CN210968119U - High-precision numerical control conical bearing inner ring flange grinding machine - Google Patents

Abstract

The utility model belongs to the technical field of grinding machines, in particular to a high-precision numerically controlled conical bearing inner ring rib grinding machine. The existing grinding machine is not stable in fixing the conical bearing, which causes the grinding machine to grind the outer ring after finishing the grinding of the inner ring. During grinding, the tapered bearing is offset, which makes it impossible to contact the grinding wheel for grinding, which brings inconvenience to the grinding work of the grinding machine. The following scheme is now proposed, which includes a worktable, and a mounting plate is fixedly connected to the top of the worktable , a horizontal plate is slidably connected to one side of the mounting plate, a drive assembly is fixedly connected to the bottom of the worktable, and a fixed seat is fixedly connected to the top of the drive assembly, and a bearing is placed in the middle of the top of the fixed seat; The utility model has a simple structure, the bearing can be fixed by using two clamping plates, and then the outer ring of the bearing can be precisely ground by the grinding wheel through the cooperation of the driving motor, the rotating motor and the lifting cylinder.

Description

A high-precision CNC tapered bearing inner ring rib grinder

technical field

The utility model relates to the technical field of grinding machines, in particular to a high-precision numerical control conical bearing inner ring rib grinding machine.

Background technique

A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. Most grinding machines use high-speed rotating grinding wheels for grinding, and a few use other abrasive tools such as oilstone, abrasive belts, and free abrasives for processing, such as honing machines, superfinishing machine tools, belt grinding machines, grinding machines and polishing. machine etc.

At present, during the operation of the grinding machine used to process the tapered bearing, due to the unstable fixation of the tapered bearing, when the grinding machine finishes grinding the inner ring and then grinds the outer ring, the tapered bearing is offset, resulting in the inability to Contact grinding with the grinding wheel brings inconvenience to the grinding work of the grinding machine of the tapered bearing, so we propose a high-precision CNC tapered bearing inner ring rib grinding machine to solve the above-mentioned problems.

Utility model content

The purpose of this utility model is to solve the problem in the prior art that the grinding machine is not firmly fixed to the tapered bearing, which causes the tapered bearing to shift when the grinding machine finishes grinding the inner ring and then grinds the outer ring, resulting in the inability to contact the grinding wheel. Grinding, which brings inconvenience to the grinding work of the grinding machine, and a high-precision CNC tapered bearing inner ring rib grinding machine is proposed.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A high-precision numerically controlled conical bearing inner ring rib grinding machine, comprising a worktable, the top of the worktable is fixedly connected with a mounting plate, one side of the mounting plate is slidably connected with a horizontal plate, and the bottom of the worktable is fixedly connected There is a drive assembly, and the top of the drive assembly is fixedly connected with a fixed seat, a bearing is placed on the middle position of the top of the fixed seat, an installation cavity is opened on the fixed seat, and the bottom inner wall of the installation cavity is slidably connected with a symmetrical The tops of the two clamping plates both extend to the top of the fixed seat, the two clamping plates penetrate the inner ring of the bearing and extend to the top of the bearing, and the inner wall of the side of the installation cavity away from each other rotates. A screw is connected, the threads on the two screws are opposite, the ends of the two screws that are close to each other respectively penetrate the two clamping plates and are threadedly connected with the clamping plates, and the same connecting rod is fixedly installed on the side of the two screws that are close to each other. A first bevel gear is sleeved on the outer side of the connecting rod, a drive motor is fixedly connected to the top inner wall of the installation cavity, a second bevel gear is fixedly connected to the output shaft of the drive motor, and the second bevel gear and the first bevel gear are fixedly connected. A bevel gear meshes with each other, two rotating motors symmetrically arranged are fixedly installed on the bottom of the horizontal plate, and a grinding wheel is fixedly connected to the output shaft of the rotating motor, the bearing is located between the two grinding wheels, and the grinding wheel and the bearing The outer side of the mounting plate is attached to each other, and one side of the mounting plate is fixedly installed with a lifting assembly for longitudinal adjustment of the horizontal plate; the bearing can be fixed by using two clamping plates, and then the driving motor, the rotating motor and the lifting cylinder can be used to fix the bearing. In combination, the outer ring of the bearing can be precisely ground with a grinding wheel.

Preferably, the drive assembly includes a brake motor fixedly installed on the top of the workbench, the output shaft of the brake motor is fixedly connected to the bottom of the fixed seat, and the fixed seat can be rotated by the brake motor, and the fixed seat The bearing can be rotated, and the grinding wheel can perform annular grinding on the outside of the bearing.

Preferably, limit bearings are fixedly installed on the inner walls of both sides of the installation cavity, and the ends of the two screws away from each other extend to the inner ring of the limit bearing respectively and are fixedly connected with the inner ring of the limit bearing. Can provide support for screw rotation.

Preferably, a sliding block is fixedly connected to the bottom of the card board, a sliding rail is fixedly installed at the bottom of the installation cavity, and the two sliding blocks are both slidably connected to the sliding rail, and the sliding block and the sliding rail can be used to make the card board move longitudinally no offset will occur.

Preferably, the lifting assembly includes a lifting cylinder fixedly installed on one side of the mounting plate, a sliding plate is fixedly connected to the top of the lifting cylinder, and one side of the sliding plate and one side of the horizontal plate are fixedly connected. When the height of the grinding wheel is adjusted, the lifting cylinder is activated at this time, and the lifting cylinder can adjust the height of the grinding wheel.

In the utility model, when the bearing needs to be ground, the bearing can be sleeved on the two clamping plates and the bottom of the bearing can be in contact with the top of the fixed seat, and then the drive motor is started, and the drive motor passes through the first bevel gear and the second bevel gear. The bevel gear meshes, so it can drive the two screws to rotate, and the screw and the clamping plate are threadedly connected, and the threads on the two screws are opposite, so the two clamping plates can move in the opposite direction. The bearings can be fixed when the sides away from each other are moved.

In the present invention, when the outside of the bearing needs to be ground, the rotating motor can be started at this time to drive the grinding wheel to rotate, and the grinding wheel and the outer ring of the bearing are in contact with each other, so the outer ring of the bearing can be ground. The drive motor can drive the outer ring of the bearing to rotate, so the grinding wheel can perform annular grinding on the outer ring of the bearing, and at the same time, the height of the grinding wheel can be adjusted by using the lifting cylinder, so that the bearing can be tightly ground from bottom to top.

The utility model has a simple structure, the bearing can be fixed by using two clamping plates, and then the outer ring of the bearing can be precisely ground by the grinding wheel through the cooperation of the driving motor, the rotating motor and the lifting cylinder.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of high precision numerical control tapered bearing inner ring rib grinding machine proposed by the utility model;

Fig. 2 is a schematic cross-sectional structure diagram of Fig. 1 of a high-precision numerically controlled conical bearing inner ring rib grinding machine proposed by the utility model;

Fig. 3 is an enlarged structural schematic diagram of part A of a high-precision numerically controlled conical bearing inner ring rib grinding machine proposed by the utility model.

In the picture: 1 worktable, 2 installation plate, 3 horizontal plate, 4 brake motor, 5 fixed seat, 6 installation cavity, 7 clamp plate, 8 screw rod, 9 connecting rod, 10 first bevel gear, 11 drive motor, 12 The second bevel gear, 13 bearings, 14 rotating motors, 15 grinding wheels, 16 lifting cylinders, 17 sliding plates.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Example 1

Referring to Figures 1-3, a high-precision CNC tapered bearing inner ring rib grinding machine includes a worktable 1, the top of the worktable 1 is fixedly connected with a mounting plate 2, and one side of the mounting plate 2 is slidably connected with a horizontal plate 3, which works The bottom of the table 1 is fixedly connected with a driving component, and the top of the driving component is fixedly connected with a fixed seat 5, a bearing 13 is placed on the middle position of the top of the fixed seat 5, and an installation cavity 6 is opened on the fixed seat 5, and the bottom of the installation cavity 6 The inner wall is slidably connected with two symmetrically arranged clamping plates 7 , the tops of the two clamping plates 7 both extend to the top of the fixed seat 5 , and the two clamping plates 7 both penetrate the inner ring of the bearing 13 and extend above the bearing 13 , The inner wall of the side of the installation cavity 6 that is far away from each other is rotatably connected with a screw 8, the threads on the two screws 8 are opposite, and the ends of the two screws 8 that are close to each other respectively penetrate through the two clamping plates 7 and are threadedly connected with the clamping plates 7. The same connecting rod 9 is fixedly installed on the side of the screw 8 that is close to each other. The outer side of the connecting rod 9 is sleeved with a first bevel gear 10. The top inner wall of the installation cavity 6 is fixedly connected with a driving motor 11. The output shaft of the driving motor 11 A second bevel gear 12 is fixedly connected to the top, and the second bevel gear 12 meshes with the first bevel gear 10 . Two symmetrically arranged rotating motors 14 are fixedly installed at the bottom of the horizontal plate 3 , and the output shaft of the rotating motor 14 is fixedly connected. There is a grinding wheel 15, the bearing 13 is located between the two grinding wheels 15, and the grinding wheel 15 and the outer side of the bearing 13 are in contact, one side of the mounting plate 2 is fixedly installed with a lifting component for longitudinal adjustment of the horizontal plate 3; A clamping plate 7 can fix the bearing 13, and then through the cooperation of the driving motor 4, the rotating motor 14 and the lifting cylinder 16, the grinding wheel 15 can be used to precisely grind the outer ring of the bearing 13.

Embodiment 2

A further improvement on the basis of the first embodiment: the drive assembly includes a brake motor 4 fixedly installed on the top of the workbench 1, and the output shaft of the brake motor 4 is fixedly connected to the bottom of the fixed seat 5, and the brake motor 4 can be used to realize The fixed seat 5 is rotated, and the fixed seat 5 can realize the rotation of the bearing 13, and the grinding wheel 15 can perform annular grinding on the outer side of the bearing 13; the inner walls on both sides of the installation cavity 6 are fixedly installed with limited bearings, and two screws 8 The ends that are far away from each other extend to the inner ring of the limit bearing and are fixedly connected with the inner ring of the limit bearing. The limit bearing can provide support for the rotation of the screw 8; A slide rail is fixedly installed at the bottom of the bottom, and the two sliders are both slidably connected to the slide rail. Using the slider and the slide rail, the card board 7 will not be offset when it moves longitudinally; the lifting assembly includes a fixed installation on one side of the mounting plate 2 The top of the lifting cylinder 16 is fixedly connected with a sliding plate 17, and one side of the sliding plate 17 is fixedly connected to one side of the horizontal plate 3. When the height of the grinding wheel 15 needs to be adjusted, the lifting cylinder is activated at this time. 16. The lift cylinder 16 can adjust the height of the grinding wheel 15.

In this embodiment, during use, by improving its structure to a certain extent and adding corresponding functional adaptable components to it, its actual use effect is enhanced. The bearing 13 is sleeved on the two clamping plates 7 and its bottom is in contact with the top of the fixed seat 5, and then the driving motor 11 is started, and the driving motor 11 is meshed with the first bevel gear 10 and the second bevel gear 12, so it can drive the The two screws 8 are rotated, and the screw 8 and the clamping plate 7 are threadedly connected. The threads on the two screws 8 are opposite, so the two clamping plates 7 can be moved in the opposite direction. When the two clamping plates 7 are moving away from each other The bearing 13 can be fixed when the side of the bearing is moved; when the outer side of the bearing 13 needs to be ground, the rotating motor 14 can be started at this time to drive the grinding wheel 15 to rotate, and the grinding wheel 15 and the outer ring of the bearing 13 fit together, Therefore, the outer ring of the bearing 13 can be ground. At this time, the driving motor 4 can be started to drive the outer ring of the bearing 13 to rotate. Therefore, the grinding wheel 15 can perform annular grinding on the outer ring of the bearing 13. At the same time, the lifting cylinder 16 can be used to grind the grinding wheel 15. The height of the bearing can be adjusted so that the bearing 7 can be tightly ground from bottom to top.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. A high-precision numerical control conical bearing inner ring flange grinding machine comprises a workbench (1) and is characterized in that the top of the workbench (1) is fixedly connected with a mounting plate (2), one side of the mounting plate (2) is slidably connected with a transverse plate (3), the bottom of the workbench (1) is fixedly connected with a driving assembly, the top of the driving assembly is fixedly connected with a fixed seat (5), a bearing (13) is placed at the middle position of the top of the fixed seat (5), a mounting cavity (6) is formed in the fixed seat (5), two symmetrically arranged clamping plates (7) are slidably connected onto the inner wall of the bottom of the mounting cavity (6), the tops of the two clamping plates (7) extend to the upper side of the fixed seat (5), the two clamping plates (7) penetrate through the inner ring of the bearing (13) and extend to the upper side of the bearing (13), and the inner wall of one side, far away from each other, of the mounting cavity (6) is rotatably, the threads on the two screw rods (8) are opposite, one ends of the two screw rods (8) close to each other respectively penetrate through the two clamping plates (7) and are in threaded connection with the clamping plates (7), one side of the two screw rods (8) close to each other is fixedly provided with the same connecting rod (9), the outer side of the connecting rod (9) is sleeved with a first bevel gear (10), the inner wall of the top of the mounting cavity (6) is fixedly connected with a driving motor (11), the output shaft of the driving motor (11) is fixedly connected with a second bevel gear (12), the second bevel gear (12) is meshed with the first bevel gear (10), the bottom of the transverse plate (3) is fixedly provided with two rotating motors (14) which are symmetrically arranged, the output shaft of each rotating motor (14) is fixedly connected with a grinding wheel (15), the bearing (13) is positioned between the two grinding wheels (15), and the outer sides of the grinding wheels (15) and the, one side fixed mounting of mounting panel (2) has the lifting unit who is used for carrying out longitudinal adjustment to diaphragm (3).

2. The high-precision numerical control conical bearing inner ring flange grinding machine is characterized in that the driving assembly comprises a band-type brake motor (4) fixedly mounted at the top of the workbench (1), and an output shaft of the band-type brake motor (4) is fixedly connected with the bottom of the fixed seat (5).

3. The high-precision numerical control conical bearing inner ring flange grinding machine according to claim 1, characterized in that limiting bearings are fixedly mounted on the inner walls of the two sides of the mounting cavity (6), and the ends of the two screws (8) far away from each other respectively extend to and are fixedly connected with the inner rings of the limiting bearings.

4. The high-precision numerical control conical bearing inner ring flange grinding machine as claimed in claim 1, wherein a sliding block is fixedly connected to the bottom of the clamping plate (7), a sliding rail is fixedly mounted to the bottom of the mounting cavity (6), and both sliding blocks are slidably connected with the sliding rail.

5. The high-precision numerical control conical bearing inner ring flange grinding machine according to claim 1, characterized in that the lifting assembly comprises a lifting cylinder (16) fixedly installed on one side of the mounting plate (2), a sliding plate (17) is fixedly connected to the top of the lifting cylinder (16), and one side of the sliding plate (17) is fixedly connected to one side of the transverse plate (3).

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