JP2000051776A - Method of applying powder to inner surface of green tire, and device therefor - Google Patents
Method of applying powder to inner surface of green tire, and device thereforInfo
- Publication number
- JP2000051776A JP2000051776A JP10227928A JP22792898A JP2000051776A JP 2000051776 A JP2000051776 A JP 2000051776A JP 10227928 A JP10227928 A JP 10227928A JP 22792898 A JP22792898 A JP 22792898A JP 2000051776 A JP2000051776 A JP 2000051776A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- green tire
- tire
- mounting table
- green
- 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.)
- Pending
Links
Abstract
Description
【０００１】この発明は、グリーンタイヤ内面への粉体
塗布方法及びその装置に係わり、更に詳しくは離型剤等
の粉体自体をグリーンタイヤの内壁面に直接塗布させる
粉体塗布方法及びその装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for applying powder to the inner surface of a green tire, and more particularly to a method and an apparatus for applying powder itself such as a release agent directly to the inner wall surface of a green tire. It is about.
【０００２】[0002]
【従来の技術】従来、成形されたグリーンタイヤ（未加
硫タイヤ）の内壁面に、モールド及びブラダーとの離型
性を良くするために、タルク，雲母，シリコン等の粉体
やシリコンオイルを水で溶解させた離型剤をスプレーガ
ンにて吹き付けながら塗布することが知られている。2. Description of the Related Art Conventionally, powder such as talc, mica, silicon or the like or silicon oil is applied to the inner wall surface of a molded green tire (unvulcanized tire) in order to improve the releasability from a mold and a bladder. It is known that a release agent dissolved in water is applied while being sprayed with a spray gun.
【０００３】[0003]
【発明が解決しようとする問題点】ところで、上記のよ
うに液状の離型剤を塗布する方法では、スプレーガン
の詰まり、離型剤の外部飛散（無駄な離型剤が多く発
生する）、生産リードタイムの間延び（離型剤が乾燥
するまでの時間は加硫ができない）、離型剤の有効塗
布率の低さ、等が問題となっていた。In the method of applying a liquid release agent as described above, the spray gun is clogged, the release agent scatters outside (a lot of useless release agent is generated), The production lead time is prolonged (the time required for the release agent to dry cannot be vulcanized), and the effective application rate of the release agent is low.
【０００４】この発明の目的は、スプレーガン等を使用
することなく、粉体そのものをグリーンタイヤの内壁面
に効率良く、しかも均一に塗布し、更に余剰の粉体は回
収して再び使用することが出来るようにしたグリーンタ
イヤ内面への粉体塗布方法及びその装置を提供すること
にある。[0004] It is an object of the present invention to efficiently and uniformly apply the powder itself to the inner wall surface of the green tire without using a spray gun or the like, and collect and reuse the excess powder. It is an object of the present invention to provide a method and an apparatus for applying a powder to the inner surface of a green tire, which can perform the method described above.
【０００５】[0005]
【課題を解決するための手段】この発明は上記目的を達
成するため、グリーンタイヤを水平に設置するタイヤ載
置台上に、グリーンタイヤの内部に旋回流を生じさせる
エアーノズルを設け、前記タイヤ載置台の下部に粉体回
収装置を設置すると共に、この粉体回収装置に接続して
粉体供給装置を設置し、前記タイヤ載置台の上部に、グ
リーンタイヤの上部開口部を密閉させる昇降可能な密閉
蓋を設け、この密閉蓋にグリーンタイヤの内部に粉体を
供給するための粉体供給ノズルを設けると共に、該粉体
供給ノズルと、前記粉体供給装置とを、粉体供給通路を
介して接続したことを要旨とするものである。In order to achieve the above object, the present invention provides an air nozzle for generating a swirling flow inside a green tire on a tire mounting table on which a green tire is installed horizontally. A powder collecting device is installed at the lower part of the mounting table, and a powder supply device is installed in connection with the powder collecting device, and the upper part of the tire mounting table can be lifted and lowered to seal the upper opening of the green tire. A hermetic lid is provided, and the hermetic lid is provided with a powder supply nozzle for supplying powder inside the green tire, and the powder supply nozzle and the powder supply device are connected via a powder supply passage. The point is that the connection has been made.
