CN204420005U - A kind of cam bawl gapless reducer structure - Google Patents
A kind of cam bawl gapless reducer structure Download PDFInfo
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- CN204420005U CN204420005U CN201520054384.5U CN201520054384U CN204420005U CN 204420005 U CN204420005 U CN 204420005U CN 201520054384 U CN201520054384 U CN 201520054384U CN 204420005 U CN204420005 U CN 204420005U
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Abstract
The utility model discloses a kind of cam bawl gapless reducer structure, comprise casing, described box outer surface is provided with flat attachment face, attachment face offers fixed hole, in described casing, activity arranges orthogonal cam input shaft and tower output shaft, and many needle bearings that the cam curved surface of cam input shaft and tower output shaft are installed are the meshing state of gapless, the two ends of described cam input shaft are fixed on casing by Eccentric Bearing seat, and described Eccentric Bearing seat is fixed in the mounting hole of box outer surface by locking nut.Solve some produce and processing precise product or component use common retarder time, the technical barrier that the gap due to common retarder is brought; Input shaft and output shaft are designed with the input output Placement of many types of formula, more can adapt to input power and the connection exporting workpiece tool.
Description
Technical field
The utility model relates to a kind of retarder, specifically a kind of cam bawl gapless reducer structure.
Background technique
The retarder of current several actuation types: gear reducer, worm type of reduction gearing and plane table thermoconductivity meter.Gear reducer, small gear becomes meshing state to assemble with gearwheel, rotate input shaft small gear and drive gearwheel output shaft rotation, reach the object of deceleration; Worm type of reduction gearing, input shaft worm spiral tooth becomes meshing state to assemble with output shaft worm gear circle-arc tooth, rotates input shaft helical tooth and drives circle-arc tooth worm-gear output shaft to rotate, reach the object of deceleration; Plane table thermoconductivity meter, general one end output shaft being placed in retarder inside processes a large end face, again by three band mandrels can the driven gear of rotation centered by the output shaft center of circle, the uniform large end face being installed on output shaft, input shaft small gear is placed in three can become meshing state in the middle of rotation driven gear, rotating input shaft small gear drives driven gear to rotate, and driven gear mandrel drives output shaft rotation, namely reaches the object of deceleration.
The driving pattern of these three kinds of retarders above: the binding site of input part and output is all installed with meshing state, but their binding site not exclusively meshing must stay certain interval, will hard friction be produced between them as very close to each other thus cause from damaging; These retarders are longer for service time, because friction gap can increase again to some extent; In some production enterprises and processing type factory, relate to the production of some precision parts and add man-hour, generally all design and produce small, dedicated machine, when these special machines will use retarder, the processed finished products caused to parts due to the gap of retarder is unstable, type position precision is undesirable, and up-to-standard rate difficulty promotes, if processing cost is too high again on standard numerical control device; The pattern of the pto input shaft of tradition retarder is more single, sometimes inconvenient when being connected with the input power of many types of formula and output tool connects.
Model utility content
The purpose of this utility model is to provide a kind of cam bawl gapless reducer structure, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of cam bawl gapless reducer structure, comprise eccentric bearing block, casing, cam input shaft, cam curved surface, locking nut, needle bearing and tower output shaft, described box outer surface is provided with flat attachment face, attachment face offers fixed hole, in described casing, activity arranges orthogonal cam input shaft and tower output shaft, and many needle bearings that the cam curved surface of cam input shaft and tower output shaft are installed are the meshing state of gapless, the two ends of described cam input shaft are fixed on casing by Eccentric Bearing seat, described Eccentric Bearing seat is fixed in the mounting hole of box outer surface by locking nut.
As further program of the utility model: the non-installation contact surface of described casing is provided with Ge Shan.
As further program of the utility model: described cam curved surface has any 360 degree and rotates uniform velocity curved surface.
As further program of the utility model: the circumference of described tower output shaft is according to the needle bearing of the uniform installation respective numbers of reduction speed ratio.
As further program of the utility model: described needle bearing is made up of roller, roller, outer ring and back-up ring, the roller active section cover of described roller has outer ring, the inwall of outer ring and the outer surface of roller active section are provided with roller, the top of described outer ring is provided with back-up ring, and the roller positioning section of roller is arranged on the outer surface of output shaft.
As further program of the utility model: the combination of described cam input shaft and tower output shaft contains: hollow input shaft and hollow output shaft combination, mandrel input shaft and the combination of mandrel output shaft, hollow input shaft and the combination of flange output shaft, twin-core axle input shaft and twin-core axle output shaft, multiple combination pattern.
Compared with prior art, the beneficial effects of the utility model are: the curved cam any for the cam input shaft Processing Curve of input part 360 degree being rotated uniform velocity, and output output shaft control tower circumference equal dividing installs the full roller-type needle bearing of accurate high strength.Input shaft becomes axes normal to install with output shaft, make input shaft cam curved surface and output shaft many needle bearings be pre-stressed to the meshing state of best Non-intermittent simultaneously, rotate input shaft, isovel face drives needle bearing to drive output shaft rotation, and arbitrarily angled gapless.Solve some produce and processing precise product or component use common retarder time, the technical barrier that the gap due to common retarder is brought; Input shaft and output shaft are designed with the input output Placement of many types of formula, more can adapt to input power and the connection exporting workpiece tool.
Accompanying drawing explanation
Fig. 1 is the utility model cam reductor sectional block diagram.
Fig. 2 is the utility model cam reductor side view.
Fig. 3 is the utility model cam reductor cam input shaft stereogram.
Fig. 4 is the tower output shaft stereogram of the utility model cam reductor.
Fig. 5 is the utility model cam reductor input shaft cam curved surface and the meshing figure of output shaft needle bearing.
Fig. 6 is the cam reductor of twin-core axle input shaft and the combination of twin-core axle output shaft.
Fig. 7 is the cam reductor of mandrel input shaft and the combination of mandrel output shaft.
Fig. 8 is the cam reductor of hollow input shaft and the combination of flange output shaft.
Fig. 9 is the cam reductor of hollow input shaft and hollow output shaft combination.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 9, in the utility model embodiment, a kind of cam bawl gapless reducer structure, comprise eccentric bearing block 20, casing 21, cam input shaft 11, cam curved surface 03, locking nut 23, needle bearing 12 and tower output shaft 13, described casing 21 outer surface is provided with flat attachment face, attachment face offers fixed hole, in order to install input and output shaft, and the non-installation contact surface of casing 21 is provided with Ge Shan, the surface area of casing 21 can be increased, improve radiating efficiency, in described casing 21, activity arranges orthogonal cam input shaft 11 and tower output shaft 13, and many needle bearings 12 that the cam curved surface 03 of cam input shaft 11 and tower output shaft 13 are installed are the meshing state of gapless, meshing owing to being many needle bearings 12 and cam curved surface 03 precompressed simultaneously, so the intensity of load improving output of also maximum possible, described cam curved surface 03 has any 360 degree and rotates uniform velocity curved surface.
The two ends of described cam input shaft 11 are fixed on casing 21 by Eccentric Bearing seat 20, described Eccentric Bearing seat 20 is fixed on by locking nut 23 in the mounting hole of casing 21 outer surface, by regulating the degree of tightness of locking nut 23, rotating eccentricity bearing support 20 gets final product the centre distance between adjustment cam input shaft 11 and tower output shaft 13, make cam curved surface 03 and needle bearing 12 be pre-stressed to the meshing state of best gapless, the circumference of described tower output shaft 13 is according to the needle bearing of the uniform installation respective numbers of reduction speed ratio.
Described needle bearing 12 is made up of roller 501, roller 502, outer ring 503 and back-up ring 504, roller active section 605 cover of described roller 501 has outer ring 503, the inwall of outer ring 503 and the outer surface of roller active section 605 are provided with roller 502, the top of described outer ring 503 is provided with back-up ring 504, and the roller positioning section 606 of roller 501 is arranged on the outer surface of output shaft 213.
The two ends of the input part cam input shaft 11 of this practicality also comprise and are arranged at described casing outside and inner circular taper roller bearing, O type circle and oil sealing, so that the sealing of input part and operation, this is prior art, does not illustrate herein;
The two ends of the tower output shaft of output 13 of this practicality also comprise and are arranged at described box house and outer conical roller bearing, bearing support, O type circle, oil sealing and retaining screw, so that the sealing of input part and operation, this is prior art, does not illustrate herein;
The input and output shaft of described cam reductor can be designed to the combination of many types of formula, as: hollow input shaft 31 and hollow output shaft 32 combine, mandrel input shaft 33 and mandrel output shaft 34 combines, hollow input shaft 31 and flange output shaft 35 combines, twin-core axle input shaft 36 and twin-core axle output shaft 37, wait multiple pattern.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (6)
1. a cam bawl gapless reducer structure, comprise eccentric bearing block (20), casing (21), cam input shaft (11), cam curved surface (03), locking nut (23), needle bearing (12) and tower output shaft (13), described casing (21) outer surface is provided with flat attachment face, attachment face offers fixed hole, it is characterized in that, described casing (21) interior activity arranges orthogonal cam input shaft (11) and tower output shaft (13), and upper many needle bearings (12) installed of the cam curved surface (03) of cam input shaft (11) and tower output shaft (13) in gapless meshing state, the two ends of described cam input shaft (11) are fixed on casing (21) by Eccentric Bearing seat (20), described Eccentric Bearing seat (20) is fixed in the mounting hole of casing (21) outer surface by locking nut (23).
2. a kind of cam bawl gapless reducer structure according to claim 1, is characterized in that, the non-installation contact surface of described casing (21) is provided with Ge Shan.
3. a kind of cam bawl gapless reducer structure according to claim 1, is characterized in that, described cam curved surface (03) has any 360 degree and rotates uniform velocity curved surface.
4. a kind of cam bawl gapless reducer structure according to claim 1, is characterized in that, the circumference of described tower output shaft (13) is according to the needle bearing of the uniform installation respective numbers of reduction speed ratio.
5. a kind of cam bawl gapless reducer structure according to claim 1, it is characterized in that, described needle bearing (12) is by roller (501), roller (502), outer ring (503) and back-up ring (504) composition, roller active section (605) cover of described roller (501) has outer ring (503), the inwall of outer ring (503) and the outer surface of roller active section (605) are provided with roller (502), the top of described outer ring (503) is provided with back-up ring (504), and the roller positioning section (606) of roller (501) is arranged on the outer surface of output shaft (213).
6. a kind of cam bawl gapless reducer structure according to claim 1, it is characterized in that, the combination of described cam input shaft (11) and tower output shaft (13) contains: hollow input shaft (31) and hollow output shaft (32) combination, mandrel input shaft (33) and mandrel output shaft (34) combination, hollow input shaft (31) and flange output shaft (35) combine, twin-core axle input shaft (36) and twin-core axle output shaft (37), multiple combination pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520054384.5U CN204420005U (en) | 2015-01-23 | 2015-01-23 | A kind of cam bawl gapless reducer structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520054384.5U CN204420005U (en) | 2015-01-23 | 2015-01-23 | A kind of cam bawl gapless reducer structure |
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| CN204420005U true CN204420005U (en) | 2015-06-24 |
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| CN201520054384.5U Active CN204420005U (en) | 2015-01-23 | 2015-01-23 | A kind of cam bawl gapless reducer structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110249156A (en) * | 2017-02-28 | 2019-09-17 | 株式会社三共制作所 | Roller gear cam mechanism |
| CN111015253A (en) * | 2019-12-31 | 2020-04-17 | 苏州古田自动化科技有限公司 | Five-axis structure of cam-type cradle |
| CN113385704A (en) * | 2021-07-07 | 2021-09-14 | 苏州古田自动化科技有限公司 | A integral type cam sword tower for horizontal lathe |
| CN116044957A (en) * | 2023-04-03 | 2023-05-02 | 成都中良川工科技有限公司 | Roller envelope speed reducer with adjustable back clearance |
-
2015
- 2015-01-23 CN CN201520054384.5U patent/CN204420005U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110249156A (en) * | 2017-02-28 | 2019-09-17 | 株式会社三共制作所 | Roller gear cam mechanism |
| CN110249156B (en) * | 2017-02-28 | 2022-11-25 | 株式会社三共制作所 | Roller gear cam mechanism |
| CN111015253A (en) * | 2019-12-31 | 2020-04-17 | 苏州古田自动化科技有限公司 | Five-axis structure of cam-type cradle |
| CN113385704A (en) * | 2021-07-07 | 2021-09-14 | 苏州古田自动化科技有限公司 | A integral type cam sword tower for horizontal lathe |
| CN116044957A (en) * | 2023-04-03 | 2023-05-02 | 成都中良川工科技有限公司 | Roller envelope speed reducer with adjustable back clearance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1000, Huayang Road, Zhoushi Town, Kunshan City, Jiangsu Province 215313 Patentee after: Jiangsu Gutian Automation Co.,Ltd. Address before: No. 325, Qingyang North Road, Zhoushi Town, Kunshan City, Jiangsu Province, 215000 Patentee before: SUZHOU FURUTA AUTOMATION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |