CN102661462A - High-speed rotary joint - Google Patents
High-speed rotary joint Download PDFInfo
- Publication number
- CN102661462A CN102661462A CN2012101471474A CN201210147147A CN102661462A CN 102661462 A CN102661462 A CN 102661462A CN 2012101471474 A CN2012101471474 A CN 2012101471474A CN 201210147147 A CN201210147147 A CN 201210147147A CN 102661462 A CN102661462 A CN 102661462A
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- China
- Prior art keywords
- joint
- ring
- upper shell
- stationary ring
- lower shell
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Abstract
The invention touch on a high-speed rotary joint which comprises an upper shell, a lower shell, a bearing, a joint, a stationary ring, a movable ring, a metal corrugated pipe, soft graphite rings and a sealing rotation-preventing ring, wherein the tail segment of the upper shell is connected with and fixed to the head segment of the lower shell, the middle segment of the joint is installed at the tail segment of the inner hole of the lower shell by the bearing in a rotation manner, the stationary ring is installed inside the upper shell, the soft graphite ring is installed between the stationary ring and the upper shell, the movable ring is sleeved at the head end of the joint and clings to the stationary ring inside the upper shell, the metal corrugated pipe is sleeved on the joint, the sealing rotation-preventing ring is fixed on the joint, the soft graphite ring is arranged between the sealing rotation-preventing ring and the metal corrugated pipe, a fastening screw and at least two pressing screws are arranged on the sealing rotation-preventing ring, the tail ends of the pressing screws abut against the metal corrugated pipe, the fastening screw abuts against the joint, a gasket is arranged at the joint of the upper shell and the lower shell. The high-speed rotary joint is simple in structure, excellent in airtightness and high in pressure resistance.
Description
Technical field
The present invention relates to the machining center field, relate in particular to a kind of high-speed joint.
Background technique
The lathe of band center water outlet at present all machining centers, swivel joint adopt two seal elements receiving external force or the pressure of fluid is fitted each other, and make the seal arrangement that relatively rotates and constitute; But there are the little characteristics of pressure resistance in it, and sealing is poor, can not satisfy the use needs at current high-precision processing center; Even the swivel joint of good airproof performance; Its internal structure generally is multi-layer sealed, and complex structure is difficult for removing and installing and keeping in repair.
Summary of the invention
In view of this, be necessary to provide a kind of simple in structure, sealing is good and withstand voltage properties is high, the high-speed joint that operates steadily.
The present invention realizes like this; A kind of high-speed joint; Comprise upper shell, lower shell body, bearing, joint, stationary ring, rotating ring, metal bellows, soft graphite annulus and sealing anti-rotation rotating ring, it is fixing that the latter end of said upper shell and said lower shell body first section is connected, and said upper shell is coaxial with said lower shell body; The stage casing of said joint is rotatably installed in the endoporus latter end of said lower shell body through said bearing; It is inner that said stationary ring is installed in said upper shell, and coaxial with said upper shell, and the soft graphite annulus with sealing characteristics is installed between said stationary ring and the said upper shell;
Said rotating ring ring set is at the head end of said joint, and is close to mutually with the inner said stationary ring of said upper shell;
Said metal bellows ring set and is close to said rotating ring on said joint, the elasticity direction of said metal bellows is parallel with the medial axis of said rotating ring;
Said sealing anti-rotation rotating ring is fixed on the said joint; And be provided with soft graphite annulus between said sealing anti-rotation rotating ring and the said metal bellows with sealing characteristics; Said sealing anti-rotation rotating ring is provided with and holds out against screw and at least two housing pins; The end of said housing pin all props up said metal bellows, and the jerk-finger of the sensing of said housing pin and metal bellows is to consistent, and the said screw that holds out against props up said joint;
The joint of said upper shell and said lower shell body is provided with sealing gasket.
Further, said upper shell end is provided with connecting groove, and extension is provided with the stationary ring groove to said upper shell stage casing on the basis of said connecting groove, and said connecting groove is coaxial with said stationary ring groove.
Further; On said connecting groove; Be provided with internal thread with said stationary ring groove position adjacent, be provided with the outside thread that is complementary with said internal thread at the head end of said lower shell body, said upper shell and said lower shell body are screwed through said internal thread and said outside thread.
Further, said stationary ring groove is provided with stop pin, and said stop pin is connected fixing with said upper shell.