【０００６】この発明は上記のように構成され、タイヤ
載置台上にグリーンタイヤの一側面を水平に載置させた
後、他側面を昇降可能な密閉蓋により密閉し、前記グリ
ーンタイヤの内部に、内周方向に沿ってエアーを吹き付
けて旋回する渦流を生じさせ、この状態で密閉蓋からグ
リーンタイヤの内部へ粉体を供給してグリーンタイヤ内
壁面に粉体を付着させると共に、付着しない粉体は、タ
イヤ載置台の下部に設けた粉体回収装置により回収し
て、再び供給側に循環するようにしたので、スプレーガ
ン等を使用することなく、粉体そのものをグリーンタイ
ヤの内壁面に効率良く、しかも均一に塗布することが出
来、また余剰の粉体は回収して再び使用することが出来
るものである。The present invention is configured as described above. After one side of the green tire is horizontally mounted on the tire mounting table, the other side is sealed with a vertically movable sealing lid, and the inside of the green tire is closed. In this state, air is blown along the inner circumferential direction to generate a swirling vortex, and in this state, powder is supplied from the sealing lid to the inside of the green tire to adhere the powder to the inner surface of the green tire, and powder that does not adhere to the green tire. The body is collected by a powder collection device provided under the tire mounting table and circulated again to the supply side, so the powder itself is applied to the inner wall surface of the green tire without using a spray gun etc. The coating can be performed efficiently and uniformly, and the surplus powder can be collected and reused.
【０００７】[0007]
【発明の実施例】以下、添付図面に基づき、この発明の
実施例を説明する。図１は、この発明を実施した粉体塗
布装置の概略構成図を示し、この粉体塗布装置は、グリ
ーンタイヤＷを水平に設置するタイヤ載置台１上に設け
た中空フレーム２の複数箇所に、グリーンタイヤＷの内
部に旋回流を生じさせるエアーノズル３が所定の間隔で
配設してある。Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a schematic configuration diagram of a powder coating apparatus embodying the present invention. Air nozzles 3 for generating a swirling flow inside the green tire W are arranged at predetermined intervals.
【０００８】なおこの実施形態では、前記タイヤ載置台
１は移動可能な台車４上に設置してあるが、タイヤ載置
台１を固定式にすることも可能である。前記タイヤ載置
台１の中空フレーム２の下部には、ホッパー等の粉体回
収装置５が設置してあり、この粉体回収装置５の下部
は、配管６を介して粉体回収ボックス７に接続され、更
に粉体回収ボックス７の下部には、タルク，雲母，シリ
コン等の粉体Ｑを供給するコンプレッサー等を備えた粉
体供給装置８が連結されている。In this embodiment, the tire mounting table 1 is installed on a movable carriage 4. However, the tire mounting table 1 may be fixed. A powder recovery device 5 such as a hopper is installed below the hollow frame 2 of the tire mounting table 1, and the lower portion of the powder recovery device 5 is connected to a powder recovery box 7 via a pipe 6. Further, a powder supply device 8 provided with a compressor for supplying a powder Q such as talc, mica, silicon or the like is connected to a lower portion of the powder recovery box 7.
【０００９】前記タイヤ載置台１の上部には、グリーン
タイヤＷの上部開口部を密閉させる昇降可能な密閉蓋９
が設けてあり、この密閉蓋９の略中央には、グリーンタ
イヤＷの内部に粉体Ｑを供給するための粉体供給ノズル
１０が設けてあり、この粉体供給ノズル１０と、前記粉
体供給装置８が連結した粉体回収ボックス７の下部とは
粉体供給通路１１を介して接続されている。On the upper part of the tire mounting table 1, a vertically movable sealing lid 9 for sealing the upper opening of the green tire W is provided.
