CN106545642B - Retaining device is got rid of in the sealing of single screw extrusion machine reduction box input shaft - Google Patents
Retaining device is got rid of in the sealing of single screw extrusion machine reduction box input shaft Download PDFInfo
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- CN106545642B CN106545642B CN201611109005.3A CN201611109005A CN106545642B CN 106545642 B CN106545642 B CN 106545642B CN 201611109005 A CN201611109005 A CN 201611109005A CN 106545642 B CN106545642 B CN 106545642B
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- oil
- interior
- input shaft
- rid
- scraper ring
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Classifications
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
- F16J15/4476—Labyrinth packings with radial path
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of sealings of single screw extrusion machine reduction box input shaft to get rid of retaining device, including cabinet and the input shaft mounting hole being arranged on cabinet, passes through bearing and input axis connection in the input shaft mounting hole；Gear component is got rid of in being successively arranged outward on input shaft on the outside of the mounting hole and gets rid of gear component outside.Retaining device is got rid of by using described herein, it is cooperated using the interior dual gear oil machine structure for getting rid of gear component and getting rid of gear component outside, oil body is dredged into back way to cycle oil, efficiently solve the leakage phenomenon of single screw extrusion machine reduction box input shaft, the labor intensity for greatly reducing component failure processing, improves the practicability and reliability of equipment.
Description
Technical field
The present invention relates to a kind of sealings of single screw extrusion machine reduction box input shaft to get rid of retaining device.
Background technique
It is well known that gear-box is widely used in industrial equipment as drive apparatus.Especially single screw extrusion machine subtracts
Fast case is using relatively broad in rubber, chemical fibre industry, and input shaft rotating speed is higher in existing gear-box, internal lubrication oil pole
It is easily leaked outward with rotation and from input shaft, oil leak is serious.The prior art is badly in need of a kind of single spiral shell that can prevent input shaft oil leak
Retaining device is got rid of in the input sealing of bar reducer casing of extruder.
Summary of the invention
It is an object of the invention to overcome defect existing in the prior art, a kind of list that can prevent input shaft oil leak is provided
Retaining device is got rid of in the sealing of screw extruder reduction box input shaft.
To achieve the above object, the technical solution of the present invention is to provide a kind of single screw extrusion machine reduction box input shaft is close
Envelope gets rid of retaining device, including cabinet and the input shaft mounting hole that is arranged on cabinet, in the input shaft mounting hole by bearing and
Input axis connection；Gear component is got rid of in being successively arranged outward on input shaft on the outside of the mounting hole and gets rid of gear component outside；
The interior disc that gear component includes interior oil scraper ring and is used cooperatively with interior oil scraper ring is got rid of in described；The interior oil scraper ring
It is described including the interior oil scraper ring plate being arranged radially along input shaft and the interior gear oil-collecting endless tube for being vertically installed in interior oil scraper ring plate outer rim
Interior gear oil-collecting endless tube and interior oil scraper ring plate are integrally formed, and the interior gear oil-collecting endless tube outer rim is fixed with cabinet；
The interior oil scraper ring bottom is equipped with interior oil leakaging port, and it is logical that the bottom of box is equipped with the oil return cooperated with interior oil leakaging port
Road；The interior disc includes the interior disc plate being arranged radially along input shaft and is vertically installed in interior disc plate inner edge
Get rid of oil-collecting endless tube, it is described in get rid of between oil collecting ring pipe outer wall and interior oil scraper ring inner edge that there are cross oil-gap；
The outer outer disc for getting rid of gear component and including outer oil scraper ring and being used cooperatively with outer oil scraper ring；The outer oil scraper ring
Outer rim is fixed with cabinet, and there are spacing between inner edge and input shaft；The outer oil scraper ring bottom is equipped with outer oil leakaging port, the cabinet
Bottom is equipped with the way to cycle oil cooperated with outer oil leakaging port；
The outer oil scraper ring includes the outer oil scraper ring plate being arranged radially along input shaft and is vertically installed in outside outer oil scraper ring plate
The outer gear oil-collecting endless tube of edge, the outer gear oil-collecting endless tube and outer oil scraper ring plate are integrally formed, the outer gear oil-collecting endless tube outer rim and
Box sealing is fixed, and the outer oil scraper ring plate setting keeps off the middle part of oil-collecting endless tube outside；
The outer disc is set to the outside of outer oil scraper ring, the outer disc inner edge and the fixed company of input sealing
It connects, the outer disc outer rim is to get rid of oily tip outside；It is that outside oil scraper ring is curved between the outer disc inner edge and outer rim
Outer guiding bent plate.
