CN215296522U - Detection mechanism for output torque of stepping motor - Google Patents
Detection mechanism for output torque of stepping motor Download PDFInfo
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- CN215296522U CN215296522U CN202120660541.2U CN202120660541U CN215296522U CN 215296522 U CN215296522 U CN 215296522U CN 202120660541 U CN202120660541 U CN 202120660541U CN 215296522 U CN215296522 U CN 215296522U
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- output torque
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Abstract
The utility model provides a detection mechanism for the output torque of a stepping motor, which comprises a fixed seat, weights, a torque disc, a sensor for detecting the positions of the weights and a connector connected with the output shaft of the stepping motor; the connector is arranged on the fixed seat in a penetrating mode and comprises a connecting shaft, and the connecting shaft is connected with an output shaft of the stepping motor; the moment disc is arranged on the connector and is connected with the weight through a winding wire; the sensor is arranged on the fixed seat and is opposite to the weight; when the device works, the electrified stepping motor drives the torque disc to rotate, and the torque output by the electrified stepping motor is detected through the weights and the sensor. The utility model discloses step motor output torque's detection mechanism can be fast, effectively detect step motor output torque, the artifical intensity of labour who detects of greatly reduced to improve step motor's production quality.
Description
Technical Field
The utility model relates to a motor detection technology field, more specifically say, relate to a detection mechanism of step motor output torque.
Background
The stepping motor is an actuating mechanism for converting electric pulses into angular displacement, is a household stepping motor, is also a permanent magnet stepping motor driven by pulses, has a driving voltage DC5-24V, is a 4-phase 5-wire monopole stepping motor, has a step angle of 5.625, is decelerated by a gear 1/64, rotates 64 circles inside, rotates one circle of an external output shaft, and rotates 0.087 degrees of each pulse motor output shaft; compared with other types of stepping motors, the stepping motor has the advantages of simple structure, large output torque, high accuracy and low price, and is widely applied to the occasions of position drive control and the like of household appliances, bathrooms, security protection, intelligent furniture and the like.
Because the application occasion has high requirement on the output torque of the stepping motor and needs to be accurate and reliable, the output torque of the stepping motor must be detected in the production process. At the present stage, the output torque of the stepping motor is mostly detected manually, the output torque of the stepping motor needs to be detected manually in a visual inspection mode, the mode not only enables the labor intensity of workers to be high, but also is low in detection efficiency, easy to master and strong in subjectivity, so that the detection accuracy is low, and the production quality of the stepping motor is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome shortcoming and not enough among the prior art, provide a detection mechanism of step motor output torque, this detection mechanism can be fast, effectively detect step motor output torque, the artifical intensity of labour who detects of greatly reduced to improve step motor's production quality.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a detection mechanism of step motor output torque which characterized in that: the device comprises a fixed seat, weights, a torque disc, a sensor for detecting the positions of the weights and a connector connected with an output shaft of a stepping motor; the connector is arranged on the fixed seat in a penetrating mode and comprises a connecting shaft, and the connecting shaft is connected with an output shaft of the stepping motor; the moment disc is arranged on the connector and is connected with the weight through a winding wire; the sensor is arranged on the fixed seat and is opposite to the weight; when the device works, the electrified stepping motor drives the torque disc to rotate, and the torque output by the electrified stepping motor is detected through the weights and the sensor.
In the above scheme, when the powered stepping motor drives the torque disc to rotate, the stepping motor generates an output torque when being powered on, and the weights can form a counter torque at the same time, and when the output torque of the stepping motor is greater than the counter torque of the weights, the output torque of the stepping motor can be judged to be qualified. And the selection of the weight can be selected according to the detected stepping motor. The detection mechanism is simple in structure, can quickly and effectively detect the output torque of the stepping motor, greatly reduces the labor intensity of manual detection, and improves the production quality of the stepping motor.
The connector further comprises a connector housing; the connecting shaft is arranged in the connector outer sleeve and consists of a plurality of shaft bodies clamped with the output shaft of the stepping motor.
The shaft bodies are arranged to form a plum blossom-shaped connecting shaft. The design can stably lock the output shaft of the stepping motor.
The connector further comprises a one-way bearing; the moment disc is arranged on the connector through a one-way bearing. The utility model discloses a moment dish can constitute one-way arrestment mechanism with one-way bearing.
A stepping motor driving interface connected with an external driving device is arranged on the fixed seat; the stepping motor driving interface is connected with a connecting wire of the stepping motor to drive the stepping motor.
The utility model also comprises a separation plate, a connecting shaft resetting component used for resetting the connecting shaft and a separation resetting piece used for resetting the separation plate; the separation plate and the fixed seat can move relatively, and the connector is sequentially arranged on the fixed seat and the separation plate in a penetrating manner; the connecting shaft resetting assembly is arranged in the connector. The utility model discloses a detection mechanism still has the effect of separating the ejection of compact to the step motor after detecting to improve the practicality greatly.
The separation plate and the fixed seat can move relatively, namely: the device also comprises a connecting column and a linear bearing; one end of the connecting column is fixedly connected with the separating plate, the other end of the connecting column is connected with the fixing seat through the linear bearing, and the separating plate can move relative to the fixing seat through the connecting column.
The separation reset piece is a separation reset spring; the separation reset spring is sleeved on the connecting column, one end of the separation reset spring is abutted against the end part of the connecting column, and the other end of the separation reset spring is abutted against the fixed seat.
The connecting shaft resetting assembly comprises a connecting shaft resetting sleeve and a connecting shaft resetting spring; the connecting shaft resetting sleeve is connected with the connector; one end of the connecting shaft reset spring is abutted against the connecting shaft reset sleeve, and the other end of the connecting shaft reset spring is abutted against the connecting shaft.
The utility model also comprises a magnetic column for adsorbing the stepping motor; the magnetic force column is arranged on the fixed seat. The magnetic column can adsorb step motor's shell, can improve the steadiness when step motor detects like this, and when the separation plate removed the separation, the magnetic column did not have the adsorption effect to step motor.
The utility model discloses step motor output torque's detection mechanism's theory of operation:
during the detection process of the output torque of the stepping motor, the stepping motor is clamped with the connecting shaft, at the moment, the magnetic column adsorbs the shell of the stepping motor, and the plug of the connecting wire of the stepping motor is connected with the driving interface of the stepping motor. When the external driving device drives, the electrified stepping motor drives the torque disc to rotate, the stepping motor generates an output torque when being electrified, meanwhile, the weight can form a counter torque, and when the output torque of the stepping motor is larger than the counter torque of the weight, the output torque of the stepping motor can be judged to be qualified.
To output torque detection for qualified step motor, accessible external thrust promotes the stripper, drives the stripper and is linear motion for step motor breaks away from the absorption of magnetic column, and breaks away from with the connector, and at this moment, step motor's connecting wire also breaks away from with step motor drive interface, thereby realizes step motor's ejection of compact.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect: the utility model discloses step motor output torque's detection mechanism can be fast, effectively detect step motor output torque, the artifical intensity of labour who detects of greatly reduced to improve step motor's production quality.
Drawings
Fig. 1 is a schematic view of a detection mechanism for the output torque of the stepping motor of the present invention;
fig. 2 is a schematic diagram of a second detection mechanism (weights are not shown) for the output torque of the stepping motor of the present invention;
FIG. 3 is a schematic view showing the detecting mechanism of the present invention in a state where the separating plate is not separated;
FIG. 4 is a schematic view showing the separation state of the separation plate in the detection mechanism of the present invention;
FIG. 5 is a schematic view of the connection between the connector and the stepping motor in the detecting mechanism of the present invention;
FIG. 6 is an internal view of the connector of the detecting mechanism of the present invention connected to the stepping motor;
wherein, 1 is the fixing base, 2 is the weight, 3 is the moment dish, 4 is the sensor, 5 is step motor, 6 is the connector, 7 is the stripper plate, 8 is the connecting axle, 9 is the connector overcoat, 10 is the one-way bearing, 11 is step motor drive interface, 12 is the magnetic column, 13 is the spliced pole, 14 is linear bearing, 15 is the separation reset spring, 16 is the connecting axle reset sleeve, 17 is the connecting axle reset spring, 18 is the mounting panel, 19 is the separation gyro wheel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 6, the utility model discloses detection mechanism of step motor output torque includes fixing base 1, weight 2, moment dish 3, is used for detecting sensor 4 of weight 2 position, with 5 output shaft of step motor connector 6, separation plate 7 and be used for adsorbing step motor 5's magnetic force post 12, wherein, but separation plate 7 and fixing base 1 relative movement, magnetic force post 12 sets up on fixing base 1. The connector 6 is sequentially arranged on the fixed seat 1 and the separating plate 7 in a penetrating manner, the connector 6 comprises a connecting shaft 8, and the connecting shaft 8 is connected with an output shaft of the stepping motor 5; and the moment plate 3 is arranged on the connector 6 and connected with the weight 2 through a winding wire. The sensor 4 is arranged on the fixed seat 1 and is opposite to the weight 2; when the device works, the electrified stepping motor 5 drives the torque disc 3 to rotate, and the torque output by the electrified stepping motor 5 is detected through the weights 2 and the sensor 4.
