Ultra-precise shaft sleeve capable of reducing abrasion for automatic equipment
By designing a lubricating structure including oil storage tank, tampon, oil outlet hole and sealing plug, the problem of serious wear caused by inconvenience to add lubricating oil is solved, and effective lubrication and wear reduction of internal parts of the shaft sleeve is achieved , extends service life.
Patent Information
- Application Number
- CN202421425688.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-21
AI Technical Summary
When used, it is inconvenient to add lubricating oil, resulting in serious wear of the sleeve.
An ultra-precision sleeve including a sleeve body, a built-in cavity, a lubricating structure, a protective structure and a limiting ring are designed. The lubricating structure includes an oil storage tank, a tampon, an oil outlet hole and a sealing plug. The lubricating oil is poured into the oil storage tank. The tampon absorbs the lubricating oil and drifts into the sleeve body through the oil outlet hole to prevent lubricating oil from leaking.
Through the design of the lubricating structure, the internal parts of the sleeve body are lubricated, which reduces friction during high-speed operation of the bearing, reduces wear, extends service life, and protects the inner wall of the sleeve body through the protective structure, further improving the Service life.
Smart Images

Figure CN222458101U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shaft sleeves, in particular to an ultra-precision shaft sleeve for automation equipment which can reduce wear. Background Art
[0002] With the improvement of industrial automation level, more and more mechanical equipment requires high-precision and high-reliability motion control, such as CNC machine tools, robots, etc. Ultra-precision bushings, as one of the core components of mechanical equipment, can effectively reduce the wear between moving parts and improve the service life and stability of equipment. When using traditional bushings, it is inconvenient to add lubricating oil, which makes the bushings wear more seriously.
[0003] Therefore, it is necessary to design an ultra-precision sleeve that is convenient for adding lubricating oil and replenishing lubricating oil to the bearing. Utility Model Content
[0004] The utility model aims to provide an ultra-precision shaft sleeve for automation equipment which can reduce wear, so as to solve the defect that it is inconvenient to add lubricating oil to the existing shaft sleeve during use, which makes the shaft sleeve wear more seriously.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an ultra-precision shaft sleeve for automation equipment capable of reducing wear, comprising a shaft sleeve assembly;
[0006] The shaft sleeve assembly comprises a shaft sleeve body, a built-in cavity, a lubrication structure, a protective structure and a limit ring. The shaft sleeve body is provided with a built-in cavity, and the shaft sleeve body outside the built-in cavity is evenly provided with a lubrication structure. The lubrication structure comprises an oil storage tank, a cotton strip, an oil outlet hole and a sealing plug. The oil storage tank is evenly provided inside the shaft sleeve body outside the built-in cavity, and the oil storage tank is evenly provided with cotton strips inside. The shaft sleeve body on one side of the oil storage tank is evenly provided with oil outlet holes, and the top of the oil storage tank is provided with a sealing plug.
[0007] A limit ring is arranged on the top of the built-in cavity, and a protective structure is evenly arranged inside the built-in cavity;
[0008] A bearing body is arranged inside the inner protective structure of the built-in cavity.
[0009] Preferably, the top of the oil storage groove and the top of the shaft sleeve body are located on the same horizontal line, and the oil storage grooves are distributed at equal intervals inside the shaft sleeve body.
[0010] Preferably, the oil storage tank and the built-in cavity are connected to each other through an oil outlet hole, and the outer diameter of the tampon is smaller than the inner diameter of the oil storage tank.
[0011] Preferably, the oil outlet holes are distributed at equal intervals inside the shaft sleeve body, and the sealing plug and the shaft sleeve body form an interference fit structure via the oil storage groove.
[0012] Preferably, the outer wall of the limiting ring is fixedly connected to the inner wall of the sleeve body, and the inner diameter of the limiting ring is smaller than the outer diameter of the bearing body.
[0013] Preferably, the protective structure includes a protective plate, a connecting groove and a connecting block, the protective plate is evenly arranged inside the built-in cavity, a connecting groove is opened on one side of the protective plate, and a connecting block is fixed on the other side of the protective plate.
[0014] Preferably, the protective plates are distributed at equal intervals inside the built-in cavity, and the connecting blocks and the protective plates form an interference fit structure via connecting grooves.
[0015] The utility model provides an ultra-precision shaft sleeve for automation equipment that can reduce wear, and its advantages are:
[0016] By providing a lubricating structure, lubricating oil is poured into the oil storage tank, and the cotton strips will gradually absorb the lubricating oil to prevent the lubricating oil from leaking, and play a role in storing the lubricating oil. When in use, the lubricating oil will gradually flow into the interior of the shaft sleeve body through the oil outlet hole to lubricate the parts inside the shaft sleeve body, reduce the friction force of the bearing when running at high speed, reduce wear, and realize the function of lubricating parts and reducing wear of the device, thereby increasing the service life of the ultra-precision shaft sleeve when in use;
[0017] By providing a protective structure and inserting the connecting block into the connecting groove, multiple sets of protective plates can be connected to each other, forming a protective layer on the inner wall of the sleeve body to protect the inner wall of the sleeve body from damage caused by wear. The function of the device to protect the inner wall of the sleeve body is realized, and the service life of the ultra-precision sleeve when in use is increased. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;
[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the main cross-section of the utility model;
[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model in a top view.
[0023] Explanation of the reference numerals in the figure: 1. sleeve assembly; 101. sleeve body; 102. built-in cavity; 103. lubrication structure; 1031. oil storage tank; 1032. cotton strip; 1033. oil outlet hole; 1034. sealing plug; 104. protective structure; 1041. protective plate; 1042. connecting groove; 1043. connecting block; 105. limiting ring; 2. bearing body. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-Figure 5 The utility model provides an ultra-precision shaft sleeve for automation equipment which can reduce wear, and includes a shaft sleeve assembly 1.
[0026] Reference Figure 1-Figure 5 The shaft sleeve assembly 1 includes a shaft sleeve body 101, a built-in cavity 102, a lubricating structure 103, a protective structure 104 and a limiting ring 105. The shaft sleeve body 101 is provided with a built-in cavity 102, and the lubricating structure 103 is evenly arranged inside the shaft sleeve body 101 outside the built-in cavity 102. The lubricating structure 103 includes an oil storage tank 1031, a cotton strip 1032, an oil outlet hole 1033 and a sealing plug 1034. The oil storage tank 1031 is evenly arranged inside the shaft sleeve body 101 outside the built-in cavity 102, and the cotton strip 1032 is arranged inside the oil storage tank 1031. The shaft sleeve body 1031 on one side of the oil storage tank 1031 1 is evenly provided with oil outlet holes 1033, a sealing plug 1034 is provided on the top of the oil storage tank 1031, the top of the oil storage tank 1031 and the top of the shaft sleeve body 101 are located at the same horizontal line, the oil storage tanks 1031 are evenly spaced inside the shaft sleeve body 101, the oil storage tanks 1031 and the built-in cavity 102 are connected to each other through the oil outlet holes 1033, the outer diameter of the cotton strip 1032 is smaller than the inner diameter of the oil storage tank 1031, the oil outlet holes 1033 are evenly spaced inside the shaft sleeve body 101, and the sealing plug 1034 and the shaft sleeve body 101 form an interference fit structure through the oil storage tank 1031.
[0027] Lubricating oil is poured into the oil storage tank 1031, and the cotton strip 1032 will gradually absorb the lubricating oil to prevent the lubricating oil from leaking and store the lubricating oil. When in use, the lubricating oil will flow into the interior of the sleeve body 101 through the oil outlet hole 1033 to lubricate the parts inside the sleeve body 101, reduce the friction of the bearing when running at high speed, and reduce wear.
