CN102661462B - High-speed rotary joint - Google Patents
High-speed rotary joint Download PDFInfo
- Publication number
- CN102661462B CN102661462B CN201210147147.4A CN201210147147A CN102661462B CN 102661462 B CN102661462 B CN 102661462B CN 201210147147 A CN201210147147 A CN 201210147147A CN 102661462 B CN102661462 B CN 102661462B
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- China
- Prior art keywords
- joint
- ring
- upper shell
- stationary ring
- lower shell
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- Joints Allowing Movement (AREA)
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 machining center field, relate in particular to a kind of high-speed joint.
Background technique
On at present all machining centers with the lathe of central water outlet, swivel joint adopts two seal elements being subject to external force or the pressure of fluid is bonded to each other, and relatively rotate and the seal arrangement that forms, but it exists the feature that pressure resistance is little, and sealing is poor, can not meet the use needs of current highi degree of accuracy machining center, even the swivel joint of good airproof performance, its internal structure is generally 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, first section of the latter end of described upper shell and described lower shell body is connected and fixed, and described upper shell is coaxial with described lower shell body, the stage casing of described joint is rotatably installed in the endoporus latter end of described lower shell body by described bearing, it is inner that described stationary ring is arranged on described upper shell, and coaxial with described upper shell, the soft graphite annulus with sealing characteristics is installed between described stationary ring and described upper shell,
Described rotating ring ring set is at the head end of described joint, and is close to mutually with the described stationary ring of described upper shell inside;
Described metal bellows ring set, on described joint, and is close to described rotating ring, and the elasticity direction of described metal bellows is parallel with the medial axis of described rotating ring;
Described sealing anti-rotation rotating ring is fixed on described joint, and between described sealing anti-rotation rotating ring and described metal bellows, be provided with the soft graphite annulus with sealing characteristics, described sealing anti-rotation rotating ring is provided with and holds out against screw and at least two housing pins, the end of described housing pin all props up described metal bellows, and the sensing of described housing pin with the jerk-finger of metal bellows to consistent, described in hold out against screw and prop up described joint;
The joint of described upper shell and described lower shell body is provided with sealing gasket.
Further, described upper shell end is provided with connecting groove, on the basis of described connecting groove, to described upper shell stage casing, extends and is provided with stationary ring groove, and described connecting groove is coaxial with described stationary ring groove.
Further, on described connecting groove, the position adjacent with described stationary ring groove is provided with internal thread, at the head end of described lower shell body, is provided with the outside thread matching with described internal thread, and described upper shell and described lower shell body are screwed by described internal thread and described outside thread.
Further, described stationary ring groove is provided with stop pin, and described stop pin and described upper shell are connected and fixed.
Further, described stationary ring groove inside is provided with for the corner slots of placing soft graphite annulus.
Further, described stationary ring is located in described stationary ring groove, is provided with and the described stop pin anti-rotation cotter way that matches on described stationary ring.
Further, the joint of described bearing both sides and described lower shell body inwall is provided with hole back-up ring, and is provided with shaft block ring in the joint of described bearing both sides and described joint.
Further, described upper shell is provided with water intake, and described water intake is communicated with described stationary ring groove.
Further, described lower shell body is provided with scupper, and described scupper is communicated with described lower shell body endoporus.
Further, described stationary ring and described rotating ring are same material, and described material is Tungsten carbite or pottery.
The advantage of high-speed joint provided by the invention is: by rotating ring, stationary ring and metal bellows being set and being arranged on 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 rotating ring, rotating ring and described stationary ring are tightly pressed together mutually, mutual characterization of adsorption by described material, improves sealing greatly;
By the soft rock China ink with sealing characteristics is set between stationary ring and upper shell, effectively improved the sealing of high-speed joint of the present invention;
By the joint at upper shell and lower shell body, sealing gasket is set, improves the sealing of high-speed joint of the present invention;
By the joint at described bearing both sides and described lower shell body inwall, hole back-up ring is set, and in the joint of described bearing both sides and described joint, shaft block ring is set, improve the sealing of high-speed joint of the present invention;
By stop pin is set, effectively avoided the generation of the autorotation phenomenon of stationary ring, improved serviceability and the sealing effect of material;
By arranging and hold out against screw on sealing anti-rotation rotating ring, effectively placed the generation of the autorotation phenomenon of joint, improved serviceability and the sealing of Whole Equipment;
High-speed joint of the present invention is simple in structure, sealing is good and withstand voltage properties is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-speed joint of the present invention.
Fig. 2 is the sectional view of the upper shell in Fig. 1.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the structural representation of high-speed joint 100 of the present invention.
Described 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 described upper shell 10 and described lower shell body 20 is connected and fixed, and described upper shell 10 is coaxial with described lower shell body 20, the stage casing of described joint 40 is rotatably installed in the endoporus latter end of described lower shell body 20 by described bearing 30, described stationary ring 50 is arranged on described upper shell 10 inside, and coaxial with described upper shell 10, the soft graphite annulus 1 with sealing characteristics is installed between described stationary ring 50 and described upper shell 10, improve the sealing between stationary ring 50 and upper shell 10,
Described rotating ring 60 ring sets are at the head end of described joint 40, and are close to mutually with the described stationary ring 50 of described upper shell 10 inside;
Described metal bellows 70 ring sets are on described joint 40, and be close to described rotating ring 60, the elasticity direction of described metal bellows 70 is parallel with the medial axis of described rotating ring 60, metal bellows 70 compensates the error that the pressure difference of the equilibrant that produces due to part and sealing medium produces in high-speed motion, thereby realizes the normality sealing of liquid;
Described sealing anti-rotation rotating ring 80 is fixed on described joint 40, and be provided with the soft graphite annulus 2 with sealing characteristics between described sealing anti-rotation rotating ring 80 and described metal bellows 70, improve the sealing between sealing anti-rotation rotating ring 80 and metal bellows 70, described 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 described housing pin 81 all props up described metal bellows 70, and the sensing of described housing pin 81 with the jerk-finger of metal bellows 70 to consistent, described in hold out against screw 82 and prop up described joint 40;
Described upper shell 10 is provided with sealing gasket 90 with the joint of described lower shell body 20, improves the sealing of upper shell 10 and lower shell body 20 joints.
The joint of described bearing 30 both sides and described lower shell body 20 inwalls is provided with back-up ring 31 for hole, and is provided with shaft block ring 32 in the joint of described bearing 30 both sides and described joint 40.
Refer to Fig. 2, and in conjunction with Fig. 1, Fig. 2 is the sectional view of the upper shell 10 of high-speed joint 100 of the present invention.
Described upper shell 10 ends are provided with connecting groove 13, on the basis of described connecting groove 13, to described upper shell 10 stage casings, extend and be provided with stationary ring groove 14, described connecting groove 13 is coaxial with described stationary ring groove 14, on described connecting groove 13, the position adjacent with described stationary ring groove 14 is provided with internal thread 12, head end at described lower shell body 20 is provided with the outside thread 21 matching with described internal thread 12, described upper shell 10 is screwed by described internal thread 12 and described outside thread 21 with described lower shell body 20, described stationary ring groove 14 is provided with stop pin 11, described stop pin 11 is connected and fixed with described upper shell 10, described stationary ring groove 14 inside are provided with for the corner slots 141 of placing soft graphite annulus 1, described stationary ring 50 is located in described stationary ring groove 14, on described stationary ring 50, be provided with and the described stop pin 11 anti-rotation cotter way 51 that matches.
Described upper shell 10 is provided with water intake 3, and described water intake 3 is communicated with described stationary ring groove 14, and lower shell body 20 is provided with scupper 4, and described scupper 4 is communicated with described lower shell body 20 endoporus.
Described stationary ring 50 and described rotating ring 60 are same material, and described material is Tungsten carbite or pottery, because described material has certain mutual characterization of adsorption when the pressing, have greatly increased sealing.
During installation, first soft graphite annulus 1 is installed in the corner slots 141 on described stationary ring groove 14, again described stationary ring 50 is installed in the stationary ring groove 14 of described upper shell 10, and the stop pin 11 that the anti-rotation cotter way on stationary ring 50 51 is aimed in upper shell 10 is installed, and compress described soft graphite annulus 1, to sealing anti-rotation rotating ring 80 be installed on 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, 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, in order to increase sealing, on sealing anti-rotation rotating ring 80, arrange and hold out against screw 82 and at least two housing pins 81, 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 to the endoporus latter end of lower shell body 20 by bearing 30, the part being connected with joint 40 in the both sides of bearing 30 reaches the effect of sealing with shaft block ring 32, the part being connected at the both sides of bearing 30 and the inner hole wall of lower shell body 20 reaches the effect of sealing with back-up ring 31 with hole, lower shell body 20 and the each several part parts that install on lower shell body 20 are installed on upper shell 10 in the lump, only lower shell body 20 and upper shell 10 need be screwed by outside thread 21 and interior spiral shell 12 lines, adjust again described housing pin 81, until rotating ring 60 closely links together with stationary ring 50, last hand rotation joint, smooth rotation, install.
In sum, high-speed joint of the present invention arranges housing pin by rotating ring, stationary ring and metal bellows being set and being arranged on 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 rotating ring, rotating ring and described stationary ring are tightly pressed together mutually, and the mutual characterization of adsorption by described material, improves sealing greatly;
By the soft rock China ink with sealing characteristics is set between stationary ring and upper shell, effectively improved the sealing of high-speed joint of the present invention;
By the joint at upper shell and lower shell body, sealing gasket is set, improves the sealing of high-speed joint of the present invention;
By the joint at described bearing both sides and described lower shell body inwall, hole back-up ring is set, and in the joint of described bearing both sides and described joint, shaft block ring is set, improve the sealing of high-speed joint of the present invention;
By stop pin is set, effectively avoided the generation of the autorotation phenomenon of stationary ring, improved serviceability and the sealing effect of material;
By arranging and hold out against screw on sealing anti-rotation rotating ring, effectively placed the generation of the autorotation phenomenon of joint, improved serviceability and the sealing of Whole Equipment;
High-speed joint of the present invention is simple in structure, sealing is good and withstand voltage properties is high.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. a high-speed joint, comprise upper shell, lower shell body, bearing, joint, first section of the latter end of described upper shell and described lower shell body is connected and fixed, and described upper shell is coaxial with described lower shell body, the stage casing of described joint is rotatably installed in the endoporus latter end of described lower shell body by described bearing, it is characterized in that, described high-speed joint also comprises stationary ring, rotating ring, metal bellows, soft graphite annulus and sealing anti-rotation rotating ring, it is inner that described stationary ring is arranged on described upper shell, and coaxial with described upper shell, the soft graphite annulus with sealing characteristics is installed between described stationary ring and described upper shell,
Described rotating ring ring set is at the head end of described joint, and is close to mutually with the described stationary ring of described upper shell inside;
Described metal bellows ring set, on described joint, and is close to described rotating ring, and the elasticity direction of described metal bellows is parallel with the medial axis of described rotating ring;
Described sealing anti-rotation rotating ring is fixed on described joint, and between described sealing anti-rotation rotating ring and described metal bellows, be provided with the soft graphite annulus with sealing characteristics, described sealing anti-rotation rotating ring is provided with and holds out against screw and at least two housing pins, the end of described housing pin all props up described metal bellows, and the sensing of described housing pin with the jerk-finger of metal bellows to consistent, described in hold out against screw and prop up described joint;
The joint of described upper shell and described lower shell body is provided with sealing gasket;
Described upper shell end is provided with connecting groove, on the basis of described connecting groove, to described upper shell stage casing, extends and is provided with stationary ring groove, and described connecting groove is coaxial with described stationary ring groove;
On described connecting groove, the position adjacent with described stationary ring groove is provided with internal thread, at the head end of described lower shell body, is provided with the outside thread matching with described internal thread, and described upper shell and described lower shell body are screwed by described internal thread and described outside thread;
Described stationary ring groove is provided with stop pin, and described stop pin and described upper shell are connected and fixed;
Described stationary ring groove inside is provided with for the corner slots of placing soft graphite annulus;
Described stationary ring is located in described stationary ring groove, is provided with and the described stop pin anti-rotation cotter way that matches on described stationary ring;
The joint of described bearing both sides and described lower shell body inwall is provided with hole back-up ring, and is provided with shaft block ring in the joint of described bearing both sides and described joint;
Described upper shell is provided with water intake, and described water intake is communicated with described stationary ring groove;
Described lower shell body is provided with scupper, and described scupper is communicated with described lower shell body endoporus.
2. high-speed joint according to claim 1, is characterized in that, described stationary ring and described rotating ring are same material, and described 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 CN102661462A (en) | 2012-09-12 |
| CN102661462B true CN102661462B (en) | 2014-07-30 |
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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) |
Families Citing this family (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 |
| 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 |
| 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 |
Citations (6)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3098236B1 (en) * | 1999-08-23 | 2000-10-16 | リックス株式会社 | Bearing structure of rotary joint |
-
2012
- 2012-05-11 CN CN201210147147.4A patent/CN102661462B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-65760A 2001.03.16 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102661462A (en) | 2012-09-12 |
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