CN215186520U - Novel permanent magnet synchronous motor driving type feeding device - Google Patents

Novel permanent magnet synchronous motor driving type feeding device Download PDF

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Publication number
CN215186520U
CN215186520U CN202121265881.1U CN202121265881U CN215186520U CN 215186520 U CN215186520 U CN 215186520U CN 202121265881 U CN202121265881 U CN 202121265881U CN 215186520 U CN215186520 U CN 215186520U
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CN
China
Prior art keywords
feeding device
permanent magnet
synchronous motor
magnet synchronous
assembly
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CN202121265881.1U
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Chinese (zh)
Inventor
曹良
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Zhejiang Jingke Power Technology Co ltd
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Zhejiang Jingke Power Technology Co ltd
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Abstract

The utility model discloses a novel PMSM drive formula feeding device, its technical scheme main points are including electric drive subassembly, drive assembly and execute component, the output and the drive assembly of electric drive subassembly are connected, drive assembly's output and execute component are connected, the utility model has the advantages of energy conversion efficiency is high, control accuracy is high, equipment is small.

Description

Novel permanent magnet synchronous motor driving type feeding device
Technical Field
The utility model relates to a linear motion mechanism field, in particular to novel PMSM drive formula feeding device.
Background
The feeding device is a common executing element for engineering machinery and comprises a hydraulic motor and an oil cylinder, wherein the hydraulic motor converts external energy into mechanical energy, and power is transmitted to a specified part through the oil cylinder.
However, the prior feeding device has the following problems:
1. the hydraulic motor and the oil cylinder are uniformly in hydraulic transmission, the energy loss is large in the transmission process, and the energy conversion efficiency is low.
2. The hydraulic motor and the oil cylinder need related matched devices such as a liquid path and the like, the equipment is large in size, large in occupied plant space and greatly limited in installation and use.
3. The hydraulic motor and the oil cylinder both need certain pressure to push the piston, and when the executing element needs fine adjustment, the pressure is reduced, the situation that the piston cannot be pushed easily occurs, and the control precision is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the shortcoming of above-mentioned prior art, the utility model aims at providing a novel PMSM drive formula feeding device has energy conversion efficiency height, control accuracy height, the small advantage of equipment volume.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a novel PMSM drive formula feeding device, includes electric drive subassembly, drive assembly and execute subassembly, the output and the drive assembly of electric drive subassembly are connected, drive assembly's output and execute subassembly are connected.
Furthermore, the electric drive assembly comprises a permanent magnet synchronous motor, and the output end of the permanent magnet synchronous motor is provided with a speed reducer and is connected with the transmission assembly through the speed reducer.
Further, the transmission assembly comprises a rolling screw rod, a sleeve is arranged on the execution assembly, one end of the rolling screw rod is fixed with the end of the rotating shaft of the speed reducer, and the rolling screw rod is in threaded fit with an inner hole of the sleeve.
Furthermore, the end of the rolling screw rod is provided with a connector.
Further, the outside of connector is provided with first crown plate, the tip of speed reducer sets up first flange ring, first crown plate and first flange ring pass through the bolt and can dismantle the connection.
Further, the outside of connector is provided with the second crown plate, the second crown plate passes through the bolt and can dismantle and be connected with the support, the tip that the second crown plate was kept away from to the support is opened there is the round hole, the sleeve is arranged in the round hole.
Further, a bearing is arranged in the connector, the rolling screw rod is inserted in an inner hole of the bearing, and the rolling screw rod and the bearing are rotatably connected.
Further, be provided with the step on the inner wall of connector, the step is the annular, the tip of bearing is provided with second flange ring, second flange ring passes through the bolt with the step and can dismantle the connection.
Furthermore, the permanent magnet synchronous motor is connected with a control assembly.
Furthermore, the control assembly comprises a rectifying unit and an inversion unit, the rectifying unit is connected with the inversion unit in series, the input end of the rectifying unit is connected with an external power supply, and the output end of the inversion unit is connected with the permanent magnet synchronous motor.
To sum up, the utility model discloses following beneficial effect has:
