CN219013170U

CN219013170U - CNC lathe high-precision bearing

Info

Publication number: CN219013170U
Application number: CN202223223345.2U
Authority: CN
Inventors: 李昌级
Original assignee: Shenzhen Huashengxing Precision Hardware Co ltd
Current assignee: Shenzhen Huashengxing Precision Hardware Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-12
Anticipated expiration: 2032-12-02

Abstract

The utility model belongs to the technical field of bearings, and particularly relates to a CNC (computerized numerical control) machine tool high-precision bearing, which comprises an outer ring and an inner ring, wherein the inner ring is arranged in the outer ring, steel balls are connected between the outer ring and the inner ring in a sliding manner, a cover plate is connected in the outer ring in a sliding manner, the cover plate is in contact with the inner ring, a push block is connected in the cover plate in a sliding manner, a fixed rod is fixedly connected to the cover plate, the push block is in sliding sleeve joint with the fixed rod, a spring is arranged in the push block, a sliding block is fixedly connected to the lower end of the push block, and a sliding groove is formed in the cover plate. The utility model can remove the limit of the cover plate by arranging the push block, the slide block, the clamping block and the like, and can drive the clamping block on the slide block to slide out of the outer ring by moving the push block, thereby being convenient for disassembling the cover plate and solving the problem that the cover plate is inconvenient to disassemble when the components of the traditional CNC machine tool high-precision bearing are replaced.

Description

CNC lathe high-precision bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a CNC machine tool high-precision bearing.

Background

Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy. According to the utility model, through additionally arranging the inner and outer heat dissipation holes and the inner and outer heat dissipation layers, the heat dissipation effect can be enhanced, the impurity can not be accumulated, lubricating oil can enter the outer ring from the oil filling hole, the steel ball can be lubricated and is not easy to wear, and a wear-resistant layer is plated between the steel ball and the positioning hole of the steel ball, so that the bearing can work efficiently, the wear resistance is improved, and the service life is prolonged. The component is worn out when the high-precision bearing of the existing CNC machine tool is used for a long time, the cover plate is inconvenient to detach when the component is replaced, the inner ring of the high-precision bearing of the existing CNC machine tool is deformed when the high-precision bearing of the existing CNC machine tool is used for a long time, and the steel ball is easy to install and unstable.

Disclosure of Invention

The utility model aims to provide a CNC machine tool high-precision bearing, which solves the problems that the existing CNC machine tool high-precision bearing is inconvenient to detach a cover plate when a part is replaced, and the existing CNC machine tool high-precision bearing can deform an inner ring when used for a long time, so that the steel ball is easy to install and unstable.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a CNC lathe high-precision bearing, includes outer lane, inner circle, the inside of outer lane is provided with the inner circle, sliding connection has the steel ball between outer lane and the inner circle, the inside sliding connection of outer lane has the apron, apron and inner circle contact, the inside sliding connection of apron has the ejector pad, fixedly connected with dead lever on the apron, the ejector pad is slided and is cup jointed with the dead lever, the inside of ejector pad is provided with the spring, the lower extreme fixedly connected with slider of ejector pad, the spout has been seted up on the apron, the inside sliding connection of spout has the slider, the lower extreme fixedly connected with connecting block of slider, fixedly connected with fixture block on the connecting block, the inside sliding connection of outer lane has the fixture block, fixedly connected with keeps off the frame on the apron.

Preferably, the number of the steel balls is multiple, the steel balls are annularly distributed on the outer ring, and the inner ring can be driven to rotate through the design of the steel balls.

Preferably, one end of the spring is contacted with the push block, the other end of the spring is contacted with the fixed rod, and the push block can be driven to move through the design of the spring.

Preferably, the connecting block is in contact with the cover plate, and the connecting block is in contact with the outer ring. Through the design of connecting block, can drive the fixture block and remove.

Preferably, the baffle frame is contacted with the steel balls, the baffle frame is contacted with the outer ring, the baffle frame is contacted with the inner ring, the steel balls can be limited through the design of the baffle frame, and the inner ring and the outer ring can be prevented from deforming.

Preferably, the number of the cover plates is two, the two cover plates are symmetrically distributed on the outer ring, and the steel balls can be limited through the design of the cover plates.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model can remove the limit of the cover plate by arranging the push block, the slide block, the clamping block and the like, and can drive the clamping block on the slide block to slide out of the outer ring by moving the push block, thereby being convenient for disassembling the cover plate and solving the problem that the cover plate is inconvenient to disassemble when the components of the traditional CNC machine tool high-precision bearing are replaced.

2. According to the utility model, the baffle frame is arranged, so that the cover plate drives the baffle frame to slide between the outer ring and the inner ring when the cover plate is installed, the baffle frame can limit the steel balls, the inner ring and the outer ring can be molded, the inner ring and the outer ring can be prevented from being deformed, and the problem that the steel balls are easily unstable to install due to the deformation of the inner ring when the high-precision bearing of the traditional CNC machine tool is used for a long time is solved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 3 is an enlarged view of the structure of the portion a in fig. 2 according to the present utility model.

In the figure: 1. an outer ring; 2. an inner ring; 3. steel balls; 4. a cover plate; 5. a pushing block; 6. a fixed rod; 7. a spring; 8. a slide block; 9. a chute; 10. a connecting block; 11. a clamping block; 12. and a baffle frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a high-precision bearing of a CNC machine tool comprises an outer ring 1 and an inner ring 2, wherein the inner ring 2 is arranged in the outer ring 1, steel balls 3 are slidably connected between the outer ring 1 and the inner ring 2, the number of the steel balls 3 is multiple, the steel balls 3 are annularly distributed on the outer ring 1, the inner ring 2 can be driven to rotate through the design of the steel balls 3, cover plates 4 are slidably connected in the outer ring 1, the number of the cover plates 4 is two, the two cover plates 4 are symmetrically distributed on the outer ring 1, and the steel balls 3 can be limited through the design of the cover plates 4.

Referring to fig. 2-3, a cover plate 4 contacts with an inner ring 2, a push block 5 is slidably connected inside the cover plate 4, a fixed rod 6 is fixedly connected to the cover plate 4, the push block 5 is slidably sleeved with the fixed rod 6, a spring 7 is arranged inside the push block 5, one end of the spring 7 contacts with the push block 5, the other end of the spring 7 contacts with the fixed rod 6, the push block 5 can be driven to move through the design of the spring 7, a sliding block 8 is fixedly connected to the lower end of the push block 5, a sliding groove 9 is formed in the cover plate 4, a sliding block 8 is slidably connected inside the sliding groove 9, and a connecting block 10 is fixedly connected to the lower end of the sliding block 8.

Referring to fig. 2-3, the connection block 10 contacts with the cover plate 4, the connection block 10 contacts with the outer ring 1, the clamping block 11 can be driven to move through the design of the connection block 10, the clamping block 11 is fixedly connected to the connection block 10, the clamping block 11 is slidingly connected to the inside of the outer ring 1, the cover plate 4 is fixedly connected with the baffle frame 12, the baffle frame 12 contacts with the steel balls 3, the baffle frame 12 contacts with the outer ring 1, the baffle frame 12 contacts with the inner ring 2, the steel balls 3 can be limited through the design of the baffle frame 12, and the deformation of the inner ring 2 and the outer ring 1 can be prevented.

The specific implementation process of the utility model is as follows: when the sliding block is used, the sliding block 5 slides in the cover plate 4 and the sliding block 5 slides on the fixed rod 6, so that the sliding block 5 extrudes the spring 7, the sliding block 5 drives the sliding block 8 to slide in the sliding groove 9, the sliding block 8 drives the connecting block 10 to move, the connecting block 10 drives the clamping block 11 to move, the clamping block 11 slides out of the outer ring 1, the limit of the cover plate 4 can be relieved, and the cover plate 4 can be detached from the outer ring 1. Through being provided with the fender frame 12, can make apron 4 and the installation of outer lane 1, make apron 4 drive fender frame 12 in outer lane 1 and inner circle 2 and slide, make fender frame 12 and steel ball 3 contact, can make fender frame 12 spacing to steel ball 3 to can mould outer lane 1 and inner circle 2, prevent that outer lane 1 and inner circle 2 from warping.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a CNC lathe high accuracy bearing, includes outer lane (1), inner circle (2), its characterized in that: the inside of outer lane (1) is provided with inner circle (2), sliding connection has steel ball (3) between outer lane (1) and inner circle (2), the inside sliding connection of outer lane (1) has apron (4), apron (4) and inner circle (2) contact, the inside sliding connection of apron (4) has ejector pad (5), fixedly connected with dead lever (6) on apron (4), ejector pad (5) and dead lever (6) slip cup joint, the inside of ejector pad (5) is provided with spring (7), the lower extreme fixedly connected with slider (8) of ejector pad (5), spout (9) have been seted up on apron (4), the inside sliding connection of spout (9) has slider (8), the lower extreme fixedly connected with connecting block (10) of slider (8), fixedly connected with fixture block (11) on connecting block (10), the inside sliding connection of outer lane (1) has fixture block (11), fixedly connected with baffle frame (12) on apron (4).

2. The CNC machine high precision bearing of claim 1, wherein: the number of the steel balls (3) is multiple, and the steel balls (3) are annularly distributed on the outer ring (1).

3. The CNC machine high precision bearing of claim 1, wherein: one end of the spring (7) is contacted with the pushing block (5), and the other end of the spring (7) is contacted with the fixed rod (6).

4. The CNC machine high precision bearing of claim 1, wherein: the connecting block (10) is in contact with the cover plate (4), and the connecting block (10) is in contact with the outer ring (1).

5. The CNC machine high precision bearing of claim 1, wherein: the baffle frame (12) is in contact with the steel balls (3), the baffle frame (12) is in contact with the outer ring (1), and the baffle frame (12) is in contact with the inner ring (2).

6. The CNC machine high precision bearing of claim 1, wherein: the number of the cover plates (4) is two, and the two cover plates (4) are symmetrically distributed on the outer ring (1).