CN105798656A - Positioning fixture for excircle machining of motor stator - Google Patents
Positioning fixture for excircle machining of motor stator Download PDFInfo
- Publication number
- CN105798656A CN105798656A CN201610351549.4A CN201610351549A CN105798656A CN 105798656 A CN105798656 A CN 105798656A CN 201610351549 A CN201610351549 A CN 201610351549A CN 105798656 A CN105798656 A CN 105798656A
- Authority
- CN
- China
- Prior art keywords
- locating shaft
- motor stator
- ring
- positioning fixture
- excircle machining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of motor stators, and discloses a positioning fixture for excircle machining of a motor stator. The positioning fixture comprises a positioning shaft, and the positioning shaft is provided with two elastic disks. A supporting sleeve is arranged on the portion, located between the two elastic disks, of the positioning shaft. A limiting convex ring is arranged on the positioning shaft and located on the outer side of one of the elastic disks, a pressing sleeve is arranged on the positioning shaft and located on the outer side of the other elastic disk in a sleeving mode, and the pressing sleeve and the positioning shaft are in sliding connection. A thread sleeve is arranged on the positioning shaft and located at the outer end of the pressing sleeve, and the thread sleeve and the positioning shaft are in threaded connection. In the natural state, the outer circle of each elastic disk is in clearance fit with the inner circle of the motor stator. When the pressing sleeve presses the elastic disks, the outer circle of each elastic disk is in interference fit with the inner circle of the motor stator. The motor stator is convenient to mount and dismount, and excircle machining efficiency is improved. Moreover, positioning is accurate, and machining precision is high.
Description
Technical field
The present invention relates to motor stator processing technique field, particularly relate to a kind of motor stator Excircle machining positioning fixture.
Background technology
Along with air-conditioning freezing industry energy-saving requires more and more higher, compressor of air conditioner is just progressively replaced piston type motor by screw motor, owing to the synchronous rotational speed of screw motor doubles than the rotating speed of piston type motor in design, it is desirable to screw rod motor all changes in processing technique and quality and improves.Piston type motor is relatively low due to rotating speed, stator cylindrical is in rule and the assembling being made directly motor after baking and banking up with earth, no longer stator cylindrical is carried out secondary fine processing, and screw motor is due to the raising of rotating speed, if stator cylindrical does not carry out secondary operations at rule and after baking and banking up with earth, motor oscillating and the requirement of performance technologies index can be caused owing to the precision of stator cylindrical cannot meet requirement, particularly stator dimensions is long, high-power motor, must at stator built-in line, carry out secondary returning after baking and banking up with earth and turn processing, the deformation damage owing to causing in stator built-in line and baking process could be eliminated to stator cylindrical, to improve the stability of stator rotation.Due to stator built-in line, bake and bank up with earth after the end of stator there is coil, and stator is to be assembled by some punchings, when common scroll chuck clamps stator, instrument is easily caused the damage of stator inner circle, in order to ensure secondary operations precision, how accurately, stable clamping stator is beneficial to Excircle machining becomes an emphasis and difficult point.
Summary of the invention
The deficiency of location accurate, quick it is difficult to when the present invention is to solve motor stator Excircle machining of the prior art, provide the location that during a kind of motor stator Excircle machining, energy is quick, stable, after processing, be easy to the motor stator Excircle machining positioning fixture of motor stator dismounting.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of motor stator Excircle machining positioning fixture, including locating shaft, described locating shaft is provided with two resilient discs, on locating shaft, the position between two resilient discs is provided with support set, the outside being located in one of resilient disc on locating shaft is provided with position limiting convex ring, and the outer sheath that locating shaft is positioned at another resilient disc is provided with gland, is slidably connected between described gland and locating shaft, the outer end being positioned at gland on described locating shaft is provided with swivel nut, threadeds between described swivel nut and locating shaft；Under naturalness, the inner ring matched in clearance of the outer ring of resilient disc and motor stator, when gland compresses resilient disc, the inner ring interference fit of the outer ring of resilient disc and motor stator.
