ガンに内装された高電圧静電気供給部と接続 する高電圧静電気供給ケーブルの電気回路を開閉するアースされたスイッチ、塗 料供給源から塗装ガンに内装された塗料供給路と接続するホースの塗料回路を開 閉するアースされた塗料バルブ、空気供給源から塗装ガンに内装された空気供給 路と接続する空気供給ホースの空気回路を開閉する空気バルブを配する構造とな っている。 An air atomization type electrostatic coating gun (hereinafter simply referred to as a coating gun) has a paint injection hole at the tip, a high voltage application part for paint charging in which a needle electrode is projected from the paint injection hole, and the vicinity of the paint injection hole. A paint atomizing air injection hole is also attached to the cap, and a cap in which the spray pattern forming air injection hole of the atomized paint is arranged is attached. The main body of the coating gun contains a high-voltage static electricity supply unit with a high-voltage resistor for energizing high-voltage static electricity in the high-voltage application unit for paint charging, and a paint injection hole with a high-voltage application unit for paint charging. A paint supply path for supplying paint, a paint atomizing air injection hole, and an air supply path for supplying compressed air to the spray pattern forming air injection hole of the atomized paint are formed. In addition, the base of the coating gun is equipped with a grounded switch that opens and closes the electric circuit of the high-voltage static electricity supply cable that is connected to the high-voltage static electricity supply section built into the painting gun from a trigger-operated power supply, and a coating supply. Source to the paint supply path inside the painting gun, which opens and closes the paint circuit of the hose that is connected to the ground, the air circuit of the air supply hose that connects from the air supply source to the air supply path inside the painting gun. It has a structure that has an air valve that opens and closes.

【0003】 そして、メタリック塗料を使用する塗料ガンは、メタリック塗料は粘度が低く 又、電気抵抗も低いところから、塗装ガンの稼働中に、電気が、塗料を流動させ る塗料供給路から思わぬ場所に漏電して絶縁破壊を生じたり、或は、被塗装物以 外のアースされた物体に塗装ガンを接近させた場合には塗装ガンの塗料供給路を 流動するメタリック塗料中の金属顔料が連鎖状態を生じてしまい、電極に印加供 給した高電圧静電気がアースされた塗料タンクへ逃げてしまって静電塗装が行え なくなる所謂橋絡現象が生じやすくなるなどの不都合を生じる。A paint gun using a metallic paint has a low viscosity and a low electric resistance, so that the electric power flows through the paint gun during operation of the paint gun. If the paint leaks to a location and causes dielectric breakdown, or if the paint gun is brought close to a grounded object other than the object to be painted, the metal pigment in the metallic paint flowing through the paint supply path of the paint gun This causes a chained state, and the high-voltage static electricity applied to the electrodes escapes to the grounded paint tank, which makes it difficult to perform electrostatic coating, which is a so-called bridging phenomenon.

【0004】 その不都合を解消するために、これまで塗装ガンに配置された塗料供給路の中 を流動するメタリック塗料の流動距離を長くし、メタリック塗料の電気抵抗を高 くしてその不都合を解消しようとした考え方が生まれた。その1例は、実開昭5 0年第45357号公報に開示された考案である。その他の例は米国特許第4, 139,155号公報に開示されている。In order to eliminate the inconvenience, it is necessary to increase the flow distance of the metallic paint flowing in the paint supply passage arranged in the coating gun so far and increase the electric resistance of the metallic paint to eliminate the inconvenience. The idea was born. One example is the invention disclosed in Japanese Utility Model Publication No. 45357/1985. Other examples are disclosed in U.S. Pat. No. 4,139,155.

【0005】 しかし、前者の構造では、塗料供給路の距離を十分長くすることはできない。 後者の構造では、前者の欠点を排除できるが塗料供給路が塗装ガン外部に配置さ れるため、思わぬ個所で絶縁破壊現象を起し、不慮の事故を招く危険性がある。However, with the former structure, the distance of the paint supply passage cannot be made sufficiently long. In the latter structure, the former drawback can be eliminated, but since the paint supply path is located outside the paint gun, there is a risk of causing a dielectric breakdown phenomenon at an unexpected location and causing an accident.

