CN203816719U - Transmission structure of horizontal planetary ball mill - Google Patents

Transmission structure of horizontal planetary ball mill Download PDF

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Publication number
CN203816719U
CN203816719U CN201420227095.6U CN201420227095U CN203816719U CN 203816719 U CN203816719 U CN 203816719U CN 201420227095 U CN201420227095 U CN 201420227095U CN 203816719 U CN203816719 U CN 203816719U
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CN
China
Prior art keywords
rotation
revolution
transmission
main shaft
shaft
Prior art date
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CN201420227095.6U
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Chinese (zh)
Inventor
叶旭初
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南京工业大学
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Priority to CN201420227095.6U priority Critical patent/CN203816719U/en
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Publication of CN203816719U publication Critical patent/CN203816719U/en

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Abstract

The utility model discloses a transmission structure of a horizontal planetary ball mill. In one scheme, the transmission structure comprises a revolution hollow shaft and a rotation transmission spindle, wherein the revolution hollow shaft is used for mounting a front revolution disc and a back revolution disc, the rotation transmission spindle is coaxial with the revolution hollow shaft and connected with a prime motor, and two ends of the rotation transmission spindle are supported by a front rotation bearing and a back rotation bearingrespectively; power is transmitted between the rotation transmission spindle and the revolution hollow shaft through a transmission gear set; a pair of rotation driven gears is fixed in a same position of the outer edge of each rotation grinding drum shaft, and a pair of rotationdriving gears fixed on the rotation transmission spindle is meshed with the gears. In the other scheme, the prime motor is connected with the revolution transmission hollow shaft or the revolution discs rather than the rotation spindle, so that a power transmission path is opposite to that of the first scheme, and other structures are basically consistent. According to the transmission structure, an idler is omitted on the premise of planetary motions, the meshing quality of the gears of each gear set is improved, and service lives of the gears are prolonged.