Unclamp swivel nut, locating shaft is in the endoporus of motor stator, two resilient discs and inner hole of motor stator matched in clearance, tighten swivel nut, gland compresses two resilient sleeve interference fit tensionings between its outer ring and motor stator inner ring under the pressure effect of support set, can rotary threaded sleeve to regulate the elasticity that resilient disc coordinates with inner hole of motor stator, then locating shaft is clipped on the scroll chuck on lathe, motor stator is carried out completely Excircle machining, processing is opened and is unclamped swivel nut afterwards, taking off motor stator, the installation of motor stator, dismounting are all very convenient.
As preferably, described locating shaft being provided with short keyway near position limiting convex ring place, the inner ring of one of them resilient disc is connected with short keyway by key, and locating shaft is additionally provided with long keyway, and another resilient disc is connected with long keyway by key.It is connected by key between resilient disc with locating shaft, so that it is guaranteed that without relatively rotating between resilient disc and locating shaft, meeting can be axially displaced between resilient disc and locating shaft simultaneously.
As preferably, on described locating shaft, the position between gland and swivel nut is arranged with length compensation set.Owing to the length of the motor stator of different model there are differences, it is possible to by changing the mode regulating set with the difference in length of small electromotor stator, it is ensured that stable connection between swivel nut and locating shaft.
As preferably, described resilient disc includes inner sleeve, outer tensioning sleeve, Conical Projectile gonosome, described cone shaped elastic body is positioned between inner sleeve and outer tensioning sleeve, described inner sleeve, outer tensioning sleeve, Conical Projectile gonosome are integral type structure, and the two ends of described support set are press respectively against the inner of the outer tensioning sleeve of two resilient discs.Conical Projectile gonosome is easy to the deformation of outer tensioning sleeve, and during outer tensioning sleeve pressurized, external diameter increases tensioning motor stator inner ring, and during pressure release, outer tensioning sleeve resets and motor stator inner ring matched in clearance.
As preferably, described inner sleeve, outer tensioning sleeve, Conical Projectile gonosome are made up of spring steel.
As preferably, being provided with back-up ring outside the outer end of described inner sleeve, be provided with deformation limit baffle ring between described back-up ring and Conical Projectile gonosome.Deformation limit baffle ring is for the largest deformation amount of outer tensioning sleeve, Conical Projectile gonosome, it is prevented that excessively tightens swivel nut and causes rupturing in Conical Projectile gonosome place.
As preferably, being provided with gripper shoe two pieces parallel in described support set, the center of described gripper shoe is provided with centre bore, described locating shaft traverse centre bore, the axis of described support set and the axis collinear of locating shaft.Gripper shoe for guaranteeing the axiality of support set and locating shaft, ensure simultaneously the two ends of support set all the time with the outer ring ends contact of resilient disc, it is ensured that resilient disc pressurized is uniform.
As preferably, the left end of described locating shaft is provided with the opening left protective cover towards the right side, the right-hand member of locating shaft is provided with the opening right protective cover towards a left side, described left protective cover is threadeded with locating shaft by rotating to regulate to overlap, the outer end being positioned at swivel nut on described locating shaft is provided with outer adjustment set, the described outer set that regulates is threadeded with between locating shaft, and described outer adjustment is provided with spacing collar between set and right protective cover.Motor stator outer ring adds can produce chip man-hour, and the coil at motor stator two ends (winding) exposes, and during motor stator Excircle machining, the coil at two ends is covered by left protective cover, right protective cover respectively completely, thus preventing metal fillings from entering in coil.
As preferably, described left protective cover, right protective cover opening be provided with O-ring seal.Sealing function is played in O-ring seal, it is prevented that outer ring adds man-hour coolant and flows in winding, is also prevented from left protective cover, right protective cover directly contacts with motor stator and produces impression simultaneously.
Therefore, there is advantages that the installation of (1) motor stator, convenient disassembly, improve Excircle machining efficiency；(2) positioned by the mode of resilient disc tensioning motor stator inner ring, be damaged from rotor inner ring；(3) in the course of processing, the winding at two ends, motor location is isolated by left protective cover, right protective cover, thus preventing cutting fluid, metal fillings from entering in winding.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is A place close-up schematic view in Fig. 1.
