CN108105384A - A kind of rotating seal - Google Patents

A kind of rotating seal Download PDF

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Publication number
CN108105384A
CN108105384A CN201810093377.4A CN201810093377A CN108105384A CN 108105384 A CN108105384 A CN 108105384A CN 201810093377 A CN201810093377 A CN 201810093377A CN 108105384 A CN108105384 A CN 108105384A
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CN
China
Prior art keywords
upper cover
main shaft
bottom plate
annular
annular ring
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.)
Granted
Application number
CN201810093377.4A
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Chinese (zh)
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CN108105384B (en
Inventor
丁辉
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.)
Jiangsu High Tech Co Ltd
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Jiangsu High Tech Co Ltd
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Priority to CN201810093377.4A priority Critical patent/CN108105384B/en
Publication of CN108105384A publication Critical patent/CN108105384A/en
Application granted granted Critical
Publication of CN108105384B publication Critical patent/CN108105384B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/32Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/54Other sealings for rotating shafts

Abstract

The present invention relates to a kind of rotating seals; the structure for solving the sealing of swing mechanism is single; the problem of effect is undesirable; it designs its relevant sealed construction using VA formula sealing rings and is combined with gas and achieve the effect that dust-proof, anti-steam and anti-moisture; particularly work in high-precision machine tool under severe processing environment; high-precision machine tool revolving structure perfectly is protected, ensures the normal work and use service life of structure.

Description

A kind of rotating seal
Technical field
The present invention relates to field of manufacture of precision machinery, and in particular to a kind of rotating seal.
Background technology
World today's machinery manufacturing industry is quickly grown, and various machining tools are corresponding and go out, and no matter high the measure of precision of lathe is The low sealing mechanism for being required for its own, sealing mechanism prosperity is various, but comparatively rotary sealing structure is sealed and is relatively stranded Difficulty, sealing structure are not only one of an important factor for lathe ensures precision, it also acts as a critically important effect, exactly protects The precision parts of lathe are protected, ensures its normal operation and its service life, is all tied among most of lathes containing revolution Structure, therefore the problem of the sealing of revolving structure is exactly one very big, solve the problems, such as that this has very the development of machinery manufacturing industry Big meaning.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of revolution of new structure Formula sealing device makes it with more the utility value in industry.
The content of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of rotating seals.
Technical scheme is as follows:
A kind of swinging sealing structure, it is characterised in that:
Including pedestal (1), connector (2), motor stator (3), upper cover VA formulas sealing ring (4), bottom plate VA formula sealing rings (5), upper cover (6), bearing rotor (7), main shaft (8), electric mover (9), bottom plate (10), bearing stator (12) and bearing flange (13);
Interconnected the first cavity of cylinder (101) and the second cavity (102) are provided in wherein described pedestal (1), The diameter of a wherein described cavity (101) is more than the diameter of second cavity (102);
The connector (2) is circular ring shape, is fixed on the first cavity (101) bottom, and its internal diameter is less than described the The internal diameter of two cavitys (102);The motor stator (3), which is fixed below the connector (2), is located at second cavity (102) It is interior;
The bearing flange (13), which is fixed on the pedestal (1), to be located above first cavity (101), the bearing Flange (13) internal diameter bottom connects the bearing stator (12), and the bearing rotor (7) is connected on the inside of the bearing stator (12);
The main shaft (8) includes the cylindrical upper main shaft (81) and lower main shaft (83) being connected with each other, the upper main shaft (81) diameter is more than the diameter of the lower main shaft (83);Main shaft annular ring is provided on upper main shaft (81) side wall (82), lower main shaft (83) bottom is provided with lower main shaft annular ring (84);The upper main shaft annular ring (82), is fixedly attached to At the top of the bearing rotor (7);It is mounted on the inside of the electric mover (9) on the lower main shaft (83), the electric mover (9) Outside is mounted on the inside of the motor stator (3);
The upper cover (6) includes the first annular circle (61) of the upper cover from top to bottom set gradually, the second annular ring of upper cover (62), the 3rd annular ring (63) of upper cover, upper cover fourth annular circle (64) are additionally provided on the 3rd annular ring (63) of upper cover recessed Slot (631);The upper main shaft (81) is set in the first annular circle (61), and the upper cover fourth annular circle (64) is located at institute It states on bearing flange (13) and is fixedly connected with the bearing flange (13);
The bottom plate (10) is arranged on above the upper cover (6), and the bottom plate (10) includes the first annular circle of bottom plate (1001), the second annular ring of bottom plate (1002), the 3rd annular ring (1003) of bottom plate, wherein the first annular circle (1001) of the bottom plate It is arranged on second annular ring of upper cover (62), second annular ring of bottom plate (1002) is arranged on the 3rd annular ring of the cover (63) on, the 3rd annular ring (1003) of bottom plate is arranged on the upper cover fourth annular circle (64);
The bottom plate VA formulas sealing ring (5), which is arranged on second annular ring of upper cover (62), is located at first ring of bottom plate On the outside of shape circle (1001), and its top is compressed and be connected on the bottom plate (10) by air pressure;
The upper cover VA formulas sealing ring (4) is arranged in the groove (631).
Further, sealing air flue (11), the pedestal are also communicated on the upper cover (6) and the bearing flange (13) (1) accessory channel (14), accessory channel (14) the connection sealing air flue (11) are additionally provided on.
Further, the gas of 1.5 standard atmospheric pressures is passed through in the sealing air flue (11).
According to the above aspect of the present invention, the present invention has at least the following advantages:
The present invention provides a kind of swinging sealing structures, can enhance sealing effect, simple in structure, easy to use, system It makes at low cost.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate attached drawing be described in detail as after.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention;
Fig. 2 is the cross-sectional view of the present invention;
Fig. 3 is the upper cover structure diagram of the present invention;
Fig. 4 is the main axle structure schematic diagram of the present invention;
Fig. 5 is the understructure schematic diagram of the present invention;
Fig. 6 is the base arrangement schematic diagram of the present invention;
In figure:1- pedestals, 2- connectors, 3- motor stators, 4- upper cover VA formulas sealing ring, 5- bottom plate VA formulas sealing ring, 6- Upper cover, 7- bearing rotors, 8- main shafts, 9- electric movers, 10- bottom plates, 11- sealings air flue, 12- bearing stators, 13- bearing methods Blue, 14- accessory channels composition;The first annular circle of 61- upper covers;The second annular ring of 62- upper covers;The 3rd annular ring of 63- upper covers;631- Groove;64- upper cover fourth annular circles;The upper main shafts of 81-;The upper main shaft annular rings of 82-;Main shaft under 83-;Main shaft annular ring under 84-; The first cavitys of 101-;The second cavitys of 102-;The first annular circles of 1001-;The second annular ring of 1002- bottom plates;1003- bottom plate tricyclics Shape circle.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below Example is not limited to the scope of the present invention for illustrating the present invention.
Referring to Fig. 1 to Fig. 6, a kind of swinging sealing structure described in a preferred embodiment of the present invention, including pedestal 1, even Fitting 2, motor stator 3, upper cover VA formulas sealing ring 4, bottom plate VA formulas sealing ring 5, upper cover 6, bearing rotor 7, main shaft 8, motor Son 9, bottom plate 10, bearing stator 12 and bearing flange 13;
Interconnected cylinder the first cavity 101 and the second cavity 102, wherein institute are provided in wherein described pedestal 1 The diameter for stating a cavity 101 is more than the diameter of second cavity 102;
The connector 2 is circular ring shape, is fixed on 101 bottom of the first cavity, and its internal diameter is less than the described second sky The internal diameter of chamber 102;The motor stator 3 is fixed on 2 lower section of connector and is located in second cavity 102;
The bearing flange 13, which is fixed on the pedestal 1, is located at 101 top of the first cavity, the bearing flange 13 Internal diameter bottom connects the bearing stator 12, and 12 inside of bearing stator connects the bearing rotor 7;
The main shaft 8 includes the cylindrical upper main shaft 81 and lower main shaft 83 being connected with each other, the diameter of the upper main shaft 81 More than the diameter of the lower main shaft 83;Main shaft annular ring 82, lower 83 bottom of main shaft are provided on 81 side wall of upper main shaft Portion is provided with lower main shaft annular ring 84;The upper main shaft annular ring 82 is fixedly attached to 7 top of bearing rotor;The electricity Motor-driven sub 9 inside is mounted on the lower main shaft 83, and 9 outside of electric mover is mounted on 3 inside of motor stator;
The upper cover 6 includes the first annular circle 61 of the upper cover from top to bottom set gradually, the second annular ring of upper cover 62, upper cover 3rd annular ring 63, upper cover fourth annular circle 64 are additionally provided with groove 631 on the 3rd annular ring 63 of upper cover;The upper master Axis 81 is set in the first annular circle 61, and the upper cover fourth annular circle 64 is located on the bearing flange 13 and fixed company Connect the bearing flange 13;
The bottom plate 10 is arranged on 6 top of the upper cover, and the bottom plate 10 includes the first annular circle 1001 of bottom plate, bottom plate the Second ring circle 1002, the 3rd annular ring 1003 of bottom plate, wherein the first annular circle 1001 of the bottom plate is arranged on the upper cover second On annular ring 62, second annular ring of bottom plate 1002 is arranged on the 3rd annular ring 63 of the cover, the 3rd annular of bottom plate Circle 1003 is arranged on the upper cover fourth annular circle 64;
The bottom plate VA formulas sealing ring 5, which is arranged on second annular ring of upper cover 62, is located at the first annular circle of the bottom plate 1001 outsides, and its top is compressed and be connected on the bottom plate 10 by air pressure;
The upper cover VA formulas sealing ring 4 is arranged in the groove 631.
Sealing air flue 11 is also communicated in-the upper cover 6 and the bearing flange 13, is additionally provided on the pedestal 1 auxiliary Passage 14 is helped, the accessory channel 14 connects the sealing air flue 11.
The gas of 1.5 standard atmospheric pressures is passed through in-sealing the air flue 11.
The installation procedure of apparatus of the present invention is as follows:
(1) together with connector is connected by screw with motor stator, it is assembled to by screw on pedestal;
(2) by bearing rotor and bearing stator by screw-driving on bearing flange, three is integrally placed to pedestal On, then main shaft is passed through on screw-driving to bearing rotor;
(3) upper cover is placed on bearing flange according to mounting hole and upper cover and bearing flange is tightened in pedestal by screw On;
(4) suitable position being assembled to upper cover VA formulas sealing ring and bottom plate VA formula sealing rings in upper cover, then bottom plate is pacified It is attached on main shaft;
(5) tracheae is finally installed to sealing air flue by accessory channel and transfers import completion installation.
The operation principle of the present invention is as follows:
Bottom plate and main shaft connect and with being rotated together with main shaft, each face of bottom plate and upper cover all there are small gap, As the spindle turns bottom plate and bottom plate VA formulas sealing ring is driven to rotate, an angle of bottom plate VA formula sealing rings due to installation site with The relation of natural resiliency can be pressed in the effect that sealing is generated in a plane of upper cover.Upper cover VA formula sealing rings remain stationary as it A sealing effect is generated with the upper cover of rotation, by giving gas of the sealing air flue for 1.5 atmospheric pressure, is sealed in upper cover VA formulas The intracavitary gassy that circle, upper cover and bottom plate three are formed, gas can press against one jiao of upper cover VA formula sealing rings and upper cover ensures Fitting reaches better seal effect.It is that gas can be run out of from upper cover and the adjacent surface of-bottom plate there are one effect, adjacent surface Gap very little can make gas form very thin air film, effectively prevent the entrance of dust, steam, moisture from protecting mechanical knot well The component of structure core.
The problem of structure that the present invention solves the sealing of swing mechanism is single, and effect is undesirable, using VA formula sealing rings It designs its relevant sealed construction and is combined with gas and achieve the effect that dust-proof, anti-steam and anti-moisture, particularly high-accuracy Lathe works under severe processing environment, perfectly protects high-precision machine tool revolving structure, ensures the normal work of structure And service life.
The above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and Modification, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (3)

1. a kind of rotating seal, it is characterised in that:
Including pedestal (1), connector (2), motor stator (3), upper cover VA formulas sealing ring (4), bottom plate VA formulas sealing ring (5), on Cover (6), bearing rotor (7), main shaft (8), electric mover (9), bottom plate (10), bearing stator (12) and bearing flange (13);
Interconnected the first cavity of cylinder (101) and the second cavity (102) are provided in wherein described pedestal (1), wherein The diameter of one cavity (101) is more than the diameter of second cavity (102);
The connector (2) is circular ring shape, is fixed on the first cavity (101) bottom, and its internal diameter is less than the described second sky The internal diameter of chamber (102);The motor stator (3), which is fixed below the connector (2), to be located in second cavity (102);
The bearing flange (13), which is fixed on the pedestal (1), to be located above first cavity (101), the bearing flange (13) internal diameter bottom connects the bearing stator (12), and the bearing rotor (7) is connected on the inside of the bearing stator (12);
The main shaft (8) includes the cylindrical upper main shaft (81) and lower main shaft (83) being connected with each other, the upper main shaft (81) Diameter is more than the diameter of the lower main shaft (83);Main shaft annular ring (82) is provided on upper main shaft (81) side wall, it is described Lower main shaft (83) bottom is provided with lower main shaft annular ring (84);The upper main shaft annular ring (82), is fixedly attached to the bearing At the top of rotor (7);It is mounted on the inside of the electric mover (9) on the lower main shaft (83), installation on the outside of the electric mover (9) On the inside of the motor stator (3);
The upper cover (6) include the first annular circle (61) of the upper cover that from top to bottom sets gradually, the second annular ring of upper cover (62), on The 3rd annular ring (63), upper cover fourth annular circle (64) are covered, groove is additionally provided on the 3rd annular ring (63) of upper cover (631);The upper main shaft (81) is set in the first annular circle (61), and the upper cover fourth annular circle (64) is located at described On bearing flange (13) and it is fixedly connected with the bearing flange (13);
The bottom plate (10) is arranged on above the upper cover (6), and the bottom plate (10) includes the first annular circle (1001) of bottom plate, bottom The second annular ring of plate (1002), the 3rd annular ring (1003) of bottom plate, wherein the first annular circle (1001) of the bottom plate is arranged on institute It states on the second annular ring of upper cover (62), second annular ring of bottom plate (1002) is arranged on the 3rd annular ring (63) of the cover, The 3rd annular ring (1003) of bottom plate is arranged on the upper cover fourth annular circle (64);
The bottom plate VA formulas sealing ring (5), which is arranged on second annular ring of upper cover (62), is located at the first annular circle of the bottom plate (1001) outside, and its top is compressed and be connected on the bottom plate (10) by air pressure;
The upper cover VA formulas sealing ring (4) is arranged in the groove (631).
2. a kind of rotating seal according to claim 1, it is characterised in that:The upper cover (6) and the bearing Sealing air flue (11) is also communicated on flange (13), accessory channel (14), the accessory channel are additionally provided on the pedestal (1) (14) the sealing air flue (11) is connected.
3. a kind of rotating seal according to claim 2, it is characterised in that:It is passed through in the sealing air flue (11) The gas of 1.5 standard atmospheric pressures.
CN201810093377.4A 2018-01-31 2018-01-31 Rotary sealing device Active CN108105384B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810093377.4A CN108105384B (en) 2018-01-31 2018-01-31 Rotary sealing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810093377.4A CN108105384B (en) 2018-01-31 2018-01-31 Rotary sealing device

Publications (2)

Publication Number Publication Date
CN108105384A true CN108105384A (en) 2018-06-01
CN108105384B CN108105384B (en) 2023-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810093377.4A Active CN108105384B (en) 2018-01-31 2018-01-31 Rotary sealing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111185798A (en) * 2020-02-26 2020-05-22 四川轻化工大学 Multistage composite sealing device based on rotary table

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050051969A1 (en) * 2003-09-04 2005-03-10 Setco Sales Company Cartridge-type bearing seal for machine tool spindle
US20090189355A1 (en) * 2004-07-02 2009-07-30 Nippon Pillar Packing Co., Ltd. Mechanical seal
CN202367453U (en) * 2011-11-26 2012-08-08 青海一机数控机床有限责任公司 Static pressure direct drive rotating platform device of large milling turning machining center
CN105290802A (en) * 2014-06-18 2016-02-03 发那科株式会社 Rotary table assembly with cover
CN107387455A (en) * 2017-09-14 2017-11-24 张家港保税区创典炉窑通风设备有限公司 The sealing device of High-temp. kiln blower fan transmission main shaft
CN207848403U (en) * 2018-01-31 2018-09-11 江苏工大金凯高端装备制造有限公司 A kind of rotating seal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050051969A1 (en) * 2003-09-04 2005-03-10 Setco Sales Company Cartridge-type bearing seal for machine tool spindle
US20090189355A1 (en) * 2004-07-02 2009-07-30 Nippon Pillar Packing Co., Ltd. Mechanical seal
CN202367453U (en) * 2011-11-26 2012-08-08 青海一机数控机床有限责任公司 Static pressure direct drive rotating platform device of large milling turning machining center
CN105290802A (en) * 2014-06-18 2016-02-03 发那科株式会社 Rotary table assembly with cover
CN107387455A (en) * 2017-09-14 2017-11-24 张家港保税区创典炉窑通风设备有限公司 The sealing device of High-temp. kiln blower fan transmission main shaft
CN207848403U (en) * 2018-01-31 2018-09-11 江苏工大金凯高端装备制造有限公司 A kind of rotating seal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111185798A (en) * 2020-02-26 2020-05-22 四川轻化工大学 Multistage composite sealing device based on rotary table

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