A device for identifying the reference surface of a single rib bearing inner ring by its center of gravity

Abstract

The application provides a device for identifying the reference surface of a single rib bearing inner ring by using the gravity center of the single rib bearing inner ring, which comprises a feeding mechanism, a pushing mechanism and a conveying belt, the middle section of the conveying belt is provided with a single rib bearing inner ring gravity center identifying mechanism, the single rib bearing inner ring gravity center identifying mechanism comprises a guide plate, a lower U-shaped groove, an upper U-shaped groove, a lower curved supporting plate and an upper curved supporting plate, the device is provided with a set of reference surface identifying device by using the gravity center of the single rib bearing inner ring, the device is compact in structure, reliable in connection, can effectively identify the reference surface of the single rib bearing inner ring and provides convenience for subsequent processing, the device can realize batch identification of the reference surface of the single rib bearing inner ring when identifying the reference surface of the single rib bearing inner ring, avoids errors caused by manual identification, saves the labor cost, reduces the processing cost and greatly improves the processing efficiency.

Description

Technical Field

[0001] This invention belongs to the field of bearing processing technology, and in particular to a device for identifying the reference surface of the inner ring of a single-side bearing using the center of gravity of the bearing. Background Technology

[0002] During the mass production of single-blade bearing inner rings, it is necessary to identify their reference surfaces and ensure that the reference surfaces of all single-blade bearing inner rings are aligned in order to facilitate the grinding of the outer diameter of the bearing inner ring, the grinding of the inner ring groove, and the laser marking of the reference surfaces.

[0003] As per the instruction manual Figure 1 The image shown is a center cross-sectional view of the inner ring of a single-slip bearing. Figure 1 It can be seen that the inner ring width of the single-strip bearing is B, the outer diameter with the strip is D, the radius of curvature of the groove is Ri, the radial end face with the strip is usually used as the reference plane, and the other radial end face without the strip is a non-reference plane. The width between the radial plane where the centroid of the inner ring of the single-strip bearing is located and the reference plane of the inner ring of the bearing is Bg.

[0004] Chinese patent CN209970211U discloses a flipping device for identifying the front and back of a bearing. This patent uses a clamp in the inner cavity of a rotating frame to hold the outer cylindrical surface of the bearing, and a rotating motor drives the rotating frame to rotate 180° to achieve the bearing flipping operation. However, the method of clamping the outer cylindrical surface of the bearing with a clamp can easily cause radial deformation of the bearing, resulting in scrap. Secondly, the structure of the flipping device is relatively complex and difficult to manufacture. Finally, this flipping device has certain limitations in identifying the reference surface and non-reference surface of the inner ring of a single-blade bearing.

[0005] Chinese patent CN210557681U discloses a bearing end face identification and flipping device. This patent identifies and flips the bearing end face through a complex flipping device, which is suitable for large-scale production of general bearings. However, it also has certain limitations in identifying the reference surface and non-reference surface of the inner ring of a single-blade bearing.

[0006] Meanwhile, the current production of small-batch bearing inner rings mostly relies on manual identification, which increases labor costs. In addition, manual identification can produce errors, and if errors occur, the product will be scrapped, increasing processing costs. At the same time, manual identification is inefficient. Summary of the Invention

[0007] The technical problem to be solved by the present invention is to overcome the existing defects and provide a device for identifying the reference surface using the center of gravity of the inner ring of a single-sided bearing. This device realizes the identification and adjustment of the reference surface of the inner ring of a single-sided bearing, and provides convenience for grinding the outer diameter of the inner ring, grinding the inner ring groove, and laser marking the reference surface of the inner ring of the single-sided bearing. It can effectively solve the problems in the background art.

[0008] To achieve the above objectives, the present invention proposes a device for identifying the reference plane of the inner ring of a single-sided bearing using its center of gravity, comprising a feeding mechanism and a pushing mechanism, wherein the width of the inner ring of the single-sided bearing is B, the outer diameter with the flange is D, the radius of curvature of the groove is Ri, the radial end face with the flange is used as the reference plane, and the other radial end face without the flange is a non-reference plane, the width between the radial plane where the center of gravity of the inner ring of the single-sided bearing is located and the reference plane of the outer ring of the bearing is Bg, and the device also includes a conveyor belt, wherein the middle section of the conveyor belt is equipped with a single-sided bearing inner ring self-center of gravity identification mechanism.

[0009] The single-side bearing inner ring self-center of gravity identification mechanism includes a guide plate, a lower U-shaped groove, an upper U-shaped groove, a lower curved support plate, and an upper curved support plate.

