JPH0728924Y2 - Conveyor trolley - Google Patents
Conveyor trolleyInfo
- Publication number
- JPH0728924Y2 JPH0728924Y2 JP1518090U JP1518090U JPH0728924Y2 JP H0728924 Y2 JPH0728924 Y2 JP H0728924Y2 JP 1518090 U JP1518090 U JP 1518090U JP 1518090 U JP1518090 U JP 1518090U JP H0728924 Y2 JPH0728924 Y2 JP H0728924Y2
- Authority
- JP
- Japan
- Prior art keywords
- conveyor
- coating
- frame portion
- lower frame
- coated
- 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
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、塗装ラインに沿って敷設されたラインコンベ
アの駆動チェーンで牽引されるコンベア台車に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a conveyor carriage towed by a drive chain of a line conveyor laid along a coating line.
自動車の塗装ラインには、自動車ボディやバンパー部品
などを搭載したコンベア台車を駆動チェーンで牽引する
ラインコンベアが敷設されている。In the coating line of automobiles, a line conveyor is installed in which a conveyor truck equipped with automobile bodies and bumper parts is pulled by a drive chain.
ところで、今までの自動車塗装は、絶縁性樹脂塗料を用
いた静電塗装が一般的であるから、塗料を噴霧する静電
塗装機に高電圧を印加し、コンベア台車に搭載された自
動車ボディ等を接地電位に接続していた。By the way, in the past automobile coating, electrostatic coating using an insulating resin coating is generally used, so a high voltage is applied to the electrostatic coating machine that sprays the coating, and the automobile body mounted on the conveyor truck etc. Was connected to ground potential.
しかし、最近では、世界的な環境保全運動が高まりをみ
せ、フロンガス以外にも、ハイドロカーボン等の公害物
質を発生させる有機溶剤の使用規制が叫ばれるようにな
り、これに呼応して、塗装業界においても、シンナー等
の有害な有機溶剤を大量に消費する絶縁性樹脂塗料の使
用を止めて、無公害な水性塗料による静電塗装に移行す
ることが推奨されている。However, in recent years, the global environmental conservation movement has been increasing, and in addition to CFCs, the regulation of the use of organic solvents that generate pollutants such as hydrocarbons has been screaming. It is also recommended that the use of insulating resin paints that consume a large amount of harmful organic solvents such as thinner be stopped and the electrostatic coating be performed using non-polluting water-based paints.
しかしながら、水性塗料等の導電性塗料を高電圧が印加
された静電塗装機で噴霧する場合には、その塗装機に印
加した高電圧がリークしないように、塗料供給系に絶縁
対策を施す必要があるから、（特公昭55-114366号，同5
6-141869号公報参照）、数十色もの塗料を色替して多色
塗装する自動車の塗装設備にあっては、各色塗料ごとに
夫々の塗料供給配管や塗料タンク等を絶縁しなければな
らないという非常な面倒があると同時に、絶縁状態の塗
料供給系に人が近づいて電撃を受ける危険を回避するた
めに、塗料供給配管や塗料タンク等の周囲を防護チャン
バで囲うなどの安全対策を講ずる必要もあって、絶縁対
策費や安全対策費が著しく嵩み、設備全体も著しく大型
化するという問題があった。However, when spraying conductive paint such as water-based paint with an electrostatic painter to which a high voltage is applied, it is necessary to take insulation measures in the paint supply system so that the high voltage applied to the painter does not leak. Because there is (Japanese Patent Publication No. 55-114366, 5
6-141869 gazette), in the coating equipment of an automobile that paints dozens of colors by changing colors and paints in multiple colors, it is necessary to insulate each paint supply pipe and paint tank for each color paint. At the same time, in order to avoid the risk of electric shock due to people approaching the insulated paint supply system, take safety measures such as surrounding the paint supply pipe and paint tank with a protective chamber. There is also a problem that insulation measures and safety measures are significantly increased, and the entire equipment is significantly enlarged.
このため、低コストで高品質の塗装が要求される自動車
塗装においては、絶縁対策費が著しく嵩み設備も大型化
する水性塗料の使用を見合わせているのが現状であり、
未だ絶縁性樹脂塗料による静電塗装が主流を占めてい
る。For this reason, in automobile painting, which requires low-cost and high-quality painting, the current situation is to suspend the use of water-based paints, which require significant insulation measures and increase the size of equipment.
The mainstream is still electrostatic coating with insulating resin paints.
そこで本考案は、水性塗料等の導電性塗料を用いて静電
塗装を行う場合において、塗装機の塗料供給系に絶縁対
策や安全対策を施す必要をなくすることを技術的課題と
している。Therefore, the present invention has a technical object to eliminate the need to take insulation measures or safety measures in the paint supply system of a coating machine when electrostatic coating is performed using a conductive paint such as a water-based paint.
この課題を解決するために、本考案は、導電性塗料を噴
霧する塗装機を接地電位に接続し、コンベア台車に搭載
された被塗物に高電圧を印加することによって、塗装機
の塗料供給系に面倒な絶縁対策や安全対策を施すことな
く、当該塗装機と被塗物との間に静電界が形成できるよ
うにしたものであり、具体的には、コンベア台車に、当
該台車に搭載された被塗物に高電圧を印加する機構と、
その高電圧のリークを防止する機構とを備えさせたもの
である。In order to solve this problem, the present invention is to connect a coating machine for spraying a conductive coating to a ground potential, and to apply a high voltage to an object to be coated mounted on a conveyor carriage to supply the coating material to the coating machine. An electrostatic field can be formed between the coating machine and the object to be coated without taking troublesome insulation and safety measures for the system. Specifically, it is mounted on the conveyor truck and the truck. A mechanism for applying a high voltage to the coated object,
And a mechanism for preventing the leakage of the high voltage.
すなわち、本考案は、塗装ラインに沿って敷設されたラ
インコンベアの駆動チェーンで牽引されるコンベア台車
において、コンベアレールに沿って走行する車輪を設け
た下フレーム部と、被塗物を搭載する上フレーム部とを
有し、上フレーム部は、接地電位に接続した塗装機が設
置される塗装ゾーンを搬送中の被塗物に高電圧を印加す
るために架設された集電レールに摺接する接触子が設け
られると共に、下フレーム部との間に所要の絶縁距離を
保つ絶縁支柱によって、当該下フレーム部の上方に支持
されていることを特徴とする。That is, the present invention relates to a conveyor carriage towed by a drive chain of a line conveyor laid along a coating line, a lower frame portion provided with wheels traveling along a conveyor rail, and an upper portion on which an object to be coated is mounted. The upper frame part has a frame part, and the upper frame part is in sliding contact with a current collecting rail that is installed to apply a high voltage to an object being coated in a coating zone where a painter connected to a ground potential is installed. A child is provided and is supported above the lower frame portion by an insulating column that maintains a required insulating distance from the lower frame portion.
本考案によれば、コンベア台車が、ラインコンベアの駆
動チェーンに牽引されて塗装ゾーンを通過する際に、当
該コンベア台車の上フレーム部に設けられた接触子が集
電レールに摺接して、当該上フレーム部に搭載された被
塗物に高電圧が印加される。According to the present invention, when the conveyor carriage is pulled by the drive chain of the line conveyor and passes through the coating zone, the contactor provided on the upper frame portion of the conveyor carriage slides on the current collecting rail, A high voltage is applied to the object to be coated mounted on the upper frame portion.
これにより、接地電位に接続して塗装ゾーンに設置され
た塗装機と、コンベア台車に搭載して塗装ゾーンを搬送
中の被塗物との間に、静電界が形成され、その電界作用
によって、塗装機から噴霧された塗料が被塗物の表面に
吸引吸着される。As a result, an electrostatic field is formed between the coating machine that is connected to the ground potential and installed in the coating zone, and the object that is being mounted on the conveyor cart and is being transported through the coating zone. The paint sprayed from the coating machine is sucked and adsorbed on the surface of the object to be coated.
したがって、塗装機の塗料供給系に面倒な絶縁対策等を
施さなくても、導電性塗料の静電塗装を行うことができ
る。Therefore, the conductive paint can be electrostatically coated without taking troublesome insulation measures in the paint supply system of the coating machine.
また、コンベア台車は、被塗物を搭載する上フレーム部
が、コンベアレールに沿って走行する車輪を設けた下フ
レーム部の上方に絶縁支柱で支持されて、上フレーム部
と下フレーム部との間に所要の絶縁距離が確保されてい
るから、被塗物に印加された高電圧がリークする心配も
ない。In addition, the conveyor carriage is such that the upper frame portion on which the article to be coated is mounted is supported by an insulating column above the lower frame portion provided with wheels traveling along the conveyor rail, and the upper frame portion and the lower frame portion are Since the required insulation distance is secured between them, there is no fear that the high voltage applied to the object to be coated will leak.
以下、本考案の実施例を図面に基づいて具体的に説明す
る。Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
第１図及び第２図は夫々本考案によるコンベア台車の一
例を示す正面図である。1 and 2 are front views showing an example of a conveyor truck according to the present invention.
第１図は、自動車ボディＷを搭載するコンベア台車１で
あって、コンベアレール2R,2Lに沿って走行する左右の
車輪3R,3Lを設けた下フレーム部４と、自動車ボディＷ
を搭載する上フレーム部５とを有し、上フレーム部５
は、接地電位に接続した塗装機６が設置される塗装ゾー
ンを搬送中の自動車ボディＷに80〜120KV程度の直流高
電圧を印加するために架設された集電レール７に摺接す
る接触子８が設けられると共に、下フレーム部４との間
に500〜600mm程度の絶縁距離を保つ複数本の絶縁支柱９
によって、下フレーム部４の上方に支持されている。FIG. 1 shows a conveyor truck 1 on which an automobile body W is mounted, and a lower frame portion 4 provided with left and right wheels 3R, 3L traveling along conveyor rails 2R, 2L, and an automobile body W.
And an upper frame portion 5 for mounting the
Is a contactor 8 slidably contacting a current collecting rail 7 installed to apply a high DC voltage of about 80 to 120 KV to an automobile body W which is being transported through a painting zone in which a painting machine 6 connected to a ground potential is installed. Is provided, and a plurality of insulating columns 9 that maintain an insulation distance of about 500 to 600 mm with the lower frame portion 4 are provided.
Is supported above the lower frame portion 4.
なお、コンベアレール2R,2Lの中間には、コンベア台車
１の下フレーム部４に係合して当該コンベア台車１を牽
引するラインコンベア10の駆動チェーン11が敷設されて
いる。A drive chain 11 of the line conveyor 10 that engages with the lower frame portion 4 of the conveyor carriage 1 and pulls the conveyor carriage 1 is laid between the conveyor rails 2R and 2L.
また、上フレーム部５には、碍子で成る絶縁支柱9,9…
の周囲を囲繞するスカート状の絶縁材カバー12が垂設さ
れている。In addition, the upper frame portion 5 has insulating columns 9, 9 ...
A skirt-shaped insulating material cover 12 is vertically provided so as to surround the circumference of.
また、集電レール７は、高圧ケーブル13を介して高圧発
生器14に接続されると共に、塗装ゾーンに沿って所定間
隔で設けた碍子15に固定して絶縁支持され、各碍子15に
は、円筒状の絶縁材カバー16が被せられている。The collector rail 7 is connected to a high-voltage generator 14 via a high-voltage cable 13 and fixed and insulated and supported by insulators 15 provided at predetermined intervals along the coating zone. A cylindrical insulating material cover 16 is covered.
しかして、塗装ラインに沿って敷設されたラインコンベ
ア10の駆動チェーン11で牽引されて塗装ゾーンに到来し
たコンベア台車１は、上フレーム部５に設けられた接触
子８が集電レール７に摺接して、当該上フレーム部５に
搭載された自動車ボディＷに所定の高電圧が印加され
る。Then, in the conveyor carriage 1 which has been pulled to the coating zone by being pulled by the drive chain 11 of the line conveyor 10 laid along the coating line, the contactor 8 provided in the upper frame portion 5 slides on the collector rail 7. In contact with each other, a predetermined high voltage is applied to the automobile body W mounted on the upper frame portion 5.
これにより、コンベア台車１に搭載して塗装ゾーンを搬
送中の自動車ボディＷと、接地電位に接続した塗装機６
との間に、静電界が形成され、その電界作用によって、
塗装機６から噴霧した導電性塗料の塗料粒子が、自動車
ボディＷの表面に吸引吸着される。As a result, the vehicle body W being mounted on the conveyor carriage 1 and being transported through the coating zone, and the coating machine 6 connected to the ground potential
An electrostatic field is formed between the
The paint particles of the conductive paint sprayed from the painting machine 6 are suction-adsorbed on the surface of the automobile body W.
また、自動車ボディＷを搭載するコンベア台車１の上フ
レーム部５は、ラインコンベア10の駆動チェーン11との
係合部や車輪3R,3Lを設けた下フレーム部４の上方に絶
縁支柱9,9…で支持されて、下フレーム部４との間に所
要の絶縁距離が保たれているから、自動車ボディＷに印
加された高電圧が、下フレーム部４を通じてコンベアレ
ール2R,2Lや駆動チェーン11側にリークする心配がな
い。Further, the upper frame portion 5 of the conveyor carriage 1 on which the automobile body W is mounted has insulating posts 9, 9 above the lower frame portion 4 provided with the engaging portion of the drive chain 11 of the line conveyor 10 and the wheels 3R, 3L. It is supported by ... and a required insulation distance is maintained between it and the lower frame part 4. Therefore, the high voltage applied to the automobile body W is transmitted through the lower frame part 4 to the conveyor rails 2R, 2L and the drive chain 11 Don't worry about leaking to your side.
