CN210732328U - Tool for withdrawing outer rotor motor tight-fitting bearing - Google Patents
Tool for withdrawing outer rotor motor tight-fitting bearing Download PDFInfo
- Publication number
- CN210732328U CN210732328U CN201921690572.1U CN201921690572U CN210732328U CN 210732328 U CN210732328 U CN 210732328U CN 201921690572 U CN201921690572 U CN 201921690572U CN 210732328 U CN210732328 U CN 210732328U
- Authority
- CN
- China
- Prior art keywords
- bearing
- rotor motor
- end cover
- clamp
- outer rotor
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a tool for withdrawing an outer rotor motor tight-fitting bearing, which comprises a support, a handle, a punch, a first clamp for withdrawing a first bearing and a second clamp for withdrawing a second bearing, wherein the support comprises a base and an upper frame, the second clamp is detachably arranged on the base, and the first clamp comprises an end cover supporting surface for supporting an end cover of the outer rotor motor; the second clamp is detachably arranged on the upper frame and comprises a bearing supporting surface for supporting the second bearing; the handle and the punch are arranged in the upper frame, and the handle can drive the punch to move along the direction parallel to the axis of the outer rotor motor. The utility model discloses the beneficial effect who gains: a close-fitting bearing of the outer rotor motor can be disassembled; the outer rotor motor is not damaged; the disassembly efficiency is high, and the production cost is low; simple structure and convenient future maintenance.
Description
Technical Field
The utility model relates to a mechanical tooling equipment field, concretely relates to move back frock of external rotor electric machine tight-fitting bearing.
Background
At present, the outer rotor motor is applied to various industries such as ventilation, purifiers, air conditioners, range hoods and the like, and is an essential important part; in the process of outer rotor motor production, unusual problem can appear in some products, and unusual problem majority condition all is about the problem that the bearing appears, needs outer rotor motor's bearing to dismantle to get off and carry out the analysis, because be interference fit between outer rotor motor's bearing and the axle, the tight fit promptly, the tradition need use the manual work to strike the bearing constantly just can dismantle the bearing, so not only inefficiency, but also probably make the bearing produce more problems.
The prior art CN104218751B discloses a bearing withdrawing tool, which comprises a positioning device and a supporting device, wherein the positioning device is mounted on the supporting device; the positioning device comprises a positioning template, a stepped U-shaped groove is formed in the positioning template, the width of a first stepped groove of the U-shaped groove is larger than that of a second stepped groove, the supporting device comprises a support plate, the positioning template is installed on the support plate, the purpose of fixing the rotor is achieved, although the bearing withdrawing tool can also detach the bearing from a tightly-fitted shaft, the bearing withdrawing tool can only detach the connection part of the shaft and the bearing, namely can only detach the inner rotor of the inner rotor motor; and the close-fitting bearing of the outer rotor motor cannot be disassembled.
Therefore, a bearing withdrawing tool for the outer rotor motor is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a move back external rotor electric machine tight-fitting bearing's frock, it includes support, handle, drift, first anchor clamps and second anchor clamps, and the frock that should move back external rotor electric machine tight-fitting bearing has can dismantle external rotor electric machine tight-fitting bearing, do not harm external rotor electric machine, dismantle efficient, low in production cost, simple structure, maintain convenient advantage in the future.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the tool for removing the tight fit bearing of the outer rotor motor comprises a support, a handle, a punch, a first clamp for removing a first bearing and a second clamp for removing a second bearing, wherein the support comprises a base and an upper frame; the second clamp is detachably arranged below the upper frame and comprises a bearing supporting surface, and the bearing supporting surface is used for supporting the end surface of a second bearing of the outer rotor motor, which is deviated from the stator; the handle and the punch are arranged in the upper frame, and the handle drives the punch to move along the direction parallel to the axis of the outer rotor motor.
Preferably, the end cover supporting surface is U-shaped when viewed along an axis parallel to the outer rotor motor, and by this arrangement, the outer rotor motor is sunk into the first clamp from the opening of the end cover supporting surface of the first clamp, and the end cover supporting surface is U-shaped, so that the end cover supporting surface can be better supported on the end surface of the end cover facing the stator, and a greater supporting force is provided for the outer rotor motor.
Preferably, the first clamp comprises an end cover clamp and a fixed seat, the fixed seat comprises a top plate and a bottom plate, the end cover clamp is detachably arranged on the top plate, and the end cover supporting surface is arranged on the end cover clamp; the bottom plate is arranged on the base, four straight notches which are uniformly distributed in the circumferential direction are formed in the axis of the rotor motor except the bottom plate as the central line, and through the arrangement, the position of the bottom plate can be adjusted longitudinally or transversely relative to the base by the aid of the four straight notches which are uniformly distributed in the circumferential direction and are formed in the axis of the rotor motor except the bottom plate as the central line, so that the position of the end cover clamp is adjusted longitudinally or transversely, and the axis of the outer rotor motor is overlapped with the axis of the punch after the outer rotor motor is installed on the end cover clamp.
Preferably, the end cover fixture further comprises a first connecting surface connected with the inner side of the end cover supporting surface, the first connecting surface is in interference fit with the outer wall of the outer rotor motor, and by means of the arrangement, the first connecting surface is in interference fit with the outer wall of the outer rotor motor, so that the outer rotor motor can be fixed after being installed in the end cover fixture, the situation that the outer rotor motor is loose after being installed in the end cover fixture is avoided, and the axis of the outer rotor motor is deviated from the axis of the punch.
Preferably, the end cover fixture further comprises a side wall connected with the outer side of the end cover supporting surface, a plurality of fixing screws for abutting against an end cover of the outer rotor motor are arranged at the lower part of the side wall, and after the outer rotor motor is installed in the end cover fixture, the outer rotor motor abuts against the outer side of the end cover of the outer rotor motor through the fixing screws, so that the axis of the outer rotor motor and the axis of the punch are kept coincident all the time.
Preferably, the fixing screw with the one end that the end cover is contradicted is the sphere, through setting up like this, because the fixing screw is contradicted the outside of end cover, just the fixing screw with the one end that the end cover is contradicted is the sphere, has avoided the fixing screw is right the outside of end cover produces the damage.
Preferably, the bearing support surface is semicircular when viewed along an axis parallel to the outer rotor motor, and by such arrangement, the bearing support surface is supported on the end surface of the second bearing away from the stator, and the bearing support surface is semicircular, so that the bearing support surface can better abut against the end surface of the second bearing away from the stator, and a larger support force is provided for the outer rotor motor.
Preferably, the second jig includes a third connection surface and a fourth connection surface that connect the inner side and the outer side of the bearing support surface, the third connecting surface and the fourth connecting surface are parallel to each other, and the distance between the third connecting surface and the fourth connecting surface is equal to 0.8 time of the distance between the inner diameter and the outer diameter of the second bearing, when the bearing support surface is supported on the end surface of the second bearing, which faces away from the stator, the outer side of the second bearing is attached in the fourth connecting surface, the distance between the third connection surface and the fourth connection surface is equal to 0.8 times the distance between the inner diameter and the outer diameter of the second bearing, so that the bearing support surface can be supported at the end face of the inner ring of the second bearing facing away from the stator, namely, the bearing support surface also provides a support force for the inner ring of the second bearing, so that the function of protecting the second bearing in the process of disassembly can be ensured.
Preferably, the first connecting surface and the third connecting surface are provided with chamfer structures at the openings, and by such arrangement, the first connecting surface is in interference fit with the outer wall of the outer rotor motor, and the chamfer structure is arranged at the opening of the first connecting surface, so that the outer rotor motor can be conveniently installed in the end cover fixture; similarly, a chamfer structure is arranged at the opening of the third connecting surface, so that the second bearing can be conveniently sunk into the second clamp.
Preferably, the end cover of the outer rotor motor is provided with a bearing hole for mounting the first bearing, and the maximum outer diameter of the punch is smaller than the diameters of the bearing hole and the fourth connecting surface.
