CN112615479A - Special shock attenuation closed loop motor of automation equipment - Google Patents
Special shock attenuation closed loop motor of automation equipment Download PDFInfo
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- CN112615479A CN112615479A CN202011427400.2A CN202011427400A CN112615479A CN 112615479 A CN112615479 A CN 112615479A CN 202011427400 A CN202011427400 A CN 202011427400A CN 112615479 A CN112615479 A CN 112615479A
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- 230000035939 shock Effects 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 23
- 238000013016 damping Methods 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 12
- 239000003381 stabilizer Substances 0.000 claims description 5
- 241000883990 Flabellum Species 0.000 claims description 4
- 239000010705 motor oil Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 22
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 238000005728 strengthening Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 21
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 239000010721 machine oil Substances 0.000 description 7
- 230000002708 enhancing effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- 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
-
- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
-
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model belongs to the technical field of the motor technique and specifically relates to a special shock attenuation closed loop motor of automation equipment is related to, which comprises a housing, the both ends of casing are equipped with front end housing and rear end cap respectively, and be equipped with a set of stator and the rotor that keeps coaxial with the casing in the casing, be equipped with the pivot in the rotor, the casing is equipped with the shell outward, link to each other through damper between shell and the casing, the both ends of pivot are passed front end housing and rear end cap respectively and are fixed with the fan, all be equipped with the fan housing outward to the fan, the both ends at the shell are fixed respectively to two fan housings, the one end that the pivot is close to the front end housing is passed the fan housing that is close to the front. The present application has the following effects: the fan is used for the forced heat dissipation of motor, strengthens the radiating effect of motor to more steady when making the motor operation, damper assembly carries out the shock attenuation to the vibrations of casing, makes vibrations be difficult to transmit to shell department, thereby reaches the purpose of strengthening the holistic shock attenuation effect of motor.
Description
Technical Field
The application relates to the technical field of motors, in particular to a damping closed-loop motor special for automation equipment.
Background
Closed loop control refers to a control relationship in which the output being controlled is returned to the input being controlled in a manner that exerts a controlling influence on the input. The closed-loop control of the stepper motor uses position feedback and/or velocity feedback to determine the phase shift appropriate to the rotor position, which can greatly improve the performance of the stepper motor. In a closed-loop controlled stepper motor system, either the operating speed range is expanded when tracking and feedback are provided with a given accuracy, or the tracking and positioning accuracy is improved at a given speed, or a limit speed index and a limit accuracy index are obtained. By adopting closed-loop control, the running speed higher than that of open-loop control can be obtained, and the rotating speed is more stable and smoother. The closed-loop stepping motor is mostly used in automation equipment to realize various automation actions of the automation equipment.
In the related art, a closed-loop stepping motor is usually provided with a cooling structure to avoid that the working temperature of the stepping motor is too high to affect the normal work and the service life of the stepping motor. For example, chinese patent application No. cn201810494956.x discloses a self-cooling type stepping motor, it includes the bearing cap, the oil inlet, the oil-out, the end cover, seal ring, insert the round pin, the cooling base, the cooling surface, the terminal, the fuse, the shielding ware, stator core, stator winding, the apparatus further comprises a rotating shaft, a bearing, the rotor, the fan, the shroud, dustproof filter screen and vent, be provided with the oil inlet in the bearing cap, the oil inlet side is provided with the oil-out, the oil-out side is provided with the end cover, be provided with seal ring in the middle of the end cover, one side is provided with the cooling surface on the cooling base, cooling surface one side is provided with the terminal, the cooling base is formed for integrative punching press, structural stability has been increased, the material of fuse is plumbous zinc alloy, protect step motor not transship, the iron core of rotor.
For example, chinese patent application document CN201810620012.2 discloses a PM permanent magnet stepping motor with high heat dissipation efficiency, which includes a stepping motor body, the stepping motor body includes a motor housing, a rotating shaft, ball bearings, a rotor, and permanent magnet steel, the left end of the motor housing is fixedly connected with a front cover through a fixing bolt, and the right end of the motor housing is movably clamped with a heat dissipation type rear cover, the inner cavity of the motor housing is provided with the rotating shaft, and the rotating shaft is sleeved with two ball bearings at intervals, and the heat dissipation type rear cover is provided, so that the heat dissipation efficiency can be effectively improved, and the service life of the motor can be prolonged.
In view of the above-mentioned related technologies, the inventor believes that when the fan dissipates heat to the stepping motor, the vibration of the stepping motor is easily increased, and the normal operation of the stepping motor is affected.
Disclosure of Invention
In order to improve the holistic shock attenuation nature of step motor who is equipped with heat radiation structure, this application provides a special shock attenuation closed loop motor of automation equipment.
The application provides a special shock attenuation closed loop motor of automation equipment adopts following technical scheme:
the utility model provides an automation equipment rotates shock attenuation closed loop motor, includes the casing, the both ends of casing are equipped with front end housing and rear end cap respectively, and are equipped with a set of stator and the rotor that keeps coaxial with the casing in the casing, be equipped with the pivot in the rotor, the casing is equipped with the shell outward, link to each other through damper between shell and the casing, the both ends of pivot are passed front end housing and rear end cap respectively and are fixed with the fan, all be equipped with the fan housing outward to the fan, the both ends at the shell are fixed respectively to two fan housings, the one end that the pivot is close to the front end housing is passed the fan housing that is close to the front end housing and is regarded as the output of motor, the symmetry.
Through adopting above-mentioned technical scheme, the fan is used for the forced heat dissipation of motor, strengthens the radiating effect of motor to more steady when making the motor operation, damper assembly carries out the shock attenuation to the vibrations of casing, makes vibrations be difficult to transmit to shell department, thereby reaches the purpose of strengthening the holistic shock attenuation effect of motor.
Optionally, the shell includes two coaxial sleeves that set up and strides and establish between two sleeves and fix the first fin on the intraductal wall of cover, the motor stabilizer blade is established on sheathed tube outer wall, and motor stabilizer blade and sleeve pipe one-to-one, the fan housing is fixed in the one end that two sleeves were kept away from each other, the outer wall of casing is equipped with the second fin, first fin and second fin one-to-one, damper sets up between first fin and second fin, and damper sets up the multiunit along the axial lead direction of casing.
Through adopting above-mentioned technical scheme, the second fin is used for strengthening the radiating effect of casing, and multiunit damper has promoted the steadiness of casing installation in the shell.
Optionally, the damping component comprises a bottom plate fixed on the second fin, a top plate opposite to the bottom plate and fixed on the first fin, a damping column with one end fixed on the bottom plate and the other end embedded in the top plate, and a rope winding coil wound between the top plate and the bottom plate and located outside the damping column, wherein the bottom plate and the top plate are provided with clamping portions for clamping the rope winding coil.
By adopting the technical scheme, the shock absorption column is used for absorbing shock of the shell, and the rope winding coil enhances the connection stability between the top plate and the bottom plate on one hand, so that the shock absorption effect of the shock absorption column is prevented from being deteriorated due to abnormal deformation of the shock absorption column between the top plate and the bottom plate; on the other hand, the rope winding coil has good ductility, so that the overall damping effect of the motor is further enhanced; furthermore, the rope winding coil has excellent heat conductivity, and heat generated by the motor during operation can be transferred from the casing to the outside of the casing along the second fin, the rope winding coil and the first fin in sequence, so that the heat dissipation effect of the motor is enhanced.
Optionally, positioning assemblies are arranged between the fan housing and the front end cover and between the fan housing and the rear end cover, a limiting ring edge is arranged at one end, close to each other, of each of the two fan housings, and one end, close to the first fin, of the second fin is abutted to the outer side of the limiting ring edge.
Through adopting above-mentioned technical scheme, locating component makes fan housing and casing coaxial arrangement, and the spacing ring is along making the second fin be difficult for causing the improper extrusion to the shock absorber post.
Optionally, the positioning assembly includes an insertion column and a positioning pin, the insertion column is disposed on one side of the fan housing and the front end cover close to each other and one side of the fan housing and the rear end cover close to each other, and two ends of the positioning pin are respectively in insertion fit with the insertion column on the fan housing and the insertion column on the front end cover or the rear end cover.
Through adopting above-mentioned technical scheme, during the assembly, fix the one end of locating pin on the grafting post on front end housing and rear end cap earlier, then align the grafting post on the fan housing with the locating pin and can make fan housing and casing keep coaxial, and then the installation of the second fin of being convenient for.
Optionally, the fan is established fixing base and is fixed the flabellum on the fixing base in the pivot including the cover, flabellum spiral arrangement, key-type connection between fixing base and the pivot, and the pivot has the butt nut at the one end threaded connection that the casing was kept away from to the sleeve pipe.
Through adopting above-mentioned technical scheme, when the pivot rotated, can drive the fan and rotate together to force the heat dissipation to the motor, the user can carry out reasonable selection to the direction of fan according to the mounted position of motor, so that the air current around the motor can smoothly flow.
Optionally, a section of the front end cover and a section of the rear end cover which are far away from each other are both provided with a bearing groove, a rolling bearing is arranged in the bearing groove, a bearing cover is arranged on a notch of the bearing groove, and the bearing cover is provided with a through hole for the rotating shaft to pass through.
By adopting the technical scheme, the rolling bearing reduces the frictional resistance between the shell and the rotating shaft, and the rotating shaft rotates more smoothly, thereby reducing the generation of heat during the working of the motor
Optionally, an inner sealing groove is formed at the bottom of the bearing groove, and an inner sealing ring is arranged in the inner sealing groove; one section of the bearing cover close to the rolling bearing is provided with an outer sealing groove, an outer sealing ring is arranged in the outer sealing groove, and engine oil is filled in the bearing groove.
Through adopting above-mentioned technical scheme, machine oil has not only further strengthened antifriction bearing pivoted smoothness nature to machine oil can also cool down the countershaft, in order to slow down the speed that the motor temperature rose, and interior sealing washer and external seal circle are used for making machine oil be difficult for revealing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the fan is used for forcibly radiating the heat of the motor, so that the heat radiating effect of the motor is enhanced, the motor is more stable in operation, the vibration of the shell is damped by the damping assembly, the vibration is difficult to transfer to the shell, and the aim of enhancing the overall damping effect of the motor is fulfilled;
2. the shock absorption assembly comprises a rope winding coil, and the rope winding coil enhances the heat dissipation effect of the motor while enhancing the overall shock absorption effect of the motor.
Drawings
FIG. 1 is a schematic structural diagram of the whole damping closed-loop motor according to the embodiment of the present application;
FIG. 2 is a cross-sectional view of a damped closed loop motor in an embodiment of the present application;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of a shock absorbing assembly in an embodiment of the present application;
FIG. 5 is an enlarged view of portion B of FIG. 2;
FIG. 6 is a schematic view of the airflow direction of the embodiment of the present application in which two fans are arranged in the same direction;
FIG. 7 is a schematic view of the flow direction of the air flow with two fans arranged in opposite directions in the embodiment of the present application;
fig. 8 is an enlarged view of a portion C in fig. 2.
Description of reference numerals: 1. a housing; 11. a motor support leg; 111. mounting a plate; 112. a via hole; 12. a second fin; 2. a front end cover; 21. a rolling bearing; 22. a bearing cap; 23. an inner seal ring; 24. an outer sealing ring; 3. a rear end cap; 4. a rotor; 41. a rotating shaft; 411. abutting against the nut; 412. a mouth-closing section; 5. a stator; 6. a housing; 61. a sleeve; 611. a countersunk bolt; 62. a first fin; 7. a shock absorbing assembly; 71. a base plate; 711. a clamping part; 72. a top plate; 73. a shock-absorbing post; 74. a rope winding coil; 8. a fan; 81. a fixed seat; 82. a fan blade; 9. a fan housing; 91. air passing holes; 92. a positioning assembly; 921. inserting the column; 922. positioning pins; 93. and a limiting ring edge.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment of the application discloses special shock attenuation closed loop motor of automation equipment. Referring to fig. 1 and 2, the damping closed-loop motor dedicated for the automation equipment includes a housing 1, a front cover 2, a rear cover 3, a rotor 4, a stator 5, and a rotating shaft 41. The stator 5 and the rotor 4 are in a group, the rotor 4 is provided with paired direct-current excited static main magnetic poles, the stator 5 is provided with an armature winding, induced electromotive force is generated after electrification and serves as a rotating magnetic field, and electromagnetic torque is generated for energy exchange. The casing 1, the front cover 2 and the rear cover 3 are provided with peripheral protection parts of a stator 5 and a rotor 4, the stator 5 is fixed on the casing 1, and the rotating shaft 41 is used for fixing the rotor 4.
