CN217619935U

CN217619935U - Direct-connected dynamic and static pressure main shaft

Info

Publication number: CN217619935U
Application number: CN202221925459.9U
Authority: CN
Inventors: 杜加帮
Original assignee: Hangzhou Hangkun Electromechanical Equipment Co ltd
Current assignee: Hangzhou Hangkun Electromechanical Equipment Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-21
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a direct-connected type hybrid main shaft belongs to hybrid main shaft technical field, including the frame, its characterized in that: the frame intermediate position sets up the fixing base, the fixing base runs through the frame, the fixing base with frame fixed connection, the inside bearing that sets up of fixing base, the outer lane of bearing with fixing base fixed connection, the inside axis body that sets up of fixing base, the axis body with the inner circle fixed connection of bearing, axis body one end sets up the (holding) chuck, the (holding) chuck with axis body fixed connection, the frame is kept away from (holding) chuck one side sets up the connecting plate, the connecting plate with frame fixed connection, the axis body is kept away from (holding) chuck one end sets up the motor, the axis body with the rotor fixed connection of motor, the motor with connecting plate fixed connection, the utility model discloses compromise the holistic stability of hybrid main shaft well and the agility of change, guaranteed self leakproofness simultaneously effectively.

Description

Direct-connected dynamic and static pressure main shaft

Technical Field

The utility model relates to a hybrid main shaft technical field specifically is a direct-connected type hybrid main shaft.

Background

In industrial production activities, particularly in production scenes relating to a numerically controlled grinding machine, a dynamic and static pressure main shaft is an indispensable production tool, in order to match a high-precision and high-efficiency production mode of the numerically controlled grinding machine, the whole dynamic and static pressure main shaft needs to have enough stability, meanwhile, the situations that pollutants such as dust and the like in the external environment enter the inside of the dynamic and static pressure main shaft and lubricating oil in the internal of the dynamic and static pressure main shaft leaks out and the like need to be avoided as much as possible, so that long-time stable operation is realized, in addition, when the dynamic and static pressure main shafts with different specifications need to be replaced as quickly as possible, so that the replacement time is shortened, the production efficiency is ensured, but the situations are still unsatisfied working requirements, the technical scheme of related technical personnel generally cannot give consideration to the stability, the sealing performance and the replacement rapidness of the whole dynamic and static pressure main shaft, and how to enable the dynamic and static pressure main shafts to have high stability, high sealing performance and replacement efficiency, so that the high precision and production operation can be taken into consideration when being matched with the numerically controlled grinding machine, and the problems which are urgently needed to be solved by related technical personnel are more and more.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a direct-connected type hybrid main shaft.

The utility model provides a direct-connected type hybrid main shaft, includes frame, its characterized in that: the improved motor base comprises a base, and is characterized in that a fixing base is arranged in the middle of the base and penetrates through the base, the fixing base is fixedly connected with the base, a bearing is arranged inside the fixing base, the outer ring of the bearing is fixedly connected with the fixing base, a shaft body is arranged inside the fixing base and fixedly connected with the inner ring of the bearing, a chuck is arranged at one end of the shaft body, the chuck is fixedly connected with the shaft body, the base is far away from one side of the chuck is provided with a connecting plate, the connecting plate is fixedly connected with the base, a motor is arranged at one end of the chuck, the shaft body is fixedly connected with a rotor of the motor, and the motor is fixedly connected with the connecting plate.

Further, the bearing includes a second bearing and a third bearing, the second bearing is located at one end of the fixing seat close to the chuck, and the third bearing is located at one end of the fixing seat close to the motor.

Furthermore, the surfaces of the second bearing, the third bearing and the fixed seat inner wall are provided with sealing grooves.

Furthermore, a front end cover is arranged at one end, close to the chuck, of the fixing seat, the front end cover is fixedly connected with the fixing seat, a first bearing is arranged inside the front end cover, an outer ring of the first bearing is fixedly connected with the front end cover, and the shaft body is fixedly connected with an inner ring of the first bearing.

Furthermore, the front end cover is close to one side of the chuck plate and is provided with a protective cover, the protective cover is fixedly connected with the front end cover, the protective cover is close to one side of the chuck plate and is provided with a protective plate, the chuck plate is close to one side of the protective cover and is provided with a protective groove, the end part of the protective plate is positioned in the protective groove, the end part of the protective plate is consistent with the shape in the protective groove, and the protective plate is not in contact with the protective groove.

Furthermore, an oil seal is arranged at one end, close to the motor, of the fixing seat, and the oil seal is fixedly connected with the fixing seat.

The utility model discloses a direct-connected type hybrid main shaft's beneficial effect does:

1. the dynamic and static pressure main shaft takes the base as a carrier, and the shaft body and the motor are integrated into a whole, so that a good structural foundation is provided for the stability of the whole body of the dynamic and static pressure main shaft;

2. the first bearing, the second bearing and the third bearing effectively realize the comprehensive bearing of the shaft body, thereby effectively ensuring the stability of the rotation of the shaft body;

3. the sealing grooves on the surfaces of the second bearing and the third bearing effectively realize reasonable distribution of lubricating oil between the shaft body and the fixed seat, lubricating oil except normal lubrication can be stably stored in the sealing grooves, when the shaft body is used for a long time, the oil seal can effectively avoid the lubricating oil from overflowing towards the motor direction when the surface of the shaft body is worn, and the protective cover can effectively avoid the lubricating oil from overflowing towards the chuck plate direction, so that the self-sealing performance of the dynamic static pressure main shaft is effectively ensured;

4. the cooperation of guard plate and protective groove neither influences the normal rotation of axis body, has realized the separation to pollutants such as dust among the external environment again to further guaranteed the leakproofness of this dynamic static pressure main shaft, and guaranteed the long-time steady operation of this dynamic static pressure main shaft.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the protection scope of the present invention is not limited thereto.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

The device comprises a base 1, a third bearing 2, a fixed seat 3, a second bearing 4, a first bearing 5, a chuck 6, a protective cover 7, a front end cover 8, a sealing groove 9, a shaft body 10, an oil seal 11, a motor 12, a connecting plate 13, a protective groove 14 and a protective plate 15.

Detailed Description

For the sake of clarity, the direct-connected hybrid spindle of the present invention is further described with reference to fig. 1 to fig. 2 of the drawings attached to the specification.

The utility model provides a direct-connected hybrid main shaft, includes frame 1, its characterized in that: the improved motor base is characterized in that a fixing seat 3 is arranged in the middle of the base 1, the fixing seat 3 penetrates through the base 1, the fixing seat 3 is fixedly connected with the base 1, a bearing is arranged inside the fixing seat 3, an outer ring of the bearing is fixedly connected with the fixing seat 3, a shaft body 10 is arranged inside the fixing seat 3, the shaft body 10 is fixedly connected with an inner ring of the bearing, a chuck 6 is arranged at one end of the shaft body 10, the chuck 6 is fixedly connected with the shaft body 10, a connecting plate 13 is arranged on one side, away from the chuck 6, of the base 1, the connecting plate 13 is fixedly connected with the base 1, a motor 12 is arranged at one end, away from the chuck 6, of the shaft body 10, of the motor 12, and the motor 12 is fixedly connected with a rotor of the motor 12, and the motor 12 is fixedly connected with the connecting plate 13.

Further, the bearings include a second bearing 4 and a third bearing 2, the second bearing 4 is located at one end of the fixed seat 3 close to the chuck 6, and the third bearing 2 is located at one end of the fixed seat 3 close to the motor 12.

Furthermore, the surfaces of the second bearing 4, the third bearing 2 and the fixed seat 3, which are attached to the inner wall, are provided with sealing grooves 9.

Furthermore, a front end cover 8 is arranged at one end of the fixed seat 3 close to the chuck 6, the front end cover 8 is fixedly connected with the fixed seat 3, a first bearing 5 is arranged inside the front end cover 8, an outer ring of the first bearing 5 is fixedly connected with the front end cover 8, and the shaft body 10 is fixedly connected with an inner ring of the first bearing 5.

Furthermore, a protective cover 7 is arranged on one side, close to the chuck 6, of the front end cover 8, the protective cover 7 is fixedly connected with the front end cover 8, a protective plate 15 is arranged on one side, close to the chuck 6, of the protective cover 7, a protective groove 14 is arranged on one side, close to the protective cover 7, of the chuck 6, the end portion of the protective plate 15 is located inside the protective groove 14, the shape of the end portion of the protective plate 15 is consistent with that inside the protective groove 14, and the protective plate 15 is not in contact with the protective groove 14.

Further, the fixing base 3 is close to one end of the motor 12 is provided with an oil seal 11, and the oil seal 11 is fixedly connected with the fixing base 3.

The utility model discloses a direct-connected type hybrid main shaft's theory of operation does: according to production requirements, a static pressure main shaft with corresponding specifications is selected, a machine base 1 is fixed at an installation position, a grinding wheel with corresponding specifications is selected to be fixedly connected with a chuck 6, a motor 12 is started, a rotor of the motor 12 drives a shaft body 10 to rotate, and the first bearing 5, the second bearing 4 and the third bearing 2 are stably supported to enable the shaft body 10 to always drive the grinding wheel to stably rotate, and corresponding production operation is carried out, lubricating oil on the surfaces of the second bearing 4 and the third bearing 2 is always reasonably distributed in a sealing groove 9 between the shaft body 10 and a fixing base 3, so that the shaft body 10 is guaranteed to be normally lubricated, meanwhile, redundant lubricating oil is stored in the sealing groove 9, when the surface of the shaft body 10, especially the position of the sealing groove 9, is used for a long time, an oil seal 11 and a protective cover 7 play a role, the lubricating oil is prevented from overflowing towards the direction of the motor 12 and the direction of the chuck 6, the end portion of a protective plate 15 is located in the protective groove 14, when the chuck 6 rotates along with the shaft body 10, the protective cover 7 is always kept isolated from pollutants such as dust in the external environment, and accordingly, stable operation of the static pressure main shaft body is guaranteed for a long time.

The above are only embodiments of the present invention, but the scope of protection of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be covered within the scope of protection of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a direct-connected type hybrid main shaft, includes frame, its characterized in that: the improved motor base comprises a base, and is characterized in that a fixing base is arranged in the middle of the base and penetrates through the base, the fixing base is fixedly connected with the base, a bearing is arranged inside the fixing base, the outer ring of the bearing is fixedly connected with the fixing base, a shaft body is arranged inside the fixing base and fixedly connected with the inner ring of the bearing, a chuck is arranged at one end of the shaft body, the chuck is fixedly connected with the shaft body, the base is far away from one side of the chuck is provided with a connecting plate, the connecting plate is fixedly connected with the base, a motor is arranged at one end of the chuck, the shaft body is fixedly connected with a rotor of the motor, and the motor is fixedly connected with the connecting plate.

2. A direct type hybrid spindle as claimed in claim 1, wherein said bearing comprises a second bearing and a third bearing, said second bearing is located at one end of said fixing base near said chuck, said third bearing is located at one end of said fixing base near said motor.

3. The direct-connected hybrid spindle of claim 2, wherein the surfaces of the second bearing, the third bearing and the inner wall of the fixing seat are provided with sealing grooves.

4. The direct-connected hybrid spindle of claim 1, wherein a front end cover is disposed at one end of the fixing base close to the chuck, the front end cover is fixedly connected to the fixing base, a first bearing is disposed inside the front end cover, an outer ring of the first bearing is fixedly connected to the front end cover, and the shaft body is fixedly connected to an inner ring of the first bearing.

5. The direct-connected hybrid spindle according to claim 4, wherein a protective cover is disposed on a side of the front end cover close to the chuck, the protective cover is fixedly connected to the front end cover, a protective plate is disposed on a side of the protective cover close to the chuck, a protective groove is disposed on a side of the chuck close to the protective cover, an end portion of the protective plate is located inside the protective groove, a shape of the end portion of the protective plate is consistent with a shape of the inside of the protective groove, and the protective plate is not in contact with the protective groove.

6. The direct-connected hybrid main shaft according to claim 1, wherein an oil seal is arranged at one end of the fixing base close to the motor, and the oil seal is fixedly connected with the fixing base.