CN104141744B - Air-cooled plastic extruder planetary speed reducer - Google Patents
Air-cooled plastic extruder planetary speed reducer Download PDFInfo
- Publication number
- CN104141744B CN104141744B CN201410335537.3A CN201410335537A CN104141744B CN 104141744 B CN104141744 B CN 104141744B CN 201410335537 A CN201410335537 A CN 201410335537A CN 104141744 B CN104141744 B CN 104141744B
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- cylinder
- built
- casing
- end cap
- gear
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- 229920003023 plastic Polymers 0.000 title claims abstract description 14
- 239000004033 plastic Substances 0.000 title claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The invention relates to a planetary speed reducer of an air-cooled plastic extruder, which comprises an input shaft, a transmission mechanism and an output shaft which are arranged in a box body and sequentially driven, wherein a built-in cylinder is connected to the output end of the box body in a penetrating way and is connected with the end surface of the output end of the box body through a flange; the cylindrical end cover is connected with the input end of the box body, the input shaft is supported on the cylindrical end cover through two second bearings, and the end surface of the outer side of the cylindrical end cover is hermetically connected with the end surface of the input end of the box body through an annular disc; a second built-in cylinder is connected between the end face of the inner side of the cylinder end cover and the end face of the inner side of the built-in cylinder, a closed clamping cavity is formed by the built-in cylinder, the cylinder end cover and the inner wall of the box body in an enclosing mode, circulating air is introduced into the clamping cavity, the circulating air is exhausted from the exhaust window after circulating in the clamping cavity, planetary wheel transmission is used for replacing parallel shaft transmission, the size of the speed reducer is reduced, and the overload capacity is high.
Description
Technical field
The present invention relates to a kind of reductor, be specifically related to a kind of air-cooled plastic extruder planetary reducer.
Background technology
Existing ZLYJ plastic speed reducer special for extruder be ZLY type two-stage parallel axis hard-tooth surface gear reduction unit thrust bearing is set, in order to bear the improvement type of plastics machine screw rod axial force, have that volume is little, bearing capacity is high, stable drive, noise are low, efficiency high.Add up according to reductor industry sources, ZLYJ plastic speed reducer special for extruder, be that the existing domestic market amount of having is maximum, copy one of most special reduction gear product of producer.There are following two big defects in ZLYJ plastic speed reducer special for extruder:
1. in the plastic barrel that reductor front end couples, screw rod is in the condition of high temperature, and in causing decelerating chassis, oil temperature rises, thus must arrange the oil circulation chiller of pressure, so that adds additional manufacturing cost and adding complete machine weight；2. the light weight degree of the driving of parallel axes is lower than Gear Planet Transmission, and Gear Planet Transmission includes planet and the big class of few teeth difference (involute and cycloid) two.
Summary of the invention
For solving deficiency of the prior art, it is an object of the invention to provide with air-cooled replacement forced oil cooling radiator cooler to reduce manufacturing cost；The existing ZLYJ driving of parallel axes is replaced, to improve the light weight degree of decelerator by the multiple tooth cycloid pinwheel planetary gear transmission system to engagement；Bearing capacity is big, volume is little, lightweight one air-cooled plastic extruder planetary reducer.
For reaching object above, the technical scheme that the present invention takes is:
A kind of air-cooled plastic extruder planetary reducer, including casing be arranged in casing and the power shaft of transmission, drive mechanism and output shaft successively, built-in cylinder and cylinder end cap it is provided with in described casing, described built-in cylinder is connected to the outfan of casing and is connected with casing outfan end face through flange, described output shaft is supported on built-in cylinder through two clutch shaft bearings, the external part of described output shaft is socketed with thrust cylinder, and described thrust cylinder is fixedly connected on the outer face of built-in cylinder through circular ring cover；Described cylinder end cap is connected to casing input, and described power shaft is supported on cylinder end cap through two the second bearings, is tightly connected through circle ring disk between the end face outside of described cylinder end cap and casing input end face；The inner side end of described cylinder end cap has the second built-in cylinder with being connected between the inner side end of built-in cylinder, the outer wall of the inwall of described casing and built-in cylinder, the second built-in cylinder and cylinder end cap encloses and connects the airtight folder chamber of formation, described casing top is provided with the ventilation window in UNICOM's airtight folder chamber, the side of casing is provided with axial flow blower, described axial flow blower air outlet and airtight Jia Qiang UNICOM；
Further, described drive mechanism includes two-stage planetary mechanism, described first planet mechanism includes the first sun gear, the first ring gear, the first row carrier, the first row star-wheel and the first pin, described first sun gear is arranged at the axle head of power shaft, described first ring gear is installed on the inwall of the second built-in cylinder, described the first row star-wheel is installed on the first row carrier, described the first row star-wheel and the first ring gear engaged transmission through the first pin；Described second planetary mechanism includes the second sun gear, the second ring gear, the second planet carrier, the second planetary gear and the second pin, described second sun gear is coaxially connected with the first row carrier, described second ring gear is installed on the inwall of built-in cylinder, described second planet carrier is supported on the endoporus of the second built-in cylinder through bearing, described second planetary gear is installed on the second planet carrier through pin, described second planetary gear and the second ring gear engaged transmission, described second planet carrier is coaxially connected with output shaft.
