CN216264446U

CN216264446U - Motor press-mounting machine

Info

Publication number: CN216264446U
Application number: CN202121800312.2U
Authority: CN
Inventors: 董明海; 文益雪; 黄楷钦; 王九真
Original assignee: Foshan Dengqi Servo Technology Co ltd; Foshan Golden Age Motor Technology Co ltd
Current assignee: Foshan Dengqi Servo Technology Co ltd; Foshan Golden Age Motor Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-04-12
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a motor press-mounting machine, which comprises a working table, wherein the working table is provided with: the lifting mechanism is provided with an upper lifting end and a lower lifting end which can move along the up-and-down direction, the upper lifting end is positioned above the lower lifting end, the upper jacking piece is connected with the upper lifting end, and the upper jacking piece is provided with an upper jacking end facing downwards; the lower jacking piece is connected to the lower lifting end and provided with a lower jacking end facing upwards, the upper jacking end and the lower jacking end are positioned on the same vertical line, and a press-fitting space is formed between the upper jacking end and the lower jacking end; the positioning jig is connected to the working table in a sliding mode and can move in the direction close to or far away from the press-fitting space, the working table is provided with the locking mechanism, and the locking mechanism can lock the positioning jig in the press-fitting space.

Description

Motor press-mounting machine

Technical Field

The utility model relates to motor production equipment, in particular to a motor press-mounting machine.

Background

The motor is including stator and rotor, and the during operation rotor is high-speed rotatory in the stator, and this coaxial precision that just requires between the stator and the rotor is high, and when the motor pressure equipment, to the axiality influence between the stator and the rotor of motor great, the big motor assembly means of using always at present still adopts overhead traveling crane and manual work to accomplish, and pressure equipment speed is slow, the precision is low, is difficult to improve the productivity effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor press-mounting machine, which solves one or more technical problems in the prior art and provides at least one beneficial choice or creation condition.

The solution of the utility model for solving the technical problem is as follows:

the utility model provides a motor pressure equipment machine, includes table surface, table surface is last to be provided with: the lifting mechanism is provided with an upper lifting end and a lower lifting end which can move along the up-and-down direction, the upper lifting end is positioned above the lower lifting end, the upper jacking piece is connected with the upper lifting end, and the upper jacking piece is provided with an upper jacking end facing downwards; the lower jacking piece is connected to the lower lifting end, the lower jacking piece is provided with a downward jacking end facing upwards, the upper jacking end and the lower jacking end are positioned on the same vertical line, and a press-fitting space is formed between the upper jacking end and the lower jacking end; the positioning jig is connected to the working table in a sliding mode, the positioning jig can move in the direction close to or far away from the press-fitting space, a locking mechanism is arranged on the working table, and the locking mechanism can lock the positioning jig in the press-fitting space.

The technical scheme at least has the following beneficial effects: the stator to be pressed is placed on the positioning jig, then the positioning jig slides into the pressing space, then the positioning jig is locked in the pressing space through the locking mechanism, the rotor with the isolating outer sleeve is placed on the stator, the ascending and descending end drives the upper ejecting piece, the lower ascending and descending end drives the lower ejecting piece to ascend together, the lower ejecting piece abuts against the rotor, the ascending and descending end drives the upper ejecting piece to move downwards to abut against the rotor, the isolating outer sleeve on the stator is detached, the ascending and descending end drives the upper ejecting piece and the lower ascending and descending end drives the lower ejecting piece to descend together, the rotor and the stator are pressed together, finally the ascending and descending end drives the upper ejecting piece to ascend, the locking mechanism is loosened, the positioning jig can be moved out of the pressing space, pressing is completed, the rotor and the stator can be kept coaxial in the whole motor pressing process, the motor pressing and the motor production quality can be improved more accurately and reliably.

