CN211606364U - Linear rotating motor - Google Patents
Linear rotating motor Download PDFInfo
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- CN211606364U CN211606364U CN201922370695.3U CN201922370695U CN211606364U CN 211606364 U CN211606364 U CN 211606364U CN 201922370695 U CN201922370695 U CN 201922370695U CN 211606364 U CN211606364 U CN 211606364U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims description 48
- 230000008878 coupling Effects 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 26
- 238000005859 coupling reaction Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of electric motor, concretely relates to linear rotating electrical machines, which comprises a housin, motion, the output shaft, servo motor, linear electric motor, linear displacement measuring unit and rotation angle measuring unit, linear electric motor including fix on the casing stator and with stator matched with active cell, active cell and motion fixed connection, active cell drive motion is the linear motion parallel with the output shaft, when motion moves along with the active cell, motion drives the output shaft and makes the linear motion parallel with the output shaft and the rotary motion along the output shaft direction of motion, linear displacement measuring unit measures the linear motion's of output shaft displacement, rotation angle measuring unit measures the rotary motion's of output shaft angle. The utility model discloses a linear rotating electrical machines can realize the linear rotating motion of two degrees of freedom, reduces linear rotating electrical machines's volume, simplifies inside overall arrangement, saves complicated transmission link, has improved linear rotating electrical machines's motion positioning accuracy.
Description
Technical Field
The utility model relates to the technical field of electric machines, concretely relates to linear rotating electric machine.
Background
The present linear rotating electrical machines separated layout, the separated linear rotating electrical machines pass through the mechanical structure combination with linear electrical machines and rotating electrical machines, accomplish straight line and rotary motion simultaneously with the driven mode, the inner structure is complicated, the volume is large, mechanical transmission leads to positioning accuracy not high, furthermore, the layout that linear motion displacement measuring unit and rotation angle measuring unit's introduction can make linear rotating electrical machines more complicated, also more difficult the volume of control motor, therefore, how to improve linear motion's the degree of accuracy of displacement measurement and control of linear rotating electrical machines has also become technical difficult in this field.
In view of the above, it is an urgent technical problem in the art to provide a new linear rotating electrical machine that overcomes the above drawbacks of the prior art.
Disclosure of Invention
An object of the utility model is to the above-mentioned defect of prior art, provide a linear rotating electrical machines, can realize the linear rotating motion of two degrees of freedom, can reduce linear rotating electrical machines's volume simultaneously, simplify the inside overall arrangement of linear rotating electrical machines, save complicated transmission link, improved linear rotating electrical machines's motion positioning accuracy.
The purpose of the utility model can be realized by the following technical measures:
an embodiment of the utility model provides a linear rotating motor, this linear rotating motor includes:
the shell is provided with a first through hole;
the movement mechanism is movably arranged in the shell;
an output shaft fixedly arranged on the motion mechanism, wherein the motion mechanism drives the output shaft to extend out of the shell from the first through hole;
the servo motor is arranged on the movement mechanism and connected with the output shaft to drive the output shaft to rotate;
the linear motor is positioned below the moving mechanism and comprises a stator fixed on the shell and a rotor positioned above the stator and matched with the stator, the rotor is fixedly connected with the moving mechanism, the rotor drives the moving mechanism to do linear motion parallel to the output shaft, and when the moving mechanism moves along with the rotor, the moving mechanism drives the output shaft to do linear motion parallel to the output shaft and rotary motion along the moving direction of the output shaft;
the linear displacement measuring unit is mounted on the motion mechanism and used for measuring the displacement of the linear motion of the output shaft;
and the rotating angle measuring unit is arranged in the servo motor and is used for measuring the angle of the rotating motion of the output shaft.
According to the utility model discloses an embodiment, the linear rotation motor still include the slide rail and with slide rail sliding connection's slider, the slider with motion fixed connection, the motion passes through the slider with sliding connection, slide rail fixed mounting be in on the casing.
According to the utility model discloses an embodiment, motion is including being used for the installation the main part of output shaft, a plurality of hole sites have been seted up to the main part, hole site and first screw cooperation will motion with active cell fixed connection, the back of main part will through the second screw motion with slider fixed connection.
According to the utility model discloses an embodiment, the linear rotation motor still includes coupling assembling, coupling assembling includes first shaft coupling, belt and second shaft coupling, first coupling joint servo motor with the belt, the second shaft coupling is connected the output shaft with the belt, servo motor passes through coupling assembling drives rotary motion is to the output shaft.
According to the utility model discloses an embodiment, the motion is including being located the first installation department of main part one side, being located the second installation department of main part opposite side with be located the third installation department of main part top, first installation department is used for the installation coupling assembling, the second installation department is used for the installation linear displacement measuring unit, the third installation department is used for the installation servo motor.
According to the utility model discloses an embodiment, first installation department is including being used for holding coupling assembling's recess is used for supplying on the recess wall two second openings that the output shaft wore to establish, the position of second opening with the position of first opening corresponds, the output shaft is from one after the second opening is worn out, through the second coupling passes another in proper order the second opening with first opening.
According to the utility model discloses an embodiment, linear displacement measurement unit includes: the linear grating ruler comprises a linear grating ruler base, a linear grating ruler reading head and a linear grating ruler strip, wherein the linear grating ruler strip is installed on the second installation part, the linear grating ruler reading head passes through the linear grating ruler base and is installed on the shell, and the linear grating ruler reading head and the linear grating ruler strip are arranged oppositely to receive linear displacement fed back by the linear grating ruler strip.
According to the utility model discloses an embodiment, servo motor is including being used for the output shaft provides the rotating electrical machines and the planetary reducer of power, the rotating electrical machines with planetary reducer connects, planetary reducer installs on the third installation department and with first coupling joint, the rotating electrical machines is permanent magnetism synchronous rotating electrical machines.
According to the utility model discloses an embodiment, rotation angle measuring unit with the rotating electrical machines is connected, rotation angle measuring unit includes: the code disc grating scale reading head is fixedly connected with the inner surface of the rotating motor, and the code disc grating scale reading head and the code disc grating scale are arranged oppositely to receive the rotating angle fed back by the code disc grating scale.
According to the utility model discloses an embodiment, the linear electric rotating machine includes the motion control module, the motion control module respectively with linear displacement measuring unit the rotation angle measuring unit is connected, is used for receiving linear displacement measuring unit with rotation angle measuring unit's measuring result and calculation the positional information of output shaft.
According to an embodiment of the invention, the thickness of the housing is 20 mm.
The utility model discloses a linear rotating motor passes through motion mechanism and connects linear motor and servo motor, not only can realize the linear rotating motion of two degrees of freedom, can reduce linear rotating motor's volume simultaneously, simplifies the inside overall arrangement of linear rotating motor, saves complicated transmission link, has improved linear rotating motor's motion positioning accuracy simultaneously.
Drawings
Fig. 1 is a schematic structural view of the linear rotating electric machine of the present invention.
Fig. 2 is a sectional view of the linear rotating electric machine of the present invention.
Fig. 3 is a schematic diagram of the layout structure of each component of the motion mechanism of the present invention.
Fig. 4 is a front view of the layout of the components of the motion mechanism of the present invention.
Fig. 5 is a schematic structural diagram of the movement mechanism of the present invention.
Fig. 6 is a front view of the movement mechanism of the present invention.
Fig. 7 is a schematic structural view of the linear rotating electric machine according to the present invention after being packaged.
Fig. 8 is a side view of the linear rotating electric machine according to the present invention after packaging.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following, many aspects of the present invention will be better understood with reference to the drawings. The components in the drawings are not necessarily to scale. Instead, emphasis is placed upon clearly illustrating the components of the present invention. Moreover, in the several views of the drawings, like reference numerals designate corresponding parts.
The word "exemplary" or "illustrative" as used herein means serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" or "illustrative" is not necessarily to be construed as preferred or advantageous over other embodiments. All of the embodiments described below are exemplary embodiments provided to enable persons skilled in the art to make and use the examples of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims. In other instances, well-known features and methods have been described in detail so as not to obscure the invention. For purposes of the description herein, the terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," and derivatives thereof shall relate to the invention as oriented in fig. 1. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background, brief summary or the following detailed description. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the following specification are simply exemplary embodiments of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise.
Referring to fig. 1 and 2, the linear rotating electric machine includes: the linear displacement measuring device comprises a shell 10, a motion mechanism 20 arranged in the shell 10, a linear motor 30, a servo motor 40, an output shaft 50, a connecting assembly 60, a linear displacement measuring unit 70, a rotating angle measuring unit 80, a sliding rail 90 and a sliding block 100.
The rotation angle measuring unit 80 is arranged inside the servo motor 40, the connecting assembly 60 is connected with the servo motor 40 and the output shaft 50, the servo motor 40, the output shaft 50 and the linear displacement measuring unit 70 are all arranged on the moving mechanism 20, the linear motor 30 is positioned below the moving mechanism 20, the moving mechanism 20 is fixedly connected with a sliding block 100, the sliding block 90 is fixedly arranged on the shell 10, the moving mechanism 20 is connected with the sliding block 90 through the sliding block 100, the linear motor 30 drives the moving mechanism 20 to linearly move along the sliding block 90 in parallel with the output shaft 50, the servo motor 40, the output shaft 50, the linear displacement measuring unit 70 and the rotation angle measuring unit 80 arranged inside the servo motor 40 do linear rotation movement along with the moving mechanism 20, and the linear displacement measuring unit 70 measures the displacement of the linear movement of the output shaft 50, meanwhile, the servo motor 40 drives the output shaft 50 to perform a rotational motion along the moving direction of the output shaft 50 through the connecting assembly 60, and the rotation angle measuring unit 80 is used for measuring the angle of the rotational motion of the output shaft 50. This setting mode can realize the linear rotation motion of two degrees of freedom, combines linear electric motor 30 and servo motor 40 through motion 20 can reduce linear electric motor's volume, simplifies the inside overall arrangement of linear electric motor, saves complicated transmission link, has improved linear electric motor's motion positioning accuracy simultaneously.
Referring to fig. 1, the housing 10 is opened with a first through hole 11, and the output shaft 50 extends from the first through hole 11 to the outside of the housing 10 during the linear motion and the rotational motion.
Referring to fig. 1 and 2, the linear motor 30 includes a stator 31 fixed on the housing and a mover 32 located above the stator and cooperating with the stator 31, the mover 32 is fixedly connected to the moving mechanism 20, and the mover 32 drives the moving mechanism 20 to move linearly in parallel with the output shaft 50 when moving linearly on the stator 31.
Referring to fig. 3 and 4, the servo motor 40 includes a rotating motor 41 for providing power to the output shaft 50 and a planetary reducer 42, the rotating motor 41 is connected to the planetary reducer 42, the planetary reducer 42 is connected to the output shaft 50 through a connecting assembly 60, and the planetary reducer 42 performs speed reduction and torque increase processing on the rotating output of the rotating motor 41, so that the output shaft 20 obtains a larger torque. In the present embodiment, the rotating electrical machine 41 is preferably a permanent magnet synchronous rotating electrical machine.
Referring to fig. 1 to 4, the connecting assembly 60 includes a first coupling 61, a belt 62 and a second coupling 63, the first coupling 61 connects the planetary reducer 42 and the belt 62, the second coupling 63 connects the output shaft 50 and the belt 62, the rotating motor 41 drives the first coupling 61 to drive the belt 62 to rotate, and the belt 62 drives the output shaft 50 to rotate through the second coupling 63.
Referring to fig. 3 to 6, the moving mechanism 20 includes a main body 21 for mounting the output shaft 50, a first mounting portion 22 located at one side of the main body 21, a second mounting portion 23 located at the other side of the main body 21, a third mounting portion 24 located above the main body 21, and a fourth mounting portion 25 located behind the main body 21, the first mounting portion 22 is used for mounting the connecting assembly 60, the second mounting portion 23 is used for mounting the linear displacement measuring unit 70, the third mounting portion 24 is used for mounting the servo motor 40, and the fourth mounting portion 25 is used for mounting the slider 100. The main body 21 is provided with a plurality of hole locations 211, the hole locations 211 are matched with the first screws 212 to fixedly connect the moving mechanism 20 and the mover 32, referring to fig. 2, the main body 21 fixedly connects the moving mechanism 20 and the slider 100 through the second screws 213. The arrangement mode can ensure that all parts arranged on the motion mechanism 20 can follow the rotor 32 together with the motion mechanism 20 to do linear motion parallel to the output shaft 50, further improves the motion positioning precision of the linear rotating motor, and enables the structure of the linear rotating motor to be compact, complex transmission links to be omitted and the load of the output shaft 50 to be reduced.
Referring to fig. 1, 3 and 5, the first mounting portion 22 includes a groove 221 for accommodating the connecting assembly 60 and two second openings 222 located on a wall of the groove 221 for the output shaft 50 to pass through, the positions of the second openings 222 correspond to the positions of the first openings 11, and the output shaft 50 passes through one of the second openings 222 and then sequentially passes through the other second opening 222 and the first opening 11 through the second coupling 63.
Referring to fig. 3 and 4, the linear displacement measuring unit 70 includes: the linear grating ruler comprises a linear grating ruler base 71, a linear grating ruler reading head 72 and linear grating ruler strips 73, wherein the linear grating ruler base 71 is installed on the second installation part 23, the linear grating ruler reading head 72 is installed on the shell 10 through the linear grating ruler base 71, the linear grating ruler strips 73 are installed on the second installation part 23, and the linear grating ruler reading head 72 and the linear grating ruler strips 73 are arranged oppositely to receive linear displacement fed back by the linear grating ruler strips 73.
Referring to fig. 3 and 4, the rotation angle measuring unit 80 includes: the code disc grating scale reading head 81 is fixedly connected with the inner surface of the rotating motor 41, and the code disc grating scale reading head 81 and the code disc grating scale 82 are arranged oppositely to receive the rotation angle fed back by the code disc grating scale 82.
The linear rotating electrical machine includes a motion control module (not shown in the figure), which is respectively connected to the linear displacement measuring unit 70 and the rotational angle measuring unit 80, and is configured to receive the measurement results of the linear displacement measuring unit 70 and the rotational angle measuring unit 80 and calculate the position information of the output shaft 50. The utility model discloses a linear rotating electrical machines can realize real-time displacement and the two closed-loop control of angle, has higher positioning accuracy.
In this embodiment, can realize through above-mentioned structural design that the thickness of casing is 20mm, as shown in the figure, 7 and 8, the utility model discloses a linear rotating electrical machines has reduced the volume greatly, provides possibility, greatly increased work efficiency for the application of linear rotating electrical machines side by side simultaneous working at a plurality of motors in industry high accuracy product processing equipment field.
The utility model discloses a linear rotating electrical machines's working process as follows: the linear motor 30 is operated, the mover 31 drives the moving mechanism 20 to make a linear motion on the slide rail 90 in parallel with the output shaft 50, thereby driving the servo motor 40 installed on the moving mechanism 20, the output shaft 50, the linear displacement measuring unit 70 and the rotation angle measuring unit 80 installed inside the servo motor 40 to make linear rotation motion together with the moving mechanism 20, meanwhile, the servo motor 40 drives the first coupling 61 to drive the belt 62 to rotate, the belt 62 drives the output shaft 50 to rotate through the second coupling 63, so that the output shaft 50 linearly and rotatably extends out of the housing 10 from the first through opening 11, the linear displacement measuring unit 70 measures the displacement of the linear movement of the output shaft 50, the rotational angle measuring unit 80 measures the angle of the rotational movement of the output shaft 50, and the motion control module collects the measurement results of the linear displacement measuring unit 70 and the rotational angle measuring unit 80 and calculates the position information of the output shaft 50.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. A linear rotating electric machine, characterized by comprising:
the shell is provided with a first through hole;
the movement mechanism is movably arranged in the shell;
an output shaft fixedly arranged on the motion mechanism, wherein the motion mechanism drives the output shaft to extend out of the shell from the first through hole;
the servo motor is arranged on the movement mechanism and connected with the output shaft to drive the output shaft to rotate;
the linear motor is positioned below the moving mechanism and comprises a stator fixed on the shell and a rotor positioned above the stator and matched with the stator, the rotor is fixedly connected with the moving mechanism, the rotor drives the moving mechanism to do linear motion parallel to the output shaft, and when the moving mechanism moves along with the rotor, the moving mechanism drives the output shaft to do linear motion parallel to the output shaft and rotary motion along the moving direction of the output shaft;
the linear displacement measuring unit is mounted on the motion mechanism and used for measuring the displacement of the linear motion of the output shaft;
and the rotating angle measuring unit is arranged in the servo motor and is used for measuring the angle of the rotating motion of the output shaft.
2. The linear rotating electrical machine according to claim 1, further comprising a slide rail and a slider slidably connected to the slide rail, wherein the slider is fixedly connected to the moving mechanism, the moving mechanism is connected to the slide rail through the slider, and the slide rail is fixedly mounted on the housing.
3. The linear rotating electrical machine according to claim 2, wherein the moving mechanism includes a main body portion for mounting the output shaft, the main body portion defines a plurality of holes, the holes cooperate with a first screw to fixedly connect the moving mechanism to the mover, and a second screw is disposed behind the main body portion to fixedly connect the moving mechanism to the slider.
4. The linear rotating electrical machine according to claim 3, further comprising a connecting assembly, wherein the connecting assembly comprises a first coupling, a belt and a second coupling, the first coupling connects the servo motor and the belt, the second coupling connects the output shaft and the belt, and the servo motor drives the output shaft to rotate through the connecting assembly.
5. The linear rotating electrical machine according to claim 4, wherein the movement mechanism includes a first mounting portion located on one side of the main body portion, a second mounting portion located on the other side of the main body portion, and a third mounting portion located above the main body portion, the first mounting portion is used for mounting the connecting assembly, the second mounting portion is used for mounting the linear displacement measuring unit, and the third mounting portion is used for mounting the servo motor.
6. The linear rotating electrical machine according to claim 5, wherein the first mounting portion includes a groove for accommodating the connecting member and two second through openings provided in a wall of the groove for the output shaft to pass through, positions of the second through openings correspond to positions of the first through openings, and the output shaft passes through one of the second through openings and the other of the second through openings and the first through opening in sequence through the second coupling.
7. The linear rotary electric machine according to claim 5, characterized in that the linear displacement measuring unit includes: the linear grating ruler comprises a linear grating ruler base, a linear grating ruler reading head and a linear grating ruler strip, wherein the linear grating ruler strip is installed on the second installation part, the linear grating ruler reading head passes through the linear grating ruler base and is installed on the shell, and the linear grating ruler reading head and the linear grating ruler strip are arranged oppositely to receive linear displacement fed back by the linear grating ruler strip.
8. The linear rotating electric machine according to claim 5, wherein the servo motor includes a rotating electric machine for powering the output shaft and a planetary reduction gear, the rotating electric machine being connected to the planetary reduction gear, the planetary reduction gear being mounted on the third mounting portion and being connected to the first coupling, the rotating electric machine being a permanent magnet synchronous rotating electric machine.
9. The linear rotating electrical machine according to claim 8, wherein the rotation angle measuring unit is connected to the rotating electrical machine, the rotation angle measuring unit including: the code disc grating scale reading head is fixedly connected with the inner surface of the rotating motor, and the code disc grating scale reading head and the code disc grating scale are arranged oppositely to receive the rotating angle fed back by the code disc grating scale.
10. The linear rotating electrical machine according to claim 1, comprising a motion control module, connected to the linear displacement measuring unit and the rotational angle measuring unit, respectively, for receiving measurement results of the linear displacement measuring unit and the rotational angle measuring unit and calculating position information of the output shaft.
11. A linear rotating electric machine according to claim 1, characterized in that the thickness of the housing is 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370695.3U CN211606364U (en) | 2019-12-25 | 2019-12-25 | Linear rotating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370695.3U CN211606364U (en) | 2019-12-25 | 2019-12-25 | Linear rotating motor |
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| CN211606364U true CN211606364U (en) | 2020-09-29 |
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| CN201922370695.3U Active CN211606364U (en) | 2019-12-25 | 2019-12-25 | Linear rotating motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067449A (en) * | 2021-03-30 | 2021-07-02 | 深圳精技工业科技有限公司 | High-precision up-and-down rotating motion device |
| CN115231301A (en) * | 2021-09-06 | 2022-10-25 | 钧舵机器人(上海)有限公司 | Exercise device |
| CN115632516A (en) * | 2022-12-01 | 2023-01-20 | 普达迪泰(成都)智造研究院有限公司 | High-precision servo linear driving device |
| CN116526750A (en) * | 2023-07-05 | 2023-08-01 | 国奥科技(深圳)有限公司 | Linear rotating motor with accurate positioning function |
| CN117543930A (en) * | 2023-10-19 | 2024-02-09 | 深圳市速程精密科技有限公司 | Shell for constructing stator structure of linear rotating motor |
-
2019
- 2019-12-25 CN CN201922370695.3U patent/CN211606364U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113067449A (en) * | 2021-03-30 | 2021-07-02 | 深圳精技工业科技有限公司 | High-precision up-and-down rotating motion device |
| CN113067449B (en) * | 2021-03-30 | 2022-05-27 | 深圳精技工业科技有限公司 | High-precision up-and-down rotating motion device |
| CN115231301A (en) * | 2021-09-06 | 2022-10-25 | 钧舵机器人(上海)有限公司 | Exercise device |
| CN115231301B (en) * | 2021-09-06 | 2024-08-06 | 苏州钧舵机器人有限公司 | Exercise device |
| CN115632516A (en) * | 2022-12-01 | 2023-01-20 | 普达迪泰(成都)智造研究院有限公司 | High-precision servo linear driving device |
| CN116526750A (en) * | 2023-07-05 | 2023-08-01 | 国奥科技(深圳)有限公司 | Linear rotating motor with accurate positioning function |
| CN117543930A (en) * | 2023-10-19 | 2024-02-09 | 深圳市速程精密科技有限公司 | Shell for constructing stator structure of linear rotating motor |
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Commission number: 5W133038 Conclusion of examination: Declare claims 3 and 4 of utility model patent No. 201922370695.3 invalid, and maintain the validity of the patent on the basis of claims 5-9 in the text of this patent authorization announcement Decision date of declaring invalidation: 20231116 Decision number of declaring invalidation: 564749 Denomination of utility model: A linear rotary motor Granted publication date: 20200929 Patentee: GOAL TECHNOLOGY (SHENZHEN) Co.,Ltd. |