JPS63106967U

JPS63106967U -

Info

Publication number: JPS63106967U
Application number: JP20093386U
Authority: JP
Priority date: 1986-12-29
Filing date: 1986-12-29
Publication date: 1988-07-11

Description

[Brief explanation of the drawing]

第１図は本考案の実施例のロータリーバルブを
使用した接着剤塗布機構の要部を示す部分断面図
した平面図、第２図は第１図Ｓ―Ｓ線による断面
図である。第３図は本考案のロータリーバルブの
弁作用を示す略図、第４図は第３図の弁作用にお
ける供給区間と遮断区間との繰り返しを示す略図
、第５図は揺動手段の揺動角の変化による供給量
（塗布量）の変化を示す略図、第６図は円筒弁体
の揺動速度の変化による供給タイミング（塗布位
置）の変化を示す略図である。第７図は揺動に代
えて、間欠回動、連続回転させた場合における供
給量、供給タイミングの変化を示す略図である。
第８図は本考案の弁ハウジングを示す斜視図、第
９図は同じく縦断面図である。第１０図は本考案
の円筒弁体の他の実施例を示す斜視図、第１１図
は第３図同様の略図である。１…弁ハウジング、２…円筒弁体、１１…供給
ポート、１２…吐出ポート、１３…戻りポート、
２１…弁溝、２６，２７…ゴムリング。 FIG. 1 is a partially sectional plan view showing essential parts of an adhesive application mechanism using a rotary valve according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along the line S--S in FIG. 1. Fig. 3 is a schematic diagram showing the valve action of the rotary valve of the present invention, Fig. 4 is a schematic diagram showing the repetition of the supply section and cutoff section in the valve action of Fig. 3, and Fig. 5 is the oscillating angle of the oscillating means. FIG. 6 is a schematic diagram illustrating changes in the supply amount (coating amount) due to changes in , and FIG. 6 is a schematic diagram showing changes in supply timing (coating position) due to changes in the swinging speed of the cylindrical valve body. FIG. 7 is a schematic diagram showing changes in supply amount and supply timing when intermittent rotation or continuous rotation is used instead of rocking.
FIG. 8 is a perspective view showing the valve housing of the present invention, and FIG. 9 is a longitudinal sectional view thereof. FIG. 10 is a perspective view showing another embodiment of the cylindrical valve body of the present invention, and FIG. 11 is a schematic diagram similar to FIG. 3. DESCRIPTION OF SYMBOLS 1... Valve housing, 2... Cylindrical valve body, 11... Supply port, 12... Discharge port, 13... Return port,
21... Valve groove, 26, 27... Rubber ring.

Claims

[Scope of utility model registration request]

A cylindrical valve body 2 having a valve groove 21 formed on the circumferential surface of the cylindrical body, and a cylindrical valve body 2 that rotatably supports the cylindrical valve body 2 in a sealed state and has an opening at a position where it can communicate with the valve groove 21 of the cylindrical valve body 2. In a rotary valve with a pressurized fluid path having a valve housing 1 having an inlet port 11, an outlet port 12, and a return port 13, a shaft 22 protrudes from both end surfaces of a cylindrical valve body 2.
, 23 to the valve housing 1 via bearings 24, 25.
It is rotatably supported by bearings 24 and 25.
Rubber rings 26, 27 are placed between the valve housing 1 and the valve housing 1.
A rotary valve for a pressurized fluid path, characterized in that a rotary valve is provided with a pressurized fluid path.