Description

A kind of drive mechanism of horizontal planetary ball mill
Technical field
The utility model relates to powder grinding technology field, the particularly drive mechanism of large-size horizontal planetary ball mill.
Background technology
Horizontal planetary ball mill (abbreviation planetary mills) is that several planet mill tubes (abbreviation mill tube) are assembled on a rotary table, under the drive of transmission mechanism, is contained in each mill tube on rotary table and follows rotary table aloft and do large gyration, i.e. revolution; In revolution, each mill tube also carries out rotation.In order to reach optimal grinding effect, the rotation direction of revolution, rotation needs contrary, in order to realize this motion mode, as Fig. 1, existing planetary mills design is all the structure that adopts sun gear 101, planetary gear 102 and idle pulley 103 to coordinate, sun gear 101 drives rotary table 104 to rotate, and planetary gear 102 drives mill tube to rotate.(seeing Chinese patent < < large continuous planetary ball mill > >, Granted publication CN100371081C)., such planetary transmission structure is simple, easily manufactured.But, if attempted, planetary mills is maximized, to there is critical defect in such design, as can be seen from Figure 1: idle pulley is to be fixed on rotary table, on the position of rotary table center one segment distance, when rotary table rotates, the idle pulley being fixed on rotary table always produces centrifugal force, as long as there is gap in the bearing of fixed idler, idle pulley will inevitably outwards move, thereby in long-term operation process, with central gear, planetary gear produces and relatively moves in interlock place, reduced the meshing quality of gear, produce roll flute, or even collapse tooth, also likely form slip teeth, the most easily form the point corrosion of tooth surface.If epicyclic transmission mechanism is smaller, the impact that this defect causes is also not obvious, yet, after planetary mills maximizes, when the power of gear train transmission need to surpass several thousand kw, the weight of idle pulley self can reach 300 ~ 800kg, this defect will be flagrant, even may not realize maximization.
Utility model content
Technical problem to be solved in the utility model is to provide the drive mechanism of a large-size horizontal planetary ball mill, this drive mechanism had both been realized the revolution of planetary mills, the opposite direction requirement of rotation, cancelled again idle pulley, solved because having the former of idle pulley centrifugal force thereby causing gear train easy to wear, affected the problem that horizontal planetary ball mill maximizes.
The drive mechanism of a kind of horizontal planetary ball mill described in the utility model, comprises for the revolution quill shaft of former and later two rotary tables is installed, and the rotation transmission main shaft coaxial with revolution quill shaft; Wherein rotation transmission main shaft is connected with prime mover, and rotation transmission main shaft two ends are supported by front rotation bearing and rear rotation bearing respectively; Between rotation transmission main shaft and revolution quill shaft, pass through one group of driving gear set transferring power; At each rotation mill tube axle outer rim same position, fix respectively a secondary rotation driven gear, with the common engagement of these gears be the secondary rotation driving gear being fixed on rotation transmission main shaft.
Above-mentioned rotation transmission main shaft and the driving gear set of revolution between quill shaft comprise and are arranged on the revolution of first on rotation transmission main shaft transition gear, be arranged on side by side the revolution transition gear of second in another root rotating shaft and the 3rd revolution transition gear, and be arranged on the revolution driven wheel of revolution on quill shaft, described the first revolution transition gear and the second revolution transition gear engagement, the 3rd revolution transition gear meshes with revolution driven wheel again, realizes transmission of power.
Described revolution quill shaft has two, and on every revolution quill shaft, correspondence is installed with a rotary table, and by front revolution bearing and rear revolution bearing, supports respectively.
Arranging of rotation transmission main shaft can have various ways, and one of them is: rotation transmission main shaft is axially through whole planetary mills, and front rotation bearing and rear rotation bearing on it are arranged on respectively in the revolution quill shaft at two ends.
