CN114598092B - Asynchronous motor shell and machining method thereof - Google Patents
Asynchronous motor shell and machining method thereof Download PDFInfo
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- CN114598092B CN114598092B CN202210356211.3A CN202210356211A CN114598092B CN 114598092 B CN114598092 B CN 114598092B CN 202210356211 A CN202210356211 A CN 202210356211A CN 114598092 B CN114598092 B CN 114598092B
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of asynchronous motors, in particular to an asynchronous motor shell and a processing method thereof, which are beneficial to rapid heat dissipation and improvement of the heat dissipation effect; the method comprises the following steps: the heat dissipation device comprises a shell, wherein a plurality of groups of heat dissipation fins are fixedly mounted on the circumferential outer wall of the shell, the interior of each group of heat dissipation fins is hollow, each group of heat dissipation fins is parallel to the axis of the shell, a plurality of groups of heat dissipation holes are arranged between each group of heat dissipation fins and the interior of the shell in a penetrating manner, and fin hiding mechanisms are mounted in each group of heat dissipation fins and used for increasing the heat dissipation area of each heat dissipation fin after being heated; the two ends of the shell are respectively and fixedly provided with a first sealing sheet and a second sealing sheet, the outer walls of the first sealing sheet and the second sealing sheet are respectively provided with a plurality of groups of baffle plates with the same cross sections as the heat dissipation fins corresponding to the plurality of groups of heat dissipation fins, and the baffle plates are used for sealing the two ends of each group of heat dissipation fins.
Description
Technical Field
The invention relates to the technical field of asynchronous motors, in particular to an asynchronous motor shell and a processing method thereof.
Background
The asynchronous motor is also called an induction motor, and is an alternating current motor which generates electromagnetic torque by the interaction of an air gap rotating magnetic field and induced current of a rotor winding so as to convert electromechanical energy into mechanical energy;
in the design of asynchronous motor, need consider the heat dissipation of motor, current heat radiation structure sets up the heat dissipation wing on motor casing mostly, increases the heat radiating area of motor, because asynchronous motor is more in the in-process heat production of electric energy conversion mechanical energy, leads to the heat that simple heat dissipation wing is difficult to deal with the motor and produces, and the radiating effect is relatively poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides an asynchronous motor shell which is beneficial to rapid heat dissipation and improves the heat dissipation effect and a processing method thereof.
The invention relates to an asynchronous motor shell and a processing method thereof, comprising the following steps:
the heat dissipation device comprises a shell, wherein a plurality of groups of heat dissipation fins are fixedly mounted on the circumferential outer wall of the shell, the interior of each group of heat dissipation fins is hollow, each group of heat dissipation fins is parallel to the axis of the shell, a plurality of groups of heat dissipation holes are arranged between each group of heat dissipation fins and the interior of the shell in a penetrating manner, a fin hiding mechanism is mounted in each group of heat dissipation fins, and the fin hiding mechanism is used for increasing the heat dissipation area of each heat dissipation fin after being heated;
the heat dissipation fin comprises a first sealing fin and a second sealing fin, wherein the two ends of the shell are respectively and fixedly provided with the first sealing fin and the second sealing fin, the outer walls of the first sealing fin and the second sealing fin are provided with a plurality of groups of baffle plates with the same heat dissipation fin cross section, and the baffle plates are used for sealing the two ends of each group of heat dissipation fins.
Furthermore, two groups of mounting frames are fixedly arranged inside each group of radiating fins, each group of fin hiding mechanisms comprises two groups of bimetallic strips, one ends, close to the shell, of the two groups of bimetallic strips are fixedly connected with the two groups of mounting frames respectively, and the two groups of bimetallic strips are heated to be bent outwards and return to the initial positions after being cooled;
every group equal slidable mounting in outer end of bimetallic strip has a plurality of groups slide, and it is connected with the side fin to rely on the round pin axle to rotate on every group slide, all run through on two sets of lateral walls of heat dissipation fin and be provided with a plurality of groups side groove, the side groove that the side fin activity was passed on the heat dissipation fin stretches out to the external world, and the side fin stretches out to fixedly on the terminal surface in the external world and is provided with sealed blend stop, the heat dissipation fin corresponds a plurality of groups and seals the blend stop and is provided with a plurality of groups and accomodate the groove for accomodate a plurality of groups sealed blend stop when the bimetallic strip cools off.