As a further improvement of the above technical solution, the lifting mechanism includes a portal frame, a lifting driving member, a guide post, a driving screw, an upper lifting plate and a lower lifting plate, the portal frame is connected to the top side of the working table, one end of the guide post is connected to the working table, the other end of the guide post extends downward and penetrates out of the working table, the upper lifting plate and the lower lifting plate are both slidably connected to the guide post, the upper lifting plate is the upper lifting end, the lower lifting plate is the lower lifting end, the lower lifting plate is located below the working table, the lifting driving member is connected to the portal frame, the lifting driving member is drivingly connected to the upper lifting plate, the driving screw penetrates through the upper lifting plate and the lower lifting plate, and the driving screw is cooperatively connected with a locking nut and a quick-change nut, the quick-change nut is provided with a thread channel capable of being opened and closed, the transmission screw rod is positioned in the thread channel, at least one locking nut is arranged on the top side of the lower lifting plate, the bottom side of the lower lifting plate and the bottom side of the upper lifting plate, and at least one quick-change nut is arranged on the top side of the upper lifting plate and the working table top. Because the upper and lower sides of the lower lifting plate are provided with the locking nuts, the lower lifting plate and the transmission screw can be relatively fixed, the locking nuts at the bottom side of the lower lifting plate can limit the downward movement stroke of the upper lifting plate along the transmission screw, the quick-change nuts at the top side of the upper lifting plate are disassembled, the quick-change nuts at the top side of the workbench are kept, the movement limitation of the upper lifting plate is removed, the upper lifting plate can be directly and independently driven to move up and down through the lifting driving piece, the transmission screw is kept relatively fixed with the workbench surface through the quick-change nuts of the workbench surface, the lower lifting plate does not move along with the upper lifting plate, the quick-change nuts at the top side of the upper lifting plate are assembled and disassembled, the upper lifting plate and the lower lifting plate can be driven to simultaneously move up and down through the lifting driving piece, so different lifting modes can be realized through one lifting driving piece, the use is flexible and convenient, and the same straightness of the up-and-down movement can be kept.

As a further improvement of the above technical solution, the quick-change nut includes: the connecting structure comprises a first connecting block, a second connecting block and a connecting piece, wherein a first arc-shaped through groove is formed in one side surface of the first connecting block, the first arc-shaped through groove extends in the vertical direction, a first mounting hole and a first positioning hole which extend in the vertical direction are formed in the first connecting block, and the first mounting hole and the first positioning hole are respectively located on two sides of the first arc-shaped through groove; the second connecting block is provided with a second arc-shaped through groove at the position right opposite to the first arc-shaped through groove, the second arc-shaped through groove extends along the vertical direction, a second mounting hole and a second positioning hole which extend along the vertical direction are formed in the second connecting block, the second mounting hole and the second positioning hole are respectively located on two sides of the second arc-shaped through groove, the first mounting hole and the second mounting hole are located on the same vertical line, a rotating shaft is connected between the first mounting hole and the second mounting hole, the first arc-shaped through groove and the second arc-shaped through groove are enclosed to form the threaded channel, and a positioning pin is inserted between the first positioning hole and the second positioning hole. The first arc-shaped through groove on the first connecting block and the second arc-shaped through groove on the second connecting block enclose a threaded channel, the quick-change nut can be connected onto the transmission screw rod by utilizing the threaded channel, when the quick-change nut needs to be detached from the transmission screw rod, the quick-change nut can be rotationally detached from the transmission screw rod, the positioning pin can be withdrawn from the position between the first positioning hole and the second positioning hole, and the first connecting block and the second connecting block can rotate around the rotating shaft at the moment, so that the first connecting block and the second connecting block are mutually separated, the quick-change nut can be directly detached from the external thread structure at the moment, when the quick-change nut needs to be reinstalled back to the transmission screw rod, the first connecting block and the second connecting block are rotationally closed, and then the positioning pin is inserted between the first positioning hole and the second positioning hole.

As a further improvement of the above technical scheme, the first connecting block includes a first minor arc upper stage and a first major arc lower stage which are sequentially arranged from top to bottom, the first arc-shaped through groove is formed in the same side face of the first minor arc upper stage and the first major arc lower stage, the first mounting hole is located in the first major arc lower stage, the second connecting block includes a second major arc upper stage and a second minor arc lower stage which are sequentially arranged from top to bottom, the second arc-shaped through groove is formed in the second major arc upper stage and the same side face of the second minor arc lower stage, the second mounting hole is located in the second major arc upper stage, and two ends of the first major arc lower stage are respectively located below two ends of the second major arc upper stage. The second major arc is put on the first major arc and is put on the stage for first connecting block and second connecting block form a structure of overlap joint each other, and first connecting block and second connecting block are under the state of closing up, and both combine inseparabler.