なお、絶縁支柱9,9…の周囲をスカート状のカバー12で
囲繞したり、集電レール７を絶縁支持する碍子15にカバ
ー16を被せておけば、塗装機６から噴霧された導電性塗
料が絶縁支柱９や碍子15の表面に付着して高電圧のリー
クを生ずる心配もない。By surrounding the insulating columns 9, 9 with a skirt-shaped cover 12 or by covering the insulator 15 for insulatingly supporting the collector rail 7 with the cover 16, the conductive paint sprayed from the coating machine 6 There is no fear that the high voltage leaks due to the adhered to the surface of the insulating support column 9 or the insulator 15.
また、塗装ゾーンを通過した自動車ボディは、次に、乾
燥炉に搬送されて塗膜の加熱乾燥が行われるが、従来の
コンベア台車に搭載された自動車ボディは、乾燥炉の床
面に接近したボディ底部が所定の加熱温度に達するまで
に時間がかかり、乾燥ムラを生ずるおそれがあった。Further, the automobile body that has passed through the coating zone is then conveyed to a drying oven to heat and dry the coating film, but the automobile body mounted on the conventional conveyor truck approaches the floor of the drying oven. It takes time for the bottom of the body to reach a predetermined heating temperature, which may cause uneven drying.
これに対し、本考案によるコンベア台車１は、自動車ボ
ディＷを搭載する上フレーム部５が、絶縁支柱9,9…に
よって乾燥炉の床面から離れた上方位置に支持されるか
ら、そのボディ底部も速やかに昇温されて、乾燥ムラが
防止される。On the other hand, in the conveyor trolley 1 according to the present invention, the upper frame portion 5 for mounting the automobile body W is supported at the upper position apart from the floor surface of the drying oven by the insulating columns 9, 9 ,. The temperature is rapidly raised to prevent uneven drying.
なお、上記実施例では、自動車ボディを搭載するコンベ
ア台車について説明したが、本考案はこれに限らず、第
２図に示すようにバンパー等の部品を搭載するコンベア
台車であってもよい。In the above embodiment, the conveyor cart on which the vehicle body is mounted has been described, but the present invention is not limited to this, and may be a conveyor cart on which parts such as bumpers are mounted as shown in FIG.
すなわち、第２図に示すコンベア台車１は、コンベアレ
ール2R,2Lに沿って走行する車輪3R,3Lを設けた下フレー
ム部４と、バンパーＷを搭載する上フレーム部５とを有
し、上フレーム部５は、集電レール７に摺接する接触子
８が設けられると共に、下フレーム部４との間に所要の
絶縁距離を保つ１本の絶縁支柱９によって、当該下フレ
ーム部４の上方に支持されている。That is, the conveyor carriage 1 shown in FIG. 2 has a lower frame portion 4 provided with wheels 3R, 3L traveling along the conveyor rails 2R, 2L, and an upper frame portion 5 having a bumper W mounted thereon. The frame portion 5 is provided with a contactor 8 which is slidably contacted with the current collecting rail 7, and is provided above the lower frame portion 4 by one insulating support column 9 which maintains a required insulating distance from the lower frame portion 4. It is supported.
また、集電レール７を絶縁支持する碍子15は、塗装ゾー
ンの床面に沿って所定間隔で立設される共に、各碍子15
には、その周囲を囲繞するカバー16が被せられ、当該カ
バー16内に空気が導入されてその内部が塗料粒子の侵入
を阻止する陽圧状態に保たれている。In addition, the insulators 15 that insulatively support the current collecting rails 7 are erected at predetermined intervals along the floor surface of the coating zone, and each insulator 15
A cover 16 that surrounds the periphery of the cover 16 is covered, and air is introduced into the cover 16 so that the inside thereof is kept in a positive pressure state that prevents the infiltration of paint particles.
なお、その他の構成は、第１図に示すコンベア台車と共
通するので、同一符号を付して詳細説明は省略する。Since the other configurations are common to those of the conveyor cart shown in FIG. 1, the same reference numerals are given and detailed description thereof will be omitted.
