Grinding wheel for inner channel of outer ring of automobile hub bearing

Abstract

The utility model discloses a grinding wheel for an inner channel of an outer ring of an automobile hub bearing, which comprises a grinding wheel mounting seat, and a grinding wheel layer structure is sleeved on the outer side of the grinding wheel mounting seat. The grinding wheel layer main body is sleeved on the grinding wheel mounting seat, the grinding wheel layer main body is positioned through the fixing rings at the upper end and the lower end and the annular convex plate, and the fixing rings at the upper end and the lower end are fixed with the grinding wheel mounting seat through the bolts, so that the grinding wheel layer main body is prevented from deviating, and the abraded and consumed grinding wheel layer main body is convenient to replace; the annular cold water groove is formed in the grinding wheel mounting base, when an inner channel of an outer ring of an automobile hub bearing is ground, the rotating grinding wheel can eject cold water in the annular cold water groove out of the first water outlet groove and the second water outlet groove under the action of centrifugal force, then cooling and heat dissipation can be conducted on the grinding wheel in the grinding process, thermal deformation is relieved, and the grinding efficiency is improved. And the stable grinding process of the hub bearing is ensured.

Description

Technical Field

[0001] This utility model relates to the field of automotive wheel hub bearing processing technology, specifically to a grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing. Background Technology

[0002] The main function of wheel hub bearings is to bear weight and provide precise guidance for the rotation of the wheel hub. They bear both axial and radial loads and are very important components. In the final stage of the machining process, grinding wheels are usually used to ensure that the accuracy and roughness of the bearing's inner and outer circles, grooves and other parts meet the requirements.

[0003] The prior art, disclosed in patent document CN218592723U, presents the following technical solution: a self-aligning roller bearing grinding wheel, comprising a grinding wheel body, a corrosion-resistant layer fixedly connected to the outside of the grinding wheel body, a grinding layer disposed on the outside of the grinding wheel body, several sets of fixed seats fixedly connected to the inner wall of the grinding layer and the outside of the grinding wheel body, a connecting rod fixedly connected to the top of the fixed seat, and a connecting groove provided at the bottom of the fixed seat, wherein the connecting groove and the connecting rod correspond one-to-one, and the connecting groove and the connecting rod form a snap-fit ​​connection.

[0004] The connecting groove and connecting rod in the above technical solution form a snap-fit ​​connection, and the grinding layer is disassembled and replaced by sliding. This makes the grinding layer easy to move on the grinding wheel body, affecting the grinding effect of the bearing. Utility Model Content

[0005] The purpose of this invention is to provide a grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing, including a grinding wheel mounting seat, wherein a grinding wheel layer structure is sleeved on the outer side of the grinding wheel mounting seat.

[0007] The grinding wheel layer structure includes a fixing ring, which is sleeved on the upper and lower ends of the grinding wheel mounting base. An annular protrusion is fixedly connected to the middle of the two opposing ends of the fixing ring. The grinding wheel layer body is sleeved on the outside of the grinding wheel mounting base. Annular grooves are opened at the upper and lower ends of the grinding wheel layer body near the edge. The upper and lower annular protrusions are engaged in the annular grooves. The fixing rings are connected to the grinding wheel layer body around the perimeter by bolts.

[0008] In the above technical solution, the grinding wheel layer body is positioned by the upper and lower fixing rings and the annular convex plate, and the upper and lower fixing rings are fixed to the grinding wheel mounting base by bolts, thereby preventing the grinding wheel layer body from shifting and facilitating the replacement of the worn grinding wheel layer body.

[0009] As a further preferred embodiment of this technical solution, an inner sleeve is fixedly connected to the center end of the grinding wheel mounting base, the inner sleeve is fitted with a rotating shaft, and mounting discs are fitted at the upper and lower ends of the inner sleeve and connected to the middle part of the grinding wheel mounting base by bolts.

[0010] In the above technical solution, the mounting plate is connected to the inner sleeve by bolts, which can be fitted onto the rotating shaft.

[0011] As a further preferred embodiment of this technical solution, an annular cold water tank is provided on one side of the grinding wheel mounting base. The annular cold water tank extends to the lower part of the interior of the grinding wheel mounting base. A top cover is bolted to the top side of the annular cold water tank. An annular sealing groove is provided on the bottom side of the top cover. A sealing ring is embedded in the annular sealing groove. The sealing ring contacts the inner wall of the top side of the annular cold water tank.

[0012] In the above technical solution, the rotating grinding wheel can eject the cold water in the annular cold water tank from the first and second water outlets under the action of centrifugal force, thereby cooling and dissipating heat from the grinding wheel during the grinding process, reducing thermal deformation, and ensuring the stable operation of the wheel hub bearing grinding process.

