CN212063787U - Trimming device for large-scale embedded stator - Google Patents
Trimming device for large-scale embedded stator Download PDFInfo
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- CN212063787U CN212063787U CN202020543069.XU CN202020543069U CN212063787U CN 212063787 U CN212063787 U CN 212063787U CN 202020543069 U CN202020543069 U CN 202020543069U CN 212063787 U CN212063787 U CN 212063787U
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Abstract
The utility model discloses a trimming device for large-scale rule stator, the positioning mandrel is connected on the plastic chassis of shaping device body, and the positioning mandrel upwards extends, and the plastic overcoat is connected with the plastic chassis and forms plastic circular arc five in, establishes the plastic pressure disk of plastic groove three and cup joints with the positioning shaft of positioning mandrel upper end four, and plastic groove three of plastic pressure disk is relative and correspond with five positions of plastic circular arc and the shape after the enameled wire coil at specification and rule stator is maintained accords with, the utility model discloses can adorn on the hydraulic press, can once only trim the irregular enameled wire coil at rule stator both ends into the settlement shape in step, eliminated the irregular problem of manual repairment, also wholly improved work efficiency, reduce the processing cost, be fit for large-scale rule stator and maintain in batches and use.
Description
Technical Field
The utility model relates to a trimming device for large-scale rule stator.
Background
The motor that uses in manufacturing enterprises such as power plant, smeltery, cement plant is powerful large-scale motor basically, and power is from several hundred kilowatts to several ten thousand kilowatts, in the application, because of the trouble, damage, burn out and need repair, the repair range covers rotor maintenance, enameled wire winding change etc. maintenance after the rule stator damages needs all to take out original enameled wire that inlays in the stator iron core inslot, later coil new enameled wire according to technical parameter and constitute the winding, later imbed the winding in the stator iron core, as shown in fig. 5: after the wire of the wire-inserting stator 1001 is inserted, the enameled coil 1003 is inserted into the wire slot of the stator core 1002, two ends of the enameled coil 1003 are irregular at two ends of the stator core 1002, the enameled coil 1003 exposed outside the two ends of the stator core 1002 needs to be trimmed and is trimmed to be circular arc shape, so that the maximum diameter of the outer circular arc 1004 is smaller than the diameter of the outer circle of the stator core 1002 by more than 3mm, and the phenomenon that the enameled coil 1003 is contacted with the wire-inserting stator 1002 to cause ground short circuit when the wire-inserting stator 10011001 is connected with a motor shell is avoided, the minimum diameter of the inner circular arc 1005 is larger than the diameter of the inner hole of the stator core 1002 by more than 3mm, and the phenomenon that the enameled coil 1003 is contacted with a rotor rotating during working when the motor is integrally installed is avoided, and in conventional actual production, most enterprises adopt a manual trimming mode to trim the shape of the enameled coil 1003 after the wire-inserting stator 1001 by adopting a manual mode, and adopt, the enameled coil 1003 is deformed into a set range size and a simple plug is used to measure whether the requirement is met, but the trimming method similar to manual tapping has the disadvantages that: firstly, the working efficiency is low, and the production precision is greatly influenced; secondly, the labor cost is high, and the production cost is too high; thirdly, the manually-finished enameled coil 1003 is irregular and different in shape, the maximum diameter of the outer arc I1004 can only be smaller than the unilateral 3mm of the outer circle diameter of the stator core 1002, the minimum diameter of the inner arc I1005 is larger than the unilateral 3mm of the inner hole diameter of the stator core 1002, each enameled coil 1003 is loose and easy to rebound in stress deformation before dip coating fixation after finishing and inspection, the size is out of tolerance, the secondary finishing is carried out in a longer time in actual assembly, and the insulating varnish of the enameled wire is easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a trimming device for large-scale rule stator, positioning core axle is connected on the plastic chassis of shaping device body, positioning core axle upwards extends, the plastic overcoat is connected with the plastic chassis and forms plastic circular arc five in, establishes the plastic pressure disk of plastic groove three and cup joints with positioning core axle upper end location axle four, plastic groove three of plastic pressure disk and plastic circular arc five positions are relative and correspond and the specification accords with the enameled wire coil of rule stator after the maintenance, the utility model discloses can adorn on the hydraulic press, can once only in step repair into the irregular enameled wire coil at rule stator both ends and set for the shape, eliminated the irregular problem of manual maintenance, also wholly improved work efficiency, reduce the processing cost, be fit for large-scale rule stator batch finishing application.