A powder supply nozzle 10 for supplying powder Q into the green tire W is provided substantially at the center of the closed lid 9. The lower part of the powder recovery box 7 to which the supply device 8 is connected is connected via a powder supply passage 11.
【００１０】前記密閉蓋９は、台車４上に立設された支
柱１２に、シリンダー１３を介して昇降する片持ち状態
の支持フレーム１４が取付けられ、この支持フレーム１
４に支持ロッド１５を介して密閉蓋９が水平に吊設され
ている。また前記グリーンタイヤＷの上下面を密閉保持
するタイヤ載置台１の中空フレーム２と密閉蓋９とに
は、グリーンタイヤＷとタイヤ載置台１及び密閉蓋９と
の隙間から粉体Ｑが流出するのを防止する複数本のエア
ーノズル１６が配設してある。A cantilevered support frame 14 which is raised and lowered via a cylinder 13 is attached to a column 12 erected on the carriage 4 of the sealing lid 9.
A sealing lid 9 is hung horizontally on a support rod 4 via a support rod 15. The powder Q flows out of the gap between the green tire W, the tire mounting table 1 and the sealing lid 9 into the hollow frame 2 and the sealing lid 9 of the tire mounting table 1 for holding the upper and lower surfaces of the green tire W in a sealed manner. A plurality of air nozzles 16 are provided to prevent this.
【００１１】この発明は、上記のように構成され、粉体
Ｑの塗布方法としては、まず密閉蓋９を上昇させた状態
で、タイヤ載置台１の中空フレーム２上に、グリーンタ
イヤＷの一側面を水平に載置させる。次いで、グリーン
タイヤＷの他側面を昇降可能な密閉蓋９により密閉する
と共に、タイヤ載置台１の中空フレーム２と密閉蓋９と
に設けた複数本のエアーノズル１６から粉体Ｑが流出す
るのを防止するためのエアーを吹き付けておき、この状
態でグリーンタイヤＷの内部に、内周方向に沿ってエア
ーノズル３から高圧エアーを吹き付けて図２に示すよう
な回転上昇旋回流の渦流Ｘを生じさせる。The present invention is configured as described above. As a method of applying the powder Q, first, the green tire W is placed on the hollow frame 2 of the tire mounting table 1 with the sealing lid 9 raised. Place the sides horizontally. Next, the other side of the green tire W is sealed by the vertically movable sealing lid 9, and the powder Q flows out from the plurality of air nozzles 16 provided on the hollow frame 2 of the tire mounting table 1 and the sealing lid 9. In this state, high-pressure air is blown from the air nozzle 3 along the inner circumferential direction to the inside of the green tire W to generate the vortex X of the rotational ascending flow as shown in FIG. Cause.
【００１２】この状態で密閉蓋９の粉体供給ノズル１０
からグリーンタイヤＷの内部へ乾燥した粉体Ｑを供給し
て未加硫状態のグリーンタイヤ内壁面に粉体を付着させ
る。なお、エアーノズル３からのエアー流量が多い時に
は、図３（ａ）に示すようにグリーンタイヤＷの上部内
壁面のエッジ部Ｗａで粉体Ｑは回転し、またエアー流量
が少ない時には、図３（ｂ）に示すようにグリーンタイ
ヤＷの下部内壁面のエッジ部Ｗｂで粉体Ｑは回転する。
従って、エアーノズル３からのエアー流量は、適宜制御
しながら供給することが望ましい。In this state, the powder supply nozzle 10 of the closed lid 9 is
Supplies the dried powder Q to the inside of the green tire W to cause the powder to adhere to the unvulcanized green tire inner wall surface. When the air flow rate from the air nozzle 3 is high, the powder Q rotates at the edge Wa of the upper inner wall surface of the green tire W as shown in FIG. As shown in (b), the powder Q rotates at the edge Wb of the lower inner wall surface of the green tire W.
Therefore, it is desirable to supply the air flow rate from the air nozzle 3 while controlling it appropriately.
