CN215580803U

CN215580803U - Bearing dismounting and replacing mechanism for motor production

Info

Publication number: CN215580803U
Application number: CN202122004101.4U
Authority: CN
Inventors: 陈丽婷; 王艳
Original assignee: Xuzhou Bofeng Bearing Co ltd
Current assignee: Xuzhou Bofeng Bearing Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-18
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a dismounting and replacing mechanism for producing a motor bearing, which belongs to the technical field of motor production and comprises a base, wherein one end of the base is provided with a fixed frame, a motor centering mechanism is arranged in the fixed frame, the other end of the base is provided with a sliding frame, a guide groove is formed in the base, a guide block is arranged at the bottom of the sliding frame and is clamped with the guide groove, locking plates are arranged at the bottoms of two sides of the sliding frame, a fixed table is arranged on the sliding frame, and a bearing centering mechanism is arranged in the fixed table. Carry out centering through motor centering mechanism to motor housing and fix, be convenient for heat bearing hole department, then carry out centering location through bearing centering mechanism to the bearing, make the bearing align with the motor housing axis, the carriage slides again, make the bearing card go into in the bearing hole, it is fixed to make the carriage fixed through lockplate, thereby make bearing and bearing hole remain stable, be convenient for with bearing interference joint after the motor casing cools off, and install the back bearing and still keep coincideing with the motor casing axis, ensure the installation accuracy.

Description

Bearing dismounting and replacing mechanism for motor production

Technical Field

The utility model relates to the technical field of motor production, in particular to a bearing dismounting and replacing mechanism for producing a motor.

Background

In the motor production process, need install the bearing on motor casing inner wall, thereby rotate motor shaft, present mounting means all directly puts the bearing in bearing hole department, then the interference joint is fixed, however, bearing interference joint mode is mostly through the heat altered shape mode, make the bearing hole take place small expansion to the casing heating promptly, then put into the bearing, wait that casing cooling back bearing inner race promptly with casing interference fit, and its axis is difficult to guarantee the parallel and level with the casing axis when the bearing directly puts into, there is the deviation bearing and casing axis after the cooling, influence the motor precision.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects, the utility model aims to provide a dismounting and replacing mechanism for producing a motor bearing.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a dismounting and replacing mechanism for producing a motor bearing, which comprises a base, wherein a fixed frame is fixedly arranged at one end of the base, a motor centering mechanism is arranged in the fixed frame, a sliding frame is arranged at the other end of the base, a guide groove is formed in the base, a guide block is fixedly arranged at the bottom of the sliding frame and is in sliding clamping connection with the guide groove, locking plates are fixedly arranged at the bottoms of two sides of the sliding frame, the locking plates are bolted with the base through bolts, a fixed table is fixedly arranged on the sliding frame, and a bearing centering mechanism is arranged in the fixed table.

Preferably, the guide groove and the guide block are of a T-shaped structure matched with each other, a plurality of threaded holes are formed in the base on two sides of the guide groove, and the locking plate is connected with the threaded holes through bolts.

Preferably, motor centering mechanism includes V type piece, the equal slip joint in inner chamber top and the bottom of fixed frame has V type piece, the spout has all been opened to the both sides inner wall of fixed frame, the equal fixed mounting slider of the both sides outer wall of V type piece, slider slip joint spout, spout internal rotation installation stud, stud threaded connection slider, the top of fixed frame is rotated and is cup jointed first pivot, install the first bevel gear group of matched with between first pivot and stud.

Preferably, two the one side that V type piece is close to mutually is opened has V type groove, and the axis coincidence of two V type groove interval midpoints and fixed station, the screw thread pitch at stud both ends is the same and the rotation is opposite.

Preferably, bearing centering mechanism is including connecting the chamber, it has the connection chamber to open in the fixed station, connect the chamber and the fixed station keep away from one side of fixed frame and rotate and cup joint the second pivot, the outer wall of fixed station is opened there are a plurality of mounting grooves, sliding joint slide in the mounting groove, the mounting groove rotates with connecting the chamber and cup joints the screw rod, screw rod and slide threaded connection, the one end of screw rod stretch into connect the intracavity and with the second pivot between installation matched with second bevel gear group, fixed connection clamping bar on the slide, the clamping bar slides and runs through the fixed station one side near fixed frame.

Preferably, the mounting grooves are uniformly provided in three along the circumferential direction of the fixed table, the clamping rods are of cylindrical structures, and the clamping rods are uniformly distributed along the circumferential direction of the fixed table.