In another aspect, a method for processing an asynchronous motor casing comprises the following steps:
s1, obtaining a blank of the shell through casting;
s2, performing primary turning on the blank of the shell according to the processing requirement;
s3, drilling the shell processed in the S2 by using a drilling device, and processing the surface of the shell to obtain a plurality of rows of heat dissipation holes;
s4, deburring the shell processed in the S3;
s5, welding and fixing the groups of radiating fins on the outer wall of the shell, so that the groups of radiating fins are respectively covered on the rows of radiating holes;
s6, inserting and fixing a plurality of groups of bimetallic strips into the two groups of mounting frames in each group of radiating fins respectively, and symmetrically mounting the two groups of bimetallic strips in the same radiating fin;
s7, inserting a plurality of groups of side fins into the radiating fins from side grooves on the side walls of the radiating fins respectively, and rotationally connecting the side fins with the sliding seats on the bimetallic strip through pin shafts;
and S8, fixedly installing the first sealing sheet and the second sealing sheet at two ends of the shell by using countersunk bolts, and enabling the groups of baffles on the first sealing sheet and the second sealing sheet to be in sealing butt joint with two ends of the groups of radiating fins respectively.
Further, the drilling device in S3 includes:
the drilling machine comprises a rack, wherein a vertical plate is vertically and fixedly arranged on the rack, a centering device is rotatably arranged on the vertical plate, a first slide rail is fixedly arranged on the rack, an installation plate is slidably arranged on the first slide rail, the centering device is also rotatably arranged on the installation plate, a second slide rail is fixedly arranged on the vertical plate, a first slide block is slidably arranged on the second slide rail, a cross beam is fixedly arranged on the first slide block, a plurality of groups of first motors are uniformly arranged on the cross beam, and a drill bit is arranged at the output end of each group of the first motors;
the first linear cylinder is fixedly arranged on the rack, the output end of the first linear cylinder is fixedly connected with the mounting plate, and the output extension line of the first linear cylinder is parallel to the first sliding rail;
the vertical plate is provided with a power device, and the power device is used for driving the vertical plate to lift in a reciprocating mode and driving the centering device on the vertical plate to rotate at a certain angle intermittently.
Furthermore, the centering device comprises a first installation shaft rotatably installed on the vertical plate and a transmission disc rotatably sleeved on the first installation shaft, a rotary disc is coaxially and fixedly arranged on the first installation shaft, at least three groups of strip-shaped grooves are arranged on the rotary disc in a circumferential array by taking the axis of the rotary disc as an axis, a second sliding block is slidably installed in each group of the strip-shaped grooves, and a support rod is fixedly arranged at the inner end of each group of the second sliding blocks;
correspond a plurality of groups bar groove on the transmission dish and be provided with the first protruding axle of a plurality of groups, every group all rotate on the first protruding axle and install first connecting rod to a plurality of groups the other end of first connecting rod rotates with the second slider respectively and is connected, be provided with the knob device on the carousel, the knob device is used for driving the transmission dish along the rotatory certain angle of self axis.
Further, the knob device comprises a second protruding shaft fixedly installed on the rotary table and a second linear cylinder rotatably installed on the second protruding shaft, a connecting arm is fixedly arranged on the transmission disc, and the output end of the second linear cylinder is rotatably connected with the connecting arm.
Further, power device includes that U type frame and coaxial fixed cover on the crossbeam establish the epaxial first gear of first installation, rotate on the riser and install second installation axle, the epaxial fixed cover of second installation is equipped with the driving-disc, be provided with tooth on the circumference outer wall of driving-disc, tooth and first gear meshing, it is connected with the second connecting rod to rotate on the driving-disc, the other end and the U type of second connecting rod rotate to be connected, fixed mounting has drive arrangement on the riser, drive arrangement is used for driving the second installation axle and rotates along self axis.
Further, the driving device comprises a second motor fixedly installed on the vertical plate, a second gear is fixedly sleeved on the output end of the second motor, a third gear is further coaxially and fixedly sleeved on the second installation shaft, and the third gear is meshed with the second gear.