Further, said stationary ring groove inside is provided with the corner slots that supplies to place soft graphite annulus.
Further, said stationary ring is located in the said stationary ring groove, on said stationary ring, is provided with and the said stop pin anti-rotation cotter way that is complementary.
Further, the joint of said bearing both sides and said lower shell body inwall is provided with the hole and uses back-up ring, and is provided with shaft block ring in the joint of said bearing both sides and said joint.
Further, said upper shell is provided with water intake, and said water intake is communicated with said stationary ring groove.
Further, said lower shell body is provided with scupper, and said scupper is communicated with said lower shell body endoporus.
Further, said stationary ring and said rotating ring are same material, and said material is Tungsten carbite or pottery.
The advantage of high-speed joint provided by the invention is: through rotating ring, stationary ring and metal bellows being set and being arranged on the sealing anti-rotation rotating ring housing pin is set; And the material of rotating ring and stationary ring is Tungsten carbite or pottery; Under the effect of housing pin, metal bellows is sent to active force on the rotating ring, and rotating ring and said stationary ring are tightly pressed together each other; Mutual characterization of adsorption through said material improves sealing greatly;
Through the soft rock China ink with sealing characteristics is set, effectively improved the sealing of high-speed joint of the present invention between stationary ring and upper shell;
Joint through at upper shell and lower shell body is provided with sealing gasket, improves the sealing of high-speed joint of the present invention;
Through joint the hole is set and uses back-up ring, and shaft block ring is set, improve the sealing of high-speed joint of the present invention in the joint of said bearing both sides and said joint at said bearing both sides and said lower shell body inwall;
Through stop pin is set, effectively avoided the generation of the autorotation phenomenon of stationary ring, improved the serviceability and the sealing effect of material;
Hold out against screw through on sealing anti-rotation rotating ring, being provided with, effectively placed the generation of the autorotation phenomenon of joint, improved the serviceability and the sealing of equipment integral;
High-speed joint of the present invention is simple in structure, sealing is good and withstand voltage properties is high.
Description of drawings
Fig. 1 is the structural representation of high-speed joint of the present invention.
Fig. 2 is the sectional view of the upper shell among Fig. 1.
Embodiment
In order to make the object of the invention, technological scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1, Fig. 1 is the structural representation of high-speed joint 100 of the present invention.
Said high-speed joint 100 comprises upper shell 10, lower shell body 20, bearing 30, joint 40, stationary ring 50, rotating ring 60, metal bellows 70, soft graphite annulus 1,2 and sealing anti-rotation rotating ring 80; First section of the latter end of said upper shell 10 and said lower shell body 20 is connected fixing; And said upper shell 10 is coaxial with said lower shell body 20; The stage casing of said joint 40 is rotatably installed in the endoporus latter end of said lower shell body 20 through said bearing 30; Said stationary ring 50 is installed in said upper shell 10 inside; And coaxial with said upper shell 10, the soft graphite annulus 1 with sealing characteristics is installed between said stationary ring 50 and the said upper shell 10, improve the sealing between stationary ring 50 and the upper shell 10;
Said rotating ring 60 ring sets are at the head end of said joint 40, and are close to mutually with said upper shell 10 inner said stationary rings 50;
Said metal bellows 70 ring sets are on said joint 40; And be close to said rotating ring 60; The elasticity direction of said metal bellows 70 is parallel with the medial axis of said rotating ring 60; Metal bellows 70 compensates in high-speed motion owing to the equilibrant that part produced and the error that pressure difference produced of sealing medium, thereby realizes the normality sealing of liquid;
Said sealing anti-rotation rotating ring 80 is fixed on the said joint 40; And be provided with soft graphite annulus 2 between said sealing anti-rotation rotating ring 80 and the said metal bellows 70 with sealing characteristics; Improve the sealing between sealing anti-rotation rotating ring 80 and the metal bellows 70; Said sealing anti-rotation rotating ring 80 is provided with and holds out against screw 82 and at least two housing pins 81; The end of said housing pin 81 all props up said metal bellows 70, and the jerk-finger of the sensing of said housing pin 81 and metal bellows 70 is to consistent, and the said screw 82 that holds out against props up said joint 40;
Said upper shell 10 is provided with sealing gasket 90 with the joint of said lower shell body 20, improves the sealing of upper shell 10 and lower shell body 20 joints.
The joint of said bearing 30 both sides and said lower shell body 20 inwalls is provided with the hole with back-up ring 31, and is provided with shaft block ring 32 in the joint of said bearing 30 both sides and said joint 40.
See also Fig. 2, and combine Fig. 1, Fig. 2 is the sectional view of the upper shell 10 of high-speed joint 100 of the present invention.
Said upper shell 10 ends are provided with connecting groove 13; On the basis of said connecting groove 13, extend to said upper shell 10 stage casings and be provided with stationary ring groove 14, said connecting groove 13 is coaxial with said stationary ring groove 14, on said connecting groove 13; Be provided with internal thread 12 with said stationary ring groove 14 position adjacent; Head end at said lower shell body 20 is provided with the outside thread 21 that is complementary with said internal thread 12, and said upper shell 10 is screwed with said outside thread 21 through said internal thread 12 with said lower shell body 20, and said stationary ring groove 14 is provided with stop pin 11; Said stop pin 11 is connected fixing with said upper shell 10; Said stationary ring groove 14 inside are provided with the corner slots 141 of supply placing soft graphite annulus 1, and said stationary ring 50 is located in the said stationary ring groove 14, on said stationary ring 50, are provided with and the said stop pin 11 anti-rotation cotter way 51 that is complementary.
Said upper shell 10 is provided with water intake 3, and said water intake 3 is communicated with said stationary ring groove 14, and lower shell body 20 is provided with scupper 4, and said scupper 4 is communicated with said lower shell body 20 endoporus.
Said stationary ring 50 is a same material with said rotating ring 60, and said material is Tungsten carbite or pottery, because said material has certain mutual characterization of adsorption when pressing, has increased sealing greatly.
During installation, at first soft graphite annulus 1 is installed on the corner slots 141 on the said stationary ring groove 14, more said stationary ring 50 is installed in the stationary ring groove 14 of said upper shell 10; And the stop pin 11 that the anti-rotation cotter way on the stationary ring 50 51 is aimed in the upper shell 10 is installed, and compressed said soft graphite annulus 1, sealing anti-rotation rotating ring 80 is installed on the joint 40; Head end at joint 40 is installed rotating ring 60 again, between rotating ring 60 and sealing anti-rotation rotating ring 80, metal bellows 70 is installed, and metal bellows 70 is close to rotating ring 60; And between sealing anti-rotation rotating ring 80 and metal bellows 70, soft graphite annulus 2 is installed,, on sealing anti-rotation rotating ring 80, is provided with and holds out against screw 82 and at least two housing pins 81 in order to increase sealing; To hold out against screw 82 and prop up joint; In order to prevent joint 40 rotation in the course of the work, again the stage casing of joint 40 is rotatably installed in the endoporus latter end of lower shell body 20 through bearing 30, the part that is connected with joint 40 in the both sides of bearing 30 uses shaft block ring 32 to reach the effect of sealing; The part that is connected with the inner hole wall of lower shell body 20 in the both sides of bearing 30 uses the hole to reach the effect of sealing with back-up ring 31; With lower shell body 20 and install at the each several part parts on the lower shell body 20 and be installed in the lump on the upper shell 10, only need lower shell body 20 and upper shell 10 are screwed through outside thread 21 and interior spiral shell 12 lines, adjust said housing pin 81 again; Till rotating ring 60 and stationary ring 50 closely link together; Last hand rotation joint, smooth rotation then installs.
