CN211720431U - Integrated inner rotor motor with encoder - Google Patents
Integrated inner rotor motor with encoder Download PDFInfo
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- CN211720431U CN211720431U CN202020436643.1U CN202020436643U CN211720431U CN 211720431 U CN211720431 U CN 211720431U CN 202020436643 U CN202020436643 U CN 202020436643U CN 211720431 U CN211720431 U CN 211720431U
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Abstract
The utility model provides an integral type inner rotor motor with encoder belongs to motor technical field. The motor encoder solves the problems that an existing motor encoder is externally arranged, occupies space, and is low in transmission efficiency. The utility model discloses a rotor structure and stator structure, rotor structure include rotor dish and rotor core, and the rotor dish is equipped with first hole, and stator structure includes shell and stator core, and the motor still includes the encoder subassembly, and the encoder subassembly includes encoder rotor and encoder stator, and the encoder stator is fixed on the shell, and the encoder rotor sets up in the encoder stator with one heart and the encoder rotor can the relative encoder stator rotate, has seted up the second hole on the encoder rotor. The utility model has the advantages of combine encoder and motor structure as an organic whole, compact structure, feedback signal are accurate.
Description
Technical Field
The utility model belongs to the technical field of the motor, relate to inner rotor motor, in particular to integral type inner rotor motor with encoder.
Background
The encoder of current motor all is external, installs outside motor housing, and not only the structure is not compact, and the encoder still needs other transmission structure to link to each other with the motor just can measure the feedback to the motor, and the transmission progression is many, not only transmission efficiency is low, and because the existence of transmission error, transmission accuracy also has certain influence.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned defect that exists to current motor, and the one kind that provides combines encoder and motor structure as an organic whole, compact structure, the accurate integral type inner rotor motor of feedback signal.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides an integral type inner rotor motor with encoder, includes rotor structure and the stator structure of inside and outside setting, rotor structure includes the rotor dish and sets up the rotor core in the rotor dish periphery, the concentric first hole that is used for inserting the transmission shaft that is equipped with of rotor dish, stator structure includes the shell and sets up the stator core in the shell, is equipped with the winding on the stator core, and stator core is located above-mentioned rotor core's periphery, the motor still includes the encoder subassembly, and the encoder subassembly includes encoder rotor and encoder stator, and the encoder stator is fixed on above-mentioned shell, and the encoder rotor sets up in the encoder stator with one heart and the encoder rotor can rotate relative encoder stator, offers the second hole that is used for wearing to establish above-mentioned transmission shaft on the encoder rotor with one heart, and the second hole is concentric.
In the integrated inner rotor motor with the encoder, the encoder component is positioned on one side of the rotor disc, the other side of the rotor disc is provided with an installation surface, and the installation surface is provided with a plurality of installation holes for installing belt wheels.
In the above one-piece inner rotor motor with an encoder, the transmission shaft sequentially passes through the second inner hole and the first inner hole, the second inner hole is a cylindrical hole, the first inner hole is a conical hole, and the second inner hole is located at the large end of the first inner hole.
In the above one-piece inner rotor motor with an encoder, the rotor disc includes an inner rotor body, and a first side portion and a second side portion respectively disposed at two sides of the rotor core, the first side portion and the second side portion are concentrically disposed, an outer periphery of the inner rotor body is step-shaped, on the body including above-mentioned first hole sets up, first side portion cover is established on the internal rotation body and is leaned on the step, be equipped with a plurality of first connecting holes on the internal rotation body, be equipped with the internal thread in the first connecting hole, be equipped with a plurality of second connecting holes on the first side portion, be equipped with a plurality of third connecting holes on the rotor core, be equipped with a plurality of fourth connecting holes on the second side portion, first connecting hole, the second connecting hole, the third connecting hole, the setting of fourth connecting hole one-to-one, be equipped with connecting bolt in the fourth connecting hole, connecting bolt passes the fourth connecting hole in proper order, the third connecting hole, behind the second connecting hole with first.
In the above one-piece inner rotor motor with the encoder, the housing includes an outer frame and a cover plate portion disposed on one side of the outer frame, and the encoder stator is fixedly disposed on the cover plate portion.
In the above one-piece inner rotor motor with an encoder, the mounting hole is a threaded hole.
In the above one-piece inner rotor motor with an encoder, a key groove extending through the first inner hole along the axial direction of the first inner hole is arranged in the first inner hole.
In the above one-piece inner rotor motor with an encoder, the outer frame body is further provided with a heat dissipation structure.
In the above one-piece inner rotor motor with an encoder, the heat dissipation structure includes a plurality of heat dissipation strips disposed on the outer frame body, and the heat dissipation strips extend along the circumferential direction of the outer frame body.
Compared with the prior art, the utility model embeds the encoder in the motor, and combines the encoder and the motor into a whole, thereby having compact structure and good integrity; the encoder rotor is directly connected with the transmission shaft and synchronously rotates with the inner rotary body, indirect transmission measurement through other transmission structures is not needed, the measurement accuracy is high, and signal feedback is accurate; the rotor disc can be directly provided with the belt wheel, so that the transmission stage number is reduced, the transmission efficiency is high, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a rotor core; 2. an inner rotating body; 3. a first side portion; 4. a second side portion; 5. a mounting surface; 6. mounting holes; 7. a stator core; 8. an outer frame body; 9. a cover plate portion; 10. a winding; 11. a heat dissipating strip; 12. an encoder rotor; 13. an encoder stator; 14. a drive shaft; 15. and a nut.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in figure 1, the utility model provides a pair of integral type inner rotor motor with encoder can link to each other with the 14 transmissions of transmission shaft of equipment such as lathe, and it includes the rotor structure and the stator structure of inside and outside setting.
The rotor structure comprises a rotor disc and a rotor core 1 arranged on the rotor disc, the rotor disc comprises an inner rotary body 2, a first side part 3 and a second side part 4, the periphery of the inner rotary body 2 is step-shaped, as shown in figure 1, the outer diameter of the left part of the inner rotary body 2 is larger than that of the right part, so that a step is formed, the first side part 3 is hollow disc-shaped, the first side part 3 is concentrically sleeved on the right part of the inner rotary body 2, the left side leans against the step, the rotor core 1 is concentrically sleeved on the right part, the left side leans against the first side part 3, the second side part 4 leans against the right side of the rotor core 1, a plurality of first connecting holes are arranged on the inner rotary body 2, internal threads are arranged in the first connecting holes, a plurality of second connecting holes are arranged on the first side part 3, a plurality of third connecting holes are arranged on the rotor core 1, the second connecting, the fourth connecting hole is a counter bore, the first connecting hole, the second connecting hole, the third connecting hole and the fourth connecting hole are arranged in a one-to-one correspondence mode, a connecting bolt is arranged in the fourth connecting hole, and the connecting bolt sequentially penetrates through the fourth connecting hole, the third connecting hole and the second connecting hole and then is in threaded connection with the first connecting hole, so that the first side portion 3, the rotor iron core 1, the second side portion 4 and the inner rotating body 2 are fixed;
the inner rotary body 2 is also provided with a first inner hole for the transmission shaft 14 of the machine tool and the like to penetrate through, the first inner hole is a conical hole, the large end of the first inner hole is positioned at the right end, and a key groove which extends through the first inner hole along the axial direction of the first inner hole is arranged in the first inner hole;
the left surface of inner rotary body 2 is installation face 5, has seted up a plurality of mounting holes 6 that are used for installing the band pulley on installation face 5, and mounting hole 6 is the screw hole.
Stator structure includes the shell and sets up stator core 7 in the shell, and the shell includes outer frame 8 and sets up the apron 9 on outer frame 8 right side, and outer frame 8 links firmly with apron 9:
the outer frame body 8 is annular, the stator core 7 is fixed on the inner wall of the outer frame body 8, the stator core 7 is positioned on the periphery of the rotor core 1, the stator core 7 is provided with a winding 10, and the outer frame body 8 is also provided with a heat dissipation structure; the heat dissipation structure comprises a plurality of heat dissipation strips 11 arranged on the outer frame body 8, and the heat dissipation strips 11 extend along the circumferential direction of the outer frame body 8; a plurality of heat dissipation strips 11 interval sets up, sets up the through-hole that supplies transmission shaft 14 to wear to establish on apron portion 9.
This motor still includes the encoder subassembly, the encoder subassembly is located the right side of interior rotor 2, the encoder subassembly includes encoder rotor 12 and encoder stator 13, encoder stator 13 sets firmly on apron portion 9 with one heart, encoder rotor 12 sets up the second hole that is used for wearing to establish transmission shaft 14 with one heart, the second hole is the cylinder hole, encoder rotor 12 links firmly with 14 tight-fittings of transmission shaft, transmission shaft 14 passes the second hole in proper order from the right side left side, link to each other with a nut 15 behind the first hole, transmission shaft 14 is connected relatively fixed through first hole and interior rotor 2.
When the motor drives the transmission shaft 14 to rotate, the transmission shaft 14, the inner rotating body 2 and the encoder rotor 12 rotate synchronously.
It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. An integrated inner rotor motor with an encoder comprises a rotor structure and a stator structure which are arranged inside and outside, and is characterized in that the rotor structure comprises a rotor disc and a rotor core (1) arranged on the periphery of the rotor disc, the rotor disc is concentrically provided with a first inner hole for inserting a transmission shaft (14), the stator structure comprises a shell and a stator core (7) arranged in the shell, a winding (10) is arranged on the stator core (7), the stator core (7) is positioned on the periphery of the rotor core (1), the motor also comprises an encoder assembly, the encoder assembly comprises an encoder rotor (12) and an encoder stator (13), the encoder stator (13) is fixed on the shell, the encoder rotor (12) is concentrically arranged in the encoder stator (13) and the encoder rotor (12) can rotate relative to the encoder stator (13), a second inner hole for penetrating the transmission shaft (14) is concentrically formed in the encoder rotor (12), and the second inner hole is concentric with the first inner hole.
2. An integral inner rotor motor with an encoder according to claim 1, wherein the encoder assembly is located at one side of the rotor disc, the other side of the rotor disc is provided with a mounting surface (5), and the mounting surface (5) is provided with a plurality of mounting holes (6) for mounting the belt wheel.
3. An integral inner rotor motor with an encoder according to claim 1 or 2, characterized in that the transmission shaft (14) passes through the second inner bore and the first inner bore in sequence, the second inner bore is a cylindrical bore, the first inner bore is a conical bore, and the second inner bore is located at the large end of the first inner bore.
4. The one-piece inner rotor motor with an encoder according to claim 3, wherein the rotor disc comprises an inner rotating body (2) and a first side portion (3) and a second side portion (4) respectively disposed at two sides of the rotor core (1), the first side portion (3) and the second side portion (4) are concentrically disposed, the outer periphery of the inner rotating body (2) is step-shaped, the first inner hole is disposed on the inner rotating body (2), the first side portion (3) is sleeved on the inner rotating body (2) and leans against the step, the inner rotating body (2) is provided with a plurality of first connecting holes, the first connecting holes are internally provided with internal threads, the first side portion (3) is provided with a plurality of second connecting holes, the rotor core (1) is provided with a plurality of third connecting holes, the second side portion (4) is provided with a plurality of fourth connecting holes, the first connecting holes, the second connecting holes, the third connecting holes and the fourth connecting holes are disposed in a one-, and a connecting bolt is arranged in the fourth connecting hole, and the connecting bolt sequentially penetrates through the fourth connecting hole, the third connecting hole and the second connecting hole and then is in threaded connection with the first connecting hole.
5. An integral inner rotor motor with an encoder according to claim 3, wherein the housing includes an outer frame (8) and a cover plate (9) provided at one side of the outer frame (8), and the encoder stator (13) is fixed to the cover plate (9).
6. An integral inner rotor motor with an encoder according to claim 2, characterized in that the mounting hole (6) is a threaded hole.
7. The integral inner rotor motor with an encoder of claim 3, wherein the first bore has a keyway extending axially through the first bore.
8. The integral inner rotor motor with the encoder as claimed in claim 5, wherein the outer frame (8) is further provided with a heat dissipation structure.
9. The monoblock inner rotor motor with the encoder as claimed in claim 8, wherein the heat dissipation structure comprises a plurality of heat dissipation bars (11) arranged on the outer frame body (8), the heat dissipation bars (11) extend along the circumference of the outer frame body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436643.1U CN211720431U (en) | 2020-03-30 | 2020-03-30 | Integrated inner rotor motor with encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020436643.1U CN211720431U (en) | 2020-03-30 | 2020-03-30 | Integrated inner rotor motor with encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211720431U true CN211720431U (en) | 2020-10-20 |
Family
ID=72835017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020436643.1U Active CN211720431U (en) | 2020-03-30 | 2020-03-30 | Integrated inner rotor motor with encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211720431U (en) |
-
2020
- 2020-03-30 CN CN202020436643.1U patent/CN211720431U/en active Active
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