A bearing inner and outer ring synchronous grinding device

Abstract

This utility model relates to the field of bearing processing technology, and in particular to a device for synchronous grinding of the inner and outer rings of a bearing. The technical solution includes: a support mechanism, on which a transverse positioning mechanism and a processing mechanism are provided; the transverse positioning mechanism includes a transverse adjusting cylinder and a positioning slider connected to the output end of the transverse adjusting cylinder; the positioning slider has an outer ring clamping plate for positioning and clamping the outer ring of the bearing and an inner ring clamping plate for positioning and clamping the inner ring of the bearing on both sides; the processing mechanism includes a connecting bracket, on which a first slide rod and a second slide rod are fixed; the bottom of the first slide rod has an outer ring grinding component corresponding to the outer ring clamping plate, and the bottom of the second slide rod has an inner ring grinding component corresponding to the inner ring clamping plate; the outer ring grinding component and the inner ring grinding component are used to grind the outer ring and the inner ring of the bearing, respectively. This utility model solves the problem of insufficient axial overlap caused by clamping interference in traditional grinding.

Description

Technical Field

[0001] This utility model relates to the field of bearing processing technology, specifically to a bearing inner and outer ring synchronous grinding processing device. Background Technology

[0002] As a key component of mechanical transmission, the grinding accuracy of the inner and outer rings of bearings directly affects assembly compatibility and equipment operational reliability. Simultaneous grinding of the inner and outer rings of bearings from the same batch to ensure axial overlap is a crucial requirement for improving bearing quality. In bearing manufacturing, the inner and outer rings must be ground simultaneously to ensure that the axial overlap meets accuracy requirements after assembly.

[0003] However, when using the traditional separate grinding method, the inner ring is clamped and ground separately with its own inner hole as the reference and the outer ring with its own outer circle as the reference. The reference conversion of multiple clamping will produce cumulative errors, resulting in a large deviation in the axial coincidence of the inner and outer rings after assembly in the same batch, which seriously affects the compatibility. At present, most existing synchronous grinding devices achieve synchronous tool feeding through complex linkages or hydraulic mechanisms. During operation, the mechanism that clamps the inner and outer rings of the bearing is prone to spatial interference with the tool feeding mechanism, thereby destroying the stability of the workpiece positioning reference. Ultimately, the axial coincidence of the inner and outer rings after grinding does not meet the accuracy requirements.

[0004] To address these issues, a synchronous grinding device for bearing inner and outer rings is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a bearing inner and outer ring synchronous grinding device, which has the advantage of avoiding interference with the feed mechanism after clamping the bearing inner and outer rings, and solves the problem of insufficient axis overlap caused by clamping interference in traditional grinding.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a bearing inner and outer ring synchronous grinding device, comprising a bearing mechanism, wherein the bearing mechanism is provided with a transverse positioning mechanism and a processing mechanism; the transverse positioning mechanism includes a transverse adjusting cylinder and a positioning slider connected to the output end of the transverse adjusting cylinder, wherein the positioning slider is provided with an outer ring clamping plate for positioning and clamping the outer ring of the bearing and an inner ring clamping plate for positioning and clamping the inner ring of the bearing on both sides; the processing mechanism includes a connecting bracket, wherein a first slide rod and a second slide rod are fixed on the connecting bracket, wherein the bottom of the first slide rod is provided with an outer ring grinding component corresponding to the outer ring clamping plate, and the bottom of the second slide rod is provided with an inner ring grinding component corresponding to the inner ring clamping plate, wherein the outer ring grinding component and the inner ring grinding component are respectively used to grind the outer ring of the bearing and the inner ring of the bearing.

[0007] Preferably, the supporting mechanism includes a base and a top frame fixedly installed behind the upper end face of the base, the lateral positioning mechanism is located on the base, and the processing mechanism is located on the top frame.

[0008] In the design, the lateral positioning mechanism is located on the base and the processing mechanism is located on the top frame, which realizes the spatial partitioning arrangement of the lateral positioning mechanism and the processing mechanism, and has the advantage of avoiding spatial interference between the two during operation.

[0009] Preferably, a control mechanism is installed on the base, which is used to regulate the operating parameters of the lateral positioning mechanism and the processing mechanism; a sliding groove is provided on the base, and a mounting frame is installed in the sliding groove; the lateral adjustment cylinder is fixedly installed on the mounting frame; the positioning slider is slidably disposed in the sliding groove; a fixing frame is installed on the outside of the base, which is used to fix the bearing mechanism in the processing position.

[0010] In the design, the operating parameters of the lateral positioning mechanism and the processing mechanism are adjusted by the control mechanism, thereby achieving control over the synergy of their operation; the lateral adjustment cylinder and slide groove are fixed by the mounting bracket to allow the positioning slider to slide, thereby achieving stable installation and precise lateral movement of the lateral positioning mechanism; the bearing mechanism is fixed to the processing position by the fixing bracket, thereby ensuring the overall processing stability of the device. It has the advantages of good operational synergy, precise lateral positioning and stable overall installation.

[0011] Preferably, the base on both sides of the slide is provided with a reserved slot, which is used for the control lines on the outer ring clamping plate and the inner ring clamping plate to pass through.

[0012] In the design, the reserved slots on the base on both sides of the slide are used for the control lines on the outer and inner ring clamping plates to pass through, which realizes the orderly arrangement of the control lines and has the advantage of avoiding the risk of interference or damage caused by messy lines.

[0013] Preferably, the top surface of the top frame is provided with openings on both sides, and the tops of the first slide rod and the second slide rod pass through the corresponding openings and move along the axial direction of the openings.

[0014] In the design, openings are provided on both sides of the upper end face of the top frame, allowing the tops of the first slide rod and the second slide rod to pass through and move along the axis of the openings, respectively. This achieves precise limiting of the movement trajectory of the first slide rod and the second slide rod, and has the advantage of ensuring the accuracy of the grinding position of the outer ring grinding component and the inner ring grinding component.

[0015] Preferably, the outer ring grinding component includes an outer ring grinding power unit installed at the bottom of the first slide bar, and an outer ring grinding tool is installed at the output end of the outer ring grinding power unit; the inner ring grinding component includes an inner ring grinding power unit installed at the bottom of the second slide bar, and an inner ring grinding tool is installed at the output end of the inner ring grinding power unit.

[0016] In the design, the outer ring grinding power unit and the outer ring grinding tool installed at its output end, and the inner ring grinding power unit and the inner ring grinding tool installed at its output end, realize targeted grinding drive for the outer and inner rings of the bearing, and have the advantage of ensuring the effective operation of grinding operations for the inner and outer rings of the bearing.

[0017] Preferably, the processing mechanism further includes a longitudinal adjusting cylinder fixedly mounted on the top frame, the output end of which passes through the top frame and is connected to the connecting bracket, for driving the connecting bracket to move in the vertical direction.

[0018] In the design, the machining mechanism includes a longitudinally adjusting cylinder fixedly mounted on the top frame. Its output end passes through the top frame and connects to the connecting bracket, driving the connecting bracket to move in the vertical direction. This achieves synchronous longitudinal movement of the first slide rod and the second slide rod, and has the advantage of ensuring synchronous feed of the outer ring grinding component and the inner ring grinding component.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] This utility model sets up a transverse positioning mechanism and a processing mechanism on the bearing mechanism respectively. The outer ring clamping plate and the inner ring clamping plate on both sides of the positioning slider in the transverse positioning mechanism correspond to the outer ring grinding component and the inner ring grinding component of the processing mechanism, respectively. At the same time, the processing mechanism integrates the first slide rod and the second slide rod into one unit through the connecting bracket, so as to achieve the effect of matching the spatial layout of the clamping component of the transverse positioning mechanism and the feed grinding component of the processing mechanism without mutual obstruction or collision.

[0021] During operation, the horizontal adjustment cylinder drives the positioning slider to precisely clamp the outer and inner rings of the bearing using the outer and inner ring clamping plates. The connecting bracket of the processing mechanism drives the first and second slide rods to move synchronously, allowing the outer ring grinding component and the inner ring grinding component to grind the clamped outer and inner rings of the bearing respectively. Throughout the process, there is no spatial interference between the clamping component and the feed grinding component, ensuring that the workpiece positioning reference does not shift, avoiding grinding errors caused by interference, ensuring that the overlap of the bearing inner and outer ring axes meets the accuracy requirements, and improving the adaptability problem of traditional grinding.

[0022] This utility model avoids interference between the inner and outer rings of the bearing and the feed mechanism after clamping by the corresponding layout of the transverse positioning mechanism and the machining mechanism, as well as the structural integration of the machining mechanism, in terms of spatial layout and action coordination. At the same time, it ensures the stability of workpiece positioning during grinding, and finally solves the technical problem of insufficient axial overlap caused by clamping interference in traditional grinding, thereby improving the fitting accuracy of the inner and outer rings of the same batch of bearings. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0024] Figure 2 This is a side sectional view of the present invention.

[0025] Figure 3 This is a schematic diagram of the load-bearing mechanism structure of this utility model;

[0026] Figure 4 This is a schematic diagram of the transverse positioning mechanism of this utility model;

[0027] Figure 5 This is a schematic diagram of the processing mechanism structure of this utility model.

[0028] In the diagram: 1. Bearing mechanism; 11. Base; 111. Mounting bracket; 112. Reserved slot; 113. Fixing bracket; 114. Slide groove; 12. Top frame; 2. Control mechanism; 3. Lateral positioning mechanism; 31. Lateral adjusting cylinder; 32. Positioning slider; 33. Outer ring clamping plate; 34. Inner ring clamping plate; 4. Machining mechanism; 41. Connecting bracket; 42. First slide rod; 43. Second slide rod; 44. Outer ring grinding power unit; 441. Outer ring grinding tool; 45. Inner ring grinding power unit; 451. Inner ring grinding tool; 46. Longitudinal adjusting cylinder. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] like Figures 1 to 5 As shown, one embodiment of this utility model is a bearing inner and outer ring synchronous grinding processing device, which includes a bearing mechanism 1, a transverse positioning mechanism 3 installed on the bearing mechanism 1, and a processing mechanism 4.

[0031] The supporting mechanism 1 includes a base 11 and a top frame 12. The base 11 is used for positioning and installing the transverse positioning mechanism 3. A control mechanism 2 is installed on the base 11. The control mechanism 2 is electrically connected to the transverse adjusting cylinder 31, the outer ring grinding power unit 44, the inner ring grinding power unit 45, and the longitudinal adjusting cylinder 46 through wires. It is used to regulate the extension and retraction stroke of the transverse adjusting cylinder 31, the rotation speed of the inner and outer ring grinding power units, and the feed speed of the longitudinal adjusting cylinder 46.

[0032] The base 11 has a groove 114. The width of the groove 114 is adapted to the width of the positioning slider 32. A mounting bracket 111 is installed in the groove 114. The mounting bracket 111 is fixed to the bottom of the groove 114 by screws. The screws are evenly distributed to ensure that the transverse adjustment cylinder 31 does not loosen when it is working.

[0033] The base 11 on both sides of the slide 114 is provided with a reserved slot 112. The reserved slot 112 is used for the pneumatic pipelines and signal cables on the outer ring clamping plate 33 and the inner ring clamping plate 34 to pass through, so as to avoid the lines being exposed, tangled or damaged by squeezing.

[0034] A fixing frame 113 is installed on the outside of the base 11. The fixing frame 113 is detachably connected to the processing table by bolts, which is used to stably fix the bearing mechanism 1 in the processing position and prevent the base 11 from shifting due to vibration generated during grinding.

[0035] The top frame 12 is fixedly installed on the rear of the upper end face of the base 11 by welding. The top frame 12 is used to provide installation support for the processing mechanism 4. Openings are provided on both sides of the upper end face of the top frame 12. The inner diameter of the opening is matched with the outer diameter gap of the first slide rod 42 and the second slide rod 43 to achieve precise guidance. The inner wall of the opening is provided with a wear-resistant coating to reduce wear when the slide rod moves and extend the service life of the component.

[0036] The lateral positioning mechanism 3 includes a lateral adjustment cylinder 31, which is fixedly installed in the slide groove 114 by a mounting bracket 111. The mounting bracket 111 is provided with positioning holes that are compatible with the cylinder body of the lateral adjustment cylinder 31, so as to ensure that the cylinder axis is parallel to the length direction of the slide groove 114 and avoid the cylinder from generating an off-center load when it is working.

[0037] The output end of the lateral adjustment cylinder 31 passes through the mounting bracket 111 and is connected to the positioning slider 32 through a floating joint. The floating joint can compensate for installation errors and prevent the piston rod of the lateral adjustment cylinder 31 from being deformed due to installation deviation.

[0038] The positioning slider 32 is slidably installed in the slide groove 114. The outer wall of the positioning slider 32 is matched with the inner wall of the slide groove 114 to ensure that the sliding process is smooth and the displacement is accurate.

[0039] The positioning slider 32 is bolted to an outer ring clamping plate 33 and an inner ring clamping plate 34 on both sides. The clamping surface of the outer ring clamping plate 33 is provided with an anti-slip pad to prevent damage to the outer ring surface of the bearing during clamping and to enhance clamping stability. The clamping surface of the inner ring clamping plate 34 is provided with a positioning boss. The positioning boss is adapted to the inner diameter of the bearing inner ring to achieve precise centering of the inner ring. The outer ring clamping plate 33 and the inner ring clamping plate 34 are used to stably position and clamp the outer ring and the inner ring of the bearing, respectively, and can be connected to an external control device or to the control mechanism 2.

[0040] The machining mechanism 4 includes a connecting bracket 41 and a longitudinal adjusting cylinder 46. The connecting bracket 41 is a metal frame structure with sufficient rigidity to avoid deformation under force. The two ends of the connecting bracket 41 are respectively fixedly installed with a first slide rod 42 and a second slide rod 43 through a positioning structure to ensure that the first slide rod 42 and the second slide rod 43 are both perpendicular to the connecting bracket 41, thereby ensuring the positional accuracy during subsequent grinding.

[0041] The first slide rod 42 has an outer ring grinding power unit 44 fixedly mounted at its bottom via a flange. The outer ring grinding power unit 44 is a drive component that can provide a stable rotation speed. The output end of the outer ring grinding power unit 44 is connected to the outer ring grinding tool 441 via a flexible coupling. The flexible coupling can absorb the vibration generated during the grinding process and ensure that the outer ring grinding tool 441 rotates smoothly. The outer ring grinding tool 441 is a special-shaped ball head grinding tool adapted for grinding the inner diameter of the outer ring of a bearing.

[0042] The bottom of the second slide rod 43 is equipped with an inner ring grinding power unit 45 through the same mounting structure as the first slide rod 42. The inner ring grinding power unit 45 and the outer ring grinding power unit 44 are of the same model to ensure synchronization. The output end of the inner ring grinding power unit 45 is equipped with an inner ring grinding tool 451 through a flexible coupling. The inner ring grinding tool 451 is a special-shaped ball head grinding tool adapted to the grinding of the outer diameter of the inner ring of the bearing.

[0043] The grinding heads of the outer ring grinding tool 441 and the inner ring grinding tool 451 have the same position and size, and they rotate around the center of the outer ring and the center of the inner ring of the bearing, respectively.

[0044] The tops of the first slide bar 42 and the second slide bar 43 pass through the openings on both sides of the upper end face of the top frame 12, and can move smoothly along the axial direction of the openings; the longitudinal adjustment cylinder 46 is fixedly installed at the middle position of the top of the top frame 12 by bolts, the output end of the longitudinal adjustment cylinder 46 passes through the top frame 12 and is fixed to the middle of the upper end face of the connecting bracket 41; the longitudinal adjustment cylinder 46 is used to drive the connecting bracket 41 to move in the vertical direction, thereby synchronously adjusting the longitudinal position of the outer ring grinding tool 441 and the inner ring grinding tool 451, so as to realize the synchronous feed grinding of the inner and outer rings of the bearing.

[0045] Working principle and usage process of this utility model:

[0046] Before use, the base 11 is fixed on the processing table by the fixing frame 113, the control lines of the outer ring clamping plate 33 and the inner ring clamping plate 34 are passed through the reserved slot 112, and the lines are connected to the control mechanism 2 to complete the preliminary preparation of the device.

[0047] During processing, the operator sets the operating parameters of each component through the control mechanism 2 to ensure that the parameters are compatible with the specifications of the bearing to be processed; then the outer ring of the bearing is placed on the outer ring clamping plate 33 and the inner ring of the bearing is placed on the inner ring clamping plate 34. The control mechanism 2 controls the clamping components of the outer ring clamping plate 33 and the inner ring clamping plate 34 to achieve stable clamping of the inner and outer rings of the bearing.

[0048] Next, the control mechanism 2 starts the outer ring grinding power unit 44 and the inner ring grinding power unit 45, driving the outer ring grinding tool 441 and the inner ring grinding tool 451 to rotate at high speed; at the same time, the piston rod of the longitudinal adjustment cylinder 46 extends, pushing the connecting bracket 41 to move downward in the vertical direction, and the first slide rod 42 and the second slide rod 43 move down synchronously along the opening of the top frame 12. At this time, the outer ring grinding tool 441 and the inner ring grinding tool 451 are located on the inner side of the outer ring of the bearing and the outer side of the inner ring of the bearing, respectively, and the machining positions of the inner and outer rings of the bearing are on the same plane as the spherical grinding heads of the outer ring grinding tool 441 and the inner ring grinding tool 451 but do not contact each other;

[0049] Then, the piston rod of the horizontal adjustment cylinder 31 is extended, driving the positioning slider 32 to slide along the slide groove 114, transporting the inner and outer rings of the bearing to the grinding station. At this time, the outer ring grinding tool 441 is facing the outer ring to be ground, and the inner ring grinding tool 451 is facing the inner ring to be ground, so that the outer ring grinding tool 441 and the inner ring grinding tool 451 are in contact with the outer ring and inner ring of the bearing respectively, and perform synchronous grinding.

[0050] During the grinding process, the control mechanism 2 receives the operation feedback signals of each component in real time through the wires, such as the displacement sensor signal of the transverse adjustment cylinder 31 and the pressure sensor signal of the longitudinal adjustment cylinder 46. If abnormal grinding force or displacement deviation is detected, the operating parameters of the corresponding component are immediately adjusted to ensure that the grinding accuracy meets the requirements.

[0051] After grinding is completed, the transverse adjusting cylinder 31 drives the positioning slider 32 to retract to the initial position, the longitudinal adjusting cylinder 46 drives the connecting bracket 41 to move upward and reset, the outer ring grinding power unit 44 and the inner ring grinding power unit 45 stop working, the outer ring clamping plate 33 and the inner ring clamping plate 34 are released, and the operator removes the processed bearing inner and outer rings, completing a single processing cycle.

[0052] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A bearing inner and outer ring synchronous grinding device, comprising a bearing support mechanism (1), characterized in that: The bearing mechanism (1) is provided with a transverse positioning mechanism (3) and a processing mechanism (4); the transverse positioning mechanism (3) includes a transverse adjusting cylinder (31) and a positioning slider (32) connected to the output end of the transverse adjusting cylinder (31). The positioning slider (32) is provided with an outer ring clamping plate (33) for positioning and clamping the outer ring of the bearing and an inner ring clamping plate (34) for positioning and clamping the inner ring of the bearing on both sides respectively; the processing mechanism (4) includes a connecting bracket (41). A first slide rod (42) and a second slide rod (43) are fixed on the connecting bracket (41). The bottom of the first slide rod (42) is provided with an outer ring grinding component corresponding to the outer ring clamping plate (33). The bottom of the second slide rod (43) is provided with an inner ring grinding component corresponding to the inner ring clamping plate (34). The outer ring grinding component and the inner ring grinding component are respectively used to grind the outer ring of the bearing and the inner ring of the bearing.

2. The bearing inner and outer ring synchronous grinding apparatus according to claim 1, characterized in that, The supporting mechanism (1) includes a base (11) and a top frame (12) fixedly installed on the rear of the upper end face of the base (11). The transverse positioning mechanism (3) is located on the base (11), and the processing mechanism (4) is located on the top frame (12).

3. The bearing inner and outer ring synchronous grinding device according to claim 2, characterized in that, A control mechanism (2) is installed on the base (11), which is used to regulate the operating parameters of the transverse positioning mechanism (3) and the processing mechanism (4). A slide groove (114) is provided on the base (11), and a mounting frame (111) is installed in the slide groove (114). The transverse adjusting cylinder (31) is fixedly installed on the mounting frame (111), and the positioning slider (32) is slidably disposed in the slide groove (114). A fixing frame (113) is installed on the outside of the base (11), and the fixing frame (113) is used to fix the bearing mechanism (1) in the processing position.

4. The bearing inner and outer ring synchronous grinding apparatus according to claim 3, characterized in that, The base (11) on both sides of the slide (114) is provided with a reserved slot (112), which is used for the control lines on the outer ring clamping plate (33) and the inner ring clamping plate (34) to pass through.

5. The bearing inner and outer ring synchronous grinding apparatus according to claim 2, characterized in that, The top of the top frame (12) is provided with openings on both sides of the upper end face. The tops of the first slide rod (42) and the second slide rod (43) pass through the corresponding openings and move along the axial direction of the openings.

6. The bearing inner and outer ring synchronous grinding apparatus according to claim 1, characterized in that, The outer ring grinding component includes an outer ring grinding power unit (44) installed at the bottom of the first slide bar (42), and an outer ring grinding tool (441) is installed at the output end of the outer ring grinding power unit (44); the inner ring grinding component includes an inner ring grinding power unit (45) installed at the bottom of the second slide bar (43), and an inner ring grinding tool (451) is installed at the output end of the inner ring grinding power unit (45).

7. The bearing inner and outer ring synchronous grinding apparatus according to claim 1, characterized in that, The processing mechanism (4) also includes a longitudinal adjustment cylinder (46) fixedly installed on the top frame (12). The output end of the longitudinal adjustment cylinder (46) passes through the top frame (12) and is connected to the connecting bracket (41) to drive the connecting bracket (41) to move in the vertical direction.

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