A feeding device for a bearing lathe

Abstract

The present invention discloses a feeding device for a bearing lathe, which relates to the technical field of bearing processing feeding. The technical solution is as follows: It includes a bearing processing device, on one side of which a bearing chuck is fixedly provided, and an automatic feeding mechanism is arranged on one side of the bearing processing device; the automatic feeding mechanism includes a fixed frame, one side of the fixed frame is fixedly connected to the bearing processing device, and two power components are arranged on the top of the fixed frame. The beneficial effect of a feeding device for a bearing lathe is that: at the moment when the limiting block in the automatic feeding mechanism disengages from the movable plate, the elastic force of the second spring causes the trapezoidal block to quickly withdraw from the through groove through the movable plate, so that the pushing block loses its restriction. The elongated first spring instantaneously pulls the connecting plate one through the elastic force, causing the pushing block to move into the feeding box, and pushing the bearing ring at the bottom of the feeding box into the bearing chuck. There is no need for manual feeding, achieving the purpose of automatic feeding, with fast feeding speed and simple operation.

Description

Technical Field

[0001] The present invention relates to the technical field of bearing processing and feeding, and particularly relates to a feeding device for a bearing lathe. Background Art

[0002] A bearing is an important component in contemporary mechanical equipment. Its main function is to support a mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotational accuracy. The turning process of the inner and outer rings of the bearing is an important link in the bearing production process.

[0003] The existing bearing processing method requires manual loading of bearings into the fixture one by one for feeding, and then waiting for the tool to turn them. The feeding time is relatively long, and manual loading and unloading will cause the lathe to stop processing for a long time, reducing production efficiency. Therefore, a feeding device for a bearing lathe is designed to solve the problem of low efficiency of manual feeding by workers. Summary of the Invention

[0004] For this reason, the present invention provides a feeding device for a bearing lathe, and an automatic feeding mechanism is adopted to solve the problem of low efficiency of manual feeding.

[0005] To achieve the above object, the present invention provides the following technical solution: A feeding device for a bearing lathe includes a bearing processing device. A bearing chuck is fixedly provided on one side of the bearing processing device, and an automatic feeding mechanism is provided on one side of the bearing processing device;

[0006] The automatic feeding mechanism includes a fixed frame. One side of the fixed frame is fixedly connected to the bearing processing device. Two power components are provided on the top of the fixed frame. A feeding component is inserted into the fixed frame. The feeding component includes a feeding box. A plurality of bearing rings are provided inside the feeding box. Fixing plates are fixedly provided on both sides of the feeding box. Two limiting plates are fixedly provided on one side of the feeding box. A feeding unit is provided on one side of the feeding box. The feeding unit includes a second connecting plate. A second guide rod is inserted into the second connecting plate. A second spring is sleeved on the outside of the second guide rod. The bottom of the second guide rod is connected to a movable plate. Automatic limiting components are provided on both sides of the movable plate. A trapezoidal block is fixedly provided at the bottom of the movable plate. A pushing block is sleeved on the outside of the trapezoidal block. A through groove is opened in the pushing block. First connecting plates are fixedly provided on both sides of the pushing block. A first guide rod is inserted into each of the two first connecting plates. A first spring is sleeved on the outside of each of the two first guide rods.

[0007] Preferably, the power component includes a support platform. The support platform is fixedly provided on the top of the fixed frame. A cylinder is fixedly provided on the top of the support platform. The output end of the cylinder is fixedly connected to a push rod. The push rod penetrates through the support platform and is slidably connected to the support platform. A corner plate is fixedly provided at the bottom of the push rod. The corner plate is fixedly connected to the feeding box.

[0008] Preferably, one end of the first spring and the first guide rod are both fixedly connected to the fixed plate, the other end of the first spring is fixedly connected to the first connecting plate, and the first guide rod penetrates through the first connecting plate and is slidably connected to the first connecting plate.

[0009] Preferably, one end of the pushing block extends into the feeding box and is slidably connected to the feeding box.

[0010] Preferably, the trapezoidal block is arranged between the two limiting plates and is slidably connected to the two limiting plates, and the bottom of the trapezoidal block extends into the through groove and is slidably connected to the through groove.

[0011] Preferably, one end of the second spring and the second guide rod are both fixedly connected to the movable plate, the top of the second guide rod penetrates through the second connecting plate and is slidably connected to the second connecting plate, and the second connecting plate is fixedly connected to the feeding box.

[0012] Preferably, the automatic limiting component includes a protective cover, the protective cover is fixedly connected to the feeding box, a sliding plate is arranged inside the protective cover, a limiting block is fixedly connected to one side of the sliding plate, a steel wire rope and two third springs are connected to the other side of the sliding plate, a positioning ring is sleeved outside the steel wire rope, a traction rope is fixedly connected to the top of the steel wire rope, a fixing rod is fixedly connected to the top of the traction rope, and the top of the fixing rod is fixedly connected to the bottom of the fixing frame.

[0013] Preferably, the sliding plate is arranged inside the protective cover and is slidably connected to the protective cover, one end of the limiting block extends out of the protective cover and is slidably connected to one side wall of the protective cover, and the end of the limiting block extending out of the protective cover is slidably connected to the movable plate.

[0014] Preferably, one end of the steel wire rope is fixedly connected to the sliding plate, the steel wire rope is slidably connected to the positioning ring, the positioning ring is fixedly connected to the protective cover, and the other end of the steel wire rope penetrates through the top of the protective cover.

[0015] Preferably, one end of the third spring is fixedly connected to the sliding plate, and the other end of the third spring is fixedly connected to the protective cover.

[0016] The embodiments of the present invention have the following advantages:

[0017] 1. Through the instantaneous elastic force push, it is prevented that the feeding box pushes the bearing ring during the feeding process. Only when the bearing ring is aligned with the center point of the bearing chuck, the bearing ring is pushed into the bearing chuck by the instantaneously released elastic force, thereby preventing interference during the movement process and making the feeding process more stable;

[0018] 2. When the limiting block is disengaged from the movable plate, the elastic force of the second spring causes the trapezoidal block to be quickly withdrawn from the inside of the through groove through the movable plate, so that the pushing block loses its restriction. The extended first spring instantaneously pulls the first connecting plate through the elastic force, causing the pushing block to move into the feeding box, and pushing the bearing ring at the bottom of the feeding box into the bearing chuck. There is no need for manual feeding, achieving the purpose of automatic feeding, with fast feeding speed and simple operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings described below are only exemplary. For those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained based on the provided drawings.

[0020] The structures, ratios, sizes, etc. illustrated in this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention. Therefore, they do not have technical essential significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in the present invention.

[0021] Figure 1 It is a schematic diagram of the overall structure provided by the present invention;

[0022] Figure 2 It is a partially sectional perspective view of the feeding box provided by the present invention;

[0023] Figure 3 It is a perspective view of the automatic feeding mechanism provided by the present invention;

[0024] Figure 4 It is a partially sectional perspective view of the automatic feeding mechanism provided by the present invention;

[0025] Figure 5 It is a partially sectional exploded perspective view of the automatic feeding mechanism provided by the present invention;

[0026] Figure 6 It is a partially sectional perspective view of the automatic limiting component provided by the present invention;

[0027] Figure 7 It is a perspective view of the automatic feeding mechanism during feeding provided by the present invention.

[0028] In the figure: 1 bearing processing device, 2 bearing chuck, 3 fixing frame, 4 support table, 5 cylinder, 6 push rod, 7 angle plate, 8 feeding box, 9 bearing ring, 10 fixing plate, 11 limiting plate, 12 first spring, 13 first guide rod, 14 first connecting plate, 15 pushing block, 16 through groove, 17 trapezoidal block, 18 movable plate, 19 second spring, 20 second guide rod, 21 second connecting plate, 22 fixing rod, 23 towing rope, 24 steel wire rope, 25 positioning ring, 26 protective cover, 27 third spring, 28 sliding plate, 29 limiting block. Specific implementation manner

[0029] The following specific embodiments illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Refer to the attached Figure 1 -attached Figure 7 , a bearing lathe feeding device provided by the present invention includes a bearing processing device 1. A bearing chuck 2 is fixedly arranged on one side of the bearing processing device 1, and an automatic feeding mechanism is arranged on one side of the bearing processing device 1;

[0031] The automatic feeding mechanism includes a fixing frame 3. One side of the fixing frame 3 is fixedly connected to the bearing processing device 1. Two power components are arranged on the top of the fixing frame 3. A feeding component is inserted into the fixing frame 3. The feeding component includes a feeding box 8. A plurality of bearing rings 9 are arranged inside the feeding box 8. Fixing plates 10 are fixedly arranged on both sides of the feeding box 8. Two limiting plates 11 are fixedly arranged on one side of the feeding box 8. A feeding unit is arranged on one side of the feeding box 8. The feeding unit includes a second connecting plate 21. A second guide rod 20 is inserted into the second connecting plate 21. A second spring 19 is sleeved outside the second guide rod 20. The bottom of the second guide rod 20 is connected to a movable plate 18. Automatic limiting components are arranged on both sides of the movable plate 18. A trapezoidal block 17 is fixedly arranged at the bottom of the movable plate 18. A pushing block 15 is sleeved outside the trapezoidal block 17. A through groove 16 is opened inside the pushing block 15. First connecting plates 14 are fixedly arranged on both sides of the pushing block 15. First guide rods 13 are inserted into the two first connecting plates 14. First springs 12 are sleeved outside the two first guide rods 13;

[0032] In this embodiment, in order to achieve the purpose of automatic feeding, when feeding the bearing ring, the feeding box 8 needs to be moved downward by the power component. When the feeding box 8 moves downward, it drives the protective cover 26 to move. The protective cover 26 drives the traction rope 23 through the steel wire rope 24 inside, so that the traction rope 23 gradually extends and straightens. When the traction rope 23 is completely straightened, it pulls the steel wire rope 24 to move upward. The movement of the steel wire rope 24 makes the limiting block 29 gradually retract into the protective cover 26 by pulling the sliding plate 28. At this time, the third spring 27 contracts, and the limiting block 29 gradually disengages from the movable plate 18. When the downward stroke of the feeding box 8 ends, the center point of the lowermost bearing ring 9 is aligned with the center point of the bearing chuck 2. At this time, the limiting block 29 is completely retracted into the protective cover 26, and the movable plate 18 loses the pressing force. The extended second spring 19 instantaneously pulls the movable plate 18 upward by its elastic force. Since the top of the second guide rod 20 moves away from the fixed frame 3 when the feeding box 8 moves downward, the movable plate 18 has space to move upward, so that the trapezoidal block 17 quickly withdraws from the through groove 16, making the push block 15 lose the restriction. The extended first spring 12 instantaneously pulls the first connecting plate 14 towards the fixed plate 10 by its elastic force. The movement of the first connecting plate 14 drives the push block 15 to move into the feeding box 8, and at the same time, the lowermost bearing ring 9 in the feeding box 8 is pushed into the bearing chuck 2, eliminating the need for manual feeding and achieving the purpose of automatic feeding, with fast feeding speed and simple operation;

[0033] Among them, in order to achieve the purpose of controlling whether the feeding box 8 feeds through the power component, the following technical solution is adopted for this device: The power component includes a support platform 4, the support platform 4 is fixedly arranged on the top of the fixed frame 3, a cylinder 5 is fixedly arranged on the top of the support platform 4, the output end of the cylinder 5 is fixedly connected with a push rod 6, the push rod 6 passes through the support platform 4 and is slidably connected with the support platform 4, a gusset plate 7 is fixedly arranged at the bottom of the push rod 6, and the gusset plate 7 is fixedly connected with the feeding box 8. When feeding the bearing ring, the cylinder 5 is started, and the cylinder 5 works to make the push rod 6 extend. The extension of the push rod 6 drives the feeding box 8 to move downward through the gusset plate 7, providing power for the operation of the automatic feeding mechanism;