In sum; High-speed joint of the present invention is provided with housing pin through rotating ring, stationary ring and metal bellows being set and being arranged on the sealing anti-rotation rotating ring, and the material of rotating ring and stationary ring is Tungsten carbite or pottery, under the effect of housing pin; Metal bellows is sent to active force on the rotating ring; Rotating ring and said stationary ring are tightly pressed together each other, and the mutual characterization of adsorption through said material improves sealing greatly;
Through the soft rock China ink with sealing characteristics is set, effectively improved the sealing of high-speed joint of the present invention between stationary ring and upper shell;
Joint through at upper shell and lower shell body is provided with sealing gasket, improves the sealing of high-speed joint of the present invention;
Through joint the hole is set and uses back-up ring, and shaft block ring is set, improve the sealing of high-speed joint of the present invention in the joint of said bearing both sides and said joint at said bearing both sides and said lower shell body inwall;
Through stop pin is set, effectively avoided the generation of the autorotation phenomenon of stationary ring, improved the serviceability and the sealing effect of material;
Hold out against screw through on sealing anti-rotation rotating ring, being provided with, effectively placed the generation of the autorotation phenomenon of joint, improved the serviceability and the sealing of equipment integral;
High-speed joint of the present invention is simple in structure, sealing is good and withstand voltage properties is high.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. high-speed joint; Comprise upper shell, lower shell body, bearing, joint, it is fixing that the latter end of said upper shell and said lower shell body first section is connected, and said upper shell is coaxial with said lower shell body; The stage casing of said joint is rotatably installed in the endoporus latter end of said lower shell body through said bearing; It is characterized in that said high-speed joint also comprises stationary ring, rotating ring, metal bellows, soft graphite annulus and sealing anti-rotation rotating ring, it is inner that said stationary ring is installed in said upper shell; And coaxial with said upper shell, the soft graphite annulus with sealing characteristics is installed between said stationary ring and the said upper shell;
Said rotating ring ring set is at the head end of said joint, and is close to mutually with the inner said stationary ring of said upper shell;
Said metal bellows ring set and is close to said rotating ring on said joint, the elasticity direction of said metal bellows is parallel with the medial axis of said rotating ring;
Said sealing anti-rotation rotating ring is fixed on the said joint; And be provided with soft graphite annulus between said sealing anti-rotation rotating ring and the said metal bellows with sealing characteristics; Said sealing anti-rotation rotating ring is provided with and holds out against screw and at least two housing pins; The end of said housing pin all props up said metal bellows, and the jerk-finger of the sensing of said housing pin and metal bellows is to consistent, and the said screw that holds out against props up said joint;
The joint of said upper shell and said lower shell body is provided with sealing gasket.
2. high-speed joint according to claim 1 is characterized in that, said upper shell end is provided with connecting groove, and extension is provided with the stationary ring groove to said upper shell stage casing on the basis of said connecting groove, and said connecting groove is coaxial with said stationary ring groove.
3. high-speed joint according to claim 2; It is characterized in that; On said connecting groove; Be provided with internal thread with said stationary ring groove position adjacent, be provided with the outside thread that is complementary with said internal thread at the head end of said lower shell body, said upper shell and said lower shell body are screwed through said internal thread and said outside thread.
4. high-speed joint according to claim 2 is characterized in that, said stationary ring groove is provided with stop pin, and said stop pin is connected fixing with said upper shell.
5. high-speed joint according to claim 2 is characterized in that, said stationary ring groove inside is provided with the corner slots that supplies to place soft graphite annulus.
6. high-speed joint according to claim 4 is characterized in that, said stationary ring is located in the said stationary ring groove, on said stationary ring, is provided with and the said stop pin anti-rotation cotter way that is complementary.
7. high-speed joint according to claim 1 is characterized in that, the joint of said bearing both sides and said lower shell body inwall is provided with the hole and uses back-up ring, and is provided with shaft block ring in the joint of said bearing both sides and said joint.
8. high-speed joint according to claim 2 is characterized in that said upper shell is provided with water intake, and said water intake is communicated with said stationary ring groove.
9. high-speed joint according to claim 1 is characterized in that said lower shell body is provided with scupper, and said scupper is communicated with said lower shell body endoporus.