Two be: described rotation transmission main shaft is divided into two sections, i.e. front rotation transmission main shaft and rear rotation transmission main shaft, both connect with shaft coupling, wherein on front rotation transmission main shaft, two bearings are installed, these two bearings are arranged on respectively the two ends in leading portion revolution quill shaft, rear rotation transmission main shaft is installed bearing endways, and this bearing is fixed in back segment revolution quill shaft.
Three be: described rotation transmission main shaft only extends in leading portion revolution quill shaft, and with two bearings supportings, and Gai Liangge bearing branch is arranged on the two ends that leading portion revolves round the sun in quill shaft; Between former and later two rotary tables by connecting with a fixed axis along axis again after the transition of oil baffle disc.Certainly, also can cancel this root fixed axis.
In addition, the drive mechanism of horizontal planetary ball mill also has a kind of scheme, is specially:
A drive mechanism for horizontal planetary ball mill, comprises for the revolution transmission quill shaft of former and later two rotary tables is installed, and the rotation main shaft coaxial with revolution transmission quill shaft; The transmission quill shaft (or rotary table) that wherein revolves round the sun is connected with prime mover, and rotation main shaft two ends are supported by front rotation bearing and rear rotation bearing respectively; Between rotation main shaft and revolution transmission quill shaft, pass through one group of driving gear set transferring power; At each rotation mill tube axle outer rim same position, fix respectively a secondary rotation driven gear, with the common engagement of these gears be the secondary rotation driving gear being fixed on rotation main shaft.
It is that with the main distinction of front a kind of scheme prime mover is connected but not rotation main shaft with revolution transmission quill shaft (or rotary table), therefore that power transmission line and the first scheme are thought is anti-, and other structure is basically identical.
The drive mechanism of the claimed above horizontal planetary ball mill of the utility model; but what be not limited to list is above several; as long as adopt, this Double-axis transmission is realized planetary ball mill public affairs, rotation is contrary, and has removed the type of belt drive of idle pulley, all within protection domain of the present utility model.
The beneficial effects of the utility model:
1, realizing under the prerequisite of planetary motion, cancelled idle pulley, the gear meshing quality of each gear train is improved, and has extended the service life of gear;
2, the revolution of conversion direction of rotation or the outside that rotation driven wheel is placed on planetary mills main frame, even can combine with reductor and be manufactured in a gear-box, and its manufacturing cost declines, and gear train running is more stable.And owing to being integrated in a gear-box, the oil lubrication quality of all gear trains is obviously improved, further extended service life.
3,, owing to having eliminated idle pulley, the accuracy of manufacture of each gear train in transmission mechanism, installation accuracy are required to decline, thereby reduced manufacturing cost.
4, to have realized part separated for planetary mills main frame and transmission mechanism, and the weight of planetary mills main frame declines to a great extent, and the run stability of planetary mills main frame is improved greatly.
5, eliminate idle pulley centrifugal force completely to the impact in rotary table rotation process, adapted to the maximization needs of planetary mills.
Accompanying drawing explanation
fig. 1 is the structural representation of prior art,
Fig. 2 a is the structural representation of the utility model the first scheme,
Fig. 2 b is the structural representation of driving gear set,
Fig. 3 is the structural representation of the utility model first scheme,
Fig. 4 is the structural representation of the third scheme of the utility model.
The specific embodiment
Horizontal planetary ball mill mainly comprises former and later two rotary tables arranged side by side 1, and between rotary table 1, along a plurality of planet mill tubes 13 are circumferentially evenly installed, the axle at planet mill tube 13 two ends is bearing on two rotary tables by rotation bearing 16.Under the drive of transmission mechanism, be contained in each planet mill tube 13 on rotary table 1 and follow rotary table aloft and revolve round the sun; In revolution, each mill tube also carries out rotation, and the direction of revolution, rotation needs contrary.