Compared with the prior art, the utility model discloses profitable technological effect has been obtained:
1. generally, the external rotor motor is provided with two bearings, namely a first bearing and a second bearing, wherein the second bearing is in interference fit with the shaft, and the second bearing is arranged at one end far away from an end cover of the external rotor motor; the first bearing is in interference fit with the shaft, the first bearing is arranged in a bearing hole of the end cover, the bearing hole is a stepped hole, the inner diameter of the first stepped hole, facing the stator, of the bearing hole is smaller than that of the bearing hole, and the first stepped hole is larger than that of an outer ring of the first bearing; the outer rotor motor is installed in a first clamp, so that the end face of the end cover facing the stator is abutted against the end cover supporting face, the axis of the outer rotor motor is coincided with the axis of the punch at the moment, the punch is driven to move in the direction parallel to the axis of the outer rotor motor and facing the outer rotor motor by pulling the handle by an operator, the punch is abutted against the upper end face of the shaft and presses the shaft downwards, the end cover supporting face supports the end cover to be fixed, then the upper end face of the first stepped hole supports the end face of the first bearing facing the stator and supports the first bearing to be fixed, and the shaft is pressed downwards by the punch and gradually separated from the first bearing; after the first bearing is disassembled, the stator of the outer rotor motor is taken out, then the first clamp is disassembled, the second clamp is installed, the end face, away from the stator, of the second bearing of the outer rotor motor is abutted against the bearing supporting face, similarly, an operator pulls the handle to drive the punch to move towards the direction of the outer rotor motor along the axis parallel to the outer rotor motor, the punch is abutted against the upper end face of the shaft and presses the shaft downwards, the bearing supporting face supports the second bearing to be fixed, the shaft is pressed downwards by the punch and gradually separates from the second bearing, the procedure of withdrawing the outer rotor motor tight-fitting bearing is completed, and the whole procedure does not damage the outer rotor motor.
2. The tight-fitting bearing of the outer rotor motor is withdrawn only by pulling the handle by an operator so as to drive the punch to press the punch to move axially downwards, the first bearing and the second bearing of the outer rotor motor are gradually disassembled, the handle is arranged, a large amount of physical power of the operator is saved, and the tool for withdrawing the tight-fitting bearing of the outer rotor motor is convenient to disassemble, namely high in disassembling efficiency and low in production cost.
3. The tool parts for withdrawing the outer rotor motor tight-fitting bearing are reduced, the structure is simple, and the maintenance is convenient in the future.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention equipped with a first clamp;
fig. 2 is a schematic cross-sectional view of the embodiment of the present invention with respect to fig. 1;
fig. 3 is a schematic diagram of a test of an embodiment of the present invention;
fig. 4 is a partially enlarged schematic view of the embodiment of the present invention with respect to fig. 2;
fig. 5 is an isometric schematic view of an end cap fixture according to an embodiment of the present invention;
fig. 6 is a schematic top view of an end cap fixture according to an embodiment of the present invention;
figure 7 is a schematic view of an embodiment of the present invention fitted with a second clamp;
fig. 8 is a schematic cross-sectional view of an embodiment of the present invention with respect to fig. 7;
fig. 9 is a partially enlarged schematic view of the embodiment of the present invention with respect to fig. 8;
figure 10 is a schematic front view of a second clamp of an embodiment of the present invention;
fig. 11 is a schematic top view of a second clamp according to an embodiment of the present invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. a support; 1.1, connecting columns; 1.2, putting on shelf; 1.3, a base; 2. a handle; 2.1, a longitudinal rod; 2.2, a cross bar; 3. a punch; 4. a first clamp; 4.1, a bottom plate; 4.1.1, straight notch; 4.2, connecting plates; 4.3, a top plate; 4.4, end cover fixture; 4.4.1, a second connection surface; 4.4.2, an end cover supporting surface; 4.4.3, a first connection face; 5. a second clamp; 5.1, a fourth connecting surface; 5.2, bearing support surface; 5.3, a third connecting surface; 6. an outer rotor motor; 6.1, a first bearing; 6.2, a second bearing; 6.3, a shaft; 6.4, end cover; 6.4.1, a bearing hole; 6.4.2, a first step hole; 6.5, an outer rotor;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Referring to fig. 1-11, the embodiment discloses a tool for removing a tight-fitting bearing of an outer rotor motor, which includes a bracket 1, a handle 2, a punch 3, a first clamp 4 for removing a first bearing 6.1, and a second clamp 5 for removing a second bearing 6.2, wherein the bracket 1 includes a base, an upper frame 1.2 and a connecting column 1.1, and the connecting column 1.1 fixedly connects the base with the upper frame 1.2; the first clamp 4 is detachably arranged on the base, the first clamp 4 comprises an end cover supporting surface 4.4.2, and the end cover supporting surface 4.4.2 is used for supporting the end face, facing the stator, of an end cover 6.4 of the outer rotor motor 6; the handle 2 and the punch 3 are both arranged in the upper frame 1.2, and the handle 2 comprises a cross rod 2.2 hinged with the upper frame 1.2 and a longitudinal rod 2.1 which is perpendicular to the transverse handle 2 and connected with the transverse handle 2; the handle 2 drives the punch 3 to move along the direction parallel to the axis of the outer rotor motor 6, and when an operator pulls the longitudinal rod 2.1 to rotate clockwise around the axis of the transverse rod 2.2 as seen from the direction of fig. 3, the handle 2 drives the punch 3 to move along the direction parallel to the axis of the outer rotor motor 6 towards the outer rotor motor 6; when an operator pulls the longitudinal rod 2.1 to rotate anticlockwise around the axis of the transverse rod 2.2, the handle 2 drives the punch 3 to move in a direction parallel to the axis of the outer rotor motor 6 and away from the outer rotor motor 6;
generally, the external rotor motor 6 is provided with two bearings, namely a first bearing 6.1 and a second bearing 6.2, the second bearing 6.2 is in interference fit with the shaft 6.3, and the first bearing 6.1 is arranged at one end far away from an end cover 6.4 of the external rotor motor 6; the first bearing 6.1 is also in interference fit with the shaft 6.3, the first bearing 6.1 is arranged in a bearing hole 6.4.1 of the end cover 6.4, the bearing hole 6.4.1 is a stepped hole, the inner diameter of the first stepped hole 6.4.2, facing the stator, of the bearing hole 6.4.1 is smaller than that of the bearing hole 6.4.1, and the inner diameter of the first stepped hole 6.4.2 is larger than that of the outer ring of the first bearing 6.1; when the external rotor motor 6 is loaded into the first clamp 4, the end face of the end cover 6.4 of the external rotor motor 6 facing the stator butts against the end cover supporting face 4.4.2, and at the same time, the axis of the external rotor motor 6 coincides with the axis of the punch 3, by pulling the longitudinal rod 2.1 to rotate clockwise around the axis of the transverse rod 2.2 by an operator, the handle 2 drives the punch 3 to move in the direction parallel to the axis of the external rotor motor 6 towards the external rotor motor 6, namely, the handle 2 drives the punch 3 to move downwards in the direction parallel to the axis of the external rotor motor 6, so that the lower end face of the punch 3 moves downwards from the upper end face of the butting shaft 6.3 to the pressing shaft 6.3, the end cover supporting face 4.4.2 supports the end cover 6.4 to be fixed, then the upper end face of the first step hole 6.4.2 supports the first bearing 6.1 to support the first bearing 6.1 to be fixed, the punch 6.3 is pressed downwards to be gradually separated from the first bearing 6.1, then, an operator pulls the longitudinal rod 2.1 to rotate anticlockwise around the axis of the transverse rod 2.2, and the punch 3 is driven to move upwards along the axis parallel to the outer rotor motor 6 and far away from the outer rotor motor 6; when the first bearing 6.1 is disassembled, the stator of the external rotor motor 6 is taken out, then the first clamp 4 is disassembled, the first clamp 4 is installed, the end face of the second bearing 6.2 of the external rotor motor 6, which is far away from the stator, is abutted against the bearing support face 5.2, similarly, an operator pulls the longitudinal rod 2.1 to move clockwise around the axis of the transverse rod 2.2, so that the handle 2 drives the punch 3 to move downwards along the direction parallel to the external rotor motor 6, the lower end face of the punch 3 moves downwards from the upper end face abutted against the shaft 6.3 to the pressing shaft 6.3, the bearing support face 5.2 supports the second bearing 6.2 to be fixed, the shaft 6.3 is pressed downwards by the punch 3 to be gradually separated from the second bearing 6.2, then the operator pulls the longitudinal rod 2.1 to rotate anticlockwise around the axis of the transverse rod 2.2, the punch 3 moves upwards along the axis parallel to the external rotor motor 6 to be far away from the external rotor motor 6, and the procedure of removing the tight-fitting bearing of the external rotor motor is completed, the whole process does not damage the outer rotor motor 6; the tight-fitting bearing of the outer rotor motor 6 is withdrawn until an operator pulls the handle 2 to drive the punch 3 to press the shaft 6.3 to move downwards, the first bearing 6.1 and the second bearing 6.2 of the outer rotor motor 6 are gradually disassembled, the handle 2 is arranged, a large amount of physical power of the operator is saved, and the disassembly of the tool for withdrawing the tight-fitting bearing of the outer rotor motor is convenient, namely the disassembly efficiency is high, and the production cost is low; the outer rotor withdrawing motor has few tool parts for tightly matching the bearing, simple structure and convenient later maintenance.