[0028] Reference Figure 1-Figure 5 A limit ring 105 is arranged on the top of the built-in cavity 102, and the outer wall of the limit ring 105 is fixedly connected to the inner wall of the sleeve body 101, and the inner diameter of the limit ring 105 is smaller than the outer diameter of the bearing body 2. A protective structure 104 is evenly arranged inside the built-in cavity 102, and the protective structure 104 includes a protective plate 1041, a connecting groove 1042 and a connecting block 1043. The protective plate 1041 is evenly arranged inside the built-in cavity 102, and a connecting groove 1042 is opened on one side of the protective plate 1041, and a connecting block 1043 is fixed on the other side of the protective plate 1041. The protective plates 1041 are evenly distributed inside the built-in cavity 102, and the connecting block 1043 and the protective plate 1041 form an interference fit structure through the connecting groove 1042. The bearing body 2 is arranged on the inner side of the protective structure 104 inside the built-in cavity 102.
[0029] By inserting the connecting block 1043 into the connecting groove 1042, multiple sets of protective plates 1041 can be connected to each other, forming a protective layer on the inner wall of the sleeve body 101 to protect the inner wall of the sleeve body 101 from damage caused by wear.
[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. An ultra-precision bushing for automation equipment capable of reducing wear, comprising a bushing assembly (1); Features: The shaft sleeve assembly (1) comprises a shaft sleeve body (101), a built-in cavity (102), a lubricating structure (103), a protective structure (104) and a limiting ring (105); the shaft sleeve body (101) is provided with a built-in cavity (102); the shaft sleeve body (101) is provided with a lubricating structure (103) evenly disposed outside the built-in cavity (102); the lubricating structure (103) comprises an oil storage tank (1031), a cotton strip (1032), and a protective structure (104). ), oil outlet holes (1033) and sealing plugs (1034), the oil storage tank (1031) being evenly arranged inside the shaft sleeve body (101) outside the built-in cavity (102), cotton strips (1032) being arranged inside the oil storage tank (1031), oil outlet holes (1033) being evenly opened inside the shaft sleeve body (101) on one side of the oil storage tank (1031), and a sealing plug (1034) being arranged on the top of the oil storage tank (1031); A limit ring (105) is arranged on the top of the built-in cavity (102), and protective structures (104) are evenly arranged inside the built-in cavity (102); A bearing body (2) is arranged inside the protective structure (104) inside the built-in cavity (102).
2. The ultra-precision bushing for automation equipment capable of reducing wear according to claim 1, characterized in that: The top of the oil storage groove (1031) and the top of the shaft sleeve body (101) are located on the same horizontal line, and the oil storage grooves (1031) are distributed at equal intervals inside the shaft sleeve body (101).
3. The ultra-precision bushing for automation equipment capable of reducing wear according to claim 1, characterized in that: The oil storage tank (1031) and the built-in cavity (102) are connected to each other via an oil outlet hole (1033), and the outer diameter of the cotton strip (1032) is smaller than the inner diameter of the oil storage tank (1031).
4. The ultra-precision bushing for automation equipment capable of reducing wear according to claim 1, characterized in that: The oil outlet holes (1033) are distributed at equal intervals inside the shaft sleeve body (101), and the sealing plug (1034) and the shaft sleeve body (101) form an interference fit structure via the oil storage groove (1031).
5. The ultra-precision bushing for automation equipment capable of reducing wear according to claim 1, characterized in that: The outer wall of the limiting ring (105) is fixedly connected to the inner wall of the shaft sleeve body (101), and the inner diameter of the limiting ring (105) is smaller than the outer diameter of the bearing body (2).
6. The ultra-precision bushing for automation equipment capable of reducing wear according to claim 1, characterized in that: The protective structure (104) comprises a protective plate (1041), a connection groove (1042) and a connection block (1043); the protective plate (1041) is evenly arranged inside the built-in cavity (102); one side of the protective plate (1041) is provided with a connection groove (1042); and the other side of the protective plate (1041) is fixed with a connection block (1043).
7. The ultra-precision bushing for automation equipment capable of reducing wear according to claim 6, characterized in that: The protection plates (1041) are distributed at equal intervals inside the built-in cavity (102), and the connection blocks (1043) and the protection plates (1041) form an interference fit structure via the connection grooves (1042).