CN216622614U - Servo motor rotation accuracy testing arrangement - Google Patents
Servo motor rotation accuracy testing arrangement Download PDFInfo
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- CN216622614U CN216622614U CN202122486008.1U CN202122486008U CN216622614U CN 216622614 U CN216622614 U CN 216622614U CN 202122486008 U CN202122486008 U CN 202122486008U CN 216622614 U CN216622614 U CN 216622614U
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- servo motor
- footing
- mounting panel
- horizontal
- angle encoder
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Abstract
The servo motor rotation precision testing device comprises a support, a connector, an angle encoder, a data acquisition and analysis unit and a servo unit for controlling the rotation of a servo motor; the encoder is electrically connected with the data acquisition and analysis unit, the support comprises an installation plate, a vertical footing and a horizontal footing, a through hole for installing the angle encoder and the servo motor is formed in the installation plate, the through hole penetrates from one end of the installation plate to the other end of the installation plate, the angle encoder is fixed at one end of the installation plate, and the angle encoder is connected with the servo motor through a connector; the support has vertical state and horizontal state, and under vertical state, the mounting panel level was placed, and vertical footing is located the below of mounting panel and supports the mounting panel, and under horizontal state, the mounting panel was placed vertically, and horizontal footing is located the below of mounting panel and supports the mounting panel. The utility model can quickly detect the rotation precision of a servo motor, and belongs to the technical field of motor testing.
Description
Technical Field
The utility model relates to the technical field of motor measurement, in particular to a servo motor rotation precision testing device.
Background
The servo motor can ensure that the control speed and the position precision are very accurate, and can convert the voltage signal into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly react, and the servo motor is used as an execution element in a control system and converts a received electric signal into an angular displacement or an angular speed on a motor shaft for outputting; the servo motor is widely applied to equipment with relatively high precision requirements and working reliability requirements such as precision machine tool equipment and industrial robots, and the quality and precision of the servo motor are the basis for ensuring the precision of the precision equipment. Therefore, the self-rotation precision of the servo motor can be quickly detected, and the influence of the precision of a built-in encoder of the servo motor and the precision of mechanical assembly on the precision of the whole servo motor can be quickly verified and eliminated, so that the production quality of the servo motor is ensured, and the method has important significance in actual production and application. However, a device which can conveniently detect the rotation precision of the servo motor does not exist at present.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model aims to: provided is a servo motor rotation accuracy testing device capable of conveniently detecting the rotation accuracy of a servo motor.
In order to achieve the purpose, the utility model adopts the following technical scheme: the servo motor rotation precision testing device comprises a support, a connector, an angle encoder, a data acquisition and analysis unit and a servo unit for controlling the rotation of a servo motor; the angle encoder is electrically connected with the data acquisition and analysis unit, the support comprises an installation plate, a vertical footing and a horizontal footing, a through hole for installing the angle encoder and the servo motor is formed in the installation plate, the through hole penetrates from one end of the installation plate to the other end of the installation plate, the angle encoder is fixed at one end of the installation plate, and the encoder is connected with the servo motor through a connector; the support has vertical state and horizontal state, and under vertical state, the mounting panel level was placed, and vertical footing is located the below of mounting panel and supports the mounting panel, and under horizontal state, the mounting panel was placed vertically, and horizontal footing is located the below of mounting panel and supports the mounting panel. After adopting this kind of structure, angle encoder and servo motor simple to operate, and the support has different states, is adaptable to different test scenes.
Preferably, the connector comprises a connecting seat and a locking mechanism, the angle encoder comprises a hollow rotating shaft, the connecting seat is connected with the hollow shaft of the angle encoder through a screw, and the rotating shaft of the servo motor is locked and fixed on the connecting seat through the locking mechanism. After the structure is adopted, the rotating shaft of the servo motor drives the hollow shaft of the angle encoder to synchronously rotate.
Preferably, the locking mechanism is an expansion sleeve, and a rotating shaft of the servo motor is embedded into the expansion sleeve and locked by the expansion sleeve. After the structure is adopted, the inner hole of the expansion sleeve can be deformed by tightening the screw, so that the rotating shaft of the motor is tightly held, the disassembly and the assembly are convenient, and the connection is stable.
Preferably, the shape of the opening at one end of the through hole is matched with the spigot of the angle encoder, and the shape of the opening at the other end of the through hole is matched with the spigot of the servo motor. After the structure is adopted, the tested servo motor and the angle encoder are positioned through respective rabbets, and the installation is convenient.