Looking along the axis parallel to the external rotor motor 6, the end cover supporting surface 4.4.2 is "U" shaped, the external rotor motor 6 sinks into the first clamp 4 from the opening of the end cover supporting surface 4.4.2 of the first clamp 4, the end cover supporting surface 4.4.2 is "U", so that the end cover supporting surface 4.4.2 can be better supported on the end surface of the end cover 6.4 facing the stator, a larger supporting force is provided for the external rotor motor 6, when the lower end surface of the punch 3 presses on the upper end surface of the shaft 6.3 to move downwards, the end cover supporting surface 4.4.2 can better support the end cover 6.4, and the end cover 6.4 is fixed.
The first clamp 4 comprises an end cover 6.4 clamp 4.4 and a fixed seat, the fixed seat comprises a top plate 4.3, a bottom plate 4.1 and a connecting plate 4.2, the top plate 4.3 is fixedly connected with the bottom plate 4.1 through the connecting plate 4.2, the end cover 6.4 clamp 4.4 is detachably arranged on the top plate 4.3, and an end cover supporting surface 4.4.2 is arranged on the end cover 6.4 clamp 4.4; the base plate 4.1 is arranged on the base 1.3, four straight notches 4.1.1 which are uniformly distributed in the circumferential direction are formed in the base plate 4.1 by taking the axis of the outer rotor motor 6 as a central line, the four straight notches 4.1.1 comprise a pair of transverse straight notches 4.1.1 and a pair of longitudinal straight notches 4.1.1, the position of the base plate 4.1 can be adjusted relative to the base 1.3 along the direction parallel to the axis of the cross rod 2.2 or along the direction perpendicular to the axis of the cross rod 2.2, namely the position of the base plate 4.1 can be adjusted relative to the base 1.3 along the transverse direction or the longitudinal direction, and after the outer rotor motor 6 is arranged on the end cover 6.4 clamp 4.4, the axis of the outer rotor motor 6 is coincided with the axis of the punch.
The end cover 6.4 clamp 4.4 also comprises a first connecting surface 4.4.3 connected with the inner side of the end cover supporting surface 4.4.2, the inner side of the end cover supporting surface 4.4.2 is the side of the end cover supporting surface 4.4.2 close to the outer rotor motor 6, and the first connecting surface 4.4.3 is in interference fit with the outer wall of the outer rotor 6.5 of the outer rotor motor 6, so that the outer rotor motor 6 can be fixed after being assembled into the end cover 6.4 clamp 4.4, the phenomenon that the outer rotor motor 6 is loosened after being assembled into the end cover 6.4 clamp 4.4 is avoided, and the axis of the outer rotor motor 6 is deviated from the axis of the punch 3.
The end cover 6.4 clamp 4.4 also comprises a side wall connected with the outer side of the end cover supporting surface 4.4.2, the side wall comprises a second connecting surface 4.4.1, the second connecting surface 4.4.1 is connected with the outer side of the end cover supporting surface 4.4.2, a gap exists between the second connecting surface 4.4.1 and the outer side of the end cover 6.4, the outer side of the end cover supporting surface 4.4.2, namely the side of the end cover supporting surface 4.4.2 far away from the outer rotor motor 6, three through holes are arranged at the lower part of the side wall, all the three through holes are provided with fixing screws for abutting against the end cover 6.4 of the outer rotor motor 6, after the outer rotor motor 6 is arranged in the end cover 6.4 clamp 4.4, the fixing screws abut against the outer side of the end cover 6.4 of the outer rotor motor 6, and the axial line; the first connection surface 4.4.3 and the second connection surface 4.4.1 are both "U" shaped when viewed parallel to the axis of the external rotor motor 6.
The end of the fixing screw, which is abutted against the end cover 6.4, is a spherical surface, and the end of the fixing screw, which is abutted against the end cover 6.4, is a spherical surface, so that the fixing screw is prevented from damaging the outer side of the end cover 6.4.
Looking along the axis that is on a parallel with external rotor electric machine 6, bearing holding surface 5.2 is semi-circular, because bearing holding surface 5.2 supports the terminal surface that deviates from the stator at second bearing 6.2, bearing holding surface 5.2 is semi-circular, make bearing holding surface 5.2 can conflict better at the terminal surface that deviates from the stator at second bearing 6.2, provide bigger holding power for external rotor electric machine 6, when drift 3 is pressing axle 6.3 and is moving down, second bearing 6.2 still can conflict rigid on bearing holding surface 5.2.
The first clamp 4 comprises a third connecting surface 5.3 and a fourth connecting surface 5.1 which are connected with the inner side and the outer side of a bearing supporting surface 5.2, the third connecting surface 5.3 and the fourth connecting surface 5.1 are parallel to each other, the distance between the third connecting surface 5.3 and the fourth connecting surface 5.1 is equal to 0.8 time of the distance between the inner diameter and the outer diameter of the second bearing 6.2, when the bearing supporting surface 5.2 is supported on the end surface of the second bearing 6.2 departing from the stator, the outer diameter of the second bearing 6.2 is attached in the fourth connecting surface 5.1, the distance between the third connecting surface 5.3 and the fourth connecting surface 5.1 is equal to 0.8 time of the distance between the inner diameter and the outer diameter of the second bearing 6.2, so that the bearing supporting surface 5.2 can be supported on the end surface of the inner ring of the second bearing 6.2 which deviates from the stator, namely, the bearing supporting surface 5.2 also provides supporting force for the inner ring of the second bearing 6.2, and can be guaranteed to play a role in; if not, namely the bearing support surface 5.2 only supports the end surface of the outer ring of the second bearing 6.2, which is far away from the stator, but does not support the end surface of the inner ring of the second bearing 6.2, which is far away from the stator, when the punch 3 presses the shaft 6.3 to move downwards, the shaft 6.3 generates a huge downward friction force on the inner ring of the second bearing 6.2 due to the interference fit between the shaft 6.3 and the inner ring of the second bearing 6.2, and if the bearing support surface 5.2 does not support the inner ring of the second bearing 6.2, the inner ring of the second bearing 6.2 may be separated from the outer ring; the distance between the third connecting surface 5.3 and the fourth connecting surface 5.1 is equal to 0.8 times the distance between the inner diameter and the outer diameter of the second bearing 6.2, and the second bearing 6.2 can be protected.
The openings of the first connecting surface 4.4.3 and the third connecting surface 5.3 are both provided with a chamfer structure, and the first connecting surface 4.4.3 is in interference fit with the outer wall of the outer rotor 6.5 of the outer rotor motor 6, and the opening of the first connecting surface 4.4.3 is provided with a chamfer structure, so that the outer rotor motor 6 can be conveniently installed in the end cover 6.4 clamp 4.4; similarly, the opening of the third connecting surface 5.3 is provided with a chamfer structure, so that the second bearing 6.2 can be conveniently sunk into the second clamp 5.