[0034] Among them, in order to achieve the purpose of instantaneously pushing the pushing block 15 into the inner part of the feeding box 8, the following technical solution is adopted in this device: One end of the first spring 12 and the first guide rod 13 are both fixedly connected to the fixed plate 10. The other end of the first spring 12 is fixedly connected to the first connecting plate 14. The first guide rod 13 penetrates through the first connecting plate 14 and is slidably connected to the first connecting plate 14. One end of the pushing block 15 extends into the inner part of the feeding box 8 and is slidably connected to the feeding box 8. The trapezoidal block 17 is arranged between the two limiting plates 11 and is slidably connected to the two limiting plates 11. The bottom of the trapezoidal block 17 extends into the through groove 16 and is slidably connected to the through groove 16. One end of the second spring 19 and the bottom of the second guide rod 20 are both fixedly connected to the movable plate 18. The top of the second guide rod 20 penetrates through the second connecting plate 21 and is slidably connected to the second connecting plate 21. The second connecting plate 21 is fixedly connected to the feeding box 8. Since the trapezoidal block 17 is pulled out of the through groove 16 by the elastic force of the elongated second spring 19 when the limiting block 29 is separated from the movable plate 18 instantaneously, the pushing block 15 loses its restriction instantaneously. Then, the elongated first spring 12 pulls the first connecting plate 14 to move instantaneously through the elastic force. The movement of the first connecting plate 14 drives the pushing block 15 to extend into the inner part of the feeding box 8, and the bearing ring 9 at the bottom of the feeding box 8 is pushed into the aligned bearing chuck 2. Through the instantaneous elastic force push, it is prevented that the feeding box 8 pushes the bearing ring 9 during the feeding process. Only when the center points of the bearing ring 9 and the bearing chuck 2 are aligned, the bearing ring 9 is pushed into the bearing chuck 2 through the instantaneously released elastic force, thereby preventing interference during the movement process and making the feeding process more stable;

[0035] Among them, in order to achieve the purpose of whether the limit block 29 is retracted into the protective cover 26, the following technical solution is adopted in this device: The automatic limit component includes a protective cover 26, which is fixedly connected to the feeding box 8. Inside the protective cover 26, there is a sliding plate 28. One side of the sliding plate 28 is fixedly connected to a limit block 29, and the other side of the sliding plate 28 is connected to a steel wire rope 24 and two third springs 27. A positioning ring 25 is sleeved outside the steel wire rope 24. The top of the steel wire rope 24 is fixedly connected to a towing rope 23, and the top of the towing rope 23 is fixedly connected to a fixed rod 22. The top of the fixed rod 22 is fixedly connected to the bottom of the fixed frame 3. The sliding plate 28 is arranged inside the protective cover 26 and is slidably connected to the protective cover 26. One end of the limit block 29 extends outside the protective cover 26 and is slidably connected to one side wall of the protective cover 26. The end of the limit block 29 extending outside the protective cover 26 is slidably connected to the movable plate 18. One end of the steel wire rope 24 is fixedly connected to the sliding plate 28. The steel wire rope 24 is slidably connected to the positioning ring 25, and the positioning ring 25 is fixedly connected to the protective cover 26. The other end of the steel wire rope 24 penetrates through the top of the protective cover 26. One end of the third spring 27 is fixedly connected to the sliding plate 28, and the other end of the third spring 27 is fixedly connected to the protective cover 26. When the feeding box 8 moves downward, it drives the protective cover 26 to move. The protective cover 26 drives the towing rope 23 through the internal steel wire rope 24, making the towing rope 23 gradually stretch and straighten. When the towing rope 23 is completely straightened, it pulls the steel wire rope 24 to move upward. The movement of the steel wire rope 24 makes the limit block 29 gradually retract into the protective cover 26 by pulling the sliding plate 28. At this time, the third spring 27 contracts, and the limit block 29 gradually disengages from the movable plate 18. When the downward stroke of the feeding box 8 ends, the center point of the bottommost bearing ring 9 is aligned with the center point of the bearing chuck 2. At this time, the limit block 29 is completely retracted into the protective cover 26. During the reset process of the feeding box 8, first, the towing rope 23 becomes loose. The elastic force of the third spring 27 pushes the sliding plate 28, making the steel wire rope 24 and the limit block 29 reset. Secondly, the top of the second guide rod 20 moves to contact the bottom of the fixed frame 3, and the second guide rod 20 cannot move upward. When the feeding box 8 moves upward, the second guide rod 20 pushes the movable plate 18 to move downward, thereby stretching the second spring 19. At the same time, the movement of the movable plate 18, through the cooperation of the inclined surfaces at both ends and the inclined surface at the top of the limit block 29, makes the limit block 29 be pressed and retracted into the protective cover 26, facilitating the movable plate 18 to move to the bottom of the limit block 29.

