CN201152420Y - Double end-face mechanical seal swivel joint device - Google Patents
Double end-face mechanical seal swivel joint device Download PDFInfo
- Publication number
- CN201152420Y CN201152420Y CNU2008200824482U CN200820082448U CN201152420Y CN 201152420 Y CN201152420 Y CN 201152420Y CN U2008200824482 U CNU2008200824482 U CN U2008200824482U CN 200820082448 U CN200820082448 U CN 200820082448U CN 201152420 Y CN201152420 Y CN 201152420Y
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- pipe
- water back
- water
- seal
- return pipe
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Abstract
The utility model relates to a crimping machine device for the chemical fibre terylene short fibre production, in particular to a cooling water revolving joint device in a crimping wheel of a crimping machine. A double end surface mechanical sealing revolving joint device comprises an end cover, a barrel body, a water inlet pipe and a water back pipe, wherein, the end cover is arranged at one end of the barrel body; a water inlet is arranged on the end cover; the water back pipe is sleeved in the barrel body in a rotating way; the pipe wall of the water back pipe is provided with a radial through hole; an axial water back hollow cavity is arranged in the pipe of the water back pipe; the barrel body is provided with a water back mouth; the radial through hole is communicated with the water back mouth; the water inlet pipe is sleeved in the water back hollow cavity of the water back pipe; one end of the water inlet pipe is connected with the water inlet, and the other end is communicated with the water back hollow cavity; both sides of the water back mouth are respectively provided with sealing loops, wherein, the left sealing loop seals the end cover and the water back pipe; the right sealing loop seals the barrel body and the water back pipe. The crimping machine device has the characteristics of advanced structure, reasonable design and durable service, and enhances the service life of the revolving joint and ensures the normal operation of production.
Description
Technical field
The utility model relates to the crimping machine equipment that the chemical fibre terylene short fiber is produced, and relates in particular to the cooling water rotary joint device in the crimping wheel in the crimping machine.
Background technique
In the production process of chemical fibre industry, fibre tow need be with the crimping machine processing of curling, crimping machine in the operation of curling by two crimping wheels be do not stop at high speed rotating, so can produce high temperature, crimping machine is furnished with a kind of rotary joint device for this reason, a water pipe is arranged is that crimping wheel is given water for cooling in the inside, prevents that crimping wheel is out of shape because of high-temperature heating or ftractures, and damages whole equipment.But the rotary joint structure that uses is simple at present, and sealability is relatively poor, and swivel joint is in the backwater process, often water can infilter mechanical seal device and bearing, causes swivel joint frictional force to have rising, runs out bearing and mechanical seal, damage swivel joint, influence whole crimping machine equipment.
Summary of the invention
In order to solve above technical barrier, the purpose of this utility model has provided the rotary joint device of a kind of function admirable, good sealing effect, structure advanced person, double mechanical seal reasonable in design.
In order to realize above-mentioned technical purpose, the utility model has adopted following technological scheme:
The rotary joint device of double mechanical seal, comprise end cap, cylindrical shell, intake pipe and return pipe, end cap is arranged on an end of cylindrical shell, which is provided with water intake, described return pipe rotary sleeve is located in the cylindrical shell, the radial direction through hole that the tube wall of return pipe is provided with, be provided with axial backwater cavity in the pipe of return pipe, described cylindrical shell is provided with backwater mouth, radial direction through hole and backwater mouth are conducted, described intake pipe is set in the backwater cavity of return pipe, and an end of intake pipe connects water intake, and the other end and backwater cavity are conducted.And be respectively equipped with seal ring, wherein left seal ring closed end cap and return pipe, right seal ring closed cylinder and return pipe in the both sides of backwater mouth.
As preferably, be provided with pressure spring between two above-mentioned seal rings.Pressure spring cooperates end cap that two seal rings are compressed, and whole device loading and unloading are easy, increase flexibility.
As preferably, two above-mentioned seal rings are made up of planar seal ring and step seal ring respectively, and planar seal ring is arranged on the inboard of step seal ring, and described pressure spring is against on two planar seal rings.Seal ring is divided into planar seal ring and step seal ring, has characteristics easy for installation.
As preferably, be provided with O-ring seal between above-mentioned planar seal ring and the return pipe, be provided with O-ring seal between step seal ring and cylindrical shell and the end cap.O-ring seal can further seal above-mentioned structure.
End cap of the present utility model links to each other with cylindrical shell, and as the body apparatus of swivel joint, backwater mouth is used to discharge circulating water.Intake pipe is installed in the return pipe and return pipe rotates with crimping wheel under the drive of bearing together, and the processing of lowering the temperature of crimping wheel cooling water is provided.The effect of critical piece is as described below: provide the crimping wheel cooling water by intake pipe, reach cool effect.By return pipe the post-job cooling water of cooling is refluxed, and discharge by backwater mouth.Reach best sealing effect by double mechanical seal, can't make cooling water enter seal arrangement inside and damage swivel joint, durable in use.
The utility model has solved well that old-fashioned in the past rotary joint structure is simple, and sealability is relatively poor, can infilter mechanical seal device and bearing to water in device work, damages the problem of swivel joint.Structure advanced person, reasonable in design, durable in use in the working life of improving swivel joint, has guaranteed the normal operation of producing.
Description of drawings
Fig. 1 is an apparatus structure schematic representation of the present utility model.
Fig. 2 is a backwater pipe structure schematic representation of the present utility model.
Fig. 3 is the structural representation of planar seal ring.
Fig. 4 is the structural representation of step seal ring.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation:
The rotary joint device of double mechanical seal as shown in Figure 1 comprises end cap 2, cylindrical shell 1, intake pipe 4 and return pipe 3.End cap 2 is arranged on an end of cylindrical shell 1 by screw, which is provided with water intake 5, and return pipe 3 is located in the cylindrical shell 1 by bearing 5 rotary sleeves.Intake pipe 4 is set in the return pipe 3.
Radial direction through hole 10 shown in Figure 2, that the tube wall of return pipe 3 is provided with is provided with axial backwater cavity 13 in the pipe of return pipe 3.As shown in Figure 1, cylindrical shell 1 is provided with backwater mouth 14, and radial direction through hole 10 is conducted with backwater mouth 14.Described intake pipe 4 is set in the backwater cavity 13, and an end of intake pipe 4 connects water intake 5, and the other end and backwater cavity 13 are conducted.And be provided with pressure spring 7 being respectively equipped with between 6, two seal rings 6 of seal ring of both sides of backwater mouth 14, wherein seal ring 6 closed end caps 2 and the return pipe 3 on the left side, seal ring 6 closed cylinders 1 and the return pipe 3 on the right.
As shown in Figure 3, Figure 4, two seal rings 6 are made up of planar seal ring 9 and step seal ring 8 respectively, and planar seal ring 9 is arranged on the inboard of step seal ring 8, and described pressure spring 7 is against on two planar seal rings 9.As shown in Figure 1, between planar seal ring 9 and return pipe 3, be provided with O-ring seal 10, be provided with O-ring seal 11 between step seal ring 8 and cylindrical shell 1 and the end cap 2.
As shown in Figure 1, by intake pipe 4 cooling water is offered the crimping wheel of crimping machine, the crimping wheel cooling that makes high speed rotating produce high temperature prevents that crimping wheel is out of shape because of high-temperature heating or ftractures, thus damage equipment.Be back to return pipe 3 after the cooling water temperature operation, and cooling water discharged by the backwater mouth 14 of cylindrical shell 1 by return pipe 3.Seal ring 6 is installed on the return pipe 3, and compresses sealing with carrying out pressure spring 7, and the cooling water of anti-backflow infiltrates the device that bearing 5 waits some to seal, and has guaranteed the normal use of equipment.
Claims (4)
1, the rotary joint device of double mechanical seal, comprise end cap (2), cylindrical shell (1), intake pipe (4) and return pipe (3), end cap (2) is arranged on an end of cylindrical shell (1), which is provided with water intake (15), described return pipe (3) rotary sleeve is located in the cylindrical shell (1), the radial direction through hole (10) that the tube wall of return pipe (3) is provided with, be provided with axial backwater cavity (13) in the pipe of return pipe (3), described cylindrical shell (1) is provided with backwater mouth (14), radial direction through hole (10) is conducted with backwater mouth (14), described intake pipe (4) is set in the backwater cavity (13) of return pipe (3), one end of intake pipe (4) connects water intake (15), the other end and backwater cavity (13) are conducted, it is characterized in that: be respectively equipped with seal ring (6) in the both sides of backwater mouth (14), the wherein seal ring on the left side (6) closed end cap (2) and return pipe (3), the seal ring on the right (6) closed cylinder (1) and return pipe (3).
2, the rotary joint device of double mechanical seal according to claim 1 is characterized in that: be provided with pressure spring (7) between two seal rings (6).
3, the rotary joint device of double mechanical seal according to claim 2, it is characterized in that: two seal rings (6) are made up of planar seal ring (9) and step seal ring (8) respectively, planar seal ring (9) is arranged on the inboard of step seal ring (8), and described pressure spring (7) is against on two planar seal rings (9).
4, the rotary joint device of double mechanical seal according to claim 3, it is characterized in that: be provided with O-ring seal (10) between planar seal ring (9) and the return pipe (3), be provided with O-ring seal (11) between step seal ring (8) and cylindrical shell (1) and the end cap (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200824482U CN201152420Y (en) | 2008-01-18 | 2008-01-18 | Double end-face mechanical seal swivel joint device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008200824482U CN201152420Y (en) | 2008-01-18 | 2008-01-18 | Double end-face mechanical seal swivel joint device |
Publications (1)
Publication Number | Publication Date |
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CN201152420Y true CN201152420Y (en) | 2008-11-19 |
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ID=40128098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2008200824482U Expired - Fee Related CN201152420Y (en) | 2008-01-18 | 2008-01-18 | Double end-face mechanical seal swivel joint device |
Country Status (1)
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CN (1) | CN201152420Y (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102128266A (en) * | 2011-03-18 | 2011-07-20 | 华南理工大学 | Mechanical swivel joint seal device |
CN104313742A (en) * | 2014-09-25 | 2015-01-28 | 张家港市荣昌涤纶毛条有限公司 | Cooling device of crimping wheel of crimping machine |
CN106605094A (en) * | 2014-07-18 | 2017-04-26 | 杜布林公司 | Piston actuated rotary union |
CN107143615A (en) * | 2017-06-29 | 2017-09-08 | 湖北威能达驱动技术系统有限公司 | A kind of shell fragment prestressing force seal combination |
-
2008
- 2008-01-18 CN CNU2008200824482U patent/CN201152420Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102128266A (en) * | 2011-03-18 | 2011-07-20 | 华南理工大学 | Mechanical swivel joint seal device |
CN106605094A (en) * | 2014-07-18 | 2017-04-26 | 杜布林公司 | Piston actuated rotary union |
CN106605094B (en) * | 2014-07-18 | 2019-12-13 | 杜布林公司 | Piston actuated swivel |
CN104313742A (en) * | 2014-09-25 | 2015-01-28 | 张家港市荣昌涤纶毛条有限公司 | Cooling device of crimping wheel of crimping machine |
CN107143615A (en) * | 2017-06-29 | 2017-09-08 | 湖北威能达驱动技术系统有限公司 | A kind of shell fragment prestressing force seal combination |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 |