Oil injection capping machine for rubber roller bearing

By designing a rubber roller bearing oil-injection gland machine with synchronous loading and unloading functions, the problems of complex structure and cushioning in the existing technology are solved, and efficient synchronous loading and unloading of rubber roller bearings are realized, thereby improving the working efficiency and processing quality of the equipment.

CN222806467UActive Publication Date: 2025-04-29ANHUI ZHONGLAN INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421602379.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-29
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The existing rubber roller bearing oil injection capping machine has complex structure, cumbersome operation, and lacks linkage between materials, resulting in low working efficiency and prone to failure.

Method used

A rubber roller bearing oil injection and capping machine with synchronous loading and unloading functions is designed. Through the coordinated work of the indexing disc, feeding mechanism, oil injection mechanism and capping mechanism, the synchronous loading and unloading of rubber roller bearings and the capping operation of plastic covers are realized.

Benefits of technology

The synchronous loading and unloading of rubber roller bearings and the capping operation are realized, the equipment structure is simplified, the operation efficiency and processing quality are improved, and the failure rate is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a rubber roller bearing oil injection capping machine which comprises a machine table, an index plate installed on the machine table, a feeding mechanism, an oil injection mechanism and a capping mechanism, the feeding mechanism, the oil injection mechanism and the capping mechanism are arranged at the outer end of the index plate, the index plate is rotationally installed on the machine table, and a plurality of sets of positioning shafts used for positioning materials are annularly distributed on the outer side of the upper end of the index plate. The position changing table is installed on one side of the conveyor, the material taking clamping jaw piece is installed on one side of the position changing table, the discharging clamping jaw piece is installed on the other side of the position changing table, the feeding lifting air cylinder controls lifting adjustment of the position changing plate, and the position changing air cylinder controls the position changing plate to move, so that when the rubber roller bearing is placed on the material taking clamping jaw piece, the discharging clamping jaw piece takes out the rubber roller bearing machined in the corresponding station. When the material taking clamping jaw piece grabs the rubber roller bearing on the conveyor, the discharging clamping jaw piece loosens the rubber roller bearing and enables the rubber roller bearing to fall into the discharging sliding way, synchronous operation of loading and unloading the rubber roller bearing is achieved, high linkage is achieved, and the operation structure is simplified.
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Description

Technical Field

[0001] The utility model relates to the technical field of rubber roller production equipment, in particular to a rubber roller bearing oiling and capping machine. Background Art

[0002] During the processing of rubber roller bearings, it is necessary to add grease to the rubber roller bearings and press-fit the plastic covers to ensure the sliding properties of the rubber roller bearings. The current oil filling and capping machines require independent control components for bearing loading and unloading, and corresponding control components for plastic cover loading and pressing. Each control component corresponds to a corresponding workstation and is processed using a multi-step operation process. There is a lack of linkage between the disassembly and assembly of materials. The control components are arranged around the dividing plate, resulting in a relatively complex structure. The complex control structure leads to cumbersome operation, reduced work efficiency, and prone to failure. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a rubber roller bearing oil filling and capping machine with synchronous loading and unloading of rubber roller bearings, so as to solve the problems raised in the above background technology.

[0004] The technical problem solved by the utility model is achieved by adopting the following technical scheme: a rubber roller bearing oiling capping machine, comprising a machine platform, a dividing plate installed on the machine platform, and a feeding mechanism, an oiling mechanism and a capping mechanism arranged at the outer end of the dividing plate, wherein the dividing plate is rotatably installed on the machine platform, and a plurality of groups of positioning shafts for positioning materials are annularly distributed on the outer side of the upper end of the dividing plate, and the rubber roller bearing is placed on the positioning shaft;

[0005] The feeding mechanism comprises a conveyor for conveying rubber roller bearings, and a position changing platform arranged on one side of the conveyor, wherein a material taking clamping claw is installed on one side of the position changing platform, and a material discharging clamping claw is installed on the other side for taking and placing the rubber roller bearings;

[0006] The oil filling mechanism comprises an oil filling bracket, a filling head slidably mounted on the oil filling bracket, and an oil filling cylinder driving the filling head to move up and down, so as to fill grease to the rubber roller bearing on the indexing plate;

[0007] The capping mechanism comprises a vibration plate for conveying plastic caps, and a pressing assembly arranged on one side of the vibration plate for pressing the plastic caps onto the rubber roller bearing;

[0008] The machine platform is also provided with a discharge chute, and the upper opening of the discharge chute is arranged corresponding to the discharge clamping claw part, so that the processed materials can fall into the discharge chute and be guided into the turnover box through the discharge chute.

[0009] As a further solution of the utility model:

[0010] The lower end of the machine platform is provided with a dividing motor for driving a dividing plate to rotate, and the dividing plate has a 6-station structure.

[0011] As a further solution of the utility model:

[0012] The conveyor includes a conveyor frame and a conveyor belt arranged on the conveyor frame. The rubber roller bearings are placed on the conveyor belt in sequence and fed in sequence through the conveyor belt. The front end of the conveyor frame is provided with a limit baffle that presses against the rubber roller bearings to position the rubber roller bearings. A first photoelectric sensor for detecting the position of the rubber roller bearings is also installed at a corresponding position on the upper end of the conveyor frame.

[0013] As a further solution of the utility model:

[0014] The shifting platform includes a table plate and a first lifting member installed on the machine platform for controlling the lifting and lowering adjustment of the table plate, a shifting plate slidably installed on the table plate, and a shifting cylinder that drives the shifting plate to move. The first lifting member includes a loading lifting cylinder installed on the lower end of the machine platform and a first guide rod arranged on both sides of the lower end of the table plate. The machine platform is provided with a guide sleeve corresponding to the first guide rod. The table plate is slidably lifted and lowered on the guide sleeve by the first guide rod, and the lifting and lowering adjustment is controlled by the loading lifting cylinder; the shifting cylinder is installed on the table plate through a shifting frame, and the outer end of the output rod of the shifting cylinder is connected to the shifting plate through a connecting block. The shifting plate is slidably installed on the slide rail of the table plate, and a material picking clamping claw is installed on one side of the shifting plate, and a material unloading clamping claw is installed on the other side.

[0015] As a further solution of the utility model:

[0016] The material picking clamping claw component includes a material picking bracket installed on the displacement plate and a material picking clamping claw cylinder installed on the material picking bracket. The material picking clamping claw cylinder is a bidirectional double-rod cylinder. Clamping arms are symmetrically installed on both sides of the material picking clamping claw cylinder, and a clamping claw sleeve is installed through the clamping arm to clamp the rubber roller bearing on the conveyor; the unloading clamping claw component includes an unloading clamping claw cylinder installed on the side of the displacement plate away from the material picking bracket. The unloading clamping claw cylinder is a pneumatic finger cylinder. Clamping arms are rotatably installed on both sides of the outer end of the unloading clamping claw cylinder to grab the rubber roller bearing on the dividing plate.

[0017] As a further solution of the utility model:

[0018] A feeding slide is provided on one side of the vibration plate, and the outer end of the feeding slide is closed to limit the position of the plastic cover. A second photoelectric sensor for detecting whether the plastic cover is in place is provided on the feeding slide.

[0019] As a further solution of the utility model:

[0020] The pressing assembly includes a pressing frame, a pressing plate slidably mounted on the pressing frame, and a displacement cylinder driving the pressing plate to move. A lower pressing block is installed at the lower end of the pressing plate, and a lower pressing cylinder driving the lower pressing block to move up and down is provided on the pressing plate. A suction cup for adsorbing the plastic cover is provided on one side of the lower pressing block so that the plastic cover can be placed on the corresponding position of the rubber roller bearing through the suction cup.

[0021] As a further solution of the utility model:

[0022] The machine platform is provided with an upper ejector block which cooperates with the suction cup. The upper ejector block is used to eject the positioning shaft upward so that the rubber roller bearing on the positioning shaft cooperates with the suction cup and the plastic cover is placed on the upper end of the rubber roller bearing. The lower end of the machine platform is provided with an upper ejector cylinder which drives the upper ejector block to move up and down.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows: the position shifting platform is installed on one side of the conveyor, a material picking clamping claw is installed on one side of the position shifting platform, and a material discharging clamping claw is installed on the other side, the loading lifting cylinder controls the lifting and adjustment of the position shifting plate, and the position shifting cylinder controls the movement of the position shifting plate, so that when the material picking clamping claw places the rubber roller bearing, the material discharging clamping claw takes out the rubber roller bearing processed at the corresponding workstation, and when the material picking clamping claw grabs the rubber roller bearing on the conveyor, the material discharging clamping claw loosens the rubber roller bearing and drops it into the discharging slide, thereby realizing the synchronous operation of loading and unloading the rubber roller bearing, having high linkage, and simplifying the operation structure.

[0024] The pressing assembly includes a pressing plate and a displacement cylinder that drives the pressing plate to move. The pressing plate is provided with a pressing cylinder that drives the lower pressing block to move up and down. The displacement cylinder pushes the lower pressing block to move to the corresponding position at the upper end of the feeding slide. The pressing cylinder controls the lower pressing block to descend, and the suction cup sucks the plastic cover with negative pressure. While the suction cup absorbs the plastic cover on the feeding slide, the lower pressing block simultaneously presses the plastic cover just installed, so that it is on the bearing of the sealing rubber roller, realizing the synchronous operation of taking materials and pressing, and optimizing the operation structure. The device has a simple structure and strong linkage, which improves the processing efficiency and processing quality of the equipment and is easy to disassemble and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0026] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0027] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0028] Figure 4 It is a schematic diagram of the installation structure of the feeding mechanism and the capping mechanism of the utility model;

[0029] Markings in the figure: 1. Machine; 2. Indexing plate; 3. Feeding mechanism; 4. Oiling mechanism; 5. Capping mechanism; 11. Discharging slide; 12. Turnover box; 21. Positioning shaft; 22. Indexing motor; 31. Conveyor; 32. Positioning table; 33. Retrieving jaws; 34. Discharging jaws; 35. Limit baffle; 36. First photoelectric sensor; 41. Oiling bracket; 42. Filling head; 43. Oiling cylinder; 50. Feeding slide; 51. Vibrating plate; 52. Pressing frame; 53. Pressing plate; 54. Displacement cylinder; 55. Lower pressing block; 56. Lower pressing cylinder; 57. Suction cup; 58. Upper block; 59. Upper cylinder; 321. Table; 322. Displacement plate; 323. Displacement cylinder; 324. Material lifting cylinder; 325. First guide rod; 331. Material picking bracket; 332. Material picking jaw cylinder; 333. Jaw sleeve; 501. Second photoelectric sensor. DETAILED DESCRIPTION

[0030] In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below with reference to specific illustrations.

[0031] like Figures 1 to 4 As shown,

[0032] This embodiment provides a rubber roller bearing oiling and capping machine, comprising a machine platform 1, a dividing plate 2 mounted on the machine platform 1, and a feeding mechanism 3, an oiling mechanism 4 and a capping mechanism 5 arranged at the outer end of the dividing plate 2, wherein the dividing plate 2 is rotatably mounted on the machine platform 1, and a plurality of groups of positioning shafts 21 for positioning materials are annularly distributed on the outer side of the upper end of the dividing plate 2, and the rubber roller bearing is placed on the positioning shafts 21;

[0033] The feeding mechanism 3 includes a conveyor 31 for conveying rubber roller bearings, a position change platform 32 arranged on one side of the conveyor 31, a material taking clamping claw 33 is installed on one side of the position change platform 32, and a material discharging clamping claw 34 is installed on the other side for taking and placing rubber roller bearings;

[0034] The oil filling mechanism 4 includes an oil filling bracket 41, a filling head 42 slidably mounted on the oil filling bracket 41, and an oil filling cylinder 43 driving the filling head 42 to move up and down, so as to fill grease to the rubber roller bearing on the indexing plate 2;

[0035] The capping mechanism 5 comprises a vibration plate 51 for conveying plastic caps, and a pressing assembly arranged on one side of the vibration plate 51 for pressing the plastic caps onto the rubber roller bearing;

[0036] The machine platform 1 is also provided with a discharge chute 11 , and the upper opening of the discharge chute 11 is arranged corresponding to the discharge clamping claw 34 , so that the processed materials can fall into the discharge chute 11 and be guided into the turnover box 12 through the discharge chute 11 .

[0037] In this embodiment, a dividing motor 22 for driving the dividing plate 2 to rotate is disposed at the lower end of the machine platform 1, and the dividing plate 2 is a 6-station structure.

[0038] The conveyor 31 includes a conveyor 31 frame and a conveyor belt arranged on the conveyor 31 frame. The rubber roller bearings are placed on the conveyor belt in sequence and fed in sequence through the conveyor belt. The front end of the conveyor 31 frame is provided with a limit baffle 35 that resists the rubber roller bearings to position the rubber roller bearings. A first photoelectric sensor 36 for detecting whether the rubber roller bearings are in place is also installed at a corresponding position on the upper end of the conveyor 31 frame.

[0039] In this embodiment, the displacement table 32 includes a table plate 321 and a first lifting member installed on the machine 1 for controlling the lifting and lowering adjustment of the table plate 321, a displacement plate 322 slidably installed on the table plate 321, and a displacement cylinder 323 for driving the displacement plate 322 to move. The first lifting member includes a feeding lifting cylinder 324 installed at the lower end of the machine 1 and a first guide rod 325 arranged on both sides of the lower end of the table plate 321. The machine 1 is provided with a guide sleeve corresponding to the first guide rod 325. The table plate 321 is slidably lifted and lowered on the guide sleeve through the first guide rod 325, and the lifting and lowering adjustment is controlled by the feeding lifting cylinder 324; the displacement cylinder 323 is installed on the table plate 321 through a displacement frame, and the outer end of the output rod of the displacement cylinder 323 is connected to the displacement plate 322 through a connecting block. The displacement plate 322 is slidably installed on the slide rail of the table plate 321, and a material picking clamping claw 33 is installed on one side of the displacement plate 322, and a discharging clamping claw 34 is installed on the other side.

[0040] In this embodiment, the material picking clamping claw member 33 includes a material picking bracket 331 installed on the displacement plate 322 and a material picking clamping claw cylinder 332 installed on the material picking bracket 331. The material picking clamping claw cylinder 332 is a bidirectional double-rod cylinder. Clamping arms are symmetrically installed on both sides of the material picking clamping claw cylinder 332, and a clamping claw sleeve 333 is installed through the clamping arm to clamp the rubber roller bearing on the conveyor 31; the unloading clamping claw member 34 includes an unloading clamping claw cylinder installed on the side of the displacement plate 322 away from the material picking bracket 331. The unloading clamping claw cylinder is a pneumatic finger cylinder, and clamping arms are rotatably installed on both sides of the outer end of the unloading clamping claw cylinder to grab the rubber roller bearing on the dividing plate 2.

[0041] Specifically, the rubber roller bearings are sequentially conveyed by the conveyor 31, the rubber roller bearings are positioned by the limit baffle 35, and the first photoelectric sensor 36 detects the position of the rubber roller bearings;

[0042] When the equipment is started, the feeding lifting cylinder 324 controls the displacement plate 322 to rise, and the displacement cylinder 323 moves the displacement plate 322 to the corresponding position. The unloading clamping claw 34 grabs one station on the indexing plate 2 once to check whether there is material at the corresponding station to avoid subsequent material collision with the machine, and the feeding lifting cylinder 324 rises; at this time, the indexing plate 2 will rotate one station, and this station will then be placed with a rubber roller bearing by the material taking clamping claw 33;

[0043] The displacement cylinder 323 moves the displacement plate 322, so that the material-taking clamping claw 33 is located at the corresponding position on the upper end of the conveyor 31, and the material-loading lifting cylinder 324 controls the descent, and the material-taking clamping claw 33 is used to grab the rubber roller bearing at the corresponding position of the conveyor 31, and the material-loading lifting cylinder 324 rises; at this time, if there is a rubber roller bearing grabbed on the indexing plate 2 on the unloading clamping claw 34, the unloading clamping claw cylinder will control the clamping arm to open, so that the processed rubber roller bearing falls into the unloading slide 11;

[0044] Then the shifting cylinder 323 moves the shifting plate 322, so that the material picking clamping claw 33 is located at the upper end of the dividing plate 2, and the loading lifting cylinder 324 controls the shifting plate 322 to descend, so that the rubber roller bearing is installed on the positioning shaft 21 of the dividing plate 2; at this time, the unloading clamping claw 34 will grab the rubber roller bearing on the previous workstation, so that the material picking and unloading on the dividing plate 2 can be synchronized.

[0045] In this embodiment, a feeding slide 50 is provided on one side of the vibration plate 51, and the outer end of the feeding slide 50 is closed to limit the plastic cover. A second photoelectric sensor 501 is provided on the feeding slide 50 to detect whether the plastic cover is in place.

[0046] The pressing assembly includes a pressing frame 52, a pressing plate 53 slidably mounted on the pressing frame 52, and a displacement cylinder 54 for driving the pressing plate 53 to move. A pressing block 55 is mounted at the lower end of the pressing plate 53. The pressing plate 53 is provided with a pressing cylinder 56 for driving the pressing block 55 to move up and down. A suction cup 57 for adsorbing the plastic cover is provided on one side of the pressing block 55, so that the plastic cover can be placed on the corresponding position of the rubber roller bearing through the suction cup 57.

[0047] The machine 1 is provided with an upper ejector block 58 which cooperates with the suction cup 57. The upper ejector block 58 is used to eject the positioning shaft 21 upward so that the rubber roller bearing on the positioning shaft 21 cooperates with the suction cup 57 and the plastic cover is placed on the upper end of the rubber roller bearing. The lower end of the machine 1 is provided with an upper ejector cylinder 59 which drives the upper ejector block 58 to move up and down.

[0048] Specifically, the displacement cylinder 54 pushes the pressing block 55 to move to the corresponding position at the upper end of the feeding slide, the pressing cylinder 56 descends, the suction cup 57 sucks the plastic cover with negative pressure, and then the pressing cylinder 56 retracts, the displacement cylinder 54 retracts, the plastic cover sucked by the suction cup 57 reaches the capping station, the pressing cylinder 56 descends, the lifting cylinder 59 drives the positioning shaft 21 to lift, and the sucked plastic cover is placed on the rubber roller bearing, and then the pressing cylinder 56 rises, the displacement cylinder 54 extends, the suction cup 57 and the pressing block 55 move forward under the push of the displacement cylinder 54, and at this time the indexing part rotates one station, the suction cup 57 and the pressing block 55 reach the capping station, the pressing cylinder 56 descends, the suction cup 57 sucks the plastic cover, and the pressing block 55 presses the plastic cover just placed into the rubber roller bearing. The capped rubber roller bearing is rotated by the indexing plate 2 to reach the position of the unloading clamping claw 34 , and the unloading clamping claw 34 takes out the material, which slides out from the unloading chute 11 and falls into the material turnover box 12 .

[0049] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will also have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. It should be noted that in this article, if there are first and second relationship terms such as only used to distinguish one entity or operation from another entity or operation, it does not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or equipment. Without more constraints, an element defined by the phrase "comprising a..." does not exclude the existence of other identical elements in the process, method, article or apparatus comprising the element.

Claims

1. Rubber roller bearing oil filling and capping machine, characterized by: It includes a machine platform, a dividing plate installed on the machine platform, and a feeding mechanism, an oiling mechanism and a capping mechanism arranged at the outer end of the dividing plate. The dividing plate is rotatably installed on the machine platform, and a plurality of groups of positioning shafts for positioning materials are arranged in a circular manner on the outer side of the upper end of the dividing plate, and the rubber roller bearings are placed on the positioning shafts; The feeding mechanism comprises a conveyor for conveying rubber roller bearings, and a position changing platform arranged on one side of the conveyor, wherein a material taking clamping claw is installed on one side of the position changing platform, and a material discharging clamping claw is installed on the other side for taking and placing the rubber roller bearings; The oil filling mechanism comprises an oil filling bracket, a filling head slidably mounted on the oil filling bracket, and an oil filling cylinder driving the filling head to move up and down, so as to fill grease to the rubber roller bearing on the indexing plate; The capping mechanism comprises a vibration plate for conveying plastic caps, and a pressing assembly arranged on one side of the vibration plate for pressing the plastic caps onto the rubber roller bearing; The machine platform is also provided with a discharge chute, and the upper opening of the discharge chute is arranged corresponding to the discharge clamping claw part, so that the processed materials can fall into the discharge chute and be guided into the turnover box through the discharge chute.

2. The rubber roller bearing oil filling and capping machine according to claim 1, characterized in that: The lower end of the machine platform is provided with a dividing motor for driving a dividing plate to rotate, and the dividing plate has a 6-station structure.

3. The rubber roller bearing oil filling and capping machine according to claim 1, characterized in that: The conveyor includes a conveyor frame and a conveyor belt arranged on the conveyor frame. The rubber roller bearings are placed on the conveyor belt in sequence and fed in sequence through the conveyor belt. The front end of the conveyor frame is provided with a limit baffle that presses against the rubber roller bearings to position the rubber roller bearings. A first photoelectric sensor for detecting the position of the rubber roller bearings is also installed at a corresponding position on the upper end of the conveyor frame.

4. The rubber roller bearing oil filling and capping machine according to claim 3, characterized in that: The shifting platform includes a table plate and a first lifting member installed on the machine platform for controlling the lifting and lowering adjustment of the table plate, a shifting plate slidably installed on the table plate, and a shifting cylinder that drives the shifting plate to move. The first lifting member includes a loading lifting cylinder installed on the lower end of the machine platform and a first guide rod arranged on both sides of the lower end of the table plate. The machine platform is provided with a guide sleeve corresponding to the first guide rod. The table plate is slidably lifted and lowered on the guide sleeve by the first guide rod, and the lifting and lowering adjustment is controlled by the loading lifting cylinder; the shifting cylinder is installed on the table plate through a shifting frame, and the outer end of the output rod of the shifting cylinder is connected to the shifting plate through a connecting block. The shifting plate is slidably installed on the slide rail of the table plate, and a material picking clamping claw is installed on one side of the shifting plate, and a material unloading clamping claw is installed on the other side.

5. The rubber roller bearing oil filling and capping machine according to claim 4, characterized in that: The material picking clamping claw component includes a material picking bracket installed on the displacement plate and a material picking clamping claw cylinder installed on the material picking bracket. The material picking clamping claw cylinder is a bidirectional double-rod cylinder. Clamping arms are symmetrically installed on both sides of the material picking clamping claw cylinder, and a clamping claw sleeve is installed through the clamping arm to clamp the rubber roller bearing on the conveyor; the unloading clamping claw component includes an unloading clamping claw cylinder installed on the side of the displacement plate away from the material picking bracket. The unloading clamping claw cylinder is a pneumatic finger cylinder. Clamping arms are rotatably installed on both sides of the outer end of the unloading clamping claw cylinder to grab the rubber roller bearing on the dividing plate.

6. The rubber roller bearing oil filling and capping machine according to claim 1, characterized in that: A feeding slide is provided on one side of the vibration plate, and the outer end of the feeding slide is closed to limit the position of the plastic cover. A second photoelectric sensor for detecting whether the plastic cover is in place is provided on the feeding slide.

7. The rubber roller bearing oil filling and capping machine according to claim 1, characterized in that: The pressing assembly includes a pressing frame, a pressing plate slidably mounted on the pressing frame, and a displacement cylinder driving the pressing plate to move. A lower pressing block is installed at the lower end of the pressing plate, and a lower pressing cylinder driving the lower pressing block to move up and down is provided on the pressing plate. A suction cup for adsorbing the plastic cover is provided on one side of the lower pressing block so that the plastic cover can be placed on the corresponding position of the rubber roller bearing through the suction cup.

8. The rubber roller bearing oil filling and capping machine according to claim 7, characterized in that: The machine platform is provided with an upper ejector block which cooperates with the suction cup. The upper ejector block is used to eject the positioning shaft upward so that the rubber roller bearing on the positioning shaft cooperates with the suction cup and the plastic cover is placed on the upper end of the rubber roller bearing. The lower end of the machine platform is provided with an upper ejector cylinder which drives the upper ejector block to move up and down.