The utility model discloses a connector 6 still includes connector overcoat 9 and one-way bearing 10, and connecting axle 8 sets up inside connector overcoat 9, and connecting axle 8 comprises the axis body of a plurality of roots and 5 output shaft joints of step motor, and in order to pin 5 output shafts of step motor firmly, the axis body is arranged and is formed the connecting axle 8 of plum blossom form. The utility model discloses a moment dish 3 sets up on connector 6 through one-way bearing 10, and this moment dish 3 can constitute one-way arrestment mechanism with one-way bearing 10.
The utility model discloses a be provided with the step motor drive interface 11 of being connected with external drive device on fixing base 1, and separation plate 7 set up with 11 assorted openings of step motor drive interface, the step motor drive interface 11 of being convenient for is connected with step motor 5's connecting wire, realizes driving step motor 5.
In this embodiment, the relative movement between the separation plate 7 and the fixing base 1 means: this detection mechanism still includes spliced pole 13 and linear bearing 14, spliced pole 13 one end and division board 7 fixed connection, and the other end passes through linear bearing 14 to be connected with fixing base 1, but division board 7 passes through spliced pole 13 and realizes and fixing base 1's relative movement.
The utility model discloses still including the separation reset spring 15 that is used for making the connecting axle reset assembly that connecting axle 8 resets and is used for making the stripper plate 7 to reset, wherein, connecting axle reset assembly sets up in connector 6 to including connecting axle reset sleeve 16 and connecting axle reset spring 17, this connecting axle reset sleeve 16 is connected with connector 6, and connecting axle reset spring 17 one end resets cover 16 with the connecting axle and offsets, and the other end offsets with connecting axle 8. And the separation return spring 15 is sleeved on the connecting column 13, one end of the separation return spring is propped against the end part of the connecting column 13, and the other end of the separation return spring is propped against the fixed seat 1.
The utility model discloses step motor output torque's detection mechanism's theory of operation:
during the process of detecting the output torque of the stepping motor 5, the stepping motor 5 is clamped with the connecting shaft 8, at the moment, the magnetic column 12 adsorbs the shell of the stepping motor 5, and the plug of the connecting wire of the stepping motor 5 is connected with the stepping motor driving interface 11. When the external driving device drives, the electrified stepping motor 5 drives the torque disc 3 to rotate, the stepping motor 5 generates an output torque when being electrified, meanwhile, the weights 2 can form a counter torque, and when the output torque of the stepping motor 5 is larger than the counter torque of the weights 2, the output torque of the stepping motor 5 can be judged to be qualified.
To output torque detects for qualified step motor 5, accessible external thrust promotes separation plate 7, drives separation plate 7 and is linear motion for step motor 5 breaks away from the absorption of magnetic column 12, and breaks away from with connector 6, and at this moment, step motor 5's connecting wire also breaks away from with step motor drive interface 11, thereby realizes step motor 5's ejection of compact.
In the use, the detection mechanism of this embodiment can be through the mounting panel 18 fixed mounting who is connected with fixing base 1, and the stripper plate 7 upper end can set up the supporting point that the outside thrust promoted that stripper plate 19 realized promoting stripper plate 7 linear motion through promoting stripper plate 19.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are 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 equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a detection mechanism of step motor output torque which characterized in that: the device comprises a fixed seat, weights, a torque disc, a sensor for detecting the positions of the weights and a connector connected with an output shaft of a stepping motor; the connector is arranged on the fixed seat in a penetrating mode and comprises a connecting shaft, and the connecting shaft is connected with an output shaft of the stepping motor; the moment disc is arranged on the connector and is connected with the weight through a winding wire; the sensor is arranged on the fixed seat and is opposite to the weight; when the device works, the electrified stepping motor drives the torque disc to rotate, and the torque output by the electrified stepping motor is detected through the weights and the sensor.
2. The detection mechanism of output torque of a stepping motor according to claim 1, characterized in that: the connector further comprises a connector housing; the connecting shaft is arranged in the connector outer sleeve and consists of a plurality of shaft bodies clamped with the output shaft of the stepping motor.
3. The detection mechanism of output torque of a stepping motor according to claim 2, characterized in that: the shaft bodies are arranged to form a plum blossom-shaped connecting shaft.
4. The detection mechanism of output torque of a stepping motor according to claim 1, characterized in that: the connector further comprises a one-way bearing; the moment disc is arranged on the connector through a one-way bearing.
5. The detection mechanism of output torque of a stepping motor according to claim 1, characterized in that: a stepping motor driving interface connected with an external driving device is arranged on the fixed seat; the stepping motor driving interface is connected with a connecting wire of the stepping motor to drive the stepping motor.
6. The detection mechanism of output torque of a stepping motor according to any one of claims 1 to 5, characterized in that: the separation plate is arranged on the connecting shaft, and the separation plate is connected with the connecting shaft reset assembly through a connecting shaft; the separation plate and the fixed seat can move relatively, and the connector is sequentially arranged on the fixed seat and the separation plate in a penetrating manner; the connecting shaft resetting assembly is arranged in the connector.
7. The detection mechanism of output torque of a stepping motor according to claim 6, wherein: the separation plate and the fixed seat can move relatively, namely: the device also comprises a connecting column and a linear bearing; one end of the connecting column is fixedly connected with the separating plate, the other end of the connecting column is connected with the fixing seat through the linear bearing, and the separating plate can move relative to the fixing seat through the connecting column.
8. The detection mechanism of output torque of a stepping motor according to claim 7, wherein: the separation reset piece is a separation reset spring; the separation reset spring is sleeved on the connecting column, one end of the separation reset spring is abutted to the end part of the connecting column, which is far away from the separation plate, and the other end of the separation reset spring is abutted to the fixed seat.
9. The detection mechanism of output torque of a stepping motor according to claim 6, wherein: the connecting shaft resetting assembly comprises a connecting shaft resetting sleeve and a connecting shaft resetting spring; the connecting shaft resetting sleeve is connected with the connector; one end of the connecting shaft reset spring is abutted against the connecting shaft reset sleeve, and the other end of the connecting shaft reset spring is abutted against the connecting shaft.
10. The detection mechanism of output torque of a stepping motor according to claim 6, wherein: the magnetic column is used for adsorbing the stepping motor; the magnetic force column is arranged on the fixed seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660541.2U CN215296522U (en) | 2021-03-31 | 2021-03-31 | Detection mechanism for output torque of stepping motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120660541.2U CN215296522U (en) | 2021-03-31 | 2021-03-31 | Detection mechanism for output torque of stepping motor |
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| CN215296522U true CN215296522U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120660541.2U Active CN215296522U (en) | 2021-03-31 | 2021-03-31 | Detection mechanism for output torque of stepping motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201677A (en) * | 2022-07-11 | 2022-10-18 | 东莞市吉铼升电机股份有限公司 | Load testing tool suitable for miniature external rotor brushless motor |
-
2021
- 2021-03-31 CN CN202120660541.2U patent/CN215296522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201677A (en) * | 2022-07-11 | 2022-10-18 | 东莞市吉铼升电机股份有限公司 | Load testing tool suitable for miniature external rotor brushless motor |
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Address after: No. 33 Guangjiao Industrial Avenue, Guangjiao Community, Beijiao Town, Shunde District, Foshan City, Guangdong Province, 528311 Patentee after: Guangdong Minzhuo Mechanical and Electrical Co.,Ltd. Address before: 528311 No.1, south 2nd Road, Guangjiao Industrial Zone, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: Guangdong Minzhuo Mechanical and Electrical Co.,Ltd. |