CN203384300U - Conical double-screw extruder gearbox - Google Patents
Conical double-screw extruder gearbox Download PDFInfo
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- CN203384300U CN203384300U CN201320378882.6U CN201320378882U CN203384300U CN 203384300 U CN203384300 U CN 203384300U CN 201320378882 U CN201320378882 U CN 201320378882U CN 203384300 U CN203384300 U CN 203384300U
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- distributor case
- shaft
- input shaft
- gear
- transmission
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Abstract
The utility model relates to a conical double-screw extruder gearbox which comprises a speed reduction box and a distribution box. The speed reduction box comprises a speed reduction box body, a speed reduction box input shaft, a speed reduction box output shaft and a speed reduction box transmission part, the distribution box comprises a distribution box body, a distribution box input part and a distribution box transmission part are arranged in the distribution box body and meshed through a bevel gear, and the speed reduction box and the distribution box are meshed through an inner spline of the speed reduction box output shaft and an outer spline at the tail end of a distribution box input shaft and form a combined integral body. The speed reduction box and the distribution box are mounted integrally, so that structure is enabled to be more compact; the distribution box input shaft and a distribution box transmission shaft are made of 42CrMo; the bevel gear is made of high-strength alloy steel and is 2-5 degrees in taper angle; a design mode of a nodular cast iron box body and a high-strength thrust aligning roller bearing is adopted, so that the conical double-screw extruder gearbox is reliable in performance and can bear big axial thrust; a cooling device is provided, and safety in running is realized.
Description
Technical field
The utility model relates to the gear-box technical field of double screw extruder, especially relates to a kind of conical double screw extruder gear-box.
Background technique
Double-screw extruder reduction gear box is mainly realized slowing down and two kinds of functions of power division, speed reducer and distributor case, consists of, and it not only is reduced to motor speed the required rotating speed of extruder screw, and the power averaging of input shaft is assigned on two output shafts.
The structure of at present domestic conical double screw extruder distributor case adopts the housing structure of copying external import, difference due to aspects such as domestic and international production technology and materials, cause the conical double screw extruder distributor case of producing on domestic market to have this problems, for example: unreasonable structure, inconvenient operation, the problems such as low bearing capacity.Moreover, due to speed reducer and distributor case employing split-type structural, structure is disperseed, and needs assembling in addition and debugs troublesome poeration.
Therefore, the appearance of a kind of compact structure, conical double screw extruder gear-box lightweight, convenient to operation is necessary.
The model utility content
The utility model provides a kind of conical double screw extruder gear-box, unreasonable with split-type structural in the solution prior art, inconvenient operation, the problems such as distributor case low bearing capacity.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of conical double screw extruder gear-box, comprise speed reducer and distributor case, wherein, described speed reducer comprises Gearbox, reduction box input shaft, reduction gearbox output shaft and speed reducer transmission part, and described reduction box input shaft, reduction gearbox output shaft, speed reducer transmission part all are arranged on described Gearbox by bearing;
Described distributor case comprises the distributor case casing, is provided with distributor case input block and distributor case transmission part in described distributor case casing, and described distributor case input block and distributor case transmission part are meshed by bevel gear;
Described distributor case input block comprises the distributor case input shaft, described distributor case input shaft is fixed in described distributor case casing by bearing, front end at described distributor case input shaft is provided with the input shaft front cover, described input shaft front cover and described distributor case casing are fastenedly connected, and at the middle part of described distributor case input shaft, are provided with the input shaft bevel gear;
Described distributor case transmission part comprises the distributor case transmission shaft, described distributor case transmission shaft is fixed in described distributor case casing by bearing, be respectively equipped with transmission shaft front cover and transmission shaft rear end cover at the two ends of described distributor case transmission shaft, described transmission shaft front cover and transmission shaft rear end cover are fastenedly connected with described distributor case casing respectively, at the middle part of described distributor case transmission shaft, are provided with the transmission shaft bevel gear;
The external splines of internal spline by reduction gearbox output shaft of described speed reducer and distributor case and distributor case input shaft end is meshed and to form combination conjuncted.
As preferred technological scheme, described speed reducer transmission part is comprised of intermeshing II axle and III axle, the input gear of described reduction box input shaft is meshed with the II shaft transmission gear on being fixed on the II axle, and the output gear of described reduction gearbox output shaft is meshed with the III shaftgear on being fixed on the III axle.
As preferred technological scheme, described speed reducer is provided with cooling system.
As preferred technological scheme, the two ends of described input shaft bevel gear are respectively equipped with adjusts circle and positioning ring.
As preferred technological scheme, described distributor case transmission the tip of the axis is set on the self-aligning thrust roller bearing of transmission shaft rear end cover.
As preferred technological scheme, described distributor case input shaft and distributor case transmission shaft adopt material 42CrMo, and precision is high, tensile strength is high, not fragile.
As preferred technological scheme, described bevel gear adopts high strength alloy steel; Its cone angle is 2-5 °.
Beneficial effect
(1) the conjuncted installation of speed reducer of the present utility model and distributor case, make more compact structure, sealing strong, and power transmission is mild, and reliability is stronger, and miniaturization;
(2) distributor case input shaft and distributor case transmission shaft adopt material 42CrMo, and precision is high, tensile strength is high, not fragile;
(3) bevel gear adopts high strength alloy steel, carburizing after the chain digital control gear hobbing machine cutting, Quenching Treatment, and precision is high, hardness is high;
(4) adopt the design of spheroidal graphite cast iron casing and high strength self-aligning thrust roller bearing, reliable performance, can bear large axially thrust;
(5) cooling unit is equipped with, security of operation.
The accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present invention or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model: a kind of structural representation of conical double screw extruder gear-box;
Fig. 2 is the utility model: a kind of structural representation of distributor case of conical double screw extruder gear-box;
Fig. 3 is the utility model: a kind of structural representation of speed reducer of conical double screw extruder gear-box;
Wherein: the 1-speed reducer, the 2-distributor case, the 3-cooling system, the 4-self-aligning thrust roller bearing, the 11-Gearbox, the 12-reduction box input shaft, the 13-reduction gearbox output shaft, 14-speed reducer transmission part, the 15-II axle, the 16-III axle, the 131-output gear, the 151-II shaft transmission gear, the 161-III shaftgear, 21-distributor case casing, 23-distributor case input block, 24-distributor case transmission part, 231-distributor case input shaft, 232-input shaft front cover, 234-input shaft bevel gear, 241-distributor case transmission shaft, 242-transmission shaft front cover, 243-transmission shaft rear end cover, 244-transmission shaft bevel gear, the 31-cooler, 32-oil pump connecting sleeve, the 33-oil pump.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Shown in Fig. 1-3, a kind of vertical conjuncted conical double screw extruder gear-box, comprise speed reducer 1 and distributor case 2, wherein, described speed reducer 1 comprises Gearbox 11, reduction box input shaft 12, reduction gearbox output shaft 13 and speed reducer transmission part 14, and described reduction box input shaft 12, reduction gearbox output shaft 13, speed reducer transmission part 14 all are arranged on described Gearbox 11 by bearing;
Described distributor case 2 comprises distributor case casing 21, is provided with distributor case input block 23 and distributor case transmission part 24 in described distributor case casing 21, and distributor case input block 23 and distributor case transmission part 24 are meshed by bevel gear 234,244; Distributor case input shaft 231 adopts material 42CrMo with distributor case transmission shaft 241, and precision is high, tensile strength is high, not fragile; Described bevel gear 234,244 adopts high strength alloy steel, carburizing after the chain digital control gear hobbing machine cutting, Quenching Treatment, and precision is high, hardness is high, and its cone angle is 2-5 °.
Described distributor case input block 23 comprises distributor case input shaft 231, described distributor case input shaft 231 is fixed in described distributor case casing 21 by bearing, front end at described distributor case input shaft 231 is provided with input shaft front cover 232, described input shaft front cover 232 is fastenedly connected with described distributor case casing 21, at the middle part of described distributor case input shaft 231, is provided with input shaft bevel gear 234;
Described distributor case transmission part 24 comprises distributor case transmission shaft 241, described distributor case transmission shaft 241 is fixed in described distributor case casing 21 by bearing, be respectively equipped with transmission shaft front cover 242 and transmission shaft rear end cover 243 at the two ends of described distributor case transmission shaft 241, described transmission shaft front cover 242 and transmission shaft rear end cover 243 are fastenedly connected with described distributor case casing 21 respectively, at the middle part of described distributor case transmission shaft 241, are provided with transmission shaft bevel gear 244;
The external splines of internal spline by reduction gearbox output shaft 13 of described speed reducer 1 and distributor case 2 and distributor case input shaft 231 ends is meshed and to form combination conjuncted.
Shown in Fig. 2, described speed reducer transmission part 14 is comprised of the gear on intermeshing II axle 15 and the III shaftgear 161 be fixed on III axle 16, input gear on described reduction box input shaft 12 is meshed with the II shaft transmission gear 151 on being fixed on II axle 15, the output gear 131 of described reduction gearbox output shaft 13 is meshed with the gear on III axle 16, for the stability that guarantees gear and the location of guaranteeing gear, be respectively equipped with positioning ring at the two ends of output gear 131, II shaft transmission gear 151, III shaftgear 161 and adjust circle.
Described speed reducer 1 is provided with cooling system 3, this system comprises cooler 31, when reduction box input shaft 12 rotates, oil feed pump connecting sleeve 32 provides power, make oil pump connecting sleeve 32 drive oil pump 33, and fluid is squeezed into to cooler 31 and carry out cooling, realized the cooling and lubricating of speed reducer 1 is increased the service life, guaranteed security of operation.
Shown in Fig. 2, in order to guarantee power transmission gently and reliability, the two ends of input shaft bevel gear 234 are respectively equipped with adjusts circle and positioning ring.
The end of distributor case transmission shaft 241 is set on the self-aligning thrust roller bearing 4 of transmission shaft rear end cover 243.Self-aligning thrust roller bearing 4 adopts the high strength self-aligning thrust roller bearing, and reliable performance can be born large axially thrust, guarantees the power smooth transport.
Above demonstration and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a conical double screw extruder gear-box, comprise speed reducer and distributor case, it is characterized in that,
Described speed reducer comprises Gearbox, reduction box input shaft, reduction gearbox output shaft and speed reducer transmission part, and described reduction box input shaft, reduction gearbox output shaft, speed reducer transmission part all are arranged on described Gearbox by bearing;
Described distributor case comprises the distributor case casing, is provided with distributor case input block and distributor case transmission part in described distributor case casing, and described distributor case input block and distributor case transmission part are meshed by bevel gear;
Described distributor case input block comprises the distributor case input shaft, described distributor case input shaft is fixed in described distributor case casing by bearing, front end at described distributor case input shaft is provided with the input shaft front cover, described input shaft front cover and described distributor case casing are fastenedly connected, and at the middle part of described distributor case input shaft, are provided with the input shaft bevel gear;
Described distributor case transmission part comprises the distributor case transmission shaft, described distributor case transmission shaft is fixed in described distributor case casing by bearing, be respectively equipped with transmission shaft front cover and transmission shaft rear end cover at the two ends of described distributor case transmission shaft, described transmission shaft front cover and transmission shaft rear end cover are fastenedly connected with described distributor case casing respectively, at the middle part of described distributor case transmission shaft, are provided with the transmission shaft bevel gear;
The external splines of internal spline by reduction gearbox output shaft of described speed reducer and distributor case and distributor case input shaft end is meshed and to form combination conjuncted.
2. a kind of conical double screw extruder gear-box according to claim 1, it is characterized in that, described speed reducer transmission part is comprised of intermeshing II axle and III axle, the input gear of described reduction box input shaft is meshed with the II shaft transmission gear on being fixed on the II axle, and the output gear of described reduction gearbox output shaft is meshed with the III shaftgear on being fixed on the III axle.
3. a kind of conical double screw extruder gear-box according to claim 1, is characterized in that, described speed reducer is provided with cooling system.
4. a kind of conical double screw extruder gear-box according to claim 1, is characterized in that, the two ends of described input shaft bevel gear are respectively equipped with adjusts circle and positioning ring.
5. a kind of conical double screw extruder gear-box according to claim 1, is characterized in that, described distributor case transmission the tip of the axis is set on the self-aligning thrust roller bearing of transmission shaft rear end cover.
6. a kind of conical double screw extruder gear-box according to claim 1, is characterized in that, it is 42CrMo that described distributor case input shaft and distributor case transmission shaft adopt material.
7. a kind of conical double screw extruder gear-box according to claim 1, is characterized in that, described bevel gear adopts high strength alloy steel, and its cone angle is 2-5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378882.6U CN203384300U (en) | 2013-06-27 | 2013-06-27 | Conical double-screw extruder gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320378882.6U CN203384300U (en) | 2013-06-27 | 2013-06-27 | Conical double-screw extruder gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203384300U true CN203384300U (en) | 2014-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320378882.6U Expired - Fee Related CN203384300U (en) | 2013-06-27 | 2013-06-27 | Conical double-screw extruder gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203384300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141606A (en) * | 2014-07-07 | 2014-11-12 | 扬州大学 | Conical double-screw compression pump |
| CN106545642A (en) * | 2016-12-06 | 2017-03-29 | 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 |
-
2013
- 2013-06-27 CN CN201320378882.6U patent/CN203384300U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104141606A (en) * | 2014-07-07 | 2014-11-12 | 扬州大学 | Conical double-screw compression pump |
| CN106545642A (en) * | 2016-12-06 | 2017-03-29 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140627 |
|
| EXPY | Termination of patent right or utility model |