In order to achieve the above purpose, the technical scheme of the utility model is that: a trimming device for a large-scale inserted stator comprises a trimming device body, wherein the trimming device body is provided with a trimming chassis, a first connecting hole with an upward hole opening is formed in a chassis main body of the trimming chassis, a first positioning step is arranged on the chassis main body, a second positioning step is arranged at the upper end of the first positioning step, a first trimming arc is arranged at the upper end of the second positioning step, and the first trimming arc extends upwards to be connected with the circumferential wall of a first positioning shaft;
a fixed shaft is arranged at the lower end of a second positioning shaft of the positioning mandrel, a fourth positioning shaft is arranged at the upper end of the second positioning shaft, and the fixed shaft is fixedly connected with a first connecting hole of the shaping chassis;
a positioning through hole is formed in the outer sleeve main body of the shaping outer sleeve, a positioning counter bore is arranged at the lower end of the positioning through hole, a shaping hole II is arranged at the upper end of the positioning through hole, a shaping arc II is arranged at the bottom of the shaping hole II and is smoothly connected with the upper end face of the positioning through hole, after the shaping outer sleeve is sleeved with the shaping chassis 1, the positioning counter bore is sleeved with the positioning step I, the positioning through hole is sleeved with the positioning step II, and the shaping arc II is smoothly connected with the shaping arc I to form a shaping arc V;
the pressure disk main part of plastic pressure disk sets for bit hole three, establishes whole groove three in the side end face of pressure disk main part, the tank bottom inboard in whole groove three is established the fillet three, and the tank bottom outside in whole groove three is established the fillet four, and the plastic groove three of plastic pressure disk is down, to locating hole three and four swing joint of location axle, and plastic chassis, plastic overcoat, plastic pressure disk and the whole module formula of location dabber are connected and are constituted the shaping device body.
And the shaping arc five corresponds to the shaping groove three in position and is consistent in shape.
The coaxiality of the first positioning step, the second positioning step, the first shaping arc and the first positioning shaft and the first connecting hole is not more than 0.02 mm.
And the coaxiality of the second positioning shaft, the second fixing shaft and the fourth positioning shaft is not more than 0.02 mm.
And the coaxiality of the second shaping hole, the second shaping arc, the positioning through hole and the positioning counter bore is not more than 0.02 mm.
And the clearance between the positioning hole III and the positioning shaft IV in movable fit is not more than 0.05 mm.
The diameters of the inner rings of the shaping groove III and the shaping arc V are larger than the diameter of the inner hole of the stator core and are not smaller than 6mm, and the diameters of the outer rings of the shaping groove III and the shaping arc V are smaller than the diameter of the stator core and are not smaller than 6 mm.
The utility model has the advantages that: the utility model discloses can adorn on the hydraulic press, can once only be in step repair the irregular enameled coil at rule stator both ends to set for the shape, eliminated the irregular problem of manual repairment, also wholly improved work efficiency, reduce the processing cost, be fit for large-scale rule stator and repair the application in batches.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic connection diagram of FIG. 1;
FIG. 4 is a view of FIG. 1 and the inserted wire stator being trimmed;
fig. 5 is a schematic view of a rule stator.
In the figure: the shaping base plate 1, the base plate main body 101, the first positioning step 102, the second positioning step 103, the first shaping arc 104, the first positioning shaft 105, the first connecting hole 106, the shaping outer sleeve 2, the outer sleeve main body 201, the second shaping hole 202, the second shaping arc 203, the positioning through hole 204, the positioning counter bore 205, the shaping pressure plate 3, the pressure plate main body 301, the third positioning hole 302, the third shaping groove 303, the third fillet 304, the fourth fillet 305, the positioning mandrel 4, the second positioning shaft 401, the fixing shaft 402, the fourth positioning shaft 403, the shaping device main body 5, the fifth shaping arc 501, the coil inserting stator 1001, the stator core 1002, the enameled coil 1003, the first outer arc 1004 and the first inner arc 1005.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1 to 3, a trimming device for a large-sized inserted stator, a trimming device body 5 is formed by integrally connecting a trimming chassis 1, a trimming outer sleeve 2, a trimming pressure plate 3 and a positioning mandrel 4 in a modular manner, a chassis main body 101 of the trimming chassis 1 is internally provided with a connecting hole I106 with an upward hole opening, the chassis main body 101 is provided with a positioning step I102, the upper end of the positioning step I102 is provided with a positioning step II 103, the upper end of the positioning step II 103 is provided with a trimming arc I104, and the trimming arc I104 extends upwards to be connected with the circumferential wall of a positioning shaft I105;
the lower end of a second positioning shaft 401 of the positioning mandrel 4 is provided with a fixed shaft 402, the diameter of the second positioning shaft 401 is consistent with the diameter of an inner hole of a stator core 1002, when the positioning mandrel is applied, the stator core 1002 is sleeved outside the second positioning shaft 401 for centering, a fourth positioning shaft 403 is arranged at the upper end of the second positioning shaft 401, and the fixed shaft 402 is fixedly connected with a first connecting hole 106 of the shaping chassis 1; a positioning through hole 204 is formed in the outer sleeve main body 201 of the shaping outer sleeve 2, a positioning counter bore 205 is formed in the lower end of the positioning through hole 204, a second shaping hole 202 is formed in the upper end of the positioning through hole 204, a second shaping arc 203 is formed at the bottom of the second shaping hole 202 and is smoothly connected with the upper end face of the positioning through hole 204, after the shaping outer sleeve 2 is sleeved with the shaping chassis 1, the positioning counter bore 205 is sleeved with a first positioning step 102, the positioning through hole 204 is sleeved with a second positioning step 103, and the second shaping arc 203 is smoothly connected with a first shaping arc 104 to form a fifth shaping arc;
the pressing disc main body 301 of the shaping pressing disc 3 is provided with a third positioning hole 302, a third shaping groove 303 is arranged in the end face of one side of the pressing disc main body 301, a third fillet 304 is arranged on the inner side of the bottom of the third shaping groove 303, a fourth fillet 305 is arranged on the outer side of the bottom of the third shaping groove 303, the third shaping groove 303 of the shaping pressing disc 3 faces downwards, the third positioning hole 302 is movably connected with the fourth positioning shaft 403, and the shaping chassis 1, the shaping outer sleeve 2, the shaping pressing disc 3 and the positioning mandrel 4 are integrally connected in a modular mode to form the shaping device.
The shaping arc five 501 corresponds to the shaping groove three 303 in position and is consistent in shape, so that the outer arcs one 1004 and the inner arcs one 1005 of the enamelled coils 1003 at two ends of the stator core 1002 of the trimmed coil inserting stator 1001 are consistent, the enamelled coils 1003 are compact, stress rebound is not easy to occur, and the problem of stress rebound is solved.
The coaxiality of the first positioning step 102, the second positioning step 103, the first shaping arc 104, the first positioning shaft 105 and the first connecting hole 106 is not more than 0.02mm, and the integral installation is facilitated during working.
The coaxiality of the second positioning shaft 401, the fixed shaft 402 and the fourth positioning shaft 403 is not more than 0.02mm, and the whole installation is convenient during working.
The coaxiality of the second shaping hole 202, the second shaping arc 203, the positioning through hole 204 and the positioning counter bore 205 is not more than 0.02 mm.
The clearance between the third positioning hole 302 and the fourth positioning shaft 403 is not more than 0.05 mm.
The diameters of the inner rings of the shaping groove III 303 and the shaping arc V501 are larger than the diameter of the inner hole of the stator core 1002 and are not smaller than 6mm, and the diameters of the outer rings of the shaping groove III 303 and the shaping arc V501 are smaller than the diameter of the stator core 1002 and are not smaller than 6 mm.
When the device is applied, a hydraulic press is generally adopted for working, the shaping device body 5 is placed on a workbench of the hydraulic press, the shaping chassis 1 of the shaping device body 5 can be selectively fixed with the workbench of the hydraulic press or can be selected to be unfixed and movable, the shaping pressure plate 3 is taken down, the inserted wire stator 1001 to be trimmed is placed at the upper end, the inner hole of the stator core 1002 is connected and positioned with the second positioning shaft 401, the stator core 1002 is straightened, the enameled coil 1003 at the lower end of the stator core 1002 is placed in the upper hole of the shaping arc five 501, the shaping pressure plate 3 is installed after the positioning hole three 302 is connected with the fourth positioning shaft 403, the three shaping grooves 303 are buckled at the upper edge of the enameled coil 1003 at the upper end of the stator core 1002, the hydraulic press is started to press the shaping pressure plate 3 downwards until the lower end face of the shaping pressure plate 3 is attached to the upper end face of the stator core 1002, the pressure head of the hydraulic press the shaping pressure plate 3 to the set position to synchronously press the stator core 1002 containing the, the three shaping grooves 303 are used for trimming and shaping the enameled coil 1003 at the upper end of the stator core 1002 synchronously, the five shaping circular arcs 501 are used for trimming and shaping the enameled coil 1003 at the lower end of the stator core 1002 synchronously, and the trimming operation of the whole embedded stator 1001 is completed at one time.
In practice, the upper opening of the shaping arc five 501 and the upper opening of the shaping groove three 303 are both provided with arc angles, so that smooth entry of the enameled wire in operation is facilitated, and scratching can be avoided. Before the shaping device body 5 is actually used, the surface is polished and then chrome is plated after acute-angle blunt processing is carried out.
