CN208112425U - A kind of hollow big torque servo motor - Google Patents
A kind of hollow big torque servo motor Download PDFInfo
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- CN208112425U CN208112425U CN201820742843.2U CN201820742843U CN208112425U CN 208112425 U CN208112425 U CN 208112425U CN 201820742843 U CN201820742843 U CN 201820742843U CN 208112425 U CN208112425 U CN 208112425U
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Abstract
The utility model discloses a kind of hollow big torque servo motors, d-axis including hollow setting, the middle part of d-axis is forward to be provided with first annular step, stator core is socketed in first annular step, the side of stator core is wound with stator coil, and internal rotor iron core is provided on the outside of stator core, and the inside of internal rotor iron core is bonded with adjustable magnetic magnet steel by magnetic force, the both ends of internal rotor iron core are fixed on drive end bearing bracket and rear end cap, and drive end bearing bracket and rear end cap are rotatably supported on d-axis；For the depth-width ratio of stator core between 0.5~3, the width of internal rotor iron core is greater than the width of stator core, and the length of first annular step is greater than the width of stator core.The depth-width ratio of stator core is between 0.5~3, sufficiently large magnetic force can either be provided, sufficiently large magnetic force transmission area is also capable of providing, the width of internal rotor iron core is greater than the width of stator core, it can guarantee that internal rotor iron core obtains sufficiently large magnetic force, reduce magnetic dispersion；To accomplish it is compact-sized, big torsion can be transmitted.
Description
Technical field：
The utility model relates to technical field of motors, more particularly to a kind of hollow big torque servo motor.
Background technique：
Existing servo motor structure arrangement is unreasonable, and occupied space is big.
Therefore, it is necessory to be improved to the prior art to solve the deficiency of the prior art.
Utility model content：
The utility model is to provide a kind of hollow big torque servo electricity to solve the above-mentioned problems of the prior art
Machine.
A kind of hollow big torque servo motor, including d-axis, the hollow setting of d-axis, the middle part of d-axis is forward to be provided with first
Ring-shaped step is socketed with stator core in first annular step, and the side of stator core is wound with stator coil, stator core
Outside is provided with internal rotor iron core, and the inside of internal rotor iron core is bonded with adjustable magnetic magnet steel, the both ends of internal rotor iron core by magnetic force
It is fixed on drive end bearing bracket and rear end cap, drive end bearing bracket and rear end cap are rotatably supported on d-axis；The depth-width ratio of stator core 0.5~
Between 3, the width of internal rotor iron core is greater than the width of stator core, and the length of first annular step is greater than the width of stator core
Degree.
It preferably, further include front support bearing and rear support bearing；
The inner ring of front support bearing and rear support bearing is socketed on d-axis respectively；
The front end of the first annular step of d-axis is provided with the second ring-shaped step, and the front end face of stator core is resisted against second
On the rear end face of ring-shaped step, the rear end face of front support bearing is resisted against on the front end face of the second ring-shaped step；
The front end face of rear support bearing is resisted against on the rear end face of first annular step；
Drive end bearing bracket is socketed on the outer ring of front support bearing, and rear end cap is socketed on the outer ring of rear support bearing.
It preferably, further include code-disc, reading head, circuit board；
D-axis is additionally provided with third ring-shaped step, and third ring-shaped step is located at the part close to rear end of d-axis, the first ring
Shape step is higher than third ring-shaped step, and the second ring-shaped step is higher than first annular step；
The outer sheath jointer disk at the rear portion of rear end cap, code-disc are rotated together with rear end cap；
The setting of reading head face code-disc, circuit board are socketed on third ring-shaped step, and reading head is fixed on circuit boards.
Preferably, circuit board is drive circuit board, servo-driver is provided on circuit board, servo-driver is for controlling
The driving current of stator coil.
Preferably, the d-axis of the lower part of stator coil is provided with the first string holes, and the d-axis of the side of circuit board is provided with
Two string holes, the conducting wire of circuit board pass through the second string holes, by d-axis hollow portion, pass through the first string holes connecting stator coil.
Preferably, the inner ring of rear support bearing is socketed on third ring-shaped step.
It preferably, further include fore-stock and power-off braker；
D-axis is additionally provided with fourth annular step, and fourth annular step is located at the part close to front end of d-axis, Fourth Ring
Shape step is equal to the height of third ring-shaped step, and the inner ring of front support bearing is socketed on fourth annular step；
Fore-stock is socketed in the outside of the forefront of d-axis, and the rear end face of fore-stock is resisted against the front end of fourth annular step
On face；
Power-off braker includes rotating member and brake component, and rotating member is connected on drive end bearing bracket, and brake component is connected to fore-stock
On；Under energized state, rotating member and brake component are separated, and under off-position, brake component prevents rotating member from rotating, thus branch before preventing
Frame rotation, so that internal rotor iron core be prevented to rotate.