Compared with the prior art, the invention has the beneficial effects that: the radiating fins are hollow, the radiating fins are communicated with the shell through the radiating holes, so that heat generated by the asynchronous motor in the operation process enters the plurality of groups of radiating fins, and is led out to the outside by the plurality of groups of radiating fins, and the hidden fin mechanism is arranged in the radiating fins, so that the outer surfaces of the radiating fins extend out of the hidden fins when the temperature in the radiating fins rises, the surface area of the radiating fins is increased, quick radiating is facilitated, and the radiating effect is improved.
Drawings
Fig. 1 is a schematic structural view of an asynchronous motor casing;
FIG. 2 is an exploded view of the housing;
FIG. 3 is a structural cross-sectional view of the housing;
FIG. 4 is an enlarged view of the structure of the part A in FIG. 3;
FIG. 5 is a schematic view of the construction of the drilling apparatus;
FIG. 6 is an enlarged schematic view of the structural connection of the frame with the first linear cylinder, etc.;
FIG. 7 is an enlarged schematic view of the configuration of the centering device;
FIG. 8 is an enlarged schematic view of the structural connection of the first gear to a drive disk or the like;
FIG. 9 is an enlarged view of the structure of the portion B in FIG. 5;
in the drawings, the reference numbers: 1. a housing; 2. heat dissipation fins; 3. heat dissipation holes; 4. a fin hiding mechanism; 5. a first sealing sheet; 6. a second sealing sheet; 7. a mounting frame; 8. a bimetal; 9. a slide base; 10. a side fin; 11. a pin shaft; 12. sealing the barrier strip; 13. a frame; 14. a centering device; 15. a first slide rail; 16. mounting a plate; 17. a first linear cylinder; 18. a vertical plate; 19. a second slide rail; 20. a first slider; 21. a cross beam; 22. a first motor; 23. a drill bit; 24. a power plant; 25. a turntable; 26. a strip-shaped groove; 27. a second slider; 28. a first mounting shaft; 29. a drive plate; 30. a first protruding shaft; 31. a first link; 32. a second protruding shaft; 33. a second linear cylinder; 34. a connecting arm; 35. a U-shaped frame; 36. a first gear; 37. a second mounting shaft; 38. a drive disc; 39. teeth; 40. a second link; 41. a second motor; 42. a second gear; 43. a third gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1 to 4, an asynchronous motor casing of the present invention includes:
the heat dissipation device comprises a shell 1, wherein a plurality of groups of heat dissipation fins 2 are fixedly mounted on the circumferential outer wall of the shell 1, the interior of each group of heat dissipation fins 2 is hollow, each group of heat dissipation fins 2 is parallel to the axis of the shell 1, a plurality of groups of heat dissipation holes 3 are arranged between each group of heat dissipation fins 2 and the interior of the shell 1 in a penetrating manner, a fin hiding mechanism 4 is mounted in each group of heat dissipation fins 2, and the fin hiding mechanism 4 is used for increasing the heat dissipation area of each heat dissipation fin 2 after being heated;
the heat dissipation device comprises a first sealing sheet 5 and a second sealing sheet 6, wherein the first sealing sheet 5 and the second sealing sheet 6 are fixedly installed at two ends of the shell 1 respectively, and a plurality of groups of baffles with the same cross section as that of each group of heat dissipation fins 2 are arranged on the outer walls of the first sealing sheet 5 and the second sealing sheet 6 corresponding to the plurality of groups of heat dissipation fins 2 and used for sealing two ends of each group of heat dissipation fins 2;
two groups of mounting frames 7 are fixedly arranged in each group of radiating fins 2, each group of fin hiding mechanisms 4 comprises two groups of bimetallic strips 8, one ends, close to the shell 1, of the two groups of bimetallic strips 8 are fixedly connected with the two groups of mounting frames 7 respectively, and the two groups of bimetallic strips 8 are heated to be bent outwards and return to the initial positions after being cooled;
a plurality of groups of sliding seats 9 are slidably mounted at the outer end of each group of bimetallic strips 8, each group of sliding seats 9 is rotatably connected with a side fin 10 by a pin shaft 11, a plurality of groups of side grooves are arranged on two groups of side walls of each radiating fin 2 in a penetrating manner, the side fins 10 movably penetrate through the side grooves on the radiating fins 2 to extend out to the outside, sealing barrier strips 12 are fixedly arranged on the end surfaces of the side fins 10 extending out to the outside, and the radiating fins 2 are provided with a plurality of groups of accommodating grooves corresponding to the plurality of groups of sealing barrier strips 12 and used for accommodating the plurality of groups of sealing barrier strips 12 when the bimetallic strips 8 are cooled;
