CN106374716A - Stepping motor - Google Patents
Stepping motor Download PDFInfo
- Publication number
- CN106374716A CN106374716A CN201610990774.2A CN201610990774A CN106374716A CN 106374716 A CN106374716 A CN 106374716A CN 201610990774 A CN201610990774 A CN 201610990774A CN 106374716 A CN106374716 A CN 106374716A
- Authority
- CN
- China
- Prior art keywords
- iron core
- casing
- pole tooth
- little
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/02—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of variable reluctance type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
- H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
- H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a stepping motor and relates to the technical field of driving devices. The stepping motor comprises an upper motor shell, a lower motor shell, a rotor, two iron cores and two wire winding shafts, wherein the iron cores comprise fixed rings and a number of iron core pole teeth that are arranged along inner circumferences of the fixed rings at an interval, the iron core pole teeth extend axially, the fixed rings of the two iron cores contact directly with each other in such a way that iron core pole teeth on the two iron cores face toward opposite directions, each wire winding shaft correspond to one iron core, and a number of motor shell pole teeth are arranged on inner side walls of the upper motor shell and the lower motor shell at an interval; during assembling operation, first motor shell pole teeth are plugged among iron core pole teeth of one iron core corresponding thereto, and second motor shell pole teeth are plugged among iron core pole teeth of the other iron core corresponding thereto. The stepping motor is advantaged by small magnetic excitation resistance, high control precision, low driving noise, simple structure and the like; the stepping motor is suitable for the field of low frequency and medium-high frequency continuous driving.
Description
Technical field
The present invention relates to technical field of driving, more particularly, to a kind of excitation resistance is little, the high stepping electricity of control accuracy
Machine.
Background technology
Diameter 8mm motor (motor) currently used for safety monitoring is 18 degree of conventional motors (motor), makes
Motor (motor) electrical characteristic used mainly has: maximum self-starting cycle (max starting frequency), maximum
Continuous response cycle (max. slewing frequency), introducing moment (pull-in torque), abjection moment
(pull-out torque), is affected by existing structure precision, and motor only limits the use of in general precision thermomechanical components, needs to improve step
Enter precision and can only convert excitation mode: (1-2, list-two-phase) is changed to by original (2-2, two-phase-two-phase) and drives or using thin
Sub-controller driving, to reach necessary requirement；Because of driving equipment complex circuit designs, cost is high, and depended software drives
Dynamic control motor precision by circuit affected motor output torque unstable it is impossible to be applied to high-precision product.Using process meeting
Have and drive the shortcomings of the unstable of precision, reduction of output torque.
Content of the invention
The technical problem to be solved is to provide a kind of motor, and described motor has excitation resistance
Little, control accuracy is high, drive noise low and advantages of simple structure and simple, is adapted to low frequency and medium-high frequency seriality drives field.
For solve above-mentioned technical problem, the technical solution used in the present invention is: a kind of motor, including upper casing,
Lower casing, rotor, iron core and roll, described upper casing is adapted with lower casing, forms chamber after upper casing is fixing with lower casing
Body, described rotor, iron core and roll are arranged in described cavity, and rotor is rotatably connected with lower casing or upper casing, institute
State iron core and roll be sheathed on described rotor outside and not with described rotor directly contact it is characterised in that: described iron core
And roll is provided with two, described iron core includes retainer ring and inner circumferential several iron cores spaced along described retainer ring
Pole tooth, described iron core pole tooth is axially extending, the retainer ring directly contact of two iron cores, makes the iron core pole tooth direction on two iron cores
Contrary direction, each roll corresponds to an iron core, and roll is sheathed on the outside of iron core pole tooth, along described upper casing
Medial wall interval be provided with several the first casing pole teeth, along described lower casing medial wall interval be provided with several the
Two casing pole teeth, described first casing pole tooth and the second casing pole tooth are axially extending and are oppositely arranged, the first casing pole tooth and
The number of two casing pole teeth is identical with the number of iron core pole tooth；During assembling, the first casing pole tooth is inserted into corresponding one
Between the iron core pole tooth of iron core, the second casing pole tooth is inserted between the iron core pole tooth of another iron core corresponding.
Preferably, described iron core pole tooth is provided with more than five.
It is furthermore preferred that described iron core pole tooth is provided with five or ten.
Further technical scheme is: described motor also includes rear end cap, bearing of rear end cover and shell fragment, described after
End cap is fixed on the trailing flank of described lower casing, and described bearing of rear end cover is fixed in described rear end cap, and described shell fragment is by institute
State the open rearward end closing of rear end cap.
Preferably, it is bolted to connection between described rear end cap and lower casing.
Further technical scheme is: described roll is provided with two capillaries, described capillary respectively with roll in
The two ends of coil connect.
Further technical scheme is: described upper casing and lower casing are provided with big draw-in groove and little draw-in groove, described fixation
Ring is provided with the raised greatly and little projection radially extending, and described big raised and described big draw-in groove is adapted, described little raised with
Little draw-in groove is adapted, and during assembling, the described big projection on one of iron core is connected in the big draw-in groove of upper casing, little projection
It is connected in the little draw-in groove of upper casing；Described big projection on another iron core is connected in the big draw-in groove of lower casing, little projection
It is connected in the little draw-in groove of lower casing.
Further technical scheme is: described rotor includes permanent magnet and drive shaft, and described drive shaft is fixed on institute
State in permanent magnetism body.
Further technical scheme is: described roll includes reel and coil, and described reel includes reel
Main body and the baffle ring being located at reel main body two ends, described coil is wrapped in the reel main body between two baffle rings, wherein
A baffle ring be provided with and the big raised and little projection of raised greatly and little bulge-structure identical in retainer ring, during assembling, phase
The raised greatly and little projection on roll baffle ring is answered to snap fit onto respectively in upper casing or the big draw-in groove and little draw-in groove of lower casing.
Have the beneficial effects that using produced by technique scheme: in described motor, iron core is provided with several ferrum
Core pole tooth, and upper casing be provided with the casing pole tooth being adapted with iron core pole tooth in lower casing, the upper casing after combination, lower machine
Shell and iron core are capable of multistage stepping certain angle, obstructed can overdrive and realize motor stepping certain angle, reduce control
Difficulty, improve the precision of driving；Iron core pole tooth is combined with casing pole tooth, it is possible to decrease the low frequency between iron core and casing is altogether
Shake, excitation resistance is little, drive noise low, be adapted to low frequency and medium-high frequency drives field.
Additionally, described iron core and roll are provided with raised greatly and little projection, and upper casing and lower casing be provided with recessed greatly
Groove and little groove, described big raised and big groove is adapted, and little raised and little groove is adapted, and during assembling, can effectively enter
Row positioning, and make the connection between four more stable.
Brief description
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the decomposition texture schematic diagram of motor described in the embodiment of the present invention；
Fig. 2 is the structural representation of upper casing in motor described in the embodiment of the present invention；
Fig. 3 is the structural representation of iron core in motor described in the embodiment of the present invention；
Wherein: 1, upper casing 2, lower casing 3, rotor 4, iron core 5, roll 6, rear end cap 7, bearing of rear end cover 8, shell fragment 9, kilocalorie
Groove 10, little draw-in groove 11, capillary 1-1, the first casing pole tooth 2-1, the second casing pole tooth 3-1, permanent magnet 3-2, drive shaft 4-1, solid
Determine ring 4-2, iron core pole tooth 4-1-1, raised greatly 5-1, reel 5-1-1, reel main body 5-1-2, baffle ring 12, ball.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Elaborate a lot of details in the following description in order to fully understand the present invention, but the present invention is acceptable
To be implemented different from alternate manner described here using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in figure 1, the embodiment of the invention discloses a kind of motor, including upper casing 1, lower casing 2, rotor 3, ferrum
Core 4 and roll 5, described upper casing 1 is adapted with lower casing 2, formation cavity after upper casing 1 is fixing with lower casing 2, described turn
Son 3, iron core 4 and roll 5 are arranged in described cavity.Rotor 3 is rotatably connected with lower casing 2 or upper casing 1, described ferrum
Core 4 and roll 5 be sheathed on described rotor 3 outside and not with described rotor directly contact, above content and prior art phase
Same, will not be described here.