In figure: locating shaft 1, resilient disc 2, support set 3, gripper shoe 4, position limiting convex ring 5, gland 6, swivel nut 7, length compensation set 8, short keyway 9, long keyway 10, left protective cover 11, right protective cover 12, rotation regulate set 13, outer adjustment set 14, spacing collar 15, motor stator 16, inner sleeve 20, outer tensioning sleeve 21, Conical Projectile gonosome 22, back-up ring 23, deformation limit baffle ring 24.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
A kind of motor stator Excircle machining positioning fixture as shown in Figure 1, including locating shaft 1, locating shaft is provided with two resilient discs 2, on locating shaft, the position between two resilient discs is provided with support set 3, gripper shoe 4 two pieces parallel it is provided with in support set 3, the center of gripper shoe is provided with centre bore, locating shaft traverse centre bore, the axis collinear of the axis of support set 3 and locating shaft 1；The left side being positioned at the resilient disc on the left side on locating shaft 1 is provided with position limiting convex ring 5, the right side of the resilient disc being positioned at the right on locating shaft is arranged with gland 6, it is slidably connected between gland and locating shaft, the outer end being positioned at gland on locating shaft 1 is provided with swivel nut 7, threadeding between swivel nut with locating shaft, on locating shaft, the position between gland and swivel nut is arranged with length compensation set 8；Being provided with short keyway 9 near position limiting convex ring place on locating shaft 1, the inner ring of the resilient disc on the left side is connected with short keyway by key, and locating shaft is additionally provided with long keyway 10, and the resilient disc on the right is connected with long keyway by key；Under naturalness, the inner ring matched in clearance of the outer ring of resilient disc and motor stator, when gland compresses resilient disc, the inner ring interference fit of the outer ring of resilient disc and motor stator.
As shown in Figure 2, resilient disc 2 includes inner sleeve 20, outer tensioning sleeve 21, Conical Projectile gonosome 22, cone shaped elastic body is positioned between inner sleeve and outer tensioning sleeve, inner sleeve, outer tensioning sleeve, Conical Projectile gonosome are integral type structure, inner sleeve, outer tensioning sleeve, Conical Projectile gonosome are made up of spring steel, and the two ends of support set are press respectively against the inner of the outer tensioning sleeve of two resilient discs；It is provided with back-up ring 23 outside the outer end of inner sleeve, between back-up ring and Conical Projectile gonosome, is provided with deformation limit baffle ring 24.
The left end of locating shaft 1 is provided with the opening left protective cover 11 towards the right side, the right-hand member of locating shaft is provided with the opening right protective cover 12 towards a left side, left protective cover is threadeded with locating shaft by rotating adjustment set 13, the outer end being positioned at swivel nut on locating shaft is provided with outer adjustment set 14, the outer set that regulates is threadeded with between locating shaft, and outer adjustment is provided with spacing collar 15 between set and right protective cover；Left protective cover, right protective cover opening be provided with O-ring seal.
In conjunction with accompanying drawing, the using method of the present invention is as follows: motor stator 16 (in figure shown in dotted portion) is loaded location on positioning fixture by the state shown in Fig. 1, tightening swivel nut 7 makes resilient disc deform upon, outer tensioning sleeve 21 and motor stator inner ring tensioned fit, then pass through and rotate the opening regulating 13 left protective covers 11 of set and be adjusted to and contact sealing with motor stator left end, right protective cover 12 is promoted by the outer set 14 drive spacing collar 15 that regulates, the opening of right protective cover is made to contact sealing with the right-hand member of motor stator, now whole motor definite value only has outer peripheral surface to expose, all the other positions are all isolated, metal fillings can be prevented during Excircle machining, cutting fluids etc. enter in winding (coil)；After outer ring processes, unscrew outer adjustment set 14, unload bottom right protective cover, then unscrew swivel nut, take off the motor stator processed.Therefore, there is advantages that the installation of (1) motor stator, convenient disassembly, improve Excircle machining efficiency；(2) positioned by the mode of resilient disc tensioning motor stator inner ring, be damaged from rotor inner ring；(3) in the course of processing, the winding at two ends, motor location is isolated by left protective cover, right protective cover, thus preventing cutting fluid, metal fillings from entering in winding.