Yet further, the outer surface of described cylinder end cap and built-in cylinder is provided with multiple heat radiation gusset.
After taking above technical scheme, the invention have the benefit that
1. enclose with built-in cylinder, cylinder end cap and cabinet wall and be connected into airtight folder chamber, folder chamber in be passed through circulated air, axial flow blower provide wind regime, wind folder cavity circulation after discharged by ventilation window, simple in construction, control, easy to adjust, reliability is high, low cost of manufacture.
2. replacing the driving of parallel axes with planetary gear wheel transmission, minimizing reductor volume, overload capacity are big.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: casing 1, built-in cylinder 2, clutch shaft bearing 3, thrust roller bearing 4, thrust cylinder 5, circular ring cover 6, bearing block 7, output shaft 8, jackshaft 9, the second ring gear 10, second planetary gear 11, the second pin 12, cylinder end cap 13, the second planet carrier 14, the second bearing 15, power shaft 16, circle ring disk 17, the second sun gear 18, dispel the heat gusset 19, first sun gear 20, the first ring gear 21, the first row star-wheel 22, the first pin 23, the first row carrier 24, the second built-in cylinder 25, axial flow blower 26, exhaust fan 27.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is further described:
As shown in the figure, a kind of air-cooled plastic extruder cycloid reduction device, including casing 1 with in being arranged at casing and the power shaft 16 of transmission successively, drive mechanism and output shaft 8, built-in cylinder 2 and cylinder end cap 13 it is provided with in described casing, described built-in cylinder 2 is connected to the outfan of casing 1 and is connected with casing 1 outfan end face through flange, described output shaft 8 is supported on built-in cylinder 2 through two clutch shaft bearings 3, it is provided with bearing block 7 outside described clutch shaft bearing 3, described bearing block 7 endoporus coordinates with the outer ring of the thrust roller bearing 4 being socketed on output shaft 8, the end face outside of described thrust roller bearing 4 is spacing by thrust cylinder 5, described thrust cylinder 5 is enclosed within output shaft 8 axle head, described thrust cylinder 5 is by circular ring cover 6 axial limiting；Described cylinder end cap 13 is connected to the input of casing 1, and described power shaft 16 is supported in cylinder end cap 13 through two the second bearings 15, is tightly connected through circle ring disk 17 between the end face outside of described cylinder end cap 13 and casing 1 input end face；It is connected between the inner side end of described cylinder end cap 13 with the inner side end of built-in cylinder 2 and has the second built-in cylinder 25, the outer wall of the inwall of described casing 1 and built-in cylinder 2, cylinder end cap 13 and the second built-in cylinder 25 encloses and connects the airtight folder chamber of formation, and the outer surface of described cylinder end cap the 13, second built-in cylinder 25 and built-in cylinder 2 is provided with multiple heat radiation gusset 19；Described casing top is provided with the ventilation window 27 in UNICOM's airtight folder chamber, and the side of casing is provided with axial flow blower 26, described axial flow blower 26 air outlet and airtight Jia Qiang UNICOM；
Described drive mechanism includes two-stage planetary mechanism, described first planet mechanism includes first sun gear the 20, first ring gear 21, the first row carrier 24, the first row star-wheel 22 and the first pin 23, described first sun gear 20 is arranged at the axle head of power shaft 16, described first sun gear 20 is arranged at power shaft 16 and is integrated part, described first ring gear 21 is installed on the inwall of the second built-in cylinder 25, described the first row star-wheel 22 is installed on the first row carrier, described the first row star-wheel 22 and the first ring gear 21 engaged transmission through the first pin 23；nullDescribed second planetary mechanism includes the second sun gear 18、Second ring gear 10、Second planet carrier 14、Second planetary gear 11 and the second pin 12，Described second sun gear 18 is coaxially connected with the first row carrier 24 through jackshaft 9，Described two sun gears 18 are integrated part with jackshaft 9，Described jackshaft 9 is coaxially connected through key and the first row carrier 24 or jackshaft 9 is integrated part with the first row carrier 24，Described second ring gear 10 is installed on the inwall of built-in cylinder 2，Described second planet carrier 14 is supported on the endoporus of the second built-in cylinder 25 through bearing，Described second planetary gear 11 is installed on the second planet carrier 14 through the second pin 12，Described second planetary gear 11 and the second ring gear 10 engaged transmission，Described second planet carrier 14 second planet carrier 14 coaxially connected or described with output shaft 8 is integrated part with output shaft 8.
