Oil mist spraying anti-rust device for bearing

By improving the oil mist rust prevention device, and utilizing the cylindrical conveyor chamber and staggered conveyor belt design, the problems of bearing surface damage and uneven oil mist were solved, achieving uniform oil spraying and demagnetization treatment of the bearing, thus improving the rust prevention effect and environmental cleanliness.

CN223747825UActive Publication Date: 2026-01-02NINGBO YIMING BEARING CO LTD
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Patent Information

Application Number
CN202423254084.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-01-02
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing bearing oil mist rust prevention devices are prone to damage to the bearing surface and uneven oil mist distribution during use, especially for bearings with exposed caps, which are at risk of damage.

Method used

The bearings inside the cylindrical conveyor compartment change position with rotation. Oil is sprayed through the circumferentially set oil inlets via oil spray pipes. Combined with the staggered distribution of the conveyor belt and the design of the separator, it ensures that the bearing surface is sprayed with oil evenly and prevents oil mist from escaping. A demagnetizing mechanism is also configured to prevent magnetic influence.

Benefits of technology

It achieves uniform oil spraying on the bearing surface, avoids damage, ensures the integrity of the cover, and provides non-magnetic bearings after demagnetization, thus improving the quality of rust prevention treatment and environmental cleanliness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an oil mist spraying rust prevention device for a bearing, which is improved on the basis of an existing feeding mechanism, an oil mist spraying mechanism and a blanking mechanism, that is, a conveying belt group for carrying the bearing is also arranged in an oil spraying chamber of the oil mist spraying mechanism; the conveying belt set comprises a first belt wheel, a middle belt wheel, a second belt wheel, a first conveying belt and a second conveying belt, the first belt wheel, the middle belt wheel, the second belt wheel, the first conveying belt and the second conveying belt are sequentially arranged at intervals from a material receiving opening of the oil spraying chamber to the material outlet side, the first conveying belt is wound around the first belt wheel and the middle belt wheel, and the second conveying belt is wound around the middle belt wheel and the second belt wheel. At least one of the first conveying belt and the second conveying belt is composed of at least two branch conveying belts which are arranged side by side at intervals, the branch conveying belts and the other one of the first conveying belt and the second conveying belt are distributed in a staggered mode, and a driver capable of driving the first conveying belt device and the second conveying belt device to run in a circuitous mode is further arranged. After the structure is adopted, not only can the oiling uniformity be ensured in the oil mist spraying process of the bearing, but also the surface of the bearing can be ensured not to be damaged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of oil mist anti-rust device's technical field, specifically refers to a kind of oil mist anti-rust device for bearing. BACKGROUND

[0002] Bearing is a common mechanical component, after its assembly is completed, before packaging, it needs to be sprayed (anti-rust oil) oil mist anti-rust treatment, for this, bearing oil mist anti-rust device is used, the device usually includes feeding mechanism, oil mist spraying mechanism and discharging mechanism, feeding mechanism can transport bearing to oil mist spraying mechanism, after being sprayed by oil mist spraying mechanism, bearing is transported to discharging mechanism and discharged. Wherein, when oil mist spraying mechanism sprays oil mist, the traditional way is to convey bearing by conveying belt, i.e. the bottom of bearing is placed on conveying belt, which can cause the bottom of bearing to be unable to spray oil mist, and make the bearing surface unevenly coated. For this, the applicant has designed a new oil mist anti-rust device, such as the structure disclosed in the document with Chinese patent authorized announcement No. CN21765519U, which uses cylindrical conveying cabin to replace conveying belt, and the bearing in the cylindrical conveying cabin can change its position constantly by following the rotation of the cylindrical conveying cabin, and the oil inlet is sprayed by the oil pipe arranged outside the cylindrical conveying cabin, so that the bearing surface inside the cylindrical conveying cabin can be evenly coated, to ensure the quality of anti-rust treatment of bearing surface.

[0003] However, it is found in use that, since bearing rotates with the rotation of cylindrical conveying cabin, it may damage the surface of bearing, and for some bearings with exposed cover, it may also damage the cover. Therefore, further improvement is needed for such device. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem in view of the present situation of prior art, and provides a bearing oil mist anti-rust device which can ensure the uniformity of bearing coating and the surface of bearing is not damaged.