In order to achieve this end, horizontal planetary ball mill transmission mechanism of the present utility model has adopted two kinds of versions.
The first form as shown in Figure 2 a, two rotary tables 1 are fixed on revolution quill shaft 2, before and after the quill shaft 2 that for this reason revolves round the sun is corresponding, rotary table 1 is divided into two sections, and respectively by front revolution bearing 3 and 4 supportings of rear revolution bearing, forward and backward revolution bearing fixes on the ground by bearing block 5.Revolution quill shaft 2 is coaxially installed with rotation transmission main shaft 6, and this rotation transmission main shaft 6 inserts in revolution quill shaft 2 and is connected with prime mover, and rotation transmission main shaft 6 two ends are respectively by front rotation bearing 7 and 8 supportings of rear rotation bearing.
Between rotation transmission main shaft 6 and revolution quill shaft 2, pass through one group of driving gear set transferring power.See Fig. 2 b, driving gear set comprises and is arranged on first on rotation transmission main shaft revolution transition gear 9, be arranged on side by side the revolution transition gear 10 of second in another root rotating shaft and the 3rd revolution transition gear 11, and be arranged on the revolution driven wheel 12 of revolution on quill shaft, the first revolution transition gear 9 and the second revolution transition gear 10 engagements, the 3rd revolution transition gear 11 meshes with revolution driven wheel 12 again, through four gears, realizes from the transmission of power and the revolution that forward revolution to contrary with the direction of rotation of rotation.
Meanwhile, for rotation power being passed to each planet mill tube 13, at the outer rim same position of each planet mill tube axle, fix respectively a secondary rotation driven gear 14, with the common engagement of these gears be the secondary rotation driving gear 15 being fixed on rotation transmission main shaft.
Power transmission process is: the motive power by motor, reductor input drives 6 rotations of rotation transmission main shaft by shaft coupling, by being arranged on the first revolution transition gear 9 of rotation transmission main shaft and second and third corresponding revolution transition gear 10,11, be delivered to again the revolution driven wheel 12 being arranged on revolution quill shaft, finally drive rotary table 1 to produce revolution.Meanwhile, rotation transmission main shaft 6 passes to each planet mill tube 13 by power through rotation driving gear 15, rotation driven gear 14 and realizes rotation, and sense of rotation and revolution opposite direction.
Arranging of rotation transmission main shaft can have various ways, and one of them is: rotation transmission main shaft 6 is axially through whole planetary mills, and the front rotation bearing 7 on it and rear rotation bearing 8 are arranged on respectively that in the revolution quill shaft 2 at two ends, (Fig. 2 a).
Two be: described rotation transmission main shaft is divided into two sections, i.e. front rotation transmission main shaft 6-1 and rear rotation transmission main shaft 6-2, both connect with shaft coupling 16, wherein front rotation transmission main shaft 6-1 above installs two bearings, Gai Liangge bearing branch is arranged on the two ends in leading portion revolution quill shaft, rear rotation transmission main shaft 6-2 installs bearing endways, and this bearing is fixed in back segment revolution quill shaft (Fig. 3).
Three be: described rotation transmission main shaft 6 only extends in leading portion revolution quill shaft 2, and with two bearings supportings, and Gai Liangge bearing branch is arranged on the two ends that leading portion revolves round the sun in quill shaft; Between former and later two rotary tables 1, pass through along a fixed axis for axis 17, to connect (Fig. 4) again after oil baffle disc transition.Certainly, also can cancel this root fixed axis.
The second version of horizontal planetary ball mill transmission mechanism and the main distinction of front a kind of scheme are, prime mover is connected but not rotation main shaft with revolution transmission quill shaft (or rotary table), therefore it is anti-that power transmission line and the first scheme are thought, and other structure is basically identical.Do not repeat them here.
The design only provides two technology paths at this, can also on the basis of this technology path, extend relevant programme, also belongs to the utility model of this patent utility model.

