CN219086936U - Knapsack type integrated electric cylinder - Google Patents
Knapsack type integrated electric cylinder Download PDFInfo
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- CN219086936U CN219086936U CN202223228780.4U CN202223228780U CN219086936U CN 219086936 U CN219086936 U CN 219086936U CN 202223228780 U CN202223228780 U CN 202223228780U CN 219086936 U CN219086936 U CN 219086936U
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- cylinder barrel
- electric cylinder
- screw rod
- cylinder
- integrated electric
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Abstract
A knapsack type integrated electric cylinder, which comprises a driving device, a transmission device (8), a guiding device (4) and a supporting device (6); wherein the driving device comprises a servo motor (2); the transmission device comprises a cylinder barrel (9), a screw rod assembly (10), a coupler (11), a push rod (3) and a lock nut; the supporting device comprises a first bearing (5), a second bearing (15) and a supporting seat; the servo motor is connected with the transmission device; the transmission device is connected with the supporting device; the servo motor arranged in the cylinder barrel drives the cylinder barrel to rotate, the screw rod assembly is driven to rotate through the rotation of the cylinder barrel, and the push rod is driven to do reciprocating linear motion along the axial direction of the cylinder barrel through the rotation of the screw rod assembly.
Description
Technical Field
The utility model belongs to the technical field of mechanical transmission equipment, and particularly relates to a knapsack type integrated electric cylinder.
Background
The traditional hydraulic cylinder is converted into mechanical energy by means of pressure energy provided by an oil pump, so that the hydraulic cylinder is driven to do linear reciprocating motion; the cylinder drives the piston connecting rod to do linear reciprocating motion by means of compressed air provided by the compressor; the working principle of the electric cylinder is different from the two linear actuating mechanisms, and the working principle of the electric cylinder is to use various types of motors as power sources, such as an alternating current servo motor, a stepping motor and a direct current brushless motor; the motor rotor drives the screw rod or the screw nut to rotate, the screw motion among the components is converted into the linear motion of the screw nut or the screw rod, and then the screw nut or the screw rod drives the cylinder barrel or the load to do linear reciprocating motion.
The patent number CN201910141234.0 discloses a linear planetary roller screw type servo electric cylinder, which comprises a driving device, a transmission device and an executing device;
the driving device comprises a driving motor and a braking device, and the driving motor is a conical permanent magnet synchronous motor;
the execution device comprises a cylinder body, a planetary roller screw pair and a push rod; the planetary roller screw pair and the push rod are arranged in the cylinder body, the planetary roller screw pair comprises a screw nut and a screw, and the push rod is fixedly connected with the screw nut;
the driving motor drives the screw rod to rotate through the planetary gear reducer, and the screw rod drives the screw rod nut to do linear reciprocating motion after rotating, so that the push rod is driven to do linear reciprocating motion, and the braking device is used for braking the driving motor.
Further, the above-mentioned transmission includes a planetary gear reducer and a housing, the planetary gear reducer being disposed in the housing.
Further, the conical permanent magnet synchronous motor comprises a motor rear end cover, a first support sleeve, a second support sleeve, a motor shell, a stator, a rotor, a motor main shaft and a motor front end cover; the stator is fixed in the motor shell, the first support sleeve and the second support sleeve are respectively and fixedly connected with the motor rear end cover and the motor front end cover, the first support ring and the second support ring are respectively sleeved in the first support sleeve and the second support sleeve, the motor main shaft is fixed on the first support ring and the second support ring through bearings, the rotor is arranged on the motor main shaft, and the rotor is internally provided with a permanent magnet; the braking device comprises a lock nut, a braking wheel friction ring, a motor rear end cover friction ring and a spring, wherein the braking wheel is fixed at one end of a motor main shaft through the lock nut, the braking wheel friction ring and the motor rear end cover friction ring are respectively fixed on the braking wheel and the motor rear end cover, and the spring is arranged between the first support ring and a shaft shoulder of the motor main shaft.
Further, the planetary gear reducer comprises a planet carrier, a planetary gear reducer output shaft, a sun gear, a gear ring and a planet gear; the gear ring is fixed in the shell, the planet wheel is fixed on the planet carrier through a planet wheel shaft, the output end of the motor main shaft is connected with the sun wheel, and the output end of the planet gear reducer is connected with the lead screw.
Further, the output shaft of the planetary gear reducer is connected with a screw rod through a coupler.
Further, the output end of the motor spindle is connected with the sun gear through a key.
Further, the cylinder body is welded with the shell.
The inventor finds that the technical scheme is that the driving motor is braked by the brake device, and the defects of unstable transmission, inaccuracy and unreliability exist.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a novel integrated electric cylinder, so that the transmission is stable, accurate and reliable.
The technical scheme of the utility model is as follows: a knapsack type integrated electric cylinder, which comprises a driving device, a transmission device (8), a guiding device (4) and a supporting device (6); wherein the driving device comprises a servo motor (2);
the transmission device comprises a cylinder barrel (9), a screw rod assembly (10), a coupler (11), a push rod (3) and a lock nut; the supporting device comprises a first bearing (5), a second bearing (15) and a supporting seat; the servo motor is connected with the transmission device; the transmission device is connected with the supporting device;
the servo motor arranged in the cylinder barrel drives the cylinder barrel to rotate, the screw rod assembly is driven to rotate through the rotation of the cylinder barrel, and the push rod is driven to do reciprocating linear motion along the axial direction of the cylinder barrel through the rotation of the screw rod assembly.