以上述べたように、本考案によれば、塗装ラインに沿っ
て被塗物を搬送するコンベア台車に簡易な改造を施すだ
けで、塗装機の塗料供給系に面倒で且つ設備費が嵩み設
備も大型化する大掛かりな絶縁対策や安全対策を施すこ
となく、導電性塗料の静電塗装を行うことができるとい
う大変優れた効果がある。As described above, according to the present invention, a simple modification of the conveyor carriage that conveys the object to be coated along the coating line makes the paint supply system of the coating machine troublesome and the equipment cost is high. It also has a very excellent effect that electrostatic coating of conductive paint can be performed without taking large-scale insulation and safety measures.
したがって、絶縁性樹脂塗料による静電塗装から、無公
害な水性塗料による静電塗装への移行を推進することが
でき、非常に有用性の高いものである。Therefore, it is possible to promote the shift from the electrostatic coating using the insulating resin coating to the electrostatic coating using the non-polluting water-based coating, which is extremely useful.
第１図及び第２図は夫々本考案によるコンベア台車の一
例を示す正面図である。 符号の説明 Ｗ……被塗物（自動車ボディ，バンパー）、１……コン
ベア台車、2R,2L……コンベアレール、3R,3L……車輪、
４……下フレーム部、５……上フレーム部、６……塗装
機、７……集電レール、８……接触子、９……絶縁支
柱、10……ラインコンベア、11……駆動チェーン。1 and 2 are front views showing an example of a conveyor truck according to the present invention. Explanation of reference symbols W: Object to be coated (car body, bumper), 1 ... Conveyor cart, 2R, 2L ... Conveyor rail, 3R, 3L ... Wheel,
4 ... Lower frame part, 5 ... Upper frame part, 6 ... Coating machine, 7 ... Current collecting rail, 8 ... Contactor, 9 ... Insulating support, 10 ... Line conveyor, 11 ... Drive chain .
───────────────────────────────────────────────────── フロントページの続き (72)考案者 大村 徹 愛知県豊田市柿本町１丁目９番地 トリニ ティ工業株式会社内 (56)参考文献 特開 平３−196859（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Toru Omura 1-9 Kakimoto-cho, Toyota-shi, Aichi Trinity Industry Co., Ltd. (56) Reference JP-A-3-196859 (JP, A)
Claims (1)
ベア（10）の駆動チェーン（11）で牽引されるコンベア
台車（１）において、コンベアレール（2R），（2L）に
沿って走行する車輪（3R），（3L）を設けた下フレーム
部（４）と、被塗物（Ｗ）を搭載する上フレーム部
（５）とを有し、上フレーム部（５）は、接地電位に接
続した塗装機（６）が設置される塗装ゾーンを搬送中の
被塗物（Ｗ）に高電圧を印加するために架設された集電
レール（７）に摺接する接触子（８）が設けられると共
に、下フレーム部（４）との間に所要の絶縁距離を保つ
絶縁支柱（９）によって、当該下フレーム部（４）の上
方に支持されていることを特徴とするコンベア台車。A wheel traveling along conveyor rails (2R), (2L) in a conveyor carriage (1) towed by a drive chain (11) of a line conveyor (10) laid along a coating line. It has a lower frame part (4) provided with (3R) and (3L) and an upper frame part (5) on which the article to be coated (W) is mounted, and the upper frame part (5) is connected to the ground potential. A contactor (8) slidingly contacting a current collecting rail (7) installed to apply a high voltage to an object to be coated (W) being conveyed through a coating zone in which the coating machine (6) is installed is provided. At the same time, a conveyor truck is supported above the lower frame portion (4) by an insulating support column (9) that maintains a required insulating distance from the lower frame portion (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1518090U JPH0728924Y2 (en) | 1990-02-20 | 1990-02-20 | Conveyor trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1518090U JPH0728924Y2 (en) | 1990-02-20 | 1990-02-20 | Conveyor trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03105948U JPH03105948U (en) | 1991-11-01 |
| JPH0728924Y2 true JPH0728924Y2 (en) | 1995-07-05 |
Family
ID=31518498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1518090U Expired - Lifetime JPH0728924Y2 (en) | 1990-02-20 | 1990-02-20 | Conveyor trolley |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0728924Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013086009A (en) * | 2011-10-17 | 2013-05-13 | Yamamoto Co Ltd | Automatic rice milling device |
-
1990
- 1990-02-20 JP JP1518090U patent/JPH0728924Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013086009A (en) * | 2011-10-17 | 2013-05-13 | Yamamoto Co Ltd | Automatic rice milling device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03105948U (en) | 1991-11-01 |
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