CN211930378U - Stepping motor - Google Patents
Stepping motor Download PDFInfo
- Publication number
- CN211930378U CN211930378U CN202020579366.XU CN202020579366U CN211930378U CN 211930378 U CN211930378 U CN 211930378U CN 202020579366 U CN202020579366 U CN 202020579366U CN 211930378 U CN211930378 U CN 211930378U
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- Prior art keywords
- rear end
- end cover
- casing
- fixed
- arc
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 claims abstract description 29
- 241000883990 Flabellum Species 0.000 claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 239000002826 coolant Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 16
- 239000000112 cooling gas Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 8
- 239000003570 air Substances 0.000 description 20
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to the technical field of electric motor, and a step motor is disclosed, which comprises a motor body, motor body includes front end housing, rear end cap, casing and pivot, front end housing and rear end cap are fixed mounting respectively at the front end and the rear end of casing, pivot activity suit is at the middle part between front end housing and rear end cap and is located the inside of casing, fixed mounting has the temperature sensor who is located the casing inside on the front end housing. This step motor, in the use, in conducting the heat of motor inside to cooling channel through heat conduction connecting piece through the heat conduction ring, recycle the coolant entry and fill into inert cooling gas such as liquid nitrogen to the rear end cap in to utilize the flabellum to carry inert cooling gas such as liquid nitrogen to cooling channel in, and then realize the quick heat dissipation to this step motor, compare in prior art and adopt the flabellum to carry out the radiating mode of forced air cooling, this step motor radiating effect is better also faster.
Description
Technical Field
The utility model relates to the technical field of motors, specifically a step motor.
Background
The step motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, is a main executive component in a modern digital program control system, is widely applied, and under the condition of non-overload, the rotating speed and the stopping position of the motor only depend on the frequency and the pulse number of the pulse signal and are not influenced by load change; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled.
However, the existing stepping motor usually adopts the fan blades to perform air cooling heat dissipation, but the temperature in the air surrounding the motor is higher, so that the temperature of the external air extracted by the fan blades is also higher, in the actual use process, the heat dissipation effect on the motor is not good, and the fan blades inside the existing stepping motor are usually welded directly on the rotating shaft, and are not easy to detach and replace after being damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a step motor, it is good to possess the radiating effect, the advantage of the quick detachable change of flabellum, it adopts the flabellum to carry out the forced air cooling heat dissipation usually to have solved current step motor, but the temperature in the motor ambient air is higher, the outside air temperature that leads to the flabellum to extract is also higher, in the in-service use, the radiating effect to the motor is not good, and the inside flabellum of current step motor all is the lug weld in the pivot usually, after the damage appears, be difficult for dismantling the problem of changing.
The utility model provides a following technical scheme: a stepping motor comprises a motor body, wherein the motor body comprises a front end cover, a rear end cover, a shell and a rotating shaft, the front end cover and the rear end cover are respectively and fixedly arranged at the front end and the rear end of the shell, the rotating shaft is movably sleeved in the middle between the front end cover and the rear end cover and is positioned in the shell, a temperature sensor positioned in the shell is fixedly arranged on the front end cover, a fixed sleeve is fixedly sleeved at one end of the rotating shaft positioned in the rear end cover, a collecting pipe is arranged at one side of the rear end cover, two ends of the collecting pipe are connected with an air inlet pipe extending into the rear end cover, the middle of the collecting pipe is connected with a cooling medium inlet, electromagnetic valves are respectively arranged on the cooling medium inlet and the air inlet pipe, a controller is fixedly arranged at the top of the shell, a cooling channel is arranged in the middle of an inner cavity of the, the outer wall of the heat conduction ring is fixedly connected with a heat conduction connecting piece extending to the inside of the cooling channel, and the heat conduction connecting piece is fixedly connected with a heat dissipation ring located inside the cooling channel.
Preferably, the fixed groove of seting up four ring array is sheathe in to the fixed, the inside cross locating piece that is equipped with of fixed groove, and movable sleeve has the flabellum in the fixed groove, the cross constant head tank has been seted up at the middle part of flabellum one end, and the both sides of flabellum one end all are equipped with fixed ear, the arc fixed block has been cup jointed in the activity on the outer wall of fixed cover, the inserting groove has all been seted up at the middle part at the inboard both ends of arc fixed block, and the middle part of arc fixed block is equipped with.
