CN107606064A - Gear-box for single screw extrusion machine - Google Patents
Gear-box for single screw extrusion machine Download PDFInfo
- Publication number
- CN107606064A CN107606064A CN201710841088.3A CN201710841088A CN107606064A CN 107606064 A CN107606064 A CN 107606064A CN 201710841088 A CN201710841088 A CN 201710841088A CN 107606064 A CN107606064 A CN 107606064A
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- Prior art keywords
- gear
- output shaft
- geared sleeve
- hollow output
- speed ratio
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- 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.)
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- 238000001125 extrusion Methods 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 210000002421 cell wall Anatomy 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000018109 developmental process Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Gear Transmission (AREA)
Abstract
The present invention discloses a kind of gear-box for single screw extrusion machine, including casing, input gear axle, two reduction gear shafts, hollow output shaft, pass through and sealing device is equipped with the input gear axle and hollow output shaft of casing, the clutch end of hollow output shaft is paid provided with speed ratio gear, and the other end is thrust bearing；The clutch end of hollow output shaft is furnished with geared sleeve, internal spline and ring gear；The external splines of extrusion screw rod passes through driving internal spline engagement corresponding with hollow output shaft after the endoporus of geared sleeve, and the outer wall of geared sleeve is provided with external toothing and gear；The position of casing corresponding teeth wheel case and speed ratio gear is provided with to roller seat；The present invention is compact-sized, and stability is good, not only increases transmission accuracy and bearing capacity, extends service life, and easy to maintenance.
Description
Technical field
The present invention relates to a kind of uni-drive gear box, especially a kind of gear-box for single screw extrusion machine, belong to and be used for
The special equipment of the single screw extrusion machine of rubber plastic industry.
Background technology
Growth and overall growth in the living standard with population in the world, countries in the world to the demand of rubber and plastics year by year
Increase, it is desirable to obtain safer, more healthy and more comfortable product and environment.Therefore, should in packaging for foodstuff and commodity
With market, in infrastructure and building field, in medical safety and CRUX market, field is administered in environmental protection and safety
Deng the demand of plastic products is being continuously increased.Meanwhile in the mobility field of continuous improvement, automobile, truck and aircraft are to rubber
The demand of tire and rubber is also being skyrocketed through.The growth of demand has pulled the growth of economy, has also driven landification equipment
Manufacturing prosperity, equally also promote the powerful development of high-end equipment manufacture.
Single screw extrusion machine is a kind of relatively more extensive basic equipment of rubber plastic sector application, is to influence product quality
Key equipment, play very important effect.Single screw extrusion machine is by constantly development and improves, and it is cold to have evolved to pin
Feeding and complex extruder stage.Single screw extrusion machine also develops into wide cut extruder, double compound and how compound by unit extrusion
Extruder etc., efficiency is also greatly improved, and extrusion capacity is also significantly improved.External product starts to integrate at present
Change, miniaturization, standardization and high efficiency, new single screw extrusion machine volume is smaller, and Energy Efficiency Ratio is higher, can save 20%, tool
There is very good development prospect.With the growth of domestic market, domestic product is also updated.Sophisticated equipment and
The introduction and popularization of technology, domestic manufacturing overall equipment is improved, production development is promoted, especially because China
Advantage possessed by the fast development of radial tyre production and pin cold feed extruder, makes pin cold feed extruder
Popularization and application there are greater advantages, turn into the regeneration product of hot-feed extruder and common cold feed extruder, be peg type
Cold feed extruder provides wide development and application prospect.
Power-transmitting part of the gear-box as Single screw extrusion machine equipment, plays very important effect, its quality
Good and bad and efficiency height directly determines the performance of complete equipment.Meanwhile the arrangement of its installing space, it is desirable to outside gear-box
Shape very little, integrated level are higher.Existing Single screw extrusion machine equipment is arranged in geared sleeve and speed ratio gear the outside of gear-box,
Due to mounting arrangements structure, geared sleeve and speed ratio gear are all cantilever installations, and manufacture processing and Technology for Heating Processing are all non-
Often difficult, precision is very low, and service efficiency is low, is easily damaged, and causes maintenance cost and labor intensity increase.New gear-box handle
Geared sleeve and speed ratio gear are integrated into inside gear-box, are reduced the difficulty of manufacture processing and Technology for Heating Processing, are improved gear
Precision and transmission efficiency, are hardly damaged, and add the whole service life of equipment.