Retaining device is got rid of by using described herein, utilizes the interior dual gear oil machine structure for getting rid of gear component and get rid of gear component outside
It cooperates, oil body is dredged into back way to cycle oil, efficiently solves the leakage phenomenon of single screw extrusion machine reduction box input shaft,
The labor intensity for greatly reducing component failure processing, improves the practicability and reliability of equipment.
Preferably, the interior disc plate was set to the fuel-displaced side of oil-gap；Such design is convenient in utilization
Oil scraper ring stops most get rid of to get rid of oil-collecting endless tube in spilled oil body and be equipped with the pin hole fixed with input shaft, it is described in get rid of oil-collecting
Endless tube and interior disc plate are integrally formed, and oily tip is got rid of to be interior in the interior disc plate outer end.Such design is conducive to interior get rid of
The fixation of oil ring inside gets rid of oily tip and is conducive to form disc plate in oil body disengaging, stopped by interior oil scraper ring plate.
Preferably, the interior disc plate is the relatively thin dish-shaped plectane in middle part thicker end portion, the dish plectane table
Face offers interior oil guide groove.The oil body that such design is conducive on internal disc plate is dredged and is thrown away.Preferably,
The interior oil guide groove is opened up along the radial direction of dish-shaped plectane.Such design is conducive to oil body on dish-shaped plectane along interior Oil Guide
Slot is thrown away to outer edge, is improved and is thrown away efficiency and dynamics, convenient for the collection of interior oil scraper ring next step.Preferably, described
Interior oil guide groove extends along dish-shaped plectane center to outer helix.Such design is conducive to oil body and leads on dish-shaped plectane along interior
Oil groove is thrown away to outer edge, is improved and is thrown away efficiency and dynamics, convenient for the collection of interior oil scraper ring next step.
Preferably, the joining place of the interior oil scraper ring plate and interior gear oil-collecting endless tube is equipped with inner oil pooling groove, it is described interior
Oil-collecting groove is connected to interior oil leakaging port；The interior oil scraper ring plate surface be equipped with interior oleophobic lines, the interior oleophobic lines in a ring,
The interior oleophobic lines lower end of the annular is connected to interior oil leakaging port.Such design is conducive to splash in interior oil scraper ring plate and interior gear collection
The oil body (most of oil body) of the joining place of oil ring pipe collects in inner oil pooling groove, and along inner oil pooling groove from interior oil leakaging port
Discharge；Remaining a small amount of oil body, to interior oil leakaging port, prevents it from entering oil-gap to greatest extent along interior oleophobic lines.
Preferably, the outer guiding bent plate inner surface offers outer oil guide groove；Such design is conducive to externally guiding
Oil body on bent plate is dredged and is thrown away；The outer oil scraper ring plate surface is equipped with outer oleophobic lines, and the outer oleophobic lines is in
The outer oleophobic lines lower end of annular, the annular is connected to outer oil leakaging port.Oil body is maximum along outer oleophobic lines to outer oil leakaging port
Limit prevents it from entering spacing.
Preferably, being additionally provided with end cover on the input shaft, the end cover is connect with box sealing, described
End cover is equipped with input shaft via hole, and the spiral labyrinch seal with input shaft cooperation sealing is equipped in the input shaft via hole
Slot.Further increase sealing effect.
