CN110460199A - A kind of motor body and the electro spindle using the body - Google Patents
A kind of motor body and the electro spindle using the body Download PDFInfo
- Publication number
- CN110460199A CN110460199A CN201810427686.0A CN201810427686A CN110460199A CN 110460199 A CN110460199 A CN 110460199A CN 201810427686 A CN201810427686 A CN 201810427686A CN 110460199 A CN110460199 A CN 110460199A
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- Prior art keywords
- body ontology
- bearing
- duct
- ontology
- concave sink
- Prior art date
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- 238000005498 polishing Methods 0.000 claims abstract description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 23
- 239000010935 stainless steel Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims abstract description 6
- 125000006850 spacer group Chemical group 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000565 sealant Substances 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 230000000750 progressive effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 22
- 238000001816 cooling Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 16
- 239000000428 dust Substances 0.000 description 7
- 210000004907 gland Anatomy 0.000 description 5
- 230000004323 axial length Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Turning (AREA)
Abstract
The invention discloses the electro spindles of a kind of motor body and the application body, belong to polishing machine field, it is desirable to provide and it is a kind of to improve the cooling body of body, to solve the problems, such as that cooling effect is poor in the middle part of body.Its key points of the technical solution are that including body ontology, the body ontology is equipped with axis hole, is connected with axis hole and for the cavity of stator and rotor installation, inside ring cutting has concave sink on the lateral wall of the body ontology, the concave sink is located at the middle part of body ontology, and concave sink is by separating；The lateral wall of the body ontology is equipped with inlet opening and apopore, and the inlet opening and apopore are located at the two sides of partition, and the inlet opening and apopore pass through connectivity slot and be connected to concave sink；The body outer body wall interference fit has the stainless steel sleeve of sealing concave sink；The through-hole being connected to inlet opening and apopore is respectively equipped on the stainless steel sleeve.The present invention is suitable for polishing machine.
Description
Technical field
The present invention relates to a kind of motor body, in particular to the electro spindle of a kind of motor body and the application body.
Background technique
In polishing machine use process, the polishing disk workpieces processing that main shaft drives both ends is directly driven using electricity, since electricity is main
The revolving speed of axis is higher, and when operating can generate a large amount of heat, leads to electro spindle thermal deformation, influences the machining accuracy of electro spindle, sternly
Bearing can be burnt when weight, electro spindle is caused to damage.
As shown in figure 5, existing electro spindle is cooled down using recirculated water, body ontology 1 is along its own length direction
Equipped with several through-holes 19, and several through-holes 19 are circumferentially distributed along the axis of body ontology 1, and one end of two neighboring through-hole 19 passes through
The connection of first through slot 191, the other end is connected to by the second through slot 192, and the first through slot 191 is mutually staggered with the second through slot 192
Setting, each first through slot 191 and the second through slot 192 are sealed by sealing ring 193.Water recycle stream in through-hole 19
It is dynamic, to reduce the temperature of body ontology 1.But this type of cooling is limited to the film-cooled heat at 1 middle part of body ontology, it is cooling
Effect is poor.
Summary of the invention
The first purpose of the invention is to provide a kind of motor body, have the effect of improving cooling in the middle part of body.
First technical purpose of the invention has the technical scheme that
A kind of motor body, including body ontology, body ontology are equipped with axis hole, are connected with axis hole and pacify for stator and rotor
The cavity of dress, inwardly ring cutting has concave sink on the lateral wall of the body ontology, and the concave sink is located at body ontology
Middle part, and concave sink is by separating；
The lateral wall of the body ontology is equipped with inlet opening and apopore, and the inlet opening and apopore are located at partition
Two sides, the inlet opening and apopore pass through connectivity slot and are connected to concave sink；
The body outer body wall interference fit has the stainless steel sleeve of sealing concave sink, is respectively equipped on the stainless steel sleeve
The through-hole being connected to inlet opening and apopore.
By using above-mentioned technical proposal, compared with prior art, when concave sink is processed, by lathe process,
It is more convenient.Stainless steel sleeve and body ontology are assembled in the form of expanding with heat and contract with cold, and make mistake between body ontology and stainless steel sleeve
It is full of cooperation, not only increases the sealing effect of concave sink, also enhance the intensity of body ontology.Water is from by being flowed into water
Hole enters in concave sink along connectivity slot, and moves towards flowing along concave sink, finally flows out from apopore, constantly
Ground circulation, the heat generated when taking away central spindle high speed rotation by way of heat transfer, thus to reduce the temperature of central spindle.Due to
Concave sink is arranged in the middle part of body ontology, therefore increases the film-cooled heat to body ontology middle part and stator, improves cold
But effect.
Further, the groove width of the concave sink is 20~25mm.
By using above-mentioned technical proposal, the groove width of concave sink is excessive, not only weakens the intensity of body ontology, also makes
The contact area obtained between body ontology and stainless steel sleeve becomes smaller, and reduces sealing effect；The groove width of concave sink is too small, to machine
Cooling effect in the middle part of body ontology is poor.The groove width of concave sink is greater than the 1/3 of body ontology axial length, so that groove width is close fixed
The axial length of son improves the cooling effect of stator so that the film-cooled heat of stator increases.
Further, the groove depth of the concave sink is 8~9mm.
By using above-mentioned technical proposal, the groove depth of concave sink is too deep, weakens the intensity of body ontology, body ontology
It is easily deformed, affects the service life of body ontology；The groove depth of concave sink is excessively shallow, enter water in concave sink compared with
Few, so that the heat taken away is few, cooling effect is poor.
Further, sealant is coated on the body outer body wall.
By using above-mentioned technical proposal, when being sealed to concave sink, first on the lateral wall of body ontology
Stainless steel sleeve is mounted on body ontology coated with sealant, then by way of expanding with heat and contract with cold, sealant further increases
The sealing effect of concave sink.
A second object of the present invention is to provide a kind of electro spindle, have the effect of improving the cooling of electro spindle body.
Second technical purpose of the invention has the technical scheme that
A kind of electro spindle, including central spindle, rotor and the stator set gradually from inside to outside, the stator is fixed on machine by jackscrew
In body ontology, the both ends of the central spindle are equipped with bearing assembly and offset assembly, and the bearing assembly is close to stator, the bearing
Component and offset assembly are externally provided with end cap, and the stator is fixed in body ontology by jackscrew, the bearing assembly include according to
The secondary bearing being mounted in central spindle, bearing seal cover and axle sleeve further include motor body described above.
By using above-mentioned technical proposal, central spindle is directly driven using electricity, the polishing assembly at both ends is driven to rotate, thus right
It polishes object and realizes that roughing and finishing once mounting are completed, to reduce the installation number to polishing object, improve working efficiency,
Reduce energy loss, extends the service life of polishing machine.Using the water constantly recycled to body ontology middle part and stator
Cooling down is carried out, the thermal stability and machining accuracy of electro spindle are substantially increased.
Further, the bearing seal covers the venthole being equipped with through its side wall, the end face of the bearing seal cover
It is equipped with and is connected to venthole, and the air inlet parallel with the axis of bearing seal cover；
It is connected with bearing block between the body ontology and the end cap on the right, is equipped in the bearing block vertical with bearing block axis
The first duct, the body ontology is equipped with air pressure inlet, one end is equipped in the body ontology and is connected to air pressure inlet, separately
The second duct of body ontology end face, the one end of second duct far from air pressure inlet and the first hole link are run through in one end.
By using above-mentioned technical proposal, it is equipped with bearing block, when processing the second duct, it is only necessary to from the end of body ontology
Bore the hole parallel with body body axis in face；Otherwise, it needs after piercing, in addition device to hole encrypts seal and is sealed, make
At erroneous for installation, and reduce sealing effect.Support also is played to the right end of body ontology after bearing block and the assembly of body ontology
Effect, improves the intensity of body ontology, extends body ontology service life.First duct and the second hole link form the
One airflow channel seals the second duct far from one end of central spindle, and high pressure gas enters the first airflow channel from air pressure inlet
In, and the air inlet of the bearing seal cover on the right enters between the bearing seal cover and axle sleeve on the right, formation one is closed
Annular sealing gland extends the use of central spindle so that being not easily accessible the dust in process, scrap in body ontology damages central spindle
Service life.When entering the first duct, the gas of part discharges gas from the side that body ontology is contacted with bearing block simultaneously,
So that dust, scrap are not easily accessible in bearing block and body ontology, bearing block is caused to wear, extend bearing block and
The service life of body ontology.
Further, the third duct vertical with body body axis, the body ontology are equipped in the body ontology
Inside it is additionally provided with one end and third hole link, the 4th duct of the other end and the second hole link.
By using above-mentioned technical proposal, when the 4th duct processes, directly continues to bore downwards by third duct, reduce and add
Work process.Third duct and the 4th hole link form the second airflow channel, seal to third duct far from one end of central spindle, gas
Body from the second airflow channel, and the air inlet of the bearing seal cover from the left side enter the left side bearing seal cover and axle sleeve it
Between, a closed annular sealing gland is formed, so that being not easily accessible the dust in process, scrap in body ontology damages axis
Core extends the service life of central spindle.
Further, the offset assembly includes eccentric bearing block, driven shaft, driven bearing, clump weight and polishing disk, institute
It states driven bearing and clump weight is mounted in eccentric bearing block, the driven shaft is socketed in driven bearing, the polishing disk
Center is fixed on the one end of driven shaft far from axle sleeve.
By using above-mentioned technical proposal, the form matched using eccentric bearing block, clump weight, driven shaft reduces axis
The centrifugal force that core is subject to extends the service life of central spindle, while also improving workpiece surface so that central spindle work is more stable
Precision reduces the noise generated when workpiece polishing.
Further, the eccentric bearing block includes interconnecting piece, eccentric part and inside flange, and the flange is located at bias
The one end of bearing block far from interconnecting piece, the tube wall of the eccentric part is from a side to other side progressive additive.
There is certain beat amplitude by using above-mentioned technical proposal, when eccentric bearing block makes polishing disk work, polishes
The area of area ratio polishing disk out is big, meanwhile, cutting force is also increased, so that polishing speed is faster, improves work effect
Rate.
Further, the clump weight is becket, and the ring wall of the becket is from a side to other side progressive additive, institute
State becket thicken direction and eccentric part thicken that direction is consistent, the junction of the thin ring wall of the becket and thick ring wall is logical
Cross the circular sliding slopes being recessed inwardly；
The eccentric bearing block internal screw thread is connected with spacer pin, and the circular arc that the spacer pin and becket are recessed inwardly contradicts.
By using above-mentioned technical proposal, clump weight plays counterweight effect to eccentric bearing block, by spacer pin to counterweight
Block is limited, so that clump weight is not easy to shake in limiting section, to influence to polish precision.Due to using spacer pin,
The clump weight that different weight can be replaced according to demand, improves the applicability of clump weight.
In conclusion the invention has the following advantages:
1. concave sink and stainless steel sleeve are used, to increase to the cooling effect in the middle part of body ontology；
2. sealant is used, to enhance stainless steel sleeve to the sealing effect of concave sink；
3. using bearing block, to facilitate the second duct of processing, the intensity of body ontology is enhanced, body ontology is improved
Sealing；
4. the first duct, the second duct, third duct and the 4th duct are used, to make the dust in process, scrap
It is not easily accessible in body ontology and damages central spindle, extend the service life of central spindle.
Detailed description of the invention
Fig. 1 is in embodiment 1 for embodying concave sink, inlet opening, apopore, the connection relationship signal between connectivity slot
Figure；
Fig. 2 is in embodiment 1 for embodying the connection relationship diagram between stainless steel sleeve and body ontology；
Fig. 3 is in embodiment 2 for embodying body ontology, end cap, bearing assembly, the connection relationship signal between offset assembly
Figure；
Fig. 4 is in embodiment 2 for embodying interconnecting piece, eccentric part, the connection relationship diagram between flange；
Fig. 5 is the connection relationship diagram between through-hole, the first through slot, the second through slot and sealing ring in the prior art.
In figure, 1, body ontology；11, axis hole；12, cavity；13, concave sink；14, separate；15, inlet opening；16, it is discharged
Hole；17, connectivity slot；18, air pressure inlet；181, the second duct；182, third duct；183, the 4th duct；19, through-hole；191,
First through hole；192, the second through-hole；193, sealing ring；2, rotor；3, stator；4, central spindle；5, bearing assembly；51, bearing；52,
Bearing seal cover；521, venthole；522, air inlet；53, axle sleeve；6, offset assembly；61, eccentric bearing block；611, interconnecting piece；
612, eccentric part；613, flange；614, spacer pin；62, driven shaft；63, driven bearing；64, polishing disk；65, clump weight；7, axis
Hold seat；71, the first duct；8, end cap；9, stainless steel sleeve；91, through-hole.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1: a kind of motor body is equipped with axis on body ontology 1 as depicted in figs. 1 and 2, including body ontology 1
Hole 11, the cavity 12 for being connected with axis hole 11 and being installed for stator 3 and rotor 2.
As shown in Figure 1, inwardly ring cutting has concave sink 13 in the middle part of the lateral wall of body ontology 1, and concave sink 13 passes through
Partition 14 separates.1 lateral wall of body ontology is equipped with inlet opening 15 and apopore 16, and inlet opening 15 and apopore 16 are located at partition
14 two sides, and it is close to one end end face of body ontology 1.Inlet opening 15 and apopore 16 pass through connectivity slot 17 and concave water
Slot 13 is connected to.
As shown in Figure 1,1 lateral wall of body ontology interference fit has the stainless steel sleeve 9(of sealing concave sink 13 referring to figure
2).Stainless steel sleeve 9 is equipped with the through-hole 91(being connected to respectively with inlet opening 15 and apopore 16 referring to fig. 2).Stainless steel sleeve 9 is installed
When, stainless steel sleeve 9 is mounted on body ontology 1 by way of expanding with heat and contract with cold, and through-hole 91 respectively with inlet opening 15 and
Apopore 16 is aligned.In order to improve the sealing to concave sink 13, before the installation of stainless steel sleeve 9, first at 1 both ends of body ontology
Lateral wall on be coated with sealant, then stainless steel sleeve 9 is installed again.
As shown in figure 3, the groove width of concave sink 13 is 20~25mm.The groove width of concave sink 13 is excessive, reduces body
Contact area between ontology 1 and stainless steel sleeve 9, reduces sealing effect；The groove width of concave sink 13 is too small, to body ontology
The cooling effect at 1 middle part is deteriorated.Therefore, the groove width of concave sink 13 is greater than the 1/3 of 1 axial length of body ontology, so that concave
The groove width of sink 13 increases the film-cooled heat of stator 3 close to the length of stator 3, improves the cooling effect of stator 3.
As shown in figure 3, the groove depth of concave sink 13 is 8~9mm.The groove depth of concave sink 13 is too deep, weakens body sheet
The intensity of body 1 causes body ontology 1 to deform, affects the service life of body ontology 1；Groove depth is excessively shallow, so that entering concave
Water in sink 13 tails off, and cooling effect is poor.
Specific implementation process: when body ontology 1 is processed, concave sink 13 is directly gone out by lathe process, inlet opening 15, is gone out
Water hole 16 and connectivity slot 17, it is easy to process.When installation, sealant is coated with first on the lateral wall of body ontology 1, then pass through
Stainless steel sleeve 9 is mounted on body ontology 1 by the mode expanded with heat and contract with cold.When installation, the through-hole 91 of stainless steel sleeve 9 respectively with water inlet
Hole 15 and apopore 16 are aligned.Water is flowed into inlet opening 15 from through-hole 91, enters in concave sink 13 along connectivity slot 17, and
Flowing is moved towards along concave sink 13, is finally flowed out from apopore 16, is constantly recycled, axis is taken away by way of heat transfer
The heat generated when 4 high speed rotation of core, to extend body to reduce the temperature at 3 middle part of central spindle 4, body ontology 1 and stator
Ontology 1, central spindle 4, the service life of stator 3.
Embodiment 2: a kind of electro spindle, as shown in figure 3, include embodiment 1 in motor body, further include from inside to outside according to
Central spindle 4, rotor 2 and the stator 3 of secondary setting, stator 3 are fixed in body ontology 1 by jackscrew.The both ends of central spindle 4 are equipped with axis
Bearing assembly 5 and offset assembly 6, bearing assembly 5 are covered with end cap 8 close to stator 3, in bearing assembly 5 and offset assembly 6.
As shown in figure 3, bearing assembly 5 includes bearing 51, bearing seal cover 52 and the axle sleeve being sequentially arranged in central spindle 4
53。
As shown in Figure 3 and Figure 4, offset assembly 6, the driven bearing 63 that is mounted in eccentric bearing block 61 and clump weight 65,
The driven shaft 62 that is mounted in driven bearing 63 and it is mounted on polishing disk 64 of the driven shaft 62 far from 53 one end of axle sleeve.Capacity eccentric bearing
Seat 61, clump weight 65, driven shaft 62 match, and reduce the centrifugal force that central spindle 4 is subject to, so that the work of central spindle 4 is more stable, simultaneously
The surface accuracy of workpieces processing is also improved, the noise generated when workpiece polishing is reduced.
As shown in figure 4, eccentric bearing block 61 includes interconnecting piece 611, eccentric part 612 and inside flange 613.Interconnecting piece
611 for being threadedly coupled axle sleeve 53(referring to Fig. 3).Eccentric part 612 is close to interconnecting piece 611, and the tube wall of eccentric part 612 is by side
To other side progressive additive.Flange 613 is located at the one end of eccentric bearing block 61 far from axle sleeve 53.Eccentric bearing block 61 to polish
Disk 64(is referring to Fig. 3) work when have certain beat amplitude, the area for making to polish the area ratio polishing disk 64 come is big, meanwhile,
Cutting force is also increased, so that polishing speed is faster, is improved work efficiency.
As shown in figure 4, clump weight 65 is becket, and the ring wall of becket is from a side to other side progressive additive, and gold
Belong to ring thicken direction and eccentric bearing block 61 to thicken direction consistent.The thin ring wall of becket and the junction of thick ring wall pass through
The circular sliding slopes being recessed inwardly, 61 internal screw thread of eccentric bearing block is connected with spacer pin 614, and spacer pin 614 and becket are inside
The circular arc of recess contradicts.Limit is fixed to clump weight 65 in spacer pin 614, so that polishing machine is during the work time, limited block
It is not easy to shake in limiting section and influence polishing precision, meanwhile, spacer pin 614 can also carry out after the clump weight 65 to different weight
Fixed limit, improves the applicability of clump weight 65.
As shown in figure 3, be connected with bearing block 7 between body ontology 1 and the end cap on the right 8, it is equipped in bearing block 7 and bearing
The first vertical duct 71 of 7 axis of seat.Body ontology 1 is equipped with air pressure inlet 18, is equipped with one end in body ontology 1 and enters with air pressure
Mouthfuls 18 are connected to, and the other end runs through the second duct 181 of 1 end face of body ontology, and the second duct 181 far from air pressure inlet 18 one
End is connected to the first duct 71.Bearing seal cover 52 be equipped with through its side wall venthole 521 and be connected to venthole 521
Air inlet 522, and air inlet 522 and the axis of bearing seal cover 52 are arranged in parallel.When processing the second duct 181, Ke Yizhi
It connects from the end face of body ontology 1 and processes.First duct 71 is sealed far from one end of 1 central spindle 4 of body ontology, the first duct 71
The first airflow channel is formed with the second duct 181, high pressure gas enters the first airflow channel from air pressure inlet 18, from the right
The air inlet 522 of bearing seal cover 52 enters between the bearing seal cover 52 and axle sleeve 53 on the right, forms a closed annular
Sealing gland extends central spindle 4 so that the dust, scrap in process are not easily accessible damage central spindle 4 in body ontology 1
Service life.Meanwhile gas from the side gap that body ontology 1 is contacted with bearing block 7 to outlet so that dust be not easy into
Enter into 51, bearing and body ontology 1, extends the service life of 51, bearing and body ontology 1.
As shown in figure 3, the third duct 182 vertical with 1 axis of body ontology is equipped in body ontology 1, in body ontology 1
It is additionally provided with one end to be connected to third duct 182, the 4th duct 183 that the other end is connected to the second duct 181.4th duct 183
Continue to process downwards by the second duct 181, third duct 182 directly processes downwards from the lateral wall of body ontology 1, finally again will
Third duct 182 is sealed far from one end of central spindle 4.Third duct 182 and the 4th duct 183 form the second airflow channel, enter
The high pressure gas of air pressure inlet 18 makes the bearing on the left side from the bearing seal cover 52 that the second airflow channel enters the left side
A closed annular sealing gland is formed between sealing cover 52 and the axle sleeve on the left side 53, so that dust be made to be hardly damaged central spindle 4.
Specific implementation process: when polishing machine works, being powered using stator 3 and generate field drives rotor 2 and the rotation of central spindle 4,
Mechanical energy directly is converted electric energy to, reduces energy loss.In the course of work, high pressure gas enters from air pressure inlet 18, and
It is entered between the bearing seal cover 52 and axle sleeve 53 at 4 both ends of central spindle from the first airflow channel and the second airflow channel respectively, shape
Extend at a closed annular sealing gland so that occupational dusts, scrap are not easily accessible damage central spindle 4 in body ontology 1
The service life of central spindle 4.Meanwhile the cooling water recycled in 1 middle concave sink 13 of body ontology is by production when 4 high speed rotation of central spindle
Raw heat is taken away, improve central spindle 4, body ontology 1, stator 3 cooling effect, improve polishing machine efficiency and processing essence
Degree.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present invention after reading this specification, but as long as in this hair
All by the protection of Patent Law in bright scope of the claims.
Claims (10)
1. a kind of motor body, including body ontology (1), body ontology (1) is equipped with axis hole (11), is connected with axis hole (11)
And for the cavity (12) of stator (3) and rotor (2) installation, it is characterized in that: inside ring cutting on the lateral wall of the body ontology (1)
Have concave sink (13), the concave sink (13) is located at the middle part of body ontology (1), and concave sink (13) passes through partition
(14) it separates；
The lateral wall of the body ontology (1) is equipped with inlet opening (15) and apopore (16), the inlet opening (15) and water outlet
Hole (16) is located at the two sides of partition (14), and the inlet opening (15) and apopore (16) pass through connectivity slot (17) and concave
Sink (13) connection；
Body ontology (1) the lateral wall interference fit has the stainless steel sleeve (9) of sealing concave sink (13), the stainless steel sleeve
(9) through-hole (91) being connected to inlet opening (15) and apopore (16) is respectively equipped on.
2. a kind of motor body according to claim 1, it is characterized in that: the groove width of the concave sink (13) be 20~
25mm。
3. a kind of motor body according to claim 2, it is characterized in that: the groove depth of the concave sink (13) be 8~
9mm。
4. a kind of motor body according to claim 3, it is characterized in that: being coated on the body ontology (1) lateral wall
Sealant.
