CN206398049U - Gear box of double-screw extruder input shaft anti-oil leakage mechanism - Google Patents
Gear box of double-screw extruder input shaft anti-oil leakage mechanism Download PDFInfo
- Publication number
- CN206398049U CN206398049U CN201621327801.XU CN201621327801U CN206398049U CN 206398049 U CN206398049 U CN 206398049U CN 201621327801 U CN201621327801 U CN 201621327801U CN 206398049 U CN206398049 U CN 206398049U
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- CN
- China
- Prior art keywords
- oil
- input shaft
- scraper ring
- oil scraper
- disc
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of gear box of double-screw extruder input shaft anti-oil leakage mechanism, including casing and the input shaft mounting hole being arranged on casing, is connected in the input shaft mounting hole by bearing with input shaft；Oil scraper ring and the disc used cooperatively with oil scraper ring are cased with input shaft on the outside of the mounting hole；The oil scraper ring outer rim is fixed with casing, and spacing is left between inner edge and input shaft；The oil scraper ring bottom is provided with oil leakaging port, and the bottom half is provided with the way to cycle oil coordinated with oil leakaging port.By using anti-oil leakage mechanism described herein, utilize the mutual cooperation of disc and oil scraper ring, oil body is dredged into back way to cycle oil, efficiently solve the Seepage of gear box of double-screw extruder input shaft, the labor intensity of component failure processing is greatly reduced, the practicality and reliability of equipment is improved.
Description
Technical field
The utility model is related to a kind of gear box of double-screw extruder input shaft anti-oil leakage mechanism.
Background technology
It is well known that double screw extruder, which has, forces extrusion, high-quality, applied widely, long lifespan, shear rate
Small, immeasurable to be not easily decomposed, knead the features such as plasticizing capacity is good, gear-box is used as transmission transmission equipment, it is necessary to have high rotating speed, high
The characteristic of moment of torsion.Because the input shaft rotating speed of gear-box is higher, internal lubricating oil is outside from input shaft easily with rotation
Seepage, oil leak is serious.Prior art urgent need is a kind of to prevent the gear box of double-screw extruder input shaft leakproof of input shaft oil leak
Oil machine structure.
Utility model content
The purpose of this utility model is to overcome defect present in prior art can prevent input shaft oil leak there is provided one kind
Gear box of double-screw extruder input shaft anti-oil leakage mechanism.
To achieve the above object, the technical solution of the utility model there is provided a kind of gear box of double-screw extruder input
Passes through bearing in axle anti-oil leakage mechanism, including casing and the input shaft mounting hole being arranged on casing, the input shaft mounting hole
It is connected with input shaft；Oil scraper ring and the disc used cooperatively with oil scraper ring are cased with input shaft on the outside of the mounting hole；Institute
State oil scraper ring outer rim to fix with casing, spacing is left between inner edge and input shaft；The oil scraper ring bottom is provided with oil leakaging port, described
Bottom half is provided with the way to cycle oil coordinated with oil leakaging port；The disc include the disc plate being radially arranged along input shaft and
Be vertically installed in disc plate inner edge gets rid of oil-collecting endless tube, and described get rid of left oil between oil collecting ring pipe outer wall and oil scraper ring inner edge
Gap；The oil scraper ring is arranged at intervals with disc on input shaft.
By using anti-oil leakage mechanism described herein, using the mutual cooperation of disc and oil scraper ring, oil body is dredged
Way to cycle oil is led back to, the Seepage of gear box of double-screw extruder input shaft is efficiently solved, zero is greatly reduced
The labor intensity of part troubleshooting, improves the practicality and reliability of equipment.
