JPH0239378B2 - MUTANMARUPATSUKINNOSEIZOHOHO - Google Patents
MUTANMARUPATSUKINNOSEIZOHOHOInfo
- Publication number
- JPH0239378B2 JPH0239378B2 JP18158682A JP18158682A JPH0239378B2 JP H0239378 B2 JPH0239378 B2 JP H0239378B2 JP 18158682 A JP18158682 A JP 18158682A JP 18158682 A JP18158682 A JP 18158682A JP H0239378 B2 JPH0239378 B2 JP H0239378B2
- Authority
- JP
- Japan
- Prior art keywords
- endless
- drive shaft
- endless material
- driven shaft
- manufacturing
- 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
- 238000012856 packing Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Description
【発明の詳細な説明】
本発明は断面角形状の無端素材から無端丸パツ
キンを製造する方法に関し、更に詳しくは、全長
にわたり斎一な真円度及び断面寸法を備える無短
丸パツキンまたはＯリングを製造し得る方法を提
示するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing an endless round packing from an endless material having a square cross section, and more specifically to an endless round packing or an O-ring having uniform roundness and cross-sectional dimensions over the entire length. The present invention presents a method for producing .
従来、断面角形状の無端素材から無端丸パツキ
ンを製造する方法としては、第１図に示すよう
に、周面に材料供給溝２を周設された駆動軸１
と、該駆動軸１に対する間隔を調節可能に配置さ
れた従動軸３に、断面角形状の無端素材５を巻掛
け、無端素材５の中央部に配置した押圧手段７に
より、無端素材５をその運動方向と交差する方向
に押圧して無端素材５に捻転を生起させながら、
駆動軸１に対し離接自在に配置した研削砥石９に
より断面円形状に研削する方法（特公昭47−
32310号公報参照）或いは第２図に示すように、
断面角形状の無端素材５を駆動軸１と従動軸３に
８字状に交差させて巻掛けることにより、無端素
材５に捻転を生起させて研削砥石９により断面円
形状に研削する方法（特公昭55−23142号公報参
照）が知られているが、上記した無端丸パツキン
の製造方法のいずれにおいても、無端素材５の捻
転が全断面において必ずしも斎一に生じないため
に、全長にわたつて均一な真円度及び寸法精度が
得られることを期待し得なかつた。すなわち、第
１図の製造装置においては、押圧手段７が固定さ
れ、又第２図のものにおいては、無端素材５の交
差位置が固定されていることにより、無端素材５
の捻転がほゞ定常状態に保たれ、しかし捻転角度
が無端素材５の長さ方向に沿つて、一定の周期の
もとに変化する傾向を示すために、研削後の断面
形状が長さ方向に沿つて不斎一になり、パツキン
として使用した際に、全長にわたつて均一なシー
ル性を期待することが必ずしも許されなかつた。 Conventionally, as a method for manufacturing an endless round packing from an endless material having a rectangular cross-section, as shown in FIG.
Then, an endless material 5 having a rectangular cross section is wound around a driven shaft 3 whose interval with respect to the driving shaft 1 can be adjusted, and the endless material 5 is pushed by a pressing means 7 arranged at the center of the endless material 5. While causing twisting in the endless material 5 by pressing in a direction that intersects with the direction of movement,
A method of grinding into a circular cross-section using a grinding wheel 9 disposed so as to be able to move toward and away from the drive shaft 1 (Special Publication No. 47-
32310) or as shown in Figure 2,
A method of twisting the endless material 5 with a square cross section by winding it around the drive shaft 1 and the driven shaft 3 in a figure-eight shape, and grinding the endless material 5 into a circular cross section with a grinding wheel 9 (special method). (Refer to Publication No. 55-23142), but in any of the above-mentioned endless round packing methods, since the twisting of the endless material 5 does not necessarily occur uniformly in the entire cross section, the twisting occurs over the entire length. It could not be expected that uniform roundness and dimensional accuracy would be obtained. That is, in the manufacturing device shown in FIG. 1, the pressing means 7 is fixed, and in the device shown in FIG. 2, the intersecting position of the endless material 5 is fixed, so that the endless material 5
Since the torsion of the endless material 5 is maintained in a substantially steady state, but the torsion angle tends to change at a constant period along the length of the endless material 5, the cross-sectional shape after grinding is When used as a seal, it was not always possible to expect uniform sealing over the entire length.