Claims (9)
1. a motor stator Excircle machining positioning fixture, it is characterized in that, including locating shaft, described locating shaft is provided with two resilient discs, on locating shaft, the position between two resilient discs is provided with support set, the outside being located in one of resilient disc on locating shaft is provided with position limiting convex ring, the outer sheath being positioned at another resilient disc on locating shaft is provided with gland, it is slidably connected between described gland and locating shaft, the outer end being positioned at gland on described locating shaft is provided with swivel nut, threadeds between described swivel nut and locating shaft；Under naturalness, the inner ring matched in clearance of the outer ring of resilient disc and motor stator, when gland compresses resilient disc, the inner ring interference fit of the outer ring of resilient disc and motor stator.
2. a kind of motor stator Excircle machining positioning fixture according to claim 1, it is characterized in that, described locating shaft is provided with short keyway near position limiting convex ring place, the inner ring of one of them resilient disc is connected with short keyway by key, being additionally provided with long keyway on locating shaft, another resilient disc is connected with long keyway by key.
3. a kind of motor stator Excircle machining positioning fixture according to claim 1 and 2, is characterized in that, on described locating shaft, the position between gland and swivel nut is arranged with length compensation set.
4. a kind of motor stator Excircle machining positioning fixture according to claim 1, it is characterized in that, described resilient disc includes inner sleeve, outer tensioning sleeve, Conical Projectile gonosome, described cone shaped elastic body is positioned between inner sleeve and outer tensioning sleeve, described inner sleeve, outer tensioning sleeve, Conical Projectile gonosome are integral type structure, and the two ends of described support set are press respectively against the inner of the outer tensioning sleeve of two resilient discs.
5. a kind of motor stator Excircle machining positioning fixture according to claim 4, is characterized in that, described inner sleeve, outer tensioning sleeve, Conical Projectile gonosome are made up of spring steel.
6. a kind of motor stator Excircle machining positioning fixture according to claim 4, is characterized in that, be provided with back-up ring, be provided with deformation limit baffle ring between described back-up ring and Conical Projectile gonosome outside the outer end of described inner sleeve.
7. a kind of motor stator Excircle machining positioning fixture according to claim 1, it is characterized in that, being provided with gripper shoe two pieces parallel in described support set, the center of described gripper shoe is provided with centre bore, described locating shaft traverse centre bore, the axis of described support set and the axis collinear of locating shaft.
8. a kind of motor stator Excircle machining positioning fixture according to claim 1, it is characterized in that, the left end of described locating shaft is provided with the opening left protective cover towards the right side, the right-hand member of locating shaft is provided with the opening right protective cover towards a left side, described left protective cover is threadeded with locating shaft by rotating to regulate to overlap, the outer end being positioned at swivel nut on described locating shaft is provided with the outer set that regulates, and the described outer set that regulates is threadeded with between locating shaft, and described outer adjustment is provided with spacing collar between set and right protective cover.
9. a kind of motor stator Excircle machining positioning fixture according to claim 8, is characterized in that, described left protective cover, right protective cover opening be provided with O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351549.4A CN105798656B (en) | 2016-05-25 | 2016-05-25 | A kind of motor stator Excircle machining positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351549.4A CN105798656B (en) | 2016-05-25 | 2016-05-25 | A kind of motor stator Excircle machining positioning fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105798656A true CN105798656A (en) | 2016-07-27 |
| CN105798656B CN105798656B (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610351549.4A Active CN105798656B (en) | 2016-05-25 | 2016-05-25 | A kind of motor stator Excircle machining positioning fixture |
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| Country | Link |
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| CN (1) | CN105798656B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531390A (en) * | 2020-05-22 | 2020-08-14 | 许昌学院 | Non-standard part machining clamp for precision machine tool |
| CN115302270A (en) * | 2022-09-01 | 2022-11-08 | 南通美群节能应用技术有限公司 | Stator inner hole positioning device and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201940633U (en) * | 2011-01-27 | 2011-08-24 | 保定标正机床有限责任公司 | Expansion-sleeve central spindle clamping device |
| CN202129650U (en) * | 2011-05-12 | 2012-02-01 | 邵阳维克液压股份有限公司 | Elastic sleeve clamp apparatus applied to machining of thin wall cylinder sleeve |
| CN202178673U (en) * | 2011-09-14 | 2012-03-28 | 卧龙电气集团股份有限公司 | Mounting device for motor stator |
| CN202398845U (en) * | 2011-12-29 | 2012-08-29 | 江阴江顺精密机械零部件有限公司 | High-precision tension mandrel for horizontal lathe |
| US20130193801A1 (en) * | 2010-10-07 | 2013-08-01 | Robert Bosch Gmbh | Conical spring washer for mounting a stator in the housing of an electrical machine |
| CN203197638U (en) * | 2013-03-06 | 2013-09-18 | 中核（天津）机械有限公司 | Motor stator turning machining clamp |
| CN203509092U (en) * | 2013-08-23 | 2014-04-02 | 浙江安美德汽车配件有限公司 | Inside-expanding clamp for stator turning |
| CN103753323A (en) * | 2014-02-23 | 2014-04-30 | 张鸿来 | Automatic self-centering clamp |
| CN203917999U (en) * | 2014-06-24 | 2014-11-05 | 溧阳市宏达电机有限公司 | A kind of big L/D ratio motor case lathe finish fixture |
| CN204953942U (en) * | 2015-09-14 | 2016-01-13 | 江门马丁电机科技有限公司 | Fixture device and processing equipment |
-
2016
- 2016-05-25 CN CN201610351549.4A patent/CN105798656B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130193801A1 (en) * | 2010-10-07 | 2013-08-01 | Robert Bosch Gmbh | Conical spring washer for mounting a stator in the housing of an electrical machine |
| CN201940633U (en) * | 2011-01-27 | 2011-08-24 | 保定标正机床有限责任公司 | Expansion-sleeve central spindle clamping device |
| CN202129650U (en) * | 2011-05-12 | 2012-02-01 | 邵阳维克液压股份有限公司 | Elastic sleeve clamp apparatus applied to machining of thin wall cylinder sleeve |
| CN202178673U (en) * | 2011-09-14 | 2012-03-28 | 卧龙电气集团股份有限公司 | Mounting device for motor stator |
| CN202398845U (en) * | 2011-12-29 | 2012-08-29 | 江阴江顺精密机械零部件有限公司 | High-precision tension mandrel for horizontal lathe |
| CN203197638U (en) * | 2013-03-06 | 2013-09-18 | 中核（天津）机械有限公司 | Motor stator turning machining clamp |
| CN203509092U (en) * | 2013-08-23 | 2014-04-02 | 浙江安美德汽车配件有限公司 | Inside-expanding clamp for stator turning |
| CN103753323A (en) * | 2014-02-23 | 2014-04-30 | 张鸿来 | Automatic self-centering clamp |
| CN203917999U (en) * | 2014-06-24 | 2014-11-05 | 溧阳市宏达电机有限公司 | A kind of big L/D ratio motor case lathe finish fixture |
| CN204953942U (en) * | 2015-09-14 | 2016-01-13 | 江门马丁电机科技有限公司 | Fixture device and processing equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531390A (en) * | 2020-05-22 | 2020-08-14 | 许昌学院 | Non-standard part machining clamp for precision machine tool |
| CN111531390B (en) * | 2020-05-22 | 2021-07-09 | 许昌学院 | Non-standard part machining clamp for precision machine tool |
| CN115302270A (en) * | 2022-09-01 | 2022-11-08 | 南通美群节能应用技术有限公司 | Stator inner hole positioning device and method |
| CN115302270B (en) * | 2022-09-01 | 2023-10-13 | 南通美群节能应用技术有限公司 | Stator inner hole positioning device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105798656B (en) | 2017-12-05 |
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Effective date of registration: 20180813 Address after: 201111 Room 411, 1800 Jiangchuan Road, Minhang District, Shanghai. Patentee after: Shanghai Lufa Electric (Group) Co., Ltd. Address before: 201404 17 Lane 699, Zhang Weng Temple Road, Fengxian District, Shanghai Patentee before: Shanghai Shenfu Electrical Machinery Co., Ltd. |
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