CN111185798A - Multistage composite sealing device based on rotary table - Google Patents
Multistage composite sealing device based on rotary table Download PDFInfo
- Publication number
- CN111185798A CN111185798A CN202010118151.2A CN202010118151A CN111185798A CN 111185798 A CN111185798 A CN 111185798A CN 202010118151 A CN202010118151 A CN 202010118151A CN 111185798 A CN111185798 A CN 111185798A
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- CN
- China
- Prior art keywords
- rotary table
- sealing
- rotary
- sealing ring
- sealing device
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 108
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 239000012535 impurity Substances 0.000 claims description 10
- 239000000110 cooling liquid Substances 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/406—Sealings between relatively-moving surfaces by means of fluid by at least one pump
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a multi-stage composite sealing device based on a rotary table, which relates to the technical field of mechanical transmission mechanisms and comprises the following components: the invention solves the technical problems that the rotary table is thermally deformed and the sealing performance is poor due to serious heating of the existing sealing device during high-speed movement, the sealing effect of the rotary table can be improved, and the service life of the device can be prolonged.
Description
Technical Field
The invention relates to the technical field of mechanical transmission mechanisms, in particular to a multi-stage composite sealing device based on a rotary table.
Background
The rotary table is an important component in a machine tool system, and in the high-speed and high-precision working process of the numerical control machine tool, cooling liquid and impurities generated by cutting can enter the interior of the rotary table, so that the working of the rotary table is greatly influenced; the existing sealing device also has the defect that the positioning precision is influenced due to the thermal deformation of the rotary table caused by serious heating during high-speed movement. With the development of industry and the need of environmental protection, higher requirements are put on the sealing performance of the rotary table.
Disclosure of Invention
The invention aims to provide a multi-stage composite sealing device based on a rotary table, which is used for solving the problems in the prior art, improving the sealing effect of the rotary table and prolonging the service life of the device.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a multi-stage composite sealing device based on a rotary table, which is characterized in that: the multi-stage sealing structure comprises a first sealing ring, a second sealing ring, a third sealing ring and a fourth sealing ring, a rotary table rotary base is detachably connected with a rotary table box body, a return inner through hole is formed in the rotary table rotary base, the barb structure is detachably connected with the rotary table rotary base and used for avoiding mutual friction between parts to generate thermal deformation, the first sealing ring and the second sealing ring are arranged between the barb device and the rotary table rotary base, a rotary table working face is detachably connected with the return inner through hole, the third sealing ring is arranged between the rotary table working face and the return inner through hole, the air curtain sealing device is connected with the barb structure and used for generating gas to prevent cooling liquid and impurities from entering the rotary table, the fourth sealing ring is arranged between the air curtain sealing device and the barb structure, and the rotary sealing structure is detachably connected to the working surface of the rotary table.
Preferably, the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring are all O-shaped sealing rings.
Preferably, the inner through hole is matched with the inner through hole.
Preferably, the rotary sealing structure is a rotary bearing sealing device.
Preferably, the air curtain sealing device comprises a ventilator and a vent pipe, a vent hole is formed in one side of the barb structure, one end of the vent pipe is communicated with the vent hole, and the other end of the vent pipe is connected with the ventilator.
Preferably, the turntable rotary base is detachably connected with the turntable box body through a first bolt.
Preferably, the rotary sealing structure is detachably connected to the working surface of the rotary table through a third bolt
Preferably, the barb structure is detachably connected to the turntable rotary base through the second bolt.
Preferably, the working surface of the rotary table is detachably connected to the inner through hole through the fourth bolt.
Compared with the prior art, the invention has the following technical effects:
the invention provides a rotary table-based multistage composite sealing device, which comprises a multistage sealing structure, a barb structure, a rotary sealing structure and an air curtain sealing device, wherein the multistage sealing structure comprises a first sealing ring, a second sealing ring, a third sealing ring and a fourth sealing ring, the barb structure is detachably connected with a rotary base of the rotary table, so that the abrasion is reduced, the service life of the device is prolonged, the air curtain sealing device is connected with the barb structure, curtain-type air flow is sprayed from inside to outside by the air curtain sealing device to form air pressure, impurity objects existing in a narrow space flow out of the outside along with the flow of air, cooling liquid and impurities can be effectively prevented from entering the rotary table, the sealing performance is improved, the rotary sealing structure is detachably connected to a working surface of the rotary table, the residual cooling liquid and impurities can be prevented from entering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a sectional view of a multi-stage composite sealing device based on a turntable according to the present invention;
FIG. 2 is a partial cross-sectional view of a multi-stage composite turret-based seal provided by the present invention;
fig. 3 is a cross-sectional view of an air curtain device of a multi-stage composite sealing device based on a rotary table provided by the invention;
wherein: 1-a turntable box body; 2-a first bolt; 3-a first sealing ring; 4-a second sealing ring; 5-a second bolt; 6-third bolt; 7-a turntable rotating base; 8-a fourth bolt; 9-a turntable working surface; 10-inner through hole; 11-inner through hole; 12-a third sealing ring; 13-rotary sealing; 14-a barb construction; 15-a breather pipe; 16-fourth sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a multi-stage composite sealing device based on a rotary table, which is used for solving the problems in the prior art, improving the sealing effect of the rotary table and prolonging the service life of the device.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in FIGS. 1 to 3: the embodiment provides a multistage composite sealing device based on a rotary table, which comprises a multistage sealing structure, a barb structure 14, a rotary sealing structure 13 and an air curtain sealing device, wherein the multistage sealing structure comprises a first sealing ring 3, a second sealing ring 4, a third sealing ring 12 and a fourth sealing ring 16, a rotary table rotary base 7 is detachably connected with a rotary table box body 1, an inner through hole 11 is formed in the rotary table rotary base 7, the barb structure 14 is detachably connected with the rotary table rotary base 7, the first sealing ring 3 and the second sealing ring 4 are arranged between the barb device and the rotary table rotary base 7, a gap exists between the barb structure 14 and the outer part of the rotary table, the thermal deformation caused by mutual friction between parts can be avoided, the rotary table working face 9 is detachably connected with the inner through hole 11, the third sealing ring 12 is arranged between the rotary table working face 9 and the inner through hole 11, the air curtain sealing device is connected with the, the air curtain sealing device can generate curtain type air flow sprayed from inside to outside to form air pressure, so that impurity objects existing in a narrow space flow out of the outside along with the flowing of air, cooling liquid and impurities are effectively prevented from entering the rotary table, parts inside the rotary table are protected from being influenced, the service life is prolonged, and when the barb structure 14 generates a suck-back phenomenon after the air curtain stops working, the cooling liquid outside the rotary table can be prevented from entering the rotary table, and the corrosion inside the rotary table is reduced; the fourth sealing ring 16 is arranged between the air curtain sealing device and the barb structure 14, the rotary sealing structure 13 is detachably connected to the working surface 9 of the rotary table, and the arrangement of the first sealing ring 3, the second sealing ring 4, the third sealing ring 12 and the fourth sealing ring 16 is beneficial to improving the sealing performance of the joint of the device.
The first seal ring 3, the second seal ring 4, the third seal ring 12 and the fourth seal ring 16 are all preferably O-ring seals.
The inner through hole 11 is matched with the inner through hole 10.
The rotary seal 13 is preferably a rotary bearing seal that prevents the ingress of residual coolant and contaminants.
The air curtain sealing device comprises a ventilator and a vent pipe 15, a vent hole is formed in one side of the barb structure 14, one end of the vent pipe 15 is communicated with the vent hole, the other end of the vent pipe 15 is connected with the ventilator, and the ventilator sprays gas from inside to outside and can effectively block cooling liquid and impurities from entering the rotary table. The air curtain device may generate a back suction phenomenon when the air curtain device stops discharging air, and at this time, the barb structure 14 can effectively prevent the coolant impurities from entering during the back suction.
The rotary base 7 of the rotary table is detachably connected with the rotary table box body 1 through a first bolt 2.
The rotary sealing structure 13 is detachably connected to the working surface 9 of the rotary table through a third bolt 6
The barb structure 14 is detachably connected to the turntable swivel base 7 by a second bolt 5.
The rotary table working surface 9 is detachably connected to the inner through hole 11 through a fourth bolt 8.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides a multistage composite seal device based on revolving stage which characterized in that: the multi-stage sealing structure comprises a first sealing ring, a second sealing ring, a third sealing ring and a fourth sealing ring, a rotary table rotary base is detachably connected with a rotary table box body, a return inner through hole is formed in the rotary table rotary base, the barb structure is detachably connected with the rotary table rotary base and used for avoiding mutual friction between parts to generate thermal deformation, the first sealing ring and the second sealing ring are arranged between the barb device and the rotary table rotary base, a rotary table working face is detachably connected with the return inner through hole, the third sealing ring is arranged between the rotary table working face and the return inner through hole, the air curtain sealing device is connected with the barb structure and used for generating gas to prevent cooling liquid and impurities from entering the rotary table, the fourth sealing ring is arranged between the air curtain sealing device and the barb structure, and the rotary sealing structure is detachably connected to the working surface of the rotary table.
2. The turret-based multi-stage compound sealing device of claim 1, wherein: the first sealing ring, the second sealing ring, the third sealing ring and the fourth sealing ring are all O-shaped sealing rings.
3. The turret-based multi-stage compound sealing device of claim 1, wherein: the inner through hole is matched with the inner through hole.
4. The turret-based multi-stage compound sealing device of claim 1, wherein: the rotary sealing structure is a rotary bearing sealing device.
5. The turret-based multi-stage compound sealing device of claim 1, wherein: the air curtain sealing device comprises a ventilator and a vent pipe, wherein a vent hole is formed in one side of the barb structure, one end of the vent pipe is communicated with the vent hole, and the other end of the vent pipe is connected with the ventilator.
6. The turret-based multi-stage compound sealing device of claim 1, wherein: the rotary base of the rotary table is detachably connected with the rotary table box body through a first bolt.
7. The turret-based multi-stage compound sealing device of claim 1, wherein: the rotary sealing structure is detachably connected to the working surface of the rotary table through a third bolt.
8. The turret-based multi-stage compound sealing device of claim 1, wherein: the barb structure is detachably connected to the rotary base of the rotary table through the second bolt.
9. The turret-based multi-stage compound sealing device of claim 1, wherein: the working surface of the rotary table is detachably connected to the inner return through hole through the fourth bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118151.2A CN111185798B (en) | 2020-02-26 | 2020-02-26 | Multistage compound sealing device based on revolving stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118151.2A CN111185798B (en) | 2020-02-26 | 2020-02-26 | Multistage compound sealing device based on revolving stage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111185798A true CN111185798A (en) | 2020-05-22 |
| CN111185798B CN111185798B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010118151.2A Active CN111185798B (en) | 2020-02-26 | 2020-02-26 | Multistage compound sealing device based on revolving stage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111185798B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001200844A (en) * | 1999-11-08 | 2001-07-27 | Ntn Corp | Hydrostatic gas bearing spindle |
| JP2007263345A (en) * | 2006-03-30 | 2007-10-11 | Nippon Pillar Packing Co Ltd | Sealing device |
| CN201963591U (en) * | 2011-03-07 | 2011-09-07 | 江苏金通灵流体机械科技股份有限公司 | Shaft seal device of air compressor |
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| CN109027237A (en) * | 2018-09-21 | 2018-12-18 | 山东洛轴所轴承研究院有限公司 | A kind of mixing sealing structure applied in high pressure differential environment |
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-
2020
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| JP2007263345A (en) * | 2006-03-30 | 2007-10-11 | Nippon Pillar Packing Co Ltd | Sealing device |
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| CN102900770A (en) * | 2012-11-01 | 2013-01-30 | 上海机床厂有限公司 | High-speed hybrid electric spindle sealing structure |
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| CN203257572U (en) * | 2013-05-03 | 2013-10-30 | 重庆松普电器有限公司 | Detachable leaking basket type filter |
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| CN105750938A (en) * | 2016-04-07 | 2016-07-13 | 江苏新瑞重工科技有限公司 | B-C five-axis turntable |
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| CN109027237A (en) * | 2018-09-21 | 2018-12-18 | 山东洛轴所轴承研究院有限公司 | A kind of mixing sealing structure applied in high pressure differential environment |
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| Publication number | Publication date |
|---|---|
| CN111185798B (en) | 2024-05-24 |
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