[0013] As a further preferred embodiment of this technical solution, a water inlet channel is provided at one end of the through hole of the top cover and the sealing ring, and a spiral cap is threaded onto the water inlet channel.

[0014] In the above technical solution, water can be added to the annular cold water tank by unscrewing the screw cap.

[0015] As a further preferred embodiment of this technical solution, a second water outlet groove is provided in the middle of the grooves at the upper and lower ends of the grinding wheel layer body, and the second water outlet groove is arc-shaped.

[0016] As a further preferred embodiment of this technical solution, the inner walls of the upper and lower ends of the annular cold water tank are provided with a water outlet groove in a circular shape, and the water outlet groove is arc-shaped.

[0017] As a further preferred embodiment of this technical solution, the two water outlet tanks, the upper and lower ones, are aligned and arranged to form a clockwise arc shape.

[0018] In the above technical solution, water outlet trough 2 and water outlet trough 1 form a clockwise arc shape, causing the sprayed cold water to splash everywhere, and multiple water outlet troughs 2 and 1 are arranged around the perimeter to improve the cooling effect of the grinding wheel.

[0019] This utility model provides a grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing, which has the following advantages:

[0020] (1) This utility model fits the grinding wheel layer body onto the grinding wheel mounting base, positions the grinding wheel layer body by fixing rings at the upper and lower ends and annular protrusions, and fixes the fixing rings at the upper and lower ends to the grinding wheel mounting base by bolts, thereby preventing the grinding wheel layer body from shifting and facilitating the replacement of worn grinding wheel layer body.

[0021] (2) By setting an annular cold water tank in the grinding wheel mounting seat, when grinding the inner groove of the outer ring of the automobile wheel bearing, the rotating grinding wheel can eject the cold water in the annular cold water tank from the water outlet tank one and the water outlet tank two under the action of centrifugal force, thereby cooling and dissipating heat from the grinding wheel during the grinding process, reducing thermal deformation, and ensuring the stable progress of the wheel bearing grinding process. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a partial cross-sectional view of the present invention;

[0024] Figure 3 This is an exploded view of the grinding wheel layer structure of this utility model;

[0025] Figure 4 This is a cross-sectional view of the grinding wheel layer body and the grinding wheel mounting base of this utility model;

[0026] In the diagram: 1. Grinding wheel mounting base; 11. Inner sleeve; 12. Rotating shaft; 13. Mounting plate; 111. Annular cold water tank; 112. Outlet tank one; 113. Top cover; 114. Annular sealing groove; 115. Sealing ring; 116. Water inlet channel; 117. Screw cap; 2. Grinding wheel layer structure; 21. Fixing ring; 22. Annular convex plate; 23. Grinding wheel layer body; 24. Annular groove; 25. Outlet tank two. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0028] This utility model provides a technical solution: such as Figure 1 and Figure 2 As shown, in this embodiment, the grinding wheel for the inner groove of the outer ring of the automotive wheel hub bearing includes a grinding wheel mounting seat 1. A grinding wheel layer structure 2 is sleeved on the outer side of the grinding wheel mounting seat 1. An inner sleeve 11 is fixedly connected to the center end of the grinding wheel mounting seat 1. A rotating shaft 12 is sleeved inside the inner sleeve 11. Mounting discs 13 are sleeved on the upper and lower ends of the inner sleeve 11 and are connected to the middle part of the grinding wheel mounting seat 1 by bolts.

[0029] like Figure 2 and Figure 3As shown, the grinding wheel layer structure 2 includes a fixing ring 21, which is sleeved on the upper and lower ends of the grinding wheel mounting base 1. An annular protrusion 22 is fixedly connected to the middle of the two opposing ends of the fixing rings 21. The grinding wheel layer body 23 is sleeved on the outer side of the grinding wheel mounting base 1. The inner wall of the grinding wheel layer body 23 is fitted with the inner groove of the outer ring of the automobile wheel hub bearing to enable grinding. An annular groove 24 is provided near the edge at both the upper and lower ends of the grinding wheel layer body 23. The upper and lower annular protrusions 22 are engaged in the annular grooves 24. The fixing rings 21 are connected to the grinding wheel layer body 23 by bolts. By sleeved on the grinding wheel mounting base 1, the grinding wheel layer body 23 is positioned by the fixing rings 21 and the annular protrusions 22 at both ends. The fixing rings 21 at both ends are fixed to the grinding wheel mounting base 1 by bolts, thereby preventing the grinding wheel layer body 23 from shifting and facilitating the replacement of the worn grinding wheel layer body 23.

