CN204083083U - A kind of electric threading machine variable speed model speed reducer - Google Patents
A kind of electric threading machine variable speed model speed reducer Download PDFInfo
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- CN204083083U CN204083083U CN201420510796.0U CN201420510796U CN204083083U CN 204083083 U CN204083083 U CN 204083083U CN 201420510796 U CN201420510796 U CN 201420510796U CN 204083083 U CN204083083 U CN 204083083U
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Abstract
A kind of electric threading machine variable speed model speed reducer, comprise sun gear, casing, planet wheel, two axles, three axles, shift fork and work drive motor, described sun gear is connected to the output shaft of work drive motor and engages with described planet wheel, planet wheel engages with the gear ring be fixed in casing again, bearing is provided with in planet wheel, planet carrier is set up in bearing, described two axles are respectively equipped with two axle master gears from top to bottom, two axle gearwheels and two axle small gears, the gears meshing of two axle master gears and planet carrier, the splined shaft of described three axles is provided with the duplicate gear that can slide up and down, described shift fork is connected with duplicate gear, stirring by shift fork, duplicate gear can respectively at two axle gearwheels and the engagement of two axle small gears.The utility model realizes the speed change request of equipment speed two grades, expands the machining range of equipment, the structure of optimized device and assembly technology, reduces noise during equipment work, reduces production and processing and maintenance cost, increases reliability and the versatility of equipment.
Description
Technical field
The utility model relates to a kind of speed reducer, particularly a kind of electric threading machine variable speed model speed reducer.
Background technique
The application of electric threading machine market is comparatively wide, and traditional 3 cun and 4 cun of electric threading machines, install a work drive motor, by gear reduction box, after being carried out by work drive motor slowing down, increasing and turn round, send power to large fluted disc, large fluted disc drives workpiece motion s again, realizes mantle fiber work.Speed reducer is the important core parts that electric threading machine realizes work.Market existing die head threading machine speed reducer scheme has two kinds usually, and one primary transmission is designed to NGW planet form, secondary, three grades of deceleration schemes adopting single engagement straight-tooth or helical teeth to realize stable drive ratio; Another adopts multistage single cylindrical straight-tooth or helical teeth transmission, and usually adopt the transmission scheme of 4 to 5 grades, output terminal adopts the design proposal by the speed change in conjunction with tooth.
Adopt the speed reducer of NGW Gear Planet Transmission, although in manufacture cost, equipment noise control, there is improvement assembly technology aspect, but the speed reducer of existing NGW planet design form can not the requirement of consolidation speed, and the scope of suitable device and machining range receive certain restriction; Adopt the gear-driven variable speed model speed reducer of multistage single cylindrical, market adopts for many years, and it is large that the shortcoming that the end user of equipment generally reacts mainly contains noise, and repair rate is high, and the shortcoming of device fabrication side's reaction has speed reducer to make difficulty, and it is high to scrap repair rate.By the technical Analysis to multistage single cylindrical gear graduation structure, due to each pair of gears meshing, have two-stage rotating speed more than 1000 turns, the reduction speed ratio that firsts and seconds realizes is little, and the noise source of generation increases, and noise is just large.Further analysis, because the rotating speed of motor input is higher, the requirement on machining accuracy of part is high, and the assembly precision of speed reducer requires also high, is that device fabrication side makes difficult and that scrappage is high main cause.The variable speed model speed reducer scheme of Multi-stage transmission, usually increase mode in conjunction with tooth is adopted at output terminal, by realizing becoming in conjunction with the gears meshing of the different speed ratio of heel, when manufacturing, multiple part can be increased realize, increase processing cost and assembly technology difficulty, failure rate also improves thereupon.
Model utility content
The utility model will solve the problem of prior art, a kind of electric threading machine speed reducer with speed changing function is provided, and by optimizing gearbox structure and assembly technology, reduces noise during speed reducer work, reduce production and processing and maintenance cost, increase reliability and the versatility of speed reducer.
For achieving the above object, a kind of electric threading machine variable speed model speed reducer of the present utility model, comprise sun gear, casing, planet wheel, case lid, two axles, three axles, shift fork and work drive motor, described sun gear is connected to the output shaft of work drive motor and engages with described planet wheel, planet wheel engages with the gear ring be fixed in described casing again, bearing is provided with in planet wheel, planet carrier is set up in bearing, described two axles are respectively equipped with two axle master gears from top to bottom, two axle gearwheels and two axle small gears, the gears meshing of two axle master gears and planet carrier, the splined shaft of described three axles is provided with the duplicate gear that can slide up and down, described shift fork is connected with duplicate gear, stirring by shift fork, duplicate gear can respectively at two axle gearwheels and the engagement of two axle small gears.After work drive motor runs, sun gear drives planet wheel to walk in gear ring as power input gear, planet wheel by transmission of power to planet carrier, planet carrier passes through two axle master gears again by transmission of power to two axle, by shift fork stir the duplicate gear on three axles is engaged with two axle gearwheels time, achieve fast shelves, when engaging with two axle small gears, achieve slow shelves.
Further, stirring by shift fork, described duplicate gear can also be allocated to the neutral position of two axle gearwheels and two axle small gears, achieves neutral gear, not the power of output services motor.
Further, described planet wheel is three.This kind of structure driven efficiency is high, and stable drive, noise is low.
Further, described planet carrier is connected with bearing by planet carrier shaft, and bearing is fixedly connected in case lid; Described two axles and three axle two ends are provided with bearing, and bearing is fixedly connected in casing and case lid.
Further, described bearing and casing and case lid fixed connection place are provided with stifle.Stifle can be opened, and maintains easily maintenance.
Further, described three axles are pto＝power take-off, and the extension of three axles is engaged with the large fluted disc on mantle fiber body.Transmission of power to large fluted disc, can be carried out mantle fiber processing to workpiece by three axles.
The beneficial effects of the utility model are: the speed change request achieving equipment speed two grades, expand the machining range of equipment, the structure of optimized device and assembly technology, reduce noise during equipment work, reduce production and processing and maintenance cost, increase reliability and the versatility of equipment.
Accompanying drawing explanation
Accompanying drawing 1 is structural blast figure of the present utility model.
Accompanying drawing 2 is fundamental diagrams of the present utility model.
Accompanying drawing 3 is the plan views using electric threading machine of the present utility model.
Accompanying drawing 4 is left views of Fig. 3.
1, sun gear; 2, casing; 3, gear ring; 4, planet wheel; 5, bearing; 6, planet carrier; 7, planet carrier shaft; 8, stifle; 9, case lid; 10, two axle master gears; 11, two axle gearwheels; 12, three axles; 13, two axles; 14, duplicate gear; 15, bearing; 16, shift fork; 17, two axle small gears; 18, large fluted disc; 19, work drive motor; 20, mantle fiber body; 21, bearing.
Embodiment
Below by embodiment, the utility model is further described.
See Fig. 1 and Fig. 2, a kind of electric threading machine variable speed model speed reducer, comprise sun gear 1, casing 2, planet wheel 3, case lid 9, two axles 13, three axles 12, shift fork 16 and work drive motor 19, described sun gear 1 is connected to the output shaft of work drive motor 19 and engages with described planet wheel 3, planet wheel 3 engages with the gear ring 3 be fixed in described casing 2 again, bearing 5 is provided with in planet wheel 3, planet carrier 6 is set up in bearing 5, described two axles 13 are respectively equipped with two axle master gears 10 from top to bottom, two axle gearwheel 11 and two axle small gears 17, the gears meshing of two axle master gears 10 and planet carrier 6, the splined shaft of described three axles 12 is provided with the duplicate gear 14 that can slide up and down, described shift fork 16 is connected with duplicate gear 14, by stirring of shift fork 16, duplicate gear 14 can engage respectively at two axle gearwheels 11 and two axle small gears 17.By stirring of shift fork 16, described duplicate gear 14 can also be allocated to the neutral position of two axle gearwheels 11 and two axle small gears 17.Wherein, described planet wheel 3 is three, and this kind of structure driven efficiency is high, and stable drive, noise is low.Wherein, described planet carrier 6 is connected with bearing 21 by planet carrier shaft 7, and bearing 21 is fixedly connected in case lid 9, and described two axles 13 and three axle 12 two ends are provided with bearing 15, and bearing 15 is fixedly connected in casing 2 and case lid 9.Wherein, described bearing 15 and bearing 21 are provided with stifle 8 with casing 2 and case lid 9 fixed connection place, and stifle 8 can be opened, and maintains easily maintenance.See Fig. 3 and Fig. 4, described three axles 12 are pto＝power take-off, and the extension of three axles 12 is engaged with the large fluted disc 18 on mantle fiber body 20.
During concrete enforcement, as shown in Figure 2, after work drive motor 19 runs, sun gear 1 drives planet wheel 4 to walk in gear ring 3 as input shaft, planet wheel 4 by transmission of power to planet carrier 6, planet carrier 6 passes through two axle master gears 10 again by transmission of power to two axle 13, by shift fork 16, when the duplicate gear 14 dialled on dynamic triaxial 12 engages with two axle gearwheels 11, achieve fast shelves, when the duplicate gear 14 dialled on dynamic triaxial 12 engages with two axle small gears 17, achieve slow shelves, in addition, the position between duplicate gear 14 to two axle gearwheel 11 on dynamic triaxial 12 and two axle small gears 17 can also be dialled, achieve neutral gear, the not power of output services motor 19.Finally, transmission of power to large fluted disc 18, can be carried out cover wire process to workpiece by three axles 12.
Specific embodiment of the utility model is only described in upper, but structure characteristic of the present utility model is not limited thereto, the utility model may be used on similar product, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.
Claims (7)
1. an electric threading machine variable speed model speed reducer, comprise sun gear (1), casing (2), planet wheel (3), case lid (9), two axles (13), three axles (12), shift fork (16) and work drive motor (19), described sun gear (1) is connected to the output shaft of work drive motor (19) and engages with described planet wheel (3), planet wheel (3) engages with the gear ring (3) be fixed in described casing (2) again, bearing (5) is provided with in planet wheel (3), planet carrier (6) is set up in bearing (5), it is characterized in that: described two axles (13) are respectively equipped with two axle master gears (10) from top to bottom, two axle gearwheels (11) and two axle small gears (17), the gears meshing of two axle master gears (10) and planet carrier (6), the splined shaft of described three axles (12) is provided with the duplicate gear that can slide up and down (14), described shift fork (16) is connected with duplicate gear (14), by stirring of shift fork (16), duplicate gear (14) can respectively at two axle gearwheels (11) and the engagement of two axle small gears (17).
2. a kind of electric threading machine variable speed model speed reducer according to claim 1, is characterized in that: by stirring of shift fork (16), and described duplicate gear (14) can also be allocated to the neutral position of two axle gearwheels (11) and two axle small gears (17).
3. a kind of electric threading machine variable speed model speed reducer according to claim 1, is characterized in that: described planet wheel (3) is three.
4. a kind of electric threading machine variable speed model speed reducer according to claim 1, it is characterized in that: described planet carrier (6) is connected with bearing (21) by planet carrier shaft (7), bearing (21) is fixedly connected in case lid (9).
5. a kind of electric threading machine variable speed model speed reducer according to claim 4, is characterized in that: described bearing (21) is provided with stifle (8) with the fixed connection place of case lid (9).
6. a kind of electric threading machine variable speed model speed reducer according to claim 1, it is characterized in that: described two axles (13) and three axles (12) two ends are provided with bearing (15), bearing (15) is fixedly connected in casing (2) and case lid (9).
7. a kind of electric threading machine variable speed model speed reducer according to claim 6, is characterized in that: described bearing (15) is provided with stifle (8) with the fixed connection place of casing (2) and case lid (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420510796.0U CN204083083U (en) | 2014-09-05 | 2014-09-05 | A kind of electric threading machine variable speed model speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420510796.0U CN204083083U (en) | 2014-09-05 | 2014-09-05 | A kind of electric threading machine variable speed model speed reducer |
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| CN204083083U true CN204083083U (en) | 2015-01-07 |
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| CN201420510796.0U Active CN204083083U (en) | 2014-09-05 | 2014-09-05 | A kind of electric threading machine variable speed model speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268450A (en) * | 2018-10-25 | 2019-01-25 | 张秘来 | Second level diameter differential teeth planetary wheel drive mechanism |
-
2014
- 2014-09-05 CN CN201420510796.0U patent/CN204083083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268450A (en) * | 2018-10-25 | 2019-01-25 | 张秘来 | Second level diameter differential teeth planetary wheel drive mechanism |
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