The embodiment of the present invention is in place of being different from prior art: described iron core 4 and roll 5 are provided with two, as Fig. 3 institute
Show, described iron core 4 includes retainer ring 4-1 and inner circumferential several iron core poles spaced tooth 4- along described retainer ring 4-1
2, described iron core pole tooth 4-2 is axially extending, and the retainer ring 4-1 directly contact of two iron cores 4 makes the iron core pole on two iron cores 4
Tooth 4-2 is in the opposite direction.Each roll 5 corresponds to an iron core 4, and roll 5 is sheathed on the outer of iron core pole tooth 4-2
Side, along described upper casing 1 medial wall interval be provided with several the first casing poles tooth 1-1, as illustrated in fig. 1 and 2, along described
What the medial wall of lower casing 2 was spaced is provided with several the second casing poles tooth 2-1.Described first casing pole tooth 1-1 and the second machine
Shell pole tooth 2-1 is axially extending and is oppositely arranged, the number of the first casing pole tooth 1-1 and the second casing pole tooth 2-1 and iron core pole tooth
The number of 4-2 is identical；During assembling, the first casing pole tooth 1-1 be inserted into a corresponding iron core iron core pole tooth 4-2 it
Between, the second casing pole tooth 2-1 is inserted between the iron core pole tooth 4-2 of another iron core corresponding.
In described motor, iron core is provided with several iron core pole teeth, and is provided with and iron core in upper casing and lower casing
The casing pole tooth that pole tooth is adapted, upper casing after combination, lower casing and iron core are capable of multistage stepping certain angle, can not
Realize motor stepping certain angle by driving, reduce the difficulty of control, improve the precision of driving；Iron core pole tooth and casing
The combination of pole tooth, it is possible to decrease the low-frequency resonance between iron core and casing, excitation resistance is little, drive noise low, be adapted to low frequency and
Medium-high frequency drives field.
Preferably, described iron core pole tooth 4-2 is provided with more than five.More there is choosing, described iron core pole tooth 4-2 is provided with five
Individual or ten.It is pointed out that concrete number those skilled in the art of iron core pole tooth can be adjusted according to actual, ferrum
The number of core pole tooth determines the minimum step angle that motor can control, and the number of iron core pole tooth is more, motor
Controllable step angle is less, and precision is higher, and the number of iron core pole tooth is fewer, and the controllable step angle of motor is got over
Greatly, precision is lower.
Further, as shown in figure 1, described motor also includes rear end cap 6, bearing of rear end cover 7 and shell fragment 8.Described
Rear end cap 6 is fixed on the trailing flank of described lower casing 2, and described bearing of rear end cover 7 is fixed in described rear end cap 6, described bullet
The open rearward end of described rear end cap 6 is closed by piece 8.
Further, as shown in figure 1, described rotor 3 includes permanent magnet 3-1 and drive shaft 3-2, described drive shaft 3-2
It is fixed in described permanent magnet 3-1.One end of described drive shaft 3-2 is fixedly connected with the inner ring of described bearing of rear end cover, makes to turn
Son is rotatable with respect to described upper casing 1 and lower casing 2.
Preferably, it is bolted to connection between described rear end cap 6 and lower casing 2, it should be noted that between the two
Effectively connection can also be carried out by modes such as clamping, grafting and bondings, those skilled in the art can be according to actual needs
Selected.
Further, as shown in figure 1, described roll 5 is provided with two capillaries 11, described capillary 11 respectively with roll
The two ends of interior loop connect, and the free end of described welding 11 is attached with power line.
