Bearing inner ring inner hole grinding equipment

Abstract

The utility model relates to the technical field of bearing machining, in particular to bearing inner ring inner hole grinding equipment which comprises a machine frame, a mounting frame, a driving motor, a motor base, a bearing base, a rotating shaft, a fixing box, a micro motor, a first clamping plate, a second clamping plate, a bidirectional threaded rod, an adjusting assembly and a polishing assembly. Due to the fact that the two-way threaded rod is provided with threads with opposite rotating directions, the first clamping plate and the second clamping plate can move oppositely till the inner ring of the bearing is clamped, then the driving motor is started to drive the fixing box at one end of the rotating shaft to rotate, mechanical jumping of the rotating shaft can be avoided through the bearing seat, and normal rotation of the fixing box is guaranteed; the adjusting assembly is used for driving the grinding assembly to be close to the bearing inner ring so as to conduct grinding operation, the bearing inner ring is fixed in this way, workers can conduct grinding operation conveniently, and the workload of the workers is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing processing, in particular to a grinding device for the inner hole of a bearing inner ring. Background Technique

[0002] The bearing inner ring is an annular component of the bearing. Usually located within the balls or rollers, it mates with the shaft. It rotates on the shaft by contacting the rolling elements and bears and transmits axial and radial loads. The main function of the inner ring is to mate with the shaft so that the bearing can support the rotating shaft and the parts on the shaft, and maintain the normal working position and rotational accuracy of the shaft. In a rolling bearing, the inner ring is one of the components, and together with other parts such as the outer ring, rolling elements, and cage, it jointly reduces frictional losses and supports the rotation of the shaft.

[0003] The existing bearing inner rings need to be polished on the inner hole to improve the surface accuracy and quality of the inner wall before they can be mated with the rotating shaft.

[0004] Currently, the fixation of the bearing inner ring is rather troublesome, which is not convenient for grinding the inner hole of the inner ring and is likely to increase the workload of the staff. Content of the Utility Model

[0005] The purpose of the utility model is to provide a grinding device for the inner hole of a bearing inner ring, aiming to solve the problems that the current fixation of the bearing inner ring is rather troublesome, it is not convenient for grinding the inner hole of the inner ring, and it is likely to increase the workload of the staff.

[0006] To achieve the above object, the utility model provides a grinding device for the inner hole of a bearing inner ring, which includes a frame, a mounting frame, a driving motor, a motor base, a bearing seat, a rotating shaft, a fixed box, a micro motor, a first clamping plate, a second clamping plate, a bidirectional threaded rod, an adjusting component and a grinding component. The mounting frame is fixedly connected to the frame and is located above the frame. The motor base is fixedly connected to the mounting frame and is located above the mounting frame. The driving motor is fixedly connected to the motor base and is located above the motor base. The bearing seat is fixedly connected to the mounting frame and is located above the mounting frame. The rotating shaft is fixedly connected to the driving motor and is located at the output end of the driving motor. The rotating shaft is rotatably connected to the bearing seat and is located on the inner side wall of the bearing seat. The fixed box is fixedly connected to the rotating shaft and is located at the end of the rotating shaft away from the driving motor. The micro motor is fixedly connected to the fixed box and is located on the inner side wall of the fixed box. One end of the bidirectional threaded rod is rotatably connected to the fixed box and is located on the inner side wall of the fixed box. The other end of the bidirectional threaded rod is fixedly connected to the micro motor and is located at the output end of the micro motor. The first clamping plate and the second clamping plate are respectively threadedly connected to the bidirectional threaded rod and are respectively located on the outer side wall of the bidirectional threaded rod. And the first clamping plate and the second clamping plate are respectively slidably matched with the fixed box. The grinding component is arranged above the frame, and the adjusting component is arranged between the frame and the grinding component.

[0007] Among them, the adjusting component includes a track plate, a sliding seat, a lead screw and a side plate. The track plate is fixedly connected to the frame and is located above the frame. The sliding seat is slidably connected to the track plate and is located above the track plate. The side plate is fixedly connected to the track plate and is located on one side of the track plate. The side plate and the sliding seat respectively have a first threaded hole, and the first threaded hole is rotatably matched with the lead screw.

