CN217643029U - Air passage structure of actuator and actuator with linear and rotary motion - Google Patents
Air passage structure of actuator and actuator with linear and rotary motion Download PDFInfo
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- CN217643029U CN217643029U CN202221638075.9U CN202221638075U CN217643029U CN 217643029 U CN217643029 U CN 217643029U CN 202221638075 U CN202221638075 U CN 202221638075U CN 217643029 U CN217643029 U CN 217643029U
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Abstract
The utility model relates to an air flue structure of actuator, including sliding seat, the body of rod and sealing washer, the sliding seat is provided with glide path and first air flue, first air flue opens has first gas port and second gas port, first gas port exposes outside the sliding seat, the second gas port communicates glide path, the sealing washer sets up respectively in glide path's port department; the rod body is provided with a second air passage, the second air passage is provided with a third air port and a fourth air port, the first air passage is communicated with the air cavity, and when the rod body is lifted and rotated, the third air port of the rod body is always positioned in the air cavity, so that the air cavity can be always communicated with the second air passage, and the fourth air port (namely, the lower port of the rod body) of the rod body can intake air or exhaust air, thereby generating releasing force or adsorption force, and enabling the rod body to have the effects of ventilating while rotating and lifting.
Description
Technical Field
The utility model relates to an air flue structure of actuator and possess sharp, rotary motion's actuator.
Background
The air flue structure of current actuator, the body of rod that its action bars link up from top to bottom, in order to make the action bars produce adsorption affinity or release force, the gaseous pump of control goes into the body of rod or takes out the body of rod and can produce adsorption affinity or release force, the principle is simple, because the action bars of general actuator need possess rotation function, therefore the action bars need connect the rotating electrical machines, the rotating electrical machines drives the action bars rotation, also can produce adsorption affinity or release force in order to realize the action bars is rotatory, rotary joint is adopted to general actuator, the body of rod is connected to rotary joint one end, rotary joint connects the air flue.
Because of the mode of adopting rotary joint to connect, revolution mechanic can't direct connection rotating electrical machines's pivot, must carry out the transmission through drive mechanism between rotating electrical machines and the action bars, adopts the mode of rotary joint to connect moreover to cause equipment volume great.
In addition, in the existing actuator having linear and rotary motions, a motor is generally used to drive a screw rod to complete the linear motion or a servo motor or a stepping motor is used to drive a rotary spline lead screw to complete the linear and rotary motions.
However, by adopting the structure, the product volume is large, the linear motion efficiency is low, and the precision of the linear motion and the rotary motion can only be controlled by the motor, so that the closed-loop driving can not be realized.
SUMMERY OF THE UTILITY MODEL
A first object of the present invention is to provide an air passage structure of an actuator that does not affect the flow of air when a rod rotates.
A second object of the present invention is to provide an actuator with linear and rotary motion, which is small in size, high in frequency and closed-loop controlled with high precision.
The first purpose of the utility model is realized like this:
an air channel structure of an actuator comprises a sliding seat, a rod body and a sealing ring, wherein the sliding seat is provided with a sliding channel and a first air channel, the first air channel is provided with a first air port and a second air port, the first air port is exposed out of the sliding seat, the second air port is communicated with the sliding channel, and the sealing ring is respectively arranged at the port of the sliding channel; the rod body is provided with a second air passage, the second air passage is provided with a third air port and a fourth air port, the rod body penetrates through the sealing ring and extends into the sliding channel, the rod body can slide along the length direction of the sliding channel, meanwhile, an air cavity is formed by the sealing ring, the rod body and the sliding channel in a surrounding mode, the rod body can slide along the length direction of the sliding channel, and when the rod body is lifted and rotated, the third air port of the rod body is always located in the air cavity.
The first air passage is communicated with the air cavity, and when the rod body is lifted and rotated, the third air port of the rod body is always positioned in the air cavity, so that the air cavity can be always communicated with the second air passage, the fourth air port (namely, the lower port of the rod body) of the rod body can intake or exhaust air, and release force or adsorption force is generated, so that the rod body has the effects of ventilation while rotating and lifting.
The first purpose of the utility model can also adopt the following technical measures to solve:
furthermore, the sliding rod further comprises a bearing, the bearing is arranged on 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 sliding seat is internally provided with a bearing, and the bearing sleeve is arranged on the rod body, so that the rotating effect of the rod body is improved, the deviation of the rod body is avoided, and the rotating function of the rod body is realized.
Further, still include the trachea, the trachea intercommunication first gas port, the sealing washer is rotatory sealing washer. The rotary sealing ring, the rod body and the sliding channel are enclosed to form an air cavity, and the rotary sealing ring is adopted, so that air leakage of the air cavity is avoided, and the practicability of the air passage structure of the actuator is improved.
The second purpose of the utility model is realized like this:
an actuator with linear and rotary motion comprises a shell, wherein a voice coil motor, a rotary motor, a magnetic grid and a circuit board are arranged in the shell, the rotary motor is arranged on a sliding seat, one end of a rod body extends out of a 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 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 manner, 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.
The 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 that the body of rod goes up and down, 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 electrical machines are arranged on the sliding seats, the rod bodies are connected with the rotating portions of the rotating electrical machines, and the rotating electrical machines drive the rod bodies to rotate, so that the rotating function of the rod bodies is achieved.
The utility model discloses a second purpose can also adopt following technical measure to solve:
the rotating shaft of the rotating motor is connected to one end of the coupler, the rod body is connected to the other end of the coupler, and the rotating motor drives the rod body to rotate through the coupler. The rotary motor and the rod body are connected through the coupler, the rotary motor can directly drive the rod body to rotate, transmission efficiency is higher, the coupler is small in size, and equipment size is effectively reduced.
Furthermore, the device also comprises a spring, wherein one end of the spring is connected with the shell, the other end of the spring is connected with the sliding seat, and the spring forms a resetting 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 outside the casing, the pulling force of spring need be overcome to voice coil motor to force the sliding seat to move down, when the body of rod needs retract in the casing, the combined action of voice coil motor and spring drives the body of rod and retracts in the casing fast down, realizes the quick flexible function of the body of rod, and the pulling force of spring maintains the promotion sliding seat all the time and shifts up moreover, avoids the sliding seat to descend under 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 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 broken.
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.
Furthermore, the bottom of the machine shell is provided with anti-collision glue corresponding to the position of the sliding block. Through being provided with the anticollision and gluing, avoid slider decline process direct collision casing, the anticollision is glued effectively moreover and is cushioned the impact force of slider decline process, prolongs the life of actuator greatly.
Further, the casing is provided with a communication port for connecting a superior controller and an air hole for connecting an external air source, the communication port is electrically connected with the circuit board, and the air hole is communicated with the first air port.
The utility model has the advantages as follows:
the utility model discloses, first air flue and air cavity intercommunication, when the body of rod goes up and down, rotates, the third gas port of the body of rod is located the air cavity all the time, therefore the air cavity can switch on the second air flue all the time to make the fourth gas port of the body of rod (namely: the lower port of the body of rod) can admit air or exhaust, thereby produce release power or adsorption affinity, make the body of rod possess the effect of ventilating while rotatory, the lift is ventilated.
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, the spring constitutes the canceling release mechanical system of sliding seat, and when the body of rod need stretch out the casing outside, the pulling force 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 pulling force 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.
The utility model discloses, hookup through the shaft coupling between rotating electrical machines and the body of rod, the rotating electrical machines can directly drive the body of rod rotatory, and transmission efficiency is higher, and the shaft coupling is small moreover, effectively reduces the equipment volume.
Drawings
Fig. 1 is a schematic view of an air duct structure provided with a linear/rotary actuator.
Fig. 2 is a sectional view of fig. 1.
Fig. 3 is another angular cross-sectional view of fig. 1.
Fig. 4 is an exploded view of the air channel structure with linear and rotary actuator.
Fig. 5 is a schematic view of a slide base provided with an actuator that performs linear and rotational motion.
Fig. 6 is a cross-sectional view of a slide holder provided with an actuator that performs linear and rotational motion.
Fig. 7 is a schematic view showing linear and rotational motion.
FIG. 8 is another angular schematic view of linear, rotational motion.
FIG. 9 is a schematic view (except a part of the housing) of the linear and rotational motion.
Fig. 10 is a cross-sectional view showing linear and rotational movement.
Fig. 11 is a schematic view of gas flow with linear and rotational motion (rod retracted state).
Fig. 12 is a schematic view (except for the case) of linear and rotational motion.
Fig. 13 is a partially exploded view (except the housing) with linear, rotational motion.
Fig. 14 is an exploded view with linear and rotational motion.
Fig. 15 is a schematic view of gas flow with linear, rotational motion (rod extended state).
