CN208913153U - A kind of permanent magnet synchronization motor spindle structure - Google Patents
A kind of permanent magnet synchronization motor spindle structure Download PDFInfo
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- CN208913153U CN208913153U CN201821263400.1U CN201821263400U CN208913153U CN 208913153 U CN208913153 U CN 208913153U CN 201821263400 U CN201821263400 U CN 201821263400U CN 208913153 U CN208913153 U CN 208913153U
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Abstract
The utility model discloses a kind of permanent magnet synchronization motor spindle structures, it includes steel cylinder, stator, rotor, multiple groups permanent magnet is coated on the outside of rotor, the rear end of steel cylinder is equipped with rear bearing block, back-cover, cylinder assembly, pull rod is equipped in rotor, pull rod is connected with the driving end of cylinder assembly, steel cylinder is fixedly arranged at the front end with front-end bearing pedestal, knife handle is inserted in the front opening of rotor, the rear end of knife handle and the front end of pull rod are connected by tool-broaching mechanism, the front-loading of knife handle has cutter, the rear end face of back-cover is fixed with encoder, the rear end of rotor is fixed with encoder index dial, the lateral wall of encoder index dial is formed with teeth, the induction end of encoder is towards teeth, the rear end face of back-cover is fixed with cabling cavity, the side of cabling cavity offers lead wire outlet, the both ends of cabling cavity are respectively formed with forceful electric power line mouth and weak electric wire mouth.The utility model has the characteristics that high-precision, high rigidity, high torque, can obtain rotational travel, can avoid electric signal crosstalk.
Description
Technical field
The utility model relates to electro spindle more particularly to a kind of permanent magnet synchronization motor spindle structures.
Background technique
The electric main shaft device of the prior art, built-in motor are mostly asynchronous machine, the cast-aluminum rotor built in asynchronous machine by
In aluminum process defect itself, it is different to be easy to produce aluminum strip compactness, causes to be easy to produce shake when motor operation, physics is related
Parametric stability is poor, for the disadvantage, how to make main shaft that there is higher rigidity and running speed, precision to become urgently to be resolved
Problem.Meanwhile existing electric main shaft device only has driving function, and lack the functions such as step counting, rotational travel acquisition, it is difficult to meet
Application demand.It in addition, including forceful electric power line and weak electric wire in the lead of existing electro spindle, and is usually to walk strong and weak electric wire simultaneously
Line, this results in heavy current to interfere signal wire, and then influences the accurate delivery of signal.
Utility model content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of high-precision, Gao Gang
Property, high revolving speed, high torque, can obtain rotational travel, can avoid electric signal crosstalk permanent magnet synchronization motor spindle structure.
In order to solve the above technical problems, the utility model adopts the following technical solution.
A kind of permanent magnet synchronization motor spindle structure comprising have steel cylinder, stator is fixed in the steel cylinder, is worn in the stator
Rotor equipped with hollow form is coated with multiple groups permanent magnet on the outside of the rotor, and the magnet ring is around in the rotor and two
Person is fixedly connected, and the rear end of the steel cylinder is fixed with rear bearing block, is equipped with rear bearing in the rear bearing block, after the rotor
End is across the rear bearing, and the rear end of the rear bearing block is fixed with back-cover, and the rear end of the back-cover is fixed with cylinder assembly, institute
The rear end at the driving end and the rotor of stating cylinder assembly all extends in the back-cover, and pull rod is equipped in the rotor, and
The pull rod is connected with the driving end of the cylinder assembly, and the steel cylinder is fixedly arranged at the front end with front-end bearing pedestal, the fore bearing
Fore bearing is equipped in seat, the front end of the rotor passes through the fore bearing, and is inserted with knife handle in the front opening of the rotor,
The rear end of the knife handle is connect with the front end of the pull rod by a tool-broaching mechanism, and the front-loading of the knife handle has cutter, institute
The rear end face for stating back-cover is fixed with encoder, and the rear end of the rotor is fixed with encoder index dial, the encoder index dial
Lateral wall be formed with teeth, for the induction end of the encoder towards the teeth, the rear end face of the back-cover is fixed with cabling
Cavity, the side of the cabling cavity offer lead wire outlet, and the both ends of the cabling cavity are respectively formed with forceful electric power line mouth and weak
Electric wire mouth, the forceful electric power line that the lead wire outlet is drawn are pierced by by the forceful electric power line mouth, and the weak electric wire that the lead wire outlet is drawn is by described
Weak electric wire mouth is pierced by.
Preferably, the cabling cavity is arc-shaped.
Preferably, the cabling cavity includes arc-shaped wire casing and arc-shaped cover board, the arc-shaped cover plate lid together in
Arc-shaped wire casing and the two is fixedly connected.
Preferably, the front-end bearing pedestal is fixedly arranged at the front end with bearing plate, and the bearing plate is connected to the fore bearing.
Preferably, the front end sleeve of the rotor is equipped with the dustproof cover and waterproof cover set gradually from the front to the back, and described anti-
Dirt lid and waterproof cover are fixedly connected with the rotor.
Preferably, the front end face of the bearing plate is fixed with dust ring, the dust ring be surrounded on the dustproof cover and
Therebetween it is equipped with gap.
Preferably, the cylinder assembly includes cylinder head, and the front end of the cylinder head is successively fixed with multiple cylinder bodies, often
A piston is equipped in a cylinder body, and the piston is slidably connected with the cylinder body, is formed with piston rod at the center of the piston,
And the piston rod of two neighboring piston is fixedly and coaxially connected, driving of the piston rod as the cylinder assembly positioned at front end
End.
Preferably, the rear end face of the back-cover is fixed with multiple gas nozzles and multiple water nozzles, the cylinder head and cylinder body it is outer
Side wall corresponds to the gas nozzle and water nozzle and offers avoiding hollow groove.
Preferably, set in the front-end bearing pedestal there are two fore bearing, be folded between two fore bearings inner split ring and outside every
Ring, the rear and front end of the inner split ring are connected to the inner ring of two fore bearings respectively, and the rear and front end of the outer spacer ring is supported respectively
It is connected to the outer ring of two fore bearings.
Preferably, the driving end of the cylinder assembly and the junction of the pull rod are equipped with check valve assembly.
In permanent magnet synchronization motor spindle structure disclosed by the utility model, due to being coated with multiple groups permanent magnet on the outside of rotor,
To forming permanent magnetic synchronous motor structure, which makes electro spindle have the property of high-precision, high rigidity, high revolving speed, high torque
Energy.Meanwhile under the mating reaction of encoder and encoder index dial, rotational travel can be accurately obtained, and then meet electro spindle
Application demand.In addition, the utility model is provided with cabling cavity in the rear end face of back-cover, so that the forceful electric power line that lead wire outlet is drawn
It is pierced by by the forceful electric power line mouth, the weak electric wire of extraction is pierced by by the weak electric wire mouth, and then avoids heavy current to signal wire
Interference, substantially increases the accuracy and reliability of signals transmission.
Detailed description of the invention
Fig. 1 is the exploded view of the utility model permanent magnet synchronization motor spindle structure.
Fig. 2 is the end face structure figure of back-cover.
Fig. 3 is the exploded view of cabling cavity.
Fig. 4 is the exploded view of cylinder assembly.
Fig. 5 is the structure chart of back-cover, gas nozzle and water nozzle.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a kind of permanent magnet synchronization motor spindle structures, in conjunction with shown in Fig. 1 to Fig. 5 comprising have steel cylinder
1, stator 2 is fixed in the steel cylinder 1, the rotor 3 of hollow form is equipped in the stator 2, the outside of the rotor 3 is coated with
Multiple groups permanent magnet 30, the permanent magnet 30 is surrounded on the rotor 3 and the two is fixedly connected, and the rear end of the steel cylinder 1 is fixed with
Rear bearing block 4, the rear bearing block 4 is interior to be equipped with rear bearing 40, and the rear end of the rotor 3 passes through the rear bearing 40, after described
The rear end of bearing block 4 is fixed with back-cover 5, and the rear end of the back-cover 5 is fixed with cylinder assembly 6, the driving end of the cylinder assembly 6
60 and the rear end of the rotor 3 all extend in the back-cover 5, pull rod 7, and the pull rod 7 and institute are equipped in the rotor 3
The driving end 60 for stating cylinder assembly 6 is connected, and the steel cylinder 1 is fixedly arranged at the front end with front-end bearing pedestal 8, sets in the front-end bearing pedestal 8
There is fore bearing 80, the front end of the rotor 3 passes through the fore bearing 80, and is inserted with knife handle in the front opening of the rotor 3
9, the rear end of the knife handle 9 is connect with the front end of the pull rod 7 by a tool-broaching mechanism 10, and the front-loading of the knife handle 9 has
Cutter 11, the rear end face of the back-cover 5 are fixed with encoder 50, and the rear end of the rotor 3 is fixed with encoder index dial 51, institute
The lateral wall for stating encoder index dial 51 is formed with teeth 510, and the induction end of the encoder 50 is towards the teeth 510, institute
The rear end face for stating back-cover 5 is fixed with cabling cavity 12, and the side of the cabling cavity 12 offers lead wire outlet 120, the cabling
The both ends of cavity 12 are respectively formed with forceful electric power line mouth 121 and weak electric wire mouth 122, and the forceful electric power line that the lead wire outlet 120 is drawn is by institute
It states forceful electric power line mouth 121 to be pierced by, the weak electric wire that the lead wire outlet 120 is drawn is pierced by by the weak electric wire mouth 122.
In above-mentioned permanent magnet synchronization motor spindle structure, since the outside of rotor 3 is coated with multiple groups permanent magnet 30, to be formed forever
Magnetic-synchro electric machine structure, the structure make electro spindle have high-precision, high rigidity, high revolving speed, high torque performance.Meanwhile
Under the mating reaction of encoder 50 and encoder index dial 51, rotational travel can be accurately obtained, and then meets the application of electro spindle
Demand.In addition, the utility model is provided with cabling cavity 12 in the rear end face of back-cover 5, so that the forceful electric power line that lead wire outlet 120 is drawn
It is pierced by by the forceful electric power line mouth 121, the weak electric wire of extraction is pierced by by the weak electric wire mouth 122, and then avoids heavy current to letter
The interference of number line, substantially increases the accuracy and reliability of signals transmission.
In order to extend cable run distance, in the present embodiment, in conjunction with shown in Fig. 2 and Fig. 3, the cabling cavity 12 is arc-shaped.
About the specific structure of cabling cavity 12, in the present embodiment, the cabling cavity 12 includes arc-shaped wire casing 123
With arc-shaped cover board 124, the arc-shaped cover board 124 is covered on arc-shaped wire casing 123 and the two is fixedly connected.
The front-end bearing pedestal 8 is fixedly arranged at the front end with bearing plate 81 as a preferred method, and the bearing plate 81 supports
It is connected to the fore bearing 80.
Further, the front end sleeve of the rotor 3 is equipped with the dustproof cover 31 and waterproof cover 32 set gradually from the front to the back, and
The dustproof cover 31 and waterproof cover 32 are fixedly connected with the rotor 3.On this basis, the front end face of the bearing plate 81
It is fixed with dust ring 33, the dust ring 33 is surrounded on the dustproof cover 31 and is equipped with gap therebetween.
About the concrete composition of cylinder assembly 6, referring to figure 4., the cylinder assembly 6 includes cylinder head 62, the gas
The front end of cylinder cap 62 is successively fixed with multiple cylinder bodies 63, is equipped with a piston 64 in each cylinder body 63, and the piston 64 with it is described
Cylinder body 63 is slidably connected, and piston rod is formed at the center of the piston 64, and the piston rod of two neighboring piston 64 is coaxially solid
Fixed connection, positioned at driving end 60 of the piston rod as the cylinder assembly 6 of front end.
In conjunction with shown in Fig. 4 and Fig. 5, in the present embodiment, the rear end face of the back-cover 5 is fixed with multiple gas nozzles 52 and multiple
The lateral wall of water nozzle 53, the cylinder head 62 and cylinder body 63 corresponds to the gas nozzle 52 and water nozzle 53 and offers avoiding hollow groove 65.
Fig. 1 is please referred to as a preferred method, is set in the front-end bearing pedestal 8 there are two fore bearing 80, two fore bearings
Inner split ring 82 and outer spacer ring 83 are folded between 80, the rear and front end of the inner split ring 82 is connected to two fore bearings 80 respectively
The rear and front end of inner ring, the outer spacer ring 83 is connected to the outer ring of two fore bearings 80 respectively.Based on above structure, the present embodiment
Multi-point support rotor assembly is realized, and increases axial distance, so that main shaft has preferably rigidity.
In the present embodiment, the driving end 60 of the cylinder assembly 6 and the junction of the pull rod 7 are equipped with check valve assembly
14.Wherein, a gas nozzle 52 of 5 rear end face of back-cover is connected with the inner cavity of back-cover 5, while one end connection of check valve assembly 14
In back-cover 5, the other end is connected to the central airway of pull rod 7, therefore, driving end 60 and the pull rod 7 when cylinder assembly 6
When dynamic, it can be realized by trigger check valve component 14 to the gas flow optimized in 7 central airway of pull rod, be facilitated by the air-flow
The front end of pull rod 7, which executes, unloads knife operation.
The above is the utility model preferred embodiment, is not intended to limit the utility model, all practical at this
Modification, equivalent replacement or the improvement etc. made in novel technical scope, should be included in the model that the utility model is protected
In enclosing.
Claims (10)
1. a kind of permanent magnet synchronization motor spindle structure, which is characterized in that include steel cylinder (1), be fixed with stator in the steel cylinder (1)
(2), it is equipped with the rotor (3) of hollow form in the stator (2), is coated with multiple groups permanent magnet (30) on the outside of the rotor (3),
The permanent magnet (30) is surrounded on the rotor (3) and the two is fixedly connected, and the rear end of the steel cylinder (1) is fixed with rear bearing block
(4), rear bearing (40) are equipped in the rear bearing block (4), the rear end of the rotor (3) passes through the rear bearing (40), described
The rear end of rear bearing block (4) is fixed with back-cover (5), and the rear end of the back-cover (5) is fixed with cylinder assembly (6), the air cylinder group
The driving end (60) of part (6) and the rear end of the rotor (3) all extend in the back-cover (5), are equipped in the rotor (3)
Pull rod (7), and the pull rod (7) is connected with the driving end (60) of the cylinder assembly (6), the front end of the steel cylinder (1) is solid
Surely have front-end bearing pedestal (8), be equipped with fore bearing (80) in the front-end bearing pedestal (8), the front end of the rotor (3) passes through the front axle
It holds (80), and is inserted with knife handle (9) in the front opening of the rotor (3), the rear end and the pull rod (7) of the knife handle (9)
Front end by a tool-broaching mechanism (10) connect, the front-loading of the knife handle (9) has cutter (11), after the back-cover (5)
End face is fixed with encoder (50), and the rear end of the rotor (3) is fixed with encoder index dial (51), the encoder index dial
(51) lateral wall is formed with teeth (510), and the induction end of the encoder (50) is towards the teeth (510), the back-cover
(5) rear end face is fixed with cabling cavity (12), and the side of the cabling cavity (12) offers lead wire outlet (120), it is described walk
The both ends of line chamber body (12) are respectively formed with forceful electric power line mouth (121) and weak electric wire mouth (122), what the lead wire outlet (120) was drawn
Forceful electric power line is pierced by by the forceful electric power line mouth (121), and the weak electric wire that the lead wire outlet (120) is drawn is by the weak electric wire mouth (122)
It is pierced by.
2. permanent magnet synchronization motor spindle structure as described in claim 1, which is characterized in that the cabling cavity (12) is in circular arc
Shape.
3. permanent magnet synchronization motor spindle structure as described in claim 1, which is characterized in that the cabling cavity (12) includes circle
Arc wire casing (123) and arc-shaped cover board (124), the arc-shaped cover board (124) are covered on arc-shaped wire casing (123) and two
Person is fixedly connected.
4. permanent magnet synchronization motor spindle structure as described in claim 1, which is characterized in that the front end of the front-end bearing pedestal (8) is solid
Surely have bearing plate (81), the bearing plate (81) is connected to the fore bearing (80).
5. permanent magnet synchronization motor spindle structure as claimed in claim 4, which is characterized in that the front end sleeve of the rotor (3) is equipped with
The dustproof cover (31) and waterproof cover (32) set gradually from the front to the back, and the dustproof cover (31) and waterproof cover (32) with it is described
Rotor (3) is fixedly connected.
6. permanent magnet synchronization motor spindle structure as claimed in claim 5, which is characterized in that the front end face of the bearing plate (81)
It is fixed with dust ring (33), the dust ring (33) is surrounded on the dustproof cover (31) and is equipped with gap therebetween.
7. permanent magnet synchronization motor spindle structure as described in claim 1, which is characterized in that the cylinder assembly (6) includes gas
The front end of cylinder cap (62), the cylinder head (62) is successively fixed with multiple cylinder bodies (63), and a piston is equipped in each cylinder body (63)
(64), and the piston (64) is slidably connected with the cylinder body (63), is formed with piston rod at the center of the piston (64), and
The piston rod of two neighboring piston (64) is fixedly and coaxially connected, and the piston rod positioned at front end is as the cylinder assembly (6)
It drives end (60).
8. permanent magnet synchronization motor spindle structure as claimed in claim 7, which is characterized in that the rear end face of the back-cover (5) is fixed
There are multiple gas nozzles (52) and multiple water nozzles (53), the cylinder head (62) corresponds to the gas nozzle (52) with the lateral wall of cylinder body (63)
Avoiding hollow groove (65) are offered with water nozzle (53).
9. permanent magnet synchronization motor spindle structure as described in claim 1, which is characterized in that be equipped with two in the front-end bearing pedestal (8)
A fore bearing (80) is folded with inner split ring (82) and outer spacer ring (83) between two fore bearings (80), the inner split ring (82)
Rear and front end is connected to the inner ring of two fore bearings (80) respectively, and the rear and front end of the outer spacer ring (83) is connected to two respectively
The outer ring of fore bearing (80).
10. permanent magnet synchronization motor spindle structure as claimed in claim 7, which is characterized in that the driving end of the cylinder assembly (6)
(60) check valve assembly (14) are equipped with the junction of the pull rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263400.1U CN208913153U (en) | 2018-08-07 | 2018-08-07 | A kind of permanent magnet synchronization motor spindle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263400.1U CN208913153U (en) | 2018-08-07 | 2018-08-07 | A kind of permanent magnet synchronization motor spindle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208913153U true CN208913153U (en) | 2019-05-31 |
Family
ID=66702340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821263400.1U Active CN208913153U (en) | 2018-08-07 | 2018-08-07 | A kind of permanent magnet synchronization motor spindle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208913153U (en) |
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2018
- 2018-08-07 CN CN201821263400.1U patent/CN208913153U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518111 1st and 2nd floors, building A6, silicon valley power intelligent terminal Industrial Park, No.20, Dafu Industrial Zone, Aobei community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen aibeike Precision Industry Co.,Ltd. Address before: 518111 2nd floor, building A6, silicon valley power intelligent terminal Industrial Park, 20 Dafu Industrial Zone, Aobei community, Guanlan street, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ABIG PRECISION MACHINERY Co.,Ltd. |
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| CP03 | Change of name, title or address |