The casing 1 is in a circular tube shape, that is, two ends of the casing 1 are opened. The front end cover 2 and the rear end cover 3 are respectively arranged at two ends of the casing 1 and used for sealing openings at two ends of the casing 1, and the front end cover 2 and the rear end cover 3 are fixed on the casing 1 through bolts. The casing 1, the front end cover 2 and the rear end cover 3 can be made of aluminum alloy materials, so that the overall weight of the motor is reduced. The stator 5 and the rotor 4 are positioned inside the casing 1, the stator 5, the rotor 4 and the rotating shaft 41 are all coaxial with the casing 1, the rotor 4 is positioned inside the stator 5, and the rotating shaft 41 is fixed inside the rotor 4.
The shell 6 is arranged outside the machine shell 1, and the shell 6 and the machine shell 1 are made of the same material. A damping assembly 7 is arranged between the shell 6 and the machine shell 1. When stator 5 takes place to rotate in rotor 4, the vibrations that stator 5 produced transmit casing 1 to further reach damper 7 department, damper 7 carries out the shock attenuation to the vibrations of casing 1, makes vibrations be difficult to transmit 6 departments of shell, thereby reaches the whole absorbing purpose that carries out of motor. Two motor support legs 11 are symmetrically arranged at two axial ends of the shell 6, and the motor support legs 11 are used for mounting and fixing a motor. The big end of the motor support leg 11 is provided with a mounting plate 111 abutting against the mounting surface, and the mounting plate 111 is provided with a through hole 112 for a bolt to pass through.
Referring to fig. 2 and 3, the housing 6 includes two coaxially disposed sleeves 61 and a first fin 62 disposed between the two sleeves 61, the first fin 62 is provided in plurality at equal intervals along the circumference of the sleeve 61, the first fin 62 is fixed to the inner wall of the sleeve 61, and the sleeve 61 is connected to the sleeve 61 by a countersunk bolt 611. The motor support legs 11 are welded and fixed on the outer wall of the sleeve 61, and the motor support legs 11 correspond to the sleeve 61 one by one. The outer wall of the machine shell 1 is provided with second fins 12, the second fins 12 are arranged at equal intervals along the circumferential direction of the machine shell 1, the second fins 12 correspond to the first fins 62 one by one, and the second fins 12 and the outer wall of the machine shell 1 are of an integral structure. Damper 7 establishes between first fin 62 and second fin 12, and damper 7 is equipped with the multiunit along the axial lead direction of casing 1 to promote the steadiness of casing 1 in shell 6 and strengthen the holistic firm effect of motor.
Referring to fig. 3 and 4, the shock absorbing assembly 7 includes a base plate 71, a top plate 72, a shock absorbing post 73 and a wire coil 74. The bottom plate 71 and the top plate 72 are circular plates made of aluminum alloy materials, the bottom plate 71 is fixed on the second fins 12 in a welding mode, the top plate 72 is opposite to the bottom plate 71, and the top plate 72 is fixed on the first fins 62 in a welding mode. The shock absorption column 73 is arranged between the bottom plate 71 and the top plate 72, one end of the shock absorption column 73 is fixed on the bottom plate 71, the other end of the shock absorption column 73 is embedded into the top plate 72, therefore, a screw rod is fixedly welded on the bottom plate 71, one end, close to the bottom plate 71, of the shock absorption column 73 is in threaded connection with the screw rod, and one end, close to the shock absorption column 73, of the top plate 72 is provided with an embedding groove used for embedding the shock absorption column 73. The shock absorbing column 73 is made of a rubber material, and the shock absorbing column 73 is used for absorbing the shock of the cabinet 1, so that the shock of the cabinet 1 is not easily transmitted to the housing 6. The rope winding coil 74 is wound between the top plate 72 and the bottom plate 71, the rope winding coil 74 is located outside the shock absorption column 73, the rope winding coil 74 is formed by winding a metal wire, preferably a copper wire, and the bottom plate 71 and the top plate 72 are provided with clamping portions 711 for clamping the rope winding coil 74.
The rope winding coil 74 enhances the connection stability between the top plate 72 and the bottom plate 71 on one hand, and avoids the shock absorption effect of the shock absorption column 73 from being poor due to abnormal deformation of the shock absorption column 73 between the top plate 72 and the bottom plate 71; on the other hand, the rope winding coil 74 itself has good ductility, thereby further enhancing the overall shock absorption effect of the motor; further, the cord winding coil 74 has excellent thermal conductivity, and heat generated when the motor operates can be transferred from the casing 1 to the outside of the casing 1 along the second fin 12, the cord winding coil 74 and the first fin 62 in this order, so that the heat dissipation effect of the motor can be enhanced.
Referring to fig. 1 and 2, both ends of the rotation shaft 41 respectively pass through the front cover 2 and the rear cover 3 and are fixed with the fan 8. The fan 8 is used for forcibly dissipating heat of the motor, so that the heat dissipation effect of the motor is further enhanced, and the motor is more stable in operation. The fan 8 is externally provided with a fan cover 9, one end of the fan cover 9 is open, the other end of the fan cover 9 is closed, and the closed section of the fan cover 9 is uniformly provided with air passing holes 91. The two wind shields 9 are respectively fixed at one ends of the two sleeves 61 far away from each other, and the wind shields 9 are connected with the sleeves 61 through flanges and screwed pieces. One end of the rotating shaft 41 close to the front end cover 2 passes through the wind shield 9 close to the front end cover 2 and serves as an output end of the electrode. The hood 9 serves as a shield for the fan 8 to prevent damage to the fan 8 from hitting other objects.
Referring to fig. 2 and 5, the fan 8 includes a fixing base 81 and fan blades 82. The fixed seat 81 is in a circular tube shape, the fixed seat 81 is sleeved on the rotating shaft 41, and the fixed seat 81 is in key connection with the rotating shaft 41; the fan blades 82 are welded and fixed on the fixed seat 81, and the fan blades 82 are spirally arranged. The rotating shaft 41 is connected with an abutting nut 411 at one end of the fixed seat 81 far away from the casing 1 through a thread, and the abutting nut 411 abuts against the fixed seat 81, so that the fixed seat 81 can be locked and fixed on the rotating shaft 41. The shaft 41 is provided with a closing section 412 at the sleeved position of the fixing seat 81, so that a gap is left between the fixing seat 81 and the front end cover 2 or the rear end cover 3 to prevent the fixing seat 81 and the front end cover 2 or the rear end cover 3 from interfering. When the rotating shaft 41 rotates, the fan 8 is driven to rotate together, so that the motor is forced to dissipate heat.
Referring to fig. 6 and 7, in the automation equipment, the motor is often installed and fixed in a narrow space, and according to the difference of installation space, the installation direction of the two fans 8 can be selected, for example, the motor is installed in a space enclosed around the circumference of the motor, and then the two fans 8 can be installed in the same direction, so that the airflow can flow from one end of the motor to the other end of the motor, and the purpose of bringing heat out from the two ends of the housing case 1 is achieved. For example, the motor is installed in a space with both axial ends of the motor closed, the two fans 8 can be installed in opposite directions, and the air flows flow in the direction from both ends of the motor to the middle of the motor, and the two air flows collide with each other and move in the direction away from the machine shell 1 in the circumferential direction of the machine shell 1, so that heat is taken out from the side surface of the machine shell 1.
When the motor is assembled, the stator 5 is fixed on the machine shell 1, the rotor 4 is arranged in the stator 5 in a penetrating mode, the front end cover 2 and the rear end cover 3 are arranged at the two ends of the machine shell 1 respectively, and the two ends of the machine shell 1 are sealed. Then, the fixing seat 81 of the fan 8 is connected with the rotating shaft 41 in a key mode, the abutting nut 411 is screwed into the rotating shaft 41, and the fan 8 is locked and fixed through the abutting nut 411. Then the shock absorption column 73 is screwed into the screw of the bottom plate 71, the second fins 12 correspond to the first fins 62 one by one, one end, far away from the bottom plate 71, of the shock absorption column 73 is embedded into the embedding groove of the top plate 72, then copper wires are wound on the top plate 72 and the bottom plate 71 to form a rope winding coil 74, then the sleeve 61 is sleeved outside the first fins 62, the sleeve 61 is fixed on the first fins 62 through the countersunk head bolts 611, and two motor legs 11 are required to be kept arranged side by side on the fixed sleeve 61. The damper assembly 7 makes it difficult for the vibration of the casing 1 to be transmitted to the housing 6, thereby enhancing the overall damping effect of the motor.