5. a kind of electro spindle, including central spindle (4), rotor (2) and the stator (3) set gradually from inside to outside, the stator (3) is logical
It crosses jackscrew to be fixed in body ontology (1), the both ends of the central spindle (4) are equipped with bearing assembly (5) and offset assembly (6), institute
Bearing assembly (5) are stated close to stator (3), the bearing assembly (5) and offset assembly (6) are externally provided with end cap (8), the bearing group
Part (5) includes bearing (51), bearing seal cover (52) and the axle sleeve (53) being sequentially arranged on central spindle (4), it is characterized in that: including
Motor body described in any one of Claims 1-4.
6. a kind of electro spindle according to claim 5, it is characterized in that: the bearing seal cover (52), which is equipped with, runs through its side
The venthole (521) of wall, the end face of the bearing seal cover (52) is equipped with to be connected to venthole (521), and and bearing seal
Cover the parallel air inlet (522) of the axis of (52)；
It is connected with bearing block (7), is equipped in the bearing block (7) and axis between the body ontology (1) and the end cap (8) on the right
Vertical the first duct (71) of seat (7) axis is held, the body ontology (1) is equipped with air pressure inlet (18), the body ontology
(1) it is equipped with one end in be connected to air pressure inlet (18), the other end runs through second duct (181) of body ontology (1) end face, described
Second duct (181) is connected to far from the one end of air pressure inlet (18) with the first duct (71).
7. a kind of electro spindle according to claim 6, it is characterized in that: being equipped with and body ontology in the body ontology (1)
(1) axis vertical third duct (182) is additionally provided with one end in the body ontology (1) and is connected to third duct (182), separately
The 4th duct (183) that one end is connected to the second duct (181).
8. a kind of electro spindle according to claim 5, it is characterized in that: the offset assembly (6) includes eccentric bearing block
(61), driven shaft (62), driven bearing (63), clump weight (65) and polishing disk (64), the driven bearing (63) and clump weight
(65) it is mounted in eccentric bearing block (61), the driven shaft (62) is socketed in driven bearing (63), the polishing disk (64)
Center be fixed on driven shaft (62) far from axle sleeve (53) one end.
9. a kind of electro spindle according to claim 8, it is characterized in that: the eccentric bearing block (61) includes interconnecting piece
(611), eccentric part (612) and inside flange (613), the flange (613) are located at eccentric bearing block (61) far from interconnecting piece
(611) one end, the tube wall of the eccentric part (612) is from a side to other side progressive additive.
10. a kind of electro spindle according to claim 9, it is characterized in that: the clump weight (65) is becket, the metal
The ring wall of ring from a side to other side progressive additive, the becket thicken direction and eccentric part (612) thicken direction one
It causes, the junction of the thin ring wall of the becket and thick ring wall passes through the circular sliding slopes being recessed inwardly；
Eccentric bearing block (61) internal screw thread is connected with spacer pin (614), and the spacer pin (614) is recessed inwardly with becket
Circular arc contradict.
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| CN201810427686.0A CN110460199A (en) | 2018-05-07 | 2018-05-07 | A kind of motor body and the electro spindle using the body |
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| CN201810427686.0A CN110460199A (en) | 2018-05-07 | 2018-05-07 | A kind of motor body and the electro spindle using the body |
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| CN208190458U (en) * | 2018-05-07 | 2018-12-04 | 常州市特洛伊机电有限公司 | A kind of motor body and the electro spindle using the body |
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| CN102904386A (en) * | 2012-09-07 | 2013-01-30 | 联合汽车电子有限公司 | Water jacket structure for cooling of motor stator |
| CN204381422U (en) * | 2014-12-26 | 2015-06-10 | 广州市昊志机电股份有限公司 | The cooling structure of electro spindle |
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