1. the permanent magnet synchronous motor is used as a driving element, the rolling screw rod is used as a power transmission structure, in the process of transmitting energy, the loss energy is less, the energy conversion efficiency is high, and compared with the traditional hydraulic transmission, the energy transmission device has the advantages of lower noise generation and contribution to improving the working environment.
2. The equipment does not need to use a hydraulic pipeline and the like, so that the volume of the equipment is greatly reduced, the occupied area of the equipment in a factory building is further reduced, the requirement of the equipment on corresponding installation space is greatly reduced, and the cost of the matched equipment is not required to be reduced.
3. The rotating speed of the permanent magnet synchronous motor can be adjusted in time according to work requirements, the function of adjusting the moving speed of the ball screw is achieved, the reaction time is shorter compared with the traditional hydraulic pressure, and the adjustment is quicker and more accurate.
4. The output current is changed through the rectifying unit and the inversion unit in the control assembly, so that the rotating speed of the permanent magnet synchronous motor is adjusted, and remote intelligent control can be realized.
5. The equipment operation relies on the electric energy, and the electric energy is used as a clean energy, and the equipment which is used for operating and rotating does not produce pollution emissions and pollute the environment, thereby being beneficial to green sustainable production and environmental protection.
Drawings
FIG. 1 is a schematic structural diagram of a novel permanent magnet synchronous motor driven feeding device;
fig. 2 is a schematic structural diagram of the control assembly.
In the figure, 1, an electric drive assembly; 11. a permanent magnet synchronous motor; 12. a speed reducer; 121. a first flange ring; 2. a transmission assembly; 21. a rolling screw rod; 22. a connector; 221. a first ring plate; 222. a step; 223. a second ring plate; 23. a bearing; 231. a second flange ring; 24. a support; 3. an execution component; 31. A sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.
Example (b): a novel permanent magnet synchronous motor 11 driving type feeding device is shown in a combined drawing 1 and comprises an electric driving assembly 1, a transmission assembly 2 and an execution assembly 3, wherein the output end of the electric driving assembly 1 is connected with the transmission assembly 2, and the output end of the transmission assembly 2 is connected with the execution assembly 3. The electric driving component 1 converts the electric energy and outputs the electric energy to the transmission component 2,
further, as shown in fig. 1 and 2, the electric drive assembly 1 includes a permanent magnet synchronous motor 11, and the permanent magnet synchronous motor 11 is connected with a control assembly.
Further, as shown in fig. 2, the control component includes a rectifying unit and an inverting unit, the rectifying unit and the inverting unit are connected in series, and a DP bus is further connected between the rectifying unit and the inverting unit. The input end of the rectification unit is connected with an external power supply, the rectification unit is connected with the PLC control module, and the rectification unit is connected with the keyboard and the display. The output end of the inversion unit is connected with the permanent magnet synchronous motor 11. The industrial alternating current is converted into direct current through the rectifying unit, and then the output current is adjusted through the inverting unit, so that the rotating speed of the permanent magnet synchronous motor 11 is controlled.
Further, as shown in fig. 1, an output end of the permanent magnet synchronous motor 11 is provided with a speed reducer 12, and the speed reducer 12 is coaxially arranged with the permanent magnet synchronous motor 11 and is connected with the transmission assembly 2 through the speed reducer 12.
Further, as shown in fig. 1, the transmission assembly 2 includes a rolling screw 21, the rolling screw 21 is fixedly connected with the output shaft of the speed reducer 12, and the two synchronously rotate. The end of the ball screw 21 is provided with a connector 22, and the two are rotatably connected. The outside of connector 22 is provided with first crown plate 221, and the tip of speed reducer 12 sets up first flange ring 121, and first crown plate 221 and first flange ring 121 pass through the bolt and can dismantle the connection, provide the wholeness of connecting between the subassembly, when breaking down, also conveniently dismantle the maintenance simultaneously.
Further, as shown in fig. 1, a bearing 23 is disposed in the connecting head 22, the ball screw 21 is inserted into an inner hole of the bearing 23, and the two are rotatably connected, and the bearing 23 is used to reduce the friction resistance received when the ball screw 21 rotates.
Further, as shown in fig. 1, a step 222 is provided on an inner wall of the connecting head 22, the step 222 is annular, a second flange ring 231 is provided at an end of the bearing 23, the second flange ring 231 abuts against the step 222, and the second flange ring 231 is detachably connected to the step 222 through a bolt. The mounting position of the bearing 23 can be accurately determined by the second flange ring 231 in cooperation with the step 222.
