A kind of threephase asynchronous casing grinding deviceTechnical field
The invention belongs to motor technology fields, and in particular to a kind of threephase asynchronous casing grinding device.
Background technology
Threephase asynchronous machine is one kind of induction conductivity, is to lean on while accessing 380V three-phase alternating currents（Phase difference 120Degree）A kind of motor of power supply, due to threephase asynchronous rotor from stator rotating excitation field in the same direction, it is differentRotating speed is at rotation, and there are revolutional slips, so being threephase asynchronous.The rotating speed of three-phase asynchronous motor rotor is less than rotary magneticRotating speed, rotor windings because between magnetic field there is relative motion due to generate electromotive force and electric current, and and magnetic field interactionElectromagnetic torque is generated, realizes energy conversion.Compared with monopole asynchronous motor, threephase asynchronous runnability is good, and canSave a variety of materials.By the difference of rotor structure, threephase asynchronous can be divided into two kinds of cage and Wound-rotor type.Cage rotorInduction Motor Structure is simple, reliable for operation, light-weight, cheap, is widely used, and major defect is speed governingIt is difficult.The rotor and stator of wound three-phase asynchronous motor be equally also provided with three-phase windings and by slip ring, brush with it is outerPortion's rheostat connection.Standardsizing rheostat resistance can improve the starting performance of motor and adjust the rotating speed of motor.
The motor grinding device of the prior art has the following problems：1, the inside of threephase asynchronous shell is polished notConvenient, production efficiency is low, and without dedicated grinding device, processing quality is not high；2, the iron filings generated in bruting process mayIt can be diffused into air, cause environmental pollution, and injure the body of staff.
Invention content
To solve the problems mentioned above in the background art.The present invention provides a kind of polishings of threephase asynchronous casingDevice has the characteristics that grinding efficiency is high and environmentally friendly.
To achieve the above object, the present invention provides the following technical solutions：A kind of threephase asynchronous casing grinding device,Including polishing table, sanding component and exhaust fan, driving motor, the end of the driving motor are provided with above the polishing tableSide is provided with connection gear, and side of the connection gear far from driving motor is connected with rotation axis, the driving motorSide is equipped with threephase asynchronous casing, and the bottom of the threephase asynchronous casing is provided with firm banking, describedFirm banking is arranged in the top of polishing table, and the threephase asynchronous casing is internally provided with rotation axis, the rotationThe provided circumferentially about of axis has sanding component, the sanding component to be arranged in the inside of threephase asynchronous casing, the three-phaseThe other side of asynchronous motor casing is provided with exhaust fan, side connection of the exhaust fan far from threephase asynchronous casingThere is dust gathering arrester；
The sanding component includes connecting seat, dry sanding paper, connecting bushing, connecting rod and grinding head, wherein the connecting bushing peaceOn the circumference of rotation axis, provided circumferentially about there are three equally distributed connecting rod, the connecting rod of the connecting bushingSide be provided with connecting seat, the other side of the connecting seat is provided with grinding head, the one of the separate connecting seat of the grinding headSide is provided with dry sanding paper.
Preferably, the connection type of the end of the rotation axis and connection gear is socket.
Preferably, the connection type of the sanding component and threephase asynchronous casing is embedded connection.
Preferably, the rotation axis and the connection type of connecting bushing are to be connected together.
Preferably, the grinding head is mounted on by connecting seat and fastening screw in connecting rod.
Preferably, the dry sanding paper is sticked in by glue on grinding head.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention is embedded in the grinding device inside motor casing by setting, which can be controlled by driving motor and be transportedTurn, have 360 degree of polishing effects without dead angle so that the polishing on the inside of motor casing becomes very convenient, and the matter polishedAmount is higher, improves the total quality of product.
2, the present invention is provided with exhaust fan in side of the motor casing far from driving motor, can will be generated in bruting processIron filings collect in time for processing, and exhaust fan is coaxially used with grinding device, is not required to separately add driving device, is savedProduction cost is saved in the use of electric energy.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the axonometric drawing of the motor casing of the present invention；
Fig. 3 is the structural schematic diagram of sanding component of the present invention；
In figure：1, exhaust fan；2, sanding component；21, connecting seat；22, dry sanding paper；23, connecting bushing；24, connecting rod；25, it beatsBistrique；3, threephase asynchronous casing；4, connection gear；5, driving motor；6, dust gathering arrester；7, rotation axis；8, firm banking；9, polishing table.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, completeSite preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based onEmbodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every otherEmbodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides following technical scheme：A kind of threephase asynchronous casing grinding device, packetPolishing table 9, sanding component 2 and exhaust fan 1 are included, the top of polishing table 9 is provided with driving motor 5, the end side of driving motor 5It is provided with connection gear 4, side of the connection gear 4 far from driving motor 5 is connected with rotation axis 7, the end of rotation axis 7 and connectionThe connection type of gear 4 is socket, and the side of driving motor 5 is equipped with threephase asynchronous casing 3, threephase asynchronousThe bottom of casing 3 is provided with firm banking 8, and firm banking 8 is arranged in the top of polishing table 9, threephase asynchronous casing 3It is internally provided with rotation axis 7, the provided circumferentially about of rotation axis 7 has sanding component 2, sanding component 2 to be arranged in three-phase asynchronous electricThe connection type of the inside of machine casing 3, sanding component 2 and threephase asynchronous casing 3 is embedded connection, three-phase asynchronous electricThe other side of machine casing 3 is provided with exhaust fan 1, and side of the exhaust fan 1 far from threephase asynchronous casing 3 is connected with dust gathering arrester6；
Sanding component 2 includes connecting seat 21, dry sanding paper 22, connecting bushing 23, connecting rod 24 and grinding head 25, wherein connecting shaftSet 23 is mounted on the circumference of rotation axis 7, and the connection type of rotation axis 7 and connecting bushing 23 is to be connected together, connecting bushing 23It is provided circumferentially about there are three equally distributed connecting rod 24, the side of connecting rod 24 is provided with connecting seat 21, connecting seat 21The other side is provided with grinding head 25, and grinding head 25 is mounted on by connecting seat 21 and fastening screw in connecting rod 24, grinding head 25The side of separate connecting seat 21 be provided with dry sanding paper 22, dry sanding paper 22 is sticked in by glue on grinding head 25.
Exhaust fan 1 is the known technology of the extensive utilization and daily life that have disclosed in the present invention, and exhaust fan is called sideAir blower, centrifugal blower, small blast fan are flowed, is a kind of general air source blown or air-breathing is dual-purpose, is typically used for machineryThe air-breathing of equipment, as the term suggests also it is exhaust fan.
The operation principle and process for using of the present invention：Threephase asynchronous casing 3 is fixed to when the present invention uses and is beatenGrind platform 9 top, sanding component 2 is installed to the inside of threephase asynchronous casing 3 so that dry sanding paper 22 with it is phase asynchronousThe inner wall of motor casing 3 is tangent, starts driving motor 5, and rotation axis 7 drives sanding component 2 in threephase asynchronous casing 3Internal rotating, then dry sanding paper 22 polish the inner wall of threephase asynchronous casing 3, at the same time rotation axis 7 goes back bandThe iron filings that the polishing of sanding component 2 generates can be detached in time into dust gathering arrester 6, both accomplish iron by the running of dynamic exhaust fan 1 in timeThe collection of bits is handled, and also reduces the consumption of the energy.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be withUnderstanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replaceAnd modification, the scope of the present invention is defined by the appended.