【0006】 これらを更に改良して、、コイル状に巻回した塗料供給路を塗装ガンの中に収 納してしまおうとする考え方が生じ、これが特公昭61年第58213号公報に 開示されている。[0006] The idea of further improving these and accommodating the paint supply passage wound in a coil shape in the coating gun arises, which is disclosed in Japanese Patent Publication No. 58213/1986. There is.

【0007】 塗装ガンは、作業中に飛散する霧化塗料が塗装ガンの表面に付着し、それだけ でなく塗装ガンに内装された高電圧供給部に荷電される高圧静電気の影響によっ て、塗装ガンの表面に埃を付着し、その結果塗装ガン表面の絶縁性を低下させる という不都合を生じる。従って、特公昭61年第58213号公報に開示された 構造としてもこれを阻止するための手段としては必ずしも有効な手段とは言えな かったというのが実情である。[0007] The coating gun is sprayed by atomized paint that adheres to the surface of the coating gun during operation, and the high-voltage static electricity charged in the high-voltage power supply inside the coating gun also causes the coating gun to paint. The dust adheres to the surface of the gun, and as a result, the insulation of the surface of the coating gun deteriorates. Therefore, the structure disclosed in Japanese Patent Publication No. 58213/1986 has not always been an effective means for preventing this.

【0008】 本出願人は、前記の実情に鑑み、先に、塗装ガンに内装する塗料供給路全体を カートリッジ式容器に収容した螺旋状に巻回した絶縁ホースによる塗料導管とし 、これを、高電圧静電気供給部と平行して配される塗料霧化空気供給路、霧化塗 料のパターン形成空気供給路を避けて収納すると言う考え方に基いて特開平3− 242252号工法に記載された発明を創作した。この発明によって、高電圧静 電気供給部を囲繞する部分の塗装ガン本体部分を肉厚の絶縁材で形成すると言う ことが実現できた。In view of the above-mentioned circumstances, the applicant of the present invention has previously made a paint conduit by a spirally wound insulating hose, which is housed in a cartridge type container, for the entire paint supply passage to be installed in a coating gun. The invention described in Japanese Patent Application Laid-Open No. 3-242252, based on the idea that the paint atomization air supply passage arranged in parallel with the voltage static electricity supply portion and the pattern formation air supply passage for the atomization coating material are avoided and stored. Created. According to the present invention, it can be realized that the portion of the coating gun body surrounding the high-voltage static electricity supply portion is formed of a thick insulating material.

【0009】 ところで、これまでの塗装ガンは、前記したように塗装ガン内に塗料帯電用高 圧印加部に導電する高電圧抵抗機を配した高電圧静電気供給部を収容し、これに 引金を作動することによって電源からの高電圧静電気供給する高電圧静電気供給 ケーブルの電気回路を開閉するアースされたスイッチを配していた。 従って、これまでの塗装ガンは、電源から塗装ガンのスイッチに相当の重量の かかる高電圧静電気供給ケーブルが継がれる構成となっていた。その結果電源か ら塗装ガンまでの距離が遠ければ、高電圧静電気供給のケーブルの長さも必然的 に長くなり、その長さに比例して重量を増やし、その重量による塗装ガンへの取 付方、また、例えばその重量による不都合をかかえ込んだ塗装ガンをロボット機 構へ取付けるのに当然不都合を生じ、それだけでなく、電源から塗装ガンまでの 高電圧静電気供給ケーブルの張設が漏電の危険を生じ、常にその気を配らなけれ ばならないと言う不都合があった。By the way, the conventional coating guns house the high-voltage static electricity supplying section in which the high-voltage resistor for conducting the high-voltage applying section for charging the paint is arranged in the coating gun as described above, and the trigger is applied to this. It was equipped with a grounded switch that opens and closes the electric circuit of the high-voltage static electricity supply cable that supplies high-voltage static electricity from the power supply by activating. Therefore, the conventional coating gun has a structure in which a high voltage static electricity supply cable having a considerable weight is connected to the switch of the coating gun from the power source. As a result, if the distance from the power supply to the painting gun is long, the length of the cable for supplying high-voltage static electricity will inevitably increase, and the weight will increase in proportion to the length. In addition, it naturally causes inconvenience to install a painting gun, which has some drawbacks due to its weight, on the robot mechanism, and not only that, but also the installation of a high-voltage electrostatic supply cable from the power supply to the painting gun may cause leakage. There was the inconvenience of having to pay attention to it.