The biggest external diameter of drift 3 all is less than the diameter that 5.1 was connected to dead eye 6.4.1 and fourth, and when the up end downward movement of axle 6.3 was being pressed to the lower terminal surface of drift 3, the outer wall of drift 3 did not connect face 5.1 contact with dead eye 6.4.1 and fourth, and face 5.1 produces frictional force promptly with dead eye 6.4.1 and fourth.
The utility model discloses use of embodiment:
when the external rotor motor 6 is abnormal, the external rotor motor 6 is put into the end frame clamp by an operator, the end surface of the end cover 6.4 of the outer rotor motor 6 facing the stator is abutted against the end cover supporting surface 4.4.2, and the position between the bottom plate 4.1 and the base 1.3 is adjusted, so that the axis of the outer rotor motor 6 is coincided with the axis of the punch 3, then the longitudinal rod 2.1 is pulled to rotate clockwise around the axis of the transverse rod 2.2, so that the handle 2 drives the plunger 3 to move downward in a direction parallel to the axis of the outer rotor motor 6, and then the lower end face of the plunger 3 presses the upper end face of the shaft 6.3 to move downward in a direction parallel to the axis of the outer rotor 6.5, the end cover supporting surface 4.4.2 supports the end cover 6.4 to be fixed, and the upper end surface of the first stepped hole 6.4.2 also supports the first bearing 6.1 to be fixed, so that the shaft 6.3 is separated from the first bearing 6.1 to disassemble the first bearing 6.1;
after the first bearing 6.1 is detached, an operator pulls the longitudinal rod 2.1 to rotate anticlockwise around the axis of the transverse rod 2.2, so that the handle 2 drives the punch 3 to move upwards along the direction parallel to the axis of the external rotor motor 6, the stator of the external rotor motor 6 is taken out, and the first clamp 4 is disassembled, the second clamp 5 is installed, the end surface of the second bearing 6.2 departing from the stator is abutted against the bearing supporting surface 5.2, and similarly, an operator pulls the longitudinal rod 2.1 to rotate clockwise around the axis of the transverse rod 2.2, so that the handle 2 drives the punch 3 to move downwards along the axis parallel to the outer rotor motor 6, the bearing support surface 5.2 supports the end surface of the second bearing 6.2 departing from the stator, so that the shaft 6.3 is separated from the second bearing 6.2 to disassemble the second bearing 6.2, after the second bearing 6.2 is disassembled, an operator pulls the longitudinal rod 2.1 to rotate anticlockwise around the axis of the transverse rod 2.2, so that the handle 2 drives the punch 3 to move upwards for resetting along the direction parallel to the axis of the external rotor motor 6.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.
Claims (10)
1. The tool for removing the tight fit bearing of the outer rotor motor is characterized by comprising a support, a handle, a punch, a first clamp for removing a first bearing and a second clamp for removing a second bearing, wherein the support comprises a base and an upper frame, the first clamp is detachably arranged on the base and comprises an end cover supporting surface, and the end cover supporting surface is used for supporting the end surface, facing the stator, of an end cover of the outer rotor motor; the second clamp is detachably arranged below the upper frame and comprises a bearing supporting surface, and the bearing supporting surface is used for supporting the end surface of a second bearing of the outer rotor motor, which is deviated from the stator; the handle and the punch are arranged in the upper frame, and the handle drives the punch to move along the direction parallel to the axis of the outer rotor motor.
2. The tool for withdrawing an external rotor motor tight fit bearing according to claim 1, wherein the end cover supporting surface is "U" shaped when viewed along an axis parallel to the external rotor motor.
3. The tool for withdrawing the close-fitting bearing of the outer rotor motor as claimed in claim 1 or 2, wherein the first clamp comprises an end cover clamp and a fixed seat, the fixed seat comprises a top plate and a bottom plate, the end cover clamp is detachably arranged on the top plate, and the end cover supporting surface is arranged on the end cover clamp; the bottom plate sets up on the base, just the axis of rotor motor outside the bottom plate is four straight notch of circumference equipartition of central line.
4. The tool for withdrawing the external rotor motor tight fit bearing according to claim 3, wherein the end cover fixture further comprises a first connecting surface connected to the inner side of the end cover supporting surface, and the first connecting surface is in interference fit with the outer wall of the external rotor motor.
