Low-temperature laser cleaning tool for bearing
By designing a bearing low-temperature laser cleaning fixture, and using liquid immersion combined with motor drive and laser-induced cavitation technology, the problem of low efficiency in existing low-temperature laser cleaning methods has been solved, achieving efficient and stable bearing cleaning results.
Patent Information
- Application Number
- CN202423014402.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-07
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-07
AI Technical Summary
Existing low-temperature laser cleaning methods have limited efficiency in automatically or semi-automatically processing large batches of small, ring-shaped parts, and have high requirements for equipment and environment.
A bearing cryogenic laser cleaning fixture was designed, including components such as a spindle body, an upper outer shell, a middle outer shell, a guide plate, and a water leakage baffle. By injecting liquid into the cavity and using laser-induced cavitation technology for cryogenic cleaning, combined with motor-driven bearing rotation, efficient cleaning is achieved while preventing the liquid from affecting the motor operation.
It improves the efficiency of automated bearing cleaning, reduces surface damage caused by thermal effects, and ensures the stability and convenience of the cleaning process.
Smart Images

Figure CN223698694U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to laser cleaning technical field, concretely relates to a bearing low temperature laser cleaning frock. BACKGROUND
[0002] The principle of laser cleaning is mainly based on laser ablation mechanism and thermal elastic expansion peeling mechanism. Pulse laser can release a large amount of energy in a very short time, resulting in high energy density laser beam concentrated in a small area in a short time, rapidly heating and evaporating the contaminants or coating on the target surface. When the energy of the laser is enough to break the chemical bonds of the surface material, the chemical bonds vibrate, bend and even break, causing the molecules to decompose, and the surface contaminants are decomposed by light. The low-temperature laser cleaning of laser-induced cavitation technology is also a kind of laser cleaning.
[0003] The existing low-temperature laser cleaning method based on laser-induced cavitation technology needs to place the parts to be processed in a liquid, which is quite different from the traditional laser cleaning method, and has high requirements for the device and the environment. The processing efficiency of the low-temperature laser cleaning method for automatic and semi-automatic processing of large quantities of small ring-shaped parts is limited, therefore, there is an urgent need for a bearing low-temperature laser cleaning frock to improve the automatic processing efficiency. SUMMARY
[0004] The utility model provides a bearing low temperature laser cleaning frock, its purpose lies in solving the problem of the limited processing efficiency of the existing low-temperature laser cleaning method for automatic and semi-automatic processing of large quantities of small ring-shaped parts.
[0005] The utility model embodiment provides a bearing low temperature laser cleaning frock, including spindle body, the spindle body is sequentially provided with spindle upper end, spindle piston part and spline from top to bottom, the upper end sleeve of spindle upper end is equipped with bearing, the outside of spindle piston part is closely equipped with middle shell, the upper end of middle shell is provided with upper shell, the lower end of middle shell is provided with base shell, the bottom of base shell inside is provided with driving motor, the output of driving motor is provided with motor shaft, the upper end of motor shaft is correspondingly clamped and is connected with spline;
[0006] The lower end of the inner wall of the middle shell is provided with an annular guide plate, the guide plate is inclined downward from the outside to the inside, the outer side of the spindle body between the spindle piston part and the spline is provided with an annular spindle water leakage baffle, the spindle water leakage baffle is inclined downward from the inside to the outside, and the outer peripheral wall of the spindle water leakage baffle is above the upper wall surface of the guide plate.
[0007] By adopting the technical scheme, the bearing is tightly sleeved on the upper end of the main shaft, liquid is injected into the cavity surrounded by the upper shell, the middle shell and the piston part of the main shaft, the bearing is soaked in the liquid for laser low-temperature cleaning, the laser can also irradiate from the top to the bottom to process the upper side surface of the bearing, the driving motor drives the motor shaft to rotate, the motor shaft drives the spline to rotate, the spline drives the bearing sleeved on the upper end of the main shaft to rotate, the positioning bearing is used to clean the outer cylindrical surface, the bearing is convenient to assemble and disassemble, the machining efficiency is high, the laser-induced cavitation technology is used for low-temperature cleaning, the laser thermal effect can be reduced, surface damage caused by the thermal effect is avoided, and in the cleaning process, the small amount of water leakage from the top is guided to the guide plate through the main shaft water leakage baffle, so that the liquid does not fall on the driving motor to affect the normal work of the motor.
[0008] Further, a positioning ring is tightly fitted in the gap between the inner ring and the outer ring of the bearing, and the positioning ring is made of high-damping material.
[0009] By adopting the technical scheme, the slipping between the inner ring and the outer ring of the bearing is prevented, and the uniform rotation of the outer ring of the bearing is ensured.
[0010] Further, the diameter of the upper end of the main shaft is smaller than the diameter of the piston part of the main shaft, and the upper end of the main shaft is matched with the bearing.
[0011] By adopting the technical scheme, the bearing can be stably placed on the upper end of the main shaft, and the assembly of the middle shell is facilitated.
[0012] Further, the upper shell is made of transparent material.
[0013] By adopting the technical scheme, the laser can be irradiated to the outside surface of the bearing from the side, and the laser cleaning is facilitated.
[0014] Further, the middle shell is provided with a water leakage window, and the water leakage window is communicated with the gap between the guide plate and the middle shell.
[0015] By adopting the technical scheme, the guide plate guides the falling liquid to the water leakage window and flows out from the water leakage window.
[0016] The beneficial effects of the utility model are as follows:
[0017] The utility model discloses a bearing is closely equipped on the upper end of main shaft, injects liquid in the cavity that goes up the shell, the middle shell and the main shaft piston part surround, the bearing is soaked in the liquid and carries out laser cryogenic cleaning, laser can also be from above and downward irradiation, handle the upper side end surface of bearing, and drive motor drives motor shaft rotation, and motor shaft drives spline rotation, and spline drives the rotation of the bearing of the upper end of main shaft and is equipped, in the process of rotation cleaning, a small amount of water leakage in the upper is guided to the guide plate through the main shaft water leakage baffle, and the guide plate guides the liquid falling to the water leakage window place, and from the water leakage window place and flows outward, through the locating bearing, the cleaning outer circle face is convenient to assemble and disassemble, and the processing efficiency is high, and the laser-induced cavitation technology is used to carry out cryogenic cleaning simultaneously, can reduce the laser thermal effect, avoids the surface damage of heat effect.
[0018] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0019] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and together with the description serve to explain the present application, and do not limit the present application. In the drawings:
[0020] Figure 1 It is the cross section structure schematic diagram of the embodiment of the utility model;
[0021] Figure 2 It is the three-dimensional structure schematic diagram of the embodiment of the utility model;
[0022] Figure 3 It is the positioning ring installation structure schematic diagram of the embodiment of the utility model;
[0023] Reference numerals: 1, bearing;2, upper shell;3, middle shell;4, guide plate;5, water leakage window;6, base shell;7, drive motor;11, main shaft upper end;12, main shaft piston part;13, main shaft water leakage baffle;14, spline;15, motor shaft. DETAILED DESCRIPTION
[0024] In order to make the technical scheme of the utility model, technical scheme and advantages of the utility model more clearly, the following will be combined with the drawings of the specific embodiment of the utility model, the technical scheme of the embodiment of the utility model is clearly and completely described.The same reference signs in the drawings represent the same parts.It should be noted that the described embodiment is a part of the embodiment of the utility model, not all the embodiments.Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0025] Embodiment one
[0026] With reference to Figure 1 With Figure 2 The utility model embodiment proposes a bearing low temperature laser cleaning frock, including main shaft body, main shaft body is sequentially provided with main shaft upper end 11, main shaft piston part 12 and key 14 from top to bottom, the upper end of main shaft upper end 11 is sleeved with bearing 1, the outside of main shaft piston part 12 is closely sleeved with middle shell 3, the upper end of middle shell 3 is provided with upper shell 2, the lower end of middle shell 3 is provided with base shell 6, the bottom in base shell 6 inside is provided with drive motor 7, the output of drive motor 7 is provided with motor shaft 15, the upper end of motor shaft 15 is correspondingly clamped and is connected with key 14;
[0027] The lower end of middle shell 3 inner wall is provided with annular guide plate 4, guide plate 4 is inclined downward from outside to inside, the outside of main shaft body and between main shaft piston part 12 and key 14 is provided with annular main shaft water leakage baffle 13, main shaft water leakage baffle 13 is inclined downward from inside to outside, the outer peripheral wall of main shaft water leakage baffle 13 is above the upper wall of guide plate 4.
[0028] The bearing 1 is closely sleeved in the main shaft upper end 11, injects liquid into the cavity surrounded by upper shell 2, middle shell 3 and main shaft piston part 12, and the bearing 1 is soaked in the liquid for laser low temperature cleaning, the laser can also be irradiated from above to below, the upper side end surface of bearing 1 is processed, drive motor 7 drives motor shaft 15 to rotate, motor shaft 15 drives key 14 to rotate, key 14 drives the bearing 1 on the sleeve of main shaft upper end 11 to rotate, through the positioning bearing 1, the external cylindrical surface is cleaned, and the bearing 1 is convenient to assemble and disassemble, the processing efficiency is high, and the laser-induced cavitation technology is used for low temperature cleaning, so that the laser thermal effect can be reduced, surface damage caused by thermal effect can be avoided, and in the cleaning process, a small amount of water leakage from above is guided to guide plate 4 through main shaft water leakage baffle 13, so as to prevent the liquid from falling on drive motor 7 and affecting the normal work of the motor.
[0029] With reference to Figure 3The gap between the inner ring and the outer ring of the bearing 1 is tightly clamped with a positioning ring, the positioning ring is made of high damping material, which prevents the inner ring and the outer ring of the bearing 1 from slipping and ensures the uniform rotation of the outer ring of the bearing 1.
[0030] With reference to Figure 1 The diameter of the upper end 11 of the main shaft is smaller than the diameter of the piston part 12 of the main shaft, the upper end 11 of the main shaft is matched with the bearing 1, which ensures that the bearing 1 can be smoothly placed on the upper end 11 of the main shaft and facilitates the assembly of the middle shell 3.
[0031] With reference to Figure 1 And Figure 2 The upper shell 2 is made of transparent material, which is used for transmitting laser from the side, so that the laser can irradiate to the outer surface of the bearing 1, which is convenient for laser cleaning.
[0032] With reference to Figure 1 The middle shell 3 is provided with a water leakage window 5, the water leakage window 5 is communicated with the gap between the guide plate 4 and the middle shell 3, the guide plate 4 guides the falling liquid to the water leakage window 5 and flows out from the water leakage window 5.
[0033] The specific implementation is that: in use, the bearing 1 is tightly sleeved on the upper end 11 of the main shaft, the liquid is injected into the cavity surrounded by the upper shell 2, the middle shell 3 and the piston part 12 of the main shaft, the bearing 1 is soaked in the liquid for laser low-temperature cleaning, the laser can also irradiate from the top to the bottom to process the upper side surface of the bearing 1, the driving motor 7 drives the rotation of the motor shaft 15, the motor shaft 15 drives the rotation of the spline 14, the spline 14 drives the rotation of the bearing 1 sleeved on the upper end 11 of the main shaft, in the process of rotation and cleaning, the small amount of water leakage from the top is guided to the guide plate 4 through the water leakage baffle 13 of the main shaft, the guide plate 4 guides the falling liquid to the water leakage window 5 and flows out from the water leakage window 5, the positioning bearing 1 is cleaned, the outer circular surface is processed, the bearing 1 is convenient to assemble and disassemble, the processing efficiency is high, the laser-induced cavitation technology is used for low-temperature cleaning, the laser thermal effect can be reduced, and the surface damage caused by the thermal effect can be avoided.
[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only used to illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A bearing cryogenic laser cleaning fixture, comprising a spindle body, characterized in that, The main spindle body is provided with a main spindle upper end (11), a main spindle piston part (12) and a spline (14) from top to bottom. A bearing (1) is sleeved on the upper end of the main spindle upper end (11). A middle outer shell (3) is tightly sleeved on the outer side of the main spindle piston part (12). An upper outer shell (2) is provided on the upper end of the middle outer shell (3). A base outer shell (6) is provided on the lower end of the middle outer shell (3). A drive motor (7) is provided at the bottom inside the base outer shell (6). A motor shaft (15) is provided at the output end of the drive motor (7). The upper end of the motor shaft (15) is engaged with the spline (14). An annular guide plate (4) is provided at the lower end of the inner wall of the middle outer shell (3). The guide plate (4) is arranged obliquely downward from the outside to the inside. An annular main shaft water leakage baffle (13) is provided on the outside of the main shaft body and between the main shaft piston part (12) and the spline (14). The main shaft water leakage baffle (13) is arranged obliquely downward from the inside to the outside. The outer peripheral wall of the main shaft water leakage baffle (13) is above the upper wall surface of the guide plate (4).
2. The bearing low-temperature laser cleaning fixture according to claim 1, characterized in that: A positioning ring is tightly engaged in the gap between the inner and outer rings of the bearing (1), and the positioning ring is made of a high-damping material.
3. The bearing low-temperature laser cleaning fixture according to claim 1, characterized in that: The diameter of the upper end (11) of the main shaft is smaller than the diameter of the piston part (12) of the main shaft, and the upper end (11) of the main shaft is adapted to the bearing (1).
4. The bearing low-temperature laser cleaning fixture according to claim 1, characterized in that: The upper outer shell (2) is made of transparent material.
5. The bearing low-temperature laser cleaning fixture according to claim 4, characterized in that: A water leakage window (5) is provided on the middle outer shell (3), and the water leakage window (5) is connected to the gap between the guide plate (4) and the middle outer shell (3).