Preferably, the cross positioning slot at one end of the fan blade is movably sleeved with the cross positioning block in the fixing slot.
Preferably, the inserting grooves at the two ends of the arc-shaped fixing block are movably sleeved with the fixing lugs at the two sides of the fan blade, and the arc-shaped fixing block is fixedly arranged on the fixing sleeve through a bolt.
Preferably, the spring is movably sleeved between the arc-shaped fixing block and a nut at one end of the bolt.
Preferably, one end of the cooling channel is communicated with the inside of the rear end cover, and the other end of the cooling channel penetrates through the front end cover to be communicated with the external environment.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. in the use process of the stepping motor, the heat inside the motor is conducted into the cooling channel through the heat conduction connecting piece by the heat conduction ring, and inert cooling gas such as liquid nitrogen is filled into the rear end cover by utilizing the cooling medium inlet, so that the inert cooling gas such as the liquid nitrogen is conveyed into the cooling channel by utilizing the fan blades, thereby realizing the rapid heat dissipation of the stepping motor, compared with the prior art that fan blades are adopted for air cooling heat dissipation, the stepping motor has better and faster heat dissipation effect, and the device adopts the temperature sensor arranged in the motor, the temperature generated in the use process of the motor can be monitored, when the temperature generated by the motor is lower, the electromagnetic valve of the cooling medium inlet can be closed and the electromagnetic valve on the air inlet pipe can be opened, therefore, the motor is cooled by air from outside air, and the heat dissipation cost of the motor is reduced.
2. This step motor through with the flabellum independent and the detachable installation sheathe in the fixed of pivot, in the use, when the flabellum appears damaging, can dismantle alone and change the flabellum that needs to be changed, compare in prior art, not only made things convenient for the dismouting of flabellum to change, and also practiced thrift the cost when the flabellum is changed simultaneously to the degree of difficulty that the flabellum dismouting was changed has been reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the structure fixing sleeve of the utility model.
In the figure: 1. a motor body; 2. a front end cover; 3. a rear end cap; 4. a housing; 5. a rotating shaft; 6. a temperature sensor; 7. fixing a sleeve; 701. fixing grooves; 702. a cross positioning block; 703. a fan blade; 704. a cross positioning slot; 705. fixing the ear; 706. an arc-shaped fixed block; 707. inserting grooves; 708. a bolt; 709. a spring; 8. a collector pipe; 9. an air inlet pipe; 10. a cooling medium inlet; 11. an electromagnetic valve; 12. a controller; 13. a cooling channel; 14. a heat conducting ring; 15. a thermally conductive connector; 16. and a heat dissipation ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a stepping motor comprises a motor body 1, the motor body 1 comprises a front end cover 2, a rear end cover 3, a casing 4 and a rotating shaft 5, the front end cover 2 and the rear end cover 3 are respectively and fixedly installed at the front end and the rear end of the casing 4, the rotating shaft 5 is movably sleeved in the middle between the front end cover 2 and the rear end cover 3 and is located inside the casing 4, a temperature sensor 6 located inside the casing 4 is fixedly installed on the front end cover 2, the temperature sensor 6 is used for conveniently monitoring the temperature inside the motor, a controller 12 is matched for conveniently switching between two sets of heat dissipation modes of a cooling medium and external air so as to save cost, a fixed sleeve 7 is fixedly sleeved on one end of the rotating shaft 5 located inside the rear end cover 3, a collecting pipe 8 is arranged on one side of the rear end cover 3, two ends of the collecting pipe 8 are connected with an air inlet pipe 9 extending to the inside, and the middle part of collecting pipe 8 is connected with coolant inlet 10, coolant inlet 10 with store the tank connection that has liquid nitrogen or other inert cooling gas, all be equipped with solenoid valve 11 on coolant inlet 10 and the air-supply line 9, the top fixed mounting of casing 4 has controller 12, and cooling channel 13 has been seted up at the middle part of casing 4 inner chamber, be equipped with heat conduction ring 14 on the inner wall of casing 4, fixedly connected with extends to the inside heat conduction connecting piece 15 of cooling channel 13 on heat conduction ring 14's the outer wall, heat conduction connecting piece 15 fixedly connected with is located the inside radiating ring 16 of cooling channel 13, utilize heat conduction ring 14 to be convenient for transmit the inside heat of motor to the inside radiating ring 16 of cooling channel 13 through heat conduction connecting piece 15, thereby improve the rate of heat dissipation of this motor.
Wherein, fixed cover 7 is last to be seted up four ring array's fixed slot 701, fixed slot 701 is inside to be equipped with cross locating piece 702, and movable sleeve is equipped with flabellum 703 in the fixed slot 701, cross constant head tank 704 has been seted up at the middle part of flabellum 703 one end, and the both sides of flabellum 703 one end all are equipped with fixed ear 705, arc fixed block 706 has been cup jointed in the activity on the outer wall of fixed cover 7, inserting groove 707 has all been seted up at the middle part at the inboard both ends of arc fixed block 706, and the middle part of arc fixed block 706 is equipped with bolt.
The cross-shaped positioning slot 704 at one end of the fan blade 703 is movably sleeved with the cross-shaped positioning block 702 in the fixing groove 701, and the cross-shaped positioning slot 704 at one end of the fan blade 703 is matched with the cross-shaped positioning block 702 in the fixing groove 701, so that the fan blade 703 is further limited, and the stability of the fan blade 703 after installation is improved.
The insertion grooves 707 at the two ends of the arc-shaped fixing block 706 are movably sleeved with the fixing lugs 705 at the two sides of the fan blade 703, the arc-shaped fixing block 706 is fixedly mounted on the fixing sleeve 7 through bolts 708, the fan blade 703 is horizontally limited and fixed by the aid of the insertion grooves 707 at the two ends of the arc-shaped fixing block 706 and the arc-shaped fixing block 706, and the arc-shaped fixing block 706 is fixed by the bolts 708, so that subsequent dismounting and mounting work is facilitated.
Wherein, the spring 709 activity suit is between the nut of arc fixed block 706 and bolt 708 one end, utilizes the spring 709 that is located between bolt 708 nut and the arc fixed block 706, cushions the vibration that produces when rotating shaft 5, avoids bolt 708 to take place to loosen because of the vibration to the problem that leads to flabellum 703 pine takes place.
Wherein, the inside of cooling channel 13's one end intercommunication rear end cap 3, and cooling channel 13's the other end runs through front end housing 2 and external environment intercommunication, utilizes the cooling channel 13 of seting up on casing 4, and the circulation of inert cooling gas such as the liquid nitrogen of being convenient for and the circulation of outside air improve the radiating effect and the speed of this motor under the condition of inert cooling gas's such as liquid nitrogen circulation and outside air impurity to 1 inside influence of motor body.
The working principle is as follows: firstly, in normal use, keeping the electromagnetic valves 11 on the cooling medium inlet 10 closed, opening the electromagnetic valves 11 on the two air inlet pipes 9, guiding external cold air into the cooling channel 13 inside the casing 4 through the air inlet pipes 9 by using the fan blades 703, thereby performing air-cooling heat dissipation on the inside of the motor body 1 and the heat dissipation ring 16, then, when the temperature sensor 6 monitors that the inside temperature of the motor body 1 is higher, closing the electromagnetic valves 11 on the two air inlet pipes 9 and opening the electromagnetic valves 11 on the cooling medium inlet 10, thereby injecting inert cooling gas such as liquid nitrogen into the rear end cover 3 from the cooling medium inlet 10, further using the fan blades 703 to convey the cooling medium into the cooling channel 13 to perform heat dissipation on the inside of the motor body 1 and the heat dissipation ring 16, and finally, when the fan blades are damaged, opening the rear end cover 3, removing the bolts 708 on the arc-shaped fixing blocks 706 on both sides of the fan blades 703 which need to, the arc-shaped fixing blocks 706 and the fan blades 703 to be replaced can be sequentially taken down, new fan blades 703 are inserted into the fixing grooves 701 on the fixing sleeve 7, and the two arc-shaped fixing blocks 706 which are detached are sequentially fixed on the fixing sleeve 7 by using the two bolts 708.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A stepping motor comprises a motor body (1), and is characterized in that: the motor body (1) comprises a front end cover (2), a rear end cover (3), a casing (4) and a rotating shaft (5), wherein the front end cover (2) and the rear end cover (3) are respectively and fixedly installed at the front end and the rear end of the casing (4), the rotating shaft (5) is movably sleeved in the middle between the front end cover (2) and the rear end cover (3) and is positioned inside the casing (4), a temperature sensor (6) positioned inside the casing (4) is fixedly installed on the front end cover (2), a fixed sleeve (7) is fixedly sleeved on one end of the rotating shaft (5) positioned inside the rear end cover (3), a collecting pipe (8) is arranged on one side of the rear end cover (3), two ends of the collecting pipe (8) are connected with an air inlet pipe (9) extending to the inside of the rear end cover (3), the middle of the collecting pipe (8) is connected with a cooling medium inlet (10), electromagnetic valves (11) are arranged on the cooling medium inlet (10) and the air inlet pipe (9, the top fixed mounting of casing (4) has controller (12), and cooling channel (13) have been seted up at the middle part of casing (4) inner chamber, be equipped with heat conduction ring (14) on the inner wall of casing (4), fixedly connected with extends to inside heat conduction connecting piece (15) of cooling channel (13) on the outer wall of heat conduction ring (14), heat conduction connecting piece (15) fixedly connected with is located cooling channel (13) inside heat dissipation ring (16).
2. A stepping motor according to claim 1, wherein: the utility model discloses a fan fixing structure, including fixed cover (7), fixed groove (701) of seting up four ring array on fixed cover (7), fixed groove (701) inside is equipped with cross locating piece (702), and fixed groove (701) internal activity cover is equipped with flabellum (703), cross constant head tank (704) have been seted up at the middle part of flabellum (703) one end, and the both sides of flabellum (703) one end all are equipped with fixed ear (705), arc fixed block (706) have been cup jointed in the activity on the outer wall of fixed cover (7), inserting groove (707) have all been seted up at the middle part at the inboard both ends of arc fixed block (706), and the middle part of arc fixed block (706) is equipped with bolt.
3. A stepping motor according to claim 2, wherein: the cross positioning slot (704) at one end of the fan blade (703) is movably sleeved with the cross positioning block (702) in the fixing slot (701).
4. A stepping motor according to claim 2, wherein: the inserting grooves (707) at the two ends of the arc-shaped fixed block (706) are movably sleeved with the fixed lugs (705) at the two sides of the fan blade (703), and the arc-shaped fixed block (706) is fixedly arranged on the fixed sleeve (7) through a bolt (708).
5. A stepping motor according to claim 2, wherein: the spring (709) is movably sleeved between the arc-shaped fixing block (706) and a nut at one end of the bolt (708).
6. A stepping motor according to claim 1, wherein: one end of the cooling channel (13) is communicated with the inside of the rear end cover (3), and the other end of the cooling channel (13) penetrates through the front end cover (2) to be communicated with the external environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579366.XU CN211930378U (en) | 2020-04-17 | 2020-04-17 | Stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020579366.XU CN211930378U (en) | 2020-04-17 | 2020-04-17 | Stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211930378U true CN211930378U (en) | 2020-11-13 |
Family
ID=73328378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020579366.XU Expired - Fee Related CN211930378U (en) | 2020-04-17 | 2020-04-17 | Stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211930378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115224905A (en) * | 2022-08-30 | 2022-10-21 | 常州市江华电机电器有限公司 | Heat dissipation stepping motor |
-
2020
- 2020-04-17 CN CN202020579366.XU patent/CN211930378U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115224905A (en) * | 2022-08-30 | 2022-10-21 | 常州市江华电机电器有限公司 | Heat dissipation stepping motor |
| CN115224905B (en) * | 2022-08-30 | 2024-02-06 | 常州市江华电机电器有限公司 | Heat dissipation stepper motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220819 Address after: 430000 No. 18, floor 11, building 9, Wanda Plaza Phase II, Jiyuqiao, Wuchang District, Wuhan City, Hubei Province Patentee after: Wuhan xinshangyuan Technology Development Co.,Ltd. Address before: 526500 first floor of demolition and resettlement area in Changzheng new area, Jiangkou street, Fengkai County, Zhaoqing City, Guangdong Province Patentee before: Zhaoqing YUENENG Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |