CN217692958U - Actuator with linear and rotary motion - Google Patents
Actuator with linear and rotary motion Download PDFInfo
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- CN217692958U CN217692958U CN202221641263.7U CN202221641263U CN217692958U CN 217692958 U CN217692958 U CN 217692958U CN 202221641263 U CN202221641263 U CN 202221641263U CN 217692958 U CN217692958 U CN 217692958U
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- sliding seat
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Abstract
The utility model relates to an actuator with linear and rotary motion, which comprises a casing, wherein a voice coil motor, a rotary motor, a magnetic grid, a rod body, a sliding seat and a circuit board are arranged in the casing, the rotary motor is arranged on the sliding seat, the sliding seat is provided with a sliding channel, the rod body is movably arranged in the sliding channel, one end of the rod body extends out of the sliding channel and is connected with a rotating part of the rotary motor, and the other end of the rod body passes through the sliding channel and extends out of the casing; voice coil motor's sliding part and sliding seat are connected, and voice coil motor can drive the sliding seat along the length direction high frequency linear motion of vertical guide rail, realizes the body of rod lift, and voice coil motor response is quick moreover, small, improves the speed that the body of rod goes up and down greatly, reduces the volume of actuator moreover.
Description
Technical Field
The utility model relates to an actuator that possesses sharp, rotary motion.
Background
The existing actuator with linear and rotary motion generally adopts a motor to drive a screw rod to complete linear motion or utilizes a servo motor or a stepping motor to drive a rotary spline lead screw to complete linear and rotary motion.
However, by adopting the structure, the product volume is larger, the linear motion efficiency is low, and the precision of the linear motion and the rotary motion can only be controlled by a motor, so that closed-loop driving can not be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a product is small, high frequency linear motion, high accuracy closed-loop control's an actuator that possesses sharp, rotary motion.
The purpose of the utility model is realized like this:
an actuator with linear and rotary motion comprises a machine shell, wherein a voice coil motor, a rotary motor, a magnetic grid, a rod body, a sliding seat and a circuit board are arranged in the machine shell, the rotary motor is arranged on the sliding seat, the sliding seat is provided with a sliding channel, the rod body is movably arranged in the sliding channel, one end of the rod body extends out of the sliding channel and is connected with a rotating part of the rotary motor, and the other end of the rod body penetrates through the sliding channel and extends out of the machine shell;
the inner cavity of the shell is provided with a vertical guide rail, the sliding seat is arranged on the vertical guide rail in a sliding mode, and a sliding part of the voice coil motor is connected with the sliding seat;
the magnetic grid comprises a magnetic head and a magnetic scale, the magnetic scale is arranged on the sliding seat or the machine shell, the magnetic head is arranged on the machine shell or the sliding seat and is in contact with the magnetic scale, and the voice coil motor, the rotating motor and the magnetic grid are respectively and electrically connected with the circuit board.
Voice coil motor's sliding part and sliding seat are connected, and voice coil motor can drive the sliding seat along the length direction high frequency linear motion of vertical guide rail, realizes the body of rod lift, and voice coil motor response is quick moreover, small, improves the speed that the body of rod goes up and down greatly, reduces the volume of actuator moreover.
Moreover, the magnetic grid has the advantages of high precision, simplicity in copying, convenience in installation and adjustment and the like, and still has higher stability when oil stains and dust are used in a more working environment, the magnetic scale is arranged on the sliding seat, the magnetic head is in contact with the magnetic scale, and when the sliding seat is lifted, the magnetic head reads a signal of the magnetic scale and feeds the signal back to the circuit board, so that the lifting position of the rod body is obtained, and the high-precision control of the lifting position of the rod body is realized.
Furthermore, the rotating motor is arranged on the sliding seat, the rod body is connected with the rotating portion of the rotating motor, and the rotating motor drives the rod body to rotate, so that the rotating function of the rod body is realized.
The purpose of the utility model can also adopt the following technical measures to solve:
furthermore, the air-conditioning air conditioner further comprises an air passage and a rotary joint, wherein the casing is provided with an air port, the air passage is arranged in the inner cavity of the casing, the rod body is a rod body which is communicated from top to bottom, one end of the rotary joint is communicated with the rod body, the other end of the rotary joint is communicated with one port of the air passage, and the other port of the air passage is communicated with the air port of the casing.
The external air source is communicated with the rod body through the air passage and the rotary joint, and the rotary joint is adopted, so that air leakage is prevented, air supply and exhaust are not influenced when the rod body rotates, and the rod body has the effect of ventilation while rotating.
Further, still include the speed reduction subassembly, the speed reduction subassembly includes first reduction gear and second reduction gear, first reduction gear sets up in the pivot of rotating electrical machines, second reduction gear sets up on the body of rod, and first reduction gear and second reduction gear mesh.
Further, the sliding device further comprises a bearing, the bearing is arranged in the sliding seat, an opening of the bearing is communicated with the sliding channel, the rod body penetrates through the opening of the bearing, and the bearing is sleeved on the rod body.
The rotating electrical machines drives the body of rod rotatory through first gear and second gear speed reduction back, and the sliding seat embeds has the bearing moreover, and the bearing housing is put on the body of rod, improves the rotatory effect of the body of rod, avoids the body of rod skew, realizes body of rod rotation function.
The sliding seat is provided with a containing cavity at the periphery of the lower port of the sliding channel, the spring is arranged in the casing, one end of the spring is abutted against the containing cavity, the other end of the spring is abutted against the casing, and the spring forms a reset mechanism of the sliding seat.
The spring constitutes the canceling release mechanical system of sliding seat, and when the body of rod need stretch out the casing outside, the elasticity of spring need be overcome to voice coil motor to force the sliding seat to move down, when the body of rod needs to retract in the casing, the body of rod quick retraction function is realized in driving the body of rod under the combined action of voice coil motor and spring, and the elasticity of spring keeps promoting the sliding seat to shift up moreover always, avoids the sliding seat to descend because of the action of gravity, leads to the body of rod gliding, improves the precision that the body of rod goes up and down greatly.
The voice coil motor is characterized by further comprising a transition plate, wherein the transition plate is positioned between the sliding seat and the voice coil motor, one side of the transition plate is connected with the sliding seat, and the other side of the transition plate is connected with a sliding part of the voice coil motor.
The flat cable is arranged in the shell, one end of the flat cable is connected with the circuit board, and the other end of the flat cable is connected with the rotating motor. The flat cable is adopted, the flat cable is long and can be bent, so that when the sliding seat is lifted, the flat cable is synchronously stretched, the rotating motor and the circuit board are always in a connected state, and the circuit is prevented from being pulled apart.
Further, still include the slider, the sliding seat is opened there is the mounting groove, the slider is fixed on the mounting groove, the inner chamber lateral wall of casing is provided with vertical guide rail, the slider is located vertical guide rail.
Further, the rotating motor is a servo motor or a stepping motor.
Further, the sliding seat is provided with the magnetic scale, and the magnetic head is arranged on the side wall of the inner cavity of the shell corresponding to the position of the magnetic scale.
The magnetic grid has the precision height, the duplication is simple and advantages such as installation adjustment is convenient, when greasy dirt, the more operational environment of dust use, still has higher stability moreover, and the magnetism scale sets up on the sliding seat, and when the sliding seat goes up and down, the magnetic head reads the signal of magnetism scale and feeds back to the circuit board to learn the lifting position of the body of rod, improve the position control precision that the body of rod goes up and down, accomplish high accuracy and closed-loop control.
Furthermore, the casing is provided with a communication port for connecting a superior controller, and the communication port is electrically connected with the circuit board.
The utility model has the advantages as follows:
the utility model discloses, voice coil motor's sliding part and sliding seat are connected, and voice coil motor can drive the sliding seat along the length direction high frequency linear motion of vertical guide rail, realizes the body of rod and goes up and down, and voice coil motor response is quick, small moreover, improves the speed that the body of rod goes up and down greatly, reduces the volume of actuator moreover.
The utility model discloses, the magnetic grid has advantages such as the precision is high, the duplication is simple and installation adjustment is convenient, when greasy dirt, the more operational environment of dust use, still has higher stability moreover, the magnetic scale sets up on the sliding seat, and magnetic head and magnetic scale contact, when the sliding seat goes up and down, the magnetic head reads the signal of magnetic scale and feeds back to the circuit board to obtain the elevating position of the body of rod, realize the high accuracy control of body of rod elevating position.
The utility model discloses, the rotating electrical machines sets up on the sliding seat, and the body of rod is connected with the rotating electrical machines's rotation portion, and the rotating electrical machines drives the body of rod rotation, realizes body of rod rotation function.
The utility model discloses, external air supply passes through the air flue and the rotary joint intercommunication body of rod, owing to adopt rotary joint, prevents gas leakage, does not influence the confession when the body of rod is rotatory moreover, exhausts, makes the body of rod possess the effect of ventilating while rotatory.
The utility model discloses, the spring constitutes the canceling release mechanical system of sliding seat, and when the body of rod need stretch out the casing outside, the elasticity of spring need be overcome to voice coil motor to force the sliding seat to move down, when the body of rod needs to retract in the casing, in the combined action of voice coil motor and spring drove the quick retraction casing of the body of rod down, realized the quick flexible function of the body of rod, the elasticity of spring keeps promoting the sliding seat to shift up in addition always, avoids the sliding seat to descend because of the action of gravity down, leads to the body of rod gliding, improves the precision that the body of rod goes up and down greatly.
Drawings
Fig. 1 is a schematic diagram of an actuator having linear and rotational motion.
FIG. 2 is another angular schematic view of an actuator with linear, rotational motion.
FIG. 3 is a schematic view of an actuator with linear, rotational motion (except for a partial housing).
Fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 3.
Fig. 5 is a cross-sectional view of an actuator having linear and rotational motion.
Fig. 6 is a schematic view of an actuator with linear and rotary motion (except for a housing).
FIG. 7 is another perspective view of the actuator with linear, rotational motion (except for the housing).
Fig. 8 is an exploded view (except the housing) of an actuator with linear, rotational motion.
Fig. 9 is a schematic view (except a partial housing) of an actuator with linear and rotary motion.
Fig. 10 is a cross-sectional view of an actuator having linear and rotational motion.
Fig. 11 is a B-B sectional view of an actuator having a linear and rotational motion.
Fig. 12 is a schematic view of a slide base provided with an actuator that performs linear and rotational motion.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
in an embodiment, referring to fig. 1 to 12, an actuator with linear and rotational motion includes a housing 1, and a voice coil motor 2, a rotating motor 3, a magnetic grid 4, a rod body 5, a sliding seat 6, a circuit board 300, an air channel 400, a rotary joint 7, a speed reduction assembly 8, a bearing 200, a spring 9, a transition plate 10, a flat cable 500, and a slider 600 are disposed in the housing 1.
The inner cavity side wall of the machine shell 1 is provided with a vertical guide rail 100, the sliding seat 6 is provided with a mounting groove 61, the sliding block 600 is fixed on the mounting groove 61, the sliding block 600 is seated on the vertical guide rail 100, and the sliding seat 6 slides along the length direction of the vertical guide rail 100.
The first reduction gear 81 is provided on the rotation shaft of the rotating electric machine 3, the second reduction gear 82 is provided on the rod body 5, and the first reduction gear 81 and the second reduction gear 82 are engaged.
The voice coil motor 2 is arranged in the machine shell 1, the transition plate 10 is positioned between the sliding seat 6 and the voice coil motor 2, one side of the transition plate 10 is connected with the sliding seat 6, and the other side of the transition plate 10 is connected with the sliding part 21 of the voice coil motor 2.
The sliding seat 6 is provided with an accommodating cavity 63 at the periphery of the lower port of the sliding channel 62, the spring 9 is arranged in the machine case 1, one end of the spring 9 is abutted against the accommodating cavity 63, the other end of the spring 9 is abutted against the machine case 1, and the spring 9 forms a reset mechanism of the sliding seat 6.
The magnetic grid 4 comprises a magnetic head 41 and a magnetic scale 42, the magnetic scale 42 is arranged on the sliding seat 6, and the magnetic head 41 is arranged on the side wall of the inner cavity of the machine shell 1 corresponding to the magnetic scale 42 and is in contact with the magnetic scale 42.
The casing 1 is provided with an air port 13, the air passage 400 is arranged in the inner cavity of the casing 1, one end of the rotary joint 7 is communicated with the rod body 5, the other end of the rotary joint 7 is communicated with one port of the air passage 400, and the other port of the air passage 400 is communicated with the air port 13 of the casing 1.
The casing 1 is provided with a communication port 12 for connecting a superior controller, the circuit board 300 is arranged in the inner cavity of the casing 1, and the voice coil motor 2, the rotating motor 3, the magnetic grid 4 and the communication port 12 are respectively electrically connected with the circuit board 300.
The flat cable 500 is arranged in the casing 1, one end of the flat cable 500 is connected with the circuit board 300, and the other end of the flat cable 500 is connected with the rotating motor 3, so that the rotating motor 3 is electrically connected with the circuit board 300.
The communication port 12 of the actuator having linear and rotational motions is connected to a host controller, and the host controller controls the voice coil motor 2 and the rotary motor 3 through the circuit board 300 and acquires position data of the magnetic scale 4.
The working principle is as follows:
during linear motion:
the voice coil motor 2 is composed of a sliding part 21 coated in a permanent magnet with a large magnetic field strength, so that electromagnetic force is generated by current passing through a coil according to the fleming rule, and the induced force is changed by changing the direction and the magnitude of the current, so that the motion is allowed to be controlled, and the sliding part 21 drives a rod body 5 to perform high-frequency linear motion along a vertical guide rail 100 through a transition plate 10 and a sliding seat 6, so that the rod body 5 is quickly lifted, and the actuator has the advantages of high frequency response, high precision, small volume, good force characteristics, convenience in control, low-speed smoothness, long service life and the like.
Moreover, spring 9 constitutes the canceling release mechanical system of sliding seat 6, when the body of rod 5 need stretch out the casing 1 outside, voice coil motor 2 need overcome spring 9's elasticity, thereby force sliding seat 6 to move down, when the body of rod 5 need retract in the casing 1, voice coil motor 2 and spring 9's combined action drive the body of rod 5 fast retraction casing 1 down in, realize the quick flexible function of the body of rod 5, and spring 9's elasticity is maintained always and is promoted sliding seat 6 and move up, avoid sliding seat 6 to descend because of the action of gravity, lead to the body of rod 5 gliding, improve the precision that the body of rod 5 goes up and down greatly.
Furthermore, the magnetic grid 4 has the advantages of high precision, simplicity in copying, convenience in mounting and adjusting and the like, and still has higher stability when used in a working environment with more oil stains and dust, the magnetic scale 42 is arranged on the sliding seat 6, and when the sliding seat 6 goes up and down, the magnetic head 41 reads a signal of the magnetic scale 42 and feeds the signal back to the circuit board 300, so that the lifting position of the rod body 5 is known, the position control precision of the lifting of the rod body 5 is improved, and high precision and closed-loop control are completed.
During the rotation movement:
rotating electrical machines 3 drives the body of rod 5 rotatory through first gear and second gear speed reduction back, and 6 embeds there is bearing 200 in the sliding seat moreover, and bearing 200 covers is put on the body of rod 5, improves the rotatory effect of the body of rod 5, avoids the body of rod 5 skew, realizes the body of rod 5 rotation function.
When supplying and exhausting gas:
the external air source is communicated with the rod body 5 through the air passage 400 and the rotary joint 7, and the rotary joint 7 is adopted to prevent air leakage, so that the air supply and the air exhaust are not influenced when the rod body 5 rotates, and the rod body 5 has the effect of ventilation while rotating.
The actuator with linear and rotary motion can be fixed on modules such as a manipulator, a sliding table and the like, including but not limited to the machines, and can complete linear motion (0-40 HZ) at high frequency, high-speed rotation (0-5000 r/min), high-speed and long-life rotary joints (0-10 hundred million).
Claims (10)
1. The utility model provides an actuator that possesses sharp, rotary motion, includes the casing, and the casing embeds has voice coil motor, rotating electrical machines, magnetic grid, the body of rod, sliding seat and circuit board, its characterized in that:
the rotating motor is arranged on the sliding seat, the sliding seat is provided with a sliding channel, the rod body is movably arranged in the sliding channel, one end of the rod body extends out of the sliding channel and is connected with a rotating part of the rotating motor, and the other end of the rod body penetrates through the sliding channel and extends out of the machine shell;
the inner cavity of the shell is provided with a vertical guide rail, the sliding seat is arranged on the vertical guide rail in a sliding mode, and a sliding part of the voice coil motor is connected with the sliding seat;
the magnetic grid comprises a magnetic head and a magnetic scale, the magnetic scale is arranged on the sliding seat or the machine shell, the magnetic head is arranged on the machine shell or the sliding seat and is in contact with the magnetic scale, and the voice coil motor, the rotating motor and the magnetic grid are respectively and electrically connected with the circuit board.