Preferably, the spiral labyrinch seal slot hand of spiral and rotation direction are on the contrary, the spiral labyrinch seal
The lower end of slot is equipped with Oil Guide notch, and the Oil Guide notch is connected to way to cycle oil.Spiral labyrinch seal is utilized in such design
The hand of spiral of slot mutually inhibits oil body to spread in input shaft rotation to the outside of input shaft instead with rotation direction, plays
Last oil-leakage-prevention effect.
The advantages and beneficial effects of the present invention are: getting rid of retaining device by using described herein, gear group is got rid of using interior
Part and the dual gear oil machine structure for getting rid of gear component outside cooperate, and oil body is dredged back way to cycle oil, efficiently solves single screw rod
The leakage phenomenon of reducer casing of extruder input shaft greatly reduces the labor intensity of component failure processing, improves equipment
Practicability and reliability.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the interior oil retainer structure schematic diagram that the present invention has interior oleophobic lines；
Fig. 3 is the interior oil retainer structure cross-sectional view that the present invention has interior oleophobic lines；
Fig. 4 is the interior disc structural schematic diagram that the present invention is equipped with interior oil guide groove
Fig. 5 is the outer oil retainer structure schematic diagram that the present invention has outer oleophobic lines；
Fig. 6 is the outer disc structural schematic diagram that the present invention is equipped with outer oil guide groove.
In figure: 1, interior disc；2, spiral labyrinch seal slot；3, input shaft；5, interior oil scraper ring；6, interior oil leakaging port；7,
Bearing；8, way to cycle oil；9, interior disc plate；10, interior to get rid of oil-collecting endless tube；11, interior oil scraper ring plate；12, interior gear oil-collecting endless tube；
13, interior to get rid of oily tip；14, interior oil guide groove；15, inner oil pooling groove；16, interior oleophobic lines；17, end cover；18, Oil Guide lacks
Mouthful；101, outer disc；501, outer oil scraper ring；601, outer oil leakaging port；901, outer guiding bent plate；1101, outer oil scraper ring plate；
1201, outer gear oil-collecting endless tube；1301, oily tip is got rid of outside；1401, outer oil guide groove；1601, outer oleophobic lines.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
As shown in Figures 1 to 6, retaining device is got rid of in a kind of single screw extrusion machine reduction box input shaft sealing, including cabinet and is set
3 mounting hole of input shaft on cabinet is set, is connect by bearing 7 with input shaft 3 in 3 mounting hole of input shaft；The installation
Gear component is got rid of in being successively arranged outward on input shaft 3 on the outside of hole and gets rid of gear component outside；
The interior disc 1 that gear component includes interior oil scraper ring 5 and is used cooperatively with interior oil scraper ring 5 is got rid of in described；The interior gear
Oil ring 5 includes the interior oil scraper ring plate 11 being arranged radially along input shaft 3 and the interior gear collection for being vertically installed in interior 11 outer rim of oil scraper ring plate
Oil ring pipe 12, the interior gear oil-collecting endless tube 12 are integrally formed with interior oil scraper ring plate 11, interior 12 outer rim of gear oil-collecting endless tube and case
Body is fixed；
5 bottom of interior oil scraper ring is equipped with interior oil leakaging port 6, and the bottom of box is equipped with the oil return cooperated with interior oil leakaging port 6
