Bearing ball separating device, bearing pressing device and bearing assembling device

By designing a bearing ball-separating device, which combines a mounting plate and ball-separating columns, the automated and uniform distribution of steel balls is achieved, solving the problem of low efficiency in traditional manual ball separation and improving the automation level and production efficiency of bearing assembly.

CN120576176BActive Publication Date: 2025-12-16NINGBO ZHENHAI SILVER BALL BEARING CO LTD
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Patent Information

Application Number
CN202511080501.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-04
Publication Date
2025-12-16
Estimated Expiration
2045-08-04

AI Technical Summary

Technical Problem

In the traditional bearing manufacturing process, the uniform distribution of steel balls is inefficient and relies on manual operation, resulting in high labor intensity and low efficiency.

Method used

A bearing ball-separating device was designed, comprising a first moving unit, a second moving unit, and a ball-separating mechanism. It utilizes guide holes and ball-separating columns on the mounting plate to achieve precise placement of steel balls, and combines cylinder drive to achieve automated ball separation and pressing. It also integrates imaging, ball collection, and detection functions.

Benefits of technology

It achieves automated and uniform distribution of steel balls, reduces the labor intensity of operators, improves production efficiency, reduces manual operation steps, and increases the degree of automation in bearing assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present disclosure relates to the technical field of bearing assembly, in particular to a bearing ball separating device, a bearing pressing and protecting machine and a bearing assembly device. The bearing ball separating device comprises a first moving unit, a second moving unit and a ball separating mechanism. The ball separating mechanism comprises a mounting disc provided with a plurality of cavities and guide holes communicating with the cavities. The guide holes correspond to the cavities one by one. The guide holes are uniformly distributed along the circumference of the mounting disc. A ball separating column is mounted in the guide hole. The ball separating column is in sliding fit with the guide hole. A spring is arranged in the cavity. One end of the spring is connected with the mounting disc. The other end of the spring is connected with the ball separating column. The bearing ball separating device provided by the present disclosure is simple and ingenious, which can replace manual ball separating, reduce the labor intensity of the operator and improve the production efficiency.
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Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of bearing assembly, in particular to a bearing ball separating device, a bearing pressing and protecting machine and a bearing assembly device. BACKGROUND

[0002] In the bearing manufacturing and assembly process, after the inner and outer rings and steel balls are combined, the steel balls need to be evenly divided into the inner and outer ring channels of the one-way bearing so as to facilitate the installation of the bearing retainer. The traditional manual method for separating steel balls is very low in efficiency. SUMMARY

[0003] The present disclosure provides a bearing ball separating device, a bearing pressing and protecting machine and a bearing assembly device to at least solve the above technical problems in the prior art.

[0004] The first aspect of the present disclosure provides a bearing ball separating device, comprising:

[0005] A first moving unit comprising a first moving part movable along a first direction X;

[0006] A second moving unit arranged on the first moving part, so that the second moving unit is movable along the first direction X, the second moving unit comprising a second moving part movable along a second direction Z;

[0007] A ball separating mechanism arranged on the second moving part;

[0008] The ball separating mechanism comprises a mounting disc provided with a plurality of cavities and guide holes communicating with the cavities, the guide holes corresponding one-to-one with the cavities, the plurality of guide holes being uniformly distributed along the circumference of the mounting disc, the guide holes being provided with ball separating columns, the ball separating columns being in sliding fit with the guide holes, the cavities being provided with springs, one end of the spring being connected with the mounting disc, the other end of the spring being connected with the ball separating column.

[0009] Further, along the circumference of the mounting disc, the plurality of ball separating columns are arranged in order from long to short.

[0010] Further, the end surface of the ball separating column away from the spring is a bevel surface.

[0011] Further, the ball separating column is provided with a limiting column.

[0012] Among the plurality of ball separating columns, the distance from the end of the ball separating column away from the spring to the limiting column is the same.

[0013] Further, the first moving unit further comprises a first guide rail and a first cylinder, the first moving piece is in sliding fit with the first guide rail, and the cylinder body of the first cylinder is arranged on the first guide rail, and the telescopic end of the first cylinder is connected with the first moving piece.

[0014] Further, the second moving unit further comprises a second guide rail and a second cylinder, the second guide rail is arranged on the first moving piece, the second moving piece is in sliding fit with the second guide rail, the cylinder body of the second cylinder is arranged on the first moving piece, and the telescopic end of the second cylinder is connected with the second moving piece.