[0010] The lower U-shaped groove is positioned above the conveyor belt and does not affect the conveying of the inner ring of the single-side bearing on the conveyor belt. A cut is provided on the right side of the U-shaped groove, and a guide plate with an inclined surface is installed in the cut. An upper U-shaped groove is fixed parallel to the lower U-shaped groove. The inner side of the upper U-shaped groove has an arc-shaped protrusion. The radius R of the arc-shaped protrusion is equal to the radius Ri of the groove of the inner ring of the single-side bearing and the center is consistent. The upper U-shaped groove has a rectangular notch with a length of A2mm. The distance between the left side of the upper U-shaped groove and the arc-shaped protrusion is A1mm.

[0011] The lower curved pallet has a lower arc-shaped anti-falling guard plate, a lower tail end guide ramp, a lower support plate and a lower arc-shaped guide plate. One end of the lower curved pallet is fixed to the tail end of the lower U-shaped groove and is located above the conveyor belt. The other end of the lower curved pallet is fixed with a lower tail end guide ramp, which is located directly above the left side of the conveyor belt.

[0012] The upper curved pallet has an upper arc-shaped anti-falling guard plate, an upper tail end guide slope plate, an upper support plate, and an upper arc-shaped guide plate. One end of the upper curved pallet is fixed to the tail end of the upper U-shaped groove, while the other end is fixed with the upper tail end guide slope plate. The upper tail end guide slope plate is located directly above the right side of the conveyor belt.

[0013] Preferably, the inner side of the curved support plate between one end and the other end is a curved anti-falling guard plate with a certain curvature, and the outer side is a curved guide plate with a certain curvature.

[0014] Preferably, the length of A2 = D + [reservation x], and the width of A1 = Bg + [reservation y], wherein [reservation x] ≥ 5mm, [reservation y] ≥ 3mm, the rectangular notch corresponds to the inclined surface of the guide plate, and the length of A2 is equal to the width of the inclined surface of the guide plate.

[0015] Preferably, an upper support plate with a certain curvature is provided on the inner side between one end and the other end of the upper curved support plate, and an upper arc-shaped guide plate and an upper arc-shaped anti-falling guard plate with a certain curvature are provided on the outer side.

[0016] Preferably, the feeding mechanism is connected to the front end of the rectangular notch near the upper U-shaped groove.

[0017] Preferably, the pushing mechanism is fitted to the front end of the cut and near the lower U-shaped groove.

[0018] Preferably, an anti-stacking baffle is provided in the extension direction of the conveyor belt, and the distance between the lower surface of the anti-stacking baffle and the upper surface of the conveyor belt is greater than the height of the inner ring of one single-side bearing and less than the height of the superimposed inner rings of two single-side bearings.

[0019] Preferably, the discharge port of the feeding mechanism is connected to the front feed port of the upper U-shaped trough through a pushing mechanism, and the pushing mechanism is used to feed materials to the lower U-shaped trough and the upper U-shaped trough.

[0020] Compared with the prior art, the beneficial effects of the present invention are: 1. A reference surface identification device is set up using the center of gravity of the inner ring of the single-side bearing. The device has a compact structure and reliable connection, and can effectively identify the reference surface of the inner ring of the single-side bearing, which provides convenience for many subsequent processing steps.

[0021] 2. When identifying the reference surface of the inner ring of a single-strip bearing, this device can achieve batch identification of the reference surface of the inner ring of the single-strip bearing, avoiding errors caused by manual identification, saving labor costs, reducing processing costs, and greatly improving processing efficiency.

[0022] 3. The lower and upper U-shaped grooves are used to divert the flow of single-sided bearing inner rings with different reference surfaces. The single-sided bearing inner rings with the reference surface facing the left will remain in the upper U-shaped groove, while the single-sided bearing inner rings with the reference surface facing the right will enter the lower U-shaped groove through the guide plate. More specifically, the upper curved support plate is used to guide the single-sided bearing inner rings inside the upper U-shaped groove one by one onto the conveyor belt, and the lower curved support plate is used to guide the single-sided bearing inner rings inside the lower U-shaped groove one by one onto the conveyor belt. Attached Figure Description

[0023] Figure 1 This is a center cross-sectional view of the inner ring of a single-blade bearing; Figure 2 This is a schematic diagram illustrating the automatic identification of the inner ring of a single-blade bearing during the production process. Figure 3 yes Figure 2 Top view of the rectangular notch at the upper middle U-shaped groove; Figure 4 yes Figure 2 Cross-sectional view of the rectangular notch at the upper U-shaped groove; Figure 5 yes Figure 2Enlarged views of the lower curved pallet and the upper curved pallet; Figure 6 yes Figure 2 A cross-sectional view of the inner ring of the single-side flange bearing, near the left side of the upper U-groove, extending to the rectangular notch at the upper U-groove; Figure 7 yes Figure 2 A cross-sectional view of the inner ring of the single-side flange bearing, near the right side of the upper U-groove, extending to the rectangular notch at the upper U-groove; Figure 8 This is a schematic diagram of the installation of the anti-stacking baffle.

[0024] In the diagram: 1-Conveyor belt; 2-Guide plate; 3-Lower U-shaped trough; 4-Upper U-shaped trough; 4.1-Rectangular notch; 4.2-Arc-shaped protrusion; 4.3-Positioning strip; 5-Lower curved support plate; 5.1-Lower arc-shaped anti-fall guard plate; 5.2-Lower tail end guide ramp; 5.3-Lower support plate; 5.4-Lower arc-shaped guide plate; 6-Upper curved support plate; 6.1-Upper arc-shaped anti-fall guard plate; 6.2-Upper tail end guide ramp; 6.3-Upper support plate; 6.4-Upper arc-shaped guide plate; 7-Anti-stacking baffle. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] In the description of this application, if directional descriptions are involved, such as "up," "down," "front," "back," "left," "right," etc., indicating directional or positional relationships, they are based on the appendix. Figure 2 The orientations or positional relationships shown are for the convenience of describing this application and simplifying the description only, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. When a feature is referred to as "set", "fixed", or "connected" to another feature, it can be directly set, fixed, or connected to the other feature, or it can be indirectly set, fixed, or connected to the other feature.

[0027] Please see Figure 1-8The present invention provides the following technical solution: a device for identifying the reference plane of the inner ring of a single-sided bearing using the center of gravity of the bearing, comprising a feeding mechanism and a pushing mechanism, wherein the width of the inner ring of the single-sided bearing is B, the outer diameter with the flange is D, the radius of curvature of the groove is Ri, the radial end face with the flange is used as the reference plane, and the other radial end face without the flange is a non-reference plane, the width between the radial plane where the center of gravity of the inner ring of the single-sided bearing is located and the reference plane of the outer ring of the bearing is Bg, and also includes a conveyor belt 1, wherein the middle section of the conveyor belt 1 is equipped with a single-sided bearing inner ring self-center of gravity identification mechanism.

[0028] Specifically, conveyor belt 1 realizes the transportation after the reference surface of the inner ring of the single-side bearing is identified, and the feeding mechanism and the pushing mechanism complete the feeding of the inner ring of the single-side bearing.

[0029] More specifically, the method of the present invention utilizes the conveyor belt, feeding mechanism, and pushing mechanism in the automatic conveying of any processing step of the inner ring of a single-sided bearing. These conveyor belts, feeding mechanisms, and pushing mechanisms are the basic configurations of existing bearing processing. These mechanisms are used to improve the simple device of the present invention. Therefore, the simple device of the present invention has a simple structure, reliable connection, and can effectively identify the reference surface of the inner ring of the single-sided bearing, providing convenience for many subsequent processing steps.

[0030] The single-side bearing inner ring self-center of gravity identification mechanism includes a guide plate 2, a lower U-shaped groove 3, an upper U-shaped groove 4, a lower curved support plate 5, and an upper curved support plate 6.

[0031] Specifically, the lower U-shaped groove 3 and the upper U-shaped groove 4 are used to split the flow of the inner rings of the single-sided bearing with different reference surfaces. The inner rings of the single-sided bearing with the reference surface facing the left will remain on the upper U-shaped groove 4, while the inner rings of the single-sided bearing with the reference surface facing the right will enter the interior of the lower U-shaped groove 3 through the guide plate 2.

[0032] More specifically, the upper curved support plate 6 is used to guide the inner rings of the single-side bearings on the upper U-shaped groove 4 one by one onto the conveyor belt 1, and the lower curved support plate 5 is used to guide the inner rings of the single-side bearings on the lower U-shaped groove 3 one by one onto the conveyor belt 1.

[0033] The lower U-shaped groove 3 is positioned above the conveyor belt 1 and does not affect the conveying of the inner ring of the single-side bearing on the conveyor belt 1. A cut is provided on the right side of the U-shaped groove 3, and a guide plate 2 with an inclined surface is installed in the cut. An upper U-shaped groove 4 is fixed parallel to the lower U-shaped groove 3. The inner side of the upper U-shaped groove 4 has an arc-shaped protrusion 4.2. The radius R of the arc-shaped protrusion 4.2 is equal to the radius Ri of the groove of the inner ring of the single-side bearing and the center is consistent. The upper U-shaped groove 4 has a rectangular notch 4.1 with a length of A2mm. The distance between the left side of the upper U-shaped groove 4 and the arc-shaped protrusion 4.2 is A1mm.

[0034] Specifically, when the reference plane of the inner ring of the single-sided bearing is close to the left side of the upper U-shaped groove 4, the center of gravity of the inner ring of the single-sided bearing does not deflect and it passes smoothly through the rectangular notch 4.1 before being pushed into the upper curved support plate 6. When the reference plane of the inner ring of the single-sided bearing is close to the right side of the upper U-shaped groove 4, the center of gravity of the inner ring of the single-sided bearing deflects at the rectangular notch 4.1. At this time, it will tilt on the inclined surface of the guide plate 2 and fall into the lower U-shaped groove 3 after passing through the rectangular notch 4.1.

[0035] The lower curved pallet 5 has a lower arc-shaped anti-falling guard plate 5.1, a lower tail end guide plate 5.2, a lower support plate 5.3, and a lower arc-shaped guide plate 5.4. One end of the lower curved pallet 5 is fixed to the tail end of the lower U-shaped groove 3 and is located above the conveyor belt. The other end of the lower curved pallet 5 is fixed with the lower tail end guide plate 5.2. The lower tail end guide plate 5.2 is located directly above the left side of the conveyor belt 1.

[0036] Specifically, the single-sided bearing outer rings in the lower U-shaped groove 3 are pushed one by one into the lower curved support plate 5 by the pushing mechanism. When passing through the lower arc-shaped guide plate 5.4, the single-sided bearing inner rings will tilt so that the reference surface faces upward and are placed on the lower support plate 5.3. They will then fall onto the conveyor belt 1 and be transported out through the lower tail end guide plate 5.2. On the conveyor belt 1, the reference surfaces of the single-sided bearing inner rings are all facing upward, which facilitates the grinding of the outer diameter of D, the grinding of the inner ring groove, the laser marking of the reference surface, and other processing.

[0037] The upper curved pallet 6 has an upper arc-shaped anti-falling guard plate 6.1, an upper tail end guide inclined plate 6.2, an upper support plate 6.3, and an upper arc-shaped guide plate 6.4. One end of the upper curved pallet 6 is fixed to the tail end of the upper U-shaped groove 4, while the other end is fixed with the upper tail end guide inclined plate 6.2. The upper tail end guide inclined plate 6.2 is located directly above the right side of the conveyor belt 1.

[0038] Specifically, when passing through the upper arc-shaped guide plate 6.4, the inner ring of the single-side bearing will tilt so that the reference surface faces upward and is placed on the upper support plate 6.3, and then fall onto the conveyor belt 1 through the upper tail end guide plate 6.2 and be transported out.

[0039] Furthermore, on the inner side between one end and the other end of the curved support plate 5 is a curved anti-falling guard plate 5.1 with a certain curvature, and on the outer side is a curved guide plate 5.4 with a certain curvature.

[0040] Specifically, the lower arc-shaped anti-fall guard plate 5.1 protects the inner ring of the single-side bearing from falling off the lower curved support plate 5 when tilted by passing through the lower arc-shaped guide plate 5.4.

[0041] Furthermore, the length of A2 = D + [reservation x], and the width of A1 = Bg + [reservation y], where [reservation x] ≥ 5mm, [reservation y] ≥ 3mm, the rectangular notch 4.1 corresponds to the inclined surface of the guide plate 2, and the length of A2 is equal to the width of the inclined surface of the guide plate.

[0042] Furthermore, an upper support plate 6.3 with a certain curvature is provided on the inner side between one end and the other end of the upper curved support plate 6, an upper arc-shaped guide plate 6.4 with a certain curvature is provided on the outer side, and an upper arc-shaped anti-falling guard plate 6.1 is provided.

[0043] Specifically, the upper arc-shaped anti-fall guard plate 6.1 protects the inner ring of the single-side bearing from falling off the upper curved support plate 6 when tilting through the upper arc-shaped guide plate 6.4.