The content of the invention
It is an object of the invention to：Geared sleeve and speed ratio gear for current rubber and plastic industry single screw extrusion machine are outstanding
Arm is installed and used, situation about being easily damaged, there is provided one kind is easy to process, precision is high, in light weight, small volume, integration degree
High efficient heavily loaded single-screw extruder gearbox.
The object of the present invention is achieved like this：A kind of gear-box for single screw extrusion machine, including it is casing, mutually flat
Capable input gear axle, two-stage intermediate reduction gear gear shaft, hollow output shaft, wherein, casing includes upper box and lower box, passes through
Sealing device is equipped with the input gear axle and hollow output shaft of casing, the clutch end of hollow output shaft compares tooth provided with speed
Wheel is paid, and the other end is thrust bearing, it is characterised in that：
The clutch end of hollow output shaft is furnished with geared sleeve, and provided with the internal spline and drive gear for driving extrusion screw rod respectively
The ring gear of set；
The central bore of described geared sleeve is the positioning hole of extrusion screw rod, and the external splines of extrusion screw rod passes through the endoporus of geared sleeve
Driving internal spline corresponding with hollow output shaft is engaged afterwards, and external toothing and gear are respectively equipped with the outer wall of geared sleeve, wherein, outside
Gear ring driving ring gear engagement corresponding with hollow output shaft, gear engage with the speed ratio gear matched；
The position of casing corresponding teeth wheel case and speed ratio gear be provided with by upper-lower casing form to roller seat, to the upper-lower casing of roller seat
It is bolted on upper and lower casing, the axle of geared sleeve and speed ratio gear is supported in roller seat.
In the present invention：The axle of geared sleeve and speed ratio gear is supported in be referred to roller seat：Matched somebody with somebody by tolerance geared sleeve one end
Conjunction is supported on hollow output shaft endoporus, and the other end without inner ring cylindrical bearing by being supported on the upper-lower casing to roller seat, speed
All it is to be supported on the upper-lower casing to roller seat than gear shaft both ends.
In the present invention：The joint portion of input gear axle and lower box is provided with sealing device, thrust bearing and to roller seat above and below
The joint portion of housing and upper and lower casing is equipped with sealing device.
In the present invention：Sealed on the geared sleeve outer wall at hollow output shaft tolerance fit at least provided with together with
Groove, the sealing device between hollow output shaft inwall and geared sleeve outer wall, hollow output are formed by the sealing ring in seal groove
The withdrawing cell wall formed when processing ring gear in axle is provided with outage, and the terminal of outage is located in casing.
In the present invention：The output end of speed ratio gear is blind hole in driving.
In the present invention：The inner wall between seal groove of ring gear is provided with 3-6 and is uniformly distributed in hollow output shaft
Outage.
In the present invention：External toothing in geared sleeve is identical with tooth-formation of gear parameter, gear and external toothing joint portion it
Between be provided with geared sleeve dismounting annular groove.
The advantage of the invention is that：Due to being located at geared sleeve side in the clutch end of hollow output shaft, in geared sleeve
Heart through hole stable to extrusion screw rod can support, and make single screw extrusion machine work more steady.Due to hollow output shaft pass through it is interior
Spline and ring gear output torque, are delivered separately to extruder screw and geared sleeve, realize power dividing.Due to corresponding in casing
The position of geared sleeve and speed ratio gear be provided with by upper-lower casing form to roller seat, bolt or weldering are passed through to the upper-lower casing of roller seat
The mode of connecing is fixed on upper and lower casing, and the axle of geared sleeve and speed ratio gear is supported in roller seat, change traditional geared sleeve and
The cantilevered mounting means of speed ratio gear, the stability of gear-box in itself is improved, and improving single screw rod output stabilization
Under the premise of, moreover it is possible to improve the stability of the other roll exported by speed ratio gear.Due to matching somebody with somebody positioned at hollow output shaft tolerance
At least provided with a road sealing groove on geared sleeve outer wall at conjunction, by the sealing ring in seal groove form hollow output shaft inwall with
Sealing device between geared sleeve outer wall, the withdrawing cell wall formed when processing ring gear in hollow output shaft are provided with outage,
The terminal of outage is located in casing, can effectively prevent the unnecessary lubrication to being lubricated in roller seat geared sleeve and speed ratio gear
Oil internal spline is travelled back across between geared sleeve and hollow output shaft, finally by single screw rod seepage the drawbacks of.Due in geared sleeve
External toothing is identical with tooth-formation of gear parameter, easy to process, in addition, being torn open between gear and external toothing joint portion provided with geared sleeve
Unload annular groove, easily can be separated geared sleeve with hollow output shaft by chuck during maintenance.Because the output end of speed ratio gear is
Blind hole in driving（The output end of traditional speed ratio gear is driving through hole）, the profit between geared sleeve and speed ratio gear can be prevented
Lubricating oil is leaked by the drive hole of speed ratio gear output end.The present invention it is compact-sized, stability is good, not only increase transmission accuracy and
Bearing capacity, service life is extended, and it is easy to maintenance.