Preferably, as Figure 1-3, described upper casing 1 and lower casing 2 are provided with big draw-in groove 9 and little draw-in groove 10, described solid
Determine ring 4-1 and be provided with the raised greatly 4-1-1 radially extending and little projection, described big projection 4-1-1 is mutually fitted with described big draw-in groove 9
Join, described little raised and little draw-in groove 10 is adapted.During assembling, the described big projection 4-1-1 on one of iron core 4 is connected to
In the big draw-in groove 9 of upper casing 1, little projection is connected in the little draw-in groove 10 of upper casing 1；Described big projection on another iron core 4
4-1-1 is connected in the big draw-in groove 9 of lower casing 2, and little projection is connected in the little draw-in groove 10 of lower casing 2.
Preferably, as shown in figure 1, described roll 5 includes reel 5-1 and coil.Described reel 5-1 includes coiling
Cylinder main body 5-1-1 and be located at reel main body 5-1-1 two ends baffle ring 5-1-2, described coil be wrapped in two baffle ring 5-1-2 it
Between reel main body 5-1-1 on.One of baffle ring 5-1-2 is provided with and the raised greatly and little bulge-structure in retainer ring
The big raised and little projection of identical, during assembling, the raised greatly and little projection on corresponding roll 5 baffle ring 5-1-2 snaps fit onto respectively
In the big draw-in groove 9 and little draw-in groove 10 of upper casing 1 or lower casing 2.
Described iron core and roll are provided with raised greatly and little projection, and upper casing and lower casing are provided with big groove and little
Groove, described big raised and big groove is adapted, and little raised and little groove is adapted, and during assembling, can effectively be positioned,
And make the connection between four more stable.
Claims (9)
1. a kind of motor, including upper casing (1), lower casing (2), rotor (3), iron core (4) and roll (5), described on
Casing (1) is adapted with lower casing (2), forms cavity, described rotor (3), iron core after upper casing (1) is fixing with lower casing (2)
(4) and roll (5) is arranged in described cavity, rotor (3) is rotatably connected with lower casing (2) or upper casing (1), described
Iron core (4) and roll (5) be sheathed on described rotor (3) outside and not with described rotor directly contact it is characterised in that: institute
State iron core (4) and roll (5) is provided with two, described iron core (4) includes retainer ring (4-1) and along described retainer ring (4-1)
Inner circumferential several iron core poles tooth (4-2) spaced, described iron core pole tooth (4-2) be axially extending, the consolidating of two iron core (4)
Determine ring (4-1) directly contact, make iron core pole tooth (4-2) on two iron cores (4) in the opposite direction, each roll (5)
A corresponding iron core (4), and roll (5) is sheathed on the outside of iron core pole tooth (4-2), along the medial wall of described upper casing (1)
Interval be provided with several the first casing poles tooth (1-1), along described lower casing (2) medial wall interval be provided with several
Second casing pole tooth (2-1), described first casing pole tooth (1-1) and the second casing pole tooth (2-1) are axially extending and are oppositely arranged,
First casing pole tooth (1-1) is identical with the number of iron core pole tooth (4-2) with the number of the second casing pole tooth (2-1)；During assembling, the
One casing pole tooth (1-1) is inserted between iron core pole tooth (4-2) of a corresponding iron core, the second casing pole tooth (2-1)
It is inserted between iron core pole tooth (4-2) of another iron core corresponding.
2. motor as claimed in claim 1 it is characterised in that: described iron core pole tooth (4-2) is provided with more than five.
3. motor as claimed in claim 2 it is characterised in that: described iron core pole tooth (4-2) is provided with five or ten.
4. motor as claimed in claim 1 it is characterised in that: described motor also includes rear end cap (6), rear end cap
Bearing (7) and shell fragment (8), described rear end cap (6) is fixed on the trailing flank of described lower casing (2), described bearing of rear end cover (7)
It is fixed in described rear end cap (6), the open rearward end of described rear end cap (6) is closed by described shell fragment (8).
5. motor as claimed in claim 4 it is characterised in that: between described rear end cap (6) and lower casing (2) pass through spiral shell
Bolt is fixedly connected.
6. motor as claimed in claim 1 it is characterised in that: described roll (5) is provided with two capillaries (11), institute
State capillary (11) to be connected with the two ends of roll interior loop respectively.
7. motor as claimed in claim 1 it is characterised in that: described upper casing (1) and lower casing (2) are provided with kilocalorie
Groove (9) and little draw-in groove (10), described retainer ring (4-1) is provided with raised greatly (4-1-1) radially extending and little projection, described
Projection (4-1-1) is adapted with described big draw-in groove (9) greatly, and described little raised and little draw-in groove (10) is adapted, during assembling, therein
Described big projection (4-1-1) on one iron core (4) is connected in the big draw-in groove (9) of upper casing (1), and little projection is connected to machine
In the little draw-in groove (10) of shell (1)；Described big projection (4-1-1) on another iron core (4) is connected to the big draw-in groove of lower casing (2)
(9), in, little projection is connected in the little draw-in groove (10) of lower casing (2).
8. motor as claimed in claim 1 it is characterised in that: described rotor (3) includes permanent magnet (3-1) and drives
Axle (3-2), described drive shaft (3-2) is fixed in described permanent magnet (3-1).
9. motor as claimed in claim 7 it is characterised in that: described roll (5) includes reel (5-1) and line
Circle, the baffle ring (5-1- that described reel (5-1) includes reel main body (5-1-1) and is located at reel main body (5-1-1) two ends
2), described coil is wrapped in the reel main body (5-1-1) between two baffle rings (5-1-2), one of baffle ring (5-1-
2) it is provided with and the big raised and little projection of raised greatly and little bulge-structure identical in retainer ring, during assembling, corresponding roll
(5) the raised greatly and little projection on baffle ring (5-1-2) snaps fit onto the big draw-in groove (9) of upper casing (1) or lower casing (2) and little respectively
In draw-in groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990774.2A CN106374716A (en) | 2016-11-10 | 2016-11-10 | Stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610990774.2A CN106374716A (en) | 2016-11-10 | 2016-11-10 | Stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106374716A true CN106374716A (en) | 2017-02-01 |
Family
ID=57894660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610990774.2A Pending CN106374716A (en) | 2016-11-10 | 2016-11-10 | Stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106374716A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070074A (en) * | 2017-05-05 | 2017-08-18 | 东莞市维斗科技股份有限公司 | DC vibration motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309664Y (en) * | 1997-09-16 | 1999-03-03 | 名钟机电工业股份有限公司 | New structure of step motor |
| JP2006174528A (en) * | 2004-12-13 | 2006-06-29 | Nidec Copal Corp | Blade driver of camera and its stepping motor |
| CN103378708A (en) * | 2012-04-23 | 2013-10-30 | 德昌电机(深圳)有限公司 | Stepping motor and linear drive using same |
| CN205051555U (en) * | 2015-09-26 | 2016-02-24 | 东莞市维斗电子有限公司 | Novel step motor |
| CN206135685U (en) * | 2016-11-10 | 2017-04-26 | 东莞市维斗科技股份有限公司 | Step motor |
-
2016
- 2016-11-10 CN CN201610990774.2A patent/CN106374716A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309664Y (en) * | 1997-09-16 | 1999-03-03 | 名钟机电工业股份有限公司 | New structure of step motor |
| JP2006174528A (en) * | 2004-12-13 | 2006-06-29 | Nidec Copal Corp | Blade driver of camera and its stepping motor |
| CN103378708A (en) * | 2012-04-23 | 2013-10-30 | 德昌电机(深圳)有限公司 | Stepping motor and linear drive using same |
| CN205051555U (en) * | 2015-09-26 | 2016-02-24 | 东莞市维斗电子有限公司 | Novel step motor |
| CN206135685U (en) * | 2016-11-10 | 2017-04-26 | 东莞市维斗科技股份有限公司 | Step motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070074A (en) * | 2017-05-05 | 2017-08-18 | 东莞市维斗科技股份有限公司 | DC vibration motor |
| CN107070074B (en) * | 2017-05-05 | 2023-04-21 | 东莞市维斗科技股份有限公司 | DC vibration motor |
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Application publication date: 20170201 |