As a further improvement of the above technical solution, the positioning jig includes: the base plate is connected to the working table in a sliding mode, a positioning groove is formed in the top surface of the base plate, a first through hole is formed in the center of the positioning groove, the base plate can be locked in the press-fitting space through the locking mechanism, an avoidance long hole is formed in the position, opposite to the first through hole, of the working table, and the avoidance long hole extends along the sliding direction of the base plate; the positioning disc is embedded into the positioning groove at the bottom side, a second through hole is formed in the positioning disc, the central line of the second through hole is overlapped with the central line of the first through hole, one side, provided with the second through hole, of the positioning disc is an inner side, the vertical cross section of the positioning disc is in a multi-stage ladder shape gradually rising from inside to outside, a first annular plane counted from top to bottom on the positioning disc is a first plane, a second annular plane counted from top to bottom on the positioning disc is a second plane, a first notch is formed in the first plane, the first notch penetrates through the first plane in the radial direction of the positioning disc, and extends to the second plane. The base plate is used for being installed on a working table, the positioning disc can be used for positioning a stator to be assembled, a rotating shaft of the motor can pass through the first through hole and the second through hole, the vertical section of the positioning disc is in a multi-stage ladder shape, namely, the positioning disc is formed by vertically stacking a plurality of circular rings with different inner and outer diameters, annular planes with different sizes are formed on the positioning disc, limiting spaces with different sizes are formed in ladder-shaped inner angles on the positioning disc, and the positioning disc can adapt to stator end covers with different specifications and sizes, the mounting flange of the stator is placed on the second plane, the end angle of the mounting flange extends out of the first notch, thereby realizing the limit and clamping of the mounting flange, the positioning disk can be detached from the base plate for replacement, the use is more flexible, therefore, the replacement steps of the tool are reduced when the motors of different models are pressed, the whole production and assembly efficiency is improved, and the equipment cost is saved.

As a further improvement of the above technical solution, an inner diameter of the second through hole is smaller than an inner diameter of the first through hole, and an annular corner groove is formed between an inner side surface of the positioning plate and a bottom surface of the positioning groove. The inner diameter difference of the second through hole and the first through hole on the positioning disc is utilized, so that a one-stage step-shaped annular angle groove is formed between the inner side surface of the positioning disc and the positioning groove, the stator can be positioned by utilizing the annular angle groove, and the size adaptability is further improved.

As a further improvement of the above technical solution, a third annular plane counted from top to bottom on the positioning plate is a third plane, a first gasket is embedded in the third plane, and an inner diameter of the first gasket is smaller than an inner diameter of the third plane. The diameter of the ring on which the third plane is located can be changed by the first gasket, so that the versatility can be further improved.

As a further improvement of the technical scheme, an avoiding groove is formed in the position, right opposite to the first notch, on the second plane, and the avoiding groove extends to the outer side wall of the positioning disc. When the positioning disk needs to be disassembled and assembled, the peripheral tools can extend into the avoiding groove, so that the positioning disk can be conveniently grabbed.

As a further improvement of the above technical solution, the positioning device further includes an outer protective ring, the outer protective ring is connected to the substrate, an inner side wall of the outer protective ring abuts against an outer side wall of the positioning plate, the inner side wall of the outer protective ring is provided with a second notch, the second notch penetrates through the outer protective ring along an up-down direction, and the second notch is aligned to the first notch. The outer protective ring can protect the stator mounting flange to be assembled, and the second notch can avoid the end angle of the stator mounting flange to avoid interference.

As a further improvement of the above technical solution, the locking mechanism includes a rotary drum, a pressing plate and a locking screw, the rotary drum is vertically connected to the working table, one end of the pressing plate is rotatably connected to the rotary drum, a rotation axis of the pressing plate extends in a vertical direction, a slot is arranged on the pressing plate along a length extending direction of the pressing plate, the locking screw passes through the slot and then is connected to the working table, and the locking screw presses the pressing plate to the positioning fixture. The clamp plate can revolute a section of thick bamboo and rotate to make one end rotate to a terminal angle department of stator, then tighten locking screw, make locking screw compress tightly positioning jig with the clamp plate, can fix positioning jig's position.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is an overall elevational view of the present invention;

FIG. 2 is a perspective view of the quick-change nut of the present invention;

FIG. 3 is a top view of the positioning fixture of the present invention;

fig. 4 is a schematic view of the sectional structure a-a of fig. 3.

