CN207261579U - Gear-box for single screw extrusion machine - Google Patents
Gear-box for single screw extrusion machine Download PDFInfo
- Publication number
- CN207261579U CN207261579U CN201721194053.7U CN201721194053U CN207261579U CN 207261579 U CN207261579 U CN 207261579U CN 201721194053 U CN201721194053 U CN 201721194053U CN 207261579 U CN207261579 U CN 207261579U
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- gear
- output shaft
- geared sleeve
- hollow output
- speed ratio
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Abstract
The utility model discloses a kind of gear-box for single screw extrusion machine, including babinet, 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 babinet, the power output end of hollow output shaft is equipped with speed ratio gear pair, and the other end is thrust bearing；The power output 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 equipped with external toothing and gear；The position of babinet corresponding teeth wheel case and speed ratio gear is equipped with to roller seat；The utility model is compact-sized, and stability is good, not only increases transmission accuracy and bearing capacity, extends service life, and easy to maintain.
Description
Technical field
A kind of uni-drive gear box, especially a kind of gear-box for single screw extrusion machine are the utility model is related to, is belonged to
Special equipment for the single screw extrusion machine of rubber plastic industry.
Background technology
Growth and overall improvement of living standard with population in the world, and the propulsion of Chinese the Belt and Road strategy, generation
Various countries of boundary increase the demand of rubber and plastics year by year, and it is desirable to obtain safer, more healthy and more comfortable product and ring
Border.Therefore, in packaging for foodstuff and daily necessities application market, in infrastructure and building field, in medical safety and sports and leisure
Market, in environmental protection and safe improvement field etc., the demand of plastic products is being continuously increased.Meanwhile in the stream of continuous improvement
Dynamic property field, automobile, truck and aircraft are also being skyrocketed through the demand of rubber tyre and rubber.The growth of demand pulls
Economic growth, has also driven the manufacturing prosperity of landification equipment, equally also promotes the powerful hair of high-end equipment manufacture
Exhibition.
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, plays 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 efficient, new single screw extrusion machine volume smaller, Energy Efficiency Ratio higher, can energy saving 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, improve domestic manufacturing overall equipment, production development are 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, become 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 installation space, it is desirable to outside gear-box
Shape very little, integrated level 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 heat treatment process 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 heat treatment process, are improved gear
Precision and transmission efficiency, are hardly damaged, and add the whole service life of equipment.
The content of the invention
The purpose of this utility model is that：For the geared sleeve and speed ratio gear of current rubber and plastic industry single screw extrusion machine
Installed and used for cantilever, situation about being easily damaged, there is provided one kind is easy to process, precision is high, light-weight, small, integrated
The high efficient heavily loaded single-screw extruder gearbox of degree.
What the purpose of this utility model was realized in：A kind of gear-box for single screw extrusion machine, including babinet, phase
Mutually parallel input gear axle, two-stage intermediate reduction gear gear shaft, hollow output shaft, wherein, babinet includes upper box and lower box,
Pass through and sealing device is equipped with the input gear axle and hollow output shaft of babinet, the power output end of hollow output shaft is equipped with speed
Than gear pair, the other end is thrust bearing, it is characterised in that：
The power output end of hollow output shaft is furnished with geared sleeve, and equipped with internal spline and the driving for driving extrusion screw rod respectively
The ring gear of geared sleeve；
The central bore of the geared sleeve is the location hole of extrusion screw rod, and the external splines of extrusion screw rod passes through geared sleeve
Driving internal spline corresponding with hollow output shaft engages after endoporus, and external toothing and gear are respectively equipped with the outer wall of geared sleeve, its
In, external toothing driving ring gear engagement corresponding with hollow output shaft, gear is engaged with matched speed ratio gear；
The position of babinet corresponding teeth wheel case and speed ratio gear be equipped with by upper-lower casing form to roller seat, to roller seat up and down
Housing is bolted on upper and lower babinet, and the axis of geared sleeve and speed ratio gear is supported in roller seat.
In the utility model：The axis of geared sleeve and speed ratio gear, which is supported in, refers to roller seat：Geared sleeve one end passes through public affairs
Difference, which coordinates, to be supported on hollow output shaft endoporus, and the other end is supported on the upper-lower casing to roller seat by no inner ring cylindrical bearing
On, speed ratio gear axis both ends are supported on the upper-lower casing to roller seat.
In the utility model：The engaging portion of input gear axle and lower box is equipped with sealing device, thrust bearing and to roller seat
The engaging portion of upper-lower casing and upper and lower babinet is equipped with sealing device.
In the utility model：It is close at least provided with together with the geared sleeve outer wall at hollow output shaft tolerance fit
Sealing groove, the sealing device between hollow output shaft inner wall and geared sleeve outer wall is formed by the sealing ring in seal groove, hollow defeated
The withdrawing cell wall formed when processing ring gear in shaft is equipped with outage, and the terminal of outage is located in babinet.
In the utility model：The output terminal of speed ratio gear is blind hole in driving.
In the utility model：The inner wall between seal groove of ring gear is equipped with 3-6 uniformly in hollow output shaft
The outage of distribution.
In the utility model：External toothing in geared sleeve is identical with tooth-formation of gear parameter, and gear is combined with external toothing
Geared sleeve dismounting annular groove is equipped between portion.
The utility model has the advantage of：Due to being located at geared sleeve side, geared sleeve in the power output end of hollow output shaft
Central through hole can to extrusion screw rod stablize support, make single screw extrusion machine work it is more steady.Since hollow output shaft is led to
Internal spline and ring gear output torque are crossed, is delivered separately to extruder screw and geared sleeve, realizes power dividing.Due in babinet
The position of corresponding teeth wheel case and speed ratio gear be equipped with by upper-lower casing form to roller seat, bolt is passed through to the upper-lower casing of roller seat
Or welding manner is fixed on upper and lower babinet, the axis of geared sleeve and speed ratio gear is supported in roller seat, changes traditional gear
The cantilevered mounting means of set and speed ratio gear, improves the stability of gear-box in itself, and steady improving single screw rod output
On the premise of fixed, moreover it is possible to improve the stability of the other roll exported by speed ratio gear.Due to positioned at public with hollow output shaft
At least provided with a road sealing groove on geared sleeve outer wall at poor cooperation, it is made up of the sealing ring in seal groove in hollow output shaft
Sealing device between wall and geared sleeve outer wall, the withdrawing cell wall formed when processing ring gear in hollow output shaft are equipped with oil extraction
Hole, the terminal of outage are located in babinet, and it is unnecessary to being lubricated in roller seat geared sleeve and speed ratio gear effectively to prevent
Lubricating oil travels back across internal spline between geared sleeve and hollow output shaft, the drawbacks of finally leakage by single screw rod.Due to geared sleeve
In external toothing it is identical with tooth-formation of gear parameter, it is easy to process, in addition, being equipped with gear between gear and external toothing engaging portion
Set dismounting annular groove, when maintenance, easily can be separated geared sleeve with hollow output shaft by chuck.Due to the output of speed ratio gear
Hold as blind hole in driving（The output terminal of traditional speed ratio gear is driving through hole）, can prevent between geared sleeve and speed ratio gear
Lubricating oil by speed ratio gear output terminal drive hole leak.The utility model is compact-sized, and stability is good, not only increases biography
Dynamic precision and bearing capacity, extend service life, and easy to maintain.
Brief description of the drawings
Fig. 1 is the outline structural diagram of the utility model embodiment.
Fig. 2 is A-A in Fig. 1 to schematic cross-sectional view.
Fig. 3 is the B-B direction schematic cross-sectional view 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 housing shell；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 shape and internal structure for disclosing a kind of specific embodiment that the utility model is related to of attached drawing, under
With reference to attached drawing, the utility model will be further described in face.
By Fig. 1~3 as it can be seen that including the babinet, input gear axle being parallel to each other 7, two-stage intermediate reduction gear gear shaft 10, hollow
Output shaft 14, wherein, babinet includes upper box 1 and lower box 6, passes through in the input gear axle 7 and hollow output shaft 14 of babinet
Sealing device 15 is equipped with, the power output end of hollow output shaft 14 is equipped with（17 He of geared sleeve）Speed ratio gear 16, the other end are
Thrust bearing 8, every each axis for not stretching out babinet, is equipped with end cap 2 on corresponding babinet.
In the present embodiment：The power output end of hollow output shaft 14 is furnished with geared sleeve 17,17 He of babinet corresponding teeth wheel case
The position of speed ratio gear 16 be equipped with by upper shell 4 and lower housing shell 5 form to roller seat, 4 lower housing shell 6 of upper shell of roller seat is passed through
Bolt 3 or welding manner are fixed on upper box 1, on lower box 6, and the axis 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 equipped with output hollow shaft
Circle 11；The central bore 12 of the geared sleeve 17 is the location 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 engages 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 to drive ring gear 11 to engage, gear 13 with it is matched
Speed ratio gear 16 engages.At least provided with a road sealing groove 18 on 17 outer wall of geared sleeve coordinated with hollow output shaft 14, lead to
Cross the sealing device between sealing ring composition 17 outer wall of 14 inner wall of hollow output shaft and geared sleeve in seal groove 18, hollow output
The withdrawing cell wall formed when processing ring gear 11 in axis 14 is equipped with outage 19, and the terminal of outage 19 is located in babinet.Tooth
Wheel 13 and the geared sleeve 17 of 21 engaging portion of external toothing are equipped with geared sleeve dismounting annular groove 20.
In the present embodiment, 17 one end of geared sleeve is supported on 14 endoporus of hollow output shaft by tolerance fit, the other end
It is supported on by no inner ring cylindrical bearing on upper shell 4 and lower housing shell 5 to roller seat, the both ends of 16 axis of speed ratio gear pass through bearing
It is supported on upper shell 4 and lower housing shell 5 to roller seat.
During specific implementation：The engaging portion of input gear axle 7 and lower box 6 is equipped with sealing device 15, thrust bearing 8 and to roller seat
The engaging portion of upper-lower casing and upper and lower babinet 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 equipped 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 equipped between 21 engaging portions, is so processed more convenient.The output terminal 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
Axis 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 docks, and speed ratio gear 16 is docked with other roll, and gear-box base anchor is installed 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 at the same time 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. a kind of gear-box for single screw extrusion machine, including babinet, the input gear axle being parallel to each other, two-stage intermediate reduction gear
Gear shaft, hollow output shaft, wherein, babinet includes upper box and lower box, passes through the input gear axle of babinet and hollow output
Sealing device is equipped with axis, the power output end of hollow output shaft is equipped with speed ratio gear pair, and the other end is thrust bearing, its feature
It is：
The power output end of hollow output shaft is furnished with geared sleeve, and equipped with the internal spline and drive gear for driving extrusion screw rod respectively
The ring gear of set；
The central bore of the geared sleeve is the location 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 engages 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 are engaged with matched speed ratio gear；
The position of babinet corresponding teeth wheel case and speed ratio gear be equipped with by upper-lower casing form to roller seat, to the upper-lower casing of roller seat
It is bolted on upper and lower babinet, the axis 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
Axis 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
No inner ring cylindrical bearing is supported on the upper-lower casing to roller seat, and speed ratio gear axis both ends are all the upper lower casings being supported on 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 engaging portion of body is equipped with sealing device, and thrust bearing and the engaging portion to roller seat upper-lower casing and upper and lower babinet 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 inner wall and geared sleeve outer wall, on the withdrawing cell wall formed when processing ring gear in hollow output shaft
Equipped with outage, the terminal of outage is located in babinet.
5. the gear-box according to claim 4 for single screw extrusion machine, it is characterised in that：The output terminal 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 equipped 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 equipped between geared sleeve middle gear and external toothing engaging portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721194053.7U CN207261579U (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 |
|---|---|---|---|
| CN201721194053.7U CN207261579U (en) | 2017-09-18 | 2017-09-18 | Gear-box for single screw extrusion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261579U true CN207261579U (en) | 2018-04-20 |
Family
ID=61921842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721194053.7U Active CN207261579U (en) | 2017-09-18 | 2017-09-18 | Gear-box for single screw extrusion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606064A (en) * | 2017-09-18 | 2018-01-19 | 南京宁嘉机电有限公司 | Gear-box for single screw extrusion machine |
-
2017
- 2017-09-18 CN CN201721194053.7U patent/CN207261579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606064A (en) * | 2017-09-18 | 2018-01-19 | 南京宁嘉机电有限公司 | Gear-box for single screw extrusion machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191014 Address after: Jiangsu province Nanjing City Xijing road 211151 Jiangning economic and Technological Development Zone Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee after: Nanjing Ningjia Machinery & Electronics Co., Ltd. Address before: Jiangsu province Nanjing City Xijing road 211153 Jiangning economic and Technological Development Zone Patentee before: Nanjing Ningjia Machinery & Electronics Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200518 Address after: No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: Jiangsu province Nanjing City Xijing road 211151 Jiangning economic and Technological Development Zone Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee before: NANJING NINGJIA ELECTROMECHANICAL Co.,Ltd. |