Access 8；The interior disc 1 includes the interior disc plate 9 being arranged radially along input shaft 3 and is vertically installed in interior disc plate 9
Get rid of oil-collecting endless tube 10 in inner edge, it is described in get rid of between 5 inner edge of 10 outer wall of oil-collecting endless tube and interior oil scraper ring that there are cross oil-gap；
The outer outer disc 101 for getting rid of gear component and including outer oil scraper ring 501 and being used cooperatively with outer oil scraper ring 501；Institute
It states outer 501 outer rim of oil scraper ring to fix with cabinet, there are spacing between inner edge and input shaft 3；501 bottom of outer oil scraper ring is equipped with
Outer oil leakaging port 601, the bottom of box are equipped with the way to cycle oil 8 cooperated with outer oil leakaging port 601；
The outer oil scraper ring 501 includes the outer oil scraper ring plate 1101 being arranged radially along input shaft 3 and is vertically installed in outer gear
The outer gear oil-collecting endless tube 1201 of 1101 outer rim of oil ring plate, the outer gear oil-collecting endless tube 1201 and outer 1101 one of oil scraper ring plate at
Type, outer 1201 outer rim of gear oil-collecting endless tube are fixed with box sealing, and the outer setting of oil scraper ring plate 1101 keeps off oil collecting ring outside
The middle part of pipe 1201；
The outer disc 101 is set to the outside of outer oil scraper ring 501, and outer 101 inner edge of disc and input shaft 3 are close
Envelope is fixedly connected, and outer 101 outer rim of disc is to get rid of oily tip 1301 outside；Between 101 inner edge of outer disc and outer rim
For the curved outer guiding bent plate 901 of outside oil scraper ring 501.
The interior disc plate 9 was set to the fuel-displaced side of oil-gap；It inside gets rid of oil-collecting endless tube 10 and is equipped with and consolidate with input shaft 3
Fixed pin hole, the interior oil-collecting endless tube 10 that gets rid of are integrally formed with interior disc plate 9, and interior 9 outer end of disc plate is interior
Get rid of oily tip 13.
The interior disc plate 9 is the relatively thin dish-shaped plectane in middle part thicker end portion, and the dish plectane surface offers interior
Oil guide groove 14.
The joining place of the interior oil scraper ring plate 11 and interior gear oil-collecting endless tube 12 is equipped with inner oil pooling groove 15, and the interior oil-collecting is recessed
Slot 15 is connected to interior oil leakaging port 6；Interior 11 surface of oil scraper ring plate is equipped with interior oleophobic lines 16, and the interior oleophobic lines 16 is in ring
Interior 16 lower end of oleophobic lines of shape, the annular is connected to interior oil leakaging port 6.
Outer 901 inner surface of guiding bent plate offers outer oil guide groove 1401；Outer 1101 surface of oil scraper ring plate is equipped with
Outer oleophobic lines 1601, the outer oleophobic lines 1601 in a ring, outer 1601 lower end of oleophobic lines of the annular and outer oil leak
Mouth 601 is connected to.
End cover 17 is additionally provided on the input shaft 3, the end cover 17 is connect with box sealing, the sealed end
Lid 17 is equipped with 3 via hole of input shaft, and the spiral labyrinch seal slot with the cooperation sealing of input shaft 3 is equipped in 3 via hole of input shaft
2。
2 hand of spiral of spiral labyrinch seal slot is with rotation direction on the contrary, the lower end of the spiral labyrinch seal slot 2 is set
There is Oil Guide notch 18, the Oil Guide notch 18 is connected to way to cycle oil 8.