As preferred, the oil scraper ring includes the oil scraper ring plate being radially arranged along input shaft and is vertically installed in oil scraper ring
The gear oil-collecting endless tube of plate outer rim, the gear oil-collecting endless tube is integrally formed with oil scraper ring plate, the gear oil-collecting endless tube outer rim and casing
It is fixed, oil scraper ring plate inner edge and get rid of and left oil-gap between oil collecting ring pipe outer wall.Such design, when oil body is got rid of from input shaft
When spilling next, it is collected and is gathered on gear oil-collecting endless tube and oil scraper ring plate inwall, converged under gravity along oil scraper ring plate
Oil leakaging port, a small amount of oil body enters from oil-gap excessively gets rid of oil-collecting endless tube.
As preferred, the disc plate was arranged at the fuel-displaced side of oil-gap.Such design is easy to utilize gear oil
Ring stop is most to get rid of spilled oil body.
As preferred, get rid of oil-collecting endless tube and be provided with the pin hole fixed with input shaft, it is described to get rid of oil-collecting endless tube and get rid of oil
Ring flat-plate is integrally formed, and the disc plate outer end is to get rid of oily tip.Such design gets rid of oily tip beneficial to the fixation of disc
Depart from disc plate beneficial to oil body is formed, stopped by oil scraper ring plate.
As preferred, the disc plate is the relatively thin dish-shaped plectane in middle part thicker end portion, the dish-shaped plectane surface
Offer oil guide groove.Such design is beneficial to the oil body on disc plate is dredged and thrown away.
As preferred, radial direction of the oil guide groove along dish-shaped plectane is opened up.Such design is beneficial to oil body in dish
Thrown away on shape plectane along oil guide groove to outward flange, improve and throw away efficiency and dynamics, be easy to the collection of oil scraper ring next step.
As preferred, the oil guide groove extends along dish-shaped plectane center to outer helix.Such design is beneficial to oil
Body is thrown away on dish-shaped plectane along oil guide groove to outward flange, is improved and is thrown away efficiency and dynamics, is easy to oil scraper ring next step
Collect.
As preferred, the joining place of the oil scraper ring plate and gear oil-collecting endless tube is provided with oil-collecting groove, the oil-collecting groove
Connected with oil leakaging port；The oil scraper ring plate surface be provided with oleophobic lines, the oleophobic lines in a ring, the annular oleophobic line
Road lower end is connected with oil leakaging port.Such design is beneficial to the oil body for splashing in the joining place of oil scraper ring plate and gear oil-collecting endless tube（Greatly
Part oil body）Collect in oil-collecting groove, and discharged along oil-collecting groove from oil leakaging port；Remaining a small amount of oil body is along oleophobic line
Road prevents it from entering oil-gap to greatest extent to oil leakaging port.
As preferred, end cover is additionally provided with the input shaft, the end cover is connected with box sealing, described
End cover is provided with input shaft via, the input shaft via provided with the spiral labyrinch seal with input shaft fitted seal
Groove.Sealed between such design input shaft and end cover by spiral labyrinch seal groove.Further improve sealing effect
Really.
As preferred, the spiral labyrinch seal groove hand of spiral is with rotation direction on the contrary, the spiral labyrinch seal
The lower end of groove is provided with Oil Guide breach, and the Oil Guide breach is connected with way to cycle oil.Such design make use of spiral labyrinch seal
The hand of spiral of groove mutually inhibits oil body to be spread in input shaft rotation to the outside of input shaft on the contrary with rotation direction, serves
Last oil-leakage-prevention effect.
Advantage and beneficial effect of the present utility model are：By using anti-oil leakage mechanism described herein, using getting rid of
The mutual cooperation of oil ring and oil scraper ring, way to cycle oil is dredged back by oil body, efficiently solves gear box of double-screw extruder defeated
Enter the Seepage of axle, greatly reduce the labor intensity of component failure processing, improve the practicality and reliability of equipment.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the oil retainer structure schematic diagram that the utility model carries oleophobic lines；
Fig. 3 is the oil retainer structure sectional view that the utility model carries oleophobic lines；
Fig. 4 is the disc structural representation that the utility model is provided with oil guide groove.