Brief description of the drawings
Fig. 1 is the outline structural diagram of the embodiment of the present invention.
Fig. 2 is A-A in Fig. 1 to cross section structure diagram.
Fig. 3 is the B-B direction cross section structure diagram in Fig. 1.
Fig. 4 is the close-up schematic view of " I " in Fig. 2.
In figure：1st, upper box；2nd, end cap；3rd, bolt；4th, upper shell；5th, lower house；6th, lower box；7th, input gear axle；
8th, thrust bearing；9th, internal spline；10th, intermediate reduction gear gear shaft；11st, ring gear；12nd, endoporus；13rd, gear；14th, hollow output shaft；
15th, sealing device；16th, speed ratio gear；17th, geared sleeve；18th, seal groove, 19, outage, 20, dismantle annular groove, 21, external toothing,
22nd, blind hole in driving.
Embodiment
The nonrestrictive profile and internal structure for disclosing a kind of specific embodiment of the present invention of accompanying drawing, is tied below
Closing accompanying drawing, the invention will be further described.
From Fig. 1~3, including it is casing, the input gear axle 7 being parallel to each other, two-stage intermediate reduction gear gear shaft 10, hollow
Output shaft 14, wherein, casing includes upper box 1 and lower box 6, passes through in the input gear axle 7 and hollow output shaft 14 of casing
Sealing device 15 is equipped with, the clutch end of hollow output shaft 14 is provided with（The He of geared sleeve 17）Speed ratio gear 16, the other end are
Thrust bearing 8, every each axle for not stretching out casing, end cap 2 is equipped with corresponding casing.
In the present embodiment：The clutch end of hollow output shaft 14 is furnished with geared sleeve 17, the He of casing corresponding teeth wheel case 17
The position of speed ratio gear 16 be provided with by upper shell 4 and lower house 5 form to roller seat, the lower house 6 of upper shell 4 of roller seat is passed through
Bolt 3 or welding manner are fixed on upper box 1, on lower box 6, and the axle of geared sleeve 17 and speed ratio gear 16 is supported in roller seat.
From fig. 4, it can be seen that the internal spline 9 for driving extrusion screw rod respectively and the internal tooth of sliding tooth wheel case are provided with output hollow shaft
Circle 11；The central bore 12 of described geared sleeve 17 is the positioning hole of extrusion screw rod, and the external splines of extrusion screw rod passes through geared sleeve
Driving internal spline 9 corresponding with hollow output shaft 14 is engaged after 17 endoporus 12, and external tooth is respectively equipped with the outer wall of geared sleeve 17
Circle 21 and gear 13, wherein, external toothing 21 is corresponding with hollow output shaft 14 drives ring gear 11 to engage, and gear 13 is with matching
Speed ratio gear 16 engages.At least provided with a road sealing groove 18 on the outer wall of geared sleeve 17 coordinated with hollow output shaft 14, lead to
The sealing device crossed between the sealing ring composition inwall of hollow output shaft 14 and the outer wall of geared sleeve 17 in seal groove 18, hollow output
The withdrawing cell wall formed when processing ring gear 11 in axle 14 is provided with outage 19, and the terminal of outage 19 is located in casing.Tooth
Wheel 13 and the geared sleeve 17 of the joint portion of external toothing 21 are provided with geared sleeve dismounting annular groove 20.
In the present embodiment, the one end of geared sleeve 17 is supported on the endoporus of hollow output shaft 14 by tolerance fit, the other end
By being supported on without inner ring cylindrical bearing on upper shell 4 and lower house 5 to roller seat, the both ends of the axle of speed ratio gear 16 pass through bearing
It is supported on upper shell 4 and lower house 5 to roller seat.
During specific implementation：The joint portion of input gear axle 7 and lower box 6 is provided with sealing device 15, thrust bearing 8 and to roller seat
The joint portion of upper-lower casing and upper and lower casing be equipped with sealing device 15.
During specific implementation：The withdrawing cell wall formed when processing ring gear 11 in hollow output shaft 14 is provided with 3-6 uniformly
The outage 19 of distribution.
When it is implemented, the external toothing 21 in geared sleeve 17 is identical with the tooth profile parameter of gear 13, gear 13 and external toothing
Geared sleeve dismounting annular groove is provided between 21 joint portions, is so processed more convenient.The output end of speed ratio gear 16 is blind in driving
Hole 22.
In use, gear-box by foundation bolt integral installation on pedestal, input gear axle 7 and motor are passed through into connection
Axle device connects, roller seat will be connected by bolts with spiro rod machine tube together with, wherein：The internal spline 9 of hollow output shaft 14 and list
Screw rod is docked, and speed ratio gear 16 docks with other roll, and gear-box base anchor is arranged on pedestal.
In work, power is passed to input gear axle 7 by motor by shaft coupling, is subtracted by two-stage intermediate gear shaft 10
Drive hollow output shaft 14 to rotate after speed, due to hollow output shaft 14 by internal spline 9 and ring gear 11 simultaneously with single screw rod and
Geared sleeve 17 is meshed so that power is delivered separately to single screw rod and geared sleeve 17, and geared sleeve 17 drives speed to compare tooth by engaging
Wheel 16 rotates, and speed ratio gear 16 drives other roll rotation by blind hole in driving 22.
Claims (7)
1. subtract among a kind of gear-box for single screw extrusion machine, including casing, the input gear axle being parallel to each other, two-stage
Fast gear shaft, hollow output shaft, wherein, casing includes upper box and lower box, passes through the input gear axle of casing and hollow defeated
Sealing device is equipped with shaft, the clutch end of hollow output shaft is paid provided with speed ratio gear, and the other end is thrust bearing, and it is special
Sign is：
The clutch end of hollow output shaft is furnished with geared sleeve, and provided with the internal spline and drive gear for driving extrusion screw rod respectively
The ring gear of set；
The central bore of described geared sleeve is the positioning hole of extrusion screw rod, and the external splines of extrusion screw rod passes through the endoporus of geared sleeve
Driving internal spline corresponding with hollow output shaft is engaged afterwards, and external toothing and gear are respectively equipped with the outer wall of geared sleeve, wherein, outside
Gear ring driving ring gear engagement corresponding with hollow output shaft, gear engage with the speed ratio gear matched；
The position of casing corresponding teeth wheel case and speed ratio gear be provided with by upper-lower casing form to roller seat, to the upper-lower casing of roller seat
It is bolted on upper and lower casing, the axle of geared sleeve and speed ratio gear is supported in roller seat.
2. the gear-box according to claim 1 for single screw extrusion machine, it is characterised in that：Geared sleeve and speed ratio gear
Axle be supported in roller seat referred to：Geared sleeve one end is supported on hollow output shaft endoporus by tolerance fit, and the other end passes through
It is supported on without inner ring cylindrical bearing on the upper-lower casing to roller seat, speed ratio gear axle both ends are all to be supported on the upper lower casing to roller seat
On body.
3. the gear-box according to claim 1 for single screw extrusion machine, it is characterised in that：Input gear axle and nowel
The joint portion of body is provided with sealing device, and thrust bearing and the joint portion to roller seat upper-lower casing and upper and lower casing are equipped with sealing dress
Put.
4. the gear-box for single screw extrusion machine according to one of claim 1-3, it is characterised in that：Positioned at it is hollow
At least provided with a road sealing groove on geared sleeve outer wall at output shaft tolerance fit, it is made up of the sealing ring in seal groove hollow
Sealing device between output shaft inwall and geared sleeve outer wall, on the withdrawing cell wall formed when processing ring gear in hollow output shaft
Provided with outage, the terminal of outage is located in casing.
5. the gear-box according to claim 4 for single screw extrusion machine, it is characterised in that：The output end of speed ratio gear
For blind hole in driving.