本発明は、上記した従来技術による無端丸パツ
キンの製造方法における問題点に鑑み従動軸３に
対し、第３図の実施例において矢印をもつて示す
軸方向の往復運動、同図に矢印Ｂをもつて示す方
向の揺動又は第４図及び第５図の実施例において
矢印Ｃをもつて示す方向の揺動を付与するか、或
いは上記した往復運動及び揺動を適宜の組合せで
付与して、駆動軸１の材料供給溝２に進入する無
端素材５の捻転を非定常状態に保つことにより、
無端素材の全周面を均等に研削砥石周面に接触さ
せて、研削による無端丸パツキンが全長にわたつ
て正確な円形断面及び寸法精度を示し得るごとく
構成するものである。従動軸を軸方向に移動させ
る手段としては、駆動軸の回転に連動するピスト
ン装置、カム機構、クランク機構等が使用され、
従動軸を揺動させる手段としては、従動軸を揺動
可能に支える支承手段に対し駆動軸の回転に連動
するカム機構、クランク機構等を付設する構成が
使用される。 In view of the problems in the method of manufacturing an endless round packing according to the prior art described above, the present invention provides reciprocating motion in the axial direction shown by the arrow in the embodiment of FIG. 3 for the driven shaft 3. 4 and 5, or in the direction shown by arrow C in the embodiments of FIGS. 4 and 5, or an appropriate combination of the above reciprocating motion and rocking , by keeping the twist of the endless material 5 entering the material supply groove 2 of the drive shaft 1 in an unsteady state,
The entire circumferential surface of the endless material is brought into uniform contact with the circumferential surface of the grinding wheel, so that the endless round packing produced by grinding can exhibit an accurate circular cross section and dimensional accuracy over the entire length. As means for moving the driven shaft in the axial direction, a piston device, a cam mechanism, a crank mechanism, etc. that are linked to the rotation of the drive shaft are used.
As a means for swinging the driven shaft, a structure is used in which a cam mechanism, a crank mechanism, etc. that is linked to the rotation of the drive shaft is attached to a support means that swingably supports the driven shaft.
本発明の無端丸パツキンの製造方法は、上記の
如く、従動軸を駆動軸に対し、軸方向に往復移動さ
せるか又は軸心方向を揺動させることにより、無
端素材の捻転を非定常状態に保つごとくに構成さ
れていることにより、砥石による断面角形状の無
端素材の研削が該無端素材の各断面における全周
面について斎一に行なわれるために、研削により
製せられた無端丸パツキンは、全長にわたつて正
確な直円度と高精度の寸法を備えることがでる。 As described above, the method for manufacturing an endless round packing of the present invention brings the torsion of the endless material into an unsteady state by reciprocating the driven shaft in the axial direction or swinging the axial direction with respect to the drive shaft. Due to this structure, the endless material with a square cross section is ground by the grindstone uniformly on the entire circumferential surface of each cross section of the endless material, so the endless round packing made by grinding is , accurate roundness and highly accurate dimensions can be achieved over the entire length.
第１図及び第２図はそれぞれ従来技術による無
端丸パツキンの製造方法を示す配置図であり、第
３図は本発明による無端丸パツキンの製造方法の
実施態様を示す配置図、第４図及び第５図は同じ
く他の実施態様を示す配置図であつて、第４図は
軸方向側方から見た側視図、第５図は第４図上に
矢印−を付した方向による側視図を示す。
１……駆動軸、２……材料供給溝、３……従動
軸、５……無端素材、９……研削砥石、Ａ……従
動軸移動方向、Ｂ……従動軸揺動方向。
1 and 2 are layout diagrams showing a method for manufacturing an endless round packing according to the prior art, FIG. 3 is a layout diagram showing an embodiment of a method for manufacturing an endless round packing according to the present invention, and FIG. Fig. 5 is a layout diagram showing another embodiment, in which Fig. 4 is a side view seen from the axial side, and Fig. 5 is a side view in the direction indicated by the arrow - on Fig. 4. Show the diagram. 1... Drive shaft, 2... Material supply groove, 3... Driven shaft, 5... Endless material, 9... Grinding wheel, A... Driven shaft movement direction, B... Driven shaft swing direction.
Claims (1)
と、回転自在に支承された従動軸３に、断面角形
状の無端素材５を巻掛け、前記駆動軸１の回転に
より運動する前記無端素材５に研削砥石９を摺接
させて無端丸パツキンを製造する方法において、
前記従動軸３を前記駆動軸１に対し、軸方向に相
対移動させるか又は中心軸線方向を相対揺動させ
て、前記無端素材５の捻転に変化を生起させるご
とくなしたことを特徴とする無端丸パツキンの製
造方法。1 Drive shaft 1 equipped with an annular material supply groove 2 on the circumferential surface
Then, an endless material 5 having a square cross section is wound around a rotatably supported driven shaft 3, and a grinding wheel 9 is brought into sliding contact with the endless material 5 which moves with the rotation of the drive shaft 1 to form an endless round packing. In the method of manufacturing,
The endless device is characterized in that the driven shaft 3 is moved relative to the drive shaft 1 in the axial direction or relatively oscillated in the direction of the central axis to cause a change in the twist of the endless material 5. Method of manufacturing round padskin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18158682A JPH0239378B2 (en) | 1982-10-15 | 1982-10-15 | MUTANMARUPATSUKINNOSEIZOHOHO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18158682A JPH0239378B2 (en) | 1982-10-15 | 1982-10-15 | MUTANMARUPATSUKINNOSEIZOHOHO |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5970542A JPS5970542A (en) | 1984-04-21 |
| JPH0239378B2 true JPH0239378B2 (en) | 1990-09-05 |
Family
ID=16103395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18158682A Expired - Lifetime JPH0239378B2 (en) | 1982-10-15 | 1982-10-15 | MUTANMARUPATSUKINNOSEIZOHOHO |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0239378B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890437B (en) * | 2018-06-22 | 2020-06-16 | 贵州荣兴新型建材科技有限公司 | Marble-like processing technology |
-
1982
- 1982-10-15 JP JP18158682A patent/JPH0239378B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5970542A (en) | 1984-04-21 |
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