In figure：1st, disc；2nd, spiral labyrinch seal groove；3rd, input shaft；4th, alignment pin；5th, oil scraper ring；6th, oil leakaging port；7、
Bearing；8th, way to cycle oil；9th, disc plate；10th, oil-collecting endless tube is got rid of；11st, oil scraper ring plate；12nd, oil-collecting endless tube is kept off；13rd, oily point is got rid of
Portion；14th, oil guide groove；15th, oil-collecting groove；16th, oleophobic lines；17th, end cover；18th, Oil Guide breach.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this
Enclose.
As shown in Figures 1 to 4, a kind of gear box of double-screw extruder input shaft anti-oil leakage mechanism, including casing and setting
It is connected in the mounting hole of input shaft 3 on casing, the mounting hole of input shaft 3 by bearing 7 with input shaft 3；The mounting hole
Oil scraper ring 5 and the disc used cooperatively with oil scraper ring 51 are cased with the input shaft 3 in outside；The outer rim of oil scraper ring 5 and casing
It is fixed, leave spacing between inner edge and input shaft 3；The bottom of oil scraper ring 5 be provided with oil leakaging port 6, the bottom half be provided with
The way to cycle oil 8 that oil leakaging port 6 coordinates；The disc 1 includes the disc plate 9 being radially arranged along input shaft 3 and is vertically arranged
Oil-collecting endless tube 10 is got rid of in the inner edge of disc plate 9, and described get rid of was left between the outer wall of oil-collecting endless tube 10 and the inner edge of oil scraper ring 5 between oil
Gap；The oil scraper ring 5 is arranged at intervals with disc 1 on input shaft 3.
The oil scraper ring 5 includes the oil scraper ring plate 11 being radially arranged along input shaft 3 and is vertically installed in outside oil scraper ring plate 11
The gear oil-collecting endless tube 12 of edge, the gear oil-collecting endless tube 12 is integrally formed with oil scraper ring plate 11, the outer rim of gear oil-collecting endless tube 12 and
Casing is fixed, and described the inner of gear oil-collecting endless tube 12 is engaged with bearing 7；The inner edge of oil scraper ring plate 11 is with getting rid of the outer wall of oil-collecting endless tube 10
Between left oil-gap.
The disc plate 9 was arranged at the fuel-displaced side of oil-gap.
Oil-collecting endless tube 10 is got rid of to be provided with provided with alignment pin 4 in the pin hole fixed with input shaft 3, pin hole, it is described to get rid of collection
Oil ring pipe 10 is integrally formed with disc plate 9, and the outer end of disc plate 9 is to get rid of oily tip 13.
The disc plate 9 is the relatively thin dish-shaped plectane in middle part thicker end portion, and the dish-shaped plectane surface offers Oil Guide
Groove 14.
Radial direction of the oil guide groove 14 along dish-shaped plectane is opened up.
The oil guide groove 14 extends along dish-shaped plectane center to outer helix.
The joining place of the oil scraper ring plate 11 and gear oil-collecting endless tube 12 is provided with oil-collecting groove 15, the oil-collecting groove 15 and leakage
Hydraulic fluid port 6 is connected；The surface of oil scraper ring plate 11 is provided with oleophobic lines 16, and in a ring, described annular dredges the oleophobic lines 16
The lower end of oil stripping road 16 is connected with oil leakaging port 6.
End cover 17 is additionally provided with the input shaft 3, the end cover 17 is connected with box sealing, the sealed end
Lid 17 is provided with the via of input shaft 3, the via of input shaft 3 provided with the spiral labyrinch seal groove with the fitted seal of input shaft 3
2。
The hand of spiral of spiral labyrinch seal groove 2 is with rotation direction on the contrary, the lower end of the spiral labyrinch seal groove 2 is set
There is Oil Guide breach 18, the Oil Guide breach 18 is connected with way to cycle oil 8.