【0010】[0010]

【考案が解決しようとする課題】[Problems to be solved by the device]

本考案は、これまでの塗装ガンに高電圧静電気供給ケーブルをスイッチを介し て配設すると言う構成を採ったことによることから生ずる上記した不都合を解消 し、これによって、塗装ガンのロボット機構への取付を容易にし、併せて、これ を取付けたロボット機構への運動性能を更に高めようとするものである。 The present invention eliminates the above-mentioned inconvenience caused by adopting a configuration in which a high-voltage static electricity supply cable is arranged via a switch in a conventional painting gun, and thereby, the robot mechanism of the painting gun is eliminated. The purpose of this is to make the mounting easier, and at the same time to further improve the motion performance of the robot mechanism to which it is mounted.

【0011】[0011]

【課題を解決するための手段】[Means for Solving the Problems]

本発明は前記目的を達成するために、空気霧化式静電塗装ガンに於いて、該塗 装ガン内に構成する塗料帯電用高圧印加部に高電圧静電気を通電する高電圧静電 気供給部を、小型化した高電圧静電気発生器と高電圧抵抗機を組合せた構成とし た。 In order to achieve the above object, the present invention provides an air atomization type electrostatic coating gun in which high voltage electrostatic electricity is supplied to a high voltage applying portion for charging a paint which is formed in the coating gun. The part has a configuration that combines a miniaturized high-voltage static electricity generator and a high-voltage resistor.

【0012】[0012]

【作用】[Action]

本考案は、上記のように構成したので、これまで塗装ガンには、本体基部に高 電圧静電気供給ケーブルが継がれていたため、高電圧静電気供給ケーブル自体の 重量も相当な重みを有し、従って、これを塗装ガンへ取付けるのに、その取付方 、また、例えばロボット機構への塗装ガンの取付方に特別の配慮を必要としてい たが、本考案は、塗装ガン中に配置する高電圧静電気供給部を小型化された高電 圧静電気発生器と抵抗機を合せて収容した構造としたので、その配慮をする必要 はなく、更に、電源から塗装ガンに継ぐ高電圧静電気供給ケーブルを必要としな くなったので、これまでのような高電圧静電気供給ケーブルの漏電による危険を 解消することができる。 Since the present invention is configured as described above, the high voltage static electricity supply cable is connected to the base of the main body of the coating gun so far, and therefore the weight of the high voltage static electricity supply cable itself also has a considerable weight. However, to attach this to the painting gun, special consideration was required for its attachment method, for example, how to attach the painting gun to the robot mechanism. The supply section has a structure that accommodates both a miniaturized high-voltage static electricity generator and a resistor, so there is no need to take that into consideration.In addition, a high-voltage static electricity supply cable from the power supply to the painting gun is required. Since it is no longer present, it is possible to eliminate the danger caused by the leakage of the high-voltage static electricity supply cable.

【0013】[0013]

【実施例】【Example】

本考案の実施例を図面に従って説明する。 塗装ガン本体1は前方に締付リング2を介在させてキャップ3を取付る前身1 Xと、後身1Yとから成っている。後身1Yに後方部、その後端には、後記する 塗装ガン本体1中に配した高電圧抵抗機12を組込んで成る高電圧静電気発生器 11に通電する電源(図示しない)からのコード4を貫通して取付けるアースさ れた部材から成るコード貫通機構5と塗装ガン本体1中に配した塗料導管6に塗 料供給機構(図示しない)から塗料を供給する塗料ホース7を取付けるアースさ れた部材から成る塗料ホース貫通機構8と塗料霧化空気送込貫通機構(図示しな い)と霧化塗料の吹付パターン形成空気送込機構(図示しない)とが取付けられ るよう形成されている。 An embodiment of the present invention will be described with reference to the drawings. The coating gun body 1 is composed of a front body 1X and a rear body 1Y to which a cap 3 is attached by interposing a tightening ring 2 on the front side. A cord 4 from a power source (not shown) for energizing a high-voltage static electricity generator 11 including a high-voltage resistor 12 arranged in a coating gun body 1 described later on the rear part of the rear body 1Y and at the rear end thereof. A cord penetrating mechanism 5 consisting of a grounded member and a paint hose 7 for supplying paint from a paint supply mechanism (not shown) to a paint conduit 6 arranged in the paint gun body 1 are grounded. And a paint hose penetrating mechanism 8 composed of a member, a paint atomizing air feeding penetrating mechanism (not shown), and a spray pattern forming air feeding mechanism (not shown) for atomized paint. .