6. the gear-box according to claim 4 for single screw extrusion machine, it is characterised in that：Internal tooth in hollow output shaft
The inner wall between seal groove of circle is provided with 3-6 equally distributed outage.
7. the gear-box according to claim 6 for single screw extrusion machine, it is characterised in that：External toothing in geared sleeve
It is identical with tooth-formation of gear parameter, geared sleeve dismounting annular groove is provided between geared sleeve middle gear and external toothing joint portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841088.3A CN107606064A (en) | 2017-09-18 | 2017-09-18 | Gear-box for single screw extrusion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841088.3A CN107606064A (en) | 2017-09-18 | 2017-09-18 | Gear-box for single screw extrusion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107606064A true CN107606064A (en) | 2018-01-19 |
Family
ID=61060623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710841088.3A Pending CN107606064A (en) | 2017-09-18 | 2017-09-18 | Gear-box for single screw extrusion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107606064A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612811A (en) * | 2018-07-04 | 2018-10-02 | 浙江银轮机械股份有限公司 | A kind of two-stage gear reduction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5099704A (en) * | 1991-04-19 | 1992-03-31 | New Venture Gear, Inc. | Transfer case power take-off apparatus |
| CN200958584Y (en) * | 2006-09-25 | 2007-10-10 | 南京高精齿轮集团有限公司 | Output mechanism in main speed reducer for single-screw extruder |
| CN201129406Y (en) * | 2007-12-17 | 2008-10-08 | 南京高速齿轮制造有限公司 | Step-up gear box for wind power generator |
| CN202251847U (en) * | 2011-09-08 | 2012-05-30 | 江阴克威齿轮箱制造有限公司 | Output mechanism of speed reducer |
| CN202241890U (en) * | 2011-09-02 | 2012-05-30 | 江阴齿轮箱制造有限公司 | Decelerator of rubber single-screw extruder |
| CN105673818A (en) * | 2016-04-20 | 2016-06-15 | 南京宁嘉机电有限公司 | Main gearbox assembly of single-screw extruder and application of main gearbox assembly |
| CN207261579U (en) * | 2017-09-18 | 2018-04-20 | 南京宁嘉机电有限公司 | Gear-box for single screw extrusion machine |
-
2017
- 2017-09-18 CN CN201710841088.3A patent/CN107606064A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5099704A (en) * | 1991-04-19 | 1992-03-31 | New Venture Gear, Inc. | Transfer case power take-off apparatus |
| CN200958584Y (en) * | 2006-09-25 | 2007-10-10 | 南京高精齿轮集团有限公司 | Output mechanism in main speed reducer for single-screw extruder |
| CN201129406Y (en) * | 2007-12-17 | 2008-10-08 | 南京高速齿轮制造有限公司 | Step-up gear box for wind power generator |
| CN202241890U (en) * | 2011-09-02 | 2012-05-30 | 江阴齿轮箱制造有限公司 | Decelerator of rubber single-screw extruder |
| CN202251847U (en) * | 2011-09-08 | 2012-05-30 | 江阴克威齿轮箱制造有限公司 | Output mechanism of speed reducer |
| CN105673818A (en) * | 2016-04-20 | 2016-06-15 | 南京宁嘉机电有限公司 | Main gearbox assembly of single-screw extruder and application of main gearbox assembly |
| CN207261579U (en) * | 2017-09-18 | 2018-04-20 | 南京宁嘉机电有限公司 | Gear-box for single screw extrusion machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612811A (en) * | 2018-07-04 | 2018-10-02 | 浙江银轮机械股份有限公司 | A kind of two-stage gear reduction |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190926 Address after: Jiangsu province Nanjing City Xijing road 211153 Jiangning economic and Technological Development Zone Applicant after: Nanjing Ningjia Machinery & Electronics Co., Ltd. Applicant after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Address before: Jiangsu province Nanjing City Xijing road 211153 Jiangning economic and Technological Development Zone Applicant before: Nanjing Ningjia Machinery & Electronics Co., Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200514 Address after: 210012 Yuhuatai No. 3, Nanjing, Jiangsu Province Applicant after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: Jiangsu province Nanjing City Xijing road 211153 Jiangning economic and Technological Development Zone Applicant before: NANJING NINGJIA ELECTROMECHANICAL Co.,Ltd. Applicant before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. |
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