5. The tool for withdrawing an external rotor motor tight-fit bearing according to claim 3, wherein the end cover fixture further comprises a side wall connected to the outer side of the end cover supporting surface, and a plurality of fixing screws abutting against an end cover of the external rotor motor are arranged at the lower part of the side wall.
6. The tool for withdrawing an external rotor motor tight fit bearing according to claim 5, wherein one end of the fixing screw abutting against the end cover is a spherical surface.
7. The tool for withdrawing an external rotor motor tight-fitting bearing according to claim 1, wherein the bearing support surface is semicircular when viewed in a direction parallel to the axis of the external rotor motor.
8. The tool for withdrawing an external rotor motor tight-fit bearing of claim 4, wherein the second clamp comprises a third connecting surface and a fourth connecting surface which are connected with the inner side and the outer side of the bearing supporting surface, the third connecting surface and the fourth connecting surface are parallel to each other, and the distance between the third connecting surface and the fourth connecting surface is equal to 0.8 time of the distance between the inner diameter and the outer diameter of the second bearing.
9. The tool for withdrawing an external rotor motor tight-fitting bearing of claim 8, wherein the openings of the first connecting surface and the third connecting surface are provided with chamfer structures.
10. The tool for withdrawing the close-fitting bearing of the outer rotor motor as claimed in claim 8 or 9, wherein the end cap of the outer rotor motor is provided with a bearing hole for mounting the first bearing, and the maximum outer diameter of the punch is smaller than the diameters of the bearing hole and the fourth connecting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921690572.1U CN210732328U (en) | 2019-10-08 | 2019-10-08 | Tool for withdrawing outer rotor motor tight-fitting bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921690572.1U CN210732328U (en) | 2019-10-08 | 2019-10-08 | Tool for withdrawing outer rotor motor tight-fitting bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210732328U true CN210732328U (en) | 2020-06-12 |
Family
ID=70989981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921690572.1U Active CN210732328U (en) | 2019-10-08 | 2019-10-08 | Tool for withdrawing outer rotor motor tight-fitting bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210732328U (en) |
-
2019
- 2019-10-08 CN CN201921690572.1U patent/CN210732328U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108637721B (en) | Clamping device for thin-wall annular shell parts | |
| JP2013055785A (en) | Disassembly method and assembly method of motor | |
| KR20060021475A (en) | Bearing fixing machine | |
| CN210732328U (en) | Tool for withdrawing outer rotor motor tight-fitting bearing | |
| CN204075648U (en) | Main shaft bearing press-loading apparatus | |
| US20220271629A1 (en) | Rotor coil shaping device | |
| CN104057286A (en) | Mounting device for upper bearing of motor rotor | |
| CN104339143A (en) | Tool for assembling bearing rubber gasket assembly and bearing rubber gasket seat | |
| CN203875840U (en) | Bearing disassembling tool | |
| CN113399720B (en) | Outer casing honeycomb ring arc block milling clamp and method | |
| CN212087981U (en) | Mounting structure of cylinder | |
| CN210908832U (en) | Gear bearing dismounting device | |
| CN209954102U (en) | Device for welding centrifugal fan | |
| CN202780549U (en) | Clamping device for jamb post | |
| CN205520353U (en) | Axle and bearing push in device on dobby box | |
| CN203900844U (en) | Device for installing bearing on motor rotor | |
| CN211761236U (en) | Pulley bearing press fitting auxiliary tool | |
| CN210307625U (en) | Small-size bearing dismounting device | |
| CN216462887U (en) | Assembling device for synchronous motor bearing | |
| CN218454886U (en) | Automatic disassembling and assembling equipment for printing roller bearing | |
| CN211029836U (en) | Device for disassembling and connecting motor stator silicon steel sheet pin shaft | |
| CN219275733U (en) | Bearing detacher | |
| CN105656257A (en) | Clamp for assembling and expanding conducting bar of motor rotor | |
| CN204353722U (en) | A kind of quick-replaceable bed plate device on slitting rewinder | |
| CN214490429U (en) | High-speed motor bearing drawing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |