CN214424924U

CN214424924U - High-speed bearing of numerical control machine tool

Info

Publication number: CN214424924U
Application number: CN202022912280.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Laiwu Futai Machinery Co ltd
Current assignee: Laiwu Futai Machinery Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-19
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a digit control machine tool high speed bearing, the utility model relates to a bearing technical field, digit control machine tool high speed bearing, including outer loop and inner ring, the inner ring is located the outer loop inboard, outer loop top fixedly connected with oil transportation piece, it has the oil transportation hole that runs through its inside to open in the middle of above the oil transportation piece, the outer loop below is equipped with the oil storage piece, it has the oil storage room to open the oil storage piece inboard top, the oil storage piece left and right sides all is fixed with the connecting block, the centre is equipped with the screw below the connecting block, be equipped with the holder between outer loop and the inner ring, it has a plurality of to be the cavity that the circumference was arranged to open in the holder, all be equipped with the ball in the cavity, the inboard fixedly connected with a plurality of holder is the connecting rod that the circumference was arranged, connecting rod inner wall and inner ring outer wall fixed connection, it has the oilhole to open in the middle of outer loop top, the beneficial effects of the utility model lie in: lubricating oil can be added into the bearing when in use, and the lubricating oil flowing out of the bearing can be stored to prevent the lubricating oil from polluting a machine tool.

Description

High-speed bearing of numerical control machine tool

Technical Field

The utility model relates to a bearing technical field specifically is a digit control machine tool high speed bearing.

Background

The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. Along with the rapid development of the industry in China, machine tool equipment is increased day by day, the complexity of the machine tool equipment is higher and higher, the requirements for bearings connected with various mechanisms are higher and higher correspondingly, the bearings matched with the numerical control machine tool equipment are required to be higher in rotating speed, the conventional high-speed bearings are inconvenient to lubricate in use, and lubricating oil flowing out of the bearings is not stored in places, so that the interior of a machine tool is easily polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem and not enough of the above-mentioned existence, provide a digit control machine tool high speed bearing, can add lubricating oil in the bearing when using to can store the lubricating oil that flows from the bearing, prevent that it from polluting the lathe.

In order to achieve the purpose, the adopted technical scheme is as follows:

the utility model provides a digit control machine tool high speed bearing, includes outer loop and inner ring, its characterized in that:

the inner ring is positioned on the inner side of the outer ring;

an oil conveying block is fixedly connected above the outer ring, an oil conveying hole penetrating through the oil conveying block is formed in the middle of the upper surface of the oil conveying block, an oil storage block is arranged below the outer ring, an oil storage chamber is formed above the inner side of the oil storage block, connecting blocks are fixed on the left side and the right side of the oil storage block, and a screw is arranged in the middle of the lower surface of each connecting block;

a retainer is arranged between the outer ring and the inner ring, a plurality of cavities which are circumferentially arranged are formed in the retainer, balls are arranged in the cavities, a plurality of connecting rods which are circumferentially arranged are fixedly connected to the inner side of the retainer, and the inner walls of the connecting rods are fixedly connected with the outer wall of the inner ring;

open in the middle of the outer loop top has the oilhole, the oilhole below is equipped with the rack that is located the ball top, both ends all with oilhole inner wall both sides fixed connection about the rack, it has the oil outlet to open in the middle of the outer loop below.

Preferably, one end of the screw penetrates through the connecting block and is inserted into the outer ring, and the connecting block is detachably connected with the outer ring through the screw.

Preferably, the oil inlet hole corresponds to the oil delivery hole in position, the inner diameter of the oil inlet hole is larger than that of the oil delivery hole, and the oil inlet hole is communicated with the oil delivery hole.

Preferably, the oil storage chamber is located below the oil outlet hole, and the oil outlet hole is communicated with the oil storage chamber.

Preferably, the outer surface of the ball passes through the cavity and contacts with the inner wall of the outer ring.

Preferably, the outer diameter of the cage is smaller than the inner diameter of the outer ring, and the cage is slidably connected with the outer ring through balls.

Compared with the prior art, the beneficial effects of the utility model are that:

through oil transportation piece and oil transportation hole, the person of facilitating the use adds lubricating oil in to the bearing, lubricate ball and holder, through the rack, can prevent that the ball from blocking in the oilhole department, the normal use of bearing has been guaranteed, and work efficiency has been improved, through the oil storage chamber, can store the lubricating oil that flows out in the bearing, prevent that lubricating oil from flowing into in the lathe, pollute other parts in the lathe, through screw and connecting block, make the oil storage piece can dismantle, the person of facilitating the use pours the lubricating oil in the oil storage chamber, and can clear up the oil storage chamber, further prevent other parts in the lubricating oil pollution lathe.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the overall three-dimensional structure of the present invention;

fig. 3 is a schematic diagram of a partial structure a of fig. 1 according to the present invention.

The labels in the figure are: the oil-saving device comprises an outer ring 1, a retainer 2, an inner ring 3, balls 4, an oil conveying block 5, an oil conveying hole 6, an oil inlet hole 7, a cavity 8, a connecting rod 9, a net rack 10, an oil outlet hole 11, an oil storage block 12, an oil storage chamber 13, a connecting block 14 and screws 15.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1-3, the present invention provides a technical solution, a high-speed bearing of a numerical control machine tool, including an outer ring 1 and an inner ring 3, where the inner ring 3 is located inside the outer ring 1;

a retainer 2 is arranged between the outer ring 1 and the inner ring 3, the outer diameter of the retainer 2 is smaller than the inner diameter of the outer ring 1, a plurality of cavities 8 which are circumferentially arranged are formed in the retainer 2, balls 4 are arranged in the cavities 8, the outer surfaces of the balls 4 penetrate through the cavities 8 and are contacted with the inner wall of the outer ring 1, the retainer 2 is connected with the outer ring 1 in a sliding manner through the balls 4, a plurality of connecting rods 9 which are circumferentially arranged are fixedly connected to the inner side of the retainer 2, and the inner wall of each connecting rod 9 is fixedly connected with the outer wall of the inner ring 3;

an oil delivery block 5 is fixedly connected above the outer ring 1, an oil delivery hole 6 penetrating through the oil delivery block 5 is formed in the middle of the upper surface of the oil delivery block, an oil inlet hole 7 is formed in the middle of the upper portion of the outer ring 1, the position of the oil inlet hole 7 corresponds to that of the oil delivery hole 6, the inner diameter of the oil inlet hole 7 is larger than that of the oil delivery hole 6, the oil inlet hole 7 is communicated with the oil delivery hole 6, a net rack 10 positioned above the balls 4 is arranged below the oil inlet hole 7, and the left end and the right end of the net rack 10 are fixedly connected with two sides of the inner wall of the oil inlet hole 7,

specifically, a user can add lubricating oil into the oil conveying hole 6 on the oil conveying block 5, the lubricating oil flows into the oil inlet hole 7 from the oil conveying hole 6, the inner diameter of the oil inlet hole 7 is larger than that of the oil conveying hole 6, the lubricating oil can be prevented from leaking out from a joint of the oil conveying block 5 and the outer ring 1 when entering the oil inlet hole 7 from the oil conveying hole 6, the user can conveniently add the lubricating oil into the bearing through the oil conveying hole 6 when the bearing works, the lubricating oil flows into a space between the outer ring 1 and the retainer 2 and a cavity 8 after passing through the net frame 10 from the oil inlet hole 7, the retainer 2 is fixedly connected with the connecting rod 9, the connecting rod 9 is fixedly connected with the inner ring 3, so that the retainer 2 can be driven to rotate when the inner ring 3 rotates, the lubricating oil can play a role in lubricating the retainer 2 and the balls 4, the retainer 2 and the balls 4 can be more smooth when rotating, the normal work of the bearing is ensured, and the working efficiency is improved, meanwhile, the net rack 10 can serve as a contact surface for the balls 4 to rotate to the lower side of the net rack 10, lubricating oil is not influenced to flow between the outer ring 1 and the retainer 2 through the net rack 10, the smoothness of the retainer 2 and the balls 4 during rotation is further improved, normal use of the bearing is guaranteed, the lubricating oil can also cool the bearing in use to a certain degree, and safety is improved.

