CN212412995U - High-precision control motor - Google Patents
High-precision control motor Download PDFInfo
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- CN212412995U CN212412995U CN202021241420.6U CN202021241420U CN212412995U CN 212412995 U CN212412995 U CN 212412995U CN 202021241420 U CN202021241420 U CN 202021241420U CN 212412995 U CN212412995 U CN 212412995U
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- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model relates to the field of motors, and discloses a high-precision control motor, which comprises a coding component, a driving main part and a speed reducing component, wherein the coding component comprises a protective cover, a coder and a connecting plate, the coder is arranged in a containing cavity formed by connecting the protective cover and the connecting plate, the driving main part comprises a shell and a stator, the speed reduction assembly comprises an outer shell, a worm, a turbine and an output shaft, the outer shell is connected with the other end of the outer shell, the other end of the rotating shaft sequentially penetrates through the outer shell and the outer shell to be connected with the worm, the turbine is meshed with the worm, one end of the output shaft is connected with the turbine, and the other end of the output shaft extends out of the outer shell; the motor is compact in structure, high in operation precision and capable of accurately controlling the position.
Description
Technical Field
The utility model relates to the field of electric machines, especially, relate to a high accuracy control motor.
Background
The motor is an electromagnetic device which converts or transmits electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy. The motor converts electric energy into mechanical energy, and the generator converts mechanical energy into electric energy. Its main function is to generate driving torque as power source of electric appliance or various machines.
The existing track shielding door is generally controlled by adopting a brush motor, but the existing brush motor has low operation precision and can not accurately control the position, and the structure of the brush motor is not compact enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a high accuracy control motor, compact structure, the running accuracy is high, can the accurate control position.
The purpose of the utility model is realized through the following technical scheme:
a high-precision controlled motor comprising:
the coding assembly comprises a protective cover, a coder and a connecting plate, and the coder is contained in a containing cavity formed by connecting and enclosing the protective cover and the connecting plate;
the driving main part comprises a shell, a stator, a rotor, a rotating shaft and a commutator, one end of the shell is connected with the connecting plate, the stator is arranged in the shell and sleeved outside the rotor, the rotor and the commutator are sequentially sleeved outside the rotating shaft, and one end of the rotating shaft sequentially penetrates through the shell and the connecting plate to be connected with the encoder; and
the speed reduction assembly comprises a shell, a worm wheel and an output shaft, the shell is connected with the other end of the shell, the other end of the rotating shaft penetrates through the shell in sequence and the shell is connected with the worm, the worm wheel is meshed with the worm wheel, and the output shaft is connected with the worm wheel.
In one embodiment, the protective cover is provided with a wire outlet hole, and the wire outlet hole is communicated with the accommodating cavity.
In one embodiment, the coding assembly further includes a sealing ring disposed between the protective cover and the connecting plate.
In one embodiment, the coding assembly further includes a bolt, and the protecting cover and the connecting plate are connected through the bolt.
In one embodiment, the rotor, the rotating shaft and the commutator are respectively accommodated in the casing.
In one embodiment, the casing includes a main casing, an upper end cover and a lower end cover, two ends of the main casing are respectively connected with the upper end cover and the lower end cover, the upper end cover is connected with the connecting plate, and the lower end cover is connected with the casing.
In one embodiment, the driving main part further includes a support rod disposed between the stator and the rotor, one end of the support rod is connected to the upper end cap, and the other end of the support rod is connected to the lower end cap.
In one embodiment, the worm gear and the output shaft are respectively housed in the outer housing.
In one embodiment, the speed reduction assembly further comprises a connecting rod, the worm is sleeved outside the rotating shaft, and two ends of the connecting rod respectively penetrate through two ends of the rotating shaft and are fixed at two ends of the worm.
In one of them embodiment, the speed reduction subassembly still includes ball bearing group, ball bearing group includes preceding ball bearing and back ball bearing, preceding ball bearing set up in the preceding inboard of shell body just cup joints outside the output shaft, back ball bearing set up in the back inboard of shell body just cup joints outside the output shaft.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model connects the coder, the driving main part and the speed reducing component into a whole through the protective cover, the connecting plate, the shell body and other parts, and has compact structure; the motor structure is formed by the shell, the stator, the rotor, the rotating shaft and the commutator, the reduction box structure is formed by the shell, the worm, the turbine and the output shaft, the worm is driven to rotate when the rotating shaft rotates, the worm is meshed with the turbine to drive the turbine to rotate, and then the output shaft is driven to rotate, so that the output rotating speed of the motor is reduced; the mechanical geometric displacement on the rotating shaft is converted into pulse or digital quantity through photoelectric conversion to measure the rotation angle and the rotation speed of the driving main part, so that the running precision of the motor is improved, and the motor can be used for accurately controlling the position on the track shielding door.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a combination diagram of a high-precision control motor according to an embodiment of the present invention.
Fig. 2 is an exploded view of a high-precision control motor according to an embodiment of the present invention.
Fig. 3 is an exploded view of a high-precision control motor according to an embodiment of the present invention.
Fig. 4 is an exploded view of a driving main part of a high-precision control motor according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A high-precision controlled motor comprising: the coding assembly comprises a protective cover, a coder and a connecting plate, and the coder is contained in a containing cavity formed by connecting and enclosing the protective cover and the connecting plate; the driving main part comprises a shell, a stator, a rotor, a rotating shaft and a commutator, one end of the shell is connected with the connecting plate, the stator is arranged in the shell and sleeved outside the rotor, the rotor and the commutator are sequentially sleeved outside the rotating shaft, and one end of the rotating shaft sequentially penetrates through the shell and the connecting plate to be connected with the encoder; and the speed reduction assembly comprises a shell, a worm wheel and an output shaft, the shell is connected with the other end of the shell, the other end of the rotating shaft sequentially penetrates through the shell and the shell is connected with the worm, the worm wheel is meshed with the worm wheel, and the output shaft is connected with the worm wheel.
The high-precision control motor is better described to better understand the concept of the high-precision control motor. Referring to fig. 1 to 4, a high-precision control motor 10 includes an encoding component 110, a driving master 120, and a deceleration component 130. The coding assembly 110 includes a protective cover 111, a coder 112 and a connecting plate 113, and the coder 112 is accommodated in an accommodating cavity defined by the protective cover 111 and the connecting plate 113. The driving main part 120 comprises a shell body 121, a stator 122, a rotor 123, a rotating shaft 124 and a commutator 125, one end of the shell body 121 is connected with the connecting plate 113, the stator 122 is arranged in the shell body 121 and sleeved outside the rotor 123, the rotor 123 and the commutator 125 are sequentially sleeved outside the rotating shaft 124, and one end of the rotating shaft 124 sequentially penetrates through the shell body 121 and the connecting plate 113 and is connected with the encoder 112. The speed reduction assembly 130 comprises an outer shell 131, a worm 132, a worm wheel 133 and an output shaft 134, wherein the outer shell 131 is connected with the other end of the shell 121, the other end of the rotating shaft 124 sequentially penetrates through the shell 121 and the outer shell 131 to be connected with the worm 132, the worm wheel 133 is meshed with the worm 132, one end of the output shaft 134 is connected with the worm wheel 133, and the other end of the output shaft 134 extends out of the outer shell 131. It should be noted that, the present invention connects the encoder 112, the driving main part 120 and the speed reducing component 130 into a whole through the protective cover 111, the connecting plate 113, the housing 121, the housing 131, and other components, and has a compact structure; the motor structure is formed by the shell body 121, the stator 122, the rotor 123, the rotating shaft 124 and the commutator 125, the reduction box structure is formed by the shell body 131, the worm 132, the turbine 133 and the output shaft 134, the worm 132 is driven to rotate when the rotating shaft 124 rotates, the worm 132 is meshed with the turbine 133 to drive the turbine 133 to rotate, and then the output shaft 134 is driven to rotate, so that the output rotating speed of the motor is reduced; the encoder 112 is preferably a photoelectric encoder 112, which mainly comprises a grating disc and a photoelectric detection device, and converts the mechanical geometric displacement on the rotating shaft 124 into a pulse or digital quantity through photoelectric conversion to measure the rotation angle and the rotation speed of the driving main part 120, thereby improving the running precision of the motor, and being applied to a track screen door to accurately control the position.
Further, referring to fig. 2, the protective cover 111 is provided with a wire outlet 1111, and the wire outlet 1111 is communicated with the accommodating cavity. The wire 116 can thus be connected to the encoder 112 via the wire outlet 1111.
Further, referring to fig. 2, the coding assembly 110 further includes a first sealing ring 114, and the first sealing ring 114 is disposed between the protective cover 111 and the connecting plate 113. In this way, the first seal ring 114 seals between the shield cover 111 and the connection plate 113.
Further, referring to fig. 2, the coding assembly 110 further includes a first bolt 115, and the protective cover 111 is connected to the connecting plate 113 through the first bolt 115. Thus, the first bolt 115 can tightly connect the protective cover 111 and the connection plate 113.
Further, referring to fig. 4, the stator 122, the rotor 123, the rotating shaft 124 and the commutator 125 are respectively accommodated in the housing 121. The stator 122 mainly includes a stator 122 core and a stator 122 winding, and the rotor 123 mainly includes a rotor 123 core and a rotor 123 winding.
Further, referring to fig. 4, the casing 121 includes a main casing 1211, an upper end cap 1212 and a lower end cap 1213, two ends of the main casing 1211 are respectively connected to the upper end cap 1212 and the lower end cap 1213, the upper end cap 1212 is connected to the connecting plate 113, and the lower end cap 1213 is connected to the outer casing 131. This facilitates the installation of the internal components of the casing 121 by the arrangement of the main casing 1211, the upper end cap 1212 and the lower end cap 1213.
Further, referring to fig. 4, the driving main part 120 further includes a support rod 126, the support rod 126 is disposed between the stator 122 and the rotor 123, one end of the support rod 126 is connected to the upper end cap 1212, and the other end of the support rod 126 is connected to the lower end cap 1213. This provides good support between the upper end cap 1212 and the lower end cap 1213 via the support rod 126.
Further, referring to fig. 3, the worm 132, the worm wheel 133 and the output shaft 134 are respectively accommodated in the outer casing 131.
Further, referring to fig. 3, the deceleration assembly 130 further includes a connecting rod 135, the worm 132 is sleeved outside the rotating shaft 124, and two ends of the connecting rod 135 respectively penetrate through two ends of the rotating shaft 124 and are fixed at two ends of the worm 132. The worm 132 can be connected to the rotation shaft 124 through the connecting rod 135.
Further, referring to fig. 3, the outer wall of the output shaft 134 is provided with a clamping portion, the inner wall of the turbine 133 is provided with a clamping groove, and the clamping portion is clamped with the clamping groove. The output shaft 134 and the turbine 133 can be connected into a whole by the engagement of the engagement portion and the engagement groove.
Further, referring to fig. 3, the decelerating assembly 130 further includes a fixed bearing set, the fixed bearing set includes an upper fixed bearing 1381 and a lower fixed bearing 1382, the upper fixed bearing 1381 is disposed on the upper inner side of the outer housing 131 and sleeved outside the rotating shaft 124, and the lower fixed bearing 1382 is disposed on the lower inner side of the outer housing 131 and sleeved outside the rotating shaft 124. The rotating shaft 124 can be fixed in the outer housing 131 by the upper fixed bearing 1381 and the lower fixed bearing 1382.
Further, referring to fig. 3, the speed reduction assembly 130 further includes a ball bearing set, the ball bearing set includes a front ball bearing 1391 and a rear ball bearing 1392, the front ball bearing 1391 is disposed on the front inner side of the outer housing 131 and is sleeved outside the output shaft 134, and the rear ball bearing 1392 is disposed on the rear inner side of the outer housing 131 and is sleeved outside the output shaft 134. In this way, the output shaft 134 can be fixed in the outer housing 131 by the front ball bearing 1391 and the rear ball bearing 1392, and the friction force generated when the output shaft 134 rotates can be reduced by rolling friction.
Further, referring to fig. 3, the outer casing 131 includes a main casing 1311, a side casing 1312 and a sealing cover 1313, the main casing 1311 is connected to the side casing 1312, the side casing 1312 is provided with an installation opening, and the sealing cover 1313 is installed in the installation opening 1312 a. The main casing 1311, the side casing 1312 and the sealing cover 1313 are arranged to facilitate the installation of the internal components of the outer casing 131.
Further, referring to fig. 3, the deceleration assembly 130 further includes a second bolt 136, and the main casing 1311 and the side casing 1312 are connected by the second bolt 136. The main casing 1311 and the side casing 1312 can be tightly coupled by the second bolts 136.
Further, referring to fig. 3, the deceleration assembly 130 further includes a second sealing ring 137, and the second sealing ring 137 is disposed between the main casing 1311 and the side casing 1312. In this manner, the main casing 1311 and the side casing 1312 can be sealed by the second seal ring 137.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model connects the encoder 112, the driving main part 120 and the speed reducing component 130 into a whole through the protective cover 111, the connecting plate 113, the shell body 121, the shell body 131 and other parts, and has compact structure; the motor structure is formed by the shell body 121, the stator 122, the rotor 123, the rotating shaft 124 and the commutator 125, the reduction box structure is formed by the shell body 131, the worm 132, the turbine 133 and the output shaft 134, the worm 132 is driven to rotate when the rotating shaft 124 rotates, the worm 132 is meshed with the turbine 133 to drive the turbine 133 to rotate, and then the output shaft 134 is driven to rotate, so that the output rotating speed of the motor is reduced; mechanical geometric displacement on the rotating shaft 124 is converted into pulse or digital quantity through photoelectric conversion to measure the rotating angle and the rotating speed of the driving main part 120, so that the running precision of the motor is improved, and the motor can be applied to a track shielding door to accurately control the position.
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. A high-precision control motor, comprising:
the coding assembly comprises a protective cover, a coder and a connecting plate, and the coder is contained in a containing cavity formed by connecting and enclosing the protective cover and the connecting plate;
the driving main part comprises a shell, a stator, a rotor, a rotating shaft and a commutator, one end of the shell is connected with the connecting plate, the stator is arranged in the shell and sleeved outside the rotor, the rotor and the commutator are sequentially sleeved outside the rotating shaft, and one end of the rotating shaft sequentially penetrates through the shell and the connecting plate to be connected with the encoder; and
the speed reduction assembly comprises a shell, a worm wheel and an output shaft, the shell is connected with the other end of the shell, the other end of the rotating shaft penetrates through the shell in sequence and the shell is connected with the worm, the worm wheel is meshed with the worm wheel, and the output shaft is connected with the worm wheel.
2. The motor of claim 1, wherein the protecting cover has an outlet, and the outlet is in communication with the receiving cavity.
3. The motor of claim 1, wherein the encoder assembly further comprises a sealing ring disposed between the shield cover and the connecting plate.
4. The motor of claim 1, wherein the coding assembly further comprises a bolt, and the protecting cover is connected with the connecting plate through the bolt.
5. The high-precision control motor according to claim 1, wherein the rotor, the rotating shaft and the commutator are respectively accommodated in the housing.
6. The motor of claim 1, wherein the housing comprises a main housing, an upper cover and a lower cover, two ends of the main housing are respectively connected to the upper cover and the lower cover, the upper cover is connected to the connecting plate, and the lower cover is connected to the housing.
7. The motor of claim 6, wherein the driving main part further comprises a support rod disposed between the stator and the rotor, one end of the support rod is connected to the upper end cap, and the other end of the support rod is connected to the lower end cap.
8. The high-precision control motor according to claim 1, wherein the worm, the worm wheel, and the output shaft are respectively housed in the outer housing.
9. The high-precision control motor according to claim 1, wherein the speed reduction assembly further comprises a connecting rod, the worm is sleeved outside the rotating shaft, and two ends of the connecting rod respectively penetrate through two ends of the rotating shaft and are fixed at two ends of the worm.
10. The motor of claim 1, wherein the speed reduction assembly further comprises a ball bearing set, the ball bearing set comprises a front ball bearing and a rear ball bearing, the front ball bearing is arranged on the front inner side of the outer shell and sleeved outside the output shaft, and the rear ball bearing is arranged on the rear inner side of the outer shell and sleeved outside the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241420.6U CN212412995U (en) | 2020-06-30 | 2020-06-30 | High-precision control motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021241420.6U CN212412995U (en) | 2020-06-30 | 2020-06-30 | High-precision control motor |
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| CN212412995U true CN212412995U (en) | 2021-01-26 |
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| CN202021241420.6U Active CN212412995U (en) | 2020-06-30 | 2020-06-30 | High-precision control motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932001A (en) * | 2021-10-25 | 2022-01-14 | 惠州市铭欣家具有限公司 | Motor gear box device applied to wind power generation system |
-
2020
- 2020-06-30 CN CN202021241420.6U patent/CN212412995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932001A (en) * | 2021-10-25 | 2022-01-14 | 惠州市铭欣家具有限公司 | Motor gear box device applied to wind power generation system |
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