Detailed Description
The invention will be further described with reference to the following drawings and examples:
in an embodiment, as shown in fig. 1 to 15, an actuator having a linear and rotational motion includes a housing 1, and a voice coil motor 2, a rotating motor 3, a magnetic grid 4, a circuit board 10, a sliding seat 5, a rod 6, a seal ring 7, an air tube 300, a bearing 200, a coupling 400, a slider 100, a spring 9, and a flat cable 500 are built in the housing 1.
The inner cavity side wall of the machine shell 1 is provided with a vertical guide rail 11, the sliding seat 5 is provided with a mounting groove 51, the sliding block 100 is fixed on the mounting groove 51, the sliding block 100 is seated on the vertical guide rail 11, and the sliding seat 5 slides along the length direction of the vertical guide rail 11.
The sliding seat 5 is provided with a sliding channel 52 and a first air passage 53, the bearing 200 is arranged in the sliding seat 5, the opening of the bearing 200 is communicated with the sliding channel 52, the first air passage 53 is provided with a first air port 531 and a second air port 532, the first air port 531 is exposed out of the sliding seat 5, the second air port 532 is communicated with the sliding channel 52, the sealing rings 7 are respectively arranged at the port parts of the sliding channel 52, the rod body 6 is provided with a second air passage 61, the second air passage 61 is provided with a third air port 611 and a fourth air port 612, the rod body 6 penetrates through the sealing rings 7 and the bearing 200 to stretch into the sliding channel 52, the sealing rings 7 and the bearing 200 are sleeved on the rod body 6, the rod body 6 can slide along the length direction of the sliding channel 52, meanwhile, an air cavity 8 is formed between the sealing rings 7, the rod body 6 and the sliding channel 52, and when the rod body 6 goes up and down and rotates, the third air port 611 of the rod body 6 is always located in the air cavity 8.
The casing 1 is provided with an air hole 12 for connecting an external air source, one end of the air pipe 300 is communicated with the air hole 12, and the other end of the air pipe 300 is communicated with the first air port 531.
The lower extreme that casing 1 corresponds the body of rod 6 opens there is expansion mouth 13, rotating electrical machines 3 are servo motor, rotating electrical machines 3 set up on sliding seat 5, the pivot of rotating electrical machines 3 is connected to shaft coupling 400 one end, and the body of rod 6 is connected to the shaft coupling 400 other end, and rotating electrical machines 3 drives the body of rod 6 through shaft coupling 400 and rotates, the bottom of casing 1 corresponds slider 100 position and is provided with crashproof glue 15.
One end of the spring 9 is connected with the machine shell 1, the other end of the spring 9 is connected with the sliding seat 5, and the spring 9 forms a reset mechanism of the sliding seat 5.
The voice coil motor 2 is arranged in the machine shell 1, and a sliding part 21 of the voice coil motor 2 is connected with the sliding seat 5.
The magnetic grid 4 comprises a magnetic head 41 and a magnetic scale 42, the magnetic scale 42 is arranged on the sliding seat 5, 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 voice coil motor 2, the rotating motor 3, the magnetic grid 4 and the communication port 14 are electrically connected with the circuit board 10 respectively.
The flat cable 500 is arranged in the casing 1, one end of the flat cable 500 is connected with the circuit board 10, 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 10.
The communication port 14 of the actuator having linear and rotational motions is connected to a host controller, and the host controller controls the operation of the voice coil motor 2 and the rotating motor 3 via the circuit board 10 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 22 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, the sliding part 21 drives a rod body 6 to perform high-frequency linear motion along a vertical guide rail 11 through a sliding seat 5, and the rod body 6 is rapidly lifted, so that 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 5, when the body of rod 6 need stretch out the casing 1 outside, the pulling force of spring 9 need be overcome to voice coil motor 2, thereby force sliding seat 5 to move down, when the body of rod 6 needs to retract in the casing 1, voice coil motor 2 and spring 9's combined action drives the body of rod 6 and retracts in the casing 1 fast, realize the quick flexible function of the body of rod 6, and the pulling force of spring 9 maintains pulling sliding seat 5 and moves up always, avoid sliding seat 5 to descend because of the action of gravity, lead to the body of rod 6 to descend, improve the precision that the body of rod 6 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 high stability when used in a working environment with more oil stains and dust, the magnetic scale 42 is arranged on the sliding seat 5, and when the sliding seat 5 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 10, so that the lifting position of the rod body 6 is known, the lifting position control precision of the rod body 6 is improved, and high precision and closed-loop control are completed.
During the rotation movement:
rotating electrical machines 3 drives the body of rod 6 through shaft coupling 400 and rotates, and sliding seat 5 embeds there is bearing 200 moreover, and bearing 200 cover is put on the body of rod 6, improves the rotatory effect of the body of rod 6, avoids the skew of the body of rod 6, realizes the 6 rotatory functions of the body of rod.
When supplying and exhausting gas:
when air is supplied, the external air enters the second air passage 61 along the air hole 12, the air pipe 300, the first air passage 53 and the air chamber 8, and finally is exhausted to the fourth air hole 612, so that the fourth air hole 612 generates releasing force.
When exhausting, the gas is exhausted along the fourth gas port 612, the second gas passage 61, the gas chamber 8, the first gas passage 53 and the gas pipe 300, and finally to the gas hole 12, thereby generating the adsorption force at the fourth gas port 612.
When the rod body 6 is lifted and rotated, the third air port 611 is always located in the air chamber 8, so that the air chamber 8 can be always communicated with the second air channel 61, and the fourth air port 612 of the rod body 6 (i.e., the lower port of the rod body 6) can intake or exhaust air, thereby generating releasing force or adsorption force.
The rod body 6 has the effect of ventilating while rotating and ventilating while lifting.
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 air flue structure of actuator, includes sliding seat, the body of rod and sealing washer, its characterized in that: the sliding seat is provided with a sliding channel and a first air channel, the first air channel is provided with a first air port and a second air port, the first air port is exposed out of the sliding seat, the second air port is communicated with the sliding channel, and the sealing rings are respectively arranged at the ports of the sliding channel;
the rod body is provided with a second air passage, the second air passage is provided with a third air port and a fourth air port, the rod body penetrates through the sealing ring and extends into the sliding channel, the rod body can slide along the length direction of the sliding channel, meanwhile, an air cavity is formed by the sealing ring, the rod body and the sliding channel in a surrounding mode, and when the rod body is lifted and rotated, the third air port of the rod body is always located in the air cavity.
2. An air passage structure of an actuator according to claim 1, wherein: the sliding seat is characterized by further comprising a bearing, the bearing is arranged on 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.
3. The air passage structure of the actuator according to claim 1, wherein: still include the trachea, the trachea intercommunication first gas port, the sealing washer is rotatory sealing washer.
4. An actuator with linear and rotary motion using the air passage structure of the actuator according to any one of claims 1 to 3, characterized in that: the voice coil motor, the rotating motor, the magnetic grid and the circuit board are arranged in the machine shell, the rotating motor is arranged on the sliding seat, 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.
5. The actuator with linear and rotary motion of claim 4, wherein: the rotating shaft of the rotating motor is connected to one end of the coupler, the other end of the coupler is connected with the rod body, and the rotating motor drives the rod body to rotate through the coupler.
6. The actuator with linear and rotary motion of claim 4, wherein: the spring is characterized by further comprising a spring, wherein one end of the spring is connected with the machine shell, the other end of the spring is connected with the sliding seat, and the spring forms a resetting mechanism of the sliding seat.
7. The actuator with linear and rotary motion of claim 4, 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 of claim 4, 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 of claim 8, wherein: and the bottom of the machine shell is provided with anti-collision glue corresponding to the position of the sliding block.
10. The actuator with linear and rotary motion of claim 4, wherein: the shell is provided with a communication port for connecting a superior controller and an air hole for connecting an external air source, the communication port is electrically connected with the circuit board, and the air hole is communicated with the first air port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221638075.9U CN217643029U (en) | 2022-06-27 | 2022-06-27 | Air passage structure of actuator and actuator with linear and rotary motion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221638075.9U CN217643029U (en) | 2022-06-27 | 2022-06-27 | Air passage structure of actuator and actuator with linear and rotary motion |
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| CN217643029U true CN217643029U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221638075.9U Active CN217643029U (en) | 2022-06-27 | 2022-06-27 | Air passage structure of actuator and actuator with linear and rotary motion |
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| CN (1) | CN217643029U (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 |
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2022
- 2022-06-27 CN CN202221638075.9U patent/CN217643029U/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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Denomination of utility model: The airway structure of the actuator and the actuator with linear and rotational motion Effective date of registration: 20230512 Granted publication date: 20221021 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: Foshan Zengguang Intelligent Technology Co.,Ltd. Registration number: Y2023980040400 |