The utility model has the beneficial effects that:

1. the motor shell is placed between the V-shaped blocks, the first rotating shaft is rotated, the first rotating shaft drives the double-end stud to rotate through the first bevel gear set, the double-end stud drives the two V-shaped blocks to be close to each other synchronously through the sliding block, so that the cylindrical outer wall of the motor shell is clamped by self-centering through the V-shaped blocks, the axis of the motor shell is ensured to be coaxial with the fixed table, and the motor shell is conveniently heated to enable the bearing hole to expand;

2. bearing inner race cover is in the three clamping bar outside, rotate the second pivot, the second pivot drives three screw rod simultaneously through second bevel gear group and rotates, thereby make three slide along the mounting groove simultaneously, three clamping bar slides to the outer wall of fixed station simultaneously, then three clamping bar can press from both sides tightly on the bearing inner race inner wall, realize that the centering of bearing is fixed, and bearing axis and fixed station axis coincidence, bearing and motor casing axis coincidence this moment, the slip carriage, make the bearing card go into in the bearing hole, it is fixed to make the carriage through the lockplate, thereby make bearing and bearing hole remain stable, be convenient for motor casing cooling back and bearing interference joint, and installation back bearing and motor casing axis still keep coincidence, ensure the installation accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a dismounting and replacing mechanism for producing a motor bearing according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the motor centering mechanism according to the present invention.

FIG. 3 is a schematic cross-sectional view of the bearing fixing mechanism according to the present invention.

Description of reference numerals: 1. a base; 2. a fixing frame; 3. a motor centering mechanism; 31. a V-shaped block; 32. a chute; 33. a slider; 34. a stud; 35. a first rotating shaft; 36. a first bevel gear set; 4. a carriage; 5. a fixed table; 6. a bearing centering mechanism; 61. a connecting cavity; 62. a second rotating shaft; 63. mounting grooves; 64. a screw; 65. a slide plate; 66. a clamping bar; 67. a second bevel gear set; 7. a guide groove; 8. a guide block; 9. locking plates.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a dismounting and replacing mechanism for producing a motor bearing, which comprises a base 1, wherein a fixed frame 2 is fixedly installed at one end of the base 1, a motor centering mechanism 3 is installed in the fixed frame 2, a sliding frame 4 is arranged at the other end of the base 1, a guide groove 7 is formed in the base 1, a guide block 8 is fixedly installed at the bottom of the sliding frame 4, the guide block 8 is slidably clamped with the guide groove 7, locking plates 9 are fixedly installed at the bottoms of two sides of the sliding frame 4, the locking plates 9 are bolted with the base 1 through bolts, a fixed platform 5 is fixedly installed on the sliding frame 4, and a bearing centering mechanism 6 is installed in the fixed platform 5. Carry out the centering through motor centering mechanism 3 to motor housing fixed, be convenient for heat bearing hole department, then carry out centering location through bearing centering mechanism 6 to the bearing, make the bearing align with the motor housing axis, carriage 4 slides again, make the bearing card go into in the bearing hole, make carriage 4 fixed through lockplate 9, thereby make bearing and bearing hole remain stable, be convenient for with bearing interference joint after the motor casing cooling, and install the back bearing and still keep coincideing with the motor casing axis, ensure the installation accuracy.

Furthermore, the guide groove 7 and the guide block 8 are of a T-shaped structure matched with each other, a plurality of threaded holes are formed in the base 1 on two sides of the guide groove 7, the locking plate 9 is connected with the threaded holes through bolts, and the locking plate 9 is connected with the threaded holes in different positions through bolts, so that the bearing is clamped into the bearing hole.

The motor centering mechanism 3 comprises a V-shaped block 31, the V-shaped block 31 is slidably clamped at the top and the bottom of an inner cavity of the fixing frame 2, sliding grooves 32 are formed in the inner walls of two sides of the fixing frame 2, sliding blocks 33 are fixedly installed on the outer walls of two sides of the V-shaped block 31, the sliding blocks 33 are slidably clamped with the sliding grooves 32, studs 34 are rotatably installed in the sliding grooves 32, the studs 34 are in threaded connection with the sliding blocks 33, the top of the fixing frame 2 is rotatably sleeved with a first rotating shaft 35, a first bevel gear set 36 matched with the first rotating shaft 35 and the studs 34 are installed between the first rotating shaft 35 and the studs 34, V-shaped grooves are formed in the surfaces, close to the two V-shaped blocks 31, the middle points of the intervals of the two V-shaped grooves coincide with the axis of the fixing table 5, the thread pitches of the two ends of the studs 34 are the same and the rotating directions are opposite, the first rotating shaft 35 drives the studs 34 to rotate through the first bevel gear set 36, the studs 34 drives the two V-shaped blocks 31 to synchronously close through the sliding blocks 33, therefore, the cylindrical outer wall of the motor shell is clamped by self-centering through the V-shaped block 31, and the axis of the motor shell is ensured to be coaxial with the fixed table 5.

The bearing centering mechanism 6 comprises a connecting cavity 61, the fixing table 5 is internally provided with the connecting cavity 61, the connecting cavity 61 and one side of the fixing table 5 far away from the fixing frame 2 are rotatably sleeved with a second rotating shaft 62, the outer wall of the fixing table 5 is provided with a plurality of mounting grooves 63, sliding clamping sliding plates 65 are slidably arranged in the mounting grooves 63, screw rods 64 are rotatably sleeved between the mounting grooves 63 and the connecting cavity 61 and are in threaded connection with the sliding plates 65, one ends of the screw rods 64 extend into the connecting cavity 61 and are provided with second bevel gear sets 67 matched with the second rotating shaft 62, clamping rods 66 are fixedly connected on the sliding plates 65 and penetrate through one side, close to the fixing frame 2, of the fixing table 5 in a sliding manner, the mounting grooves 63 are uniformly provided with three clamping rods 66 along the circumferential direction of the fixing table 5, the clamping rods 66 are of a cylindrical structure, the clamping rods 66 are uniformly distributed along the circumferential direction of the fixing table 5, the second rotating shaft 62 is rotated, the second rotating shaft 62 drives the three screw rods 64 to rotate through the second bevel gear sets 67, thereby make three slide 65 slide along mounting groove 63 simultaneously, three clamping bar 66 slides to the outer wall of fixed station 5 simultaneously, then three clamping bar 66 can press from both sides tightly on the bearing inner circle inner wall, realize the centering of bearing fixed, and the bearing axis coincides with fixed station 5 axis.