[0015] Further, the third moving unit comprises a third guide rail and a third moving piece in sliding fit with the third guide rail, and the third guide rail extends along the second direction Z.

[0016] The third guide rail is arranged on the first moving piece, and the third moving piece is provided with a press-in head for sucking a bearing retainer and pressing into a bearing.

[0017] The second aspect of the present disclosure provides a bearing press-in machine, comprising:

[0018] A turntable, an image mechanism arranged on the edge of the turntable, a ball collecting mechanism, a bearing ball separating device, and a detection mechanism.

[0019] A plurality of assembly tools are arranged on the turntable, and the plurality of assembly tools are uniformly spaced along the circumference of the turntable.

[0020] The image mechanism is used for shooting steel balls in a bearing.

[0021] The ball collecting mechanism is used for moving the steel balls to a preset position.

[0022] The bearing ball separating device is the bearing ball separating device of the first aspect.

[0023] The detection mechanism is used for detecting whether a bearing retainer is installed in place.

[0024] Further, the ball collecting mechanism comprises a ball collecting piece, the ball collecting piece comprises a mounting seat and a protruding portion arranged on the mounting seat, and the protruding portion is in the shape of an arc plate coaxial with a bearing.

[0025] In a direction away from the mounting seat, the arc length of the protruding portion gradually decreases.

[0026] The third aspect of the present disclosure provides a bearing assembly device, comprising two bearing press-in machines of the second aspect.

[0027] Two said bearing pressing machines are provided with a turnover mechanism, which is used for turning the bearing by 180°.

[0028] Compared with the prior art, the technical scheme provided by the embodiments of the present disclosure has the following advantages:

[0029] The bearing ball separating device provided by the embodiments of the present disclosure comprises a first moving unit, a second moving unit and a ball separating mechanism. The first moving unit comprises a first moving part movable along a first direction X. The second moving unit is arranged on the first moving part, so that the second moving unit is movable along the first direction X. The second moving unit comprises a second moving part, and the second moving part is movable along a second direction Z. The ball separating mechanism is arranged on the second moving part. The first moving part of the first moving unit is movable along the X-axis direction, so that the ball separating mechanism can be adjusted in a horizontal lateral range. The second moving part of the second moving unit is movable along the Z-axis (usually a vertical direction), so that the ball separating mechanism can be adjusted in a height direction. The ball separating mechanism comprises a mounting disc provided with a plurality of cavities and guide holes communicating with the cavities. The guide holes correspond to the cavities one by one, and the plurality of guide holes are uniformly distributed along the circumference of the mounting disc. A ball separating column is arranged in the guide hole, and the ball separating column is in sliding fit with the guide hole. A spring is arranged in the cavity, one end of the spring is connected with the mounting disc, and the other end of the spring is connected with the ball separating column. The plurality of guide holes are uniformly distributed along the circumference of the mounting disc, so that the ball separating column can accurately place the steel ball at a corresponding position of the bearing retainer. The spring provides a buffer when the ball separating column contacts the steel ball, so that rigid collision can be avoided to cause scratches or deformation of the surface of the steel ball. The bearing ball separating device provided by the embodiments of the present disclosure is simple and ingenious, can replace manual steel ball separation, reduces the labor intensity of the operator, and improves the production efficiency.

[0030] It should be understood that the content described in this part is not intended to identify key or important features of the embodiments of the present disclosure, nor is it used to limit the scope of the present disclosure. Other features of the present disclosure will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0031] The above and other objects, features and advantages of the exemplary embodiments of the present disclosure will be more apparent from the following detailed description read in conjunction with the accompanying drawings, in which:

[0032] In the drawings, identical or corresponding reference numerals indicate identical or corresponding parts.

[0033] Figure 1a Fig. 1 shows a structural schematic diagram of a bearing ball separating device provided by the embodiments of the present disclosure;

[0034] Figure 1b Fig. 2 shows a structural schematic diagram of a bearing ball separating device provided by the embodiments of the present disclosure; Figure Two;

[0035] Figure 1c A structure diagram of a ball separating mechanism in a bearing ball separating device is shown;

[0036] Figure 2 A structure diagram of a bearing ball pressing device is shown;

[0037] Figure 3 A structure diagram of a ball collecting mechanism in a bearing ball pressing device is shown.

