CN217037011U

CN217037011U - Improved stator and rotor mounting equipment

Info

Publication number: CN217037011U
Application number: CN202220696109.3U
Authority: CN
Inventors: 周神文; 周勤凤; 邱秀康
Original assignee: Taizhou Paloton Mechanical And Electrical Co ltd
Current assignee: Taizhou Paloton Mechanical And Electrical Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-22
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses improved stator and rotor mounting equipment, belongs to the field of assembling equipment, and aims to solve the technical problems of complex structure and inconvenient use of the existing motor assembling and setting structure by adopting the following technical scheme: an improved stator and rotor installation device comprises a workbench, a rotor tooling position and a stator tooling position, wherein the workbench is arranged horizontally; the stator tooling position realizes axial movement along the rotor through the sliding seat; the stator tooling station comprises a limiting seat and a pressing plate, the limiting seat is abutted against the bottom surface and the side surface of a machine barrel of the built-in stator and the end surface far away from the rotor so as to limit the stator, and the pressing plate applies downward pressure to enable the stator to be limited between the pressing plate and the limiting seat. The stator tooling position is moved through the sliding seat, the limiting seat and the pressing plate enable the stator to be positioned, the displacement is effectively prevented, the limiting seat enables the central lines of the stator and the rotor to be kept at the same height, and accurate assembly is guaranteed; the structure is simplified, and the assembly equipment is simplified.

Description

Improved stator and rotor mounting equipment

Technical Field

The utility model belongs to the field of assembly equipment, and particularly relates to improved stator and rotor mounting equipment.

Background

The water pump is driven by an asynchronous motor, and although the asynchronous motor is simple in structure, the stator and the rotor are asynchronous, the power factor is low, and the efficiency is not high. The rare earth permanent magnet synchronous motor has the obvious advantages of simple structure, small volume, light weight, reliable operation, high efficiency, high power factor and the like, and gradually replaces an asynchronous motor. The permanent magnet (neodymium iron boron) is arranged in the rotor of the magnetic synchronous motor, the rotor provided with the magnetic steel has extremely strong adsorption force, and the air gap between the stator and the rotor is small, so that the assembly can not be completed through manual assembly. If the stator and the rotor are not concentric during assembly, the end part of the stator coil and the bearing are easily damaged, and abnormal sound of the motor is often generated after assembly. The traditional assembly process can not meet the requirements and can not ensure the assembly quality.

Aiming at the assembly difficulty, a special equipment tool is required to be adopted for assembly, the stator and the rotor are respectively fixed on the tools on two sides of the equipment, and the concentricity of the stator and the rotor is ensured by using the equipment precision. Generally, the stator is assembled in a machine barrel of the motor, an end cover of the motor penetrates through the rotor, and the end cover and the machine barrel are positioned through bolts after the stator and the rotor are assembled, so that the assembly is completed. The existing stator and rotor mounting equipment has two types, namely a vertical type and a horizontal type, in the vertical type, a stator and a rotor are vertically mounted, namely the stator and the rotor are assembled in a vertical plane, but the end part of a machine barrel is often uneven, and cannot meet the positioning requirement when being used as an assembling reference surface, so that the machine barrel is unreliable; in addition, because the vertical equipment shields the end cover, the connecting bolt cannot be directly tightened on the vertical equipment, and the machine barrel with the stator and the rotor assembled is required to be taken down for bolting, so that the operation is complex and the efficiency is low. The horizontal equipment can be well adapted to motor shells in different shapes, the ejector pins coaxially arranged with the stator and the rotor are adopted in the existing horizontal equipment, the ejector pins penetrate through the stator and abut against the end portions of the rotor during use, the diameter of a rotor shaft used by the existing motor is 28-38 mm, the center holes of the end faces of the rotor shaft are small, the scheme adopting the ejector pins is inaccurate in positioning, the rotor shaft is easy to slip, the accuracy cannot be guaranteed, the whole assembly equipment is long, the overall layout is not compact enough, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems of the existing motor that the arrangement is not compact and the use is inconvenient, the utility model provides improved stator and rotor mounting equipment, which omits the design of a thimble, has a simple structure and is compact in arrangement of all parts.

The technical scheme adopted by the utility model is as follows: an improved stator and rotor mounting device comprises a workbench horizontally arranged, and a stator and rotor base arranged on the workbench:

the rotor tooling position comprises a base arranged on the workbench and a chuck vertically arranged on the base, and the chuck clamps the rotor to be assembled so that the rotor to be assembled is kept horizontal;

the stator tooling position is arranged on a sliding seat capable of moving along the axial direction of the rotor, and comprises a limiting seat and a pressing plate movably arranged above the limiting seat, and the limiting seat is used for bearing a machine barrel internally provided with a stator to be assembled;

the limiting seat enables the stator to be assembled and the rotor to be assembled to be equal in height, the bottom surface and the side surface of the machine barrel and the end surface far away from the rotor are abutted, and the pressing plate can be pressed on the top surface of the machine barrel, so that the machine barrel is positioned on the stator tooling position.

In the application, the stator tooling position is moved through the sliding seat, the limiting seat supports against the bottom surface, the side surface and the end surface of the machine barrel, the pressing plate presses the top surface of the machine barrel, so that the stator is positioned in both the horizontal direction and the vertical direction to resist the magnetic attraction between the stator and the rotor, the displacement of the machine barrel (the stator) is effectively prevented, the limiting seat can enable the center lines of the stator to be assembled and the rotor to be assembled to be equal in height, the stator and the rotor can be concentric all the time during assembly, and the precise assembly of the stator and the rotor is ensured; the thimble design in the prior art is saved, the overlong length of the equipment is avoided, the structure is simplified, and the assembling equipment is simplified.

Furthermore, a supporting block with a groove is arranged on the limiting seat, and the lower portion of the machine barrel is embedded in the groove. The size adaptation of recess size and barrel lower part, the side and the bottom surface of barrel are supported by fluted wall, the barrel of co-altitude, width adopt rather than the supporting shoe of adaptation, spacing seat enables barrel central line and stator central line and remains on same height all the time, guarantees accurate assembly.

Further, spacing seat still includes a dog that is equipped with the position mouth of letting, the dog is located supporting shoe one side, and keep away from the stator to support the terminal surface that the rotor was kept away from to the barrel, let the position mouth do the rotor is let the position, and the dog can prevent that the barrel from receiving magnetic force and pushing out from stator frock position in assembling process, lets the bottom of position mouth highly match or slightly hang down with the rotor bottom, so that the rotor continues to move ahead convenient assembly behind the stator.

Furthermore, two limiting flanges are further arranged on the supporting block, the groove is located between the two limiting flanges, and the two limiting flanges are detachably connected to the tops of the limiting seats. The barrels of different sizes can be realized by replacing the supporting blocks of different specifications, the limiting flanges are positioned at the tops of the limiting seats, other structural interferences do not exist when the supporting blocks are replaced, and the supporting blocks are convenient to rapidly disassemble, assemble and replace.

Furthermore, the supporting block and the pressing plate are made of plastic. The existing limiting stator is generally made of metal parts, the metal parts are hard and difficult to deform, absolute concentricity needs to be kept when the limiting stator is assembled, otherwise, a bearing or the stator is crushed due to poor matching degree, and therefore assembly difficulty is increased; the plastics material is better than metal elasticity, matter soft, and supporting shoe and clamp plate adopt the working of plastics can utilize its self elasticity to press from both sides the barrel tightly, guarantee the location effect, and the fine setting of position in the vertical face can be realized to the holding down force through the adjustment clamp plate, provides the fine setting space for the stator-rotor assembly to reduce the assembly degree of difficulty, effectively reduce assemble duration.

Furthermore, the bottom of the supporting block is connected with an extension table, the extension table is perpendicular to the supporting block, an assembly groove is formed in the limiting seat, and the supporting block and the extension table are embedded in the assembly groove. The extension table is perpendicular to the supporting block, whether the supporting block is installed in place can be visually observed, the extension table can share the pressure borne by the supporting block, and the bearing capacity of the supporting block is enhanced.

Furthermore, an upright post is arranged on the sliding seat, a support is clamped on the upright post, an air cylinder is arranged on the support, and the lower portion of the air cylinder is connected with the pressing plate, so that the pressing plate can be lifted and can apply downward pressure. The support of centre gripping on the stand can be followed the stand and rotated, is favorable to the position of quick adjustment clamp plate.

Furthermore, the chuck is provided with three sliding grooves which are arranged in a radial and equiangular mode, and a hydraulic chuck is arranged in each sliding groove in a sliding mode so as to clamp the rotor at the center of the chuck, and the rotor is stressed uniformly.

Furthermore, be equipped with on the workstation with the parallel guide rail of rotor, the seat that slides pass through the slider with the guide rail links to each other, the seat that slides and a lead screw linkage by motor drive, the lead screw with guide rail parallel arrangement.

Furthermore, both ends of the screw rod are sleeved with limiting parts, and the limiting parts are located on the workbench, so that the screw rod can rotate stably.

The utility model has the following beneficial effects: in the application, the stator tooling position is moved through the sliding seat, the limiting seat supports against the bottom surface, the side surface and the end surface of the stator, the pressing plate presses the top surface of the stator, so that the stator is positioned in both the horizontal direction and the vertical direction to resist the magnetic attraction between the stator and the rotor, the displacement of the stator is effectively prevented, the limiting seat can keep the equal height of the stator to be assembled and the central line of the rotor to be assembled, and the accurate assembly of the stator and the rotor is ensured; the thimble design in the prior art is saved, and the overlong length of equipment is avoided, so that the structure is simplified, and the assembling equipment is simplified.

Drawings

FIG. 1 is a schematic side view of an improved stator and rotor mounting apparatus;

FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;

FIG. 3 is a schematic structural view of a position limiting seat;

FIG. 4 is a schematic view of the chuck;

in the figure: 1-a workbench; 11-a guide rail; 12-a motor; 13-a screw rod; 14-a limit stop; 2-a base; 3-a chuck; 31-a chute; 32-hydraulic clamp; 4-a sliding seat; 41-upright post; 42-a scaffold; 43-a slide block; 5-a limiting seat; 51-a support block; 52-a groove; 53-a stop; 54-escape port; 55-limiting flange; 56-extension stage; 6-pressing a plate; 7-a cylinder; a-a rotor; b-a stator; c, end cover; d-machine barrel.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the utility model.

The improved stator-rotor mounting device of the present embodiment, as shown in fig. 1 and fig. 2, includes a horizontally disposed work table 1, and disposed on the work table 1:

the rotor tooling position comprises a base 2 arranged on the workbench 1 and a chuck 3 vertically arranged on the base 2, and the chuck 3 clamps a rotor A to be assembled so that the rotor A to be assembled is kept horizontal;

the stator tooling position is arranged on a sliding seat 4 capable of moving along the axial direction of the rotor A, the stator tooling position comprises a limiting seat 5 and a pressing plate 6 movably arranged above the limiting seat 5, and the limiting seat 5 is used for bearing a machine barrel D internally provided with a stator B to be assembled;

the limiting seat 5 enables the stator B to be assembled and the central line of the rotor A to be assembled to be equal in height, the bottom surface and the side surface of the machine barrel D and the end surface far away from the rotor A are abutted, and the pressing plate 6 can be pressed on the top surface of the machine barrel D, so that the machine barrel is positioned on the stator tooling position. In this embodiment, the rotor is sleeved with a bearing, and when the barrel and the rotor are assembled, the bearing is located in the barrel.

In the application, the stator tooling position is moved through the sliding seat 4, the limiting seat 5 supports against the bottom surface, the side surface and the end surface of the machine barrel, the pressing plate 6 presses the top surface of the machine barrel, so that the stator is positioned in both the horizontal direction and the vertical direction to resist the magnetic attraction between the stator and the rotor, the displacement of the machine barrel (stator) is effectively prevented, the limiting seat 5 can enable the center line of the stator to be assembled and the center line of the rotor A to be assembled to be equal in height, the stator and the rotor A can be concentric all the time during assembly, and the stator and the rotor A are ensured to be accurately assembled; the thimble design in the prior art is saved, and the overlong length of equipment is avoided, so that the structure is simplified, and the assembling equipment is simplified.

The limiting seat 5 is provided with a supporting block 51 with a groove 52, and the lower part of the machine barrel D is embedded in the groove 52. The size of the groove 52 is matched with the size of the lower part of the machine barrel D, the side surface and the bottom surface of the machine barrel D are propped against the inner wall of the groove 52, the machine barrels D with different heights and widths adopt the supporting blocks 51 matched with the machine barrels D, and the central line of the machine barrel D and the central line of the stator can be always kept at the same height by the limiting seat 5, so that accurate assembly is guaranteed.

As shown in fig. 3, spacing seat 5 is still including being equipped with the dog 53 of letting a mouthful 54, dog 53 is located supporting shoe 51 one side, and keeps away from the stator to support barrel D and keep away from rotor A's terminal surface, let a mouthful 54 do rotor A lets a bit, dog 53 can prevent that barrel D from receiving magnetic force and pushing out from stator frock position in the assembling process, and the bottom of letting a mouthful 54 is highly equivalent or slightly low with rotor A bottom, so that rotor A continues the antedisplacement behind the stator, convenient assembly.

The supporting block 51 is further provided with two limiting flanges 55, the groove 52 is located between the two limiting flanges 55, and the two limiting flanges 55 are detachably connected to the top of the limiting seat 5. Barrel D of unidimensional not can realize through the supporting shoe 51 of changing different specifications, and spacing flange 55 is in the top of spacing seat 5, does not have other structures when changing supporting shoe 51 and interferes, makes things convenient for supporting shoe 51 quick assembly disassembly to change.

The supporting block 51 and the pressing plate 6 are made of plastic. The existing limiting stator is generally made of metal parts, the metal parts are hard and not easy to deform, absolute concentricity needs to be kept when assembling, otherwise, a bearing or a stator is crushed due to poor matching degree, and therefore assembling difficulty is increased; the plastics material is better than metal elasticity, matter soft, and supporting shoe 51 and clamp plate 6 adopt the working of plastics can utilize its self elasticity to press from both sides barrel D tightly, guarantee the location effect, can realize the fine setting of position in the vertical face through the holding down pressure of adjustment clamp plate 6, provide the fine setting space for stator and rotor A assembly to reduce the assembly degree of difficulty, effectively reduce the assemble duration.

The bottom of the supporting block 51 is connected with an extending table 56, the extending table 56 is perpendicular to the supporting block 51, an assembling groove is formed in the limiting seat 5, and the supporting block 51 and the extending table 56 are embedded in the assembling groove. The extension table 56 is perpendicular to the supporting block 51, so that whether the supporting block 51 is installed in place can be visually observed, and the extension table 56 can share the pressure borne by the supporting block 51, so that the bearing capacity of the supporting block 51 is enhanced.

The sliding seat 4 is provided with a column 41, a support 42 is clamped on the column 41, the support 42 is provided with a cylinder 7, and the lower part of the cylinder 7 is connected with the pressing plate 6, so that the pressing plate 6 can be lifted and can apply a downward force. The bracket 42 clamped on the upright 41 can rotate along the upright 41, which is beneficial to quickly adjusting the position of the pressure plate 6.

As shown in fig. 4, the chuck 3 is provided with three sliding grooves 31 arranged radially and equiangularly, and a hydraulic chuck 32 is slidably arranged in each sliding groove 31 so as to clamp the rotor a at the center of the chuck 3, so that the rotor a is uniformly stressed.

The workbench 1 is provided with a guide rail 11 parallel to the rotor A, the sliding seat 4 is connected with the guide rail 11 through a sliding block 43, the sliding seat 4 is linked with a screw rod 13 driven by a motor 12, and the screw rod 13 is parallel to the guide rail 11. In the embodiment, the motor 12 is arranged on the base 2, so that the whole equipment is reasonable in layout

Both ends of the screw rod 13 are sleeved with limiting pieces 14, and the limiting pieces 14 are located on the workbench 1, so that the screw rod 13 rotates stably.

During assembly, the shaft extension end of the rotor A with the front end cover C assembled is clamped on the hydraulic chuck 3, and the front end cover C is close to the chuck 3; the stator with the rear end cover C is placed on a stator tool to be positioned, the rear end cover C abuts against the stop block 53, and the driving pressing plate 6 presses the top surface of the stator downwards; driving the sliding seat 4 to enable the sliding seat 4 to drive the stator tooling position to slowly approach the rotor A tooling position until a stator to be assembled penetrates through the rotor A to be assembled, radially adjusting the front end cover C, inserting a bolt into the mounting hole of the front end cover C, pressing the stator spigot into the spigot of the front end cover C, and enabling a bearing on the right side of the rotor A to enter the bearing chamber of the rear end cover C; fastening the connecting bolt, and connecting and fastening the end cover C and the machine barrel D to finish assembly; and (4) removing the pressing plate 6, loosening the chuck 3, moving the sliding seat 4 and taking down the assembled workpiece. The existing manual assembly mode is used for assembling one motor 12 for about 80s, the equipment for assembling one motor needs about 40s, the assembled motor has no abnormal sound, the qualification rate is high, the production efficiency is improved, the assembly quality is guaranteed, and the market competitiveness of products is improved.

While the utility model has been described with reference to specific embodiments, it will be understood by those skilled in the art that the utility model includes, but is not limited to, the accompanying drawings and the foregoing detailed description. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the claims.

Claims

1. The utility model provides a modified decides rotor erection equipment which characterized in that, includes the workstation of level setting to and set up on the workstation:

2. The improved stator and rotor mounting device as recited in claim 1, wherein the limiting base is provided with a supporting block having a groove, and the lower portion of the cylinder is embedded in the groove.

3. The improved stator and rotor mounting apparatus of claim 2 wherein said retainer block further comprises a stop block having a relief opening, said stop block being located on a side of said support block and distal from said stator to abut against an end surface of said barrel distal from said rotor, said relief opening providing relief for said rotor.

4. The improved stator and rotor mounting apparatus as claimed in claim 2, wherein the support block further comprises two limiting ribs, the groove is located between the two limiting ribs, and the two limiting ribs are detachably connected to the top of the limiting seat.

5. The improved stator and rotor mounting apparatus as recited in claim 2 wherein said support blocks and said pressure plates are formed of plastic.

6. The improved stator and rotor mounting device as recited in claim 2, wherein the bottom of the supporting block is connected with an extension table, the extension table is perpendicular to the supporting block, the limiting seat is provided with an assembly groove, and the supporting block and the extension table are embedded in the assembly groove.

7. An improved stator and rotor mounting apparatus as claimed in claim 1, wherein said sliding seat is provided with a column, a bracket is clamped on said column, said bracket is provided with a cylinder, and the lower portion of said cylinder is connected to said pressing plate.

8. An improved stator and rotor mounting apparatus as claimed in claim 1 or claim 2 wherein said chuck is provided with three radially and equiangularly disposed runners, one hydraulic collet being slidably disposed in each runner to grip said rotor at the centre of said chuck.

9. An improved stator and rotor mounting apparatus as claimed in claim 1, wherein the worktable is provided with guide rails parallel to the rotor, the sliding base is connected to the guide rails via sliders, the sliding base is linked to a screw rod driven by a motor, and the screw rod is arranged parallel to the guide rails.

10. The improved stator-rotor mounting apparatus of claim 9 wherein the screw has stops at both ends, the stops being located on the table.