Embodiment 1
A kind of anti-oil leakage mechanism of gear box of double-screw extruder input shaft 3, including casing and the input being arranged on casing
It is connected in the mounting hole of axle 3, the mounting hole of input shaft 3 by bearing 7 with input shaft 3；On input shaft 3 on the outside of the mounting hole
It is cased with oil scraper ring 5 and the disc used cooperatively with oil scraper ring 51；The outer rim of oil scraper ring 5 is fixed with casing, inner edge and input
Spacing is left between axle 3；The bottom of oil scraper ring 5 is provided with oil leakaging port 6, and the bottom half is provided with and returning that oil leakaging port 6 coordinates
Oily path 8；The disc 1 includes the disc plate 9 being radially arranged along input shaft 3 and is vertically installed in the inner edge of disc plate 9
Get rid of oil-collecting endless tube 10, described get rid of left oil-gap between the outer wall of oil-collecting endless tube 10 and the inner edge of oil scraper ring 5；The oil scraper ring 5
It is arranged at intervals with disc 1 on input shaft 3.
The oil scraper ring 5 includes the oil scraper ring plate 11 being radially arranged along input shaft 3 and is vertically installed in outside oil scraper ring plate 11
The gear oil-collecting endless tube 12 of edge, the gear oil-collecting endless tube 12 is integrally formed with oil scraper ring plate 11, the outer rim of gear oil-collecting endless tube 12 and
Casing is fixed, and described the inner of gear oil-collecting endless tube 12 is engaged with bearing 7；The inner edge of oil scraper ring plate 11 is with getting rid of the outer wall of oil-collecting endless tube 10
Between left oil-gap.
The disc plate 9 was arranged at the fuel-displaced side of oil-gap.
Get rid of oil-collecting endless tube 10 and be provided with the pin hole fixed with input shaft 3, it is described to get rid of oil-collecting endless tube 10 and disc plate 9 one
Body formed, the outer end of disc plate 9 is to get rid of oily tip 13.
When in use, oil body coordinates outer end to splash in the connection of input shaft 3 and bearing 7, and oil scraper ring 5 is splashed to first
On, specific major part is splashed in the joining place and its neighboring area of oil scraper ring plate 11 and gear oil-collecting endless tube 12, in gear oil collecting ring
Oil body is converged on oil scraper ring plate 11 under the guiding of pipe 12, and the oil body on oil scraper ring plate 11 under gravity, flows downward,
Oil leakaging port 6 finally is converged in, so as to flow back to inner chamber from way to cycle oil 8；Small part oil body enters from oil-gap excessively gets rid of oil-collecting endless tube
10, under the outside seepage trend of oil body, disc plate 9 is stepped into, under the influence of centrifugal force, is got rid of from oily tip 13 is got rid of
Go out, into the oil-blocking action of next oil scraper ring 5, so move in circles, get rid of gear cooperation and prevent most permeability.
Embodiment 2
As the optimization to embodiment 1, oil scraper ring 5 and disc 1 and its labyrinth seal groove are optimized, it is described to get rid of
Oil ring plate 9 is the relatively thin dish-shaped plectane in middle part thicker end portion, and the dish-shaped plectane surface offers oil guide groove 14.
A kind of mode of grooving of oil guide groove 14：Radial direction of the oil guide groove 14 along dish-shaped plectane is opened up.It is such to set
Meter is thrown away on dish-shaped plectane beneficial to oil body along oil guide groove 14 to outward flange, is improved and is thrown away efficiency and dynamics, is easy to gear oil
The collection of the next step of ring 5.
Another mode of grooving of oil guide groove 14：The oil guide groove 14 extends along dish-shaped plectane center to outer helix.
Such design is thrown away on dish-shaped plectane beneficial to oil body along oil guide groove 14 to outward flange, is improved and is thrown away efficiency and dynamics,
It is easy to the collection of the next step of oil scraper ring 5.
The joining place of the oil scraper ring plate 11 and gear oil-collecting endless tube 12 is provided with oil-collecting groove 15, the oil-collecting groove 15 and leakage
Hydraulic fluid port 6 is connected；The surface of oil scraper ring plate 11 is provided with oleophobic lines 16, and in a ring, described annular dredges the oleophobic lines 16
The lower end of oil stripping road 16 is connected with oil leakaging port 6.Such design is beneficial to the linking for splashing in oil scraper ring plate 11 and gear oil-collecting endless tube 12
The oil body at place（Most of oil body）Collect in oil-collecting groove 15, and discharged along oil-collecting groove 15 from oil leakaging port 6；Remaining is a small amount of
Oil body along oleophobic lines 16 to oil leakaging port 6, prevent it from entering oil-gap to greatest extent.
End cover 17 is additionally provided with the input shaft 3, the end cover 17 is connected with box sealing, the sealed end
Lid 17 is provided with the via of input shaft 3, the via of input shaft 3 provided with the spiral labyrinch seal groove with the fitted seal of input shaft 3
2.Sealed between such design input shaft 3 and end cover 17 by spiral labyrinch seal groove 2.Further improve sealing
Effect.
The hand of spiral of spiral labyrinch seal groove 2 is with rotation direction on the contrary, the lower end of the spiral labyrinch seal groove 2 is set
There is Oil Guide breach 18, the Oil Guide breach 18 is connected with way to cycle oil 8.Such design make use of spiral labyrinch seal groove 2
The hand of spiral mutually inhibits oil body to be spread in the rotation of input shaft 3 to the outside of input shaft 3 on the contrary with rotation direction, serves most
Oil-leakage-prevention effect afterwards.
During assembling, the form and position tolerance of gear housing is first checked, checks whether installation sealing structure position has deformation, if circle
Degree will be then modified more than 0.3mm, to ensure that gear-box does not produce interference and friction in the course of the work.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, the front lower of the utility model technical principle is not being departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also should be regarded as with retouching.
Claims (2)
1. a kind of gear box of double-screw extruder input shaft anti-oil leakage mechanism, it is characterised in that：Including casing and being arranged on casing
On input shaft mounting hole, is connected by bearing with input shaft in the input shaft mounting hole；Input on the outside of the mounting hole
Oil scraper ring and the disc used cooperatively with oil scraper ring are cased with axle；The oil scraper ring outer rim is fixed with casing, inner edge and input
Spacing is left between axle；The oil scraper ring bottom is provided with oil leakaging port, and the bottom half is provided with the oil return coordinated with oil leakaging port and led to
Road；The disc include the disc plate that is radially arranged along input shaft and be vertically installed in disc plate inner edge get rid of oil collecting ring
Pipe, described get rid of left oil-gap between oil collecting ring pipe outer wall and oil scraper ring inner edge；The oil scraper ring is with disc in input shaft
It is upper to be arranged at intervals.
2. gear box of double-screw extruder input shaft anti-oil leakage mechanism as claimed in claim 1, it is characterised in that：The gear oil
Ring includes the oil scraper ring plate being radially arranged along input shaft and the gear oil-collecting endless tube for being vertically installed in oil scraper ring plate outer rim, the gear collection
Oil ring pipe is integrally formed with oil scraper ring plate, and the gear oil-collecting endless tube outer rim is fixed with casing, and oil scraper ring plate inner edge is with getting rid of oil collecting ring
Oil-gap was left between pipe outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327801.XU CN206398049U (en) | 2016-12-06 | 2016-12-06 | Gear box of double-screw extruder input shaft anti-oil leakage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327801.XU CN206398049U (en) | 2016-12-06 | 2016-12-06 | Gear box of double-screw extruder input shaft anti-oil leakage mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398049U true CN206398049U (en) | 2017-08-11 |
Family
ID=59509480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621327801.XU Expired - Fee Related CN206398049U (en) | 2016-12-06 | 2016-12-06 | Gear box of double-screw extruder input shaft anti-oil leakage mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206398049U (en) |
-
2016
- 2016-12-06 CN CN201621327801.XU patent/CN206398049U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20201206 |