[0008] Among them, the adjusting component further includes a rotating rudder, and the rotating rudder is fixedly connected to the lead screw and is located at one end of the lead screw.

[0009] Among them, the grinding component includes a grinding wheel, a pressing plate, a fixing column, a mounting plate and a locking bolt. The mounting plate is fixedly connected to the sliding seat and is located above the sliding seat. The fixing column is fixedly connected to the mounting plate and is located on one side of the mounting plate. The grinding wheel is arranged on one side of the fixing column. The pressing plate is detachably connected to the grinding wheel and is located on one side of the grinding wheel. The pressing plate and the fixing column respectively have a second threaded hole, and the second threaded hole is threadedly matched with the locking bolt. The locking bolt penetrates through the grinding wheel.

[0010] Wherein, the grinding assembly further includes a reinforcing rib. One end of the reinforcing rib is fixedly connected to the mounting plate and is located on one side of the mounting plate. The other end of the reinforcing rib is fixedly connected to the fixing column and is located on the outer side wall of the fixing column.

[0011] For a bearing inner ring inner hole grinding device of the present utility model, first place the bearing inner ring on one side of the fixed box, start the micro motor to drive the bidirectional threaded rod to rotate. Since the bidirectional threaded rod has threads with opposite helical directions, the first clamping plate and the second clamping plate will move towards each other until the bearing inner ring is clamped. Then start the driving motor to drive the fixed box at one end of the rotating shaft to rotate. The bearing seat can prevent the rotating shaft from having mechanical runout and ensure the normal rotation of the fixed box. Use the adjusting assembly to drive the grinding assembly close to the bearing inner ring to perform grinding operations in this way. Fixing the bearing inner ring in this manner facilitates the staff to carry out grinding operations and effectively reduces the workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0013] Figure 1 is a schematic structural diagram of the bearing inner ring inner hole grinding device of the present utility model.

[0014] Figure 2 is a cross-sectional view of the bearing inner ring inner hole grinding device of the present utility model.

[0015] Figure 3 is a front view of the bearing inner ring inner hole grinding device of the present utility model.

[0016] Figure 4 is of the present utility model Figure 3 A-A line cross-sectional view of

[0017] 101 - Frame, 102 - Mounting frame, 103 - Driving motor, 104 - Motor seat, 105 - Bearing seat, 106 - Rotating shaft, 107 - Fixed box, 108 - Micro motor, 109 - First clamping plate, 110 - Second clamping plate, 111 - Bidirectional threaded rod, 112 - Track plate, 113 - Slide seat, 114 - Lead screw, 115 - Side plate, 116 - Rotating rudder, 117 - Grinding wheel, 118 - Pressing plate, 119 - Fixing column, 120 - Mounting plate, 121 - Locking bolt, 122 - Reinforcing rib, 123 - First threaded hole, 124 - Second threaded hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Please refer to Figures 1 to 4 , wherein,Figure 1 It is a schematic structural diagram of the inner hole grinding equipment for the bearing inner ring of the present utility model. Figure 2 It is a sectional view of the inner hole grinding equipment for the bearing inner ring of the present utility model. Figure 3 It is a front view of the inner hole grinding equipment for the bearing inner ring of the present utility model. Figure 4 It is of the present utility model Figure 3 A-A line sectional view.

[0019] The present utility model provides an inner hole grinding equipment for a bearing inner ring, including a frame 101, a mounting frame 102, a driving motor 103, a motor base 104, a bearing seat 105, a rotating shaft 106, a fixed box 107, a micro motor 108, a first clamping plate 109, a second clamping plate 110, a bidirectional threaded rod 111, an adjusting assembly and a grinding assembly. The adjusting assembly includes a track plate 112, a sliding seat 113, a lead screw 114, a side plate 115 and a rotating rudder 116. The grinding assembly includes a grinding wheel 117, a pressing plate 118, a fixing column 119, a mounting plate 120, a locking bolt 121 and a reinforcing rib 122. The side plate 115 and the sliding seat 113 respectively have a first threaded hole 123, and the pressing plate 118 and the fixing column 119 respectively have a second threaded hole 124.

[0020] The mounting frame 102 is fixedly connected to the frame 101 and is located above the frame 101. The motor base 104 is fixedly connected to the mounting frame 102 and is located above the mounting frame 102. The driving motor 103 is fixedly connected to the motor base 104 and is located above the motor base 104. The bearing seat 105 is fixedly connected to the mounting frame 102 and is located above the mounting frame 102. The rotating shaft 106 is fixedly connected to the driving motor 103 and is located at the output end of the driving motor 103. The rotating shaft 106 is rotatably connected to the bearing seat 105 and is located on the inner side wall of the bearing seat 105. The fixed box 107 is fixedly connected to the rotating shaft 106 and is located at the end of the rotating shaft 106 away from the driving motor 103. The micro motor 108 is fixedly connected to the fixed box 107 and is located on the inner side wall of the fixed box 107. One end of the bidirectional threaded rod 111 is rotatably connected to the fixed box 107 and is located on the inner side wall of the fixed box 107. The other end of the bidirectional threaded rod 111 is fixedly connected to the micro motor 108 and is located at the output end of the micro motor 108. The first clamping plate 109 and the second clamping plate 110 are respectively threadedly connected to the bidirectional threaded rod 111 and are respectively located on the outer side wall of the bidirectional threaded rod 111, and the first clamping plate 109 and the second clamping plate 110 are respectively slidably matched with the fixed box 107. The grinding assembly is arranged above the frame 101, and the adjusting assembly is arranged between the frame 101 and the grinding assembly.

[0021] In this embodiment, first place the inner ring of the bearing on one side of the fixed box 107, start the micro motor 108 to drive the rotation of the bidirectional threaded rod 111. Since the bidirectional threaded rod 111 has threads with opposite helical directions, the first clamping plate 109 and the second clamping plate 110 will move towards each other until the inner ring of the bearing is clamped. Then start the drive motor 103 to drive the rotation of the fixed box 107 at one end of the rotating shaft 106. The bearing seat 105 can prevent the rotating shaft 106 from experiencing mechanical runout and ensure the normal rotation of the fixed box 107. Use the adjustment component to drive the grinding component close to the inner ring of the bearing to perform grinding operations in this way. Fixing the inner ring of the bearing in this manner facilitates the staff to carry out grinding operations and effectively reduces the workload of the staff.

[0022] Furthermore, the track plate 112 is fixedly connected to the frame 101 and is located above the frame 101. The sliding seat 113 is slidably connected to the track plate 112 and is located above the track plate 112. The side plate 115 is fixedly connected to the track plate 112 and is located on one side of the track plate 112. The side plate 115 and the sliding seat 113 respectively have first threaded holes 123, and the first threaded holes 123 are rotationally matched with the lead screw 114.

[0023] In this embodiment, rotate the lead screw 114, and use the characteristics of the thread to drive the sliding seat 113 to move on the track plate 112, adjusting the grinding component close to the inner ring of the bearing to facilitate the staff to carry out grinding operations.

[0024] Furthermore, the rotating handle 116 is fixedly connected to the lead screw 114 and is located at one end of the lead screw 114.

[0025] In this embodiment, the rotating handle 116 is used to facilitate the staff to rotate the lead screw 114 and improve the practicality of the lead screw 114.

[0026] Furthermore, the mounting plate 120 is fixedly connected to the sliding seat 113 and is located above the sliding seat 113. The fixed column 119 is fixedly connected to the mounting plate 120 and is located on one side of the mounting plate 120. The grinding wheel 117 is arranged on one side of the fixed column 119. The pressing plate 118 is detachably connected to the grinding wheel 117 and is located on one side of the grinding wheel 117. The pressing plate 118 and the fixed column 119 respectively have second threaded holes 124, and the second threaded holes 124 are threadedly matched with the locking bolts 121. The locking bolts 121 penetrate through the grinding wheel 117.

[0027] In this embodiment, the grinding wheel 117 is placed on one side of the fixed column 119. The locking bolt 121 is passed through the grinding wheel 117, and then the locking bolt 121 is tightened to fix the grinding wheel 117 with the pressing plate 118, facilitating the staff to carry out grinding and improving the efficiency and quality of grinding.

[0028] Further, one end of the reinforcing rib 122 is fixedly connected to the mounting plate 120 and is located on one side of the mounting plate 120. The other end of the reinforcing rib 122 is fixedly connected to the fixed column 119 and is located on the outer side wall of the fixed column 119.

[0029] In this embodiment, the reinforcing rib 122 can share the pressure borne by the fixed column 119, improve the connectivity between the fixed column 119 and the mounting plate 120, and avoid the situation of root fracture during use.

[0030] The above-disclosed is only a preferred embodiment of the present application, and it cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A grinding device for the inner hole of a bearing inner ring, characterized in that it includes a frame, a mounting frame, a driving motor, a motor base, a bearing seat, a rotating shaft, a fixed box, a micro motor, a first clamping plate, a second clamping plate, a bidirectional threaded rod, an adjusting component and a grinding component. The mounting frame is fixedly connected to the frame and is located above the frame. The motor base is fixedly connected to the mounting frame and is located above the mounting frame. The driving motor is fixedly connected to the motor base and is located above the motor base. The bearing seat is fixedly connected to the mounting frame and is located above the mounting frame. The rotating shaft is fixedly connected to the driving motor and is located at the output end of the driving motor. The rotating shaft is rotatably connected to the bearing seat and is located on the inner side wall of the bearing seat. The fixed box is fixedly connected to the rotating shaft and is located at the end of the rotating shaft away from the driving motor. The micro motor is fixedly connected to the fixed box and is located on the inner side wall of the fixed box. One end of the bidirectional threaded rod is rotatably connected to the fixed box and is located on the inner side wall of the fixed box. The other end of the bidirectional threaded rod is fixedly connected to the micro motor and is located at the output end of the micro motor. The first clamping plate and the second clamping plate are respectively threadedly connected to the bidirectional threaded rod and are respectively located on the outer side wall of the bidirectional threaded rod. And the first clamping plate and the second clamping plate are respectively slidably matched with the fixed box. The grinding component is arranged above the frame, and the adjusting component is arranged between the frame and the grinding component.

2. The grinding device for the inner hole of a bearing inner ring according to claim 1, characterized in that the adjusting component includes a track plate, a sliding seat, a lead screw and a side plate. The track plate is fixedly connected to the frame and is located above the frame. The sliding seat is slidably connected to the track plate and is located above the track plate. The side plate is fixedly connected to the track plate and is located on one side of the track plate. The side plate and the sliding seat respectively have a first threaded hole, and the first threaded hole is rotationally matched with the lead screw.

3. The grinding device for the inner hole of a bearing inner ring according to claim 2, characterized in that the adjusting component further includes a rotating rudder, and the rotating rudder is fixedly connected to the lead screw and is located at one end of the lead screw.

4. The grinding device for the inner hole of a bearing inner ring according to claim 3, characterized in that the grinding component includes a grinding wheel, a pressing plate, a fixed column, a mounting plate and a locking bolt. The mounting plate is fixedly connected to the sliding seat and is located above the sliding seat. The fixed column is fixedly connected to the mounting plate and is located on one side of the mounting plate. The grinding wheel is arranged on one side of the fixed column. The pressing plate is detachably connected to the grinding wheel and is located on one side of the grinding wheel. The pressing plate and the fixed column respectively have a second threaded hole, and the second threaded hole is threadedly matched with the locking bolt. The locking bolt penetrates through the grinding wheel.

5. The grinding device for the inner hole of a bearing inner ring according to claim 4, characterized in that The grinding assembly further includes a reinforcing rib. One end of the reinforcing rib is fixedly connected to the mounting plate and is located on one side of the mounting plate. The other end of the reinforcing rib is fixedly connected to the fixing column and is located on the outer sidewall of the fixing column.

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