Referring to fig. 2 and 5, in order to make the rotor 4 rotate more smoothly, the ends of the front end cover 2 and the rear end cover 3 away from each other are provided with bearing grooves, and the bearing grooves are located at the ends of the two sleeves 61 close to each other. The rolling bearings 21 are arranged in the bearing grooves, and the two rolling bearings 21 are respectively sleeved at two ends of the rotating shaft 41. The notch of bearing groove all is equipped with bearing cap 22, links to each other through the bolt between the lateral wall of bearing cap 22 and bearing groove, and bearing cap 22 is equipped with the through-hole that supplies pivot 41 to pass. The bearing cap 22 serves as a peripheral shield for the rolling bearing 21 to prevent impurities from entering the bearing grooves and affecting the operation of the rolling bearing 21. The rolling bearing 21 reduces frictional resistance between the housing 1 and the rotating shaft 41, thereby reducing heat generation during operation of the motor.
An inner sealing groove is arranged at the bottom of the bearing groove, and an inner sealing ring 23 is embedded in the inner sealing groove; one end of the bearing cap 22 close to the rolling bearing 21 is provided with an outer sealing groove, and the outer sealing groove is embedded with an outer sealing ring 24. The inner seal ring 23 and the outer seal ring 24 are both spring energy storage seal rings, which mainly comprise a seal shell made of a polymeric material and a spring made of stainless steel metal arranged in the seal shell, and the inner seal ring 23 and the outer seal ring 24 are both in interference fit with the rotating shaft 41. All be filled with machine oil in the bearing groove, the bearing groove should not be filled up to machine oil extrudes when avoiding rotor 4 to rotate. The machine oil not only further enhances the smoothness of the rotation of the rolling bearing 21, but also can cool the rotating shaft 41 so as to slow down the temperature rise rate of the motor, and the inner sealing ring 23 and the outer sealing ring 24 are used for preventing the machine oil from being leaked easily.
Referring to fig. 2 and 3, positioning assemblies 92 are disposed between the fan housing 9 and the front end cover 2 and between the fan housing 9 and the rear end cover 3, so that the fan housing 9 and the casing 1 can be kept coaxial when the fan housing 9 is fixedly mounted. The end of each of the two wind shields 9 close to each other is provided with a limiting ring edge 93, the limiting ring edge 93 is a circular ring formed by the inner wall of the wind shield 9 extending horizontally in the direction close to the casing 1, and the limiting ring edge 93 and the wind shield 9 are of an integral structure. One end of the second fin 12 close to the first fin 62 abuts against the outer side of the limiting ring edge 93, so that when the second fin 12 is installed, the second fin 12 can be kept parallel to the axial line of the machine shell 1, and the second fin 12 is prevented from being inclined at a high end and a low end, so that the shock absorbing column 73 between the first fin 62 and the second fin 12 is extruded abnormally, and the shock absorbing effect of the shock absorbing column 73 is improved.
Referring to fig. 2 and 8, the positioning assembly 92 includes a bayonet column 921 and a positioning pin 922. The inserting columns 921 are disposed on one side of the fan housing 9 and the front end cover 2 close to each other and one side of the fan housing 9 and the rear end cover 3 close to each other, two inserting columns 921 on one fan housing 9 are symmetrically disposed along the axial lead of the housing 1, and the inserting columns 921 on the front end cover 2 or the rear end cover 3 correspond to the inserting columns 921 on the fan housing 9, so that in this embodiment, the number of the inserting columns 921 is eight. The inserting column 921 is integrated with the fan housing 9, the front end cover 2 or the rear end cover 3. The plug column 921 is tapered, and the large end of the plug column 921 is close to the wind cover 9, the front end cover 2, or the rear end cover 3, so that the plug column 921 has sufficient support strength. Two ends of the positioning pin 922 are respectively matched with the insertion column 921 on the fan cover 9 and the insertion column 921 on the front end cover 2 or the rear end cover 3 in an insertion manner, and the positioning pin 922 is a cylindrical pin made of stainless steel. During the assembly, fix the one end grafting of locating pin 922 on the grafting post 921 on front end housing 2 and rear end cover 3 earlier, then align the grafting post 921 on the fan housing 9 with locating pin 922 and can make fan housing 9 and casing 1 keep coaxial, and then the installation of the second fin 12 of being convenient for.
The implementation principle of the special damping closed-loop motor for the automation equipment in the embodiment of the application is as follows: during assembly, the stator 5 is fixed on the casing 1, the rotor 4 is arranged in the stator 5 in a penetrating mode, the front end cover 2 and the rear end cover 3 are arranged at the two ends of the casing 1 respectively, and the two ends of the casing 1 are sealed. Then, the fixing seat 81 of the fan 8 is connected with the rotating shaft 41 in a key mode, the abutting nut 411 is screwed into the rotating shaft 41, and the fan 8 is locked and fixed through the abutting nut 411. Then, the positioning pins 922 are inserted and fixed on the insertion columns 921 of the front end cover 2 and the rear end cover 3, and then the insertion columns 921 of the fan housing 9 are aligned with the positioning pins 922 on the front end cover 2 and the rear end cover 3, so that the fan housing 9 and the enclosure 1 keep coaxial.
Then the shock absorption column 73 is screwed into the screw of the bottom plate 71, the second fins 12 correspond to the first fins 62 one by one, one end of the shock absorption column 73, which is far away from the bottom plate 71, is embedded into the embedding groove of the top plate 72, and when the second fins 12 are fixed, the second fins 12 are abutted to the limiting ring edge 93 on the fan cover 9. Then, copper wires are wound on the top plate 72 and the bottom plate 71 to form a rope winding coil 74, the sleeve 61 is sleeved outside the first fin 62, the sleeve 61 is fixed on the first fin 62 through the countersunk head bolt 611, and the two motor legs 11 are required to be kept arranged side by side on the fixed sleeve 61. The damper assembly 7 makes it difficult for the vibration of the casing 1 to be transmitted to the housing 6, thereby enhancing the overall damping effect of the motor.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an automation equipment rotates shock attenuation closed loop motor, includes casing (1), the both ends of casing (1) are equipped with front end housing (2) and rear end cap (3) respectively, and are equipped with a set of stator (5) and rotor (4) that keep coaxial with casing (1) in casing (1), be equipped with pivot (41), its characterized in that in rotor (4): casing (1) is equipped with shell (6) outward, link to each other through damper unit (7) between shell (6) and casing (1), front end housing (2) and rear end housing (3) are passed respectively and fan (8) are fixed with at the both ends of pivot (41), fan (8) all are equipped with fan housing (9) outward, and the both ends at shell (6) are fixed respectively in two fan housing (9), the one end that pivot (41) are close to front end housing (2) is passed fan housing (9) that are close to front end housing (2) and is regarded as the output of motor, the symmetry is equipped with two motor stabilizer blades (11) on shell (6).
2. The automated equipment rotation damping closed loop motor of claim 1, wherein: the casing (6) include two coaxial settings's sleeve pipe (61) and stride and establish between two sleeve pipes (61) and fix first fin (62) on sleeve pipe (61) inner wall, establish on the outer wall of sleeve pipe (61) motor stabilizer blade (11), and motor stabilizer blade (11) and sleeve pipe (61) one-to-one, the one end of keeping away from each other in two sleeve pipes (61) is fixed in fan housing (9), the outer wall of casing (1) is equipped with second fin (12), first fin (62) and second fin (12) one-to-one, damper assembly (7) are established between first fin (62) and second fin (12), and damper assembly (7) are equipped with the multiunit along the axial lead direction of casing (1).
3. The automated equipment rotation damping closed loop motor of claim 2, wherein: damping component (7) are including fixing bottom plate (71) on second fin (12), relative and fix roof (72) on first fin (62) with bottom plate (71), shock attenuation post (73) and winding between roof (72) and bottom plate (71) and be located the outer wiring coil (74) of shock attenuation post (73) in bottom plate (71) and other end embedding roof (72) are fixed to bottom plate (71), all be equipped with joint portion (711) that are used for wiring coil (74) joint on bottom plate (71) and roof (72).
4. The automated equipment rotation damping closed loop motor of claim 2, wherein: locating components (92) are arranged between the fan covers (9) and the front end cover (2) and between the fan covers (9) and the rear end cover (3), limiting ring edges (93) are arranged at the ends, close to each other, of the two fan covers (9), and the ends, close to the first fins (62), of the second fins (12) are abutted to the outer sides of the limiting ring edges (93).
5. The automated equipment rotation damping closed loop motor of claim 4, wherein: the positioning assembly (92) comprises an inserting column (921) and a positioning pin (922), the inserting column (921) is arranged on one side of the fan cover (9) and the front end cover (2) close to each other and one side of the fan cover (9) and the rear end cover (3) close to each other, and two ends of the positioning pin (922) are respectively matched with the inserting column (921) on the fan cover (9) and the inserting column (921) on the front end cover (2) or the rear end cover (3) in an inserting mode.
6. The automated equipment rotation damping closed loop motor of claim 1, wherein: fan (8) are established fixing base (81) and are fixed flabellum (82) on fixing base (81) on pivot (41) including the cover, flabellum (82) spiral setting, the key-type connection between fixing base (81) and pivot (41), and pivot (41) keep away from one end threaded connection of casing (1) at sleeve pipe (61) and have butt nut (411).
7. The automated equipment rotation damping closed loop motor of claim 1, wherein: one section that front end housing (2) and rear end cap (3) kept away from each other all is equipped with the bearing groove, be equipped with antifriction bearing (21) in the bearing groove, the notch of bearing groove is equipped with bearing cap (22), bearing cap (22) are equipped with the through-hole that supplies pivot (41) to pass.
8. The automated equipment rotation damping closed loop motor of claim 7, wherein: an inner sealing groove is formed in the bottom of the bearing groove, and an inner sealing ring (23) is arranged in the inner sealing groove; one section of the bearing cover (22) close to the rolling bearing (21) is provided with an outer sealing groove, an outer sealing ring (24) is arranged in the outer sealing groove, and engine oil is filled in the bearing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427400.2A CN112615479A (en) | 2020-12-07 | 2020-12-07 | Special shock attenuation closed loop motor of automation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427400.2A CN112615479A (en) | 2020-12-07 | 2020-12-07 | Special shock attenuation closed loop motor of automation equipment |
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| CN112615479A true CN112615479A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011427400.2A Pending CN112615479A (en) | 2020-12-07 | 2020-12-07 | Special shock attenuation closed loop motor of automation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285219A (en) * | 2021-12-29 | 2022-04-05 | 湖北富奈塑业有限公司 | Motor housing capable of effectively reducing motor noise |
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| CN109067064A (en) * | 2018-09-27 | 2018-12-21 | 滁州市润德电子科技有限公司 | A kind of double insulating permanent magnet brushless motors |
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| JP2007082362A (en) * | 2005-09-16 | 2007-03-29 | Hitachi Industrial Equipment Systems Co Ltd | Rotating electric machine |
| JP2010124591A (en) * | 2008-11-19 | 2010-06-03 | Toshiba Corp | Rotary electric machine |
| CN206272399U (en) * | 2016-11-23 | 2017-06-20 | 安徽兴乐健身器材有限公司 | A kind of temperature with high efficiency type motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114285219A (en) * | 2021-12-29 | 2022-04-05 | 湖北富奈塑业有限公司 | Motor housing capable of effectively reducing motor noise |
| CN114285219B (en) * | 2021-12-29 | 2023-08-22 | 湖北富奈塑业有限公司 | Motor housing capable of effectively reducing motor noise |
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Address after: 295 Fumin Road, Lucheng street, Changzhou Economic Development Zone, Jiangsu Province 213000 Applicant after: Changzhou Bohong Electric Appliance Co.,Ltd. Address before: 213000 81 gangbantou, Zhengxin village committee, Lucheng street, Wujin District, Changzhou City, Jiangsu Province Applicant before: Changzhou Bohong Electric Appliance Co.,Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210406 |