An oil outlet hole 11 is arranged in the middle of the lower part of the outer ring 1, an oil storage block 12 is arranged below the outer ring 1, an oil storage chamber 13 is arranged above the inner side of the oil storage block 12, the oil storage chamber 13 is arranged below the oil outlet hole 11, the oil outlet hole 11 is communicated with the oil storage chamber 13,

furthermore, after a user adds lubricating oil into the oil delivery hole 6, the lubricating oil flowing through between the outer ring 1 and the retainer 2 drives the retainer 2 to rotate due to the inner ring 3 when the bearing works, so that the lubricating oil between the retainer 2 and the outer ring 1 is also driven to flow to the oil outlet hole 11, the lubricating oil flows out of the oil outlet hole 11 and then flows into the oil storage chamber 13 on the oil storage block 12 to be stored, the oil storage chamber 13 can store redundant lubricating oil, the situation that the lubricating oil is difficult to store in a centralized manner and directly flows into the machine tool after flowing out of the oil outlet hole 11 is prevented, the machine tool is prevented from being polluted by the lubricating oil, and other parts in the machine tool are protected.

The left side and the right side of the oil storage block 12 are both fixed with connecting blocks 14, the middle of the lower surface of each connecting block 14 is provided with a screw 15, one end of each screw 15 penetrates through each connecting block 14 and is inserted into the outer ring 1, and each connecting block 14 is detachably connected with the outer ring 1 through the screw 15;

furthermore, when the lubricating oil in the oil storage chamber 13 is too much, can screw out the screw 15 on the connecting block 14, make connecting block 14 dismantle the separation with outer loop 1, can make oil storage block 12 dismantle with outer loop 1, the person of facilitating the use pours the lubricating oil in the oil storage chamber 13, and can clear up oil storage chamber 13, after the user cleared up oil storage chamber 13, the rethread screws into 15 on connecting block 14, make screw 15 insert in the outer loop 1, make connecting block 14 install under outer loop 1, be convenient for store the lubricating oil from the bearing outflow, further prevent other parts in the lubricating oil pollution lathe.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims

1. The utility model provides a digit control machine tool high speed bearing, includes outer ring (1) and inner ring (3), its characterized in that:

the inner ring (3) is positioned at the inner side of the outer ring (1);

an oil conveying block (5) is fixedly connected above the outer ring (1), an oil conveying hole (6) penetrating through the oil conveying block (5) is formed in the middle of the upper surface of the outer ring (1), an oil storage block (12) is arranged below the outer ring (1), an oil storage chamber (13) is formed above the inner side of the oil storage block (12), connecting blocks (14) are fixed on the left side and the right side of the oil storage block (12), and a screw (15) is arranged in the middle of the lower surface of each connecting block (14);

a retainer (2) is arranged between the outer ring (1) and the inner ring (3), a plurality of cavities (8) which are circumferentially arranged are formed in the retainer (2), balls (4) are arranged in the cavities (8), a plurality of connecting rods (9) which are circumferentially arranged are fixedly connected to the inner side of the retainer (2), and the inner walls of the connecting rods (9) are fixedly connected with the outer wall of the inner ring (3);

open in the middle of outer loop (1) top has oil inlet (7), oil inlet (7) below is equipped with rack (10) that are located ball (4) top, both ends all with oil inlet (7) inner wall both sides fixed connection about rack (10), it has oil outlet (11) to open in the middle of outer loop (1) below.

2. The high-speed bearing of the numerical control machine tool according to claim 1, characterized in that: one end of the screw (15) penetrates through the connecting block (14) and is inserted into the outer ring (1), and the connecting block (14) is detachably connected with the outer ring (1) through the screw (15).

3. The high-speed bearing of the numerical control machine tool according to claim 1, characterized in that: the oil inlet hole (7) corresponds to the oil delivery hole (6), the inner diameter of the oil inlet hole (7) is larger than that of the oil delivery hole (6), and the oil inlet hole (7) is communicated with the oil delivery hole (6).

4. The high-speed bearing of the numerical control machine tool according to claim 1, characterized in that: the oil storage chamber (13) is located below the oil outlet hole (11), and the oil outlet hole (11) is communicated with the oil storage chamber (13).

5. The high-speed bearing of the numerical control machine tool according to claim 1, characterized in that: the outer surface of the ball (4) penetrates through the cavity (8) and is contacted with the inner wall of the outer ring (1).

6. The high-speed bearing of the numerical control machine tool according to claim 5, characterized in that: the outer diameter of the retainer (2) is smaller than the inner diameter of the outer ring (1), and the retainer (2) is connected with the outer ring (1) in a sliding mode through balls (4).