[0005] The utility model discloses a bearing's oil spray rust prevention device that employs the technical scheme to solve the above technical problem, which comprises a feeding mechanism, an oil spray mechanism and a discharging mechanism connected in sequence, wherein the oil spray mechanism further comprises an oil spray chamber, a nozzle arranged in the oil spray chamber and an oil spray pipe connecting the nozzle and an oil source, the oil spray chamber is provided with a material receiving port capable of connecting the feeding mechanism and a discharge port capable of connecting the discharging mechanism, and characterized in that the oil spray chamber is further provided with a conveyor belt set for carrying bearings and capable of connecting the material receiving port and the discharge port at both ends, the conveyor belt set comprises a first pulley, an intermediate pulley, a second pulley and a first conveyor belt and a second conveyor belt arranged in sequence and spaced apart from each other from the material receiving port to the discharge port, the first conveyor belt is arranged around the first pulley and the intermediate pulley, the second conveyor belt is arranged around the intermediate pulley and the second pulley, at least one of the first conveyor belt and the second conveyor belt is composed of at least two branch conveyor belts arranged in parallel and spaced apart from each other, the branch conveyor belt is distributed in a staggered manner with the other conveyor belt of the first conveyor belt and the second conveyor belt, and a driver capable of driving the first conveyor belt and the second conveyor belt to operate in a detour manner is further arranged.

[0006] In the above scheme, further improvement is that two separation pieces are arranged above the conveyor belt set in the oil spray chamber, which separate the oil spray chamber above the conveyor belt set into a first chamber adjacent to the material receiving port, a second chamber adjacent to the discharge port and an intermediate chamber between the first chamber and the second chamber, and the wall surface of the oil spray chamber corresponding to the first chamber and the second chamber is provided with a suction port connected with a suction pipe. Such design can effectively prevent oil mist from escaping from the material receiving port and the discharge port, and ensure a clean working environment.

[0007] In order to facilitate assembly and observation, in the above improved scheme, further optimization is that the top wall of the intermediate chamber is designed as a detachable transparent cover.

[0008] In the above scheme, preferably, the first conveyor belt and the second conveyor belt are each composed of two branch conveyor belts arranged in parallel and spaced apart from each other, and each branch conveyor belt is designed as a linear structure, so that the contact area of each branch conveyor belt is as small as possible when carrying bearings, and the uniformity of overall oiling of the bearings is better.

[0009] In the above schemes, further improvement is that a demagnetization mechanism is further arranged between the feeding mechanism and the material receiving port to ensure that the sold bearings are non-magnetic.

[0010] Preferably, the degaussing mechanism comprises a degaussing table, a guide rail placed on the degaussing table and a pushing assembly located above the guide rail, two ends of the guide rail are connected with an outlet of the feeding mechanism and a receiving port of the oil injection chamber respectively, the pushing assembly can push the bearing on the feeding mechanism to the degaussing table through the guide rail and push the bearing whose degaussing is completed to the first conveying belt through the guide rail and the receiving port. Such degaussing mechanism has simple structure, is convenient to manufacture and has low cost.

[0011] Preferably, the pushing assembly can comprise a sliding rail arranged in parallel with the guide rail, a sliding seat located on the sliding rail and a first driving cylinder installed on the sliding seat and a second driving cylinder capable of moving the sliding seat along the sliding rail, the piston rod of the first driving cylinder extends up and down, and a push block is fixed on the piston rod of the first driving cylinder, a groove for accommodating the bearing is opened on the lower bottom surface of the push block, so that the pushing structure is simple and the action is sensitive.

[0012] Further optimization is that the surface of the push block facing the receiving port and the inner side of the groove for pushing the bearing are designed as V-shaped structure in linear contact with the bearing, which ensures the stability of the bearing movement and reduces the contact area of the two.

[0013] Compared with the prior art, since the conveying belt of the utility model is composed of the first conveying belt and the second conveying belt which are distributed in mutual staggered mode, when the bearing is placed on the first and second conveying belts for normal oiling and rust-proof treatment, the part of the bearing in contact with the first conveying belt can be exposed on the second conveying belt, so that the part can be sprayed with oil mist on the second conveying belt, thus the utility model can realize the purpose of uniform oiling of the whole bearing, and since the bearing is stationary relative to the first and second conveying belts during conveying, the phenomenon of damaging the surface of the bearing will not occur, especially when the first and second conveying belts are designed as two linear belts which are distributed in interval mode, the above-mentioned advantages are more obvious. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a three-dimensional schematic view of the utility model embodiment;

[0015] Figure 2 is a three-dimensional schematic view of the oil mist injection mechanism in Figure 1 ;

[0016] Figure 3 is a three-dimensional exploded schematic view of Figure 2 ;

[0017] Figure 4 is an enlarged three-dimensional schematic view of the feeding mechanism and the degaussing mechanism in Figure 1 ; DETAILED DESCRIPTION

[0018] The utility model will be described in further detail below with reference to the drawings.