10. high-speed joint according to claim 1 is characterized in that, said stationary ring and said rotating ring are same material, and said material is Tungsten carbite or pottery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210147147.4A CN102661462B (en) | 2012-05-11 | 2012-05-11 | High-speed rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210147147.4A CN102661462B (en) | 2012-05-11 | 2012-05-11 | High-speed rotary joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102661462A true CN102661462A (en) | 2012-09-12 |
| CN102661462B CN102661462B (en) | 2014-07-30 |
Family
ID=46771005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210147147.4A Expired - Fee Related CN102661462B (en) | 2012-05-11 | 2012-05-11 | High-speed rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102661462B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897595A (en) * | 2012-10-26 | 2013-01-30 | 太仓东元微电机有限公司 | Rotor capable of preventing bearing from jumping |
| CN103185184A (en) * | 2013-03-27 | 2013-07-03 | 安徽万瑞冷电科技有限公司 | Rotating mechanism for liquid nitrogen transfusion |
| CN103640069A (en) * | 2013-12-01 | 2014-03-19 | 安徽金丰机械有限公司 | High-speed rotating joint |
| CN105135111A (en) * | 2015-10-13 | 2015-12-09 | 福建省闽旋科技股份有限公司 | Rotary joint applicable to cold and hot media |
| CN105290962A (en) * | 2015-11-19 | 2016-02-03 | 中科院南京耐尔思光电仪器有限公司 | Transmission shaft and spherical surface grinding polisher |
| CN113294444A (en) * | 2021-05-24 | 2021-08-24 | 东风锻造有限公司 | Split type main shaft mechanism of rotor type sand mixer |
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| CN2371419Y (en) * | 1998-04-29 | 2000-03-29 | 张家鑫 | High-speed rotary joint with rotary ring driven by flange of machine |
| JP2001065760A (en) * | 1999-08-23 | 2001-03-16 | Rix Corp | Bearing structure of rotary joint |
| CN101440904A (en) * | 2008-12-25 | 2009-05-27 | 重庆耐德工业股份有限公司 | Swivel joint special for chlorine liquid |
| CN201368279Y (en) * | 2009-03-12 | 2009-12-23 | 凯登约翰逊（无锡）技术有限公司 | Rotating joint |
| CN102305323A (en) * | 2011-08-25 | 2012-01-04 | 江苏腾旋科技股份有限公司 | Reverse spherical single-spring rotary joint |
| CN102313097A (en) * | 2011-08-25 | 2012-01-11 | 江苏腾旋科技股份有限公司 | Reverse spherical surface type multi-spring rotary joint |
| CN202597969U (en) * | 2012-05-11 | 2012-12-12 | 芜湖瑞精机床有限责任公司 | High-speed rotating joint |
-
2012
- 2012-05-11 CN CN201210147147.4A patent/CN102661462B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371419Y (en) * | 1998-04-29 | 2000-03-29 | 张家鑫 | High-speed rotary joint with rotary ring driven by flange of machine |
| JP2001065760A (en) * | 1999-08-23 | 2001-03-16 | Rix Corp | Bearing structure of rotary joint |
| CN101440904A (en) * | 2008-12-25 | 2009-05-27 | 重庆耐德工业股份有限公司 | Swivel joint special for chlorine liquid |
| CN201368279Y (en) * | 2009-03-12 | 2009-12-23 | 凯登约翰逊（无锡）技术有限公司 | Rotating joint |
| CN102305323A (en) * | 2011-08-25 | 2012-01-04 | 江苏腾旋科技股份有限公司 | Reverse spherical single-spring rotary joint |
| CN102313097A (en) * | 2011-08-25 | 2012-01-11 | 江苏腾旋科技股份有限公司 | Reverse spherical surface type multi-spring rotary joint |
| CN202597969U (en) * | 2012-05-11 | 2012-12-12 | 芜湖瑞精机床有限责任公司 | High-speed rotating joint |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897595A (en) * | 2012-10-26 | 2013-01-30 | 太仓东元微电机有限公司 | Rotor capable of preventing bearing from jumping |
| CN103185184A (en) * | 2013-03-27 | 2013-07-03 | 安徽万瑞冷电科技有限公司 | Rotating mechanism for liquid nitrogen transfusion |
| CN103185184B (en) * | 2013-03-27 | 2015-05-20 | 安徽万瑞冷电科技有限公司 | Rotating mechanism for liquid nitrogen transfusion |
| CN103640069A (en) * | 2013-12-01 | 2014-03-19 | 安徽金丰机械有限公司 | High-speed rotating joint |
| CN105135111A (en) * | 2015-10-13 | 2015-12-09 | 福建省闽旋科技股份有限公司 | Rotary joint applicable to cold and hot media |
| CN105135111B (en) * | 2015-10-13 | 2017-11-07 | 福建省闽旋科技股份有限公司 | A kind of swivel joint for adapting to cold and hot medium |
| CN105290962A (en) * | 2015-11-19 | 2016-02-03 | 中科院南京耐尔思光电仪器有限公司 | Transmission shaft and spherical surface grinding polisher |
| CN113294444A (en) * | 2021-05-24 | 2021-08-24 | 东风锻造有限公司 | Split type main shaft mechanism of rotor type sand mixer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102661462B (en) | 2014-07-30 |
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Granted publication date: 20140730 Termination date: 20160511 |