Embodiment 1
Retaining device is got rid of in a kind of sealing of single screw extrusion machine reduction box input shaft 3, including cabinet and is arranged in defeated on cabinet
Enter 3 mounting hole of axis, is connect by bearing 7 with input shaft 3 in 3 mounting hole of input shaft；Input shaft 3 on the outside of the mounting hole
On be successively arranged outward in get rid of gear component and get rid of gear component outside；
The interior disc 1 that gear component includes interior oil scraper ring 5 and is used cooperatively with interior oil scraper ring 5 is got rid of in described；The interior gear
Oil ring 5 includes the interior oil scraper ring plate 11 being arranged radially along input shaft 3 and the interior gear collection for being vertically installed in interior 11 outer rim of oil scraper ring plate
Oil ring pipe 12, the interior gear oil-collecting endless tube 12 are integrally formed with interior oil scraper ring plate 11, interior 12 outer rim of gear oil-collecting endless tube and case
Body is fixed；
5 bottom of interior oil scraper ring is equipped with interior oil leakaging port 6, and the bottom of box is equipped with the oil return cooperated with interior oil leakaging port 6
Access 8；The interior disc 1 includes the interior disc plate 9 being arranged radially along input shaft 3 and is vertically installed in interior disc plate 9
Get rid of oil-collecting endless tube 10 in inner edge, it is described in get rid of between 5 inner edge of 10 outer wall of oil-collecting endless tube and interior oil scraper ring that there are cross oil-gap；
The outer outer disc 101 for getting rid of gear component and including outer oil scraper ring 501 and being used cooperatively with outer oil scraper ring 501；Institute
It states outer 501 outer rim of oil scraper ring to fix with cabinet, there are spacing between inner edge and input shaft 3；501 bottom of outer oil scraper ring is equipped with
Outer oil leakaging port 601, the bottom of box are equipped with the way to cycle oil 8 cooperated with outer oil leakaging port 601；
The outer oil scraper ring 501 includes the outer oil scraper ring plate 1101 being arranged radially along input shaft 3 and is vertically installed in outer gear
The outer gear oil-collecting endless tube 1201 of 1101 outer rim of oil ring plate, the outer gear oil-collecting endless tube 1201 and outer 1101 one of oil scraper ring plate at
Type, outer 1201 outer rim of gear oil-collecting endless tube are fixed with box sealing, and the outer setting of oil scraper ring plate 1101 keeps off oil collecting ring outside
The middle part of pipe 1201；
The outer disc 101 is set to the outside of outer oil scraper ring 501, and outer 101 inner edge of disc and input shaft 3 are close
Envelope is fixedly connected, and outer 101 outer rim of disc is to get rid of oily tip 1301 outside；Between 101 inner edge of outer disc and outer rim
For the curved outer guiding bent plate 901 of outside oil scraper ring 501.
The interior disc plate 9 was set to the fuel-displaced side of oil-gap；It inside gets rid of oil-collecting endless tube 10 and is equipped with and consolidate with input shaft 3
Fixed pin hole, the interior oil-collecting endless tube 10 that gets rid of are integrally formed with interior disc plate 9, and interior 9 outer end of disc plate is interior
Get rid of oily tip 13.
When in use, oil body splashes in the connection cooperation outer end of input shaft 3 and bearing 7, successively gets rid of gear component in process
The baffle seal for getting rid of gear component outside, plays preferable oil-leakage-prevention effect；It is got rid of under gear component effect inside, is splashed to interior gear first
It is specific most of to splash in the joining place and its neighboring area of interior oil scraper ring plate 11 and interior gear oil-collecting endless tube 12 on oil ring 5,
Oil body converges on interior oil scraper ring plate 11 under the guiding of interior gear oil-collecting endless tube 12, work of the oil body on interior oil scraper ring plate 11 in gravity
It under, flows downward, finally converges in interior oil leakaging port 6, to flow back to inner cavity from way to cycle oil 8；Small part oil body is between oil excessively
Gap gets rid of oil-collecting endless tube 10 in entering, and under the outside leakage trend of oil body, interior disc plate 9 is stepped into, in the work of centrifugal force
It under, gets rid of oily tip 13 from interior and throws away, into the oil-blocking action for getting rid of oil scraper ring 501 outside gear component outside；
It is got rid of under gear component effect outside, gets rid of the oil body splashed from interior disc plate 9 and be splashed on outer oil scraper ring 501, have
The most of of body is splashed in the joining place and its neighboring area (inner surface section of outer oil scraper ring plate 1101 and outer gear oil-collecting endless tube 1201
Domain), oil body under the guiding of oil-collecting endless tube 1201 is kept off outside to be converged on outer oil scraper ring plate 1101, the oil on outer oil scraper ring plate 1101
Body under gravity, flows downward, and finally converges in outer oil leakaging port 601, to flow back to inner cavity from way to cycle oil 8；Few portion
Oil separator enters outer disc 101 from spacing, under the outside leakage trend of oil body, and its under the influence of centrifugal force, outside
Oily tip 1301 is got rid of outside being oriented under the guiding of bent plate 901 to throw away, and is converged on outer oil scraper ring plate 1101 (exterior surface area), outer gear
Oil body on oil ring plate 1101 flows downward under gravity, finally converges in outer oil leakaging port 601, thus logical from oil return
Inner cavity is flowed back on road 8；It loops back and forth like this, gets rid of gear cooperation and prevent most permeability.