Preferably, the d-axis at power-off braker is provided with third string holes, and the conducting wire of circuit board passes through the second string holes, passes through
The hollow portion of d-axis passes through third string holes connection power-off braker.
It preferably, further include after-poppet, after-poppet is socketed in the part close to rear end of d-axis, and the front end face of after-poppet supports
On the rear end face for leaning against third ring-shaped step；
After-poppet forward extends out circular wrappings portion, and circular wrappings portion covers on the outside of reading head, circuit board and code-disc.
Preferably, annular brace portion is stretched out at the rear portion of rear end cap backward, and annular brace portion is rotatably arranged on d-axis, annular
Support zone is in the inside in circular wrappings portion.
The utility model has the advantages that：A kind of hollow big torque servo motor, including d-axis, d-axis is hollow to be set
It sets, the middle part of d-axis is forward to be provided with first annular step, and stator core, the week of stator core are socketed in first annular step
Side is wound with stator coil, and internal rotor iron core is provided on the outside of stator core, and the inside of internal rotor iron core is bonded by magnetic force
There is adjustable magnetic magnet steel, the both ends of internal rotor iron core are fixed on drive end bearing bracket and rear end cap, and drive end bearing bracket and rear end cap are rotatably supported in directly
On axis；For the depth-width ratio of stator core between 0.5~3, the width of internal rotor iron core is greater than the width of stator core, first annular
The length of step is greater than the width of stator core.The hollow setting of d-axis, inside can avoid the in disorder of cabling with cabling；Stator
The depth-width ratio of iron core can either provide sufficiently large magnetic force between 0.5~3, also be capable of providing sufficiently large magnetic force transfer surface
Product, the width of internal rotor iron core are greater than the width of stator core, can guarantee that internal rotor iron core obtains sufficiently large magnetic force, reduce
Magnetic dispersion；To accomplish it is compact-sized, big torsion can be transmitted.
Detailed description of the invention：
Fig. 1 is a kind of sectional view of hollow big torque servo motor of the utility model.
Fig. 2 is a kind of sectional view of the d-axis of hollow big torque servo motor of the utility model.
In figure：
1- d-axis；11- first annular step；The second ring-shaped step of 12-；13- third ring-shaped step；14- fourth annular platform
Rank；15- third string holes；The first string holes of 16-；The second string holes of 17-；2- stator core；21- stator coil；3- internal rotor iron core；4-
Adjustable magnetic magnet steel；5- drive end bearing bracket；6- rear end cap；61- annular brace portion；7- front support bearing；8- rear support bearing；9- code-disc；01-
Reading head；02- circuit board；03- servo-driver；04- fore-stock；05- power-off braker；06- after-poppet；061- circular wrappings
Portion.
Specific embodiment：
1~2 pair of the utility model is further described with reference to the accompanying drawing.
A kind of hollow big torque servo motor, including d-axis 1, the hollow setting of d-axis 1, the middle part of d-axis 1 is forward to be provided with
First annular step 11 is socketed with stator core 2 in first annular step 11, and the side of stator core 2 is wound with stator coil
21, the outside of stator core 2 is provided with internal rotor iron core 3, and the inside of internal rotor iron core 3 is bonded with adjustable magnetic magnet steel 4 by magnetic force,
The both ends of internal rotor iron core 3 are fixed on drive end bearing bracket 5 and rear end cap 6, and drive end bearing bracket 5 and rear end cap 6 are rotatably supported on d-axis 1；
For the depth-width ratio of stator core 2 between 0.5~3, the width of internal rotor iron core 3 is greater than the width of stator core 2, and first annular
The length of rank 11 is greater than the width of stator core 2.
The hollow setting of d-axis 1, inside can avoid the in disorder of cabling with cabling；The depth-width ratio of stator core 2 is 0.5~3
Between, sufficiently large magnetic force can either be provided, sufficiently large magnetic force transmission area, the width of internal rotor iron core 3 are also capable of providing
Greater than the width of stator core 2, it can guarantee that internal rotor iron core 3 obtains sufficiently large magnetic force, reduce magnetic dispersion；To accomplish to tie
Structure is compact, can transmit big torsion.
The hollow setting of d-axis 1, breaches the rotor structure form of conventional motors, using hollow iron core in structure
Rotor, this novel rotor structure greatly reduce as iron core formed vortex and caused by electric energy loss.
It further include front support bearing 7 and rear support bearing 8 in the present embodiment；
The inner ring of front support bearing 7 and rear support bearing 8 is socketed on d-axis 1 respectively；
The front end of the first annular step 11 of d-axis 1 is provided with the second ring-shaped step 12, the front end face of stator core 2 against
On the rear end face of the second ring-shaped step 12, the rear end face of front support bearing 7 is resisted against on the front end face of the second ring-shaped step 12；
The front end face of rear support bearing 8 is resisted against on the rear end face of first annular step 11；
Drive end bearing bracket 5 is socketed on the outer ring of front support bearing 7, and rear end cap 6 is socketed on the outer ring of rear support bearing 8.
It further include code-disc 9, reading head 01, circuit board 02 in the present embodiment；
D-axis 1 is additionally provided with third ring-shaped step 13, and third ring-shaped step 13 is located at the part close to rear end of d-axis 1,
First annular step 11 is higher than third ring-shaped step 13, and the second ring-shaped step 12 is higher than first annular step 11；
The outer sheath jointer disk 9 at the rear portion of rear end cap 6, code-disc 9 is rotated together with rear end cap 6；
The setting of 01 face code-disc 9 of reading head, circuit board 02 are socketed on third ring-shaped step 13, and reading head 01 is fixed on electricity
On road plate 02.
In the present embodiment, circuit board 02 is drive circuit board, is provided with servo-driver 03, servo-drive on circuit board 02
Device 03 is used to control the driving current of stator coil 21.
In the present embodiment, the d-axis 1 of the lower part of stator coil 21 is provided with the first string holes 16, the side of circuit board 02 it is straight
Axis is provided with the second string holes 17, the conducting wire of circuit board 02 pass through the second string holes 17, by d-axis 1 hollow portion, pass through First Line
16 connecting stator coil 21 of hole.
In the present embodiment, the inner ring of rear support bearing 8 is socketed on third ring-shaped step 13.
It further include fore-stock 04 and power-off braker 05 in the present embodiment；
D-axis 1 is additionally provided with fourth annular step 14, and fourth annular step 14 is located at the part close to front end of d-axis 1,
Fourth annular step 14 is equal to the height of third ring-shaped step 13, and the inner ring of front support bearing 7 is socketed in fourth annular step 14
On；
Fore-stock 04 is socketed in the outside of the forefront of d-axis 1, and the rear end face of fore-stock 04 is resisted against fourth annular step
On 14 front end face；
Power-off braker 05 includes rotating member and brake component, and rotating member is connected on drive end bearing bracket 5, and brake component is connected to preceding branch
On frame 04；Under energized state, rotating member and brake component are separated, and under off-position, brake component prevents rotating member from rotating, to prevent
Fore-stock 04 rotates, so that internal rotor iron core 3 be prevented to rotate.
In the present embodiment, the d-axis 1 at power-off braker 05 is provided with third string holes 15, and the conducting wire of circuit board 02 passes through the
Two string holes 17 connect power-off braker 05 by the hollow portion of d-axis 1, across third string holes 15.
It further include after-poppet 06 in the present embodiment, after-poppet 06 is socketed in the part close to rear end of d-axis 1, after-poppet
06 front end face is resisted against on the rear end face of third ring-shaped step 13；
After-poppet 06 forward extends out circular wrappings portion 061, and circular wrappings portion 061 covers on reading head 01, circuit board 02 and code
The outside of disk 9.
In the present embodiment, annular brace portion 61 is stretched out at the rear portion of rear end cap 6 backward, and annular brace portion 61 is rotatably arranged on directly
On axis 1, annular brace portion 61 is located at the inside in circular wrappings portion 061.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
It for art personnel, can also make several improvements without departing from the principle of this utility model, these improvement also should be regarded as
The protection scope of the utility model.
Claims (10)
1. a kind of hollow big torque servo motor, including d-axis (1), which is characterized in that the hollow setting of the d-axis (1), it is described
The middle part of d-axis (1) is forward to be provided with first annular step (11), is socketed with stator core on the first annular step (11)
(2), the side of the stator core (2) is wound with stator coil (21), is provided with internal rotor on the outside of the stator core (2)
The inside of iron core (3), the internal rotor iron core (3) is bonded with adjustable magnetic magnet steel (4) by magnetic force, the internal rotor iron core (3)
Both ends are fixed on drive end bearing bracket (5) and rear end cap (6), and the drive end bearing bracket (5) and rear end cap (6) are rotatably supported in the d-axis
(1) on；For the depth-width ratio of the stator core (2) between 0.5~3, the width of the internal rotor iron core (3) is greater than the stator
The width of iron core (2), the length of the first annular step (11) are greater than the width of the stator core (2).
2. hollow big torque servo motor as described in claim 1, which is characterized in that further include front support bearing (7) and rear branch
It supports bearing (8)；
The inner ring of the front support bearing (7) and rear support bearing (8) is socketed in respectively on the d-axis (1)；
The front end of the first annular step (11) of the d-axis (1) is provided with the second ring-shaped step (12), the stator core (2)
Front end face be resisted against on the rear end face of second ring-shaped step (12), the rear end face of the front support bearing (7) is resisted against
On the front end face of second ring-shaped step (12)；
The front end face of the rear support bearing (8) is resisted against on the rear end face of the first annular step (11)；
The drive end bearing bracket (5) is socketed on the outer ring of the front support bearing (7), and the rear end cap (6) is socketed in the rear branch
On the outer ring for supportting bearing (8).
