CN114337135B

CN114337135B - Stator processing device

Info

Publication number: CN114337135B
Application number: CN202111398288.9A
Authority: CN
Inventors: 李燚
Original assignee: Chongqing Denghong Electromechanical Co ltd
Current assignee: Chongqing Denghong Electromechanical Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2023-04-07
Anticipated expiration: 2041-11-19
Also published as: CN114337135A

Abstract

The invention belongs to the technical field of stator machining, and particularly discloses a stator machining device which comprises a supporting unit, an adsorption unit and a polishing unit, wherein the supporting unit comprises a workbench and a supporting disk, a spindle is fixed at the bottom of the supporting disk, a driving assembly for driving the spindle to rotate is arranged below the workbench, a plurality of plugging rods are fixed on the supporting disk, the cross section of each plugging rod is the same as that of an assembly hole in a stator to be polished, cavities are formed in the plugging rods, strip-shaped seams communicated with the cavities are formed in one sides, close to the inner wall of the stator, of the plugging rods, accommodating cavities are formed in the supporting disk, the cavities in the plugging rods are communicated with the accommodating cavities, air passages communicated with the accommodating cavities are coaxially formed in the spindle, and the adsorption unit is communicated with the air passages. By adopting the scheme of the invention, the problem that the existing grinding head can directly grind the plugging piece when grinding the inner wall of the stator core, so that the plugging piece is seriously worn and needs to be frequently replaced, and scrap iron generated by grinding flies around to greatly influence the production environment is solved.

Description

Stator machining device

Technical Field

The invention belongs to the technical field of stator machining, and particularly relates to a stator machining device.

Background

The motor is a device for converting electric energy and mechanical energy, and mechanical energy and electric energy. The motor consists of a rotor and a stator, wherein the motor stator is an important part of the motor, and the stator consists of a stator iron core, a stator winding and a machine base; the main function of the stator is to generate a rotating magnetic field, and the main function of the rotor is to be cut by magnetic lines of force in the rotating magnetic field to generate current.

Stator core is before the assembly, its inner and outer wall all need polish the burring processing, with the requirement that satisfies roughness, because a plurality of pilot holes have been seted up along its circumference on the stator core, in order to prevent to polish the iron fillings that produce and enter into the pilot hole, need adopt the pilot hole to carry out the shutoff with the pilot hole before polishing, but to most stator core, the pilot hole all link up with stator core's inner wall, when polishing the inner wall like this, the head of polishing can directly polish the shutoff, make shutoff wearing and tearing serious, need frequently change, the iron fillings that polish the production simultaneously fly upward everywhere, cause great influence to the production environment.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a stator processing device, which aims to solve the problems that when the inner wall of a stator core is polished at present, a polishing head can directly polish a plugging piece, so that the plugging piece is seriously worn and needs to be frequently replaced, and scrap iron generated by polishing flies everywhere, thus causing great influence on the production environment.

In order to achieve the purpose, the invention adopts the following technical scheme:

the stator machining device comprises a supporting unit, an adsorption unit and a polishing unit, wherein the supporting unit comprises a workbench and a supporting disk, a main shaft which is rotatably connected onto the workbench is coaxially fixed at the bottom of the supporting disk, a driving assembly for driving the main shaft to rotate is arranged below the workbench, a plurality of plugging rods are fixed on the supporting disk, the cross section of each plugging rod is the same as the shape of an assembly hole in a stator to be polished, one side, close to the inner wall of the stator, of the cross section of each plugging rod is an arc-shaped section, the circle center of each arc-shaped section is located on the central axis of the stator, the arc-shaped section and the inner wall of the stator are in smooth transition, a cavity is formed in each plugging rod along the length direction of the arc-shaped section, a strip-shaped seam communicated with the cavity is formed on one side, close to the inner wall of the stator, a containing cavity is formed in the supporting disk, the cavity in each plugging rod is communicated with the containing cavity, an air passage communicated with the containing cavity is coaxially formed in the main shaft, and the adsorption unit is communicated with the air passage.

Compared with the prior art, the invention has the following beneficial effects:

this scheme of adoption, because the setting of absorption unit, at the in-process of polishing the inner wall of stator, the negative pressure that produces in the absorption unit makes the iron fillings that polish the inner wall and produce enter into the cavity through the bar seam and hold the chamber to finally discharge through the air flue, the collection of iron fillings when having accomplished the inner wall and polishing, thereby in further preventing iron fillings from getting into the mounting hole, also reduced the content of iron fillings dust in the production environment simultaneously.

In addition, in the scheme, one side of the cross section of the blocking rod, which is close to the inner wall of the stator, is an arc-shaped section, the circle center of the arc-shaped section is positioned on the central axis of the stator, and the arc-shaped section and the inner wall of the stator are in smooth transition, so that the polishing head cannot wear the blocking rod in the process of polishing the inner wall of the stator, and the service life of the blocking rod is prolonged.

Further, the adsorption unit includes adsorption pump, rose box and adsorption tube, the adsorption tube passes through rotary joint and is in the same place with the main shaft is coaxial fixed, and main shaft one end is kept away from to the adsorption tube and is connected with the rose box, and the work mouth of adsorption pump passes through pipeline and rose box intercommunication.

Has the beneficial effects that: the rotation that can not influence the main shaft is set up like this, conveniently again adsorbs the iron fillings that the inner wall polished the production simultaneously.

Further, be fixed with a plurality of stands on the supporting disk, the stand is located the outside of shutoff pole, and a plurality of stands wind the circumference equipartition of supporting disk, the top of stand is fixed with the disc that the diameter is greater than the stand, and the disc top is fixed with the sucking disc that the opening faced upward.

Has the advantages that: set up like this and make the stator adsorbed by the sucking disc under the effect of its dead weight, prevent that relative displacement from appearing between stator and the supporting disk to reduce the moment of torsion that the shutoff pole bore.

Further, the driving assembly comprises a motor and a belt transmission mechanism, the belt transmission mechanism comprises a driving belt wheel, a driven belt wheel and a belt, the driving belt wheel is coaxially fixed on an output shaft of the motor, the driven belt wheel is coaxially fixed on the main shaft, and the belt is connected with the driving belt wheel and the driven belt wheel.

Has the advantages that: the torque output by the motor can be stably transmitted to the main shaft in low vibration through the belt transmission mechanism, and meanwhile, the work of the adsorption unit is not influenced.

Further, the polishing unit comprises an inner polishing head and an outer polishing head, the inner polishing head is tangent to the inner wall of the stator, the outer polishing head is tangent to the outer wall of the stator, and the polishing unit further comprises a rotating mechanism for driving the inner polishing head and the outer polishing head to synchronously rotate and a displacement mechanism for driving the inner polishing head and the outer polishing head to synchronously move downwards or synchronously move upwards.

Has the beneficial effects that: the synchronous grinding of the inner wall and the outer wall of the stator can be realized by the arrangement, and the time consumed by deburring of the stator is shortened.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of a stator processing apparatus according to the present invention.

Fig. 2 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A direction in fig. 1 according to an embodiment of the stator processing apparatus of the present invention.

Reference numerals in the drawings of the specification include: stator 1, workstation 10, supporting disk 11, main shaft 12, shutoff pole 13, cavity 14, strip seam 15, segmental arc 16, hold chamber 17, air flue 18, stand 19, disc 20, sucking disc 21.

Detailed Description

The invention is further described in detail below with reference to the accompanying drawings, and specific embodiments are given.

The embodiment is basically as shown in fig. 1 and fig. 2, the stator processing device includes a supporting unit, an adsorbing unit and a grinding unit, wherein the supporting unit includes a worktable 10 and a supporting disk 11, a spindle 12 is coaxially fixed at the bottom of the supporting disk 11, the spindle 12 is rotatably connected to the worktable 10, and a driving assembly for driving the spindle 12 to rotate is further disposed below the worktable 10.

A plurality of plugging rods 13 are fixed on a supporting plate 11, the cross section of each plugging rod 13 is the same as that of an assembly hole in a stator to be polished, the plugging rods 13 are distributed at equal intervals along the circumferential direction of the supporting plate 11, a cavity 14 is formed in each plugging rod 13 along the length direction of each plugging rod, a strip-shaped seam 15 communicated with the cavity 14 is formed in one side, close to the inner wall of the stator, of each plugging rod 13, an arc-shaped section 16 is formed in one side, close to the inner wall of the stator, of the cross section of each plugging rod 13, the circle center of each arc-shaped section 16 is located on the central axis of the stator, and the arc-shaped sections 16 and the inner wall of the stator are in smooth transition.

It holds chamber 17 to have seted up in supporting disk 11, cavity 14 in the shutoff pole 13 with hold chamber 17 intercommunication, coaxial seting up the intercommunication and holding the air flue 18 of chamber 17 in main shaft 12, consequently, the unit of adsorbing includes the adsorption pump in this embodiment, rose box and adsorption tube, wherein the adsorption tube is in the same place through rotary joint and the coaxial fixed of main shaft 12, the adsorption tube is kept away from main shaft 12 one end and is connected with the rose box, the working mouth of adsorption pump passes through the pipeline and the rose box intercommunication, the adsorption pump is at the during operation like this, through air flue 18 and hold chamber 17, make and produce the adsorption affinity in the cavity 14 of each shutoff pole 13, make the iron fillings that the stator inner wall polished the production adsorbed to the rose box in along strip seam 15.

Still be fixed with a plurality of stands 19 on supporting disk 11 in this embodiment, stand 19 is located the outside of shutoff pole 13, and a plurality of stands 19 are around the circumference equipartition of supporting disk 11, are fixed with the disc 20 that the diameter is greater than stand 19 at stand 19 top, and disc 20 top is fixed with the sucking disc 21 that the opening is up, and the stator is adsorbed by sucking disc 21 under the effect of its dead weight like this, prevents to appear relative displacement between stator and the supporting disk 11 to reduce the moment of torsion that shutoff pole 13 bore.

Drive assembly includes motor and belt drive mechanism in this embodiment, and belt drive mechanism includes driving pulley, driven pulleys and belt, and driving pulley coaxial fixation is on the output shaft of motor, and driven pulleys coaxial fixation is on main shaft 12, and driving pulley and driven pulleys are connected to the belt, can be stable and the low vibration transmit the torque of motor output for main shaft 12 through belt drive mechanism, do not influence the work of absorption unit simultaneously.

In this embodiment, the polishing unit includes an inner polishing head and an outer polishing head, wherein the inner polishing head is tangent to an inner wall of the stator, and the outer polishing head is tangent to an outer wall of the stator, so as to achieve synchronous polishing of the inner and outer walls of the stator, and further includes a rotating mechanism for driving the inner polishing head and the outer polishing head to rotate synchronously, and a displacement mechanism for driving the inner polishing head and the outer polishing head to move synchronously downward or synchronously upward.

When the iron scrap collecting and sealing device is used, a stator 1 to be polished is placed on the sucking disc 21 of the stand column 19 and firmly adsorbed by the sucking disc 21 through the self weight of the stator 1, all the sealing rods 13 enter assembly holes in the stator to be polished, the height of each sealing rod 13 exceeds the top surface of the stator, the inner polishing head and the outer polishing head move downwards and are tangent to the inner wall and the outer wall of the stator, the driving assembly, the rotating mechanism, the displacement mechanism and the adsorption unit are started simultaneously, the stator is polished synchronously by the inner polishing head and the outer polishing head, iron scraps generated by the adsorption pump in the adsorption unit enter the cavity 14 and the containing cavity 17 through the strip-shaped seam 15 and finally enter the filter box through the air passage 18, and the collection of the iron scraps during polishing of the inner wall is completed, so that the iron scraps are further prevented from entering the assembly holes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. Stator processingequipment, its characterized in that: the grinding device comprises a supporting unit, an adsorption unit and a grinding unit, wherein the supporting unit comprises a workbench and a supporting disk, a spindle which is rotatably connected to the workbench is coaxially fixed at the bottom of the supporting disk, a driving assembly which drives the spindle to rotate is arranged below the workbench, a plurality of plugging rods are fixed on the supporting disk, the cross section of each plugging rod is the same as that of an assembly hole in a stator to be ground, an arc section is arranged on one side, close to the inner wall of the stator, of the cross section of each plugging rod, the circle center of each arc section is located on the central axis of the stator, the arc sections and the inner wall of the stator are in smooth transition, cavities are formed in the plugging rods along the length direction of the plugging rods, strip-shaped seams communicated with the cavities are formed on one sides, close to the inner wall of the stator, of the plugging rods, accommodating cavities are formed in the supporting disk, the cavities in the plugging rods are communicated with the accommodating cavities, an air passage communicated with the accommodating cavities are coaxially formed in the spindle, and the adsorption unit is communicated with the air passage;

the adsorption unit comprises an adsorption pump, a filter box and an adsorption pipe, the adsorption pipe is coaxially fixed with the main shaft through a rotary joint, one end of the adsorption pipe, far away from the main shaft, is connected with the filter box, and a working port of the adsorption pump is communicated with the filter box through a pipeline; the driving assembly comprises a motor and a belt transmission mechanism, the belt transmission mechanism comprises a driving belt wheel, a driven belt wheel and a belt, the driving belt wheel is coaxially fixed on an output shaft of the motor, the driven belt wheel is coaxially fixed on the main shaft, and the belt is connected with the driving belt wheel and the driven belt wheel.

2. The stator machining apparatus according to claim 1, wherein: the sealing device is characterized in that a plurality of stand columns are fixed on the supporting disk, the stand columns are located on the outer side of the sealing rod, the stand columns are uniformly distributed around the circumference of the supporting disk, a disc with the diameter larger than that of the stand column is fixed at the top of the stand column, and a sucking disc with an upward opening is fixed at the top of the disc.

3. The stator machining apparatus according to claim 1, wherein: the polishing unit comprises an inner polishing head and an outer polishing head, the inner polishing head is tangent to the inner wall of the stator, the outer polishing head is tangent to the outer wall of the stator, and the polishing unit further comprises a rotating mechanism for driving the inner polishing head and the outer polishing head to synchronously rotate and a displacement mechanism for driving the inner polishing head and the outer polishing head to synchronously move downwards or upwards.