2. The actuator with linear and rotary motion as set forth in claim 1, wherein: the air-conditioning device is characterized by further comprising an air passage and a rotary joint, wherein the shell is provided with an air port, the air passage is arranged in the inner cavity of the shell, the rod body is a rod body which is communicated from top to bottom, one end of the rotary joint is communicated with the rod body, the other end of the rotary joint is communicated with one port of the air passage, and the other port of the air passage is communicated with the air port of the shell.
3. The actuator with linear and rotary motion according to claim 1, wherein: still include reduction gears, reduction gears includes first reduction gear and second reduction gear, first reduction gear sets up in the pivot of rotating electrical machines, second reduction gear sets up on the body of rod, and first reduction gear and second reduction gear mesh.
4. The actuator with linear and rotary motion as set forth in claim 1, wherein: the sliding seat is characterized by further comprising a bearing, the bearing is arranged in the sliding seat, an opening of the bearing is communicated with the sliding channel, the rod body penetrates through the opening of the bearing, and the bearing is sleeved on the rod body.
5. The actuator with linear and rotary motion according to claim 1, wherein: the sliding seat is characterized by further comprising a spring, a movable opening is formed in the lower end, corresponding to the rod body, of the machine shell, an accommodating cavity is formed in the periphery of the lower end opening, located in the sliding channel, of the sliding seat, the spring is arranged in the machine shell, one end of the spring abuts against the accommodating cavity, the other end of the spring abuts against the interior of the machine shell, and the spring constitutes a reset mechanism of the sliding seat.
6. The actuator with linear and rotary motion according to claim 1, wherein: the voice coil motor is characterized by further comprising a transition plate, wherein the transition plate is located between the sliding seat and the voice coil motor, one side of the transition plate is connected with the sliding seat, and the other side of the transition plate is connected with a sliding part of the voice coil motor.
7. The actuator with linear and rotary motion as set forth in claim 1, wherein: the flat cable is arranged in the shell, one end of the flat cable is connected with the circuit board, and the other end of the flat cable is connected with the rotating motor.
8. The actuator with linear and rotary motion as set forth in claim 1, wherein: still include the slider, the sliding seat is opened there is the mounting groove, the slider is fixed on the mounting groove, the inner chamber lateral wall of casing is provided with vertical guide rail, the slider is sat on vertical guide rail.
9. The actuator with linear and rotary motion as set forth in claim 1, wherein: the rotating motor is a servo motor or a stepping motor.
10. The actuator with linear and rotary motion according to claim 1, wherein: the shell is provided with a communication port for connecting the superior controller, and the communication port is electrically connected with the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221641263.7U CN217692958U (en) | 2022-06-27 | 2022-06-27 | Actuator with linear and rotary motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221641263.7U CN217692958U (en) | 2022-06-27 | 2022-06-27 | Actuator with linear and rotary motion |
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| Publication Number | Publication Date |
|---|---|
| CN217692958U true CN217692958U (en) | 2022-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221641263.7U Active CN217692958U (en) | 2022-06-27 | 2022-06-27 | Actuator with linear and rotary motion |
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| Country | Link |
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| CN (1) | CN217692958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116054526A (en) * | 2023-02-25 | 2023-05-02 | 佛山市增广智能科技有限公司 | Actuator with linear and rotary motion |
-
2022
- 2022-06-27 CN CN202221641263.7U patent/CN217692958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116054526A (en) * | 2023-02-25 | 2023-05-02 | 佛山市增广智能科技有限公司 | Actuator with linear and rotary motion |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An actuator with linear and rotational motion Effective date of registration: 20230512 Granted publication date: 20221028 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: Foshan Zengguang Intelligent Technology Co.,Ltd. Registration number: Y2023980040400 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |