CN101707418A - Electric spindle arranging structure easy to replace motor and using method thereof - Google Patents
Electric spindle arranging structure easy to replace motor and using method thereof Download PDFInfo
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- CN101707418A CN101707418A CN200910187825A CN200910187825A CN101707418A CN 101707418 A CN101707418 A CN 101707418A CN 200910187825 A CN200910187825 A CN 200910187825A CN 200910187825 A CN200910187825 A CN 200910187825A CN 101707418 A CN101707418 A CN 101707418A
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- spindle motor
- mandrel
- motor assembly
- rotor bushing
- end bearing
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Abstract
The invention discloses an electric spindle arranging structure easy to replace a motor, which comprises a mandrel (4), a spindle motor component (1), a clamping disk component (7), a rear-end bearing assembly (2) and a front-end bearing assembly (3), wherein the spindle motor component (1) is fixed on the rear side of the rear-end bearing assembly (2); the spindle motor component (1) comprises a stator (11), a rotor (12) and a rotor bushing (13); an inner ring of the rotor bushing (13) is provided with a concave groove to form an annular gap (32) between the rotor bushing (13) and the mandrel (4); and the rotor bushing (13) is provided with an oil hole (31) communicated with the gap (32). The structure has multiple functions by conveniently replacing the spindle motor component. The working range of single equipment is greatly improved and the production cost is greatly reduced.
Description
Technical field
The present invention relates to machine field, in particular, relate in particular to the workpiece electricity main axle structure of easy to replace motor in the horizontal type turning and milling Compositions of metal-working machines.
Background technology
The level that is reached by the performance of motor own and its manufacturing industry has determined the motor of certain volume to be difficult to have simultaneously high rotating speed and high pulling torque two specific characters.By electric main shaft characteristic difference, its processing effect that can reach is also inequality.According to this thinking, mark off the efficient lathe that is more suitable for High-speed machining accordingly and be more suitable for the low speed lathe that high pulling torque is processed.Along with the technological requirement of manufacturing development to workpiece constantly increases, the parts of machinery need the processing of High-speed machining and high pulling torque simultaneously mostly.Even on the different process order of same part, different like this with high pulling torque at a high speed processing requests has appearred simultaneously.If will make this part, the producer must have high-speed machine tool and high pulling torque lathe simultaneously.In the course of processing, cause the great inconvenience and the wasting of resources.Therefore a kind ofly can be satisfied with the electric main shaft that carries out to carry out again at a high speed the high pulling torque processing request if can develop.Will improve utilization rate of equipment and installations greatly saves production cost.
By to the analysis of at present common spindle motor structure with discover.The use of motor material has at present limited the development of electric main shaft.Temporarily can't reach the processing technology requirement of satisfying high-speed high-power and low-speed big simultaneously from bringing up again high motor performance.
The structure chart of the spindle motor assembly main shaft electric of prior art as shown in Figure 1 with it.Wherein, the outside of mandrel 4 is with spindle motor assembly 1, and the left and right sides of spindle motor assembly 1 is provided with rear-end of spindle bearing combination 2 and left end clamping disk(-sc) 7 thereof, front-end of spindle bearing combination 3 respectively.That is to say for location and reason such as stable, the spindle motor of electric main shaft designs in the center that is positioned at electric main shaft mandrel more under the prior art.The greatest problem that this structure exists is, is not easy to very much reach interchangeable motor electricity main shaft purpose with the form of disassembling, assembling and replacing spindle motor.Because, and changeing need the back off bearing combination of both sides of spindle motor assembly, this operation is not only loaded down with trivial details, prior motor device for precision, the installation accuracy of bearing combination is the key factor that influences the motor output accuracy.And the mode of above-mentioned dismounting bearing combination tends to damage the bearing combination, and then makes complete equipment scrap.Therefore if can change the spindle motor assembly installation site, then can effectively carry out dismounting.In addition, said structure adopts clamping disk(-sc) 7 preposition modes effectively to reduce the issuable distortion of mandrel in the course of processing
Summary of the invention
The present invention aims to provide a kind of electric main axle structure that can the convenient changing motor.The technological requirement that this structure can satisfy at a high speed simultaneously and many specifications of high pulling torque polymorphic type electricity main shaft is exported.
In order to achieve the above object, the invention provides a kind of electric spindle arranging structure of easy to replace motor, comprise mandrel, and the spindle motor assembly of socket mandrel, rear end bearing combination and front end bearing make up and be positioned at the clamping disk(-sc) of front end bearing combination front end.
Wherein, spindle motor assembly is fixed in the rear side of rear end bearing combination, making rear end bearing combination and the combination of front end bearing be positioned at homonymy auxiliary central spindle rotates. in addition, spindle motor assembly comprises the rotor of stator, the socket of diameter of stator bore place, and the rotor bushing of rotor inner radius socket. the rotor bushing inner ring is provided with Baltimore groove, makes to form the annular gap between the mandrel of rotor bushing and center socket; Offer the oil filler point that is communicated to the gap on the rotor bushing.
Under the optimal way, oil filler point is opened in the end of rotor bushing.The clamping disk(-sc) of mandrel is positioned at electric front-end of spindle.In addition, spindle motor assembly relies on bolt on the casing end face at rear end bearing combination rear end face place by adpting flange.
Above-mentioned spindle motor assembly can use by the exchange of the different torque motors of many moneys different capacities such as low-speed big motor or high-speed high-power motor, realizes the output of the different moments of torsion of electric main shaft different capacity.
Concrete using method comprises the steps:
1, method for dismounting
Take the stiff end of spindle motor assembly and casing end face apart, and the rear side end cap assemblies of spindle motor assembly, pull down stator, expose the oil filler point on the rotor bushing; Inject high-pressure and hydraulic oil by oil filler point, make to produce the fit-up gap between rotor bushing and the mandrel, realize the replacing of spindle motor assembly.
2, installation method
Spindle motor assembly is desired to be installed on the electric main shaft, and the present invention mainly is installed on rotor in the spindle motor assembly and rotor bushing on the mandrel in the hot charging mode, and the stator of then packing into is realized installing with the alignment pin location and the fixing bolt of end face.
The present invention discloses a kind of motor through research and has easily changed the horizontal type turning and milling Compositions of metal-working machines of structure workpiece electricity main shaft.Make it change spindle motor assembly easily according to the needs of processing technology.If this electric main axle structure of machine adopted, then can on a machine tool, not finish the processing of high-speed high-power technological requirement part and the processing of low-speed big technological requirement part under the condition of clamping workpiece not even again not changing lathe.Thereby reach the purpose of a tractor serves several purposes.Improved the working range of single equipment greatly.Saving to a great extent the cost of investment of producing.
Description of drawings
Fig. 1 be under the prior art electric main shaft and spindle motor assembly structural representation is set;
Fig. 2 is the structural representation that is provided with of the present invention's electricity main shaft and spindle motor assembly;
Fig. 3 is the decomposition texture schematic diagram that structure shown in Figure 2 is changed the dismounting state;
Fig. 4 is a spindle motor assembly left side projection structure schematic diagram among Fig. 3;
Fig. 5 is a B place structure for amplifying schematic diagram among Fig. 2.
Embodiment
The horizontal type turning and milling Compositions of metal-working machines that the designed a kind of motor of the present invention is easily changed structure comprises with workpiece electricity main shaft basic structure: interchangeable low-speed big motor and assembly thereof/interchangeable high-speed high-power motor and assembly 1 thereof of changing, rear-end of spindle bearing combination 2, front-end of spindle bearing combine component 3 and main shaft mandrel 4 four most of form (shown in Fig. 2 and 3).Among the figure, spindle motor assembly 1 is fixed in the rear side of rear end bearing combination 2, makes rear end bearing combination 2 and front end bearing combination 3 be positioned at homonymy auxiliary central spindle 4 and rotates.
In addition,, comprise the rotor 12 of stator 11, stator 11 inner radius sockets as the structure of left side spindle motor assembly 1 among Fig. 3, and the rotor bushing 13 of rotor 12 inner radius sockets.In addition, shown in Figure 5 as the figure amplification, rotor bushing 13 inner rings are provided with Baltimore groove, make to form annular gap 32 between rotor bushing 13 and the described mandrel 4; And offer the oil filler point 31 that is communicated to gap 32 on the rotor bushing 13.Under the optimal way, as shown in the figure, oil filler point 31 is opened in the end of rotor bushing 13.
In addition, as described in Fig. 2 and 4, spindle motor assembly 1 relies on bolt at bolt hole 5 places with rely on bearing pin to utilize pin-and-hole 6 to be fixed on the casing end face that rear end bearing makes up 2 rear end face places by adpting flange.
Structure of the present invention, when processing conditions changes, can be according to processing need interchangeable low-speed big motor and assembly thereof/interchangeable change the high-speed high-power motor and assembly satisfies processing request by changing.Needing to consider for real work, is that high-speed high-power motor and assembly thereof are example with dismounting low-speed big motor and unit replacement thereof:
One, dismounting low-speed big motor
(1) dismounting low-speed big motor stator part
When needing dismounting low-speed big motor for processing, pull down the hexagon socket head cap screw that ring flange tightens in the spindle motor assembly earlier, both can directly extract alignment pin and pull down low-speed big motor stator part.Whole process is simple and convenient.
(2) dismounting low-speed big rotor subdivision
The rotor of this electric main axle structure scheme and rotor bushing thereof adopt the method for hot charging to be installed on the main shaft mandrel.Leave the 1.5mm gap at the rotor bushing middle part.Leave oil filler point between rotor bushing end face and rotor bushing and mandrel gap.When dismounting,, in rotor bushing and mandrel gap, inject high-pressure and hydraulic oil by oil filler point in advance for avoiding damaging mandrel.This moment, rotor bushing expanded under the effect of high-pressure and hydraulic oil from inside to outside together with rotor.Produce big fit-up gap.Just can pull down the rotor portion of low-speed big motor this moment easily.
So far whole low-speed big motor unloading process finishes.
Expanding method is used in this kind assembling, need not in its whole operation process by similar rubber hammer, instruments such as drawbench.In disassembly process, can effectively protect electric main shaft mandrel can not lose its original precision because of external force effect formation abrasion.
Two, the high-speed high-power motor is installed
(1) high-speed high-power rotor part is installed
The rotor of this electric main axle structure scheme and rotor bushing thereof adopt the method for hot charging to be installed on the main shaft mandrel.Rotor is embedded to be installed on the rotor bushing.Need before installing rotor bushing is heated to uniform temperature in advance, just the high-speed high-power rotor partly can be pushed the main shaft mandrel then and assemble.Guarantee to assemble back rotor bushing and the main shaft mandrel driving torque that closely cooperates.
(2) high-speed high-power motor stator part is installed
When high-speed high-power motor stator part is installed, at first earlier the high-speed high-power motor stator is partly pushed, the alignment pin on the ring flange is alignd with its respective pin hole.Tightening hexagon socket head cap screw then both can.
So far whole high-speed high-power motor installation process finishes
In addition: in the process of changing motor, because the motor that changes is a unified interface.Its pairing mandrel does not need other replacing.Simple in structure.Convenient and swift and the precision of replacing process is convenient to guarantee.Be convenient to make its standard scheme and carry out systematization production.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (5)
1. the electric spindle arranging structure of an easy to replace motor comprises mandrel (4), and the spindle motor assembly (1) of the described mandrel of socket (4), rear end bearing combination (2) and front end bearing combination (3), it is characterized in that,
Described spindle motor assembly (1) is fixed in the rear side of described rear end bearing combination (2), makes described rear end bearing combination (2) and front end bearing combination (3) be positioned at the auxiliary described mandrel (4) of homonymy and rotates;
Wherein, described spindle motor assembly (1) comprises the rotor (12) of stator (11), described stator (11) inner radius socket, and the rotor bushing (13) of described rotor (12) inner radius socket; Described rotor bushing (13) inner ring is provided with Baltimore groove, makes to form annular gap (32) between described rotor bushing (13) and the described mandrel (4); Offer the oil filler point (31) that is communicated to described gap (32) on the described rotor bushing (13).
2. according to the electric spindle arranging structure of the described easy to replace motor of claim 1, it is characterized in that described oil filler point (31) is opened in the end of described rotor bushing (13).
3. according to the electric spindle arranging structure of the described easy to replace motor of claim 2, it is characterized in that described spindle motor assembly (1) relies on dowel hole (6) location to utilize bolt to make up on the casing end face at (2) rear end face place in described rear end bearing by adpting flange.
4. according to the electric spindle arranging structure of the arbitrary described easy to replace motor of claim 1-3, it is characterized in that described spindle motor assembly (1) is low-speed big motor and assembly thereof, or high-speed high-power motor and assembly thereof.
5. the using method of an easy to replace motor electric spindle arranging structure is characterized in that,
Described electric spindle arranging structure comprises mandrel (4), and the spindle motor assembly (1) of the described mandrel of socket (4), rear end bearing combination (2) and front end bearing combination (3); Described spindle motor assembly (1) is fixed in the rear side of described rear end bearing combination (2), makes described rear end bearing combination (2) and front end bearing combination (3) be positioned at the auxiliary described mandrel (4) of homonymy and rotates; Wherein, described spindle motor assembly (1) comprises the rotor (12) of stator (11), described stator (11) inner radius socket, and the rotor bushing (13) of described rotor (12) inner radius socket; Described rotor bushing (13) inner ring is provided with Baltimore groove, makes to form annular gap (32) between described rotor bushing (13) and the described mandrel (4); Offer the oil filler point (31) that is communicated to described gap (32) on the described rotor bushing (13);
Described using method comprises the step of the described spindle motor assembly of following replacing (1):
S1, take the stiff end of described spindle motor assembly (1) and casing end face apart, and the rear side end cap assemblies of described spindle motor assembly (1), pull down described stator (11), expose the oil filler point (31) on the described rotor bushing (13); Inject high-pressure and hydraulic oil by described oil filler point (31), make to produce the fit-up gap between described rotor bushing (13) and the described mandrel (4), realize the dismounting of described spindle motor assembly (1);
S2, described rotor (12) in the described spindle motor assembly (1) and rotor bushing (13) are installed on the described mandrel (4) in the hot charging mode, the described stator (11) of then packing into, installation is realized in back, the location fixedly bolt of end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101878258A CN101707418B (en) | 2009-10-12 | 2009-10-12 | Electric spindle arranging structure easy to replace motor and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101878258A CN101707418B (en) | 2009-10-12 | 2009-10-12 | Electric spindle arranging structure easy to replace motor and using method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101707418A true CN101707418A (en) | 2010-05-12 |
| CN101707418B CN101707418B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101878258A Active CN101707418B (en) | 2009-10-12 | 2009-10-12 | Electric spindle arranging structure easy to replace motor and using method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024498A (en) * | 2015-07-24 | 2015-11-04 | 永济新时速电机电器有限责任公司 | Shaft removing method for motor rotor core |
| CN107356357A (en) * | 2017-09-13 | 2017-11-17 | 中国船舶重工集团公司第七0三研究所 | A kind of through-flow component quick change construction of Novel disc-type hydraulic dynamometer |
| CN109317699A (en) * | 2018-10-12 | 2019-02-12 | 苏州汇川技术有限公司 | Electric spindle of lathe rotor, method for dismounting and electric spindle of lathe motor |
| CN110193734A (en) * | 2019-06-12 | 2019-09-03 | 安阳工学院 | A kind of interior pushing-type hydraulic withdrawal standard stops the high-power loose broaching tool electro spindle of permanent-magnet synchronous |
-
2009
- 2009-10-12 CN CN2009101878258A patent/CN101707418B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024498A (en) * | 2015-07-24 | 2015-11-04 | 永济新时速电机电器有限责任公司 | Shaft removing method for motor rotor core |
| CN105024498B (en) * | 2015-07-24 | 2017-09-26 | 永济新时速电机电器有限责任公司 | A kind of electric machine rotor iron core moves back axle method |
| CN107356357A (en) * | 2017-09-13 | 2017-11-17 | 中国船舶重工集团公司第七0三研究所 | A kind of through-flow component quick change construction of Novel disc-type hydraulic dynamometer |
| CN109317699A (en) * | 2018-10-12 | 2019-02-12 | 苏州汇川技术有限公司 | Electric spindle of lathe rotor, method for dismounting and electric spindle of lathe motor |
| CN110193734A (en) * | 2019-06-12 | 2019-09-03 | 安阳工学院 | A kind of interior pushing-type hydraulic withdrawal standard stops the high-power loose broaching tool electro spindle of permanent-magnet synchronous |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101707418B (en) | 2012-05-30 |
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Address after: 116600 No. 8, the Yellow Sea street, Dalian economic and Technological Development Zone, Liaoning Patentee after: Dalian Guangyang Science & Technology Engineering Co., Ltd. Address before: 116000 No. 6, Longquan street, Dalian economic and Technological Development Zone, Liaoning Patentee before: Dalian Kede CNC Co., Ltd. |