Claims (2)
1. an air-cooled plastic extruder planetary reducer, including casing be arranged in casing and the power shaft of transmission, drive mechanism and output shaft successively, it is characterized in that, built-in cylinder and cylinder end cap it is provided with in described casing, described built-in cylinder is connected to the outfan of casing and is connected with casing outfan end face through flange, described output shaft is supported on built-in cylinder through two clutch shaft bearings, the external part of described output shaft is socketed with thrust cylinder, and described thrust cylinder is fixedly connected on the outer face of built-in cylinder through circular ring cover；Described cylinder end cap is connected to casing input, and described power shaft is supported on cylinder end cap through two the second bearings, is tightly connected through circle ring disk between the end face outside of described cylinder end cap and casing input end face；The inner side end of described cylinder end cap has the second built-in cylinder with being connected between the inner side end of built-in cylinder, the outer wall of the inwall of described casing and built-in cylinder, the second built-in cylinder and cylinder end cap encloses and connects the airtight folder chamber of formation, described casing top is provided with the ventilation window in UNICOM's airtight folder chamber, the side of casing is provided with axial flow blower, described axial flow blower air outlet and airtight Jia Qiang UNICOM；Described drive mechanism includes two-stage planetary mechanism, first planet mechanism includes the first sun gear, the first ring gear, the first row carrier, the first row star-wheel and the first pin, described first sun gear is arranged at the axle head of power shaft, described first ring gear is installed on the inwall of the second built-in cylinder, described the first row star-wheel is installed on the first row carrier, described the first row star-wheel and the first ring gear engaged transmission through the first pin；Second planetary mechanism includes the second sun gear, the second ring gear, the second planet carrier, the second planetary gear and the second pin, described second sun gear is coaxially connected with the first row carrier, described second ring gear is installed on the inwall of built-in cylinder, described second planet carrier is supported on the endoporus of the second built-in cylinder through bearing, described second planetary gear is installed on the second planet carrier through pin, described second planetary gear and the second ring gear engaged transmission, described second planet carrier is coaxially connected with output shaft.
One the most according to claim 1 air-cooled plastic extruder planetary reducer, it is characterised in that the outer surface of described cylinder end cap and built-in cylinder is provided with multiple heat radiation gusset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335537.3A CN104141744B (en) | 2014-07-15 | Air-cooled plastic extruder planetary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335537.3A CN104141744B (en) | 2014-07-15 | Air-cooled plastic extruder planetary speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104141744A CN104141744A (en) | 2014-11-12 |
| CN104141744B true CN104141744B (en) | 2017-01-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428521A (en) * | 2001-12-26 | 2003-07-09 | 王庆雨 | Cycloidal speed reducer |
| EP1717489A2 (en) * | 2005-04-29 | 2006-11-02 | Pujol Muntala S.A. | Epicycloidal-gear multiplier / reducer useable in wind generators and similar devices |
| CN101832239A (en) * | 2010-05-01 | 2010-09-15 | 吴声震 | Wind power generating single-stage pitch cycloid reducer |
| KR20110116573A (en) * | 2010-04-19 | 2011-10-26 | 주식회사 해성산전 | A small size reduction gear of cycloid |
| CN204083077U (en) * | 2014-07-15 | 2015-01-07 | 江苏泰来减速机有限公司 | A kind of air-cooled plastic extruder planetary reduction gear |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428521A (en) * | 2001-12-26 | 2003-07-09 | 王庆雨 | Cycloidal speed reducer |
| EP1717489A2 (en) * | 2005-04-29 | 2006-11-02 | Pujol Muntala S.A. | Epicycloidal-gear multiplier / reducer useable in wind generators and similar devices |
| KR20110116573A (en) * | 2010-04-19 | 2011-10-26 | 주식회사 해성산전 | A small size reduction gear of cycloid |
| CN101832239A (en) * | 2010-05-01 | 2010-09-15 | 吴声震 | Wind power generating single-stage pitch cycloid reducer |
| CN204083077U (en) * | 2014-07-15 | 2015-01-07 | 江苏泰来减速机有限公司 | A kind of air-cooled plastic extruder planetary reduction gear |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20200715 |