in the embodiment, the heat dissipation fins 2 are hollow, the heat dissipation fins 2 are communicated with the shell 1 through the heat dissipation holes 3, so that heat generated by the asynchronous motor in the operation process enters the plurality of groups of heat dissipation fins 2, and is led out to the outside through the plurality of groups of heat dissipation fins 2, and the hidden fin mechanisms 4 are arranged in the heat dissipation fins 2, so that when the temperature in the heat dissipation fins 2 rises, the hidden fins extend out of the outer surfaces of the heat dissipation fins 2, the surface area of the heat dissipation fins 2 is increased, quick heat dissipation is facilitated, and the heat dissipation effect is improved; the bimetallic strips 8 are symmetrically arranged in the radiating fins 2, and the characteristic that the bimetallic strips 8 are heated and bent is utilized to enable the two groups of bimetallic strips 8 to be bent towards two sides when the temperature in the radiating fins 2 rises, so that the sliding seat 9 and the side fins 10 are pushed to extend out of the inside of the radiating fins 2, and the purpose of increasing the surface area of the radiating fins 2 can be achieved.
A processing method of an asynchronous motor shell comprises the following steps:
s1, obtaining a blank of the shell 1 through casting;
s2, performing primary turning on the blank of the shell 1 according to the processing requirement;
s3, drilling the shell 1 processed in the S2 by using a drilling device, and processing the surface of the shell 1 to obtain a plurality of rows of heat dissipation holes 3;
s4, performing deburring treatment on the shell 1 processed in the S3;
s5, welding and fixing the groups of radiating fins 2 on the outer wall of the shell 1, and covering the groups of radiating fins 2 on the rows of radiating holes 3 respectively;
s6, a plurality of groups of bimetallic strips 8 are respectively inserted and fixed on the two groups of mounting frames 7 in each group of radiating fins 2, and the two groups of bimetallic strips 8 in the same radiating fin 2 are symmetrically mounted;
s7, inserting a plurality of groups of side fins 10 into the radiating fins 2 from side grooves on the side walls of the radiating fins 2 respectively, and rotationally connecting the side fins with a sliding seat 9 on a bimetallic strip 8 through a pin shaft 11;
and S8, fixedly installing the first sealing sheet 5 and the second sealing sheet 6 at two ends of the shell 1 by using countersunk bolts, and enabling a plurality of groups of baffles on the first sealing sheet 5 and the second sealing sheet 6 to be in sealing butt joint with two ends of a plurality of groups of radiating fins 2 respectively.
As a preferable mode of the above-described technical solution, as shown in fig. 5 to 6, the drilling device in S3 includes:
the device comprises a rack 13, wherein a vertical plate 18 is vertically and fixedly arranged on the rack 13, a centering device 14 is rotatably arranged on the vertical plate 18, a first slide rail 15 is fixedly arranged on the rack 13, an installation plate 16 is slidably arranged on the first slide rail 15, the centering device 14 is also rotatably arranged on the installation plate 16, a second slide rail 19 is fixedly arranged on the vertical plate 18, a first slide block 20 is slidably arranged on the second slide rail 19, a cross beam 21 is fixedly arranged on the first slide block 20, a plurality of groups of first motors 22 are uniformly arranged on the cross beam 21, and a drill bit 23 is arranged at the output end of each group of first motors 22;
the first linear air cylinder 17 is fixedly arranged on the frame 13, the output end of the first linear air cylinder 17 is fixedly connected with the mounting plate 16, and the output extension line of the first linear air cylinder 17 is parallel to the first slide rail 15;
the power device 24 is arranged on the vertical plate 18, and the power device 24 is used for driving the vertical plate 18 to reciprocate and simultaneously driving the centering device 14 on the vertical plate 18 to intermittently rotate for a certain angle;
in this embodiment, the first linear cylinder 17 is started to keep the two sets of centering devices 14 away from each other, the housing 1 is placed between the two sets of centering devices 14, the first linear cylinder 17 is started again to enable the left centering device 14 to be close to the housing 1 until the two sets of centering devices 14 clamp the housing 1, the two sets of centering devices 14 are started synchronously to enable the two sets of centering devices 14 to coaxially center the housing 1, then the power device 24 is started to enable the power device 24 to drive the cross beam 21 to descend, at this time, the housing 1 is kept still, the sets of first motors 22 are started to enable the sets of drill bits 23 to drill the surface of the housing 1, then the power device 24 drives the cross beam 21 to ascend, when the power device 24 ascends to the highest point, the power device 24 drives the centering devices 14 to drive the housing 1 to rotate for a certain angle, then the movement process of the cross beam 21 is repeated until the surfaces of the rows of heat dissipation holes 3 are machined on the surface of the housing 1, and through the above setting, the drilling treatment on the surface of the housing 1 is facilitated, and the machining efficiency is improved.
Preferably, as shown in fig. 7, the centering device 14 includes a first mounting shaft 28 rotatably mounted on the vertical plate 18 and a transmission disc 29 rotatably sleeved on the first mounting shaft 28, a rotary disc 25 is coaxially and fixedly disposed on the first mounting shaft 28, at least three groups of strip-shaped grooves 26 are penetratingly disposed on the rotary disc 25 in a circumferential array with an axis of the rotary disc as an axis, a second slider 27 is slidably mounted inside each group of the strip-shaped grooves 26, and a support rod is fixedly disposed at an inner end of each group of the second sliders 27;
a plurality of groups of first protruding shafts 30 are arranged on the transmission disc 29 corresponding to the plurality of groups of strip-shaped grooves 26, a first connecting rod 31 is rotatably mounted on each group of first protruding shafts 30, the other ends of the plurality of groups of first connecting rods 31 are respectively rotatably connected with the second sliding block 27, and a knob device is arranged on the rotary disc 25 and used for driving the transmission disc 29 to rotate by a certain angle along the axis of the rotary disc 29;
in this embodiment, by starting the knob device, the knob device drives the transmission disc 29 to rotate along its axis, and the three groups of second sliding blocks 27 are driven to synchronously move along the three groups of strip-shaped grooves 26 respectively under the connecting action of the three groups of first connecting rods 31, so that the three groups of supporting rods support and center the inside of the casing 1.
Preferably, as shown in fig. 7, the turning device includes a second protruding shaft 32 fixedly mounted on the rotating disc 25 and a second linear cylinder 33 rotatably mounted on the second protruding shaft 32, the driving disc 29 is fixedly provided with a connecting arm 34, and an output end of the second linear cylinder 33 is rotatably connected to the connecting arm 34;
in the present embodiment, the second linear air cylinder 33 is extended or shortened by activating the second linear air cylinder 33, and since the second linear air cylinder 33 is rotatably mounted on the rotary plate 25, the second linear air cylinder 33 pushes the transmission plate 29 to rotate along the axis of the first mounting shaft 28 under the connecting action of the connecting arm 34, and the rotation angle can be adjusted at any angle.
As shown in fig. 8 to 9, preferably, the power device 24 includes a U-shaped frame 35 fixedly mounted on the cross beam 21 and a first gear 36 coaxially and fixedly sleeved on the first mounting shaft 28, the vertical plate 18 is rotatably mounted with a second mounting shaft 37, the second mounting shaft 37 is fixedly sleeved with a driving plate 38, a circumferential outer wall of the driving plate 38 is provided with teeth 39, the teeth 39 are engaged with the first gear 36, the driving plate 38 is rotatably connected with a second connecting rod 40, the other end of the second connecting rod 40 is rotatably connected with the U-shaped frame 35, and the vertical plate 18 is fixedly mounted with a driving device for driving the second mounting shaft 37 to rotate along its axis;
as shown in fig. 8 to 9, the driving device includes a second motor 41 fixedly mounted on the vertical plate 18, a second gear 42 is fixedly sleeved on an output end of the second motor 41, a third gear 43 is also coaxially and fixedly sleeved on the second mounting shaft 37, and the third gear 43 is meshed with the second gear 42;
in this embodiment, the second motor 41 is started, the second gear 42 drives the third gear 43 to rotate, the second mounting shaft 37 drives the driving disc 38 to rotate, in the rotation process of the driving disc 38, the U-shaped frame 35 drives the first slider 20 and the cross beam 21 to reciprocate under the connection action of the second connecting rod 40, the teeth 39 are arranged at opposite ends of the connection point between the driving disc 38 and the second connecting rod 40, when the cross beam 21 is lifted to the highest position, the teeth 39 are engaged with the first gear 36 to drive the first gear 36 to rotate by a certain angle, so that the first mounting shaft 28 drives the turntable 25 and the stay bar to rotate by a certain angle, the housing 1 rotates by a certain angle, and the housing 1 is driven to intermittently rotate by a certain angle while controlling the cross beam 21 to reciprocate.
According to the asynchronous motor shell and the processing method thereof, the installation mode, the connection mode or the setting mode are common mechanical modes, and the asynchronous motor shell can be implemented as long as the beneficial effects of the asynchronous motor shell can be achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. An induction motor housing, comprising:
the heat dissipation device comprises a shell (1), wherein a plurality of groups of heat dissipation fins (2) are fixedly mounted on the circumferential outer wall of the shell (1), each group of heat dissipation fins (2) is hollow, each group of heat dissipation fins (2) is parallel to the axis of the shell (1), a plurality of groups of heat dissipation holes (3) penetrate between each group of heat dissipation fins (2) and the interior of the shell (1), a fin hiding mechanism (4) is mounted in each group of heat dissipation fins (2), and the fin hiding mechanism (4) is used for increasing the heat dissipation area of the heat dissipation fins (2) after being heated;
the heat dissipation structure comprises a first sealing sheet (5) and a second sealing sheet (6), wherein the first sealing sheet (5) and the second sealing sheet (6) are fixedly installed at two ends of the shell (1) respectively, and a plurality of groups of baffle plates with the same section as that of each heat dissipation fin (2) are arranged on the outer walls of the first sealing sheet (5) and the second sealing sheet (6) corresponding to a plurality of groups of heat dissipation fins (2);
two groups of mounting frames (7) are fixedly arranged in each group of heat dissipation fins (2), each group of fin hiding mechanisms (4) comprises two groups of bimetallic strips (8), one ends, close to the shell (1), of the two groups of bimetallic strips (8) are fixedly connected with the two groups of mounting frames (7) respectively, and the two groups of bimetallic strips (8) are heated to be bent outwards and return to the initial positions after being cooled;
every group the equal slidable mounting in outer end of bimetallic strip (8) has a plurality of groups slide (9), relies on round pin axle (11) to rotate on every group slide (9) to be connected with side wing (10), all run through on two sets of lateral walls of heat dissipation wing (2) and be provided with a plurality of groups side groove, side wing (10) activity is passed the side groove on heat dissipation wing (2) and is stretched out to the external world, and side wing (10) are stretched out and are fixedly on the terminal surface in the external world and be provided with sealed blend stop (12), heat dissipation wing (2) correspond a plurality of groups sealed blend stop (12) and are provided with a plurality of groups and accomodate the groove.
2. The method for processing the casing of the asynchronous motor according to claim 1, characterized by comprising the following steps:
s1, obtaining a blank of the shell (1) through casting;
s2, carrying out primary turning on the blank of the shell (1) according to the processing requirement;
s3, drilling the shell (1) processed in the S2 by using a drilling device, and processing the surface of the shell (1) to obtain a plurality of rows of heat dissipation holes (3);
s4, deburring the shell (1) processed in the S3;
s5, welding and fixing a plurality of groups of radiating fins (2) on the outer wall of the shell (1) so that the plurality of groups of radiating fins (2) are respectively covered on a plurality of rows of radiating holes (3);
s6, a plurality of groups of bimetallic strips (8) are respectively inserted and fixed on the two groups of mounting frames (7) in each group of radiating fins (2), and the two groups of bimetallic strips (8) in the same radiating fin (2) are symmetrically mounted;
s7, inserting a plurality of groups of side fins (10) into the heat dissipation fins (2) from side grooves on the side walls of the heat dissipation fins (2) respectively, and rotationally connecting the side fins with a sliding seat (9) on a bimetallic strip (8) through a pin shaft (11);
and S8, fixedly installing the first sealing sheet (5) and the second sealing sheet (6) at two ends of the shell (1) by using countersunk bolts, and enabling a plurality of groups of baffles on the first sealing sheet (5) and the second sealing sheet (6) to be in sealing butt joint with two ends of a plurality of groups of radiating fins (2) respectively.
3. The method for processing the casing of the asynchronous motor according to claim 2, wherein the drilling device in S3 comprises:
the automatic centering device comprises a rack (13), wherein a vertical plate (18) is vertically and fixedly arranged on the rack (13), a centering device (14) is rotatably arranged on the vertical plate (18), a first sliding rail (15) is fixedly arranged on the rack (13), an installation plate (16) is slidably arranged on the first sliding rail (15), the centering device (14) is also rotatably arranged on the installation plate (16), a second sliding rail (19) is fixedly arranged on the vertical plate (18), a first sliding block (20) is slidably arranged on the second sliding rail (19), a cross beam (21) is fixedly arranged on the first sliding block (20), a plurality of groups of first motors (22) are uniformly arranged on the cross beam (21), and a drill bit (23) is arranged at the output end of each group of the first motors (22);
the device comprises a first straight line cylinder (17), wherein the first straight line cylinder (17) is fixedly installed on a rack (13), the output end of the first straight line cylinder (17) is fixedly connected with an installation plate (16), and the output extension line of the first straight line cylinder (17) is parallel to a first sliding rail (15);
the vertical plate (18) is provided with a power device (24), the power device (24) is used for driving the vertical plate (18) to reciprocate and lift, and meanwhile the centering device (14) on the vertical plate (18) is driven to intermittently rotate for a certain angle.
4. The machining method of the asynchronous motor shell according to claim 3, wherein the centering device (14) comprises a first mounting shaft (28) rotatably mounted on the vertical plate (18) and a transmission disc (29) rotatably sleeved on the first mounting shaft (28), a rotary disc (25) is coaxially and fixedly arranged on the first mounting shaft (28), at least three groups of strip-shaped grooves (26) are arranged on the rotary disc (25) in a penetrating manner in a circumferential array by taking the axis of the rotary disc as the axis, a second sliding block (27) is slidably mounted in each group of the strip-shaped grooves (26), and a support rod is fixedly arranged at the inner end of each group of the second sliding blocks (27);
it is provided with the first protruding axle (30) of a plurality of groups, every group to correspond a plurality of groups bar groove (26) on transmission dish (29) all rotate on first protruding axle (30) and install first connecting rod (31), and a plurality of groups the other end of first connecting rod (31) rotates with second slider (27) respectively and is connected, be provided with the knob device on carousel (25), the knob device is used for driving transmission dish (29) along self axis rotation certain angle.
5. The method for processing the casing of the asynchronous motor according to claim 4, wherein the knob device comprises a second protruding shaft (32) fixedly installed on the rotating disc (25) and a second linear cylinder (33) rotatably installed on the second protruding shaft (32), the driving disc (29) is fixedly provided with a connecting arm (34), and the output end of the second linear cylinder (33) is rotatably connected with the connecting arm (34).
6. The method for processing the casing of the asynchronous motor according to claim 5, wherein the power device (24) includes a U-shaped frame (35) fixedly mounted on the cross beam (21) and a first gear (36) coaxially fixedly sleeved on the first mounting shaft (28), a second mounting shaft (37) is rotatably mounted on the vertical plate (18), a driving plate (38) is fixedly sleeved on the second mounting shaft (37), teeth (39) are provided on an outer circumferential wall of the driving plate (38), the teeth (39) are engaged with the first gear (36), a second connecting rod (40) is rotatably connected to the driving plate (38), the other end of the second connecting rod (40) is rotatably connected to the U-shaped frame (35), and a driving device is fixedly mounted on the vertical plate (18) and used for driving the second mounting shaft (37) to rotate along its axis.
7. The method for processing the casing of the asynchronous motor according to claim 6, wherein the driving device comprises a second motor (41) fixedly installed on the vertical plate (18), a second gear (42) is fixedly sleeved on an output end of the second motor (41), a third gear (43) is further coaxially and fixedly sleeved on the second installation shaft (37), and the third gear (43) is meshed with the second gear (42).
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