[0044] Furthermore, the feeding mechanism is connected to the front end of the rectangular notch 4.1 near the upper U-shaped groove 4.

[0045] Specifically, the feeding mechanism is used for the automatic feeding of the inner ring of a single-sided bearing.

[0046] Furthermore, the pushing mechanism is fitted to the front end of the cut near the lower U-shaped groove 3.

[0047] Specifically, the pushing mechanism allows the inner ring of the single-side bearing to move inside the lower U-shaped groove 3.

[0048] Furthermore, an anti-stacking baffle 7 is provided in the telescopic direction of the conveyor belt 1. The distance between the lower surface of the anti-stacking baffle 7 and the upper surface of the conveyor belt 1 is greater than the height of the inner ring of a single-side bearing and less than the height of the superimposed inner rings of two single-side bearings.

[0049] Specifically, by setting up the anti-stacking baffle 7, the inner ring of the single-side bearing can be effectively prevented from stacking on the upper surface of the conveyor belt 1.

[0050] Furthermore, the discharge port of the feeding mechanism is connected to the front feed port of the upper U-shaped trough 4 through the pushing mechanism, which is used to feed materials to the lower U-shaped trough 3 and the upper U-shaped trough 4.

[0051] Specifically, the feeding mechanism is used to feed material into the upper U-shaped groove 4, and the pushing mechanism is used to push the inner ring of the single-side bearing to move along the inner side of the lower U-shaped groove 3 and the upper U-shaped groove 4.

[0052] In use: When the inner ring of the single-slip bearing runs to the rectangular notch 4.1, the inner ring of the single-slip bearing will have two forms at the rectangular notch 4.1: ① If the reference surface of the inner ring of the single-sided bearing is close to the left side of the upper U-shaped groove 4, since the center of gravity of the inner ring of the single-sided bearing does not shift and it passes smoothly through the rectangular notch 4.1 and is pushed into the upper curved support plate 6, the inner ring of the single-sided bearing will tilt when passing through the upper arc guide plate 6.4, so that the reference surface faces upward and is placed on the upper support plate 6.3 and falls onto the conveyor belt 1 through the upper tail end guide plate 6.2 and is transported out. The upper arc anti-drop guard plate 6.1 protects the inner ring of the single-sided bearing from falling out of the upper curved support plate 6 when it tilts through the upper arc guide plate 6.4.

[0053] ② If the reference surface of the inner ring of the single-sided bearing is close to the right side of the upper U-shaped groove 4, the center of gravity of the inner ring of the single-sided bearing will be deflected at the rectangular notch 4.1. At this time, it will tilt on the inclined surface of the guide plate 2 through the rectangular notch 4.1 and fall into the lower U-shaped groove 3. Then, the pushing mechanism will push the outer ring of the single-sided bearing in the lower U-shaped groove 3 into the lower curved support plate 5 one by one. When passing through the lower arc guide plate 5.4, the inner ring of the single-sided bearing will tilt so that the reference surface is facing upward and placed on the lower support plate 5.3. It will then fall onto the conveyor belt 1 through the lower tail guide inclined plate 5.2 and be transported out. The lower arc anti-drop guard plate 5.1 protects the inner ring of the single-sided bearing from falling out of the lower curved support plate 5 when it tilts through the lower arc guide plate 5.4. The reference surfaces of the inner rings of the single-sided bearings on the conveyor belt 1 are all facing upward, so as to facilitate the grinding of the outer diameter of D, the grinding of the inner ring groove, the laser marking of the reference surface, and other processing.

[0054] In addition to the above explanation, combined with Figure 8 After the reference surface identification of the inner ring of the single-side bearing is completed on the lower curved pallet 5, it is first conveyed to the conveyor belt 1. When the inner ring of the single-side bearing, which has completed the reference surface identification on the upper curved pallet 6, is conveyed to the conveyor belt 1, stacking may occur. To prevent this, an anti-stacking baffle 7 can be set on the conveyor belt 1 behind the upper tail guide sloping plate 6.2. The horizontal distance between the baffle 7 and the conveyor belt 1 is B + (2~5mm) and less than 2*B. This will push the stacked inner ring of the single-side bearing back onto the conveyor belt 1.

[0055] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for identifying a reference plane using the center of gravity of the inner ring of a single-sided bearing, comprising a feeding mechanism and a pushing mechanism, characterized in that: It also includes a conveyor belt (1), and a single-side bearing inner ring self-center of gravity identification mechanism is installed in the middle section of the conveyor belt (1); The single-side bearing inner ring self-center of gravity identification mechanism includes a guide plate (2), a lower U-shaped groove (3), an upper U-shaped groove (4), a lower curved support plate (5), and an upper curved support plate (6). The lower U-shaped groove (3) is set above the conveyor belt (1) and does not affect the transmission of the inner ring of the single-side bearing on the conveyor belt (1). The right side of the U-shaped groove (3) is provided with a cut, and a guide plate (2) with a bevel is installed in the cut. The upper U-shaped groove (4) is fixed parallel above the lower U-shaped groove (3). The inner side of the upper U-shaped groove (4) has an arc-shaped protrusion (4.2). The radius of curvature R of the arc-shaped protrusion (4.2) is equal to the radius of curvature Ri of the inner ring groove of the single-side bearing and the center is consistent. The upper U-shaped groove (4) is provided with a rectangular notch (4.1). The lower curved pallet (5) has a lower arc-shaped anti-falling guard plate (5.1), a lower tail end guide plate (5.2), a lower support plate (5.3) and a lower arc-shaped guide plate (5.4). One end of the lower curved pallet (5) is fixed to the tail end of the lower U-shaped groove (3) and located above the conveyor belt. The other end of the lower curved pallet (5) is fixed with a lower tail end guide plate (5.2). The lower tail end guide plate (5.2) is located directly above the left side of the conveyor belt (1). The upper curved pallet (6) has an upper arc-shaped anti-drop guard plate (6.1), an upper tail end guide plate (6.2), an upper support plate (6.3), and an upper arc-shaped guide plate (6.4). One end of the upper curved pallet (6) is fixed to the tail end of the upper U-shaped groove (4), while the other end is fixed with the upper tail end guide plate (6.2). The upper tail end guide plate (6.2) is located directly above the right side of the conveyor belt (1).

2. The device for identifying the reference plane of a single-sided bearing inner ring using the center of gravity of the bearing according to claim 1, characterized in that: The inner side of the curved support plate (5) between one end and the other end is a curved anti-falling guard plate (5.1) with a certain curvature, and the outer side is a curved guide plate (5.4) with a certain curvature.

3. The device for identifying the reference plane of the inner ring of a single-slip bearing according to claim 1, characterized in that: The length of the rectangular notch (4.1) is A2mm, the distance between the left side of the upper U-shaped groove (4) and the arc-shaped protrusion (4.2) is A1mm, the length of A2 is D+x, and the width of A1 is Bg+y, where x and y are allowances, with allowance x≥5mm and allowance y≥3mm. The rectangular notch (4.1) corresponds to the inclined surface of the guide plate (2), and the length of A2 is equal to the width of the inclined surface of the guide plate. D is the outer diameter of the inner ring of the single-strip bearing with the flange, and Bg is the width between the radial plane where the center of gravity of the inner ring of the single-strip bearing is located and the reference plane of the inner ring of the bearing.

4. The device for identifying the reference plane of a single-sided bearing inner ring using the center of gravity of the bearing according to claim 1, characterized in that: An upper support plate (6.3) with a certain curvature is provided on the inner side between one end and the other end of the upper curved support plate (6), an upper arc-shaped guide plate (6.4) with a certain curvature and an upper arc-shaped anti-falling guard plate (6.1) are provided on the outer side.

5. The device for identifying the reference plane of the inner ring of a single-slip bearing according to claim 1, characterized in that: The feeding mechanism is connected to the front end of the rectangular notch (4.1) near the upper U-shaped groove (4).

6. The device for identifying the reference plane of a single-sided bearing inner ring using the center of gravity of the bearing according to claim 1, characterized in that: The pushing mechanism is fitted at the front end of the cut and near the lower U-shaped groove (3).

7. A device for identifying a reference plane using the center of gravity of the inner ring of a single-side bearing according to any one of claims 1-6, characterized in that: An anti-stacking baffle (7) is provided in the extension direction of the conveyor belt (1). The distance between the lower surface of the anti-stacking baffle (7) and the upper surface of the conveyor belt (1) is greater than the height of the inner ring of a single-side bearing and less than the height of the inner rings of two single-side bearings stacked together.

8. A device for identifying a reference plane using the center of gravity of the inner ring of a single-side bearing according to any one of claims 1-6, characterized in that: The discharge port of the feeding mechanism is connected to the front feed port of the upper U-shaped groove (4) through the pushing mechanism. The pushing mechanism is used to feed materials to the lower U-shaped groove (3) and the upper U-shaped groove (4).

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