[0019] In the following description of the embodiments, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "axial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, since the embodiments disclosed in the utility model can be arranged in different directions, so these directional terms are only as an illustration and should not be regarded as a limitation, such as "upper", "lower" are not necessarily limited to the direction opposite or consistent with the direction of gravity. In addition, the features defined as "first", "second" can be explicitly or implicitly included one or more features.

[0020] As Figure 1 shown, the oil mist spraying anti-rust device of the bearing is sequentially provided with a feeding mechanism 1, an oil mist spraying mechanism 2 and a discharging mechanism 3 from right to left. The feeding mechanism 1 is used to send the bearing to be treated to the oil mist spraying mechanism 2, and it comprises a first rack 11 and a first conveying belt set arranged on the first rack, and the first conveying belt set comprises a first main conveying wheel 12, a first slave conveying wheel 13, a first conveying belt 14 arranged around the first main and slave conveying wheels and a first motor (not shown in the figure) driving the first main conveying wheel to rotate, and the first conveying belt 14 can convey the bearing to the oil mist spraying mechanism 2 when it is running. The discharging mechanism 3 is used to convey the bearing treated by the oil mist spraying to the workbench 4, and it comprises a second rack 30, a discharging track 31 connecting the discharge port 212 of the following oil spraying chamber 21 and a second conveying belt set connecting the discharging track, and the second conveying belt set comprises a second main conveying wheel 32, a second slave conveying wheel 33, a second conveying belt 34 arranged around the second main and slave conveying wheels and a second motor (not shown in the figure) driving the second main conveying wheel to rotate, and the outlet end of the discharging track 31 faces the second conveying belt 34, and a discharging block 36 driven by a discharging cylinder 35 is further arranged, and the discharging block 36 can push the bearing sprayed with oil mist on the second conveying belt 34 to the workbench 4, and the operator can perform the packaging operation of the bearing on the workbench 4. Since the above-mentioned feeding mechanism 1 and discharging mechanism 3 can adopt the existing technology, they will not be described in detail here.

[0021] In the embodiment, the main improvement is in the oil mist spraying mechanism 2, please refer to Figure 2 and Figure 3It comprises an oil injection chamber 21, a nozzle 22, and an oil injection pipe 23 connecting the nozzle and an oil source. The oil injection chamber 21 is provided with a material receiving port 211 adapted to the material feeding mechanism 1 and a material discharging port 212 adapted to the material discharging track 31 of the material discharging mechanism 3. The nozzle 22 can be provided with a plurality of nozzles which are arranged at intervals on the oil injection chamber 21. The oil injection chamber 21 is further provided with a conveyor belt set 24 for bearing the shaft. The two ends of the conveyor belt set 24 are adapted to the material receiving port 211 and the material discharging port 212 respectively, so as to convey the shaft from the material receiving port to the material discharging port and into the material discharging track 31. Specifically, in the embodiment, the conveyor belt set 24 comprises a first pulley 241, an intermediate pulley 242, a second pulley 243, a first conveyor belt 244 and a second conveyor belt 245 which are arranged at intervals from the material receiving port 211 to the material discharging port 212. In the drawings, the first conveyor belt 244 and the second conveyor belt 245 are each composed of two parallel and spaced apart sub-conveyor belts A. Each sub-conveyor belt A is designed in a linear structure and arranged in a staggered manner. In this way, the linear sub-conveyor belt A can ensure that the contact area between the sub-conveyor belt A and the shaft is as small as possible, and the contact position between the sub-conveyor belt A and the shaft is different along the conveying direction, so as to ensure that the bottom of the shaft is fully sprayed with oil mist. For such an arrangement, the first pulley 241 and the second pulley 243 can each be composed of two coaxially arranged pulleys or be an integral piece of two pulleys. Similarly, the intermediate pulley 242 can be composed of four coaxially arranged pulleys or be an integral piece of four pulleys. The first conveyor belt 244 is wound around the first pulley 241 and the intermediate pulley 242, and the second conveyor belt 245 is wound around the intermediate pulley 242 and the second pulley 243. A driver 246 is further arranged to drive the first and second conveyor belts to rotate.

