CN104196986A - Few tooth difference speed reducing device of air-cooled plastic extruder - Google Patents
Few tooth difference speed reducing device of air-cooled plastic extruder Download PDFInfo
- Publication number
- CN104196986A CN104196986A CN201410335279.9A CN201410335279A CN104196986A CN 104196986 A CN104196986 A CN 104196986A CN 201410335279 A CN201410335279 A CN 201410335279A CN 104196986 A CN104196986 A CN 104196986A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- casing
- built
- end cap
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
- B29C48/2526—Direct drives or gear boxes
Abstract
The invention relates to a few tooth difference speed reducing device of an air-cooled plastic extruder. The few tooth difference speed reducing device comprises an input shaft, a transmission mechanism and an output shaft arranged in a box body and driven in sequence, wherein an inner cylinder and a cylinder end cover are arranged in the boxes body; the inner cylinder is crossly connected to the output end of the box body, and is connected with the end surface of the output end of the box body by a flange; the output shaft is supported on the inner cylinder by two first bearings; the extension end of the output shaft is in muff coupling with a thrust cylinder; the thrust cylinder is fixedly connected to the outer end surface of the inner cylinder by a circular cover; a cylinder end cover is connected to the input end of the box body; the input shaft is supported on the cylinder end cover by two second bearings; the outer side end surface of the cylinder end cover and the end surface of the input end of the box body are tightly connected by a circular disc; the inner side end surface of the cylinder end cover is connected with the inner side end surface of the inner cylinder; and a closed clamping cavity is defined by the inner cylinder, the cylinder end cover and the inner wall of the box body. A few tooth difference cycloidal gear fits an inner ring gear to replace the parallel shaft transmission, so that the volume of the speed reducer is reduced, and the weight is decreased by 50-60%; and cycloidal gear teeth have no stress concentration points, so that the cycloidal teeth are always continuous, and the overload capacity is high.
Description
Technical field
The present invention relates to a kind of speed reducer, be specifically related to a kind of air-cooled plastic extruder few teeth difference speed reducer.
Background technique
Existing ZLYJ plastic speed reducer special for extruder be ZLY type two-stage parallel axis hard-tooth surface gear reducer thrust-bearing is set, in order to bear the improvement type of plastics machine screw axial power, have that volume is little, bearing capacity is high, stable drive, noise are low, efficiency high.According to speed reducer industry statistics, ZLYJ plastic speed reducer special for extruder, is one of special reduction gear product that the existing Domestic market Accounting amount of having is maximum, imitation producer is maximum.There are following two large defects in ZLYJ plastic speed reducer special for extruder:
1. in the plastic barrel that speed reducer front end connects, screw rod, in the condition of high temperature, causes oil temperature in decelerating chassis to rise, thereby the oily circulating cooler of pressure must be set, so that additionally increased manufacture cost and increased complete machine weight; 2. the lightweight degree of the driving of parallel axes is lower than Gear Planet Transmission, and Gear Planet Transmission comprises planet and the large class of few teeth difference (involute and cycloid) two.
Summary of the invention
For solving deficiency of the prior art, the object of the present invention is to provide with air-cooled alternative forced oil cooling radiator cooler to reduce manufacture cost; With few teeth difference cycloidal gear, coordinate with ring gear and replace the existing ZLYJ driving of parallel axes, to improve the lightweight degree of retarder; Bearing capacity is large, volume is little, lightweight a kind of air-cooled plastic extruder few teeth difference speed reducer.
For reaching above object, the technological scheme that the present invention takes is:
A kind of air-cooled plastic extruder few teeth difference speed reducer, comprise casing and be arranged in casing and input shaft, driving mechanism and the output shaft of transmission successively, it is characterized in that, in described casing, be provided with built-in cylinder and cylinder end cap, described built-in cylinder is connected to the output terminal of casing and is connected with casing output terminal 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 exterior edge face of built-in cylinder through circular ring cover; Described cylinder end cap is connected in casing input end, and described input shaft is supported on cylinder end cap through two the second bearings, between the outside end face of described cylinder end cap and casing input end end face, through circle ring disk, is tightly connected; The inner side end of described cylinder end cap is connected with the inner side end of built-in cylinder, the outer wall of the inwall of described casing and built-in cylinder and cylinder end cap encloses to connect and forms airtight folder chamber, described casing top is provided with the air outlet window in the airtight folder of UNICOM chamber, the side of casing is provided with axial-flow blower, described axial-flow blower exhaust outlet and airtight Jia Qiang UNICOM; Described driving mechanism comprises capacity eccentric bearing, cycloidal gear, ring gear and pin, the bearing hole at described cycloidal gear center is installed on the axle head of input shaft through capacity eccentric bearing, described ring gear is installed on the inner chamber of built-in cylinder, described cycloidal gear wheel and ring gear engagement driving, described cycloid wheel is connected with output shaft through pin.
Further, comprise two cycloid wheel, the phase difference of the capacity eccentric bearing that described two cycloid wheel are corresponding is 180 degree.
Again further, the outer surface of described cylinder end cap and built-in cylinder is provided with a plurality of heat radiation gussets.
Take after above technological scheme, beneficial effect of the present invention is:
1. with built-in cylinder, cylinder end cap and cabinet wall, enclose and be connected into airtight folder chamber, folder passes into circulating wind in chamber, by axial-flow blower, provides wind regime, and wind is discharged by air outlet window after circulation in folder chamber, simple in structure, thereby control, easy to adjust, reliability is high, low cost of manufacture.
2. to coordinate the replacement driving of parallel axes with ring gear with few teeth difference cycloidal gear, minimizing speed reducer volume, weight reducing 50-60%, there is not stress concentration point in cycloidal gear teeth, thereby cycloid never broken teeth, overload capacity are large.
Accompanying drawing explanation
Fig. 1 is 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 support 7, output shaft 8, air outlet window 9, ring gear 10, pin 11, cycloidal gear 12, cylinder end cap 13, capacity eccentric bearing 14, the second bearings 15, input shaft 16, circle ring disk 17, axial-flow blower 18, heat radiation gusset 19.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described:
As shown in the figure, a kind of air-cooled plastic extruder few teeth difference speed reducer, comprise casing 1 and be arranged in casing and the input shaft 16 of transmission successively, driving mechanism and output shaft 8, in described casing, be provided with built-in cylinder 2 and cylinder end cap 13, described built-in cylinder 2 is connected to the output terminal of casing 1 and is connected with casing 1 output terminal end face through flange, described output shaft 8 is supported on built-in cylinder 2 through two clutch shaft bearings 3, described clutch shaft bearing 3 outsides are provided with bearing support 7, described bearing support 7 endoporus coordinate with the outer ring that is socketed on the thrust roller bearing 4 on output shaft 8, the outside end face of described thrust roller bearing 4 is spacing by thrust cylinder 5, described thrust cylinder 5 is enclosed within output shaft 8 axle heads, described thrust cylinder 5 is by circular ring cover 6 axial limitings, described cylinder end cap 13 is connected in the input end of casing 1, and described input shaft 16 is supported in cylinder end cap 13 through two the second bearings 15, between the outside end face of described cylinder end cap 13 and casing 1 input end end face, through circle ring disk 17, is tightly connected, the inner side end of described cylinder end cap 13 is connected with the inner side end of built-in cylinder 2, the outer wall of the inwall of described casing 1 and built-in cylinder 2 and cylinder end cap 13 encloses to connect and forms airtight folder chamber, and the outer surface of described cylinder end cap 13 and built-in cylinder 2 is provided with a plurality of heat radiation gussets 19, described casing 1 top is provided with the air outlet window 9 in the airtight folder of UNICOM chamber, and the side of casing 1 is provided with axial-flow blower 18, described axial-flow blower 18 exhaust outlets and airtight Jia Qiang UNICOM,
Described driving mechanism comprises capacity eccentric bearing 14, cycloidal gear 12, ring gear 10 and pin 11, the bearing hole at described two cycloidal gear 12 centers is installed on the axle head of input shaft 16 through capacity eccentric bearing 14, the phase difference of two cycloid wheel is 180 degree, described ring gear 10 is installed on the inner chamber of built-in cylinder 2, described cycloidal gear 12 and ring gear 10 interval engagement driving, described cycloidal gear 12 is connected with output shaft 8 through pin 11.