[0036] The usage process of the present invention is as follows: When using the present invention, the cylinder 5 is connected to the cylinder power device to control whether the cylinder 5 works. A plurality of bearing rings 9 are placed inside the feeding box 8, and the lowermost bearing ring 9 is at the opening of the feeding box 8. When feeding the bearing ring is required, the cylinder 5 is started. When the cylinder 5 works, the push rod 6 extends. The extension of the push rod 6 drives the feeding box 8 to move downward through the angle plate 7. When the feeding box 8 moves downward, it drives the protective cover 26 to move. The protective cover 26 drives the traction rope 23 through the steel wire rope 24 inside, so that the traction rope 23 gradually extends and straightens. When the traction rope 23 is completely straightened, it pulls the steel wire rope 24 to move upward. The movement of the steel wire rope 24 makes the limiting block 29 gradually retract into the protective cover 26 through pulling the sliding plate 28. At this time, the third spring 27 contracts, and the limiting block 29 gradually disengages from the movable plate 18. When the downward stroke of the feeding box 8 ends, the center point of the lowermost bearing ring 9 is aligned with the center point of the bearing chuck 2. At this time, the limiting block 29 is completely retracted into the protective cover 26, and the movable plate 18 loses the pressing force. The extended second spring 19 instantaneously pulls the movable plate 18 upward by its elastic force. Since the top of the second guide rod 20 moves away from the fixed frame 3 when the feeding box 8 moves downward, the movable plate 18 has space to move upward, so that the trapezoidal block 17 quickly withdraws from the through groove 16, and the push block 15 loses the restriction. The extended first spring 12 instantaneously pulls the first connecting plate 14 towards the fixed plate 10 by its elastic force. The movement of the first connecting plate 14 drives the push block 15 to move into the feeding box 8, and at the same time, the lowermost bearing ring 9 in the feeding box 8 is pushed into the bearing chuck 2, achieving the purpose of automatic feeding. The feeding speed is fast, the operation is simple. After the feeding is completed, the cylinder 5 drives the push rod 6 to retract and reset, and further drives the feeding box 8 to reset upward through the angle plate 7. When the feeding box 8 moves upward, first, the traction rope 23 becomes loose, and the sliding plate 28 is pushed by the elastic force of the third spring 27, so that the steel wire rope 24 and the limiting block 29 are reset. Secondly, the top of the second guide rod 20 moves to contact the bottom of the fixed frame 3, and the second guide rod 20 cannot move upward. When the feeding box 8 moves upward, the second guide rod 20 pushes the movable plate 18 to move downward, and further stretches the second spring 19. At the same time, the movement of the movable plate 18 makes the limiting block 29 be pressed and retracted into the protective cover 26 through the cooperation of the inclined surfaces at both ends and the top inclined surface of the limiting block 29, facilitating the movable plate 18 to move to the bottom of the limiting block 29. At the same time, the movable plate 18 drives the trapezoidal block 17 to insert into the through groove 16. Through the cooperation of the trapezoidal block 17 and the through groove 16, the push block 15 is withdrawn from the feeding box 8. The movement of the push block 15 drives the first connecting plate 14 to slide along the first guide rod 13, stretching the first spring 12. After the push block 15 is reset, the bearing rings 9 in the feeding box 8 automatically fall by gravity, facilitating the next feeding.

[0037] The above are only the preferred embodiments of the present invention. Any person skilled in the art may modify the present invention by using the technical solutions described above or modify it into equivalent technical solutions. Therefore, any simple modification or equivalent replacement made according to the technical solutions of the present invention falls within the scope of protection required by the present invention.

