CN218137273U

CN218137273U - Hybrid main shaft for high-speed grinding scene

Info

Publication number: CN218137273U
Application number: CN202222564445.5U
Authority: CN
Inventors: 杜加帮
Original assignee: Hangzhou Hangkun Electromechanical Equipment Co ltd
Current assignee: Hangzhou Hangkun Electromechanical Equipment Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-27
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a hybrid main shaft for high-speed grinding scene belongs to hybrid main shaft technical field, including inner casing, interior axle housing, its characterized in that: interior axle shell and interior casing fixed connection, the inside central point of interior casing puts and sets up the motor, the inside central point of interior axle shell puts and sets up the axis body, the axis body is connected with the motor, the inside motor one end that is close to of interior axle shell sets up the rear bearing, the inside motor one end of keeping away from of interior axle shell sets up the front bearing, the axis body runs through the front bearing, the rear bearing, the inside inlet tube that sets up of interior casing, interior casing surface sets up first spiral pipe, interior axle shell surface sets up the second spiral pipe, the inside outlet pipe that sets up of interior axle shell, the inlet tube, first spiral pipe, the second spiral pipe, the outlet pipe switches on in proper order, the utility model discloses guaranteed the stability of the lubricated and work of this dynamic static pressure main shaft effectively, avoided this dynamic pressure main shaft to lead to whole overheated and then influence the condition that normal work leads to self to damage even because of axis body high-speed rotation effectively simultaneously.

Description

Hybrid main shaft for high-speed grinding scene

Technical Field

The utility model relates to a hybrid main shaft technical field specifically is a hybrid main shaft for high-speed grinding scene.

Background

In industrial production activities, particularly in production scenes relating to a numerically controlled grinder, in order to ensure high precision and high efficiency of production, a dynamic and static pressure main shaft is an indispensable production tool, in most production scenes, the shaft body of the dynamic and static pressure main shaft can stably run only by sufficient lubrication, but in special production scenes, a targeted improvement needs to be made, for example, some production scenes need high-speed rotation of the shaft body, if a common dynamic and static pressure main shaft is still adopted, the whole overheating of the dynamic and static pressure main shaft is easily caused, the normal work is influenced, and even the dynamic and static pressure main shaft is damaged, which obviously causes great negative influence on production operation, related technicians pay attention to the problem, but an effective solution of going out is not researched, and based on the situation, how to enable the dynamic pressure main shaft to be applied to the production scenes needing high-speed rotation of the shaft body can not be influenced by the whole overheating or even cause the normal work and the damage of the dynamic and static pressure main shaft, and the problem becomes more and more urgent to be solved by related technicians.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a hybrid main shaft for high-speed grinding scene.

The utility model provides a hybrid main shaft for high-speed grinding scene, includes inner housing, inner shaft shell, its characterized in that: the inner shaft shell is fixedly connected with the inner machine shell, a motor is arranged at the center inside the inner machine shell, a shaft body is arranged at the center inside the inner shaft shell, the shaft body is connected with the motor, a rear bearing is arranged at one end, close to the motor, inside the inner shaft shell, a front bearing is arranged at one end, far away from the motor, inside the inner shaft shell, the axis body runs through fore bearing, rear bearing, the inside inlet tube that sets up of inner casing, inner casing surface sets up first spiral pipe, inner casing surface sets up the second spiral pipe, the inside outlet pipe that sets up of inner casing, inlet tube, first spiral pipe, second spiral pipe, outlet pipe switch on in proper order.

Further, interior casing upper portion sets up the main oil pipe that advances, interior casing lower part sets up the main oil pipe that goes out, interior axle casing upper portion sets up vice oil pipe that advances, interior axle casing lower part sets up vice oil pipe that goes out, vice oil pipe that advances with the main oil pipe that advances switches on, vice oil pipe that goes out with the main oil pipe that goes out switches on, vice oil pipe that advances with front bearing, rear bearing correspond the position and all set up sub oil pipe that advances, rear bearing is radially close to axle body one side sets up the back and leads the oil groove, the back lead the oil groove with vice oil pipe switches on.

Further, the main oil pipe that advances is close to vice oil pipe one end sets up the connection position, the main oil pipe that goes out is close to vice oil pipe one end sets up down the connection position, go up the connection position, connect the position down and all set up the sealing member, the sealing member intercommunication of going up the connection position the main oil pipe with vice oil pipe that advances, the sealing member intercommunication of connecting the position down the main oil pipe with vice oil pipe that goes out.

Further, the inner shaft shell is far away from inner housing shell one end sets up the front end housing, the front end housing with inner shaft shell fixed connection, vice advance oil pipe with the front end housing corresponds the position and sets up the sub-oil pipe that advances, the front end housing is radially close to axis body one side sets up preceding oil groove, preceding oil groove with vice play oil pipe switches on, the axis body is close to front end housing one end sets up the limiting plate, the limiting plate with the axis body structure as an organic whole, the limiting plate is located the front bearing with between the front end housing.

Furthermore, an outer casing is arranged outside the inner casing, the outer casing is fixedly connected with the inner casing, an outer shaft casing is arranged outside the inner shaft casing, the outer shaft casing is fixedly connected with the inner shaft casing, and the outer shaft casing is fixedly connected with the outer casing.

The utility model discloses a beneficial effect that is used for high-speed hybrid main shaft of grinding scene does:

1. the water inlet pipe, the first spiral pipe, the second spiral pipe and the water outlet pipe are sequentially communicated, so that a good structural foundation is provided for leading in cold water and leading out warm water carrying heat generated by high-speed rotation of the shaft body, and even if the dynamic static pressure main shaft is used for a high-speed grinding scene, timely cooling can be guaranteed, so that the situation that the whole dynamic static pressure main shaft is overheated due to high-speed rotation of the shaft body to influence normal work and even damage the self-body is effectively avoided;

2. the main oil inlet pipe and the auxiliary oil inlet pipe provide a good structural foundation for leading oil, the auxiliary oil inlet pipe provides a good structural foundation for accurately guiding the oil to the rear bearing, the front bearing and the front end cover, and the rear oil guide groove and the front oil guide groove provide a good structural foundation for oil-free sealing of the inner shaft shell and smooth guiding of the oil to the auxiliary oil outlet pipe, so that the lubrication and working stability of the dynamic static pressure main shaft are effectively ensured;

3. the outer shell and the outer shaft shell effectively ensure the strength and the stability of the dynamic static pressure main shaft as a whole.

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 introduced, but not limiting the scope of the present invention.

Fig. 1 is a schematic structural diagram of the present invention.

Wherein, 1-outer machine shell, 2-inner machine shell, 3-main oil outlet pipe, 4-motor, 5-lower connecting position, 6-rear oil guiding groove, 7-rear bearing, 8-auxiliary oil outlet pipe, 9-outer shaft shell, 10-inner shaft shell, 11-front bearing, 12-limiting plate, 13-front oil guiding groove, 14-front end cover, 15-sub oil inlet pipe, 16-auxiliary oil inlet pipe, 17-second spiral pipe, 18-shaft body, 19-upper connecting position, 20-first spiral pipe and 21-main oil inlet pipe.

Detailed Description

In order to make the description clearer, the hybrid main shaft for the high-speed grinding scene of the present invention is further described with reference to the attached drawing fig. 1 of the specification.

The utility model provides a hybrid main shaft for high-speed grinding scene, includes interior casing 2, interior axle housing 10, its characterized in that: the inner shaft shell 10 is fixedly connected with the inner machine shell 2, the motor 4 is arranged at the center position in the inner machine shell 2, the shaft body 18 is arranged at the center position in the inner shaft shell 10, the shaft body 18 is connected with the motor 4, the rear bearing 7 is arranged at one end, close to the motor 4, in the inner shaft shell 10, the front bearing 11 is arranged at one end, far away from the motor 4, in the inner shaft shell 10, the axis body 18 runs through fore bearing 11, rear bearing 7, the inside inlet tube that sets up of

interior casing

2, 2 surfaces of interior casing set up first spiral pipe 20, the surface of interior axle shell 10 sets up second spiral pipe 17, the inside outlet pipe that sets up of interior axle shell 10, inlet tube, first spiral pipe 20, second spiral pipe 17, outlet pipe switch on in proper order.

Further, 2 upper portions of interior casing set up the owner and advance

oil pipe

21, 2 lower parts of interior casing set up

main oil pipe

3, 10 upper portions of interior axle shell set up

vice oil pipe

16, 10 lower parts of interior axle shell set up vice oil pipe 8, vice oil pipe 16 that advances with owner advances oil pipe 21 and switches on, vice oil pipe 8 with main oil pipe 3 switches on, vice oil pipe 16 that advances with the corresponding position of front bearing 11, rear bearing 7 all sets up sub-oil pipe 15, rear bearing 7 is radially close to axle body 18 one side sets up the back and leads oil groove 6, back lead oil groove 6 with vice oil pipe 8 switches on.

Further, the main oil inlet pipe 21 is close to one end of the auxiliary oil inlet pipe 16 and is provided with an upper connecting position 19, the main oil outlet pipe 3 is close to one end of the auxiliary oil outlet pipe 8 and is provided with a lower connecting position 5, the upper connecting position 19 and the lower connecting position 5 are both provided with sealing elements, the sealing elements at the upper connecting position 19 are communicated with the main oil inlet pipe 21 and the auxiliary oil inlet pipe 16, and the sealing elements at the lower connecting position 5 are communicated with the main oil outlet pipe 3 and the auxiliary oil outlet pipe 8.

Further, the inner shaft shell 10 is kept away from 2 one end of inner casing sets up front end housing 14, front end housing 14 with inner shaft shell 10 fixed connection, vice advance oil pipe 16 with front end housing 14 corresponds the position and sets up sub-oil pipe 15, front end housing 14 radially is close to 18 one side of axis body sets up preceding oil groove 13, preceding oil groove 13 with vice play oil pipe 8 switches on, the axis body 18 is close to 14 one end of front end housing sets up limiting plate 12, limiting plate 12 with axis body 18 is structure as an organic whole, limiting plate 12 is located front bearing 11 with between the front end housing 14.

Further, the outer casing 1 is arranged outside the inner casing 2, the outer casing 1 is fixedly connected with the inner casing 2, the outer shaft casing 9 is arranged outside the inner shaft casing 10, the outer shaft casing 9 is fixedly connected with the inner shaft casing 10, and the outer shaft casing 9 is fixedly connected with the outer casing 1.

The utility model discloses a theory of operation that is used for the hybrid main shaft of high-speed grinding scene does: the dynamic static pressure spindle is installed at an installation position, a grinding tool with required specifications is installed at one end, close to a front end cover 14, of a shaft body 18, for example, a grinding wheel, a motor 4 is started, the motor 4 drives the shaft body 18 to rotate, and grinding operation is carried out through the grinding wheel, in the process, oil passes through a main oil inlet pipe 21, a sealing piece at the position of an upper connecting position 19, an auxiliary oil inlet pipe 16, a sub oil inlet pipe 15 is precisely guided to a rear bearing 7, a front bearing 11 and the position of the front end cover 14, oil films are formed at the positions of the rear bearing 7, the front bearing 11 and the front end cover 14, the shaft body 18 is stably supported, the rear bearing 7 seals the oil inside a shaft shell 10 through a special labyrinth design of a front oil guide groove 13, redundant oil is guided to an auxiliary oil outlet pipe 8, finally, the sealing piece at the position of a lower connecting position 5 and the main oil outlet pipe 3 are guided out, the shaft body 18 rotates at a high speed to generate heat, cold water is guided in through a water inlet pipe, the cold water sequentially flows through the water inlet pipe, the first spiral pipe 20, the second spiral pipe 17 and the heat outlet pipe is finally taken away, so as to realize stable heat dissipation operation.

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 hybrid main shaft for high-speed grinding scene, includes inner casing, inner shaft shell, its characterized in that: the inner shaft shell with inner casing fixed connection, the inside central point of inner casing puts and sets up the motor, the inside central point of inner shaft shell puts and sets up the axis body, the axis body with the motor is connected, the inner shaft shell is inside to be close to motor one end sets up the rear bearing, the inside keeping away from of inner shaft shell motor one end sets up the fore bearing, the axis body runs through fore bearing, rear bearing, the inside inlet tube that sets up of inner casing, inner casing surface sets up first spiral pipe, inner shaft shell surface sets up the second spiral pipe, the inside outlet pipe that sets up of inner shaft shell, inlet tube, first spiral pipe, second spiral pipe, outlet pipe switch on in proper order.

2. The hybrid spindle for high-speed grinding scenes as claimed in claim 1, wherein a main oil inlet pipe is disposed at the upper part of the inner housing, a main oil outlet pipe is disposed at the lower part of the inner housing, an auxiliary oil inlet pipe is disposed at the upper part of the inner shaft housing, an auxiliary oil outlet pipe is disposed at the lower part of the inner shaft housing, the auxiliary oil inlet pipe is connected to the main oil inlet pipe, the auxiliary oil outlet pipe is connected to the main oil outlet pipe, sub oil inlet pipes are disposed at positions of the auxiliary oil inlet pipe corresponding to the front bearing and the rear bearing, a rear oil guide groove is disposed at a position of the rear bearing radially close to one side of the shaft body, and the rear oil guide groove is connected to the auxiliary oil outlet pipe.

3. The hybrid spindle for high-speed grinding scenes as claimed in claim 2, wherein the main oil inlet pipe is provided with an upper connection position near one end of the auxiliary oil inlet pipe, the main oil outlet pipe is provided with a lower connection position near one end of the auxiliary oil outlet pipe, the upper connection position and the lower connection position are both provided with sealing members, the sealing member at the upper connection position is communicated with the main oil inlet pipe and the auxiliary oil inlet pipe, and the sealing member at the lower connection position is communicated with the main oil outlet pipe and the auxiliary oil outlet pipe.

4. The dynamic and static pressure main shaft for the high-speed grinding scene as claimed in claim 2, wherein a front end cover is disposed at one end of the inner shaft shell far away from the inner casing, the front end cover is fixedly connected with the inner shaft shell, a sub oil inlet pipe is disposed at a position corresponding to the front end cover, a front oil guiding groove is disposed at one side of the front end cover radially close to the shaft body, the front oil guiding groove is communicated with the sub oil outlet pipe, a limiting plate is disposed at one end of the shaft body close to the front end cover, the limiting plate and the shaft body are of an integral structure, and the limiting plate is disposed between the front bearing and the front end cover.

5. The hybrid spindle for high-speed grinding scenes as claimed in claim 1, wherein an outer housing is provided outside the inner housing, the outer housing is fixedly connected with the inner housing, an outer shaft housing is provided outside the inner shaft housing, the outer shaft housing is fixedly connected with the inner shaft housing, and the outer shaft housing is fixedly connected with the outer housing.