Claims (3)
1. an air-cooled plastic extruder few teeth difference speed reducer, comprise casing and be arranged in casing and input shaft, driving mechanism and the output shaft of transmission successively, it is characterized in that, in described casing, be provided with built-in cylinder and cylinder end cap, described built-in cylinder is connected to the output terminal of casing and is connected with casing output terminal 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 exterior edge face of built-in cylinder through circular ring cover; Described cylinder end cap is connected in casing input end, and described input shaft is supported on cylinder end cap through two the second bearings, between the outside end face of described cylinder end cap and casing input end end face, through circle ring disk, is tightly connected; The inner side end of described cylinder end cap is connected with the inner side end of built-in cylinder, the outer wall of the inwall of described casing and built-in cylinder and cylinder end cap encloses to connect and forms airtight folder chamber, described casing top is provided with the air outlet window in the airtight folder of UNICOM chamber, the side of casing is provided with axial-flow blower, described axial-flow blower exhaust outlet and airtight Jia Qiang UNICOM; Described driving mechanism comprises capacity eccentric bearing, cycloidal gear, ring gear and pin, the bearing hole at described cycloidal gear center is installed on the axle head of input shaft through capacity eccentric bearing, described ring gear is installed on the inner chamber of built-in cylinder, described cycloidal gear wheel and ring gear engagement driving, described cycloid wheel is connected with output shaft through pin.
2. a kind of air-cooled plastic extruder few teeth difference speed reducer according to claim 1, is characterized in that, comprise two cycloid wheel, and the phase difference of the capacity eccentric bearing that described two cycloid wheel are corresponding is 180 degree.
3. a kind of air-cooled plastic extruder few teeth difference speed reducer according to claim 1, is characterized in that, the outer surface of described cylinder end cap and built-in cylinder is provided with a plurality of heat radiation gussets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335279.9A CN104196986B (en) | 2014-07-15 | A kind of air-cooled plastic extruder few teeth difference deceleration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335279.9A CN104196986B (en) | 2014-07-15 | A kind of air-cooled plastic extruder few teeth difference deceleration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104196986A true CN104196986A (en) | 2014-12-10 |
| CN104196986B CN104196986B (en) | 2017-01-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565309A (en) * | 2015-01-02 | 2015-04-29 | 李响 | Interlayer body zero-return-difference type general small-tooth-difference reduction box |
| CN105090378A (en) * | 2015-08-19 | 2015-11-25 | 钱达 | Harmonic speed reduction method and device |
| CN108527813A (en) * | 2018-04-20 | 2018-09-14 | 浙江厚普科技有限公司 | Without silk screen filter equipment and self sealss cooling transmission device |
| JP2021113619A (en) * | 2018-02-28 | 2021-08-05 | 住友重機械工業株式会社 | Eccentrically swinging speed reduction device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104565309A (en) * | 2015-01-02 | 2015-04-29 | 李响 | Interlayer body zero-return-difference type general small-tooth-difference reduction box |
| CN105090378A (en) * | 2015-08-19 | 2015-11-25 | 钱达 | Harmonic speed reduction method and device |
| JP2021113619A (en) * | 2018-02-28 | 2021-08-05 | 住友重機械工業株式会社 | Eccentrically swinging speed reduction device |
| CN108527813A (en) * | 2018-04-20 | 2018-09-14 | 浙江厚普科技有限公司 | Without silk screen filter equipment and self sealss cooling transmission device |
| CN108527813B (en) * | 2018-04-20 | 2024-04-12 | 浙江厚普科技有限公司 | Silk-screen-free filtering equipment and self-sealing cooling transmission device |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20200715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |