High-precision bearing roller spherical surface grinding device

Abstract

The utility model discloses a high-precision bearing roller spherical surface grinding device which comprises a bottom plate, a circulating track is fixedly connected to one end above the bottom plate, a conveying belt is obliquely arranged at one end of the circulating track, a conveying track is arranged below the obliquely higher end of the conveying belt, and a fixing disc is arranged at the end, away from the conveying belt, of the conveying track in a mutually attached mode. A rotating disc is attached to the other side face of the fixed disc, and a driving motor is arranged on the back face of the rotating disc; a first semicircular circular ring groove, a second semicircular circular ring groove and a third semicircular circular ring groove are formed in the face, attached to the fixed disc, of the rotating disc, and the radiuses of the three sets of sliding grooves are sequentially reduced. The phenomenon that the spherical surface of the roller is polished unevenly or a special-shaped ball is ground due to the fact that the pressure of the fixed circular ring groove on the spherical roller is too large is effectively reduced, and the qualified rate of products is increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of spherical grinding, and in particular relates to a high-precision bearing roller spherical grinding device. Background Art

[0002] Bearing rollers are an important component of rolling bearings and are often used to support and carry loads between rotating shafts or stationary parts. The design and processing accuracy of bearing rollers directly affect the performance, service life and reliability of bearings. The quality of spherical grinding of bearing rollers determines the performance and service life of bearings. Spherical bearing rollers are generally made of cylindrical metal using cold heading technology. The surface of the manufactured spherical rollers will have burrs and need to be ground by grinding equipment.

[0003] Among the existing public patents, the Chinese patent with application number CN212145958U is a vertical steel ball polishing machine with uniform grinding. The upper grinding disc and the lower grinding disc are provided with several grooves, and the lower grinding disc is provided with a discharge port, which is connected to an inclined guide plate. The lower end of the guide plate is also connected to a circulation mechanism. The circulation mechanism includes a frame, a fixed plate, several moving blocks and a driving unit for driving the moving blocks to move cyclically. The frame is in an inclined state, the fixed plate is fixedly connected to the right side of the frame, and the fixed plate is also inclined with the frame. The moving block and the driving unit are on the left side of the fixed plate, the inclined lower end of the fixed plate is connected to the guide plate, and the upper end of the fixed plate is connected to the feed tray. The feed tray is also provided with a cleaning mechanism, and the fixed plate is also provided with a blocking unit.

[0004] However, there are some problems with the existing technology: the above-mentioned grinding device uses a number of grooves with the same radius, and drives the roller to rotate and roll with the inner wall of the groove by a rotating disk for grinding. The surface of the preliminary roller obtained by the currently commonly used cold heading technology has a higher convex part. When grinding in a grinding disk with a fixed groove radius, the roller may be stuck in the groove and not rotate or rotate insufficiently, resulting in the grinding of irregular-shaped balls or unqualified spherical roundness. Therefore, we propose a high-precision bearing roller spherical grinding device. Utility Model Content

[0005] In response to the problems existing in the prior art, the purpose of the utility model is to provide a high-precision bearing roller spherical grinding device, which grinds the bearing spherical roller multiple times in the order of the annular groove radius from large to small through the annular grooves of different sizes in the fixed plate and the rotating plate, effectively reducing the phenomenon of uneven grinding or grinding out special-shaped balls due to excessive pressure of the fixed annular groove on the spherical roller, thereby improving the product qualification rate.

[0006] The utility model is realized as follows: a high-precision bearing roller spherical grinding device comprises a base plate, one end of the base plate is fixedly connected to a circulating track, one end of the circulating track is obliquely provided with a conveyor belt, the conveyor belt is fixedly connected to the base plate, a conveying track is provided below the inclined higher end of the conveyor belt, an end of the conveying track away from the conveyor belt is provided with a fixed disk in contact with each other, one side of the fixed disk is fixedly connected to the base plate, the other side of the fixed disk is provided with a rotating disk in contact with each other, a driving motor is provided on the back of the rotating disk, and the output shaft of the driving motor is fixedly connected to the center of the rotating disk;

[0007] A first semicircular annular groove, a second semicircular annular groove, and a third semicircular annular groove are provided on the surface where the rotating disk and the fixed disk are in contact, and the radii of the three groups of sliding grooves decrease successively. A first semi-annular groove, a second semi-annular groove, and a third semi-annular groove are correspondingly provided on the surface where the fixed disk and the rotating disk are in contact.

[0008] Optionally, a guide plate is fixedly connected to the lower side of the fixed plate away from the conveying track, and a discharge pipe is fixedly connected to the outer side of the guide plate.

[0009] Optionally, the conveying track includes a horizontal track and an inclined track, and three circular rolling grooves with different radii are provided on the horizontal track and the inclined track.

[0010] Optionally, two groups of telescopic rods are provided inside the horizontal track, and the sides of the telescopic rods are fixedly connected to the first connecting rods.

[0011] Optionally, a spring is fixedly connected to the bottom of the telescopic rod, and the interior of the horizontal track is elastically connected to the telescopic rod via the spring.

[0012] Optionally, the first connecting rod is rotatably connected to a second connecting rod at one end away from the first connecting rod, the center of the second connecting rod is rotatably connected to the inside of the inclined track, and the second connecting rod is fixedly connected to a baffle at one end away from the first connecting rod.

[0013] Optionally, through grooves are symmetrically provided on both sides of the circular rolling groove, and the baffle is connected to the through grooves through-through.

[0014] Optionally, the telescopic rod is arranged with an inclined surface at one end away from the spring, and the inclined surface faces the inclined track.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The spherical rollers of the bearings are ground multiple times in the order of the annular groove radius from large to small through the annular grooves of different sizes in the fixed disk and the rotating disk, which effectively reduces the phenomenon of uneven grinding or grinding out of special-shaped balls due to excessive pressure of the fixed radius annular groove on the spherical roller, thereby improving the qualified rate of the products.

[0017] 2. It also prevents too many spherical rollers from entering the annular groove, causing congestion in the annular groove and preventing the spherical rollers from fully rotating and rolling in the annular groove. Through the combination of the telescopic rod and the baffle, intermittent feeding of the annular groove is achieved, effectively reducing congestion in the annular groove.

[0018] 3. The spherical roller can be automatically circulated and ground multiple times through the circulation mechanism, which improves the grinding accuracy and the efficiency of roller grinding.

[0019] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram provided by the utility model;

[0021] Figure 2 This is a schematic diagram of the rotating disk provided by the utility model;

[0022] Figure 3 This is a schematic diagram of the fixed disk provided by the utility model;

[0023] Figure 4 This is a schematic diagram of the discharge pipe provided by the utility model;

[0024] Figure 5 This is a schematic diagram of the conveying track provided by the utility model;

[0025] Figure 6 It is a schematic diagram of the horizontal track provided by the utility model;

[0026] Figure 7 It is a schematic diagram of the interior of the conveying track provided by the utility model.

[0027] In the figure: 1. Base plate; 2. Driving motor; 3. Rotating disk; 301. First circular groove; 302. Second circular groove; 303. Third circular groove; 4. Fixed disk; 401. First semi-circular groove; 402. Second semi-circular groove; 403. Third semi-circular groove; 404. Guide plate; 5. Conveying track; 510. Horizontal track; 511. Telescopic rod; 512. Spring; 513. First connecting rod; 520. Inclined track; 521. Through groove; 522. Second connecting rod; 523. Baffle; 6. Discharge pipe; 7. Circulating track; 8. Conveyor belt; 9. Circular rolling groove. DETAILED DESCRIPTION

[0028] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0029] like Figures 1 to 7 As shown, a high-precision bearing roller spherical grinding device provided by an embodiment of the present invention includes a base plate 1, one end of the upper end of the base plate 1 is fixedly connected to a circulating track 7, one end of the circulating track 7 is inclinedly provided with a conveyor belt 8, the conveyor belt 8 is fixedly connected to the base plate 1, and a conveying track 5 is provided below the inclined higher end of the conveyor belt 8, and the conveying track 5 is away from the conveyor belt 8. A fixed disk 4 is provided at one end of the conveying track 5 that is in contact with each other, one side of the fixed disk 4 is fixedly connected to the base plate 1, and a rotating disk 3 is provided on the other side of the fixed disk 4 that is in contact with each other, a driving motor 2 is provided on the back of the rotating disk 3, and the output shaft of the driving motor 2 is fixedly connected to the center of the rotating disk 3; a semicircular first annular groove 301, a second annular groove 302, and a third annular groove 303 are provided on the surface in contact with the fixed disk 4, and the radius of the three groups of sliding grooves decreases successively, and a first semi-annular groove 401, a second semi-annular groove 402, and a third semi-annular groove 403 are correspondingly provided on the surface in contact with the fixed disk 4.

[0030] like Figures 1 to 4 As shown, the spherical roller after cold heading enters the conveyor belt 8 through the track next to the circulating track 7, enters the conveying track 5 through the conveyor belt 8, and is then sent to the entrance of the first annular groove 301 on the fixed disk 4. The driving motor 2 drives the rotating disk 3 to rotate. The spherical roller enters the closed first annular groove 301 under the action of the rotating disk 3, and rotates while sliding relative to the first annular groove 301. When it slides to the exit, it enters the discharge pipe 6 on the right through the guide plate 404, enters the circulating track 7 and reaches the conveyor belt 8 again to be sent to the second annular groove 302 for a second grinding. After the same steps, the spherical roller enters the third annular groove 303 for grinding, and is finally discharged from the discharge pipe 6 on the left.

[0031] Furthermore, a guide plate 404 is fixedly connected to the lower side of the fixed plate 4 away from the conveying track 5, and a discharge pipe 6 is fixedly connected to the outer side of the guide plate 404;

[0032] like Figures 3 and 4 As shown, the bottoms of the guide plates 404 on both sides of each annular groove are inclined inwards. When the spherical roller comes out of the annular groove, it is separated from the annular groove by the action of the guide plates 404 and enters the discharge pipe 6.

[0033] Furthermore, the conveying track 5 includes a horizontal track 510 and an inclined track 520 , and three circular rolling grooves 9 with different radii are opened on the horizontal track 510 and the inclined track 520 ;

[0034] like Figures 5 and 6 As shown, when the spherical roller is ground for the first time, it is transported to the circular rolling groove 9 with the largest radius via the conveyor belt 8 for transmission and grinding. After grinding, the spherical roller enters the circular rolling groove 9 corresponding to the second annular groove 302 via the circulating track 7 and the conveyor belt 8, and enters the circular rolling groove 9 with the smallest radius for the last time for transmission and subsequent grinding process.

[0035] Furthermore, two sets of telescopic rods 511 are provided inside the horizontal track 510, and a first connecting rod 513 is fixedly connected to the side of the telescopic rod 511; a spring 512 is fixedly connected to the bottom of the telescopic rod 511, and the interior of the horizontal track 510 is elastically connected to the telescopic rod 511 through the spring 512; the first connecting rod 513 is rotatably connected to the second connecting rod 522 at one end away from the first connecting rod 513, and the center of the second connecting rod 522 is rotatably connected to the interior of the inclined track 520, and the end of the second connecting rod 522 away from the first connecting rod 513 is fixedly connected to a baffle 523; through grooves 521 are symmetrically opened on both sides of the circular rolling groove 9, and the baffle 523 is connected to the through groove 521 through the baffle 523;

[0036] like Figures 6 and 7 As shown, when the spherical roller enters the horizontal track 510 via the inclined track 520, due to the action of gravity, the spherical roller will roll directly to the position where the rotating disk 3 is in contact. At this time, the spherical roller will squeeze the telescopic rod 511 to both sides and contract, thereby driving the first connecting rod 513 to move. Under the action of the first connecting rod 513, the two sets of baffles 523 pass through the through groove 521 and move towards the middle to block the spherical rollers transmitted subsequently, thereby achieving the effect of intermittent feeding, avoiding many spherical rollers from entering the annular groove and causing congestion of the rotating disk 3, and the spherical rollers cannot rotate fully. After the spherical roller enters the annular groove, the telescopic rod 511 bounces up under the action of the spring 512, and the baffle 523 also returns to the inside of the horizontal track 510, and the channel is opened to continue the transmission and feeding.

[0037] Furthermore, the end of the telescopic rod 511 away from the spring 512 is arranged in an inclined surface, and the inclined surface faces the inclined track 520;

[0038] like Figures 6 and 7 As shown, the telescopic rod 511 is arranged with an inclined surface at one end away from the spring 512, and the inclined surface faces the inclined track 520. When the spherical roller contacts the telescopic rod 511, it is convenient to push the telescopic rod 511 into the horizontal track 510, avoiding the situation where the round rod will get stuck with the spherical roller.

[0039] Examples of the present application:

[0040] The operator sends the spherical roller to be ground into the circular rolling groove 9 with the largest radius in the conveyor track 5 through the conveyor belt 8. The first spherical roller contacts the inclined surface at one end of the telescopic rod 511. The telescopic rod 511 is retracted by the spring 512. At the same time, the telescopic rod 511 drives the first connecting rod 513 and the second connecting rod 522 to make the baffle 523 in the inclined track 520 pass through the through groove 521 and move closer to the middle to block the channel, thereby blocking the subsequent rollers. After the rotating disk 3 brings the first roller into the first annular groove 301, the telescopic rod 511 extends into the channel under the action of the spring 512, and the baffle 523 moves toward both sides, the channel is opened, and the blocked roller continues to roll toward the rotating disk 3. After the first roller passes through the first annular groove 301 and the first semi-annular groove 401 and is rolled and rotated for grinding, it enters the corresponding discharge pipe 6 from the guide plate 404 and enters the corresponding channel on the conveyor belt 8 via the circulating track 7 and enters the circular rolling groove 9 corresponding to the second annular groove 302 to repeat the above process. The roller is ground multiple times, which effectively reduces the phenomenon that the fixed annular groove exerts excessive pressure on the spherical roller, resulting in uneven grinding of the roller spherical surface or grinding out of irregular-shaped balls, thereby improving the yield rate of roller spherical surface grinding.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision bearing roller spherical grinding device, comprising a base plate (1), characterized in that: A circulating track (7) is fixedly connected to one end of the bottom plate (1), a conveyor belt (8) is obliquely provided at one end of the circulating track (7), the conveyor belt (8) is fixedly connected to the bottom plate (1), a conveying track (5) is provided below the higher inclined end of the conveyor belt (8), a fixed disk (4) is provided at one end of the conveying track (5) away from the conveyor belt (8), one side of the fixed disk (4) is fixedly connected to the bottom plate (1), and a rotating disk (3) is provided at the other side of the fixed disk (4), a driving motor (2) is provided on the back of the rotating disk (3), and an output shaft of the driving motor (2) is fixedly connected to the center of the rotating disk (3); A first semicircular annular groove (301), a second semicircular annular groove (302), and a third semicircular annular groove (303) are provided on the surfaces where the rotating disk (3) and the fixed disk (4) are in contact, and the radii of the three groups of sliding grooves decrease in sequence. A first semicircular groove (401), a second semicircular groove (402), and a third semicircular groove (403) are correspondingly provided on the surfaces where the fixed disk (4) and the rotating disk (3) are in contact.

2. A high-precision bearing roller spherical grinding device according to claim 1, characterized in that: A guide plate (404) is fixedly connected to the lower side of the fixed disk (4) away from the conveying track (5), and a discharge pipe (6) is fixedly connected to the outer side of the guide plate (404).

3. The high-precision bearing roller spherical surface grinding device according to claim 2, characterized in that: The conveying track (5) comprises a horizontal track (510) and an inclined track (520), and three circular rolling grooves (9) with different radii are provided on the horizontal track (510) and the inclined track (520).

4. A high-precision bearing roller spherical grinding device according to claim 3, characterized in that: Two groups of telescopic rods (511) are provided inside the horizontal track (510), and the sides of the telescopic rods (511) are fixedly connected to the first connecting rods (513).

5. The high-precision bearing roller spherical grinding device according to claim 4, characterized in that: The bottom of the telescopic rod (511) is fixedly connected with a spring (512), and the interior of the horizontal track (510) is elastically connected to the telescopic rod (511) via the spring (512).

6. The high-precision bearing roller spherical surface grinding device according to claim 5, characterized in that: The first connecting rod (513) is rotatably connected to the second connecting rod (522) at one end away from the first connecting rod (513), the center of the second connecting rod (522) is rotatably connected to the inside of the inclined track (520), and the second connecting rod (522) is fixedly connected to the baffle (523) at one end away from the first connecting rod (513).

7. The high-precision bearing roller spherical grinding device according to claim 6, characterized in that: Through grooves (521) are symmetrically formed on both sides of the circular rolling groove (9), and the baffle (523) is connected to the through grooves (521) through and through.

8. The high-precision bearing roller spherical grinding device according to claim 7, characterized in that: One end of the telescopic rod (511) away from the spring (512) is arranged in an inclined surface, and the inclined surface faces the inclined track (520).

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