【0014】 塗装ガン本体1の前身1Xの前方外側には、先端に電極13を貫通する塗料霧 化噴射孔3A、霧化塗料のパターン形成空気噴射孔(図示しない)を穿設したキ ャップ3を締付リング2を介して取付けるようになっている。塗装ガン本体1の 前身1Xの前方内側には、キャップ3に形成される塗料霧化噴射孔3Aに送る塗 料を印加する電極13を配した電極ガイド14を収容した塗料帯電用高圧印加部 15と、塗料帯電用高圧印加部15に塗料を塗料導管6から圧送する塗料通路1 6と、キャップ3に形成される霧化塗料のパターン形成空気噴射孔(図示しない )にそれぞれ空気を圧送する各空気通路と前記各空域通路に空気を送る空気供給 路(図示しない)が形成されている。 また、塗装ガン本体1内に配した高電圧静電気供給部は、電源からのコード4 を継いだ高電圧静電気発生器11、高電圧抵抗機12、電極ガイド14を収容し て構成されている。そして、塗料帯電用高圧静電気印加部15から、電極ガイド 14を通して、電極13をキャップ3の塗料噴射孔3Aから突出させる構成とな っている。A cap 3 having a paint atomizing spray hole 3A penetrating the electrode 13 and a pattern forming air spray hole (not shown) for the spray paint at the tip of the front side of the front body 1X of the coating gun body 1. Is attached via a tightening ring 2. Inside the front part 1X of the coating gun body 1, a high voltage application section for paint charging containing an electrode guide 14 in which an electrode 13 for applying a coating material to the paint atomizing injection hole 3A formed in the cap 3 is arranged. And a paint passage 16 for sending paint from the paint conduit 6 to the paint charging high-voltage applying section 15, and air for sending air to the pattern forming air injection holes (not shown) of the atomized paint formed in the cap 3. An air supply passage (not shown) for sending air to the air passage and each air passage is formed. Further, the high-voltage static electricity supply unit arranged in the coating gun body 1 is configured to accommodate a high-voltage static electricity generator 11, which inherits the cord 4 from the power source, a high-voltage resistor 12, and an electrode guide 14. Further, the electrode 13 is projected from the paint injection hole 3A of the cap 3 from the paint charging high-voltage static electricity applying unit 15 through the electrode guide 14.

【0015】 本考案は、従来型の塗装ガン本体に配する高圧静電気供給部が、電源から高電 圧ケーブルで継がれた高電圧抵抗機を収容して構成すると言う考え方を全く一変 して、塗装ガンの高圧静電気供給部を、電源からコード4で継がれた高電圧静電 気発生器11と、高電圧抵抗機12とを組合せで構成した。その組合せ手段は通 常の手段を以て行い、高電圧抵抗機12の先端に電極13を取付けた電極ガイド 14を配することは従来と同じである。The present invention completely changes the idea that the high-voltage static electricity supply unit arranged in the conventional coating gun main body houses the high-voltage resistor connected to the power supply by the high-voltage cable. The high-voltage static electricity supply section of the coating gun was constructed by combining a high-voltage static electricity generator 11 connected by a cord 4 from a power source and a high-voltage resistance machine 12. The combination means is performed by usual means, and the electrode guide 14 having the electrode 13 attached to the tip of the high-voltage resistor 12 is arranged as in the conventional case.

【0016】 これまでの塗装ガンは、電源から塗装ガンまでを高電圧ケーブルで継いでいた ので、電源から塗装ガンまでの距離が長ければ長い程、高電圧ケーブルの重さが 増すと言う不都合があり、また、その重さのため、例えば、ロボット機構に塗装 ガンを取付けるのに、その荷重が増して、取付け方にいろいろな障害があり、そ れだけでなく、これを取付けたロボット機構の運動性能を十分に発揮することは できなかったと言う不都合があった。更に、高電圧ケーブルが電源から塗装ガン の間で何等かの物体に接触したとき漏電により不測の自体を引き起こすと言う危 険もあった。In the conventional painting gun, since the high voltage cable was connected from the power supply to the painting gun, the longer the distance from the power supply to the painting gun, the heavier the high voltage cable is. Also, because of its weight, for example, when mounting the painting gun on the robot mechanism, the load increases, and there are various obstacles to the mounting method. There was an inconvenience that the exercise performance could not be fully exhibited. In addition, there was a danger that the high voltage cable could cause an unexpected accident when the high voltage cable came in contact with any object between the power supply and the painting gun.

【0017】[0017]

【考案の効果】[Effect of device]

本考案の塗装ガンは、上記のように構成したので、まず、電源から塗装ガンま での高電圧ケーブルを省略することができ、その結果、例えばロボット機構への 取付が容易であり、これを取付けたロボット機構の運動性能をこれまでの方式の ものに比べて格段と上昇することができ、併せて高電圧ケーブルに対するこれま での危惧を一掃できる。 Since the coating gun of the present invention is configured as described above, first, the high-voltage cable from the power supply to the coating gun can be omitted, and as a result, it can be easily attached to, for example, a robot mechanism. The motion performance of the attached robot mechanism can be greatly improved compared to the conventional method, and the fear of high voltage cables can be eliminated.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明のカートリッジ式塗料供給路を空気霧化
式静電塗装ガンに配した状態の断面図である。
FIG. 1 is a sectional view showing a state where a cartridge type paint supply passage of the present invention is arranged in an air atomization type electrostatic coating gun.

【符号の説明】[Explanation of symbols]

1 塗装ガン本体 1X 前身 1Y 後身 2 締付リング 3 キャップ 3A 塗料霧化噴射孔 4 コード 5 コード貫通機構 6 塗料導管 7 塗料ホース 8 塗料ホース貫通機構 11 高電圧静電気発生器 12 高電圧抵抗機 13 電極 14 電極ガイド 15 塗料帯電用高圧印加部 16 塗料通路 1 Painting Gun Main Body 1X Predecessor 1Y Rear Body 2 Tightening Ring 3 Cap 3A Paint Atomizing Injection Hole 4 Code 5 Cord Penetration Mechanism 6 Paint Conduit 7 Paint Hose 8 Paint Hose Penetration Mechanism 11 High Voltage Electrostatic Generator 12 High Voltage Resistor 13 Electrode 14 Electrode guide 15 High voltage application section for paint charging 16 Paint passage

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 空気霧化式静電塗装ガンに於いて、該塗
装ガン内に構成する塗料帯電用高圧印加部に通電する高
電圧静電気供給部を、高電圧静電気発生器と高電圧抵抗
機を組合せて構成したことを特徴とする空気霧化式静電
塗装ガン。
1. In an air atomization type electrostatic coating gun, a high voltage static electricity supplying section for energizing a high voltage applying section for paint electrification formed in the coating gun is provided with a high voltage static electricity generator and a high voltage resistance machine. An air atomization type electrostatic coating gun characterized by being combined with.
JP1995014001U 1995-12-08 1995-12-08 Air atomization type electrostatic painting gun Expired - Lifetime JP3025661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1995014001U JP3025661U (en) 1995-12-08 1995-12-08 Air atomization type electrostatic painting gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1995014001U JP3025661U (en) 1995-12-08 1995-12-08 Air atomization type electrostatic painting gun

Publications (1)

Publication Number Publication Date
JP3025661U true JP3025661U (en) 1996-06-21

Family

ID=43160851

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1995014001U Expired - Lifetime JP3025661U (en) 1995-12-08 1995-12-08 Air atomization type electrostatic painting gun

Country Status (1)

Country Link
JP (1) JP3025661U (en)

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