[0038] Figure label explanation: 1, bearing ball separating device; 11, first guide rail; 12, first moving part; 13, first air cylinder; 21, second guide rail; 22, second moving part; 23, second air cylinder; 3, ball separating mechanism; 31, mounting disc; 32, cavity; 33, guide hole; 34, ball separating column; 341, limiting column; 35, spring; 41, third guide rail; 42, third moving part; 421, pressing head; 43, third air cylinder; 5, image mechanism; 6, ball collecting mechanism; 61, mounting seat; 62, protruding part; 7, detection mechanism; 8, rotating disc; 81, assembly tooling; 91, bearing; 92, bearing retainer. DETAILED DESCRIPTION

[0039] To make the objectives, features, and advantages of the present disclosure more obvious and easy to understand, the technical solutions in the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present disclosure.

[0040] As shown in Figure 1a , Figure 1b and Figure 1c , the bearing ball separating device 1 provided by the embodiments of the present disclosure includes a first moving unit, a second moving unit, and a ball separating mechanism 3; the first moving unit includes a first moving part 12 that can move along a first direction X; the second moving unit is arranged on the first moving part 12, so that the second moving unit can move along the first direction X, and the second moving unit includes a second moving part 22 that can move along a second direction Z; and the ball separating mechanism 3 is arranged on the second moving part 22. The first moving part 12 of the first moving unit can move along the X-axis direction, so that the ball separating mechanism 3 can adjust the position in a horizontal transverse range; and the second moving part 22 of the second moving unit moves along the Z-axis (usually a vertical direction), so that the ball separating mechanism 3 can be adjusted in the height direction.

[0041] Optionally, the first direction X is perpendicular to the second direction Z, when the first direction X is the length direction or the width direction of the bearing ball separating device 1, the second direction Z is the height direction of the bearing ball separating device 1.

[0042] The ball separating mechanism 3 comprises a mounting disc 31, the mounting disc 31 is provided with a plurality of cavities 32 and guide holes 33 communicating with the cavities 32, the guide holes 33 correspond to the cavities 32 one by one, the plurality of guide holes 33 are uniformly distributed along the circumference of the mounting disc 31, the guide holes 33 are installed with ball separating columns 34, the ball separating columns 34 are in sliding fit with the guide holes 33, the cavities 32 are provided with springs 35, one end of the spring 35 is connected with the mounting disc 31, the other end of the spring 35 is connected with the ball separating column 34. The plurality of guide holes 33 are uniformly distributed along the circumference of the mounting disc 31, so that the ball separating column 34 can accurately place the steel ball in the position corresponding to the bearing retainer 92. The spring 35 provides cushioning when the ball separating column 34 contacts the steel ball, which can avoid rigid collision to cause scratches or deformation on the surface of the steel ball. The bearing ball separating device 1 provided by the embodiment of the present disclosure has simple and ingenious structure, can replace manual steel ball separation, reduces the labor intensity of the operator, and improves the production efficiency.

[0043] The first moving part 12 and the second moving part 22 can be plate-shaped or block-shaped.

[0044] Optionally, the first moving unit further comprises a first guide rail 11, the first moving part 12 is in sliding fit with the first guide rail 11, the cylinder body of the first air cylinder 13 is arranged on the first guide rail 11, and the telescopic end of the first air cylinder 13 is connected with the first moving part 12.

[0045] Optionally, the second moving unit further comprises a second guide rail 21, the second guide rail 21 is arranged on the first moving part 12, the second moving part 22 is in sliding fit with the second guide rail 21, the cylinder body of the second air cylinder 23 is arranged on the first moving part 12, and the telescopic end of the second air cylinder 23 is connected with the second moving part 22.

[0046] In some specific embodiments, along the circumference of the mounting disc 31, the plurality of ball separating columns 34 are arranged in order from long to short. When separating the balls, first, the longest ball separating column 34 is used to push the steel ball to both sides, and then the other ball separating columns 34 with gradually decreasing heights are used in order; by using the bearing ball separating device 1 of the embodiment, the steel balls of the bearing 91 product can be quickly and evenly separated, which is efficient, labor-saving and portable.

[0047] In some specific embodiments, the end face of the ball separating column 34 away from the spring 35 is a bevel, which can reduce the possibility of the steel ball being stuck between two ball separating columns 34.

[0048] In some specific embodiments, the ball separating column 34 is provided with a limiting column 341; among the plurality of ball separating columns 34, the distance from the end of the ball separating column 34 away from the spring 35 to the limiting column 341 is the same, so that the ball separating column 34 stops after reaching the first layer of balls. Due to the limiting effect of the limiting column 341, the ball separating column 34 cannot continue to move downward and touch the next layer of balls.

