Bearing inner ring polishing mechanism
By designing a bearing inner ring grinding mechanism, bidirectional pressure grinding of the bearing inner ring is achieved, solving the problem of unstable force, improving the stability and precision of grinding, and adapting to the needs of different inner diameter sizes.
Patent Information
- Application Number
- CN202520390987.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Existing bearing inner ring grinding mechanisms are prone to unstable stress during use, resulting in poor grinding quality.
A bearing inner ring grinding mechanism is adopted. Through the cooperation of slider, moving plate, adjustment mechanism, grinding component and three-jaw chuck, bidirectional pressure grinding is achieved. The motor drives the lead screw to rotate, so that the right angle curved plate moves synchronously, driving the grinding component to accurately adjust the spacing. The position distribution of the three-jaw chuck ensures that the bearing inner ring is subjected to uniform force during the grinding process.
It improves the stability and precision of grinding, reduces damage to the bearing inner ring caused by unilateral pressure, adapts to the needs of bearing inner rings with different inner diameters, and ensures grinding quality and efficiency.
Smart Images
Figure CN223876664U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing polishing technical field, concretely is a bearing inner race polishing mechanism. BACKGROUND
[0002] Bearing is an important spare part in contemporary mechanical equipment, its main function is the sliding friction between the shaft and the shaft seat of operation is changed into the rolling friction, thereby reducing the friction loss of a kind of precision mechanical element, bearing is generally composed of inner race, outer race, rolling body and retainer four parts, among them, the inner race of bearing needs to be polished before being put into assembly and used.
[0003] At present, the existing polishing mechanism usually fixes the bearing inner race on the rotating equipment, makes it rotate at high speed, and promotes the surface of bearing to be polished by contact polishing facility, but the existing polishing facility only contacts with the bearing inner race by single head, and due to the need of polishing to exert certain pressure, so that the rotating bearing is prone to unstable stress condition. UTILITY MODEL CONTENTS
[0004] In order to solve the problem that the existing polishing mechanism is not stable enough, the utility model provides a bearing inner race polishing mechanism.
[0005] In view of the above problems, the technical scheme provided by the utility model is:
[0006] A bearing inner race polishing mechanism, including workbench, the top surface of the workbench is provided with a sliding slot, the inside of the sliding slot is slidably connected with a sliding block, the top end of the sliding block is provided with a moving plate, one side of the moving plate is provided with an adjusting mechanism, the adjusting mechanism includes a shell, the outer wall of the moving plate is installed with a shell, the inside of the shell is rotatably connected with a lead screw, the two sides of the lead screw are respectively provided with threads with opposite rotation directions, the lead screw is respectively threadedly connected with a right angle bent plate through threads with opposite rotation directions, the two sides of the shell are respectively provided with square openings which are slidably connected with two right angle bent plates, one end of the two right angle bent plates is respectively extended to the outside of the shell and connected with a polishing assembly, the outer wall of the shell is installed with a motor, the output end of the motor is drivingly connected with one end of the lead screw, one side of the workbench is rotatably connected with a three-jaw chuck, the three-jaw chuck is located on the axis line at the center position of the two polishing assemblies.
[0007] Further, the three-jaw chuck includes a chuck body, one side of the chuck body is slidably connected with a clamping jaw.
[0008] The beneficial effects of the above further scheme are that the synchronous movement of the three clamping jaws can firmly clamp the bearing inner race, wherein the clamping modes are expansion clamping and gathering clamping respectively, which ensures that the bearing inner race does not displace during polishing and guarantees the polishing quality.
[0009] Further, the inner wall of the clamping jaw is adhered with a pad strip, and the outer wall of the clamping jaw is adhered with a pad piece.
[0010] The beneficial effect of the above further scheme is that the use of the pad strip can improve the stability of the gathering clamping, the use of the pad piece can improve the stability of the expansion clamping, and the use of the pad strip and the pad piece can reduce the extrusion damage to the bearing inner ring.
[0011] Further, the sliding block comprises a block body, one side of the block body is provided with a threaded hole, a threaded rod is screwed in the threaded hole, and the threaded rod is rotationally connected in the sliding groove.
[0012] The beneficial effect of the above further scheme is that rotating the threaded rod can make the block body move smoothly in the sliding groove, the movement distance of the sliding block can be accurately controlled by controlling the rotation number of the threaded rod, so that the position of the polishing assembly can be accurately adjusted.
[0013] Further, the block body is connected with the bottom end of the moving plate through bolts penetratingly connected on both sides of the top surface of the block body.
[0014] The beneficial effect of the above further scheme is that the stability of the connection between the sliding block and the moving plate is ensured, and the moving plate and the components thereon can be easily disassembled and replaced when needed.
[0015] Further, a crank handle is rotationally connected to the outer wall of the workbench, and one side of the crank handle is connected with one end of the threaded rod.
[0016] The beneficial effect of the above further scheme is that the threaded rod can be easily driven to rotate by rotating the crank handle, and the movement of the sliding block can be controlled, which is simple and convenient to operate and is suitable for fine-tuning the polishing position in different scenes.
[0017] Further, the polishing assembly comprises a fixed plate, one side of the right-angle bent plate is connected with the fixed plate, triangular blocks are installed on both sides of the fixed plate, and polishing layers are arranged on the outer walls of the two triangular blocks.
[0018] The beneficial effect of the above further scheme is that the triangular block has stable structure, the polishing layers on the outer walls of the triangular block can increase the contact area with the bearing inner ring and improve the polishing efficiency, and the shape design of the triangular block helps to disperse the polishing force, so that the polishing process is more stable.
[0019] Compared with the prior art, the beneficial effect of the present application is:
[0020] The bearing inner ring polishing mechanism, through the cooperation of the sliding block, the moving plate, the adjusting mechanism, the polishing assembly and the three-jaw chuck, can realize bidirectional pressure polishing of the bearing inner ring, thereby reducing damage to the bearing inner ring caused by unilateral pressure, wherein the motor drives the screw rod to rotate, and since the thread directions of the screw rod on both sides are opposite, the two right-angle bent plates can synchronously move in opposite directions or away from each other, thereby driving the polishing assembly to accurately adjust the spacing, so that the bearing inner ring polishing demand of different inner diameter sizes can be met, and through the symmetrical movement on both sides, the bearing inner ring is always uniformly stressed, thereby ensuring the stability of polishing. The sliding block slides in the sliding groove of the workbench, drives the moving plate and the adjusting mechanism and the polishing assembly thereon to move integrally, facilitates adjustment of the relative position of the polishing assembly and the bearing inner ring on the three-jaw chuck, and makes the polishing operation more accurate. Through the position distribution of the three-jaw chuck, the bearing inner ring can be ensured to be in the center position during polishing, so that the polishing assembly uniformly polishes the bearing inner ring, and the polishing precision is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 A three-dimensional schematic view of the bearing inner ring polishing mechanism is provided in the utility model.
[0022] Figure 2 A three-jaw chuck structure schematic view of the bearing inner ring polishing mechanism is provided in the utility model.
[0023] Figure 3 A sliding block structure schematic view of the bearing inner ring polishing mechanism is provided in the utility model.
[0024] Figure 4 A sectional view of the adjusting mechanism of the bearing inner ring polishing mechanism is provided in the utility model.
[0025] Figure 5 A polishing assembly unfolded schematic view of the bearing inner ring polishing mechanism is provided in the utility model.
[0026] In the drawing: 100, workbench; 200, three-jaw chuck; 2001, chuck body; 2002, clamping jaw; 2003, gasket; 2004, gasket strip; 300, sliding block; 3001, block; 3002, screw hole; 3003, bolt; 400, moving plate; 500, adjusting mechanism; 5001, shell; 5002, screw rod; 5003, motor; 5004, right-angle bent plate; 600, polishing assembly; 6001, fixed plate; 6002, triangular block; 6003, polishing layer; 700, threaded rod; 800, crank. DETAILED DESCRIPTION
[0027] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0028] Please refer to Figures 1-5The utility model provides a technical scheme: a bearing inner race grinding mechanism, including work table 100, the top surface of work table 100 is equipped with the sliding slot, the inside sliding connection of sliding slot has the sliding block 300, the top of sliding block 300 is equipped with moving plate 400, the one side of moving plate 400 is equipped with adjusting mechanism 500, adjusting mechanism 500 includes shell 5001, the outer wall of moving plate 400 installs shell 5001, the inside rotation of shell 5001 is connected with lead screw 5002, the both sides of lead screw 5002 are provided with the thread of opposite rotation respectively, and the straight angle bent plate 5004 is respectively connected with the thread of opposite rotation through the thread of opposite rotation of lead screw 5002, and the both sides of shell 5001 are equipped with the square mouth of sliding with two straight angle bent plate 5004 respectively, and one end of two straight angle bent plate 5004 extends to the outside of shell 5001 respectively and is connected with grinding assembly 600, and the outer wall of shell 5001 is installed with motor 5003, and the output end of motor 5003 is transmission connection with one end of lead screw 5002, and the one side rotation of work table 100 is connected with three jaw chuck 200, and three jaw chuck 200 is located on the axis line of the center position of two grinding assemblies 600, and the rotation of lead screw 5002 is driven by motor 5003, because the thread of opposite rotation of lead screw 5002, can make two straight angle bent plate 5004 synchronous do the motion of opposite or opposite, thereby drive grinding assembly 600 accurate adjustment interval, can adapt to the bearing inner race grinding demand of different inner diameter size, and through the symmetrical activity of both sides, make the bearing inner race always force uniform, thereby guarantee the stability of polishing. Sliding block 300 slides in the sliding slot of work table 100, drives moving plate 400 and the overall movement of adjusting mechanism 500 and grinding assembly 600 on it, is convenient for adjusting the relative position of grinding assembly 600 and three jaw chuck 200 bearing inner race, makes the polishing operation more accurate. Through the position distribution of three jaw chuck 200, can guarantee that the bearing inner race is in the center position in the polishing process, makes grinding assembly 600 to bearing inner race and carries out even polishing, improves the polishing accuracy, and grinding assembly 600 includes fixed plate 6001, and one side of straight angle bent plate 5004 is connected with fixed plate 6001, and the both sides of fixed plate 6001 are installed with triangular block 6002 respectively, and the outer wall of two triangular blocks 6002 is equipped with polishing layer 6003 respectively, and the structure of triangular block 6002 is stable, and the polishing layer 6003 of its outer wall can increase the contact area with bearing inner race, improve the polishing efficiency, and the shape design of triangular block 6002 helps to disperse the polishing force, makes the polishing process more stable.
[0029] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0030] As an embodiment of the utility model, further, three claw chuck 200 includes chuck body 2001, one side of chuck body 2001 is slidably connected with clamping jaw 2002, and three clamping jaws 2002 can be firmly clamped to bearing inner ring by synchronous movement, wherein the clamping mode is expansion type clamping and gathering type clamping respectively, ensure that bearing inner ring does not displace during polishing, guarantee polishing quality, the inner wall of clamping jaw 2002 is adhered with gasket 2003, the outer wall of clamping jaw 2002 is adhered with gasket 2004, by the adhesion use of gasket 2003, it can improve the stability of gathering type clamping, by the adhesion use of gasket 2004, it can improve the stability of expansion type clamping, simultaneously, the adhesion use of gasket 2003 and gasket 2004 can reduce the extrusion damage to bearing inner ring.
[0031] As an embodiment of the utility model, further, sliding block 300 includes block body 3001, one side of block body 3001 is provided with screw hole 3002, screw hole 3002 is screw threadedly connected with threaded rod 700, threaded rod 700 is rotatably connected in the sliding slot, and rotating threaded rod 700 can make block body 3001 move stably in the sliding slot, the moving distance of sliding block 300 can be accurately controlled by controlling the rotating number of threaded rod 700, so as to realize the accurate adjustment of the position of polishing assembly 600, the top surface of block body 3001 is respectively connected with bolt 3003, and block body 3001 is connected with the bottom end of moving plate 400 through bolt 3003, which guarantees the stability of the connection between sliding block 300 and moving plate 400, and facilitates the disassembly and replacement of moving plate 400 and components thereon when needed.
[0032] As an embodiment of the utility model, further, the outer wall of workbench 100 is rotatably connected with crank 800, one side of crank 800 is connected with one end of threaded rod 700, threaded rod 700 is easily driven to rotate by rotating crank 800, and then the movement of sliding block 300 is controlled, which is simple and convenient to operate and is suitable for fine adjustment of polishing position in different scenes.
[0033] Specifically, the working principle of the bearing inner ring polishing mechanism is as follows: in use, first, the bearing inner ring to be polished is placed on the three-jaw chuck 200, and according to the condition of the bearing inner ring, the extended clamping or the gathered clamping mode is selected, the clamping jaw 2002 of the three-jaw chuck 200 is synchronously moved, and the bearing inner ring is clamped stably and safely by the gasket 2003 on the inner wall of the clamping jaw 2002 and the gasket 2004 on the outer wall. Then, the operator rotates the rocker 800 on the outer wall of the workbench 100, the rocker 800 drives the threaded rod 700 to rotate, the block body 3001 of the sliding block 300 is screwed with the threaded rod 700, and the block body 3001 slides in the sliding groove of the workbench 100, so as to drive the moving plate 400, the adjusting mechanism 500 and the polishing assembly 600 on the moving plate 400 to move integrally, and the polishing assembly 600 is adjusted to a roughly appropriate position. Then, the motor 5003 of the adjusting mechanism 500 is started, the motor 5003 drives the lead screw 5002 to rotate, because the screw threads on the two sides of the lead screw 5002 are opposite in rotation direction, the two right-angle bent plates 5004 are synchronously moved in opposite directions or in the same direction, and the polishing assembly 600 is precisely adjusted in spacing, so that the polishing layer 6003 of the polishing assembly 600 is matched with the inner diameter of the bearing inner ring. Finally, the bearing inner ring is polished, the triangular blocks 6002 on the two sides of the fixed plate 6001 of the polishing assembly 600 and the polishing layer 6003 on the outer wall of the triangular blocks 6002 are in contact with the bearing inner ring, and the bearing inner ring is efficiently and uniformly polished.
Claims
1. A bearing inner race grinding mechanism characterized by, The utility model provides a workbench, the top of workbench (100) is provided with a sliding slot, the inside of sliding slot is connected with sliding block (300) slidingly, the top of sliding block (300) is equipped with moving plate (400), one side of moving plate (400) is equipped with adjusting mechanism (500), adjusting mechanism (500) includes shell (5001), the outer wall of moving plate (400) is installed shell (5001), the inside of shell (5001) is rotatably connected with lead screw (5002), the both sides of lead screw (5002) are provided with opposite screw threads respectively, lead screw (5002) is screw threaded with right angle bent plate (5004) respectively through opposite screw threads, the both sides of shell (5001) are provided with square hole sliding with two right angle bent plate (5004) respectively, one end of two right angle bent plate (5004) extends to the outside of shell (5001) respectively and is connected with polishing assembly (600), the outer wall of shell (5001) is installed motor (5003), the output of motor (5003) is connected with the one end of lead screw (5002) transmission, one side of workbench (100) is rotatably connected with three jaw chuck (200), three jaw chuck (200) is located on the axis line of the center position of two polishing assembly (600).
2. The bearing inner race grinding mechanism of claim 1, wherein, The three jaw chuck (200) includes a chuck body (2001), and a clamping jaw (2002) is slidably connected to one side of the chuck body (2001).
3. The bearing inner race grinding mechanism of claim 2, wherein, A pad strip (2003) is attached to the inner wall of the clamping jaw (2002), and a gasket (2004) is attached to the outer wall of the clamping jaw (2002).
4. The bearing inner race grinding mechanism of claim 1, wherein, The sliding block (300) includes a block body (3001), and a screw hole (3002) is formed in one side of the block body (3001), and a threaded rod (700) is screwedly connected in the screw hole (3002).
5. The bearing inner race grinding mechanism of claim 4, wherein, The block body (3001) is connected with the bottom end of the moving plate (400) through bolts (3003).
6. The bearing inner race grinding mechanism of claim 5, wherein, The outer wall of the workbench (100) is rotatably connected with a crank handle (800), and one side of the crank handle (800) is connected with one end of the threaded rod (700).
7. The bearing inner race grinding mechanism of claim 1, wherein, The polishing assembly (600) includes a fixed plate (6001), and the side of the right angle bent plate (5004) is connected with the fixed plate (6001), and the two sides of the fixed plate (6001) are respectively installed with triangular blocks (6002), and the outer walls of the two triangular blocks (6002) are respectively provided with polishing layers (6003).