Further, the drive device also comprises an integrated servo driver (1) comprising electronic components and a communication interface. The integrated servo driver is adopted to control braking, so that the electric cylinder is small in size and light in weight, and space is saved.
Further, the screw assembly includes a planetary roller screw. The planetary roller screw rod transmission mode is different, so that the rotary motion of the servo motor can be converted into linear motion. And the planetary roller screw rod is adopted, so that the torque of the electric cylinder is increased, a large load is born, and the transmission is stable and reliable.
Further, the driving device further comprises an encoder (12). The speed and the travel of the straight movement can be accurately controlled, so that the transmission is stable, accurate and reliable.
Further, the device also comprises a shell (7), and the shell is connected with the cylinder barrel in a welding way.
The utility model has the beneficial effects that: first, adopt integrated servo driver control braking, make electric cylinder small, light in weight, save space. Secondly, because the planetary roller screw transmission mode is distinctive, the rotary motion of the servo motor can be converted into linear motion. And the planetary roller screw rod is adopted, so that the torque of the electric cylinder is increased, a large load is born, and the transmission is stable and reliable. And thirdly, the encoder (12) is adopted, so that the speed and the stroke of the straight movement can be accurately controlled, and the transmission is stable, accurate and reliable.
Drawings
Fig. 1 is a perspective view of a backpack-type integrated electric cylinder according to an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of a backpack-type integrated electric cylinder according to an embodiment of the present utility model.
Wherein 1 is an integrated servo driver, 2 is a servo motor, 3 is a push rod, 4 is a guiding device, 5 is a first bearing, 6 is a supporting device, 7 is a casing, 8 is a transmission device, 9 is a cylinder barrel, 10 is a screw rod assembly, 11 is a coupler, and 12 is an encoder; 15 is a second bearing.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and examples.
As shown in the embodiment of fig. 1 and 2, a backpack type integrated electric cylinder comprises a driving device, a transmission device (8), a guiding device (4) and a supporting device (6); wherein the driving device comprises a servo motor (2);
the transmission device comprises a cylinder barrel (9), a screw rod assembly (10), a coupler (11), a push rod (3) and a lock nut; the supporting device comprises a first bearing (5), a second bearing (15) and a supporting seat; the servo motor is connected with the transmission device; the transmission device is connected with the supporting device;
the servo motor arranged in the cylinder barrel drives the cylinder barrel to rotate, the screw rod assembly is driven to rotate through the rotation of the cylinder barrel, and the push rod is driven to do reciprocating linear motion along the axial direction of the cylinder barrel through the rotation of the screw rod assembly.
The drive device further comprises an integrated servo driver (1) comprising electronic components and a communication interface. The integrated servo driver is adopted to control braking, so that the electric cylinder is small in size and light in weight, and space is saved.
The screw assembly includes a planetary roller screw. The planetary roller screw rod transmission mode is different, so that the rotary motion of the servo motor can be converted into linear motion. And the planetary roller screw rod is adopted, so that the torque of the electric cylinder is increased, a large load is born, and the transmission is stable and reliable.
The drive device further comprises an encoder (12). The speed and the travel of the straight movement can be accurately controlled, so that the transmission is stable, accurate and reliable.
The cylinder barrel also comprises a shell (7), and the shell is connected with the cylinder barrel in a welding way.
The above embodiments are preferred embodiments of the present utility model, and the present utility model is not limited to the above embodiments, but any obvious modifications made by those skilled in the art without departing from the technical principles of the present utility model are included in the spirit of the present utility model and the scope of the appended claims.
Claims (5)
1. The knapsack type integrated electric cylinder is characterized by comprising a driving device, a transmission device (8), a guiding device (4) and a supporting device (6); wherein the driving device comprises a servo motor (2);
the transmission device comprises a cylinder barrel (9), a screw rod assembly (10), a coupler (11), a push rod (3) and a lock nut; the supporting device comprises a first bearing (5), a second bearing (15) and a supporting seat; the servo motor is connected with the transmission device; the transmission device is connected with the supporting device;
the servo motor arranged in the cylinder barrel drives the cylinder barrel to rotate, the screw rod assembly is driven to rotate through the rotation of the cylinder barrel, and the push rod is driven to do reciprocating linear motion along the axial direction of the cylinder barrel through the rotation of the screw rod assembly.
2. The backpack integrated electric cylinder as claimed in claim 1, wherein: the drive device further comprises an integrated servo driver (1) comprising electronic components and a communication interface.
3. The backpack integrated electric cylinder as claimed in claim 1, wherein: the screw assembly includes a planetary roller screw.
4. The backpack integrated electric cylinder as claimed in claim 1, wherein: the drive device further comprises an encoder (12).
5. The backpack integrated electric cylinder as claimed in claim 1, wherein: the cylinder barrel also comprises a shell (7), and the shell is connected with the cylinder barrel in a welding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223228780.4U CN219086936U (en) | 2022-12-03 | 2022-12-03 | Knapsack type integrated electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223228780.4U CN219086936U (en) | 2022-12-03 | 2022-12-03 | Knapsack type integrated electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219086936U true CN219086936U (en) | 2023-05-26 |
Family
ID=86406046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223228780.4U Active CN219086936U (en) | 2022-12-03 | 2022-12-03 | Knapsack type integrated electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219086936U (en) |
-
2022
- 2022-12-03 CN CN202223228780.4U patent/CN219086936U/en active Active
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