Claims (12)

1. a drive mechanism for horizontal planetary ball mill, is characterized in that, comprise for the revolution quill shaft of former and later two rotary tables is installed, and the rotation transmission main shaft coaxial with revolution quill shaft; Wherein rotation transmission main shaft is connected with prime mover, and rotation transmission main shaft two ends are supported by front rotation bearing and rear rotation bearing respectively; Between rotation transmission main shaft and revolution quill shaft, pass through one group of driving gear set transferring power; At each rotation mill tube axle outer rim same position, fix respectively a secondary rotation driven gear, with the common engagement of these gears be the secondary rotation driving gear being fixed on rotation transmission main shaft.
2. the drive mechanism of horizontal planetary ball mill according to claim 1, it is characterized in that, rotation transmission main shaft and the driving gear set of revolution between quill shaft comprise and are arranged on the revolution of first on rotation transmission main shaft transition gear, be arranged on side by side the revolution transition gear of second in another root rotating shaft and the 3rd revolution transition gear, and be arranged on the revolution driven wheel of revolution on quill shaft, described the first revolution transition gear and the second revolution transition gear engagement, the 3rd revolution transition gear meshes with revolution driven wheel again, realizes transmission of power.
3. the drive mechanism of horizontal planetary ball mill according to claim 1 and 2, is characterized in that, described revolution quill shaft has two, and on every revolution quill shaft, correspondence is installed with a rotary table, and by front revolution bearing and rear revolution bearing, supports respectively.
4. the drive mechanism of horizontal planetary ball mill according to claim 1 and 2, is characterized in that, described rotation transmission main shaft is axially through whole planetary mills, and front rotation bearing and rear rotation bearing on it are arranged on respectively in the revolution quill shaft at two ends.
5. the drive mechanism of horizontal planetary ball mill according to claim 1 and 2, it is characterized in that, described rotation transmission main shaft is divided into two sections, i.e. front rotation transmission main shaft and rear rotation transmission main shaft, both connect with shaft coupling, wherein on front rotation transmission main shaft, two bearings are installed, and Gai Liangge bearing branch is arranged on the two ends in leading portion revolution quill shaft, rear rotation transmission main shaft is installed bearing endways, and this bearing is fixed in back segment revolution quill shaft.
6. the drive mechanism of horizontal planetary ball mill according to claim 1 and 2, it is characterized in that, described rotation transmission main shaft only extends in leading portion revolution quill shaft, and supports with two bearings, and these two bearings are arranged on respectively the two ends in leading portion revolution quill shaft; Between former and later two rotary tables by connecting with a fixed axis along axis again after oil baffle disc transition.
7. a drive mechanism for horizontal planetary ball mill, is characterized in that, comprise for the revolution transmission quill shaft of former and later two rotary tables is installed, and the rotation main shaft coaxial with revolution transmission quill shaft; Wherein revolve round the sun transmission quill shaft or rotary table is connected with prime mover, and rotation main shaft two ends are supported by front rotation bearing and rear rotation bearing respectively; Between rotation main shaft and revolution transmission quill shaft, pass through one group of driving gear set transferring power; At each rotation mill tube axle outer rim same position, fix respectively a secondary rotation driven gear, with the common engagement of these gears be the secondary rotation driving gear being fixed on rotation main shaft.
8. the drive mechanism of horizontal planetary ball mill according to claim 7, it is characterized in that, driving gear set between rotation main shaft and revolution transmission quill shaft comprises the first rotation transition gear being arranged on revolution transmission quill shaft, be arranged on side by side the second rotation transition gear and the 3rd rotation transition gear in another root rotating shaft, and be arranged on the rotation driven wheel on rotation main shaft, described the first rotation transition gear and the engagement of the second rotation transition gear, the 3rd rotation transition gear meshes with rotation driven wheel again, realizes transmission of power.
9. according to the drive mechanism of the horizontal planetary ball mill described in claim 7 or 8, it is characterized in that, described revolution transmission quill shaft has two, and on every revolution transmission quill shaft, correspondence is installed with a rotary table, and by front revolution bearing and rear revolution bearing, supports respectively.
10. according to the drive mechanism of the horizontal planetary ball mill described in claim 7 or 8, it is characterized in that, described rotation main shaft is axially through whole planetary mills, and the front rotation bearing on it and rear rotation bearing are arranged on respectively in the revolution transmission quill shaft at two ends.
11. according to the drive mechanism of the horizontal planetary ball mill described in claim 7 or 8, it is characterized in that, described rotation main shaft is divided into two sections, i.e. front rotation main shaft and rear rotation main shaft, both connect with shaft coupling, wherein on front rotation main shaft, two bearings are installed, and Gai Liangge bearing branch is arranged on the two ends in leading portion revolution transmission quill shaft, rear rotation main shaft is installed bearing endways, and this bearing is fixed in back segment revolution transmission quill shaft.
12. according to the drive mechanism of the horizontal planetary ball mill described in claim 7 or 8, it is characterized in that, described rotation main shaft only extends in leading portion revolution transmission quill shaft, and supports with two bearings, and Gai Liangge bearing branch is arranged on the two ends in leading portion revolution transmission quill shaft; Between former and later two rotary tables by connecting with a fixed axis along axis again after oil baffle disc transition.
CN201420227095.6U 2014-05-06 2014-05-06 Transmission structure of horizontal planetary ball mill CN203816719U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103977868A (en) * 2014-05-06 2014-08-13 南京工业大学 Transmission structures of horizontal planetary ball mill
CN109530016A (en) * 2018-10-17 2019-03-29 山东交通职业学院 Temperature control equipment and temprature control method for horizontal planetary ball mill
CN110586258A (en) * 2019-08-24 2019-12-20 武汉宇格电力设备有限公司 Planetary ball mill for industrial use

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103977868A (en) * 2014-05-06 2014-08-13 南京工业大学 Transmission structures of horizontal planetary ball mill
CN103977868B (en) * 2014-05-06 2016-01-13 南京工业大学 A kind of drive mechanism of horizontal planetary ball mill
CN109530016A (en) * 2018-10-17 2019-03-29 山东交通职业学院 Temperature control equipment and temprature control method for horizontal planetary ball mill
CN110586258A (en) * 2019-08-24 2019-12-20 武汉宇格电力设备有限公司 Planetary ball mill for industrial use

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AV01 Patent right actively abandoned

Granted publication date: 20140910

Effective date of abandoning: 20160113

C25 Abandonment of patent right or utility model to avoid double patenting