Further, as shown in fig. 1, a second annular plate 223 is disposed on an outer side of the connecting head 22, the second annular plate 223 is detachably connected to the bracket 24 through a bolt, and a circular hole is formed in an end portion of the bracket 24 far away from the second annular plate 223. The bracket 24 is covered on the main body of the ball screw 21 and plays a role in supporting and protecting.
Further, as shown in fig. 1, a sleeve 31 is provided on the actuator assembly 3, the ball screw 21 is inserted into an inner hole of the sleeve 31, and the two are in threaded fit, so that the ball screw 21 rotates to drive the actuator assembly 3 to move through the sleeve 31. The sleeve 31 is inserted in a circular hole of the bracket 24, and the bracket 24 also supports and protects the sleeve 31.
The specific implementation process comprises the following steps: industrial alternating current is input into the rectifying unit, the alternating current is converted into direct current, then the inverting unit controls the output current, the permanent magnet synchronous motor 11 receives the current output by the inverting unit, the permanent magnet synchronous motor 11 drives the rotating shaft of the speed reducer 12 to rotate, and the output end of the speed reducer 12 drives the gear ball screw to rotate, so that various actions required by the executing assembly 3 are realized.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a novel PMSM drive formula feeding device which characterized in that: the electric driving device comprises an electric driving assembly, a transmission assembly and an execution assembly, wherein the output end of the electric driving assembly is connected with the transmission assembly, and the output end of the transmission assembly is connected with the execution assembly.
2. The feeding device of claim 1, wherein: the electric drive assembly comprises a permanent magnet synchronous motor, and the output end of the permanent magnet synchronous motor is provided with a speed reducer and is connected with the transmission assembly through the speed reducer.
3. The novel permanent magnet synchronous motor driving type feeding device according to claim 2, characterized in that: the transmission assembly comprises a rolling screw rod, a sleeve is arranged on the execution assembly, one end of the rolling screw rod is fixed with the end part of a rotating shaft of the speed reducer, and the rolling screw rod is in threaded fit with an inner hole of the sleeve.
4. The feeding device of claim 3, wherein: and the end part of the rolling screw rod is provided with a connector.
5. The feeding device of claim 4, wherein: the outside of connector is provided with first crown plate, the tip of speed reducer sets up first flange ring, first crown plate and first flange ring pass through the bolt and can dismantle the connection.
6. The feeding device of claim 4, wherein: the outside of connector is provided with the second crown plate, the second crown plate passes through the bolt and can dismantle the connection with the support, the tip that the second crown plate was kept away from to the support is opened there is the round hole, the sleeve is arranged in the round hole.
7. The feeding device of claim 4, wherein: the rolling screw rod is inserted in an inner hole of the bearing and is rotatably connected with the bearing.
8. The feeding device of claim 7, wherein: the inner wall of the connector is provided with a step, the step is annular, the end part of the bearing is provided with a second flange ring, and the second flange ring and the step are detachably connected through bolts.
9. The novel permanent magnet synchronous motor driving type feeding device according to claim 2, characterized in that: the permanent magnet synchronous motor is connected with a control assembly.
10. The feeding device of claim 9, wherein: the control assembly comprises a rectifying unit and an inversion unit, the rectifying unit and the inversion unit are connected in series, the input end of the rectifying unit is connected with an external power supply, the rectifying unit is connected with a PLC control module, and the output end of the inversion unit is connected with the permanent magnet synchronous motor.
CN202121265881.1U 2021-06-07 2021-06-07 Novel permanent magnet synchronous motor driving type feeding device Active CN215186520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121265881.1U CN215186520U (en) 2021-06-07 2021-06-07 Novel permanent magnet synchronous motor driving type feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121265881.1U CN215186520U (en) 2021-06-07 2021-06-07 Novel permanent magnet synchronous motor driving type feeding device

Publications (1)

Publication Number Publication Date
CN215186520U true CN215186520U (en) 2021-12-14

Family

ID=79391187

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121265881.1U Active CN215186520U (en) 2021-06-07 2021-06-07 Novel permanent magnet synchronous motor driving type feeding device

Country Status (1)

Country Link
CN (1) CN215186520U (en)

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