【００１３】そして、上記のような方法により、粉体Ｑ
をグリーンタイヤＷの内壁面に均一に付着させ、付着し
ない残った粉体Ｑは、タイヤ載置台１の下部に設けた粉
体回収装置５に落下して、配管６を介して粉体回収ボッ
クス７に収容され、次のグリーンタイヤＷに粉体Ｑを塗
布させる場合には、この粉体回収ボックス７に回収され
た粉体Ｑと、粉体供給装置８から供給される新たな粉体
Ｑとを粉体供給ノズル１０まで供給することにより、効
率良く粉体ＱをグリーンタイヤＷに塗布することが出来
るものである。The powder Q is obtained by the above-described method.
Is uniformly adhered to the inner wall surface of the green tire W, and the remaining powder Q that does not adhere falls to a powder collecting device 5 provided at a lower portion of the tire mounting table 1 and passes through a pipe 6 to a powder collecting box. In the case where the powder Q stored in the powder collection box 7 is applied to the next green tire W, the powder Q collected in the powder collection box 7 and the new powder Q supplied from the powder supply device 8 are used. Is supplied to the powder supply nozzle 10 so that the powder Q can be efficiently applied to the green tire W.
【００１４】[0014]
【発明の効果】この発明は、上記のようにタイヤ載置台
上にグリーンタイヤの一側面を水平に載置させた後、他
側面を昇降可能な密閉蓋により密閉し、前記グリーンタ
イヤの内部に、内周方向に沿ってエアーを吹き付けて旋
回する渦流を生じさせ、この状態で密閉蓋からグリーン
タイヤの内部へ粉体を供給してグリーンタイヤ内壁面に
粉体を付着させると共に、付着しない粉体は、タイヤ載
置台の下部に設けた粉体回収装置により回収して、再び
供給側に循環するようにしたので、従来のようなスプレ
ーガン等を使用することなく、粉体そのものをグリーン
タイヤの内壁面に効率良く、しかも均一に塗布すること
が出来、更に生産リードタイムの短縮化を図ることが出
来、また粉体をグリーンタイヤの外部に飛散させること
がないので、無駄がなくなり、更に余剰の粉体は回収し
て再び使用することが出来る効果がある。According to the present invention, after one side of the green tire is mounted horizontally on the tire mounting table as described above, the other side is closed with a vertically movable sealing lid, and the inside of the green tire is sealed. In this state, air is blown along the inner circumferential direction to generate a swirling vortex, and in this state, powder is supplied from the sealing lid to the inside of the green tire to adhere the powder to the inner surface of the green tire, and powder that does not adhere to the green tire. The body is collected by a powder collection device provided below the tire mounting table and circulated again to the supply side, so that the powder itself can be used as a green tire without using a conventional spray gun. Can be efficiently and uniformly applied to the inner wall surface of the vehicle, further shortening the production lead time, and preventing the powder from scattering to the outside of the green tire. Whilst the effect of further excess powder can be used again recovered.
【００１５】また、装置自体の構成も簡単で、グリーン
タイヤの取付け，取外しも効率良く行うことが出来る効
果がある。Also, the structure of the device itself is simple, and there is an effect that the mounting and dismounting of the green tire can be performed efficiently.
【図１】この発明を実施した粉体塗布装置の概略構成図
である。FIG. 1 is a schematic configuration diagram of a powder coating apparatus embodying the present invention.
【図２】グリーンタイヤ内部へのエアー吹き付け状態を
示す説明図である。FIG. 2 is an explanatory diagram showing a state in which air is blown into a green tire.
【図３】（ａ），（ｂ）は、エアーノズルからのエアー
流量により粉体の付着状態を示す説明図で、（ａ）は、
エアー流量が多い場合の説明図、（ｂ）は、エアー流量
が少ない場合の説明図である。3 (a) and 3 (b) are explanatory diagrams showing a state of powder adhesion by an air flow rate from an air nozzle, and FIG.