[0022] In order to prevent the oil mist in the oil injection chamber 21 from escaping from the material receiving port 211 and the material discharging port 212, two partition plates 25 are arranged above the conveyor belt set 24 in the oil injection chamber 21. The two partition plates 25 divide the oil injection chamber above the conveyor belt set 24 into a first chamber adjacent to the material receiving port 211, a second chamber adjacent to the material discharging port 212, and an intermediate chamber between the first and second chambers. The wall surface of the oil injection chamber corresponding to the first and second chambers is provided with an air suction port connected to the air suction pipe 5. In order to facilitate assembly, the top wall of the intermediate chamber is designed as a detachable transparent cover 213. In this way, the working condition in the oil injection chamber can be observed in time through the transparent cover 213 during use. In addition, a curtain 26 is arranged at the material receiving port 211 and the material discharging port 212 to further prevent the oil mist from escaping.

[0023] Since the bearing after the oil spray will be the final packaging process, in order to let the product bearing completely no magnetic, the embodiment also includes demagnetization mechanism 6 between the feeding mechanism 1 and the receiving port 211, for details, please see Figure 4 The demagnetization mechanism includes demagnetization table 61, guide rail 62 placed on the demagnetization table and push material assembly 63 above the guide rail, wherein the demagnetization table 61 is provided with demagnetization element for eliminating residual magnetism on the bearing, the demagnetization element is prior art, and the specific structure will not be expanded. The two ends of the guide rail 62 are connected with the outlet of the feeding mechanism 1 and the receiving port 211 of the oil injection chamber 21 respectively. The push material assembly 63 includes slide rail 631 arranged in parallel with the guide rail, slide seat 632 sliding on the slide rail, first driving cylinder 633 installed on the slide seat and second driving cylinder 634 for moving the slide seat 632 along the slide rail 631, the first and second driving cylinders can be hydraulic cylinders or air cylinders, and air cylinders are used in the figure. The piston rod of the first driving cylinder 633 extends up and down to make up and down extension action, and the push block 635 is fixed on the piston rod of the first driving cylinder, and the recess 6351 for accommodating the bearing is opened on the lower bottom surface of the push block 635, so as to push the bearing on the feeding mechanism to the guide rail 62 above the demagnetization table, and the bearing on the demagnetization table after demagnetization is pushed to the first conveying belt 244 through the guide rail 62 and the receiving port 211. In order to be more stable during pushing and reduce damage to the surface of the bearing, the surface of the push block 635 towards the receiving port and the inner side surface of the recess for pushing the bearing are designed as V-shaped structure 6352 in linear contact with the bearing.

[0024] In operation, with the running of the first conveying belt 14, the bearing to be sprayed with oil mist is continuously fed; then the first driving cylinder 633 is actuated, and the piston rod thereof is lowered, at this time, the groove on the push block 635 is just in correspondence with the bearing on the first conveying belt at the outlet of the feeding mechanism, so that the bearing at this position is accommodated in the groove; then the second driving cylinder 634 is actuated, and the piston rod thereof pushes the sliding seat 632 to move towards the oil spraying chamber 21, thereby driving the first driving cylinder 633, the push block 635 and the bearing in the groove to move together, so that the bearing in the groove is slid along the guide rail 62 to the guide rail above the demagnetization table 61 to be demagnetized, at the same time, the surface (i.e. the front surface) of the push block 635 facing the receiving port pushes the bearing that has been demagnetized on the demagnetization table to the receiving port 211 and then pushes it into the first conveying belt 244; with the actuation of the driver, the first and second conveying belts are continuously running, and the bearing is sequentially conveyed by the first and second conveying belts to the discharge port 212; in this process, the rust-proof oil is sent to the nozzles 22 through the oil spraying pipe 23, and the oil mist required by the bearing is sprayed by the nozzles 22 according to the prior art, and during the conveying in the oil spraying chamber, when the bearing is conveyed from the first conveying belt 244 to the second conveying belt 245, the part of the bearing that is in contact with the first conveying belt 244 can be exposed to the second conveying belt 245, so that the part of the bearing that is shielded by the first conveying belt 244 can be exposed on the second conveying belt 245 and be sprayed with oil mist, thus the embodiment can achieve the purpose of uniformly spraying the oil mist on the whole bearing, and since the bearing is stationary relative to the conveying belts at this time, the phenomenon of damaging the surface of the bearing will not occur. After the spraying of the oil mist is completed, the bearing falls from the discharge port 212 of the oil spraying chamber and the falling rail 31 to the second conveying belt 34, and under the running of the second conveying belt 34, the bearing is conveyed to the discharging block 36, and the bearing on the second conveying belt 34 is pushed by the discharging cylinder 35 to the workbench 4 for the next packaging process.

[0025] In addition to the above embodiment, one of the first and second conveying belts can also adopt a common belt structure, and the other conveying belt of the first and second conveying belts needs to adopt a plurality of parallel linear branch conveying belts. Such a structure can also achieve the above purpose. In addition, the above driver is not limited to a motor and a gear reducer, but can also be composed of other power sources. That is, such a scheme also belongs to the protection scope of the present utility model.

Claims

1. An oil mist spraying anti-rust device for bearings, comprising a feeding mechanism (1), an oil mist spraying mechanism (2) and a discharging mechanism (3) connected in sequence, wherein the oil mist spraying mechanism (2) further comprises an oil spraying chamber (21), a nozzle (22) arranged in the oil spraying chamber, and an oil spraying pipe (23) connecting the nozzle and an oil source, and the oil spraying chamber is provided with a receiving port (211) capable of connecting the feeding mechanism (1) and a discharging port (212) capable of connecting the discharging mechanism (3), characterized in that: The oil injection chamber is also provided with a conveying belt set (24) for carrying the bearing and connecting the receiving port and the discharging port, which comprises a first belt wheel (241), an intermediate belt wheel (242), a second belt wheel (243), a first conveying belt (244) and a second conveying belt (245) arranged in sequence from the receiving port to the discharging port, the first conveying belt is arranged around the first belt wheel and the intermediate belt wheel, and the second conveying belt is arranged around the intermediate belt wheel and the second belt wheel, at least one of the first conveying belt and the second conveying belt is composed of at least two sub-conveying belts (A) arranged in parallel and spaced apart, the sub-conveying belts are distributed in a staggered manner with the other one of the first conveying belt and the second conveying belt, and a driver (246) is arranged to drive the first and second conveying belts to operate in a meandering manner.

2. The oil mist injection rust prevention device for a bearing according to claim 1, characterized by: The oil injection chamber (21) is also provided with two partition plates (25) above the conveying belt set (24), which divide the oil injection chamber above the conveying belt set into a first chamber adjacent to the receiving port, a second chamber adjacent to the discharging port, and an intermediate chamber between the first chamber and the second chamber, and the wall surface of the oil injection chamber corresponding to the first chamber and the second chamber is provided with an air extraction port connected with the air extraction pipe (5).

3. The oil mist lubrication rust prevention device for a bearing according to claim 2, characterized by: The top wall of the intermediate chamber is designed as a detachable transparent cover (213).

4. The oil mist lubrication rust preventive device for a bearing according to claim 1, characterized by: The first conveying belt and the second conveying belt are both composed of two sub-conveying belts (A) arranged in parallel and spaced apart, and each sub-conveying belt (A) is designed as a linear structure.

5. The oil mist lubrication anti-rust device of a bearing according to claim 1 or 2 or 3 or 4, characterized in that: A demagnetization mechanism (6) is arranged between the feeding mechanism and the receiving port.

6. The oil mist lubrication rust prevention device for a bearing according to claim 5, characterized by: The demagnetization mechanism comprises a demagnetization table (61), a guide rail (62) arranged on the demagnetization table, and a pushing assembly (63) arranged above the guide rail, two ends of the guide rail (62) are connected with the outlet of the feeding mechanism (1) and the receiving port (211) of the oil injection chamber respectively, the pushing assembly (63) can push the bearing on the feeding mechanism (1) to the demagnetization table (61) through the guide rail (62), and can push the bearing after demagnetization to the first conveying belt (244) through the guide rail (62) and the receiving port (211).

7. The oil mist lubrication rust prevention device for a bearing according to claim 6, characterized by: The pushing assembly (63) comprises a sliding rail (631) arranged in parallel with the guide rail, a sliding seat (632) sliding on the sliding rail, a first driving cylinder (633) mounted on the sliding seat, and a second driving cylinder (634) capable of moving the sliding seat along the sliding rail, the piston rod of the first driving cylinder (633) extends up and down, and a push block (635) is fixed on the piston rod of the first driving cylinder (633), a groove (6351) for accommodating the bearing is formed on the lower bottom surface of the push block.

8. The oil mist lubrication rust prevention device for a bearing according to claim 7, characterized by: The surface of the push block (635) facing the receiving port (211) and the inner side of the groove for pushing the bearing are designed as V-shaped structures (6352) in linear contact with the bearing.