The utility model discloses the dress can once only be in step repaiies the irregular enameled coil at rule stator both ends into the settlement shape on the hydraulic press, has eliminated the irregular problem of manual repairment, has also wholly improved work efficiency, reduces the processing cost, is fit for large-scale rule stator and repaiies the application in batches.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A trimming device for a large-sized inserted stator is characterized in that: the shaping device comprises a shaping device body (5), wherein the shaping device body (5) is provided with a shaping chassis (1), a chassis main body (101) of the shaping chassis (1) is internally provided with a first connecting hole (106) with an upward hole opening, the chassis main body (101) is provided with a first positioning step (102), the upper end of the first positioning step (102) is provided with a second positioning step (103), the upper end of the second positioning step (103) is provided with a first shaping arc (104), and the first shaping arc (104) extends upwards to be connected with the circumferential wall of a first positioning shaft (105);
a fixing shaft (402) is arranged at the lower end of a second positioning shaft (401) of the positioning mandrel (4), a fourth positioning shaft (403) is arranged at the upper end of the second positioning shaft (401), and the fixing shaft (402) is fixedly connected with a first connecting hole (106) of the shaping chassis (1);
a positioning through hole (204) is arranged in a jacket main body (201) of the shaping jacket (2), a positioning counter bore (205) is arranged at the lower end of the positioning through hole (204), a shaping hole II (202) is arranged at the upper end of the positioning through hole (204), a shaping arc II (203) is arranged at the bottom of the shaping hole II (202) and is in smooth connection with the upper end face of the positioning through hole (204), after the shaping jacket (2) is sleeved with the shaping chassis (1), the positioning counter bore (205) is sleeved with a positioning step I (102), the positioning through hole (204) is sleeved with a positioning step II (103), and the shaping arc II (203) is in smooth connection with a shaping arc I (104) to form a shaping arc V (501);
the pressure disk main part (301) of plastic pressure disk (3) sets for position hole three (302), establishes shaping groove three (303) in the side end face of pressure disk main part (301), the tank bottom inboard of shaping groove three (303) establishes fillet three (304), and the tank bottom outside of shaping groove three (303) establishes fillet four (305), and shaping groove three (303) of plastic pressure disk (3) down, to positioning hole three (302) and positioning shaft four (403) swing joint, plastic chassis (1), plastic overcoat (2), plastic pressure disk (3) and positioning mandrel (4) whole modular connection constitute shaping device body (5).
2. The finishing assembly for large-sized insert wire stators as claimed in claim 1, wherein: and the position of the shaping arc five (501) corresponds to that of the shaping groove three (303) and the shape is consistent.
3. The finishing assembly for large-sized insert wire stators as claimed in claim 1, wherein: the coaxiality of the first positioning step (102), the second positioning step (103), the first shaping arc (104), the first positioning shaft (105) and the first connecting hole (106) is not more than 0.02 mm.
4. The finishing assembly for large-sized insert wire stators as claimed in claim 1, wherein: the coaxiality of the second positioning shaft (401), the fixed shaft (402) and the fourth positioning shaft (403) is not more than 0.02 mm.
5. The finishing assembly for large-sized insert wire stators as claimed in claim 1, wherein: the coaxiality of the second shaping hole (202), the second shaping arc (203), the positioning through hole (204) and the positioning counter bore (205) is not more than 0.02 mm.
6. The finishing assembly for large-sized insert wire stators as claimed in claim 1, wherein: and the clearance between the third positioning hole (302) and the fourth positioning shaft (403) in movable fit is not more than 0.05 mm.
7. The finishing assembly for large-sized insert wire stators as claimed in claim 1, wherein: the diameters of the inner rings of the shaping groove III (303) and the shaping arc V (501) are larger than the diameter of the inner hole of the stator core (1002) and are not smaller than 6mm, and the diameters of the outer rings of the shaping groove III (303) and the shaping arc V (501) are smaller than the diameter of the stator core (1002) and are not smaller than 6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020543069.XU CN212063787U (en) | 2020-04-14 | 2020-04-14 | Trimming device for large-scale embedded stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020543069.XU CN212063787U (en) | 2020-04-14 | 2020-04-14 | Trimming device for large-scale embedded stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212063787U true CN212063787U (en) | 2020-12-01 |
Family
ID=73523660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020543069.XU Active CN212063787U (en) | 2020-04-14 | 2020-04-14 | Trimming device for large-scale embedded stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212063787U (en) |
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2020
- 2020-04-14 CN CN202020543069.XU patent/CN212063787U/en active Active
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