Embodiment 2
As advanced optimizing to embodiment 1, part Oil Guide groove body is opened up on the surface for getting rid of gear component, to oil body
Flow direction and flow velocity are further optimized；Maze trough mechanical energy is increased simultaneously gives you last sealing protection together.
The interior disc plate 9 is the relatively thin dish-shaped plectane in middle part thicker end portion, and the dish plectane surface offers interior
Oil guide groove 14.
A kind of mode of grooving of interior oil guide groove 14: the interior oil guide groove 14 is opened up along the radial direction of dish-shaped plectane.In this way
Design be conducive to oil body thrown away along interior oil guide groove 14 to outer edge on dish-shaped plectane, improve and throw away efficiency and dynamics, just
In the collection of interior 5 next step of oil scraper ring.
Another mode of grooving of interior oil guide groove 14: the interior oil guide groove 14 is prolonged along dish-shaped plectane center to outer helix
It stretches.It is such design be conducive to oil body thrown away along interior oil guide groove 14 to outer edge on dish-shaped plectane, improve throw away efficiency and
Dynamics, convenient for the collection of interior 5 next step of oil scraper ring.
The joining place of the interior oil scraper ring plate 11 and interior gear oil-collecting endless tube 12 is equipped with inner oil pooling groove 15, and the interior oil-collecting is recessed
Slot 15 is connected to interior oil leakaging port 6；Interior 11 surface of oil scraper ring plate is equipped with interior oleophobic lines 16, and the interior oleophobic lines 16 is in ring
Interior 16 lower end of oleophobic lines of shape, the annular is connected to interior oil leakaging port 6.Such design is conducive to splash in interior oil scraper ring plate 11
It is collected in inner oil pooling groove 15 with the oil body (most of oil body) of the joining place of interior gear oil-collecting endless tube 12, and recessed along interior oil-collecting
Slot 15 is discharged from interior oil leakaging port 6；Remaining a small amount of oil body, to interior oil leakaging port 6, prevents it along interior oleophobic lines 16 to greatest extent
Into oil-gap.
Outer 1101 surface of oil scraper ring plate be equipped with outer oleophobic lines 1601, the outer oleophobic lines 1601 in a ring, institute
Outer 1601 lower end of oleophobic lines for stating annular is connected to outer oil leakaging port 601.Oil body is along outer oleophobic lines 1601 to outer oil leakaging port
601, prevent it from entering spacing to greatest extent.
End cover 17 is additionally provided on the input shaft 3, the end cover 17 is connect with box sealing, the sealed end
Lid 17 is equipped with 3 via hole of input shaft, and the spiral labyrinch seal slot with the cooperation sealing of input shaft 3 is equipped in 3 via hole of input shaft
2.It is sealed between such design input shaft 3 and end cover 17 by spiral labyrinch seal slot 2.Further increase sealing
Effect.
2 hand of spiral of spiral labyrinch seal slot is with rotation direction on the contrary, the lower end of the spiral labyrinch seal slot 2 is set
There is Oil Guide notch 18, the Oil Guide notch 18 is connected to way to cycle oil 8.Spiral labyrinch seal slot 2 is utilized in such design
The hand of spiral mutually inhibits oil body to spread in the rotation of input shaft 3 to the outside of input shaft 3 instead with rotation direction, plays most
Oil-leakage-prevention effect afterwards.
