CN202507107U - Planetary transmission mechanism and milling and boring machine - Google Patents
Planetary transmission mechanism and milling and boring machine Download PDFInfo
- Publication number
- CN202507107U CN202507107U CN2012201065495U CN201220106549U CN202507107U CN 202507107 U CN202507107 U CN 202507107U CN 2012201065495 U CN2012201065495 U CN 2012201065495U CN 201220106549 U CN201220106549 U CN 201220106549U CN 202507107 U CN202507107 U CN 202507107U
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- Prior art keywords
- sun gear
- transmission mechanism
- epicyclic transmission
- gear
- output shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000003801 milling Methods 0.000 title abstract description 4
- 239000000498 cooling water Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002950 deficient Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model provides a planetary transmission mechanism and a milling and boring machine. The planetary transmission mechanism comprises a first-stage sun gear, a first-stage planetary gear, a second-stage sun gear, a second-stage planetary gear and a planetary rotating shaft, wherein the first-stage sun gear is connected with an input shaft and meshed with the first-stage planetary gear; the second-stage sun gear is connected with an output shaft and meshed with the second-stage planetary gear; and the first-stage planetary gear and the second-stage planetary gear are arranged on the same planetary rotating shaft. Two-stage planetary gear transmission is adopted, so that a transmission structure is simplified, and cost is reduced.
Description
Technical field
The utility model relates to a kind of gear drive, is meant a kind of epicyclic transmission mechanism and milling-boring machine especially.
Background technology
Floor type boring and milling machine is the machine tool that is used to process turntable, and milling boring power is mainly provided by the interchange main axle servo motor that is fixed in main spindle box, and is delivered on the boring axle through multi-stage gear speed change and spline structure.This kind kind of drive has following defective: gear progression causes box body hole too much more, and processing difficulties, axiality are difficult to guarantee.
The utility model content
In order to overcome the above-mentioned defective and the deficiency of prior art, the utility model proposes a kind of epicyclic transmission mechanism and milling-boring machine, to simplify drive mechanism, reduces cost.
On the one hand, the utility model proposes a kind of epicyclic transmission mechanism, comprises one-level sun gear, one-level planetary gear, secondary sun gear, secondary planet wheel and planet rotating shaft; Wherein said one-level sun gear is used for being connected with power shaft, and said secondary sun gear is used for being connected with output shaft; And said one-level sun gear is meshed with said one-level planetary gear, and said secondary sun gear is meshed with said secondary planet wheel; And said one-level planetary gear and said secondary planet wheel is installed in the said planet rotating shaft.
Further, be provided with the cooling-water duct that communicates with each other in said power shaft, one-level sun gear and the output shaft.
Further, also comprise casing and the end cap that is used to install epicyclic transmission mechanism; Wherein said end cap is connected with the port of said casing, is used to cover said port; Said one-level sun gear one end is extended with axle sleeve structure, and said axle sleeve structure is being installed on the said end cap, and said power shaft is installed in the said axle sleeve structure; Said output shaft is installed on the said casing, and with said power shaft coaxial arrangement, said secondary sun gear is installed on the said output shaft.
Further, said planet rotating shaft one end is installed on said casing, and the other end is installed on said end cap, and through being installed on the outer ring flange of end cap axial location is carried out in said planet rotating shaft.
Further, be provided with sealing device between said end cap and the said casing.
Further, said power shaft is fixedly connected through the tensioner cover with said axle sleeve structure.
Further, said output shaft is fixedly connected through the tensioner cover with said secondary sun gear.
The utility model adopts the two-stage planet transmission to realize the function of multi-stage gear transmission, has simplified drive mechanism, has reduced processing cost.
On the other hand; The utility model also proposes a kind of milling-boring machine; Comprise motor, gear drive and boring bar; Said gear drive is top each described epicyclic transmission mechanism, and the one-level sun gear in the epicyclic transmission mechanism is connected with the output shaft of motor, and the secondary sun gear in the epicyclic transmission mechanism is connected with boring bar.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the stereogram 1 of the utility model epicyclic transmission mechanism embodiment;
Fig. 2 is the stereogram 2 of the utility model epicyclic transmission mechanism embodiment;
Fig. 3 is the structural representation of the utility model epicyclic transmission mechanism embodiment;
Fig. 4 is the A-A cutaway view of epicyclic transmission mechanism embodiment shown in Figure 3;
Fig. 5 is the utility model epicyclic transmission mechanism embodiment cooling-water duct cutaway view;
Fig. 6 is the partial enlarged drawing of A position shown in Fig. 4.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1-Fig. 3, the present embodiment epicyclic transmission mechanism comprises one-level sun gear 13, one-level planetary gear 9, secondary sun gear 3, secondary planet wheel 8 and planet rotating shaft 5.One-level sun gear 13 is used for being connected with power shaft 14, and secondary sun gear 3 is used for being connected with output shaft 4.One-level sun gear 13 is meshed with one-level planetary gear 9, and secondary sun gear 3 and secondary planet wheel 8 is meshed, and one-level planetary gear 9 and secondary planet to take turns 8 quantity identical, and each corresponding planetary gear is installed in the same planet rotating shaft 5.This epicyclic transmission mechanism is given output shaft 4 through the two-stage Gear Planet Transmission with the transmission of power of power shaft 14.
Need to prove: because taking turns 9 with secondary planet, one-level planetary gear 8 is installed in the same planet rotating shaft 5, so one-level sun gear 13 also needs coaxial arrangement with secondary sun gear 3, i.e. the dead in line of power shaft 14 and output shaft 4.
Preferably, be provided with the cooling-water duct 18 that communicates with each other in power shaft 14, one-level sun gear 13 and the output shaft 4, during work, in cooling-water duct, inject cooling water, can the cutter that be installed in output shaft 4 sides be cooled off.Adopt the cooperation of boss and groove to realize interconnecting of inner cooling-water duct between power shaft 14, one-level sun gear 13 and the output shaft 4, the concrete fit system of one-level sun gear 13 and output shaft 4 is referring to Fig. 5, Fig. 6.The end that output shaft 4 is positioned at casing is provided with groove 4A, and the first cooling-water duct 4B that is arranged in the output shaft 4 is connected with groove 4A.The end of one-level sun gear 13 is provided with boss 13A, and the first cooling-water duct 13B in the one-level sun gear 13A runs through boss 13A.Boss 13A and groove 4A cooperate installation, and between the two, are provided with rotary seal ring 15, so that cooling-water duct is sealed.When one-level sun gear 13 rotated with output shaft 4, boss 13A can rotate in groove 4A.During practical implementation, also can boss be set, groove be set, as long as two cooling-water ducts communicate with each other at the axle head of one-level sun gear 13 at the axle head of output shaft 4.In addition, the mode of communicating of cooling-water duct is same as described above between one-level sun gear 13 and the power shaft 14, and concrete structure gets final product with reference to above-mentioned explanation.Only provided a kind of embodiment that cooling-water duct interconnects above should be noted in the discussion above that, also can adopt other usual manner to be communicated with, the utility model is enumerated at this no longer one by one.
The utility model embodiment also comprises the casing 7 and end cap 10 that is used to install this epicyclic transmission mechanism, and concrete structure is referring to Fig. 4, Fig. 5.Wherein end cap 10 is fixedly connected with the port of casing 7 through bolt, is used to cover this port, and at the link position of end cap 10 and casing 7 sealing strip 17 is set.One end of one-level sun gear 13 is extended with an axle sleeve structure 131, and end cap 10 is provided with an axis hole, and axle sleeve structure 131 is rotatably installed in this axis hole, and power shaft 14 is arranged in the axle sleeve structure 131.Casing 7 is provided with the output shaft axis hole with end cap 10 opposed bottom surface, and output shaft 4 passes the output shaft axis hole and is connected with secondary sun gear 3.Planet rotating shaft 5 one ends are installed on the casing 7 through bearing 1, and the other end is installed on the end cap 10 through bearing, and ring flange 11 is fixed on the outside of end cap 10 through screw 6, is used for axial location is carried out in planet rotating shaft 5.
Can overlap 12 through tensioner between power shaft 14 and the one-level sun gear 13 in the present embodiment and be connected, be fixedly connected through tensioner cover 2 between output shaft 4 and the secondary sun gear 3, during practical implementation, also can adopt other usual manner to connect.
During work, power shaft 14 is placed in the axle sleeve structure 131 of one-level sun gear 13 ends, and is fixed through tensioner cover 12.Drive device drives power shaft 14 rotates, and power shaft 14 drives one-level sun gear 13 and rotates, reaches one-level planetary gear 9 rotations that are meshed with the one-level sun gear.Because secondary planet wheel 8 is installed in the same planet rotating shaft 5 with one-level planetary gear 9; So secondary planet wheel 8 rotates with one-level planetary gear 9 synchronously; The rotation of secondary planet wheel 8 has driven the secondary sun gear 3 that is meshed with it and has rotated; Secondary sun gear 3 is installed on the output shaft 4, and power is exported.
Compare with existing multi-gear transmission, the utlity model has following advantage:
1) the utility model adopts the two-stage planet transmission to replace traditional multi-stage gear transmission, has simplified drive mechanism, has reduced cost.
2) in power shaft and output shaft, be provided with cooling-water duct, inject cooling water during work, can carry out water-cooled to the cutter that is installed in the output shaft side, cooling means is simple, and is easy to implement.
Milling-boring machine embodiment:
The utility model proposes a kind of milling-boring machine, comprises motor 16, epicyclic transmission mechanism and boring bar, and epicyclic transmission mechanism is same with the above-mentioned embodiment, and concrete structure gets final product with reference to above-mentioned explanation.Wherein the output shaft of motor 16 is connected with the one-level sun gear 13 of epicyclic transmission mechanism as the power shaft 14 of epicyclic transmission mechanism.The power shaft of boring bar is connected with the secondary sun gear 3 of epicyclic transmission mechanism as the output shaft 4 of epicyclic transmission mechanism.
The utility model milling-boring machine adopts epicyclic transmission mechanism, compares with the multi-gear transmission, has simplified transmission mechanism, and because motor and boring bar are positioned on the same axis, boring bar length shortens greatly, has reduced difficulty of processing, has reduced processing cost.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. an epicyclic transmission mechanism is characterized in that, comprises one-level sun gear (13), one-level planetary gear (9), secondary sun gear (3), secondary planet wheel (8) and planet rotating shaft (5); Wherein
Said one-level sun gear (13) is used for being connected with power shaft (14), and said secondary sun gear (3) is used for being connected with output shaft (4); And
Said one-level sun gear (13) is meshed with said one-level planetary gear (9), and said secondary sun gear (3) is taken turns (8) with said secondary planet and is meshed; And
Said one-level planetary gear (9) and said secondary planet wheel (8) are installed in the said planet rotating shaft (5).
2. epicyclic transmission mechanism according to claim 1 is characterized in that, is provided with the cooling-water duct (18) that communicates with each other in said power shaft (14), one-level sun gear (13) and the output shaft (4).
3. according to claim 1 or the described epicyclic transmission mechanism of claim 2, it is characterized in that, also comprise the casing (7) and the end cap (10) that are used to install epicyclic transmission mechanism; Wherein
Said end cap (10) is connected with the port of said casing (7), is used to cover said port;
Said one-level sun gear (13) one ends are extended with axle sleeve structure (131), and said axle sleeve structure (131) is installed on the said end cap (10), and said power shaft (14) is installed in the said axle sleeve structure (131);
Said output shaft (4) is installed on the said casing (7), and with said power shaft (14) coaxial arrangement, said secondary sun gear (3) is installed on the said output shaft (4).
4. epicyclic transmission mechanism according to claim 3; It is characterized in that; Said planet rotating shaft (5) one ends are installed on said casing (7), and the other end is installed on said end cap (10), and through being installed on the outer ring flange (11) of end cap (10) axial location are carried out in said planet rotating shaft (5).
5. epicyclic transmission mechanism according to claim 4 is characterized in that, is provided with sealing strip (17) between said end cap (10) and the said casing (7).
6. epicyclic transmission mechanism according to claim 4 is characterized in that, said power shaft (14) is fixedly connected through the tensioner cover with said axle sleeve structure (131).
7. epicyclic transmission mechanism according to claim 4 is characterized in that, said output shaft (4) is fixedly connected through the tensioner cover with said secondary sun gear (3).
8. milling-boring machine; Comprise motor, gear drive and boring bar; It is characterized in that; Said gear drive is each described epicyclic transmission mechanism among the claim 1-7, and the one-level sun gear (13) in the epicyclic transmission mechanism is connected with the output shaft of motor, and the secondary sun gear (3) in the epicyclic transmission mechanism is connected with boring bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201065495U CN202507107U (en) | 2012-03-20 | 2012-03-20 | Planetary transmission mechanism and milling and boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201065495U CN202507107U (en) | 2012-03-20 | 2012-03-20 | Planetary transmission mechanism and milling and boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507107U true CN202507107U (en) | 2012-10-31 |
Family
ID=47059612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201065495U Expired - Fee Related CN202507107U (en) | 2012-03-20 | 2012-03-20 | Planetary transmission mechanism and milling and boring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202507107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601660A (en) * | 2012-03-20 | 2012-07-25 | 上海三一精机有限公司 | Planet transmission mechanism and milling-boring machine |
| CN112108918A (en) * | 2020-09-18 | 2020-12-22 | 肖慈敏 | Multi-section fastening structure for processing and connecting annular parts |
-
2012
- 2012-03-20 CN CN2012201065495U patent/CN202507107U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601660A (en) * | 2012-03-20 | 2012-07-25 | 上海三一精机有限公司 | Planet transmission mechanism and milling-boring machine |
| CN102601660B (en) * | 2012-03-20 | 2014-10-29 | 上海三一精机有限公司 | Planet transmission mechanism and milling-boring machine |
| CN112108918A (en) * | 2020-09-18 | 2020-12-22 | 肖慈敏 | Multi-section fastening structure for processing and connecting annular parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20140320 |