CN203594733U - Planetary reducer for plastic extruding machine - Google Patents
Planetary reducer for plastic extruding machine Download PDFInfo
- Publication number
- CN203594733U CN203594733U CN201320868977.6U CN201320868977U CN203594733U CN 203594733 U CN203594733 U CN 203594733U CN 201320868977 U CN201320868977 U CN 201320868977U CN 203594733 U CN203594733 U CN 203594733U
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- gear
- shaft
- planetary reducer
- planet carrier
- planet
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Abstract
The utility model relates to a planetary reducer for a plastic extruding machine. The planetary reducer is characterized by mainly comprising a box body, a secondary parallel axis retarding mechanism, a primary planet wheel retarding mechanism, a torque arm, a tubular shaft and an output gear shaft, wherein the secondary parallel axis retarding mechanism is composed of an input shaft, a small transition gear, a transition gear shaft, a big transition gear and an internal spline shaft which are in transmission in sequence, a primary planetary reducer body is composed of an internal gear ring, a planet carrier, a sun wheel and a planet wheel, the box body is composed of an upper box body, a lower box body, the internal gear ring of the primary planetary reducer and the torque arm, the internal spline shaft of the secondary parallel axis retarding mechanism, the sun wheel of the primary planetary reducer body and the output gear shaft are coaxial, the big transition gear of the secondary parallel axis retarding mechanism is in transmission with the sun wheel through the internal spline shaft, and the planet carrier is in transmission with the output gear shaft. The planetary reducer for the plastic extruding machine is scientific and reasonable in structural design, capable of improving bearing capacity, compact in structure, small in size, light, and capable of guaranteeing radial bouncing of an output shaft and avoiding the interference with an input motor.
Description
Technical field
The utility model belongs to retarder technical field, particularly a kind of extruder planetary reducer.
Background technique
Conventionally extruder retarder completes gearing down by parallel-axes gears, but under the larger situation of power, whole parallel shaft (speed) reducer is sufficiently large, to bear larger load, this just easily causes retarder to take larger space, and then causing transportation inconvenience, cost significantly to rise, whole retarder is also more heavy, uses inconvenient.
In facing the problems referred to above, extruder also will bear one with retarder and push away a high thrust of drawing, and the deviation of circular runout is simultaneously enough little, and the input central axis of motor and the output axis of retarder will be at a distance of enough far away to avoid inputting the interference of motor.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of have when increasing bearing capacity compact structure, volume little, lightweight, guarantee output shaft circular runout, avoid and input the extruder planetary reducer that motor is interfered.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of extruder planetary reducer, it is characterized in that: be mainly made up of casing, secondary parallel axle speed reducing machine structure, one-level planet gear reducing mechanism, toggle, tubular axis and output gear shaft, wherein secondary parallel axle speed reducing machine structure is made up of the input shaft of transmission successively, little transition gear, transition gear axle, great transition gear, female splined shaft; One-level planetary reducer is made up of ring gear, planet carrier, sun gear and planet wheel; Casing is made up of jointly ring gear and the toggle of upper box, lower box, one-level planetary reducer, female splined shaft, one-level planetary gear speed reducing mechanism sun gear and the output gear shaft of secondary parallel axle speed reducing machine structure are coaxial, and the great transition gear of secondary parallel axle speed reducing machine structure is by female splined shaft and sun gear transmission; Planet carrier and output gear shaft drive.
And main thrust bearings directly installed in described output gear shaft and toggle.
And the end that described tubular axis is positioned at casing outside is provided with low thrust bearing, at the outside locking nut of installing of low thrust bearing.
And, between axial one end of the planet carrier of described one-level planet gear reducing mechanism and upper box, lower box, install by tapered roller bearing and spring supporting; Between the axial the other end of planet carrier and toggle, support and install by another tapered roller bearing.
And, between planet carrier and tubular axis, flange is housed, between tubular axis and flange, adopt the sealing of O type circle.
Advantage of the present utility model and beneficial effect are:
1. planetary reducer for this extruder, with one-level planetary gear speed reducing mechanism add two-stage parallel axis slow down drive mechanism; Planet carrier and output gear shaft junction adopt little Spielpassung, and simultaneously the bearings at both ends of planet carrier adopts tapered roller bearing and with spring compression, thereby guarantees output gear shaft run-out; The configuration of two-stage parallel stage avoids inputting motor, avoids interfering.
2. planetary reducer for this extruder, is divided into toggle, upper box and lower box by casing, makes reducer's disassemble and assemble convenient; Adopt one-level planetary structure, when increasing bearing capacity, alleviated weight; Adopt two-stage parallel axis structure, avoided the interference with input motor; Adopt the retarder of this kind of structure lighter than the parallel shaft (speed) reducer weight of equal-wattage, bulk reduces, and is convenient to transportation; Adopt pressure lubrication, so just greatly improved the reliability of retarder; Cooling system adopts water cooling, and cooling effect is better.
3. the utility model scientific structure design is reasonable, increase there is compact structure when bearing capacity, volume is little, lightweight, guarantee output shaft circular runout, avoid and input motor interferes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The explanation of accompanying drawing mark:
1-main thrust bearings, 2-output gear shaft, 3-toggle, 4-planet carrier, 5-ring gear, 6-upper box, 7-lower box, 8-input shaft, the little transition gear of 9-, 10-transition gear axle, 11-female splined shaft, 12-low thrust bearing, 13-tubular axis, 14-great transition gear, 15-sun gear, 16-spring, 17-tapered roller bearing, 18-planet wheel shaft, 19-planet wheel, 20-flange, 21-tapered roller bearing, 22-locking nut.
Embodiment
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of extruder planetary reducer, it is mainly made up of casing, secondary parallel axle speed reducing machine structure, one-level planet gear reducing mechanism, toggle 3, tubular axis 13 and output gear shaft 2, and wherein secondary parallel axle speed reducing machine structure is made up of input shaft 8, little transition gear 9, transition gear axle 10, great transition gear 14, the female splined shaft 11 of transmission successively.Female splined shaft, transition gear axle, input shaft are installed in parallel between upper box and lower box by bearing, transition gear axle is provided with transition gearwheel, great transition gear on female splined shaft engages with the gear on transition gear axle, and the little transition gear on transition gear axle engages with the gear on input gear axle; The input end of input shaft passes upper box and lower box.
One-level planetary reducer is made up of ring gear 5, planet carrier 4, sun gear 15 and planet wheel 19, and planet wheel is arranged on planet carrier by planet wheel shaft 18 is uniform.Planet carrier periphery evenly arranges four planet wheels, and planet wheel often engages with ring gear, sun gear simultaneously.The end of sun gear is provided with spline and is connected with female splined shaft.
Casing is made up of jointly ring gear and the toggle of upper box 6, lower box 7, one-level planetary reducer.Toggle, ring gear, upper box and lower box are bolted.
Female splined shaft, one-level planetary gear speed reducing mechanism sun gear and the output gear shaft of secondary parallel axle speed reducing machine structure are coaxial, and the great transition gear of secondary parallel axle speed reducing machine structure is by female splined shaft and sun gear transmission; Planet carrier and output gear shaft drive.
Main thrust bearings 1 directly installed in output gear shaft and toggle.Tubular axis is threaded onto in the female splined shaft and one-level planetary gear speed reducing mechanism sun gear and output gear shaft of secondary parallel axle speed reducing machine structure.The end that tubular axis is positioned at casing outside is provided with low thrust bearing 12, at the outside locking nut 22 of installing of low thrust bearing.
Between axial one end of the planet carrier of one-level planet gear reducing mechanism and upper box, lower box, support and install by tapered roller bearing 17 and spring 16; Between the axial the other end of planet carrier and toggle, support and install by another tapered roller bearing 21.Flange 20 is housed between planet carrier and tubular axis, between tubular axis and flange, adopts the sealing of O type circle.Between tubular axis and planet carrier, adopt the sealing of O type circle.
The reduction speed ratio of one-level planetary gear speed reducing mechanism is 4.5～5.5, and on the gearwheel on transition gear axle and output gear shaft, the speed ratio of small gear is 2.5～3.5.
Working principle of the present utility model is:
By the locking nut of fastening low thrust bearing 12 1 sides, make the gap of main thrust bearings be reduced to zero, the junction of planet carrier 4 and output gear shaft 2 adopts little Spielpassung, is aided with spring 16 and compresses spherical roller thrust-bearing 17, has guaranteed the circular runout of output gear shaft 2; Axial force from working machine one side is born by main thrust bearings 1, and bears reverse pulling force by toggle 3; Under working state, the kinetic energy of motor is inputted by input shaft 8, drive sun gear 15 synchronously to rotate by little transition gear 9, transition gear axle 10, transition gearwheel 14, female splined shaft 11, then make planet wheel 19 rotate around sun gear 15, because planet wheel 19 engages with ring gear 5, sun gear 15 simultaneously, make planet carrier 4 produce rotation, and drive output gear shaft 2 synchronously to rotate, the rotating speed and the moment of torsion that finally need by output gear shaft 2 outputs.
Although disclose for the purpose of illustration embodiment of the present utility model and accompanying drawing, but it will be appreciated by those skilled in the art that: not departing from the spirit and scope of the utility model and claims, various replacements, variation and modification are all possible, therefore, scope of the present utility model is not limited to embodiment and the disclosed content of accompanying drawing.
Claims (5)
1. an extruder planetary reducer, it is characterized in that: be mainly made up of casing, secondary parallel axle speed reducing machine structure, one-level planet gear reducing mechanism, toggle, tubular axis and output gear shaft, wherein secondary parallel axle speed reducing machine structure is made up of the input shaft of transmission successively, little transition gear, transition gear axle, great transition gear, female splined shaft; One-level planetary reducer is made up of ring gear, planet carrier, sun gear and planet wheel; Casing is made up of jointly ring gear and the toggle of upper box, lower box, one-level planetary reducer, female splined shaft, one-level planetary gear speed reducing mechanism sun gear and the output gear shaft of secondary parallel axle speed reducing machine structure are coaxial, and the great transition gear of secondary parallel axle speed reducing machine structure is by female splined shaft and sun gear transmission; Planet carrier and output gear shaft drive.
2. extruder planetary reducer according to claim 1, is characterized in that: main thrust bearings directly installed in described output gear shaft and toggle.
3. extruder planetary reducer according to claim 1, is characterized in that: the end that described tubular axis is positioned at casing outside is provided with low thrust bearing, at the outside locking nut of installing of low thrust bearing.
4. extruder planetary reducer according to claim 1, is characterized in that: between axial one end of the planet carrier of described one-level planet gear reducing mechanism and upper box, lower box, install by tapered roller bearing and spring supporting; Between the axial the other end of planet carrier and toggle, support and install by another tapered roller bearing.
5. extruder planetary reducer according to claim 1, is characterized in that: between planet carrier and tubular axis, flange is housed, adopts the sealing of O type circle between tubular axis and flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868977.6U CN203594733U (en) | 2013-12-19 | 2013-12-19 | Planetary reducer for plastic extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868977.6U CN203594733U (en) | 2013-12-19 | 2013-12-19 | Planetary reducer for plastic extruding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594733U true CN203594733U (en) | 2014-05-14 |
Family
ID=50675626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320868977.6U Expired - Fee Related CN203594733U (en) | 2013-12-19 | 2013-12-19 | Planetary reducer for plastic extruding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594733U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442005A (en) * | 2018-12-28 | 2019-03-08 | 东风商用车有限公司 | A kind of large speed ratio high-speed planets system reducer structure |
| CN112865415A (en) * | 2021-01-12 | 2021-05-28 | 苏州川力塑业有限公司 | Control driving method adopting servo motor and three-stage gearbox |
| EP3992498A1 (en) * | 2020-10-29 | 2022-05-04 | Flender GmbH | Arrangement with a transmission and a working machine, method for simulation |
| CN117267332A (en) * | 2023-11-23 | 2023-12-22 | 淄博纽氏达特行星减速机有限公司 | Compact transmission device for jacking mechanism |
-
2013
- 2013-12-19 CN CN201320868977.6U patent/CN203594733U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442005A (en) * | 2018-12-28 | 2019-03-08 | 东风商用车有限公司 | A kind of large speed ratio high-speed planets system reducer structure |
| EP3992498A1 (en) * | 2020-10-29 | 2022-05-04 | Flender GmbH | Arrangement with a transmission and a working machine, method for simulation |
| WO2022090187A1 (en) | 2020-10-29 | 2022-05-05 | Flender Gmbh | Arrangement with a transmission and with a work machine, and simulation method |
| CN112865415A (en) * | 2021-01-12 | 2021-05-28 | 苏州川力塑业有限公司 | Control driving method adopting servo motor and three-stage gearbox |
| CN117267332A (en) * | 2023-11-23 | 2023-12-22 | 淄博纽氏达特行星减速机有限公司 | Compact transmission device for jacking mechanism |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20161219 |