3. hollow big torque servo motor as claimed in claim 2, which is characterized in that further include code-disc (9), reading head (01),
Circuit board (02)；
The d-axis (1) is additionally provided with third ring-shaped step (13), and the third ring-shaped step (13) is located at the d-axis (1)
Close to the part of rear end, the first annular step (11) is higher than the third ring-shaped step (13), second ring-shaped step
(12) it is higher than the first annular step (11)；
The outside at the rear portion of the rear end cap (6) is socketed the code-disc (9), and the code-disc (9) turns with the rear end cap (6)
It is dynamic；
The setting of code-disc (9) described in reading head (01) face, the circuit board (02) are socketed in the third ring-shaped step
(13) on, the reading head (01) is fixed on the circuit board (02).
4. hollow big torque servo motor as claimed in claim 3, which is characterized in that the circuit board (02) is driving circuit
Plate is provided with servo-driver (03) on the circuit board (02), and the servo-driver (03) is for controlling the stator line
Enclose the driving current of (21).
5. hollow big torque servo motor as claimed in claim 4, which is characterized in that the institute of the lower part of the stator coil (21)
D-axis (1) to be stated to be provided with the first string holes (16), the d-axis of the side of the circuit board (02) is provided with the second string holes (17),
The conducting wire of the circuit board (02) pass through second string holes (17), by the d-axis (1) hollow portion, pass through described first
String holes (16) connects the stator coil (21).
6. hollow big torque servo motor as claimed in claim 5, which is characterized in that the interior snare of the rear support bearing (8)
It connects on the third ring-shaped step (13).
7. hollow big torque servo motor as claimed in claim 6, which is characterized in that further include fore-stock (04) and power-off brake
Device (05)；
The d-axis (1) is additionally provided with fourth annular step (14), and the fourth annular step (14) is located at the d-axis (1)
Close to the part of front end, the fourth annular step (14) is equal to the height of the third ring-shaped step (13), the front support
The inner ring of bearing (7) is socketed on the fourth annular step (14)；
The fore-stock (04) is socketed in the outside of the forefront of the d-axis (1), the rear end face of the fore-stock (04) against
On the front end face of the fourth annular step (14)；
The power-off braker (05) includes rotating member and brake component, and the rotating member is connected on the drive end bearing bracket (5), described
Brake component is connected on the fore-stock (04)；Under energized state, rotating member and brake component are separated, under off-position, brake component
Rotating member is prevented to rotate, to prevent fore-stock (04) from rotating, so that internal rotor iron core (3) be prevented to rotate.
8. hollow big torque servo motor as claimed in claim 7, which is characterized in that described at the power-off braker (05)
D-axis (1) is provided with third string holes (15), and the conducting wire of the circuit board (02) passes through second string holes (17), by described straight
The hollow portion of axis (1) passes through the third string holes (15) the connection power-off braker (05).
9. hollow big torque servo motor as claimed in claim 7, which is characterized in that further include after-poppet (06), propped up after described
Frame (06) is socketed in the part close to rear end of the d-axis (1), and the front end face of the after-poppet (06) is resisted against the third
On the rear end face of ring-shaped step (13)；
The after-poppet (06) forward extends out circular wrappings portion (061), and the circular wrappings portion (061) covers on the reading head
(01), the outside of circuit board (02) and the code-disc (9).
10. hollow big torque servo motor as claimed in claim 9, which is characterized in that the rear portion of the rear end cap (6) is to extending back
Annular brace portion (61) out, the annular brace portion (61) are rotatably arranged on the d-axis (1), the annular brace portion (61)
Positioned at the inside of the circular wrappings portion (061).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742843.2U CN208112425U (en) | 2018-05-18 | 2018-05-18 | A kind of hollow big torque servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742843.2U CN208112425U (en) | 2018-05-18 | 2018-05-18 | A kind of hollow big torque servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208112425U true CN208112425U (en) | 2018-11-16 |
Family
ID=64113802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742843.2U Active CN208112425U (en) | 2018-05-18 | 2018-05-18 | A kind of hollow big torque servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208112425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429394A (en) * | 2018-05-18 | 2018-08-21 | 深圳超磁机器人科技有限公司 | A kind of hollow big torque servo motor |
-
2018
- 2018-05-18 CN CN201820742843.2U patent/CN208112425U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429394A (en) * | 2018-05-18 | 2018-08-21 | 深圳超磁机器人科技有限公司 | A kind of hollow big torque servo motor |
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