FIG. 4B is an explanatory diagram when the air flow rate is high, and FIG. 4B is an explanatory diagram when the air flow rate is low.
１ タイヤ載置台 ２ 中空フレ
ーム ３ エアーノズル ４ 台車 ５ 粉体回収装置 ６ 配管 ７ 粉体回収ボックス ８ 粉体供給
装置 ９ 密閉蓋 １０ 粉体供給
ノズル １１ 粉体供給通路 １２ 支柱 １３ シリンダー １４ 支持フ
レーム １５ 支持ロッド Ｗ グリー
ンタイヤ Ｑ 粉体 Ｘ 渦流REFERENCE SIGNS LIST 1 tire mounting table 2 hollow frame 3 air nozzle 4 carriage 5 powder recovery device 6 pipe 7 powder recovery box 8 powder supply device 9 hermetic lid 10 powder supply nozzle 11 powder supply passage 12 support 13 cylinder 14 support frame 15 Support rod W Green tire Q Powder X Eddy current
フロントページの続き Ｆターム(参考） 4D075 AA06 CA07 DA40 DB11 DC13 EA02 4F033 AA01 BA05 LA10 QA01 QB05 QB18 QE01 QE21 QE23 QE26 QH05 QH13 4F035 AA03 CE02 CE07 4F042 AA00 AA27 AB03 CB04 CB20 CB24 CC15 CC30 Continued on front page F term (reference) 4D075 AA06 CA07 DA40 DB11 DC13 EA02 4F033 AA01 BA05 LA10 QA01 QB05 QB18 QE01 QE21 QE23 QE26 QH05 QH13 4F035 AA03 CE02 CE07 4F042 AA00 AA27 AB03 CB04 CC30 CB20
Claims (4)
面を水平に載置させた後、他側面を昇降可能な密閉蓋に
より密閉し、前記グリーンタイヤの内部に、内周方向に
沿ってエアーを吹き付けて旋回する渦流を生じさせ、こ
の状態で密閉蓋からグリーンタイヤの内部へ粉体を供給
してグリーンタイヤ内壁面に粉体を付着させると共に、
付着しない粉体は、タイヤ載置台の下部に設けた粉体回
収装置により回収して、再び供給側に循環するようにし
たグリーンタイヤ内面への粉体塗布方法。1. After one side of a green tire is horizontally mounted on a tire mounting table, the other side is sealed with a vertically movable sealing lid, and air is supplied inside the green tire along an inner circumferential direction. To generate a swirling swirl, and in this state supply the powder from the sealing lid to the inside of the green tire and attach the powder to the inner surface of the green tire,
A method for applying powder to the inner surface of a green tire, in which powder that does not adhere is recovered by a powder recovery device provided below the tire mounting table and circulated again to the supply side.
載置台上に、グリーンタイヤの内部に旋回流を生じさせ
るエアーノズルを設け、前記タイヤ載置台の下部に粉体
回収装置を設置すると共に、この粉体回収装置に接続し
て粉体供給装置を設置し、前記タイヤ載置台の上部に、
グリーンタイヤの上部開口部を密閉させる昇降可能な密
閉蓋を設け、この密閉蓋にグリーンタイヤの内部に粉体
を供給するための粉体供給ノズルを設けると共に、該粉
体供給ノズルと、前記粉体供給装置とを、粉体供給通路
を介して接続して成るグリーンタイヤ内面への粉体塗布
装置。2. An air nozzle for generating a swirling flow inside the green tire is provided on a tire mounting table on which the green tire is installed horizontally, and a powder collecting device is installed below the tire mounting table. Installed a powder supply device connected to the powder recovery device, above the tire mounting table,
A liftable lid for closing the upper opening of the green tire is provided. A powder supply nozzle for supplying powder into the green tire is provided on the lid, and the powder supply nozzle and the powder A powder applying device for connecting an inner surface of a green tire to a body supplying device through a powder supplying passage.
するタイヤ載置台と密閉蓋とに、グリーンタイヤとタイ
ヤ載置台及び密閉蓋との隙間から粉体が流出するのを防
止するエアーノズルを配設した請求項２に記載のグリー
ンタイヤ内面への粉体塗布装置。3. An air nozzle for preventing powder from flowing out from a gap between the green tire, the tire mounting table, and the sealing lid is provided on the tire mounting table and the sealing lid for sealingly holding the upper and lower surfaces of the green tire. 3. The apparatus for applying powder to an inner surface of a green tire according to claim 2, which is provided.
ノズルを所定の間隔で配設し、エアーの流速を制御しな
がらグリーンタイヤの内壁面に沿って吹き付ける請求項
２または３に記載のグリーンタイヤ内面への粉体塗布装
置。4. The green according to claim 2, wherein air nozzles are arranged at a plurality of positions on the tire mounting table at predetermined intervals, and are blown along the inner wall surface of the green tire while controlling the flow rate of the air. Powder coating device for tire inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10227928A JP2000051776A (en) | 1998-08-12 | 1998-08-12 | Method of applying powder to inner surface of green tire, and device therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10227928A JP2000051776A (en) | 1998-08-12 | 1998-08-12 | Method of applying powder to inner surface of green tire, and device therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000051776A true JP2000051776A (en) | 2000-02-22 |
Family
ID=16868499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10227928A Pending JP2000051776A (en) | 1998-08-12 | 1998-08-12 | Method of applying powder to inner surface of green tire, and device therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000051776A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005087960A (en) * | 2003-09-19 | 2005-04-07 | Trinity Ind Corp | Method and apparatus for coating |
| US20110059237A1 (en) * | 2008-05-21 | 2011-03-10 | The Yokohama Rubber Co., Ltd. | Method of manufacturing pneumatic tire |
| JP2014051012A (en) * | 2012-09-06 | 2014-03-20 | Bridgestone Corp | Fiber sticking device for tire and method of sticking fiber to tire |
| CN104084359A (en) * | 2014-06-25 | 2014-10-08 | 沙嫣 | Salt spraying device for producing impregnation gloves |
| JP7302371B2 (en) | 2019-08-20 | 2023-07-04 | 横浜ゴム株式会社 | Apparatus and method for applying release agent to inner surface of unvulcanized tire |
| CN117463540A (en) * | 2023-12-27 | 2024-01-30 | 山东优盛轮胎有限公司 | Tire self-sealing adhesive spraying device |
-
1998
- 1998-08-12 JP JP10227928A patent/JP2000051776A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005087960A (en) * | 2003-09-19 | 2005-04-07 | Trinity Ind Corp | Method and apparatus for coating |
| US20110059237A1 (en) * | 2008-05-21 | 2011-03-10 | The Yokohama Rubber Co., Ltd. | Method of manufacturing pneumatic tire |
| US8197897B2 (en) * | 2008-05-21 | 2012-06-12 | The Yokohama Rubber Co., Ltd. | Method of manufacturing pneumatic tire |
| JP2014051012A (en) * | 2012-09-06 | 2014-03-20 | Bridgestone Corp | Fiber sticking device for tire and method of sticking fiber to tire |
| CN104084359A (en) * | 2014-06-25 | 2014-10-08 | 沙嫣 | Salt spraying device for producing impregnation gloves |
| CN104084359B (en) * | 2014-06-25 | 2017-02-01 | 南通强生安全防护科技股份有限公司 | Salt spraying device for producing impregnation gloves |
| JP7302371B2 (en) | 2019-08-20 | 2023-07-04 | 横浜ゴム株式会社 | Apparatus and method for applying release agent to inner surface of unvulcanized tire |
| CN117463540A (en) * | 2023-12-27 | 2024-01-30 | 山东优盛轮胎有限公司 | Tire self-sealing adhesive spraying device |
| CN117463540B (en) * | 2023-12-27 | 2024-03-22 | 山东优盛轮胎有限公司 | Tire self-sealing adhesive spraying device |
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