When assembly, the geometric tolerance of gear housing is first checked, check whether installation sealing structure position has deformation, if circle
Degree will be then modified more than 0.3mm, to guarantee that gear-box does not generate interference and friction during the work time.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, the front lower of the technology of the present invention principle is not being departed from, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. retaining device is got rid of in a kind of single screw extrusion machine reduction box input shaft sealing, it is characterised in that: including cabinet and be arranged in case
Input shaft mounting hole on body, the input shaft mounting hole is interior to pass through bearing and input axis connection；It is defeated on the outside of the mounting hole
Enter to get rid of gear component outward on axis in being successively arranged and gets rid of gear component outside；
The interior disc that gear component includes interior oil scraper ring and is used cooperatively with interior oil scraper ring is got rid of in described；The interior oil scraper ring includes
The interior oil scraper ring plate being arranged radially along input shaft and the interior gear oil-collecting endless tube for being vertically installed in interior oil scraper ring plate outer rim, the interior gear
Oil-collecting endless tube and interior oil scraper ring plate are integrally formed, and the interior gear oil-collecting endless tube outer rim is fixed with cabinet；
The interior oil scraper ring bottom is equipped with interior oil leakaging port, and the bottom of box is equipped with the way to cycle oil cooperated with interior oil leakaging port；Institute
Interior disc is stated to include the interior disc plate being arranged radially along input shaft and be vertically installed in interior disc plate inner edge and get rid of collection
Oil ring pipe, it is described in get rid of between oil collecting ring pipe outer wall and interior oil scraper ring inner edge there are cross oil-gap；
The outer outer disc for getting rid of gear component and including outer oil scraper ring and being used cooperatively with outer oil scraper ring；The outer oil scraper ring outer rim
It is fixed with cabinet, there are spacing between inner edge and input shaft；The outer oil scraper ring bottom is equipped with outer oil leakaging port, the bottom of box
Equipped with the way to cycle oil cooperated with outer oil leakaging port；
The outer oil scraper ring includes the outer oil scraper ring plate being arranged radially along input shaft and is vertically installed in outer oil scraper ring plate outer rim
Outer gear oil-collecting endless tube, the outer gear oil-collecting endless tube and outer oil scraper ring plate are integrally formed, the outer gear oil-collecting endless tube outer rim and cabinet
Sealing is fixed, and the outer oil scraper ring plate setting keeps off the middle part of oil-collecting endless tube outside；
The outer disc is set to the outside of outer oil scraper ring, and the outer disc inner edge is sealedly and fixedly connected with input shaft, institute
Stating outer disc outer rim is to get rid of oily tip outside；It is the curved outer guiding of outside oil scraper ring between the outer disc inner edge and outer rim
Bent plate.
2. retaining device is got rid of in single screw extrusion machine reduction box input shaft sealing as described in claim 1, it is characterised in that: in described
Disc plate was set to the fuel-displaced side of oil-gap；It inside gets rid of oil-collecting endless tube and is equipped with the pin hole fixed with input shaft, it is described interior
It gets rid of oil-collecting endless tube and interior disc plate is integrally formed, oily tip is got rid of to be interior in the interior disc plate outer end.
3. retaining device is got rid of in single screw extrusion machine reduction box input shaft sealing as claimed in claim 2, it is characterised in that: in described
Disc plate is the relatively thin dish-shaped plectane in middle part thicker end portion, and the dish plectane surface offers interior oil guide groove.
4. retaining device is got rid of in single screw extrusion machine reduction box input shaft sealing as claimed in claim 3, it is characterised in that: in described
The joining place of oil scraper ring plate and interior gear oil-collecting endless tube is equipped with inner oil pooling groove, and the inner oil pooling groove is connected to interior oil leakaging port；Institute
Interior oil scraper ring plate surface is stated equipped with interior oleophobic lines, the interior oleophobic lines in a ring, the interior oleophobic lines lower end of the annular
It is connected to interior oil leakaging port.
