CN217818541U

CN217818541U - Coaxiality instrument

Info

Publication number: CN217818541U
Application number: CN202221947709.9U
Authority: CN
Inventors: 刘巨鹏; 任小星; 杨虎智; 丁泽胤
Original assignee: MCC SFRE Heavy Industry Equipment Co Ltd
Current assignee: MCC SFRE Heavy Industry Equipment Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-15
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a coaxial appearance, including the main shaft, the main shaft has set gradually front end housing positioning disk, stator positioning disk and rear end cap positioning disk from one end, has all seted up a plurality of recesses on front end housing positioning disk, stator positioning disk and the rear end cap positioning disk lateral wall, all installs end cover location slider in the recess of front end housing positioning disk and rear end cap positioning disk, installs stator location slider in the recess of stator positioning disk. The utility model can ensure the assembly coaxiality of the motor stator and the front and back end covers when assembling the main servo motor of the numerical control machine tool by arranging the positioning disc on the main shaft; the utility model discloses can select for use the location slider of locating lever variation in size according to actual need to location slider to suitable position, the slide adjusting is convenient, and assembly range is more extensive.

Description

Coaxiality instrument

Technical Field

The utility model belongs to the technical field of the metal is equipped, a coaxial appearance is related to.

Background

At present, various numerical control milling and boring machines are widely applied to the metal processing industry to realize the rough, semi-fine and fine processing of various casting, forging, welding and other complex structures and various high-precision parts, and the machine tool has the functions of milling, boring, drilling, reaming, tapping, reaming, spot facing and the like; the method has the advantages of saving process equipment, shortening the production preparation period, improving the working efficiency, reducing the production cost and the like, and obtains good economic benefit.

Although the numerical control machine brings more benefits, the numerical control machine is very inconvenient to maintain when the main servo motor breaks down. The front end cover and the rear end cover need to be disassembled for maintenance, the main servo motor needs to be reassembled after the maintenance is finished, and the connection positions of the stator of the main servo motor and the front end cover and the rear end cover at two ends of the stator do not have positioning rabbets, so that the connection coaxiality of the stator and the front end cover and the rear end cover at two ends cannot be guaranteed. If the coaxiality of the installed stator and the front end cover and the rear end cover at the two ends is out of tolerance, the main servo motor can be caused to rotate unstably and shake, and therefore the control speed, the position precision and the service life of the main servo motor are influenced; the transmission precision of the machine tool is reduced, and the surface finish of the parts processed in the metal cutting process is poor.

At present, the traditional method for assembling the main servo motor still cannot scientifically measure, detect and ensure the coaxiality of the stator and front and rear end covers at two ends, and can only ensure the coaxiality of the assembled servo motor by the skills and experience of a motor maintainer, so that the traditional method for assembling the servo motor is time-consuming, labor-consuming and has large errors. Therefore, how to ensure the assembly coaxiality of the motor stator and the front and rear end covers when the main servo motor of the numerical control machine tool is assembled is a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coaxial appearance, motor stator when having solved among the prior art traditional equipment servo motor with around the unable problem of guaranteeing of both ends lid assembly axiality.

The utility model provides a, a coaxial appearance, including the main shaft, the main shaft has set gradually front end housing positioning disk, stator positioning disk and rear end cap positioning disk from one end, all has seted up a plurality of recesses on the lateral wall of front end housing positioning disk, stator positioning disk and rear end cap positioning disk respectively along being on a parallel with main shaft axis direction, all installs the location slider in the recess.

The utility model discloses a characteristics still lie in:

the front end cover positioning disc, the stator positioning disc and the rear end cover positioning disc are all columnar, the front end cover positioning disc and the rear end cover positioning disc are respectively located at two ends of the main shaft, and the stator positioning disc is arranged at the position close to the center line of the main shaft.

The number of the front end cover positioning discs and the number of the rear end cover positioning discs are not less than one, and the number of the stator positioning discs is not less than two.

The diameters of the front end cover positioning disc and the rear end cover positioning disc are equal, and the diameters of the front end cover positioning disc and the rear end cover positioning disc are not larger than the diameter of the stator positioning disc.

The number of the positioning sliding blocks in each groove is not less than one, and the positioning sliding blocks are embedded with the grooves.

The positioning slide block comprises a positioning rod and a base vertically and fixedly connected with the bottom end of the positioning rod, and the top surface of the positioning rod is arc-shaped.

The grooves are uniformly distributed on the front end cover positioning plate, the stator positioning plate and the rear end cover positioning plate, and the grooves are T-shaped sliding grooves.

The positioning sliding blocks are fastened at the bottom of the groove through bolts.

The utility model has the advantages that:

the utility model can ensure the assembly coaxiality of the motor stator and the front and back end covers when assembling the main servo motor of the numerical control machine tool by arranging the positioning disc on the main shaft; through the utility model discloses supplementary can realize fast, conveniently assemble digit control machine tool main servo motor; the utility model discloses can select for use the location slider of locating lever variation in size according to actual need to location slider to suitable position, the slide adjusting is convenient, and assembly range is more extensive.

Drawings

Fig. 1 is a front view of the whole structure of a coaxial instrument of the present invention;

fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A ofbase:Sub>A coaxial instrument of the present invention;

fig. 3 is a B-B sectional view of a coaxial instrument of the present invention;

fig. 4 is a C-C sectional view of a coaxial instrument of the present invention;

fig. 5 is a schematic structural view of a base and a positioning rod of the coaxial instrument of the present invention.

In the drawing, 1, a main shaft, 2, a front end cover positioning disc, 3, a stator positioning disc, 4, a rear end cover positioning disc, 5, a groove, 6, a positioning sliding block, 7, a base, 8, a positioning rod and 9, bolts are arranged.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a coaxial appearance, as shown in fig. 1, including main shaft 1, main shaft 1 has set gradually front end housing positioning disk 2, stator positioning disk 3 and rear end cap positioning disk 4 from one end, has seted up a plurality of recesses 5 respectively on the lateral wall of front end housing positioning disk 2, stator positioning disk 3 and rear end cap positioning disk 4 along being on a parallel with 1 axis direction of main shaft, all installs location slider 6 in recess 5.

Wherein, front end housing positioning disk 2, stator positioning disk 3 and rear end housing positioning disk 4 all are the column, and front end housing positioning disk 2 and rear end housing positioning disk 4 are located main shaft 1 both ends respectively, and stator positioning disk 3 sets up the central line department that is close to main shaft 1. The number of the front end cover positioning plates 2 and the number of the rear end cover positioning plates 4 are not less than one. The number of the stator positioning plates 3 is not less than two.

The diameters of the front end cover positioning disc 2 and the rear end cover positioning disc 4 are equal, and the diameters of the front end cover positioning disc 2 and the rear end cover positioning disc 4 are not larger than the diameter of the stator positioning disc 3.

The grooves 5 are as shown in fig. 2, 3 and 4, the grooves 5 are uniformly distributed on the side walls of the front end cover positioning plate 2, the stator positioning plate 3 and the rear end cover positioning plate 4, and the grooves 5 are T-shaped sliding grooves.

The number of the positioning sliding blocks 6 in each groove 5 is not less than one, and the positioning sliding blocks 6 are embedded with the grooves 5.

The positioning slide block 6 is shown in fig. 5, the positioning slide block 6 comprises a positioning rod 8 and a base 7 vertically and fixedly connected with the bottom end of the positioning rod 8, and the top surface of the positioning rod 8 is arc-shaped.

The positioning sliding blocks 6 are fastened at the bottom of the groove 5 through bolts 9.

The utility model relates to a main part's effect is as follows respectively among coaxial appearance:

positioning a disc: the positioning disk comprises a front end cover positioning disk 2, a stator positioning disk 3 and a rear end cover positioning disk 4, the front end cover positioning disk 2, the stator positioning disk 3 and the rear end cover positioning disk 4 are connected to the same main shaft 1, coaxiality is guaranteed, and meanwhile the positioning disk side wall is provided with a positioning sliding block 6, so that the positioning disk can be adjusted at any time in the installation process.

Positioning the slide block 6: different length locating levers 8 can be changed according to the diameter of motor stator, both ends front and back end cover to location slider 6 for through the slide adjustment, make the installation convenient and fast more.

A main shaft 1: the front end cover positioning disc 2, the stator positioning disc 3 and the rear end cover positioning disc 4 are connected to the same main shaft 1 to ensure coaxiality.

Groove 5: the groove 5 is matched with the positioning sliding block 6, and the installation process is more convenient and faster through sliding adjustment.

The utility model relates to a coaxial appearance, its theory of operation as follows:

firstly, adjusting each positioning slide block 6 in a groove 5 on the side wall of a stator positioning disk 3 to a proper position and then fastening the positioning slide blocks, adjusting the positioning slide blocks 6 in grooves 5 on a front end cover positioning disk 2 and a rear end cover positioning disk 4 to proper positions and then fastening the positioning slide blocks, wherein the length of a positioning rod 8 in each positioning slide block 6 is adjusted according to the size of an inner hole of a servo motor stator, so that the maximum outer diameter of the adjusted positioning slide block 6 and the stator positioning disk 3 is equal to the size of the inner hole of the servo motor stator; the length of the positioning rod 8 of the positioning slide block 6 on the front end cover positioning disk 2 is adjusted according to the size of the inner hole of the front end cover, the length of the positioning rod 8 of the end cover positioning slide block 6 on the rear end cover positioning disk 4 is adjusted according to the size of the inner hole of the rear end cover, finally, the maximum outer diameter of the positioning slide block 6 and the front end cover positioning disk 2 is the same as the size of the inner hole of the front end cover, and the maximum outer diameter of the positioning slide block 6 and the rear end cover positioning disk 4 is the same as the size of the inner hole of the rear bearing seat.

Then, will the utility model discloses the device assembly is in servo motor stator hole, simultaneously with motor front end housing, the rear end cap is all installed the utility model discloses both ends about the device, motor stator, front end housing, rear end cap are all coaxial this moment, are exactly the accurate position of installing promptly.

Because the utility model discloses

device location slider

6 and 5 accordant connection of recess, when assembling the big or small servo motor of different moments of torsion, can choose for use the location slider 6 of external diameter variation according to actual need to through sliding base 7 adjustment location slider 6 to suitable position, the slide adjusting is convenient, and the assembly range is more extensive.

The utility model relates to a coaxial appearance, the working process as follows:

the utility model discloses all location sliders 6 on the positioning disk are assembled according to actual servo motor size requirement in advance, at first the utility model discloses the device is adorned in servo motor stator hole, assembles front end housing and rear end cap respectively simultaneously, wherein, the rear bearing frame is assembled in advance, the utility model discloses the device is both ends about, through the bolt with servo motor stator, front end housing and rear end cap assembly, motor stator, motor front end housing, motor rear end cap just are concentric at this moment, have guaranteed the axiality; and finally, the rear bearing seat is detached, the utility model device is taken out, and the assembly is completed.

Claims

1. The utility model provides a coaxial appearance, its characterized in that, includes main shaft (1), main shaft (1) has set gradually front end housing positioning disk (2), stator positioning disk (3) and rear end cap positioning disk (4) from one end, along being on a parallel with main shaft (1) axis direction all has seted up a plurality of recesses (5) on the lateral wall of front end housing positioning disk (2), stator positioning disk (3) and rear end cap positioning disk (4) respectively, all install location slider (6) in recess (5).

2. The coaxial instrument according to claim 1, wherein the front end cap positioning disk (2), the stator positioning disk (3) and the rear end cap positioning disk (4) are all columnar, the front end cap positioning disk (2) and the rear end cap positioning disk (4) are respectively located at two ends of the main shaft (1), and the stator positioning disk (3) is arranged at a position close to a central line of the main shaft (1).

3. A co-axial instrument according to claim 2, wherein there is not less than one front end cap puck (2) and rear end cap puck (4).

4. A coaxiality according to claim 2, wherein the stator positioning plates (3) are not less than two.

5. The coaxial instrument according to claim 2, wherein the diameters of the front end cover positioning disk (2) and the rear end cover positioning disk (4) are equal, and the diameters of the front end cover positioning disk (2) and the rear end cover positioning disk (4) are not larger than the diameter of the stator positioning disk (3).

6. A coaxial instrument according to claim 1, characterized in that there is not more than one positioning slider (6) in each recess (5), said positioning slider (6) being engaged with the recess (5).

7. The coaxial instrument according to claim 6, wherein the positioning sliding block (6) comprises a positioning rod (8) and a base (7) vertically and fixedly connected with the bottom end of the positioning rod (8), and the top surface of the positioning rod (8) is arc-shaped.

8. The apparatus according to claim 1 or 6, wherein the grooves (5) are uniformly distributed on the front end cover positioning plate (2), the stator positioning plate (3) and the rear end cover positioning plate (4), and the grooves (5) are T-shaped sliding grooves.

9. A coaxial instrument according to claim 1, characterized in that the positioning sliders (6) are fastened to the bottom of the groove (5) by means of bolts (9).