In the drawings: 100-workbench surface, 210-upper lifting end, 211-upper jacking piece, 220-lower lifting end, 222-lower jacking piece, 230-portal frame, 240-lifting driving piece, 250-guide post, 260-transmission screw, 300-positioning jig, 310-base plate, 311-first through hole, 320-positioning disc, 321-second through hole, 322-first plane, 323-second plane, 324-first notch, 325-third plane, 326-first gasket, 327-avoidance groove, 330-outer protective ring, 331-second notch, 400-quick-change nut, 410-first connecting block, 411-first arc through groove, 412-first minor arc upper table, 413-first major arc lower table, 420-second connecting block, 421-second arc through groove, 422-a second major arc upper table, 423-a second minor arc lower table, 430-a rotating shaft, 440-a positioning pin, 500-a locking nut, 610-a rotating cylinder and 620-a pressing plate.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, a motor press-mounting machine includes a work table 100, where the work table 100 is provided with: the lifting mechanism is provided with an upper lifting end 210 and a lower lifting end 220 which can move along the up-and-down direction, the upper lifting end 210 is positioned above the lower lifting end 220, an upper jacking piece 211 is connected with the upper lifting end 210, and the upper jacking piece 211 is provided with an upper jacking end facing downwards; a lower pushing member 222 connected to the lower lifting end 220, wherein the lower pushing member 222 has an upward lower pushing end, the upper pushing end and the lower pushing end are located on the same vertical line, and a press-fitting space is formed between the upper pushing end and the lower pushing end; the positioning jig 300 is slidably connected to the workbench 100, the positioning jig 300 can move in a direction close to or away from the press-fitting space, and a locking mechanism is arranged on the workbench 100 and can lock the positioning jig 300 in the press-fitting space.

As can be seen from the above, the stator to be press-fitted is placed on the positioning fixture 300, then the positioning fixture 300 is slid into the press-fitting space, then the positioning fixture 300 is locked in the press-fitting space by the locking mechanism, the rotor with the isolating casing is placed on the stator, the upper lifting end 210 drives the upper lifting part 211, the lower lifting end 220 drives the lower lifting part 222 to ascend together, the lower lifting part 222 abuts against the rotor, then the upper lifting end 210 drives the upper lifting part 211 to move downwards to abut against the rotor, then the isolating casing on the stator is removed, the upper lifting end 210 drives the upper lifting part 211, the lower lifting end 220 drives the lower lifting part 222 to descend together, the rotor and the stator are press-fitted together, finally the upper lifting end 210 drives the upper lifting part 211 to ascend, the locking mechanism is released, the positioning fixture 300 can be moved out of the press-fitting space, the press-fitting is completed, so that the rotor and the stator can be kept coaxial during the whole motor press-fitting process, more accurate and reliable, and improves the production quality of the motor. In practical application, the upper ejection member 211 and the lower ejection member 222 can be both rod-shaped structures, the upper tight-pushing end is the tapered tip at the bottom end of the upper ejection member 211, so that the positioning is convenient, and similarly, the lower tight-pushing end is the tapered tip at the top end of the lower ejection member 222, and the upper tight-pushing end and the lower tight-pushing end are on the same vertical line and are convenient to keep coaxial.

The lifting mechanism mainly drives the upper lifting end 210 and the lower lifting end 220 to move in the up-and-down direction, in this embodiment, the lifting mechanism includes a portal frame 230, a lifting driving member 240, a guide post 250, a transmission screw 260, an upper lifting plate and a lower lifting plate, the portal frame 230 is connected to the top side of the working table 100, one end of the guide post 250 is connected to the working table 100, the other end of the guide post 250 extends downward and penetrates out of the working table 100, the upper lifting plate and the lower lifting plate are both slidably connected to the guide post 250, the upper lifting plate is the upper lifting end 210, the lower lifting plate is the lower lifting end 220, the lower lifting plate is located below the working table 100, the lifting driving member 240 is connected to the portal frame 230, the lifting driving member 240 is drivingly connected to the upper lifting plate, the transmission screw 260 penetrates through the upper lifting plate and the lower lifting plate, the transmission screw 260 is connected with a lock nut 500 and a quick-change nut 400 in a matching manner, the quick-change nut 400 is provided with a thread channel which can be opened and closed, the transmission screw 260 is positioned in the thread channel, at least one lock nut 500 is arranged on the top side of the lower lifting plate, the bottom side of the lower lifting plate and the bottom side of the upper lifting plate, and at least one quick-change nut 400 is arranged on the top side of the upper lifting plate and the working table top 100. Because the upper and lower sides of the lower lifting plate are provided with the locking nuts 500, the lower lifting plate and the transmission screw 260 can be relatively fixed, the locking nuts 500 at the bottom side of the lower lifting plate can limit the downward movement stroke of the upper lifting plate along the transmission screw 260, the quick-change nuts 400 at the top side of the upper lifting plate are disassembled, the quick-change nuts 400 at the top side of the workbench are kept, the movement limitation of the upper lifting plate is removed, the upper lifting plate can be directly and independently driven to move up and down through the lifting driving piece 240, the transmission screw 260 is kept relatively fixed with the workbench surface 100 through the quick-change nuts 400 of the workbench surface 100, the lower lifting plate does not follow the movement of the upper lifting plate, the quick-change nuts 400 at the top side of the upper lifting plate are assembled and disassembled, the quick-change nuts 400 of the workbench surface 100 are disassembled, the upper lifting plate and the lower lifting plate can be driven to move up and down simultaneously through the lifting driving piece 240, thus different lifting modes can be realized through one lifting driving piece 240, the use is flexible and convenient, the same linearity of the up-and-down movement can be kept, and the lifting driving piece 240 can be a lifting screw rod and can also be driven by a lifting cylinder, a lifting hydraulic cylinder and the like.

The quick-change nut 400 is mainly provided with a thread passage capable of being opened and closed to facilitate quick assembly and disassembly with the drive screw 260, as shown in fig. 2, and in this embodiment, the quick-change nut 400 includes: a first connecting block 410, one side of which is provided with a first arc-shaped through groove 411, the first arc-shaped through groove 411 extends in the up-down direction, a first mounting hole and a first positioning hole extending in the vertical direction are arranged on the first connecting block 410, and the first mounting hole and the first positioning hole are respectively located at two sides of the first arc-shaped through groove 411; the second connecting block 420 is provided with a second arc-shaped through groove 421 at a position right opposite to the first arc-shaped through groove 411, the second arc-shaped through groove 421 extends along the vertical direction, the second connecting block 420 is provided with a second mounting hole and a second positioning hole which extend along the vertical direction, the second mounting hole and the second positioning hole are respectively located at two sides of the second arc-shaped through groove 421, the first mounting hole and the second mounting hole are located on the same vertical line, a rotating shaft 430 is connected between the first mounting hole and the second mounting hole, the first arc-shaped through groove 411 and the second arc-shaped through groove 421 enclose the threaded passage, and a positioning pin 440 is inserted between the first positioning hole and the second positioning hole. The first arc-shaped through groove 411 of the first connecting block 410 and the second arc-shaped through groove 421 of the second connecting block 420 form a threaded channel, and the quick-change nut can be connected to the driving screw 260 by using the threaded channel, when the quick-change nut needs to be removed from the driving screw 260, the quick-change nut can be rotated out of the driving screw 260, the positioning pin 440 can be withdrawn from between the first positioning hole and the second positioning hole, and at this time, the first connecting block 410 and the second connecting block 420 can rotate around the rotating shaft 430, so that the first connecting block 410 and the second connecting block 420 can be separated from each other, the quick-change nut can be directly separated from the external thread structure, and when the quick-change nut needs to be reinstalled back to the driving screw 260, the first connecting block 410 and the second connecting block 420 are rotated and closed, and then the positioning pin 440 is inserted between the first positioning hole and the second positioning hole.

In practical production, the quick-change nut 400 can be formed by ordinary nut machining and cutting, so that the quick-change nut 400 can be manufactured conveniently, in this embodiment, the first connecting block 410 includes a first minor arc upper stage 412 and a first major arc lower stage 413 sequentially arranged from top to bottom, the first arc-shaped through slot 411 is disposed on the same side of the first minor arc upper platform 412 and the first major arc lower platform 413, the first mounting hole and the first positioning hole are located on the first major arc lower stage 413, the second connecting block 420 comprises a second major arc upper stage 422 and a second minor arc lower stage 423 which are sequentially arranged from top to bottom, the second arc-shaped through groove 421 is disposed on the same side of the second major arc upper stage 422 and the second minor arc lower stage 423, the second mounting hole and the second positioning hole are located on the second major arc upper platform 422, and two ends of the first major arc lower platform 413 are located below two ends of the second major arc upper platform 422 respectively. The second upper arc stage 422 is lapped on the first lower arc stage 413, so that the first connecting block 410 and the second connecting block 420 form a mutually overlapped structure, and the first connecting block 410 and the second connecting block 420 are combined more tightly in a closed state.

As shown in fig. 3 and 4, the positioning fixture 300 is mainly used for positioning the stator, and in this embodiment, the positioning fixture 300 includes: the base plate 310 is connected to the working table 100 in a sliding manner, a positioning groove is formed in the top surface of the base plate 310, a first through hole 311 is formed in the center of the positioning groove, the base plate 310 can be locked in the press-fitting space by the locking mechanism, an avoidance long hole is formed in the position, facing the first through hole 311, of the working table 100, and the avoidance long hole extends along the sliding direction of the base plate 310; the bottom side of the positioning disc 320 is embedded into the positioning groove, a second through hole 321 is formed in the positioning disc 320, the center line of the second through hole 321 is overlapped with the center line of the first through hole 311, the side, where the second through hole 321 is formed, of the positioning disc 320 is the inner side, the vertical cross section of the positioning disc 320 is in a multi-step shape gradually rising from inside to outside, a first annular plane counted from top to bottom on the positioning disc 320 is a first plane 322, a second annular plane counted from top to bottom on the positioning disc 320 is a second plane 323, a first notch 324 is formed in the first plane 322, the first notch 324 penetrates through the first plane 322 along the radial direction of the positioning disc 320, and the first notch 324 extends to the second plane 323. The base plate 310 is used for being mounted on the working table 100, the positioning disc 320 can be used for positioning a stator to be assembled, the rotating shaft 430 of the motor can pass through the first through hole 311 and the second through hole 321, the vertical section of the positioning disc 320 is in a multi-stage ladder shape, namely, the positioning disc is formed by stacking a plurality of circular rings with different inner and outer diameters up and down, annular planes with different sizes are formed on the positioning disc 320, the ladder-shaped inner angles on the positioning disc 320 form limiting spaces with different sizes, the positioning disc is suitable for stator end covers with different specifications and sizes, the mounting flange of the stator is placed on the second plane 323, the end angle of the mounting flange extends out of the first notch 324, so that the limiting and clamping of the mounting flange are realized, the positioning disc 320 can be detached from the base plate 310 for replacement, the use is more flexible, the replacement steps of the tool are reduced when motors with different models are pressed, and the whole production and assembly efficiency is improved, and saves equipment cost.

In the above embodiment, the motor is mainly positioned by using multiple steps on the positioning plate 320, in this embodiment, the inner diameter of the second through hole 321 is smaller than the inner diameter of the first through hole 311, and an annular angular groove is formed between the inner side surface of the positioning plate 320 and the bottom surface of the positioning groove. By utilizing the inner diameter difference between the second through hole 321 and the first through hole 311 on the positioning plate 320, a one-stage step-shaped annular angle groove is formed between the inner side surface of the positioning plate 320 and the positioning groove, the stator can be positioned by utilizing the annular angle groove, and the size adaptability is further improved.

In addition to the fact that the positioning plate 320 can be replaced entirely to change the size of the adaptable motor, in this embodiment, a third annular plane from top to bottom on the positioning plate 320 is a third plane 325, a first gasket 326 is embedded in the third plane 325, and an inner diameter of the first gasket 326 is smaller than an inner diameter of the third plane 325. The use of the first washer 326 allows the diameter of the annulus in which the third plane 325 is located to be varied, thereby further increasing versatility.

The bottom side of the positioning plate 320 is embedded into the positioning groove, the positioning plate 320 and the positioning groove are detachably connected, in order to conveniently detach the positioning plate 320 from the tightly-matched substrate 310, in this embodiment, an avoiding groove 327 is provided on the second plane 323 at a position opposite to the first notch 324, and the avoiding groove 327 extends to an outer side wall of the positioning plate 320. When it is desired to disassemble or assemble the puck 320, a tool from the outside can extend into the escape slot 327, so that the puck 320 can be easily grasped.

The utility model further comprises an outer guard ring 330, the outer guard ring 330 is connected to the substrate 310, the inner side wall of the outer guard ring 330 abuts against the outer side wall of the positioning plate 320, a second notch 331 is formed in the inner side wall of the outer guard ring 330, the second notch 331 penetrates through the outer guard ring 330 in the vertical direction, and the second notch 331 is opposite to the first notch 324. The outer guard ring 330 can protect the stator mounting flange to be assembled, and the second notch 331 can avoid the end angle of the stator mounting flange to avoid interference.

The locking mechanism is mainly used for fixing the positioning fixture 300 in the press-fitting space, in this embodiment, the locking mechanism includes a rotary drum 610, a pressing plate 620 and a locking screw, the rotary drum 610 is vertically connected to the worktable board 100, one end of the pressing plate 620 is rotatably connected to the rotary drum 610, a rotation axis of the pressing plate 620 extends in the vertical direction, a slotted hole is formed in the pressing plate 620 along the length extension direction of the pressing plate, the locking screw passes through the slotted hole and then is connected to the worktable board 100, and the locking screw presses the pressing plate 620 to the positioning fixture 300. The pressing plate 620 can rotate around the rotating cylinder 610, one end of the pressing plate is rotated to one end corner of the stator, and then the locking screw is tightened, so that the pressing plate 620 is pressed against the positioning jig 300 through the locking screw, and the position of the positioning jig 300 can be fixed.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims

1. The motor press-mounting machine is characterized in that: including table surface (100), be provided with on table surface (100):

a lifting mechanism which is provided with an upper lifting end (210) and a lower lifting end (220) which can move along the up-and-down direction, wherein the upper lifting end (210) is positioned above the lower lifting end (220),

an upper ejector (211) connected to the upper lifting end (210), the upper ejector (211) having an upper puller end facing downward;

the lower jacking piece (222) is connected to the lower lifting end (220), the lower jacking piece (222) is provided with a downward jacking end which faces upwards, the upper jacking end and the lower jacking end are positioned on the same vertical line, and a press-fitting space is formed between the upper jacking end and the lower jacking end;

the positioning jig (300) is connected to the working table top (100) in a sliding mode, the positioning jig (300) can move in the direction close to or far away from the press-fitting space, a locking mechanism is arranged on the working table top (100), and the positioning jig (300) can be locked in the press-fitting space through the locking mechanism.

2. The electric machine press-fitting machine according to claim 1, wherein: the lifting mechanism comprises a portal frame (230), a lifting driving piece (240), a guide post (250), a transmission screw (260), an upper lifting plate and a lower lifting plate, the portal frame (230) is connected to the top side of the working table top (100), one end of the guide post (250) is connected to the working table top (100), the other end of the guide post (250) extends downwards and penetrates out of the working table top (100), the upper lifting plate and the lower lifting plate are both connected to the guide post (250) in a sliding manner, the upper lifting plate is the upper lifting end (210), the lower lifting plate is the lower lifting end (220), the lower lifting plate is positioned below the working table top (100), the lifting driving piece (240) is connected to the portal frame (230), the lifting driving piece (240) is connected to the upper lifting plate in a driving manner, and the transmission screw (260) penetrates through the upper lifting plate and the lower lifting plate, the quick-change lifting plate is characterized in that a locking nut (500) and a quick-change nut (400) are connected to the transmission screw (260) in a matched mode, the quick-change nut (400) is provided with a thread channel capable of being opened and closed, the transmission screw (260) is located in the thread channel, at least one locking nut (500) is arranged on the top side of the lower lifting plate, the bottom side of the lower lifting plate and the bottom side of the upper lifting plate, and at least one quick-change nut (400) is arranged on the top side of the upper lifting plate and the working table top (100).

3. The electric machine press-fitting machine according to claim 2, wherein: the quick-change nut (400) comprises:

the connecting device comprises a first connecting block (410), wherein a first arc-shaped through groove (411) is formed in one side surface of the first connecting block (410), the first arc-shaped through groove (411) extends in the vertical direction, a first mounting hole and a first positioning hole which extend in the vertical direction are formed in the first connecting block (410), and the first mounting hole and the first positioning hole are respectively located on two sides of the first arc-shaped through groove (411);

the second connecting block (420) is provided with a second arc-shaped through groove (421) at a position right opposite to the first arc-shaped through groove (411), the second arc-shaped through groove (421) extends along the vertical direction, a second mounting hole and a second positioning hole which extend along the vertical direction are arranged on the second connecting block (420), the second mounting hole and the second positioning hole are respectively positioned at two sides of the second arc-shaped through groove (421), the first mounting hole and the second mounting hole are positioned on the same vertical line, a rotating shaft (430) is connected between the first mounting hole and the second mounting hole, the first arc-shaped through groove (411) and the second arc-shaped through groove (421) are encircled to form a threaded channel, and a positioning pin (440) is inserted between the first positioning hole and the second positioning hole.

4. The electric machine press-fitting machine according to claim 3, wherein: the first connecting block (410) comprises a first inferior arc upper platform (412) and a first superior arc lower platform (413) which are arranged from top to bottom in sequence, the first arc-shaped through groove (411) is arranged on the same side surface of the first inferior arc upper platform (412) and the first superior arc lower platform (413), the first mounting hole and the first positioning hole are positioned on the first major arc lower platform (413), the second connecting block (420) comprises a second major arc upper platform (422) and a second minor arc lower platform (423) which are sequentially arranged from top to bottom, the second arc-shaped through groove (421) is arranged on the same side surface of the second major arc upper platform (422) and the second minor arc lower platform (423), the second mounting hole and the second positioning hole are positioned on the second major arc upper table (422), and two ends of the first major arc lower platform (413) are respectively positioned below two ends of the second major arc upper platform (422).

5. The electric machine press-fitting machine according to claim 1, wherein: the positioning jig (300) includes:

the base plate (310) is connected to the working table top (100) in a sliding mode, a positioning groove is formed in the top surface of the base plate (310), a first through hole (311) is formed in the center of the positioning groove, the base plate (310) can be locked in the press-fitting space through the locking mechanism, an avoidance long hole is formed in the position, facing the first through hole (311), of the working table top (100), and the avoidance long hole extends along the sliding direction of the base plate (310);

a positioning disc (320), the bottom side of which is embedded into the positioning groove, a second through hole (321) is arranged on the positioning disc (320), the center line of the second through hole (321) and the center line of the first through hole (311) are coincident with each other, the side of the positioning disc (320) provided with the second through hole (321) is taken as the inner side, the vertical section of the positioning plate (320) is in a multi-step shape which gradually rises from inside to outside, a first annular plane counted from top to bottom on the positioning disc (320) is a first plane (322), a second annular plane counted from top to bottom on the positioning disc (320) is a second plane (323), a first notch (324) is formed in the first plane (322), the first notch (324) penetrates through the first plane (322) along the radial direction of the positioning disc (320), and the first notch (324) extends to the second plane (323).

6. The electric machine press-fitting machine according to claim 5, wherein: the inner diameter of the second through hole (321) is smaller than that of the first through hole (311), and an annular corner groove is formed between the inner side face of the positioning disc (320) and the bottom face of the positioning groove.

7. The electric machine press-fitting machine according to claim 5, wherein: the third annular plane that counts up from top to bottom on positioning disk (320) is third plane (325), it has first packing ring (326) to embed in third plane (325), the internal diameter of first packing ring (326) is less than the internal diameter of third plane (325).

8. The electric machine press-fitting machine according to claim 5, wherein: just on second plane (323) be provided with in the position of first breach (324) and dodge groove (327), dodge groove (327) extend to the lateral wall of positioning disk (320).

9. The electric machine press-fitting machine according to claim 5, wherein: still include outer retaining ring (330), outer retaining ring (330) connect in on base plate (310), the inside wall of outer retaining ring (330) with the lateral wall of positioning disk (320) offsets, the inside wall of outer retaining ring (330) is provided with second breach (331), second breach (331) run through along upper and lower direction outer retaining ring (330), second breach (331) just to first breach (324).

10. The electric machine press-fitting machine according to claim 1, wherein: locking mechanism includes rotary drum (610), clamp plate (620) and locking screw, rotary drum (610) vertical connect in table surface (100), the one end of clamp plate (620) rotate connect in rotary drum (610), the axis of rotation of clamp plate (620) extends along vertical direction, be provided with the slotted hole along its length extending direction on clamp plate (620), locking screw pass behind the slotted hole connect in table surface (100), locking screw will clamp plate (620) press to positioning jig (300).