[0030] like Figure 2 and Figure 4 As shown, an annular cold water tank 111 is provided on one side of the grinding wheel mounting base 1. The annular cold water tank 111 extends to the lower part of the interior of the grinding wheel mounting base 1. A top cover 113 is bolted to the top side of the annular cold water tank 111. An annular sealing groove 114 is provided on the bottom side of the top cover 113. A sealing ring 115 is embedded in the annular sealing groove 114. The sealing ring 115 contacts the inner wall of the top side of the annular cold water tank 111. A water inlet channel 116 is provided at one end of the through hole of the top cover 113 and the sealing ring 115. A screw cap 117 is threaded onto the water inlet channel 116. A second water outlet groove 25 is provided in a circular pattern in the middle of the grooves at the upper and lower ends of the grinding wheel layer body 23. 25 is arc-shaped. The inner walls of the upper and lower ends of the annular cold water tank 111 are circumferentially provided with water outlet groove 112. Water outlet groove 112 is arc-shaped. The upper and lower water outlet grooves 25 and water outlet groove 112 are aligned and form a clockwise arc. By setting the annular cold water tank 111 in the grinding wheel mounting seat 1, when grinding the inner groove of the outer ring of the automobile wheel hub bearing, the rotating grinding wheel can eject the cold water in the annular cold water tank 111 from water outlet groove 112 and water outlet groove 25 under the action of centrifugal force. This can cool and dissipate heat from the grinding wheel during the grinding process, reduce thermal deformation, and ensure the stable operation of the wheel hub bearing grinding process.

[0031] This utility model provides a grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing. The specific working principle is as follows: When grinding the inner groove of the outer ring of an automotive wheel hub bearing, the inner wall of the annular cold water tank 23 of the grinding wheel layer body is made to fit the groove for grinding. During rotation, due to centrifugal force, the cold water stored in the annular cold water tank 111 is ejected through the first water outlet 112 and the second water outlet 25 to cool and dissipate heat from the grinding wheel and reduce thermal deformation. When it is necessary to replace the worn grinding wheel layer body 23, first remove the bolts between the fixing ring 21 and the grinding wheel mounting seat 1, and then remove the fixing rings 21 at the upper and lower ends. The grinding wheel layer body 23 can then be removed from the outside of the grinding wheel mounting seat 1 for replacement.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing, comprising a grinding wheel mounting base (1), characterized in that: The grinding wheel mounting base (1) is fitted with a grinding wheel layer structure (2) on its outer side; The grinding wheel layer structure (2) includes a fixing ring (21), which is sleeved on the upper and lower ends of the grinding wheel mounting base (1). An annular convex plate (22) is fixedly connected to the middle of the two opposing ends of the fixing rings (21). The grinding wheel layer body (23) is sleeved on the outside of the grinding wheel mounting base (1). An annular groove (24) is provided at the upper and lower ends of the grinding wheel layer body (23) near the edge. The upper and lower annular convex plates (22) are engaged in the annular groove (24). The fixing ring (21) is connected to the grinding wheel layer body (23) around its perimeter by bolts.

2. The grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing according to claim 1, characterized in that: The grinding wheel mounting base (1) is fixedly connected to the center end of an inner sleeve (11), and a rotating shaft (12) is fitted inside the inner sleeve (11). Mounting discs (13) are fitted at the upper and lower ends of the inner sleeve (11) and are connected to the middle part of the grinding wheel mounting base (1) by bolts.

3. The grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing according to claim 1, characterized in that: An annular cold water tank (111) is provided on one side of the grinding wheel mounting base (1). The annular cold water tank (111) extends to the lower part of the interior of the grinding wheel mounting base (1). A top cover (113) is bolted to the top side of the annular cold water tank (111). An annular sealing groove (114) is provided on the bottom side of the top cover (113). A sealing ring (115) is embedded in the annular sealing groove (114). The sealing ring (115) contacts the inner wall of the top side of the annular cold water tank (111).

4. The grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing according to claim 3, characterized in that: A water inlet channel (116) is provided at one end of the top cover (113) and the sealing ring (115), and a screw cap (117) is threaded onto the water inlet channel (116).

5. The grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing according to claim 1, characterized in that: The grinding wheel layer body (23) has a water outlet groove (25) in the middle of the groove at the upper and lower ends, and the water outlet groove (25) is arc-shaped.

6. The grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing according to claim 3, characterized in that: The annular cold water tank (111) has a water outlet groove (112) on the inner wall of its upper and lower ends, and the water outlet groove (112) is arc-shaped.

7. The grinding wheel for the inner groove of the outer ring of an automotive wheel hub bearing according to claim 5, characterized in that: The two water outlet channels 2 (25) and 1 (112) are aligned and arranged to form a clockwise arc.

Images