CN203847631U - Gear box used for parallel double-screw extruder - Google Patents
Gear box used for parallel double-screw extruder Download PDFInfo
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- CN203847631U CN203847631U CN201420274149.4U CN201420274149U CN203847631U CN 203847631 U CN203847631 U CN 203847631U CN 201420274149 U CN201420274149 U CN 201420274149U CN 203847631 U CN203847631 U CN 203847631U
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- gear
- shaft
- driven shaft
- screw extruder
- output shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000010363 phase shift Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A gear box used for a parallel double-screw extruder comprises a box body (10), an input shaft (20), a first-level driven shaft (30), a second-level driven shaft (40), a third-level driven shaft (50), a first output shaft (60) and a second output shaft (70). The input shaft (20) is connected with the first-level driven shaft (30) through gear transmission. The other end of the first-level driven shaft (30) is connected with the first output shaft (60) through an inner spline. Meanwhile, the first-level driven shaft (30) is connected with the second-level driven shaft (40) through gear transmission. The other end of the second-level driven shaft (40) is connected with one end of the third-level driven shaft (50) through a connecting piece (80). Meanwhile, the other end of the third-level driven shaft (50) is connected with the second output shaft (70) through gear transmission. The gear box used for the parallel double-screw extruder is convenient to assemble, has high assembly efficiency, is good in assembly quality after being assembled, and is long in service life.
Description
Technical field
The utility model relates to a kind of gear-box, particularly, relates to a kind of parallel double-screw extruder gear-box.
Background technique
Parallel double-screw extruder is a kind of machinery of plastics, rubber etc. being carried out to treatment and processing.It is widely used in the devolatilization processing etc. of filling, blend, modification, enhancing, chlorinated polypropylene and the super absorbent resin of rubber and plastic and engineering resin.
In parallel double-screw extruder, by two screw rods that be arranged in parallel, realize processing processing etc., above-mentioned screw rod drives by motor, conventionally utilizes gear-box to realize the transmission of power and the distribution of torsion between motor and screw rod.
Existing transferring power is provided with transmission shaft and gear to the gear-box inside of screw rod; but usually can not do the trick because of machining error and assembly error between gear and the casing of gear-box; reduce the assembly quality of gear-box integral body, thereby left qualitative hidden danger for gear-box.
Therefore,, for the problems referred to above, be necessary to propose further improvement project.
Model utility content
The purpose of this utility model is to provide a kind of parallel double-screw extruder gear-box, and it can overcome the not high problem of the assembly quality existing in gear-box for existing parallel double-screw extruder.
A kind of parallel double-screw extruder gear-box of the present utility model, it comprises: casing 10, input shaft 20, one-level driven shaft 30, secondary driven shaft 40, three grades of driven shafts 50, the first output shaft 60, the second output shaft 70;
Described input shaft 20, one-level driven shaft 30, secondary driven shaft 40, three grades of driven shafts 50, the first output shaft 60, second output shafts 70 are installed in the inner space that described casing 10 limits;
Described input shaft 20 is connected by gear transmission with described one-level driven shaft 30, the other end of described one-level driven shaft 30 is connected by internal spline with described the first output shaft 60, described one-level driven shaft 30 is connected by gear transmission with described secondary driven shaft 40 simultaneously, the other end of described secondary driven shaft 40 is connected by link 80 with one end of three grades of driven shafts 50, and the other end of described three grades of driven shafts 50 is connected by gear transmission with described the second output shaft 70 simultaneously.
As further improvement of the utility model, described link 80 is cylindrical shape, on the madial wall of described cylindrical shape link 80, offer internal spline, described secondary driven shaft 40, three grades of driven shafts 50 are provided with external splines with the end that described link 80 matches, and described secondary driven shaft 40, three grades of driven shafts 50 match with described link 80 with internal spline by external splines.
As further improvement of the utility model, on described input shaft 20, the first gear is installed, the second gear 31 is installed on described one-level driven shaft 30, and described the first gear and the second gear 31 are intermeshing, realize being in transmission connection of described input shaft 20 and one-level driven shaft 30.
As further improvement of the utility model, the 3rd gear 41 is installed on described secondary driven shaft 40, described the 3rd gear 41 is intermeshing with described the second gear 31, realizes being in transmission connection of described one-level driven shaft 30 and secondary driven shaft 40.
As further improvement of the utility model, on described three grades of driven shafts 50, the 4th gear 51 is installed, the 4th gear 51 and the 5th gear 71 are installed described in the 5th gear 71 intermeshing on described the second output shaft 70, realize being in transmission connection of described three grades of driven shafts 50 and the second output shaft 70.
As further improvement of the utility model, described the 3rd gear 41 equates with the gear ratio of described the 4th gear 51 and the 5th gear 71 with the gear ratio of described the second gear 31.
As further improvement of the utility model, described the first output shaft 60 and the second output shaft 70 have output terminal, on described output terminal, be formed with assembling spline, the end face of the output terminal of the first output shaft 60 and the second output shaft 70 is in the same plane, and assembling spline phase shift 90 degree of two output shafts.
Parallel double-screw extruder of the present utility model is with the technical conceive of gear-box, by a flexible part that connects, realize the assembling between secondary driven shaft and three grades of driven shafts, when there is assembly error in gear-box, can be by changing the phase place of link, thus make to reach between each gear optimum back lash.
Compared with prior art, parallel double-screw extruder of the present utility model is easy to assembly with gear-box, has higher efficiency of assembling, and after assembling, assembly quality is high, long service life.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the internal structure of gear-box for existing parallel double-screw extruder;
Fig. 2 is the plan view of this internal structure in Fig. 1;
Fig. 3 is the stereogram 1 of the internal structure of gear-box for parallel double-screw extruder of the present utility model;
Fig. 4 is the stereogram 2 of the internal structure of gear-box for parallel double-screw extruder of the present utility model;
Fig. 5 is the plan view of this internal structure in Fig. 3;
Fig. 6 is the floor map of gear-box for parallel double-screw extruder of the present utility model;
Fig. 7 is Fig. 6 middle gear case internal structure schematic diagram.
Embodiment
For making the purpose of this utility model, technological scheme and advantage more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, the utility model is further described.Should be appreciated that, these descriptions are exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, omitted the description to known configurations and technology, to avoid unnecessarily obscuring concept of the present utility model.
Below in conjunction with accompanying drawing, existing parallel double-screw extruder is set forth by the defect existing in gear-box.
Fig. 1 is the schematic perspective view of the internal structure of gear-box for existing parallel double-screw extruder, and Fig. 2 is the plan view of this internal structure in Fig. 1.
As shown in Figure 1 and Figure 2, the parallel double-screw extruder of prior art comprises casing (not shown), input shaft 110, the first transmission shaft 120, second driving shaft 130, the first output shaft 140, the second output shaft 150 with gear-box 200.Wherein, input shaft 110, the first transmission shaft 120, second driving shaft 130, the first output shaft 140, the second output shaft 150 are assemblied in casing.
Between one end of input shaft 110 and the first transmission shaft 120, by gear, be in transmission connection, the other end of the first transmission shaft 120 is connected with the first output shaft 140.The first transmission shaft 120 is in transmission connection by gear with one end of second driving shaft 130 simultaneously, and the other end of second driving shaft 130 and the second output shaft 150 are in transmission connection by gear.
So visible, between said gear, there is unique rigging position, after being assemblied in casing, can not regulate, greatly define the flexibility of gear-box assembling.
Fig. 3 is the stereogram 1 of the internal structure of gear-box for parallel double-screw extruder of the present utility model, Fig. 4 is the stereogram 2 of the internal structure of gear-box for parallel double-screw extruder of the present utility model, Fig. 5 is the plan view of this internal structure in Fig. 3, Fig. 6 is the floor map of gear-box for parallel double-screw extruder of the present utility model, and Fig. 7 is Fig. 6 middle gear case internal structure schematic diagram.
As in Figure 3-5, for the parallel double-screw extruder of the utility model preferred embodiment, gear-box 100 (hereinafter to be referred as gear-box) comprising: casing 10, input shaft 20, one-level driven shaft 30, secondary driven shaft 40, three grades of driven shafts 50, the first output shaft 60, the second output shaft 70.
As shown in Fig. 6-7, described input shaft 20, one-level driven shaft 30, secondary driven shaft 40, three grades of driven shafts 50, the first output shaft 60, second output shafts 70 are installed in the inner space that described casing 10 limits.And along its axial direction, be parallel to each other between input shaft 20, one-level driven shaft 30, secondary driven shaft 40, three grades of driven shafts 50, the first output shaft 60, the second output shaft 70.Input shaft 20 has input end, and this input end stretches out in described casing 10.The first output shaft 60, the second output shaft 70 have respectively corresponding output terminal, and each output terminal stretches out in described casing 10.
Further, described input shaft 20 is in transmission connection with one end of described one-level driven shaft 30, and the other end of described one-level driven shaft 30 is connected by internal spline with described the first output shaft 60.Particularly, the first gear 21 is installed on described input shaft 20, the second gear 31 is installed on described one-level driven shaft 30, described the first gear 21 and the second gear 31 are intermeshing, thereby realize being in transmission connection between described input shaft 20 and one-level driven shaft 30.
Like this, motor drives input shaft 20 rotations, correspondingly, one-level driven shaft 30 rotates by the first gear 21, the second gear 31 under the driving of input shaft 20, now, under the drive of one-level driven shaft 30, the first output shaft 60 is synchronized with the movement, and the first output shaft 60 can be transferred to corresponding screw rod by the driving force of motor.In addition on the output terminal of the first output shaft 60, be also formed with, the assembling spline 61 of assembling use.
Preferably, input shaft 20 is positioned at the below of one-level driven shaft 30, and the first gear 21 and the second gear 31 are helical gear.
Described one-level driven shaft 30 is in transmission connection with one end of described secondary driven shaft 40 simultaneously, and the other end of described secondary driven shaft 40 is connected by link 80 with one end of three grades of driven shafts 50.Particularly, the 3rd gear 41 is installed on described secondary driven shaft 40, described the 3rd gear 41 is intermeshing with described the second gear 31, realizes being in transmission connection between described one-level driven shaft 30 and secondary driven shaft 40.
Preferably, secondary driven shaft 40 is positioned at a side of one-level driven shaft 30, and the 3rd gear 41 is helical gear.Link 80 is flexible connecting member.
When 30 rotation of one-level driven shaft, can drive secondary driven shaft 40 to be synchronized with the movement by the second gear 31, the 3rd gear 41, in order to realize the uniform distribution of motor power, described the 3rd gear 41 equates with the tooth radius of described the second gear 31.Thereby one-level driven shaft 30 has identical rotating speed with secondary driven shaft 40.
As a kind of mode of execution, described link 80 is cylindrical shape, on the madial wall of described cylindrical shape link 80, offer internal spline, described secondary driven shaft 40, three grades of driven shafts 50 are provided with external splines with the end that described link 80 matches, and described secondary driven shaft 40, three grades of driven shafts 50 match with described link 80 with internal spline by external splines.
When the assembling of carrying out between gear, driven shaft, input shaft, output shaft and casing, can be by changing the phase place of link, thus make to reach between each gear optimum back lash.This place claims phase place to refer to that secondary driven shaft, three grades of driven shafts extend into the tooth phase of the external splines in cylindrical shape link.Thereby, by changing three grades of driven tooth and secondary driven tooth two connecting end surface corresponding teeth phase places, make the gear engagement skew back that secondary driven shaft, three grades of driven shafts coordinate with it reach optimum.And can adopt and between secondary driven shaft and three grades of driven shafts, can increase the mode of pad simultaneously, adjust the relative distance between secondary driven shaft and three grades of driven shafts, engaging position between corresponding driving gear is changed, overcome the uniqueness of rigging position between each gear engagement, rigging position can be regulated as required, the efficiency and the whole assembly quality that have improved assembling, extended the working life that parallel double-screw extruder of the present utility model is used gear-box.
The other end of described three grades of driven shafts 50 is in transmission connection with described the second output shaft 70 simultaneously.On described three grades of driven shafts 50, the 4th gear 51 is installed, on described the second output shaft 70, the 5th gear 71 is installed, described the 4th gear 51 and the 5th gear 71 are intermeshing, thereby realize being in transmission connection between described three grades of driven shafts 50 and the second output shaft 70.
In order to realize the uniform distribution of motor power, described the 3rd gear 41 equates with the gear ratio of described the 4th gear 51 and the 5th gear 71 with the gear ratio of described the second gear 31.
When secondary driven shaft 40 is synchronized with the movement with one-level driven shaft 30, secondary driven shaft 40 drives three grades of driven shafts 50 to be synchronized with the movement by link 80.Thereby the rotating speed that the second output shaft 70 can be identical with three grades of driven shafts 50 is rotated.In addition on the output terminal of the second output shaft 70, be also formed with, the assembling spline 72 of assembling use.The end face of the output terminal of the first output shaft 60 and the second output shaft 70 is in the same plane, and assembling spline phase shift 90 degree of two output shafts.
Preferably, the second output shaft 70 is between three grades of driven shafts 50 and the first output shaft 60, and the 4th gear 51 and the 5th gear 71 are helical gear.
In sum, parallel double-screw extruder of the present utility model is easy to assembly with gear-box, has higher efficiency of assembling, and after assembling, assembly quality is high, long service life.
Should be understood that, above-mentioned embodiment of the present utility model is only for exemplary illustration or explain principle of the present utility model, and do not form restriction of the present utility model.Therefore any modification of, making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model in the situation that not departing from spirit and scope of the present utility model.In addition, the utility model claims are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.
Claims (7)
1. a parallel double-screw extruder gear-box, it is characterized in that, described gear-box comprises: casing (10), and be installed on input shaft (20), one-level driven shaft (30), secondary driven shaft (40), three grades of driven shafts (50), the first output shaft (60), the second output shaft (70) in the inner space that described casing (10) limits;
Described input shaft (20) is connected by gear transmission with described one-level driven shaft (30), the other end of described one-level driven shaft (30) is connected by internal spline with described the first output shaft (60), described one-level driven shaft (30) is connected by gear transmission with described secondary driven shaft (40) simultaneously, the other end of described secondary driven shaft (40) is connected by link (80) with one end of three grades of driven shafts (50), and the other end of described three grades of driven shafts (50) is connected by gear transmission with described the second output shaft (70) simultaneously.
2. parallel double-screw extruder gear-box according to claim 1, it is characterized in that, described link (80) is cylindrical shape, on the madial wall of described cylindrical shape link (80), offer internal spline, described secondary driven shaft (40), three grades of driven shafts (50) are provided with external splines with the end that described link (80) matches, and described secondary driven shaft (40), three grades of driven shafts (50) match with described link (80) with internal spline by external splines.
3. parallel double-screw extruder gear-box according to claim 1, it is characterized in that, described input shaft is provided with the first gear on (20), the second gear (31) is installed on described one-level driven shaft (30), described the first gear and the second gear (31) are intermeshing, realize being in transmission connection of described input shaft (20) and one-level driven shaft (30).
4. parallel double-screw extruder gear-box according to claim 3, it is characterized in that, the 3rd gear (41) is installed on described secondary driven shaft (40), described the 3rd gear (41) is intermeshing with described the second gear (31), realizes being in transmission connection of described one-level driven shaft (30) and secondary driven shaft (40).
5. parallel double-screw extruder gear-box according to claim 4, it is characterized in that, the 4th gear (51) is installed on described three grades of driven shafts (50), the 5th gear (71) is installed on described the second output shaft (70), described the 4th gear (51) and the 5th gear (71) are intermeshing, realize being in transmission connection of described three grades of driven shafts (50) and the second output shaft (70).
6. parallel double-screw extruder gear-box according to claim 5, it is characterized in that, described the 3rd gear (41) equates with the gear ratio of described the 4th gear (51) and the 5th gear (71) with the gear ratio of described the second gear (31).
7. parallel double-screw extruder gear-box according to claim 1, it is characterized in that, described the first output shaft (60) and the second output shaft (70) have output terminal, on described output terminal, be formed with assembling spline, the end face of the output terminal of the first output shaft (60) and the second output shaft (70) is in the same plane, and assembling spline phase shift 90 degree of two output shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274149.4U CN203847631U (en) | 2014-05-27 | 2014-05-27 | Gear box used for parallel double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274149.4U CN203847631U (en) | 2014-05-27 | 2014-05-27 | Gear box used for parallel double-screw extruder |
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| Publication Number | Publication Date |
|---|---|
| CN203847631U true CN203847631U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420274149.4U Expired - Fee Related CN203847631U (en) | 2014-05-27 | 2014-05-27 | Gear box used for parallel double-screw extruder |
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| CN (1) | CN203847631U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075888A (en) * | 2019-12-31 | 2020-04-28 | 江阴市得灵机械有限公司 | High-torsion same-direction flat double structure |
| CN112628364A (en) * | 2020-12-28 | 2021-04-09 | 大连橡胶塑料机械有限公司 | Phase adjusting device and method for double output shafts of homodromous double-screw speed reducer |
| CN120402587A (en) * | 2025-07-04 | 2025-08-01 | 成都金稷丰机械制造有限公司 | Output shaft reversing mechanism and gear box |
-
2014
- 2014-05-27 CN CN201420274149.4U patent/CN203847631U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075888A (en) * | 2019-12-31 | 2020-04-28 | 江阴市得灵机械有限公司 | High-torsion same-direction flat double structure |
| CN112628364A (en) * | 2020-12-28 | 2021-04-09 | 大连橡胶塑料机械有限公司 | Phase adjusting device and method for double output shafts of homodromous double-screw speed reducer |
| CN120402587A (en) * | 2025-07-04 | 2025-08-01 | 成都金稷丰机械制造有限公司 | Output shaft reversing mechanism and gear box |
| CN120402587B (en) * | 2025-07-04 | 2025-09-02 | 成都金稷丰机械制造有限公司 | Output shaft reversing mechanism and gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 610000 No. 4 rattan Avenue, Dujiangyan Economic Development Zone, Sichuan, China Patentee after: Chengdu Jin Jifeng Machinery Manufacturing Co., Ltd. Address before: 610208 Sichuan city of Chengdu province Shuangliu County West Port Economic Development Zone Tengfei Road No. 488 three Patentee before: Chengdu Jin Jifeng Machinery Manufacturing Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20200527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |