CN101358684A - Principal axis lubrication structure for direct-driving torque motor device - Google Patents
Principal axis lubrication structure for direct-driving torque motor device Download PDFInfo
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- CN101358684A CN101358684A CNA2007101400444A CN200710140044A CN101358684A CN 101358684 A CN101358684 A CN 101358684A CN A2007101400444 A CNA2007101400444 A CN A2007101400444A CN 200710140044 A CN200710140044 A CN 200710140044A CN 101358684 A CN101358684 A CN 101358684A
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- main shaft
- bearing
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Abstract
The invention discloses a main shaft lubricating structure of a direct-drive torque motor device which mainly includes the components of a body, a direct-drive torque motor, a main shaft, bearing components, an adjusting screw cap and a braking component. The main shaft is utilized to be matched with the feed of the adjusting screw cap to lock and locate the torque motor, each bearing component and the body; the bearing component and the braking component are supported between the body and the main shaft; besides, the braking component and the body which are maintained to be fixed are respectively provided with a first lubricating oil path and a second lubricating oil path; besides, the first lubricating oil path is connected to a main bearing; the second lubricating oil path is connected between the braking component and the main shaft. The main shaft lubricating structure of a direct-drive torque motor device of the invention can carry out bearing lubricating by using a simple structure and can reduce the maintenance cost.
Description
Technical field
The present invention relates to a kind of lubricating structure of direct-driving torque motor device, be meant a kind of principal axis lubrication structure of direct-driving torque motor device especially, its available simple structure is carried out bearing lubrication, and reduces cost of upkeep.
Background technique
Motor apparatus now is more and more many in the application of industrial aspect, main device kind has external rotor, internal rotor or the like, except high precision effect as the feeding transmission, it has more that the frictional wear rate is little, energy conversion rate is high and advantage such as noise is little, therefore, motor apparatus is not sayed yet and can be explained for significance such as various commercial Application facility now.
Present direct-driving torque motor device is useful on the part device drives, for example: automation equipment, index plate and various toolroom machine; No matter how various products dispose design modification, various products can install many bearing structures usually between direct-driving torque motor device and main shaft, can keep the smooth degree of both relative rotary motion; Though previous designs has been obtained practicality, still can exist by defectiveness after the practicality:
Direct-driving torque motor and spindle operation are after the regular hour, the running of bearing structure long-term load direct-driving torque motor and main shaft, the operator must regularly maintain, lubricated work, but for after being positioned at in-house bearing and all must entire mechanism disassembling, can carry out maintenance work, cause the too high problem of cost of upkeep.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of principal axis lubrication structure of direct-driving torque motor device, can carry out principal axis lubrication with simple structure, and reduces cost of upkeep.
In order to solve the problems of the technologies described above, the principal axis lubrication structure of direct-driving torque motor device of the present invention includes:
Main shaft, its end are equipped with at least one second grease chamber, and each second grease chamber's outer openings is equiped with capping;
Directly turn apart from motor, be installed in outside this main shaft;
Body is installed in this and directly turns outside motor, and body mutually should offer at least one first lubricating oil path by main shaft, and first lubricating oil path includes first oil duct, first grease chamber, and first oil duct is connected outwards to connect behind first grease chamber and is provided with opening;
Bearing unit is provided in this main shaft, directly turns apart between motor and the body, has main bearing in this bearing unit, and this main bearing is between this main shaft and body, and first grease chamber of this body is correspondingly positioned at this main bearing outside;
The brake assembly, be positioned between this main shaft and this body, on the brake assembly, offer at least one second oiling road, this second oiling road, one end is open outwardly, between then sensible brake assembly of its other end and the main shaft, and the second oiling road is connected formation second lubricating oil path each other with second grease chamber of this main shaft; And
Adjust nut, locking is positioned at this main shaft end.
In the present invention, aforementioned first lubricating oil path and second lubricating oil path are all formed by an oiling road, grease chamber linking, this grease chamber can be ring-like grease chamber or column type grease chamber, and the grease chamber of first lubricating oil path is between this body and main bearing, and the grease chamber of second lubricating oil path is between brake assembly and main shaft.
Have the middle air compressing cylinder that is located between body and main shaft in the aforementioned brake assembly, utilize the base side injection pressure, cylinder pressure is exerted pressure to main shaft and reach the brake effect; Aforementioned second lubricating oil path then is opened within the wall thickness of cylinder pressure.
Because adopt technique scheme, the principal axis lubrication structure of direct-driving torque motor device of the present invention can use simple structure to carry out principal axis lubrication, and reduce cost of upkeep.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is an embodiment of the invention External view;
Fig. 2 is an embodiment of the invention assembled sectional view;
Fig. 3 is an embodiment of the invention amplification view.
Embodiment
The embodiment of the invention sees also Fig. 1,2 and 3, and the principal axis lubrication structure of direct-driving torque motor device of the present invention includes main shaft 20, brake assembly 30, bearing unit 40, directly turns and detect assembly 70 apart from motor 50, body 60, position and adjust nut 80; Its structure is described as follows:
This main shaft 20, its outer end without leave towards the other end in regular turn convergent make first stratum 21, second stratum 22, three-layered 23, quadravalence layer 24 and an external thread section 25, these external thread section 25 systems are located at main shaft 20 ends, and be equipped with some column types second grease chamber 26 in main shaft 20 the other end, each second grease chamber, 26 outer openings is equiped with capping 261, and lead in aforementioned first stratum 21 second grease chamber 26;
This assembly 30 of braking, inboard first stratum 21 corresponding to this main shaft 20, and the outside has positioning part 31, in the wall thickness of brake assembly 30, offer at least one second oiling road 32, these second oiling road, 32 1 ends are open outwardly, between then sensible brake assembly 30 of its other end and the main shaft 20, and the second oiling road 32 is connected the formation second lubricating oil path A each other with second grease chamber 26 of this main shaft 20;
This bearing unit 40, include first oil sealing 41, main bearing 42, second oil sealing 43 and auxiliary roller bearing 44, this first oil sealing 41 is installed between this brake assembly 30 and the main shaft 20,42 of this main bearings are positioned at second stratum 22 of this main shaft 20, and main bearing 42 is replaced this brake assembly 30 of location, 43 three-layereds 23 that are positioned at this main shaft 20 of this second oil sealing, this auxiliary roller bearing 44 is the design of oblique angle roller type, and auxiliary roller bearing 44 cooperates second oil sealing 43 to be positioned at this quadravalence layer 24;
This directly turns apart from motor 50, be to combine by mover fixed base 51, mover oil sealing 52, motor mover 53, motor stator 54 and motor refrigerating seat 55, it is other that this mover fixed base 51 is replaced the main bearing 42 that is positioned this bearing unit 40, and this mover oil sealing 52 is fixed in this mover fixed base 51 outsides with motor mover 53, and in motor stator 54 is positioned by motor refrigerating seat 55, and motor stator 54 is socketed in outside this motor mover 53;
This body 60, comprise shell spare 61, bonnet 62 and bonnet oil sealing 63, this shell spare 61 and bonnet 62 Joints, the positioning part 31 of body 60 1 ends and this brake assembly 30 fixes, between this body 60 and the main shaft 20 then with main bearing 42 location of this bearing unit 40, and body 60 respective major axes 20 offer one first lubricating oil path B, this first lubricating oil path B includes first oil duct 64, first grease chamber 65 and oil nozzle 66, this first grease chamber 65 is the ring-like open space of respective rings around these main bearing 42 outsides, and first oil duct 64 is connected first grease chamber outside perforation the in 65 backs and is provided with opening 641, and spiral shell is established this oil nozzle 66 on opening 641, the bonnet 62 of body 60 is positioned in outside second oil sealing 43 and auxiliary roller bearing 44 of this bearing unit 40 in addition, and bonnet 62 terminal inboards are provided with this bonnet oil sealing 63, and shell spare 61 is positioned at outermost and holds aforementioned components, and shell spare 61 directly turns apart from the motor refrigerating seat 55 of motor 50 fixing for this;
This position detects assembly 70, be installed on the bonnet 62 of this body 60, and the position detects the rotational position variation of assembly 70 these main shafts 20 of corresponding perception;
This adjusts nut 80, and screw lock is at the external thread section 25 of these main shaft 20 ends, and adjusts nut 80 and be positioned to cover in the oil sealing 63 after this body 60, and adjusts the auxiliary roller bearing 44 of nut 80 these bearing uniies 40 of feeding packing.
Above-mentioned is structure of the present invention, configuration and mutual alignment relation, below the running of structure of the present invention is described:
Because main shaft of the present invention 20 ends are equipped with some column types second grease chamber 26, each second grease chamber, 26 outer openings is equiped with capping 261, and lead in aforementioned first stratum 21 second grease chamber 26; Aforementioned second grease chamber 26 cooperates the second oiling road 32 of this brake assembly 30 to form the second lubricating oil path A, utilize this second lubricating oil path A can directly utilize this second oiling road, 32 inside oilings, because brake assembly 30 can not rotate, the oiling material in the second oiling road 32 can directly fall in second grease chamber 26 of this main shaft 20, and be stored in this second grease chamber 26, carry out lubricating between this main shaft 20 and this brake assembly 30 at any time; Effectively reach the effect of the second lubricating oil path A.
In addition, the first lubricating oil path B of this body 60 is after these oil nozzle 66 oilings, oil plant arrives first grease chamber 65 via first oil duct 64, because first grease chamber 65 is the ring-like open space of respective rings around these main bearing 42 outsides, oil plant can be from top to bottom around flowing in main bearing 42 outsides, and infiltrate gradually among the main bearing 42 along with running, last oil plant can infiltrate main bearing 42 inboards, between this body 60 of sufficient lubrication and the main bearing 42, it is lubricated also further to allow main shaft 20 obtain with the running between the main bearing 42.
According to previous designs, when the present invention will carry out oil injecting lubricating work, the user only need utilize the first lubricating oil path B, the second lubricating oil path A to impose oiling work, just can allow oil plant fully inject lubricated this main bearing 42 and main shaft 20, reach utilization simple structure and carry out principal axis lubrication, and effectively reduce cost of upkeep.
Claims (5)
1. the principal axis lubrication structure of a direct-driving torque motor device is characterized in that, includes:
Main shaft, its end are equipped with at least one second grease chamber, and each second grease chamber's outer openings is equiped with capping;
Directly turn apart from motor, be installed in outside this main shaft;
Body is installed in this and directly turns outside motor, and body mutually should offer at least one first lubricating oil path by main shaft, and first lubricating oil path includes first oil duct, first grease chamber, and first oil duct is connected outwards to connect behind first grease chamber and is provided with opening;
Bearing unit is provided in this main shaft, directly turns apart between motor and the body, has main bearing in this bearing unit, and this main bearing is between this main shaft and body, and first grease chamber of this body is correspondingly positioned at this main bearing outside;
The brake assembly, be positioned between this main shaft and this body, on the brake assembly, offer at least one second oiling road, this second oiling road, one end is open outwardly, between then sensible brake assembly of its other end and the main shaft, and the second oiling road is connected formation second lubricating oil path each other with second grease chamber of this main shaft; And
Adjust nut, locking is positioned at this main shaft end.
2. the principal axis lubrication structure of direct-driving torque motor device as claimed in claim 1 is characterized in that, second grease chamber of this main shaft is a column type.
3. the principal axis lubrication structure of direct-driving torque motor device as claimed in claim 1 is characterized in that:
This main shaft external diameter convergent is in regular turn made first stratum, second stratum, three-layered, quadravalence layer and external thread section;
This assembly of braking, this brake assembly inboard is positioned first stratum of this main shaft, and the outside has the positioning part;
This bearing unit, other includes first oil sealing, main bearing, second oil sealing, this first oil sealing is installed between this brake assembly and the main shaft, this main bearing then is positioned at second stratum of this main shaft, and main bearing is replaced this brake assembly of location, this second oil sealing then is positioned at the three-layered of this main shaft, and this auxiliary roller bearing is positioned at this quadravalence layer, and the auxiliary roller bearing is replaced mutually with this second oil sealing;
This directly turns apart from motor, be to combine by mover fixed base, mover oil sealing, motor mover, motor stator and motor refrigerating seat, this mover fixed base is replaced by the main bearing that is positioned this bearing unit, and this mover oil sealing and motor mover are fixed in this mover fixed base outside, and motor stator is installed in the motor refrigerating seat, and motor stator is socketed in outside this motor mover;
This body, other comprises shell spare and bonnet oil sealing, this shell spare and bonnet Joint, the positioning part of body one end and this brake assembly fixes, and with the main bearing location of this bearing unit, its bonnet is positioned in outside second oil sealing and auxiliary roller bearing of this bearing unit between body and the main shaft, and the terminal inboard of bonnet is provided with this bonnet oil sealing, and shell spare is positioned at outermost and holds aforementioned components, and shell spare directly turns apart from the motor refrigerating seat of motor for this and fixes;
Other is provided with the position and detects assembly, and the position detects assembly and is installed on the bonnet of this body, and the position detects the rotational position variation of corresponding this main shaft of perception of assembly.
4. the principal axis lubrication structure of direct-driving torque motor device as claimed in claim 1, it is characterized in that, first grease chamber of this body is the ring-like open space of respective rings around this main bearing outside, and first oil duct outwards connects and is provided with opening, and spiral shell is established oil nozzle on this opening, and first grease chamber's respective rings of this body is around in the main bearing outside of this bearing unit.
5. the principal axis lubrication structure of direct-driving torque motor device as claimed in claim 1 is characterized in that, has the middle air compressing cylinder that is located between body and main shaft in this brake assembly, and the second oiling road of aforementioned brake assembly is opened in the wall thickness of cylinder pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101400444A CN101358684A (en) | 2007-08-03 | 2007-08-03 | Principal axis lubrication structure for direct-driving torque motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101400444A CN101358684A (en) | 2007-08-03 | 2007-08-03 | Principal axis lubrication structure for direct-driving torque motor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101358684A true CN101358684A (en) | 2009-02-04 |
Family
ID=40331216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101400444A Pending CN101358684A (en) | 2007-08-03 | 2007-08-03 | Principal axis lubrication structure for direct-driving torque motor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101358684A (en) |
-
2007
- 2007-08-03 CN CNA2007101400444A patent/CN101358684A/en active Pending
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Open date: 20090204 |