5. retaining device is got rid of in single screw extrusion machine reduction box input shaft sealing as claimed in claim 4, it is characterised in that: described outer
Guiding bent plate inner surface offers outer oil guide groove；The outer oil scraper ring plate surface is equipped with outer oleophobic lines, the outer oleophobic lines
In a ring, the outer oleophobic lines lower end of the annular is connected to outer oil leakaging port.
6. retaining device is got rid of in single screw extrusion machine reduction box input shaft sealing as claimed in claim 5, it is characterised in that: described defeated
Entering and is additionally provided with end cover on axis, the end cover is connect with box sealing, and the end cover is equipped with input shaft via hole,
The spiral labyrinch seal slot with input shaft cooperation sealing is equipped in the input shaft via hole.
7. retaining device is got rid of in single screw extrusion machine reduction box input shaft sealing as claimed in claim 6, it is characterised in that: the spiral shell
Revolve the labyrinth seal groove hand of spiral and rotation direction on the contrary, the lower end of the spiral labyrinch seal slot is equipped with Oil Guide notch, it is described
Oil Guide notch is connected to way to cycle oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109005.3A CN106545642B (en) | 2016-12-06 | 2016-12-06 | Retaining device is got rid of in the sealing of single screw extrusion machine reduction box input shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611109005.3A CN106545642B (en) | 2016-12-06 | 2016-12-06 | Retaining device is got rid of in the sealing of single screw extrusion machine reduction box input shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106545642A CN106545642A (en) | 2017-03-29 |
| CN106545642B true CN106545642B (en) | 2019-04-19 |
Family
ID=58396282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611109005.3A Expired - Fee Related CN106545642B (en) | 2016-12-06 | 2016-12-06 | Retaining device is got rid of in the sealing of single screw extrusion machine reduction box input shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4130524A4 (en) * | 2020-06-05 | 2023-12-06 | Harmonic Drive Systems Inc. | Lubricant sealing structure, wave-motion gear device and actuator |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210176A (en) * | 2018-09-24 | 2019-01-15 | 江苏悦达专用车有限公司 | A kind of connection structure of transmission case body and transmission shaft |
| CN109915585A (en) * | 2019-01-15 | 2019-06-21 | 哈尔滨广瀚动力传动有限公司 | A kind of vertical non-contact sealing arrangement |
| CN112211988B (en) * | 2020-09-03 | 2022-01-14 | 河北华丰能源科技发展有限公司 | Speed reducer with oil leakage prevention function |
| CN113137370A (en) * | 2021-04-27 | 2021-07-20 | 浙江真空设备集团有限公司 | Sealing structure of vacuum pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202468934U (en) * | 2012-03-16 | 2012-10-03 | 中国石油化工股份有限公司 | Pumping unit reduction box capable of preventing oil leakage |
| EP2901046B1 (en) * | 2012-09-25 | 2017-02-01 | Sew-Eurodrive GmbH & Co. KG | Seal arrangement for the sealing of a shaft and transmission |
| CN203384300U (en) * | 2013-06-27 | 2014-01-08 | 杭州萧山曙光机械厂 | Conical double-screw extruder gearbox |
| CN204386455U (en) * | 2015-01-15 | 2015-06-10 | 徐志民 | The high-power ground auger of a kind of Novel belt reverse gear |
| CN206398050U (en) * | 2016-12-06 | 2017-08-11 | 江苏昊克传动科技股份有限公司 | Retaining device is got rid of in the sealing of single screw extrusion machine reduction box input shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4130524A4 (en) * | 2020-06-05 | 2023-12-06 | Harmonic Drive Systems Inc. | Lubricant sealing structure, wave-motion gear device and actuator |
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| CN106545642A (en) | 2017-03-29 |
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