CN204083240U - A kind of sealing configuration of power head device - Google Patents

A kind of sealing configuration of power head device Download PDF

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Publication number
CN204083240U
CN204083240U CN201420525853.2U CN201420525853U CN204083240U CN 204083240 U CN204083240 U CN 204083240U CN 201420525853 U CN201420525853 U CN 201420525853U CN 204083240 U CN204083240 U CN 204083240U
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CN
China
Prior art keywords
power
sealing
front cover
bearing front
cover
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Active
Application number
CN201420525853.2U
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Chinese (zh)
Inventor
汪军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Yixing intelligent equipment Limited by Share Ltd
Original Assignee
HUBEI YIXING MACHINE TOOL Co Ltd
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Priority to CN201420525853.2U priority Critical patent/CN204083240U/en
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Publication of CN204083240U publication Critical patent/CN204083240U/en
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Abstract

A kind of sealing configuration of power head device, comprise transmission shaft, sealing cover, power head-shield, power headstock and power skull, described sealing cover, power head-shield and power skull form a space sealed, in power headstock is sealed in, power skull is connected with power head-shield, sealing cover side is provided with aperture, described sealing cover, transmission shaft and bearing front cover top composition maze-type structure, backbone sealing ring is arranged on the front end of second labyrinth structure in bearing front cover, be provided with metal sealing in second maze trough and fold ring, bearing front cover excircle has circular groove, the top of bearing front cover is provided with flexible pipe barb elbow.The utility model structure is simple, easy to use, good sealing effect, assembling and convenient disassembly.

Description

A kind of sealing configuration of power head device
Technical field
The utility model relates to a kind of sealing configuration, especially a kind of sealing configuration of power head device.
Background technique
In actual production processing, the unit head High Rotation Speed on turning-milling complex processing lathe, the cutter of 4000r/min carries out radial cutting to part.The bearing of High Rotation Speed can generate heat, enhance faster wear, affects life-span and the positioning precision of transmission shaft and bearing.Numerically controlled lathe is in the course of working of part in addition, can cause a large amount of cutting fluids, water smoke, and waste residue splashes, and easily enters into lubricating grease, lubrication effect is reduced.So the design of Sealing Structure device that needs one are good, ensure the normal work of unit head.At present, the sealing configuration on market is divided into contact seal, noncontact seal, combined labyrinth and carbon gland.Contact seal is applicable to low speed device, and general power head device all adopts noncontact seal and combined labyrinth and carbon gland.Wherein noncontact seal is divided into again the various different structures such as clearance type, gasket type, mazy type, during the work of noncontact seal device, seal arrangement does not contact with the part moved corresponding thereto, produce frictional heat hardly at work, wear and tear very little, be specially adapted to high speed and high temperature occasion, but the more difficult accurate assurance of gap value.Combined labyrinth and carbon gland is that multiple seal form combines, and can give full play to the advantage of various seal form, and at dust, cutting fluid is first-selected under the rugged environment such as waste residue, more effective than noncontact seal, but assembling and dismounting inconvenience.In sum, no matter be noncontact seal or combined labyrinth and carbon gland, have deficiency, be difficult to reach good sealing effect.
Summary of the invention
The purpose of this utility model is that the sealing effect that the sealing configuration overcoming prior art medium power head unit exists is bad, assembling and the inconvenient problem of dismounting, provide that a kind of structure is simple, easy to use, good sealing effect, assembling and convenient disassembly the sealing configuration of power head device.
For realizing above object, technical solution of the present utility model is: a kind of sealing configuration of power head device, comprise transmission shaft, sealing cover, power head-shield, power headstock and power skull, described sealing cover, power head-shield and power skull form a space sealed, in power headstock is sealed in, power skull is connected with power head-shield, sealing cover side is provided with aperture, described sealing cover, transmission shaft and bearing front cover top composition maze-type structure, backbone sealing ring is arranged on the front end of second labyrinth structure in bearing front cover, be provided with metal sealing in second maze trough and fold ring, bearing front cover excircle has circular groove, the top of bearing front cover is provided with flexible pipe barb elbow.
Described power skull and power headstock junction surface are equipped with O type circle.
Described sealing cover adopts taper fit on bearing front cover.
Described bearing front cover and power headstock adopt Spielpassung, and lock with interior hexagonal cylindrical head screw.
Compared with prior art, the beneficial effects of the utility model are:
1, in the utility model, sealing cover adopts taper fit on bearing front cover, eliminates installing space and the man-hour of screw locking needs.
2. the sealing between the utility model middle (center) bearing front cover and transmission shaft adopts metal sealing to fold ring to add reinforced seal coil structures, makes sealing effect more reliable, more compact structure.
3. the utility model is provided with flexible pipe barb elbow on bearing front cover, booster action is played to sealing, passes into gas by polyurethane pipe and form cross-ventilation, transmission shaft is cooled, improve working life and the positioning precision of transmission shaft, make transmission more stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: transmission shaft 1, sealing cover 2, bearing front cover 3, flexible pipe barb elbow 4, backbone sealing ring 5, metal sealing folds ring 6, power head-shield 7, aperture 8, power headstock 9, power skull 10, O type circle 11, interior hexagonal cylindrical head screw 12.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, a kind of sealing configuration of power head device, comprise transmission shaft 1, sealing cover 2, power head-shield 7, power headstock 9 and power skull 10, described sealing cover 2, power head-shield 7 and power skull 10 form a space sealed, in power headstock 9 is sealed in, power skull 10 is connected with power head-shield 7, sealing cover 2 side is provided with aperture 8, described sealing cover 2, transmission shaft 1 and bearing front cover 3 top composition maze-type structure, backbone sealing ring 5 is arranged on the front end of interior second labyrinth structure of bearing front cover 3, be provided with metal sealing in second maze trough and fold ring 6, bearing front cover 3 excircle has circular groove, the top of bearing front cover 3 is provided with flexible pipe barb elbow 4.
Described power skull 10 is equipped with O type circle with power headstock 9 junction surface.
Described sealing cover 2 adopts taper fit on bearing front cover 3.
Described bearing front cover 3 adopts Spielpassung with power headstock 9, and locks with interior hexagonal cylindrical head screw 12.
The sealing configuration of power head device comprises transmission shaft 1, sealing cover 2, bearing front cover 3, flexible pipe barb elbow 4, backbone sealing ring 5, metal sealing folds ring 6, power head-shield 7, power headstock 9, power skull 10, O type circle 11, interior hexagonal cylindrical head screw 12, described sealing cover 2, power head-shield 7 and power skull 10 are wrapped in motivation package headstock 9, for first sealing configuration, sealing cover 2 passes through the fit system device of tapering on bearing front cover 3, power skull 10 and power headstock 9 junction surface are equipped with O type circle 11, be connected with power head-shield 7 outward, a large amount of waste residues and most of cuttings liquid and mist of oil is stoped to enter inside from the outside.Described sealing cover 2, transmission shaft 1 form maze-type structure with bearing front cover 3 top, are second sealing configuration, can stop the intrusion of small waste residue and a part of cutting fluid.The described flexible pipe barb elbow 4 being arranged on the top of bearing front cover 3, gas is passed into by connecting polyurethane pipe, it is three seal structures, fine impurity, cutting fluid and the water smoke that can invade backbone sealing ring 5 front end carry out gas curtain isolation, wash away, by the aperture 8 impurities removal exhaust that sealing cover 2 is downward; Under the circulation of gas, also can cool transmission shaft 1, a part of heat that band bearing running High Rotation Speed produces, improve working life and the positioning precision of transmission shaft 1, make package unit service behaviour more stable.Described backbone sealing ring 5 is arranged on the front end of labyrinth structure in bearing front cover 3, it is the 4th seal structures, what adopt is the oil seal structure of main lip with spring, during machine work, the sealing contact endless belt of 0.25 ~ 0.5mm can be formed, part fluid infiltrates between oil sealing cutting edge and axle, forms very thin oil film and can play lubrication and the effect sealed.Outside impurity can be stoped to invade reveal with inner lubricating grease.Described bearing front cover 3 inside is provided with labyrinth, is provided with metal sealing and folds ring 6 in maze trough, is the 5th seal structures, and metal sealing is folded the medium that ring 6 makes to pass into and produce throttle effect in the gap in tortuous labyrinth, reaches the object of Drain Resistance.The conveniently Assembly And Disassembly of bearing front cover 3, bearing front cover 3 and power headstock 9 adopt Spielpassung, and lock with interior hexagonal cylindrical head screw 12, with bearing front cover 3 end face for benchmark assembles, in order to prevent internal lubrication liquid from gap internal leakage, bearing front cover 3 excircle has circular groove, can preferred fit O type circle 11.It is oil-resistant rubber material that power skull 10 and power headstock 9 junction surface are equipped with O type circle 11, O type circle 11, is a kind of extruding type self sealing structure, as long as there is initial pressure, just can realize strong effective sealing, reach desirable sealing effect.In the utility model, sealing cover 2 adopts taper fit on bearing front cover 3, eliminates installing space and the man-hour of screw locking needs.Sealing between bearing front cover 3 and transmission shaft 1 adopts metal sealing to fold ring 6 to add backbone sealing ring 5 structure, makes sealing effect more reliable, more compact structure.The utility model is provided with flexible pipe barb elbow 4 on bearing front cover 3, booster action is played to sealing, passes into gas by polyurethane pipe and form cross-ventilation, transmission shaft 1 is cooled, improve working life and the positioning precision of transmission shaft 1, make transmission more stable.The utility model structure is simple, easy to use, good sealing effect, assembling and convenient disassembly.

Claims (4)

1. the sealing configuration of a power head device, comprise transmission shaft (1), sealing cover (2), power head-shield (7), power headstock (9) and power skull (10), described sealing cover (2), power head-shield (7) and power skull (10) form a space sealed, in power headstock (9) is sealed in, power skull (10) is connected with power head-shield (7), sealing cover (2) side is provided with aperture (8), it is characterized in that: described sealing cover (2), transmission shaft (1) and bearing front cover (3) top composition maze-type structure, backbone sealing ring (5) is arranged on the front end of interior second labyrinth structure of bearing front cover (3), be provided with metal sealing in second maze trough and fold ring (6), bearing front cover (3) excircle has circular groove, the top of bearing front cover (3) is provided with flexible pipe barb elbow (4).
2. the sealing configuration of a kind of power head device according to claim 1, is characterized in that: described power skull (10) and power headstock (9) junction surface are equipped with O type circle.
3. the sealing configuration of a kind of power head device according to claim 1, is characterized in that: described sealing cover (2) adopts taper fit on bearing front cover (3).
4. the sealing configuration of a kind of power head device according to claim 1, is characterized in that: described bearing front cover (3) and power headstock (9) adopt Spielpassung, and locks with interior hexagonal cylindrical head screw (12).
CN201420525853.2U 2014-09-12 2014-09-12 A kind of sealing configuration of power head device Active CN204083240U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420525853.2U CN204083240U (en) 2014-09-12 2014-09-12 A kind of sealing configuration of power head device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420525853.2U CN204083240U (en) 2014-09-12 2014-09-12 A kind of sealing configuration of power head device

Publications (1)

Publication Number Publication Date
CN204083240U true CN204083240U (en) 2015-01-07

Family

ID=52175962

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420525853.2U Active CN204083240U (en) 2014-09-12 2014-09-12 A kind of sealing configuration of power head device

Country Status (1)

Country Link
CN (1) CN204083240U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197022A (en) * 2014-09-12 2014-12-10 湖北毅兴机床有限公司 Sealing structure of power head device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197022A (en) * 2014-09-12 2014-12-10 湖北毅兴机床有限公司 Sealing structure of power head device
CN104197022B (en) * 2014-09-12 2017-01-18 湖北毅兴机床有限公司 Sealing structure of power head device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 432700 Guangshui City, Suizhou province should be located in the industrial park, ten mile road, No., No. 8, -3

Patentee after: Hubei Yixing intelligent equipment Limited by Share Ltd

Address before: 432700 Guangshui City, Suizhou province should be located in the industrial park, ten mile road, No., No. 8, -3

Patentee before: HUBEI YIXING MACHINE TOOL CO., LTD.

CP01 Change in the name or title of a patent holder