Preferably, the resolution of the angle encoder is 8 times or more the resolution of the built-in encoder of the servo motor to be measured.
Preferably, the servo unit comprises a numerical control system and a servo driver. After the structure is adopted, when the servo unit drives the tested servo motor to rotate through the servo driver, the data acquisition and analysis unit synchronously acquires the position signal of the angle encoder, the position signal is analyzed and compared with the target position of the rotating motion instruction, and finally a rotating precision error curve of the servo motor of the test sample is output.
Preferably, the mounting plate is a rectangular plate, the vertical bottom feet and the horizontal bottom feet are both in a straight rod shape, the vertical bottom feet are perpendicular to the mounting plate and are fixed at one end of the mounting plate, and the number of the vertical bottom feet is two; horizontal footing perpendicular to mounting panel, horizontal footing are fixed in one side of mounting panel, and the quantity of horizontal footing is two, and the one end of horizontal footing is the parallel and level with the one end of vertical footing to under the vertical state, the support passes through the one end of horizontal footing and vertical footing support.
Preferably, the cross sections of the vertical footing and the horizontal footing are both rectangular.
Preferably, the locking mechanism and the rotating shaft of the servo motor are locked by hydraulic locking, slit shrinkage or key groove.
Preferably, the angle encoder is fixed to one end of the mounting plate by screws.
In general, the present invention has the following advantages: but angle encoder and measured servo motor quick assembly disassembly, the test is convenient, and the measuring accuracy is high.
Drawings
Fig. 1 is an exploded view of a servo motor rotation accuracy testing device after a tested servo motor is installed.
Fig. 2 is a sectional view of the servo motor rotation accuracy testing apparatus after the servo motor to be tested is mounted thereon.
Wherein, 1 is servo motor, 2 is horizontal footing, 3 is vertical footing, 4 is the mounting panel, 5 is angle encoder, 6 is the cover that expands, 7 is the connecting seat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Example one
The servo motor rotation precision testing device comprises a support, a connector, an angle encoder, a data acquisition and analysis unit and a servo unit for controlling the rotation of a servo motor; the angle encoder is electrically connected with the data acquisition and analysis unit, the support comprises an installation plate, a vertical footing and a horizontal footing, a through hole for installing the angle encoder and the servo motor is formed in the installation plate, the through hole penetrates from one end of the installation plate to the other end of the installation plate, the angle encoder is fixed at one end of the installation plate, and the encoder is connected with the servo motor through a connector; the support has vertical state and horizontal state, and under vertical state, the mounting panel level was placed, and vertical footing is located the below of mounting panel and supports the mounting panel, and under horizontal state, the mounting panel was placed vertically, and horizontal footing is located the below of mounting panel and supports the mounting panel.
The connector comprises a connecting seat and a locking mechanism, the angle encoder comprises a hollow rotating shaft, the connecting seat is connected with the hollow shaft of the angle encoder through a screw, and the rotating shaft of the servo motor is locked and fixed on the connecting seat through the locking mechanism.
The locking mechanism is an expansion sleeve, and a rotating shaft of the servo motor is embedded into the expansion sleeve and is locked by the expansion sleeve.
The shape of the opening at one end of the through hole is matched with the spigot of the angle encoder, and the shape of the opening at the other end of the through hole is matched with the spigot of the servo motor.
The resolution of the angle encoder is more than 8 times of the built-in encoder of the tested servo motor.
The servo unit includes a numerical control system and a servo driver.
The mounting plate is a rectangular plate, the vertical bottom feet and the horizontal bottom feet are both in a straight rod shape, the vertical bottom feet are perpendicular to the mounting plate and are fixed at one end of the mounting plate, and the number of the vertical bottom feet is two; horizontal footing perpendicular to mounting panel, horizontal footing are fixed in one side of mounting panel, and the quantity of horizontal footing is two, and the one end of horizontal footing is the parallel and level with the one end of vertical footing to under the vertical state, the support passes through the one end of horizontal footing and vertical footing support.
The sections of the vertical footing and the horizontal footing are both rectangular.
The angle encoder is fixed at one end of the mounting plate through a screw.
The procedure of the test using the above-described servo motor rotation accuracy test apparatus is as follows.
Firstly, mounting a tested servo motor on a servo motor rotation precision testing device, and locking and fixing;
secondly, connecting a power supply and a signal wire, and starting measurement;
thirdly, the servo unit sends a motion signal instruction to the servo motor, the servo motor rotates according to execution, and the data acquisition and analysis unit synchronously acquires a position signal of the angle encoder;
and fourthly, under the same clock, the data acquisition and analysis unit analyzes and compares the acquired position signal with the target position of the rotary motion instruction, and finally outputs a rotary precision error curve of the servo motor.
Example two
The locking mode between the locking mechanism and the rotating shaft of the servo motor adopts hydraulic locking fixation, slit contraction fixation or key groove fixation.
The embodiment is not described in the first embodiment.
The above embodiments are only examples of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (10)
1. Servo motor rotation accuracy testing arrangement, its characterized in that: the servo motor comprises a support, a connector, an angle encoder, a data acquisition and analysis unit and a servo unit for controlling the rotation of the servo motor;
the angle encoder is electrically connected with the data acquisition and analysis unit;
the support comprises an installation plate, a vertical footing and a horizontal footing, a through hole for installing an angle encoder and a servo motor is formed in the installation plate, the through hole penetrates from one end of the installation plate to the other end of the installation plate, the angle encoder is fixed at one end of the installation plate, and the encoder is connected with the servo motor through a connector;
the support has vertical state and horizontal state, and under vertical state, the mounting panel level was placed, and vertical footing is located the below of mounting panel and supports the mounting panel, and under horizontal state, the mounting panel was placed vertically, and horizontal footing is located the below of mounting panel and supports the mounting panel.
2. The servo motor rotation accuracy testing apparatus according to claim 1, wherein: the connector comprises a connecting seat and a locking mechanism, the angle encoder comprises a hollow rotating shaft, the connecting seat is connected with the hollow shaft of the angle encoder through a screw, and the rotating shaft of the servo motor is locked and fixed on the connecting seat through the locking mechanism.
3. The servo motor rotation accuracy testing apparatus according to claim 2, wherein: the locking mechanism is an expansion sleeve, and a rotating shaft of the servo motor is embedded into the expansion sleeve and is locked by the expansion sleeve.
4. The servo motor rotation accuracy testing apparatus according to claim 1, wherein: the shape of the opening at one end of the through hole is matched with the spigot of the angle encoder, and the shape of the opening at the other end of the through hole is matched with the spigot of the servo motor.
5. The servo motor rotation accuracy testing apparatus according to claim 1, wherein: the resolution of the angle encoder is more than 8 times of the built-in encoder of the tested servo motor.
6. The servo motor rotation accuracy testing apparatus according to claim 1, wherein: the servo unit includes a numerical control system and a servo driver.
7. The servo motor rotation accuracy testing apparatus according to claim 1, wherein: the mounting plate is a rectangular plate, the vertical bottom feet and the horizontal bottom feet are both in a straight rod shape, the vertical bottom feet are perpendicular to the mounting plate and are fixed at one end of the mounting plate, and the number of the vertical bottom feet is two;
horizontal footing perpendicular to mounting panel, horizontal footing are fixed in one side of mounting panel, and the quantity of horizontal footing is two, and the one end of horizontal footing is the parallel and level with the one end of vertical footing to under the vertical state, the support passes through the one end of horizontal footing and vertical footing support.
8. The servo motor rotation accuracy testing apparatus according to claim 7, wherein: the cross sections of the vertical bottom feet and the horizontal bottom feet are both rectangular.
9. The servo motor rotation accuracy testing apparatus according to claim 2, wherein: the locking mode between the locking mechanism and the rotating shaft of the servo motor adopts hydraulic locking fixation, slit contraction fixation or key groove fixation.
10. The servo motor rotation accuracy testing apparatus according to claim 1, wherein: the angle encoder is fixed at one end of the mounting plate through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122486008.1U CN216622614U (en) | 2021-10-15 | 2021-10-15 | Servo motor rotation accuracy testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122486008.1U CN216622614U (en) | 2021-10-15 | 2021-10-15 | Servo motor rotation accuracy testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216622614U true CN216622614U (en) | 2022-05-27 |
Family
ID=81693303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122486008.1U Active CN216622614U (en) | 2021-10-15 | 2021-10-15 | Servo motor rotation accuracy testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216622614U (en) |
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2021
- 2021-10-15 CN CN202122486008.1U patent/CN216622614U/en active Active
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