[0049] In some specific embodiments, the first moving unit further comprises a first guide rail 11 and a first air cylinder 13, the first moving part 12 is in sliding fit with the first guide rail 11, the cylinder body of the first air cylinder 13 is arranged on the first guide rail 11, and the telescopic end of the first air cylinder 13 is connected with the first moving part 12. The first guide rail 11 extends along the X direction, the first air cylinder 13 can drive the first moving part 12 to move along the X axis direction, so that the ball separating mechanism 3 can be adjusted in position in the horizontal transverse range.

[0050] In some specific embodiments, the second moving unit further comprises a second guide rail 21 and a second air cylinder 23, the second guide rail 21 is arranged on the first moving part 12, the second moving part 22 is in sliding fit with the second guide rail 21, the cylinder body of the second air cylinder 23 is arranged on the first moving part 12, the telescopic end of the second air cylinder 23 is connected with the second moving part 22, and the ball separating mechanism 3 is installed on the second moving part 22. The second guide rail 21 extends along the second direction Z; the second moving part 22 can be driven by the second air cylinder 23, so that the second moving part 22 can move along the Z axis (usually the vertical direction), and the adjustment of the ball separating mechanism 3 in the height direction can be realized.

[0051] In some specific embodiments, a third moving unit is further included, which comprises a third guide rail 41 and a third moving part 42 in sliding fit with the third guide rail 41, the third guide rail 41 extends along the second direction Z; the third guide rail 41 is arranged on the first moving part 12, and the third moving part 42 is provided with a press-in head 421 for sucking the bearing retainer 92 and pressing into the bearing 91. The third moving part 42 can be driven by a third air cylinder 43. The first moving part 12 moves along the first direction X, which can switch the positions of the ball separating mechanism 3 and the press-in head 421 in the first direction. The third moving unit cooperates with the first moving unit and the second moving unit, so that the bearing ball separating device 1 has the integrated capability of “ball separating, bearing retainer 92 sucking, and press-in”. The bearing retainer 92 press-in link originally requiring manual intervention is replaced, which can improve the work efficiency.

[0052] As Figure 2 and Figure 3As shown, the bearing pressing and protecting machine provided by the embodiment of the present disclosure comprises a rotating disc 8, an image mechanism 5, a ball collecting mechanism 6, a bearing ball separating device 1 and a detection mechanism 7 arranged at the edge of the rotating disc 8. The rotating disc 8 is provided with a plurality of assembly tools 81, and the plurality of assembly tools 81 are uniformly and spaced apart along the circumference of the rotating disc 8. The image mechanism 5 is used for shooting the steel balls in the bearing 91. The ball collecting mechanism 6 is used for moving the steel balls to a preset position. The bearing ball separating device 1 is the bearing ball separating device 1 provided by the embodiment of the present disclosure. The detection mechanism 7 is used for detecting whether the bearing retainer 92 is installed in place. The rotating disc 8 drives the plurality of assembly tools 81 to rotate uniformly along the circumference, forming a ring-shaped assembly line, so that the bearing 91 sequentially passes through the image mechanism, the ball collecting mechanism, the ball separating device, the pressing and protecting mechanism and the final detection mechanism, thereby saving the labor cost and improving the work efficiency.

[0053] The rotating disc 8 can be driven to rotate by a motor.

[0054] In some specific embodiments, the ball collecting mechanism 6 comprises a ball collecting member, and the ball collecting member comprises a mounting seat 61 and a protruding portion 62 arranged on the mounting seat 61. The protruding portion 62 is in the shape of an arc plate coaxial with the bearing 91.

[0055] In the direction away from the mounting seat 61, the arc length of the protruding portion 62 gradually decreases. During the descending process of the ball collecting member, the end portions of the protruding portion 62 are in contact with the steel balls on both sides thereof respectively and push the steel balls to move along the channels, until the steel balls are gathered together. The ball collecting member can be driven by a pneumatic cylinder.

[0056] The bearing assembly device provided by the embodiment of the present disclosure comprises two bearing pressing and protecting machines provided by the embodiment of the present disclosure. A turnover mechanism is arranged between the two bearing pressing and protecting machines, and the turnover mechanism is used for turning the bearing 91 by 180°. The embodiment realizes the automatic assembly of the bearing 91 through the image mechanism 5, the ball collecting mechanism 6, the bearing ball separating device 1 and the detection mechanism 7, and the bearing 91 can be turned by 180° through the turnover mechanism, so that the ball separating and the installation of the bearing retainer 92 can be performed on both ends of the double-groove bearing 91, thereby reducing the manual operation and improving the production efficiency of the bearing 91. Through the arrangement of the turnover mechanism, the bearing 91 part is turned over and then enters another rotating disc 8 to perform the ball separating and the installation of the bearing retainer 92 again, thereby reducing the manual operation, saving the labor cost and improving the double-groove bearing pressing and protecting efficiency.

[0057] Optionally, the turnover mechanism comprises a manipulator, a rotator and a lifting frame. The lifting frame is arranged on the base, and the rotator is arranged on the lifting frame and connected with the manipulator.

[0058] It should be understood that the various forms of flow shown above can be used to reorder, add, or delete steps. For example, the steps described in the present disclosure can be performed in parallel, in series, or in a different order, as long as the desired results of the technical solutions disclosed in the present embodiment can be achieved, which is not limited herein.

[0059] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0060] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A bearing ball-separating device, characterized in that, include: The first moving unit includes a first moving member (12) that can move along a first direction; The second moving unit is disposed on the first moving member (12) so that the second moving unit can move along the first direction. The second moving unit includes a second moving member (22), which can move along the second direction. The ball-distributing mechanism (3) is disposed on the second moving part (22); The ball-splitting mechanism (3) includes a mounting plate (31), which has multiple cavities (32) and guide holes (33) communicating with the cavities (32). The guide holes (33) correspond one-to-one with the cavities (32). The multiple guide holes (33) are evenly distributed around the circumference of the mounting plate (31). A ball-splitting post (34) is installed in the guide hole (33). The ball-splitting post (34) is slidably engaged with the guide hole (33). A spring (35) is provided inside the cavity (32). One end of the spring (35) is connected to the mounting plate (31), and the other end of the spring (35) is connected to the ball-splitting post (34). The ball-splitting column (34) is provided with a limiting column (341); Among the plurality of ball-splitting posts (34), the distance from the end of the ball-splitting post (34) away from the spring (35) to the limiting post (341) is the same; The first moving unit further includes a first guide rail (11) and a first cylinder (13). The first moving part (12) is slidably engaged with the first guide rail (11). The cylinder body of the first cylinder (13) is disposed on the first guide rail (11). The telescopic end of the first cylinder (13) is connected to the first moving part (12). The second moving unit also includes a second guide rail (21) and a second cylinder (23). The second guide rail (21) is disposed on the first moving member (12). The second moving member (22) is slidably engaged with the second guide rail (21). The cylinder body of the second cylinder (23) is disposed on the first moving member (12). The telescopic end of the second cylinder (23) is connected to the second moving member (22). The ball-splitting mechanism (3) is installed on the second moving member (22). It also includes a third moving unit, which includes a third guide rail (41) and a third moving member (42) that slides with the third guide rail (41), the third guide rail (41) extending along the second direction; The third guide rail (41) is disposed on the first moving part (12), and the third moving part (42) is provided with a pressure head (421), which is used to pick up the bearing cage (92) and press it into the bearing (91).

2. The bearing ball separator according to claim 1, characterized in that, Along the circumference of the mounting plate (31), a plurality of the ball-shaped columns (34) are arranged in descending order of length.

3. The bearing ball-separating device according to claim 1, characterized in that, The end face of the ball-splitting column (34) away from the spring (35) is an inclined surface.

4. A bearing pressure protection machine, characterized in that, include: Turntable (8) and imaging mechanism (5), ball collecting mechanism (6), bearing ball separating device (1) and detection mechanism (7) disposed on the edge of the turntable (8); The turntable (8) is provided with a plurality of assembly fixtures (81), and the plurality of assembly fixtures (81) are evenly spaced along the circumference of the turntable (8); The imaging mechanism (5) is used to photograph the steel balls inside the bearing (91); The ball collecting mechanism (6) is used to move the steel ball to a preset position; The bearing ball separating device (1) is the bearing ball separating device according to any one of claims 1 to 3; The detection mechanism (7) is used to detect whether the bearing cage (92) is installed in place.

5. The bearing pressure protection machine according to claim 4, characterized in that, The ball collecting mechanism (6) includes a ball collecting component, which includes a mounting base (61) and a protrusion (62) disposed on the mounting base (61). The protrusion (62) is an arc-shaped plate coaxial with the bearing (91). Along the direction away from the mounting base (61), the arc length of the protrusion (62) gradually decreases.

6. A bearing assembly device, characterized in that, Includes the bearing pressure protection machine as described in claim 4 or 5; Among them, a flipping mechanism is provided between the two bearing presses, which is used to flip the bearing (91) 180°.

Citation Information

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