When the bearing clamping device is used, a motor shell is placed between the V-shaped blocks 31, the first rotating shaft 35 is rotated to drive the stud bolts 34 to rotate through the first bevel gear set 36, the stud bolts 34 drive the two V-shaped blocks 31 to synchronously approach through the sliding blocks 33, so that the cylindrical outer wall of the motor shell is self-centering clamped through the V-shaped blocks 31, the axis of the motor shell is ensured to be coaxial with the fixed table 5, then the bearing inner ring is sleeved outside the three clamping rods 66, the second rotating shaft 62 is rotated, the second rotating shaft 62 drives the three screw rods 64 to rotate through the second bevel gear set 67, so that the three sliding plates 65 simultaneously slide along the mounting grooves 63, the three clamping rods 66 simultaneously slide towards the outer wall of the fixed table 5, the three clamping rods 66 can be clamped on the inner wall of the bearing inner ring, the centering fixation of the bearing is realized, the axis of the bearing is coincident with the axis of the fixed table 5, and the axis of the bearing is coincident with the motor shell at the moment, make the dead eye inflation back to motor casing heating, slip carriage 4 again for in the dead eye is gone into to the bearing card, make carriage 4 fixed through lockplate 9, thereby make bearing and dead eye remain stable, be convenient for motor casing cooling back and bearing interference joint, and installation back bearing still keeps the coincidence with motor casing axis, ensures the installation accuracy.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a mechanism is torn open and trade to production motor bearing, includes base (1), its characterized in that: the fixed frame of one end fixed mounting (2) of base (1), installation motor centering mechanism (3) in fixed frame (2), the other end of base (1) is equipped with carriage (4), it has guide way (7) to open on base (1), bottom fixed mounting guide block (8) of carriage (4), guide block (8) slip joint guide way (7), the equal fixed mounting lockplate (9) in both sides bottom of carriage (4), through the bolt grafting between lockplate (9) and base (1), fixed mounting fixed station (5) are gone up in carriage (4), installation bearing centering mechanism (6) in fixed station (5).

2. A production motor bearing changing mechanism as claimed in claim 1, wherein: the guide groove (7) and the guide block (8) are of T-shaped structures matched with each other, a plurality of threaded holes are formed in the bases (1) on two sides of the guide groove (7), and the locking plate (9) is connected with the threaded holes through bolts.

3. A production motor bearing changing mechanism as claimed in claim 1, wherein: motor centering mechanism (3) are including V type piece (31), the inner chamber top and the equal slip joint in bottom of fixed frame (2) have V type piece (31), spout (32) have all been opened to the both sides inner wall of fixed frame (2), the equal fixed mounting slider (33) of both sides outer wall of V type piece (31), slider (33) slip joint spout (32), spout (32) internal rotation installation stud (34), stud (34) threaded connection slider (33), the top of fixed frame (2) is rotated and is cup jointed first pivot (35), installation matched with first bevel gear group (36) between first pivot (35) and stud (34).

4. A production motor bearing changing mechanism as claimed in claim 3, wherein: two the one side that V type piece (31) are close to mutually is opened there is V type groove, and the axis coincidence of two V type groove interval midpoints and fixed station (5), the screw thread pitch at stud (34) both ends is the same and the rotation is opposite.

5. A production motor bearing changing mechanism as claimed in claim 1, wherein: bearing centering mechanism (6) are including connecting chamber (61), it has connection chamber (61) to open in fixed station (5), connect chamber (61) and fixed station (5) keep away from one side of fixed frame (2) and rotate and cup joint second pivot (62), the outer wall of fixed station (5) is opened has a plurality of mounting grooves (63), slide joint slide (65) in mounting groove (63), mounting groove (63) with connect chamber (61) and rotate and cup joint screw rod (64), screw rod (64) and slide (65) threaded connection, the one end of screw rod (64) stretch into connect chamber (61) in and with second pivot (62) between installation matched with second bevel gear group (67), fixed connection clamping bar (66) is gone up in slide (65), clamping bar (66) slide and run through the one side that fixed station (5) are close to fixed frame (2).

6. A production motor bearing replacement mechanism as claimed in claim 5, wherein: the mounting groove (63) is uniformly provided with three mounting grooves along the circumferential direction of the fixed table (5), the clamping rods (66) are of cylindrical structures, and the clamping rods (66) are uniformly distributed along the circumferential direction of the fixed table (5).