CN113972786A - Coaxial double-motion motor device - Google Patents
Coaxial double-motion motor device Download PDFInfo
- Publication number
- CN113972786A CN113972786A CN202111324882.3A CN202111324882A CN113972786A CN 113972786 A CN113972786 A CN 113972786A CN 202111324882 A CN202111324882 A CN 202111324882A CN 113972786 A CN113972786 A CN 113972786A
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- China
- Prior art keywords
- motion motor
- motor
- linear motion
- rotary motion
- coaxial double
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- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
-
- 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
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a coaxial double-motion motor device, which comprises a linear motion motor, an end cover, a rotary motion motor and a shared threaded shaft, wherein the linear motion motor and the rotary motion motor are arranged at two ends of the end cover and are respectively in transmission connection with the shared threaded shaft; when the linear motion motor moves linearly, the linear motion motor works and moves, and the rotary motion motor is electrified to lock a static state; when the linear motion motor and the rotary motion motor rotate at the same frequency. Compared with the prior art, the invention has the advantages of avoiding concentricity deviation in the installation process, improving the production efficiency, reducing the production cost, satisfying the requirements of rotary motion load and linear motion load, realizing coaxial transmission of the output shaft of the motor and the load, and the like.
Description
Technical Field
The invention relates to a motor device, in particular to a coaxial double-motion motor device suitable for handheld micro placing and taking equipment or other automatic equipment.
Background
In some applications for taking and placing objects or sampling, a single motor assembly is required to provide both linear and rotary motion, and a dual linear and rotary motion motor assembly can perform this function.
The existing linear rotation double-motion motor device generally has the following problems:
1) the existing device is generally of a split structure, is combined by two independent motors, and has many parts, large volume and large assembly concentricity deviation.
2) The existing device has a complex output shaft structure, and is respectively composed of an independent linear motion threaded shaft, a rotary motion hollow shaft and a nut.
3) The existing device is respectively combined by an independent linear motion threaded shaft and a rotary motion hollow shaft, so that the synchronous transmission is difficult and high in cost.
4) The existing device is not coaxial with the output shaft of the motor, so that the requirements of rotating motion load and linear motion load cannot be met, and the coaxial transmission of the output shaft of the motor and the load is realized.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned deficiencies of the prior art and providing a coaxial dual motion motor apparatus.
The purpose of the invention can be realized by the following technical scheme:
according to one aspect of the invention, a coaxial double-motion motor device is provided, which comprises a linear motion motor, an end cover, a rotary motion motor and a shared threaded shaft, wherein the linear motion motor and the rotary motion motor are arranged at two ends of the end cover and are respectively in transmission connection with the shared threaded shaft;
when the linear motion motor moves linearly, the linear motion motor works and moves, and the rotary motion motor is electrified to lock a static state; when the linear motion motor and the rotary motion motor rotate at the same frequency.
Preferably, the end cap is an integral end cap, and the integral end cap and the common threaded shaft combine the linear motion motor and the rotary motion motor into a whole.
As a preferred technical scheme, the end cover is a split-type structure end cover.
As a preferable technical scheme, the linear motion motor is provided with an internal thread matched with the common threaded shaft.
Preferably, the device further comprises an anti-rotation mechanism connected to the common threaded shaft.
As a preferred technical scheme, the anti-rotation mechanism comprises an injection molding spline groove.
As a preferable technical scheme, the anti-rotation mechanism comprises a stop pin and a metal irregular groove type.
As a preferable technical scheme, the square sizes of the linear motion motor and the rotary motion motor are the same.
As a preferable technical scheme, the square sizes of the linear motion motor and the rotary motion motor adopt different specifications.
Preferably, the linear motor and the rotary motor are mounted at positions that are interchangeable.
Compared with the prior art, the invention has the following advantages:
1) the rotary motion motor and the linear motion motor are connected through the end cover with the integrated structure, so that the concentricity deviation in the installation process is avoided; meanwhile, the number of parts in the assembling process is reduced, the production efficiency is improved, and the production cost is reduced.
2) The rotary motion motor and the linear motion motor are combined into a whole to adopt coaxial transmission, so that the requirements of rotary motion load and linear motion load are met, and the coaxial transmission of the output shaft of the motor and the load is realized;
3) the invention makes the width of the square bodies of the rotary motion motor and the linear motion motor have the same specification and size, and reduces the installation space;
4) the coaxial dual motion of the present invention is applicable to a variety of different configuration motors (e.g., 20, 25, 28, 35, 39, 42, 57, 60, 86, etc., including but not limited to square or round sized motors).
Drawings
FIG. 1 is a schematic structural view of the present invention;
wherein 1 is a linear motion motor, 2 is an end cover, 3 is a rotary motion motor, 4 is a common threaded shaft, 5 is an internal thread, and 6 is an anti-rotation mechanism
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Example 1
As shown in fig. 1, a coaxial double-motion motor device comprises a linear motion motor 1, an end cover 2, a rotary motion motor 3 and a common threaded shaft 4, wherein the linear motion motor 1 and the rotary motion motor 3 are installed at two ends of the end cover 2 and are respectively in transmission connection with the common threaded shaft 4; when the linear motion is carried out, the linear motion motor 1 works and moves, and the rotary motion motor 3 is electrified and locked in a static state; when the linear motion motor 1 and the rotary motion motor 3 rotate at the same frequency during rotation, the rotary motion motor and the linear motion motor are combined into a whole to adopt coaxial transmission, so that the requirements of rotation and linear motion load are met, and coaxial transmission of a motor output shaft and a load is realized.
The end cover 2 is an integral structure end cover, the linear motion motor 1 and the rotary motion motor 3 are combined into an integral body by the integral structure end cover and the shared threaded shaft 4, the number of parts is reduced, meanwhile, the assembly efficiency and precision are improved, and the production cost is reduced.
Preferably, the linear motion motor 1 is provided with an internal thread 5 which is engaged with the common threaded shaft 4.
Preferably, the device further comprises an anti-rotation mechanism 6 connected to the common threaded shaft 4. As a further preferable scheme, the anti-rotation mechanism 6 comprises an injection molding spline groove or the anti-rotation mechanism 6 comprises a stop pin and a metal irregular groove.
The square sizes of the linear motion motor 1 and the rotary motion motor 3 are the same.
The mounting positions of the linear motion motor 1 and the rotary motion motor 3 can be interchanged without absolute fixed limitation.
Example 2
The end cover 2 is a split-type end cover, and the rest is the same as the embodiment 1.
Example 3
The square and width dimensions of the linear motor 1 and the rotary motor 3 are different specifications, and are suitable for various motors (for example, 20, 25, 28, 35, 39, 42, 57, 60, 86, etc., including but not limited to various square or round motors) with different structures, and the rest is the same as that of embodiment 1.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A coaxial double-motion motor device is characterized by comprising a linear motion motor (1), an end cover (2), a rotary motion motor (3) and a shared threaded shaft (4), wherein the linear motion motor (1) and the rotary motion motor (3) are arranged at two ends of the end cover (2) and are in transmission connection with the shared threaded shaft (4) respectively;
when the linear motion is carried out, the linear motion motor (1) works and moves, and the rotary motion motor (3) is electrified and locked in a static state; when the linear motion motor (1) and the rotary motion motor (3) do the same-frequency rotary motion.
2. A coaxial double-motion motor arrangement according to claim 1, characterized in that the end cap (2) is a one-piece end cap, which combines the linear motion motor (1) and the rotary motion motor (3) into one piece with a common threaded shaft (4).
3. A coaxial double-motion motor apparatus according to claim 1, wherein the end cap (2) is a split-type end cap.
4. A coaxial double-motion motor arrangement according to claim 1, characterised in that the linear motion motor (1) is provided with an internal thread (5) cooperating with the common threaded shaft (4).
5. A coaxial double-motion motor device according to claim 1, characterised in that it further comprises an anti-rotation mechanism (6) connected to the common threaded shaft (4).
6. A coaxial double kinematic motor arrangement according to claim 5, characterised in that said anti-rotation means (6) comprise injection-moulded spline grooves.
7. A coaxial double movement motor device according to claim 5, characterized in that said anti-rotation means (6) comprise a stop pin and a metal irregular groove type.
8. A coaxial double-motion motor apparatus according to claim 1, wherein the square sizes of the linear motion motor (1) and the rotary motion motor (3) are the same.
9. A coaxial double-motion motor apparatus according to claim 1, wherein the square sizes of the linear motion motor (1) and the rotary motion motor (3) are different specifications.
10. A coaxial double-motion motor apparatus according to claim 1, wherein the mounting positions of the linear motion motor (1) and the rotary motion motor (3) are exchangeable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111324882.3A CN113972786A (en) | 2021-11-10 | 2021-11-10 | Coaxial double-motion motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111324882.3A CN113972786A (en) | 2021-11-10 | 2021-11-10 | Coaxial double-motion motor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113972786A true CN113972786A (en) | 2022-01-25 |
Family
ID=79589540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111324882.3A Pending CN113972786A (en) | 2021-11-10 | 2021-11-10 | Coaxial double-motion motor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113972786A (en) |
-
2021
- 2021-11-10 CN CN202111324882.3A patent/CN113972786A/en active Pending
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