Claims

1. A bearing lathe loading device, comprising a bearing processing device (1), characterized in that: On one side of the bearing processing device (1), a bearing chuck (2) is fixedly provided, and an automatic feeding mechanism is arranged on one side of the bearing processing device (1); The automatic feeding mechanism includes a fixed frame (3). One side of the fixed frame (3) is fixedly connected to the bearing processing device (1). Two power components are arranged on the top of the fixed frame (3). A feeding component is inserted into the fixed frame (3). The feeding component includes a feeding box (8). A plurality of bearing rings (9) are arranged inside the feeding box (8). Fixing plates (10) are fixedly provided on both sides of the feeding box (8). Two limiting plates (11) are fixedly provided on one side of the feeding box (8). A feeding unit is arranged on one side of the feeding box (8). The feeding unit includes a second connecting plate (21). A second guide rod (20) is inserted into the second connecting plate (21). A second spring (19) is sleeved outside the second guide rod (20). The bottom of the second guide rod (20) is connected to a movable plate (18). Automatic limiting components are arranged on both sides of the movable plate (18). A trapezoidal block (17) is fixedly provided at the bottom of the movable plate (18). A push block (15) is sleeved outside the trapezoidal block (17). A through groove (16) is formed inside the push block (15). First connecting plates (14) are fixedly provided on both sides of the push block (15). A first guide rod (13) is inserted into each of the two first connecting plates (14). A first spring (12) is sleeved outside each of the two first guide rods (13); The automatic limiting component includes a protective cover (26). The protective cover (26) is fixedly connected to the feeding box (8). A sliding plate (28) is arranged inside the protective cover (26). A limiting block (29) is fixedly connected to one side of the sliding plate (28). A steel wire rope (24) and two third springs (27) are connected to the other side of the sliding plate (28). A positioning ring (25) is sleeved outside the steel wire rope (24). A traction rope (23) is fixedly connected to the top of the steel wire rope (24). A fixing rod (22) is fixedly connected to the top of the traction rope (23). The top of the fixing rod (22) is fixedly connected to the bottom of the fixed frame (3); The sliding plate (28) is arranged inside the protective cover (26) and is slidably connected to the protective cover (26). One end of the limiting block (29) extends outside the protective cover (26) and is slidably connected to one side wall of the protective cover (26). The end of the limiting block (29) extending outside the protective cover (26) is slidably connected to the movable plate (18); One end of the steel wire rope (24) is fixedly connected to the sliding plate (28). The steel wire rope (24) is slidably connected to the positioning ring (25). The positioning ring (25) is fixedly connected to the protective cover (26). The other end of the steel wire rope (24) penetrates through the top of the protective cover (26); One end of the third spring (27) is fixedly connected to the sliding plate (28). The other end of the third spring (27) is fixedly connected to the protective cover (26).

2. The feeding device for a bearing lathe according to claim 1, characterized in that: The power assembly includes a support platform (4), the support platform (4) is fixedly arranged on the top of a fixing frame (3), a cylinder (5) is fixedly arranged on the top of the support platform (4), a push rod (6) is fixedly connected to the output end of the cylinder (5), the push rod (6) penetrates through the support platform (4) and is slidably connected to the support platform (4), an angle plate (7) is fixedly arranged at the bottom of the push rod (6), and the angle plate (7) is fixedly connected to a feeding box (8).

3. The feeding device for a bearing lathe according to claim 1, characterized in that: One end of a first spring (12) and a first guide rod (13) are both fixedly connected to a fixing plate (10), the other end of the first spring (12) is fixedly connected to a first connecting plate (14), and the first guide rod (13) penetrates through the first connecting plate (14) and is slidably connected to the first connecting plate (14).

4. The feeding device for a bearing lathe according to claim 1, wherein: One end of a push block (15) extends into the feeding box (8) and is slidably connected to the feeding box (8).

5. The feeding device for a bearing lathe according to claim 1, wherein: The trapezoidal block (17) is arranged between two limiting plates (11) and is slidably connected to the two limiting plates (11), and the bottom of the trapezoidal block (17) extends into the through groove (16) and is slidably connected to the through groove (16).

6. The feeding device for a bearing lathe according to claim 1, wherein: The bottom of a second spring (19) and a second guide rod (20) are both fixedly connected to a movable plate (18), the top of the second guide rod (20) penetrates through a second connecting plate (21) and is slidably connected to the second connecting plate (21), and the second connecting plate (21) is fixedly connected to the feeding box (8).

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